1 /* Generate code from machine description to emit insns as rtl.
2 Copyright (C) 1987-2015 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
23 #include "coretypes.h"
28 #include "gensupport.h"
31 static int insn_code_number
;
32 static int insn_index_number
;
34 /* Data structure for recording the patterns of insns that have CLOBBERs.
35 We use this to output a function that adds these CLOBBERs to a
36 previously-allocated PARALLEL expression. */
40 struct clobber_ent
*insns
;
43 struct clobber_pat
*next
;
47 /* Records one insn that uses the clobber list. */
51 int code_number
; /* Counts only insns. */
52 struct clobber_ent
*next
;
55 static void print_code (RTX_CODE
);
56 static void gen_exp (rtx
, enum rtx_code
, char *);
57 static void gen_insn (rtx
, int);
58 static void gen_expand (rtx
);
59 static void gen_split (rtx
);
60 static void output_add_clobbers (void);
61 static void output_added_clobbers_hard_reg_p (void);
62 static void gen_rtx_scratch (rtx
, enum rtx_code
);
63 static void output_peephole2_scratches (rtx
);
67 print_code (RTX_CODE code
)
70 for (p1
= GET_RTX_NAME (code
); *p1
; p1
++)
71 putchar (TOUPPER (*p1
));
75 gen_rtx_scratch (rtx x
, enum rtx_code subroutine_type
)
77 if (subroutine_type
== DEFINE_PEEPHOLE2
)
79 printf ("operand%d", XINT (x
, 0));
83 printf ("gen_rtx_SCRATCH (%smode)", GET_MODE_NAME (GET_MODE (x
)));
87 /* Print a C expression to construct an RTX just like X,
88 substituting any operand references appearing within. */
91 gen_exp (rtx x
, enum rtx_code subroutine_type
, char *used
)
113 if (used
[XINT (x
, 0)])
115 printf ("copy_rtx (operand%d)", XINT (x
, 0));
118 used
[XINT (x
, 0)] = 1;
120 printf ("operand%d", XINT (x
, 0));
124 printf ("gen_rtx_fmt_");
125 for (i
= 0; i
< XVECLEN (x
, 1); i
++)
127 printf (" (GET_CODE (operand%d), ", XINT (x
, 0));
128 if (GET_MODE (x
) == VOIDmode
)
129 printf ("GET_MODE (operand%d)", XINT (x
, 0));
131 printf ("%smode", GET_MODE_NAME (GET_MODE (x
)));
132 for (i
= 0; i
< XVECLEN (x
, 1); i
++)
135 gen_exp (XVECEXP (x
, 1, i
), subroutine_type
, used
);
141 printf ("gen_rtx_fmt_");
142 for (i
= 0; i
< XVECLEN (x
, 2); i
++)
144 printf (" (GET_CODE (operand%d)", XINT (x
, 0));
145 printf (", %smode", GET_MODE_NAME (GET_MODE (x
)));
146 for (i
= 0; i
< XVECLEN (x
, 2); i
++)
149 gen_exp (XVECEXP (x
, 2, i
), subroutine_type
, used
);
156 printf ("operand%d", XINT (x
, 0));
160 gen_rtx_scratch (x
, subroutine_type
);
170 printf ("simple_return_rtx");
173 if (REG_P (XEXP (x
, 0)))
175 printf ("gen_hard_reg_clobber (%smode, %i)", GET_MODE_NAME (GET_MODE (XEXP (x
, 0))),
176 REGNO (XEXP (x
, 0)));
187 printf ("const0_rtx");
188 else if (INTVAL (x
) == 1)
189 printf ("const1_rtx");
190 else if (INTVAL (x
) == -1)
191 printf ("constm1_rtx");
192 else if (-MAX_SAVED_CONST_INT
<= INTVAL (x
)
193 && INTVAL (x
) <= MAX_SAVED_CONST_INT
)
194 printf ("const_int_rtx[MAX_SAVED_CONST_INT + (%d)]",
196 else if (INTVAL (x
) == STORE_FLAG_VALUE
)
197 printf ("const_true_rtx");
200 printf ("GEN_INT (");
