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GCC with patches for Dreamcast


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修订版beb3b34a38e833681c483638512e3baf1057d140 (tree)
时间1992-01-19 13:47:58
作者Richard Stallman <rms@gnu....>
CommiterRichard Stallman

Log Message

Initial revision

From-SVN: r218

更改概述

差异

--- /dev/null
+++ b/gcc/config/m68k/crds.h
@@ -0,0 +1,603 @@
1+/* Definitions of target machine for GNU compiler.
2+ Charles River Data Systems UNiverse/32
3+
4+ Written by Gary E. Miller
5+ bug reports to Gary_Edmunds_Miller@cup.portal.com
6+
7+ Copyright (C) 1987 Free Software Foundation, Inc.
8+
9+This file is part of GNU CC.
10+
11+GNU CC is free software; you can redistribute it and/or modify
12+it under the terms of the GNU General Public License as published by
13+the Free Software Foundation; either version 2, or (at your option)
14+any later version.
15+
16+GNU CC is distributed in the hope that it will be useful,
17+but WITHOUT ANY WARRANTY; without even the implied warranty of
18+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19+GNU General Public License for more details.
20+
21+You should have received a copy of the GNU General Public License
22+along with GNU CC; see the file COPYING. If not, write to
23+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
24+
25+#define MOTOROLA /* Use Motorola syntax rather than "MIT" */
26+#define SGS /* Uses SGS assembler */
27+#define SGS_SWITCH_TABLES /* Different switch table handling */
28+#define CRDS /* Charles River Data Systems assembler */
29+
30+#include "m68k.h"
31+
32+/* Without STRUCTURE_SIZE_BOUNDARY, we can't ensure that structures are
33+ aligned such that we can correctly extract bitfields from them.
34+ Someone should check whether the usual compiler on the crds machine
35+ provides the equivalent behavior of STRUCTURE_SIZE_BOUNDARY. */
36+#error This doesn't define STRUCTURE_SIZE_BOUNDARY
37+
38+/* See m68k.h. 0 means 680[01]0 with no 68881. */
39+
40+#undef TARGET_DEFAULT
41+#define TARGET_DEFAULT 0
42+
43+/* special flags to the unos assembler. */
44+
45+#undef ASM_SPEC
46+#define ASM_SPEC "-g"
47+
48+#undef LIB_SPEC
49+#define LIB_SPEC "%{!p:%{!pg:-lunos}}%{p:-lc_p}%{pg:-lc_p}"
50+
51+#undef STARTFILE_SPEC
52+#define STARTFILE_SPEC \
53+ "%{pg:gcrt0.o%s}%{!pg:%{p:mc68rt0.o%s}%{!p:c68rt0.o%s}}"
54+
55+/* CC1 spec */
56+#if 0
57+/* c.sac only used in _s_call_r() in libunos.a and malloc() in libmalloc.a */
58+/* so we do not need to bother ! */
59+#define CC1_SPEC "-fpcc-struct-return"
60+#endif
61+
62+/* -O2 for MAX optimization */
63+#undef CC1_SPEC
64+#define CC1_SPEC "%{O2:-fstrength-reduce}"
65+
66+/* cpp has to support a #sccs directive for the /usr/include files */
67+
68+#define SCCS_DIRECTIVE
69+
70+/* Make output for SDB. */
71+
72+/* #define SDB_DEBUGGING_INFO UNOS casm has no debugging :-( */
73+
74+/* UNOS has vprintf() */
75+
76+#define HAVE_VPRINTF
77+
78+/* UNOS need stack probe :-( */
79+
80+#define HAVE_probe 1
81+#define gen_probe() gen_rtx(ASM_INPUT, VOIDmode, "tstb -2048(sp)\t;probe\n")
82+
83+/* use memcpy, memset instead of bcopy, etc. */
84+
85+#define TARGET_MEM_FUNCTIONS
86+
87+/* Don't try to define `gcc_compiled.' since the assembler might not
88+ accept symbols with periods and GDB doesn't run on this machine anyway. */
89+#define ASM_IDENTIFY_GCC(FILE)
90+
91+/* Define __HAVE_68881__ in preprocessor if -m68881 is specified.
