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gcc.gnu.org Git - gcc.git/blob - gcc/config/rx/rx.h
1 /* GCC backend definitions for the Renesas RX processor.
2 Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
3 Contributed by Red Hat.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published
9 by the Free Software Foundation; either version 3, or (at your
10 option) any later version.
12 GCC is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
22 #define TARGET_CPU_CPP_BUILTINS() \
25 builtin_define ("__RX__"); \
26 builtin_assert ("cpu=RX"); \
27 if (rx_cpu_type == RX610) \
29 builtin_define ("__RX610__"); \
30 builtin_assert ("machine=RX610"); \
33 builtin_assert ("machine=RX600"); \
35 if (TARGET_BIG_ENDIAN_DATA) \
36 builtin_define ("__RX_BIG_ENDIAN__"); \
38 builtin_define ("__RX_LITTLE_ENDIAN__");\
40 if (TARGET_64BIT_DOUBLES) \
41 builtin_define ("__RX_64BIT_DOUBLES__");\
43 builtin_define ("__RX_32BIT_DOUBLES__");\
45 if (ALLOW_RX_FPU_INSNS) \
46 builtin_define ("__RX_FPU_INSNS__"); \
48 if (TARGET_AS100_SYNTAX) \
49 builtin_define ("__RX_AS100_SYNTAX__"); \
51 builtin_define ("__RX_GAS_SYNTAX__"); \
57 %{mas100-syntax:%{gdwarf*:%e-mas100-syntax is incompatible with -gdwarf}} \
58 %{mcpu=rx200:%{fpu:%erx200 cpu does not have FPU hardware}}"
61 #define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:crt0.o%s} crtbegin.o%s"
64 #define ENDFILE_SPEC "crtend.o%s crtn.o%s"
68 %{mbig-endian-data:-mbig-endian-data} \
69 %{m64bit-doubles:-m64bit-doubles} \
70 %{!m64bit-doubles:-m32bit-doubles} \
71 %{msmall-data-limit*:-msmall-data-limit} \
79 %{msim:-lsim}%{!msim:-lnosys} \
80 %{fprofile-arcs|fprofile-generate|coverage:-lgcov} \
82 %{!T*: %{msim:%Trx-sim.ld}%{!msim:%Trx.ld}} \
86 #define LINK_SPEC "%{mbig-endian-data:--oformat elf32-rx-be} %{mrelax:-relax}"
89 #define BITS_BIG_ENDIAN 0
90 #define BYTES_BIG_ENDIAN TARGET_BIG_ENDIAN_DATA
91 #define WORDS_BIG_ENDIAN TARGET_BIG_ENDIAN_DATA
93 #define UNITS_PER_WORD 4
95 #define INT_TYPE_SIZE 32
96 #define LONG_TYPE_SIZE 32
97 #define LONG_LONG_TYPE_SIZE 64
99 #define FLOAT_TYPE_SIZE 32
100 #define DOUBLE_TYPE_SIZE (TARGET_64BIT_DOUBLES ? 64 : 32)
101 #define LONG_DOUBLE_TYPE_SIZE DOUBLE_TYPE_SIZE
103 #ifdef __RX_32BIT_DOUBLES__
104 #define LIBGCC2_HAS_DF_MODE 0
105 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 32
107 #define LIBGCC2_HAS_DF_MODE 1
108 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