201 printf (HOST_WIDE_INT_PRINT_DEC_C
, INTVAL (x
));
209 /* These shouldn't be written in MD files. Instead, the appropriate
210 routines in varasm.c should be called. */
220 if (!always_void_p (code
))
222 printf ("%smode", GET_MODE_NAME (GET_MODE (x
)));
226 fmt
= GET_RTX_FORMAT (code
);
227 len
= GET_RTX_LENGTH (code
);
228 for (i
= 0; i
< len
; i
++)
236 gen_exp (XEXP (x
, i
), subroutine_type
, used
);
240 printf ("%u", XINT (x
, i
));
244 printf ("\"%s\"", XSTR (x
, i
));
250 printf ("gen_rtvec (%d", XVECLEN (x
, i
));
251 for (j
= 0; j
< XVECLEN (x
, i
); j
++)
254 gen_exp (XVECEXP (x
, i
, j
), subroutine_type
, used
);
268 /* Generate the `gen_...' function for a DEFINE_INSN. */
271 gen_insn (rtx insn
, int lineno
)
273 struct pattern_stats stats
;
276 /* See if the pattern for this insn ends with a group of CLOBBERs of (hard)
277 registers or MATCH_SCRATCHes. If so, store away the information for
282 int has_hard_reg
= 0;
284 for (i
= XVECLEN (insn
, 1) - 1; i
> 0; i
--)
286 if (GET_CODE (XVECEXP (insn
, 1, i
)) != CLOBBER
)
289 if (REG_P (XEXP (XVECEXP (insn
, 1, i
), 0)))
291 else if (GET_CODE (XEXP (XVECEXP (insn
, 1, i
), 0)) != MATCH_SCRATCH
)
295 if (i
!= XVECLEN (insn
, 1) - 1)
297 struct clobber_pat
*p
;
298 struct clobber_ent
*link
= XNEW (struct clobber_ent
);
301 link
->code_number
= insn_code_number
;
303 /* See if any previous CLOBBER_LIST entry is the same as this
306 for (p
= clobber_list
; p
; p
= p
->next
)
308 if (p
->first_clobber
!= i
+ 1
309 || XVECLEN (p
->pattern
, 1) != XVECLEN (insn
, 1))
312 for (j
= i
+ 1; j
< XVECLEN (insn
, 1); j
++)
314 rtx old_rtx
= XEXP (XVECEXP (p
->pattern
, 1, j
), 0);
315 rtx new_rtx
= XEXP (XVECEXP (insn
, 1, j
), 0);
317 /* OLD and NEW_INSN are the same if both are to be a SCRATCH
319 or if both are registers of the same mode and number. */
320 if (! (GET_MODE (old_rtx
) == GET_MODE (new_rtx
)
321 && ((GET_CODE (old_rtx
) == MATCH_SCRATCH
322 && GET_CODE (new_rtx
) == MATCH_SCRATCH
)
323 || (REG_P (old_rtx
) && REG_P (new_rtx
)
324 && REGNO (old_rtx
) == REGNO (new_rtx
)))))
328 if (j
== XVECLEN (insn
, 1))
334 p
= XNEW (struct clobber_pat
);
338 p
->first_clobber
= i
+ 1;
339 p
->next
= clobber_list
;
340 p
->has_hard_reg
= has_hard_reg
;
344 link
->next
= p
->insns
;
349 /* Don't mention instructions whose names are the null string
350 or begin with '*'. They are in the machine description just
352 if (XSTR (insn
, 0)[0] == 0 || XSTR (insn
, 0)[0] == '*')
355 printf ("/* %s:%d */\n", read_md_filename
, lineno
);
357 /* Find out how many operands this function has. */
358 get_pattern_stats (&stats
, XVEC (insn
, 1));
359 if (stats
.max_dup_opno
> stats
.max_opno
)
360 fatal ("match_dup operand number has no match_operand");
362 /* Output the function name and argument declarations. */
363 printf ("rtx\ngen_%s (", XSTR (insn
, 0));
364 if (stats
.num_generator_args
)
365 for (i
= 0; i
< stats
.num_generator_args
; i
++)
367 printf (",\n\trtx operand%d ATTRIBUTE_UNUSED", i
);
369 printf ("rtx operand%d ATTRIBUTE_UNUSED", i
);
