From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59561) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d5dOU-0001xL-27 for qemu-devel@nongnu.org; Tue, 02 May 2017 15:23:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d5dOT-0001lz-4d for qemu-devel@nongnu.org; Tue, 02 May 2017 15:23:30 -0400 Received: from mail-qk0-x243.google.com ([2607:f8b0:400d:c09::243]:36364) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1d5dOT-0001le-0Y for qemu-devel@nongnu.org; Tue, 02 May 2017 15:23:29 -0400 Received: by mail-qk0-x243.google.com with SMTP id o4so4542592qkb.3 for ; Tue, 02 May 2017 12:23:28 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Tue, 2 May 2017 12:22:53 -0700 Message-Id: <20170502192300.2124-19-rth@twiddle.net> In-Reply-To: <20170502192300.2124-1-rth@twiddle.net> References: <20170502192300.2124-1-rth@twiddle.net> Subject: [Qemu-devel] [PATCH v6 18/25] target/s390: Use tcg_gen_lookup_and_goto_ptr List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: cota@braap.org Signed-off-by: Richard Henderson --- target/s390x/translate.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 01c6217..f7c2123 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -608,11 +608,16 @@ static void gen_op_calc_cc(DisasContext *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) || - (s->tb->cflags & CF_LAST_IO) || - (s->tb->flags & FLAG_MASK_PER)) { + return (s->singlestep_enabled || + (s->tb->cflags & CF_LAST_IO) || + (s->tb->flags & FLAG_MASK_PER)); +} + +static bool use_goto_tb(DisasContext *s, uint64_t dest) +{ + if (unlikely(use_exit_tb(s))) { return false; } #ifndef CONFIG_USER_ONLY @@ -5426,8 +5431,10 @@ void gen_intermediate_code(CPUS390XState *env, struct TranslationBlock *tb) /* Exit the TB, either by raising a debug exception or by return. */ if (do_debug) { gen_exception(EXCP_DEBUG); - } else { + } else if (use_exit_tb(&dc)) { tcg_gen_exit_tb(0); + } else { + tcg_gen_lookup_and_goto_ptr(psw_addr); } break; default: -- 2.9.3