[Bug target/103774] [i386] GCC should swap the arguments to certain functions to generate a single instruction

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103774

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2021-12-20
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(define_insn "<avx512>_ucmp<mode>3<mask_scalar_merge_name>"
  [(set (match_operand:<avx512fmaskmode> 0 "register_operand" "=k")
        (unspec:<avx512fmaskmode>
          [(match_operand:VI12_AVX512VL 1 "register_operand" "v")
           (match_operand:VI12_AVX512VL 2 "nonimmediate_operand" "vm")
           (match_operand:SI 3 "const_0_to_7_operand" "n")]
          UNSPEC_UNSIGNED_PCMP))]
  "TARGET_AVX512BW"
  "vpcmpu<ssemodesuffix>\t{%3, %2, %1,
%0<mask_scalar_merge_operand4>|%0<mask_scalar_merge_operand4>, %1, %2, %3}"
  [(set_attr "type" "ssecmp")
   (set_attr "length_immediate" "1")
   (set_attr "prefix" "evex")
   (set_attr "mode" "<sseinsnmode>")])