[PATCH v7 50/64] target/nios2: Use gen_goto_tb for DISAS_TOO_MANY

Richard Henderson posted 64 patches 3 years, 9 months ago
Maintainers: Chris Wulff <crwulff@gmail.com>, Marek Vasut <marex@denx.de>, Laurent Vivier <laurent@vivier.eu>
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[PATCH v7 50/64] target/nios2: Use gen_goto_tb for DISAS_TOO_MANY
Posted by Richard Henderson 3 years, 9 months ago
Depending on the reason for ending the TB, we can chain
to the next TB because the PC is constant.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/nios2/translate.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/target/nios2/translate.c b/target/nios2/translate.c
index 1686d2b82f..c9b5de2981 100644
--- a/target/nios2/translate.c
+++ b/target/nios2/translate.c
@@ -904,8 +904,11 @@ static void nios2_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
     /* Indicate where the next block should start */
     switch (dc->base.is_jmp) {
     case DISAS_TOO_MANY:
+        gen_goto_tb(dc, 0, dc->base.pc_next);
+        break;
+
     case DISAS_UPDATE:
-        /* Save the current PC back into the CPU register */
+        /* Save the current PC, and return to the main loop. */
         tcg_gen_movi_tl(cpu_pc, dc->base.pc_next);
         tcg_gen_exit_tb(NULL, 0);
         break;
-- 
2.34.1