1 /* Definitions for Toshiba Media Processor
2 Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008, 2009, 2010
3 Free Software Foundation, Inc.
4 Contributed by Red Hat, Inc.
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
26 -D__section(_x)=__attribute__((section(_x))) \
27 -D__align(_x)=__attribute__((aligned(_x))) \
28 -D__io(_x)=__attribute__((io(_x))) \
29 -D__cb(_x)=__attribute__((cb(_x))) \
30 -D__based=__attribute__((based)) \
31 -D__tiny=__attribute__((tiny)) \
32 -D__near=__attribute__((near)) \
33 -D__far=__attribute__((far)) \
34 -D__vliw=__attribute__((vliw)) \
35 -D__interrupt=__attribute__((interrupt)) \
36 -D__disinterrupt=__attribute__((disinterrupt)) \
37 %{!meb:%{!mel:-D__BIG_ENDIAN__}} \
38 %{meb:-U__LITTLE_ENDIAN__ -D__BIG_ENDIAN__} \
39 %{mel:-U__BIG_ENDIAN__ -D__LITTLE_ENDIAN__} \
40 %{mconfig=*:-D__MEP_CONFIG_%*} \
41 %{mivc2:-D__MEP_CONFIG_CP_DATA_BUS_WIDTH=64} \
45 #define CC1_SPEC "%{!mlibrary:%(config_cc_spec)} \
46 %{!.cc:%{O2:%{!funroll*:--param max-completely-peeled-insns=6 \
47 --param max-unrolled-insns=6 -funroll-loops}}}"
50 #define CC1PLUS_SPEC "%{!mlibrary:%(config_cc_spec)}"
53 #define ASM_SPEC "%{mconfig=*} %{meb:-EB} %{mel:-EL} \
54 %{mno-satur} %{msatur} %{mno-clip} %{mclip} %{mno-minmax} %{mminmax} \
55 %{mno-absdiff} %{mabsdiff} %{mno-leadz} %{mleadz} %{mno-bitops} %{mbitops} \
56 %{mno-div} %{mdiv} %{mno-mult} %{mmult} %{mno-average} %{maverage} \
57 %{mcop32} %{mno-debug} %{mdebug} %{mlibrary}"
59 /* The MeP config tool will edit this spec. */
61 #define STARTFILE_SPEC "%{msdram:%{msim:simsdram-crt0.o%s}} \
62 %{mno-sdram:%{msim:sim-crt0.o%s}} \
63 %{msdram:%{!msim*:sdram-crt0.o%s}} \
64 %{mno-sdram:%{!msim*:crt0.o%s}} \
65 %(config_start_spec) \
66 %{msimnovec:simnovec-crt0.o%s} \
70 #define LIB_SPEC "-( -lc %{msim*:-lsim}%{!msim*:-lnosys} -) %(config_link_spec)"
73 #define LINK_SPEC "%{meb:-EB} %{mel:-EL}"
76 #define ENDFILE_SPEC "crtend.o%s %{msim*:sim-crtn.o%s}%{!msim*:crtn.o%s}"
78 /* The MeP config tool will edit this spec. */
79 #define CONFIG_CC_SPEC "\
80 %{mconfig=default: -mbitops -mleadz -mabsdiff -maverage -mminmax -mclip -msatur -mvl64 -mvliw -mcop64 -D__MEP_CONFIG_CP_DATA_BUS_WIDTH=64 -mivc2}\
82 /* end-config-cc-spec */
84 /* The MeP config tool will edit this spec. */
85 #define CONFIG_LINK_SPEC "\
86 %{mconfig=default: %{!T*:-Tdefault.ld}}\
88 /* end-config-link-spec */
90 /* The MeP config tool will edit this spec. */
91 #define CONFIG_START_SPEC "\
92 %{!msdram:%{!mno-sdram:%{!msim*:crt0.o%s}}} \
93 %{!msdram:%{!mno-sdram:%{msim:sim-crt0.o%s}}} \
95 /* end-config-start-spec */
98 { "config_cc_spec", CONFIG_CC_SPEC }, \
99 { "config_link_spec", CONFIG_LINK_SPEC }, \
100 { "config_start_spec", CONFIG_START_SPEC },
103 #define TARGET_CPU_CPP_BUILTINS() \
106 builtin_define_std ("mep"); \
107 builtin_assert ("machine=mep"); \
111 /* Controlled by MeP-Integrator. */
114 #define MEP_ALL_OPTS (MASK_OPT_AVERAGE \
124 #define TARGET_DEFAULT (MASK_IO_VOLATILE | MASK_OPT_REPEAT | MEP_ALL_OPTS | MASK_LITTLE_ENDIAN)
126 #define TARGET_IO_NO_VOLATILE (! (target_flags & MASK_IO_VOLATILE))
