forked from OSchip/llvm-project
4458 lines
145 KiB
LLVM
4458 lines
145 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=-bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=X86,X86-NOBMI
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; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=X86,X86-BMI1
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; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,+tbm,-bmi2 < %s | FileCheck %s --check-prefixes=X86,X86-BMI1
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; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,+tbm,+bmi2 < %s | FileCheck %s --check-prefixes=X86,X86-BMI2
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; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,-tbm,+bmi2 < %s | FileCheck %s --check-prefixes=X86,X86-BMI2
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=-bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=X64,X64-NOBMI
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=X64,X64-BMI1,X64-BMI1NOTBM
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,+tbm,-bmi2 < %s | FileCheck %s --check-prefixes=X64,X64-BMI1,X64-BMI1TBM
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,+tbm,+bmi2 < %s | FileCheck %s --check-prefixes=X64,X64-BMI2,X64-BMI2TBM
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,-tbm,+bmi2 < %s | FileCheck %s --check-prefixes=X64,X64-BMI2,X64-BMI2NOTBM
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; *Please* keep in sync with test/CodeGen/AArch64/extract-lowbits.ll
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; https://bugs.llvm.org/show_bug.cgi?id=36419
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; https://bugs.llvm.org/show_bug.cgi?id=37603
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; https://bugs.llvm.org/show_bug.cgi?id=37610
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; Patterns:
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; a) x & (1 << nbits) - 1
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; b) x & ~(-1 << nbits)
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; c) x & (-1 >> (32 - y))
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; d) x << (32 - y) >> (32 - y)
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; are equivalent.
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; ---------------------------------------------------------------------------- ;
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; Pattern a. 32-bit
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; ---------------------------------------------------------------------------- ;
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define i32 @bzhi32_a0(i32 %val, i32 %numlowbits) nounwind {
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; X86-NOBMI-LABEL: bzhi32_a0:
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; X86-NOBMI: # %bb.0:
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; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NOBMI-NEXT: movl $1, %eax
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; X86-NOBMI-NEXT: shll %cl, %eax
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; X86-NOBMI-NEXT: decl %eax
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; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
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; X86-NOBMI-NEXT: retl
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;
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; X86-BMI1-LABEL: bzhi32_a0:
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; X86-BMI1: # %bb.0:
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; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
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; X86-BMI1-NEXT: shll $8, %eax
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; X86-BMI1-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax
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; X86-BMI1-NEXT: retl
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;
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; X86-BMI2-LABEL: bzhi32_a0:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
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; X86-BMI2-NEXT: bzhil %eax, {{[0-9]+}}(%esp), %eax
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; X86-BMI2-NEXT: retl
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;
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; X64-NOBMI-LABEL: bzhi32_a0:
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; X64-NOBMI: # %bb.0:
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; X64-NOBMI-NEXT: movl %esi, %ecx
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; X64-NOBMI-NEXT: movl $1, %eax
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; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-NOBMI-NEXT: shll %cl, %eax
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; X64-NOBMI-NEXT: decl %eax
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; X64-NOBMI-NEXT: andl %edi, %eax
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; X64-NOBMI-NEXT: retq
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;
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; X64-BMI1-LABEL: bzhi32_a0:
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; X64-BMI1: # %bb.0:
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; X64-BMI1-NEXT: shll $8, %esi
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; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
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; X64-BMI1-NEXT: retq
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;
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; X64-BMI2-LABEL: bzhi32_a0:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
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; X64-BMI2-NEXT: retq
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%onebit = shl i32 1, %numlowbits
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%mask = add nsw i32 %onebit, -1
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%masked = and i32 %mask, %val
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ret i32 %masked
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}
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define i32 @bzhi32_a1_indexzext(i32 %val, i8 zeroext %numlowbits) nounwind {
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; X86-NOBMI-LABEL: bzhi32_a1_indexzext:
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; X86-NOBMI: # %bb.0:
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; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NOBMI-NEXT: movl $1, %eax
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; X86-NOBMI-NEXT: shll %cl, %eax
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; X86-NOBMI-NEXT: decl %eax
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; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
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; X86-NOBMI-NEXT: retl
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;
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; X86-BMI1-LABEL: bzhi32_a1_indexzext:
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; X86-BMI1: # %bb.0:
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; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
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; X86-BMI1-NEXT: shll $8, %eax
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; X86-BMI1-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax
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; X86-BMI1-NEXT: retl
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;
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; X86-BMI2-LABEL: bzhi32_a1_indexzext:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
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; X86-BMI2-NEXT: bzhil %eax, {{[0-9]+}}(%esp), %eax
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; X86-BMI2-NEXT: retl
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;
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; X64-NOBMI-LABEL: bzhi32_a1_indexzext:
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; X64-NOBMI: # %bb.0:
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; X64-NOBMI-NEXT: movl %esi, %ecx
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; X64-NOBMI-NEXT: movl $1, %eax
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; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-NOBMI-NEXT: shll %cl, %eax
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; X64-NOBMI-NEXT: decl %eax
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; X64-NOBMI-NEXT: andl %edi, %eax
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; X64-NOBMI-NEXT: retq
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;
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; X64-BMI1-LABEL: bzhi32_a1_indexzext:
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; X64-BMI1: # %bb.0:
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; X64-BMI1-NEXT: shll $8, %esi
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; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
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; X64-BMI1-NEXT: retq
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;
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; X64-BMI2-LABEL: bzhi32_a1_indexzext:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
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; X64-BMI2-NEXT: retq
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%conv = zext i8 %numlowbits to i32
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%onebit = shl i32 1, %conv
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%mask = add nsw i32 %onebit, -1
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%masked = and i32 %mask, %val
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ret i32 %masked
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}
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define i32 @bzhi32_a2_load(i32* %w, i32 %numlowbits) nounwind {
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; X86-NOBMI-LABEL: bzhi32_a2_load:
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; X86-NOBMI: # %bb.0:
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; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NOBMI-NEXT: movl $1, %eax
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; X86-NOBMI-NEXT: shll %cl, %eax
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; X86-NOBMI-NEXT: decl %eax
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; X86-NOBMI-NEXT: andl (%edx), %eax
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; X86-NOBMI-NEXT: retl
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;
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; X86-BMI1-LABEL: bzhi32_a2_load:
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; X86-BMI1: # %bb.0:
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; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-BMI1-NEXT: shll $8, %ecx
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; X86-BMI1-NEXT: bextrl %ecx, (%eax), %eax
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; X86-BMI1-NEXT: retl
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;
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; X86-BMI2-LABEL: bzhi32_a2_load:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-BMI2-NEXT: bzhil %ecx, (%eax), %eax
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; X86-BMI2-NEXT: retl
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;
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; X64-NOBMI-LABEL: bzhi32_a2_load:
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; X64-NOBMI: # %bb.0:
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; X64-NOBMI-NEXT: movl %esi, %ecx
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; X64-NOBMI-NEXT: movl $1, %eax
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; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-NOBMI-NEXT: shll %cl, %eax
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; X64-NOBMI-NEXT: decl %eax
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; X64-NOBMI-NEXT: andl (%rdi), %eax
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; X64-NOBMI-NEXT: retq
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;
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; X64-BMI1-LABEL: bzhi32_a2_load:
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; X64-BMI1: # %bb.0:
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; X64-BMI1-NEXT: shll $8, %esi
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; X64-BMI1-NEXT: bextrl %esi, (%rdi), %eax
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; X64-BMI1-NEXT: retq
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;
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; X64-BMI2-LABEL: bzhi32_a2_load:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: bzhil %esi, (%rdi), %eax
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; X64-BMI2-NEXT: retq
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%val = load i32, i32* %w
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%onebit = shl i32 1, %numlowbits
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%mask = add nsw i32 %onebit, -1
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%masked = and i32 %mask, %val
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ret i32 %masked
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}
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define i32 @bzhi32_a3_load_indexzext(i32* %w, i8 zeroext %numlowbits) nounwind {
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; X86-NOBMI-LABEL: bzhi32_a3_load_indexzext:
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; X86-NOBMI: # %bb.0:
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; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NOBMI-NEXT: movl $1, %eax
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; X86-NOBMI-NEXT: shll %cl, %eax
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; X86-NOBMI-NEXT: decl %eax
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; X86-NOBMI-NEXT: andl (%edx), %eax
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; X86-NOBMI-NEXT: retl
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;
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; X86-BMI1-LABEL: bzhi32_a3_load_indexzext:
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; X86-BMI1: # %bb.0:
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; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-BMI1-NEXT: shll $8, %ecx
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; X86-BMI1-NEXT: bextrl %ecx, (%eax), %eax
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; X86-BMI1-NEXT: retl
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;
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; X86-BMI2-LABEL: bzhi32_a3_load_indexzext:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-BMI2-NEXT: bzhil %ecx, (%eax), %eax
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; X86-BMI2-NEXT: retl
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;
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; X64-NOBMI-LABEL: bzhi32_a3_load_indexzext:
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; X64-NOBMI: # %bb.0:
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; X64-NOBMI-NEXT: movl %esi, %ecx
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; X64-NOBMI-NEXT: movl $1, %eax
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; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-NOBMI-NEXT: shll %cl, %eax
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; X64-NOBMI-NEXT: decl %eax
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; X64-NOBMI-NEXT: andl (%rdi), %eax
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; X64-NOBMI-NEXT: retq
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;
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; X64-BMI1-LABEL: bzhi32_a3_load_indexzext:
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; X64-BMI1: # %bb.0:
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; X64-BMI1-NEXT: shll $8, %esi
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; X64-BMI1-NEXT: bextrl %esi, (%rdi), %eax
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; X64-BMI1-NEXT: retq
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;
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; X64-BMI2-LABEL: bzhi32_a3_load_indexzext:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: bzhil %esi, (%rdi), %eax
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; X64-BMI2-NEXT: retq
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%val = load i32, i32* %w
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%conv = zext i8 %numlowbits to i32
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%onebit = shl i32 1, %conv
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%mask = add nsw i32 %onebit, -1
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%masked = and i32 %mask, %val
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ret i32 %masked
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}
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define i32 @bzhi32_a4_commutative(i32 %val, i32 %numlowbits) nounwind {
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; X86-NOBMI-LABEL: bzhi32_a4_commutative:
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; X86-NOBMI: # %bb.0:
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; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NOBMI-NEXT: movl $1, %eax
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; X86-NOBMI-NEXT: shll %cl, %eax
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; X86-NOBMI-NEXT: decl %eax
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; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
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; X86-NOBMI-NEXT: retl
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;
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; X86-BMI1-LABEL: bzhi32_a4_commutative:
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; X86-BMI1: # %bb.0:
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; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
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; X86-BMI1-NEXT: shll $8, %eax
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; X86-BMI1-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax
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; X86-BMI1-NEXT: retl
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;
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; X86-BMI2-LABEL: bzhi32_a4_commutative:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
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; X86-BMI2-NEXT: bzhil %eax, {{[0-9]+}}(%esp), %eax
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; X86-BMI2-NEXT: retl
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;
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; X64-NOBMI-LABEL: bzhi32_a4_commutative:
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; X64-NOBMI: # %bb.0:
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; X64-NOBMI-NEXT: movl %esi, %ecx
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; X64-NOBMI-NEXT: movl $1, %eax
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; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
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; X64-NOBMI-NEXT: shll %cl, %eax
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; X64-NOBMI-NEXT: decl %eax
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; X64-NOBMI-NEXT: andl %edi, %eax
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; X64-NOBMI-NEXT: retq
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;
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; X64-BMI1-LABEL: bzhi32_a4_commutative:
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; X64-BMI1: # %bb.0:
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; X64-BMI1-NEXT: shll $8, %esi
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; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
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; X64-BMI1-NEXT: retq
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;
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; X64-BMI2-LABEL: bzhi32_a4_commutative:
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; X64-BMI2: # %bb.0:
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; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
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; X64-BMI2-NEXT: retq
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%onebit = shl i32 1, %numlowbits
