Update.

2003-03-19  Ulrich Drepper  <drepper@redhat.com>

	* Makefile (distribute): Add include/atomic.h and bits/atomic.h.
	* include/atomic.h: New file.
	* sysdeps/i386/i486/bits/atomic.h: New file.
	* sysdeps/x86_64/bits/atomic.h: New file.
	* sysdeps/s390/bits/atomic.h: New file.
	* sysdeps/sh/bits/atomic.h: New file.
	* sysdeps/ia64/bits/atomic.h: New file.
	* sysdeps/powerpc/bits/atomic.h: New file.
	* sysdeps/generic/bits/atomic.h: New file.
	* sysdeps/i386/i486/atomicity.h: Removed.
	* sysdeps/x86_64/atomicity.h: Removed.
	* sysdeps/s390/s390-32/atomicity.h: Removed.
	* sysdeps/s390/s390-64/atomicity.h: Removed.
	* sysdeps/ia64/atomicity.h: Removed.
	* sysdeps/powerpc/powerpc32/atomicity.h: Removed.
	* sysdeps/powerpc/powerpc64/atomicity.h: Removed.
	* elf/dl-profile.c: Use atomic.h instead of atomicity.h.  Adjust
	use of macros from atomicity.h to new names and semantics.
	* gmon_mcount.c: Likewise.
	* malloc/set-freeres.c: Likewise.
	* nscd/cache.c: Likewise.
	* stdlib/cxa_finalize.c: Likewise.
	* sysdeps/unix/sysv/linux/getsysstats.c: Likewise.

	* sysdeps/mips/ieee754.h: New file, suitable to replace both
	* stdlib/strtod.c (INTERNAL): While eating trailing zeros handle

3 files changed, 78 insertions, 152 deletions

diff --git a/sysdeps/s390/bits/atomic.h b/sysdeps/s390/bits/atomic.h
new file mode 100644
index 0000000000..375ae0d5e7
--- /dev/null
+++ b/sysdeps/s390/bits/atomic.h
@@ -0,0 +1,78 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Martin Schwidefsky <schwidefsky@de.ibm.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_8_acq(mem, newval, oldval) \
+  (abort (), 0)
+
+#define __arch_compare_and_exchange_16_acq(mem, newval, oldval) \
+  (abort (), 0)
+
+#define __arch_compare_and_exchange_32_acq(mem, newval, oldval) \
+  ({ unsigned int *__mem = (unsigned int *) (mem);			      \
+     unsigned int __old = (unsigned int) (oldval);			      \
+     unsigned int __cmp = __old;					      \
+     __asm __volatile ("cs %0,%2,%1"					      \
+		       : "+d" (__old), "=Q" (*__mem)			      \
+		       : "d" (newval), "m" (*__mem) : "cc" );		      \
+     __cmp != __old; })
+
+#ifdef __s390x__
+# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \
+  ({ unsigned long int *__mem = (unsigned long int *) (mem);		      \
+     unsigned long int __old = (unsigned long int) (oldval);		      \
+     unsigned long int __cmp = __old;					      \
+     __asm __volatile ("csg %0,%2,%1"					      \
+		       : "+d" (__old), "=Q" (*__mem)			      \
+		       : "d" (newval), "m" (*__mem) : "cc" );		      \
+     __cmp != __old; })
+#else
+/* For 31 bit we do not really need 64-bit compare-and-exchange. We can
+   implement them by use of the csd instruction. The straightforward
+   implementation causes warnings so we skip the definition for now.  */
+# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \
+  (abort (), 0)
+#endif
diff --git a/sysdeps/s390/s390-32/atomicity.h b/sysdeps/s390/s390-32/atomicity.h
deleted file mode 100644
index 32a7c0f06b..0000000000
--- a/sysdeps/s390/s390-32/atomicity.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/* Low-level functions for atomic operations.  S390 version.
-   Copyright (C) 2000, 2001 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
-   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)
-{
-  int result;
-  __asm__ __volatile__(
-        "       L     %0,%2\n"
-        "       LA    2,%1\n"
-        "0:     LR    0,%0\n"
-        "       AR    0,%3\n"
-        "       CS    %0,0,0(2)\n"
-        "       JL    0b"
-        : "=&d" (result), "=m" (*mem)
-        : "1" (*mem), "d" (val) : "0", "1", "2" );
-  return result;
-}
-
-static inline void
-__attribute__ ((unused))
-atomic_add (volatile uint32_t *mem, int val)
-{
-  __asm__ __volatile__(
-        "       LA    2,%0\n"
-	"0:     L     0,%1\n"
-        "       LR    1,0\n"
-        "       AR    1,%2\n"
-        "       CS    0,1,0(2)\n"
-        "       JL    0b"
-        : "=m" (*mem) : "0" (*mem), "d" (val) : "0", "1", "2" );
-}
-
-static inline int
-__attribute__ ((unused))
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
-  int retval;
-
-  __asm__ __volatile__(
-        "  la   1,%1\n"
-        "  lr   0,%2\n"
-        "  cs   0,%3,0(1)\n"
-        "  ipm  %0\n"
-        "  srl  %0,28\n"
-        "0:"
-        : "=&r" (retval), "+m" (*p)
-        : "d" (oldval) , "d" (newval)
-        : "memory", "0", "1", "cc");
-  return !retval;
-}
-
-#endif /* atomicity.h */
diff --git a/sysdeps/s390/s390-64/atomicity.h b/sysdeps/s390/s390-64/atomicity.h
deleted file mode 100644
index 11a5f7fa53..0000000000
--- a/sysdeps/s390/s390-64/atomicity.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/* Low-level functions for atomic operations.  64 bit S/390 version.
-   Copyright (C) 2001 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
-   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)
-{
-  int result;
-  __asm__ __volatile__(
-        "       L     %0,%2\n"
-        "       LA    2,%1\n"
-        "0:     LR    0,%0\n"
-        "       AR    0,%3\n"
-        "       CS    %0,0,0(2)\n"
-        "       JL    0b"
-        : "=&d" (result), "=m" (*mem)
-        : "1" (*mem), "d" (val) : "0", "1", "2" );
-  return result;
-}
-
-static inline void
-__attribute__ ((unused))
-atomic_add (volatile uint32_t *mem, int val)
-{
-  __asm__ __volatile__(
-        "       LA    2,%0\n"
-	"0:     L     0,%1\n"
-        "       LR    1,0\n"
-        "       AR    1,%2\n"
-        "       CS    0,1,0(2)\n"
-        "       JL    0b"
-        : "=m" (*mem) : "0" (*mem), "d" (val) : "0", "1", "2" );
-}
-
-static inline int
-__attribute__ ((unused))
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
-  int retval;
-
-  __asm__ __volatile__(
-        "  la   1,%1\n"
-        "  lgr  0,%2\n"
-        "  csg  0,%3,0(1)\n"
-        "  ipm  %0\n"
-        "  srl  %0,28\n"
-        "0:"
-        : "=&r" (retval), "+m" (*p)
-        : "d" (oldval) , "d" (newval)
-        : "memory", "0", "1", "cc");
-  return !retval;
-}
-
-#endif /* atomicity.h */