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[thirdparty/gcc.git] / gcc / config / gcn / gcn.h
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99dee823 1/* Copyright (C) 2016-2021 Free Software Foundation, Inc.
5326695a
AS		 2
3 This file is free software; you can redistribute it and/or modify it under
4 the terms of the GNU General Public License as published by the Free
5 Software Foundation; either version 3 of the License, or (at your option)
6 any later version.
7
8 This file is distributed in the hope that it will be useful, but WITHOUT
9 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 for more details.
12
13 You should have received a copy of the GNU General Public License
14 along with GCC; see the file COPYING3. If not see
15 <http://www.gnu.org/licenses/>. */
16
17#include "config/gcn/gcn-opts.h"
18
19#define TARGET_CPU_CPP_BUILTINS() \
20 do \
21 { \
22 builtin_define ("__AMDGCN__"); \
23 if (TARGET_GCN3) \
24 builtin_define ("__GCN3__"); \
25 else if (TARGET_GCN5) \
26 builtin_define ("__GCN5__"); \
27 } \
28 while(0)
29
30/* Support for a compile-time default architecture and tuning.
31 The rules are:
32 --with-arch is ignored if -march is specified.
33 --with-tune is ignored if -mtune is specified. */
34#define OPTION_DEFAULT_SPECS \
35 {"arch", "%{!march=*:-march=%(VALUE)}" }, \
36 {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }
37
38/* Default target_flags if no switches specified. */
39#ifndef TARGET_DEFAULT
40#define TARGET_DEFAULT 0
41#endif
42
43\f
44/* Storage Layout */
45#define BITS_BIG_ENDIAN 0
46#define BYTES_BIG_ENDIAN 0
47#define WORDS_BIG_ENDIAN 0
48
a8a730cd
JB		 49#ifdef IN_LIBGCC2
50/* We want DImode and TImode helpers. */
51#define UNITS_PER_WORD 8
52#else
53#define UNITS_PER_WORD 4
54#endif
5326695a
AS		 55
56#define POINTER_SIZE 64
57#define PARM_BOUNDARY 64
58#define STACK_BOUNDARY 64
59#define FUNCTION_BOUNDARY 32
60#define BIGGEST_ALIGNMENT 64
61#define EMPTY_FIELD_BOUNDARY 32
a8a730cd 62#define MAX_FIXED_MODE_SIZE 128
5326695a
AS		 63#define MAX_REGS_PER_ADDRESS 2
64#define STACK_SIZE_MODE DImode
65#define Pmode DImode
66#define CASE_VECTOR_MODE DImode
67#define FUNCTION_MODE QImode
68
69#define DATA_ALIGNMENT(TYPE,ALIGN) ((ALIGN) > 128 ? (ALIGN) : 128)
70#define LOCAL_ALIGNMENT(TYPE,ALIGN) ((ALIGN) > 64 ? (ALIGN) : 64)
71#define STACK_SLOT_ALIGNMENT(TYPE,MODE,ALIGN) ((ALIGN) > 64 ? (ALIGN) : 64)
72#define STRICT_ALIGNMENT 1
73
74/* Type Layout: match what x86_64 does. */
75#define INT_TYPE_SIZE 32
76#define LONG_TYPE_SIZE 64
77#define LONG_LONG_TYPE_SIZE 64
78#define FLOAT_TYPE_SIZE 32
79#define DOUBLE_TYPE_SIZE 64
80#define LONG_DOUBLE_TYPE_SIZE 64
81#define DEFAULT_SIGNED_CHAR 1
82#define PCC_BITFIELD_TYPE_MATTERS 1
83
84/* Frame Layout */
85#define FRAME_GROWS_DOWNWARD 0
86#define ARGS_GROW_DOWNWARD 1
87#define STACK_POINTER_OFFSET 0
88#define FIRST_PARM_OFFSET(FNDECL) 0
89#define DYNAMIC_CHAIN_ADDRESS(FP) plus_constant (Pmode, (FP), -16)
90#define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (Pmode, LINK_REGNUM)
251697a6 91#define DWARF_FRAME_RETURN_COLUMN 16
5326695a
AS		 92#define STACK_DYNAMIC_OFFSET(FNDECL) (-crtl->outgoing_args_size)
