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