[Bug target/59952] -march=core-avx2 should not enable RTM
kirill.yukhin at intel dot com
gcc-bugzilla@gcc.gnu.org
Mon Jan 27 19:11:00 GMT 2014
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59952
--- Comment #9 from Yukhin Kirill <kirill.yukhin at intel dot com> ---
(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)?
I am checking and will get back to. I though all AVX2 parts had BMI1/2
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