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[Bug rtl-optimization/56178] [4.8 Regression] Miscompilation of Ada front-end with profiled bootstrap
- From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 07 Feb 2013 08:07:19 +0000
- Subject: [Bug rtl-optimization/56178] [4.8 Regression] Miscompilation of Ada front-end with profiled bootstrap
- Auto-submitted: auto-generated
- References: <bug-56178-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56178
--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2013-02-07 08:07:19 UTC ---
Author: ebotcazou
Date: Thu Feb 7 08:07:04 2013
New Revision: 195841
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195841
Log:
PR rtl-optimization/56178
* cse.c (cse_insn): Do not create a REG_EQUAL note if the source is a
SUBREG of a register. Tidy up related block of code.
* fwprop.c (forward_propagate_and_simplify): Do not create a REG_EQUAL
note if the source is a register or a SUBREG of a register.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cse.c
trunk/gcc/fwprop.c