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target/arm: Implement MVE VPST

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Implement the MVE VPST insn, which sets the predicate mask
fields in the VPR to the immediate value encoded in the insn.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210617121628.20116-27-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-06-17 13:16:10 +01:00
parent b050543b68
commit 387debdb93
2 changed files with 63 additions and 0 deletions
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4
target/arm/mve.decode
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@ -168,3 +168,7 @@ VHADD_U_scalar 1111 1110 0 . .. ... 0 ... 0 1111 . 100 .... @2scalar
VHSUB_S_scalar 1110 1110 0 . .. ... 0 ... 1 1111 . 100 .... @2scalar
VHSUB_U_scalar 1111 1110 0 . .. ... 0 ... 1 1111 . 100 .... @2scalar
VBRSR 1111 1110 0 . .. ... 1 ... 1 1110 . 110 .... @2scalar
# Predicate operations
%mask_22_13 22:1 13:3
VPST 1111 1110 0 . 11 000 1 ... 0 1111 0100 1101 mask=%mask_22_13