127 #define TARGET_OPT_NOREPEAT (! (target_flags & MASK_OPT_REPEAT))
128 #define TARGET_32BIT_CR_REGS (! (target_flags & MASK_64BIT_CR_REGS))
129 #define TARGET_BIG_ENDIAN (! (target_flags & MASK_LITTLE_ENDIAN))
131 #define TARGET_COPRO_MULT 0
133 #define TARGET_VERSION fprintf (stderr, " (Toshiba Media Processor (MeP))");
135 /* The MeP config tool will add TARGET_OPTION_TRANSLATE_TABLE here. */
136 #define TARGET_OPTION_TRANSLATE_TABLE \
137 {"-mall-opts", "-maverage -mmult -mdiv -mbitops -mleadz \
138 -mabsdiff -mminmax -mclip -msatur -mdebug" }, \
139 {"-mno-opts", "-mno-average -mno-mult -mno-div -mno-bitops -mno-leadz \
140 -mno-absdiff -mno-minmax -mno-clip -mno-satur -mno-debug" }, \
141 {"-mfar", "-ml -mtf -mc=far" } \
142 /* start-target-option-table */ \
143 , {"-mconfig=default", "-mconfig=default -mmult -mdiv -D__MEP_CONFIG_ISA=1" } \
144 /* end-target-option-table */
146 /* The MeP config tool will replace this as appropriate. */
147 #define DEFAULT_ENDIAN_SPEC "%{!meb: -mel}"
149 /* The MeP config tool will replace this with an -mconfig= switch. */
150 #define LIBRARY_CONFIG_SPEC "-mconfig=default"
152 /* Don't add an endian option when building the libraries. */
153 #define DRIVER_SELF_SPECS \
154 "%{!mlibrary:" DEFAULT_ENDIAN_SPEC "}", \
155 "%{mlibrary: " LIBRARY_CONFIG_SPEC " %{!mel:-meb}}"
157 /* The MeP config tool will add COPROC_SELECTION_TABLE here. */
158 /* start-coproc-selection-table */
159 #define COPROC_SELECTION_TABLE \
160 {"default", ISA_EXT1}
161 /* end-coproc-selection-table */
163 #define CAN_DEBUG_WITHOUT_FP
166 #define BITS_BIG_ENDIAN 0
167 #define BYTES_BIG_ENDIAN (TARGET_LITTLE_ENDIAN ? 0 : 1)
168 #define WORDS_BIG_ENDIAN (TARGET_LITTLE_ENDIAN ? 0 : 1)
170 #ifdef __LITTLE_ENDIAN__
171 #define LIBGCC2_WORDS_BIG_ENDIAN 0
173 #define LIBGCC2_WORDS_BIG_ENDIAN 1
176 #define UNITS_PER_WORD 4
178 #define PROMOTE_MODE(MODE, UNSIGNEDP, TYPE) \
181 if (GET_MODE_CLASS (MODE) == MODE_INT \
182 && GET_MODE_SIZE (MODE) < 4) \
187 #define PARM_BOUNDARY 32
188 #define STACK_BOUNDARY 32
189 #define PREFERRED_STACK_BOUNDARY 64
190 #define FUNCTION_BOUNDARY 16
191 #define BIGGEST_ALIGNMENT 64
193 #define DATA_ALIGNMENT(TYPE, ALIGN) \
194 (TREE_CODE (TYPE) == ARRAY_TYPE \
195 && TYPE_MODE (TREE_TYPE (TYPE)) == QImode \
196 && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
198 #define CONSTANT_ALIGNMENT(EXP, ALIGN) \
199 (TREE_CODE (EXP) == STRING_CST \
200 && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
202 #define STRICT_ALIGNMENT 1
204 #define PCC_BITFIELD_TYPE_MATTERS 1
206 #define DEFAULT_VTABLE_THUNKS 1
209 #define INT_TYPE_SIZE 32
210 #define SHORT_TYPE_SIZE 16
211 #define LONG_TYPE_SIZE 32
212 #define LONG_LONG_TYPE_SIZE 64
213 #define CHAR_TYPE_SIZE 8
214 #define FLOAT_TYPE_SIZE 32
215 #define DOUBLE_TYPE_SIZE 64
216 #define LONG_DOUBLE_TYPE_SIZE 64
217 #define DEFAULT_SIGNED_CHAR 1
221 16..47 control registers
222 48..79 coprocessor registers
223 80..111 coprocessor control registers
224 112 virtual arg pointer register */
226 #define FIRST_PSEUDO_REGISTER (LAST_SHADOW_REGISTER + 1)
228 /* R12 is optionally FP. R13 is TP, R14 is GP, R15 is SP. */
