![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to dpx2.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [GCC 2.x] / gcc / config / m68k|
Return to dpx2.h CVS log | Up to [GCC 2.x] / gcc / config / m68k |
1.1.1.3 root 1: /* Definitions of target machine for GNU compiler.
2: Bull DPX/2 200 and 300 systems (m68k, SysVr3).
1.1.1.4 ! root 3: Copyright (C) 1987, 1993, 1994, 1995 Free Software Foundation, Inc.
1.1.1.3 root 4: Contributed by Frederic Pierresteguy ([email protected]).
5:
6: This file is part of GNU CC.
7:
8: GNU CC is free software; you can redistribute it and/or modify
9: it under the terms of the GNU General Public License as published by
10: the Free Software Foundation; either version 2, or (at your option)
11: any later version.
12:
13: GNU CC is distributed in the hope that it will be useful,
14: but WITHOUT ANY WARRANTY; without even the implied warranty of
15: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: GNU General Public License for more details.
17:
18: You should have received a copy of the GNU General Public License
19: along with GNU CC; see the file COPYING. If not, write to
1.1.1.4 ! root 20: the Free Software Foundation, 59 Temple Place - Suite 330,
! 21: Boston, MA 02111-1307, USA. */
1.1.1.2 root 22:
1.1 root 23:
1.1.1.2 root 24: #ifndef USE_GAS
25: #define MOTOROLA /* Use Motorola syntax rather than "MIT" */
26: #define SGS_NO_LI /* Suppress jump table label usage */
27: #define VERSADOS /* This is the name of the assembler we have */
28: #endif
29:
1.1 root 30: #include "m68k/m68k.h"
31: #undef SELECT_RTX_SECTION
32: #include "svr3.h"
33:
1.1.1.2 root 34: /* See m68k.h. 7 means 68020 with 68881.
1.1 root 35: * We really have 68030 and 68882,
36: * but this will get us going.
37: */
38: #ifndef TARGET_DEFAULT
39: #define TARGET_DEFAULT 7
40: #endif
41:
42: #define OBJECT_FORMAT_COFF
43: #define NO_SYS_SIGLIST
44:
45: #ifdef CPP_PREDEFINES
46: #undef CPP_PREDEFINES
47: #endif
48: /*
49: * define all the things the compiler should
50: */
51: #ifdef ncl_mr
1.1.1.2 root 52: # define CPP_PREDEFINES "-Dunix -Dbull -DDPX2 -DSVR3 -Dmc68000 -Dmc68020 -Dncl_mr=1 -D_BULL_SOURCE -D_POSIX_SOURCE -D_XOPEN_SOURCE -Asystem(unix) -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)"
1.1 root 53: #else
54: # ifdef ncl_el
1.1.1.3 root 55: # define CPP_PREDEFINES "-Dunix -Dbull -DDPX2 -DSVR3 -Dmc68000 -Dmc68020 -Dncl_el -D_BULL_SOURCE -D_POSIX_SOURCE -D_XOPEN_SOURCE -Asystem(unix) -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)"
1.1 root 56: # else
1.1.1.2 root 57: # define CPP_PREDEFINES "-Dunix -Dbull -DDPX2 -DSVR3 -Dmc68000 -Dmc68020 -D_BULL_SOURCE -D_POSIX_SOURCE -D_XOPEN_SOURCE -Asystem(unix) -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)"
1.1 root 58: # endif
59: #endif
60:
61: #undef CPP_SPEC
62: /*
63: * you can't get a DPX/2 without a 68882 but allow it
64: * to be ignored...
65: */
66: # define __HAVE_68881__ 1
1.1.1.2 root 67: # define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__ }"
1.1 root 68:
69: #define HAVE_ATEXIT
70: #undef DO_GLOBAL_CTORS_BODY /* don't use svr3.h version */
71: #undef DO_GLOBAL_DTORS_BODY
72:
73: #ifndef USE_GAS
74: /*
1.1.1.2 root 75: * handle the native MOTOROLA VERSAdos assembler.
76: */
77:
1.1.1.4 ! root 78: /* See m68k.h. 3 means 68020 with 68881 and no bitfield
1.1.1.2 root 79: * bitfield instructions do not seem to work a clean way.