375 /* Output code to construct and return the rtl for the instruction body. */
377 if (XVECLEN (insn
, 1) == 1)
380 gen_exp (XVECEXP (insn
, 1, 0), DEFINE_INSN
, NULL
);
385 char *used
= XCNEWVEC (char, stats
.num_generator_args
);
387 printf (" return gen_rtx_PARALLEL (VOIDmode, gen_rtvec (%d",
390 for (i
= 0; i
< XVECLEN (insn
, 1); i
++)
393 gen_exp (XVECEXP (insn
, 1, i
), DEFINE_INSN
, used
);
395 printf ("));\n}\n\n");
400 /* Generate the `gen_...' function for a DEFINE_EXPAND. */
403 gen_expand (rtx expand
)
405 struct pattern_stats stats
;
409 if (strlen (XSTR (expand
, 0)) == 0)
410 fatal ("define_expand lacks a name");
411 if (XVEC (expand
, 1) == 0)
412 fatal ("define_expand for %s lacks a pattern", XSTR (expand
, 0));
414 /* Find out how many operands this function has. */
415 get_pattern_stats (&stats
, XVEC (expand
, 1));
417 /* Output the function name and argument declarations. */
418 printf ("rtx\ngen_%s (", XSTR (expand
, 0));
419 if (stats
.num_generator_args
)
420 for (i
= 0; i
< stats
.num_generator_args
; i
++)
422 printf (",\n\trtx operand%d", i
);
424 printf ("rtx operand%d", i
);
430 /* If we don't have any C code to write, only one insn is being written,
431 and no MATCH_DUPs are present, we can just return the desired insn
432 like we do for a DEFINE_INSN. This saves memory. */
433 if ((XSTR (expand
, 3) == 0 || *XSTR (expand
, 3) == '\0')
434 && stats
.max_opno
>= stats
.max_dup_opno
435 && XVECLEN (expand
, 1) == 1)
438 gen_exp (XVECEXP (expand
, 1, 0), DEFINE_EXPAND
, NULL
);
443 /* For each operand referred to only with MATCH_DUPs,
444 make a local variable. */
445 for (i
= stats
.num_generator_args
; i
<= stats
.max_dup_opno
; i
++)
446 printf (" rtx operand%d;\n", i
);
447 for (; i
<= stats
.max_scratch_opno
; i
++)
448 printf (" rtx operand%d ATTRIBUTE_UNUSED;\n", i
);
449 printf (" rtx _val = 0;\n");
450 printf (" start_sequence ();\n");
452 /* The fourth operand of DEFINE_EXPAND is some code to be executed
453 before the actual construction.
454 This code expects to refer to `operands'
455 just as the output-code in a DEFINE_INSN does,
456 but here `operands' is an automatic array.
457 So copy the operand values there before executing it. */
458 if (XSTR (expand
, 3) && *XSTR (expand
, 3))
461 if (stats
.num_operand_vars
> 0)
462 printf (" rtx operands[%d];\n", stats
.num_operand_vars
);
464 /* Output code to copy the arguments into `operands'. */
465 for (i
= 0; i
< stats
.num_generator_args
; i
++)
466 printf (" operands[%d] = operand%d;\n", i
, i
);
468 /* Output the special code to be executed before the sequence
470 print_md_ptr_loc (XSTR (expand
, 3));
471 printf ("%s\n", XSTR (expand
, 3));
473 /* Output code to copy the arguments back out of `operands'
474 (unless we aren't going to use them at all). */
475 if (XVEC (expand
, 1) != 0)
477 for (i
= 0; i
< stats
.num_operand_vars
; i
++)
479 printf (" operand%d = operands[%d];\n", i
, i
);
480 printf (" (void) operand%d;\n", i
);
486 /* Output code to construct the rtl for the instruction bodies.
