Rehash the PowerPC e500 port to avoid creating symlinks

in the powerpc arch code and make more code common with
classic PowerPC. From Steve Papacharalambous

Lets hope I didn't break something.

4 files changed, 0 insertions, 463 deletions

diff --git a/libc/sysdeps/linux/powerpc/bits/classic/fenv.h b/libc/sysdeps/linux/powerpc/bits/classic/fenv.h
deleted file mode 100644
index 8509b4b0c..000000000
--- a/libc/sysdeps/linux/powerpc/bits/classic/fenv.h
+++ /dev/null
@@ -1,145 +0,0 @@
-/* Copyright (C) 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
-   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 _FENV_H
-# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
-#endif
-
-
-/* Define bits representing the exception.  We use the bit positions of
-   the appropriate bits in the FPSCR...  */
-enum
-  {
-    FE_INEXACT = 1 << (31 - 6),
-#define FE_INEXACT	FE_INEXACT
-    FE_DIVBYZERO = 1 << (31 - 5),
-#define FE_DIVBYZERO	FE_DIVBYZERO
-    FE_UNDERFLOW = 1 << (31 - 4),
-#define FE_UNDERFLOW	FE_UNDERFLOW
-    FE_OVERFLOW = 1 << (31 - 3),
-#define FE_OVERFLOW	FE_OVERFLOW
-
-    /* ... except for FE_INVALID, for which we use bit 31. FE_INVALID
-       actually corresponds to bits 7 through 12 and 21 through 23
-       in the FPSCR, but we can't use that because the current draft
-       says that it must be a power of 2.  Instead we use bit 2 which
-       is the summary bit for all the FE_INVALID exceptions, which
-       kind of makes sense.  */
-    FE_INVALID = 1 << (31 - 2),
-#define FE_INVALID	FE_INVALID
-
-#ifdef __USE_GNU
-    /* Breakdown of the FE_INVALID bits. Setting FE_INVALID on an
-       input to a routine is equivalent to setting all of these bits;
-       FE_INVALID will be set on output from a routine iff one of
-       these bits is set.  Note, though, that you can't disable or
-       enable these exceptions individually.  */
-
-    /* Operation with SNaN. */
-    FE_INVALID_SNAN = 1 << (31 - 7),
-# define FE_INVALID_SNAN	FE_INVALID_SNAN
-
-    /* Inf - Inf */
-    FE_INVALID_ISI = 1 << (31 - 8),
-# define FE_INVALID_ISI		FE_INVALID_ISI
-
-    /* Inf / Inf */
-    FE_INVALID_IDI = 1 << (31 - 9),
-# define FE_INVALID_IDI		FE_INVALID_IDI
-
-    /* 0 / 0 */
-    FE_INVALID_ZDZ = 1 << (31 - 10),
-# define FE_INVALID_ZDZ		FE_INVALID_ZDZ
-
-    /* Inf * 0 */
-    FE_INVALID_IMZ = 1 << (31 - 11),
-# define FE_INVALID_IMZ		FE_INVALID_IMZ
-
-    /* Comparison with NaN or SNaN.  */
-    FE_INVALID_COMPARE = 1 << (31 - 12),
-# define FE_INVALID_COMPARE	FE_INVALID_COMPARE
-
-    /* Invalid operation flag for software (not set by hardware).  */
-    /* Note that some chips don't have this implemented, presumably
-       because no-one expected anyone to write software for them %-).  */
-    FE_INVALID_SOFTWARE = 1 << (31 - 21),
-# define FE_INVALID_SOFTWARE	FE_INVALID_SOFTWARE
-
-    /* Square root of negative number (including -Inf).  */
-    /* Note that some chips don't have this implemented.  */
-    FE_INVALID_SQRT = 1 << (31 - 22),
-# define FE_INVALID_SQRT	FE_INVALID_SQRT
-
-    /* Conversion-to-integer of a NaN or a number too large or too small.  */
-    FE_INVALID_INTEGER_CONVERSION = 1 << (31 - 23)
-# define FE_INVALID_INTEGER_CONVERSION	FE_INVALID_INTEGER_CONVERSION
-
-# define FE_ALL_INVALID \
-        (FE_INVALID_SNAN | FE_INVALID_ISI | FE_INVALID_IDI | FE_INVALID_ZDZ \
-	 | FE_INVALID_IMZ | FE_INVALID_COMPARE | FE_INVALID_SOFTWARE \
-	 | FE_INVALID_SQRT | FE_INVALID_INTEGER_CONVERSION)
-#endif
-  };
-
-#define FE_ALL_EXCEPT \
-	(FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
-
-/* PowerPC chips support all of the four defined rounding modes.  We
-   use the bit pattern in the FPSCR as the values for the
-   appropriate macros.  */
-enum
-  {
-    FE_TONEAREST = 0,
-#define FE_TONEAREST	FE_TONEAREST
-    FE_TOWARDZERO = 1,
-#define FE_TOWARDZERO	FE_TOWARDZERO
-    FE_UPWARD = 2,
-#define FE_UPWARD	FE_UPWARD
-    FE_DOWNWARD = 3
-#define FE_DOWNWARD	FE_DOWNWARD
-  };
-
-/* Type representing exception flags.  */
-typedef unsigned int fexcept_t;
-
-/* Type representing floating-point environment.  We leave it as 'double'
-   for efficiency reasons (rather than writing it to a 32-bit integer). */
-typedef double fenv_t;
-
-/* If the default argument is used we use this value.  */
-extern const fenv_t __fe_dfl_env;
-#define FE_DFL_ENV	(&__fe_dfl_env)
-
-#ifdef __USE_GNU
-/* Floating-point environment where all exceptions are enabled.  Note that
-   this is not sufficient to give you SIGFPE.  */
-extern const fenv_t __fe_enabled_env;
-# define FE_ENABLED_ENV	(&__fe_enabled_env)
-
