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 ("%u", REGNO (x
));
248 printf ("\"%s\"", XSTR (x
, i
));
254 printf ("gen_rtvec (%d", XVECLEN (x
, i
));
255 for (j
= 0; j
< XVECLEN (x
, i
); j
++)
258 gen_exp (XVECEXP (x
, i
, j
), subroutine_type
, used
);
272 /* Generate the `gen_...' function for a DEFINE_INSN. */
275 gen_insn (rtx insn
, int lineno
)
277 struct pattern_stats stats
;
280 /* See if the pattern for this insn ends with a group of CLOBBERs of (hard)
281 registers or MATCH_SCRATCHes. If so, store away the information for
286 int has_hard_reg
= 0;
288 for (i
= XVECLEN (insn
, 1) - 1; i
> 0; i
--)
290 if (GET_CODE (XVECEXP (insn
, 1, i
)) != CLOBBER
)
293 if (REG_P (XEXP (XVECEXP (insn
, 1, i
), 0)))
295 else if (GET_CODE (XEXP (XVECEXP (insn
, 1, i
), 0)) != MATCH_SCRATCH
)
299 if (i
!= XVECLEN (insn
, 1) - 1)
301 struct clobber_pat
*p
;
302 struct clobber_ent
*link
= XNEW (struct clobber_ent
);
305 link
->code_number
= insn_code_number
;
307 /* See if any previous CLOBBER_LIST entry is the same as this
310 for (p
= clobber_list
; p
; p
= p
->next
)
312 if (p
->first_clobber
!= i
+ 1
313 || XVECLEN (p
->pattern
, 1) != XVECLEN (insn
, 1))
316 for (j
= i
+ 1; j
< XVECLEN (insn
, 1); j
++)
318 rtx old_rtx
= XEXP (XVECEXP (p
->pattern
, 1, j
), 0);
319 rtx new_rtx
= XEXP (XVECEXP (insn
, 1, j
), 0);
321 /* OLD and NEW_INSN are the same if both are to be a SCRATCH
323 or if both are registers of the same mode and number. */
324 if (! (GET_MODE (old_rtx
) == GET_MODE (new_rtx
)
325 && ((GET_CODE (old_rtx
) == MATCH_SCRATCH
326 && GET_CODE (new_rtx
) == MATCH_SCRATCH
)
327 || (REG_P (old_rtx
) && REG_P (new_rtx
)
328 && REGNO (old_rtx
) == REGNO (new_rtx
)))))
332 if (j
== XVECLEN (insn
, 1))
338 p
= XNEW (struct clobber_pat
);
342 p
->first_clobber
= i
+ 1;
343 p
->next
= clobber_list
;
344 p
->has_hard_reg
= has_hard_reg
;
348 link
->next
= p
->insns
;
353 /* Don't mention instructions whose names are the null string
354 or begin with '*'. They are in the machine description just
356 if (XSTR (insn
, 0)[0] == 0 || XSTR (insn
, 0)[0] == '*')
359 printf ("/* %s:%d */\n", read_md_filename
, lineno
);
361 /* Find out how many operands this function has. */
362 get_pattern_stats (&stats
, XVEC (insn
, 1));
363 if (stats
.max_dup_opno
> stats
.max_opno
)
364 fatal ("match_dup operand number has no match_operand");
366 /* Output the function name and argument declarations. */
367 printf ("rtx\ngen_%s (", XSTR (insn
, 0));
368 if (stats
.num_generator_args
)
369 for (i
= 0; i
< stats
.num_generator_args
; i
++)
371 printf (",\n\trtx operand%d ATTRIBUTE_UNUSED", i
);
373 printf ("rtx operand%d ATTRIBUTE_UNUSED", i
);
379 /* Output code to construct and return the rtl for the instruction body. */
381 if (XVECLEN (insn
, 1) == 1)
384 gen_exp (XVECEXP (insn
, 1, 0), DEFINE_INSN
, NULL
);
389 char *used
= XCNEWVEC (char, stats
.num_generator_args
);
391 printf (" return gen_rtx_PARALLEL (VOIDmode, gen_rtvec (%d",
394 for (i
= 0; i
< XVECLEN (insn
, 1); i
++)
397 gen_exp (XVECEXP (insn
, 1, i
), DEFINE_INSN
, used
);
399 printf ("));\n}\n\n");
404 /* Generate the `gen_...' function for a DEFINE_EXPAND. */
407 gen_expand (rtx expand
)
