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re PR rtl-optimization/33828 (Issues with code hoisting implementation in gcse.c)

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PR rtl-optimization/33828
	* gcse.c (compute_code_hoist_vbeinout): Fix order of computation
	of VBEIN and VBEOUT.

From-SVN: r129832
This commit is contained in:
Steven Bosscher 2007-11-01 21:03:50 +00:00 committed by Eric Botcazou
parent ba8a73e9fb
commit f8423fea8d
2 changed files with 13 additions and 3 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2007-11-01 Steven Bosscher <stevenb.gcc@gmail.com>
PR rtl-optimization/33828
* gcse.c (compute_code_hoist_vbeinout): Fix order of computation
of VBEIN and VBEOUT.
2007-11-01 Eric Botcazou <ebotcazou@libertysurf.fr>
* optabs.c (prepare_cmp_insn): Merge a couple of conditional blocks.

10
gcc/gcse.c
View File

@ -4772,10 +4772,14 @@ compute_code_hoist_vbeinout (void)
the convergence. */
FOR_EACH_BB_REVERSE (bb)
{
changed |= sbitmap_a_or_b_and_c_cg (hoist_vbein[bb->index], antloc[bb->index],
hoist_vbeout[bb->index], transp[bb->index]);
if (bb->next_bb != EXIT_BLOCK_PTR)
sbitmap_intersection_of_succs (hoist_vbeout[bb->index], hoist_vbein, bb->index);
sbitmap_intersection_of_succs (hoist_vbeout[bb->index],
hoist_vbein, bb->index);
changed |= sbitmap_a_or_b_and_c_cg (hoist_vbein[bb->index],
antloc[bb->index],
hoist_vbeout[bb->index],
transp[bb->index]);
}
passes++;