1 /* Definitions of target machine for GNU compiler,
2 SysV68 Motorola 3300 Delta Series.
3 Copyright (C) 1987, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
4 Contributed by Abramo and Roberto Bagnara (bagnara@dipisa.di.unipi.it)
5 based on Alex Crain's 3B1 definitions.
6 Maintained by Philippe De Muyter (phdm@info.ucl.ac.be).
7 Support for GAS added by merging mot3300g.h into this file by
8 Manfred Hollstein (manfred@lts.sel.alcatel.de).
10 This file is part of GNU CC.
12 GNU CC is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 2, or (at your option)
17 GNU CC is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with GNU CC; see the file COPYING. If not, write to
24 the Free Software Foundation, 59 Temple Place - Suite 330,
25 Boston, MA 02111-1307, USA. */
28 #define MOTOROLA /* Use Motorola syntax rather than "MIT" */
29 #define MOTOROLA_BSR /* Use Span-dependent optimized bsr */
30 #define SGS /* Uses SGS assembler */
31 #define SGS_CMP_ORDER /* Takes cmp operands in reverse order */
32 #define SGS_SWAP_W /* Use swap.w rather than just plain swap */
35 #define NO_DOLLAR_IN_LABEL
36 #define NO_DOT_IN_LABEL
38 #include "m68k/m68k.h"
40 /* See m68k.h. 0407 means 68020-68040. */
42 #ifndef TARGET_DEFAULT
43 #define TARGET_DEFAULT (MASK_68040|MASK_BITFIELD|MASK_68881|MASK_68020)
46 /* -m[c]6800 requires special flag to the assembler. */
50 #define ASM_SPEC "%{m68000:-p 000}%{mc68000:-p 000}"
53 "%{v:-v} %{m68000:-mc68000}%{mc68000:-mc68000}%{!mc68000:%{!m68000:-mc68020}}"
56 /* NYI: FP= is equivalent to -msoft-float */
58 /* We use /lib/libp/lib* when profiling. */
60 /* NYI: if FP=M68881U library is -lc881u */
61 /* NYI: if FP= library is -lc. */
62 /* Default for us: FP=M68881 library is -lc881 */
64 #define LIB_SPEC "%{!shlib:%{!msoft-float:-lc881}%{msoft-float:-lc}}"
67 #define DEFAULT_A_OUT_NAME "m68ka.out"
73 #define LINK_SPEC "%{v:-v}"
74 #endif /* defined (USE_GLD) */
76 #define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__}\
77 %{!mc68000:%{!m68000: -D__mc68020__}}"
79 /* Shared libraries need to use crt0s.o */
83 #define STARTFILE_SPEC \
84 "%{!shlib:%{pg:mcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}\
85 %{shlib:crt0s.o%s shlib.ifile%s} %{p:-L"TOOLDIR_BASE_PREFIX DEFAULT_TARGET_MACHINE"/lib/libp} %{pg:-L"TOOLDIR_BASE_PREFIX DEFAULT_TARGET_MACHINE"/lib/libp} "
86 #else /* CROSS_COMPILE */
87 #define STARTFILE_SPEC \
88 "%{!shlib:%{pg:mcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}\
89 %{shlib:crt0s.o%s shlib.ifile%s} %{p:-L/usr/lib/libp} %{pg:-L/usr/lib/libp} "
90 #endif /* CROSS_COMPILE */
92 /* Generate calls to memcpy, memcmp and memset. */
94 #define TARGET_MEM_FUNCTIONS
96 /* size_t is unsigned int. */
98 #define SIZE_TYPE "unsigned int"
100 /* Every structure or union's size must be a multiple of 2 bytes. */
102 #define STRUCTURE_SIZE_BOUNDARY 16
104 /* Follow sysV68 cc regarding alignment imposed by char:0; */
106 #define PCC_BITFIELD_TYPE_MATTERS 1
108 /* Allocation boundary (in *bits*) for storing arguments in argument list. */
109 /* Be compatible with native compiler. */
111 #define PARM_BOUNDARY 16
113 /* cpp has to support a #sccs directive for the /usr/include files */
115 #define SCCS_DIRECTIVE
117 /* Make output for SDB. */
119 #define SDB_DEBUGGING_INFO
121 #undef REGISTER_PREFIX
122 #define REGISTER_PREFIX "%"
124 #undef LOCAL_LABEL_PREFIX
126 #define LOCAL_LABEL_PREFIX ".L"
128 #define LOCAL_LABEL_PREFIX "L%"
131 #undef USER_LABEL_PREFIX
133 #undef IMMEDIATE_PREFIX
134 #define IMMEDIATE_PREFIX "&"
136 #undef REGISTER_NAMES
137 #define REGISTER_NAMES \
138 {"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \
139 "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%fp", "%sp", \
140 "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7"}
142 #undef FUNCTION_EXTRA_EPILOGUE
143 #define FUNCTION_EXTRA_EPILOGUE(FILE, SIZE) \
144 { extern int current_function_returns_pointer; \
145 if ((current_function_returns_pointer) && \
146 ! find_equiv_reg (0, get_last_insn (), 0, 0, 0, 8, Pmode)) \
147 asm_fprintf (FILE, "\tmov.l %Ra0,%Rd0\n"); }
149 #undef FUNCTION_PROFILER
150 #define FUNCTION_PROFILER(FILE, LABEL_NO) \
151 asm_fprintf (FILE, "\tmov.l %I%LLP%d,%Ra0\n\tjsr mcount%%\n", (LABEL_NO))
153 /* This is how to output an insn to push a register on the stack.
