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target/arm: Implement MVE VQDMLADH and VQRDMLADH

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Implement the MVE VQDMLADH and VQRDMLADH insns.  These multiply
elements, and then add pairs of products, double, possibly round,
saturate and return the high half of the result.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210617121628.20116-37-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-06-17 13:16:20 +01:00
parent bb002345eb
commit fd677f8055
4 changed files with 114 additions and 0 deletions
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4
target/arm/translate-mve.c
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@ -410,6 +410,10 @@ DO_2OP(VQSHL_S, vqshls)
DO_2OP(VQSHL_U, vqshlu)
DO_2OP(VQRSHL_S, vqrshls)
DO_2OP(VQRSHL_U, vqrshlu)
DO_2OP(VQDMLADH, vqdmladh)
DO_2OP(VQDMLADHX, vqdmladhx)
DO_2OP(VQRDMLADH, vqrdmladh)
DO_2OP(VQRDMLADHX, vqrdmladhx)
static bool do_2op_scalar(DisasContext *s, arg_2scalar *a,
MVEGenTwoOpScalarFn fn)