From: Ivan Maidanski <ivmai@mail.ru>
Date: Sun, 3 Feb 2013 08:29:25 +0000 (+0400)
Subject: Add generalized fetch_and_add_acquire/release (for ARMv6+)
X-Git-Tag: libatomic_ops-7_4_0~48^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=76e589081ea588b9c830cf125b1efdcd796583eb;p=libatomic_ops

Add generalized fetch_and_add_acquire/release (for ARMv6+)

* src/atomic_ops/generalize-arithm.template
(AO_XSIZE_fetch_and_add_acquire, AO_XSIZE_fetch_and_add_release):
Add generalized template primitives based on AO_XSIZE_fetch_and_add.
* src/atomic_ops/generalize-arithm.h: Regenerate.
---

diff --git a/src/atomic_ops/generalize-arithm.h b/src/atomic_ops/generalize-arithm.h
index 2607d6e..e03395a 100644
--- a/src/atomic_ops/generalize-arithm.h
+++ b/src/atomic_ops/generalize-arithm.h
@@ -226,6 +226,24 @@
 # endif
 #endif /* AO_HAVE_char_fetch_and_add_full */
 
+#if defined(AO_HAVE_char_fetch_and_add) && defined(AO_HAVE_nop_full) \
+    && !defined(AO_HAVE_char_fetch_and_add_acquire)
+  AO_INLINE unsigned/**/char
+  AO_char_fetch_and_add_acquire(volatile unsigned/**/char *addr, unsigned/**/char incr)
+  {
+    unsigned/**/char result = AO_char_fetch_and_add(addr, incr);
+    AO_nop_full();
+    return result;
+  }
+# define AO_HAVE_char_fetch_and_add_acquire
+#endif
+#if defined(AO_HAVE_char_fetch_and_add) && defined(AO_HAVE_nop_full) \
+    && !defined(AO_HAVE_char_fetch_and_add_release)
+# define AO_char_fetch_and_add_release(addr, incr) \
+                (AO_nop_full(), AO_char_fetch_and_add(addr, incr))
+# define AO_HAVE_char_fetch_and_add_release
+#endif
+
 #if !defined(AO_HAVE_char_fetch_and_add) \
     && defined(AO_HAVE_char_fetch_and_add_release)
 # define AO_char_fetch_and_add(addr, val) \
@@ -1053,6 +1071,24 @@
 # endif
 #endif /* AO_HAVE_short_fetch_and_add_full */
 
+#if defined(AO_HAVE_short_fetch_and_add) && defined(AO_HAVE_nop_full) \
+    && !defined(AO_HAVE_short_fetch_and_add_acquire)
+  AO_INLINE unsigned/**/short
+  AO_short_fetch_and_add_acquire(volatile unsigned/**/short *addr, unsigned/**/short incr)
+  {
+    unsigned/**/short result = AO_short_fetch_and_add(addr, incr);
+    AO_nop_full();
+    return result;
+  }
+# define AO_HAVE_short_fetch_and_add_acquire
+#endif
+#if defined(AO_HAVE_short_fetch_and_add) && defined(AO_HAVE_nop_full) \
+    && !defined(AO_HAVE_short_fetch_and_add_release)
+# define AO_short_fetch_and_add_release(addr, incr) \
+                (AO_nop_full(), AO_short_fetch_and_add(addr, incr))
+# define AO_HAVE_short_fetch_and_add_release
+#endif
+
 #if !defined(AO_HAVE_short_fetch_and_add) \
     && defined(AO_HAVE_short_fetch_and_add_release)
 # define AO_short_fetch_and_add(addr, val) \
@@ -1880,6 +1916,24 @@
 # endif
 #endif /* AO_HAVE_int_fetch_and_add_full */
 
+#if defined(AO_HAVE_int_fetch_and_add) && defined(AO_HAVE_nop_full) \
+    && !defined(AO_HAVE_int_fetch_and_add_acquire)
+  AO_INLINE unsigned
+  AO_int_fetch_and_add_acquire(volatile unsigned *addr, unsigned incr)
+  {
+    unsigned result = AO_int_fetch_and_add(addr, incr);
+    AO_nop_full();
+    return result;
+  }
+# define AO_HAVE_int_fetch_and_add_acquire
+#endif
+#if defined(AO_HAVE_int_fetch_and_add) && defined(AO_HAVE_nop_full) \
+    && !defined(AO_HAVE_int_fetch_and_add_release)
+# define AO_int_fetch_and_add_release(addr, incr) \
+                (AO_nop_full(), AO_int_fetch_and_add(addr, incr))
+# define AO_HAVE_int_fetch_and_add_release
+#endif
+
 #if !defined(AO_HAVE_int_fetch_and_add) \
     && defined(AO_HAVE_int_fetch_and_add_release)
 # define AO_int_fetch_and_add(addr, val) \
@@ -2707,6 +2761,24 @@
 # endif
 #endif /* AO_HAVE_fetch_and_add_full */
 
+#if defined(AO_HAVE_fetch_and_add) && defined(AO_HAVE_nop_full) \
+    && !defined(AO_HAVE_fetch_and_add_acquire)
+  AO_INLINE AO_t
+  AO_fetch_and_add_acquire(volatile AO_t *addr, AO_t incr)
+  {
+    AO_t result = AO_fetch_and_add(addr, incr);
+    AO_nop_full();
+    return result;
+  }
+# define AO_HAVE_fetch_and_add_acquire
+#endif
+#if defined(AO_HAVE_fetch_and_add) && defined(AO_HAVE_nop_full) \
+    && !defined(AO_HAVE_fetch_and_add_release)
+# define AO_fetch_and_add_release(addr, incr) \
+                (AO_nop_full(), AO_fetch_and_add(addr, incr))
+# define AO_HAVE_fetch_and_add_release
+#endif
+
 #if !defined(AO_HAVE_fetch_and_add) \
     && defined(AO_HAVE_fetch_and_add_release)
 # define AO_fetch_and_add(addr, val) \
diff --git a/src/atomic_ops/generalize-arithm.template b/src/atomic_ops/generalize-arithm.template
index 3696782..8b21912 100644
--- a/src/atomic_ops/generalize-arithm.template
+++ b/src/atomic_ops/generalize-arithm.template
@@ -226,6 +226,24 @@
 # endif
 #endif /* AO_HAVE_XSIZE_fetch_and_add_full */
 
+#if defined(AO_HAVE_XSIZE_fetch_and_add) && defined(AO_HAVE_nop_full) \
+    && !defined(AO_HAVE_XSIZE_fetch_and_add_acquire)
+  AO_INLINE XCTYPE
+  AO_XSIZE_fetch_and_add_acquire(volatile XCTYPE *addr, XCTYPE incr)
+  {
+    XCTYPE result = AO_XSIZE_fetch_and_add(addr, incr);
+    AO_nop_full();
+    return result;
+  }
+# define AO_HAVE_XSIZE_fetch_and_add_acquire
+#endif
+#if defined(AO_HAVE_XSIZE_fetch_and_add) && defined(AO_HAVE_nop_full) \
+    && !defined(AO_HAVE_XSIZE_fetch_and_add_release)
+# define AO_XSIZE_fetch_and_add_release(addr, incr) \
+                (AO_nop_full(), AO_XSIZE_fetch_and_add(addr, incr))
+# define AO_HAVE_XSIZE_fetch_and_add_release
+#endif
+
 #if !defined(AO_HAVE_XSIZE_fetch_and_add) \
     && defined(AO_HAVE_XSIZE_fetch_and_add_release)
 # define AO_XSIZE_fetch_and_add(addr, val) \