154 It need not be very fast code. */
156 #undef ASM_OUTPUT_REG_PUSH
157 #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
158 fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[REGNO])
160 /* This is how to output an insn to pop a register from the stack.
161 It need not be very fast code. */
163 #undef ASM_OUTPUT_REG_POP
164 #define ASM_OUTPUT_REG_POP(FILE,REGNO) \
165 fprintf (FILE, "\tmov.l (%%sp)+,%s\n", reg_names[REGNO])
170 #define ASM_APP_ON ""
173 #define ASM_APP_OFF ""
175 #undef TEXT_SECTION_ASM_OP
176 #define TEXT_SECTION_ASM_OP "text"
177 #undef DATA_SECTION_ASM_OP
178 #define DATA_SECTION_ASM_OP "data"
179 #undef ASCII_DATA_ASM_OP
180 #define ASCII_DATA_ASM_OP "byte"
183 #define SET_ASM_OP "set"
188 /* Support the ctors and dtors sections for g++. */
190 #define CTORS_SECTION_ASM_OP ".section\t.ctors,\"x\""
191 #define DTORS_SECTION_ASM_OP ".section\t.dtors,\"x\""
193 /* A list of other sections which the compiler might be "in" at any
196 #undef EXTRA_SECTIONS
197 #define EXTRA_SECTIONS in_ctors, in_dtors
199 /* A list of extra section function definitions. */
201 #undef EXTRA_SECTION_FUNCTIONS
202 #define EXTRA_SECTION_FUNCTIONS \
203 CTORS_SECTION_FUNCTION \
204 DTORS_SECTION_FUNCTION
206 #define CTORS_SECTION_FUNCTION \
210 if (in_section != in_ctors) \
212 fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \
213 in_section = in_ctors; \
217 #define DTORS_SECTION_FUNCTION \
221 if (in_section != in_dtors) \
223 fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \
224 in_section = in_dtors; \
228 /* A C statement (sans semicolon) to output an element in the table of
229 global constructors. */
230 #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
233 fprintf (FILE, "\t%s\t ", ASM_LONG); \
234 assemble_name (FILE, NAME); \
235 fprintf (FILE, "\n"); \
238 /* A C statement (sans semicolon) to output an element in the table of
239 global destructors. */
240 #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
243 fprintf (FILE, "\t%s\t ", ASM_LONG); \
244 assemble_name (FILE, NAME); \
245 fprintf (FILE, "\n"); \
247 #endif /* defined (USE_GLD) */
249 /* The file command should always begin the output. */
251 #undef ASM_FILE_START
253 #define ASM_FILE_START(FILE) \
254 output_file_directive ((FILE), main_input_filename)
256 #define ASM_FILE_START(FILE) \
258 fprintf (FILE, "%s", ASM_APP_OFF); \
259 output_file_directive ((FILE), main_input_filename); \
263 /* The sysV68 assembler does not accept dots in labels.
