* [PATCH] negv{32qi,16hi,8si,4di}
@ 2011-10-14 14:57 Jakub Jelinek
2011-10-14 15:45 ` Richard Henderson
0 siblings, 1 reply; 2+ messages in thread
From: Jakub Jelinek @ 2011-10-14 14:57 UTC (permalink / raw)
To: Richard Henderson, Uros Bizjak; +Cc: gcc-patches
Hi!
This patch allows to vectorize negations using 32-byte vectors.
2011-10-14 Jakub Jelinek <jakub@redhat.com>
* config/i386/sse.md (neg<mode>2): Use VI_AVX2 iterator instead
of VI_128.
--- gcc/config/i386/sse.md.jj 2011-10-14 13:05:58.000000000 +0200
+++ gcc/config/i386/sse.md 2011-10-14 13:56:55.000000000 +0200
@@ -4860,10 +4860,10 @@ (define_insn "*vec_concatv2df"
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define_expand "neg<mode>2"
- [(set (match_operand:VI_128 0 "register_operand" "")
- (minus:VI_128
+ [(set (match_operand:VI_AVX2 0 "register_operand" "")
+ (minus:VI_AVX2
(match_dup 2)
- (match_operand:VI_128 1 "nonimmediate_operand" "")))]
+ (match_operand:VI_AVX2 1 "nonimmediate_operand" "")))]
"TARGET_SSE2"
"operands[2] = force_reg (<MODE>mode, CONST0_RTX (<MODE>mode));")
Jakub
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] negv{32qi,16hi,8si,4di}
2011-10-14 14:57 [PATCH] negv{32qi,16hi,8si,4di} Jakub Jelinek
@ 2011-10-14 15:45 ` Richard Henderson
0 siblings, 0 replies; 2+ messages in thread
From: Richard Henderson @ 2011-10-14 15:45 UTC (permalink / raw)
To: Jakub Jelinek; +Cc: Uros Bizjak, gcc-patches
On 10/14/2011 07:19 AM, Jakub Jelinek wrote:
> 2011-10-14 Jakub Jelinek <jakub@redhat.com>
>
> * config/i386/sse.md (neg<mode>2): Use VI_AVX2 iterator instead
> of VI_128.
Ok.
r~
^ permalink raw reply [flat|nested] 2+ messages in thread
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