Sync i386 up with _all_ the glibc 2.1.3 include/bits headers,

since we will end up needing a few more of them anyways, and
all the other arches have the full set anyways.
 -Erik

1 files changed, 678 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/i386/bits/mathinline.h b/libc/sysdeps/linux/i386/bits/mathinline.h
new file mode 100644
index 000000000..acc3aa998
--- /dev/null
+++ b/libc/sysdeps/linux/i386/bits/mathinline.h
@@ -0,0 +1,678 @@
+/* Inline math functions for i387.
+   Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by John C. Bowman <bowman@math.ualberta.ca>, 1995.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  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
+
+
+#if defined __USE_ISOC9X && defined __GNUC__ && __GNUC__ >= 2
+/* ISO C 9X defines some macros to perform unordered comparisons.  The
+   ix87 FPU supports this with special opcodes and we should use them.
+   These must not be inline functions since we have to be able to handle
+   all floating-point types.  */
+# ifdef __i686__
+/* For the PentiumPro and more recent processors we can provide
+   better code.  */
+#  define isgreater(x, y) \
+     ({ register char __result;						      \
+	__asm__ ("fucomip %%st(1), %%st; seta %%al"			      \
+		 : "=a" (__result) : "u" (y), "t" (x) : "cc", "st");	      \
+	__result; })
+#  define isgreaterequal(x, y) \
+     ({ register char __result;						      \
+	__asm__ ("fucomip %%st(1), %%st; setae %%al"			      \
+		 : "=a" (__result) : "u" (y), "t" (x) : "cc", "st");	      \
+	__result; })
+
+#  define isless(x, y) \
+     ({ register char __result;						      \
+	__asm__ ("fucomip %%st(1), %%st; seta %%al"			      \
+		 : "=a" (__result) : "u" (x), "t" (y) : "cc", "st");	      \
+	__result; })
+
+#  define islessequal(x, y) \
+     ({ register char __result;						      \
+	__asm__ ("fucomip %%st(1), %%st; setae %%al"			      \
+		 : "=a" (__result) : "u" (x), "t" (y) : "cc", "st");	      \
+	__result; })
+
+#  define islessgreater(x, y) \
+     ({ register char __result;						      \
+	__asm__ ("fucomip %%st(1), %%st; setne %%al"			      \
+		 : "=a" (__result) : "u" (y), "t" (x) : "cc", "st");	      \
+	__result; })
+
+#  define isunordered(x, y) \
+     ({ register char __result;						      \
+	__asm__ ("fucomip %%st(1), %%st; setp %%al"			      \
+		 : "=a" (__result) : "u" (y), "t" (x) : "cc", "st");	      \
+	__result; })
+# else
+/* This is the dumb, portable code for i386 and above.  */
+#  define isgreater(x, y) \
+     ({ register char __result;						      \
+	__asm__ ("fucompp; fnstsw; testb $0x45, %%ah; setz %%al"	      \
+		 : "=a" (__result) : "u" (y), "t" (x) : "cc", "st", "st(1)"); \
+	__result; })
+
+#  define isgreaterequal(x, y) \
+     ({ register char __result;						      \
+	__asm__ ("fucompp; fnstsw; testb $0x05, %%ah; setz %%al"	      \
+		 : "=a" (__result) : "u" (y), "t" (x) : "cc", "st", "st(1)"); \
+	__result; })
+
+#  define isless(x, y) \
+     ({ register char __result;						      \
+	__asm__ ("fucompp; fnstsw; testb $0x45, %%ah; setz %%al"	      \
+		 : "=a" (__result) : "u" (x), "t" (y) : "cc", "st", "st(1)"); \
+	__result; })
+
+#  define islessequal(x, y) \
+     ({ register char __result;						      \
+	__asm__ ("fucompp; fnstsw; testb $0x05, %%ah; setz %%al"	      \
