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1.1 root 1: /* Definitions of target machine for GNU compiler.
2: SysV68 Motorola 3300 Delta Series
3:
4: Written by Abramo and Roberto Bagnara
5: after Alex Crain's 3B1 definitions.
6:
7: Bug reports to [email protected]
8:
9: Copyright (C) 1987 Free Software Foundation, Inc.
10:
11: This file is part of GNU CC.
12:
13: GNU CC is free software; you can redistribute it and/or modify
14: it under the terms of the GNU General Public License as published by
15: the Free Software Foundation; either version 2, or (at your option)
16: any later version.
17:
18: GNU CC is distributed in the hope that it will be useful,
19: but WITHOUT ANY WARRANTY; without even the implied warranty of
20: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21: GNU General Public License for more details.
22:
23: You should have received a copy of the GNU General Public License
24: along with GNU CC; see the file COPYING. If not, write to
25: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
26:
27: #define MOTOROLA /* Use Motorola syntax rather than "MIT" */
28: #define SGS /* Uses SGS assembler */
29: #define SGS_CMP_ORDER /* Takes cmp operands in reverse order */
30: #define SGS_SWAP_W /* Use swap.w rather than just plain swap */
31: #define SGS_SWITCH_TABLES /* Different switch table handling */
32:
33: #define NO_DOLLAR_IN_LABEL
34: #define NO_DOT_IN_LABEL
35:
36: #include "m68k/m68k.h"
37:
38: /* See m68k.h. 7 means 68020 with 68881. */
39:
40: #ifndef TARGET_DEFAULT
41: #define TARGET_DEFAULT 7
42: #endif
43:
44: /* NYI: FP= is equivalent to -msoft-float */
45:
46: /* We use /lib/libp/lib* when profiling. */
47:
48: /* NYI: if FP=M68881U library is -lc881u */
49: /* NYI: if FP= library is -lc. */
50: /* Default for us: FP=M68881 library is -lc881 */
51: #undef LIB_SPEC
52: #define LIB_SPEC "%{!shlib:%{p:-L/usr/lib/libp} %{pg:-L/usr/lib/libp} -lc881}"
53:
54: #define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__}"
55:
56: /* Shared libraries need to use crt0s.o */
57:
58: #undef STARTFILE_SPEC
59: #define STARTFILE_SPEC \
60: "%{!shlib:%{pg:mcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}\
61: %{shlib:crt0s.o%s shlib.ifile%s} "
62:
63: /* Generate calls to memcpy, memcmp and memset. */
64:
65: #define TARGET_MEM_FUNCTIONS
66:
67: /* size_t is unsigned int. */
68:
69: #define SIZE_TYPE "unsigned int"
70:
71: /* Every structure or union's size must be a multiple of 2 bytes. */
72:
73: #define STRUCTURE_SIZE_BOUNDARY 16
74:
75: /* cpp has to support a #sccs directive for the /usr/include files */
76:
77: #define SCCS_DIRECTIVE
78:
79: /* Make output for SDB. */
80:
81: #define SDB_DEBUGGING_INFO
82:
83: #undef REGISTER_NAMES
84: #define REGISTER_NAMES \
85: {"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \
86: "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%fp", "%sp", \
87: "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7"}
88:
89: #undef FUNCTION_PROLOGUE
90: #define FUNCTION_PROLOGUE(FILE, SIZE) \
91: { register int regno; \
92: register int mask = 0; \
93: extern char call_used_regs[]; \
94: int fsize = (SIZE); \
95: if (frame_pointer_needed) \
96: { if (fsize < 0x8000) \
97: fprintf (FILE, "\tlink.w %%fp,&%d\n", -fsize); \
98: else if (TARGET_68020) \
99: fprintf (FILE, "\tlink.l %%fp,&%d\n", -fsize); \
100: else \
101: fprintf (FILE, "\tlink.w %%fp,&0\n\tsub.l &%d,%%sp\n", fsize); } \
102: for (regno = 16; regno < FIRST_PSEUDO_REGISTER; regno++) \
103: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
104: mask |= 1 << (regno - 16); \
105: if (mask != 0) \
106: fprintf (FILE, "\tfmovem &0x%x,-(%%sp)\n", mask & 0xff); \
107: mask = 0; \
108: for (regno = 0; regno < 16; regno++) \
109: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
110: mask |= 1 << (15 - regno); \
111: if (frame_pointer_needed) \
112: mask &= ~ (1 << (15-FRAME_POINTER_REGNUM)); \
113: if (exact_log2 (mask) >= 0) \
114: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[15 - exact_log2 (mask)]); \