229 /* hi and lo can be used as general registers. Others have
231 /* A "1" here means the register is generally not available to gcc,
232 and is assumed to remain unchanged or unused throughout. */
233 #define FIXED_REGISTERS { \
234 /* core registers */ \
235 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, \
236 /* control registers */ \
237 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, \
238 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
239 /* coprocessor registers */ \
240 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
241 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
242 /* coprocessor control registers */ \
243 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
244 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
245 /* virtual arg pointer */ \
246 1, FIXED_SHADOW_REGISTERS \
249 /* This is a call-clobbered reg not used for args or return value,
250 that we use as a temp for saving control registers in the prolog
251 and restoring them in the epilog. */
252 #define REGSAVE_CONTROL_TEMP 11
254 /* A "1" here means a register may be changed by a function without
255 needing to preserve its previous value. */
256 #define CALL_USED_REGISTERS { \
257 /* core registers */ \
258 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, \
259 /* control registers */ \
260 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
261 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
262 /* coprocessor registers */ \
263 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
264 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
265 /* coprocessor control registers */ \
266 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
267 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
268 /* virtual arg pointer */ \
269 1, CALL_USED_SHADOW_REGISTERS \
272 #define CONDITIONAL_REGISTER_USAGE \
273 mep_conditional_register_usage ();
275 #define REG_ALLOC_ORDER { \
276 /* core registers */ \
277 3, 2, 1, 0, 9, 10, 11, 12, 4, 5, 6, 7, 8, 13, 14, 15, \
278 /* control registers */ \
279 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, \
280 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, \
281 /* coprocessor registers */ \
282 /* Prefer to use the non-loadable registers when looking for a \
283 member of CR_REGS (as opposed to LOADABLE_CR_REGS). */ \
284 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 48, 49, 50, 51, 52, 58, \
285 59, 60, 61, 62, 63, 53, 54, 55, 56, 57, 74, 75, 76, 77, 78, 79, \
286 /* coprocessor control registers */ \
287 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, \
288 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, \
289 /* virtual arg pointer */ \
290 112, SHADOW_REG_ALLOC_ORDER \
293 /* We must somehow disable register remapping for interrupt functions. */
294 extern char mep_leaf_registers[];
295 #define LEAF_REGISTERS mep_leaf_registers
296 #define LEAF_REG_REMAP(REG) (REG)
299 #define FIRST_GR_REGNO 0
300 #define FIRST_CONTROL_REGNO (FIRST_GR_REGNO + 16)
301 #define FIRST_CR_REGNO (FIRST_CONTROL_REGNO + 32)
302 #define FIRST_CCR_REGNO (FIRST_CR_REGNO + 32)
304 #define GR_REGNO_P(REGNO) \