93#define ACCUMULATE_OUTGOING_ARGS 1
94#define RETURN_ADDR_RTX(COUNT,FRAMEADDR) \
95 ((COUNT) == 0 ? get_hard_reg_initial_val (Pmode, LINK_REGNUM) : NULL_RTX)
96\f
97/* Register Basics */
98#define FIRST_SGPR_REG 0
99#define SGPR_REGNO(N) ((N)+FIRST_SGPR_REG)
100#define LAST_SGPR_REG 101
101
102#define FLAT_SCRATCH_REG 102
103#define FLAT_SCRATCH_LO_REG 102
104#define FLAT_SCRATCH_HI_REG 103
105#define XNACK_MASK_REG 104
106#define XNACK_MASK_LO_REG 104
107#define XNACK_MASK_HI_REG 105
108#define VCC_LO_REG 106
109#define VCC_HI_REG 107
110#define VCCZ_REG 108
111#define TBA_REG 109
112#define TBA_LO_REG 109
113#define TBA_HI_REG 110
114#define TMA_REG 111
115#define TMA_LO_REG 111
116#define TMA_HI_REG 112
117#define TTMP0_REG 113
118#define TTMP11_REG 124
119#define M0_REG 125
120#define EXEC_REG 126
121#define EXEC_LO_REG 126
122#define EXEC_HI_REG 127
123#define EXECZ_REG 128
124#define SCC_REG 129
125/* 132-159 are reserved to simplify masks. */
126#define FIRST_VGPR_REG 160
127#define VGPR_REGNO(N) ((N)+FIRST_VGPR_REG)
128#define LAST_VGPR_REG 415
129
130/* Frame Registers, and other registers */
131
132#define HARD_FRAME_POINTER_REGNUM 14
133#define STACK_POINTER_REGNUM 16
134#define LINK_REGNUM 18
135#define EXEC_SAVE_REG 20
136#define CC_SAVE_REG 22
137#define RETURN_VALUE_REG 24 /* Must be divisible by 4. */
138#define STATIC_CHAIN_REGNUM 30
139#define WORK_ITEM_ID_Z_REG 162
140#define SOFT_ARG_REG 416
141#define FRAME_POINTER_REGNUM 418
251697a6
HAQ		 142#define DWARF_LINK_REGISTER 420
143#define FIRST_PSEUDO_REGISTER 421
5326695a
AS		 144
145#define FIRST_PARM_REG 24
146#define NUM_PARM_REGS 6
147
148/* There is no arg pointer. Just choose random fixed register that does
149 not intefere with anything. */
150#define ARG_POINTER_REGNUM SOFT_ARG_REG
151
152#define HARD_FRAME_POINTER_IS_ARG_POINTER 0
153#define HARD_FRAME_POINTER_IS_FRAME_POINTER 0
154
155#define SGPR_OR_VGPR_REGNO_P(N) ((N)>=FIRST_VGPR_REG && (N) <= LAST_SGPR_REG)
156#define SGPR_REGNO_P(N) ((N) <= LAST_SGPR_REG)
157#define VGPR_REGNO_P(N) ((N)>=FIRST_VGPR_REG && (N) <= LAST_VGPR_REG)
158#define SSRC_REGNO_P(N) ((N) <= SCC_REG && (N) != VCCZ_REG)
159#define SDST_REGNO_P(N) ((N) <= EXEC_HI_REG && (N) != VCCZ_REG)
160#define CC_REG_P(X) (REG_P (X) && CC_REGNO_P (REGNO (X)))
161#define CC_REGNO_P(X) ((X) == SCC_REG || (X) == VCC_REG)
162#define FUNCTION_ARG_REGNO_P(N) \
163 ((N) >= FIRST_PARM_REG && (N) < (FIRST_PARM_REG + NUM_PARM_REGS))
164
165\f
166#define FIXED_REGISTERS { \
167 /* Scalars. */ \
26335606 168 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, \
5326695a 169/* fp sp lr. */ \
969089ff 170 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, \
5326695a
AS		 171/* exec_save, cc_save */ \
172 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, \
173 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
174 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
175 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
176 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
177 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
178 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
179 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, \