115: else if (mask) fprintf (FILE, "\tmovm.l &0x%x,-(%%sp)\n", mask); }
116:
117: #undef FUNCTION_PROFILER
118: #define FUNCTION_PROFILER(FILE, LABEL_NO) \
119: fprintf (FILE, "\tmov.l &LP%%%d,%%a0\n\tjsr mcount%%\n", (LABEL_NO))
120:
121: #undef FUNCTION_EPILOGUE
122: #define FUNCTION_EPILOGUE(FILE, SIZE) \
123: { register int regno; \
124: register int mask, fmask; \
125: register int nregs; \
126: int offset, foffset; \
127: extern char call_used_regs[]; \
128: int fsize = (SIZE); \
129: int big = 0; \
130: nregs = 0; fmask = 0; \
131: for (regno = 16; regno < FIRST_PSEUDO_REGISTER; regno++) \
132: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
133: { nregs++; fmask |= 1 << (23 - regno); } \
134: foffset = nregs * 12; \
135: nregs = 0; mask = 0; \
136: if (frame_pointer_needed) regs_ever_live[FRAME_POINTER_REGNUM] = 0; \
137: for (regno = 0; regno < 16; regno++) \
138: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
139: { nregs++; mask |= 1 << regno; } \
140: offset = foffset + nregs * 4; \
141: if (offset + fsize >= 0x8000 && frame_pointer_needed) \
142: { fprintf (FILE, "\tmov.l &%d,%%a0\n", -fsize); \
143: fsize = 0, big = 1; } \
144: if (exact_log2 (mask) >= 0) { \
145: if (big) \
146: fprintf (FILE, "\tmov.l -%d(%%fp,%%a0.l),%s\n", \
147: offset + fsize, reg_names[exact_log2 (mask)]); \
148: else if (! frame_pointer_needed) \
149: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", \
150: reg_names[exact_log2 (mask)]); \
151: else \
152: fprintf (FILE, "\tmov.l -%d(%%fp),%s\n", \
153: offset + fsize, reg_names[exact_log2 (mask)]); } \
154: else if (mask) { \
155: if (big) \
156: fprintf (FILE, "\tmovm.l -%d(%%fp,%%a0.l),&0x%x\n", \
157: offset + fsize, mask); \
158: else if (! frame_pointer_needed) \
159: fprintf (FILE, "\tmovm.l (%%sp)+,&0x%x\n", mask); \
160: else \
161: fprintf (FILE, "\tmovm.l -%d(%%fp),&0x%x\n", \
162: offset + fsize, mask); } \
163: if (fmask) { \
164: if (big) \
165: fprintf (FILE, "\tfmovem -%d(%%fp,%%a0.l),&0x%x\n", \
166: foffset + fsize, fmask); \
167: else if (! frame_pointer_needed) \
168: fprintf (FILE, "\tfmovem (%%sp)+,&0x%x\n", fmask); \
169: else \
170: fprintf (FILE, "\tfmovem -%d(%%fp),&0x%x\n", \
171: foffset + fsize, fmask); } \
172: if (frame_pointer_needed) \
173: fprintf (FILE, "\tunlk %%fp\n"); \
174: if (current_function_pops_args) \
175: fprintf (FILE, "\trtd &%d\n", current_function_pops_args); \
176: else fprintf (FILE, "\trts\n"); }
177:
178: /* This is how to output an insn to push a register on the stack.
179: It need not be very fast code. */
180:
181: #undef ASM_OUTPUT_REG_PUSH
182: #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
183: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[REGNO])
184:
185: /* This is how to output an insn to pop a register from the stack.
186: It need not be very fast code. */
187:
188: #undef ASM_OUTPUT_REG_POP
189: #define ASM_OUTPUT_REG_POP(FILE,REGNO) \
190: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", reg_names[REGNO])
191:
192: #undef ASM_APP_ON
193: #define ASM_APP_ON ""
194:
195: #undef ASM_APP_OFF
196: #define ASM_APP_OFF ""
197:
198: #undef TEXT_SECTION_ASM_OP
199: #define TEXT_SECTION_ASM_OP "text"
200: #undef DATA_SECTION_ASM_OP
201: #define DATA_SECTION_ASM_OP "data"
202: #undef ASCII_DATA_ASM_OP
203: #define ASCII_DATA_ASM_OP "byte"
204:
205: /* The file command should always begin the output. */
206:
207: #undef ASM_FILE_START
208: #define ASM_FILE_START(FILE) \
209: output_file_directive ((FILE), main_input_filename)
210:
211: /* Don't try to define `gcc_compiled.' since the assembler might not
212: accept symbols with periods and GDB doesn't run on this machine anyway. */
213:
214: #define ASM_IDENTIFY_GCC(FILE)
215:
216: /* Names to predefine in the preprocessor for this target machine. */
217: /* [email protected] says mc68000 and m68k should not be here,
218: on the other hand I don't care what he says. */
219:
220: #undef CPP_PREDEFINES
221: #define CPP_PREDEFINES "-Dm68k -Dunix -DsysV68"
222:
223: /* Specify how to pad function arguments.
