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[Bug target/50962] Additional opportunity for AGU stall avoidance optimization for Atom processor
- From: "kyukhin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 07 Nov 2011 08:47:18 +0000
- Subject: [Bug target/50962] Additional opportunity for AGU stall avoidance optimization for Atom processor
- Auto-submitted: auto-generated
- References: <bug-50962-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50962
--- Comment #4 from Kirill Yukhin <kyukhin at gcc dot gnu.org> 2011-11-07 08:47:18 UTC ---
Author: kyukhin
Date: Mon Nov 7 08:47:15 2011
New Revision: 181077
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181077
Log:
gcc/
PR target/50962
* config/i386/i386-protos.h (ix86_use_lea_for_mov): New.
* config/i386/i386.c (ix86_use_lea_for_mov): Likewise.
* config/i386/i386.md (movsi_internal): Emit lea if profitable.
(movdi_internal_rex64): Likewise.
Modified:
trunk/gcc/config/i386/i386-protos.h
trunk/gcc/config/i386/i386.c
trunk/gcc/config/i386/i386.md
trunk/gcc/testsuite/ChangeLog