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[Bug tree-optimization/47555] [4.4 Regression] Huge memory usage when optimizing
- From: "spop at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 2 Feb 2011 15:53:22 +0000
- Subject: [Bug tree-optimization/47555] [4.4 Regression] Huge memory usage when optimizing
- Auto-submitted: auto-generated
- References: <bug-47555-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47555
--- Comment #9 from Sebastian Pop <spop at gcc dot gnu.org> 2011-02-02 15:52:15 UTC ---
Author: spop
Date: Wed Feb 2 15:52:08 2011
New Revision: 169530
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169530
Log:
Fix PR47576 and PR47555: add PARAM_SCEV_MAX_EXPR_COMPLEXITY.
2011-02-02 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/47576
PR tree-optimization/47555
* doc/invoke.texi (scev-max-expr-complexity): Documented.
* params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
(PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
* tree-scalar-evolution.c (follow_ssa_edge): Use
PARAM_SCEV_MAX_EXPR_COMPLEXITY.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/doc/invoke.texi
trunk/gcc/params.def
trunk/gcc/tree-scalar-evolution.c