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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 */