180 /* Special regs and padding. */ \
181/* flat xnack vcc tba tma ttmp */ \
182 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
183/* m0 exec scc */ \
184 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1, \
185 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
186 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
187 /* VGRPs */ \
342f9464 188 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
5326695a
AS		 189 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
190 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
191 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
192 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
193 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
194 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
195 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
196 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
197 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
198 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
199 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
200 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
201 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
202 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
203 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
204 /* Other registers. */ \
251697a6 205 1, 1, 1, 1, 1 \
5326695a
AS		 206}
207
208#define CALL_USED_REGISTERS { \
209 /* Scalars. */ \
210 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
969089ff 211 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, \
5326695a
AS		 212 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
213 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, \
214 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
215 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
216 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
217 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
218 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
219 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, \
220 /* Special regs and padding. */ \
221 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
222 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
223 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
224 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
225 /* VGRPs */ \
226 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
227 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
228 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
229 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
230 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
231 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
232 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
233 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
234 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
235 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
236 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
237 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
238 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
239 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
240 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
241 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
242 /* Other registers. */ \
251697a6 243 1, 1, 1, 1, 1 \
5326695a
AS		 244}
245
246\f
247#define HARD_REGNO_RENAME_OK(FROM, TO) \
248 gcn_hard_regno_rename_ok (FROM, TO)
249
250#define HARD_REGNO_CALLER_SAVE_MODE(HARDREG, NREGS, MODE) \
251 gcn_hard_regno_caller_save_mode ((HARDREG), (NREGS), (MODE))
252
253/* Register Classes */
254
255enum reg_class
256{
257 NO_REGS,
258
259 /* SCC */
260 SCC_CONDITIONAL_REG,
261
262 /* VCCZ */
263 VCCZ_CONDITIONAL_REG,
264
265 /* VCC */
266 VCC_CONDITIONAL_REG,
267
268 /* EXECZ */
269 EXECZ_CONDITIONAL_REG,
270
271 /* SCC VCCZ EXECZ */
272 ALL_CONDITIONAL_REGS,
273
274 /* EXEC */
275 EXEC_MASK_REG,
276
277 /* SGPR0-101 */
278 SGPR_REGS,
279
280 /* SGPR0-101 EXEC_LO/EXEC_HI */
281 SGPR_EXEC_REGS,
282
283 /* SGPR0-101, FLAT_SCRATCH_LO/HI, VCC LO/HI, TBA LO/HI, TMA LO/HI, TTMP0-11,
284 M0, VCCZ, SCC
285 (EXEC_LO/HI, EXECZ excluded to prevent compiler misuse.) */
286 SGPR_VOP_SRC_REGS,
287
288 /* SGPR0-101, FLAT_SCRATCH_LO/HI, XNACK_MASK_LO/HI, VCC LO/HI, TBA LO/HI
289 TMA LO/HI, TTMP0-11 */
290 SGPR_MEM_SRC_REGS,
291
292 /* SGPR0-101, FLAT_SCRATCH_LO/HI, XNACK_MASK_LO/HI, VCC LO/HI, TBA LO/HI
293 TMA LO/HI, TTMP0-11, M0, EXEC LO/HI */
294 SGPR_DST_REGS,
295
296 /* SGPR0-101, FLAT_SCRATCH_LO/HI, XNACK_MASK_LO/HI, VCC LO/HI, TBA LO/HI
297 TMA LO/HI, TTMP0-11 */
298 SGPR_SRC_REGS,
299 GENERAL_REGS,
300 VGPR_REGS,
301 ALL_GPR_REGS,
302 SRCDST_REGS,
303 AFP_REGS,
304 ALL_REGS,
305 LIM_REG_CLASSES
306};
307
308#define N_REG_CLASSES (int) LIM_REG_CLASSES
309
310#define REG_CLASS_NAMES \
311{ "NO_REGS", \
312 "SCC_CONDITIONAL_REG", \
313 "VCCZ_CONDITIONAL_REG", \
314 "VCC_CONDITIONAL_REG", \
315 "EXECZ_CONDITIONAL_REG", \
316 "ALL_CONDITIONAL_REGS", \
317 "EXEC_MASK_REG", \
318 "SGPR_REGS", \
319 "SGPR_EXEC_REGS", \
320 "SGPR_VOP3A_SRC_REGS", \
321 "SGPR_MEM_SRC_REGS", \
322 "SGPR_DST_REGS", \
323 "SGPR_SRC_REGS", \
324 "GENERAL_REGS", \
325 "VGPR_REGS", \
326 "ALL_GPR_REGS", \
327 "SRCDST_REGS", \
328 "AFP_REGS", \
329 "ALL_REGS" \
330}
331
332#define NAMED_REG_MASK(N) (1<<((N)-3*32))
333#define NAMED_REG_MASK2(N) (1<<((N)-4*32))
334
335#define REG_CLASS_CONTENTS { \
336 /* NO_REGS. */ \
337 {0, 0, 0, 0, \
338 0, 0, 0, 0, \
339 0, 0, 0, 0, 0, 0}, \
340 /* SCC_CONDITIONAL_REG. */ \
341 {0, 0, 0, 0, \
342 NAMED_REG_MASK2 (SCC_REG), 0, 0, 0, \
343 0, 0, 0, 0, 0}, \
344 /* VCCZ_CONDITIONAL_REG. */ \
345 {0, 0, 0, NAMED_REG_MASK (VCCZ_REG), \
346 0, 0, 0, 0, \
347 0, 0, 0, 0, 0, 0}, \
348 /* VCC_CONDITIONAL_REG. */ \
349 {0, 0, 0, NAMED_REG_MASK (VCC_LO_REG)|NAMED_REG_MASK (VCC_HI_REG), \
350 0, 0, 0, 0, \
351 0, 0, 0, 0, 0, 0}, \
352 /* EXECZ_CONDITIONAL_REG. */ \
353 {0, 0, 0, 0, \
354 NAMED_REG_MASK2 (EXECZ_REG), 0, 0, 0, \
355 0, 0, 0, 0, 0}, \
356 /* ALL_CONDITIONAL_REGS. */ \
357 {0, 0, 0, NAMED_REG_MASK (VCCZ_REG), \
358 NAMED_REG_MASK2 (EXECZ_REG) | NAMED_REG_MASK2 (SCC_REG), 0, 0, 0, \
359 0, 0, 0, 0, 0, 0}, \
360 /* EXEC_MASK_REG. */ \
361 {0, 0, 0, NAMED_REG_MASK (EXEC_LO_REG) | NAMED_REG_MASK (EXEC_HI_REG), \
362 0, 0, 0, 0, \
363 0, 0, 0, 0, 0, 0}, \
364 /* SGPR_REGS. */ \