1.1 root 80: */
1.1.1.2 root 81: #undef TARGET_DEFAULT
82: #define TARGET_DEFAULT 3
83:
1.1.1.3 root 84: /* The native assembler doesn't support fmovecr. */
85: #define NO_ASM_FMOVECR
86:
1.1.1.2 root 87: #undef EXTRA_SECTIONS
88: #undef EXTRA_SECTION_FUNCTIONS
89: #undef READONLY_DATA_SECTION
90: #define READONLY_DATA_SECTION data_section
91: #undef SELECT_SECTION
92: #undef SELECT_RTX_SECTION
93: #define fini_section() while (0)
94:
95: #undef CTORS_SECTION_ASM_OP
96: #define CTORS_SECTION_ASM_OP "\tsection 15"
97: #undef DTORS_SECTION_ASM_OP
98: #define DTORS_SECTION_ASM_OP "\tsection 15"
99: #undef INIT_SECTION_ASM_OP
100: #define BSS_SECTION_ASM_OP "\tsection 14"
101: #undef TEXT_SECTION_ASM_OP
102: #define TEXT_SECTION_ASM_OP "\tsection 10"
103: #undef DATA_SECTION_ASM_OP
104: #define DATA_SECTION_ASM_OP "\tsection 15"
105:
106:
107: /* Don't try using XFmode. */
108: #undef LONG_DOUBLE_TYPE_SIZE
109: #define LONG_DOUBLE_TYPE_SIZE 64
110:
111: /* Define if you don't want extended real, but do want to use the
112: software floating point emulator for REAL_ARITHMETIC and
113: decimal <-> binary conversion. */
114: #define REAL_ARITHMETIC
115:
1.1 root 116: #undef ASM_OUTPUT_SOURCE_FILENAME
117: #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NA) \
118: do { fprintf ((FILE), "\t.file\t'%s'\n", (NA)); } while (0)
119:
1.1.1.2 root 120: /* Assembler pseudos to introduce constants of various size. */
121:
122: #undef ASM_BYTE_OP
123: #define ASM_BYTE_OP "\tdc.b"
124: #undef ASM_LONG
125: #define ASM_LONG "\tdc.l"
126:
1.1 root 127: /*
128: * we don't seem to support any of:
129: * .globl
130: * .even
131: * .align
132: * .ascii
133: */
1.1.1.2 root 134: #undef ASM_OUTPUT_SKIP
135: #define ASM_OUTPUT_SKIP(FILE,SIZE) \
136: fprintf (FILE, "\tdcb.b %u,0\n", (SIZE))
137:
138: #undef GLOBAL_ASM_OP
139: #define GLOBAL_ASM_OP "\txdef"
140:
1.1 root 141: #undef ASM_OUTPUT_ALIGN
1.1.1.2 root 142: #define ASM_OUTPUT_ALIGN(FILE,LOG) \
143: if ((LOG) >= 1) \
144: fprintf (FILE, "\tds.w 0\n");
145:
146:
1.1 root 147: #define STRING_LIMIT (0)
148: #undef ASM_APP_ON
149: #define ASM_APP_ON ""
150: #undef ASM_APP_OFF
151: #define ASM_APP_OFF ""
152: /*
153: * dc.b 'hello, world!'
154: * dc.b 10,0
155: * is how we have to output "hello, world!\n"
156: */
157: #undef ASM_OUTPUT_ASCII
1.1.1.2 root 158: #define ASM_OUTPUT_ASCII(asm_out_file, p, thissize) \
159: do { register int i, c, f=0, len=0; \
160: for (i = 0; i < thissize; i++) { \
161: c = p[i]; \
162: if (c == '\'' || c < ' ' || c > 127) { \
163: switch(f) { \
164: case 0: /* need to output dc.b etc */ \
165: fprintf(asm_out_file, "\tdc.b %d", c); \
166: f=1; \
167: break; \
168: case 1: \
169: fprintf(asm_out_file, ",%d", c); \
170: break; \
171: default: \
172: /* close a string */ \
173: fprintf(asm_out_file, "'\n\tdc.b %d", c); \
174: f=1; \
175: break; \
176: } \
177: } else { \
178: switch(f) { \
179: case 0: \
180: fprintf(asm_out_file, "\tdc.b '%c", c); \
181: f=2; \
182: break; \
183: case 2: \
184: if (len >= 79) { \
185: fprintf(asm_out_file, "'\n\tdc.b '%c", c); \
186: len = 0; } \
187: else \
188: fprintf(asm_out_file, "%c", c); \
189: break; \
190: default: \
191: len = 0; \
192: fprintf(asm_out_file, "\n\tdc.b '%c", c); \
193: f=2; \
194: break; \
195: } \
196: } \
197: len++; \
198: } \
199: if (f==2) \
200: putc('\'', asm_out_file); \
1.1 root 201: putc('\n', asm_out_file); } while (0)
202:
203: /* This is how to output an insn to push a register on the stack.
