1;; GCC machine description for AVX512F instructions
2;; Copyright (C) 2013-2018 Free Software Foundation, Inc.
3;;
4;; This file is part of GCC.
5;;
6;; GCC is free software; you can redistribute it and/or modify
7;; it under the terms of the GNU General Public License as published by
8;; the Free Software Foundation; either version 3, or (at your option)
9;; any later version.
10;;
11;; GCC is distributed in the hope that it will be useful,
12;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14;; GNU General Public License for more details.
15;;
16;; You should have received a copy of the GNU General Public License
17;; along with GCC; see the file COPYING3.  If not see
18;; <http://www.gnu.org/licenses/>.
19
20;; Some iterators for extending subst as much as possible
21;; All vectors (Use it for destination)
22(define_mode_iterator SUBST_V
23  [V64QI V32QI V16QI
24   V32HI V16HI V8HI
25   V16SI V8SI  V4SI
26   V8DI  V4DI  V2DI
27   V16SF V8SF  V4SF
28   V8DF  V4DF  V2DF])
29
30(define_mode_iterator SUBST_S
31  [QI HI SI DI])
32
33(define_mode_iterator SUBST_A
34  [V64QI V32QI V16QI
35   V32HI V16HI V8HI
36   V16SI V8SI  V4SI
37   V8DI  V4DI  V2DI
38   V16SF V8SF  V4SF
39   V8DF  V4DF  V2DF
40   QI HI SI DI SF DF])
41
42(define_subst_attr "mask_name" "mask" "" "_mask")
43(define_subst_attr "mask_applied" "mask" "false" "true")
44(define_subst_attr "mask_operand2" "mask" "" "%{%3%}%N2")
45(define_subst_attr "mask_operand3" "mask" "" "%{%4%}%N3")
46(define_subst_attr "mask_operand3_1" "mask" "" "%%{%%4%%}%%N3") ;; for sprintf
47(define_subst_attr "mask_operand4" "mask" "" "%{%5%}%N4")
48(define_subst_attr "mask_operand6" "mask" "" "%{%7%}%N6")
49(define_subst_attr "mask_operand7" "mask" "" "%{%8%}%N7")
50(define_subst_attr "mask_operand10" "mask" "" "%{%11%}%N10")
51(define_subst_attr "mask_operand11" "mask" "" "%{%12%}%N11")
52(define_subst_attr "mask_operand18" "mask" "" "%{%19%}%N18")
53(define_subst_attr "mask_operand19" "mask" "" "%{%20%}%N19")
54(define_subst_attr "mask_codefor" "mask" "*" "")
55(define_subst_attr "mask_operand_arg34" "mask" "" ", operands[3], operands[4]")
56(define_subst_attr "mask_mode512bit_condition" "mask" "1" "(<MODE_SIZE> == 64 || TARGET_AVX512VL)")
57(define_subst_attr "mask_avx512vl_condition" "mask" "1" "TARGET_AVX512VL")
58(define_subst_attr "mask_avx512bw_condition" "mask" "1" "TARGET_AVX512BW")
59(define_subst_attr "mask_avx512dq_condition" "mask" "1" "TARGET_AVX512DQ")
60(define_subst_attr "store_mask_constraint" "mask" "vm" "v")
61(define_subst_attr "store_mask_predicate" "mask" "nonimmediate_operand" "register_operand")
62(define_subst_attr "mask_prefix" "mask" "vex" "evex")
63(define_subst_attr "mask_prefix2" "mask" "maybe_vex" "evex")
64(define_subst_attr "mask_prefix3" "mask" "orig,vex" "evex,evex")
65(define_subst_attr "mask_prefix4" "mask" "orig,orig,vex" "evex,evex,evex")
66(define_subst_attr "mask_expand_op3" "mask" "3" "5")
67
68(define_subst "mask"
69  [(set (match_operand:SUBST_V 0)
70        (match_operand:SUBST_V 1))]
71  "TARGET_AVX512F"
72  [(set (match_dup 0)
73        (vec_merge:SUBST_V
74	  (match_dup 1)
75	  (match_operand:SUBST_V 2 "vector_move_operand" "0C")
76	  (match_operand:<avx512fmaskmode> 3 "register_operand" "Yk")))])
77
78(define_subst_attr "mask_scalar_merge_name" "mask_scalar_merge" "" "_mask")
79(define_subst_attr "mask_scalar_merge_operand3" "mask_scalar_merge" "" "%{%3%}")
80(define_subst_attr "mask_scalar_merge_operand4" "mask_scalar_merge" "" "%{%4%}")
81
82(define_subst "mask_scalar_merge"
