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
|
; Test all condition-code masks that are relevant for floating-point
; comparisons.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
define void @f1(float *%src, float %target) {
; CHECK-LABEL: f1:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: ceb %f0, 0(%r2)
; CHECK-NEXT: je .L[[LABEL]]
br label %loop
loop:
%val = load volatile float *%src
%cond = fcmp oeq float %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f2(float *%src, float %target) {
; CHECK-LABEL: f2:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: ceb %f0, 0(%r2)
; CHECK-NEXT: jlh .L[[LABEL]]
br label %loop
loop:
%val = load volatile float *%src
%cond = fcmp one float %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f3(float *%src, float %target) {
; CHECK-LABEL: f3:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: ceb %f0, 0(%r2)
; CHECK-NEXT: jle .L[[LABEL]]
br label %loop
loop:
%val = load volatile float *%src
%cond = fcmp ole float %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f4(float *%src, float %target) {
; CHECK-LABEL: f4:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: ceb %f0, 0(%r2)
; CHECK-NEXT: jl .L[[LABEL]]
br label %loop
loop:
%val = load volatile float *%src
%cond = fcmp olt float %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f5(float *%src, float %target) {
; CHECK-LABEL: f5:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: ceb %f0, 0(%r2)
; CHECK-NEXT: jh .L[[LABEL]]
br label %loop
loop:
%val = load volatile float *%src
%cond = fcmp ogt float %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f6(float *%src, float %target) {
; CHECK-LABEL: f6:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: ceb %f0, 0(%r2)
; CHECK-NEXT: jhe .L[[LABEL]]
br label %loop
loop:
%val = load volatile float *%src
%cond = fcmp oge float %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f7(float *%src, float %target) {
; CHECK-LABEL: f7:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: ceb %f0, 0(%r2)
; CHECK-NEXT: jnlh .L[[LABEL]]
br label %loop
loop:
%val = load volatile float *%src
%cond = fcmp ueq float %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f8(float *%src, float %target) {
; CHECK-LABEL: f8:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: ceb %f0, 0(%r2)
; CHECK-NEXT: jne .L[[LABEL]]
br label %loop
loop:
%val = load volatile float *%src
%cond = fcmp une float %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f9(float *%src, float %target) {
; CHECK-LABEL: f9:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: ceb %f0, 0(%r2)
; CHECK-NEXT: jnh .L[[LABEL]]
br label %loop
loop:
%val = load volatile float *%src
%cond = fcmp ule float %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f10(float *%src, float %target) {
; CHECK-LABEL: f10:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: ceb %f0, 0(%r2)
; CHECK-NEXT: jnhe .L[[LABEL]]
br label %loop
loop:
%val = load volatile float *%src
%cond = fcmp ult float %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f11(float *%src, float %target) {
; CHECK-LABEL: f11:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: ceb %f0, 0(%r2)
; CHECK-NEXT: jnle .L[[LABEL]]
br label %loop
loop:
%val = load volatile float *%src
%cond = fcmp ugt float %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f12(float *%src, float %target) {
; CHECK-LABEL: f12:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: ceb %f0, 0(%r2)
; CHECK-NEXT: jnl .L[[LABEL]]
br label %loop
loop:
%val = load volatile float *%src
%cond = fcmp uge float %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
; "jno" == "jump if no overflow", which corresponds to "jump if ordered"
; rather than "jump if not ordered" after a floating-point comparison.
define void @f13(float *%src, float %target) {
; CHECK-LABEL: f13:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: ceb %f0, 0(%r2)
; CHECK-NEXT: jno .L[[LABEL]]
br label %loop
loop:
%val = load volatile float *%src
%cond = fcmp ord float %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
; "jo" == "jump if overflow", which corresponds to "jump if not ordered"
; rather than "jump if ordered" after a floating-point comparison.
define void @f14(float *%src, float %target) {
; CHECK-LABEL: f14:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: ceb %f0, 0(%r2)
; CHECK-NEXT: jo .L[[LABEL]]
br label %loop
loop:
%val = load volatile float *%src
%cond = fcmp uno float %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
|