305 ((unsigned) ((REGNO) - FIRST_GR_REGNO) < 16)
307 #define CONTROL_REGNO_P(REGNO) \
308 ((unsigned) ((REGNO) - FIRST_CONTROL_REGNO) < 32)
310 #define LOADABLE_CR_REGNO_P(REGNO) \
311 ((unsigned) ((REGNO) - FIRST_CR_REGNO) < 16)
313 #define CR_REGNO_P(REGNO) \
314 ((unsigned) ((REGNO) - FIRST_CR_REGNO) < 32)
316 #define CCR_REGNO_P(REGNO) \
317 ((unsigned) ((REGNO) - FIRST_CCR_REGNO) < 32)
319 #define ANY_CONTROL_REGNO_P(REGNO) \
320 (CONTROL_REGNO_P (REGNO) || CCR_REGNO_P (REGNO))
322 #define HARD_REGNO_NREGS(REGNO, MODE) \
323 ((CR_REGNO_P (REGNO) && TARGET_64BIT_CR_REGS) \
324 ? (GET_MODE_SIZE (MODE) + 8 - 1) / 8 \
325 : (GET_MODE_SIZE (MODE) + 4 - 1) / 4)
327 #define HARD_REGNO_MODE_OK(REGNO, MODE) 1
329 #define MODES_TIEABLE_P(MODE1, MODE2) 1
331 #define CANNOT_CHANGE_MODE_CLASS(FROM, TO, CLASS) \
332 mep_cannot_change_mode_class (FROM, TO, CLASS)
349 CONTROL_OR_GENERAL_REGS,
361 #define N_REG_CLASSES ((int) LIM_REG_CLASSES)
363 #define REG_CLASS_NAMES { \
374 "GENERAL_NOT_R0_REGS", \
377 "CONTROL_OR_GENERAL_REGS", \
382 "LOADABLE_CR_REGS", \
387 #define REG_CLASS_CONTENTS { \
388 { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* NO_REGS */ \
389 { 0x00008000, 0x00000000, 0x00000000, 0x00000000 }, /* SP_REGS */ \
390 { 0x00002000, 0x00000000, 0x00000000, 0x00000000 }, /* TP_REGS */ \
391 { 0x00004000, 0x00000000, 0x00000000, 0x00000000 }, /* GP_REGS */ \
392 { 0x00000001, 0x00000000, 0x00000000, 0x00000000 }, /* R0_REGS */ \
393 { 0x00400000, 0x00000000, 0x00000000, 0x00000000 }, /* RPC_REGS */ \
394 { 0x00800000, 0x00000000, 0x00000000, 0x00000000 }, /* HI_REGS */ \
395 { 0x01000000, 0x00000000, 0x00000000, 0x00000000 }, /* LO_REGS */ \
396 { 0x01800000, 0x00000000, 0x00000000, 0x00000000 }, /* HILO_REGS */ \
397 { 0x000000ff, 0x00000000, 0x00000000, 0x00000000 }, /* TPREL_REGS */ \
398 { 0x0000fffe, 0x00000000, 0x00000000, 0x00000000 }, /* GENERAL_NOT_R0_REGS */ \
399 { 0x0000ffff, 0x00000000, 0x00000000, 0x00010000 }, /* GENERAL_REGS */ \
400 { 0xffff0000, 0x0000ffff, 0x00000000, 0x00000000 }, /* CONTROL_REGS */ \
401 { 0xffffffff, 0x0000ffff, 0x00000000, 0x00000000 }, /* CONTROL_OR_GENERAL_REGS */ \
402 { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* USER0_REGS */ \
403 { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* USER1_REGS */ \
404 { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* USER2_REGS */ \
405 { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* USER3_REGS */ \
406 { 0x00000000, 0xffff0000, 0x00000000, 0x00000000 }, /* LOADABLE_CR_REGS */ \
407 { 0x00000000, 0xffff0000, 0x0000ffff, 0x00000000 }, /* CR_REGS */ \
408 { 0x00000000, 0x00000000, 0xffff0000, 0x0000ffff }, /* CCR_REGS */ \
409 { 0xffffffff, 0xffffffff, 0xffffffff, 0x0001ffff }, /* ALL_REGS */ \
412 #define REGNO_REG_CLASS(REGNO) mep_regno_reg_class (REGNO)
414 #define IRA_COVER_CLASSES { GENERAL_REGS, CONTROL_REGS, CR_REGS, CCR_REGS, LIM_REG_CLASSES }
416 #define BASE_REG_CLASS GENERAL_REGS
417 #define INDEX_REG_CLASS GENERAL_REGS
420 #define REG_CLASS_FROM_CONSTRAINT(CHAR, STRING) \
421 mep_reg_class_from_constraint (CHAR, STRING)
424 #define REGNO_OK_FOR_BASE_P(NUM) (GR_REGNO_P (NUM) \