83  [(set (match_operand:SUBST_S 0)
84        (match_operand:SUBST_S 1))]
85  "TARGET_AVX512F"
86  [(set (match_dup 0)
87        (and:SUBST_S
88	  (match_dup 1)
89	  (match_operand:SUBST_S 3 "register_operand" "Yk")))])
90
91(define_subst_attr "sd_maskz_name" "sd" "" "_maskz_1")
92(define_subst_attr "sd_mask_op4" "sd" "" "%{%5%}%N4")
93(define_subst_attr "sd_mask_op5" "sd" "" "%{%6%}%N5")
94(define_subst_attr "sd_mask_codefor" "sd" "*" "")
95(define_subst_attr "sd_mask_mode512bit_condition" "sd" "1" "(<MODE_SIZE> == 64 || TARGET_AVX512VL)")
96
97(define_subst "sd"
98 [(set (match_operand:SUBST_V 0)
99       (match_operand:SUBST_V 1))]
100 ""
101 [(set (match_dup 0)
102       (vec_merge:SUBST_V
103	 (match_dup 1)
104	 (match_operand:SUBST_V 2 "const0_operand" "C")
105	 (match_operand:<avx512fmaskmode> 3 "register_operand" "Yk")))
106])
107
108(define_subst_attr "round_name" "round" "" "_round")
109(define_subst_attr "round_mask_operand2" "mask" "%R2" "%R4")
110(define_subst_attr "round_mask_operand3" "mask" "%R3" "%R5")
111(define_subst_attr "round_mask_operand4" "mask" "%R4" "%R6")
112(define_subst_attr "round_sd_mask_operand4" "sd" "%R4" "%R6")
113(define_subst_attr "round_op2" "round" "" "%R2")
114(define_subst_attr "round_op3" "round" "" "%R3")
115(define_subst_attr "round_op4" "round" "" "%R4")
116(define_subst_attr "round_op5" "round" "" "%R5")
117(define_subst_attr "round_op6" "round" "" "%R6")
118(define_subst_attr "round_mask_op2" "round" "" "<round_mask_operand2>")
119(define_subst_attr "round_mask_op3" "round" "" "<round_mask_operand3>")
120(define_subst_attr "round_mask_op4" "round" "" "<round_mask_operand4>")
121(define_subst_attr "round_sd_mask_op4" "round" "" "<round_sd_mask_operand4>")
122(define_subst_attr "round_constraint" "round" "vm" "v")
123(define_subst_attr "round_constraint2" "round" "m" "v")
124(define_subst_attr "round_constraint3" "round" "rm" "r")
125(define_subst_attr "round_nimm_predicate" "round" "vector_operand" "register_operand")
126(define_subst_attr "round_nimm_scalar_predicate" "round" "nonimmediate_operand" "register_operand")
127(define_subst_attr "round_prefix" "round" "vex" "evex")
128(define_subst_attr "round_mode512bit_condition" "round" "1" "(<MODE>mode == V16SFmode
129							      || <MODE>mode == V8DFmode
130							      || <MODE>mode == V8DImode
131							      || <MODE>mode == V16SImode)")
132(define_subst_attr "round_modev8sf_condition" "round" "1" "(<MODE>mode == V8SFmode)")
133(define_subst_attr "round_modev4sf_condition" "round" "1" "(<MODE>mode == V4SFmode)")
134(define_subst_attr "round_codefor" "round" "*" "")
135(define_subst_attr "round_opnum" "round" "5" "6")
136
137(define_subst "round"
138  [(set (match_operand:SUBST_A 0)
139	(match_operand:SUBST_A 1))]
140  "TARGET_AVX512F"
141  [(set (match_dup 0)
142	(unspec:SUBST_A [(match_dup 1)
143	  (match_operand:SI 2 "const_4_or_8_to_11_operand")]
144	  UNSPEC_EMBEDDED_ROUNDING))
145])
146
147(define_subst_attr "round_saeonly_name" "round_saeonly" "" "_round")
148(define_subst_attr "round_saeonly_mask_operand2" "mask" "%r2" "%r4")
149(define_subst_attr "round_saeonly_mask_operand3" "mask" "%r3" "%r5")
150(define_subst_attr "round_saeonly_mask_operand4" "mask" "%r4" "%r6")
151(define_subst_attr "round_saeonly_mask_scalar_merge_operand4" "mask_scalar_merge" "%r4" "%r5")
152(define_subst_attr "round_saeonly_sd_mask_operand5" "sd" "%r5" "%r7")
153(define_subst_attr "round_saeonly_op2" "round_saeonly" "" "%r2")
154(define_subst_attr "round_saeonly_op3" "round_saeonly" "" "%r3")
