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[Bug target/36134] GCC creates suboptimal ASM : usage of ADDA.L where LEA could be used
- From: "ams at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Nov 2008 10:50:20 -0000
- Subject: [Bug target/36134] GCC creates suboptimal ASM : usage of ADDA.L where LEA could be used
- References: <bug-36134-16150@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from ams at gcc dot gnu dot org 2008-11-14 10:50 -------
Subject: Bug 36134
Author: ams
Date: Fri Nov 14 10:49:06 2008
New Revision: 141853
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141853
Log:
2008-11-14 Maxim Kuvyrkov <maxim@codesourcery.com>
Andrew Stubbs <ams@codesourcery.com>
Gunnar Von Boehn <gunnar@genesi-usa.com>
gcc/
PR target/36134
* config/m68k/m68k.md (addsi3_5200): Add a new alternative preferring
the shorter LEA insn over ADD.L where possible.
gcc/testsuite/
PR target/36134
* gcc.target/m68k/pr36134.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/m68k/pr36134.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/m68k/m68k.md
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36134