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%mask = add nsw i32 %onebit, -1
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%masked = and i32 %val, %mask ; swapped order
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ret i32 %masked
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}
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; 64-bit
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define i64 @bzhi64_a0(i64 %val, i64 %numlowbits) nounwind {
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; X86-NOBMI-LABEL: bzhi64_a0:
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; X86-NOBMI: # %bb.0:
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; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-NOBMI-NEXT: movl $1, %eax
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; X86-NOBMI-NEXT: xorl %edx, %edx
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; X86-NOBMI-NEXT: shldl %cl, %eax, %edx
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; X86-NOBMI-NEXT: shll %cl, %eax
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; X86-NOBMI-NEXT: testb $32, %cl
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; X86-NOBMI-NEXT: je .LBB5_2
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; X86-NOBMI-NEXT: # %bb.1:
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; X86-NOBMI-NEXT: movl %eax, %edx
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; X86-NOBMI-NEXT: xorl %eax, %eax
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; X86-NOBMI-NEXT: .LBB5_2:
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; X86-NOBMI-NEXT: addl $-1, %eax
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; X86-NOBMI-NEXT: adcl $-1, %edx
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; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %edx
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; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
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; X86-NOBMI-NEXT: retl
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;
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; X86-BMI1-LABEL: bzhi64_a0:
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; X86-BMI1: # %bb.0:
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; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-BMI1-NEXT: movl $1, %eax
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; X86-BMI1-NEXT: xorl %edx, %edx
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; X86-BMI1-NEXT: shldl %cl, %eax, %edx
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; X86-BMI1-NEXT: shll %cl, %eax
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; X86-BMI1-NEXT: testb $32, %cl
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; X86-BMI1-NEXT: je .LBB5_2
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; X86-BMI1-NEXT: # %bb.1:
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; X86-BMI1-NEXT: movl %eax, %edx
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; X86-BMI1-NEXT: xorl %eax, %eax
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; X86-BMI1-NEXT: .LBB5_2:
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; X86-BMI1-NEXT: addl $-1, %eax
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; X86-BMI1-NEXT: adcl $-1, %edx
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; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %edx
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; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %eax
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; X86-BMI1-NEXT: retl
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;
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; X86-BMI2-LABEL: bzhi64_a0:
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; X86-BMI2: # %bb.0:
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; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X86-BMI2-NEXT: movl $1, %eax
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; X86-BMI2-NEXT: xorl %edx, %edx
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; X86-BMI2-NEXT: shldl %cl, %eax, %edx
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; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
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; X86-BMI2-NEXT: testb $32, %cl
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; X86-BMI2-NEXT: je .LBB5_2
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; X86-BMI2-NEXT: # %bb.1:
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; X86-BMI2-NEXT: movl %eax, %edx
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; X86-BMI2-NEXT: xorl %eax, %eax
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; X86-BMI2-NEXT: .LBB5_2:
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; X86-BMI2-NEXT: addl $-1, %eax
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; X86-BMI2-NEXT: adcl $-1, %edx
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; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_a0:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: movl $1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: decq %rax
|
|
; X64-NOBMI-NEXT: andq %rdi, %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_a0:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrq %rsi, %rdi, %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_a0:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhiq %rsi, %rdi, %rax
|
|
; X64-BMI2-NEXT: retq
|
|
%onebit = shl i64 1, %numlowbits
|
|
%mask = add nsw i64 %onebit, -1
|
|
%masked = and i64 %mask, %val
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_a1_indexzext(i64 %val, i8 zeroext %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_a1_indexzext:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $1, %eax
|
|
; X86-NOBMI-NEXT: xorl %edx, %edx
|
|
; X86-NOBMI-NEXT: shldl %cl, %eax, %edx
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: je .LBB6_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %eax, %edx
|
|
; X86-NOBMI-NEXT: xorl %eax, %eax
|
|
; X86-NOBMI-NEXT: .LBB6_2:
|
|
; X86-NOBMI-NEXT: addl $-1, %eax
|
|
; X86-NOBMI-NEXT: adcl $-1, %edx
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_a1_indexzext:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $1, %eax
|
|
; X86-BMI1-NEXT: xorl %edx, %edx
|
|
; X86-BMI1-NEXT: shldl %cl, %eax, %edx
|
|
; X86-BMI1-NEXT: shll %cl, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: je .LBB6_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %eax, %edx
|
|
; X86-BMI1-NEXT: xorl %eax, %eax
|
|
; X86-BMI1-NEXT: .LBB6_2:
|
|
; X86-BMI1-NEXT: addl $-1, %eax
|
|
; X86-BMI1-NEXT: adcl $-1, %edx
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_a1_indexzext:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: movl $1, %eax
|
|
; X86-BMI2-NEXT: xorl %edx, %edx
|
|
; X86-BMI2-NEXT: shldl %cl, %eax, %edx
|
|
; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: je .LBB6_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %eax, %edx
|
|
; X86-BMI2-NEXT: xorl %eax, %eax
|
|
; X86-BMI2-NEXT: .LBB6_2:
|
|
; X86-BMI2-NEXT: addl $-1, %eax
|
|
; X86-BMI2-NEXT: adcl $-1, %edx
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_a1_indexzext:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl $1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: decq %rax
|
|
; X64-NOBMI-NEXT: andq %rdi, %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_a1_indexzext:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrq %rsi, %rdi, %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_a1_indexzext:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-BMI2-NEXT: bzhiq %rsi, %rdi, %rax
|
|
; X64-BMI2-NEXT: retq
|
|
%conv = zext i8 %numlowbits to i64
|
|
%onebit = shl i64 1, %conv
|
|
%mask = add nsw i64 %onebit, -1
|
|
%masked = and i64 %mask, %val
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_a2_load(i64* %w, i64 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_a2_load:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $1, %eax
|
|
; X86-NOBMI-NEXT: xorl %edx, %edx
|
|
; X86-NOBMI-NEXT: shldl %cl, %eax, %edx
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: je .LBB7_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %eax, %edx
|
|
; X86-NOBMI-NEXT: xorl %eax, %eax
|
|
; X86-NOBMI-NEXT: .LBB7_2:
|
|
; X86-NOBMI-NEXT: addl $-1, %eax
|
|
; X86-NOBMI-NEXT: adcl $-1, %edx
|
|
; X86-NOBMI-NEXT: andl 4(%esi), %edx
|
|
; X86-NOBMI-NEXT: andl (%esi), %eax
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_a2_load:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $1, %eax
|
|
; X86-BMI1-NEXT: xorl %edx, %edx
|
|
; X86-BMI1-NEXT: shldl %cl, %eax, %edx
|
|
; X86-BMI1-NEXT: shll %cl, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: je .LBB7_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %eax, %edx
|
|
; X86-BMI1-NEXT: xorl %eax, %eax
|
|
; X86-BMI1-NEXT: .LBB7_2:
|
|
; X86-BMI1-NEXT: addl $-1, %eax
|
|
; X86-BMI1-NEXT: adcl $-1, %edx
|
|
; X86-BMI1-NEXT: andl 4(%esi), %edx
|
|
; X86-BMI1-NEXT: andl (%esi), %eax
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_a2_load:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: movl $1, %eax
|
|
; X86-BMI2-NEXT: xorl %edx, %edx
|
|
; X86-BMI2-NEXT: shldl %cl, %eax, %edx
|
|
; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: je .LBB7_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %eax, %edx
|
|
; X86-BMI2-NEXT: xorl %eax, %eax
|
|
; X86-BMI2-NEXT: .LBB7_2:
|
|
; X86-BMI2-NEXT: addl $-1, %eax
|
|
; X86-BMI2-NEXT: adcl $-1, %edx
|
|
; X86-BMI2-NEXT: andl 4(%esi), %edx
|
|
; X86-BMI2-NEXT: andl (%esi), %eax
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_a2_load:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: movl $1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: decq %rax
|
|
; X64-NOBMI-NEXT: andq (%rdi), %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_a2_load:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrq %rsi, (%rdi), %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_a2_load:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhiq %rsi, (%rdi), %rax
|
|
; X64-BMI2-NEXT: retq
|
|
%val = load i64, i64* %w
|
|
%onebit = shl i64 1, %numlowbits
|
|
%mask = add nsw i64 %onebit, -1
|
|
%masked = and i64 %mask, %val
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_a3_load_indexzext(i64* %w, i8 zeroext %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_a3_load_indexzext:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $1, %eax
|
|
; X86-NOBMI-NEXT: xorl %edx, %edx
|
|
; X86-NOBMI-NEXT: shldl %cl, %eax, %edx
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: je .LBB8_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %eax, %edx
|
|
; X86-NOBMI-NEXT: xorl %eax, %eax
|
|
; X86-NOBMI-NEXT: .LBB8_2:
|
|
; X86-NOBMI-NEXT: addl $-1, %eax
|
|
; X86-NOBMI-NEXT: adcl $-1, %edx
|
|
; X86-NOBMI-NEXT: andl 4(%esi), %edx
|
|
; X86-NOBMI-NEXT: andl (%esi), %eax
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_a3_load_indexzext:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $1, %eax
|
|
; X86-BMI1-NEXT: xorl %edx, %edx
|
|
; X86-BMI1-NEXT: shldl %cl, %eax, %edx
|
|
; X86-BMI1-NEXT: shll %cl, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: je .LBB8_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %eax, %edx
|
|
; X86-BMI1-NEXT: xorl %eax, %eax
|
|
; X86-BMI1-NEXT: .LBB8_2:
|
|
; X86-BMI1-NEXT: addl $-1, %eax
|
|
; X86-BMI1-NEXT: adcl $-1, %edx
|
|
; X86-BMI1-NEXT: andl 4(%esi), %edx
|
|
; X86-BMI1-NEXT: andl (%esi), %eax
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_a3_load_indexzext:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: movl $1, %eax
|
|
; X86-BMI2-NEXT: xorl %edx, %edx
|
|
; X86-BMI2-NEXT: shldl %cl, %eax, %edx
|
|
; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: je .LBB8_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %eax, %edx
|
|
; X86-BMI2-NEXT: xorl %eax, %eax
|
|
; X86-BMI2-NEXT: .LBB8_2:
|
|
; X86-BMI2-NEXT: addl $-1, %eax
|
|
; X86-BMI2-NEXT: adcl $-1, %edx
|
|
; X86-BMI2-NEXT: andl 4(%esi), %edx
|
|
; X86-BMI2-NEXT: andl (%esi), %eax
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_a3_load_indexzext:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl $1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: decq %rax
|
|
; X64-NOBMI-NEXT: andq (%rdi), %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_a3_load_indexzext:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrq %rsi, (%rdi), %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_a3_load_indexzext:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-BMI2-NEXT: bzhiq %rsi, (%rdi), %rax
|
|
; X64-BMI2-NEXT: retq
|
|
%val = load i64, i64* %w
|
|
%conv = zext i8 %numlowbits to i64
|
|
%onebit = shl i64 1, %conv
|
|
%mask = add nsw i64 %onebit, -1
|
|
%masked = and i64 %mask, %val
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_a4_commutative(i64 %val, i64 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_a4_commutative:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $1, %eax
|
|
; X86-NOBMI-NEXT: xorl %edx, %edx
|
|
; X86-NOBMI-NEXT: shldl %cl, %eax, %edx
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: je .LBB9_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %eax, %edx
|
|
; X86-NOBMI-NEXT: xorl %eax, %eax
|
|
; X86-NOBMI-NEXT: .LBB9_2:
|
|
; X86-NOBMI-NEXT: addl $-1, %eax
|
|
; X86-NOBMI-NEXT: adcl $-1, %edx
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_a4_commutative:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $1, %eax
|
|
; X86-BMI1-NEXT: xorl %edx, %edx
|
|
; X86-BMI1-NEXT: shldl %cl, %eax, %edx
|
|
; X86-BMI1-NEXT: shll %cl, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: je .LBB9_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %eax, %edx
|
|
; X86-BMI1-NEXT: xorl %eax, %eax
|
|
; X86-BMI1-NEXT: .LBB9_2:
|
|
; X86-BMI1-NEXT: addl $-1, %eax
|
|
; X86-BMI1-NEXT: adcl $-1, %edx
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_a4_commutative:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: movl $1, %eax
|
|
; X86-BMI2-NEXT: xorl %edx, %edx
|
|
; X86-BMI2-NEXT: shldl %cl, %eax, %edx
|
|
; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: je .LBB9_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %eax, %edx
|
|
; X86-BMI2-NEXT: xorl %eax, %eax
|
|
; X86-BMI2-NEXT: .LBB9_2:
|
|
; X86-BMI2-NEXT: addl $-1, %eax
|
|
; X86-BMI2-NEXT: adcl $-1, %edx
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_a4_commutative:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: movl $1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: decq %rax
|
|
; X64-NOBMI-NEXT: andq %rdi, %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_a4_commutative:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrq %rsi, %rdi, %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_a4_commutative:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhiq %rsi, %rdi, %rax
|
|
; X64-BMI2-NEXT: retq
|
|
%onebit = shl i64 1, %numlowbits
|
|
%mask = add nsw i64 %onebit, -1
|
|
%masked = and i64 %val, %mask ; swapped order
|
|
ret i64 %masked
|
|
}
|
|
|
|
; 64-bit, but with 32-bit output
|
|
|
|
; Everything done in 64-bit, truncation happens last.
|
|
define i32 @bzhi64_32_a0(i64 %val, i64 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_32_a0:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $1, %edx
|
|
; X86-NOBMI-NEXT: shll %cl, %edx
|
|
; X86-NOBMI-NEXT: xorl %eax, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: jne .LBB10_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %edx, %eax
|
|
; X86-NOBMI-NEXT: .LBB10_2:
|
|
; X86-NOBMI-NEXT: decl %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_32_a0:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $1, %edx
|
|
; X86-BMI1-NEXT: shll %cl, %edx
|
|
; X86-BMI1-NEXT: xorl %eax, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: jne .LBB10_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %edx, %eax
|
|
; X86-BMI1-NEXT: .LBB10_2:
|
|
; X86-BMI1-NEXT: decl %eax
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_32_a0:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: xorl %eax, %eax
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: jne .LBB10_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl $1, %eax
|
|
; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
|
|
; X86-BMI2-NEXT: .LBB10_2:
|
|
; X86-BMI2-NEXT: decl %eax
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_32_a0:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: movl $1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: decl %eax
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_32_a0:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_32_a0:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%onebit = shl i64 1, %numlowbits
|
|
%mask = add nsw i64 %onebit, -1
|
|
%masked = and i64 %mask, %val
|
|
%res = trunc i64 %masked to i32
|
|
ret i32 %res
|
|
}
|
|
|
|
; Shifting happens in 64-bit, then truncation. Masking is 32-bit.
|
|
define i32 @bzhi64_32_a1(i64 %val, i32 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_32_a1:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $1, %eax
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: decl %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_32_a1:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI1-NEXT: shll $8, %eax
|
|
; X86-BMI1-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_32_a1:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: bzhil %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_32_a1:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl $1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: decl %eax
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_32_a1:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_32_a1:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%truncval = trunc i64 %val to i32
|
|
%onebit = shl i32 1, %numlowbits
|
|
%mask = add nsw i32 %onebit, -1
|
|
%masked = and i32 %mask, %truncval
|
|
ret i32 %masked
|
|
}
|
|
|
|
; Shifting happens in 64-bit, then truncation (with extra use).
|
|
; Masking is 32-bit.
|
|
define i32 @bzhi64_32_a1_trunc_extrause(i64 %val, i32 %numlowbits, i32* %escape) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_32_a1_trunc_extrause:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: movl %edx, (%eax)
|
|
; X86-NOBMI-NEXT: movl $1, %eax
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: decl %eax
|
|
; X86-NOBMI-NEXT: andl %edx, %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_32_a1_trunc_extrause:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: movl %ecx, (%edx)
|
|
; X86-BMI1-NEXT: shll $8, %eax
|
|
; X86-BMI1-NEXT: bextrl %eax, %ecx, %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_32_a1_trunc_extrause:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI2-NEXT: movl %ecx, (%edx)
|
|
; X86-BMI2-NEXT: bzhil %eax, %ecx, %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_32_a1_trunc_extrause:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl %edi, (%rdx)
|
|
; X64-NOBMI-NEXT: movl $1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: decl %eax
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_32_a1_trunc_extrause:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: movl %edi, (%rdx)
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_32_a1_trunc_extrause:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: movl %edi, (%rdx)
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%truncval = trunc i64 %val to i32
|
|
store i32 %truncval, i32* %escape
|
|
%onebit = shl i32 1, %numlowbits
|
|
%mask = add nsw i32 %onebit, -1
|
|
%masked = and i32 %mask, %truncval
|
|
ret i32 %masked
|
|
}
|
|
|
|
; Shifting happens in 64-bit. Mask is 32-bit, but extended to 64-bit.
|
|
; Masking is 64-bit. Then truncation.
|
|
define i32 @bzhi64_32_a2(i64 %val, i32 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_32_a2:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $1, %eax
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: decl %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_32_a2:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI1-NEXT: shll $8, %eax
|
|
; X86-BMI1-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_32_a2:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: bzhil %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_32_a2:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl $1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: decl %eax
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_32_a2:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_32_a2:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%onebit = shl i32 1, %numlowbits
|
|
%mask = add nsw i32 %onebit, -1
|
|
%zextmask = zext i32 %mask to i64
|
|
%masked = and i64 %zextmask, %val
|
|
%truncmasked = trunc i64 %masked to i32
|
|
ret i32 %truncmasked
|
|
}
|
|
|
|
; Shifting happens in 64-bit. Mask is 32-bit, but calculated in 64-bit.
|
|
; Masking is 64-bit. Then truncation.