264 Let's use percent instead */
266 #define ASM_IDENTIFY_GCC(FILE) fputs("gcc2_compiled%:\n", FILE)
268 /* Names to predefine in the preprocessor for this target machine. */
269 /* ihnp4!lmayk!lgm@eddie.mit.edu says mc68000 and m68k should not be here,
270 on the other hand I don't care what he says. */
272 #undef CPP_PREDEFINES
273 #define CPP_PREDEFINES "-Dm68k -Dunix -DsysV68 -D__motorola__ -Asystem(unix) -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)"
275 #undef TARGET_VERSION
277 #define TARGET_VERSION fprintf (stderr, " (68k, SGS/AT&T sysV68 syntax)");
280 /* This will return small structs in d0. */
281 #define RETURN_IN_MEMORY(type) \
282 ((TYPE_MODE (type) == BLKmode) \
283 || (AGGREGATE_TYPE_P (type) \
284 && GET_MODE_SIZE (TYPE_MODE (type)) > UNITS_PER_WORD))
286 /* Don't default to pcc-struct-return, because we have already specified
287 exactly how to return structures in the RETURN_IN_MEMORY macro. */
288 #define DEFAULT_PCC_STRUCT_RETURN 0
290 /* If TARGET_68881, return SF and DF values in fp0 instead of d0. */
291 /* NYI: If FP=M68881U return SF and DF values in d0. */
292 /* NYI: If -mold return pointer in a0 and d0 */
294 #undef FUNCTION_VALUE
295 /* sysV68 (brain damaged) cc convention support. */
296 #define FUNCTION_VALUE(VALTYPE,FUNC) \
297 (TREE_CODE (VALTYPE) == REAL_TYPE && TARGET_68881 \
298 ? gen_rtx (REG, TYPE_MODE (VALTYPE), 16) \
299 : (POINTER_TYPE_P (VALTYPE) \
300 ? gen_rtx (REG, TYPE_MODE (VALTYPE), 8) \
301 : gen_rtx (REG, TYPE_MODE (VALTYPE), 0)))
303 /* If TARGET_68881, SF and DF values are returned in fp0 instead of d0. */
305 /* Is LIBCALL_VALUE never called with a pointer ? */
307 #define LIBCALL_VALUE(MODE) \
308 gen_rtx (REG, (MODE), \
310 && ((MODE) == SFmode || (MODE) == DFmode || (MODE) == XFmode)) \
313 /* 1 if N is a possible register number for a function value.
314 d0 may be used, and fp0 as well if -msoft-float is not specified. */
316 #undef FUNCTION_VALUE_REGNO_P
317 /* sysV68 (brain damaged) cc convention support. */
318 #define FUNCTION_VALUE_REGNO_P(N) \
319 ((N) == 0 || (N) == 8 || (TARGET_68881 && (N) == 16))
321 /* Define this to be true when FUNCTION_VALUE_REGNO_P is true for
322 more than one register. */
324 #undef NEEDS_UNTYPED_CALL
325 #define NEEDS_UNTYPED_CALL 1
328 /* This is the command to make the user-level label named NAME
329 defined for reference from other files. */
332 #define GLOBAL_ASM_OP "global"
335 /* Store in OUTPUT a string (made with alloca) containing
336 an assembler-name for a local static variable named NAME.
337 LABELNO is an integer which is different for each call. */
339 #undef ASM_FORMAT_PRIVATE_NAME
340 #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
341 ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 12), \
342 sprintf ((OUTPUT), "%s_%%%d", (NAME), (LABELNO)))
346 #define ASM_LONG ".long"
348 #define ASM_SHORT ".short"
350 #define ASM_CHAR ".byte"
352 #define ASM_BYTE ".byte"
354 #define ASM_BYTE_OP ".byte"
357 #define ASM_LONG "long"
359 #define ASM_SHORT "short"
361 #define ASM_CHAR "byte"
363 #define ASM_BYTE "byte"
365 #define ASM_BYTE_OP "byte"
368 /* The sysV68 as doesn't know about double's and float's. */
369 /* This is how to output an assembler line defining a `double' constant. */
371 #undef ASM_OUTPUT_DOUBLE
372 #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
374 REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \
375 fprintf (FILE, "\t%s 0x%x,0x%x\n", ASM_LONG, l[0], l[1]); \
378 #undef ASM_OUTPUT_LONG_DOUBLE
