> From: Uros Bizjak [mailto:ubiz...@gmail.com]
> Sent: Tuesday, May 22, 2018 8:43 PM
> To: gcc-patches@gcc.gnu.org
> Cc: Peryt, Sebastian <sebastian.pe...@intel.com>; Jakub Jelinek
> <ja...@redhat.com>
> Subject: [RFT PATCH, AVX512]: Implement scalar unsigned int->float conversions
> with AVX512F
>
> Hello!
>
> Attached patch implements scalar unsigned int->float conversions with
> AVX512F.
>
> 2018-05-22 Uros Bizjak <ubiz...@gmail.com>
>
> * config/i386/i386.md (*floatuns<SWI48:mode><MODEF:mode>2_avx512):
> New insn pattern.
> (floatunssi<mode>2): Also enable for AVX512F and TARGET_SSE_MATH.
> Rewrite expander pattern. Emit gen_floatunssi<mode>2_i387_with_xmm
> for non-SSE modes.
> (floatunsdisf2): Rewrite expander pattern. Hanlde TARGET_AVX512F.
> (floatunsdidf2): Ditto.
>
> testsuite/ChangeLog:
>
> 2018-05-22 Uros Bizjak <ubiz...@gmail.com>
>
> * gcc.target/i386/cvt-3.c: New test.
>
> Patch was bootstrapped and regression tested on x86_64-linux-gnu {,-m32}., but
> not tested on AVX512 target.
I have checked it on x86_64-linux-gnu {,-m32} on SKX and don't see any
stability regressions.
Sebastian
>
> Uros.
