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target/arm: Implement MVE VMULH

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Implement the MVE VMULH insn, which performs a vector
multiply and returns 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: 20210617121628.20116-14-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-06-17 13:15:57 +01:00
parent 9333fe4dd3
commit ba62cc56e8
4 changed files with 38 additions and 0 deletions
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3
target/arm/mve.decode
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@ -82,6 +82,9 @@ VADD 1110 1111 0 . .. ... 0 ... 0 1000 . 1 . 0 ... 0 @2op
VSUB 1111 1111 0 . .. ... 0 ... 0 1000 . 1 . 0 ... 0 @2op
VMUL 1110 1111 0 . .. ... 0 ... 0 1001 . 1 . 1 ... 0 @2op
VMULH_S 111 0 1110 0 . .. ...1 ... 0 1110 . 0 . 0 ... 1 @2op
VMULH_U 111 1 1110 0 . .. ...1 ... 0 1110 . 0 . 0 ... 1 @2op
# Vector miscellaneous
VCLS 1111 1111 1 . 11 .. 00 ... 0 0100 01 . 0 ... 0 @1op