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Re: [PATCH for-6.2 07/53] target/arm: Fix MVE 48-bit SQRSHRL for small r
From: |
Peter Maydell |
Subject: |
Re: [PATCH for-6.2 07/53] target/arm: Fix MVE 48-bit SQRSHRL for small right shifts |
Date: |
Thu, 12 Aug 2021 10:43:09 +0100 |
On Fri, 30 Jul 2021 at 20:07, Richard Henderson
<richard.henderson@linaro.org> wrote:
> I'll note two things:
>
> (1) The val == extval check could be sunk to the end of the function and
> shared with the
> left shift,
>
> (2) sat will never be unset, as #48 is encoded as sat=1 in the insn.
True; I'm kind of aiming for parity with the other sqrshl utility routines,
which is why the unused no-saturation code is in there.
-- PMM
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- Re: [PATCH for-6.2 07/53] target/arm: Fix MVE 48-bit SQRSHRL for small right shifts,
Peter Maydell <=