diff options
Diffstat (limited to 'meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch')
| -rw-r--r-- | meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch b/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch index 1ae2e33b4f..d6c9aac69d 100644 --- a/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch +++ b/meta/recipes-core/glibc/glibc/0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch @@ -1,7 +1,7 @@ -From a237553ccd15276462be2023057a017fa8ee5d7c Mon Sep 17 00:00:00 2001 +From ff0f4756f1a98202726c65745aca38354864e033 Mon Sep 17 00:00:00 2001 From: Khem Raj <raj.khem@gmail.com> Date: Thu, 31 Dec 2015 14:35:35 -0800 -Subject: [PATCH] nativesdk-glibc: Allow 64 bit atomics for x86 +Subject: [PATCH 04/30] nativesdk-glibc: Allow 64 bit atomics for x86 The fix consist of allowing 64bit atomic ops for x86. This should be safe for i586 and newer CPUs. @@ -13,19 +13,30 @@ Signed-off-by: Juro Bystricky <juro.bystricky@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Khem Raj <raj.khem@gmail.com> --- - sysdeps/i386/atomic-machine.h | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) + sysdeps/x86/atomic-machine.h | 3 +-- + 1 file changed, 1 insertion(+), 2 deletions(-) -diff --git a/sysdeps/i386/atomic-machine.h b/sysdeps/i386/atomic-machine.h -index 272da5dd8f..409c759f14 100644 ---- a/sysdeps/i386/atomic-machine.h -+++ b/sysdeps/i386/atomic-machine.h -@@ -54,7 +54,7 @@ typedef uintmax_t uatomic_max_t; - # endif +diff --git a/sysdeps/x86/atomic-machine.h b/sysdeps/x86/atomic-machine.h +index aa60ca4cd6..3e42e00183 100644 +--- a/sysdeps/x86/atomic-machine.h ++++ b/sysdeps/x86/atomic-machine.h +@@ -58,15 +58,14 @@ typedef uintmax_t uatomic_max_t; #endif --#define __HAVE_64B_ATOMICS 0 -+#define __HAVE_64B_ATOMICS 1 - #define USE_ATOMIC_COMPILER_BUILTINS 0 - #define ATOMIC_EXCHANGE_USES_CAS 0 + #define USE_ATOMIC_COMPILER_BUILTINS 1 ++# define __HAVE_64B_ATOMICS 1 + #ifdef __x86_64__ +-# define __HAVE_64B_ATOMICS 1 + # define SP_REG "rsp" + # define SEG_REG "fs" + # define BR_CONSTRAINT "q" + # define IBR_CONSTRAINT "iq" + #else +-# define __HAVE_64B_ATOMICS 0 + # define SP_REG "esp" + # define SEG_REG "gs" + # define BR_CONSTRAINT "r" +-- +2.20.1 + |