425 || (NUM) == ARG_POINTER_REGNUM \
426 || (NUM) >= FIRST_PSEUDO_REGISTER)
428 #define REGNO_OK_FOR_INDEX_P(NUM) REGNO_OK_FOR_BASE_P (NUM)
430 #define PREFERRED_RELOAD_CLASS(X, CLASS) mep_preferred_reload_class (X, CLASS)
432 #define SECONDARY_INPUT_RELOAD_CLASS(CLASS, MODE, X) \
433 mep_secondary_input_reload_class (CLASS, MODE, X)
434 #define SECONDARY_OUTPUT_RELOAD_CLASS(CLASS, MODE, X) \
435 mep_secondary_output_reload_class (CLASS, MODE, X)
436 #define SECONDARY_MEMORY_NEEDED(CLASS1, CLASS2, MODE) \
437 mep_secondary_memory_needed (CLASS1, CLASS2, MODE)
439 #define CLASS_MAX_NREGS(CLASS, MODE) \
440 ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
443 #define CONST_OK_FOR_LETTER_P(VALUE, C) mep_const_ok_for_letter_p (VALUE, C)
445 #define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) 0
447 #define CONSTRAINT_LEN(C, STR) \
448 ((C) == 'e' ? 2 : DEFAULT_CONSTRAINT_LEN (C, STR))
449 #define EXTRA_CONSTRAINT(VALUE, C) mep_extra_constraint (VALUE, C)
452 #define WANT_GCC_DECLARATIONS
453 #include "mep-intrin.h"
454 #undef WANT_GCC_DECLARATIONS
456 extern int mep_intrinsic_insn[];
457 extern unsigned int mep_selected_isa;
459 /* True if intrinsic X is available. X is a mep_* value declared
461 #define MEP_INTRINSIC_AVAILABLE_P(X) (mep_intrinsic_insn[X] >= 0)
463 /* Used to define CGEN_ENABLE_INTRINSIC_P in mep-intrin.h. */
464 #define CGEN_CURRENT_ISAS mep_selected_isa
465 #define CGEN_CURRENT_GROUP \
466 (mep_vliw_function_p (cfun->decl) ? GROUP_VLIW : GROUP_NORMAL)
470 #define STACK_GROWS_DOWNWARD 1
471 #define FRAME_GROWS_DOWNWARD 1
472 #define STARTING_FRAME_OFFSET 0
473 #define FIRST_PARM_OFFSET(FUNDECL) 0
474 #define INCOMING_FRAME_SP_OFFSET 0
476 #define RETURN_ADDR_RTX(COUNT, FRAMEADDR) mep_return_addr_rtx (COUNT)
477 #define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (SImode, LP_REGNO)
478 #define DWARF_FRAME_RETURN_COLUMN LP_REGNO
480 #define STACK_POINTER_REGNUM 15
481 #define FRAME_POINTER_REGNUM 8
482 #define ARG_POINTER_REGNUM 112
483 #define RETURN_ADDRESS_POINTER_REGNUM 17
484 #define STATIC_CHAIN_REGNUM 0
488 #define ELIMINABLE_REGS \
490 {ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
491 {ARG_POINTER_REGNUM, FRAME_POINTER_REGNUM}, \
492 {FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM} \
495 #define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
496 (OFFSET) = mep_elimination_offset (FROM, TO)
498 #define ACCUMULATE_OUTGOING_ARGS 1
502 /* The ABI is thus: Arguments are in $1, $2, $3, $4, stack. Arguments
503 larger than 4 bytes are passed indirectly. Return value in 0,
504 unless bigger than 4 bytes, then the caller passes a pointer as the
505 first arg. For varargs, we copy $1..$4 to the stack. */
507 #define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
508 mep_function_arg (CUM, MODE, TYPE, NAMED)
510 #define FUNCTION_ARG_CALLEE_COPIES(CUM, MODE, TYPE, NAMED) 1
518 #define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, FNDECL, N_NAMED_ARGS) \
519 mep_init_cumulative_args (& (CUM), FNTYPE, LIBNAME, FNDECL)
521 #define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \
522 mep_arg_advance (& (CUM), MODE, TYPE, NAMED)