204: It need not be very fast code. */
205:
206: #undef ASM_OUTPUT_REG_PUSH
207: #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
208: fprintf (FILE, "\tmove.l %s,-(sp)\n", reg_names[REGNO])
209:
210: /* This is how to output an insn to pop a register from the stack.
211: It need not be very fast code. */
212:
213: #undef ASM_OUTPUT_REG_POP
214: #define ASM_OUTPUT_REG_POP(FILE,REGNO) \
215: fprintf (FILE, "\tmove.l (sp)+,%s\n", reg_names[REGNO])
1.1.1.2 root 216:
217:
218: #define PUT_SDB_FUNCTION_START(LINE) \
219: fprintf (asm_out_file, \
220: "\t.def\t.bf%s\t.val\t*%s\t.scl\t101%s\t.line\t%d%s\t.endef\n", \
221: SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM)
222:
223: #define PUT_SDB_FUNCTION_END(LINE) \
224: fprintf (asm_out_file, \
225: "\t.def\t.ef%s\t.val\t*%s\t.scl\t101%s\t.line\t%d%s\t.endef\n", \
226: SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM)
227:
228: #define PUT_SDB_BLOCK_START(LINE) \
229: fprintf (asm_out_file, \
230: "\t.def\t.bb%s\t.val\t*%s\t.scl\t100%s\t.line\t%d%s\t.endef\n", \
231: SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM)
232:
233: #define PUT_SDB_BLOCK_END(LINE) \
234: fprintf (asm_out_file, \
235: "\t.def\t.eb%s\t.val\t*%s\t.scl\t100%s\t.line\t%d%s\t.endef\n", \
236: SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM)
237:
238: #define PUT_SDB_EPILOGUE_END(NAME)
239:
240: /* Output type in decimal not in octal as done in sdbout.c */
241: #define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\t.type\t0%d%s", a, SDB_DELIM)
242:
243: #undef FUNCTION_PROLOGUE
244: #define FUNCTION_PROLOGUE(FILE, SIZE) \
245: { \
246: register int regno; \
247: register int mask = 0; \
248: int num_saved_regs = 0, first = 1; \
249: extern char call_used_regs[]; \
250: int fsize = ((SIZE) + 3) & -4; \
251: \
252: \
253: if (frame_pointer_needed) \
254: { \
255: /* Adding negative number is faster on the 68040. */ \
256: if (fsize < 0x8000 && !TARGET_68040) \
257: { \
258: fprintf (FILE, "\tlink %s,#%d\n", \
259: reg_names[FRAME_POINTER_REGNUM], -fsize); \
260: } \
261: else if (TARGET_68020) \
262: { \
263: fprintf (FILE, "\tlink %s,#%d\n", \
264: reg_names[FRAME_POINTER_REGNUM], -fsize); \
265: } \
266: else \
267: { \
268: fprintf (FILE, "\tlink %s,#0\n\tadd.l #%d,sp\n", \
269: reg_names[FRAME_POINTER_REGNUM], -fsize); \
270: } \
271: } \
272: else if (fsize) \
273: { \
274: /* Adding negative number is faster on the 68040. */ \
275: if (fsize + 4 < 0x8000) \
276: { \
277: fprintf (FILE, "\tadd.w #%d,sp\n", - (fsize + 4)); \
278: } \
279: else \
280: { \
281: fprintf (FILE, "\tadd.l #%d,sp\n", - (fsize + 4)); \
282: } \
283: } \
284: for (regno = 23; regno >= 16; regno--) \
285: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
286: if (first) { \
287: fprintf (FILE, "\tfmovem.x %s", reg_names[regno]); \
288: first = 0; \
289: } \
290: else fprintf (FILE, "/%s", reg_names[regno]); \
291: if (!first) fprintf (FILE, ",-(sp)\n"); \
292: \
293: mask = 0; \
294: for (regno = 0; regno < 16; regno++) \