+		 : "=a" (__result) : "u" (x), "t" (y) : "cc", "st", "st(1)"); \
+	__result; })
+
+#  define islessgreater(x, y) \
+     ({ register char __result;						      \
+	__asm__ ("fucompp; fnstsw; testb $0x44, %%ah; setz %%al"	      \
+		 : "=a" (__result) : "u" (y), "t" (x) : "cc", "st", "st(1)"); \
+	__result; })
+
+#  define isunordered(x, y) \
+     ({ register char __result;						      \
+	__asm__ ("fucompp; fnstsw; sahf; setp %%al"			      \
+		 : "=a" (__result) : "u" (y), "t" (x) : "cc", "st", "st(1)"); \
+	__result; })
+# endif	/* __i686__ */
+
+/* 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__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 7))
+/* Test for negative number.  Used in the signbit() macro.  */
+__MATH_INLINE int
+__signbitf (float __x)
+{
+  __extension__ union { float __f; int __i; } __u = { __f: __x };
+  return __u.__i < 0;
+}
+__MATH_INLINE int
+__signbit (double __x)
+{
+  __extension__ union { double __d; int __i[2]; } __u = { __d: __x };
+  return __u.__i[1] < 0;
+}
+__MATH_INLINE int
+__signbitl (long double __x)
+{
+  __extension__ union { long double __l; int __i[3]; } __u = { __l: __x };
+  return (__u.__i[2] & 0x8000) != 0;
+}
+# endif
+#endif
+
+
+/* The gcc, version 2.7 or below, has problems with all this inlining
+   code.  So disable it for this version of the compiler.  */
+#if defined __GNUC__ && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 7))
+
+#if ((!defined __NO_MATH_INLINES || defined __LIBC_INTERNAL_MATH_INLINES) \
+     && defined __OPTIMIZE__)
+
+/* A macro to define float, double, and long double versions of various
+   math functions for the ix87 FPU.  FUNC is the function name (which will
+   be suffixed with f and l for the float and long double version,
+   respectively).  OP is the name of the FPU operation.  */
+
+#if defined __USE_MISC || defined __USE_ISOC9X
+# define __inline_mathop(func, op) \
+  __inline_mathop_ (double, func, op)					      \
+  __inline_mathop_ (float, __CONCAT(func,f), op)			      \
+  __inline_mathop_ (long double, __CONCAT(func,l), op)
+#else
+# define __inline_mathop(func, op) \
+  __inline_mathop_ (double, func, op)
+#endif
+
+#define __inline_mathop_(float_type, func, op) \
+  __inline_mathop_decl_ (float_type, func, op, "0" (__x))
+
+
+#if defined __USE_MISC || defined __USE_ISOC9X
+# define __inline_mathop_decl(func, op, params...) \
+  __inline_mathop_decl_ (double, func, op, params)			      \
+  __inline_mathop_decl_ (float, __CONCAT(func,f), op, params)		      \
+  __inline_mathop_decl_ (long double, __CONCAT(func,l), op, params)
+#else
+# define __inline_mathop_decl(func, op, params...) \
+  __inline_mathop_decl_ (double, func, op, params)
+#endif
+
+#define __inline_mathop_decl_(float_type, func, op, params...) \
+  __MATH_INLINE float_type func (float_type);				      \
+  __MATH_INLINE float_type func (float_type __x)			      \
+  {									      \
+    register float_type __result;					      \
+    __asm __volatile__ (op : "=t" (__result) : params);			      \
+    return __result;							      \
+  }
+
+
+#if defined __USE_MISC || defined __USE_ISOC9X
+# define __inline_mathcode(func, arg, code) \
+  __inline_mathcode_ (double, func, arg, code)				      \
+  __inline_mathcode_ (float, __CONCAT(func,f), arg, code)		      \
+  __inline_mathcode_ (long double, __CONCAT(func,l), arg, code)
