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target/arm: Set ISSIs16Bit in make_issinfo

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During the conversion to decodetree, the setting of
ISSIs16Bit got lost.  This causes the guest os to
incorrectly adjust trapping memory operations.

Cc: qemu-stable@nongnu.org
Fixes: 46beb58efb ("target/arm: Convert T16, load (literal)")
Reported-by: Jeff Kubascik <jeff.kubascik@dornerworks.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200117004618.2742-3-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 1a1fbc6cbb)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
This commit is contained in:
Richard Henderson
2020-01-17 14:09:31 +00:00
committed by Michael Roth
parent 4412cb3bca
commit 77d9c84d9f
1 changed files with 3 additions and 0 deletions
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3
target/arm/translate.c
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@@ -8556,6 +8556,9 @@ static ISSInfo make_issinfo(DisasContext *s, int rd, bool p, bool w)
/* ISS not valid if writeback */ /* ISS not valid if writeback */
if (p && !w) { if (p && !w) {
ret = rd; ret = rd;
if (s->base.pc_next - s->pc_curr == 2) {
ret |= ISSIs16Bit;
}
} else { } else {
ret = ISSInvalid; ret = ISSInvalid;
} }