365 {0xffffffff, 0xffffffff, 0xffffffff, 0xf1, \
366 0, 0, 0, 0, \
367 0, 0, 0, 0, 0, 0}, \
368 /* SGPR_EXEC_REGS. */ \
369 {0xffffffff, 0xffffffff, 0xffffffff, \
370 0xf1 | NAMED_REG_MASK (EXEC_LO_REG) | NAMED_REG_MASK (EXEC_HI_REG), \
371 0, 0, 0, 0, \
372 0, 0, 0, 0, 0, 0}, \
373 /* SGPR_VOP_SRC_REGS. */ \
374 {0xffffffff, 0xffffffff, 0xffffffff, \
375 0xffffffff \
376 -NAMED_REG_MASK (EXEC_LO_REG) \
377 -NAMED_REG_MASK (EXEC_HI_REG), \
378 NAMED_REG_MASK2 (SCC_REG), 0, 0, 0, \
379 0, 0, 0, 0, 0, 0}, \
380 /* SGPR_MEM_SRC_REGS. */ \
381 {0xffffffff, 0xffffffff, 0xffffffff, \
382 0xffffffff-NAMED_REG_MASK (VCCZ_REG)-NAMED_REG_MASK (M0_REG) \
383 -NAMED_REG_MASK (EXEC_LO_REG)-NAMED_REG_MASK (EXEC_HI_REG), \
384 0, 0, 0, 0, \
385 0, 0, 0, 0, 0, 0}, \
386 /* SGPR_DST_REGS. */ \
387 {0xffffffff, 0xffffffff, 0xffffffff, \
388 0xffffffff-NAMED_REG_MASK (VCCZ_REG), \
389 0, 0, 0, 0, \
390 0, 0, 0, 0, 0, 0}, \
391 /* SGPR_SRC_REGS. */ \
392 {0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, \
393 NAMED_REG_MASK2 (EXECZ_REG) | NAMED_REG_MASK2 (SCC_REG), 0, 0, 0, \
394 0, 0, 0, 0, 0, 0}, \
395 /* GENERAL_REGS. */ \
396 {0xffffffff, 0xffffffff, 0xffffffff, 0xf1, \
397 0, 0, 0, 0, \
398 0, 0, 0, 0, 0, 0}, \
399 /* VGPR_REGS. */ \
400 {0, 0, 0, 0, \
401 0, 0xffffffff, 0xffffffff, 0xffffffff, \
402 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0}, \
403 /* ALL_GPR_REGS. */ \
404 {0xffffffff, 0xffffffff, 0xffffffff, 0xf1, \
405 0, 0xffffffff, 0xffffffff, 0xffffffff, \
406 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0}, \
407 /* SRCDST_REGS. */ \
408 {0xffffffff, 0xffffffff, 0xffffffff, \
409 0xffffffff-NAMED_REG_MASK (VCCZ_REG), \
410 0, 0xffffffff, 0xffffffff, 0xffffffff, \
411 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0}, \
412 /* AFP_REGS. */ \
413 {0, 0, 0, 0, \
414 0, 0, 0, 0, \
415 0, 0, 0, 0, 0, 0xf}, \
416 /* ALL_REGS. */ \
417 {0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, \
418 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, \
419 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0 }}
420
421#define REGNO_REG_CLASS(REGNO) gcn_regno_reg_class (REGNO)
422#define MODE_CODE_BASE_REG_CLASS(MODE, AS, OUTER, INDEX) \
423 gcn_mode_code_base_reg_class (MODE, AS, OUTER, INDEX)
424#define REGNO_MODE_CODE_OK_FOR_BASE_P(NUM, MODE, AS, OUTER, INDEX) \
425 gcn_regno_mode_code_ok_for_base_p (NUM, MODE, AS, OUTER, INDEX)
426#define INDEX_REG_CLASS VGPR_REGS
427#define REGNO_OK_FOR_INDEX_P(regno) regno_ok_for_index_p (regno)
428
429\f
430/* Address spaces. */
431enum gcn_address_spaces
432{
433 ADDR_SPACE_DEFAULT = 0,
434 ADDR_SPACE_FLAT,
435 ADDR_SPACE_SCALAR_FLAT,
436 ADDR_SPACE_FLAT_SCRATCH,
437 ADDR_SPACE_LDS,
438 ADDR_SPACE_GDS,
439 ADDR_SPACE_SCRATCH,
440 ADDR_SPACE_GLOBAL
441};
442#define REGISTER_TARGET_PRAGMAS() do { \
443 c_register_addr_space ("__flat", ADDR_SPACE_FLAT); \
444 c_register_addr_space ("__flat_scratch", ADDR_SPACE_FLAT_SCRATCH); \
445 c_register_addr_space ("__scalar_flat", ADDR_SPACE_SCALAR_FLAT); \
446 c_register_addr_space ("__lds", ADDR_SPACE_LDS); \
447 c_register_addr_space ("__gds", ADDR_SPACE_GDS); \
448 c_register_addr_space ("__global", ADDR_SPACE_GLOBAL); \
