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[Bug tree-optimization/29877] [4.0/4.1/4.2/4.3 Regression] out of SSA (TER) extends variable life of variable beyond original declared
- From: "shinwell at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 8 Jan 2007 08:33:53 -0000
- Subject: [Bug tree-optimization/29877] [4.0/4.1/4.2/4.3 Regression] out of SSA (TER) extends variable life of variable beyond original declared
- References: <bug-29877-13580@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from shinwell at gcc dot gnu dot org 2007-01-08 08:33 -------
Subject: Bug 29877
Author: shinwell
Date: Mon Jan 8 08:33:42 2007
New Revision: 120571
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=120571
Log:
PR tree-optimization/29877
gcc/
* tree-ssa-ter.c (is_replaceable_p): Deem assignments with
a register variable on the RHS to not be replaceable.
gcc/testsuite/
* gcc.dg/pr16194.c: Skip test entirely if we don't know the
name of a hard register for the target concerned. Adjust dg-error
directives to cope with new behaviour of TER.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/pr16194.c
trunk/gcc/tree-ssa-ter.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29877