https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105854

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

           What    |Removed                     |Added
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                 CC|                            |crazylht at gmail dot com

--- Comment #1 from Hongtao.liu <crazylht at gmail dot com> ---
21114(define_insn_and_split "ssse3_palignrdi"
21115  [(set (match_operand:DI 0 "register_operand" "=y,x,Yv")
21116        (unspec:DI [(match_operand:DI 1 "register_operand" "0,0,Yv")
21117                    (match_operand:DI 2 "register_mmxmem_operand"
"ym,x,Yv")
21118                    (match_operand:SI 3 "const_0_to_255_mul_8_operand")]
21119                   UNSPEC_PALIGNR))]
21120  "(TARGET_MMX || TARGET_MMX_WITH_SSE) && TARGET_SSSE3"

Alternative 2 requires Yw instead of Yv since it's splitted to vpsrldq which
requires AVX512VL & AVX512BW for evex version.

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