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comparison gcc/config/iq2000/iq2000.h @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents f6334be47118
children 84e7813d76e9
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
1 /* Definitions of target machine for GNU compiler. 1 /* Definitions of target machine for GNU compiler.
2 Vitesse IQ2000 processors 2 Vitesse IQ2000 processors
3 Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 3 Copyright (C) 2003-2017 Free Software Foundation, Inc.
4 Free Software Foundation, Inc.
5 4
6 This file is part of GCC. 5 This file is part of GCC.
7 6
8 GCC is free software; you can redistribute it and/or modify it 7 GCC is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published 8 under the terms of the GNU General Public License as published
55 #define TARGET_DEBUG_D_MODE 0 54 #define TARGET_DEBUG_D_MODE 0
56 55
57 #ifndef IQ2000_ISA_DEFAULT 56 #ifndef IQ2000_ISA_DEFAULT
58 #define IQ2000_ISA_DEFAULT 1 57 #define IQ2000_ISA_DEFAULT 1
59 #endif 58 #endif
60
61 #define IQ2000_VERSION "[1.0]"
62
63 #ifndef MACHINE_TYPE
64 #define MACHINE_TYPE "IQ2000"
65 #endif
66
67 #ifndef TARGET_VERSION_INTERNAL
68 #define TARGET_VERSION_INTERNAL(STREAM) \
69 fprintf (STREAM, " %s %s", IQ2000_VERSION, MACHINE_TYPE)
70 #endif
71
72 #ifndef TARGET_VERSION
73 #define TARGET_VERSION TARGET_VERSION_INTERNAL (stderr)
74 #endif
75 59
76 /* Storage Layout. */ 60 /* Storage Layout. */
77 61
78 #define BITS_BIG_ENDIAN 0 62 #define BITS_BIG_ENDIAN 0
79 #define BYTES_BIG_ENDIAN 1 63 #define BYTES_BIG_ENDIAN 1
109 #define DATA_ALIGNMENT(TYPE, ALIGN) \ 93 #define DATA_ALIGNMENT(TYPE, ALIGN) \
110 ((((ALIGN) < BITS_PER_WORD) \ 94 ((((ALIGN) < BITS_PER_WORD) \
111 && (TREE_CODE (TYPE) == ARRAY_TYPE \ 95 && (TREE_CODE (TYPE) == ARRAY_TYPE \
112 || TREE_CODE (TYPE) == UNION_TYPE \ 96 || TREE_CODE (TYPE) == UNION_TYPE \
113 || TREE_CODE (TYPE) == RECORD_TYPE)) ? BITS_PER_WORD : (ALIGN)) 97 || TREE_CODE (TYPE) == RECORD_TYPE)) ? BITS_PER_WORD : (ALIGN))
114
115 #define CONSTANT_ALIGNMENT(EXP, ALIGN) \
116 ((TREE_CODE (EXP) == STRING_CST || TREE_CODE (EXP) == CONSTRUCTOR) \
117 && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
118 98
119 #define EMPTY_FIELD_BOUNDARY 32 99 #define EMPTY_FIELD_BOUNDARY 32
120 100
121 #define STRUCTURE_SIZE_BOUNDARY 8 101 #define STRUCTURE_SIZE_BOUNDARY 8
122 102
174 { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, \ 154 { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, \
175 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 \ 155 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 \
176 } 156 }
177 157
178 158
179 /* How Values Fit in Registers. */
180
181 #define HARD_REGNO_NREGS(REGNO, MODE) \
182 ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
183
184 #define HARD_REGNO_MODE_OK(REGNO, MODE) \
185 ((REGNO_REG_CLASS (REGNO) == GR_REGS) \
186 ? ((REGNO) & 1) == 0 || GET_MODE_SIZE (MODE) <= 4 \
187 : ((REGNO) & 1) == 0 || GET_MODE_SIZE (MODE) == 4)
188
189 #define MODES_TIEABLE_P(MODE1, MODE2) \
190 ((GET_MODE_CLASS (MODE1) == MODE_FLOAT || \
191 GET_MODE_CLASS (MODE1) == MODE_COMPLEX_FLOAT) \
192 == (GET_MODE_CLASS (MODE2) == MODE_FLOAT || \