111 #define DEFAULT_SIGNED_CHAR 0
113 #define STRICT_ALIGNMENT 1
114 #define FUNCTION_BOUNDARY 8
115 #define BIGGEST_ALIGNMENT 32
116 #define STACK_BOUNDARY 32
117 #define PARM_BOUNDARY 8
119 #define STACK_GROWS_DOWNWARD 1
120 #define FRAME_GROWS_DOWNWARD 0
121 #define FIRST_PARM_OFFSET(FNDECL) 0
123 #define MAX_REGS_PER_ADDRESS 2
126 #define POINTER_SIZE 32
128 #define SIZE_TYPE "long unsigned int"
130 #define PTRDIFF_TYPE "long int"
132 #define WCHAR_TYPE "long int"
133 #undef WCHAR_TYPE_SIZE
134 #define WCHAR_TYPE_SIZE BITS_PER_WORD
135 #define POINTERS_EXTEND_UNSIGNED 1
136 #define FUNCTION_MODE QImode
137 #define CASE_VECTOR_MODE Pmode
138 #define WORD_REGISTER_OPERATIONS 1
139 #define HAS_LONG_COND_BRANCH 0
140 #define HAS_LONG_UNCOND_BRANCH 0
143 #define STARTING_FRAME_OFFSET 0
145 #define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1
147 #define HAVE_PRE_DECCREMENT 1
148 #define HAVE_POST_INCREMENT 1
150 #define MOVE_RATIO(SPEED) ((SPEED) ? 4 : 2)
151 #define SLOW_BYTE_ACCESS 1
153 #define STORE_FLAG_VALUE 1
154 #define LOAD_EXTEND_OP(MODE) SIGN_EXTEND
155 #define SHORT_IMMEDIATES_SIGN_EXTEND 1
159 NO_REGS
, /* No registers in set. */
160 GR_REGS
, /* Integer registers. */
161 ALL_REGS
, /* All registers. */
162 LIM_REG_CLASSES
/* Max value + 1. */
165 #define REG_CLASS_NAMES \
172 #define REG_CLASS_CONTENTS \
174 { 0x00000000 }, /* No registers, */ \
175 { 0x0000ffff }, /* Integer registers. */ \
176 { 0x0000ffff } /* All registers. */ \
179 #define SMALL_REGISTER_CLASSES 0
180 #define N_REG_CLASSES (int) LIM_REG_CLASSES
181 #define CLASS_MAX_NREGS(CLASS, MODE) ((GET_MODE_SIZE (MODE) \
182 + UNITS_PER_WORD - 1) \
185 #define GENERAL_REGS GR_REGS
186 #define BASE_REG_CLASS GR_REGS
187 #define INDEX_REG_CLASS GR_REGS
189 #define FIRST_PSEUDO_REGISTER 17
191 #define REGNO_REG_CLASS(REGNO) ((REGNO) < FIRST_PSEUDO_REGISTER \
194 #define STACK_POINTER_REGNUM 0
195 #define FUNC_RETURN_REGNUM 1
196 #define FRAME_POINTER_REGNUM 6
197 #define ARG_POINTER_REGNUM 7
198 #define STATIC_CHAIN_REGNUM 8
199 #define TRAMPOLINE_TEMP_REGNUM 9
200 #define STRUCT_VAL_REGNUM 15
203 /* This is the register which is used to hold the address of the start
204 of the small data area, if that feature is being used. Note - this
205 register must not be call_used because otherwise library functions
206 that are compiled without small data support might clobber it.
