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loop.c (check_dbra_loop): Fix last change: examine both has_multiple_exit_targets and exit_count.

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* loop.c (check_dbra_loop): Fix last change: examine both
        has_multiple_exit_targets and exit_count.

From-SVN: r48404
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Richard Henderson 2001-12-30 19:09:48 -08:00 committed by Richard Henderson
parent c81f560b4b
commit 2b701ab743
2 changed files with 8 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2001-12-30 Richard Henderson <rth@redhat.com>
* loop.c (check_dbra_loop): Fix last change: examine both
has_multiple_exit_targets and exit_count.
2001-12-30 Richard Henderson <rth@redhat.com>
* integrate.c (copy_rtx_and_substitute): Fix error last change:

4
gcc/loop.c
View File

@ -7977,7 +7977,9 @@ check_dbra_loop (loop, insn_count)
which is reversible. */
int reversible_mem_store = 1;
if (bl->giv_count == 0 && ! loop_info->has_multiple_exit_targets)
if (bl->giv_count == 0
&& !loop->exit_count
&& !loop_info->has_multiple_exit_targets)
{
rtx bivreg = regno_reg_rtx[bl->regno];
struct iv_class *blt;