* sysdeps/sparc/sparc32/bits/atomic.h: New file.

	* sysdeps/sparc/sparc32/sparcv9/bits/atomic.h: New file.
	* sysdeps/sparc/sparc64/bits/atomic.h: New file.
	* sysdeps/sparc/sparc32/atomicity.h: Removed.
	* sysdeps/sparc/sparc32/sparcv9/atomicity.h: Removed.
	* sysdeps/sparc/sparc64/atomicity.h: Removed.

2 files changed, 103 insertions, 82 deletions

diff --git a/sysdeps/sparc/sparc64/atomicity.h b/sysdeps/sparc/sparc64/atomicity.h
index 4d2ca52487..e69de29bb2 100644
--- a/sysdeps/sparc/sparc64/atomicity.h
+++ b/sysdeps/sparc/sparc64/atomicity.h
@@ -1,82 +0,0 @@
-/* Low-level functions for atomic operations.  Sparc64 version.
-   Copyright (C) 1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#ifndef _ATOMICITY_H
-#define _ATOMICITY_H	1
-
-#include <inttypes.h>
-
-static inline int
-__attribute__ ((unused))
-exchange_and_add (volatile uint32_t *mem, int val)
-{
-  uint32_t tmp1, tmp2;
-
-  __asm__ __volatile__("1:	lduw	[%2], %0\n\t"
-		       "	add	%0, %3, %1\n\t"
-		       "	cas	[%2], %0, %1\n\t"
-		       "	sub	%0, %1, %0\n\t"
-		       "	brnz,pn	%0, 1b\n\t"
-		       "	 nop"
-		       : "=&r" (tmp1), "=&r" (tmp2)
-		       : "r" (mem), "r" (val)
-		       : "memory");
-  return tmp2;
-}
-
-static inline void
-__attribute__ ((unused))
-atomic_add (volatile uint32_t *mem, int val)
-{
-  uint32_t tmp1, tmp2;
-
-  __asm__ __volatile__("1:	lduw	[%2], %0\n\t"
-		       "	add	%0, %3, %1\n\t"
-		       "	cas	[%2], %0, %1\n\t"
-		       "	sub	%0, %1, %0\n\t"
-		       "	brnz,pn	%0, 1b\n\t"
-		       "	 nop"
-		       : "=&r" (tmp1), "=&r" (tmp2)
-		       : "r" (mem), "r" (val)
-		       : "memory");
-}
-
-static inline int
-__attribute__ ((unused))
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
-  register long int tmp, tmp2;
-
-  __asm__ __volatile__("1:	ldx	[%4], %0\n\t"
-		       "	mov	%2, %1\n\t"
-		       "	cmp	%0, %3\n\t"
-		       "	bne,a,pn %%xcc, 2f\n\t"
-		       "	 mov	0, %0\n\t"
-		       "	casx	[%4], %0, %1\n\t"
-		       "	sub	%0, %1, %0\n\t"
-		       "	brnz,pn	%0, 1b\n\t"
-		       "	 mov	1, %0\n\t"
-		       "2:"
-		       : "=&r" (tmp), "=&r" (tmp2)
-		       : "r" (newval), "r" (oldval), "r" (p)
-		       : "memory");
-  return tmp;
-}
-
-#endif /* atomicity.h */
diff --git a/sysdeps/sparc/sparc64/bits/atomic.h b/sysdeps/sparc/sparc64/bits/atomic.h
new file mode 100644
index 0000000000..bb3c91d8d0
--- /dev/null
+++ b/sysdeps/sparc/sparc64/bits/atomic.h
@@ -0,0 +1,103 @@
+/* Atomic operations.  sparc64 version.
+   Copyright (C) 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdint.h>
+
+typedef int8_t atomic8_t;
+typedef uint8_t uatomic8_t;
+typedef int_fast8_t atomic_fast8_t;
+typedef uint_fast8_t uatomic_fast8_t;
+
+typedef int16_t atomic16_t;
+typedef uint16_t uatomic16_t;
+typedef int_fast16_t atomic_fast16_t;
+typedef uint_fast16_t uatomic_fast16_t;
+
+typedef int32_t atomic32_t;
+typedef uint32_t uatomic32_t;
+typedef int_fast32_t atomic_fast32_t;
+typedef uint_fast32_t uatomic_fast32_t;
+
+typedef int64_t atomic64_t;
+typedef uint64_t uatomic64_t;
+typedef int_fast64_t atomic_fast64_t;
+typedef uint_fast64_t uatomic_fast64_t;
+
+typedef intptr_t atomicptr_t;
+typedef uintptr_t uatomicptr_t;
+typedef intmax_t atomic_max_t;
+typedef uintmax_t uatomic_max_t;
+
+
+#define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \
+  (abort (), 0)
+
+#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \
+  (abort (), 0)
+
+#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
+({									      \
+  __typeof (*(mem)) __acev_tmp;						      \
+  __typeof (mem) __acev_mem = (mem);					      \
+  __asm __volatile ("cas [%4], %2, %0"					      \
+		    : "=r" (__acev_tmp), "=m" (*__acev_mem)		      \
+		    : "r" (oldval), "m" (*__acev_mem), "r" (__acev_mem),      \
+		      "0" (newval));					      \
+  __acev_tmp; })
+
+#define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
+({									      \
+  __typeof (*(mem)) __acev_tmp;						      \
+  __typeof (mem) __acev_mem = (mem);					      \
+  __asm __volatile ("casx [%4], %2, %0"					      \
+		    : "=r" (__acev_tmp), "=m" (*__acev_mem)		      \
+		    : "r" ((long) (oldval)), "m" (*__acev_mem),		      \
+		      "r" (__acev_mem), "0" ((long) (newval)));		      \
+  __acev_tmp; })
+
+#define atomic_exchange(mem, newvalue) \
+  ({ __typeof (*(mem)) __oldval, __val;					      \
+     __typeof (mem) __memp = (mem);					      \
+     __typeof (*(mem)) __value = (newvalue);				      \
+									      \
+     if (sizeof (*(mem)) == 4)						      \
+       __asm ("swap %0, %1"						      \
+	      : "=m" (*__memp), "=r" (__oldval)				      \
+	      : "m" (*__memp), "1" (__value));				      \
+     else								      \
+       {								      \
+	 __val = *__memp;						      \
+	 do								      \
+	   {								      \
+	     __oldval = __val;						      \
+	     __val = atomic_compare_and_exchange_val_acq (__memp, __value,    \
+							  __oldval);	      \
+	   }								      \
+         while (__builtin_expect (__val != __oldval, 0));		      \
+       }								      \
+     __oldval; })
+
+#define atomic_full_barrier() \
+  __asm __volatile ("membar #LoadLoad | #LoadStore"			      \
+			  " | #StoreLoad | #StoreStore" : : : "memory")
+#define atomic_read_barrier() \
+  __asm __volatile ("membar #LoadLoad | #LoadStore" : : : "memory")
+#define atomic_write_barrier() \
+  __asm __volatile ("membar #StoreLoad | #StoreStore" : : : "memory")