diff options
Diffstat (limited to 'dev-libs/libatomic_ops/files/libatomic_ops-1.2-x32.patch')
| -rw-r--r-- | dev-libs/libatomic_ops/files/libatomic_ops-1.2-x32.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/dev-libs/libatomic_ops/files/libatomic_ops-1.2-x32.patch b/dev-libs/libatomic_ops/files/libatomic_ops-1.2-x32.patch new file mode 100644 index 000000000000..2edc6958f360 --- /dev/null +++ b/dev-libs/libatomic_ops/files/libatomic_ops-1.2-x32.patch @@ -0,0 +1,43 @@ +http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=e3a384578f677c05d812d99c2c92aa13670bd06a + +Upstream-Status: Pending + +Remove the `q' suffix on x86-64 atomic instructions. + +We don't need the `q' suffix on x86_64 atomic instructions for AO_t, +which is defined as "unsigned long". "unsigned long" is 32bit for x32 +and 64bit for x86-64. The register operand in x86-64 atomic instructions +is sufficient to properly determine the register size. + +Received this patch from H.J. Lu <hjl.tools@gmail.com> +Signed-Off-By: Nitin A Kamble <nitin.a.kamble@intel.com> 2011/12/02 + +--- libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/x86_64.h.x32 2005-09-28 17:16:38.000000000 -0700 ++++ libatomic_ops-1.2/src/atomic_ops/sysdeps/gcc/x86_64.h 2011-12-02 09:29:54.265251875 -0800 +@@ -60,7 +60,7 @@ AO_fetch_and_add_full (volatile AO_t *p, + { + AO_t result; + +- __asm__ __volatile__ ("lock; xaddq %0, %1" : ++ __asm__ __volatile__ ("lock; xadd %0, %1" : + "=r" (result), "=m" (*p) : "0" (incr), "m" (*p) + : "memory"); + return result; +@@ -111,7 +111,7 @@ AO_int_fetch_and_add_full (volatile unsi + AO_INLINE void + AO_or_full (volatile AO_t *p, AO_t incr) + { +- __asm__ __volatile__ ("lock; orq %1, %0" : ++ __asm__ __volatile__ ("lock; or %1, %0" : + "=m" (*p) : "r" (incr), "m" (*p) : "memory"); + } + +@@ -136,7 +136,7 @@ AO_compare_and_swap_full(volatile AO_t * + AO_t old, AO_t new_val) + { + char result; +- __asm__ __volatile__("lock; cmpxchgq %3, %0; setz %1" ++ __asm__ __volatile__("lock; cmpxchg %3, %0; setz %1" + : "=m"(*addr), "=q"(result) + : "m"(*addr), "r" (new_val), "a"(old) : "memory"); + return (int) result; |