524 #define FUNCTION_ARG_REGNO_P(REGNO) \
525 (((REGNO) >= 1 && (REGNO) <= 4) \
526 || ((REGNO) >= FIRST_CR_REGNO + 1 \
527 && (REGNO) <= FIRST_CR_REGNO + 4 \
530 #define RETURN_VALUE_REGNUM 0
532 #define FUNCTION_VALUE(VALTYPE, FUNC) mep_function_value (VALTYPE, FUNC)
533 #define LIBCALL_VALUE(MODE) mep_libcall_value (MODE)
535 #define FUNCTION_VALUE_REGNO_P(REGNO) \
536 ((REGNO) == RETURN_VALUE_REGNUM)
538 #define DEFAULT_PCC_STRUCT_RETURN 0
540 #define STRUCT_VALUE 0
542 #define FUNCTION_OK_FOR_SIBCALL(DECL) mep_function_ok_for_sibcall(DECL)
544 /* Prologue and epilogues are all handled via RTL. */
546 #define EXIT_IGNORE_STACK 1
548 #define EPILOGUE_USES(REGNO) mep_epilogue_uses (REGNO)
550 /* Profiling is supported. */
552 #define FUNCTION_PROFILER(FILE, LABELNO) mep_function_profiler (FILE);
553 #undef TARGET_HAS_F_SETLKW
554 #define NO_PROFILE_COUNTERS 1
556 /* Trampolines are built at run-time. The cache is invalidated at
559 #define TRAMPOLINE_SIZE 20
562 #define MAX_REGS_PER_ADDRESS 1
565 #define GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \
566 if (mep_legitimate_address ((MODE), (X), 1)) goto LABEL
568 #define GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \
569 if (mep_legitimate_address ((MODE), (X), 0)) goto LABEL
573 #define REG_OK_FOR_BASE_P(X) GR_REGNO_P (REGNO (X))
575 #define REG_OK_FOR_BASE_P(X) (GR_REGNO_P (REGNO (X)) \
576 || REGNO (X) == ARG_POINTER_REGNUM \
577 || REGNO (X) >= FIRST_PSEUDO_REGISTER)
580 #define REG_OK_FOR_INDEX_P(X) REG_OK_FOR_BASE_P (X)
582 #define LEGITIMIZE_RELOAD_ADDRESS(X, MODE, OPNUM, TYPE, IND_LEVELS, WIN) \
583 if (mep_legitimize_reload_address (&(X), (MODE), (OPNUM), (TYPE), (IND_LEVELS))) \
586 #define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR, LABEL)
588 #define LEGITIMATE_CONSTANT_P(X) \
589 mep_legitimate_constant_p(X)
591 #define SELECT_CC_MODE(OP, X, Y) CCmode
594 /* Moves between control regs need a scratch. */
595 #define REGISTER_MOVE_COST(MODE, FROM, TO) mep_register_move_cost (MODE, FROM, TO)
597 #define SLOW_BYTE_ACCESS 1
599 /* Define this macro if it is as good or better to call a constant function
600 address than to call an address kept in a register. */
601 #define NO_FUNCTION_CSE
604 #define TEXT_SECTION_ASM_OP "\t.text\n\t.core"
605 #define DATA_SECTION_ASM_OP "\t.data"
606 #define BSS_SECTION_ASM_OP ".bss"
608 #define USE_SELECT_SECTION_FOR_FUNCTIONS 1
610 #define JUMP_TABLES_IN_TEXT_SECTION 1
612 #define TARGET_ASM_FILE_END mep_file_cleanups
614 #define ASM_APP_ON "#APP\n"
615 #define ASM_APP_OFF "#NO_APP\n"
617 #define ASM_OUTPUT_DOUBLE(FILE, VALUE) \
622 REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \
623 fprintf (FILE, "\t.long\t0x%lx,0x%lx\n", l[0], l[1]); \
627 #define ASM_OUTPUT_FLOAT(FILE, VALUE) \
632 REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \
633 fprintf ((FILE), "\t.long\t0x%lx\n", l); \
637 #define ASM_OUTPUT_CHAR(FILE, VALUE) \
640 fprintf (FILE, "\t.byte\t"); \
641 output_addr_const (FILE, (VALUE)); \
642 fprintf (FILE, "\n"); \
646 #define ASM_OUTPUT_SHORT(FILE, VALUE) \
649 fprintf (FILE, "\t.hword\t"); \
650 output_addr_const (FILE, (VALUE)); \
