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x86: fold two of vec_dupv2df<mask_name>'s alternatives

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By using Yvm in the source, both can be expressed in one.

gcc/

	* config/i386/sse.md (vec_dupv2df<mask_name>): Fold the middle
	two of the alternatives.
This commit is contained in:
Jan Beulich 2023-08-02 11:04:37 +02:00
parent 0d6a022020
commit 68c3aa7510
1 changed files with 7 additions and 8 deletions
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15
gcc/config/i386/sse.md
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@ -13784,21 +13784,20 @@
(set_attr "mode" "DF,DF,V1DF,V1DF,V1DF,V2DF,V1DF,V1DF,V1DF")])
(define_insn "vec_dupv2df<mask_name>"
[(set (match_operand:V2DF 0 "register_operand" "=x,x,v,v")
[(set (match_operand:V2DF 0 "register_operand" "=x,v,v")
(vec_duplicate:V2DF
(match_operand:DF 1 "nonimmediate_operand" "0,xm,vm,vm")))]
(match_operand:DF 1 "nonimmediate_operand" "0,Yvm,vm")))]
"TARGET_SSE2"
"@
unpcklpd\t%0, %0
%vmovddup\t{%1, %0<mask_operand2>|%0<mask_operand2>, %1}
vmovddup\t{%1, %0<mask_operand2>|%0<mask_operand2>, %1}
vbroadcastsd\t{%1, }%g0<mask_operand2>{|, %1}"
[(set_attr "isa" "noavx,sse3,avx512vl,*")
(set_attr "type" "sselog1,ssemov,ssemov,ssemov")
(set_attr "prefix" "orig,maybe_vex,evex,evex")
(set_attr "mode" "V2DF,DF,DF,V8DF")
[(set_attr "isa" "noavx,sse3,*")
(set_attr "type" "sselog1,ssemov,ssemov")
(set_attr "prefix" "orig,maybe_evex,evex")
(set_attr "mode" "V2DF,DF,V8DF")
(set (attr "enabled")
(cond [(eq_attr "alternative" "3")
(cond [(eq_attr "alternative" "2")
(symbol_ref "TARGET_AVX512F && !TARGET_AVX512VL
&& !TARGET_PREFER_AVX256")
(match_test "<mask_avx512vl_condition>")