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target/avr: Use translator_use_goto_tb 

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>
This commit is contained in:
Richard Henderson 2021-06-20 15:58:37 -07:00
parent 97f11c8169
commit a50d52bc3b
1 changed files with 6 additions and 3 deletions
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9
target/avr/translate.c
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@ -1083,14 +1083,17 @@ static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
{
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;
}