+# define __inline_mathcode2(func, arg1, arg2, code) \
+  __inline_mathcode2_ (double, func, arg1, arg2, code)			      \
+  __inline_mathcode2_ (float, __CONCAT(func,f), arg1, arg2, code)	      \
+  __inline_mathcode2_ (long double, __CONCAT(func,l), arg1, arg2, code)
+# define __inline_mathcode3(func, arg1, arg2, arg3, code) \
+  __inline_mathcode3_ (double, func, arg1, arg2, arg3, code)		      \
+  __inline_mathcode3_ (float, __CONCAT(func,f), arg1, arg2, arg3, code)	      \
+  __inline_mathcode3_ (long double, __CONCAT(func,l), arg1, arg2, arg3, code)
+#else
+# define __inline_mathcode(func, arg, code) \
+  __inline_mathcode_ (double, func, (arg), code)
+# define __inline_mathcode2(func, arg1, arg2, code) \
+  __inline_mathcode2_ (double, func, arg1, arg2, code)
+# define __inline_mathcode3(func, arg1, arg2, arg3, code) \
+  __inline_mathcode3_ (double, func, arg1, arg2, arg3, code)
+#endif
+
+#define __inline_mathcode_(float_type, func, arg, code) \
+  __MATH_INLINE float_type func (float_type);				      \
+  __MATH_INLINE float_type func (float_type arg)			      \
+  {									      \
+    code;								      \
+  }
+
+#define __inline_mathcode2_(float_type, func, arg1, arg2, code) \
+  __MATH_INLINE float_type func (float_type, float_type);		      \
+  __MATH_INLINE float_type func (float_type arg1, float_type arg2)	      \
+  {									      \
+    code;								      \
+  }
+
+#define __inline_mathcode3_(float_type, func, arg1, arg2, arg3, code) \
+  __MATH_INLINE float_type func (float_type, float_type, float_type);	      \
+  __MATH_INLINE float_type func (float_type arg1, float_type arg2,	      \
+				 float_type arg3)			      \
+  {									      \
+    code;								      \
+  }
+#endif
+
+
+#if !defined __NO_MATH_INLINES && defined __OPTIMIZE__
+/* Miscellaneous functions */
+
+__inline_mathcode (__sgn, __x, \
+  return __x == 0.0 ? 0.0 : (__x > 0.0 ? 1.0 : -1.0))
+
+__inline_mathcode (__pow2, __x, \
+  register long double __value;						      \
+  register long double __exponent;					      \
+  __extension__ long long int __p = (long long int) __x;		      \
+  if (__x == (long double) __p)						      \
+    {									      \
+      __asm __volatile__						      \
+	("fscale"							      \
+	 : "=t" (__value) : "0" (1.0), "u" (__x));			      \
+      return __value;							      \
+    }									      \
+  __asm __volatile__							      \
+    ("fld	%%st(0)\n\t"						      \
+     "frndint			# int(x)\n\t"				      \
+     "fxch\n\t"								      \
+     "fsub	%%st(1)		# fract(x)\n\t"				      \
+     "f2xm1			# 2^(fract(x)) - 1\n\t"			      \
+     : "=t" (__value), "=u" (__exponent) : "0" (__x));			      \
+  __value += 1.0;							      \
+  __asm __volatile__							      \
+    ("fscale"								      \
+     : "=t" (__value) : "0" (__value), "u" (__exponent));		      \
+  return __value)
+
+#define __sincos_code \
+  register long double __cosr;						      \
+  register long double __sinr;						      \
+  __asm __volatile__							      \
+    ("fsincos\n\t"							      \
+     "fnstsw	%%ax\n\t"						      \
+     "testl	$0x400, %%eax\n\t"					      \
+     "jz	1f\n\t"							      \
+     "fldpi\n\t"							      \
+     "fadd	%%st(0)\n\t"						      \
+     "fxch	%%st(1)\n\t"						      \
+     "2: fprem1\n\t"							      \
