[PULL 15/15] target/arm: Set ISSIs16Bit in make_issinfo

[Peter Maydell]

From: Richard Henderson <address@hidden>

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

Cc: address@hidden
Fixes: 46beb58efbb8a2a32 ("target/arm: Convert T16, load (literal)")
Reported-by: Jeff Kubascik <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Message-id: address@hidden
Reviewed-by: Peter Maydell <address@hidden>
Signed-off-by: Peter Maydell <address@hidden>
---
 target/arm/translate.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/target/arm/translate.c b/target/arm/translate.c
index 0c8624fb42e..2f4aea927f1 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;
     }
-- 
2.20.1