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[Bug target/60863] Incorrect codegen in ix86_expand_clear for -Os
- From: "hjl at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 17 Apr 2014 15:20:06 +0000
- Subject: [Bug target/60863] Incorrect codegen in ix86_expand_clear for -Os
- Auto-submitted: auto-generated
- References: <bug-60863-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60863
--- Comment #2 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> ---
Author: hjl
Date: Thu Apr 17 15:19:34 2014
New Revision: 209488
URL: http://gcc.gnu.org/viewcvs?rev=209488&root=gcc&view=rev
Log:
Generate "xor reg, reg" if optimizing for size
PR target/60863
* config/i386/i386.c (ix86_expand_clear): Remove outdated
comment. Check optimize_insn_for_size_p instead of
optimize_insn_for_speed_p.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.c