+     "fnstsw	%%ax\n\t"						      \
+     "testl	$0x400, %%eax\n\t"					      \
+     "jnz	2b\n\t"							      \
+     "fstp	%%st(1)\n\t"						      \
+     "fsincos\n\t"							      \
+     "1:"								      \
+     : "=t" (__cosr), "=u" (__sinr) : "0" (__x));			      \
+  *__sinx = __sinr;							      \
+  *__cosx = __cosr
+
+__MATH_INLINE void __sincos (double __x, double *__sinx, double *__cosx);
+__MATH_INLINE void
+__sincos (double __x, double *__sinx, double *__cosx)
+{
+  __sincos_code;
+}
+
+__MATH_INLINE void __sincosf (float __x, float *__sinx, float *__cosx);
+__MATH_INLINE void
+__sincosf (float __x, float *__sinx, float *__cosx)
+{
+  __sincos_code;
+}
+
+__MATH_INLINE void __sincosl (long double __x, long double *__sinx,
+			      long double *__cosx);
+__MATH_INLINE void
+__sincosl (long double __x, long double *__sinx, long double *__cosx)
+{
+  __sincos_code;
+}
+
+
+/* Optimized inline implementation, sometimes with reduced precision
+   and/or argument range.  */
+
+#define __expm1_code \
+  register long double __value;						      \
+  register long double __exponent;					      \
+  register long double __temp;						      \
+  __asm __volatile__							      \
+    ("fldl2e			# e^x - 1 = 2^(x * log2(e)) - 1\n\t"	      \
+     "fmul	%%st(1)		# x * log2(e)\n\t"			      \
+     "fst	%%st(1)\n\t"						      \
+     "frndint			# int(x * log2(e))\n\t"			      \
+     "fxch\n\t"								      \
+     "fsub	%%st(1)		# fract(x * log2(e))\n\t"		      \
+     "f2xm1			# 2^(fract(x * log2(e))) - 1\n\t"	      \
+     "fscale			# 2^(x * log2(e)) - 2^(int(x * log2(e)))\n\t" \
+     : "=t" (__value), "=u" (__exponent) : "0" (__x));			      \
+  __asm __volatile__							      \
+    ("fscale			# 2^int(x * log2(e))\n\t"		      \
+     : "=t" (__temp) : "0" (1.0), "u" (__exponent));			      \
+  __temp -= 1.0;							      \
+  return __temp + __value
+__inline_mathcode_ (long double, __expm1l, __x, __expm1_code)
+
+
+#define __exp_code \
+  register long double __value;						      \
+  register long double __exponent;					      \
+  __asm __volatile__							      \
+    ("fldl2e			# e^x = 2^(x * log2(e))\n\t"		      \
+     "fmul	%%st(1)		# x * log2(e)\n\t"			      \
+     "fst	%%st(1)\n\t"						      \
+     "frndint			# int(x * log2(e))\n\t"			      \
+     "fxch\n\t"								      \
+     "fsub	%%st(1)		# fract(x * log2(e))\n\t"		      \
+     "f2xm1			# 2^(fract(x * log2(e))) - 1\n\t"	      \
+     : "=t" (__value), "=u" (__exponent) : "0" (__x));			      \
+  __value += 1.0;							      \
+  __asm __volatile__							      \
+    ("fscale"								      \
+     : "=t" (__value) : "0" (__value), "u" (__exponent));		      \
+  return __value
+__inline_mathcode (exp, __x, __exp_code)
+__inline_mathcode_ (long double, __expl, __x, __exp_code)
+
+
+__inline_mathcode (tan, __x, \
+  register long double __value;						      \
+  register long double __value2 __attribute__ ((__unused__));		      \
+  __asm __volatile__							      \
+    ("fptan"								      \
+     : "=t" (__value2), "=u" (__value) : "0" (__x));			      \
+  return __value)
+
+
+#define __atan2_code \
+  register long double __value;						      \
+  __asm __volatile__							      \
+    ("fpatan"								      \
+     : "=t" (__value) : "0" (__x), "u" (__y) : "st(1)");		      \
+  return __value