379 #define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \
381 REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l); \
382 fprintf (FILE, "\t%s 0x%x,0x%x,0x%x\n", ASM_LONG, l[0], l[1], l[2]); \
385 /* This is how to output an assembler line defining a `float' constant. */
387 #undef ASM_OUTPUT_FLOAT
388 #define ASM_OUTPUT_FLOAT(FILE,VALUE) \
390 REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \
391 fprintf ((FILE), "\t%s 0x%x\n", ASM_LONG, l); \
394 /* This is how to output an assembler line defining an `int' constant. */
396 #undef ASM_OUTPUT_INT
397 #define ASM_OUTPUT_INT(FILE,VALUE) \
398 ( fprintf (FILE, "\t%s ", ASM_LONG), \
399 output_addr_const (FILE, (VALUE)), \
400 fprintf (FILE, "\n"))
402 /* Likewise for `char' and `short' constants. */
404 #undef ASM_OUTPUT_SHORT
405 #define ASM_OUTPUT_SHORT(FILE,VALUE) \
406 ( fprintf (FILE, "\t%s ", ASM_SHORT), \
407 output_addr_const (FILE, (VALUE)), \
408 fprintf (FILE, "\n"))
410 #undef ASM_OUTPUT_CHAR
411 #define ASM_OUTPUT_CHAR(FILE,VALUE) \
412 ( fprintf (FILE, "\t%s ", ASM_CHAR), \
413 output_addr_const (FILE, (VALUE)), \
414 fprintf (FILE, "\n"))
416 /* This is how to output an assembler line for a numeric constant byte. */
418 #undef ASM_OUTPUT_BYTE
419 #define ASM_OUTPUT_BYTE(FILE,VALUE) \
420 fprintf (FILE, "\t%s 0x%x\n", ASM_BYTE, (VALUE))
422 /* This is how to output an assembler line
423 that says to advance the location counter
424 to a multiple of 2**LOG bytes. */
427 #define ALIGN_ASM_OP "even"
429 #define ALIGN_ASM_OP ".even"
432 #undef ASM_OUTPUT_ALIGN
433 #define ASM_OUTPUT_ALIGN(FILE,LOG) \
435 fprintf (FILE, "\t%s\n", ALIGN_ASM_OP);
438 #define SKIP_ASM_OP "space"
440 #define SKIP_ASM_OP ".skip"
443 #undef ASM_OUTPUT_SKIP
444 #define ASM_OUTPUT_SKIP(FILE,SIZE) \
445 fprintf (FILE, "\t%s %u\n", SKIP_ASM_OP, (SIZE))
447 /* Can't use ASM_OUTPUT_SKIP in text section. */
449 #define ASM_NO_SKIP_IN_TEXT 1
451 /* The beginnings of sdb support... */
453 /* Undefining these will allow `output_file_directive' (in toplev.c)
454 to default to the right thing. */
455 #undef ASM_OUTPUT_MAIN_SOURCE_FILENAME
457 #define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \
458 do { fprintf (FILE, "\tfile\t"); \
459 output_quoted_string (FILE, FILENAME); \
460 fprintf (FILE, "\n"); \
463 #undef ASM_OUTPUT_SOURCE_LINE
464 #define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO) \
465 fprintf (FILE, "\tln\t%d\n", \
466 (sdb_begin_function_line \
467 ? last_linenum - sdb_begin_function_line : 1))
469 /* Yet another null terminated string format. */
471 #undef ASM_OUTPUT_ASCII
472 #define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
473 do { register int sp = 0, lp = 0; \
474 fprintf ((FILE), "\t%s\t", ASM_BYTE_OP); \
476 if ((PTR)[sp] > ' ' && ! ((PTR)[sp] & 0x80) && (PTR)[sp] != '\\') \
478 fprintf ((FILE), "'%c", (PTR)[sp]); } \
481 fprintf ((FILE), "0x%x", (PTR)[sp]); } \
485 fprintf ((FILE), "\n\t%s ", ASCII_DATA_ASM_OP); } \
487 putc (',', (FILE)); \
489 putc ('\n', (FILE)); } while (0)
493 /* Output a float value (represented as a C double) as an immediate operand.
494 This macro is a 68k-specific macro. */
496 #undef ASM_OUTPUT_FLOAT_OPERAND
497 #define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE) \
499 REAL_VALUE_TO_TARGET_SINGLE (r, l); \
500 /* Use hex representation even if CODE is f. as needs it. */ \
501 fprintf ((FILE), "&0x%lx", l); \
504 /* Output a double value (represented as a C double) as an immediate operand.