409 struct pattern_stats stats
;
413 if (strlen (XSTR (expand
, 0)) == 0)
414 fatal ("define_expand lacks a name");
415 if (XVEC (expand
, 1) == 0)
416 fatal ("define_expand for %s lacks a pattern", XSTR (expand
, 0));
418 /* Find out how many operands this function has. */
419 get_pattern_stats (&stats
, XVEC (expand
, 1));
421 /* Output the function name and argument declarations. */
422 printf ("rtx\ngen_%s (", XSTR (expand
, 0));
423 if (stats
.num_generator_args
)
424 for (i
= 0; i
< stats
.num_generator_args
; i
++)
426 printf (",\n\trtx operand%d", i
);
428 printf ("rtx operand%d", i
);
434 /* If we don't have any C code to write, only one insn is being written,
435 and no MATCH_DUPs are present, we can just return the desired insn
436 like we do for a DEFINE_INSN. This saves memory. */
437 if ((XSTR (expand
, 3) == 0 || *XSTR (expand
, 3) == '\0')
438 && stats
.max_opno
>= stats
.max_dup_opno
439 && XVECLEN (expand
, 1) == 1)
442 gen_exp (XVECEXP (expand
, 1, 0), DEFINE_EXPAND
, NULL
);
447 /* For each operand referred to only with MATCH_DUPs,
448 make a local variable. */
449 for (i
= stats
.num_generator_args
; i
<= stats
.max_dup_opno
; i
++)
450 printf (" rtx operand%d;\n", i
);
451 for (; i
<= stats
.max_scratch_opno
; i
++)
452 printf (" rtx operand%d ATTRIBUTE_UNUSED;\n", i
);
453 printf (" rtx _val = 0;\n");
454 printf (" start_sequence ();\n");
456 /* The fourth operand of DEFINE_EXPAND is some code to be executed
457 before the actual construction.
458 This code expects to refer to `operands'
459 just as the output-code in a DEFINE_INSN does,
460 but here `operands' is an automatic array.
461 So copy the operand values there before executing it. */
462 if (XSTR (expand
, 3) && *XSTR (expand
, 3))
465 if (stats
.num_operand_vars
> 0)
466 printf (" rtx operands[%d];\n", stats
.num_operand_vars
);
468 /* Output code to copy the arguments into `operands'. */
469 for (i
= 0; i
< stats
.num_generator_args
; i
++)
470 printf (" operands[%d] = operand%d;\n", i
, i
);
472 /* Output the special code to be executed before the sequence
474 print_md_ptr_loc (XSTR (expand
, 3));
475 printf ("%s\n", XSTR (expand
, 3));
477 /* Output code to copy the arguments back out of `operands'
478 (unless we aren't going to use them at all). */
479 if (XVEC (expand
, 1) != 0)
481 for (i
= 0; i
< stats
.num_operand_vars
; i
++)
483 printf (" operand%d = operands[%d];\n", i
, i
);
484 printf (" (void) operand%d;\n", i
);
490 /* Output code to construct the rtl for the instruction bodies.
491 Use emit_insn to add them to the sequence being accumulated.
492 But don't do this if the user's code has set `no_more' nonzero. */
494 used
= XCNEWVEC (char, stats
.num_operand_vars
);
496 for (i
= 0; i
< XVECLEN (expand
, 1); i
++)
498 rtx next
= XVECEXP (expand
, 1, i
);
499 if ((GET_CODE (next
) == SET
&& GET_CODE (SET_DEST (next
)) == PC
)
500 || (GET_CODE (next
) == PARALLEL
501 && ((GET_CODE (XVECEXP (next
, 0, 0)) == SET
502 && GET_CODE (SET_DEST (XVECEXP (next
, 0, 0))) == PC
)
503 || ANY_RETURN_P (XVECEXP (next
, 0, 0))))
504 || ANY_RETURN_P (next
))
505 printf (" emit_jump_insn (");
506 else if ((GET_CODE (next
) == SET
&& GET_CODE (SET_SRC (next
)) == CALL
)
