1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -fast-isel -fast-isel-abort=3 -mtriple=x86_64-apple-darwin10 | FileCheck %s 3; RUN: llc < %s -fast-isel -mtriple=i686-- -mattr=+sse2 | FileCheck --check-prefix=SSE2 %s 4 5define double @fneg_f64(double %x) nounwind { 6; CHECK-LABEL: fneg_f64: 7; CHECK: ## %bb.0: 8; CHECK-NEXT: movq %xmm0, %rax 9; CHECK-NEXT: movabsq $-9223372036854775808, %rcx ## imm = 0x8000000000000000 10; CHECK-NEXT: xorq %rax, %rcx 11; CHECK-NEXT: movq %rcx, %xmm0 12; CHECK-NEXT: retq 13; 14; SSE2-LABEL: fneg_f64: 15; SSE2: # %bb.0: 16; SSE2-NEXT: pushl %ebp 17; SSE2-NEXT: movl %esp, %ebp 18; SSE2-NEXT: andl $-8, %esp 19; SSE2-NEXT: subl $8, %esp 20; SSE2-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero 21; SSE2-NEXT: xorps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0 22; SSE2-NEXT: movlps %xmm0, (%esp) 23; SSE2-NEXT: fldl (%esp) 24; SSE2-NEXT: movl %ebp, %esp 25; SSE2-NEXT: popl %ebp 26; SSE2-NEXT: retl 27 %y = fneg double %x 28 ret double %y 29} 30 31define float @fneg_f32(float %x) nounwind { 32; CHECK-LABEL: fneg_f32: 33; CHECK: ## %bb.0: 34; CHECK-NEXT: movd %xmm0, %eax 35; CHECK-NEXT: xorl $2147483648, %eax ## imm = 0x80000000 36; CHECK-NEXT: movd %eax, %xmm0 37; CHECK-NEXT: retq 38; 39; SSE2-LABEL: fneg_f32: 40; SSE2: # %bb.0: 41; SSE2-NEXT: pushl %eax 42; SSE2-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero 43; SSE2-NEXT: xorps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0 44; SSE2-NEXT: movss %xmm0, (%esp) 45; SSE2-NEXT: flds (%esp) 46; SSE2-NEXT: popl %eax 47; SSE2-NEXT: retl 48 %y = fneg float %x 49 ret float %y 50} 51 52define void @fneg_f64_mem(double* %x, double* %y) nounwind { 53; CHECK-LABEL: fneg_f64_mem: 54; CHECK: ## %bb.0: 55; CHECK-NEXT: movq {{.*#+}} xmm0 = mem[0],zero 56; CHECK-NEXT: movq %xmm0, %rax 57; CHECK-NEXT: movabsq $-9223372036854775808, %rcx ## imm = 0x8000000000000000 58; CHECK-NEXT: xorq %rax, %rcx 59; CHECK-NEXT: movq %rcx, %xmm0 60; CHECK-NEXT: movq %xmm0, (%rsi) 61; CHECK-NEXT: retq 62; 63; SSE2-LABEL: fneg_f64_mem: 64; SSE2: # %bb.0: 65; SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax 66; SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx 67; SSE2-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero 68; SSE2-NEXT: xorps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0 69; SSE2-NEXT: movsd %xmm0, (%eax) 70; SSE2-NEXT: retl 71 %a = load double, double* %x 72 %b = fneg double %a 73 store double %b, double* %y 74 ret void 75} 76 77define void @fneg_f32_mem(float* %x, float* %y) nounwind { 78; CHECK-LABEL: fneg_f32_mem: 79; CHECK: ## %bb.0: 80; CHECK-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero 81; CHECK-NEXT: movd %xmm0, %eax 82; CHECK-NEXT: xorl $2147483648, %eax ## imm = 0x80000000 83; CHECK-NEXT: movd %eax, %xmm0 84; CHECK-NEXT: movd %xmm0, (%rsi) 85; CHECK-NEXT: retq 86; 87; SSE2-LABEL: fneg_f32_mem: 88; SSE2: # %bb.0: 89; SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax 90; SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx 91; SSE2-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero 92; SSE2-NEXT: movd %xmm0, %ecx 93; SSE2-NEXT: xorl $2147483648, %ecx # imm = 0x80000000 94; SSE2-NEXT: movd %ecx, %xmm0 95; SSE2-NEXT: movd %xmm0, (%eax) 96; SSE2-NEXT: retl 97 %a = load float, float* %x 98 %b = fneg float %a 99 store float %b, float* %y 100 ret void 101} 102