From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932096Ab3LVPaX (ORCPT ); Sun, 22 Dec 2013 10:30:23 -0500 Received: from mail-pa0-f52.google.com ([209.85.220.52]:42175 "EHLO mail-pa0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755760Ab3LVPaU (ORCPT ); Sun, 22 Dec 2013 10:30:20 -0500 From: Jiang Liu To: Steven Rostedt , Catalin Marinas , Will Deacon , Sandeepa Prabhu , AKASHI Takahiro , linux-kernel@vger.kernel.org Cc: Jiang Liu , linux-arm-kernel@lists.infradead.org Subject: [PATCH v7 5/7] arm64, jump label: detect %c support for ARM64 Date: Sun, 22 Dec 2013 23:25:41 +0800 Message-Id: <1387725944-810-6-git-send-email-liuj97@gmail.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1387725944-810-1-git-send-email-liuj97@gmail.com> References: <1387725944-810-1-git-send-email-liuj97@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. Acked-by: Will Deacon Signed-off-by: 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