295: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
296: { \
297: mask |= 1 << (15 - regno); \
298: num_saved_regs++; \
299: } \
300: if (frame_pointer_needed) \
301: { \
302: mask &= ~ (1 << (15 - FRAME_POINTER_REGNUM)); \
303: num_saved_regs--; \
304: } \
305: \
306: \
307: if (num_saved_regs <= 2) \
308: { \
309: /* Store each separately in the same order moveml uses. \
310: Using two movel instructions instead of a single moveml \
311: is about 15% faster for the 68020 and 68030 at no expense \
312: in code size */ \
313: \
314: int i; \
315: \
316: /* Undo the work from above. */ \
317: for (i = 0; i< 16; i++) \
318: if (mask & (1 << i)) \
319: fprintf (FILE, "\tmove.l %s,-(sp)\n", reg_names[15 - i]); \
320: } \
321: else if (mask) \
322: { \
323: first = 1; \
324: for (regno = 0; regno < 16; regno++) \
325: if (mask & (1 << regno)) \
326: if (first) { \
327: fprintf (FILE, "\tmovem.l %s", reg_names[15 - regno]); \
328: first = 0; \
329: } \
330: else fprintf (FILE, "/%s", reg_names[15 - regno]); \
331: fprintf (FILE, ",-(sp)\n"); \
332: } \
333: if (flag_pic && current_function_uses_pic_offset_table) \
334: { \
335: fprintf (FILE, "\tmove.l #__GLOBAL_OFFSET_TABLE_, %s\n", \
336: reg_names[PIC_OFFSET_TABLE_REGNUM]); \
337: fprintf (FILE, "\tlea.l (pc,%s.l),%s\n", \
338: reg_names[PIC_OFFSET_TABLE_REGNUM], \
339: reg_names[PIC_OFFSET_TABLE_REGNUM]); \
340: } \
341: }
342:
343:
344: #undef FUNCTION_EPILOGUE
345: #define FUNCTION_EPILOGUE(FILE, SIZE) \
346: { \
347: register int regno; \
348: register int mask, fmask; \
349: register int nregs; \
350: int offset, foffset, fpoffset, first = 1; \
351: extern char call_used_regs[]; \
352: int fsize = ((SIZE) + 3) & -4; \
353: int big = 0; \
354: rtx insn = get_last_insn (); \
355: \
356: /* If the last insn was a BARRIER, we don't have to write any code. */ \
357: if (GET_CODE (insn) == NOTE) \
358: insn = prev_nonnote_insn (insn); \
359: if (insn && GET_CODE (insn) == BARRIER) \
360: { \
361: /* Output just a no-op so that debuggers don't get confused \
362: about which function the pc is in at this address. */ \
363: fprintf (FILE, "\tnop\n"); \
364: return; \
365: } \
366: \
367: nregs = 0; fmask = 0; fpoffset = 0; \
368: for (regno = 16; regno < 24; regno++) \
369: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
370: { \
371: nregs++; \
372: fmask |= 1 << (23 - regno); \
373: } \
374: foffset = fpoffset + nregs * 12; \
375: nregs = 0; mask = 0; \
376: if (frame_pointer_needed) \
377: regs_ever_live[FRAME_POINTER_REGNUM] = 0; \
378: for (regno = 0; regno < 16; regno++) \
379: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
380: { \
381: nregs++; \
382: mask |= 1 << regno; \
383: } \
384: offset = foffset + nregs * 4; \
385: if (offset + fsize >= 0x8000 \
386: && frame_pointer_needed \
387: && (mask || fmask || fpoffset)) \
388: { \
389: fprintf (FILE, "\tmove.l #%d,a0\n", -fsize); \
390: fsize = 0, big = 1; \
391: } \
392: if (nregs <= 2) \
393: { \
394: /* Restore each separately in the same order moveml does. \