-/* Floating-point environment with (processor-dependent) non-IEEE floating
-   point.  */
-extern const fenv_t __fe_nonieee_env;
-# define FE_NONIEEE_ENV	(&__fe_nonieee_env)
-
-/* Floating-point environment with all exceptions enabled.  Note that
-   just evaluating this value will set the processor into 'FPU
-   exceptions imprecise recoverable' mode, which may cause a significant
-   performance penalty (but have no other visible effect).  */
-extern const fenv_t *__fe_nomask_env (void);
-# define FE_NOMASK_ENV	(__fe_nomask_env ())
-#endif
diff --git a/libc/sysdeps/linux/powerpc/bits/classic/fenvinline.h b/libc/sysdeps/linux/powerpc/bits/classic/fenvinline.h
deleted file mode 100644
index f7700a49e..000000000
--- a/libc/sysdeps/linux/powerpc/bits/classic/fenvinline.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/* Inline floating-point environment handling functions for powerpc.
-   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
-   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 __GNUC__ && !defined _SOFT_FLOAT && !defined __NO_MATH_INLINES
-
-/* Inline definition for fegetround.  */
-# define fegetround() \
-  (__extension__  ({ int __fegetround_result;				      \
-		     __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
-   warning when __excepts is not a constant.  Otherwise, they mean the
-   same as just plain 'i'.  */
-
-/* Inline definition for feraiseexcept.  */
-# define feraiseexcept(__excepts) \
-  ((__builtin_constant_p (__excepts)					      \
-    && ((__excepts) & ((__excepts)-1)) == 0				      \
-    && (__excepts) != FE_INVALID)					      \
-   ? ((__excepts) != 0							      \
-      ? (__extension__ ({ __asm__ __volatile__				      \
-			  ("mtfsb1 %s0"					      \
-			   : : "i#*X"(__builtin_ffs (__excepts)));	      \
-			  0; }))					      \
-      : 0)								      \
-   : (feraiseexcept) (__excepts))
-
-/* Inline definition for feclearexcept.  */
-# define feclearexcept(__excepts) \
-  ((__builtin_constant_p (__excepts)					      \
-    && ((__excepts) & ((__excepts)-1)) == 0				      \
-    && (__excepts) != FE_INVALID)					      \
-   ? ((__excepts) != 0							      \
-      ? (__extension__ ({ __asm__ __volatile__				      \
-			  ("mtfsb0 %s0"					      \
-			   : : "i#*X"(__builtin_ffs (__excepts)));	      \
-			  0; }))					      \
-      : 0)								      \
-   : (feclearexcept) (__excepts))
-
-#endif /* __GNUC__ && !_SOFT_FLOAT */
diff --git a/libc/sysdeps/linux/powerpc/bits/classic/mathdef.h b/libc/sysdeps/linux/powerpc/bits/classic/mathdef.h
deleted file mode 100644
index a076fb6d7..000000000
--- a/libc/sysdeps/linux/powerpc/bits/classic/mathdef.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/* Copyright (C) 1997,1998,1999,2000,2003,2004,2006
-	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
-   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
-#include <bits/wordsize.h>
-/* Signal that we do not really have a `long double'.  The disables the
-   declaration of all the `long double' function variants.  */
-# if __WORDSIZE == 32
-#  define __NO_LONG_DOUBLE_MATH	1
-# elif !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__
-#  define __NO_LONG_DOUBLE_MATH	1
-# endif
-#endif
diff --git a/libc/sysdeps/linux/powerpc/bits/classic/mathinline.h b/libc/sysdeps/linux/powerpc/bits/classic/mathinline.h
deleted file mode 100644
index 87985a744..000000000
--- a/libc/sysdeps/linux/powerpc/bits/classic/mathinline.h
+++ /dev/null
@@ -1,182 +0,0 @@
-/* Inline math functions for powerpc.
-   Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2004, 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
-   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
-
-#ifdef __cplusplus
-# 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;
-}
-# 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__ */
-
-/* This code is used internally in the GNU libc.  */
-#if 0 /*def __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)
-  {
-    /* Volatile is required to prevent the compiler from moving the
-       fsqrt instruction above the branch.  */
-     __asm __volatile (
-	"	fsqrt	%0,%1\n"
-		: "=f" (__z)
-		: "f" (__x));
-  }
-  else
-     __z = __slow_ieee754_sqrt(__x);
-
-  return __z;
-}
-
-extern float __slow_ieee754_sqrtf (float);
-__MATH_INLINE float
-__NTH (__ieee754_sqrtf (float __x))
-{
-  float __z;
-
-  /* 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.  */
-     __asm __volatile (
-	"	fsqrts	%0,%1\n"
-		: "=f" (__z)
-		: "f" (__x));
-  }
-  else
-     __z = __slow_ieee754_sqrtf(__x);
-
-  return __z;
-}
-#endif /* __LIBC_INTERNAL_MATH_INLINES */
-#endif /* __GNUC__ && !_SOFT_FLOAT */