aboutsummaryrefslogtreecommitdiff
path: root/target-i386/translate.c
diff options
context:
space:
mode:
Diffstat (limited to 'target-i386/translate.c')
-rw-r--r--target-i386/translate.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 058d85a1ab..868c26244b 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -2085,20 +2085,25 @@ static inline int insn_const_size(TCGMemOp ot)
}
}
+static inline bool use_goto_tb(DisasContext *s, target_ulong pc)
+{
+#ifndef CONFIG_USER_ONLY
+ return (pc & TARGET_PAGE_MASK) == (s->tb->pc & TARGET_PAGE_MASK) ||
+ (pc & TARGET_PAGE_MASK) == (s->pc_start & TARGET_PAGE_MASK);
+#else
+ return true;
+#endif
+}
+
static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong eip)
{
- TranslationBlock *tb;
- target_ulong pc;
-
- pc = s->cs_base + eip;
- tb = s->tb;
- /* NOTE: we handle the case where the TB spans two pages here */
- if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) ||
- (pc & TARGET_PAGE_MASK) == (s->pc_start & TARGET_PAGE_MASK)) {
+ target_ulong pc = s->cs_base + eip;
+
+ if (use_goto_tb(s, pc)) {
/* jump to same page: we can use a direct jump */
tcg_gen_goto_tb(tb_num);
gen_jmp_im(eip);
- tcg_gen_exit_tb((uintptr_t)tb + tb_num);
+ tcg_gen_exit_tb((uintptr_t)s->tb + tb_num);
} else {
/* jump to another page: currently not optimized */
gen_jmp_im(eip);