[PATCH] [AVX512]For vector compare to mask register, UNSPEC is needed instead of comparison operator [PR96243]
Tue Aug 4 10:26:32 GMT 2020
On 20 июл 13:46, Hongtao Liu wrote:
> For rtx like (eq:HI (V8SI 90) (V8SI 91)), cse will take it as a
> boolean value and try to do some optimization. But it is not true for
> vector compare, also other places in rtl passes hold the same
> Bootstrap is ok, regression test is ok for i386 backend.
> 2020-07-20 Hongtao Liu <firstname.lastname@example.org>
> PR target/96226
Could you please clarify, how your patch relared to ?
I see from the bug that it describes perf issue w.r.t. scalar
Regards, Kirill Yukhin
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