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[Bug rtl-optimization/51821] [4.5/4.6/4.7 Regression] 64bit > 32bit conversion produces incorrect results with optimizations
- 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: Sun, 15 Jan 2012 18:03:51 +0000
- Subject: [Bug rtl-optimization/51821] [4.5/4.6/4.7 Regression] 64bit > 32bit conversion produces incorrect results with optimizations
- Auto-submitted: auto-generated
- References: <bug-51821-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51821
--- Comment #18 from uros at gcc dot gnu.org 2012-01-15 18:03:51 UTC ---
Author: uros
Date: Sun Jan 15 18:03:46 2012
New Revision: 183194
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183194
Log:
PR rtl-optimization/51821
* recog.c (peep2_find_free_register): Determine clobbered registers
from insn pattern.
testsuite/ChangeLog:
PR rtl-optimization/51821
* gcc.dg/pr51821.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr51821.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/recog.c
trunk/gcc/testsuite/ChangeLog