This is the same patch I posted a few days ago, a bit modified according to Uros' recommendation.
Patch fixes false dependencies for vmovss, vmovsd, vrcpss, vrsqrtss, vsqrtss
and vsqrtsd instructions.
Tested on x86-64/Linux, no new test fails, some SPEC 2006/2017 performance
gains.
2018-05-04 Alexander Nesterovskiy <alexander.nesterovs...@intel.com>
* config/i386/i386.md (*movsf_internal): AVX falsedep fix.
(*movdf_internal): Ditto.
(*rcpsf2_sse): Ditto.
(*rsqrtsf2_sse): Ditto.
(*sqrt<mode>2_sse): Ditto.
--
Alexander Nesterovskiy
avx_falsedep.patch
Description: avx_falsedep.patch
