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-rw-r--r--tcg/arm/tcg-target.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c
index 1eb5605f8c..918e2f73cb 100644
--- a/tcg/arm/tcg-target.c
+++ b/tcg/arm/tcg-target.c
@@ -352,6 +352,9 @@ static inline void tcg_out_b(TCGContext *s, int cond, int32_t offset)
static inline void tcg_out_b_noaddr(TCGContext *s, int cond)
{
+ /* We pay attention here to not modify the branch target by skipping
+ the corresponding bytes. This ensure that caches and memory are
+ kept coherent during retranslation. */
#ifdef HOST_WORDS_BIGENDIAN
tcg_out8(s, (cond << 4) | 0x0a);
s->code_ptr += 3;