487 Use emit_insn to add them to the sequence being accumulated.
488 But don't do this if the user's code has set `no_more' nonzero. */
490 used
= XCNEWVEC (char, stats
.num_operand_vars
);
492 for (i
= 0; i
< XVECLEN (expand
, 1); i
++)
494 rtx next
= XVECEXP (expand
, 1, i
);
495 if ((GET_CODE (next
) == SET
&& GET_CODE (SET_DEST (next
)) == PC
)
496 || (GET_CODE (next
) == PARALLEL
497 && ((GET_CODE (XVECEXP (next
, 0, 0)) == SET
498 && GET_CODE (SET_DEST (XVECEXP (next
, 0, 0))) == PC
)
499 || ANY_RETURN_P (XVECEXP (next
, 0, 0))))
500 || ANY_RETURN_P (next
))
501 printf (" emit_jump_insn (");
502 else if ((GET_CODE (next
) == SET
&& GET_CODE (SET_SRC (next
)) == CALL
)
503 || GET_CODE (next
) == CALL
504 || (GET_CODE (next
) == PARALLEL
505 && GET_CODE (XVECEXP (next
, 0, 0)) == SET
506 && GET_CODE (SET_SRC (XVECEXP (next
, 0, 0))) == CALL
)
507 || (GET_CODE (next
) == PARALLEL
508 && GET_CODE (XVECEXP (next
, 0, 0)) == CALL
))
509 printf (" emit_call_insn (");
510 else if (LABEL_P (next
))
511 printf (" emit_label (");
512 else if (GET_CODE (next
) == MATCH_OPERAND
513 || GET_CODE (next
) == MATCH_DUP
514 || GET_CODE (next
) == MATCH_OPERATOR
515 || GET_CODE (next
) == MATCH_OP_DUP
516 || GET_CODE (next
) == MATCH_PARALLEL
517 || GET_CODE (next
) == MATCH_PAR_DUP
518 || GET_CODE (next
) == PARALLEL
)
521 printf (" emit_insn (");
522 gen_exp (next
, DEFINE_EXPAND
, used
);
524 if (GET_CODE (next
) == SET
&& GET_CODE (SET_DEST (next
)) == PC
525 && GET_CODE (SET_SRC (next
)) == LABEL_REF
)
526 printf (" emit_barrier ();");
531 /* Call `get_insns' to extract the list of all the
532 insns emitted within this gen_... function. */
534 printf (" _val = get_insns ();\n");
535 printf (" end_sequence ();\n");
536 printf (" return _val;\n}\n\n");
539 /* Like gen_expand, but generates insns resulting from splitting SPLIT. */
542 gen_split (rtx split
)
544 struct pattern_stats stats
;
546 const char *const name
=
547 ((GET_CODE (split
) == DEFINE_PEEPHOLE2
) ? "peephole2" : "split");
551 if (XVEC (split
, 0) == 0)
552 fatal ("define_%s (definition %d) lacks a pattern", name
,
554 else if (XVEC (split
, 2) == 0)
555 fatal ("define_%s (definition %d) lacks a replacement pattern", name
,
558 /* Find out how many operands this function has. */
560 get_pattern_stats (&stats
, XVEC (split
, 2));
561 unused
= (stats
.num_operand_vars
== 0 ? " ATTRIBUTE_UNUSED" : "");
562 used
= XCNEWVEC (char, stats
.num_operand_vars
);
564 /* Output the prototype, function name and argument declarations. */
565 if (GET_CODE (split
) == DEFINE_PEEPHOLE2
)
567 printf ("extern rtx gen_%s_%d (rtx_insn *, rtx *);\n",
568 name
, insn_code_number
);
569 printf ("rtx\ngen_%s_%d (rtx_insn *curr_insn ATTRIBUTE_UNUSED, rtx *operands%s)\n",
570 name
, insn_code_number
, unused
);
574 printf ("extern rtx gen_split_%d (rtx_insn *, rtx *);\n", insn_code_number