|
|
define i32 @bzhi64_32_a3(i64 %val, i64 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_32_a3:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $1, %edx
|
|
; X86-NOBMI-NEXT: shll %cl, %edx
|
|
; X86-NOBMI-NEXT: xorl %eax, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: jne .LBB14_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %edx, %eax
|
|
; X86-NOBMI-NEXT: .LBB14_2:
|
|
; X86-NOBMI-NEXT: decl %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_32_a3:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $1, %edx
|
|
; X86-BMI1-NEXT: shll %cl, %edx
|
|
; X86-BMI1-NEXT: xorl %eax, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: jne .LBB14_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %edx, %eax
|
|
; X86-BMI1-NEXT: .LBB14_2:
|
|
; X86-BMI1-NEXT: decl %eax
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_32_a3:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: xorl %eax, %eax
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: jne .LBB14_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl $1, %eax
|
|
; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
|
|
; X86-BMI2-NEXT: .LBB14_2:
|
|
; X86-BMI2-NEXT: decl %eax
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_32_a3:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: movl $1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: decl %eax
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_32_a3:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_32_a3:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%onebit = shl i64 1, %numlowbits
|
|
%mask = add nsw i64 %onebit, 4294967295
|
|
%masked = and i64 %mask, %val
|
|
%truncmasked = trunc i64 %masked to i32
|
|
ret i32 %truncmasked
|
|
}
|
|
|
|
; ---------------------------------------------------------------------------- ;
|
|
; Pattern b. 32-bit
|
|
; ---------------------------------------------------------------------------- ;
|
|
|
|
define i32 @bzhi32_b0(i32 %val, i32 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi32_b0:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %eax
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: notl %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi32_b0:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI1-NEXT: shll $8, %eax
|
|
; X86-BMI1-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi32_b0:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: bzhil %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi32_b0:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl $-1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: notl %eax
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi32_b0:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi32_b0:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%notmask = shl i32 -1, %numlowbits
|
|
%mask = xor i32 %notmask, -1
|
|
%masked = and i32 %mask, %val
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_b1_indexzext(i32 %val, i8 zeroext %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi32_b1_indexzext:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %eax
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: notl %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi32_b1_indexzext:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI1-NEXT: shll $8, %eax
|
|
; X86-BMI1-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi32_b1_indexzext:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: bzhil %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi32_b1_indexzext:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl $-1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: notl %eax
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi32_b1_indexzext:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi32_b1_indexzext:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%conv = zext i8 %numlowbits to i32
|
|
%notmask = shl i32 -1, %conv
|
|
%mask = xor i32 %notmask, -1
|
|
%masked = and i32 %mask, %val
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_b2_load(i32* %w, i32 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi32_b2_load:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %eax
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: notl %eax
|
|
; X86-NOBMI-NEXT: andl (%edx), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi32_b2_load:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: shll $8, %ecx
|
|
; X86-BMI1-NEXT: bextrl %ecx, (%eax), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi32_b2_load:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: bzhil %ecx, (%eax), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi32_b2_load:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl $-1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: notl %eax
|
|
; X64-NOBMI-NEXT: andl (%rdi), %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi32_b2_load:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, (%rdi), %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi32_b2_load:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, (%rdi), %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%val = load i32, i32* %w
|
|
%notmask = shl i32 -1, %numlowbits
|
|
%mask = xor i32 %notmask, -1
|
|
%masked = and i32 %mask, %val
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_b3_load_indexzext(i32* %w, i8 zeroext %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi32_b3_load_indexzext:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %eax
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: notl %eax
|
|
; X86-NOBMI-NEXT: andl (%edx), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi32_b3_load_indexzext:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: shll $8, %ecx
|
|
; X86-BMI1-NEXT: bextrl %ecx, (%eax), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi32_b3_load_indexzext:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: bzhil %ecx, (%eax), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi32_b3_load_indexzext:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl $-1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: notl %eax
|
|
; X64-NOBMI-NEXT: andl (%rdi), %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi32_b3_load_indexzext:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, (%rdi), %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi32_b3_load_indexzext:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, (%rdi), %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%val = load i32, i32* %w
|
|
%conv = zext i8 %numlowbits to i32
|
|
%notmask = shl i32 -1, %conv
|
|
%mask = xor i32 %notmask, -1
|
|
%masked = and i32 %mask, %val
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_b4_commutative(i32 %val, i32 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi32_b4_commutative:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %eax
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: notl %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi32_b4_commutative:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI1-NEXT: shll $8, %eax
|
|
; X86-BMI1-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi32_b4_commutative:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: bzhil %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi32_b4_commutative:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl $-1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: notl %eax
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi32_b4_commutative:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi32_b4_commutative:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%notmask = shl i32 -1, %numlowbits
|
|
%mask = xor i32 %notmask, -1
|
|
%masked = and i32 %val, %mask ; swapped order
|
|
ret i32 %masked
|
|
}
|
|
|
|
; 64-bit
|
|
|
|
define i64 @bzhi64_b0(i64 %val, i64 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_b0:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %edx
|
|
; X86-NOBMI-NEXT: movl $-1, %esi
|
|
; X86-NOBMI-NEXT: shll %cl, %esi
|
|
; X86-NOBMI-NEXT: xorl %eax, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: jne .LBB20_1
|
|
; X86-NOBMI-NEXT: # %bb.2:
|
|
; X86-NOBMI-NEXT: movl %esi, %eax
|
|
; X86-NOBMI-NEXT: jmp .LBB20_3
|
|
; X86-NOBMI-NEXT: .LBB20_1:
|
|
; X86-NOBMI-NEXT: movl %esi, %edx
|
|
; X86-NOBMI-NEXT: .LBB20_3:
|
|
; X86-NOBMI-NEXT: notl %edx
|
|
; X86-NOBMI-NEXT: notl %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_b0:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %edx
|
|
; X86-BMI1-NEXT: movl $-1, %eax
|
|
; X86-BMI1-NEXT: shll %cl, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: je .LBB20_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %eax, %edx
|
|
; X86-BMI1-NEXT: xorl %eax, %eax
|
|
; X86-BMI1-NEXT: .LBB20_2:
|
|
; X86-BMI1-NEXT: andnl {{[0-9]+}}(%esp), %eax, %eax
|
|
; X86-BMI1-NEXT: andnl {{[0-9]+}}(%esp), %edx, %edx
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_b0:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
|
|
; X86-BMI2-NEXT: movl $-1, %ecx
|
|
; X86-BMI2-NEXT: shlxl %edx, %ecx, %eax
|
|
; X86-BMI2-NEXT: testb $32, %dl
|
|
; X86-BMI2-NEXT: je .LBB20_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %eax, %ecx
|
|
; X86-BMI2-NEXT: xorl %eax, %eax
|
|
; X86-BMI2-NEXT: .LBB20_2:
|
|
; X86-BMI2-NEXT: andnl {{[0-9]+}}(%esp), %eax, %eax
|
|
; X86-BMI2-NEXT: andnl {{[0-9]+}}(%esp), %ecx, %edx
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_b0:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: movq $-1, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: notq %rax
|
|
; X64-NOBMI-NEXT: andq %rdi, %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_b0:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrq %rsi, %rdi, %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_b0:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhiq %rsi, %rdi, %rax
|
|
; X64-BMI2-NEXT: retq
|
|
%notmask = shl i64 -1, %numlowbits
|
|
%mask = xor i64 %notmask, -1
|
|
%masked = and i64 %mask, %val
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_b1_indexzext(i64 %val, i8 zeroext %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_b1_indexzext:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %edx
|
|
; X86-NOBMI-NEXT: movl $-1, %esi
|
|
; X86-NOBMI-NEXT: shll %cl, %esi
|
|
; X86-NOBMI-NEXT: xorl %eax, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: jne .LBB21_1
|
|
; X86-NOBMI-NEXT: # %bb.2:
|
|
; X86-NOBMI-NEXT: movl %esi, %eax
|
|
; X86-NOBMI-NEXT: jmp .LBB21_3
|
|
; X86-NOBMI-NEXT: .LBB21_1:
|
|
; X86-NOBMI-NEXT: movl %esi, %edx
|
|
; X86-NOBMI-NEXT: .LBB21_3:
|
|
; X86-NOBMI-NEXT: notl %edx
|
|
; X86-NOBMI-NEXT: notl %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_b1_indexzext:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %edx
|
|
; X86-BMI1-NEXT: movl $-1, %eax
|
|
; X86-BMI1-NEXT: shll %cl, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: je .LBB21_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %eax, %edx
|
|
; X86-BMI1-NEXT: xorl %eax, %eax
|
|
; X86-BMI1-NEXT: .LBB21_2:
|
|
; X86-BMI1-NEXT: andnl {{[0-9]+}}(%esp), %eax, %eax
|
|
; X86-BMI1-NEXT: andnl {{[0-9]+}}(%esp), %edx, %edx
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_b1_indexzext:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
|
|
; X86-BMI2-NEXT: movl $-1, %ecx
|
|
; X86-BMI2-NEXT: shlxl %edx, %ecx, %eax
|
|
; X86-BMI2-NEXT: testb $32, %dl
|
|
; X86-BMI2-NEXT: je .LBB21_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %eax, %ecx
|
|
; X86-BMI2-NEXT: xorl %eax, %eax
|
|
; X86-BMI2-NEXT: .LBB21_2:
|
|
; X86-BMI2-NEXT: andnl {{[0-9]+}}(%esp), %eax, %eax
|
|
; X86-BMI2-NEXT: andnl {{[0-9]+}}(%esp), %ecx, %edx
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_b1_indexzext:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movq $-1, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: notq %rax
|
|
; X64-NOBMI-NEXT: andq %rdi, %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_b1_indexzext:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrq %rsi, %rdi, %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_b1_indexzext:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-BMI2-NEXT: bzhiq %rsi, %rdi, %rax
|
|
; X64-BMI2-NEXT: retq
|
|
%conv = zext i8 %numlowbits to i64
|
|
%notmask = shl i64 -1, %conv
|
|
%mask = xor i64 %notmask, -1
|
|
%masked = and i64 %mask, %val
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_b2_load(i64* %w, i64 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_b2_load:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %edi
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %edx
|
|
; X86-NOBMI-NEXT: movl $-1, %edi
|
|
; X86-NOBMI-NEXT: shll %cl, %edi
|
|
; X86-NOBMI-NEXT: xorl %eax, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: jne .LBB22_1
|
|
; X86-NOBMI-NEXT: # %bb.2:
|
|
; X86-NOBMI-NEXT: movl %edi, %eax
|
|
; X86-NOBMI-NEXT: jmp .LBB22_3
|
|
; X86-NOBMI-NEXT: .LBB22_1:
|
|
; X86-NOBMI-NEXT: movl %edi, %edx
|
|
; X86-NOBMI-NEXT: .LBB22_3:
|
|
; X86-NOBMI-NEXT: notl %edx
|
|
; X86-NOBMI-NEXT: notl %eax
|
|
; X86-NOBMI-NEXT: andl (%esi), %eax
|
|
; X86-NOBMI-NEXT: andl 4(%esi), %edx
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: popl %edi
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_b2_load:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %esi
|
|
; X86-BMI1-NEXT: movl $-1, %eax
|
|
; X86-BMI1-NEXT: shll %cl, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: je .LBB22_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %eax, %esi
|
|
; X86-BMI1-NEXT: xorl %eax, %eax
|
|
; X86-BMI1-NEXT: .LBB22_2:
|
|
; X86-BMI1-NEXT: andnl (%edx), %eax, %eax
|
|
; X86-BMI1-NEXT: andnl 4(%edx), %esi, %edx
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_b2_load:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %ebx
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %bl
|
|
; X86-BMI2-NEXT: movl $-1, %edx
|
|
; X86-BMI2-NEXT: shlxl %ebx, %edx, %eax
|
|
; X86-BMI2-NEXT: testb $32, %bl
|
|
; X86-BMI2-NEXT: je .LBB22_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %eax, %edx
|
|
; X86-BMI2-NEXT: xorl %eax, %eax
|
|
; X86-BMI2-NEXT: .LBB22_2:
|
|
; X86-BMI2-NEXT: andnl (%ecx), %eax, %eax
|
|
; X86-BMI2-NEXT: andnl 4(%ecx), %edx, %edx
|
|
; X86-BMI2-NEXT: popl %ebx
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_b2_load:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: movq $-1, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: notq %rax
|
|
; X64-NOBMI-NEXT: andq (%rdi), %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_b2_load:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrq %rsi, (%rdi), %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_b2_load:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhiq %rsi, (%rdi), %rax
|
|
; X64-BMI2-NEXT: retq
|
|
%val = load i64, i64* %w
|
|
%notmask = shl i64 -1, %numlowbits
|
|
%mask = xor i64 %notmask, -1
|
|
%masked = and i64 %mask, %val
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_b3_load_indexzext(i64* %w, i8 zeroext %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_b3_load_indexzext:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %edi
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %edx
|
|
; X86-NOBMI-NEXT: movl $-1, %edi
|
|
; X86-NOBMI-NEXT: shll %cl, %edi
|
|
; X86-NOBMI-NEXT: xorl %eax, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: jne .LBB23_1
|
|
; X86-NOBMI-NEXT: # %bb.2:
|
|
; X86-NOBMI-NEXT: movl %edi, %eax
|
|
; X86-NOBMI-NEXT: jmp .LBB23_3
|
|
; X86-NOBMI-NEXT: .LBB23_1:
|
|
; X86-NOBMI-NEXT: movl %edi, %edx
|
|
; X86-NOBMI-NEXT: .LBB23_3:
|
|
; X86-NOBMI-NEXT: notl %edx
|
|
; X86-NOBMI-NEXT: notl %eax
|
|
; X86-NOBMI-NEXT: andl (%esi), %eax
|
|
; X86-NOBMI-NEXT: andl 4(%esi), %edx
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: popl %edi
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_b3_load_indexzext:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %esi
|
|
; X86-BMI1-NEXT: movl $-1, %eax
|
|
; X86-BMI1-NEXT: shll %cl, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: je .LBB23_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %eax, %esi
|
|
; X86-BMI1-NEXT: xorl %eax, %eax
|
|
; X86-BMI1-NEXT: .LBB23_2:
|
|
; X86-BMI1-NEXT: andnl (%edx), %eax, %eax
|
|
; X86-BMI1-NEXT: andnl 4(%edx), %esi, %edx
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_b3_load_indexzext:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %ebx
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %bl
|
|
; X86-BMI2-NEXT: movl $-1, %edx
|
|
; X86-BMI2-NEXT: shlxl %ebx, %edx, %eax
|
|
; X86-BMI2-NEXT: testb $32, %bl
|
|
; X86-BMI2-NEXT: je .LBB23_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %eax, %edx
|
|
; X86-BMI2-NEXT: xorl %eax, %eax
|
|
; X86-BMI2-NEXT: .LBB23_2:
|
|
; X86-BMI2-NEXT: andnl (%ecx), %eax, %eax
|
|
; X86-BMI2-NEXT: andnl 4(%ecx), %edx, %edx
|
|
; X86-BMI2-NEXT: popl %ebx
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_b3_load_indexzext:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movq $-1, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: notq %rax
|
|
; X64-NOBMI-NEXT: andq (%rdi), %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_b3_load_indexzext:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrq %rsi, (%rdi), %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_b3_load_indexzext:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-BMI2-NEXT: bzhiq %rsi, (%rdi), %rax
|
|
; X64-BMI2-NEXT: retq
|
|
%val = load i64, i64* %w
|
|
%conv = zext i8 %numlowbits to i64
|
|
%notmask = shl i64 -1, %conv
|
|
%mask = xor i64 %notmask, -1
|
|
%masked = and i64 %mask, %val
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_b4_commutative(i64 %val, i64 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_b4_commutative:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %edx
|
|
; X86-NOBMI-NEXT: movl $-1, %esi
|
|
; X86-NOBMI-NEXT: shll %cl, %esi
|
|
; X86-NOBMI-NEXT: xorl %eax, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: jne .LBB24_1
|
|
; X86-NOBMI-NEXT: # %bb.2:
|
|
; X86-NOBMI-NEXT: movl %esi, %eax
|
|
; X86-NOBMI-NEXT: jmp .LBB24_3
|
|
; X86-NOBMI-NEXT: .LBB24_1:
|
|
; X86-NOBMI-NEXT: movl %esi, %edx
|
|
; X86-NOBMI-NEXT: .LBB24_3:
|
|
; X86-NOBMI-NEXT: notl %edx
|
|
; X86-NOBMI-NEXT: notl %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_b4_commutative:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %edx
|
|
; X86-BMI1-NEXT: movl $-1, %eax
|
|
; X86-BMI1-NEXT: shll %cl, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: je .LBB24_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %eax, %edx
|
|
; X86-BMI1-NEXT: xorl %eax, %eax
|
|
; X86-BMI1-NEXT: .LBB24_2:
|
|
; X86-BMI1-NEXT: andnl {{[0-9]+}}(%esp), %eax, %eax
|
|
; X86-BMI1-NEXT: andnl {{[0-9]+}}(%esp), %edx, %edx
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_b4_commutative:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
|
|
; X86-BMI2-NEXT: movl $-1, %ecx
|
|
; X86-BMI2-NEXT: shlxl %edx, %ecx, %eax
|
|
; X86-BMI2-NEXT: testb $32, %dl
|
|
; X86-BMI2-NEXT: je .LBB24_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %eax, %ecx
|
|
; X86-BMI2-NEXT: xorl %eax, %eax
|
|
; X86-BMI2-NEXT: .LBB24_2:
|
|
; X86-BMI2-NEXT: andnl {{[0-9]+}}(%esp), %eax, %eax
|
|
; X86-BMI2-NEXT: andnl {{[0-9]+}}(%esp), %ecx, %edx
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_b4_commutative:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: movq $-1, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: notq %rax
|
|
; X64-NOBMI-NEXT: andq %rdi, %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_b4_commutative:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrq %rsi, %rdi, %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_b4_commutative:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhiq %rsi, %rdi, %rax
|
|
; X64-BMI2-NEXT: retq
|
|
%notmask = shl i64 -1, %numlowbits
|
|
%mask = xor i64 %notmask, -1
|
|
%masked = and i64 %val, %mask ; swapped order
|
|
ret i64 %masked
|
|
}
|
|
|
|
; 64-bit, but with 32-bit output
|
|
|
|
; Everything done in 64-bit, truncation happens last.
