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
|
; Test 64-bit atomic NANDs.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
; Check NANDs of a variable.
define i64 @f1(i64 %dummy, i64 *%src, i64 %b) {
; CHECK-LABEL: 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: jl [[LABEL]]
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 %b seq_cst
ret i64 %res
}
; Check NANDs of 1, which are done using a register. (We could use RISBG
; instead, but that isn't implemented yet.)
define i64 @f2(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f2:
; CHECK: ngr
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 1 seq_cst
ret i64 %res
}
; Check the equivalent of NIHF with 1, which can use RISBG instead.
define i64 @f3(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f3:
; CHECK: lg %r2, 0(%r3)
; CHECK: [[LABEL:\.[^:]*]]:
; CHECK: risbg %r0, %r2, 31, 191, 0
; CHECK: lcgr %r0, %r0
; CHECK: aghi %r0, -1
; CHECK: csg %r2, %r0, 0(%r3)
; CHECK: jl [[LABEL]]
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 8589934591 seq_cst
ret i64 %res
}
; Check the lowest NIHF value outside the range of RISBG.
define i64 @f4(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f4:
; CHECK: lg %r2, 0(%r3)
; CHECK: [[LABEL:\.[^:]*]]:
; CHECK: lgr %r0, %r2
; CHECK: nihf %r0, 2
; CHECK: lcgr %r0, %r0
; CHECK: aghi %r0, -1
; CHECK: csg %r2, %r0, 0(%r3)
; CHECK: jl [[LABEL]]
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 12884901887 seq_cst
ret i64 %res
}
; Check the next value up, which must use a register.
define i64 @f5(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f5:
; CHECK: ngr
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 12884901888 seq_cst
ret i64 %res
}
; Check the lowest NIHH value outside the range of RISBG.
define i64 @f6(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f6:
; CHECK: nihh {{%r[0-5]}}, 2
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 844424930131967 seq_cst
ret i64 %res
}
; Check the next value up, which must use a register.
define i64 @f7(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f7:
; CHECK: ngr
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 281474976710656 seq_cst
ret i64 %res
}
; Check the highest NILL value outside the range of RISBG.
define i64 @f8(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f8:
; CHECK: nill {{%r[0-5]}}, 65530
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -6 seq_cst
ret i64 %res
}
; Check the lowest NILL value outside the range of RISBG.
define i64 @f9(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f9:
; CHECK: nill {{%r[0-5]}}, 2
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -65534 seq_cst
ret i64 %res
}
; Check the highest useful NILF value.
define i64 @f10(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f10:
; CHECK: nilf {{%r[0-5]}}, 4294901758
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -65538 seq_cst
ret i64 %res
}
; Check the highest NILH value outside the range of RISBG.
define i64 @f11(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f11:
; CHECK: nilh {{%r[0-5]}}, 65530
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -327681 seq_cst
ret i64 %res
}
; Check the lowest NILH value outside the range of RISBG.
define i64 @f12(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f12:
; CHECK: nilh {{%r[0-5]}}, 2
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -4294770689 seq_cst
ret i64 %res
}
; Check the lowest NILF value outside the range of RISBG.
define i64 @f13(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f13:
; CHECK: nilf {{%r[0-5]}}, 2
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -4294967294 seq_cst
ret i64 %res
}
; Check the highest NIHL value outside the range of RISBG.
define i64 @f14(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f14:
; CHECK: nihl {{%r[0-5]}}, 65530
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -21474836481 seq_cst
ret i64 %res
}
; Check the lowest NIHL value outside the range of RISBG.
define i64 @f15(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f15:
; CHECK: nihl {{%r[0-5]}}, 2
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -281462091808769 seq_cst
ret i64 %res
}
; Check the highest NIHH value outside the range of RISBG.
define i64 @f16(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f16:
; CHECK: nihh {{%r[0-5]}}, 65530
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -1407374883553281 seq_cst
ret i64 %res
}
; Check the highest useful NIHF value.
define i64 @f17(i64 %dummy, i64 *%src) {
; CHECK-LABEL: f17:
; CHECK: nihf {{%r[0-5]}}, 4294901758
; CHECK: br %r14
%res = atomicrmw nand i64 *%src, i64 -281479271677953 seq_cst
ret i64 %res
}
|
