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[PATCH] Kill alpha & generic atomicity.h


Hi!

This header is no longer used and alpha/generic have its own
<bits/atomic.h>.

2004-05-05  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/alpha/atomicity.h: Remove.
	* sysdeps/generic/atomicity.h: Remove.

--- libc/sysdeps/alpha/atomicity.h.jj	2001-07-06 06:55:44.000000000 +0200
+++ libc/sysdeps/alpha/atomicity.h	2004-05-05 15:39:22.890401492 +0200
@@ -1,102 +0,0 @@
-/* Low-level functions for atomic operations.  Alpha 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)
-{
-  register int result, tmp;
-
-  __asm__ __volatile__ (
-	"/* Inline exchange & add */\n"
-	"1:\t"
-	"ldl_l	%0,%3\n\t"
-	"addl	%0,%4,%1\n\t"
-	"stl_c	%1,%2\n\t"
-	"beq	%1,2f\n"
-	".subsection 1\n"
-	"2:\t"
-	"br	1b\n"
-	".previous\n\t"
-	"mb\n\t"
-	"/* End exchange & add */"
-	: "=&r"(result), "=&r"(tmp), "=m"(*mem)
-	: "m" (*mem), "r"(val));
-
-  return result;
-}
-
-static inline void
-__attribute__ ((unused))
-atomic_add (volatile uint32_t *mem, int val)
-{
-  register int result;
-
-  __asm__ __volatile__ (
-	"/* Inline exchange & add */\n"
-	"1:\t"
-	"ldl_l	%0,%2\n\t"
-	"addl	%0,%3,%0\n\t"
-	"stl_c	%0,%1\n\t"
-	"beq	%0,2f\n\t"
-	".subsection 1\n"
-	"2:\t"
-	"br	1b\n"
-	".previous\n\t"
-	"mb\n\t"
-	"/* End exchange & add */"
-	: "=&r"(result), "=m"(*mem)
-	: "m" (*mem), "r"(val));
-}
-
-static inline long
-__attribute__ ((unused))
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
-  long int ret;
-
-  __asm__ __volatile__ (
-	"/* Inline compare & swap */\n"
-	"1:\t"
-	"ldq_l	%0,%4\n\t"
-	"cmpeq	%0,%2,%0\n\t"
-	"beq	%0,3f\n\t"
-	"mov	%3,%0\n\t"
-	"stq_c	%0,%1\n\t"
-	"beq	%0,2f\n\t"
-	".subsection 1\n"
-	"2:\t"
-	"br	1b\n"
-	".previous\n\t"
-	"3:\t"
-	"mb\n\t"
-	"/* End compare & swap */"
-	: "=&r"(ret), "=m"(*p)
-	: "r"(oldval), "r"(newval), "m"(*p));
-
-  return ret;
-}
-
-#endif /* atomicity.h */
--- libc/sysdeps/generic/atomicity.h.jj	2001-07-06 06:55:48.000000000 +0200
+++ libc/sysdeps/generic/atomicity.h	2004-05-05 15:39:38.973519188 +0200
@@ -1,54 +0,0 @@
-/* Low-level functions for atomic operations.  Stub version.
-   Copyright (C) 1997,2001 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>
-
-#warning stub atomicity functions are not atomic
-
-static inline int
-__attribute__ ((unused))
-exchange_and_add (volatile uint32_t *mem, int val)
-{
-  int result = *mem;
-  *mem += val;
-  return result;
-}
-
-static inline void
-__attribute__ ((unused))
-atomic_add (volatile uint32_t *mem, int val)
-{
-  *mem += val;
-}
-
-static inline int
-__attribute__ ((unused))
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
-  if (*p != oldval)
-    return 0;
-
-  *p = newval;
-  return 1;
-}
-
-#endif /* atomicity.h */

	Jakub


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