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