102 lines
3.1 KiB
LLVM
102 lines
3.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc < %s -fast-isel -fast-isel-abort=3 -mtriple=x86_64-apple-darwin10 | FileCheck %s
|
|
; RUN: llc < %s -fast-isel -mtriple=i686-- -mattr=+sse2 | FileCheck --check-prefix=SSE2 %s
|
|
|
|
define double @fneg_f64(double %x) nounwind {
|
|
; CHECK-LABEL: fneg_f64:
|
|
; CHECK: ## %bb.0:
|
|
; CHECK-NEXT: movq %xmm0, %rax
|
|
; CHECK-NEXT: movabsq $-9223372036854775808, %rcx ## imm = 0x8000000000000000
|
|
; CHECK-NEXT: xorq %rax, %rcx
|
|
; CHECK-NEXT: movq %rcx, %xmm0
|
|
; CHECK-NEXT: retq
|
|
;
|
|
; SSE2-LABEL: fneg_f64:
|
|
; SSE2: # %bb.0:
|
|
; SSE2-NEXT: pushl %ebp
|
|
; SSE2-NEXT: movl %esp, %ebp
|
|
; SSE2-NEXT: andl $-8, %esp
|
|
; SSE2-NEXT: subl $8, %esp
|
|
; SSE2-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
|
|
; SSE2-NEXT: xorps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
|
|
; SSE2-NEXT: movlps %xmm0, (%esp)
|
|
; SSE2-NEXT: fldl (%esp)
|
|
; SSE2-NEXT: movl %ebp, %esp
|
|
; SSE2-NEXT: popl %ebp
|
|
; SSE2-NEXT: retl
|
|
%y = fneg double %x
|
|
ret double %y
|
|
}
|
|
|
|
define float @fneg_f32(float %x) nounwind {
|
|
; CHECK-LABEL: fneg_f32:
|
|
; CHECK: ## %bb.0:
|
|
; CHECK-NEXT: movd %xmm0, %eax
|
|
; CHECK-NEXT: xorl $2147483648, %eax ## imm = 0x80000000
|
|
; CHECK-NEXT: movd %eax, %xmm0
|
|
; CHECK-NEXT: retq
|
|
;
|
|
; SSE2-LABEL: fneg_f32:
|
|
; SSE2: # %bb.0:
|
|
; SSE2-NEXT: pushl %eax
|
|
; SSE2-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
|
|
; SSE2-NEXT: xorps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
|
|
; SSE2-NEXT: movss %xmm0, (%esp)
|
|
; SSE2-NEXT: flds (%esp)
|
|
; SSE2-NEXT: popl %eax
|
|
; SSE2-NEXT: retl
|
|
%y = fneg float %x
|
|
ret float %y
|
|
}
|
|
|
|
define void @fneg_f64_mem(ptr %x, ptr %y) nounwind {
|
|
; CHECK-LABEL: fneg_f64_mem:
|
|
; CHECK: ## %bb.0:
|
|
; CHECK-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
|
|
; CHECK-NEXT: movq %xmm0, %rax
|
|
; CHECK-NEXT: movabsq $-9223372036854775808, %rcx ## imm = 0x8000000000000000
|
|
; CHECK-NEXT: xorq %rax, %rcx
|
|
; CHECK-NEXT: movq %rcx, %xmm0
|
|
; CHECK-NEXT: movq %xmm0, (%rsi)
|
|
; CHECK-NEXT: retq
|
|
;
|
|
; SSE2-LABEL: fneg_f64_mem:
|
|
; SSE2: # %bb.0:
|
|
; SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; SSE2-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
|
|
; SSE2-NEXT: xorps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
|
|
; SSE2-NEXT: movsd %xmm0, (%eax)
|
|
; SSE2-NEXT: retl
|
|
%a = load double, ptr %x
|
|
%b = fneg double %a
|
|
store double %b, ptr %y
|
|
ret void
|
|
}
|
|
|
|
define void @fneg_f32_mem(ptr %x, ptr %y) nounwind {
|
|
; CHECK-LABEL: fneg_f32_mem:
|
|
; CHECK: ## %bb.0:
|
|
; CHECK-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
|
|
; CHECK-NEXT: movd %xmm0, %eax
|
|
; CHECK-NEXT: xorl $2147483648, %eax ## imm = 0x80000000
|
|
; CHECK-NEXT: movd %eax, %xmm0
|
|
; CHECK-NEXT: movd %xmm0, (%rsi)
|
|
; CHECK-NEXT: retq
|
|
;
|
|
; SSE2-LABEL: fneg_f32_mem:
|
|
; SSE2: # %bb.0:
|
|
; SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
|
|
; SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
|
; SSE2-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
|
|
; SSE2-NEXT: movd %xmm0, %ecx
|
|
; SSE2-NEXT: xorl $2147483648, %ecx # imm = 0x80000000
|
|
; SSE2-NEXT: movd %ecx, %xmm0
|
|
; SSE2-NEXT: movd %xmm0, (%eax)
|
|
; SSE2-NEXT: retl
|
|
%a = load float, ptr %x
|
|
%b = fneg float %a
|
|
store float %b, ptr %y
|
|
ret void
|
|
}
|