|
|
define i32 @bzhi64_32_b0(i64 %val, i8 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_32_b0:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %edx
|
|
; X86-NOBMI-NEXT: shll %cl, %edx
|
|
; X86-NOBMI-NEXT: xorl %eax, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: jne .LBB25_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %edx, %eax
|
|
; X86-NOBMI-NEXT: .LBB25_2:
|
|
; X86-NOBMI-NEXT: notl %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_32_b0:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %eax
|
|
; X86-BMI1-NEXT: shll %cl, %eax
|
|
; X86-BMI1-NEXT: xorl %edx, %edx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: jne .LBB25_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %eax, %edx
|
|
; X86-BMI1-NEXT: .LBB25_2:
|
|
; X86-BMI1-NEXT: andnl {{[0-9]+}}(%esp), %edx, %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_32_b0:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: xorl %ecx, %ecx
|
|
; X86-BMI2-NEXT: testb $32, %al
|
|
; X86-BMI2-NEXT: jne .LBB25_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl $-1, %ecx
|
|
; X86-BMI2-NEXT: shlxl %eax, %ecx, %ecx
|
|
; X86-BMI2-NEXT: .LBB25_2:
|
|
; X86-BMI2-NEXT: andnl {{[0-9]+}}(%esp), %ecx, %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_32_b0:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movq $-1, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: notl %eax
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_32_b0:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_32_b0:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%widenumlowbits = zext i8 %numlowbits to i64
|
|
%notmask = shl nsw i64 -1, %widenumlowbits
|
|
%mask = xor i64 %notmask, -1
|
|
%wideres = and i64 %val, %mask
|
|
%res = trunc i64 %wideres to i32
|
|
ret i32 %res
|
|
}
|
|
|
|
; Shifting happens in 64-bit, then truncation. Masking is 32-bit.
|
|
define i32 @bzhi64_32_b1(i64 %val, i8 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_32_b1:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %eax
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: notl %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_32_b1:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI1-NEXT: shll $8, %eax
|
|
; X86-BMI1-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_32_b1:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: bzhil %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_32_b1:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl $-1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: notl %eax
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_32_b1:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_32_b1:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%truncval = trunc i64 %val to i32
|
|
%widenumlowbits = zext i8 %numlowbits to i32
|
|
%notmask = shl nsw i32 -1, %widenumlowbits
|
|
%mask = xor i32 %notmask, -1
|
|
%res = and i32 %truncval, %mask
|
|
ret i32 %res
|
|
}
|
|
|
|
; Shifting happens in 64-bit. Mask is 32-bit, but extended to 64-bit.
|
|
; Masking is 64-bit. Then truncation.
|
|
define i32 @bzhi64_32_b2(i64 %val, i8 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_32_b2:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %eax
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: notl %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_32_b2:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI1-NEXT: shll $8, %eax
|
|
; X86-BMI1-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_32_b2:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: bzhil %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_32_b2:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl $-1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: notl %eax
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_32_b2:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_32_b2:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%widenumlowbits = zext i8 %numlowbits to i32
|
|
%notmask = shl nsw i32 -1, %widenumlowbits
|
|
%mask = xor i32 %notmask, -1
|
|
%zextmask = zext i32 %mask to i64
|
|
%wideres = and i64 %val, %zextmask
|
|
%res = trunc i64 %wideres to i32
|
|
ret i32 %res
|
|
}
|
|
|
|
; Shifting happens in 64-bit. Mask is 32-bit, but calculated in 64-bit.
|
|
; Masking is 64-bit. Then truncation.
|
|
define i32 @bzhi64_32_b3(i64 %val, i8 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_32_b3:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %edx
|
|
; X86-NOBMI-NEXT: shll %cl, %edx
|
|
; X86-NOBMI-NEXT: xorl %eax, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: jne .LBB28_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %edx, %eax
|
|
; X86-NOBMI-NEXT: .LBB28_2:
|
|
; X86-NOBMI-NEXT: notl %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_32_b3:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %eax
|
|
; X86-BMI1-NEXT: shll %cl, %eax
|
|
; X86-BMI1-NEXT: xorl %edx, %edx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: jne .LBB28_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %eax, %edx
|
|
; X86-BMI1-NEXT: .LBB28_2:
|
|
; X86-BMI1-NEXT: andnl {{[0-9]+}}(%esp), %edx, %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_32_b3:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: xorl %ecx, %ecx
|
|
; X86-BMI2-NEXT: testb $32, %al
|
|
; X86-BMI2-NEXT: jne .LBB28_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl $-1, %ecx
|
|
; X86-BMI2-NEXT: shlxl %eax, %ecx, %ecx
|
|
; X86-BMI2-NEXT: .LBB28_2:
|
|
; X86-BMI2-NEXT: andnl {{[0-9]+}}(%esp), %ecx, %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_32_b3:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl $4294967295, %eax # imm = 0xFFFFFFFF
|
|
; X64-NOBMI-NEXT: movl $4294967295, %edx # imm = 0xFFFFFFFF
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shlq %cl, %rdx
|
|
; X64-NOBMI-NEXT: xorl %edx, %eax
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_32_b3:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_32_b3:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%widenumlowbits = zext i8 %numlowbits to i64
|
|
%notmask = shl nsw i64 4294967295, %widenumlowbits
|
|
%mask = xor i64 %notmask, 4294967295
|
|
%wideres = and i64 %val, %mask
|
|
%res = trunc i64 %wideres to i32
|
|
ret i32 %res
|
|
}
|
|
|
|
; ---------------------------------------------------------------------------- ;
|
|
; Pattern c. 32-bit
|
|
; ---------------------------------------------------------------------------- ;
|
|
|
|
define i32 @bzhi32_c0(i32 %val, i32 %numlowbits, i32* %escape) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi32_c0:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: xorl %ecx, %ecx
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %eax
|
|
; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: movl %eax, (%edx)
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi32_c0:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: xorl %ecx, %ecx
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %eax
|
|
; X86-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-BMI1-NEXT: shrl %cl, %eax
|
|
; X86-BMI1-NEXT: movl %eax, (%edx)
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi32_c0:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
|
|
; X86-BMI2-NEXT: bzhil %edx, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: # kill: def $dl killed $dl killed $edx def $edx
|
|
; X86-BMI2-NEXT: negb %dl
|
|
; X86-BMI2-NEXT: movl $-1, %esi
|
|
; X86-BMI2-NEXT: shrxl %edx, %esi, %edx
|
|
; X86-BMI2-NEXT: movl %edx, (%ecx)
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi32_c0:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: movl $-1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrl %cl, %eax
|
|
; X64-NOBMI-NEXT: movl %eax, (%rdx)
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi32_c0:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: movl %esi, %ecx
|
|
; X64-BMI1-NEXT: negb %cl
|
|
; X64-BMI1-NEXT: movl $-1, %eax
|
|
; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-BMI1-NEXT: shrl %cl, %eax
|
|
; X64-BMI1-NEXT: movl %eax, (%rdx)
|
|
; X64-BMI1-NEXT: andl %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi32_c0:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: # kill: def $sil killed $sil killed $esi def $esi
|
|
; X64-BMI2-NEXT: negb %sil
|
|
; X64-BMI2-NEXT: movl $-1, %ecx
|
|
; X64-BMI2-NEXT: shrxl %esi, %ecx, %ecx
|
|
; X64-BMI2-NEXT: movl %ecx, (%rdx)
|
|
; X64-BMI2-NEXT: retq
|
|
%numhighbits = sub i32 32, %numlowbits
|
|
%mask = lshr i32 -1, %numhighbits
|
|
store i32 %mask, i32* %escape
|
|
%masked = and i32 %mask, %val
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_c1_indexzext(i32 %val, i8 %numlowbits, i32* %escape) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi32_c1_indexzext:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: xorl %ecx, %ecx
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %eax
|
|
; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: movl %eax, (%edx)
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi32_c1_indexzext:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: xorl %ecx, %ecx
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %eax
|
|
; X86-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-BMI1-NEXT: shrl %cl, %eax
|
|
; X86-BMI1-NEXT: movl %eax, (%edx)
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi32_c1_indexzext:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
|
|
; X86-BMI2-NEXT: bzhil %edx, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: # kill: def $dl killed $dl killed $edx def $edx
|
|
; X86-BMI2-NEXT: negb %dl
|
|
; X86-BMI2-NEXT: movl $-1, %esi
|
|
; X86-BMI2-NEXT: shrxl %edx, %esi, %edx
|
|
; X86-BMI2-NEXT: movl %edx, (%ecx)
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi32_c1_indexzext:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: movl $-1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrl %cl, %eax
|
|
; X64-NOBMI-NEXT: movl %eax, (%rdx)
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi32_c1_indexzext:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: movl %esi, %ecx
|
|
; X64-BMI1-NEXT: negb %cl
|
|
; X64-BMI1-NEXT: movl $-1, %eax
|
|
; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-BMI1-NEXT: shrl %cl, %eax
|
|
; X64-BMI1-NEXT: movl %eax, (%rdx)
|
|
; X64-BMI1-NEXT: andl %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi32_c1_indexzext:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: # kill: def $sil killed $sil killed $esi def $esi
|
|
; X64-BMI2-NEXT: negb %sil
|
|
; X64-BMI2-NEXT: movl $-1, %ecx
|
|
; X64-BMI2-NEXT: shrxl %esi, %ecx, %ecx
|
|
; X64-BMI2-NEXT: movl %ecx, (%rdx)
|
|
; X64-BMI2-NEXT: retq
|
|
%numhighbits = sub i8 32, %numlowbits
|
|
%sh_prom = zext i8 %numhighbits to i32
|
|
%mask = lshr i32 -1, %sh_prom
|
|
store i32 %mask, i32* %escape
|
|
%masked = and i32 %mask, %val
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_c2_load(i32* %w, i32 %numlowbits, i32* %escape) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi32_c2_load:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: xorl %ecx, %ecx
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %esi
|
|
; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-NOBMI-NEXT: shrl %cl, %esi
|
|
; X86-NOBMI-NEXT: movl (%eax), %eax
|
|
; X86-NOBMI-NEXT: andl %esi, %eax
|
|
; X86-NOBMI-NEXT: movl %esi, (%edx)
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi32_c2_load:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: xorl %ecx, %ecx
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %esi
|
|
; X86-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-BMI1-NEXT: shrl %cl, %esi
|
|
; X86-BMI1-NEXT: movl (%eax), %eax
|
|
; X86-BMI1-NEXT: andl %esi, %eax
|
|
; X86-BMI1-NEXT: movl %esi, (%edx)
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi32_c2_load:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
|
|
; X86-BMI2-NEXT: bzhil %edx, (%eax), %eax
|
|
; X86-BMI2-NEXT: # kill: def $dl killed $dl killed $edx def $edx
|
|
; X86-BMI2-NEXT: negb %dl
|
|
; X86-BMI2-NEXT: movl $-1, %esi
|
|
; X86-BMI2-NEXT: shrxl %edx, %esi, %edx
|
|
; X86-BMI2-NEXT: movl %edx, (%ecx)
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi32_c2_load:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: movl $-1, %esi
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrl %cl, %esi
|
|
; X64-NOBMI-NEXT: movl (%rdi), %eax
|
|
; X64-NOBMI-NEXT: andl %esi, %eax
|
|
; X64-NOBMI-NEXT: movl %esi, (%rdx)
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi32_c2_load:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: movl %esi, %ecx
|
|
; X64-BMI1-NEXT: negb %cl
|
|
; X64-BMI1-NEXT: movl $-1, %esi
|
|
; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-BMI1-NEXT: shrl %cl, %esi
|
|
; X64-BMI1-NEXT: movl (%rdi), %eax
|
|
; X64-BMI1-NEXT: andl %esi, %eax
|
|
; X64-BMI1-NEXT: movl %esi, (%rdx)
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi32_c2_load:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, (%rdi), %eax
|
|
; X64-BMI2-NEXT: # kill: def $sil killed $sil killed $esi def $esi
|
|
; X64-BMI2-NEXT: negb %sil
|
|
; X64-BMI2-NEXT: movl $-1, %ecx
|
|
; X64-BMI2-NEXT: shrxl %esi, %ecx, %ecx
|
|
; X64-BMI2-NEXT: movl %ecx, (%rdx)
|
|
; X64-BMI2-NEXT: retq
|
|
%val = load i32, i32* %w
|
|
%numhighbits = sub i32 32, %numlowbits
|
|
%mask = lshr i32 -1, %numhighbits
|
|
store i32 %mask, i32* %escape
|
|
%masked = and i32 %mask, %val
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_c3_load_indexzext(i32* %w, i8 %numlowbits, i32* %escape) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi32_c3_load_indexzext:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: xorl %ecx, %ecx
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %esi
|
|
; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-NOBMI-NEXT: shrl %cl, %esi
|
|
; X86-NOBMI-NEXT: movl (%eax), %eax
|
|
; X86-NOBMI-NEXT: andl %esi, %eax
|
|
; X86-NOBMI-NEXT: movl %esi, (%edx)
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi32_c3_load_indexzext:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: xorl %ecx, %ecx
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %esi
|
|
; X86-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-BMI1-NEXT: shrl %cl, %esi
|
|
; X86-BMI1-NEXT: movl (%eax), %eax
|
|
; X86-BMI1-NEXT: andl %esi, %eax
|
|
; X86-BMI1-NEXT: movl %esi, (%edx)
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi32_c3_load_indexzext:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
|
|
; X86-BMI2-NEXT: bzhil %edx, (%eax), %eax
|
|
; X86-BMI2-NEXT: # kill: def $dl killed $dl killed $edx def $edx
|
|
; X86-BMI2-NEXT: negb %dl
|
|
; X86-BMI2-NEXT: movl $-1, %esi
|
|
; X86-BMI2-NEXT: shrxl %edx, %esi, %edx
|
|
; X86-BMI2-NEXT: movl %edx, (%ecx)
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi32_c3_load_indexzext:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: movl $-1, %esi
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrl %cl, %esi
|
|
; X64-NOBMI-NEXT: movl (%rdi), %eax
|
|
; X64-NOBMI-NEXT: andl %esi, %eax
|
|
; X64-NOBMI-NEXT: movl %esi, (%rdx)
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi32_c3_load_indexzext:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: movl %esi, %ecx
|
|
; X64-BMI1-NEXT: negb %cl
|
|
; X64-BMI1-NEXT: movl $-1, %esi
|
|
; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-BMI1-NEXT: shrl %cl, %esi
|
|
; X64-BMI1-NEXT: movl (%rdi), %eax
|
|
; X64-BMI1-NEXT: andl %esi, %eax
|
|
; X64-BMI1-NEXT: movl %esi, (%rdx)
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi32_c3_load_indexzext:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, (%rdi), %eax
|
|
; X64-BMI2-NEXT: # kill: def $sil killed $sil killed $esi def $esi
|
|
; X64-BMI2-NEXT: negb %sil
|
|
; X64-BMI2-NEXT: movl $-1, %ecx
|
|
; X64-BMI2-NEXT: shrxl %esi, %ecx, %ecx
|
|
; X64-BMI2-NEXT: movl %ecx, (%rdx)
|
|
; X64-BMI2-NEXT: retq
|
|
%val = load i32, i32* %w
|
|
%numhighbits = sub i8 32, %numlowbits
|
|
%sh_prom = zext i8 %numhighbits to i32
|
|
%mask = lshr i32 -1, %sh_prom
|
|
store i32 %mask, i32* %escape
|
|
%masked = and i32 %mask, %val
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_c4_commutative(i32 %val, i32 %numlowbits, i32* %escape) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi32_c4_commutative:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: xorl %ecx, %ecx
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %eax
|
|
; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: movl %eax, (%edx)
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi32_c4_commutative:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: xorl %ecx, %ecx
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %eax
|
|
; X86-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-BMI1-NEXT: shrl %cl, %eax
|
|
; X86-BMI1-NEXT: movl %eax, (%edx)
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi32_c4_commutative:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
|
|
; X86-BMI2-NEXT: bzhil %edx, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: # kill: def $dl killed $dl killed $edx def $edx
|
|
; X86-BMI2-NEXT: negb %dl
|
|
; X86-BMI2-NEXT: movl $-1, %esi
|
|
; X86-BMI2-NEXT: shrxl %edx, %esi, %edx
|
|
; X86-BMI2-NEXT: movl %edx, (%ecx)
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi32_c4_commutative:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: movl $-1, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrl %cl, %eax
|
|
; X64-NOBMI-NEXT: movl %eax, (%rdx)
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi32_c4_commutative:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: movl %esi, %ecx
|
|
; X64-BMI1-NEXT: negb %cl
|
|
; X64-BMI1-NEXT: movl $-1, %eax
|
|
; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-BMI1-NEXT: shrl %cl, %eax
|
|
; X64-BMI1-NEXT: movl %eax, (%rdx)
|
|
; X64-BMI1-NEXT: andl %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi32_c4_commutative:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: # kill: def $sil killed $sil killed $esi def $esi
