On Tue, Oct 30, 2018 at 10:12 AM Wei Xiao <wei.william.x...@gmail.com> wrote:
>
> Hi,
>
> The attached patch updates VFIXUPIMM* Intrinsics to align with the
> latest Intel® 64 and IA-32 Architectures Software Developer’s Manual
> (SDM).
> Tested with GCC regression test on x86, no regression.

A couple of remarks:

-_mm512_fixupimm_round_pd (__m512d __A, __m512d __B, __m512i __C,
+_mm512_fixupimm_round_pd (__m512d __B, __m512i __C,

 _mm512_mask_fixupimm_round_pd (__m512d __A, __mmask8 __U, __m512d __B,
                    __m512i __C, const int __imm, const int __R)

Some kind of the convention in avx512fintrin.h is that arguments are
named like this:

[ __m512. __W,] __mmask. __U, __m512x __A, __m512x __B, ..., const int
_imm, const int __R]. Can we please keep the same approach here? I'
mostly concerned that argument names don't start with __A.

-BDESC (OPTION_MASK_ISA_AVX512VL, CODE_FOR_avx512vl_fixupimmv4df_mask,
"__builtin_ia32_fixupimmpd256_mask", IX86_BUILTIN_FIXUPIMMPD256_MASK,
UNKNOWN, (int) V4DF_FTYPE_V4DF_V4DF_V4DI_INT_UQI)
...

You are removing the only users of e.g.
V4DF_FTYPE_V4DF_V4DF_V4DI_INT_UQI (and other definitions). If there
are no users left, can you also remove the relevant definitions?

> Is it ok?

Please repost the patch with above remarks addressed. These builtins
are mostly Intel affair, so in the hope that extensive testsuite in
this area catches all issues, I will just just rubber-stamp the
updated patch OK and leave the final approval to HJ.

Uros.

> Thanks
> Wei
>
>     gcc/
>     2018-10-30 Wei Xiao <wei3.x...@intel.com>
>
>         *config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
>         (_mm512_fixupimm_round_pd): Update parameters and builtin.
>         (_mm512_maskz_fixupimm_round_pd): Ditto.
>         (_mm512_fixupimm_round_ps): Ditto.
>         (_mm512_maskz_fixupimm_round_ps): Ditto.
>         (_mm_fixupimm_round_sd): Ditto.
>         (_mm_maskz_fixupimm_round_sd): Ditto.
>         (_mm_fixupimm_round_ss): Ditto.
>         (_mm_maskz_fixupimm_round_ss): Ditto.
>         (_mm512_fixupimm_pd): Ditto.
>         (_mm512_maskz_fixupimm_pd): Ditto.
>         (_mm512_fixupimm_ps): Ditto.
>         (_mm512_maskz_fixupimm_ps): Ditto.
>         (_mm_fixupimm_sd): Ditto.
>         (_mm_maskz_fixupimm_sd): Ditto.
>         (_mm_fixupimm_ss): Ditto.
>         (_mm_maskz_fixupimm_ss): Ditto.
>         (_mm512_mask_fixupimm_round_pd): Update builtin.
>         (_mm512_mask_fixupimm_round_ps): Ditto.
>         (_mm_mask_fixupimm_round_sd): Ditto.
>         (_mm_mask_fixupimm_round_ss): Ditto.
>         (_mm512_mask_fixupimm_pd): Ditto.
>         (_mm512_mask_fixupimm_ps): Ditto.
>         (_mm_mask_fixupimm_sd): Ditto.
>         (_mm_mask_fixupimm_ss): Ditto.
>         *config/i386/avx512vlintrin.h:
>         (_mm256_fixupimm_pd): Update parameters and builtin.
>         (_mm256_maskz_fixupimm_pd): Ditto.
>         (_mm256_fixupimm_ps): Ditto.
>         (_mm256_maskz_fixupimm_ps): Ditto.
>         (_mm_fixupimm_pd): Ditto.
>         (_mm_maskz_fixupimm_pd): Ditto.
>         (_mm_fixupimm_ps): Ditto.
>         (_mm_maskz_fixupimm_ps): Ditto.
>         (_mm256_mask_fixupimm_pd): Update builtin.
>         (_mm256_mask_fixupimm_ps): Ditto.
>         (_mm_mask_fixupimm_pd): Ditto.
>         (_mm_mask_fixupimm_ps): Ditto.
>         *config/i386/i386-builtin-types.def: Add new builtin types.
>         *config/i386/i386-builtin.def: Update builtin definitions.
>         *config/i386/i386.c: Handle new builtin types.
>         *config/i386/sse.md: Update VFIXUPIMM* patterns.
>         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
>         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
>         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
>         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
>         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
>         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
>         *config/i386/subst.md:
>         (round_saeonly_sd_mask_operand4): Add new subst_attr.
>         (round_saeonly_sd_mask_op4): Ditto.
>         (round_saeonly_expand_operand5): Ditto.
>         (round_saeonly_expand): Update.
>
>     gcc/testsuite
>     2018-10-30 Wei Xiao <wei3.x...@intel.com>
>
>         *gcc.target/i386/avx-1.c: Update tests for VFIXUPIMM* intrinsics.
>         *gcc.target/i386/avx512f-vfixupimmpd-1.c: Ditto.
>         *gcc.target/i386/avx512f-vfixupimmpd-2.c: Ditto.
>         *gcc.target/i386/avx512f-vfixupimmps-1.c: Ditto.
>         *gcc.target/i386/avx512f-vfixupimmsd-1.c: Ditto.
>         *gcc.target/i386/avx512f-vfixupimmsd-2.c: Ditto.
>         *gcc.target/i386/avx512f-vfixupimmss-1.c: Ditto.
>         *gcc.target/i386/avx512f-vfixupimmss-2.c: Ditto.
>         *gcc.target/i386/avx512vl-vfixupimmpd-1.c: Ditto.
>         *gcc.target/i386/avx512vl-vfixupimmps-1.c: Ditto.
>         *gcc.target/i386/sse-13.c: Ditto.
>         *gcc.target/i386/sse-14.c: Ditto.
>         *gcc.target/i386/sse-22.c: Ditto.
>         *gcc.target/i386/sse-23.c: Ditto.
>         *gcc.target/i386/testimm-10.c: Ditto.
>         *gcc.target/i386/testround-1.c: Ditto.

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