505 This macro is a 68k-specific macro. */
506 #undef ASM_OUTPUT_DOUBLE_OPERAND
507 #define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE) \
509 REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \
510 fprintf ((FILE), "&0x%lx%08lx", l[0], l[1]); \
514 /* This is how to store into the string LABEL
515 the symbol_ref name of an internal numbered label where
516 PREFIX is the class of label and NUM is the number within the class.
517 This is suitable for output with `assemble_name'. */
519 #undef ASM_GENERATE_INTERNAL_LABEL
520 #define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
521 sprintf ((LABEL), "%s%s%d", LOCAL_LABEL_PREFIX, (PREFIX), (NUM))
523 /* This is how to output an internal numbered label where
524 PREFIX is the class of label and NUM is the number within the class. */
526 #undef ASM_OUTPUT_INTERNAL_LABEL
527 #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
528 asm_fprintf (FILE, "%L%s%d:\n", PREFIX, NUM)
530 /* The prefix to add to user-visible assembler symbols. */
532 #undef USER_LABEL_PREFIX
533 #define USER_LABEL_PREFIX ""
535 /* This is how to output an element of a case-vector that is absolute.
536 (The 68000 does not use such vectors,
537 but we must define this macro anyway.) */
538 /* The L after the local prefix is the "L" prefix for the normal labels
539 generated by gcc; why are ASM_OUTPUT_ADDR_VEC_ELT and
540 ASM_OUTPUT_ADDR_DIFF_ELT not called with a PREFIX parameter, like
541 ASM_OUTPUT_INTERNAL_LABEL ? */
543 #undef ASM_OUTPUT_ADDR_VEC_ELT
544 #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
545 asm_fprintf (FILE, "\t%s %LL%d\n", ASM_LONG, (VALUE))
547 /* This is how to output an element of a case-vector that is relative. */
549 #undef ASM_OUTPUT_ADDR_DIFF_ELT
550 #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
551 asm_fprintf (FILE, "\t%s %LL%d-%LL%d\n", ASM_SHORT, (VALUE), (REL))
555 #define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \
556 asm_fprintf (FILE, "\tswbeg &%d\n%L%s%d:\n", \
557 XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM))
559 /* sysV68 as cannot handle LD%n(%pc,%reg) */
562 /* labelno is not used here */
563 #define ASM_OUTPUT_CASE_FETCH(file, labelno, regname)\
564 asm_fprintf (file, "12(%Rpc,%s.", regname)
566 #define ASM_RETURN_CASE_JUMP \
569 return "ext%.l %0\n\tjmp 8(%%pc,%0.l)"; \
571 return "jmp 8(%%pc,%0.w)"; \
576 /* labelno is not used here */
577 #define ASM_OUTPUT_CASE_FETCH(file, labelno, regname)\
578 asm_fprintf (file, "%Rpc@(6,%s:", regname)
580 #define ASM_RETURN_CASE_JUMP return "jmp %%pc@(2,%0:w)"
586 /* Translate some opcodes to fit the sysV68 assembler syntax. */
587 /* The opcodes fdmov and fsmov are guesses. */
589 /* cliffm@netcom.com says no need for .w suffix on jumps. */
590 #undef ASM_OUTPUT_OPCODE
591 #define ASM_OUTPUT_OPCODE(FILE, PTR) \
592 { if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \
594 while (*(PTR) != ' ') \
595 { putc (*(PTR), (FILE)); ++(PTR); } \
597 else if ((PTR)[0] == 's') \
599 if (!strncmp ((PTR), "swap", 4)) \
600 { fprintf ((FILE), "swap.w"); (PTR) += 4; } \
602 else if ((PTR)[0] == 'f') \
604 if (!strncmp ((PTR), "fmove", 5)) \
605 { fprintf ((FILE), "fmov"); (PTR) += 5; } \
606 else if (!strncmp ((PTR), "f%$move", 7)) \
607 { if (TARGET_68040_ONLY) \
608 { fprintf ((FILE), "fsmov"); (PTR) += 7; } \