193 GET_MODE_CLASS (MODE2) == MODE_COMPLEX_FLOAT))
194 159
195 #define AVOID_CCMODE_COPIES 160 #define AVOID_CCMODE_COPIES
196 161
197 162
198 /* Register Classes. */ 163 /* Register Classes. */
206 }; 171 };
207 172
208 #define GENERAL_REGS GR_REGS 173 #define GENERAL_REGS GR_REGS
209 174
210 #define N_REG_CLASSES (int) LIM_REG_CLASSES 175 #define N_REG_CLASSES (int) LIM_REG_CLASSES
211
212 #define IRA_COVER_CLASSES \
213 { \
214 GR_REGS, LIM_REG_CLASSES \
215 }
216 176
217 #define REG_CLASS_NAMES \ 177 #define REG_CLASS_NAMES \
218 { \ 178 { \
219 "NO_REGS", \ 179 "NO_REGS", \
220 "GR_REGS", \ 180 "GR_REGS", \
246 : ((GET_MODE_CLASS (GET_MODE (X)) == MODE_INT \ 206 : ((GET_MODE_CLASS (GET_MODE (X)) == MODE_INT \
247 || GET_MODE (X) == VOIDmode) \ 207 || GET_MODE (X) == VOIDmode) \
248 ? (GR_REGS) \ 208 ? (GR_REGS) \
249 : (CLASS)))) 209 : (CLASS))))
250 210
251 #define CLASS_MAX_NREGS(CLASS, MODE) \
252 ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
253
254 211
255 /* Basic Stack Layout. */ 212 /* Basic Stack Layout. */
256 213
257 #define STACK_GROWS_DOWNWARD 214 #define STACK_GROWS_DOWNWARD 1
258 215
259 #define FRAME_GROWS_DOWNWARD 0 216 #define FRAME_GROWS_DOWNWARD 0
260
261 #define STARTING_FRAME_OFFSET \
262 (crtl->outgoing_args_size)
263 217
264 /* Use the default value zero. */ 218 /* Use the default value zero. */
265 /* #define STACK_POINTER_OFFSET 0 */ 219 /* #define STACK_POINTER_OFFSET 0 */
266 220
267 #define FIRST_PARM_OFFSET(FNDECL) 0 221 #define FIRST_PARM_OFFSET(FNDECL) 0
280 : gen_rtx_MEM (Pmode, gen_rtx_REG (Pmode, \ 234 : gen_rtx_MEM (Pmode, gen_rtx_REG (Pmode, \
281 RETURN_ADDRESS_POINTER_REGNUM))) \ 235 RETURN_ADDRESS_POINTER_REGNUM))) \
282 : (rtx) 0) 236 : (rtx) 0)
283 237
284 /* Before the prologue, RA lives in r31. */ 238 /* Before the prologue, RA lives in r31. */
285 #define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (VOIDmode, GP_REG_FIRST + 31) 239 #define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (Pmode, GP_REG_FIRST + 31)
286 240
287 241
288 /* Register That Address the Stack Frame. */ 242 /* Register That Address the Stack Frame. */
289 243
290 #define STACK_POINTER_REGNUM (GP_REG_FIRST + 29) 244 #define STACK_POINTER_REGNUM (GP_REG_FIRST + 29)
332 unsigned int fp_arg_words; /* # words for FP args (IQ2000_EABI only). */ 286 unsigned int fp_arg_words; /* # words for FP args (IQ2000_EABI only). */
333 int last_arg_fp; /* Nonzero if last arg was FP (EABI only). */ 287 int last_arg_fp; /* Nonzero if last arg was FP (EABI only). */
334 int fp_code; /* Mode of FP arguments. */ 288 int fp_code; /* Mode of FP arguments. */
335 unsigned int num_adjusts; /* Number of adjustments made. */ 289 unsigned int num_adjusts; /* Number of adjustments made. */
336 /* Adjustments made to args pass in regs. */ 290 /* Adjustments made to args pass in regs. */
337 struct rtx_def * adjust[MAX_ARGS_IN_REGISTERS * 2]; 291 rtx adjust[MAX_ARGS_IN_REGISTERS * 2];
338 } CUMULATIVE_ARGS; 292 } CUMULATIVE_ARGS;
339 293
340 /* Initialize a variable CUM of type CUMULATIVE_ARGS 294 /* Initialize a variable CUM of type CUMULATIVE_ARGS
341 for a call to a function whose data type is FNTYPE. 295 for a call to a function whose data type is FNTYPE.