395: Using two movel instructions instead of a single moveml \
396: is about 15% faster for the 68020 and 68030 at no expense \
397: in code size. */ \
398: \
399: int i; \
400: \
401: /* Undo the work from above. */ \
402: for (i = 0; i< 16; i++) \
403: if (mask & (1 << i)) \
404: { \
405: if (big) \
406: { \
407: fprintf (FILE, "\tmove.l -%d(%s,a0.l),%s\n", \
408: offset + fsize, \
409: reg_names[FRAME_POINTER_REGNUM], \
410: reg_names[i]); \
411: } \
412: else if (! frame_pointer_needed) \
413: { \
414: fprintf (FILE, "\tmove.l (sp)+,%s\n", \
415: reg_names[i]); \
416: } \
417: else \
418: { \
419: fprintf (FILE, "\tmove.l -%d(%s),%s\n", \
420: offset + fsize, \
421: reg_names[FRAME_POINTER_REGNUM], \
422: reg_names[i]); \
423: } \
424: offset = offset - 4; \
425: } \
426: } \
427: else if (mask) \
428: { \
429: first = 1; \
430: for (regno = 0; regno < 16; regno++) \
431: if (mask & (1 << regno)) \
432: if (first && big) { \
433: fprintf (FILE, "\tmovem.l -%d(%s,a0.l),%s", \
434: offset + fsize, \
435: reg_names[FRAME_POINTER_REGNUM], \
436: reg_names[regno]); \
437: first = 0; \
438: } \
439: else if (first && ! frame_pointer_needed) { \
440: fprintf (FILE, "\tmovem.l (sp)+,%s", \
441: offset + fsize, \
442: reg_names[FRAME_POINTER_REGNUM], \
443: reg_names[regno]); \
444: first = 0; \
445: } \
446: else if (first) { \
447: fprintf (FILE, "\tmovem.l -%d(%s),%s", \
448: offset + fsize, \
449: reg_names[FRAME_POINTER_REGNUM], \
450: reg_names[regno]); \
451: first = 0; \
452: } \
453: else \
454: fprintf (FILE, "/%s", reg_names[regno]); \
455: fprintf (FILE, "\n"); \
456: } \
457: if (fmask) \
458: { \
459: first = 1; \
460: for (regno = 16; regno < 24; regno++) \
461: if (fmask & (1 << (23 - regno))) \
462: if (first && big) { \
463: fprintf (FILE, "\tfmovem.x -%d(%s,a0.l),%s", \
464: foffset + fsize, \
465: reg_names[FRAME_POINTER_REGNUM], \
466: reg_names[regno]); \
467: first = 0; \
468: } \
469: else if (first && ! frame_pointer_needed) { \
470: fprintf (FILE, "\tfmovem.x (sp)+,%s", \
471: foffset + fsize, \
472: reg_names[FRAME_POINTER_REGNUM], \
473: reg_names[regno]); \
474: first = 0; \
475: } \
476: else if (first) { \
477: fprintf (FILE, "\tfmovem.x -%d(%s),%s", \
478: foffset + fsize, \
479: reg_names[FRAME_POINTER_REGNUM], \
480: reg_names[regno]); \
481: first = 0; \
482: } \
483: else fprintf (FILE, "/%s", reg_names[regno]); \
484: fprintf (FILE, "\n"); \
485: } \
486: if (frame_pointer_needed) \
487: fprintf (FILE, "\tunlk %s\n", \
488: reg_names[FRAME_POINTER_REGNUM]); \
489: else if (fsize) \
490: { \
491: if (fsize + 4 < 0x8000) \
492: { \
493: fprintf (FILE, "\tadd.w #%d,sp\n", fsize + 4); \
494: } \
495: else \
496: { \
497: fprintf (FILE, "\tadd.l #%d,sp\n", fsize + 4); \
498: } \
499: } \
500: if (current_function_pops_args) \
501: fprintf (FILE, "\trtd #%d\n", current_function_pops_args); \
502: else \
503: fprintf (FILE, "\trts\n"); \
504: }
505:
506: /* Translate Motorola opcodes such as `jbeq'
507: into VERSAdos opcodes such as `beq'.
508: Change `fbeq' to `fbseq', `fbne' to `fbsneq'.