92+ This will control the use of inline 68881 insns in certain macros. */
93+
94+#undef CPP_SPEC
95+#define CPP_SPEC "%{m68881:-D__HAVE_68881__}"
96+
97+/* Names to predefine in the preprocessor for this target machine. */
98+
99+#undef CPP_PREDEFINES
100+#define CPP_PREDEFINES "-Dmc68k -DM68000 -Dmc68000 -Dunos -Dunix"
101+
102+/* Register in which address to store a structure value
103+ is passed to a function. */
104+/* unos uses ".comm c.sac" returns &c.sac in d0 */
105+/* make pointer to c.sac ?
106+#undef STRUCT_VALUE_REGNUM
107+#define STRUCT_VALUE gen_rtx(MEM, Pmode, gen_rtx( , , ) )
108+*/
109+
110+#define EXTRA_SECTIONS in_bss
111+
112+#define EXTRA_SECTION_FUNCTIONS \
113+void \
114+bss_section () \
115+{ \
116+ if (in_section != in_bss) \
117+ { \
118+ fprintf (asm_out_file, ".bss\n"); \
119+ in_section = in_bss; \
120+ } \
121+}
122+
123+/* Specify how to pad function arguments.
124+ Value should be `upward', `downward' or `none'.
125+ Same as the default, except no padding for large or variable-size args. */
126+
127+#define FUNCTION_ARG_PADDING(MODE, TYPE) \
128+ (((MODE) == BLKmode \
129+ ? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \
130+ && int_size_in_bytes (TYPE) < PARM_BOUNDARY / BITS_PER_UNIT) \
131+ : GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY) \
132+ ? downward : none)
133+
134+/* Override part of the obstack macros. */
135+
136+#define __PTR_TO_INT(P) ((int)(P))
137+#define __INT_TO_PTR(P) ((char *)(P))
138+
139+/* Override parts of m68k.h to fit the CRuDS assembler. */
140+
141+#undef TARGET_VERSION
142+#define TARGET_VERSION fprintf (stderr, " (68k, CRDS/UNOS)");
143+
144+/* Specify extra dir to search for include files. */
145+#define SYSTEM_INCLUDE_DIR "/include"
146+
147+/* Control the assembler format that we output. */
148+
149+/* Output at beginning of assembler file. */
150+
151+#undef ASM_FILE_START
152+#define ASM_FILE_START(FILE) \
153+ fprintf (FILE, ";#NO_APP\n");
154+
155+/* Output to assembler file text saying following lines
156+ may contain character constants, extra white space, comments, etc. */
157+
158+#undef ASM_APP_ON
159+#define ASM_APP_ON ";#APP\n"
160+
161+/* Output to assembler file text saying following lines
162+ no longer contain unusual constructs. */
163+
164+#undef ASM_APP_OFF
165+#define ASM_APP_OFF ";#NO_APP\n"
166+
167+/* This is how to output an assembler line defining a `double' constant. */
168+
169+#undef ASM_OUTPUT_DOUBLE
170+#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
171+do { union { double f; long l[2];} tem; \
172+ tem.f = (VALUE); \
173+ fprintf (FILE, "\t.long 0x%x, 0x%x\n", tem.l[0], tem.l[1]); \
174+ } while (0)
175+
176+/*unos has no .skip :-( */
177+#undef ASM_OUTPUT_SKIP
178+#define ASM_OUTPUT_SKIP(FILE,SIZE) \
179+ fprintf (FILE, "\t. = . + %u\n", (SIZE));
180+
181+/* This says how to output an assembler line
182+ to define a local common symbol. */
183+/* should use bss_section instead of data_section but this makes casm die ? */
184+
185+#undef ASM_OUTPUT_LOCAL
186+#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
187+{ data_section (); \
188+ if ((SIZE) > 1) fprintf (FILE, "\t.even\n"); \
189+ assemble_name ((FILE), (NAME)); \
190+ fprintf ((FILE), ":\t. = . + %u\n", (ROUNDED));}
191+
192+/* This is how to output an insn to push a register on the stack.