208 FIXME: The function gcc/config/rx/rx.c:rx_gen_move_template() has a
209 built in copy of this register's name, rather than constructing the
210 name from this #define. */
211 #define GP_BASE_REGNUM 13
213 #define ELIMINABLE_REGS \
214 {{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM }, \
215 { ARG_POINTER_REGNUM, FRAME_POINTER_REGNUM }, \
216 { FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM }}
218 #define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
219 (OFFSET) = rx_initial_elimination_offset ((FROM), (TO))
222 #define FUNCTION_ARG_REGNO_P(N) (((N) >= 1) && ((N) <= 4))
223 #define FUNCTION_VALUE_REGNO_P(N) ((N) == FUNC_RETURN_REGNUM)
224 #define DEFAULT_PCC_STRUCT_RETURN 0
226 #define FIXED_REGISTERS \
228 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 \
231 #define CALL_USED_REGISTERS \
233 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1 \
236 #define LIBCALL_VALUE(MODE) \
237 gen_rtx_REG (((GET_MODE_CLASS (MODE) != MODE_INT \
238 || COMPLEX_MODE_P (MODE) \
239 || GET_MODE_SIZE (MODE) >= 4) \
244 /* Order of allocation of registers. */
246 #define REG_ALLOC_ORDER \
247 { 7, 10, 11, 12, 13, 14, 4, 3, 2, 1, 9, 8, 6, 5, 15 \
250 #define REGNO_IN_RANGE(REGNO, MIN, MAX) \
251 (IN_RANGE ((REGNO), (MIN), (MAX)) \
252 || (reg_renumber != NULL \
253 && reg_renumber[(REGNO)] >= (MIN) \
254 && reg_renumber[(REGNO)] <= (MAX)))
257 #define REGNO_OK_FOR_BASE_P(regno) REGNO_IN_RANGE (regno, 0, 15)
259 #define REGNO_OK_FOR_BASE_P(regno) 1
262 #define REGNO_OK_FOR_INDEX_P(regno) REGNO_OK_FOR_BASE_P (regno)
264 #define RTX_OK_FOR_BASE(X, STRICT) \
267 && REGNO_IN_RANGE (REGNO (X), 0, 15)) \
268 || (GET_CODE (X) == SUBREG \
269 && REG_P (SUBREG_REG (X)) \
270 && REGNO_IN_RANGE (REGNO (SUBREG_REG (X)), 0, 15))) \
273 || (GET_CODE (X) == SUBREG \
274 && REG_P (SUBREG_REG (X))))))
277 #define RETURN_ADDR_RTX(COUNT, FRAMEADDR) \
279 ? gen_rtx_MEM (Pmode, gen_rtx_PLUS (Pmode, arg_pointer_rtx, GEN_INT (-4))) \
282 #define INCOMING_RETURN_ADDR_RTX gen_rtx_MEM (Pmode, stack_pointer_rtx)
284 #define ACCUMULATE_OUTGOING_ARGS 1
286 typedef unsigned int CUMULATIVE_ARGS
;
288 #define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \
292 #define TRAMPOLINE_SIZE (! TARGET_BIG_ENDIAN_DATA ? 14 : 20)
293 #define TRAMPOLINE_ALIGNMENT 32
295 #define NO_PROFILE_COUNTERS 1
296 #define PROFILE_BEFORE_PROLOGUE 1
298 #define FUNCTION_PROFILER(FILE, LABELNO) \
299 fprintf (FILE, "\tbsr\t__mcount\n");
302 #define HARD_REGNO_NREGS(REGNO, MODE) CLASS_MAX_NREGS (0, MODE)
304 #define HARD_REGNO_MODE_OK(REGNO, MODE) \
305 REGNO_REG_CLASS (REGNO) == GR_REGS
307 #define MODES_TIEABLE_P(MODE1, MODE2) \
308 ( ( GET_MODE_CLASS (MODE1) == MODE_FLOAT \
309 || GET_MODE_CLASS (MODE1) == MODE_COMPLEX_FLOAT) \
310 == ( GET_MODE_CLASS (MODE2) == MODE_FLOAT \
311 || GET_MODE_CLASS (MODE2) == MODE_COMPLEX_FLOAT))
314 #define REGISTER_NAMES \
316 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
317 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", "cc" \