+__inline_mathcode2 (atan2, __y, __x, __atan2_code)
+__inline_mathcode2_ (long double, __atan2l, __y, __x, __atan2_code)
+
+
+__inline_mathcode2 (fmod, __x, __y, \
+  register long double __value;						      \
+  __asm __volatile__							      \
+    ("1:	fprem\n\t"						      \
+     "fnstsw	%%ax\n\t"						      \
+     "sahf\n\t"								      \
+     "jp	1b"							      \
+     : "=t" (__value) : "0" (__x), "u" (__y) : "ax", "cc");		      \
+  return __value)
+
+
+__inline_mathcode2 (pow, __x, __y, \
+  register long double __value;						      \
+  register long double __exponent;					      \
+  __extension__ long long int __p = (long long int) __y;		      \
+  if (__x == 0.0 && __y > 0.0)						      \
+    return 0.0;								      \
+  if (__y == (double) __p)						      \
+    {									      \
+      long double __r = 1.0;						      \
+      if (__p == 0)							      \
+	return 1.0;							      \
+      if (__p < 0)							      \
+	{								      \
+	  __p = -__p;							      \
+	  __x = 1.0 / __x;						      \
+	}								      \
+      while (1)								      \
+	{								      \
+	  if (__p & 1)							      \
+	    __r *= __x;							      \
+	  __p >>= 1;							      \
+	  if (__p == 0)							      \
+	    return __r;							      \
+	  __x *= __x;							      \
+	}								      \
+      /* NOTREACHED */							      \
+    }									      \
+  __asm __volatile__							      \
+    ("fyl2x" : "=t" (__value) : "0" (__x), "u" (1.0) : "st(1)");	      \
+  __asm __volatile__							      \
+    ("fmul	%%st(1)		# y * log2(x)\n\t"			      \
+     "fst	%%st(1)\n\t"						      \
+     "frndint			# int(y * log2(x))\n\t"			      \
+     "fxch\n\t"								      \
+     "fsub	%%st(1)		# fract(y * log2(x))\n\t"		      \
+     "f2xm1			# 2^(fract(y * log2(x))) - 1\n\t"	      \
+     : "=t" (__value), "=u" (__exponent) : "0" (__y), "1" (__value));	      \
+  __value += 1.0;							      \
+  __asm __volatile__							      \
+    ("fscale"								      \
+     : "=t" (__value) : "0" (__value), "u" (__exponent));		      \
+  return __value)
+
+
+__inline_mathop (sqrt, "fsqrt")
+__inline_mathop_ (long double, __sqrtl, "fsqrt")
+
+#if defined __GNUC__ && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ >= 8)
+__inline_mathcode_ (double, fabs, __x, return __builtin_fabs (__x))
+__inline_mathcode_ (float, fabsf, __x, return __builtin_fabsf (__x))
+__inline_mathcode_ (long double, fabsl, __x, return __builtin_fabsl (__x))
+__inline_mathcode_ (long double, __fabsl, __x, return __builtin_fabsl (__x))
+#else
+__inline_mathop (fabs, "fabs")
+__inline_mathop_ (long double, __fabsl, "fabs")
+#endif
+
+/* The argument range of this inline version is reduced.  */
+__inline_mathop (sin, "fsin")
+/* The argument range of this inline version is reduced.  */
+__inline_mathop (cos, "fcos")
+
+__inline_mathop_decl (atan, "fld1; fpatan", "0" (__x) : "st(1)")
+__inline_mathop_decl (log, "fldln2; fxch; fyl2x", "0" (__x) : "st(1)")
+__inline_mathop_decl (log10, "fldlg2; fxch; fyl2x", "0" (__x) : "st(1)")
+
+__inline_mathcode (asin, __x, return __atan2l (__x, __sqrtl (1.0 - __x * __x)))
+__inline_mathcode (acos, __x, return __atan2l (__sqrtl (1.0 - __x * __x), __x))
+
+__inline_mathcode_ (long double, __sgn1l, __x, return __x >= 0.0 ? 1.0 : -1.0)
+
+
