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riscv-gcc-1
Commit 6c979aa1 by Ilya Enkovich Committed by Kirill Yukhin
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cfgcleanup.c (try_optimize_cfg): Do not remove label with LABEL_PRESERVE_P flag set. 


gcc/
	* cfgcleanup.c (try_optimize_cfg): Do not remove label
	with LABEL_PRESERVE_P flag set.

From-SVN: r215498
parent a5476024
Showing with 6 additions and 0 deletions
gcc/ChangeLog
2014-09-23 Ilya Enkovich <ilya.enkovich@intel.com>
* cfgcleanup.c (try_optimize_cfg): Do not remove label
with LABEL_PRESERVE_P flag set.
2014-09-23 Alexander Ivchenko <alexander.ivchenko@intel.com>
Maxim Kuznetsov <maxim.kuznetsov@intel.com>
Anna Tikhonova <anna.tikhonova@intel.com>
gcc/cfgcleanup.c
......@@ -2701,6 +2701,7 @@ try_optimize_cfg (int mode)
&& (single_pred_edge (b)->flags & EDGE_FALLTHRU)
&& !(single_pred_edge (b)->flags & EDGE_COMPLEX)
&& LABEL_P (BB_HEAD (b))
&& !LABEL_PRESERVE_P (BB_HEAD (b))
/* If the previous block ends with a branch to this
block, we can't delete the label. Normally this
is a condjump that is yet to be simplified, but
......
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