320 #define ADDITIONAL_REGISTER_NAMES \
322 { "sp", STACK_POINTER_REGNUM } \
323 , { "fp", FRAME_POINTER_REGNUM } \
324 , { "arg", ARG_POINTER_REGNUM } \
325 , { "chain", STATIC_CHAIN_REGNUM } \
328 #define DATA_SECTION_ASM_OP \
329 (TARGET_AS100_SYNTAX ? "\t.SECTION D,DATA" \
330 : "\t.section D,\"aw\",@progbits\n\t.p2align 2")
332 #define SDATA_SECTION_ASM_OP \
333 (TARGET_AS100_SYNTAX ? "\t.SECTION D_2,DATA,ALIGN=2" \
334 : "\t.section D_2,\"aw\",@progbits\n\t.p2align 1")
336 #undef READONLY_DATA_SECTION_ASM_OP
337 #define READONLY_DATA_SECTION_ASM_OP \
338 (TARGET_AS100_SYNTAX ? "\t.SECTION C,ROMDATA,ALIGN=4" \
339 : "\t.section C,\"a\",@progbits\n\t.p2align 2")
341 #define BSS_SECTION_ASM_OP \
342 (TARGET_AS100_SYNTAX ? "\t.SECTION B,DATA,ALIGN=4" \
343 : "\t.section B,\"w\",@nobits\n\t.p2align 2")
345 #define SBSS_SECTION_ASM_OP \
346 (TARGET_AS100_SYNTAX ? "\t.SECTION B_2,DATA,ALIGN=2" \
347 : "\t.section B_2,\"w\",@nobits\n\t.p2align 1")
349 /* The following definitions are conditional depending upon whether the
350 compiler is being built or crtstuff.c is being compiled by the built
352 #if defined CRT_BEGIN || defined CRT_END
353 # ifdef __RX_AS100_SYNTAX
354 # define TEXT_SECTION_ASM_OP "\t.SECTION P,CODE"
355 # define CTORS_SECTION_ASM_OP "\t.SECTION init_array,CODE"
356 # define DTORS_SECTION_ASM_OP "\t.SECTION fini_array,CODE"
357 # define INIT_ARRAY_SECTION_ASM_OP "\t.SECTION init_array,CODE"
358 # define FINI_ARRAY_SECTION_ASM_OP "\t.SECTION fini_array,CODE"
360 # define TEXT_SECTION_ASM_OP "\t.section P,\"ax\""
361 # define CTORS_SECTION_ASM_OP \
362 "\t.section\t.init_array,\"aw\",@init_array"
363 # define DTORS_SECTION_ASM_OP \
364 "\t.section\t.fini_array,\"aw\",@fini_array"
365 # define INIT_ARRAY_SECTION_ASM_OP \
366 "\t.section\t.init_array,\"aw\",@init_array"
367 # define FINI_ARRAY_SECTION_ASM_OP \
368 "\t.section\t.fini_array,\"aw\",@fini_array"
371 # define TEXT_SECTION_ASM_OP \
372 (TARGET_AS100_SYNTAX ? "\t.SECTION P,CODE" : "\t.section P,\"ax\"")
374 # define CTORS_SECTION_ASM_OP \
375 (TARGET_AS100_SYNTAX ? "\t.SECTION init_array,CODE" \
376 : "\t.section\t.init_array,\"aw\",@init_array")
378 # define DTORS_SECTION_ASM_OP \
379 (TARGET_AS100_SYNTAX ? "\t.SECTION fini_array,CODE" \
380 : "\t.section\t.fini_array,\"aw\",@fini_array")
382 # define INIT_ARRAY_SECTION_ASM_OP \
383 (TARGET_AS100_SYNTAX ? "\t.SECTION init_array,CODE" \
384 : "\t.section\t.init_array,\"aw\",@init_array")
386 # define FINI_ARRAY_SECTION_ASM_OP \
387 (TARGET_AS100_SYNTAX ? "\t.SECTION fini_array,CODE" \
388 : "\t.section\t.fini_array,\"aw\",@fini_array")
391 #define GLOBAL_ASM_OP \
392 (TARGET_AS100_SYNTAX ? "\t.GLB\t" : "\t.global\t")
393 #define ASM_COMMENT_START " ;"
394 #define ASM_APP_ON ""
395 #define ASM_APP_OFF ""
396 #define LOCAL_LABEL_PREFIX "L"
397 #undef USER_LABEL_PREFIX
398 #define USER_LABEL_PREFIX "_"
400 /* Compute the alignment needed for label X in various situations.
