target/m68k: Replace DISAS_TB_JUMP with DISAS_NORETURN

We have exited the TB after using goto_tb; there is no
distinction from DISAS_NORETURN.

Backports commit 825340f5659647deb62743c3cb479ec8d78f1862 from qemu
This commit is contained in:
Richard Henderson 2018-06-15 10:45:31 -04:00 committed by Lioncash
parent 3c01ea765d
commit 76b8bd614d
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GPG key ID: 4E3C3CC1031BA9C7

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@ -188,7 +188,6 @@ static void do_writebacks(DisasContext *s)
/* is_jmp field values */
#define DISAS_JUMP DISAS_TARGET_0 /* only pc was modified dynamically */
#define DISAS_UPDATE DISAS_TARGET_1 /* cpu state was modified dynamically */
#define DISAS_TB_JUMP DISAS_TARGET_2 /* only pc was modified statically */
#define DISAS_JUMP_NEXT DISAS_TARGET_3
#if defined(CONFIG_USER_ONLY)
@ -1534,7 +1533,7 @@ static void gen_jmp_tb(DisasContext *s, int n, uint32_t dest)
gen_jmp_im(s, dest);
tcg_gen_exit_tb(tcg_ctx, NULL, 0);
}
s->is_jmp = DISAS_TB_JUMP;
s->is_jmp = DISAS_NORETURN;
}
DISAS_INSN(scc)
@ -6418,7 +6417,6 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb)
/* indicate that the hash table must be used to find the next TB */
tcg_gen_exit_tb(tcg_ctx, NULL, 0);
break;
case DISAS_TB_JUMP:
case DISAS_NORETURN:
/* nothing more to generate */
break;