diff options
Diffstat (limited to 'sysdeps/powerpc/fpu/bits')
| -rw-r--r-- | sysdeps/powerpc/fpu/bits/fenvinline.h | 8 | ||||
| -rw-r--r-- | sysdeps/powerpc/fpu/bits/mathdef.h | 69 | ||||
| -rw-r--r-- | sysdeps/powerpc/fpu/bits/mathinline.h | 20 |
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 */ |