224: Value should be `upward', `downward' or `none'.
225: Same as the default, except no padding for large or variable-size args. */
226:
227: #define FUNCTION_ARG_PADDING(MODE, TYPE) \
228: (((MODE) == BLKmode \
229: ? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \
230: && int_size_in_bytes (TYPE) < PARM_BOUNDARY / BITS_PER_UNIT) \
231: : GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY) \
232: ? downward : none)
233:
234: /* Override part of the obstack macros. */
235:
236: #define __PTR_TO_INT(P) ((int)(P))
237: #define __INT_TO_PTR(P) ((char *)(P))
238:
239: #undef TARGET_VERSION
240: #define TARGET_VERSION fprintf (stderr, " (68k, SGS/AT&T sysV68 syntax)");
241:
242: /* Function calls save all but a0, a1, d0, d1, fp0, fp1. */
243:
244: #undef CALL_USED_REGISTERS
245: #define CALL_USED_REGISTERS \
246: {1, 1, 0, 0, 0, 0, 0, 0, \
247: 1, 1, 0, 0, 0, 0, 0, 1, \
248: 1, 1, 0, 0, 0, 0, 0, 0}
249:
250: /* If TARGET_68881, return SF and DF values in fp0 instead of d0. */
251: /* NYI: If FP=M68881U return SF and DF values in d0. */
252: /* NYI: If -mold return pointer in a0 and d0 */
253:
254: #undef FUNCTION_VALUE
255: #define FUNCTION_VALUE(VALTYPE,FUNC) LIBCALL_VALUE (TYPE_MODE (VALTYPE))
256:
257: /* sysV68 (brain damaged) cc convention support. */
258: /* Commented out until we find a safe way to make it optional. */
259: #if 0
260: #define FUNCTION_VALUE(VALTYPE,FUNC) \
261: (TREE_CODE (VALTYPE) == REAL_TYPE && TARGET_68881 \
262: ? gen_rtx (REG, TYPE_MODE (VALTYPE), 16) \
263: : (TREE_CODE (VALTYPE) == POINTER_TYPE \
264: ? gen_rtx (REG, TYPE_MODE (VALTYPE), 8) \
265: : gen_rtx (REG, TYPE_MODE (VALTYPE), 0)))
266: #endif
267:
268: /* If TARGET_68881, SF and DF values are returned in fp0 instead of d0. */
269:
270: #undef LIBCALL_VALUE
271: #define LIBCALL_VALUE(MODE) \
272: gen_rtx (REG, (MODE), \
273: ((TARGET_68881 \
274: && ((MODE) == SFmode || (MODE) == DFmode || (MODE) == XFmode)) \
275: ? 16 : 0))
276:
277: /* 1 if N is a possible register number for a function value.
278: d0 may be used, and fp0 as well if -msoft-float is not specified. */
279:
280: #undef FUNCTION_VALUE_REGNO_P
281: #define FUNCTION_VALUE_REGNO_P(N) \
282: ((N) == 0 || (TARGET_68881 && (N) == 16))
283:
284: /* sysV68 (brain damaged) cc convention support. */
285: /* Commented out until we find a safe way to make it optional. */
286: #if 0
287: #define FUNCTION_VALUE_REGNO_P(N) \
288: ((N) == 0 || (N) == 8 || (TARGET_68881 && (N) == 16))
289: #endif
290:
291: /* Define this to be true when FUNCTION_VALUE_REGNO_P is true for
292: more than one register. */
293:
294: #undef NEEDS_UNTYPED_CALL
295: #define NEEDS_UNTYPED_CALL 1
296:
297: /* This is the command to make the user-level label named NAME
298: defined for reference from other files. */
299:
300: #undef GLOBAL_ASM_OP
301: #define GLOBAL_ASM_OP "global"
302:
303: /* Store in OUTPUT a string (made with alloca) containing
304: an assembler-name for a local static variable named NAME.
