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Re: [PATCH RFC] target/arm: Implement SVE2 SPLICE, EXT
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From: |
Richard Henderson |
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Subject: |
Re: [PATCH RFC] target/arm: Implement SVE2 SPLICE, EXT |
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Date: |
Fri, 24 Apr 2020 15:30:49 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 |
On 4/23/20 11:03 AM, Stephen Long wrote:
> Signed-off-by: Stephen Long <address@hidden>
>
> I'm not sure I can just use the SVE helper functions for the SVE2
> variants of EXT and SPLICE.
Absolutely. The new insns are functionally identical to movprfx + the old
insn. I presume the new insns were added for code density reasons, but I don't
know for sure.
> +SPLICE_zpz 00000101 .. 101 101 100 ... ..... ..... @rd_pg_rn
> +EXT_zzi 00000101 011 ..... 000 ... rn:5 rd:5 \
I have renamed these to SPLICE_sve2 and EXT_sve2, since the same suffix applies
to the original too.
Applied to my SVE2 branch. Thanks!
r~