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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
declare i8 @llvm.fshr.i8(i8, i8, i8)
declare i16 @llvm.fshr.i16(i16, i16, i16)
declare i32 @llvm.fshr.i32(i32, i32, i32)
declare i64 @llvm.fshr.i64(i64, i64, i64)
declare i128 @llvm.fshr.i128(i128, i128, i128)
;
; Variable Funnel Shift
;
define i8 @var_shift_i8(i8 %x, i8 %y, i8 %z) {
; CHECK-LABEL: var_shift_i8:
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def $r3l killed $r3l def $r3d
; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d
; CHECK-NEXT: sll %r2, 8
; CHECK-NEXT: rosbg %r2, %r3, 56, 63, 0
; CHECK-NEXT: nill %r4, 7
; CHECK-NEXT: srl %r2, 0(%r4)
; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT: br %r14
%tmp = tail call i8 @llvm.fshr.i8(i8 %x, i8 %y, i8 %z)
ret i8 %tmp
}
define i16 @var_shift_i16(i16 %x, i16 %y, i16 %z) {
; CHECK-LABEL: var_shift_i16:
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def $r3l killed $r3l def $r3d
; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d
; CHECK-NEXT: sll %r2, 16
; CHECK-NEXT: rosbg %r2, %r3, 48, 63, 0
; CHECK-NEXT: nill %r4, 15
; CHECK-NEXT: srl %r2, 0(%r4)
; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT: br %r14
%tmp = tail call i16 @llvm.fshr.i16(i16 %x, i16 %y, i16 %z)
ret i16 %tmp
}
define i32 @var_shift_i32(i32 %x, i32 %y, i32 %z) {
; CHECK-LABEL: var_shift_i32:
; CHECK: # %bb.0:
; CHECK-NEXT: lr %r1, %r4
; CHECK-NEXT: nill %r1, 31
; CHECK-NEXT: srl %r3, 0(%r1)
; CHECK-NEXT: sll %r2, 1
; CHECK-NEXT: xilf %r4, 4294967295
; CHECK-NEXT: nill %r4, 31
; CHECK-NEXT: sll %r2, 0(%r4)
; CHECK-NEXT: or %r2, %r3
; CHECK-NEXT: br %r14
%tmp = tail call i32 @llvm.fshr.i32(i32 %x, i32 %y, i32 %z)
ret i32 %tmp
}
define i64 @var_shift_i64(i64 %x, i64 %y, i64 %z) {
; CHECK-LABEL: var_shift_i64:
; CHECK: # %bb.0:
; CHECK-NEXT: srlg %r0, %r3, 0(%r4)
; CHECK-NEXT: sllg %r1, %r2, 1
; CHECK-NEXT: xilf %r4, 4294967295
; CHECK-NEXT: sllg %r2, %r1, 0(%r4)
; CHECK-NEXT: ogr %r2, %r0
; CHECK-NEXT: br %r14
%tmp = tail call i64 @llvm.fshr.i64(i64 %x, i64 %y, i64 %z)
ret i64 %tmp
}
define i128 @var_shift_i128(i128 %x, i128 %y, i128 %z) {
; CHECK-LABEL: var_shift_i128:
; CHECK: # %bb.0:
; CHECK-NEXT: stmg %r14, %r15, 112(%r15)
; CHECK-NEXT: .cfi_offset %r14, -48
; CHECK-NEXT: .cfi_offset %r15, -40
; CHECK-NEXT: lg %r1, 8(%r5)
; CHECK-NEXT: lg %r5, 8(%r3)
; CHECK-NEXT: lg %r0, 0(%r4)
; CHECK-NEXT: tmll %r1, 64
; CHECK-NEXT: jne .LBB4_2
; CHECK-NEXT: # %bb.1:
; CHECK-NEXT: lg %r4, 8(%r4)
; CHECK-NEXT: srlg %r14, %r0, 0(%r1)
; CHECK-NEXT: jne .LBB4_3
; CHECK-NEXT: j .LBB4_4
; CHECK-NEXT: .LBB4_2:
; CHECK-NEXT: lgr %r4, %r0
; CHECK-NEXT: lgr %r0, %r5
; CHECK-NEXT: srlg %r14, %r0, 0(%r1)
; CHECK-NEXT: je .LBB4_4
; CHECK-NEXT: .LBB4_3:
; CHECK-NEXT: lg %r5, 0(%r3)
; CHECK-NEXT: .LBB4_4:
; CHECK-NEXT: sllg %r3, %r5, 1
; CHECK-NEXT: srlg %r4, %r4, 0(%r1)
; CHECK-NEXT: xilf %r1, 4294967295
; CHECK-NEXT: sllg %r3, %r3, 0(%r1)
; CHECK-NEXT: ogr %r3, %r14
; CHECK-NEXT: sllg %r0, %r0, 1
; CHECK-NEXT: sllg %r0, %r0, 0(%r1)
; CHECK-NEXT: ogr %r0, %r4
; CHECK-NEXT: stg %r0, 8(%r2)
; CHECK-NEXT: stg %r3, 0(%r2)
; CHECK-NEXT: lmg %r14, %r15, 112(%r15)
; CHECK-NEXT: br %r14
%tmp = tail call i128 @llvm.fshr.i128(i128 %x, i128 %y, i128 %z)
ret i128 %tmp
}
;
; Const Funnel Shift
;
define i8 @const_shift_i8(i8 %x, i8 %y) {
; CHECK-LABEL: const_shift_i8:
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def $r3l killed $r3l def $r3d
; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d
; CHECK-NEXT: sll %r2, 1
; CHECK-NEXT: rosbg %r2, %r3, 63, 63, 57
; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT: br %r14
%tmp = tail call i8 @llvm.fshr.i8(i8 %x, i8 %y, i8 7)
ret i8 %tmp
}
define i16 @const_shift_i16(i16 %x, i16 %y) {
; CHECK-LABEL: const_shift_i16:
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def $r3l killed $r3l def $r3d
; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d
; CHECK-NEXT: sll %r2, 9
; CHECK-NEXT: rosbg %r2, %r3, 55, 63, 57
; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT: br %r14
%tmp = tail call i16 @llvm.fshr.i16(i16 %x, i16 %y, i16 7)
ret i16 %tmp
}
define i32 @const_shift_i32(i32 %x, i32 %y) {
; CHECK-LABEL: const_shift_i32:
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def $r3l killed $r3l def $r3d
; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d
; CHECK-NEXT: sll %r2, 25
; CHECK-NEXT: rosbg %r2, %r3, 39, 63, 57
; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT: br %r14
%tmp = tail call i32 @llvm.fshr.i32(i32 %x, i32 %y, i32 7)
ret i32 %tmp
}
define i64 @const_shift_i64(i64 %x, i64 %y) {
; CHECK-LABEL: const_shift_i64:
; CHECK: # %bb.0:
; CHECK-NEXT: sllg %r2, %r2, 57
; CHECK-NEXT: rosbg %r2, %r3, 7, 63, 57
; CHECK-NEXT: br %r14
%tmp = tail call i64 @llvm.fshr.i64(i64 %x, i64 %y, i64 7)
ret i64 %tmp
}
|
