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* loop.c (check_dbra_loop): Factor common test.

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From-SVN: r66803
This commit is contained in:
Nathan Sidwell 2003-05-14 15:06:41 +00:00
parent c62347f080
commit 3ec6c6ee22
2 changed files with 11 additions and 4 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,7 @@
2003-05-14 Nathan Sidwell <nathan@codesourcery.com>
* loop.c (check_dbra_loop): Factor common test.
2003-05-14 Ben Elliston <bje@wasabisystems.com>
* doc/md.texi (Automaton pipeline description): Grammar fixes.
@ -504,6 +508,7 @@ Mon May 12 11:32:53 CEST 2003 Jan Hubicka <jh@suse.cz>
(s390_function_arg): Likewise.
(s390_va_arg): Likewise
>>>>>>> 1.17806
2003-05-11 Nathan Sidwell <nathan@codesourcery.com>
* coverage.h (coverage_counter_alloc): New function.

10
gcc/loop.c
View File

@ -8274,9 +8274,11 @@ check_dbra_loop (loop, insn_count)
&& REGNO (SET_DEST (set)) == bl->regno)
/* An insn that sets the biv is okay. */
;
else if ((p == prev_nonnote_insn (prev_nonnote_insn (loop_end))
|| p == prev_nonnote_insn (loop_end))
&& reg_mentioned_p (bivreg, PATTERN (p)))
else if (!reg_mentioned_p (bivreg, PATTERN (p)))
/* An insn that doesn't mention the biv is okay. */
;
else if (p == prev_nonnote_insn (prev_nonnote_insn (loop_end))
|| p == prev_nonnote_insn (loop_end))
{
/* If either of these insns uses the biv and sets a pseudo
that has more than one usage, then the biv has uses
@ -8290,7 +8292,7 @@ check_dbra_loop (loop, insn_count)
break;
}
}
else if (reg_mentioned_p (bivreg, PATTERN (p)))
else
{
no_use_except_counting = 0;
break;