target/m68k: Use lookup_and_goto_tb for DISAS_JUMP

These are all indirect or out-of-page direct jumps.
We can indirectly chain to the next TB without going
back to the main loop.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180512050250.12774-5-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson 2018-05-11 22:02:45 -07:00 committed by Laurent Vivier
parent 707ddb5ac6
commit 8aaf7da9c3

View File

@ -6139,8 +6139,11 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb)
update_cc_op(dc);
gen_jmp_tb(dc, 0, dc->pc);
break;
default:
case DISAS_JUMP:
/* We updated CC_OP and PC in gen_jmp/gen_jmp_im. */
tcg_gen_lookup_and_goto_ptr();
break;
default:
case DISAS_UPDATE:
update_cc_op(dc);
/* indicate that the hash table must be used to find the next TB */