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[Bug target/59003] [4.9 Regression] profiledbootstrap miscompiles gcc during stagefeedback --with-tune=amdfam10
- 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: Tue, 21 Jan 2014 19:12:38 +0000
- Subject: [Bug target/59003] [4.9 Regression] profiledbootstrap miscompiles gcc during stagefeedback --with-tune=amdfam10
- Auto-submitted: auto-generated
- References: <bug-59003-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59003
--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Jan 21 19:12:06 2014
New Revision: 206896
URL: http://gcc.gnu.org/viewcvs?rev=206896&root=gcc&view=rev
Log:
PR target/59003
* config/i386/i386.c (expand_small_movmem_or_setmem): If mode is
smaller than size, perform several stores or loads and stores
at dst + count - size to store or copy all of size bytes, rather
than just last modesize bytes.
* gcc.dg/tree-prof/pr59003.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/tree-prof/pr59003.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.c
trunk/gcc/testsuite/ChangeLog