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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- | FileCheck %s -check-prefix=X87
; RUN: llc < %s -mtriple=i686-- -mattr=-x87 | FileCheck %s -check-prefixes=NOX87,NOSSE-NOX87
; RUN: llc < %s -mtriple=i686-- -mattr=-x87,-sse2 | FileCheck %s -check-prefixes=NOX87,NOSSE-NOX87
; RUN: llc < %s -mtriple=i686-- -mattr=-x87,+sse2 | FileCheck %s -check-prefixes=NOX87,SSE-NOX87
define float @f1(float %a, float %b) nounwind {
; X87-LABEL: f1:
; X87: # %bb.0: # %entry
; X87-NEXT: flds {{[0-9]+}}(%esp)
; X87-NEXT: retl
;
; NOSSE-NOX87-LABEL: f1:
; NOSSE-NOX87: # %bb.0: # %entry
; NOSSE-NOX87-NEXT: movl {{[0-9]+}}(%esp), %eax
; NOSSE-NOX87-NEXT: retl
;
; SSE-NOX87-LABEL: f1:
; SSE-NOX87: # %bb.0: # %entry
; SSE-NOX87-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE-NOX87-NEXT: movd %xmm0, %eax
; SSE-NOX87-NEXT: retl
entry:
ret float %b
}
define double @f2(double %a, double %b) nounwind {
; X87-LABEL: f2:
; X87: # %bb.0: # %entry
; X87-NEXT: fldl {{[0-9]+}}(%esp)
; X87-NEXT: retl
;
; NOX87-LABEL: f2:
; NOX87: # %bb.0: # %entry
; NOX87-NEXT: movl {{[0-9]+}}(%esp), %eax
; NOX87-NEXT: movl {{[0-9]+}}(%esp), %edx
; NOX87-NEXT: retl
entry:
ret double %b
}
define x86_fp80 @f3(x86_fp80 %a, x86_fp80 %b) nounwind {
; X87-LABEL: f3:
; X87: # %bb.0: # %entry
; X87-NEXT: fldt {{[0-9]+}}(%esp)
; X87-NEXT: retl
;
; NOX87-LABEL: f3:
; NOX87: # %bb.0: # %entry
; NOX87-NEXT: movl {{[0-9]+}}(%esp), %eax
; NOX87-NEXT: movl {{[0-9]+}}(%esp), %edx
; NOX87-NEXT: movl {{[0-9]+}}(%esp), %ecx
; NOX87-NEXT: retl
entry:
ret x86_fp80 %b
}
define float @f4(float %a, float %b) nounwind {
; X87-LABEL: f4:
; X87: # %bb.0: # %entry
; X87-NEXT: flds {{[0-9]+}}(%esp)
; X87-NEXT: fadds {{[0-9]+}}(%esp)
; X87-NEXT: retl
;
; NOSSE-NOX87-LABEL: f4:
; NOSSE-NOX87: # %bb.0: # %entry
; NOSSE-NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOSSE-NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOSSE-NOX87-NEXT: calll __addsf3
; NOSSE-NOX87-NEXT: addl $8, %esp
; NOSSE-NOX87-NEXT: retl
;
; SSE-NOX87-LABEL: f4:
; SSE-NOX87: # %bb.0: # %entry
; SSE-NOX87-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE-NOX87-NEXT: addss {{[0-9]+}}(%esp), %xmm0
; SSE-NOX87-NEXT: movd %xmm0, %eax
; SSE-NOX87-NEXT: retl
entry:
%0 = fadd float %a, %b
ret float %0
}
define double @f5(double %a, double %b) nounwind {
; X87-LABEL: f5:
; X87: # %bb.0: # %entry
; X87-NEXT: fldl {{[0-9]+}}(%esp)
; X87-NEXT: faddl {{[0-9]+}}(%esp)
; X87-NEXT: retl
;
; NOSSE-NOX87-LABEL: f5:
; NOSSE-NOX87: # %bb.0: # %entry
; NOSSE-NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOSSE-NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOSSE-NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOSSE-NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOSSE-NOX87-NEXT: calll __adddf3
; NOSSE-NOX87-NEXT: addl $16, %esp
; NOSSE-NOX87-NEXT: retl
;
; SSE-NOX87-LABEL: f5:
; SSE-NOX87: # %bb.0: # %entry
; SSE-NOX87-NEXT: pushl %ebp
; SSE-NOX87-NEXT: movl %esp, %ebp
; SSE-NOX87-NEXT: andl $-8, %esp
; SSE-NOX87-NEXT: subl $8, %esp
; SSE-NOX87-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; SSE-NOX87-NEXT: addsd 16(%ebp), %xmm0
; SSE-NOX87-NEXT: movsd %xmm0, (%esp)
