[PATCH 6/7] target/microblaze: Use tcg_gen_lookup_and_goto_ptr

Richard Henderson posted 7 patches 5 years, 2 months ago
Maintainers: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
There is a newer version of this series
[PATCH 6/7] target/microblaze: Use tcg_gen_lookup_and_goto_ptr
Posted by Richard Henderson 5 years, 2 months ago
Normal indirect jumps, or page-crossing direct jumps, can use
tcg_gen_lookup_and_goto_ptr to avoid returning to the main loop
simply to find an existing TB for the next pc.

Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/microblaze/translate.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
index a94f3e340e..4416361d08 100644
--- a/target/microblaze/translate.c
+++ b/target/microblaze/translate.c
@@ -147,7 +147,7 @@ static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest)
         tcg_gen_exit_tb(dc->base.tb, n);
     } else {
         tcg_gen_movi_i32(cpu_pc, dest);
-        tcg_gen_exit_tb(NULL, 0);
+        tcg_gen_lookup_and_goto_ptr();
     }
     dc->base.is_jmp = DISAS_NORETURN;
 }
@@ -1803,7 +1803,7 @@ static void mb_tr_tb_stop(DisasContextBase *dcb, CPUState *cs)
         if (unlikely(cs->singlestep_enabled)) {
             gen_raise_exception(dc, EXCP_DEBUG);
         } else {
-            tcg_gen_exit_tb(NULL, 0);
+            tcg_gen_lookup_and_goto_ptr();
         }
         return;
 
-- 
2.25.1