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genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.

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* genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
        (gen_split): Likewise.
        (main): Rework generated definitions of DONE and FAIL so that they
        no longer use gotos.  Avoids warnings about unused labels.

From-SVN: r18879
This commit is contained in:
Jeffrey A Law 1998-03-28 13:55:34 +00:00 committed by Jeff Law
parent d6e6c585a1
commit c38d8c5bb3
2 changed files with 7 additions and 6 deletions
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5
gcc/ChangeLog
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@ -1,5 +1,10 @@
Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
* genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
(gen_split): Likewise.
(main): Rework generated definitions of DONE and FAIL so that they
no longer use gotos. Avoids warnings about unused labels.
* integrate.c (copy_rtx_and_substitute): Rework to avoid need for
unused "junk" variable.

8
gcc/genemit.c
View File

@ -496,9 +496,7 @@ gen_expand (expand)
/* Call `gen_sequence' to make a SEQUENCE out of all the
insns emitted within this gen_... function. */
printf (" _done:\n");
printf (" _val = gen_sequence ();\n");
printf (" _fail:\n");
printf (" end_sequence ();\n");
printf (" return _val;\n}\n\n");
}
@ -586,9 +584,7 @@ gen_split (split)
/* Call `gen_sequence' to make a SEQUENCE out of all the
insns emitted within this gen_... function. */
printf (" _done:\n");
printf (" _val = gen_sequence ();\n");
printf (" _fail:\n");
printf (" end_sequence ();\n");
printf (" return _val;\n}\n\n");
}
@ -753,8 +749,8 @@ from the machine description file `md'. */\n\n");
printf ("extern char *insn_operand_constraint[][MAX_RECOG_OPERANDS];\n\n");
printf ("extern rtx recog_operand[];\n");
printf ("#define operands emit_operand\n\n");
printf ("#define FAIL goto _fail\n\n");
printf ("#define DONE goto _done\n\n");
printf ("#define FAIL {end_sequence (); return _val;}\n");
printf ("#define DONE {_val = gen_sequence (); end_sequence (); return _val;}\n");
/* Read the machine description. */