305: LABELNO is an integer which is different for each call. */
306:
307: #undef ASM_FORMAT_PRIVATE_NAME
308: #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
309: ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 12), \
310: sprintf ((OUTPUT), "%s_%%%d", (NAME), (LABELNO)))
311:
312: /* The sysV68 as doesn't know about double's and float's. */
313: /* This is how to output an assembler line defining a `double' constant. */
314:
315: #undef ASM_OUTPUT_DOUBLE
316: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
317: do { long l[2]; \
318: REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \
319: fprintf (FILE, "\tlong 0x%x,0x%x\n", l[0], l[1]); \
320: } while (0)
321:
322: #undef ASM_OUTPUT_LONG_DOUBLE
323: #define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \
324: do { long l[3]; \
325: REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l); \
326: fprintf (FILE, "\tlong 0x%x,0x%x,0x%x\n", l[0], l[1], l[2]); \
327: } while (0)
328:
329: /* This is how to output an assembler line defining a `float' constant. */
330:
331: #undef ASM_OUTPUT_FLOAT
332: #define ASM_OUTPUT_FLOAT(FILE,VALUE) \
333: do { long l; \
334: REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \
335: fprintf ((FILE), "\tlong 0x%x\n", l); \
336: } while (0)
337:
338: /* This is how to output an assembler line defining an `int' constant. */
339:
340: #undef ASM_OUTPUT_INT
341: #define ASM_OUTPUT_INT(FILE,VALUE) \
342: ( fprintf (FILE, "\tlong "), \
343: output_addr_const (FILE, (VALUE)), \
344: fprintf (FILE, "\n"))
345:
346: /* Likewise for `char' and `short' constants. */
347:
348: #undef ASM_OUTPUT_SHORT
349: #define ASM_OUTPUT_SHORT(FILE,VALUE) \
350: ( fprintf (FILE, "\tshort "), \
351: output_addr_const (FILE, (VALUE)), \
352: fprintf (FILE, "\n"))
353:
354: #undef ASM_OUTPUT_CHAR
355: #define ASM_OUTPUT_CHAR(FILE,VALUE) \
356: ( fprintf (FILE, "\tbyte "), \
357: output_addr_const (FILE, (VALUE)), \
358: fprintf (FILE, "\n"))
359:
360: /* This is how to output an assembler line for a numeric constant byte. */
361:
362: #undef ASM_OUTPUT_BYTE
363: #define ASM_OUTPUT_BYTE(FILE,VALUE) \
364: fprintf (FILE, "\tbyte 0x%x\n", (VALUE))
365:
366: /* This is how to output an assembler line
367: that says to advance the location counter
368: to a multiple of 2**LOG bytes. */
369:
370: #undef ASM_OUTPUT_ALIGN
371: #define ASM_OUTPUT_ALIGN(FILE,LOG) \
372: if ((LOG) == 1) \
373: fprintf (FILE, "\teven\n"); \
374: else if ((LOG) != 0) \
375: abort ();
376:
377: #undef ASM_OUTPUT_SKIP
378: #define ASM_OUTPUT_SKIP(FILE,SIZE) \
379: fprintf (FILE, "\tspace %u\n", (SIZE))
380:
381: /* Can't use ASM_OUTPUT_SKIP in text section. */
382:
383: #define ASM_NO_SKIP_IN_TEXT 1
384:
385: /* The beginnings of sdb support... */
386:
387: #undef ASM_OUTPUT_SOURCE_FILENAME
388: #define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \
389: fprintf (FILE, "\tfile\t\"%s\"\n", FILENAME)
390:
391: #undef ASM_OUTPUT_SOURCE_LINE
392: #define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO) \
393: fprintf (FILE, "\tln\t%d\n", \
394: (sdb_begin_function_line \
395: ? last_linenum - sdb_begin_function_line : 1))
396:
397: /* Yet another null terminated string format. */
398:
399: #undef ASM_OUTPUT_ASCII
400: #define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
401: { register int sp = 0, lp = 0; \
402: fprintf ((FILE), "\tbyte\t"); \
403: loop: \
404: if ((PTR)[sp] > ' ' && ! ((PTR)[sp] & 0x80) && (PTR)[sp] != '\\') \
405: { lp += 3; \
406: fprintf ((FILE), "'%c", (PTR)[sp]); } \
407: else \
408: { lp += 5; \
409: fprintf ((FILE), "0x%x", (PTR)[sp]); } \
410: if (++sp < (LEN)) \
411: { if (lp > 60) \
412: { lp = 0; \
413: fprintf ((FILE), "\n\t%s ", ASCII_DATA_ASM_OP); } \
414: else \
415: putc (',', (FILE)); \
416: goto loop; } \
417: putc ('\n', (FILE)); }
418:
419: /* Print operand X (an rtx) in assembler syntax to file FILE.
420: CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified.
421: For `%' followed by punctuation, CODE is the punctuation and X is null.
422:
423: On the 68000, we use several CODE characters:
424: '.' for dot needed in Motorola-style opcode names.