|
|
; X64-BMI2-NEXT: negb %sil
|
|
; X64-BMI2-NEXT: movl $-1, %ecx
|
|
; X64-BMI2-NEXT: shrxl %esi, %ecx, %ecx
|
|
; X64-BMI2-NEXT: movl %ecx, (%rdx)
|
|
; X64-BMI2-NEXT: retq
|
|
%numhighbits = sub i32 32, %numlowbits
|
|
%mask = lshr i32 -1, %numhighbits
|
|
store i32 %mask, i32* %escape
|
|
%masked = and i32 %val, %mask ; swapped order
|
|
ret i32 %masked
|
|
}
|
|
|
|
; 64-bit
|
|
|
|
define i64 @bzhi64_c0(i64 %val, i64 %numlowbits, i64* %escape) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_c0:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-NOBMI-NEXT: movb $64, %cl
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %eax
|
|
; X86-NOBMI-NEXT: movl $-1, %edx
|
|
; X86-NOBMI-NEXT: shrl %cl, %edx
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: je .LBB34_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %edx, %eax
|
|
; X86-NOBMI-NEXT: xorl %edx, %edx
|
|
; X86-NOBMI-NEXT: .LBB34_2:
|
|
; X86-NOBMI-NEXT: movl %edx, 4(%esi)
|
|
; X86-NOBMI-NEXT: movl %eax, (%esi)
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_c0:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI1-NEXT: movb $64, %cl
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %eax
|
|
; X86-BMI1-NEXT: movl $-1, %edx
|
|
; X86-BMI1-NEXT: shrl %cl, %edx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: je .LBB34_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %edx, %eax
|
|
; X86-BMI1-NEXT: xorl %edx, %edx
|
|
; X86-BMI1-NEXT: .LBB34_2:
|
|
; X86-BMI1-NEXT: movl %edx, 4(%esi)
|
|
; X86-BMI1-NEXT: movl %eax, (%esi)
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_c0:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %ebx
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI2-NEXT: movb $64, %bl
|
|
; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %bl
|
|
; X86-BMI2-NEXT: movl $-1, %eax
|
|
; X86-BMI2-NEXT: shrxl %ebx, %eax, %edx
|
|
; X86-BMI2-NEXT: testb $32, %bl
|
|
; X86-BMI2-NEXT: je .LBB34_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %edx, %eax
|
|
; X86-BMI2-NEXT: xorl %edx, %edx
|
|
; X86-BMI2-NEXT: .LBB34_2:
|
|
; X86-BMI2-NEXT: movl %edx, 4(%ecx)
|
|
; X86-BMI2-NEXT: movl %eax, (%ecx)
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI2-NEXT: popl %ebx
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_c0:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: movq $-1, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shrq %cl, %rax
|
|
; X64-NOBMI-NEXT: movq %rax, (%rdx)
|
|
; X64-NOBMI-NEXT: andq %rdi, %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_c0:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: movq %rsi, %rcx
|
|
; X64-BMI1-NEXT: negb %cl
|
|
; X64-BMI1-NEXT: movq $-1, %rax
|
|
; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-BMI1-NEXT: shrq %cl, %rax
|
|
; X64-BMI1-NEXT: movq %rax, (%rdx)
|
|
; X64-BMI1-NEXT: andq %rdi, %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_c0:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhiq %rsi, %rdi, %rax
|
|
; X64-BMI2-NEXT: # kill: def $sil killed $sil killed $rsi def $rsi
|
|
; X64-BMI2-NEXT: negb %sil
|
|
; X64-BMI2-NEXT: movq $-1, %rcx
|
|
; X64-BMI2-NEXT: shrxq %rsi, %rcx, %rcx
|
|
; X64-BMI2-NEXT: movq %rcx, (%rdx)
|
|
; X64-BMI2-NEXT: retq
|
|
%numhighbits = sub i64 64, %numlowbits
|
|
%mask = lshr i64 -1, %numhighbits
|
|
store i64 %mask, i64* %escape
|
|
%masked = and i64 %mask, %val
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_c1_indexzext(i64 %val, i8 %numlowbits, i64* %escape) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_c1_indexzext:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-NOBMI-NEXT: movb $64, %cl
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %eax
|
|
; X86-NOBMI-NEXT: movl $-1, %edx
|
|
; X86-NOBMI-NEXT: shrl %cl, %edx
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: je .LBB35_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %edx, %eax
|
|
; X86-NOBMI-NEXT: xorl %edx, %edx
|
|
; X86-NOBMI-NEXT: .LBB35_2:
|
|
; X86-NOBMI-NEXT: movl %edx, 4(%esi)
|
|
; X86-NOBMI-NEXT: movl %eax, (%esi)
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_c1_indexzext:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI1-NEXT: movb $64, %cl
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %eax
|
|
; X86-BMI1-NEXT: movl $-1, %edx
|
|
; X86-BMI1-NEXT: shrl %cl, %edx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: je .LBB35_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %edx, %eax
|
|
; X86-BMI1-NEXT: xorl %edx, %edx
|
|
; X86-BMI1-NEXT: .LBB35_2:
|
|
; X86-BMI1-NEXT: movl %edx, 4(%esi)
|
|
; X86-BMI1-NEXT: movl %eax, (%esi)
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_c1_indexzext:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %ebx
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI2-NEXT: movb $64, %bl
|
|
; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %bl
|
|
; X86-BMI2-NEXT: movl $-1, %eax
|
|
; X86-BMI2-NEXT: shrxl %ebx, %eax, %edx
|
|
; X86-BMI2-NEXT: testb $32, %bl
|
|
; X86-BMI2-NEXT: je .LBB35_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %edx, %eax
|
|
; X86-BMI2-NEXT: xorl %edx, %edx
|
|
; X86-BMI2-NEXT: .LBB35_2:
|
|
; X86-BMI2-NEXT: movl %edx, 4(%ecx)
|
|
; X86-BMI2-NEXT: movl %eax, (%ecx)
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI2-NEXT: popl %ebx
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_c1_indexzext:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: movq $-1, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrq %cl, %rax
|
|
; X64-NOBMI-NEXT: movq %rax, (%rdx)
|
|
; X64-NOBMI-NEXT: andq %rdi, %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_c1_indexzext:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: movl %esi, %ecx
|
|
; X64-BMI1-NEXT: negb %cl
|
|
; X64-BMI1-NEXT: movq $-1, %rax
|
|
; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-BMI1-NEXT: shrq %cl, %rax
|
|
; X64-BMI1-NEXT: movq %rax, (%rdx)
|
|
; X64-BMI1-NEXT: andq %rdi, %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_c1_indexzext:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-BMI2-NEXT: bzhiq %rsi, %rdi, %rax
|
|
; X64-BMI2-NEXT: # kill: def $sil killed $sil killed $rsi def $rsi
|
|
; X64-BMI2-NEXT: negb %sil
|
|
; X64-BMI2-NEXT: movq $-1, %rcx
|
|
; X64-BMI2-NEXT: shrxq %rsi, %rcx, %rcx
|
|
; X64-BMI2-NEXT: movq %rcx, (%rdx)
|
|
; X64-BMI2-NEXT: retq
|
|
%numhighbits = sub i8 64, %numlowbits
|
|
%sh_prom = zext i8 %numhighbits to i64
|
|
%mask = lshr i64 -1, %sh_prom
|
|
store i64 %mask, i64* %escape
|
|
%masked = and i64 %mask, %val
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_c2_load(i64* %w, i64 %numlowbits, i64* %escape) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_c2_load:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %ebx
|
|
; X86-NOBMI-NEXT: pushl %edi
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: movb $64, %cl
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %edi
|
|
; X86-NOBMI-NEXT: movl $-1, %ebx
|
|
; X86-NOBMI-NEXT: shrl %cl, %ebx
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: je .LBB36_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %ebx, %edi
|
|
; X86-NOBMI-NEXT: xorl %ebx, %ebx
|
|
; X86-NOBMI-NEXT: .LBB36_2:
|
|
; X86-NOBMI-NEXT: movl 4(%eax), %edx
|
|
; X86-NOBMI-NEXT: andl %ebx, %edx
|
|
; X86-NOBMI-NEXT: movl (%eax), %eax
|
|
; X86-NOBMI-NEXT: andl %edi, %eax
|
|
; X86-NOBMI-NEXT: movl %ebx, 4(%esi)
|
|
; X86-NOBMI-NEXT: movl %edi, (%esi)
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: popl %edi
|
|
; X86-NOBMI-NEXT: popl %ebx
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_c2_load:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %ebx
|
|
; X86-BMI1-NEXT: pushl %edi
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: movb $64, %cl
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %edi
|
|
; X86-BMI1-NEXT: movl $-1, %ebx
|
|
; X86-BMI1-NEXT: shrl %cl, %ebx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: je .LBB36_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %ebx, %edi
|
|
; X86-BMI1-NEXT: xorl %ebx, %ebx
|
|
; X86-BMI1-NEXT: .LBB36_2:
|
|
; X86-BMI1-NEXT: movl 4(%eax), %edx
|
|
; X86-BMI1-NEXT: andl %ebx, %edx
|
|
; X86-BMI1-NEXT: movl (%eax), %eax
|
|
; X86-BMI1-NEXT: andl %edi, %eax
|
|
; X86-BMI1-NEXT: movl %ebx, 4(%esi)
|
|
; X86-BMI1-NEXT: movl %edi, (%esi)
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: popl %edi
|
|
; X86-BMI1-NEXT: popl %ebx
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_c2_load:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %edi
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movb $64, %dl
|
|
; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %dl
|
|
; X86-BMI2-NEXT: movl $-1, %esi
|
|
; X86-BMI2-NEXT: shrxl %edx, %esi, %edi
|
|
; X86-BMI2-NEXT: testb $32, %dl
|
|
; X86-BMI2-NEXT: je .LBB36_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %edi, %esi
|
|
; X86-BMI2-NEXT: xorl %edi, %edi
|
|
; X86-BMI2-NEXT: .LBB36_2:
|
|
; X86-BMI2-NEXT: movl 4(%eax), %edx
|
|
; X86-BMI2-NEXT: andl %edi, %edx
|
|
; X86-BMI2-NEXT: movl (%eax), %eax
|
|
; X86-BMI2-NEXT: andl %esi, %eax
|
|
; X86-BMI2-NEXT: movl %edi, 4(%ecx)
|
|
; X86-BMI2-NEXT: movl %esi, (%ecx)
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: popl %edi
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_c2_load:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: movq $-1, %rsi
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shrq %cl, %rsi
|
|
; X64-NOBMI-NEXT: movq (%rdi), %rax
|
|
; X64-NOBMI-NEXT: andq %rsi, %rax
|
|
; X64-NOBMI-NEXT: movq %rsi, (%rdx)
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_c2_load:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: movq %rsi, %rcx
|
|
; X64-BMI1-NEXT: negb %cl
|
|
; X64-BMI1-NEXT: movq $-1, %rsi
|
|
; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-BMI1-NEXT: shrq %cl, %rsi
|
|
; X64-BMI1-NEXT: movq (%rdi), %rax
|
|
; X64-BMI1-NEXT: andq %rsi, %rax
|
|
; X64-BMI1-NEXT: movq %rsi, (%rdx)
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_c2_load:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhiq %rsi, (%rdi), %rax
|
|
; X64-BMI2-NEXT: # kill: def $sil killed $sil killed $rsi def $rsi
|
|
; X64-BMI2-NEXT: negb %sil
|
|
; X64-BMI2-NEXT: movq $-1, %rcx
|
|
; X64-BMI2-NEXT: shrxq %rsi, %rcx, %rcx
|
|
; X64-BMI2-NEXT: movq %rcx, (%rdx)
|
|
; X64-BMI2-NEXT: retq
|
|
%val = load i64, i64* %w
|
|
%numhighbits = sub i64 64, %numlowbits
|
|
%mask = lshr i64 -1, %numhighbits
|
|
store i64 %mask, i64* %escape
|
|
%masked = and i64 %mask, %val
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_c3_load_indexzext(i64* %w, i8 %numlowbits, i64* %escape) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_c3_load_indexzext:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %ebx
|
|
; X86-NOBMI-NEXT: pushl %edi
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: movb $64, %cl
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %edi
|
|
; X86-NOBMI-NEXT: movl $-1, %ebx
|
|
; X86-NOBMI-NEXT: shrl %cl, %ebx
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: je .LBB37_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %ebx, %edi
|
|
; X86-NOBMI-NEXT: xorl %ebx, %ebx
|
|
; X86-NOBMI-NEXT: .LBB37_2:
|
|
; X86-NOBMI-NEXT: movl 4(%eax), %edx
|
|
; X86-NOBMI-NEXT: andl %ebx, %edx
|
|
; X86-NOBMI-NEXT: movl (%eax), %eax
|
|
; X86-NOBMI-NEXT: andl %edi, %eax
|
|
; X86-NOBMI-NEXT: movl %ebx, 4(%esi)
|
|
; X86-NOBMI-NEXT: movl %edi, (%esi)
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: popl %edi
|
|
; X86-NOBMI-NEXT: popl %ebx
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_c3_load_indexzext:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %ebx
|
|
; X86-BMI1-NEXT: pushl %edi
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: movb $64, %cl
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %edi
|
|
; X86-BMI1-NEXT: movl $-1, %ebx
|
|
; X86-BMI1-NEXT: shrl %cl, %ebx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: je .LBB37_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %ebx, %edi
|
|
; X86-BMI1-NEXT: xorl %ebx, %ebx
|
|
; X86-BMI1-NEXT: .LBB37_2:
|
|
; X86-BMI1-NEXT: movl 4(%eax), %edx
|
|
; X86-BMI1-NEXT: andl %ebx, %edx
|
|
; X86-BMI1-NEXT: movl (%eax), %eax
|
|
; X86-BMI1-NEXT: andl %edi, %eax
|
|
; X86-BMI1-NEXT: movl %ebx, 4(%esi)
|
|
; X86-BMI1-NEXT: movl %edi, (%esi)
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: popl %edi
|
|
; X86-BMI1-NEXT: popl %ebx
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_c3_load_indexzext:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %edi
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movb $64, %dl
|
|
; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %dl
|
|
; X86-BMI2-NEXT: movl $-1, %esi
|
|
; X86-BMI2-NEXT: shrxl %edx, %esi, %edi
|
|
; X86-BMI2-NEXT: testb $32, %dl
|
|
; X86-BMI2-NEXT: je .LBB37_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %edi, %esi
|
|
; X86-BMI2-NEXT: xorl %edi, %edi
|
|
; X86-BMI2-NEXT: .LBB37_2:
|
|
; X86-BMI2-NEXT: movl 4(%eax), %edx
|
|
; X86-BMI2-NEXT: andl %edi, %edx
|
|
; X86-BMI2-NEXT: movl (%eax), %eax
|
|
; X86-BMI2-NEXT: andl %esi, %eax
|
|
; X86-BMI2-NEXT: movl %edi, 4(%ecx)
|
|
; X86-BMI2-NEXT: movl %esi, (%ecx)
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: popl %edi
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_c3_load_indexzext:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: movq $-1, %rsi
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrq %cl, %rsi
|
|
; X64-NOBMI-NEXT: movq (%rdi), %rax
|
|
; X64-NOBMI-NEXT: andq %rsi, %rax
|
|
; X64-NOBMI-NEXT: movq %rsi, (%rdx)
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_c3_load_indexzext:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: movl %esi, %ecx
|
|
; X64-BMI1-NEXT: negb %cl
|
|
; X64-BMI1-NEXT: movq $-1, %rsi
|
|
; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-BMI1-NEXT: shrq %cl, %rsi
|
|
; X64-BMI1-NEXT: movq (%rdi), %rax
|
|
; X64-BMI1-NEXT: andq %rsi, %rax
|
|
; X64-BMI1-NEXT: movq %rsi, (%rdx)
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_c3_load_indexzext:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-BMI2-NEXT: bzhiq %rsi, (%rdi), %rax
|
|
; X64-BMI2-NEXT: # kill: def $sil killed $sil killed $rsi def $rsi
|
|
; X64-BMI2-NEXT: negb %sil
|
|
; X64-BMI2-NEXT: movq $-1, %rcx
|
|
; X64-BMI2-NEXT: shrxq %rsi, %rcx, %rcx
|
|
; X64-BMI2-NEXT: movq %rcx, (%rdx)
|
|
; X64-BMI2-NEXT: retq
|
|
%val = load i64, i64* %w
|
|
%numhighbits = sub i8 64, %numlowbits
|
|
%sh_prom = zext i8 %numhighbits to i64
|
|
%mask = lshr i64 -1, %sh_prom
|
|
store i64 %mask, i64* %escape
|
|
%masked = and i64 %mask, %val
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_c4_commutative(i64 %val, i64 %numlowbits, i64* %escape) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_c4_commutative:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-NOBMI-NEXT: movb $64, %cl
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %eax
|
|
; X86-NOBMI-NEXT: movl $-1, %edx
|
|
; X86-NOBMI-NEXT: shrl %cl, %edx
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: je .LBB38_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %edx, %eax
|
|
; X86-NOBMI-NEXT: xorl %edx, %edx
|
|
; X86-NOBMI-NEXT: .LBB38_2:
|
|
; X86-NOBMI-NEXT: movl %edx, 4(%esi)
|
|
; X86-NOBMI-NEXT: movl %eax, (%esi)
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_c4_commutative:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI1-NEXT: movb $64, %cl
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %eax
|
|
; X86-BMI1-NEXT: movl $-1, %edx
|
|
; X86-BMI1-NEXT: shrl %cl, %edx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: je .LBB38_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %edx, %eax
|
|
; X86-BMI1-NEXT: xorl %edx, %edx
|
|
; X86-BMI1-NEXT: .LBB38_2:
|
|
; X86-BMI1-NEXT: movl %edx, 4(%esi)
|
|
; X86-BMI1-NEXT: movl %eax, (%esi)
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_c4_commutative:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %ebx
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-BMI2-NEXT: movb $64, %bl
|
|
; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %bl
|
|
; X86-BMI2-NEXT: movl $-1, %eax
|
|
; X86-BMI2-NEXT: shrxl %ebx, %eax, %edx
|
|
; X86-BMI2-NEXT: testb $32, %bl
|
|
; X86-BMI2-NEXT: je .LBB38_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %edx, %eax
|
|
; X86-BMI2-NEXT: xorl %edx, %edx
|
|
; X86-BMI2-NEXT: .LBB38_2:
|
|
; X86-BMI2-NEXT: movl %edx, 4(%ecx)
|
|
; X86-BMI2-NEXT: movl %eax, (%ecx)
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI2-NEXT: popl %ebx
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_c4_commutative:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: movq $-1, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shrq %cl, %rax
|
|
; X64-NOBMI-NEXT: movq %rax, (%rdx)
|
|
; X64-NOBMI-NEXT: andq %rdi, %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_c4_commutative:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: movq %rsi, %rcx
|
|
; X64-BMI1-NEXT: negb %cl
|
|
; X64-BMI1-NEXT: movq $-1, %rax
|
|
; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-BMI1-NEXT: shrq %cl, %rax
|
|
; X64-BMI1-NEXT: movq %rax, (%rdx)
|
|
; X64-BMI1-NEXT: andq %rdi, %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_c4_commutative:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhiq %rsi, %rdi, %rax
|
|
; X64-BMI2-NEXT: # kill: def $sil killed $sil killed $rsi def $rsi
|
|
; X64-BMI2-NEXT: negb %sil
|
|
; X64-BMI2-NEXT: movq $-1, %rcx
|
|
; X64-BMI2-NEXT: shrxq %rsi, %rcx, %rcx
|
|
; X64-BMI2-NEXT: movq %rcx, (%rdx)
|
|
; X64-BMI2-NEXT: retq
|
|
%numhighbits = sub i64 64, %numlowbits
|
|
%mask = lshr i64 -1, %numhighbits
|
|
store i64 %mask, i64* %escape
|
|
%masked = and i64 %val, %mask ; swapped order
|
|
ret i64 %masked
|
|
}
|
|
|
|
; 64-bit, but with 32-bit output
|
|
|
|
; Everything done in 64-bit, truncation happens last.
