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
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
|
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
; RUN: -mcpu=pwr8 < %s | FileCheck %s -check-prefix=CHECK-LE \
; RUN: --implicit-check-not xxswapd
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu \
; RUN: -mcpu=pwr8 < %s | FileCheck %s -check-prefix=CHECK-BE
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu \
; RUN: -mcpu=pwr8 -mattr=-vsx < %s | FileCheck %s -check-prefix=CHECK-NOVSX
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
; RUN: -mcpu=pwr8 -mattr=-vsx < %s | FileCheck %s -check-prefix=CHECK-NOVSX \
; RUN: --implicit-check-not xxswapd
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu \
; RUN: -mcpu=pwr8 -mattr=-vsx < %s | FileCheck %s -check-prefix=CHECK-BE-NOVSX
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
; RUN: -mcpu=pwr8 -mattr=-vsx < %s | \
; RUN: FileCheck %s -check-prefix=CHECK-LE-NOVSX --implicit-check-not xxswapd
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
; RUN: -mcpu=pwr9 -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr < %s | \
; RUN: FileCheck %s -check-prefix=CHECK-P9 --implicit-check-not xxswapd
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
; RUN: -mcpu=pwr9 -mattr=-vsx < %s | FileCheck %s -check-prefix=CHECK-NOVSX \
; RUN: --implicit-check-not xxswapd
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
; RUN: -mcpu=pwr9 -mattr=-power9-vector -mattr=-direct-move < %s | \
; RUN: FileCheck %s -check-prefix=CHECK-LE --implicit-check-not xxswapd
@x = common global <1 x i128> zeroinitializer, align 16
@y = common global <1 x i128> zeroinitializer, align 16
@a = common global i128 zeroinitializer, align 16
@b = common global i128 zeroinitializer, align 16
; VSX:
; %a is passed in register 34
; The value of 1 is stored in the TOC.
; On LE, ensure the value of 1 is swapped before being used (using xxswapd).
; VMX (no VSX):
; %a is passed in register 2
; The value of 1 is stored in the TOC.
; No swaps are necessary when using P8 Vector instructions on LE
define <1 x i128> @v1i128_increment_by_one(<1 x i128> %a) nounwind {
%tmp = add <1 x i128> %a, <i128 1>
ret <1 x i128> %tmp
; FIXME: Seems a 128-bit literal is materialized by loading from the TOC. There
; should be a better way of doing this.
; CHECK-LE-LABEL: @v1i128_increment_by_one
; CHECK-LE: lxvd2x [[VAL:[0-9]+]], {{[0-9]+}}, {{[0-9]+}}
; CHECK-LE: xxswapd 35, [[VAL]]
; CHECK-LE: vadduqm 2, 2, 3
; CHECK-LE: blr
; CHECK-P9-LABEL: @v1i128_increment_by_one
; The below FIXME is due to the lowering for BUILD_VECTOR that will be fixed
; in a subsequent patch.