155(define_subst_attr "round_saeonly_op4" "round_saeonly" "" "%r4")
156(define_subst_attr "round_saeonly_op5" "round_saeonly" "" "%r5")
157(define_subst_attr "round_saeonly_op6" "round_saeonly" "" "%r6")
158(define_subst_attr "round_saeonly_prefix" "round_saeonly" "vex" "evex")
159(define_subst_attr "round_saeonly_mask_op2" "round_saeonly" "" "<round_saeonly_mask_operand2>")
160(define_subst_attr "round_saeonly_mask_op3" "round_saeonly" "" "<round_saeonly_mask_operand3>")
161(define_subst_attr "round_saeonly_mask_op4" "round_saeonly" "" "<round_saeonly_mask_operand4>")
162(define_subst_attr "round_saeonly_mask_scalar_merge_op4" "round_saeonly" "" "<round_saeonly_mask_scalar_merge_operand4>")
163(define_subst_attr "round_saeonly_sd_mask_op5" "round_saeonly" "" "<round_saeonly_sd_mask_operand5>")
164(define_subst_attr "round_saeonly_mask_arg3" "round_saeonly" "" ", operands[<mask_expand_op3>]")
165(define_subst_attr "round_saeonly_constraint" "round_saeonly" "vm" "v")
166(define_subst_attr "round_saeonly_constraint2" "round_saeonly" "m" "v")
167(define_subst_attr "round_saeonly_nimm_predicate" "round_saeonly" "vector_operand" "register_operand")
168(define_subst_attr "round_saeonly_nimm_scalar_predicate" "round_saeonly" "nonimmediate_operand" "register_operand")
169(define_subst_attr "round_saeonly_mode512bit_condition" "round_saeonly" "1" "(<MODE>mode == V16SFmode
170									      || <MODE>mode == V8DFmode
171									      || <MODE>mode == V8DImode
172									      || <MODE>mode == V16SImode)")
173(define_subst_attr "round_saeonly_modev8sf_condition" "round_saeonly" "1" "(<MODE>mode == V8SFmode)")
174
175(define_subst "round_saeonly"
176  [(set (match_operand:SUBST_A 0)
177        (match_operand:SUBST_A 1))]
178  "TARGET_AVX512F"
179  [(set (match_dup 0)
180	(unspec:SUBST_A [(match_dup 1)
181	  (match_operand:SI 2 "const48_operand")]
182	  UNSPEC_EMBEDDED_ROUNDING))
183])
184
185(define_subst "round_saeonly"
186  [(set (match_operand:CCFP 0)
187        (match_operand:CCFP 1))]
188  "TARGET_AVX512F"
189  [(set (match_dup 0)
190	(unspec:CCFP [(match_dup 1)
191	  (match_operand:SI 2 "const48_operand")]
192	  UNSPEC_EMBEDDED_ROUNDING))
193])
194
195(define_subst_attr "round_expand_name" "round_expand" "" "_round")
196(define_subst_attr "round_expand_nimm_predicate" "round_expand" "nonimmediate_operand" "register_operand")
197(define_subst_attr "round_expand_operand" "round_expand" "" ", operands[5]")
198
199(define_subst "round_expand"
200 [(match_operand:SUBST_V 0)
201  (match_operand:SUBST_V 1)
202  (match_operand:SUBST_V 2)
203  (match_operand:SUBST_V 3)
204  (match_operand:SUBST_S 4)]
205  "TARGET_AVX512F"
206  [(match_dup 0)
207   (match_dup 1)
208   (match_dup 2)
209   (match_dup 3)
210   (match_dup 4)
211   (unspec [(match_operand:SI 5 "const_4_or_8_to_11_operand")] UNSPEC_EMBEDDED_ROUNDING)])
212
213(define_subst_attr "round_saeonly_expand_name" "round_saeonly_expand" "" "_round")
214(define_subst_attr "round_saeonly_expand_nimm_predicate" "round_saeonly_expand" "nonimmediate_operand" "register_operand")
215(define_subst_attr "round_saeonly_expand_operand6" "round_saeonly_expand" "" ", operands[6]")
216
217(define_subst "round_saeonly_expand"
218 [(match_operand:SUBST_V 0)
219  (match_operand:SUBST_V 1)
220  (match_operand:SUBST_V 2)
221  (match_operand:SUBST_A 3)
222  (match_operand:SI 4)
223  (match_operand:SUBST_S 5)]
224  "TARGET_AVX512F"
225  [(match_dup 0)
226   (match_dup 1)
227   (match_dup 2)
228   (match_dup 3)
229   (match_dup 4)
230   (match_dup 5)