+/* The argument range of the inline version of sinhl is slightly reduced.  */
+__inline_mathcode (sinh, __x, \
+  register long double __exm1 = __expm1l (__fabsl (__x));		      \
+  return 0.5 * (__exm1 / (__exm1 + 1.0) + __exm1) * __sgn1l (__x))
+
+__inline_mathcode (cosh, __x, \
+  register long double __ex = __expl (__x);				      \
+  return 0.5 * (__ex + 1.0 / __ex))
+
+__inline_mathcode (tanh, __x, \
+  register long double __exm1 = __expm1l (-__fabsl (__x + __x));	      \
+  return __exm1 / (__exm1 + 2.0) * __sgn1l (-__x))
+
+
+__inline_mathcode (floor, __x, \
+  register long double __value;						      \
+  __volatile unsigned short int __cw;					      \
+  __volatile unsigned short int __cwtmp;				      \
+  __asm __volatile ("fnstcw %0" : "=m" (__cw));				      \
+  __cwtmp = (__cw & 0xf3ff) | 0x0400; /* rounding down */		      \
+  __asm __volatile ("fldcw %0" : : "m" (__cwtmp));			      \
+  __asm __volatile ("frndint" : "=t" (__value) : "0" (__x));		      \
+  __asm __volatile ("fldcw %0" : : "m" (__cw));				      \
+  return __value)
+
+__inline_mathcode (ceil, __x, \
+  register long double __value;						      \
+  __volatile unsigned short int __cw;					      \
+  __volatile unsigned short int __cwtmp;				      \
+  __asm __volatile ("fnstcw %0" : "=m" (__cw));				      \
+  __cwtmp = (__cw & 0xf3ff) | 0x0800; /* rounding up */			      \
+  __asm __volatile ("fldcw %0" : : "m" (__cwtmp));			      \
+  __asm __volatile ("frndint" : "=t" (__value) : "0" (__x));		      \
+  __asm __volatile ("fldcw %0" : : "m" (__cw));				      \
+  return __value)
+
+#define __ldexp_code \
+  register long double __value;						      \
+  __asm __volatile__							      \
+    ("fscale"								      \
+     : "=t" (__value) : "0" (__x), "u" ((long double) __y));		      \
+  return __value
+
+__MATH_INLINE double ldexp (double __x, int __y);
+__MATH_INLINE double
+ldexp (double __x, int __y)
+{
+  __ldexp_code;
+}
+
+
+/* Optimized versions for some non-standardized functions.  */
+#if defined __USE_ISOC9X || defined __USE_MISC
+
+__inline_mathcode (expm1, __x, __expm1_code)
+
+/* We cannot rely on M_SQRT being defined.  So we do it for ourself
+   here.  */
+# define __M_SQRT2	1.41421356237309504880L	/* sqrt(2) */
+
+__inline_mathcode (log1p, __x, \
+  register long double __value;						      \
+  if (__fabsl (__x) >= 1.0 - 0.5 * __M_SQRT2)				      \
+    __value = logl (1.0 + __x);						      \
+  else									      \
+    __asm __volatile__							      \
+      ("fldln2\n\t"							      \
+       "fxch\n\t"							      \
+       "fyl2xp1"							      \
+       : "=t" (__value) : "0" (__x) : "st(1)");				      \
+  return __value)
+
+
+/* The argument range of the inline version of asinhl is slightly reduced.  */
+__inline_mathcode (asinh, __x, \
+  register long double  __y = __fabsl (__x);				      \
+  return (log1pl (__y * __y / (__sqrtl (__y * __y + 1.0) + 1.0) + __y)	      \
+	  * __sgn1l (__x)))
+
+__inline_mathcode (acosh, __x, \
+  return logl (__x + __sqrtl (__x - 1.0) * __sqrtl (__x + 1.0)))
+
+__inline_mathcode (atanh, __x, \
+  register long double __y = __fabsl (__x);				      \
+  return -0.5 * log1pl (-(__y + __y) / (1.0 + __y)) * __sgn1l (__x))
+
+/* The argument range of the inline version of hypotl is slightly reduced.  */
+__inline_mathcode2 (hypot, __x, __y, return __sqrtl (__x * __x + __y * __y))
