1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse2 | FileCheck %s --check-prefix=ALL --check-prefix=X32
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse2 | FileCheck %s --check-prefix=ALL --check-prefix=X64
;
; Library Functions
;
define float @tst1(float %a, float %b) {
; X32-LABEL: @tst1
; X32: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X32-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X32-NEXT: movss %xmm1, 4(%esp)
; X32-NEXT: movss %xmm0, (%esp)
; X32-NEXT: calll copysignf
; X32-NEXT: addl $8, %esp
; X32-NEXT: retl
;
; X64-LABEL: @tst1
; X64: movaps %xmm0, %xmm2
; X64-NEXT: movaps %xmm1, %xmm0
; X64-NEXT: movaps %xmm2, %xmm1
; X64-NEXT: jmp copysignf
%tmp = tail call float @copysignf( float %b, float %a )
ret float %tmp
}
define double @tst2(double %a, float %b, float %c) {
; X32-LABEL: @tst2
; X32: movsd {{.*#+}} xmm0 = mem[0],zero
; X32-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X32-NEXT: addss 32(%esp), %xmm1
; X32-NEXT: cvtss2sd %xmm1, %xmm1
; X32-NEXT: movsd %xmm0, (%esp)
; X32-NEXT: movsd %xmm1, 8(%esp)
; X32-NEXT: calll copysign
; X32-NEXT: addl $16, %esp
; X32-NEXT: retl
;
; X64-LABEL: @tst2
; X64: addss %xmm2, %xmm1
; X64-NEXT: cvtss2sd %xmm1, %xmm1
; X64-NEXT: jmp copysign
%tmp1 = fadd float %b, %c
%tmp2 = fpext float %tmp1 to double
%tmp = tail call double @copysign( double %a, double %tmp2 )
ret double %tmp
}
declare float @copysignf(float, float)
declare double @copysign(double, double)
;
; LLVM Intrinsic
;
define float @int1(float %a, float %b) {
; X32-LABEL: @int1
; X32: movss 8(%esp), %xmm0 {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X32-NEXT: andps .LCPI2_0, %xmm0
; X32-NEXT: movss 12(%esp), %xmm1 {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X32-NEXT: andps .LCPI2_1, %xmm1
; X32-NEXT: orps %xmm0, %xmm1
; X32-NEXT: movss %xmm1, (%esp)
; X32-NEXT: flds (%esp)
; X32-NEXT: popl %eax
; X32-NEXT: retl
;
; X64-LABEL: @int1
; X64: andps .LCPI2_0(%rip), %xmm0
; X64-NEXT: andps .LCPI2_1(%rip), %xmm1
; X64-NEXT: orps %xmm1, %xmm0
; X64-NEXT: retq
%tmp = tail call float @llvm.copysign.f32( float %b, float %a )
ret float %tmp
}
define double @int2(double %a, float %b, float %c) {
; X32-LABEL: @int2
; X32: movss 16(%ebp), %xmm0 {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X32-NEXT: addss 20(%ebp), %xmm0
; X32-NEXT: movsd 8(%ebp), %xmm1 {{.*#+}} xmm1 = mem[0],zero
; X32-NEXT: andpd .LCPI3_0, %xmm1
; X32-NEXT: cvtss2sd %xmm0, %xmm0
; X32-NEXT: andpd .LCPI3_1, %xmm0
; X32-NEXT: orpd %xmm1, %xmm0
; X32-NEXT: movlpd %xmm0, (%esp)
; X32-NEXT: fldl (%esp)
; X32-NEXT: movl %ebp, %esp
; X32-NEXT: popl %ebp
; X32-NEXT: retl
;
; X64-LABEL: @int2
; X64: addss %xmm2, %xmm1
; X64-NEXT: cvtss2sd %xmm1, %xmm1
; X64-NEXT: andpd .LCPI3_0(%rip), %xmm1
; X64-NEXT: andpd .LCPI3_1(%rip), %xmm0
; X64-NEXT: orpd %xmm1, %xmm0
; X64-NEXT: retq
%tmp1 = fadd float %b, %c
%tmp2 = fpext float %tmp1 to double
%tmp = tail call double @llvm.copysign.f64( double %a, double %tmp2 )
ret double %tmp
}
define float @cst1() {
; X32-LABEL: @cst1
; X32: fld1
; X32-NEXT: fchs
; X32-NEXT: retl
;
; X64-LABEL: @cst1
; X64: movss .LCPI4_0(%rip), %xmm0 {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X64-NEXT: retq
%tmp = tail call float @llvm.copysign.f32( float 1.0, float -2.0 )
ret float %tmp
}
define double @cst2() {
; X32-LABEL: @cst2
; X32: fldz
; X32-NEXT: fchs
; X32-NEXT: retl
;
; X64-LABEL: @cst2
; X64: movsd .LCPI5_0(%rip), %xmm0 {{.*#+}} xmm0 = mem[0],zero
; X64-NEXT: retq
%tmp1 = fadd float -1.0, -1.0
%tmp2 = fpext float %tmp1 to double
%tmp = tail call double @llvm.copysign.f64( double 0.0, double %tmp2 )
ret double %tmp
}
declare float @llvm.copysign.f32(float %Mag, float %Sgn)
declare double @llvm.copysign.f64(double %Mag, double %Sgn)
|
