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52 lines
1.8 KiB
52 lines
1.8 KiB
2 months ago
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diff -up ./pr/include/md/_linux.h.gcc-atomics ./pr/include/md/_linux.h
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--- ./pr/include/md/_linux.h.gcc-atomics 2022-09-20 11:23:22.008942926 -0700
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+++ ./pr/include/md/_linux.h 2022-09-20 11:34:45.536751340 -0700
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@@ -105,6 +105,15 @@
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#endif
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#if defined(__i386__)
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+#if defined(__GNUC__)
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+/* Use GCC built-in functions */
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+#define _PR_HAVE_ATOMIC_OPS
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+#define _MD_INIT_ATOMIC()
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+#define _MD_ATOMIC_INCREMENT(ptr) __sync_add_and_fetch(ptr, 1)
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+#define _MD_ATOMIC_DECREMENT(ptr) __sync_sub_and_fetch(ptr, 1)
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+#define _MD_ATOMIC_ADD(ptr, i) __sync_add_and_fetch(ptr, i)
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+#define _MD_ATOMIC_SET(ptr, nv) __sync_lock_test_and_set(ptr, nv)
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+#else
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#define _PR_HAVE_ATOMIC_OPS
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#define _MD_INIT_ATOMIC()
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extern PRInt32 _PR_x86_AtomicIncrement(PRInt32 *val);
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@@ -116,6 +125,7 @@ extern PRInt32 _PR_x86_AtomicAdd(PRInt32
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extern PRInt32 _PR_x86_AtomicSet(PRInt32 *val, PRInt32 newval);
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#define _MD_ATOMIC_SET _PR_x86_AtomicSet
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#endif
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+#endif
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#if defined(__ia64__)
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#define _PR_HAVE_ATOMIC_OPS
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@@ -131,6 +141,15 @@ extern PRInt32 _PR_ia64_AtomicSet(PRInt3
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#endif
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#if defined(__x86_64__)
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+#if defined(__GNUC__)
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+/* Use GCC built-in functions */
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+#define _PR_HAVE_ATOMIC_OPS
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+#define _MD_INIT_ATOMIC()
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+#define _MD_ATOMIC_INCREMENT(ptr) __sync_add_and_fetch(ptr, 1)
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+#define _MD_ATOMIC_DECREMENT(ptr) __sync_sub_and_fetch(ptr, 1)
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+#define _MD_ATOMIC_ADD(ptr, i) __sync_add_and_fetch(ptr, i)
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+#define _MD_ATOMIC_SET(ptr, nv) __sync_lock_test_and_set(ptr, nv)
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+#else
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#define _PR_HAVE_ATOMIC_OPS
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#define _MD_INIT_ATOMIC()
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extern PRInt32 _PR_x86_64_AtomicIncrement(PRInt32 *val);
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@@ -142,6 +161,7 @@ extern PRInt32 _PR_x86_64_AtomicAdd(PRIn
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extern PRInt32 _PR_x86_64_AtomicSet(PRInt32 *val, PRInt32 newval);
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#define _MD_ATOMIC_SET _PR_x86_64_AtomicSet
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#endif
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+#endif
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#if defined(__loongarch__)
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#if defined(__GNUC__)
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