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target/arm: Relax r13 restriction for ldrex/strex for v8.0
authorRichard Henderson <richard.henderson@linaro.org>
Tue, 19 Nov 2019 13:20:28 +0000 (13:20 +0000)
committerPeter Maydell <peter.maydell@linaro.org>
Tue, 19 Nov 2019 13:20:28 +0000 (13:20 +0000)
commitd46ad79efac7aaf9f0eb9f5a96a576e9f39200e0
treefdfe771b0a836c53a6188c92e1ea109c66c7ee63tree | snapshot
parent655b02646dc175dc10666459b0a1e4346fc8d46acommit | diff
target/arm: Relax r13 restriction for ldrex/strex for v8.0

Armv8-A removes UNPREDICTABLE for R13 for these cases.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20191117090621.32425-3-richard.henderson@linaro.org
[PMM: changed ENABLE_ARCH_8 checks to check a new bool 'v8a',
 since these cases are still UNPREDICTABLE for v8M]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
target/arm/translate.c diff | blob | history
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