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cfgcleanup.c (try_forward_edges): Do not update BB_FORWARDER_BLOCK.

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* cfgcleanup.c (try_forward_edges): Do not update BB_FORWARDER_BLOCK.
	(try_optimize_cfg): Update BB_FORWARDER_BLOCK if try_forward_edges
	returns true.

From-SVN: r174046
This commit is contained in:
Eric Botcazou 2011-05-22 21:29:20 +00:00 committed by Eric Botcazou
parent 872dab53fd
commit afe8b6ec9a
2 changed files with 10 additions and 4 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2011-05-22 Eric Botcazou <ebotcazou@adacore.com>
* cfgcleanup.c (try_forward_edges): Do not update BB_FORWARDER_BLOCK.
(try_optimize_cfg): Update BB_FORWARDER_BLOCK if try_forward_edges
returns true.
2011-05-22 Richard Sandiford <rdsandiford@googlemail.com>
* config/mips/mips.c (mips_default_arch): Honor MIPS_ISA_DEFAULT.

8
gcc/cfgcleanup.c
View File

@ -599,9 +599,6 @@ try_forward_edges (int mode, basic_block b)
+ REG_BR_PROB_BASE / 2)
/ REG_BR_PROB_BASE);
if (!FORWARDER_BLOCK_P (b) && forwarder_block_p (b))
b->flags |= BB_FORWARDER_BLOCK;
do
{
edge t;
@ -2693,7 +2690,10 @@ try_optimize_cfg (int mode)
/* Simplify branch to branch. */
if (try_forward_edges (mode, b))
changed_here = true;
{
update_forwarder_flag (b);
changed_here = true;
}
/* Look for shared code between blocks. */
if ((mode & CLEANUP_CROSSJUMP)