342 For a library call, FNTYPE is 0. */ 296 For a library call, FNTYPE is 0. */
343 #define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \ 297 #define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \
344 init_cumulative_args (& CUM, FNTYPE, LIBNAME) \ 298 init_cumulative_args (& CUM, FNTYPE, LIBNAME) \
345
346 #define FUNCTION_ARG_PADDING(MODE, TYPE) \
347 (! BYTES_BIG_ENDIAN \
348 ? upward \
349 : (((MODE) == BLKmode \
350 ? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \
351 && int_size_in_bytes (TYPE) < (PARM_BOUNDARY / BITS_PER_UNIT))\
352 : (GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY \
353 && (GET_MODE_CLASS (MODE) == MODE_INT))) \
354 ? downward : upward))
355 299
356 #define FUNCTION_ARG_REGNO_P(N) \ 300 #define FUNCTION_ARG_REGNO_P(N) \
357 (((N) >= GP_ARG_FIRST && (N) <= GP_ARG_LAST)) 301 (((N) >= GP_ARG_FIRST && (N) <= GP_ARG_LAST))
358 302
359 303
406 || (GET_CODE (X) == CONST))) 350 || (GET_CODE (X) == CONST)))
407 351
408 #define MAX_REGS_PER_ADDRESS 1 352 #define MAX_REGS_PER_ADDRESS 1
409 353
410 #define REG_OK_FOR_INDEX_P(X) 0 354 #define REG_OK_FOR_INDEX_P(X) 0
411
412 #define LEGITIMATE_CONSTANT_P(X) (1)
413 355
414 356
415 /* Describing Relative Costs of Operations. */ 357 /* Describing Relative Costs of Operations. */
416 358
417 #define REGISTER_MOVE_COST(MODE, FROM, TO) 2 359 #define REGISTER_MOVE_COST(MODE, FROM, TO) 2
565 507
566 /* Miscellaneous Parameters. */ 508 /* Miscellaneous Parameters. */
567 509
568 #define CASE_VECTOR_MODE SImode 510 #define CASE_VECTOR_MODE SImode
569 511
570 #define WORD_REGISTER_OPERATIONS 512 #define WORD_REGISTER_OPERATIONS 1
571 513
572 #define LOAD_EXTEND_OP(MODE) ZERO_EXTEND 514 #define LOAD_EXTEND_OP(MODE) ZERO_EXTEND
573 515
574 #define MOVE_MAX 4 516 #define MOVE_MAX 4
575 517
576 #define MAX_MOVE_MAX 8 518 #define MAX_MOVE_MAX 8
577 519
578 #define SHIFT_COUNT_TRUNCATED 1 520 #define SHIFT_COUNT_TRUNCATED 1
579 521
580 #define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1
581
582 #define STORE_FLAG_VALUE 1 522 #define STORE_FLAG_VALUE 1
583 523
584 #define Pmode SImode 524 #define Pmode SImode
585 525
586 #define FUNCTION_MODE SImode 526 #define FUNCTION_MODE SImode
587
588 /* Standard GCC variables that we reference. */
589
590 extern char call_used_regs[];
591 527
592 /* IQ2000 external variables defined in iq2000.c. */ 528 /* IQ2000 external variables defined in iq2000.c. */
593 529
594 /* Comparison type. */ 530 /* Comparison type. */
595 enum cmp_type 531 enum cmp_type
607 DELAY_NONE, /* No delay slot. */ 543 DELAY_NONE, /* No delay slot. */
608 DELAY_LOAD, /* Load from memory delay. */ 544 DELAY_LOAD, /* Load from memory delay. */
609 DELAY_FCMP /* Delay after doing c.<xx>.{d,s}. */ 545 DELAY_FCMP /* Delay after doing c.<xx>.{d,s}. */
610 }; 546 };
611 547
612 /* Which processor to schedule for. */
613
614 enum processor_type
615 {
616 PROCESSOR_DEFAULT,
617 PROCESSOR_IQ2000,
618 PROCESSOR_IQ10
619 };
620
621 /* Recast the cpu class to be the cpu attribute. */ 548 /* Recast the cpu class to be the cpu attribute. */
622 #define iq2000_cpu_attr ((enum attr_cpu) iq2000_tune) 549 #define iq2000_cpu_attr ((enum attr_cpu) iq2000_tune)
623 550
624 #define BITMASK_UPPER16 ((unsigned long) 0xffff << 16) /* 0xffff0000 */ 551 #define BITMASK_UPPER16 ((unsigned long) 0xffff << 16) /* 0xffff0000 */
625 #define BITMASK_LOWER16 ((unsigned long) 0xffff) /* 0x0000ffff */ 552 #define BITMASK_LOWER16 ((unsigned long) 0xffff) /* 0x0000ffff */
848 #endif 775 #endif
849 776
850 #define SDATA_SECTION_ASM_OP "\t.sdata" /* Small data. */ 777 #define SDATA_SECTION_ASM_OP "\t.sdata" /* Small data. */
851 778
852 779
853 /* The target cpu for optimization and scheduling. */
854 extern enum processor_type iq2000_tune;
855
856 /* Which instruction set architecture to use. */ 780 /* Which instruction set architecture to use. */
857 extern int iq2000_isa; 781 extern int iq2000_isa;
858 782
859 enum iq2000_builtins 783 enum iq2000_builtins
860 { 784 {