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[Bug rtl-optimization/49390] New: [4.6/4.7 Regression] GCSE miscompilation
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 13 Jun 2011 11:26:11 +0000
- Subject: [Bug rtl-optimization/49390] New: [4.6/4.7 Regression] GCSE miscompilation
- Auto-submitted: auto-generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49390
Summary: [4.6/4.7 Regression] GCSE miscompilation
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Keywords: wrong-code
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: jakub@gcc.gnu.org
Target: x86_64-linux
Created attachment 24507
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24507
rh712480.c
The attached testcase is miscompiled, starting with
http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=161534
at -O2, -O2 -fno-gcse fixes it.