Single stepping is not the only reason not to use goto_tb.
If goto_tb is disallowed, and single-stepping is not enabled,
then use tcg_gen_lookup_and_goto_tb to indirectly chain.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
{
const TranslationBlock *tb = ctx->base.tb;
- if (!ctx->base.singlestep_enabled) {
+ if (translator_use_goto_tb(&ctx->base, dest)) {
tcg_gen_goto_tb(n);
tcg_gen_movi_i32(cpu_pc, dest);
tcg_gen_exit_tb(tb, n);
} else {
tcg_gen_movi_i32(cpu_pc, dest);
- gen_helper_debug(cpu_env);
- tcg_gen_exit_tb(NULL, 0);
+ if (ctx->base.singlestep_enabled) {
+ gen_helper_debug(cpu_env);
+ } else {
+ tcg_gen_lookup_and_goto_ptr();
+ }
}
ctx->base.is_jmp = DISAS_NORETURN;
}