449} while (0);
450
451#define STACK_ADDR_SPACE \
452 (TARGET_GCN5_PLUS ? ADDR_SPACE_GLOBAL : ADDR_SPACE_FLAT)
453#define DEFAULT_ADDR_SPACE \
454 ((cfun && cfun->machine && !cfun->machine->use_flat_addressing) \
455 ? ADDR_SPACE_GLOBAL : ADDR_SPACE_FLAT)
456#define AS_SCALAR_FLAT_P(AS) ((AS) == ADDR_SPACE_SCALAR_FLAT)
457#define AS_FLAT_SCRATCH_P(AS) ((AS) == ADDR_SPACE_FLAT_SCRATCH)
458#define AS_FLAT_P(AS) ((AS) == ADDR_SPACE_FLAT \
459 || ((AS) == ADDR_SPACE_DEFAULT \
460 && DEFAULT_ADDR_SPACE == ADDR_SPACE_FLAT))
461#define AS_LDS_P(AS) ((AS) == ADDR_SPACE_LDS)
462#define AS_GDS_P(AS) ((AS) == ADDR_SPACE_GDS)
463#define AS_SCRATCH_P(AS) ((AS) == ADDR_SPACE_SCRATCH)
464#define AS_GLOBAL_P(AS) ((AS) == ADDR_SPACE_GLOBAL \
465 || ((AS) == ADDR_SPACE_DEFAULT \
466 && DEFAULT_ADDR_SPACE == ADDR_SPACE_GLOBAL))
467#define AS_ANY_FLAT_P(AS) (AS_FLAT_SCRATCH_P (AS) || AS_FLAT_P (AS))
468#define AS_ANY_DS_P(AS) (AS_LDS_P (AS) || AS_GDS_P (AS))
469
470\f
471/* Instruction Output */
472#define REGISTER_NAMES \
473 {"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", "s8", "s9", "s10", \
474 "s11", "s12", "s13", "s14", "s15", "s16", "s17", "s18", "s19", "s20", \
475 "s21", "s22", "s23", "s24", "s25", "s26", "s27", "s28", "s29", "s30", \
476 "s31", "s32", "s33", "s34", "s35", "s36", "s37", "s38", "s39", "s40", \
477 "s41", "s42", "s43", "s44", "s45", "s46", "s47", "s48", "s49", "s50", \
478 "s51", "s52", "s53", "s54", "s55", "s56", "s57", "s58", "s59", "s60", \
479 "s61", "s62", "s63", "s64", "s65", "s66", "s67", "s68", "s69", "s70", \
480 "s71", "s72", "s73", "s74", "s75", "s76", "s77", "s78", "s79", "s80", \
481 "s81", "s82", "s83", "s84", "s85", "s86", "s87", "s88", "s89", "s90", \
482 "s91", "s92", "s93", "s94", "s95", "s96", "s97", "s98", "s99", \
483 "s100", "s101", \
484 "flat_scratch_lo", "flat_scratch_hi", "xnack_mask_lo", "xnack_mask_hi", \
485 "vcc_lo", "vcc_hi", "vccz", "tba_lo", "tba_hi", "tma_lo", "tma_hi", \
486 "ttmp0", "ttmp1", "ttmp2", "ttmp3", "ttmp4", "ttmp5", "ttmp6", "ttmp7", \
487 "ttmp8", "ttmp9", "ttmp10", "ttmp11", "m0", "exec_lo", "exec_hi", \
488 "execz", "scc", \
489 "res130", "res131", "res132", "res133", "res134", "res135", "res136", \
490 "res137", "res138", "res139", "res140", "res141", "res142", "res143", \
491 "res144", "res145", "res146", "res147", "res148", "res149", "res150", \
492 "res151", "res152", "res153", "res154", "res155", "res156", "res157", \
493 "res158", "res159", \
494 "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v8", "v9", "v10", \
495 "v11", "v12", "v13", "v14", "v15", "v16", "v17", "v18", "v19", "v20", \
496 "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", \
497 "v31", "v32", "v33", "v34", "v35", "v36", "v37", "v38", "v39", "v40", \
498 "v41", "v42", "v43", "v44", "v45", "v46", "v47", "v48", "v49", "v50", \
499 "v51", "v52", "v53", "v54", "v55", "v56", "v57", "v58", "v59", "v60", \
500 "v61", "v62", "v63", "v64", "v65", "v66", "v67", "v68", "v69", "v70", \
501 "v71", "v72", "v73", "v74", "v75", "v76", "v77", "v78", "v79", "v80", \
502 "v81", "v82", "v83", "v84", "v85", "v86", "v87", "v88", "v89", "v90", \
503 "v91", "v92", "v93", "v94", "v95", "v96", "v97", "v98", "v99", "v100", \
