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[Bug rtl-optimization/42294] [4.5 Regression] ICE in code_motion_path_driver for 416.gamess
- From: "abel at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Jan 2010 10:16:37 -0000
- Subject: [Bug rtl-optimization/42294] [4.5 Regression] ICE in code_motion_path_driver for 416.gamess
- References: <bug-42294-4503@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from abel at gcc dot gnu dot org 2010-01-14 10:16 -------
Subject: Bug 42294
Author: abel
Date: Thu Jan 14 10:16:01 2010
New Revision: 155889
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155889
Log:
PR rtl-optimization/42294
* sel-sched.c (try_replace_dest_reg): When chosen register
and original register is the same, do not bail out early, but
still check all original insns for validity of replacing destination
register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
in this case.
Added:
trunk/gcc/testsuite/gcc.dg/pr42249.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/sel-sched.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42294