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[Bug target/59952] -march=core-avx2 should not enable RTM
- From: "thiago at kde dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 27 Jan 2014 18:38:06 +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
--- Comment #7 from Thiago Macieira <thiago at kde dot org> ---
(In reply to Jakub Jelinek from comment #6)
> Prerelease samples shouldn't count, people using those just can avoid using
> -march=haswell and use -march=ivybridge -mavx2 or similar instead. Can
> anyone from Intel verify if all released Haswell CPUs have BMI2 (and if
> there aren't plans to ship Haswell CPUs without BMI2)?
Trying to get that confirmed internally.