509: */
510:
511: #undef ASM_OUTPUT_OPCODE
512: #define ASM_OUTPUT_OPCODE(FILE, PTR) \
513: { if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \
514: { ++(PTR); \
515: while (*(PTR) != ' ') \
516: { putc (*(PTR), (FILE)); ++(PTR); } \
517: } \
518: else if ((PTR)[0] == 'f') \
519: { \
520: if (!strncmp ((PTR), "fbeq", 4)) \
521: { fprintf ((FILE), "fbseq"); (PTR) += 4; } \
522: else if (!strncmp ((PTR), "fbne", 4)) \
523: { fprintf ((FILE), "fbsneq"); (PTR) += 4; } \
524: } \
525: else if ((PTR)[0] == 'b' && (PTR)[1] == 'f') \
526: { \
527: char *s; \
528: if ((s = (char*)strchr ((PTR), '{'))) \
529: while (*s != '}') { \
530: if (*s == 'b') \
531: /* hack, I replace it with R ie nothing */ \
532: *s = '0'; \
533: s++; } \
534: } \
535: }
536:
537: /* This is how to output a `long double' extended real constant. */
538: #undef ASM_OUTPUT_LONG_DOUBLE
539: #define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \
540: do { long l[3]; \
541: REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l); \
542: if (sizeof (int) == sizeof (long)) \
543: fprintf (FILE, "\tdc.l $%x,$%x,$%x\n", l[0], l[1], l[2]); \
544: else \
545: fprintf (FILE, "\tdc.l $%lx,$%lx,$%lx\n", l[0], l[1], l[2]); \
546: } while (0)
547:
548: #undef ASM_OUTPUT_DOUBLE
549: #if 0
550: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
551: do { char dstr[30]; \
552: REAL_VALUE_TO_DECIMAL (VALUE, "%.20g", dstr); \
553: fprintf (FILE, "\tdc.d %s\n", dstr); \
554: } while (0)
555: #endif
556: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
557: do { long l[2]; \
558: REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \
559: fprintf (FILE, "\tdc.l $%x,$%x\n", l[0], l[1]); \
560: } while (0)
561:
562:
563: /* This is how to output an assembler line defining a `float' constant. */
564: #undef ASM_OUTPUT_FLOAT
565: #define ASM_OUTPUT_FLOAT(FILE,VALUE) \
566: do { long l; \
567: REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \
568: if (sizeof (int) == sizeof (long)) \
569: fprintf (FILE, "\tdc.l $%x\n", l); \
570: else \
571: fprintf (FILE, "\tdc.l $%lx\n", l); \
572: } while (0)
573:
574: /* This is how to output an assembler line defining an `int' constant. */
575: #undef ASM_OUTPUT_INT
576: #define ASM_OUTPUT_INT(FILE,VALUE) \
577: ( fprintf (FILE, "\tdc.l "), \
578: output_addr_const (FILE, (VALUE)), \
579: fprintf (FILE, "\n"))
580:
581: /* Likewise for `char' and `short' constants. */
582: #undef ASM_OUTPUT_SHORT
583: #define ASM_OUTPUT_SHORT(FILE,VALUE) \
584: ( fprintf (FILE, "\tdc.w "), \
585: output_addr_const (FILE, (VALUE)), \
586: fprintf (FILE, "\n"))
587:
588: #undef ASM_OUTPUT_CHAR
589: #define ASM_OUTPUT_CHAR(FILE,VALUE) \
590: ( fprintf (FILE, "\tdc.b "), \
591: output_addr_const (FILE, (VALUE)), \
592: fprintf (FILE, "\n"))
593:
594: /* This is how to output an assembler line for a numeric constant byte. */
595: #undef ASM_OUTPUT_BYTE
596: #define ASM_OUTPUT_BYTE(FILE,VALUE) \
597: fprintf (FILE, "\tdc.b $%x\n", (VALUE))
598:
599: /* This is how to output an element of a case-vector that is absolute.
600: (The 68000 does not use such vectors,
601: but we must define this macro anyway.) */
602: #undef ASM_OUTPUT_ADDR_VEC_ELT
603: #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
604: asm_fprintf (FILE, "\tdc.l %LL%d\n", VALUE)
605:
606: /* This is how to output an element of a case-vector that is relative. */
607: #undef ASM_OUTPUT_ADDR_DIFF_ELT
608: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
609: asm_fprintf (FILE, "\tdc.w %LL%d-%LL%d\n", VALUE, REL)
610:
611: /* Currently, JUMP_TABLES_IN_TEXT_SECTION must be defined in order to
612: keep switch tables in the text section. */
613: #define JUMP_TABLES_IN_TEXT_SECTION 1
614:
615: /* Output a float value (represented as a C double) as an immediate operand.
