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home:dirkmueller:acdc:as_python3_module
libatomic_ops
libatomic_ops-ppc64.patch
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File libatomic_ops-ppc64.patch of Package libatomic_ops
Force AO_load() to map to AO_load_acquire() for powerpc. The AO_load_acquire() function includes isync instructions that are critical for proper behavior on power system. Signed-Off-By: Will Schmidt <will_schmidt at vnet.ibm.com> Index: libatomic_ops-7.2/src/atomic_ops/sysdeps/gcc/powerpc.h =================================================================== --- libatomic_ops-7.2.orig/src/atomic_ops/sysdeps/gcc/powerpc.h +++ libatomic_ops-7.2/src/atomic_ops/sysdeps/gcc/powerpc.h @@ -32,6 +32,8 @@ #include "../all_aligned_atomic_load_store.h" +#define AO_load(addr) AO_load_acquire(addr) + #include "../test_and_set_t_is_ao_t.h" /* There seems to be no byte equivalent of lwarx, so this */ /* may really be what we want, at least in the 32-bit case. */
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