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[PULL,07/18] target/arm/translate: ensure gen_goto_tb sets exit flags

Message ID 1500295494-8991-8-git-send-email-peter.maydell@linaro.org
State Accepted
Commit 4cae8f56fbab2798586576a56cc669f0127d04fb
Headers show
Series target-arm queue | expand

Commit Message

Peter Maydell July 17, 2017, 12:44 p.m. UTC 
From: Alex Bennée <alex.bennee@linaro.org>


As the gen_goto_tb function can do both static and dynamic jumps it
should also set the is_jmp field. This matches the behaviour of the
a64 code.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

Reviewed-by: Richard Henderson <rth@twiddle.net>

Message-id: 20170713141928.25419-5-alex.bennee@linaro.org
[tweak to multiline comment formatting]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

---
 target/arm/translate.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

-- 
2.7.4
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Patch

diff --git a/target/arm/translate.c b/target/arm/translate.c
index 5f2cea8..bbae519 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -4158,6 +4158,10 @@  static void gen_goto_ptr(void)
     tcg_temp_free(addr);
 }
 
+/* This will end the TB but doesn't guarantee we'll return to
+ * cpu_loop_exec. Any live exit_requests will be processed as we
+ * enter the next TB.
+ */
 static void gen_goto_tb(DisasContext *s, int n, target_ulong dest)
 {
     if (use_goto_tb(s, dest)) {
@@ -4168,6 +4172,7 @@  static void gen_goto_tb(DisasContext *s, int n, target_ulong dest)
         gen_set_pc_im(s, dest);
         gen_goto_ptr();
     }
+    s->is_jmp = DISAS_TB_JUMP;
 }
 
 static inline void gen_jmp (DisasContext *s, uint32_t dest)
@@ -4179,7 +4184,6 @@  static inline void gen_jmp (DisasContext *s, uint32_t dest)
         gen_bx_im(s, dest);
     } else {
         gen_goto_tb(s, 0, dest);
-        s->is_jmp = DISAS_TB_JUMP;
     }
 }