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target/arm: Implement MVE WLSTP insn

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Implement the MVE WLSTP insn; this is like the existing WLS insn,
except that it specifies a size value which is used to set
FPSCR.LTPSIZE.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210614151007.4545-8-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-06-14 16:09:17 +01:00
parent 76c32d721d
commit 6822abfdf8
2 changed files with 42 additions and 3 deletions
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8
target/arm/t32.decode
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@ -672,8 +672,12 @@ BL 1111 0. .......... 11.1 ............ @branch24
%lob_imm 1:10 11:1 !function=times_2
DLS 1111 0 0000 100 rn:4 1110 0000 0000 0001
WLS 1111 0 0000 100 rn:4 1100 . .......... 1 imm=%lob_imm
LE 1111 0 0000 0 f:1 0 1111 1100 . .......... 1 imm=%lob_imm
WLS 1111 0 0000 100 rn:4 1100 . .......... 1 imm=%lob_imm size=4
{
LE 1111 0 0000 0 f:1 0 1111 1100 . .......... 1 imm=%lob_imm
# This is WLSTP
WLS 1111 0 0000 0 size:2 rn:4 1100 . .......... 1 imm=%lob_imm
}
LCTP 1111 0 0000 000 1111 1110 0000 0000 0001
]