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[Bug middle-end/23848] [4.0/4.1/4.2/4.3 Regression] stack deallocation can be more efficient
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 15 Nov 2007 19:03:05 -0000
- Subject: [Bug middle-end/23848] [4.0/4.1/4.2/4.3 Regression] stack deallocation can be more efficient
- References: <bug-23848-1057@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from jakub at gcc dot gnu dot org 2007-11-15 19:03 -------
Subject: Bug 23848
Author: jakub
Date: Thu Nov 15 19:02:54 2007
New Revision: 130206
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=130206
Log:
PR middle-end/23848
* tree-ssa-ccp.c (optimize_stack_restore): New function.
(execute_fold_all_builtins): Call optimize_stack_restore for
BUILT_IN_STACK_RESTORE.
* gcc.dg/tree-ssa/pr23848-1.c: New test.
* gcc.dg/tree-ssa/pr23848-2.c: New test.
* gcc.dg/tree-ssa/pr23848-3.c: New test.
* gcc.dg/tree-ssa/pr23848-4.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr23848-1.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr23848-2.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr23848-3.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr23848-4.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ccp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23848