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[Bug target/59952] -march=core-avx2 should not enable RTM
- 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: Mon, 27 Jan 2014 07:50:12 +0000
- Subject: [Bug target/59952] -march=core-avx2 should not enable RTM
- Auto-submitted: auto-generated
- References: <bug-59952-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59952
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2014-01-27
CC| |hjl.tools at gmail dot com,
| |jakub at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
PTA_HLE is IMHO fine, after all we enable it also for -mtune=generic. But I
agree that enabling PTA_RTM when less than 50% of current Haswell CPUs don't
include RTM is a bad idea. Not even say i7-4770K includes it.