|
|
define i32 @bzhi64_32_c0(i64 %val, i64 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_32_c0:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movb $64, %cl
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl $-1, %eax
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: jne .LBB39_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl $-1, %eax
|
|
; X86-NOBMI-NEXT: .LBB39_2:
|
|
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_32_c0:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb $64, %cl
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl $-1, %eax
|
|
; X86-BMI1-NEXT: shrl %cl, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: jne .LBB39_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl $-1, %eax
|
|
; X86-BMI1-NEXT: .LBB39_2:
|
|
; X86-BMI1-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_32_c0:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb $64, %cl
|
|
; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: movl $-1, %eax
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: je .LBB39_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: shrxl %ecx, %eax, %eax
|
|
; X86-BMI2-NEXT: .LBB39_2:
|
|
; X86-BMI2-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_32_c0:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: movq $-1, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shrq %cl, %rax
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_32_c0:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_32_c0:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%numhighbits = sub i64 64, %numlowbits
|
|
%mask = lshr i64 -1, %numhighbits
|
|
%masked = and i64 %mask, %val
|
|
%res = trunc i64 %masked to i32
|
|
ret i32 %res
|
|
}
|
|
|
|
; Shifting happens in 64-bit, then truncation. Masking is 32-bit.
|
|
define i32 @bzhi64_32_c1(i64 %val, i32 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_32_c1:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: xorl %ecx, %ecx
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_32_c1:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI1-NEXT: shll $8, %eax
|
|
; X86-BMI1-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_32_c1:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: bzhil %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_32_c1:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movq %rdi, %rax
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrl %cl, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_32_c1:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_32_c1:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%truncval = trunc i64 %val to i32
|
|
%numhighbits = sub i32 32, %numlowbits
|
|
%mask = lshr i32 -1, %numhighbits
|
|
%masked = and i32 %mask, %truncval
|
|
ret i32 %masked
|
|
}
|
|
|
|
; Shifting happens in 64-bit. Mask is 32-bit, but extended to 64-bit.
|
|
; Masking is 64-bit. Then truncation.
|
|
define i32 @bzhi64_32_c2(i64 %val, i32 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_32_c2:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: xorl %ecx, %ecx
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_32_c2:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI1-NEXT: shll $8, %eax
|
|
; X86-BMI1-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_32_c2:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: bzhil %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_32_c2:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movq %rdi, %rax
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrl %cl, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_32_c2:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_32_c2:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%numhighbits = sub i32 32, %numlowbits
|
|
%mask = lshr i32 -1, %numhighbits
|
|
%zextmask = zext i32 %mask to i64
|
|
%masked = and i64 %zextmask, %val
|
|
%truncmasked = trunc i64 %masked to i32
|
|
ret i32 %truncmasked
|
|
}
|
|
|
|
; Shifting happens in 64-bit. Mask is 32-bit, but calculated in 64-bit.
|
|
; Masking is 64-bit. Then truncation.
|
|
define i32 @bzhi64_32_c3(i64 %val, i64 %numlowbits) nounwind {
|
|
; X86-LABEL: bzhi64_32_c3:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movb $64, %cl
|
|
; X86-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NEXT: xorl %eax, %eax
|
|
; X86-NEXT: movl $-1, %edx
|
|
; X86-NEXT: shrdl %cl, %eax, %edx
|
|
; X86-NEXT: testb $32, %cl
|
|
; X86-NEXT: jne .LBB42_2
|
|
; X86-NEXT: # %bb.1:
|
|
; X86-NEXT: movl %edx, %eax
|
|
; X86-NEXT: .LBB42_2:
|
|
; X86-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_32_c3:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: movl $4294967295, %eax # imm = 0xFFFFFFFF
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shrq %cl, %rax
|
|
; X64-NOBMI-NEXT: andl %edi, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_32_c3:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: movq %rsi, %rcx
|
|
; X64-BMI1-NEXT: negb %cl
|
|
; X64-BMI1-NEXT: movl $4294967295, %eax # imm = 0xFFFFFFFF
|
|
; X64-BMI1-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-BMI1-NEXT: shrq %cl, %rax
|
|
; X64-BMI1-NEXT: andl %edi, %eax
|
|
; X64-BMI1-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_32_c3:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: negb %sil
|
|
; X64-BMI2-NEXT: movl $4294967295, %eax # imm = 0xFFFFFFFF
|
|
; X64-BMI2-NEXT: shrxq %rsi, %rax, %rax
|
|
; X64-BMI2-NEXT: andl %edi, %eax
|
|
; X64-BMI2-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; X64-BMI2-NEXT: retq
|
|
%numhighbits = sub i64 64, %numlowbits
|
|
%mask = lshr i64 4294967295, %numhighbits
|
|
%masked = and i64 %mask, %val
|
|
%truncmasked = trunc i64 %masked to i32
|
|
ret i32 %truncmasked
|
|
}
|
|
|
|
; ---------------------------------------------------------------------------- ;
|
|
; Pattern d. 32-bit.
|
|
; ---------------------------------------------------------------------------- ;
|
|
|
|
define i32 @bzhi32_d0(i32 %val, i32 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi32_d0:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: xorl %ecx, %ecx
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi32_d0:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI1-NEXT: shll $8, %eax
|
|
; X86-BMI1-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi32_d0:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: bzhil %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi32_d0:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl %edi, %eax
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrl %cl, %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi32_d0:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi32_d0:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%numhighbits = sub i32 32, %numlowbits
|
|
%highbitscleared = shl i32 %val, %numhighbits
|
|
%masked = lshr i32 %highbitscleared, %numhighbits
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_d1_indexzext(i32 %val, i8 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi32_d1_indexzext:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: xorl %ecx, %ecx
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi32_d1_indexzext:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI1-NEXT: shll $8, %eax
|
|
; X86-BMI1-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi32_d1_indexzext:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: bzhil %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi32_d1_indexzext:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl %edi, %eax
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrl %cl, %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi32_d1_indexzext:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi32_d1_indexzext:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%numhighbits = sub i8 32, %numlowbits
|
|
%sh_prom = zext i8 %numhighbits to i32
|
|
%highbitscleared = shl i32 %val, %sh_prom
|
|
%masked = lshr i32 %highbitscleared, %sh_prom
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_d2_load(i32* %w, i32 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi32_d2_load:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: movl (%eax), %eax
|
|
; X86-NOBMI-NEXT: xorl %ecx, %ecx
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi32_d2_load:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: shll $8, %ecx
|
|
; X86-BMI1-NEXT: bextrl %ecx, (%eax), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi32_d2_load:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: bzhil %ecx, (%eax), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi32_d2_load:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl (%rdi), %eax
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrl %cl, %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi32_d2_load:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, (%rdi), %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi32_d2_load:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, (%rdi), %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%val = load i32, i32* %w
|
|
%numhighbits = sub i32 32, %numlowbits
|
|
%highbitscleared = shl i32 %val, %numhighbits
|
|
%masked = lshr i32 %highbitscleared, %numhighbits
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_d3_load_indexzext(i32* %w, i8 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi32_d3_load_indexzext:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: movl (%eax), %eax
|
|
; X86-NOBMI-NEXT: xorl %ecx, %ecx
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi32_d3_load_indexzext:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: shll $8, %ecx
|
|
; X86-BMI1-NEXT: bextrl %ecx, (%eax), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi32_d3_load_indexzext:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: bzhil %ecx, (%eax), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi32_d3_load_indexzext:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movl (%rdi), %eax
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrl %cl, %eax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi32_d3_load_indexzext:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, (%rdi), %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi32_d3_load_indexzext:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, (%rdi), %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%val = load i32, i32* %w
|
|
%numhighbits = sub i8 32, %numlowbits
|
|
%sh_prom = zext i8 %numhighbits to i32
|
|
%highbitscleared = shl i32 %val, %sh_prom
|
|
%masked = lshr i32 %highbitscleared, %sh_prom
|
|
ret i32 %masked
|
|
}
|
|
|
|
; 64-bit.