193+ It need not be very fast code. */
194+
195+#undef ASM_OUTPUT_REG_PUSH
196+#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
197+ fprintf (FILE, "\tmovel %s,-(sp)\n", reg_names[REGNO])
198+
199+/* This is how to output an insn to pop a register from the stack.
200+ It need not be very fast code. */
201+
202+#undef ASM_OUTPUT_REG_POP
203+#define ASM_OUTPUT_REG_POP(FILE,REGNO) \
204+ fprintf (FILE, "\tmovel (sp)+,%s\n", reg_names[REGNO])
205+
206+#undef ASM_OUTPUT_ASCII
207+#define ASM_OUTPUT_ASCII(FILE, P , SIZE) \
208+{ int i; \
209+ fprintf ((FILE), "\t.ascii \""); \
210+ for (i = 0; i < (SIZE); i++) \
211+ { \
212+ register int c = (P)[i]; \
213+ if (i != 0 && (i / 200) * 200 == i) \
214+ fprintf ((FILE), "\"\n\t.ascii \""); \
215+ if (c >= ' ' && c < 0177) { \
216+ if (c != '\"' && c != '\\') { \
217+ putc (c, (FILE)); \
218+ continue; \
219+ } \
220+ } \
221+ /* brain dead asm doesn't understand char escapes */ \
222+ fprintf ((FILE), "\"\n\t.byte\t%d\n\t.ascii \"", c); \
223+ } \
224+ fprintf ((FILE), "\"\n"); \
225+ }
226+
227+
228+/* Change all JBxx to Bxx. Also change all DBRA to DBF.
229+ Also change divs.l, etc., to divs, etc. But don't change divsl.l. */
230+
231+#define ASM_OUTPUT_OPCODE(FILE, PTR) \
232+{ if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \
233+ { ++(PTR); } \
234+ else if ((PTR)[0] == 'd') \
235+ { \
236+ if (!strncmp ((PTR), "dbra", 4)) \
237+ { fprintf ((FILE), "dbf"); (PTR) += 4; } \
238+ else if (!strncmp ((PTR), "div", 3) && (PTR)[5] == ' ') \
239+ { fprintf ((FILE), "div%c", (PTR)[3]); (PTR) += 6; } \
240+ } \
241+}
242+
243+
244+/* Print operand X (an rtx) in assembler syntax to file FILE.
245+ CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified.
246+ For `%' followed by punctuation, CODE is the punctuation and X is null.
247+
248+ On the 68000, we use several CODE characters:
249+ '.' for dot needed in Motorola-style opcode names.
250+ '-' for an operand pushing on the stack:
251+ sp@-, -(sp) or -(%sp) depending on the style of syntax.
252+ '+' for an operand pushing on the stack:
253+ sp@+, (sp)+ or (%sp)+ depending on the style of syntax.
254+ '@' for a reference to the top word on the stack:
255+ sp@, (sp) or (%sp) depending on the style of syntax.
256+ '#' for an immediate operand prefix (# in MIT and Motorola syntax
257+ but & in SGS syntax, $ in unos syntax).
258+ '!' for the cc register (used in an `and to cc' insn).
259+
260+ 'b' for byte insn (no effect, on the Sun; this is for the ISI).
261+ 'd' to force memory addressing to be absolute, not relative.
262+ 'f' for float insn (print a CONST_DOUBLE as a float rather than in hex)
263+ 'w' for FPA insn (print a CONST_DOUBLE as a SunFPA constant rather
264+ than directly). Second part of 'y' below.
265+ 'x' for float insn (print a CONST_DOUBLE as a float rather than in hex),
266+ or print pair of registers as rx:ry.
267+ 'y' for a FPA insn (print pair of registers as rx:ry). This also outputs
268+ CONST_DOUBLE's as SunFPA constant RAM registers if
269+ possible, so it should not be used except for the SunFPA. */
270+
271+#undef PRINT_OPERAND_PUNCT_VALID_P
272+#define PRINT_OPERAND_PUNCT_VALID_P(CODE) \
273+ ((CODE) == '.' || (CODE) == '#' || (CODE) == '-' \
274+ || (CODE) == '+' || (CODE) == '@' || (CODE) == '!')
