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target/s390: Use tcg_gen_lookup_and_goto_ptr

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Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2017-04-30 13:32:10 +02:00
parent 5786e0683c
commit 6350001e83
1 changed files with 12 additions and 5 deletions
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17
target/s390x/translate.c
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@ -608,11 +608,16 @@ static void gen_op_calc_cc(DisasContext *s)
set_cc_static(s); set_cc_static(s);
} }
static int use_goto_tb(DisasContext *s, uint64_t dest) static bool use_exit_tb(DisasContext *s)
{ {
if (unlikely(s->singlestep_enabled) || return (s->singlestep_enabled ||
(s->tb->cflags & CF_LAST_IO) || (s->tb->cflags & CF_LAST_IO) ||
(s->tb->flags & FLAG_MASK_PER)) { (s->tb->flags & FLAG_MASK_PER));
}
static bool use_goto_tb(DisasContext *s, uint64_t dest)
{
if (unlikely(use_exit_tb(s))) {
return false; return false;
} }
#ifndef CONFIG_USER_ONLY #ifndef CONFIG_USER_ONLY
@ -5461,8 +5466,10 @@ void gen_intermediate_code(CPUS390XState *env, struct TranslationBlock *tb)
/* Exit the TB, either by raising a debug exception or by return. */ /* Exit the TB, either by raising a debug exception or by return. */
if (do_debug) { if (do_debug) {
gen_exception(EXCP_DEBUG); gen_exception(EXCP_DEBUG);
} else { } else if (use_exit_tb(&dc)) {
tcg_gen_exit_tb(0); tcg_gen_exit_tb(0);
} else {
tcg_gen_lookup_and_goto_ptr(psw_addr);
} }
break; break;
default: default: