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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/powerpc/fpu/bits
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
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, 79 insertions, 18 deletions
diff --git a/sysdeps/powerpc/fpu/bits/fenvinline.h b/sysdeps/powerpc/fpu/bits/fenvinline.h
index f7700a49e7..552c8c9db7 100644
--- a/sysdeps/powerpc/fpu/bits/fenvinline.h
+++ b/sysdeps/powerpc/fpu/bits/fenvinline.h
@@ -1,6 +1,5 @@
/* Inline floating-point environment handling functions for powerpc.
- Copyright (C) 1995, 1996, 1997, 1998, 1999, 2006
- Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 1997, 1998, 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
@@ -23,9 +22,8 @@
/* Inline definition for fegetround. */
# define fegetround() \
(__extension__ ({ int __fegetround_result; \
- __asm__ __volatile__ \
- ("mcrfs 7,7 ; mfcr %0" \
- : "=r"(__fegetround_result) : : "cr7"); \
+ __asm__ ("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
new file mode 100644
index 0000000000..3a9d538ee4
--- /dev/null
+++ b/sysdeps/powerpc/fpu/bits/mathdef.h
@@ -0,0 +1,69 @@
+/* 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 aed899e882..44f7dbec52 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, 2006
+ Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2004
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -123,26 +123,20 @@ __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. */
- if (__CPU_HAS_FSQRT)
+ /* If the CPU is 64-bit we can use the optional FP instructions we. */
+ if ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
{
/* Volatile is required to prevent the compiler from moving the
fsqrt instruction above the branch. */
@@ -163,8 +157,8 @@ __NTH (__ieee754_sqrtf (float __x))
{
float __z;
- /* If the CPU is 64-bit we can use the optional FP instructions. */
- if (__CPU_HAS_FSQRT)
+ /* If the CPU is 64-bit we can use the optional FP instructions we. */
+ if ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
{
/* Volatile is required to prevent the compiler from moving the
fsqrts instruction above the branch. */
@@ -178,5 +172,5 @@ __NTH (__ieee754_sqrtf (float __x))
return __z;
}
-#endif /* __LIBC_INTERNAL_MATH_INLINES */
+# endif /* __LIBC_INTERNAL_MATH_INLINES */
#endif /* __GNUC__ && !_SOFT_FLOAT */