507 || GET_CODE (next
) == CALL
508 || (GET_CODE (next
) == PARALLEL
509 && GET_CODE (XVECEXP (next
, 0, 0)) == SET
510 && GET_CODE (SET_SRC (XVECEXP (next
, 0, 0))) == CALL
)
511 || (GET_CODE (next
) == PARALLEL
512 && GET_CODE (XVECEXP (next
, 0, 0)) == CALL
))
513 printf (" emit_call_insn (");
514 else if (LABEL_P (next
))
515 printf (" emit_label (");
516 else if (GET_CODE (next
) == MATCH_OPERAND
517 || GET_CODE (next
) == MATCH_DUP
518 || GET_CODE (next
) == MATCH_OPERATOR
519 || GET_CODE (next
) == MATCH_OP_DUP
520 || GET_CODE (next
) == MATCH_PARALLEL
521 || GET_CODE (next
) == MATCH_PAR_DUP
522 || GET_CODE (next
) == PARALLEL
)
525 printf (" emit_insn (");
526 gen_exp (next
, DEFINE_EXPAND
, used
);
528 if (GET_CODE (next
) == SET
&& GET_CODE (SET_DEST (next
)) == PC
529 && GET_CODE (SET_SRC (next
)) == LABEL_REF
)
530 printf (" emit_barrier ();");
535 /* Call `get_insns' to extract the list of all the
536 insns emitted within this gen_... function. */
538 printf (" _val = get_insns ();\n");
539 printf (" end_sequence ();\n");
540 printf (" return _val;\n}\n\n");
543 /* Like gen_expand, but generates insns resulting from splitting SPLIT. */
546 gen_split (rtx split
)
548 struct pattern_stats stats
;
550 const char *const name
=
551 ((GET_CODE (split
) == DEFINE_PEEPHOLE2
) ? "peephole2" : "split");
555 if (XVEC (split
, 0) == 0)
556 fatal ("define_%s (definition %d) lacks a pattern", name
,
558 else if (XVEC (split
, 2) == 0)
559 fatal ("define_%s (definition %d) lacks a replacement pattern", name
,
562 /* Find out how many operands this function has. */
564 get_pattern_stats (&stats
, XVEC (split
, 2));
565 unused
= (stats
.num_operand_vars
== 0 ? " ATTRIBUTE_UNUSED" : "");
566 used
= XCNEWVEC (char, stats
.num_operand_vars
);
568 /* Output the prototype, function name and argument declarations. */
569 if (GET_CODE (split
) == DEFINE_PEEPHOLE2
)
571 printf ("extern rtx gen_%s_%d (rtx_insn *, rtx *);\n",
572 name
, insn_code_number
);
573 printf ("rtx\ngen_%s_%d (rtx_insn *curr_insn ATTRIBUTE_UNUSED, rtx *operands%s)\n",
574 name
, insn_code_number
, unused
);
578 printf ("extern rtx gen_split_%d (rtx_insn *, rtx *);\n", insn_code_number
);
579 printf ("rtx\ngen_split_%d (rtx_insn *curr_insn ATTRIBUTE_UNUSED, rtx *operands%s)\n",
580 insn_code_number
, unused
);
584 /* Declare all local variables. */
585 for (i
= 0; i
< stats
.num_operand_vars
; i
++)
586 printf (" rtx operand%d;\n", i
);
587 printf (" rtx _val = 0;\n");
589 if (GET_CODE (split
) == DEFINE_PEEPHOLE2
)
590 output_peephole2_scratches (split
);
592 printf (" if (dump_file)\n");
593 printf (" fprintf (dump_file, \"Splitting with gen_%s_%d\\n\");\n",
594 name
, insn_code_number
);
596 printf (" start_sequence ();\n");
598 /* The fourth operand of DEFINE_SPLIT is some code to be executed
599 before the actual construction. */
603 print_md_ptr_loc (XSTR (split
, 3));
604 printf ("%s\n", XSTR (split
, 3));
607 /* Output code to copy the arguments back out of `operands' */
608 for (i
= 0; i
< stats
.num_operand_vars
; i
++)
610 printf (" operand%d = operands[%d];\n", i
, i
);
611 printf (" (void) operand%d;\n", i
);
614 /* Output code to construct the rtl for the instruction bodies.
