forked from OSchip/llvm-project
84 lines
2.5 KiB
LLVM
84 lines
2.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=X32
|
|
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=X64
|
|
|
|
define i128 @mulhioverflow(i64 %a, i64 %b, i64 %c) nounwind {
|
|
; X32-LABEL: mulhioverflow:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: pushl %ebp
|
|
; X32-NEXT: pushl %ebx
|
|
; X32-NEXT: pushl %edi
|
|
; X32-NEXT: pushl %esi
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %esi
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ebp
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %edi
|
|
; X32-NEXT: movl %ecx, %eax
|
|
; X32-NEXT: mull %ebp
|
|
; X32-NEXT: movl %edx, %ebx
|
|
; X32-NEXT: movl %esi, %eax
|
|
; X32-NEXT: mull %ebp
|
|
; X32-NEXT: movl %edx, %ebp
|
|
; X32-NEXT: movl %eax, %esi
|
|
; X32-NEXT: addl %ebx, %esi
|
|
; X32-NEXT: adcl $0, %ebp
|
|
; X32-NEXT: movl %ecx, %eax
|
|
; X32-NEXT: mull %edi
|
|
; X32-NEXT: movl %edx, %ebx
|
|
; X32-NEXT: addl %esi, %eax
|
|
; X32-NEXT: adcl %ebp, %ebx
|
|
; X32-NEXT: setb %al
|
|
; X32-NEXT: movzbl %al, %ecx
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: mull %edi
|
|
; X32-NEXT: movl %edx, %esi
|
|
; X32-NEXT: movl %eax, %ebp
|
|
; X32-NEXT: addl %ebx, %ebp
|
|
; X32-NEXT: adcl %ecx, %esi
|
|
; X32-NEXT: xorl %ecx, %ecx
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: mull %ecx
|
|
; X32-NEXT: movl %edx, %edi
|
|
; X32-NEXT: movl %eax, %ebx
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: mull %ecx
|
|
; X32-NEXT: addl %ebx, %eax
|
|
; X32-NEXT: adcl %edi, %edx
|
|
; X32-NEXT: addl %ebp, %eax
|
|
; X32-NEXT: adcl %esi, %edx
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; X32-NEXT: andl $1, %ecx
|
|
; X32-NEXT: addl %eax, %ecx
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; X32-NEXT: movl %ecx, (%eax)
|
|
; X32-NEXT: adcl $0, %edx
|
|
; X32-NEXT: movl %edx, 4(%eax)
|
|
; X32-NEXT: setb %cl
|
|
; X32-NEXT: movzbl %cl, %ecx
|
|
; X32-NEXT: movl %ecx, 8(%eax)
|
|
; X32-NEXT: movl $0, 12(%eax)
|
|
; X32-NEXT: popl %esi
|
|
; X32-NEXT: popl %edi
|
|
; X32-NEXT: popl %ebx
|
|
; X32-NEXT: popl %ebp
|
|
; X32-NEXT: retl $4
|
|
;
|
|
; X64-LABEL: mulhioverflow:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: movq %rdx, %rcx
|
|
; X64-NEXT: movq %rdi, %rax
|
|
; X64-NEXT: mulq %rsi
|
|
; X64-NEXT: andl $1, %ecx
|
|
; X64-NEXT: leaq (%rcx,%rdx), %rax
|
|
; X64-NEXT: xorl %edx, %edx
|
|
; X64-NEXT: retq
|
|
%1 = zext i64 %a to i128
|
|
%2 = zext i64 %b to i128
|
|
%3 = mul i128 %1, %2
|
|
%4 = lshr i128 %3, 64
|
|
%5 = and i64 %c, 1
|
|
%6 = zext i64 %5 to i128
|
|
%7 = add i128 %4, %6
|
|
ret i128 %7
|
|
}
|