);
575 printf ("rtx\ngen_split_%d (rtx_insn *curr_insn ATTRIBUTE_UNUSED, rtx *operands%s)\n",
576 insn_code_number
, unused
);
580 /* Declare all local variables. */
581 for (i
= 0; i
< stats
.num_operand_vars
; i
++)
582 printf (" rtx operand%d;\n", i
);
583 printf (" rtx _val = 0;\n");
585 if (GET_CODE (split
) == DEFINE_PEEPHOLE2
)
586 output_peephole2_scratches (split
);
588 printf (" if (dump_file)\n");
589 printf (" fprintf (dump_file, \"Splitting with gen_%s_%d\\n\");\n",
590 name
, insn_code_number
);
592 printf (" start_sequence ();\n");
594 /* The fourth operand of DEFINE_SPLIT is some code to be executed
595 before the actual construction. */
599 print_md_ptr_loc (XSTR (split
, 3));
600 printf ("%s\n", XSTR (split
, 3));
603 /* Output code to copy the arguments back out of `operands' */
604 for (i
= 0; i
< stats
.num_operand_vars
; i
++)
606 printf (" operand%d = operands[%d];\n", i
, i
);
607 printf (" (void) operand%d;\n", i
);
610 /* Output code to construct the rtl for the instruction bodies.
611 Use emit_insn to add them to the sequence being accumulated.
612 But don't do this if the user's code has set `no_more' nonzero. */
614 for (i
= 0; i
< XVECLEN (split
, 2); i
++)
616 rtx next
= XVECEXP (split
, 2, i
);
617 if ((GET_CODE (next
) == SET
&& GET_CODE (SET_DEST (next
)) == PC
)
618 || (GET_CODE (next
) == PARALLEL
619 && GET_CODE (XVECEXP (next
, 0, 0)) == SET
620 && GET_CODE (SET_DEST (XVECEXP (next
, 0, 0))) == PC
)
621 || ANY_RETURN_P (next
))
622 printf (" emit_jump_insn (");
623 else if ((GET_CODE (next
) == SET
&& GET_CODE (SET_SRC (next
)) == CALL
)
624 || GET_CODE (next
) == CALL
625 || (GET_CODE (next
) == PARALLEL
626 && GET_CODE (XVECEXP (next
, 0, 0)) == SET
627 && GET_CODE (SET_SRC (XVECEXP (next
, 0, 0))) == CALL
)
628 || (GET_CODE (next
) == PARALLEL
629 && GET_CODE (XVECEXP (next
, 0, 0)) == CALL
))
630 printf (" emit_call_insn (");
631 else if (LABEL_P (next
))
632 printf (" emit_label (");
633 else if (GET_CODE (next
) == MATCH_OPERAND
634 || GET_CODE (next
) == MATCH_OPERATOR
635 || GET_CODE (next
) == MATCH_PARALLEL
636 || GET_CODE (next
) == MATCH_OP_DUP
637 || GET_CODE (next
) == MATCH_DUP
638 || GET_CODE (next
) == PARALLEL
)
641 printf (" emit_insn (");
642 gen_exp (next
, GET_CODE (split
), used
);
644 if (GET_CODE (next
) == SET
&& GET_CODE (SET_DEST (next
)) == PC
645 && GET_CODE (SET_SRC (next
)) == LABEL_REF
)
646 printf (" emit_barrier ();");
649 /* Call `get_insns' to make a list of all the
650 insns emitted within this gen_... function. */
652 printf (" _val = get_insns ();\n");
653 printf (" end_sequence ();\n");
654 printf (" return _val;\n}\n\n");
659 /* Write a function, `add_clobbers', that is given a PARALLEL of sufficient
660 size for the insn and an INSN_CODE, and inserts the required CLOBBERs at
661 the end of the vector. */
664 output_add_clobbers (void)