615 Use emit_insn to add them to the sequence being accumulated.
616 But don't do this if the user's code has set `no_more' nonzero. */
618 for (i
= 0; i
< XVECLEN (split
, 2); i
++)
620 rtx next
= XVECEXP (split
, 2, i
);
621 if ((GET_CODE (next
) == SET
&& GET_CODE (SET_DEST (next
)) == PC
)
622 || (GET_CODE (next
) == PARALLEL
623 && GET_CODE (XVECEXP (next
, 0, 0)) == SET
624 && GET_CODE (SET_DEST (XVECEXP (next
, 0, 0))) == PC
)
625 || ANY_RETURN_P (next
))
626 printf (" emit_jump_insn (");
627 else if ((GET_CODE (next
) == SET
&& GET_CODE (SET_SRC (next
)) == CALL
)
628 || GET_CODE (next
) == CALL
629 || (GET_CODE (next
) == PARALLEL
630 && GET_CODE (XVECEXP (next
, 0, 0)) == SET
631 && GET_CODE (SET_SRC (XVECEXP (next
, 0, 0))) == CALL
)
632 || (GET_CODE (next
) == PARALLEL
633 && GET_CODE (XVECEXP (next
, 0, 0)) == CALL
))
634 printf (" emit_call_insn (");
635 else if (LABEL_P (next
))
636 printf (" emit_label (");
637 else if (GET_CODE (next
) == MATCH_OPERAND
638 || GET_CODE (next
) == MATCH_OPERATOR
639 || GET_CODE (next
) == MATCH_PARALLEL
640 || GET_CODE (next
) == MATCH_OP_DUP
641 || GET_CODE (next
) == MATCH_DUP
642 || GET_CODE (next
) == PARALLEL
)
645 printf (" emit_insn (");
646 gen_exp (next
, GET_CODE (split
), used
);
648 if (GET_CODE (next
) == SET
&& GET_CODE (SET_DEST (next
)) == PC
649 && GET_CODE (SET_SRC (next
)) == LABEL_REF
)
650 printf (" emit_barrier ();");
653 /* Call `get_insns' to make a list of all the
654 insns emitted within this gen_... function. */
656 printf (" _val = get_insns ();\n");
657 printf (" end_sequence ();\n");
658 printf (" return _val;\n}\n\n");
663 /* Write a function, `add_clobbers', that is given a PARALLEL of sufficient
664 size for the insn and an INSN_CODE, and inserts the required CLOBBERs at
665 the end of the vector. */
668 output_add_clobbers (void)
670 struct clobber_pat
*clobber
;
671 struct clobber_ent
*ent
;
674 printf ("\n\nvoid\nadd_clobbers (rtx pattern ATTRIBUTE_UNUSED, int insn_code_number)\n");
676 printf (" switch (insn_code_number)\n");
679 for (clobber
= clobber_list
; clobber
; clobber
= clobber
->next
)
681 for (ent
= clobber
->insns
; ent
; ent
= ent
->next
)
682 printf (" case %d:\n", ent
->code_number
);
684 for (i
= clobber
->first_clobber
; i
< XVECLEN (clobber
->pattern
, 1); i
++)
686 printf (" XVECEXP (pattern, 0, %d) = ", i
);
687 gen_exp (XVECEXP (clobber
->pattern
, 1, i
),
688 GET_CODE (clobber
->pattern
), NULL
);
692 printf (" break;\n\n");
695 printf (" default:\n");
696 printf (" gcc_unreachable ();\n");
701 /* Write a function, `added_clobbers_hard_reg_p' that is given an insn_code
702 number that will have clobbers added (as indicated by `recog') and returns
703 1 if those include a clobber of a hard reg or 0 if all of them just clobber
707 output_added_clobbers_hard_reg_p (void)
709 struct clobber_pat
*clobber
;
710 struct clobber_ent
*ent
;
713 printf ("\n\nint\nadded_clobbers_hard_reg_p (int insn_code_number)\n");
715 printf (" switch (insn_code_number)\n");
718 for (clobber_p
= 0; clobber_p
<= 1; clobber_p
++)
721 for (clobber
= clobber_list
; clobber
; clobber
= clobber
->next
)
722 if (clobber
->has_hard_reg
== clobber_p
)
723 for (ent
= clobber
->insns
; ent
; ent
= ent
->next
)
725 printf (" case %d:\n", ent
->code_number
);
730 printf (" return %d;\n\n", clobber_p
);
733 printf (" default:\n");
734 printf (" gcc_unreachable ();\n");
739 /* Generate code to invoke find_free_register () as needed for the
740 scratch registers used by the peephole2 pattern in SPLIT. */
743 output_peephole2_scratches (rtx split
)
749 for (i
= 0; i
< XVECLEN (split
, 0); i
++)
751 rtx elt
= XVECEXP (split
, 0, i
);
752 if (GET_CODE (elt
) == MATCH_SCRATCH
)
754 int last_insn_nr
= insn_nr
;
755 int cur_insn_nr
= insn_nr
;
757 for (j
= i
+ 1; j