425: '-' for an operand pushing on the stack:
426: sp@-, -(sp) or -(%sp) depending on the style of syntax.
427: '+' for an operand pushing on the stack:
428: sp@+, (sp)+ or (%sp)+ depending on the style of syntax.
429: '@' for a reference to the top word on the stack:
430: sp@, (sp) or (%sp) depending on the style of syntax.
431: '#' for an immediate operand prefix (# in MIT and Motorola syntax
432: but & in SGS syntax).
433: '!' for the fpcr register (used in some float-to-fixed conversions).
434: '$' for the letter `s' in an op code, but only on the 68040.
435: '&' for the letter `d' in an op code, but only on the 68040.
436:
437: 'b' for byte insn (no effect, on the Sun; this is for the ISI).
438: 'd' to force memory addressing to be absolute, not relative.
439: 'f' for float insn (print a CONST_DOUBLE as a float rather than in hex)
440: 'w' for FPA insn (print a CONST_DOUBLE as a SunFPA constant rather
441: than directly). Second part of 'y' below.
442: 'x' for float insn (print a CONST_DOUBLE as a float rather than in hex),
443: or print pair of registers as rx:ry.
444: 'y' for a FPA insn (print pair of registers as rx:ry). This also outputs
445: CONST_DOUBLE's as SunFPA constant RAM registers if
446: possible, so it should not be used except for the SunFPA. */
447:
448: #undef PRINT_OPERAND
449: #define PRINT_OPERAND(FILE, X, CODE) \
450: { if (CODE == '.') fprintf (FILE, "."); \
451: else if (CODE == '#') fprintf (FILE, "&"); \
452: else if (CODE == '-') fprintf (FILE, "-(%%sp)"); \
453: else if (CODE == '+') fprintf (FILE, "(%%sp)+"); \
454: else if (CODE == '@') fprintf (FILE, "(%%sp)"); \
455: else if (CODE == '!') fprintf (FILE, "%%fpcr"); \
456: else if (CODE == '$') { if (TARGET_68040_ONLY) fprintf (FILE, "s"); } \
457: else if (CODE == '&') { if (TARGET_68040_ONLY) fprintf (FILE, "d"); } \
458: else if (CODE == '/') \
459: fprintf (FILE, "%%"); \
460: else if (GET_CODE (X) == REG) \
461: fprintf (FILE, "%s", reg_names[REGNO (X)]); \
462: else if (GET_CODE (X) == MEM) \
463: output_address (XEXP (X, 0)); \
464: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == SFmode) \
465: { REAL_VALUE_TYPE r; long l; \
466: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \
467: REAL_VALUE_TO_TARGET_SINGLE (r, l); \
468: /* Use hex representation even if CODE is f. as needs it. */ \
469: fprintf (FILE, "&0x%x", l); } \
470: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == DFmode) \
471: { REAL_VALUE_TYPE r; int i[2]; \
472: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \
473: REAL_VALUE_TO_TARGET_DOUBLE (r, i); \
474: fprintf (FILE, "&0x%08x%08x", i[0], i[1]); } \
475: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == XFmode) \
476: { REAL_VALUE_TYPE r; \
477: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \
478: ASM_OUTPUT_LONG_DOUBLE_OPERAND (FILE, r); } \
479: else { putc ('&', FILE); output_addr_const (FILE, X); }}
480:
481: #undef PRINT_OPERAND_ADDRESS
482: #define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
483: { register rtx reg1, reg2, breg, ireg; \
484: register rtx addr = ADDR; \
485: rtx offset; \
486: switch (GET_CODE (addr)) \
487: { \
488: case REG: \
489: fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \
490: break; \
491: case PRE_DEC: \
492: fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \
493: break; \
494: case POST_INC: \
495: fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \
496: break; \
497: case PLUS: \
498: reg1 = 0; reg2 = 0; \
499: ireg = 0; breg = 0; \
500: offset = 0; \
501: if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \
502: { \
503: offset = XEXP (addr, 0); \
504: addr = XEXP (addr, 1); \
505: } \
506: else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \
507: { \
508: offset = XEXP (addr, 1); \
509: addr = XEXP (addr, 0); \
510: } \
511: if (GET_CODE (addr) != PLUS) ; \
512: else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \
513: { \
514: reg1 = XEXP (addr, 0); \
515: addr = XEXP (addr, 1); \
516: } \
517: else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \
