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[Bug tree-optimization/62291] PRE uses too much memory and compile-time
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 29 Aug 2014 12:40:22 +0000
- Subject: [Bug tree-optimization/62291] PRE uses too much memory and compile-time
- Auto-submitted: auto-generated
- References: <bug-62291-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62291
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Aug 29 12:39:50 2014
New Revision: 214727
URL: https://gcc.gnu.org/viewcvs?rev=214727&root=gcc&view=rev
Log:
2014-08-29 Richard Biener <rguenther@suse.de>
PR tree-optimization/62291
* tree-ssa-pre.c (sorted_array_from_bitmap_set): Reserve
exactly the vector size needed and use quick_push.
(phi_translate_1): Adjust comment.
(valid_in_sets): Remove block argument and remove pointless
checking of NAMEs.
(dependent_clean): Adjust for removal of block argument.
(clean): Likewise.
(compute_antic_aux): Likewise.
(compute_partial_antic_aux): Likewise.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-ssa-pre.c