[v3,16/28] target/mips: Fix missing else in gen_goto_tb

Commit Message

Richard Henderson July 8, 2021, 4:40 p.m. UTC

Do not emit dead code for the singlestep_enabled case,
after having exited the TB with a debug exception.

Reviewed-by: Philippe Mathieu-Daudé <[e-mail]>
Signed-off-by: Richard Henderson <[e-mail]>
---
 target/mips/tcg/translate.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Patch

diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c
index f22d06952f..8e8f3858b6 100644
--- a/target/mips/tcg/translate.c
+++ b/target/mips/tcg/translate.c
@@ -4959,8 +4959,9 @@  static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
         if (ctx->base.singlestep_enabled) {
             save_cpu_state(ctx, 0);
             gen_helper_raise_exception_debug(cpu_env);
+        } else {
+            tcg_gen_lookup_and_goto_ptr();
         }
-        tcg_gen_lookup_and_goto_ptr();
     }
 }