610 { fprintf ((FILE), "fmov"); (PTR) += 7; } } \
611 else if (!strncmp ((PTR), "f%&move", 7)) \
612 { if (TARGET_68040_ONLY) \
613 { fprintf ((FILE), "fdmov"); (PTR) += 7; } \
615 { fprintf ((FILE), "fmov"); (PTR) += 7; } } \
616 else if (!strncmp ((PTR), "ftst", 4)) \
617 { fprintf ((FILE), "ftest"); (PTR) += 4; } \
618 else if (!strncmp ((PTR), "fbne", 4)) \
619 { fprintf ((FILE), "fbneq"); (PTR) += 4; } \
620 else if (!strncmp ((PTR), "fsne", 4)) \
621 { fprintf ((FILE), "fsneq"); (PTR) += 4; } \
623 /* MOVE, MOVEA, MOVEQ, MOVEC ==> MOV */ \
624 else if ((PTR)[0] == 'm' && (PTR)[1] == 'o' \
625 && (PTR)[2] == 'v' && (PTR)[3] == 'e') \
626 { fprintf ((FILE), "mov"); (PTR) += 4; \
627 if ((PTR)[0] == 'q' || (PTR)[0] == 'a' \
628 || (PTR)[0] == 'c') (PTR)++; } \
629 /* SUB, SUBQ, SUBA, SUBI ==> SUB */ \
630 else if ((PTR)[0] == 's' && (PTR)[1] == 'u' \
631 && (PTR)[2] == 'b') \
632 { fprintf ((FILE), "sub"); (PTR) += 3; \
633 if ((PTR)[0] == 'q' || (PTR)[0] == 'i' \
634 || (PTR)[0] == 'a') (PTR)++; } \
635 /* CMP, CMPA, CMPI, CMPM ==> CMP */ \
636 else if ((PTR)[0] == 'c' && (PTR)[1] == 'm' \
637 && (PTR)[2] == 'p') \
638 { fprintf ((FILE), "cmp"); (PTR) += 3; \
639 if ((PTR)[0] == 'a' || (PTR)[0] == 'i' \
640 || (PTR)[0] == 'm') (PTR)++; } \
644 /* phdm@info.ucl.ac.be says to pass SIZE, not ROUNDED. */
646 /* This says how to output an assembler line
647 to define a global common symbol. */
649 #undef ASM_OUTPUT_COMMON
651 #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
652 ( fputs ("\tcomm ", (FILE)), \
653 assemble_name ((FILE), (NAME)), \
654 fprintf ((FILE), ",%u\n", (SIZE)))
656 #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
657 ( fputs ("\t.comm ", (FILE)), \
658 assemble_name ((FILE), (NAME)), \
659 fprintf ((FILE), ",%u\n", (SIZE)))
662 /* This says how to output an assembler line
663 to define a local common symbol. */
665 #undef ASM_OUTPUT_LOCAL
667 #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
668 ( fputs ("\tlcomm ", (FILE)), \
669 assemble_name ((FILE), (NAME)), \
670 fprintf ((FILE), ",%u\n", (SIZE)))
672 #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
673 ( fputs ("\t.lcomm ", (FILE)), \
674 assemble_name ((FILE), (NAME)), \
675 fprintf ((FILE), ",%u\n", (SIZE)))
679 /* Override usual definitions of SDB output macros.
680 These definitions differ only in the absence of the period
681 at the beginning of the name of the directive
682 and in the use of `~' as the symbol for the current location. */
684 #define PUT_SDB_SCL(a) fprintf(asm_out_file, "\tscl\t%d;", (a))
685 #define PUT_SDB_INT_VAL(a) fprintf (asm_out_file, "\tval\t%d;", (a))
686 #define PUT_SDB_VAL(a) \
687 ( fputs ("\tval\t", asm_out_file), \
688 output_addr_const (asm_out_file, (a)), \
689 fputc (';', asm_out_file))
691 #define PUT_SDB_DEF(a) \
692 do { fprintf (asm_out_file, "\tdef\t"); \
693 ASM_OUTPUT_LABELREF (asm_out_file, a); \
694 fprintf (asm_out_file, ";"); } while (0)
696 #define PUT_SDB_PLAIN_DEF(a) fprintf(asm_out_file,"\tdef\t~%s;",a)
697 #define PUT_SDB_ENDEF fputs("\tendef\n", asm_out_file)
698 #define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\ttype\t0%o;", a)
699 #define PUT_SDB_SIZE(a) fprintf(asm_out_file, "\tsize\t%d;", a)
700 #define PUT_SDB_START_DIM fprintf(asm_out_file, "\tdim\t")
701 #define PUT_SDB_NEXT_DIM(a) fprintf(asm_out_file, "%d,", a)
