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cfganal.c (can_fallthru): Fix fast path.

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* cfganal.c (can_fallthru): Fix fast path.
	* cfgrtl.c (verify_flow_info): Avoid crash on conditionals
	with edges to the next block.

From-SVN: r53327
This commit is contained in:
Jan Hubicka 2002-05-09 14:56:47 +02:00 • committed by Jan Hubicka
parent b7c9bf289f
commit 3e638a902a
3 changed files with 11 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
Thu May 9 14:55:39 CEST 2002 Jan Hubicka <jh@suse.cz>
* cfganal.c (can_fallthru): Fix fast path.
* cfgrtl.c (verify_flow_info): Avoid crash on conditionals
with edges to the next block.
Thu May 9 14:52:45 CEST 2002 Jan Hubicka <jh@suse.cz>
Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz>

5
gcc/cfganal.c
View file

@ -87,7 +87,10 @@ can_fallthru (src, target)
rtx insn = src->end;
rtx insn2 = target->head;
if (src->index + 1 == target->index && !active_insn_p (insn2))
if (src->index + 1 != target->index)
return 0;
if (!active_insn_p (insn2))
insn2 = next_active_insn (insn2);
/* ??? Later we may add code to move jump tables offline. */

1
gcc/cfgrtl.c
View file

@ -1782,6 +1782,7 @@ verify_flow_info ()
if (INSN_P (bb->end)
&& (note = find_reg_note (bb->end, REG_BR_PROB, NULL_RTX))
&& bb->succ && bb->succ->succ_next
&& any_condjump_p (bb->end))
{
if (INTVAL (XEXP (note, 0)) != BRANCH_EDGE (bb)->probability)