231   (unspec [(match_operand:SI 6 "const48_operand")] UNSPEC_EMBEDDED_ROUNDING)])
232
233(define_subst_attr "mask_expand4_name" "mask_expand4" "" "_mask")
234(define_subst_attr "mask_expand4_args" "mask_expand4" "" ", operands[4], operands[5]")
235
236(define_subst "mask_expand4"
237  [(match_operand:SUBST_V 0)
238   (match_operand:SUBST_V 1)
239   (match_operand:SUBST_V 2)
240   (match_operand:SI 3)]
241   "TARGET_AVX512VL"
242   [(match_dup 0)
243    (match_dup 1)
244    (match_dup 2)
245    (match_dup 3)
246    (match_operand:SUBST_V 4 "vector_move_operand")
247    (match_operand:<avx512fmaskmode> 5 "register_operand")])
248
249(define_subst_attr "mask_scalar_name" "mask_scalar" "" "_mask")
250(define_subst_attr "mask_scalar_operand3" "mask_scalar" "" "%{%4%}%N3")
251(define_subst_attr "mask_scalar_operand4" "mask_scalar" "" "%{%5%}%N4")
252
253(define_subst "mask_scalar"
254  [(set (match_operand:SUBST_V 0)
255	(vec_merge:SUBST_V
256	  (match_operand:SUBST_V 1)
257	  (match_operand:SUBST_V 2)
258	  (const_int 1)))]
259  "TARGET_AVX512F"
260  [(set (match_dup 0)
261	(vec_merge:SUBST_V
262	  (vec_merge:SUBST_V
263	    (match_dup 1)
264	    (match_operand:SUBST_V 3 "vector_move_operand" "0C")
265	    (match_operand:<avx512fmaskmode> 4 "register_operand" "Yk"))
266	  (match_dup 2)
267	  (const_int 1)))])
268
269(define_subst_attr "round_scalar_name" "round_scalar" "" "_round")
270(define_subst_attr "round_scalar_mask_operand3" "mask_scalar" "%R3" "%R5")
271(define_subst_attr "round_scalar_mask_op3" "round_scalar" "" "<round_scalar_mask_operand3>")
272(define_subst_attr "round_scalar_constraint" "round_scalar" "vm" "v")
273(define_subst_attr "round_scalar_prefix" "round_scalar" "vex" "evex")
274(define_subst_attr "round_scalar_nimm_predicate" "round_scalar" "vector_operand" "register_operand")
275
276(define_subst "round_scalar"
277  [(set (match_operand:SUBST_V 0)
278        (vec_merge:SUBST_V
279          (match_operand:SUBST_V 1)
280          (match_operand:SUBST_V 2)
281          (const_int 1)))]
282  "TARGET_AVX512F"
283  [(set (match_dup 0)
284	(unspec:SUBST_V [
285	     (vec_merge:SUBST_V
286		(match_dup 1)
287		(match_dup 2)
288		(const_int 1))
289	     (match_operand:SI 3 "const_4_or_8_to_11_operand")]
290		UNSPEC_EMBEDDED_ROUNDING))])
291
292(define_subst_attr "round_saeonly_scalar_name" "round_saeonly_scalar" "" "_round")
293(define_subst_attr "round_saeonly_scalar_mask_operand3" "mask_scalar" "%r3" "%r5")
294(define_subst_attr "round_saeonly_scalar_mask_operand4" "mask_scalar" "%r4" "%r6")
295(define_subst_attr "round_saeonly_scalar_mask_op3" "round_saeonly_scalar" "" "<round_saeonly_scalar_mask_operand3>")
296(define_subst_attr "round_saeonly_scalar_mask_op4" "round_saeonly_scalar" "" "<round_saeonly_scalar_mask_operand4>")
297(define_subst_attr "round_saeonly_scalar_constraint" "round_saeonly_scalar" "vm" "v")
298(define_subst_attr "round_saeonly_scalar_prefix" "round_saeonly_scalar" "vex" "evex")
299(define_subst_attr "round_saeonly_scalar_nimm_predicate" "round_saeonly_scalar" "vector_operand" "register_operand")
300
301(define_subst "round_saeonly_scalar"
302  [(set (match_operand:SUBST_V 0)
303        (vec_merge:SUBST_V
304          (match_operand:SUBST_V 1)
305          (match_operand:SUBST_V 2)
306          (const_int 1)))]
307  "TARGET_AVX512F"
308  [(set (match_dup 0)
309	(unspec:SUBST_V [
310	     (vec_merge:SUBST_V
311		(match_dup 1)
312		(match_dup 2)
313		(const_int 1))
314	     (match_operand:SI 3 "const48_operand")]
315		UNSPEC_EMBEDDED_ROUNDING))])
316