616: This macro is a 68k-specific macro. */
617: #undef ASM_OUTPUT_FLOAT_OPERAND
618: #define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE) \
619: do { \
620: if (CODE == 'f') \
621: { \
622: char dstr[30]; \
623: REAL_VALUE_TO_DECIMAL (VALUE, "%.9g", dstr); \
624: asm_fprintf ((FILE), "%I%s", dstr); \
625: } \
626: else \
627: { \
628: long l; \
629: REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \
630: if (sizeof (int) == sizeof (long)) \
631: asm_fprintf ((FILE), "%I$%x", l); \
632: else \
633: asm_fprintf ((FILE), "%I$%lx", l); \
634: } \
635: } while (0)
636:
637: /* Output a double value (represented as a C double) as an immediate operand.
638: This macro is a 68k-specific macro. */
639: #undef ASM_OUTPUT_DOUBLE_OPERAND
640: #define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE) \
641: do { char dstr[30]; \
642: REAL_VALUE_TO_DECIMAL (VALUE, "%.20g", dstr); \
643: asm_fprintf (FILE, "%I%s", dstr); \
644: } while (0)
645:
646: /* Note, long double immediate operands are not actually
647: generated by m68k.md. */
648: #undef ASM_OUTPUT_LONG_DOUBLE_OPERAND
649: #define ASM_OUTPUT_LONG_DOUBLE_OPERAND(FILE,VALUE) \
650: do { char dstr[30]; \
651: REAL_VALUE_TO_DECIMAL (VALUE, "%.20g", dstr); \
652: asm_fprintf (FILE, "%I%s", dstr); \
653: } while (0)
654:
655: #undef ASM_OUTPUT_COMMON
656: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
657: ( fputs ("\t.comm ", (FILE)), \
658: assemble_name ((FILE), (NAME)), \
659: fprintf ((FILE), ",%u\n", (ROUNDED)))
660:
661: #undef ASM_OUTPUT_LOCAL
662: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
663: do { \
664: int align = exact_log2 (ROUNDED); \
665: /*fprintf ((FILE), "\tsection 14\n"); */ \
666: data_section (); \
667: ASM_OUTPUT_ALIGN ((FILE), align) \
668: ASM_OUTPUT_LABEL ((FILE), (NAME)); \
669: fprintf ((FILE), "\tdcb.b %u,0\n", (ROUNDED)); \
670: /* fprintf ((FILE), "\tsection 10\n"); */ \
671: } while (0)
672:
673: #undef PRINT_OPERAND_ADDRESS
674: #define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
675: { register rtx reg1, reg2, breg, ireg; \
676: register rtx addr = ADDR; \
677: rtx offset; \
678: switch (GET_CODE (addr)) \
679: { \
680: case REG: \
681: fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \
682: break; \
683: case PRE_DEC: \
684: fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \
685: break; \
686: case POST_INC: \
687: fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \
688: break; \
689: case PLUS: \
690: reg1 = 0; reg2 = 0; \
691: ireg = 0; breg = 0; \
692: offset = 0; \
693: if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \
694: { \
695: offset = XEXP (addr, 0); \
696: addr = XEXP (addr, 1); \
697: } \
698: else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \
699: { \
700: offset = XEXP (addr, 1); \
701: addr = XEXP (addr, 0); \
702: } \
703: if (GET_CODE (addr) != PLUS) ; \
704: else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \
705: { \
706: reg1 = XEXP (addr, 0); \
707: addr = XEXP (addr, 1); \
708: } \
709: else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \
710: { \
711: reg1 = XEXP (addr, 1); \
712: addr = XEXP (addr, 0); \
713: } \
714: else if (GET_CODE (XEXP (addr, 0)) == MULT) \
715: { \
716: reg1 = XEXP (addr, 0); \
717: addr = XEXP (addr, 1); \
718: } \
719: else if (GET_CODE (XEXP (addr, 1)) == MULT) \
720: { \
