diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc')
3 files changed, 137 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/mathinline.h b/sysdeps/unix/sysv/linux/powerpc/bits/mathinline.h new file mode 100644 index 0000000000..6d7e006307 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/bits/mathinline.h @@ -0,0 +1,132 @@ +/* Inline math functions for powerpc. + Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2004, 2006, 2007, 2008 + 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. */ + +#ifndef _MATH_H +# error "Never use <bits/mathinline.h> directly; include <math.h> instead." +#endif + +#ifndef __extern_inline +# define __MATH_INLINE __inline +#else +# define __MATH_INLINE __extern_inline +#endif /* __cplusplus */ + +#if defined __GNUC__ && !defined _SOFT_FLOAT + +#ifdef __USE_ISOC99 +# if !__GNUC_PREREQ (2,97) +# define __unordered_cmp(x, y) \ + (__extension__ \ + ({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \ + unsigned __r; \ + __asm__("fcmpu 7,%1,%2 ; mfcr %0" : "=r" (__r) : "f" (__x), "f"(__y) \ + : "cr7"); \ + __r; })) + +# undef isgreater +# undef isgreaterequal +# undef isless +# undef islessequal +# undef islessgreater +# undef isunordered + +# define isgreater(x, y) (__unordered_cmp (x, y) >> 2 & 1) +# define isgreaterequal(x, y) ((__unordered_cmp (x, y) & 6) != 0) +# define isless(x, y) (__unordered_cmp (x, y) >> 3 & 1) +# define islessequal(x, y) ((__unordered_cmp (x, y) & 0xA) != 0) +# define islessgreater(x, y) ((__unordered_cmp (x, y) & 0xC) != 0) +# define isunordered(x, y) (__unordered_cmp (x, y) & 1) + +# endif /* __GNUC_PREREQ (2,97) */ + +/* The gcc, version 2.7 or below, has problems with all this inlining + code. So disable it for this version of the compiler. */ +# if __GNUC_PREREQ (2, 8) +/* Test for negative number. Used in the signbit() macro. */ +__MATH_INLINE int +__NTH (__signbitf (float __x)) +{ + __extension__ union { float __f; int __i; } __u = { __f: __x }; + return __u.__i < 0; +} +__MATH_INLINE int +__NTH (__signbit (double __x)) +{ + __extension__ union { double __d; int __i[2]; } __u = { __d: __x }; + return __u.__i[0] < 0; +} +# if defined __powerpc64__ && defined __LONGDOUBLE128 +__MATH_INLINE int +__NTH (__signbitl (long double __x)) +{ + __extension__ union { long double __d; long int __i[2]; } __u = { __d: __x }; + return __u.__i[0] < 0; +} +# endif +# endif +#endif /* __USE_ISOC99 */ + +#if !defined __NO_MATH_INLINES && defined __OPTIMIZE__ + +#ifdef __USE_ISOC99 + +# ifndef __powerpc64__ +__MATH_INLINE long int lrint (double __x) __THROW; +__MATH_INLINE long int +__NTH (lrint (double __x)) +{ + union { + double __d; + int __ll[2]; + } __u; + __asm__ ("fctiw %0,%1" : "=f"(__u.__d) : "f"(__x)); + return __u.__ll[1]; +} + +__MATH_INLINE long int lrintf (float __x) __THROW; +__MATH_INLINE long int +__NTH (lrintf (float __x)) +{ + union { + double __d; + int __ll[2]; + } __u; + __asm__ ("fctiw %0,%1" : "=f"(__u.__d) : "f"(__x)); + return __u.__ll[1]; +} +# endif + +__MATH_INLINE double fdim (double __x, double __y) __THROW; +__MATH_INLINE double +__NTH (fdim (double __x, double __y)) +{ + return __x <= __y ? 0 : __x - __y; +} + +__MATH_INLINE float fdimf (float __x, float __y) __THROW; +__MATH_INLINE float +__NTH (fdimf (float __x, float __y)) +{ + return __x <= __y ? 0 : __x - __y; +} + +#endif /* __USE_ISOC99 */ +#endif /* !__NO_MATH_INLINES && __OPTIMIZE__ */ +#endif /* __GNUC__ && !_SOFT_FLOAT */ diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c index 8d3b9ad1f4..95baa3acc2 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c @@ -1,5 +1,5 @@ /* Procedure definition for FE_NOMASK_ENV for Linux/ppc. - Copyright (C) 2000, 2006 Free Software Foundation, Inc. + Copyright (C) 2000, 2006, 2008 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 @@ -66,3 +66,4 @@ __fe_nomask_env (void) return FE_ENABLED_ENV; } +libm_hidden_def (__fe_nomask_env) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c index 62f735514a..d0cf8596e1 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c @@ -1,5 +1,5 @@ /* Procedure definition for FE_NOMASK_ENV for Linux/ppc64. - Copyright (C) 2003, 2006 Free Software Foundation, Inc. + Copyright (C) 2003, 2006, 2008 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 @@ -17,7 +17,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -#include <fenv.h> +#include <fenv_libc.h> #include <errno.h> #include <sysdep.h> #include <sys/syscall.h> @@ -41,3 +41,4 @@ __fe_nomask_env (void) #endif return FE_ENABLED_ENV; } +libm_hidden_def (__fe_nomask_env) |