275+
276+#undef PRINT_OPERAND
277+#define PRINT_OPERAND(FILE, X, CODE) \
278+{ int i; \
279+ if (CODE == '.') ; \
280+ else if (CODE == '#') fprintf (FILE, "$"); \
281+ else if (CODE == '-') fprintf (FILE, "-(sp)"); \
282+ else if (CODE == '+') fprintf (FILE, "(sp)+"); \
283+ else if (CODE == '@') fprintf (FILE, "(sp)"); \
284+ else if (CODE == '!') fprintf (FILE, "cc"); \
285+ else if (GET_CODE (X) == REG) \
286+ { if (REGNO (X) < 16 && (CODE == 'y' || CODE == 'x') && GET_MODE (X) == DFmode) \
287+ fprintf (FILE, "%s:%s", reg_names[REGNO (X)], reg_names[REGNO (X)+1]); \
288+ else \
289+ fprintf (FILE, "%s", reg_names[REGNO (X)]); \
290+ } \
291+ else if (GET_CODE (X) == MEM) \
292+ { \
293+ output_address (XEXP (X, 0)); \
294+ if (CODE == 'd' && ! TARGET_68020 \
295+ && CONSTANT_ADDRESS_P (XEXP (X, 0))) \
296+ /* fprintf (FILE, ".l") */; \
297+ } \
298+ else if ((CODE == 'y' || CODE == 'w') \
299+ && GET_CODE(X) == CONST_DOUBLE \
300+ && (i = standard_sun_fpa_constant_p (X))) \
301+ fprintf (FILE, "%%%d", i & 0x1ff); \
302+ else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == SFmode) \
303+ { union { double d; int i[2]; } u; \
304+ union { float f; int i; } u1; \
305+ u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \
306+ u1.f = u.d; \
307+ if (CODE == 'f') \
308+ ASM_OUTPUT_FLOAT_OPERAND (FILE, u1.f); \
309+ else \
310+ fprintf (FILE, "$0x%x", u1.i); } \
311+ else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) != DImode) \
312+ { union { double d; int i[2]; } u; \
313+ u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \
314+ ASM_OUTPUT_DOUBLE_OPERAND (FILE, u.d); } \
315+ else { putc ('$', FILE); output_addr_const (FILE, X); }}
316+
317+/* Note that this contains a kludge that knows that the only reason
318+ we have an address (plus (label_ref...) (reg...))
319+ is in the insn before a tablejump, and we know that m68k.md
320+ generates a label LInnn: on such an insn. */
321+#undef PRINT_OPERAND_ADDRESS
322+#define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
323+{ register rtx reg1, reg2, breg, ireg; \
324+ register rtx addr = ADDR; \
325+ rtx offset; \
326+ switch (GET_CODE (addr)) \
327+ { \
328+ case REG: \
329+ fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \
330+ break; \
331+ case PRE_DEC: \
332+ fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \
333+ break; \
334+ case POST_INC: \
335+ fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \
336+ break; \
337+ case PLUS: \
338+ reg1 = 0; reg2 = 0; \
339+ ireg = 0; breg = 0; \
340+ offset = 0; \
341+ if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \
342+ { \
343+ offset = XEXP (addr, 0); \
344+ addr = XEXP (addr, 1); \
345+ } \
346+ else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \
347+ { \
348+ offset = XEXP (addr, 1); \
349+ addr = XEXP (addr, 0); \
350+ } \
351+ if (GET_CODE (addr) != PLUS) ; \
352+ else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \
353+ { \
354+ reg1 = XEXP (addr, 0); \
355+ addr = XEXP (addr, 1); \
356+ } \
357+ else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \
358+ { \
359+ reg1 = XEXP (addr, 1); \
360+ addr = XEXP (addr, 0); \
361+ } \
362+ else if (GET_CODE (XEXP (addr, 0)) == MULT) \
363+ { \
364+ reg1 = XEXP (addr, 0); \
365+ addr = XEXP (addr, 1); \
366+ } \
367+ else if (GET_CODE (XEXP (addr, 1)) == MULT) \
368+ { \
369+ reg1 = XEXP (addr, 1); \
370+ addr = XEXP (addr, 0); \
