(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

2 files changed, 98 insertions, 5 deletions

diff --git a/sysdeps/alpha/fpu/bits/mathdef.h b/sysdeps/alpha/fpu/bits/mathdef.h
new file mode 100644
index 0000000000..d5f2d5a843
--- /dev/null
+++ b/sysdeps/alpha/fpu/bits/mathdef.h
@@ -0,0 +1,86 @@
+/* Copyright (C) 1997, 1998, 1999, 2000, 2003, 2004
+   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.  */
+
+#if !defined _MATH_H && !defined _COMPLEX_H
+# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
+#endif
+
+/* FIXME! This file describes properties of the compiler, not the machine;
+   it should not be part of libc!  */
+
+#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
+# define _MATH_H_MATHDEF	1
+
+# ifdef __GNUC__
+#  if __STDC__ == 1
+
+/* In GNU or ANSI mode, gcc leaves `float' expressions as-is.  */
+typedef float float_t;
+typedef double double_t;
+
+#  else
+
+/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
+typedef double float_t;
+typedef double double_t;
+
+#  endif
+# else
+
+/* Wild guess at types for float_t and double_t. */
+typedef double float_t;
+typedef double double_t;
+
+# endif
+
+/* The values returned by `ilogb' for 0 and NaN respectively.  */
+# define FP_ILOGB0     (-2147483647)
+# define FP_ILOGBNAN   (2147483647)
+
+#endif	/* ISO C99 && MATH_H */
+
+#ifndef __NO_LONG_DOUBLE_MATH
+/* Signal that we do not really have a `long double'.  The disables the
+   declaration of all the `long double' function variants.  */
+# define __NO_LONG_DOUBLE_MATH	1
+#endif
+
+#if defined _COMPLEX_H && !defined _COMPLEX_H_MATHDEF
+# define _COMPLEX_H_MATHDEF 1
+# if defined(__GNUC__) && !__GNUC_PREREQ(3,4)
+
+/* Due to an ABI change, we need to remap the complex float symbols.  */
+#  define _Mdouble_		float
+#  define __MATHCALL(function, args) \
+    __MATHDECL (_Complex float, function, args)
+#  define __MATHDECL(type, function, args) \
+    __MATHDECL_1(type, function##f, args, __c1_##function##f); \
+    __MATHDECL_1(type, __##function##f, args, __c1_##function##f)
+#  define __MATHDECL_1(type, function, args, alias) \
+    extern type function args __asm__(#alias) __THROW
+
+#  include <bits/cmathcalls.h>
+
+#  undef _Mdouble_
+#  undef __MATHCALL
+#  undef __MATHDECL
+#  undef __MATHDECL_1
+
+# endif /* GNUC before 3.4 */
+#endif /* COMPLEX_H */
diff --git a/sysdeps/alpha/fpu/bits/mathinline.h b/sysdeps/alpha/fpu/bits/mathinline.h
index 87d40058c3..187bd42f33 100644
--- a/sysdeps/alpha/fpu/bits/mathinline.h
+++ b/sysdeps/alpha/fpu/bits/mathinline.h
@@ -46,8 +46,7 @@
 #if (!defined __NO_MATH_INLINES || defined __LIBC_INTERNAL_MATH_INLINES) \
     && defined __OPTIMIZE__
 
-#if !__GNUC_PREREQ (4, 0)
-# define __inline_copysign(NAME, TYPE)					\
+#define __inline_copysign(NAME, TYPE)					\
 __MATH_INLINE TYPE							\
 __NTH (NAME (TYPE __x, TYPE __y))					\
 {									\
@@ -61,11 +60,19 @@ __inline_copysign (copysignf, float)
 __inline_copysign (__copysign, double)
 __inline_copysign (copysign, double)
 
-# undef __inline_copysign
-#endif
+#undef __MATH_INLINE_copysign
 
 
-#if !__GNUC_PREREQ (2, 8)
+#if __GNUC_PREREQ (2, 8)
+__MATH_INLINE float
+__NTH (__fabsf (float __x)) { return __builtin_fabsf (__x); }
+__MATH_INLINE float
+__NTH (fabsf (float __x)) { return __builtin_fabsf (__x); }
+__MATH_INLINE double
+__NTH (__fabs (double __x)) { return __builtin_fabs (__x); }
+__MATH_INLINE double
+__NTH (fabs (double __x)) { return __builtin_fabs (__x); }
+#else
 # define __inline_fabs(NAME, TYPE)			\
 __MATH_INLINE TYPE					\
 __NTH (NAME (TYPE __x))					\