721: reg1 = XEXP (addr, 1); \
722: addr = XEXP (addr, 0); \
723: } \
724: else if (GET_CODE (XEXP (addr, 0)) == REG) \
725: { \
726: reg1 = XEXP (addr, 0); \
727: addr = XEXP (addr, 1); \
728: } \
729: else if (GET_CODE (XEXP (addr, 1)) == REG) \
730: { \
731: reg1 = XEXP (addr, 1); \
732: addr = XEXP (addr, 0); \
733: } \
734: if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \
735: || GET_CODE (addr) == SIGN_EXTEND) \
736: { if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \
737: /* for OLD_INDEXING \
738: else if (GET_CODE (addr) == PLUS) \
739: { \
740: if (GET_CODE (XEXP (addr, 0)) == REG) \
741: { \
742: reg2 = XEXP (addr, 0); \
743: addr = XEXP (addr, 1); \
744: } \
745: else if (GET_CODE (XEXP (addr, 1)) == REG) \
746: { \
747: reg2 = XEXP (addr, 1); \
748: addr = XEXP (addr, 0); \
749: } \
750: } \
751: */ \
752: if (offset != 0) { if (addr != 0) abort (); addr = offset; } \
753: if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \
754: || GET_CODE (reg1) == MULT)) \
755: || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \
756: { breg = reg2; ireg = reg1; } \
757: else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \
758: { breg = reg1; ireg = reg2; } \
759: if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \
760: { int scale = 1; \
761: if (GET_CODE (ireg) == MULT) \
762: { scale = INTVAL (XEXP (ireg, 1)); \
763: ireg = XEXP (ireg, 0); } \
764: if (GET_CODE (ireg) == SIGN_EXTEND) \
765: fprintf (FILE, "(.L%d,pc,%s.w", \
766: CODE_LABEL_NUMBER (XEXP (addr, 0)), \
767: reg_names[REGNO (XEXP (ireg, 0))]); \
768: else \
769: fprintf (FILE, "(.L%d,pc,%s.l", \
770: CODE_LABEL_NUMBER (XEXP (addr, 0)), \
771: reg_names[REGNO (ireg)]); \
772: if (scale != 1) fprintf (FILE, "*%d", scale); \
773: putc (')', FILE); \
774: break; } \
775: if (breg != 0 && ireg == 0 && GET_CODE (addr) == LABEL_REF \
776: && ! (flag_pic && breg == pic_offset_table_rtx)) \
777: { \
778: fprintf (FILE, "(.L%d,pc,%s.l", \
779: CODE_LABEL_NUMBER (XEXP (addr, 0)), \
780: reg_names[REGNO (breg)]); \
781: putc (')', FILE); \
782: break; } \
783: if (ireg != 0 || breg != 0) \
784: { int scale = 1; \
785: if (breg == 0) \
786: abort (); \
787: putc ('(', FILE); \
788: if (addr != 0) \
789: { \
790: output_addr_const (FILE, addr); \
791: putc (',', FILE); \
792: } \
793: fprintf (FILE, "%s", reg_names[REGNO (breg)]); \
794: if (ireg != 0) \
795: putc (',', FILE); \
796: if (ireg != 0 && GET_CODE (ireg) == MULT) \
797: { scale = INTVAL (XEXP (ireg, 1)); \
798: ireg = XEXP (ireg, 0); } \
799: if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \
800: fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \
801: else if (ireg != 0) \
802: fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \
803: if (scale != 1) fprintf (FILE, "*%d", scale); \
804: putc (')', FILE); \
805: break; \
806: } \
807: else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \
808: { fprintf (FILE, "(.L%d,pc,%s.w)", \
809: CODE_LABEL_NUMBER (XEXP (addr, 0)), \
810: reg_names[REGNO (reg1)]); \
811: break; } \
812: default: \
813: if (GET_CODE (addr) == CONST_INT \
814: && INTVAL (addr) < 0x8000 \
815: && INTVAL (addr) >= -0x8000) \
816: fprintf (FILE, "%d.w", INTVAL (addr)); \
817: else \
818: output_addr_const (FILE, addr); \
819: }}
820:
821:
1.1 root 822: #endif /* ! use gas */
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.