401 If the user has specified an alignment then honour that, otherwise
402 use rx_align_for_label. */
403 #define JUMP_ALIGN(x) (align_jumps ? align_jumps : rx_align_for_label (x, 0))
404 #define LABEL_ALIGN(x) (align_labels ? align_labels : rx_align_for_label (x, 3))
405 #define LOOP_ALIGN(x) (align_loops ? align_loops : rx_align_for_label (x, 2))
406 #define LABEL_ALIGN_AFTER_BARRIER(x) rx_align_for_label (x, 0)
408 #define ASM_OUTPUT_MAX_SKIP_ALIGN(STREAM, LOG, MAX_SKIP) \
411 if ((LOG) == 0 || (MAX_SKIP) == 0) \
413 if (TARGET_AS100_SYNTAX) \
416 fprintf (STREAM, "\t.ALIGN 4\t; %d alignment actually requested\n", 1 << (LOG)); \
418 fprintf (STREAM, "\t.ALIGN 2\n"); \
421 fprintf (STREAM, "\t.balign %d,3,%d\n", 1 << (LOG), (MAX_SKIP)); \
425 #define ASM_OUTPUT_ALIGN(STREAM, LOG) \
430 if (TARGET_AS100_SYNTAX) \
433 fprintf (STREAM, "\t.ALIGN 4\t; %d alignment actually requested\n", 1 << (LOG)); \
435 fprintf (STREAM, "\t.ALIGN 2\n"); \
438 fprintf (STREAM, "\t.balign %d\n", 1 << (LOG)); \
442 #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
443 fprintf (FILE, TARGET_AS100_SYNTAX ? "\t.LWORD L%d\n" : "\t.long .L%d\n", \
446 /* This is how to output an element of a case-vector that is relative.
447 Note: The local label referenced by the "3b" below is emitted by
448 the tablejump insn. */
450 #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
451 fprintf (FILE, TARGET_AS100_SYNTAX \
452 ? "\t.LWORD L%d - ?-\n" : "\t.long .L%d - 1b\n", VALUE)
454 #define ASM_OUTPUT_SIZE_DIRECTIVE(STREAM, NAME, SIZE) \
457 HOST_WIDE_INT size_ = (SIZE); \
459 /* The as100 assembler does not have an equivalent of the SVR4 \
460 .size pseudo-op. */ \
461 if (TARGET_AS100_SYNTAX) \
464 fputs (SIZE_ASM_OP, STREAM); \
465 assemble_name (STREAM, NAME); \
466 fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_); \
470 #define ASM_OUTPUT_MEASURED_SIZE(STREAM, NAME) \
473 /* The as100 assembler does not have an equivalent of the SVR4 \
474 .size pseudo-op. */ \
475 if (TARGET_AS100_SYNTAX) \
477 fputs (SIZE_ASM_OP, STREAM); \
478 assemble_name (STREAM, NAME); \
479 fputs (", .-", STREAM); \
480 assemble_name (STREAM, NAME); \
481 putc ('\n', STREAM); \
485 #define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE) \
488 /* The as100 assembler does not have an equivalent of the SVR4 \
489 .size pseudo-op. */ \
490 if (TARGET_AS100_SYNTAX) \
492 fputs (TYPE_ASM_OP, STREAM); \
493 assemble_name (STREAM, NAME); \
494 fputs (", ", STREAM); \
495 fprintf (STREAM, TYPE_OPERAND_FMT, TYPE); \
496 putc ('\n', STREAM); \
500 #undef ASM_GENERATE_INTERNAL_LABEL
501 #define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
504 sprintf (LABEL, TARGET_AS100_SYNTAX ? "*%s%u" : "*.%s%u", \
505 PREFIX, (unsigned) (NUM)); \
509 #undef ASM_OUTPUT_EXTERNAL
510 #define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
513 if (TARGET_AS100_SYNTAX) \
514 targetm.asm_out.globalize_label (FILE, NAME); \