651 fprintf (FILE, "\n"); \
655 #define ASM_OUTPUT_INT(FILE, VALUE) \
658 fprintf (FILE, "\t.word\t"); \
659 output_addr_const (FILE, (VALUE)); \
660 fprintf (FILE, "\n"); \
664 #define ASM_OUTPUT_BYTE(STREAM, VALUE) \
665 fprintf (STREAM, "\t%s\t0x%x\n", ASM_BYTE_OP, (VALUE))
667 /* Most of these are here to support based/tiny/far/io attributes. */
669 #define ASM_OUTPUT_ALIGNED_DECL_COMMON(STREAM, DECL, NAME, SIZE, ALIGNMENT) \
670 mep_output_aligned_common (STREAM, DECL, NAME, SIZE, ALIGNMENT, 1)
672 #define ASM_OUTPUT_ALIGNED_DECL_LOCAL(STREAM, DECL, NAME, SIZE, ALIGNMENT) \
673 mep_output_aligned_common (STREAM, DECL, NAME, SIZE, ALIGNMENT, 0)
675 #define ASM_OUTPUT_LABEL(STREAM, NAME) \
678 assemble_name (STREAM, NAME); \
679 fputs (":\n", STREAM); \
683 /* Globalizing directive for a label. */
684 #define GLOBAL_ASM_OP "\t.globl "
686 #define ASM_OUTPUT_LABELREF(STREAM, NAME) \
687 asm_fprintf ((STREAM), "%U%s", mep_strip_name_encoding (NAME))
689 #define ASM_FORMAT_PRIVATE_NAME(OUTVAR, NAME, NUMBER) \
692 (OUTVAR) = (char *) alloca (strlen ((NAME)) + 12); \
693 sprintf ((OUTVAR), "%s.%ld", (NAME), (long)(NUMBER)); \
698 #define REGISTER_NAMES \
700 /* Core registers. */ \
701 "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", \
702 "$8", "$9", "$10", "$11", "$12", "$tp", "$gp", "$sp", \
703 /* Control registers. */ \
704 "$pc", "$lp", "$sar", "3", "$rpb", "$rpe", "$rpc", "$hi", \
705 "$lo", "9", "10", "11", "$mb0", "$me0", "$mb1", "$me1", \
706 "$psw", "$id", "$tmp", "$epc", "$exc", "$cfg", "22", "$npc", \
707 "$dbg", "$depc", "$opt", "$rcfg", "$ccfg", "29", "30", "31", \
708 /* Coprocessor registers. */ \
709 "$c0", "$c1", "$c2", "$c3", "$c4", "$c5", "$c6", "$c7", \
710 "$c8", "$c9", "$c10", "$c11", "$c12", "$c13", "$c14", "$c15", \
711 "$c16", "$c17", "$c18", "$c19", "$c20", "$c21", "$c22", "$c23", \
712 "$c24", "$c25", "$c26", "$c27", "$c28", "$c29", "$c30", "$c31", \
713 /* Coprocessor control registers. */ \
714 "$ccr0", "$ccr1", "$ccr2", "$ccr3", "$ccr4", "$ccr5", "$ccr6", \
715 "$ccr7", "$ccr8", "$ccr9", "$ccr10", "$ccr11", "$ccr12", "$ccr13", \
716 "$ccr14", "$ccr15", "$ccr16", "$ccr17", "$ccr18", "$ccr19", "$ccr20", \
717 "$ccr21", "$ccr22", "$ccr23", "$ccr24", "$ccr25", "$ccr26", "$ccr27", \
718 "$ccr28", "$ccr29", "$ccr30", "$ccr31", \
719 /* Virtual arg pointer. */ \
720 "$argp", SHADOW_REGISTER_NAMES \
723 /* We duplicate some of the above because we twiddle the above
724 according to *how* the registers are used. Likewise, we include
725 the standard names for coprocessor control registers so that
726 coprocessor options can rename them in the default table. Note
727 that these are compared to stripped names (see REGISTER_PREFIX
729 #define ADDITIONAL_REGISTER_NAMES \
731 { "8", 8 }, { "fp", 8 }, \
732 { "13", 13 }, { "tp", 13 }, \
733 { "14", 14 }, { "gp", 14 }, \
734 { "15", 15 }, { "sp", 15 }, \
735 { "ccr0", FIRST_CCR_REGNO + 0 }, \
736 { "ccr1", FIRST_CCR_REGNO + 1 }, \
737 { "ccr2", FIRST_CCR_REGNO + 2 }, \
738 { "ccr3", FIRST_CCR_REGNO + 3 }, \
739 { "ccr4", FIRST_CCR_REGNO + 4 }, \
740 { "ccr5", FIRST_CCR_REGNO + 5 }, \