; FIXME: li [[R1:r[0-9]+]], 1
; FIXME: li [[R2:r[0-9]+]], 0
; FIXME: mtvsrdd [[V1:v[0-9]+]], [[R2]], [[R1]]
; CHECK-P9: lxvx [[V1:v[0-9]+]]
; CHECK-P9: vadduqm v2, v2, [[V1]]
; CHECK-P9: blr
; CHECK-BE-LABEL: @v1i128_increment_by_one
; CHECK-BE: lxvd2x 35, {{[0-9]+}}, {{[0-9]+}}
; CHECK-BE-NOT: xxswapd
; CHECK-BE: vadduqm 2, 2, 3
; CHECK-BE-NOT: xxswapd 34, {{[0-9]+}}
; CHECK-BE: blr
; CHECK-NOVSX-LABEL: @v1i128_increment_by_one
; CHECK-NOVSX-NOT: xxswapd {{[0-9]+}}, {{[0-9]+}}
; CHECK-NOVSX-NOT: stxvd2x {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
; CHECK-NOVSX: lvx [[VAL:[0-9]+]], {{[0-9]+}}, {{[0-9]+}}
; CHECK-NOVSX-NOT: lxvd2x {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
; CHECK-NOVSX-NOT: xxswapd {{[0-9]+}}, {{[0-9]+}}
; CHECK-NOVSX: vadduqm 2, 2, [[VAL]]
; CHECK-NOVSX: blr
}
; VSX:
; %a is passed in register 34
; %b is passed in register 35
; No swaps are necessary when using P8 Vector instructions on LE
; VMX (no VSX):
; %a is passewd in register 2
; %b is passed in register 3
; On LE, do not need to swap contents of 2 and 3 because the lvx/stvx
; instructions no not swap elements
define <1 x i128> @v1i128_increment_by_val(<1 x i128> %a, <1 x i128> %b) nounwind {
%tmp = add <1 x i128> %a, %b
ret <1 x i128> %tmp
; CHECK-LE-LABEL: @v1i128_increment_by_val
; CHECK-LE-NOT: xxswapd
; CHECK-LE: adduqm 2, 2, 3
; CHECK-LE: blr
; CHECK-BE-LABEL: @v1i128_increment_by_val
; CHECK-BE-NOT: xxswapd {{[0-9]+}}, 34
; CHECK-BE-NOT: xxswapd {{[0-9]+}}, 35
; CHECK-BE-NOT: xxswapd 34, [[RESULT]]
; CHECK-BE: adduqm 2, 2, 3
; CHECK-BE: blr
; CHECK-NOVSX-LABEL: @v1i128_increment_by_val
; CHECK-NOVSX-NOT: xxswapd 34, [[RESULT]]
; CHECK-NOVSX: adduqm 2, 2, 3
; CHECK-NOVSX: blr
}
; Little Endian (VSX and VMX):
; Lower 64-bits of %a are passed in register 3
; Upper 64-bits of %a are passed in register 4
; Increment lower 64-bits using addic (immediate value of 1)
; Increment upper 64-bits using add zero extended
; Results are placed in registers 3 and 4
; Big Endian (VSX and VMX)
; Lower 64-bits of %a are passed in register 4
; Upper 64-bits of %a are passed in register 3
; Increment lower 64-bits using addic (immediate value of 1)
; Increment upper 64-bits using add zero extended
; Results are placed in registers 3 and 4
define i128 @i128_increment_by_one(i128 %a) nounwind {
%tmp = add i128 %a, 1
ret i128 %tmp
; CHECK-LE-LABEL: @i128_increment_by_one
; CHECK-LE: addic 3, 3, 1
; CHECK-LE-NEXT: addze 4, 4
; CHECK-LE: blr
; CHECK-BE-LABEL: @i128_increment_by_one
; CHECK-BE: addic 4, 4, 1
; CHECK-BE-NEXT: addze 3, 3
; CHECK-BE: blr
; CHECK-LE-NOVSX-LABEL: @i128_increment_by_one
; CHECK-LE-NOVSX: addic 3, 3, 1
; CHECK-LE-NOVSX-NEXT: addze 4, 4
; CHECK-LE-NOVSX: blr
; CHECK-BE-NOVSX-LABEL: @i128_increment_by_one
