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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/powerpc/fpu/bits
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'sysdeps/powerpc/fpu/bits')
-rw-r--r--sysdeps/powerpc/fpu/bits/fenvinline.h8
-rw-r--r--sysdeps/powerpc/fpu/bits/mathdef.h69
-rw-r--r--sysdeps/powerpc/fpu/bits/mathinline.h20
3 files changed, 18 insertions, 79 deletions
diff --git a/sysdeps/powerpc/fpu/bits/fenvinline.h b/sysdeps/powerpc/fpu/bits/fenvinline.h
index 552c8c9db7..f7700a49e7 100644
--- a/sysdeps/powerpc/fpu/bits/fenvinline.h
+++ b/sysdeps/powerpc/fpu/bits/fenvinline.h
@@ -1,5 +1,6 @@
/* Inline floating-point environment handling functions for powerpc.
- Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 1997, 1998, 1999, 2006
+ 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
@@ -22,8 +23,9 @@
/* Inline definition for fegetround. */
# define fegetround() \
(__extension__ ({ int __fegetround_result; \
- __asm__ ("mcrfs 7,7 ; mfcr %0" \
- : "=r"(__fegetround_result) : : "cr7"); \
+ __asm__ __volatile__ \
+ ("mcrfs 7,7 ; mfcr %0" \
+ : "=r"(__fegetround_result) : : "cr7"); \
__fegetround_result & 3; }))
/* The weird 'i#*X' constraints on the following suppress a gcc
diff --git a/sysdeps/powerpc/fpu/bits/mathdef.h b/sysdeps/powerpc/fpu/bits/mathdef.h
deleted file mode 100644
index 3a9d538ee4..0000000000
--- a/sysdeps/powerpc/fpu/bits/mathdef.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/* 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!
-
- FIXME! This file does not deal with the -fshort-double option of
- gcc! */
-
-#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; /* `float' expressions are evaluated as
- `float'. */
-typedef double double_t; /* `double' expressions are evaluated as
- `double'. */
-
-# else
-
-/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
-typedef double float_t; /* `float' expressions are evaluated as
- `double'. */
-typedef double double_t; /* `double' expressions are evaluated as
- `double'. */
-
-# 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 */
-
-#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
diff --git a/sysdeps/powerpc/fpu/bits/mathinline.h b/sysdeps/powerpc/fpu/bits/mathinline.h
index 44f7dbec52..aed899e882 100644
--- a/sysdeps/powerpc/fpu/bits/mathinline.h
+++ b/sysdeps/powerpc/fpu/bits/mathinline.h
@@ -1,5 +1,5 @@
/* Inline math functions for powerpc.
- Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2004
+ Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2004, 2006
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -123,20 +123,26 @@ __NTH (fdimf (float __x, float __y))
#endif /* !__NO_MATH_INLINES && __OPTIMIZE__ */
/* This code is used internally in the GNU libc. */
-# ifdef __LIBC_INTERNAL_MATH_INLINES
+#ifdef __LIBC_INTERNAL_MATH_INLINES
#include <sysdep.h>
#include <ldsodefs.h>
#include <dl-procinfo.h>
+# if __WORDSIZE == 64 || defined _ARCH_PWR4
+# define __CPU_HAS_FSQRT 1
+# else
+# define __CPU_HAS_FSQRT ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
+# endif
+
extern double __slow_ieee754_sqrt (double);
__MATH_INLINE double
__NTH (__ieee754_sqrt (double __x))
{
double __z;
- /* If the CPU is 64-bit we can use the optional FP instructions we. */
- if ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
+ /* If the CPU is 64-bit we can use the optional FP instructions. */
+ if (__CPU_HAS_FSQRT)
{
/* Volatile is required to prevent the compiler from moving the
fsqrt instruction above the branch. */
@@ -157,8 +163,8 @@ __NTH (__ieee754_sqrtf (float __x))
{
float __z;
- /* If the CPU is 64-bit we can use the optional FP instructions we. */
- if ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
+ /* If the CPU is 64-bit we can use the optional FP instructions. */
+ if (__CPU_HAS_FSQRT)
{
/* Volatile is required to prevent the compiler from moving the
fsqrts instruction above the branch. */
@@ -172,5 +178,5 @@ __NTH (__ieee754_sqrtf (float __x))
return __z;
}
-# endif /* __LIBC_INTERNAL_MATH_INLINES */
+#endif /* __LIBC_INTERNAL_MATH_INLINES */
#endif /* __GNUC__ && !_SOFT_FLOAT */