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