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[Bug rtl-optimization/57003] [4.8/4.9/5.0 Regression] gcc breaks -O2 optimization with Wine(64) - links/info/bisect of commits included
- From: "uros at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 09 Oct 2014 09:06:09 +0000
- Subject: [Bug rtl-optimization/57003] [4.8/4.9/5.0 Regression] gcc breaks -O2 optimization with Wine(64) - links/info/bisect of commits included
- Auto-submitted: auto-generated
- References: <bug-57003-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57003
--- Comment #31 from uros at gcc dot gnu.org ---
Author: uros
Date: Thu Oct 9 09:05:37 2014
New Revision: 216035
URL: https://gcc.gnu.org/viewcvs?rev=216035&root=gcc&view=rev
Log:
Backport from mainline
2014-10-09 Uros Bizjak <ubizjak@gmail.com>
PR rtl-optimization/57003
* regcprop.c (copyprop_hardreg_forward_1): If ksvd.ignore_set_reg,
also check CALL_INSN_FUNCTION_USAGE for clobbers again after
killing regs_invalidated_by_call.
Modified:
branches/gcc-4_8-branch/gcc/ChangeLog
branches/gcc-4_8-branch/gcc/regcprop.c