|
|
|
|
define i64 @bzhi64_d0(i64 %val, i64 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_d0:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %ebx
|
|
; X86-NOBMI-NEXT: pushl %edi
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: movb $64, %cl
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl %edx, %esi
|
|
; X86-NOBMI-NEXT: shll %cl, %esi
|
|
; X86-NOBMI-NEXT: shldl %cl, %edx, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: movl %esi, %edi
|
|
; X86-NOBMI-NEXT: jne .LBB47_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %eax, %edi
|
|
; X86-NOBMI-NEXT: .LBB47_2:
|
|
; X86-NOBMI-NEXT: movl %edi, %eax
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: xorl %ebx, %ebx
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: movl $0, %edx
|
|
; X86-NOBMI-NEXT: jne .LBB47_4
|
|
; X86-NOBMI-NEXT: # %bb.3:
|
|
; X86-NOBMI-NEXT: movl %esi, %ebx
|
|
; X86-NOBMI-NEXT: movl %eax, %edx
|
|
; X86-NOBMI-NEXT: .LBB47_4:
|
|
; X86-NOBMI-NEXT: shrdl %cl, %edi, %ebx
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: jne .LBB47_6
|
|
; X86-NOBMI-NEXT: # %bb.5:
|
|
; X86-NOBMI-NEXT: movl %ebx, %eax
|
|
; X86-NOBMI-NEXT: .LBB47_6:
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: popl %edi
|
|
; X86-NOBMI-NEXT: popl %ebx
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_d0:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %ebx
|
|
; X86-BMI1-NEXT: pushl %edi
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: movb $64, %cl
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl %edx, %esi
|
|
; X86-BMI1-NEXT: shll %cl, %esi
|
|
; X86-BMI1-NEXT: shldl %cl, %edx, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: movl %esi, %edi
|
|
; X86-BMI1-NEXT: jne .LBB47_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %eax, %edi
|
|
; X86-BMI1-NEXT: .LBB47_2:
|
|
; X86-BMI1-NEXT: movl %edi, %eax
|
|
; X86-BMI1-NEXT: shrl %cl, %eax
|
|
; X86-BMI1-NEXT: xorl %ebx, %ebx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: movl $0, %edx
|
|
; X86-BMI1-NEXT: jne .LBB47_4
|
|
; X86-BMI1-NEXT: # %bb.3:
|
|
; X86-BMI1-NEXT: movl %esi, %ebx
|
|
; X86-BMI1-NEXT: movl %eax, %edx
|
|
; X86-BMI1-NEXT: .LBB47_4:
|
|
; X86-BMI1-NEXT: shrdl %cl, %edi, %ebx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: jne .LBB47_6
|
|
; X86-BMI1-NEXT: # %bb.5:
|
|
; X86-BMI1-NEXT: movl %ebx, %eax
|
|
; X86-BMI1-NEXT: .LBB47_6:
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: popl %edi
|
|
; X86-BMI1-NEXT: popl %ebx
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_d0:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %edi
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI2-NEXT: movb $64, %cl
|
|
; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: shldl %cl, %eax, %esi
|
|
; X86-BMI2-NEXT: shlxl %ecx, %eax, %edi
|
|
; X86-BMI2-NEXT: xorl %edx, %edx
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: je .LBB47_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %edi, %esi
|
|
; X86-BMI2-NEXT: movl $0, %edi
|
|
; X86-BMI2-NEXT: .LBB47_2:
|
|
; X86-BMI2-NEXT: shrxl %ecx, %esi, %eax
|
|
; X86-BMI2-NEXT: jne .LBB47_4
|
|
; X86-BMI2-NEXT: # %bb.3:
|
|
; X86-BMI2-NEXT: movl %eax, %edx
|
|
; X86-BMI2-NEXT: .LBB47_4:
|
|
; X86-BMI2-NEXT: shrdl %cl, %esi, %edi
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: jne .LBB47_6
|
|
; X86-BMI2-NEXT: # %bb.5:
|
|
; X86-BMI2-NEXT: movl %edi, %eax
|
|
; X86-BMI2-NEXT: .LBB47_6:
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: popl %edi
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_d0:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: movq %rdi, %rax
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shrq %cl, %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_d0:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrq %rsi, %rdi, %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_d0:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhiq %rsi, %rdi, %rax
|
|
; X64-BMI2-NEXT: retq
|
|
%numhighbits = sub i64 64, %numlowbits
|
|
%highbitscleared = shl i64 %val, %numhighbits
|
|
%masked = lshr i64 %highbitscleared, %numhighbits
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_d1_indexzext(i64 %val, i8 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_d1_indexzext:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %ebx
|
|
; X86-NOBMI-NEXT: pushl %edi
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: movb $64, %cl
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl %edx, %esi
|
|
; X86-NOBMI-NEXT: shll %cl, %esi
|
|
; X86-NOBMI-NEXT: shldl %cl, %edx, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: movl %esi, %edi
|
|
; X86-NOBMI-NEXT: jne .LBB48_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %eax, %edi
|
|
; X86-NOBMI-NEXT: .LBB48_2:
|
|
; X86-NOBMI-NEXT: movl %edi, %eax
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: xorl %ebx, %ebx
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: movl $0, %edx
|
|
; X86-NOBMI-NEXT: jne .LBB48_4
|
|
; X86-NOBMI-NEXT: # %bb.3:
|
|
; X86-NOBMI-NEXT: movl %esi, %ebx
|
|
; X86-NOBMI-NEXT: movl %eax, %edx
|
|
; X86-NOBMI-NEXT: .LBB48_4:
|
|
; X86-NOBMI-NEXT: shrdl %cl, %edi, %ebx
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: jne .LBB48_6
|
|
; X86-NOBMI-NEXT: # %bb.5:
|
|
; X86-NOBMI-NEXT: movl %ebx, %eax
|
|
; X86-NOBMI-NEXT: .LBB48_6:
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: popl %edi
|
|
; X86-NOBMI-NEXT: popl %ebx
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_d1_indexzext:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %ebx
|
|
; X86-BMI1-NEXT: pushl %edi
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: movb $64, %cl
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl %edx, %esi
|
|
; X86-BMI1-NEXT: shll %cl, %esi
|
|
; X86-BMI1-NEXT: shldl %cl, %edx, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: movl %esi, %edi
|
|
; X86-BMI1-NEXT: jne .LBB48_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %eax, %edi
|
|
; X86-BMI1-NEXT: .LBB48_2:
|
|
; X86-BMI1-NEXT: movl %edi, %eax
|
|
; X86-BMI1-NEXT: shrl %cl, %eax
|
|
; X86-BMI1-NEXT: xorl %ebx, %ebx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: movl $0, %edx
|
|
; X86-BMI1-NEXT: jne .LBB48_4
|
|
; X86-BMI1-NEXT: # %bb.3:
|
|
; X86-BMI1-NEXT: movl %esi, %ebx
|
|
; X86-BMI1-NEXT: movl %eax, %edx
|
|
; X86-BMI1-NEXT: .LBB48_4:
|
|
; X86-BMI1-NEXT: shrdl %cl, %edi, %ebx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: jne .LBB48_6
|
|
; X86-BMI1-NEXT: # %bb.5:
|
|
; X86-BMI1-NEXT: movl %ebx, %eax
|
|
; X86-BMI1-NEXT: .LBB48_6:
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: popl %edi
|
|
; X86-BMI1-NEXT: popl %ebx
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_d1_indexzext:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %edi
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI2-NEXT: movb $64, %cl
|
|
; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: shldl %cl, %eax, %esi
|
|
; X86-BMI2-NEXT: shlxl %ecx, %eax, %edi
|
|
; X86-BMI2-NEXT: xorl %edx, %edx
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: je .LBB48_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %edi, %esi
|
|
; X86-BMI2-NEXT: movl $0, %edi
|
|
; X86-BMI2-NEXT: .LBB48_2:
|
|
; X86-BMI2-NEXT: shrxl %ecx, %esi, %eax
|
|
; X86-BMI2-NEXT: jne .LBB48_4
|
|
; X86-BMI2-NEXT: # %bb.3:
|
|
; X86-BMI2-NEXT: movl %eax, %edx
|
|
; X86-BMI2-NEXT: .LBB48_4:
|
|
; X86-BMI2-NEXT: shrdl %cl, %esi, %edi
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: jne .LBB48_6
|
|
; X86-BMI2-NEXT: # %bb.5:
|
|
; X86-BMI2-NEXT: movl %edi, %eax
|
|
; X86-BMI2-NEXT: .LBB48_6:
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: popl %edi
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_d1_indexzext:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movq %rdi, %rax
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrq %cl, %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_d1_indexzext:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrq %rsi, %rdi, %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_d1_indexzext:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-BMI2-NEXT: bzhiq %rsi, %rdi, %rax
|
|
; X64-BMI2-NEXT: retq
|
|
%numhighbits = sub i8 64, %numlowbits
|
|
%sh_prom = zext i8 %numhighbits to i64
|
|
%highbitscleared = shl i64 %val, %sh_prom
|
|
%masked = lshr i64 %highbitscleared, %sh_prom
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_d2_load(i64* %w, i64 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_d2_load:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %ebx
|
|
; X86-NOBMI-NEXT: pushl %edi
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: movl (%eax), %edx
|
|
; X86-NOBMI-NEXT: movl 4(%eax), %eax
|
|
; X86-NOBMI-NEXT: movb $64, %cl
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl %edx, %esi
|
|
; X86-NOBMI-NEXT: shll %cl, %esi
|
|
; X86-NOBMI-NEXT: shldl %cl, %edx, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: movl %esi, %edi
|
|
; X86-NOBMI-NEXT: jne .LBB49_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %eax, %edi
|
|
; X86-NOBMI-NEXT: .LBB49_2:
|
|
; X86-NOBMI-NEXT: movl %edi, %eax
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: xorl %ebx, %ebx
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: movl $0, %edx
|
|
; X86-NOBMI-NEXT: jne .LBB49_4
|
|
; X86-NOBMI-NEXT: # %bb.3:
|
|
; X86-NOBMI-NEXT: movl %esi, %ebx
|
|
; X86-NOBMI-NEXT: movl %eax, %edx
|
|
; X86-NOBMI-NEXT: .LBB49_4:
|
|
; X86-NOBMI-NEXT: shrdl %cl, %edi, %ebx
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: jne .LBB49_6
|
|
; X86-NOBMI-NEXT: # %bb.5:
|
|
; X86-NOBMI-NEXT: movl %ebx, %eax
|
|
; X86-NOBMI-NEXT: .LBB49_6:
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: popl %edi
|
|
; X86-NOBMI-NEXT: popl %ebx
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_d2_load:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %ebx
|
|
; X86-BMI1-NEXT: pushl %edi
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: movl (%eax), %edx
|
|
; X86-BMI1-NEXT: movl 4(%eax), %eax
|
|
; X86-BMI1-NEXT: movb $64, %cl
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl %edx, %esi
|
|
; X86-BMI1-NEXT: shll %cl, %esi
|
|
; X86-BMI1-NEXT: shldl %cl, %edx, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: movl %esi, %edi
|
|
; X86-BMI1-NEXT: jne .LBB49_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %eax, %edi
|
|
; X86-BMI1-NEXT: .LBB49_2:
|
|
; X86-BMI1-NEXT: movl %edi, %eax
|
|
; X86-BMI1-NEXT: shrl %cl, %eax
|
|
; X86-BMI1-NEXT: xorl %ebx, %ebx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: movl $0, %edx
|
|
; X86-BMI1-NEXT: jne .LBB49_4
|
|
; X86-BMI1-NEXT: # %bb.3:
|
|
; X86-BMI1-NEXT: movl %esi, %ebx
|
|
; X86-BMI1-NEXT: movl %eax, %edx
|
|
; X86-BMI1-NEXT: .LBB49_4:
|
|
; X86-BMI1-NEXT: shrdl %cl, %edi, %ebx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: jne .LBB49_6
|
|
; X86-BMI1-NEXT: # %bb.5:
|
|
; X86-BMI1-NEXT: movl %ebx, %eax
|
|
; X86-BMI1-NEXT: .LBB49_6:
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: popl %edi
|
|
; X86-BMI1-NEXT: popl %ebx
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_d2_load:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %edi
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movl (%eax), %edx
|
|
; X86-BMI2-NEXT: movl 4(%eax), %esi
|
|
; X86-BMI2-NEXT: movb $64, %cl
|
|
; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: shldl %cl, %edx, %esi
|
|
; X86-BMI2-NEXT: shlxl %ecx, %edx, %edi
|
|
; X86-BMI2-NEXT: xorl %edx, %edx
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: je .LBB49_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %edi, %esi
|
|
; X86-BMI2-NEXT: movl $0, %edi
|
|
; X86-BMI2-NEXT: .LBB49_2:
|
|
; X86-BMI2-NEXT: shrxl %ecx, %esi, %eax
|
|
; X86-BMI2-NEXT: jne .LBB49_4
|
|
; X86-BMI2-NEXT: # %bb.3:
|
|
; X86-BMI2-NEXT: movl %eax, %edx
|
|
; X86-BMI2-NEXT: .LBB49_4:
|
|
; X86-BMI2-NEXT: shrdl %cl, %esi, %edi
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: jne .LBB49_6
|
|
; X86-BMI2-NEXT: # %bb.5:
|
|
; X86-BMI2-NEXT: movl %edi, %eax
|
|
; X86-BMI2-NEXT: .LBB49_6:
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: popl %edi
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_d2_load:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: movq (%rdi), %rax
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shrq %cl, %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_d2_load:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrq %rsi, (%rdi), %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_d2_load:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhiq %rsi, (%rdi), %rax
|
|
; X64-BMI2-NEXT: retq
|
|
%val = load i64, i64* %w
|
|
%numhighbits = sub i64 64, %numlowbits
|
|
%highbitscleared = shl i64 %val, %numhighbits
|
|
%masked = lshr i64 %highbitscleared, %numhighbits
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_d3_load_indexzext(i64* %w, i8 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_d3_load_indexzext:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %ebx
|
|
; X86-NOBMI-NEXT: pushl %edi
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: movl (%eax), %edx
|
|
; X86-NOBMI-NEXT: movl 4(%eax), %eax
|
|
; X86-NOBMI-NEXT: movb $64, %cl
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl %edx, %esi
|
|
; X86-NOBMI-NEXT: shll %cl, %esi
|
|
; X86-NOBMI-NEXT: shldl %cl, %edx, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: movl %esi, %edi
|
|
; X86-NOBMI-NEXT: jne .LBB50_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %eax, %edi
|
|
; X86-NOBMI-NEXT: .LBB50_2:
|
|
; X86-NOBMI-NEXT: movl %edi, %eax
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: xorl %ebx, %ebx
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: movl $0, %edx
|
|
; X86-NOBMI-NEXT: jne .LBB50_4
|
|
; X86-NOBMI-NEXT: # %bb.3:
|
|
; X86-NOBMI-NEXT: movl %esi, %ebx
|
|
; X86-NOBMI-NEXT: movl %eax, %edx
|
|
; X86-NOBMI-NEXT: .LBB50_4:
|
|
; X86-NOBMI-NEXT: shrdl %cl, %edi, %ebx
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: jne .LBB50_6
|
|
; X86-NOBMI-NEXT: # %bb.5:
|
|
; X86-NOBMI-NEXT: movl %ebx, %eax
|
|
; X86-NOBMI-NEXT: .LBB50_6:
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: popl %edi
|
|
; X86-NOBMI-NEXT: popl %ebx
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_d3_load_indexzext:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %ebx
|
|
; X86-BMI1-NEXT: pushl %edi
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: movl (%eax), %edx
|
|
; X86-BMI1-NEXT: movl 4(%eax), %eax
|
|
; X86-BMI1-NEXT: movb $64, %cl
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl %edx, %esi
|
|
; X86-BMI1-NEXT: shll %cl, %esi
|
|
; X86-BMI1-NEXT: shldl %cl, %edx, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: movl %esi, %edi
|
|
; X86-BMI1-NEXT: jne .LBB50_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %eax, %edi
|
|
; X86-BMI1-NEXT: .LBB50_2:
|
|
; X86-BMI1-NEXT: movl %edi, %eax
|
|
; X86-BMI1-NEXT: shrl %cl, %eax
|
|
; X86-BMI1-NEXT: xorl %ebx, %ebx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: movl $0, %edx
|
|
; X86-BMI1-NEXT: jne .LBB50_4
|
|
; X86-BMI1-NEXT: # %bb.3:
|
|
; X86-BMI1-NEXT: movl %esi, %ebx
|
|
; X86-BMI1-NEXT: movl %eax, %edx
|
|
; X86-BMI1-NEXT: .LBB50_4:
|
|
; X86-BMI1-NEXT: shrdl %cl, %edi, %ebx
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: jne .LBB50_6
|
|
; X86-BMI1-NEXT: # %bb.5:
|
|
; X86-BMI1-NEXT: movl %ebx, %eax
|
|
; X86-BMI1-NEXT: .LBB50_6:
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: popl %edi
|
|
; X86-BMI1-NEXT: popl %ebx
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_d3_load_indexzext:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: pushl %edi
|
|
; X86-BMI2-NEXT: pushl %esi
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movl (%eax), %edx
|
|
; X86-BMI2-NEXT: movl 4(%eax), %esi
|
|
; X86-BMI2-NEXT: movb $64, %cl
|
|
; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: shldl %cl, %edx, %esi
|
|
; X86-BMI2-NEXT: shlxl %ecx, %edx, %edi
|
|
; X86-BMI2-NEXT: xorl %edx, %edx
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: je .LBB50_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %edi, %esi
|
|
; X86-BMI2-NEXT: movl $0, %edi
|
|
; X86-BMI2-NEXT: .LBB50_2:
|
|
; X86-BMI2-NEXT: shrxl %ecx, %esi, %eax
|
|
; X86-BMI2-NEXT: jne .LBB50_4
|
|
; X86-BMI2-NEXT: # %bb.3:
|
|
; X86-BMI2-NEXT: movl %eax, %edx
|
|
; X86-BMI2-NEXT: .LBB50_4:
|
|
; X86-BMI2-NEXT: shrdl %cl, %esi, %edi
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: jne .LBB50_6
|
|
; X86-BMI2-NEXT: # %bb.5:
|
|
; X86-BMI2-NEXT: movl %edi, %eax
|
|
; X86-BMI2-NEXT: .LBB50_6:
|
|
; X86-BMI2-NEXT: popl %esi
|
|
; X86-BMI2-NEXT: popl %edi
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_d3_load_indexzext:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movq (%rdi), %rax
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrq %cl, %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_d3_load_indexzext:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrq %rsi, (%rdi), %rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_d3_load_indexzext:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: # kill: def $esi killed $esi def $rsi
|
|
; X64-BMI2-NEXT: bzhiq %rsi, (%rdi), %rax
|
|
; X64-BMI2-NEXT: retq
|
|
%val = load i64, i64* %w
|
|
%numhighbits = sub i8 64, %numlowbits
|
|
%sh_prom = zext i8 %numhighbits to i64
|
|
%highbitscleared = shl i64 %val, %sh_prom
|
|
%masked = lshr i64 %highbitscleared, %sh_prom
|
|
ret i64 %masked
|
|
}
|
|
|
|
; 64-bit, but with 32-bit output
|
|
|
|
; Everything done in 64-bit, truncation happens last.