515 default_elf_asm_output_external (FILE, DECL, NAME); \
519 #undef ASM_OUTPUT_ALIGNED_COMMON
520 #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
523 if (TARGET_AS100_SYNTAX) \
525 fprintf ((FILE), "\t.GLB\t"); \
526 assemble_name ((FILE), (NAME)); \
527 fprintf ((FILE), "\n"); \
528 assemble_name ((FILE), (NAME)); \
529 switch ((ALIGN) / BITS_PER_UNIT) \
532 fprintf ((FILE), ":\t.BLKL\t"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\
536 fprintf ((FILE), ":\t.BLKW\t"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\
540 fprintf ((FILE), ":\t.BLKB\t"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\
547 fprintf ((FILE), "%s", COMMON_ASM_OP); \
548 assemble_name ((FILE), (NAME)); \
549 fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
550 (SIZE), (ALIGN) / BITS_PER_UNIT); \
556 #define SKIP_ASM_OP (TARGET_AS100_SYNTAX ? "\t.BLKB\t" : "\t.zero\t")
558 #undef ASM_OUTPUT_LIMITED_STRING
559 #define ASM_OUTPUT_LIMITED_STRING(FILE, STR) \
562 const unsigned char *_limited_str = \
563 (const unsigned char *) (STR); \
566 fprintf ((FILE), TARGET_AS100_SYNTAX \
567 ? "\t.BYTE\t\"" : "\t.string\t\""); \
569 for (; (ch = *_limited_str); _limited_str++) \
573 switch (escape = ESCAPES[ch]) \
579 fprintf ((FILE), "\\%03o", ch); \
582 putc ('\\', (FILE)); \
583 putc (escape, (FILE)); \
588 fprintf ((FILE), TARGET_AS100_SYNTAX ? "\"\n\t.BYTE\t0\n" : "\"\n");\
593 #define IDENT_ASM_OP (TARGET_AS100_SYNTAX \
594 ? "\t.END\t; Built by: ": "\t.ident\t")
596 /* For PIC put jump tables into the text section so that the offsets that
597 they contain are always computed between two same-section symbols. */
598 #define JUMP_TABLES_IN_TEXT_SECTION (flag_pic)
600 /* This is a version of REG_P that also returns TRUE for SUBREGs. */
601 #define RX_REG_P(rtl) (REG_P (rtl) || GET_CODE (rtl) == SUBREG)
603 /* Like REG_P except that this macro is true for SET expressions. */
604 #define SET_P(rtl) (GET_CODE (rtl) == SET)
606 /* The AS100 assembler does not support .leb128 and .uleb128, but
607 the compiler-build-time configure tests will have enabled their
608 use because GAS supports them. So default to generating STABS
609 debug information instead of DWARF2 when generating AS100
610 compatible output. */
611 #undef PREFERRED_DEBUGGING_TYPE
612 #define PREFERRED_DEBUGGING_TYPE (TARGET_AS100_SYNTAX \
613 ? DBX_DEBUG : DWARF2_DEBUG)
615 #define INCOMING_FRAME_SP_OFFSET 4
616 #define ARG_POINTER_CFA_OFFSET(FNDECL) 4
617 #define FRAME_POINTER_CFA_OFFSET(FNDECL) 4
619 #define TARGET_USE_FPU (! TARGET_NO_USE_FPU)
621 /* This macro is used to decide when RX FPU instructions can be used. */
622 #define ALLOW_RX_FPU_INSNS (TARGET_USE_FPU)
624 #define BRANCH_COST(SPEED,PREDICT) 1
625 #define REGISTER_MOVE_COST(MODE,FROM,TO) 2
627 #define SELECT_CC_MODE(OP,X,Y) rx_select_cc_mode(OP, X, Y)
629 #define ADJUST_INSN_LENGTH(INSN,LENGTH) \
632 (LENGTH) = rx_adjust_insn_length ((INSN), (LENGTH)); \
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