518: { \
519: reg1 = XEXP (addr, 1); \
520: addr = XEXP (addr, 0); \
521: } \
522: else if (GET_CODE (XEXP (addr, 0)) == MULT) \
523: { \
524: reg1 = XEXP (addr, 0); \
525: addr = XEXP (addr, 1); \
526: } \
527: else if (GET_CODE (XEXP (addr, 1)) == MULT) \
528: { \
529: reg1 = XEXP (addr, 1); \
530: addr = XEXP (addr, 0); \
531: } \
532: else if (GET_CODE (XEXP (addr, 0)) == REG) \
533: { \
534: reg1 = XEXP (addr, 0); \
535: addr = XEXP (addr, 1); \
536: } \
537: else if (GET_CODE (XEXP (addr, 1)) == REG) \
538: { \
539: reg1 = XEXP (addr, 1); \
540: addr = XEXP (addr, 0); \
541: } \
542: if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \
543: || GET_CODE (addr) == SIGN_EXTEND) \
544: { if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \
545: /* for OLD_INDEXING \
546: else if (GET_CODE (addr) == PLUS) \
547: { \
548: if (GET_CODE (XEXP (addr, 0)) == REG) \
549: { \
550: reg2 = XEXP (addr, 0); \
551: addr = XEXP (addr, 1); \
552: } \
553: else if (GET_CODE (XEXP (addr, 1)) == REG) \
554: { \
555: reg2 = XEXP (addr, 1); \
556: addr = XEXP (addr, 0); \
557: } \
558: } \
559: */ \
560: if (offset != 0) { if (addr != 0) abort (); addr = offset; } \
561: if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \
562: || GET_CODE (reg1) == MULT)) \
563: || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \
564: { breg = reg2; ireg = reg1; } \
565: else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \
566: { breg = reg1; ireg = reg2; } \
567: if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \
568: { int scale = 1; \
569: if (GET_CODE (ireg) == MULT) \
570: { scale = INTVAL (XEXP (ireg, 1)); \
571: ireg = XEXP (ireg, 0); } \
572: if (GET_CODE (ireg) == SIGN_EXTEND) \
573: fprintf (FILE, "12(%%pc,%s.w", \
574: reg_names[REGNO (XEXP (ireg, 0))]); \
575: else \
576: fprintf (FILE, "12(%%pc,%s.l", \
577: reg_names[REGNO (ireg)]); \
578: if (scale != 1) fprintf (FILE, "*%d", scale); \
579: fprintf (FILE, ")"); \
580: break; } \
581: if (breg != 0 && ireg == 0 && GET_CODE (addr) == LABEL_REF) \
582: { fprintf (FILE, "12(%%pc,%s.l", \
583: reg_names[REGNO (breg)]); \
584: putc (')', FILE); \
585: break; } \
586: if (ireg != 0 || breg != 0) \
587: { int scale = 1; \
588: if (breg == 0) \
589: abort (); \
590: if (addr != 0) \
591: output_addr_const (FILE, addr); \
592: fprintf (FILE, "(%s", reg_names[REGNO (breg)]); \
593: if (ireg != 0) \
594: putc (',', FILE); \
595: if (ireg != 0 && GET_CODE (ireg) == MULT) \
596: { scale = INTVAL (XEXP (ireg, 1)); \
597: ireg = XEXP (ireg, 0); } \
598: if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \
599: fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \
600: else if (ireg != 0) \
601: fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \
602: if (scale != 1) fprintf (FILE, "*%d", scale); \
603: putc (')', FILE); \
604: break; \
605: } \
606: else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \
607: { fprintf (FILE, "12(%%pc,%s.w)", \
608: reg_names[REGNO (reg1)]); \
609: break; } \
610: default: \
611: if (GET_CODE (addr) == CONST_INT \
612: && INTVAL (addr) < 0x8000 \
613: && INTVAL (addr) >= -0x8000) \
614: fprintf (FILE, "%d", INTVAL (addr)); \
615: else \
616: output_addr_const (FILE, addr); \
617: }}
618:
619: /* This is how to store into the string LABEL
620: the symbol_ref name of an internal numbered label where
621: PREFIX is the class of label and NUM is the number within the class.
622: This is suitable for output with `assemble_name'. */
623:
624: #undef ASM_GENERATE_INTERNAL_LABEL
625: #define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
626: sprintf ((LABEL), "%s%%%d", (PREFIX), (NUM))
627:
628: /* This is how to output an internal numbered label where
629: PREFIX is the class of label and NUM is the number within the class. */
630:
631: #undef ASM_OUTPUT_INTERNAL_LABEL
632: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
633: fprintf (FILE, "%s%%%d:\n", PREFIX, NUM)
634:
635: /* This is how to output a reference to a user-level label named NAME.