702 #define PUT_SDB_LAST_DIM(a) fprintf(asm_out_file, "%d;", a)
704 #define PUT_SDB_TAG(a) \
705 do { fprintf (asm_out_file, "\ttag\t"); \
706 ASM_OUTPUT_LABELREF (asm_out_file, a); \
707 fprintf (asm_out_file, ";"); } while (0)
709 #define PUT_SDB_BLOCK_START(LINE) \
710 fprintf (asm_out_file, \
711 "\tdef\t~bb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
714 #define PUT_SDB_BLOCK_END(LINE) \
715 fprintf (asm_out_file, \
716 "\tdef\t~eb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
719 #define PUT_SDB_FUNCTION_START(LINE) \
720 fprintf (asm_out_file, \
721 "\tdef\t~bf;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
724 #define PUT_SDB_FUNCTION_END(LINE) \
725 fprintf (asm_out_file, \
726 "\tdef\t~ef;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
729 #define PUT_SDB_EPILOGUE_END(NAME) \
730 fprintf (asm_out_file, \
731 "\tdef\t%s;\tval\t~;\tscl\t-1;\tendef\n", \
734 #define SDB_GENERATE_FAKE(BUFFER, NUMBER) \
735 sprintf ((BUFFER), "~%dfake", (NUMBER));
739 /* Define subroutines to call to handle multiply, divide, and remainder.
740 Use the subroutines that the sysV68's library provides.
741 The `*' prevents an underscore from being prepended by the compiler. */
742 /* The '*' is also used by INIT_CUMULATIVE_ARGS */
744 #define DIVSI3_LIBCALL "*ldiv%%"
745 #define UDIVSI3_LIBCALL "*uldiv%%"
746 #define MODSI3_LIBCALL "*lrem%%"
747 #define UMODSI3_LIBCALL "*ulrem%%"
748 #define MULSI3_LIBCALL "*lmul%%"
750 struct sysV68_cumulative_args
756 #undef CUMULATIVE_ARGS
757 #define CUMULATIVE_ARGS struct sysV68_cumulative_args
759 #undef INIT_CUMULATIVE_ARGS
760 #define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,INDIRECT) \
761 do {(CUM).offset = 0;\
762 (CUM).libcall = (LIBNAME) && (*XSTR((LIBNAME), 0) == '*');} while(0)
764 #undef FUNCTION_ARG_ADVANCE
765 #define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \
766 ((CUM).offset += ((MODE) != BLKmode \
767 ? (GET_MODE_SIZE (MODE) + 3) & ~3 \
768 : (int_size_in_bytes (TYPE) + 3) & ~3))
771 #define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
772 (((CUM).libcall && (CUM).offset == 0) ? gen_rtx(REG, (MODE), 0)\
773 : (TARGET_REGPARM && (CUM).offset < 8) ? gen_rtx (REG, (MODE), (CUM).offset / 4) : 0)
775 #undef FUNCTION_ARG_PARTIAL_NREGS
776 #define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \
777 ((TARGET_REGPARM && (CUM).offset < 8 \
778 && 8 < ((CUM).offset + ((MODE) == BLKmode \
779 ? int_size_in_bytes (TYPE) \
780 : GET_MODE_SIZE (MODE)))) \
781 ? 2 - (CUM).offset / 4 : 0)
783 #undef FUNCTION_ARG_REGNO_P
784 #define FUNCTION_ARG_REGNO_P(N) (TARGET_68020 ? 0 : (N) == 0)
786 /* manfred@lts.sel.alcatel.de: I believe that most delta machines are configured to have
787 a 6888[12] FPU for which we need to link -lm881 instead of -lm; define ALT_LIBM to
788 tell g++.c about that. */
789 #define ALT_LIBM "-lm881"
791 #if (TARGET_DEFAULT & MASK_68881) /* The default configuration has a 6888[12] FPU. */
792 #define MATH_LIBRARY "-lm881"
795 /* Currently we do not have the atexit() function,
796 so take that from libgcc2.c */
798 #define NEED_ATEXIT 1
799 #define HAVE_ATEXIT 1
808 /* FINALIZE_TRAMPOLINE clears the instruction cache. */
810 #undef FINALIZE_TRAMPOLINE
811 #define FINALIZE_TRAMPOLINE(TRAMP) \
815 emit_library_call (gen_rtx (SYMBOL_REF, Pmode, "__clear_insn_cache"), \