From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52529) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gX6Mh-0000zk-8c for qemu-devel@nongnu.org; Wed, 12 Dec 2018 10:24:00 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gX6Mg-0000QG-2h for qemu-devel@nongnu.org; Wed, 12 Dec 2018 10:23:59 -0500 Received: from mail-wm1-x335.google.com ([2a00:1450:4864:20::335]:53269) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gX6Mf-0000PV-R1 for qemu-devel@nongnu.org; Wed, 12 Dec 2018 10:23:57 -0500 Received: by mail-wm1-x335.google.com with SMTP id y1so6138256wmi.3 for ; Wed, 12 Dec 2018 07:23:57 -0800 (PST) Sender: Paolo Bonzini From: Paolo Bonzini Date: Wed, 12 Dec 2018 16:22:57 +0100 Message-Id: <1544628195-37728-37-git-send-email-pbonzini@redhat.com> In-Reply-To: <1544628195-37728-1-git-send-email-pbonzini@redhat.com> References: <1544628195-37728-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PULL 36/54] tcg/tcg.h: Remove GCC check for tcg_debug_assert() macro List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Thomas Huth From: Thomas Huth Both GCC v4.8 and Clang v3.4 support (our minimum versions) support __builtin_unreachable(), so we can remove the version check here now. Reviewed-by: Richard Henderson Signed-off-by: Thomas Huth Message-Id: <1543937577-28256-5-git-send-email-thuth@redhat.com> --- tcg/tcg.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/tcg/tcg.h b/tcg/tcg.h index cbe4309..973a757 100644 --- a/tcg/tcg.h +++ b/tcg/tcg.h @@ -230,11 +230,9 @@ typedef uint64_t tcg_insn_unit; #if defined CONFIG_DEBUG_TCG || defined QEMU_STATIC_ANALYSIS # define tcg_debug_assert(X) do { assert(X); } while (0) -#elif QEMU_GNUC_PREREQ(4, 5) +#else # define tcg_debug_assert(X) \ do { if (!(X)) { __builtin_unreachable(); } } while (0) -#else -# define tcg_debug_assert(X) do { (void)(X); } while (0) #endif typedef struct TCGRelocation { -- 1.8.3.1