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[Bug target/26290] [4.1/4.2 Regression]: code pessimization wrt. GCC 4.0 probably due to TARGET_MEM_REF
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 Nov 2007 14:53:15 -0000
- Subject: [Bug target/26290] [4.1/4.2 Regression]: code pessimization wrt. GCC 4.0 probably due to TARGET_MEM_REF
- References: <bug-26290-5637@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #22 from rguenth at gcc dot gnu dot org 2007-11-04 14:53 -------
Yes, I looked at i386 and i686 tuned code as well (which gets the addl), the
core2 tuning has this fixed (I didn't measure on AMD CPUs). As both 4.1 and
4.2 are way into maintainance mode and the patch which fixed this has not
been identified yet this indeed has only minor chances of getting fixed for
4.1 or 4.2.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26290