371+ } \
372+ else if (GET_CODE (XEXP (addr, 0)) == REG) \
373+ { \
374+ reg1 = XEXP (addr, 0); \
375+ addr = XEXP (addr, 1); \
376+ } \
377+ else if (GET_CODE (XEXP (addr, 1)) == REG) \
378+ { \
379+ reg1 = XEXP (addr, 1); \
380+ addr = XEXP (addr, 0); \
381+ } \
382+ if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \
383+ || GET_CODE (addr) == SIGN_EXTEND) \
384+ { if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \
385+ if (offset != 0) { if (addr != 0) abort (); addr = offset; } \
386+ if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \
387+ || GET_CODE (reg1) == MULT)) \
388+ || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \
389+ { breg = reg2; ireg = reg1; } \
390+ else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \
391+ { breg = reg1; ireg = reg2; } \
392+ if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \
393+ { int scale = 1; \
394+ if (GET_CODE (ireg) == MULT) \
395+ { scale = INTVAL (XEXP (ireg, 1)); \
396+ ireg = XEXP (ireg, 0); } \
397+ if (GET_CODE (ireg) == SIGN_EXTEND) \
398+ fprintf (FILE, "L%d-LI%d-2(pc,%s.w", \
399+ CODE_LABEL_NUMBER (XEXP (addr, 0)), \
400+ CODE_LABEL_NUMBER (XEXP (addr, 0)), \
401+ reg_names[REGNO (XEXP (ireg, 0))]); \
402+ else \
403+ fprintf (FILE, "L%d-LI%d-2(pc,%s.l", \
404+ CODE_LABEL_NUMBER (XEXP (addr, 0)), \
405+ CODE_LABEL_NUMBER (XEXP (addr, 0)), \
406+ reg_names[REGNO (ireg)]); \
407+ if (scale != 1) fprintf (FILE, ":%d", scale); \
408+ putc (')', FILE); \
409+ break; } \
410+ if (breg != 0 && ireg == 0 && GET_CODE (addr) == LABEL_REF) \
411+ { fprintf (FILE, "L%d-LI%d-2(pc,%s.l", \
412+ CODE_LABEL_NUMBER (XEXP (addr, 0)), \
413+ CODE_LABEL_NUMBER (XEXP (addr, 0)), \
414+ reg_names[REGNO (breg)]); \
415+ putc (')', FILE); \
416+ break; } \
417+ if (ireg != 0 || breg != 0) \
418+ { int scale = 1; \
419+ if (breg == 0) \
420+ abort (); \
421+ if (addr && GET_CODE (addr) == LABEL_REF) abort (); \
422+ if (addr != 0) \
423+ output_addr_const (FILE, addr); \
424+ fprintf (FILE, "(%s", reg_names[REGNO (breg)]); \
425+ if (breg != 0 && ireg != 0) \
426+ putc (',', FILE); \
427+ if (ireg != 0 && GET_CODE (ireg) == MULT) \
428+ { scale = INTVAL (XEXP (ireg, 1)); \
429+ ireg = XEXP (ireg, 0); } \
430+ if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \
431+ fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \
432+ else if (ireg != 0) \
433+ fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \
434+ if (scale != 1) fprintf (FILE, ":%d", scale); \
435+ putc (')', FILE); \
436+ break; \
437+ } \
438+ else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \
439+ { fprintf (FILE, "L%d-LI%d-2(pc,%s.l)", \
440+ CODE_LABEL_NUMBER (XEXP (addr, 0)), \
441+ CODE_LABEL_NUMBER (XEXP (addr, 0)), \
442+ reg_names[REGNO (reg1)]); \
443+ break; } \
444+ default: \
445+ if (GET_CODE (addr) == CONST_INT \
446+ && INTVAL (addr) < 0x8000 \
447+ && INTVAL (addr) >= -0x8000) \
448+ fprintf (FILE, "%d", INTVAL (addr)); \
449+ else \
450+ output_addr_const (FILE, addr); \
451+ }}
452+
453+#define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \
454+ fprintf (FILE, "\t; file\t\"%s\"\n", FILENAME)
455+
456+#define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO) \
457+ fprintf (FILE, "\t; ln\t%d\n", \
458+ (sdb_begin_function_line \
459+ ? last_linenum - sdb_begin_function_line : 1))
460+
461+/* This macro generates the assembly code for function entry.
