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target/arm: Implement MVE VHCADD

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Implement the MVE VHCADD insn, which is similar to VCADD
but performs a halving step. This one overlaps with VADC.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210617121628.20116-43-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-06-17 13:16:26 +01:00
parent 67ec113b11
commit 8625693ac4
4 changed files with 19 additions and 3 deletions
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4
target/arm/translate-mve.c
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@ -423,10 +423,12 @@ DO_2OP(VRHADD_U, vrhaddu)
/*
* VCADD Qd == Qm at size MO_32 is UNPREDICTABLE; we choose not to diagnose
* so we can reuse the DO_2OP macro. (Our implementation calculates the
* "expected" results in this case.)
* "expected" results in this case.) Similarly for VHCADD.
*/
DO_2OP(VCADD90, vcadd90)
DO_2OP(VCADD270, vcadd270)
DO_2OP(VHCADD90, vhcadd90)
DO_2OP(VHCADD270, vhcadd270)
static bool trans_VQDMULLB(DisasContext *s, arg_2op *a)
{