; SSE-NOX87-NEXT: movl (%esp), %eax
; SSE-NOX87-NEXT: movl {{[0-9]+}}(%esp), %edx
; SSE-NOX87-NEXT: movl %ebp, %esp
; SSE-NOX87-NEXT: popl %ebp
; SSE-NOX87-NEXT: retl
entry:
%0 = fadd double %a, %b
ret double %0
}
define x86_fp80 @f6(x86_fp80 %a, x86_fp80 %b) nounwind {
; X87-LABEL: f6:
; X87: # %bb.0: # %entry
; X87-NEXT: fldt {{[0-9]+}}(%esp)
; X87-NEXT: fldt {{[0-9]+}}(%esp)
; X87-NEXT: faddp %st, %st(1)
; X87-NEXT: retl
;
; NOX87-LABEL: f6:
; NOX87: # %bb.0: # %entry
; NOX87-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; NOX87-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
; NOX87-NEXT: pushl %ecx
; NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOX87-NEXT: pushl %eax
; NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOX87-NEXT: calll __addxf3
; NOX87-NEXT: addl $24, %esp
; NOX87-NEXT: movzwl %cx, %ecx
; NOX87-NEXT: retl
entry:
%0 = fadd x86_fp80 %a, %b
ret x86_fp80 %0
}
define {float, float, float} @f7(float %a, float %b) nounwind {
; X87-LABEL: f7:
; X87: # %bb.0: # %entry
; X87-NEXT: movl {{[0-9]+}}(%esp), %eax
; X87-NEXT: flds {{[0-9]+}}(%esp)
; X87-NEXT: flds {{[0-9]+}}(%esp)
; X87-NEXT: fstps 8(%eax)
; X87-NEXT: fsts 4(%eax)
; X87-NEXT: fstps (%eax)
; X87-NEXT: retl $4
;
; NOSSE-NOX87-LABEL: f7:
; NOSSE-NOX87: # %bb.0: # %entry
; NOSSE-NOX87-NEXT: movl {{[0-9]+}}(%esp), %eax
; NOSSE-NOX87-NEXT: movl {{[0-9]+}}(%esp), %ecx
; NOSSE-NOX87-NEXT: movl %eax, %edx
; NOSSE-NOX87-NEXT: retl
;
; SSE-NOX87-LABEL: f7:
; SSE-NOX87: # %bb.0: # %entry
; SSE-NOX87-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE-NOX87-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; SSE-NOX87-NEXT: movd %xmm0, %eax
; SSE-NOX87-NEXT: movd %xmm0, %edx
; SSE-NOX87-NEXT: movd %xmm1, %ecx
; SSE-NOX87-NEXT: retl
entry:
%0 = insertvalue {float, float, float} undef, float %a, 0
%1 = insertvalue {float, float, float} %0, float %a, 1
%2 = insertvalue {float, float, float} %1, float %b, 2
ret {float, float, float} %2
}
define x86_fp80 @f8(i64 %a) nounwind {
; X87-LABEL: f8:
; X87: # %bb.0: # %entry
; X87-NEXT: fildll {{[0-9]+}}(%esp)
; X87-NEXT: retl
;
; NOX87-LABEL: f8:
; NOX87: # %bb.0: # %entry
; NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOX87-NEXT: calll __floatdixf
; NOX87-NEXT: addl $8, %esp
; NOX87-NEXT: movzwl %cx, %ecx
; NOX87-NEXT: retl
entry:
%0 = sitofp i64 %a to x86_fp80
ret x86_fp80 %0
}
define i32 @f9(x86_fp80 %a) nounwind {
; X87-LABEL: f9:
; X87: # %bb.0: # %entry
; X87-NEXT: subl $8, %esp
; X87-NEXT: fldt {{[0-9]+}}(%esp)
; X87-NEXT: fnstcw (%esp)
; X87-NEXT: movzwl (%esp), %eax
; X87-NEXT: orl $3072, %eax # imm = 0xC00
; X87-NEXT: movw %ax, {{[0-9]+}}(%esp)
; X87-NEXT: fldcw {{[0-9]+}}(%esp)
; X87-NEXT: fistpl {{[0-9]+}}(%esp)
; X87-NEXT: fldcw (%esp)
; X87-NEXT: movl {{[0-9]+}}(%esp), %eax
; X87-NEXT: addl $8, %esp
; X87-NEXT: retl
;
; NOX87-LABEL: f9:
; NOX87: # %bb.0: # %entry
; NOX87-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; NOX87-NEXT: pushl %eax
; NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOX87-NEXT: pushl {{[0-9]+}}(%esp)
; NOX87-NEXT: calll __fixxfsi
; NOX87-NEXT: addl $12, %esp
; NOX87-NEXT: retl
entry:
%0 = fptosi x86_fp80 %a to i32
ret i32 %0
}
|