+
+__inline_mathcode(logb, __x, \
+  register long double __value;						      \
+  register long double __junk;						      \
+  __asm __volatile__							      \
+    ("fxtract\n\t"							      \
+     : "=t" (__junk), "=u" (__value) : "0" (__x));			      \
+  return __value)
+
+#endif
+
+#ifdef __USE_ISOC9X
+__inline_mathop_decl (log2, "fld1; fxch; fyl2x", "0" (__x) : "st(1)")
+
+__MATH_INLINE float ldexpf (float __x, int __y);
+__MATH_INLINE float
+ldexpf (float __x, int __y)
+{
+  __ldexp_code;
+}
+
+__MATH_INLINE long double ldexpl (long double __x, int __y);
+__MATH_INLINE long double
+ldexpl (long double __x, int __y)
+{
+  __ldexp_code;
+}
+
+__inline_mathcode3 (fma, __x, __y, __z, return (__x * __y) + __z)
+
+__inline_mathop(rint, "frndint")
+
+#define __lrint_code \
+  long int __lrintres;							      \
+  __asm__ __volatile__							      \
+    ("fistpl %0"							      \
+     : "=m" (__lrintres) : "t" (__x) : "st");				      \
+  return __lrintres
+__MATH_INLINE long int
+lrintf (float __x)
+{
+  __lrint_code;
+}
+__MATH_INLINE long int
+lrint (double __x)
+{
+  __lrint_code;
+}
+__MATH_INLINE long int
+lrintl (long double __x)
+{
+  __lrint_code;
+}
+#undef __lrint_code
+
+#define __llrint_code \
+  long long int __llrintres;						      \
+  __asm__ __volatile__							      \
+    ("fistpll %0"							      \
+     : "=m" (__llrintres) : "t" (__x) : "st");				      \
+  return __llrintres
+__MATH_INLINE long long int
+llrintf (float __x)
+{
+  __llrint_code;
+}
+__MATH_INLINE long long int
+llrint (double __x)
+{
+  __llrint_code;
+}
+__MATH_INLINE long long int
+llrintl (long double __x)
+{
+  __llrint_code;
+}
+#undef __llrint_code
+
+#endif
+
+
+#ifdef __USE_MISC
+
+__inline_mathcode2 (drem, __x, __y, \
+  register double __value;						      \
+  register int __clobbered;						      \
+  __asm __volatile__							      \
+    ("1:	fprem1\n\t"						      \
+     "fstsw	%%ax\n\t"						      \
+     "sahf\n\t"								      \
+     "jp	1b"							      \
+     : "=t" (__value), "=&a" (__clobbered) : "0" (__x), "u" (__y) : "cc");    \
+  return __value)
+
+
+/* This function is used in the `isfinite' macro.  */
+__MATH_INLINE int __finite (double __x) __attribute__ ((__const__));
+__MATH_INLINE int
+__finite (double __x)
+{
+  return (__extension__
+	  (((((union { double __d; int __i[2]; }) {__d: __x}).__i[1]
+	     | 0x800fffffu) + 1) >> 31));
+}
+
+/* Miscellaneous functions */
+
+__inline_mathcode (__coshm1, __x, \
+  register long double __exm1 = __expm1l (__fabsl (__x));		      \
+  return 0.5 * (__exm1 / (__exm1 + 1.0)) * __exm1)
+
+__inline_mathcode (__acosh1p, __x, \
+  return log1pl (__x + __sqrtl (__x) * __sqrtl (__x + 2.0)))
+
+#endif /* __USE_MISC  */
+
+/* Undefine some of the large macros which are not used anymore.  */
+#undef __expm1_code
+#undef __exp_code
+#undef __atan2_code
+#undef __sincos_code
+
+#endif /* __NO_MATH_INLINES  */
+
+
+/* This code is used internally in the GNU libc.  */
+#ifdef __LIBC_INTERNAL_MATH_INLINES
+__inline_mathop (__ieee754_sqrt, "fsqrt")
+__inline_mathcode2 (__ieee754_atan2, __y, __x,
+		    register long double __value;
+		    __asm __volatile__ ("fpatan\n\t"
+					: "=t" (__value)
+					: "0" (__x), "u" (__y) : "st(1)");
+		    return __value;)
+#endif
+
+#endif /* __GNUC__  */