; CHECK-BE-NOVSX: addic 4, 4, 1
; CHECK-BE-NOVSX-NEXT: addze 3, 3
; CHECK-BE-NOVSX: blr
}
; Little Endian (VSX and VMX):
; Lower 64-bits of %a are passed in register 3
; Upper 64-bits of %a are passed in register 4
; Lower 64-bits of %b are passed in register 5
; Upper 64-bits of %b are passed in register 6
; Add the lower 64-bits using addc on registers 3 and 5
; Add the upper 64-bits using adde on registers 4 and 6
; Registers 3 and 4 should hold the result
; Big Endian (VSX and VMX):
; Upper 64-bits of %a are passed in register 3
; Lower 64-bits of %a are passed in register 4
; Upper 64-bits of %b are passed in register 5
; Lower 64-bits of %b are passed in register 6
; Add the lower 64-bits using addc on registers 4 and 6
; Add the upper 64-bits using adde on registers 3 and 5
; Registers 3 and 4 should hold the result
define i128 @i128_increment_by_val(i128 %a, i128 %b) nounwind {
%tmp = add i128 %a, %b
ret i128 %tmp
; CHECK-LE-LABEL: @i128_increment_by_val
; CHECK-LE: addc 3, 3, 5
; CHECK-LE-NEXT: adde 4, 4, 6
; CHECK-LE: blr
; CHECK-BE-LABEL: @i128_increment_by_val
; CHECK-BE: addc 4, 4, 6
; CHECK-BE-NEXT: adde 3, 3, 5
; CHECK-BE: blr
; CHECK-LE-NOVSX-LABEL: @i128_increment_by_val
; CHECK-LE-NOVSX: addc 3, 3, 5
; CHECK-LE-NOVSX-NEXT: adde 4, 4, 6
; CHECK-LE-NOVSX: blr
; CHECK-BE-NOVSX-LABEL: @i128_increment_by_val
; CHECK-BE-NOVSX: addc 4, 4, 6
; CHECK-BE-NOVSX-NEXT: adde 3, 3, 5
; CHECK-BE-NOVSX: blr
}
; Callsites for the routines defined above.
; Ensure the parameters are loaded in the same order that is expected by the
; callee. See comments for individual functions above for details on registers
; used for parameters.
define <1 x i128> @call_v1i128_increment_by_one() nounwind {
%tmp = load <1 x i128>, <1 x i128>* @x, align 16
%ret = call <1 x i128> @v1i128_increment_by_one(<1 x i128> %tmp)
ret <1 x i128> %ret
; CHECK-LE-LABEL: @call_v1i128_increment_by_one
; CHECK-LE: lvx 2, {{[0-9]+}}, {{[0-9]+}}
; CHECK-LE: bl v1i128_increment_by_one
; CHECK-LE: blr
; CHECK-P9-LABEL: @call_v1i128_increment_by_one
; CHECK-P9: lxv
; CHECK-P9: bl v1i128_increment_by_one
; CHECK-P9: blr
; CHECK-BE-LABEL: @call_v1i128_increment_by_one
; CHECK-BE: lxvw4x 34, {{[0-9]+}}, {{[0-9]+}}
; CHECK-BE-NOT: xxswapd 34, {{[0-9]+}}
; CHECK-BE: bl v1i128_increment_by_one
; CHECK-BE: blr
; CHECK-NOVSX-LABEL: @call_v1i128_increment_by_one
; CHECK-NOVSX: lvx 2, {{[0-9]+}}, {{[0-9]+}}
; CHECK-NOVSX-NOT: xxswapd {{[0-9]+}}, {{[0-9]+}}
; CHECK-NOVSX: bl v1i128_increment_by_one
; CHECK-NOVSX: blr
}
define <1 x i128> @call_v1i128_increment_by_val() nounwind {
%tmp = load <1 x i128>, <1 x i128>* @x, align 16
%tmp2 = load <1 x i128>, <1 x i128>* @y, align 16
%ret = call <1 x i128> @v1i128_increment_by_val(<1 x i128> %tmp, <1 x i128> %tmp2)