< XVECLEN (split
, 0); j
++)
758 if (GET_CODE (XVECEXP (split
, 0, j
)) == MATCH_DUP
)
760 if (XINT (XVECEXP (split
, 0, j
), 0) == XINT (elt
, 0))
761 last_insn_nr
= cur_insn_nr
;
763 else if (GET_CODE (XVECEXP (split
, 0, j
)) != MATCH_SCRATCH
)
768 printf (" HARD_REG_SET _regs_allocated;\n");
769 printf (" CLEAR_HARD_REG_SET (_regs_allocated);\n");
773 printf (" if ((operands[%d] = peep2_find_free_register (%d, %d, \"%s\", %smode, &_regs_allocated)) == NULL_RTX)\n\
776 insn_nr
, last_insn_nr
,
778 GET_MODE_NAME (GET_MODE (elt
)));
781 else if (GET_CODE (elt
) != MATCH_DUP
)
787 main (int argc
, char **argv
)
791 progname
= "genemit";
793 if (!init_rtx_reader_args (argc
, argv
))
794 return (FATAL_EXIT_CODE
);
796 /* Assign sequential codes to all entries in the machine description
797 in parallel with the tables in insn-output.c. */
799 insn_code_number
= 0;
800 insn_index_number
= 0;
802 printf ("/* Generated automatically by the program `genemit'\n\
803 from the machine description file `md'. */\n\n");
805 printf ("#include \"config.h\"\n");
806 printf ("#include \"system.h\"\n");
807 printf ("#include \"coretypes.h\"\n");
808 printf ("#include \"tm.h\"\n");
809 printf ("#include \"hash-set.h\"\n");
810 printf ("#include \"machmode.h\"\n");
811 printf ("#include \"vec.h\"\n");
812 printf ("#include \"double-int.h\"\n");
813 printf ("#include \"input.h\"\n");
814 printf ("#include \"alias.h\"\n");
815 printf ("#include \"symtab.h\"\n");
816 printf ("#include \"wide-int.h\"\n");
817 printf ("#include \"inchash.h\"\n");
818 printf ("#include \"tree.h\"\n");
819 printf ("#include \"varasm.h\"\n");
820 printf ("#include \"stor-layout.h\"\n");
821 printf ("#include \"calls.h\"\n");
822 printf ("#include \"rtl.h\"\n");
823 printf ("#include \"tm_p.h\"\n");
824 printf ("#include \"hashtab.h\"\n");
825 printf ("#include \"hard-reg-set.h\"\n");
826 printf ("#include \"function.h\"\n");
827 printf ("#include \"flags.h\"\n");
828 printf ("#include \"statistics.h\"\n");
829 printf ("#include \"real.h\"\n");
830 printf ("#include \"fixed-value.h\"\n");
831 printf ("#include \"insn-config.h\"\n");
832 printf ("#include \"expmed.h\"\n");
833 printf ("#include \"dojump.h\"\n");
834 printf ("#include \"explow.h\"\n");
835 printf ("#include \"emit-rtl.h\"\n");
836 printf ("#include \"stmt.h\"\n");
837 printf ("#include \"expr.h\"\n");
838 printf ("#include \"insn-codes.h\"\n");
839 printf ("#include \"optabs.h\"\n");
840 printf ("#include \"dfp.h\"\n");
841 printf ("#include \"output.h\"\n");
842 printf ("#include \"recog.h\"\n");
843 printf ("#include \"predict.h\"\n");
844 printf ("#include \"basic-block.h\"\n");
845 printf ("#include \"resource.h\"\n");
846 printf ("#include \"reload.h\"\n");
847 printf ("#include \"diagnostic-core.h\"\n");
848 printf ("#include \"regs.h\"\n");
849 printf ("#include \"tm-constrs.h\"\n");
850 printf ("#include \"ggc.h\"\n");
851 printf ("#include \"basic-block.h\"\n");
852 printf ("#include \"dumpfile.h\"\n");
853 printf ("#include \"target.h\"\n\n");
854 printf ("#define FAIL return (end_sequence (), _val)\n");
855 printf ("#define DONE return (_val = get_insns (), end_sequence (), _val)\n\n");
857 /* Read the machine description. */
863 desc
= read_md_rtx (&line_no
, &insn_code_number
);
867 switch (GET_CODE (desc
))
870 gen_insn (desc
, line_no
);
874 printf ("/* %s:%d */\n", read_md_filename
, line_no
);
879 printf ("/* %s:%d */\n", read_md_filename
, line_no
);
883 case DEFINE_PEEPHOLE2
:
884 printf ("/* %s:%d */\n", read_md_filename
, line_no
);
894 /* Write out the routines to add CLOBBERs to a pattern and say whether they
895 clobber a hard reg. */
896 output_add_clobbers ();
897 output_added_clobbers_hard_reg_p ();
900 return (ferror (stdout
) != 0 ? FATAL_EXIT_CODE
: SUCCESS_EXIT_CODE
);