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
|
; Test 64-bit atomic NANDs.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Check NANDs of a variable.
define i64 @f1(i64 %dummy, i64 *%src, i64 %b) {
; CHECK: f1:
; CHECK: lg %r2, 0(%r3)
; CHECK: [[LABEL:\.[^:]*]]:
; CHECK: lgr %r0, %r2
; CHECK: ngr %r0, %r4
; CHECK: lcgr %r0, %r0
; CHECK: aghi %r0, -1
; CHECK: csg %r2, %r0, 0(%r3)
; CHECK: jlh [[LABEL]]
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 %b seq_cst
ret i64 %res
}
; Check NANDs of 1, which must be done using a register.
define i64 @f2(i64 %dummy, i64 *%src) {
; CHECK: f2:
; CHECK: ngr
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 1 seq_cst
ret i64 %res
}
; Check the low end of the NIHF range.
define i64 @f3(i64 %dummy, i64 *%src) {
; CHECK: f3:
; CHECK: lg %r2, 0(%r3)
; CHECK: [[LABEL:\.[^:]*]]:
; CHECK: lgr %r0, %r2
; CHECK: nihf %r0, 0
; CHECK: lcgr %r0, %r0
; CHECK: aghi %r0, -1
; CHECK: csg %r2, %r0, 0(%r3)
; CHECK: jlh [[LABEL]]
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 4294967295 seq_cst
ret i64 %res
}
; Check the next value up, which must use a register.
define i64 @f4(i64 %dummy, i64 *%src) {
; CHECK: f4:
; CHECK: ngr
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 4294967296 seq_cst
ret i64 %res
}
; Check the low end of the NIHH range.
define i64 @f5(i64 %dummy, i64 *%src) {
; CHECK: f5:
; CHECK: nihh %r0, 0
; CHECK: lcgr %r0, %r0
; CHECK: aghi %r0, -1
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 281474976710655 seq_cst
ret i64 %res
}
; Check the next value up, which must use a register.
define i64 @f6(i64 %dummy, i64 *%src) {
; CHECK: f6:
; CHECK: ngr
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 281474976710656 seq_cst
ret i64 %res
}
; Check the highest useful NILL value.
define i64 @f7(i64 %dummy, i64 *%src) {
; CHECK: f7:
; CHECK: nill %r0, 65534
; CHECK: lcgr %r0, %r0
; CHECK: aghi %r0, -1
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -2 seq_cst
ret i64 %res
}
; Check the low end of the NILL range.
define i64 @f8(i64 %dummy, i64 *%src) {
; CHECK: f8:
; CHECK: nill %r0, 0
; CHECK: lcgr %r0, %r0
; CHECK: aghi %r0, -1
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -65536 seq_cst
ret i64 %res
}
; Check the highest useful NILH value, which is one less than the above.
define i64 @f9(i64 %dummy, i64 *%src) {
; CHECK: f9:
; CHECK: nilh %r0, 65534
; CHECK: lcgr %r0, %r0
; CHECK: aghi %r0, -1
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -65537 seq_cst
ret i64 %res
}
; Check the highest useful NILF value, which is one less than the above.
define i64 @f10(i64 %dummy, i64 *%src) {
; CHECK: f10:
; CHECK: nilf %r0, 4294901758
; CHECK: lcgr %r0, %r0
; CHECK: aghi %r0, -1
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -65538 seq_cst
ret i64 %res
}
; Check the low end of the NILH range.
define i64 @f11(i64 %dummy, i64 *%src) {
; CHECK: f11:
; CHECK: nilh %r0, 0
; CHECK: lcgr %r0, %r0
; CHECK: aghi %r0, -1
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -4294901761 seq_cst
ret i64 %res
}
; Check the low end of the NILF range.
define i64 @f12(i64 %dummy, i64 *%src) {
; CHECK: f12:
; CHECK: nilf %r0, 0
; CHECK: lcgr %r0, %r0
; CHECK: aghi %r0, -1
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -4294967296 seq_cst
ret i64 %res
}
; Check the highest useful NIHL value, which is one less than the above.
define i64 @f13(i64 %dummy, i64 *%src) {
; CHECK: f13:
; CHECK: nihl %r0, 65534
; CHECK: lcgr %r0, %r0
; CHECK: aghi %r0, -1
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -4294967297 seq_cst
ret i64 %res
}
; Check the low end of the NIHL range.
define i64 @f14(i64 %dummy, i64 *%src) {
; CHECK: f14:
; CHECK: nihl %r0, 0
; CHECK: lcgr %r0, %r0
; CHECK: aghi %r0, -1
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -281470681743361 seq_cst
ret i64 %res
}
; Check the highest useful NIHH value, which is 1<<32 less than the above.
define i64 @f15(i64 %dummy, i64 *%src) {
; CHECK: f15:
; CHECK: nihh %r0, 65534
; CHECK: lcgr %r0, %r0
; CHECK: aghi %r0, -1
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -281474976710657 seq_cst
ret i64 %res
}
; Check the highest useful NIHF value, which is 1<<32 less than the above.
define i64 @f16(i64 %dummy, i64 *%src) {
; CHECK: f16:
; CHECK: nihf %r0, 4294901758
; CHECK: lcgr %r0, %r0
; CHECK: aghi %r0, -1
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -281479271677953 seq_cst
ret i64 %res
}
|