462+ FILE is a stdio stream to output the code to.
463+ SIZE is an int: how many units of temporary storage to allocate.
464+ Refer to the array `regs_ever_live' to determine which registers
465+ to save; `regs_ever_live[I]' is nonzero if register number I
466+ is ever used in the function. This macro is responsible for
467+ knowing which registers should not be saved even if used. */
468+
469+/* Note that the order of the bit mask for fmovem is the opposite
470+ of the order for movem! */
471+
472+#undef FUNCTION_PROLOGUE
473+#define FUNCTION_PROLOGUE(FILE, SIZE) \
474+{ register int regno; \
475+ register int mask = 0; \
476+ extern char call_used_regs[]; \
477+ int fsize = ((SIZE) + 3) & -4; \
478+ /* unos stack probe */ \
479+ if ( fsize > 30000 ) { \
480+ fprintf (FILE, "\tmovel sp,a0\n"); \
481+ fprintf (FILE, "\taddl $-%d,a0\n", 2048 + fsize); \
482+ fprintf (FILE, "\ttstb (a0)\n"); \
483+ } else { \
484+ fprintf (FILE, "\ttstb -%d(sp)\n", 2048 + fsize); \
485+ } \
486+ if (frame_pointer_needed) \
487+ { if (TARGET_68020 || fsize < 0x8000) \
488+ fprintf (FILE, "\tlink a6,$%d\n", -fsize); \
489+ else \
490+ fprintf (FILE, "\tlink a6,$0\n\tsubl $%d,sp\n", fsize); } \
491+ for (regno = 24; regno < 56; regno++) \
492+ if (regs_ever_live[regno] && ! call_used_regs[regno]) \
493+ fprintf(FILE, "\tfpmoved %s, sp@-\n", \
494+ reg_names[regno]); \
495+ for (regno = 16; regno < 24; regno++) \
496+ if (regs_ever_live[regno] && ! call_used_regs[regno]) \
497+ mask |= 1 << (regno - 16); \
498+ if ((mask & 0xff) != 0) \
499+ fprintf (FILE, "\tfmovem $0x%x,-(sp)\n", mask & 0xff); \
500+ mask = 0; \
501+ for (regno = 0; regno < 16; regno++) \
502+ if (regs_ever_live[regno] && ! call_used_regs[regno]) \
503+ mask |= 1 << (15 - regno); \
504+ if (frame_pointer_needed) \
505+ mask &= ~ (1 << (15-FRAME_POINTER_REGNUM)); \
506+ if (exact_log2 (mask) >= 0) \
507+ fprintf (FILE, "\tmovel %s,-(sp)\n", reg_names[15 - exact_log2 (mask)]); \
508+ else if (mask) fprintf (FILE, "\tmovem $0x%x,-(sp)\n", mask); }
509+
510+/* Must put address in %a0 , not %d0 . -- LGM, 7/15/88 */
511+/* UNOS ?? */
512+#undef FUNCTION_PROFILER
513+#define FUNCTION_PROFILER(FILE, LABEL_NO) \
514+ fprintf (FILE, "\tmovl &LP%%%d,%%a0\n\tjsr mcount\n", (LABEL_NO))
515+
516+/* This macro generates the assembly code for function exit,
517+ on machines that need it. If FUNCTION_EPILOGUE is not defined
518+ then individual return instructions are generated for each
519+ return statement. Args are same as for FUNCTION_PROLOGUE.
520+
521+ The function epilogue should not depend on the current stack pointer!