504 "v101", "v102", "v103", "v104", "v105", "v106", "v107", "v108", "v109", \
505 "v110", "v111", "v112", "v113", "v114", "v115", "v116", "v117", "v118", \
506 "v119", "v120", "v121", "v122", "v123", "v124", "v125", "v126", "v127", \
507 "v128", "v129", "v130", "v131", "v132", "v133", "v134", "v135", "v136", \
508 "v137", "v138", "v139", "v140", "v141", "v142", "v143", "v144", "v145", \
509 "v146", "v147", "v148", "v149", "v150", "v151", "v152", "v153", "v154", \
510 "v155", "v156", "v157", "v158", "v159", "v160", "v161", "v162", "v163", \
511 "v164", "v165", "v166", "v167", "v168", "v169", "v170", "v171", "v172", \
512 "v173", "v174", "v175", "v176", "v177", "v178", "v179", "v180", "v181", \
513 "v182", "v183", "v184", "v185", "v186", "v187", "v188", "v189", "v190", \
514 "v191", "v192", "v193", "v194", "v195", "v196", "v197", "v198", "v199", \
515 "v200", "v201", "v202", "v203", "v204", "v205", "v206", "v207", "v208", \
516 "v209", "v210", "v211", "v212", "v213", "v214", "v215", "v216", "v217", \
517 "v218", "v219", "v220", "v221", "v222", "v223", "v224", "v225", "v226", \
518 "v227", "v228", "v229", "v230", "v231", "v232", "v233", "v234", "v235", \
519 "v236", "v237", "v238", "v239", "v240", "v241", "v242", "v243", "v244", \
520 "v245", "v246", "v247", "v248", "v249", "v250", "v251", "v252", "v253", \
521 "v254", "v255", \
251697a6 522 "?ap0", "?ap1", "?fp0", "?fp1", "?dwlr" }
5326695a
AS		 523
524#define PRINT_OPERAND(FILE, X, CODE) print_operand(FILE, X, CODE)
525#define PRINT_OPERAND_ADDRESS(FILE, ADDR) print_operand_address (FILE, ADDR)
526#define PRINT_OPERAND_PUNCT_VALID_P(CODE) (CODE == '^')
527
528\f
529/* Register Arguments */
530
531#ifndef USED_FOR_TARGET
532
f062c3f1 533#define GCN_KERNEL_ARG_TYPES 16
5326695a
AS		 534struct GTY(()) gcn_kernel_args
535{
536 long requested;
537 int reg[GCN_KERNEL_ARG_TYPES];
538 int order[GCN_KERNEL_ARG_TYPES];
539 int nargs, nsgprs;
540};
541
542typedef struct gcn_args
543{
544 /* True if this isn't a kernel (HSA runtime entrypoint). */
545 bool normal_function;
546 tree fntype;
547 struct gcn_kernel_args args;
548 int num;
549 int offset;
550 int alignment;
551} CUMULATIVE_ARGS;
552#endif
553
554#define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,FNDECL,N_NAMED_ARGS) \
555 gcn_init_cumulative_args (&(CUM), (FNTYPE), (LIBNAME), (FNDECL), \
556 (N_NAMED_ARGS) != -1)
557
558\f
559#ifndef USED_FOR_TARGET
560
561#include "hash-table.h"
562#include "hash-map.h"
563#include "vec.h"
564
565struct GTY(()) machine_function
566{
567 struct gcn_kernel_args args;
568 int kernarg_segment_alignment;
569 int kernarg_segment_byte_size;
570 /* Frame layout info for normal functions. */
571 bool normal_function;
572 bool need_frame_pointer;
573 bool lr_needs_saving;
574 HOST_WIDE_INT outgoing_args_size;
575 HOST_WIDE_INT pretend_size;
576 HOST_WIDE_INT local_vars;
577 HOST_WIDE_INT callee_saves;
578
579 unsigned lds_allocated;
580 hash_map<tree, int> *lds_allocs;
581
582 vec<tree, va_gc> *reduc_decls;
583
584 bool use_flat_addressing;
585};
586#endif
587
588\f
589/* Codes for all the GCN builtins. */
590
591enum gcn_builtin_codes
592{
