target/nios2: Use gen_goto_tb for DISAS_TOO_MANY

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>
Message-Id: <20220421151735.31996-51-richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-04-21 08:17:21 -07:00
parent 3ad5935c58
commit 5b843284d8

View File

@ -905,8 +905,11 @@ 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;