ret <1 x i128> %ret
; CHECK-LE-LABEL: @call_v1i128_increment_by_val
; CHECK-LE: lvx 2, {{[0-9]+}}, {{[0-9]+}}
; CHECK-LE: lvx 3, {{[0-9]+}}, {{[0-9]+}}
; CHECK-LE: bl v1i128_increment_by_val
; CHECK-LE: blr
; CHECK-P9-LABEL: @call_v1i128_increment_by_val
; CHECK-P9-DAG: lxvx v2
; CHECK-P9-DAG: lxvx v3
; CHECK-P9: bl v1i128_increment_by_val
; CHECK-P9: blr
; CHECK-BE-LABEL: @call_v1i128_increment_by_val
; CHECK-BE-DAG: lxvw4x 35, {{[0-9]+}}, {{[0-9]+}}
; CHECK-BE-NOT: xxswapd 34, {{[0-9]+}}
; CHECK-BE-NOT: xxswapd 35, {{[0-9]+}}
; CHECK-BE: bl v1i128_increment_by_val
; CHECK-BE: blr
; CHECK-NOVSX-LABEL: @call_v1i128_increment_by_val
; CHECK-NOVSX-DAG: lvx 2, {{[0-9]+}}, {{[0-9]+}}
; CHECK-NOVSX-DAG: lvx 3, {{[0-9]+}}, {{[0-9]+}}
; CHECK-NOVSX-NOT: xxswapd 34, {{[0-9]+}}
; CHECK-NOVSX-NOT: xxswapd 35, {{[0-9]+}}
; CHECK-NOVSX: bl v1i128_increment_by_val
; CHECK-NOVSX: blr
}
define i128 @call_i128_increment_by_one() nounwind {
%tmp = load i128, i128* @a, align 16
%ret = call i128 @i128_increment_by_one(i128 %tmp)
ret i128 %ret
; %ret4 = call i128 @i128_increment_by_val(i128 %tmp2, i128 %tmp2)
; CHECK-LE-LABEL: @call_i128_increment_by_one
; CHECK-LE-DAG: ld 3, 0([[BASEREG:[0-9]+]])
; CHECK-LE-DAG: ld 4, 8([[BASEREG]])
; CHECK-LE: bl i128_increment_by_one
; CHECK-LE: blr
; CHECK-BE-LABEL: @call_i128_increment_by_one
; CHECK-BE-DAG: ld 3, 0([[BASEREG:[0-9]+]])
; CHECK-BE-DAG: ld 4, 8([[BASEREG]])
; CHECK-BE: bl i128_increment_by_one
; CHECK-BE: blr
; CHECK-NOVSX-LABEL: @call_i128_increment_by_one
; CHECK-NOVSX-DAG: ld 3, 0([[BASEREG:[0-9]+]])
; CHECK-NOVSX-DAG: ld 4, 8([[BASEREG]])
; CHECK-NOVSX: bl i128_increment_by_one
; CHECK-NOVSX: blr
}
define i128 @call_i128_increment_by_val() nounwind {
%tmp = load i128, i128* @a, align 16
%tmp2 = load i128, i128* @b, align 16
%ret = call i128 @i128_increment_by_val(i128 %tmp, i128 %tmp2)
ret i128 %ret
; CHECK-LE-LABEL: @call_i128_increment_by_val
; CHECK-LE-DAG: ld 3, 0([[P1BASEREG:[0-9]+]])
; CHECK-LE-DAG: ld 4, 8([[P1BASEREG]])
; CHECK-LE-DAG: ld 5, 0([[P2BASEREG:[0-9]+]])
; CHECK-LE-DAG: ld 6, 8([[P2BASEREG]])
; CHECK-LE: bl i128_increment_by_val
; CHECK-LE: blr
; CHECK-BE-LABEL: @call_i128_increment_by_val
; CHECK-BE-DAG: ld 3, 0([[P1BASEREG:[0-9]+]])
; CHECK-BE-DAG: ld 4, 8([[P1BASEREG]])
; CHECK-BE-DAG: ld 5, 0([[P2BASEREG:[0-9]+]])
; CHECK-BE-DAG: ld 6, 8([[P2BASEREG]])
; CHECK-BE: bl i128_increment_by_val
; CHECK-BE: blr
; CHECK-NOVSX-LABEL: @call_i128_increment_by_val
; CHECK-NOVSX-DAG: ld 3, 0([[P1BASEREG:[0-9]+]])
; CHECK-NOVSX-DAG: ld 4, 8([[P1BASEREG]])
; CHECK-NOVSX-DAG: ld 5, 0([[P2BASEREG:[0-9]+]])
; CHECK-NOVSX-DAG: ld 6, 8([[P2BASEREG]])
; CHECK-NOVSX: bl i128_increment_by_val
; CHECK-NOVSX: blr
}
|
