Re: [PATCH V2 00/10] Initial support for AVX512FP16

2021-09-07 Thread Hongtao Liu via Gcc-patches
On Wed, Sep 8, 2021 at 10:54 AM Hongtao Liu wrote: > > On Wed, Jul 21, 2021 at 3:43 PM liuhongt wrote: > > > > Hi: > > As discussed in [1], this patch support _Float16 under target sse2 > > and above, w/o avx512fp16, _Float16 type is storage only, all operations > > are emulated by soft-fp and

Re: [PATCH V2 00/10] Initial support for AVX512FP16

2021-09-07 Thread Hongtao Liu via Gcc-patches
On Wed, Jul 21, 2021 at 3:43 PM liuhongt wrote: > > Hi: > As discussed in [1], this patch support _Float16 under target sse2 > and above, w/o avx512fp16, _Float16 type is storage only, all operations > are emulated by soft-fp and float instructions. Soft-fp keeps the intermediate > result of the

[PATCH V2 00/10] Initial support for AVX512FP16

2021-07-21 Thread liuhongt via Gcc-patches
Hi: As discussed in [1], this patch support _Float16 under target sse2 and above, w/o avx512fp16, _Float16 type is storage only, all operations are emulated by soft-fp and float instructions. Soft-fp keeps the intermediate result of the operation at 32-bit precision by defaults, which may lead to