593#define DEF_BUILTIN(fcode, icode, name, type, params, expander) \
594 GCN_BUILTIN_ ## fcode,
595#define DEF_BUILTIN_BINOP_INT_FP(fcode, ic, name) \
596 GCN_BUILTIN_ ## fcode ## _V64SI, \
597 GCN_BUILTIN_ ## fcode ## _V64SI_unspec,
598#include "gcn-builtins.def"
599#undef DEF_BUILTIN
600#undef DEF_BUILTIN_BINOP_INT_FP
601 GCN_BUILTIN_MAX
602};
603
604\f
605/* Misc */
606
607/* We can load/store 128-bit quantities, but having this larger than
608 MAX_FIXED_MODE_SIZE (which we want to be 64 bits) causes problems. */
609#define MOVE_MAX 8
610
611#define AVOID_CCMODE_COPIES 1
612#define SLOW_BYTE_ACCESS 0
613#define WORD_REGISTER_OPERATIONS 1
614
dbde9e2d
AS		 615/* Flag values are either BImode or DImode, but either way the compiler
616 should assume that all the bits are live. */
617#define STORE_FLAG_VALUE -1
618
5326695a
AS		 619/* Definitions for register eliminations.
620
621 This is an array of structures. Each structure initializes one pair
622 of eliminable registers. The "from" register number is given first,
623 followed by "to". Eliminations of the same "from" register are listed
624 in order of preference. */
625
626#define ELIMINABLE_REGS \
627{{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM }, \
628 { ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM }, \
629 { FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM }, \
630 { FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM }}
631
632/* Define the offset between two registers, one to be eliminated, and the
633 other its replacement, at the start of a routine. */
634
635#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
636 ((OFFSET) = gcn_initial_elimination_offset ((FROM), (TO)))
637
638
639/* Define this macro if it is advisable to hold scalars in registers
640 in a wider mode than that declared by the program. In such cases,
641 the value is constrained to be within the bounds of the declared
642 type, but kept valid in the wider mode. The signedness of the
643 extension may differ from that of the type. */
644
645#define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE) \
646 if (GET_MODE_CLASS (MODE) == MODE_INT \
647 && (TYPE == NULL || TREE_CODE (TYPE) != VECTOR_TYPE) \
648 && GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \
649 { \
650 (MODE) = SImode; \
651 }
652
653/* This needs to match gcn_function_value. */
654#define LIBCALL_VALUE(MODE) gen_rtx_REG (MODE, SGPR_REGNO (RETURN_VALUE_REG))
655
34bac264
AS		 656/* The s_ff0 and s_flbit instructions return -1 if no input bits are set. */
657#define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) ((VALUE) = -1, 2)
658#define CTZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) ((VALUE) = -1, 2)
659
5326695a
AS		 660\f
661/* Costs. */
662
663/* Branches are to be dicouraged when theres an alternative.
664 FIXME: This number is plucked from the air. */
665#define BRANCH_COST(SPEED_P, PREDICABLE_P) 10
666
667\f
668/* Profiling */
669#define FUNCTION_PROFILER(FILE, LABELNO)
670#define NO_PROFILE_COUNTERS 1
671#define PROFILE_BEFORE_PROLOGUE 0
672
673/* Trampolines */
674#define TRAMPOLINE_SIZE 36
675#define TRAMPOLINE_ALIGNMENT 64
Mirror of https://gcc.gnu.org/git/gcc.git