666 struct clobber_pat
*clobber
;
667 struct clobber_ent
*ent
;
670 printf ("\n\nvoid\nadd_clobbers (rtx pattern ATTRIBUTE_UNUSED, int insn_code_number)\n");
672 printf (" switch (insn_code_number)\n");
675 for (clobber
= clobber_list
; clobber
; clobber
= clobber
->next
)
677 for (ent
= clobber
->insns
; ent
; ent
= ent
->next
)
678 printf (" case %d:\n", ent
->code_number
);
680 for (i
= clobber
->first_clobber
; i
< XVECLEN (clobber
->pattern
, 1); i
++)
682 printf (" XVECEXP (pattern, 0, %d) = ", i
);
683 gen_exp (XVECEXP (clobber
->pattern
, 1, i
),
684 GET_CODE (clobber
->pattern
), NULL
);
688 printf (" break;\n\n");
691 printf (" default:\n");
692 printf (" gcc_unreachable ();\n");
697 /* Write a function, `added_clobbers_hard_reg_p' that is given an insn_code
698 number that will have clobbers added (as indicated by `recog') and returns
699 1 if those include a clobber of a hard reg or 0 if all of them just clobber
703 output_added_clobbers_hard_reg_p (void)
705 struct clobber_pat
*clobber
;
706 struct clobber_ent
*ent
;
709 printf ("\n\nint\nadded_clobbers_hard_reg_p (int insn_code_number)\n");
711 printf (" switch (insn_code_number)\n");
714 for (clobber_p
= 0; clobber_p
<= 1; clobber_p
++)
717 for (clobber
= clobber_list
; clobber
; clobber
= clobber
->next
)
718 if (clobber
->has_hard_reg
== clobber_p
)
719 for (ent
= clobber
->insns
; ent
; ent
= ent
->next
)
721 printf (" case %d:\n", ent
->code_number
);
726 printf (" return %d;\n\n", clobber_p
);
729 printf (" default:\n");
730 printf (" gcc_unreachable ();\n");
735 /* Generate code to invoke find_free_register () as needed for the
736 scratch registers used by the peephole2 pattern in SPLIT. */
739 output_peephole2_scratches (rtx split
)
745 for (i
= 0; i
< XVECLEN (split
, 0); i
++)
747 rtx elt
= XVECEXP (split
, 0, i
);
748 if (GET_CODE (elt
) == MATCH_SCRATCH
)
750 int last_insn_nr
= insn_nr
;
751 int cur_insn_nr
= insn_nr
;
753 for (j
= i
+ 1; j
< XVECLEN (split
, 0); j
++)
754 if (GET_CODE (XVECEXP (split
, 0, j
)) == MATCH_DUP
)
756 if (XINT (XVECEXP (split
, 0, j
), 0) == XINT (elt
, 0))
757 last_insn_nr
= cur_insn_nr
;
759 else if (GET_CODE (XVECEXP (split
, 0, j
)) != MATCH_SCRATCH
)
764 printf (" HARD_REG_SET _regs_allocated;\n");
765 printf (" CLEAR_HARD_REG_SET (_regs_allocated);\n");
769 printf (" if ((operands[%d] = peep2_find_free_register (%d, %d, \"%s\", %smode, &_regs_allocated)) == NULL_RTX)\n\
772 insn_nr
, last_insn_nr
,
774 GET_MODE_NAME (GET_MODE (elt
)));
777 else if (GET_CODE (elt
) != MATCH_DUP
)
783 main (int argc
, char **argv
)
787 progname
= "genemit";
789 if (!init_rtx_reader_args (argc
, argv
))
790 return (FATAL_EXIT_CODE
);
792 /* Assign sequential codes to all entries in the machine description
793 in parallel with the tables in insn-output.c. */
795 insn_code_number
= 0;
796 insn_index_number
= 0;