636: `assemble_name' uses this. */
637:
638: #undef ASM_OUTPUT_LABELREF
639: #define ASM_OUTPUT_LABELREF(FILE,NAME) \
640: fprintf (FILE, "%s", NAME)
641:
642: /* This is how to output an element of a case-vector that is absolute.
643: (The 68000 does not use such vectors,
644: but we must define this macro anyway.) */
645:
646: #undef ASM_OUTPUT_ADDR_VEC_ELT
647: #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
648: fprintf (FILE, "\tlong L%%%d\n", (VALUE))
649:
650: /* This is how to output an element of a case-vector that is relative. */
651:
652: #undef ASM_OUTPUT_ADDR_DIFF_ELT
653: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
654: fprintf (FILE, "\tshort L%%%d-L%%%d\n", (VALUE), (REL))
655:
656: #define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \
657: fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n", \
658: XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM))
659:
660: #if 0
661: /* At end of a switch table, define LD%n iff the symbol LI%n was defined. */
662: #define ASM_OUTPUT_CASE_END(FILE,NUM,TABLE) \
663: { if (switch_table_difference_label_flag) \
664: asm_fprintf (FILE, "\t%s %LLD%d,%LL%d-%LLI%d-2.b\n",\
665: SET_ASM_OP, (NUM), (NUM), (NUM)) \
666: switch_table_difference_label_flag = 0; }
667: #endif
668:
669: /* We have to define this to avoid errors. */
670: int switch_table_difference_label_flag;
671:
672: /* Translate some opcodes to fit the sysV68 assembler syntax. */
673: /* The opcodes fdmov and fsmov are guesses. */
674:
675: #define SWITCH_JUMP_MATCH "jmp 6(%%pc,"
676:
677: #undef ASM_OUTPUT_OPCODE
678: #define ASM_OUTPUT_OPCODE(FILE, PTR) \
679: { if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \
680: { ++(PTR); \
681: while (*(PTR) != ' ') \
682: { putc (*(PTR), (FILE)); ++(PTR); } \
683: fprintf ((FILE), ".w"); } \
684: else if ((PTR)[0] == 's') \
685: { \
686: if (!strncmp ((PTR), "swap", 4)) \
687: { fprintf ((FILE), "swap.w"); (PTR) += 4; } \
688: } \
689: else if ((PTR)[0] == 'f') \
690: { \
691: if (!strncmp ((PTR), "fmove", 5)) \
692: { fprintf ((FILE), "fmov"); (PTR) += 5; } \
693: else if (!strncmp ((PTR), "f%$move", 7)) \
694: { if (TARGET_68040_ONLY) \
695: { fprintf ((FILE), "fsmov"); (PTR) += 7; } \
696: else \
697: { fprintf ((FILE), "fmov"); (PTR) += 7; } } \
698: else if (!strncmp ((PTR), "f%&move", 7)) \
699: { if (TARGET_68040_ONLY) \
700: { fprintf ((FILE), "fdmov"); (PTR) += 7; } \
701: else \
702: { fprintf ((FILE), "fmov"); (PTR) += 7; } } \
703: else if (!strncmp ((PTR), "ftst", 4)) \
704: { fprintf ((FILE), "ftest"); (PTR) += 4; } \
705: else if (!strncmp ((PTR), "fbne", 4)) \
706: { fprintf ((FILE), "fbneq"); (PTR) += 4; } \
707: else if (!strncmp ((PTR), "fsne", 4)) \
708: { fprintf ((FILE), "fsneq"); (PTR) += 4; } \
709: } \
710: /* MOVE, MOVEA, MOVEQ, MOVEC ==> MOV */ \
711: else if ((PTR)[0] == 'm' && (PTR)[1] == 'o' \
712: && (PTR)[2] == 'v' && (PTR)[3] == 'e') \
713: { fprintf ((FILE), "mov"); (PTR) += 4; \
714: if ((PTR)[0] == 'q' || (PTR)[0] == 'a' \
715: || (PTR)[0] == 'c') (PTR)++; } \
716: /* SUB, SUBQ, SUBA, SUBI ==> SUB */ \
717: else if ((PTR)[0] == 's' && (PTR)[1] == 'u' \
718: && (PTR)[2] == 'b') \
719: { fprintf ((FILE), "sub"); (PTR) += 3; \
720: if ((PTR)[0] == 'q' || (PTR)[0] == 'i' \
721: || (PTR)[0] == 'a') (PTR)++; } \
722: /* CMP, CMPA, CMPI, CMPM ==> CMP */ \
723: else if ((PTR)[0] == 'c' && (PTR)[1] == 'm' \
724: && (PTR)[2] == 'p') \
725: { fprintf ((FILE), "cmp"); (PTR) += 3; \
726: if ((PTR)[0] == 'a' || (PTR)[0] == 'i' \
727: || (PTR)[0] == 'm') (PTR)++; } \
728: /* JMP to switch label */ \
729: else if (!strncmp((PTR), (SWITCH_JUMP_MATCH), sizeof(SWITCH_JUMP_MATCH) - 1)) \
730: { while (*(PTR)++ != '('); \
731: fprintf ((FILE), "jmp 8("); } \
732: }
733:
734: /* This says how to output an assembler line
735: to define a global common symbol. */
736:
737: #undef ASM_OUTPUT_COMMON
738: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
739: ( fputs ("\tcomm ", (FILE)), \
740: assemble_name ((FILE), (NAME)), \
741: fprintf ((FILE), ",%u\n", (ROUNDED)))
742:
743: /* This says how to output an assembler line
744: to define a local common symbol. */
745:
746: #undef ASM_OUTPUT_LOCAL
747: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
748: ( fputs ("\tlcomm ", (FILE)), \
749: assemble_name ((FILE), (NAME)), \
750: fprintf ((FILE), ",%u\n", (ROUNDED)))
751:
752:
753: /* Override usual definitions of SDB output macros.