741 { "ccr6", FIRST_CCR_REGNO + 6 }, \
742 { "ccr7", FIRST_CCR_REGNO + 7 }, \
743 { "ccr8", FIRST_CCR_REGNO + 8 }, \
744 { "ccr9", FIRST_CCR_REGNO + 9 }, \
745 { "ccr10", FIRST_CCR_REGNO + 10 }, \
746 { "ccr11", FIRST_CCR_REGNO + 11 }, \
747 { "ccr12", FIRST_CCR_REGNO + 12 }, \
748 { "ccr13", FIRST_CCR_REGNO + 13 }, \
749 { "ccr14", FIRST_CCR_REGNO + 14 }, \
750 { "ccr15", FIRST_CCR_REGNO + 15 }, \
751 { "ccr16", FIRST_CCR_REGNO + 16 }, \
752 { "ccr17", FIRST_CCR_REGNO + 17 }, \
753 { "ccr18", FIRST_CCR_REGNO + 18 }, \
754 { "ccr19", FIRST_CCR_REGNO + 19 }, \
755 { "ccr20", FIRST_CCR_REGNO + 20 }, \
756 { "ccr21", FIRST_CCR_REGNO + 21 }, \
757 { "ccr22", FIRST_CCR_REGNO + 22 }, \
758 { "ccr23", FIRST_CCR_REGNO + 23 }, \
759 { "ccr24", FIRST_CCR_REGNO + 24 }, \
760 { "ccr25", FIRST_CCR_REGNO + 25 }, \
761 { "ccr26", FIRST_CCR_REGNO + 26 }, \
762 { "ccr27", FIRST_CCR_REGNO + 27 }, \
763 { "ccr28", FIRST_CCR_REGNO + 28 }, \
764 { "ccr29", FIRST_CCR_REGNO + 29 }, \
765 { "ccr30", FIRST_CCR_REGNO + 30 }, \
766 { "ccr31", FIRST_CCR_REGNO + 31 } \
769 /* We watch for pipeline hazards with these */
770 #define ASM_OUTPUT_OPCODE(STREAM, PTR) mep_asm_output_opcode (STREAM, PTR)
771 #define FINAL_PRESCAN_INSN(INSN, OPVEC, NOPERANDS) mep_final_prescan_insn (INSN, OPVEC, NOPERANDS)
773 #define PRINT_OPERAND(STREAM, X, CODE) mep_print_operand (STREAM, X, CODE)
775 #define PRINT_OPERAND_PUNCT_VALID_P(CODE) ((CODE) == '!' || (CODE) == '<')
777 #define PRINT_OPERAND_ADDRESS(STREAM, X) mep_print_operand_address (STREAM, X)
779 #define REGISTER_PREFIX "$"
780 #define LOCAL_LABEL_PREFIX "."
781 #define USER_LABEL_PREFIX ""
782 #define IMMEDIATE_PREFIX ""
786 #define ASM_OUTPUT_ADDR_VEC_ELT(STREAM, VALUE) \
787 fprintf (STREAM, "\t.word .L%d\n", VALUE)
791 #undef PREFERRED_DEBUGGING_TYPE
792 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
793 #define DWARF2_DEBUGGING_INFO 1
794 #define DWARF2_UNWIND_INFO 1
796 #define EH_RETURN_DATA_REGNO(N) ((N) < 2 ? (N) + 10 : INVALID_REGNUM)
798 #define EH_RETURN_STACKADJ_RTX mep_return_stackadj_rtx ()
799 #define EH_RETURN_HANDLER_RTX mep_return_handler_rtx ()
801 #define DBX_REGISTER_NUMBER(REGNO) (REGNO)
805 #define ASM_OUTPUT_ALIGN(STREAM, POWER) \
806 fprintf ((STREAM), "\t.p2align %d\n", (POWER))
810 #define CASE_VECTOR_MODE SImode
812 #define WORD_REGISTER_OPERATIONS
813 #define LOAD_EXTEND_OP(MODE) SIGN_EXTEND
815 #define SHORT_IMMEDIATES_SIGN_EXTEND
819 #define SHIFT_COUNT_TRUNCATED 1
821 #define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1
823 #define STORE_FLAG_VALUE 1
827 #define FUNCTION_MODE SImode
829 #define REGISTER_TARGET_PRAGMAS() mep_register_pragmas ()
831 #define HANDLE_PRAGMA_PACK_PUSH_POP 1
833 /* If defined, a C expression to determine the base term of address X.
834 This macro is used in only one place: `find_base_term' in alias.c.
836 It is always safe for this macro to not be defined. It exists so
837 that alias analysis can understand machine-dependent addresses.
839 The typical use of this macro is to handle addresses containing
840 a label_ref or symbol_ref within an UNSPEC. */
841 #define FIND_BASE_TERM(X) mep_find_base_term (X)