Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755298Ab3IYKrb (ORCPT ); Wed, 25 Sep 2013 06:47:31 -0400 Received: from mail-pb0-f48.google.com ([209.85.160.48]:38056 "EHLO mail-pb0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755121Ab3IYKr2 (ORCPT ); Wed, 25 Sep 2013 06:47:28 -0400 From: Jiang Liu To: Steven Rostedt , Catalin Marinas , Will Deacon , Jiang Liu , linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Jiang Liu Subject: [PATCH v1 5/7] arm64, jump label: detect %c support for ARM64 Date: Wed, 25 Sep 2013 18:44:25 +0800 Message-Id: <1380105868-31985-6-git-send-email-liuj97@gmail.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1380105868-31985-1-git-send-email-liuj97@gmail.com> References: <1380105868-31985-1-git-send-email-liuj97@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1294 Lines: 38 From: Jiang Liu As commit a9468f30b5eac6 "ARM: 7333/2: jump label: detect %c support for ARM", this patch detects the same thing for ARM64 because some ARM64 GCC versions have the same issue. Some versions of ARM64 GCC which do support asm goto, do not support the %c specifier. Since we need the %c to support jump labels on ARM64, detect that too in the asm goto detection script to avoid build errors with these versions. Signed-off-by: Jiang Liu Cc: Jiang Liu --- scripts/gcc-goto.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/gcc-goto.sh b/scripts/gcc-goto.sh index a2af2e8..c9469d3 100644 --- a/scripts/gcc-goto.sh +++ b/scripts/gcc-goto.sh @@ -5,7 +5,7 @@ cat << "END" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y" int main(void) { -#ifdef __arm__ +#if defined(__arm__) || defined(__aarch64__) /* * Not related to asm goto, but used by jump label * and broken on some ARM GCC versions (see GCC Bug 48637). -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/