522+ It should use the frame pointer only. This is mandatory because
523+ of alloca; we also take advantage of it to omit stack adjustments
524+ before returning. */
525+
526+#undef FUNCTION_EPILOGUE
527+#define FUNCTION_EPILOGUE(FILE, SIZE) \
528+{ register int regno; \
529+ register int mask, fmask; \
530+ register int nregs; \
531+ int offset, foffset, fpoffset; \
532+ extern char call_used_regs[]; \
533+ int fsize = ((SIZE) + 3) & -4; \
534+ int big = 0; \
535+ nregs = 0; fmask = 0; fpoffset = 0; \
536+ for (regno = 24 ; regno < 56 ; regno++) \
537+ if (regs_ever_live[regno] && ! call_used_regs[regno]) \
538+ nregs++; \
539+ fpoffset = nregs*8; \
540+ nregs = 0; \
541+ for (regno = 16; regno < 24; regno++) \
542+ if (regs_ever_live[regno] && ! call_used_regs[regno]) \
543+ { nregs++; fmask |= 1 << (23 - regno); } \
544+ foffset = fpoffset + nregs * 12; \
545+ nregs = 0; mask = 0; \
546+ if (frame_pointer_needed) regs_ever_live[FRAME_POINTER_REGNUM] = 0; \
547+ for (regno = 0; regno < 16; regno++) \
548+ if (regs_ever_live[regno] && ! call_used_regs[regno]) \
549+ { nregs++; mask |= 1 << regno; } \
550+ offset = foffset + nregs * 4; \
551+ if (offset + fsize >= 0x8000 \
552+ && frame_pointer_needed \
553+ && (mask || fmask || fpoffset)) \
554+ { fprintf (FILE, "\tmovel $%d,a0\n", -fsize); \
555+ fsize = 0, big = 1; } \
556+ if (exact_log2 (mask) >= 0) { \
557+ if (big) \
558+ fprintf (FILE, "\tmovel -%d(a6,a0.l),%s\n", \
559+ offset + fsize, reg_names[exact_log2 (mask)]); \
560+ else if (! frame_pointer_needed) \
561+ fprintf (FILE, "\tmovel (sp)+,%s\n", \
562+ reg_names[exact_log2 (mask)]); \
563+ else \
564+ fprintf (FILE, "\tmovel -%d(a6),%s\n", \
565+ offset + fsize, reg_names[exact_log2 (mask)]); } \
566+ else if (mask) { \
567+ if (big) \
568+ fprintf (FILE, "\tmovem -%d(a6,a0.l),$0x%x\n", \
569+ offset + fsize, mask); \
570+ else if (! frame_pointer_needed) \
571+ fprintf (FILE, "\tmovem (sp)+,$0x%x\n", mask); \
572+ else \
573+ fprintf (FILE, "\tmovem -%d(a6),$0x%x\n", \
574+ offset + fsize, mask); } \
575+ if (fmask) { \
576+ if (big) \
577+ fprintf (FILE, "\tfmovem -%d(a6,a0.l),$0x%x\n", \
578+ foffset + fsize, fmask); \
579+ else if (! frame_pointer_needed) \
580+ fprintf (FILE, "\tfmovem (sp)+,$0x%x\n", fmask); \
581+ else \
582+ fprintf (FILE, "\tfmovem -%d(a6),$0x%x\n", \
583+ foffset + fsize, fmask); } \
584+ if (fpoffset != 0) \
585+ for (regno = 55; regno >= 24; regno--) \
586+ if (regs_ever_live[regno] && ! call_used_regs[regno]) { \
587+ if (big) \
588+ fprintf(FILE, "\tfpmoved -%d(a6,a0.l), %s\n", \
589+ fpoffset + fsize, reg_names[regno]); \
590+ else if (! frame_pointer_needed) \
591+ fprintf(FILE, "\tfpmoved (sp)+, %s\n", \
592+ reg_names[regno]); \
593+ else \
594+ fprintf(FILE, "\tfpmoved -%d(a6), %s\n", \
595+ fpoffset + fsize, reg_names[regno]); \
596+ fpoffset -= 8; \
597+ } \
598+ if (frame_pointer_needed) \
599+ fprintf (FILE, "\tunlk a6\n"); \
600+ if (current_function_pops_args) \
601+ fprintf (FILE, "\trtd $%d\n", current_function_pops_args); \
602+ else fprintf (FILE, "\trts\n"); }
603+