|
|
define i32 @bzhi64_32_d0(i64 %val, i64 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_32_d0:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: pushl %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: movb $64, %cl
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: movl %esi, %edx
|
|
; X86-NOBMI-NEXT: shll %cl, %edx
|
|
; X86-NOBMI-NEXT: shldl %cl, %esi, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: je .LBB51_2
|
|
; X86-NOBMI-NEXT: # %bb.1:
|
|
; X86-NOBMI-NEXT: movl %edx, %eax
|
|
; X86-NOBMI-NEXT: xorl %edx, %edx
|
|
; X86-NOBMI-NEXT: .LBB51_2:
|
|
; X86-NOBMI-NEXT: shrdl %cl, %eax, %edx
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: testb $32, %cl
|
|
; X86-NOBMI-NEXT: jne .LBB51_4
|
|
; X86-NOBMI-NEXT: # %bb.3:
|
|
; X86-NOBMI-NEXT: movl %edx, %eax
|
|
; X86-NOBMI-NEXT: .LBB51_4:
|
|
; X86-NOBMI-NEXT: popl %esi
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_32_d0:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: pushl %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X86-BMI1-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: movb $64, %cl
|
|
; X86-BMI1-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI1-NEXT: movl %esi, %edx
|
|
; X86-BMI1-NEXT: shll %cl, %edx
|
|
; X86-BMI1-NEXT: shldl %cl, %esi, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: je .LBB51_2
|
|
; X86-BMI1-NEXT: # %bb.1:
|
|
; X86-BMI1-NEXT: movl %edx, %eax
|
|
; X86-BMI1-NEXT: xorl %edx, %edx
|
|
; X86-BMI1-NEXT: .LBB51_2:
|
|
; X86-BMI1-NEXT: shrdl %cl, %eax, %edx
|
|
; X86-BMI1-NEXT: shrl %cl, %eax
|
|
; X86-BMI1-NEXT: testb $32, %cl
|
|
; X86-BMI1-NEXT: jne .LBB51_4
|
|
; X86-BMI1-NEXT: # %bb.3:
|
|
; X86-BMI1-NEXT: movl %edx, %eax
|
|
; X86-BMI1-NEXT: .LBB51_4:
|
|
; X86-BMI1-NEXT: popl %esi
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_32_d0:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; X86-BMI2-NEXT: movb $64, %cl
|
|
; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-BMI2-NEXT: shldl %cl, %eax, %edx
|
|
; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: je .LBB51_2
|
|
; X86-BMI2-NEXT: # %bb.1:
|
|
; X86-BMI2-NEXT: movl %eax, %edx
|
|
; X86-BMI2-NEXT: xorl %eax, %eax
|
|
; X86-BMI2-NEXT: .LBB51_2:
|
|
; X86-BMI2-NEXT: shrdl %cl, %edx, %eax
|
|
; X86-BMI2-NEXT: testb $32, %cl
|
|
; X86-BMI2-NEXT: je .LBB51_4
|
|
; X86-BMI2-NEXT: # %bb.3:
|
|
; X86-BMI2-NEXT: shrxl %ecx, %edx, %eax
|
|
; X86-BMI2-NEXT: .LBB51_4:
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_32_d0:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movq %rsi, %rcx
|
|
; X64-NOBMI-NEXT: movq %rdi, %rax
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: shlq %cl, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
|
|
; X64-NOBMI-NEXT: shrq %cl, %rax
|
|
; X64-NOBMI-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_32_d0:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrq %rsi, %rdi, %rax
|
|
; X64-BMI1-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_32_d0:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhiq %rsi, %rdi, %rax
|
|
; X64-BMI2-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; X64-BMI2-NEXT: retq
|
|
%numhighbits = sub i64 64, %numlowbits
|
|
%highbitscleared = shl i64 %val, %numhighbits
|
|
%masked = lshr i64 %highbitscleared, %numhighbits
|
|
%res = trunc i64 %masked to i32
|
|
ret i32 %res
|
|
}
|
|
|
|
; Shifting happens in 64-bit, then truncation. Masking is 32-bit.
|
|
define i32 @bzhi64_32_d1(i64 %val, i32 %numlowbits) nounwind {
|
|
; X86-NOBMI-LABEL: bzhi64_32_d1:
|
|
; X86-NOBMI: # %bb.0:
|
|
; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NOBMI-NEXT: xorl %ecx, %ecx
|
|
; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
|
|
; X86-NOBMI-NEXT: shll %cl, %eax
|
|
; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X86-NOBMI-NEXT: shrl %cl, %eax
|
|
; X86-NOBMI-NEXT: retl
|
|
;
|
|
; X86-BMI1-LABEL: bzhi64_32_d1:
|
|
; X86-BMI1: # %bb.0:
|
|
; X86-BMI1-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI1-NEXT: shll $8, %eax
|
|
; X86-BMI1-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI1-NEXT: retl
|
|
;
|
|
; X86-BMI2-LABEL: bzhi64_32_d1:
|
|
; X86-BMI2: # %bb.0:
|
|
; X86-BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
|
|
; X86-BMI2-NEXT: bzhil %eax, {{[0-9]+}}(%esp), %eax
|
|
; X86-BMI2-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_32_d1:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movl %esi, %ecx
|
|
; X64-NOBMI-NEXT: movq %rdi, %rax
|
|
; X64-NOBMI-NEXT: negb %cl
|
|
; X64-NOBMI-NEXT: shll %cl, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
|
|
; X64-NOBMI-NEXT: shrl %cl, %eax
|
|
; X64-NOBMI-NEXT: # kill: def $eax killed $eax killed $rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1-LABEL: bzhi64_32_d1:
|
|
; X64-BMI1: # %bb.0:
|
|
; X64-BMI1-NEXT: shll $8, %esi
|
|
; X64-BMI1-NEXT: bextrl %esi, %edi, %eax
|
|
; X64-BMI1-NEXT: retq
|
|
;
|
|
; X64-BMI2-LABEL: bzhi64_32_d1:
|
|
; X64-BMI2: # %bb.0:
|
|
; X64-BMI2-NEXT: bzhil %esi, %edi, %eax
|
|
; X64-BMI2-NEXT: retq
|
|
%truncval = trunc i64 %val to i32
|
|
%numhighbits = sub i32 32, %numlowbits
|
|
%highbitscleared = shl i32 %truncval, %numhighbits
|
|
%masked = lshr i32 %highbitscleared, %numhighbits
|
|
ret i32 %masked
|
|
}
|
|
|
|
; ---------------------------------------------------------------------------- ;
|
|
; Constant mask
|
|
; ---------------------------------------------------------------------------- ;
|
|
|
|
; 32-bit
|
|
|
|
define i32 @bzhi32_constant_mask32(i32 %val) nounwind {
|
|
; X86-LABEL: bzhi32_constant_mask32:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl $2147483647, %eax # imm = 0x7FFFFFFF
|
|
; X86-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: bzhi32_constant_mask32:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %edi, %eax
|
|
; X64-NEXT: andl $2147483647, %eax # imm = 0x7FFFFFFF
|
|
; X64-NEXT: retq
|
|
%masked = and i32 %val, 2147483647
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_constant_mask32_load(i32* %val) nounwind {
|
|
; X86-LABEL: bzhi32_constant_mask32_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: movl $2147483647, %eax # imm = 0x7FFFFFFF
|
|
; X86-NEXT: andl (%ecx), %eax
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: bzhi32_constant_mask32_load:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl $2147483647, %eax # imm = 0x7FFFFFFF
|
|
; X64-NEXT: andl (%rdi), %eax
|
|
; X64-NEXT: retq
|
|
%val1 = load i32, i32* %val
|
|
%masked = and i32 %val1, 2147483647
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_constant_mask16(i32 %val) nounwind {
|
|
; X86-LABEL: bzhi32_constant_mask16:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl $32767, %eax # imm = 0x7FFF
|
|
; X86-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: bzhi32_constant_mask16:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %edi, %eax
|
|
; X64-NEXT: andl $32767, %eax # imm = 0x7FFF
|
|
; X64-NEXT: retq
|
|
%masked = and i32 %val, 32767
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_constant_mask16_load(i32* %val) nounwind {
|
|
; X86-LABEL: bzhi32_constant_mask16_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: movl $32767, %eax # imm = 0x7FFF
|
|
; X86-NEXT: andl (%ecx), %eax
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: bzhi32_constant_mask16_load:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl $32767, %eax # imm = 0x7FFF
|
|
; X64-NEXT: andl (%rdi), %eax
|
|
; X64-NEXT: retq
|
|
%val1 = load i32, i32* %val
|
|
%masked = and i32 %val1, 32767
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_constant_mask8(i32 %val) nounwind {
|
|
; X86-LABEL: bzhi32_constant_mask8:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: andl $127, %eax
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: bzhi32_constant_mask8:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl %edi, %eax
|
|
; X64-NEXT: andl $127, %eax
|
|
; X64-NEXT: retq
|
|
%masked = and i32 %val, 127
|
|
ret i32 %masked
|
|
}
|
|
|
|
define i32 @bzhi32_constant_mask8_load(i32* %val) nounwind {
|
|
; X86-LABEL: bzhi32_constant_mask8_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl (%eax), %eax
|
|
; X86-NEXT: andl $127, %eax
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: bzhi32_constant_mask8_load:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movl (%rdi), %eax
|
|
; X64-NEXT: andl $127, %eax
|
|
; X64-NEXT: retq
|
|
%val1 = load i32, i32* %val
|
|
%masked = and i32 %val1, 127
|
|
ret i32 %masked
|
|
}
|
|
|
|
; 64-bit
|
|
|
|
define i64 @bzhi64_constant_mask64(i64 %val) nounwind {
|
|
; X86-LABEL: bzhi64_constant_mask64:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl $1073741823, %edx # imm = 0x3FFFFFFF
|
|
; X86-NEXT: andl {{[0-9]+}}(%esp), %edx
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_constant_mask64:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movabsq $4611686018427387903, %rax # imm = 0x3FFFFFFFFFFFFFFF
|
|
; X64-NOBMI-NEXT: andq %rdi, %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1NOTBM-LABEL: bzhi64_constant_mask64:
|
|
; X64-BMI1NOTBM: # %bb.0:
|
|
; X64-BMI1NOTBM-NEXT: movl $15872, %eax # imm = 0x3E00
|
|
; X64-BMI1NOTBM-NEXT: bextrq %rax, %rdi, %rax
|
|
; X64-BMI1NOTBM-NEXT: retq
|
|
;
|
|
; X64-BMI1TBM-LABEL: bzhi64_constant_mask64:
|
|
; X64-BMI1TBM: # %bb.0:
|
|
; X64-BMI1TBM-NEXT: bextrq $15872, %rdi, %rax # imm = 0x3E00
|
|
; X64-BMI1TBM-NEXT: retq
|
|
;
|
|
; X64-BMI2TBM-LABEL: bzhi64_constant_mask64:
|
|
; X64-BMI2TBM: # %bb.0:
|
|
; X64-BMI2TBM-NEXT: bextrq $15872, %rdi, %rax # imm = 0x3E00
|
|
; X64-BMI2TBM-NEXT: retq
|
|
;
|
|
; X64-BMI2NOTBM-LABEL: bzhi64_constant_mask64:
|
|
; X64-BMI2NOTBM: # %bb.0:
|
|
; X64-BMI2NOTBM-NEXT: movb $62, %al
|
|
; X64-BMI2NOTBM-NEXT: bzhiq %rax, %rdi, %rax
|
|
; X64-BMI2NOTBM-NEXT: retq
|
|
%masked = and i64 %val, 4611686018427387903
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_constant_mask64_load(i64* %val) nounwind {
|
|
; X86-LABEL: bzhi64_constant_mask64_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: movl (%ecx), %eax
|
|
; X86-NEXT: movl $1073741823, %edx # imm = 0x3FFFFFFF
|
|
; X86-NEXT: andl 4(%ecx), %edx
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-NOBMI-LABEL: bzhi64_constant_mask64_load:
|
|
; X64-NOBMI: # %bb.0:
|
|
; X64-NOBMI-NEXT: movabsq $4611686018427387903, %rax # imm = 0x3FFFFFFFFFFFFFFF
|
|
; X64-NOBMI-NEXT: andq (%rdi), %rax
|
|
; X64-NOBMI-NEXT: retq
|
|
;
|
|
; X64-BMI1NOTBM-LABEL: bzhi64_constant_mask64_load:
|
|
; X64-BMI1NOTBM: # %bb.0:
|
|
; X64-BMI1NOTBM-NEXT: movl $15872, %eax # imm = 0x3E00
|
|
; X64-BMI1NOTBM-NEXT: bextrq %rax, (%rdi), %rax
|
|
; X64-BMI1NOTBM-NEXT: retq
|
|
;
|
|
; X64-BMI1TBM-LABEL: bzhi64_constant_mask64_load:
|
|
; X64-BMI1TBM: # %bb.0:
|
|
; X64-BMI1TBM-NEXT: bextrq $15872, (%rdi), %rax # imm = 0x3E00
|
|
; X64-BMI1TBM-NEXT: retq
|
|
;
|
|
; X64-BMI2TBM-LABEL: bzhi64_constant_mask64_load:
|
|
; X64-BMI2TBM: # %bb.0:
|
|
; X64-BMI2TBM-NEXT: bextrq $15872, (%rdi), %rax # imm = 0x3E00
|
|
; X64-BMI2TBM-NEXT: retq
|
|
;
|
|
; X64-BMI2NOTBM-LABEL: bzhi64_constant_mask64_load:
|
|
; X64-BMI2NOTBM: # %bb.0:
|
|
; X64-BMI2NOTBM-NEXT: movb $62, %al
|
|
; X64-BMI2NOTBM-NEXT: bzhiq %rax, (%rdi), %rax
|
|
; X64-BMI2NOTBM-NEXT: retq
|
|
%val1 = load i64, i64* %val
|
|
%masked = and i64 %val1, 4611686018427387903
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_constant_mask32(i64 %val) nounwind {
|
|
; X86-LABEL: bzhi64_constant_mask32:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl $2147483647, %eax # imm = 0x7FFFFFFF
|
|
; X86-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: bzhi64_constant_mask32:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq %rdi, %rax
|
|
; X64-NEXT: andl $2147483647, %eax # imm = 0x7FFFFFFF
|
|
; X64-NEXT: retq
|
|
%masked = and i64 %val, 2147483647
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_constant_mask32_load(i64* %val) nounwind {
|
|
; X86-LABEL: bzhi64_constant_mask32_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: movl $2147483647, %eax # imm = 0x7FFFFFFF
|
|
; X86-NEXT: andl (%ecx), %eax
|
|
; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: bzhi64_constant_mask32_load:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq (%rdi), %rax
|
|
; X64-NEXT: andl $2147483647, %eax # imm = 0x7FFFFFFF
|
|
; X64-NEXT: retq
|
|
%val1 = load i64, i64* %val
|
|
%masked = and i64 %val1, 2147483647
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_constant_mask16(i64 %val) nounwind {
|
|
; X86-LABEL: bzhi64_constant_mask16:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl $32767, %eax # imm = 0x7FFF
|
|
; X86-NEXT: andl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: bzhi64_constant_mask16:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq %rdi, %rax
|
|
; X64-NEXT: andl $32767, %eax # imm = 0x7FFF
|
|
; X64-NEXT: retq
|
|
%masked = and i64 %val, 32767
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_constant_mask16_load(i64* %val) nounwind {
|
|
; X86-LABEL: bzhi64_constant_mask16_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X86-NEXT: movl $32767, %eax # imm = 0x7FFF
|
|
; X86-NEXT: andl (%ecx), %eax
|
|
; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: bzhi64_constant_mask16_load:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq (%rdi), %rax
|
|
; X64-NEXT: andl $32767, %eax # imm = 0x7FFF
|
|
; X64-NEXT: retq
|
|
%val1 = load i64, i64* %val
|
|
%masked = and i64 %val1, 32767
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_constant_mask8(i64 %val) nounwind {
|
|
; X86-LABEL: bzhi64_constant_mask8:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: andl $127, %eax
|
|
; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: bzhi64_constant_mask8:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq %rdi, %rax
|
|
; X64-NEXT: andl $127, %eax
|
|
; X64-NEXT: retq
|
|
%masked = and i64 %val, 127
|
|
ret i64 %masked
|
|
}
|
|
|
|
define i64 @bzhi64_constant_mask8_load(i64* %val) nounwind {
|
|
; X86-LABEL: bzhi64_constant_mask8_load:
|
|
; X86: # %bb.0:
|
|
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X86-NEXT: movl (%eax), %eax
|
|
; X86-NEXT: andl $127, %eax
|
|
; X86-NEXT: xorl %edx, %edx
|
|
; X86-NEXT: retl
|
|
;
|
|
; X64-LABEL: bzhi64_constant_mask8_load:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq (%rdi), %rax
|
|
; X64-NEXT: andl $127, %eax
|
|
; X64-NEXT: retq
|
|
%val1 = load i64, i64* %val
|
|
%masked = and i64 %val1, 127
|
|
ret i64 %masked
|
|
}
|