754: These definitions differ only in the absence of the period
755: at the beginning of the name of the directive
756: and in the use of `~' as the symbol for the current location. */
757:
758: #define PUT_SDB_SCL(a) fprintf(asm_out_file, "\tscl\t%d;", (a))
759: #define PUT_SDB_INT_VAL(a) fprintf (asm_out_file, "\tval\t%d;", (a))
760: #define PUT_SDB_VAL(a) \
761: ( fputs ("\tval\t", asm_out_file), \
762: output_addr_const (asm_out_file, (a)), \
763: fputc (';', asm_out_file))
764:
765: #define PUT_SDB_DEF(a) \
766: do { fprintf (asm_out_file, "\tdef\t"); \
767: ASM_OUTPUT_LABELREF (asm_out_file, a); \
768: fprintf (asm_out_file, ";"); } while (0)
769:
770: #define PUT_SDB_PLAIN_DEF(a) fprintf(asm_out_file,"\tdef\t~%s;",a)
771: #define PUT_SDB_ENDEF fputs("\tendef\n", asm_out_file)
772: #define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\ttype\t0%o;", a)
773: #define PUT_SDB_SIZE(a) fprintf(asm_out_file, "\tsize\t%d;", a)
774: #define PUT_SDB_START_DIM fprintf(asm_out_file, "\tdim\t")
775: #define PUT_SDB_NEXT_DIM(a) fprintf(asm_out_file, "%d,", a)
776: #define PUT_SDB_LAST_DIM(a) fprintf(asm_out_file, "%d;", a)
777:
778: #define PUT_SDB_TAG(a) \
779: do { fprintf (asm_out_file, "\ttag\t"); \
780: ASM_OUTPUT_LABELREF (asm_out_file, a); \
781: fprintf (asm_out_file, ";"); } while (0)
782:
783: #define PUT_SDB_BLOCK_START(LINE) \
784: fprintf (asm_out_file, \
785: "\tdef\t~bb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
786: (LINE))
787:
788: #define PUT_SDB_BLOCK_END(LINE) \
789: fprintf (asm_out_file, \
790: "\tdef\t~eb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
791: (LINE))
792:
793: #define PUT_SDB_FUNCTION_START(LINE) \
794: fprintf (asm_out_file, \
795: "\tdef\t~bf;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
796: (LINE))
797:
798: #define PUT_SDB_FUNCTION_END(LINE) \
799: fprintf (asm_out_file, \
800: "\tdef\t~ef;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
801: (LINE))
802:
803: #define PUT_SDB_EPILOGUE_END(NAME) \
804: fprintf (asm_out_file, \
805: "\tdef\t%s;\tval\t~;\tscl\t-1;\tendef\n", \
806: (NAME))
807:
808: #define SDB_GENERATE_FAKE(BUFFER, NUMBER) \
809: sprintf ((BUFFER), "~%dfake", (NUMBER));
810:
811: /* Define subroutines to call to handle multiply, divide, and remainder.
812: Use the subroutines that the 3b1's library provides.
813: The `*' prevents an underscore from being prepended by the compiler. */
814:
815: #define DIVSI3_LIBCALL "*ldiv"
816: #define UDIVSI3_LIBCALL "*uldiv"
817: #define MODSI3_LIBCALL "*lrem"
818: #define UMODSI3_LIBCALL "*ulrem"
819: #define MULSI3_LIBCALL "*lmul"
820: #define UMULSI3_LIBCALL "*ulmul"
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