[Bug target/104977] New: [avx512fp16] wrong code for vfmaddcsh when -masm=intel.

[Bug target/104977] New: [avx512fp16] wrong code for vfmaddcsh when -masm=intel.

[crazylht at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104977

            Bug ID: 104977
           Summary: [avx512fp16] wrong code for vfmaddcsh when
                    -masm=intel.
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: crazylht at gmail dot com
  Target Milestone: ---

#include<immintrin.h>

__m128h
foo (__m128h a, __m128h b, __m128h c, __mmask8 m)
{ 
    return _mm_fcmadd_round_sch (a, b, c, 8);
}

with asm=intel generates


_Z3fooDv8_DF16_S_S_h:
        vfcmaddcsh      xmm2, xmm0, xmm1<round_scalarcz_maskcz_mask_op4>
        vmovdqa xmm0, xmm2
        ret

[Bug target/104977] [avx512fp16] wrong code for vfmaddcsh when -masm=intel.

[crazylht at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104977

--- Comment #1 from Hongtao.liu <crazylht at gmail dot com> ---
Similar for _mm_fmadd_round_sch

[Bug target/104977] [avx512fp16] wrong code for vfmaddcsh when -masm=intel.

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104977

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Hongyu Wang <hongyuw@gcc.gnu.org>:

https://gcc.gnu.org/g:e767da23de12ceb1bf3aece4dae0ae20bf605b04

commit r12-7730-ge767da23de12ceb1bf3aece4dae0ae20bf605b04
Author: Hongyu Wang <hongyu.wang@intel.com>
Date:   Fri Mar 18 23:47:35 2022 +0800

    AVX512FP16: Fix masm=intel output for vfc?(madd|mul)csh [PR 104977]

    Fix typo in subst for scalar complex mask_round operand.

    gcc/ChangeLog:

            PR target/104977
            * config/i386/sse.md
           
(avx512fp16_fma<complexopname>sh_v8hf<mask_scalarcz_name><round_scalarcz_name>):
            Correct round operand for intel dialect.

    gcc/testsuite/ChangeLog:

            PR target/104977
            * gcc.target/i386/pr104977.c: New test.

[Bug target/104977] [avx512fp16] wrong code for vfmaddcsh when -masm=intel.

[wwwhhhyyy333 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104977

--- Comment #3 from Hongyu Wang <wwwhhhyyy333 at gmail dot com> ---
Fixed for GCC 12.

[Bug target/104977] [avx512fp16] wrong code for vfmaddcsh when -masm=intel.

[crazylht at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104977

Hongtao.liu <crazylht at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #4 from Hongtao.liu <crazylht at gmail dot com> ---
.