llvm-project/llvm/test/CodeGen/X86/i256-add.ll

113 lines
3.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i386-unknown | FileCheck %s --check-prefix=X32
; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X64
define void @add(i256* %p, i256* %q) nounwind {
; X32-LABEL: add:
; X32: # %bb.0:
; X32-NEXT: pushl %ebp
; X32-NEXT: pushl %ebx
; X32-NEXT: pushl %edi
; X32-NEXT: pushl %esi
; X32-NEXT: subl $8, %esp
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl 28(%eax), %ecx
; X32-NEXT: movl %ecx, {{[0-9]+}}(%esp) # 4-byte Spill
; X32-NEXT: movl 24(%eax), %ecx
; X32-NEXT: movl %ecx, (%esp) # 4-byte Spill
; X32-NEXT: movl 20(%eax), %esi
; X32-NEXT: movl 16(%eax), %edi
; X32-NEXT: movl 12(%eax), %ebx
; X32-NEXT: movl 8(%eax), %ebp
; X32-NEXT: movl (%eax), %ecx
; X32-NEXT: movl 4(%eax), %edx
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: addl %ecx, (%eax)
; X32-NEXT: adcl %edx, 4(%eax)
; X32-NEXT: adcl %ebp, 8(%eax)
; X32-NEXT: adcl %ebx, 12(%eax)
; X32-NEXT: adcl %edi, 16(%eax)
; X32-NEXT: adcl %esi, 20(%eax)
; X32-NEXT: movl (%esp), %ecx # 4-byte Reload
; X32-NEXT: adcl %ecx, 24(%eax)
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx # 4-byte Reload
; X32-NEXT: adcl %ecx, 28(%eax)
; X32-NEXT: addl $8, %esp
; X32-NEXT: popl %esi
; X32-NEXT: popl %edi
; X32-NEXT: popl %ebx
; X32-NEXT: popl %ebp
; X32-NEXT: retl
;
; X64-LABEL: add:
; X64: # %bb.0:
; X64-NEXT: movq 24(%rsi), %rax
; X64-NEXT: movq 16(%rsi), %rcx
; X64-NEXT: movq (%rsi), %rdx
; X64-NEXT: movq 8(%rsi), %rsi
; X64-NEXT: addq %rdx, (%rdi)
; X64-NEXT: adcq %rsi, 8(%rdi)
; X64-NEXT: adcq %rcx, 16(%rdi)
; X64-NEXT: adcq %rax, 24(%rdi)
; X64-NEXT: retq
%a = load i256, i256* %p
%b = load i256, i256* %q
%c = add i256 %a, %b
store i256 %c, i256* %p
ret void
}
define void @sub(i256* %p, i256* %q) nounwind {
; X32-LABEL: sub:
; X32: # %bb.0:
; X32-NEXT: pushl %ebp
; X32-NEXT: pushl %ebx
; X32-NEXT: pushl %edi
; X32-NEXT: pushl %esi
; X32-NEXT: subl $8, %esp
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl 28(%eax), %ecx
; X32-NEXT: movl %ecx, {{[0-9]+}}(%esp) # 4-byte Spill
; X32-NEXT: movl 24(%eax), %ecx
; X32-NEXT: movl %ecx, (%esp) # 4-byte Spill
; X32-NEXT: movl 20(%eax), %esi
; X32-NEXT: movl 16(%eax), %edi
; X32-NEXT: movl 12(%eax), %ebx
; X32-NEXT: movl 8(%eax), %ebp
; X32-NEXT: movl (%eax), %ecx
; X32-NEXT: movl 4(%eax), %edx
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: subl %ecx, (%eax)
; X32-NEXT: sbbl %edx, 4(%eax)
; X32-NEXT: sbbl %ebp, 8(%eax)
; X32-NEXT: sbbl %ebx, 12(%eax)
; X32-NEXT: sbbl %edi, 16(%eax)
; X32-NEXT: sbbl %esi, 20(%eax)
; X32-NEXT: movl (%esp), %ecx # 4-byte Reload
; X32-NEXT: sbbl %ecx, 24(%eax)
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx # 4-byte Reload
; X32-NEXT: sbbl %ecx, 28(%eax)
; X32-NEXT: addl $8, %esp
; X32-NEXT: popl %esi
; X32-NEXT: popl %edi
; X32-NEXT: popl %ebx
; X32-NEXT: popl %ebp
; X32-NEXT: retl
;
; X64-LABEL: sub:
; X64: # %bb.0:
; X64-NEXT: movq 24(%rsi), %rax
; X64-NEXT: movq 16(%rsi), %rcx
; X64-NEXT: movq (%rsi), %rdx
; X64-NEXT: movq 8(%rsi), %rsi
; X64-NEXT: subq %rdx, (%rdi)
; X64-NEXT: sbbq %rsi, 8(%rdi)
; X64-NEXT: sbbq %rcx, 16(%rdi)
; X64-NEXT: sbbq %rax, 24(%rdi)
; X64-NEXT: retq
%a = load i256, i256* %p
%b = load i256, i256* %q
%c = sub i256 %a, %b
store i256 %c, i256* %p
ret void
}