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-rw-r--r--exec-all.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/exec-all.h b/exec-all.h
index 93e0b5ddfb..dd134a99f8 100644
--- a/exec-all.h
+++ b/exec-all.h
@@ -208,7 +208,9 @@ static inline void tb_set_jmp_target1(unsigned long jmp_addr, unsigned long addr
#endif
/* we could use a ldr pc, [pc, #-4] kind of branch and avoid the flush */
- *(uint32_t *)jmp_addr |= ((addr - (jmp_addr + 8)) >> 2) & 0xffffff;
+ *(uint32_t *)jmp_addr =
+ (*(uint32_t *)jmp_addr & ~0xffffff)
+ | (((addr - (jmp_addr + 8)) >> 2) & 0xffffff);
#if QEMU_GNUC_PREREQ(4, 1)
__clear_cache((char *) jmp_addr, (char *) jmp_addr + 4);