798 printf ("/* Generated automatically by the program `genemit'\n\
799 from the machine description file `md'. */\n\n");
801 printf ("#include \"config.h\"\n");
802 printf ("#include \"system.h\"\n");
803 printf ("#include \"coretypes.h\"\n");
804 printf ("#include \"tm.h\"\n");
805 printf ("#include \"hash-set.h\"\n");
806 printf ("#include \"machmode.h\"\n");
807 printf ("#include \"vec.h\"\n");
808 printf ("#include \"double-int.h\"\n");
809 printf ("#include \"input.h\"\n");
810 printf ("#include \"alias.h\"\n");
811 printf ("#include \"symtab.h\"\n");
812 printf ("#include \"wide-int.h\"\n");
813 printf ("#include \"inchash.h\"\n");
814 printf ("#include \"tree.h\"\n");
815 printf ("#include \"varasm.h\"\n");
816 printf ("#include \"stor-layout.h\"\n");
817 printf ("#include \"calls.h\"\n");
818 printf ("#include \"rtl.h\"\n");
819 printf ("#include \"tm_p.h\"\n");
820 printf ("#include \"hashtab.h\"\n");
821 printf ("#include \"hard-reg-set.h\"\n");
822 printf ("#include \"function.h\"\n");
823 printf ("#include \"flags.h\"\n");
824 printf ("#include \"statistics.h\"\n");
825 printf ("#include \"real.h\"\n");
826 printf ("#include \"fixed-value.h\"\n");
827 printf ("#include \"insn-config.h\"\n");
828 printf ("#include \"expmed.h\"\n");
829 printf ("#include \"dojump.h\"\n");
830 printf ("#include \"explow.h\"\n");
831 printf ("#include \"emit-rtl.h\"\n");
832 printf ("#include \"stmt.h\"\n");
833 printf ("#include \"expr.h\"\n");
834 printf ("#include \"insn-codes.h\"\n");
835 printf ("#include \"optabs.h\"\n");
836 printf ("#include \"dfp.h\"\n");
837 printf ("#include \"output.h\"\n");
838 printf ("#include \"recog.h\"\n");
839 printf ("#include \"predict.h\"\n");
840 printf ("#include \"basic-block.h\"\n");
841 printf ("#include \"resource.h\"\n");
842 printf ("#include \"reload.h\"\n");
843 printf ("#include \"diagnostic-core.h\"\n");
844 printf ("#include \"regs.h\"\n");
845 printf ("#include \"tm-constrs.h\"\n");
846 printf ("#include \"ggc.h\"\n");
847 printf ("#include \"basic-block.h\"\n");
848 printf ("#include \"dumpfile.h\"\n");
849 printf ("#include \"target.h\"\n\n");
850 printf ("#define FAIL return (end_sequence (), _val)\n");
851 printf ("#define DONE return (_val = get_insns (), end_sequence (), _val)\n\n");
853 /* Read the machine description. */
859 desc
= read_md_rtx (&line_no
, &insn_code_number
);
863 switch (GET_CODE (desc
))
866 gen_insn (desc
, line_no
);
870 printf ("/* %s:%d */\n", read_md_filename
, line_no
);
875 printf ("/* %s:%d */\n", read_md_filename
, line_no
);
879 case DEFINE_PEEPHOLE2
:
880 printf ("/* %s:%d */\n", read_md_filename
, line_no
);
890 /* Write out the routines to add CLOBBERs to a pattern and say whether they
891 clobber a hard reg. */
892 output_add_clobbers ();
893 output_added_clobbers_hard_reg_p ();
896 return (ferror (stdout
) != 0 ? FATAL_EXIT_CODE
: SUCCESS_EXIT_CODE
);