From: Richard Henderson <richard.hender...@linaro.org> During the conversion to decodetree, the setting of ISSIs16Bit got lost. This causes the guest os to incorrectly adjust trapping memory operations.
Cc: qemu-sta...@nongnu.org Fixes: 46beb58efbb8a2a32 ("target/arm: Convert T16, load (literal)") Reported-by: Jeff Kubascik <jeff.kubas...@dornerworks.com> Signed-off-by: Richard Henderson <richard.hender...@linaro.org> Message-id: 20200117004618.2742-3-richard.hender...@linaro.org Reviewed-by: Peter Maydell <peter.mayd...@linaro.org> Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> (cherry picked from commit 1a1fbc6cbb34c26d43d8360c66c1d21681af14a9) Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com> --- target/arm/translate.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target/arm/translate.c b/target/arm/translate.c index 83aa331b1e..ad052a2abd 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -8556,6 +8556,9 @@ static ISSInfo make_issinfo(DisasContext *s, int rd, bool p, bool w) /* ISS not valid if writeback */ if (p && !w) { ret = rd; + if (s->base.pc_next - s->pc_curr == 2) { + ret |= ISSIs16Bit; + } } else { ret = ISSInvalid; } -- 2.17.1