diff --git a/include/math-emu-old/double.h b/include/math-emu-old/double.h
deleted file mode 100644
index 655ccf1..0000000
--- a/include/math-emu-old/double.h
+++ /dev/null
@@ -1,205 +0,0 @@
-/* Software floating-point emulation.
-   Definitions for IEEE Double Precision
-   Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@cygnus.com),
-		  Jakub Jelinek (jj@ultra.linux.cz),
-		  David S. Miller (davem@redhat.com) and
-		  Peter Maydell (pmaydell@chiark.greenend.org.uk).
-
-   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_EMU_DOUBLE_H__
-#define    __MATH_EMU_DOUBLE_H__
-
-#if _FP_W_TYPE_SIZE < 32
-#error "Here's a nickel kid.  Go buy yourself a real computer."
-#endif
-
-#if _FP_W_TYPE_SIZE < 64
-#define _FP_FRACTBITS_D		(2 * _FP_W_TYPE_SIZE)
-#else
-#define _FP_FRACTBITS_D		_FP_W_TYPE_SIZE
-#endif
-
-#define _FP_FRACBITS_D		53
-#define _FP_FRACXBITS_D		(_FP_FRACTBITS_D - _FP_FRACBITS_D)
-#define _FP_WFRACBITS_D		(_FP_WORKBITS + _FP_FRACBITS_D)
-#define _FP_WFRACXBITS_D	(_FP_FRACTBITS_D - _FP_WFRACBITS_D)
-#define _FP_EXPBITS_D		11
-#define _FP_EXPBIAS_D		1023
-#define _FP_EXPMAX_D		2047
-
-#define _FP_QNANBIT_D		\
-	((_FP_W_TYPE)1 << (_FP_FRACBITS_D-2) % _FP_W_TYPE_SIZE)
-#define _FP_IMPLBIT_D		\
-	((_FP_W_TYPE)1 << (_FP_FRACBITS_D-1) % _FP_W_TYPE_SIZE)
-#define _FP_OVERFLOW_D		\
-	((_FP_W_TYPE)1 << _FP_WFRACBITS_D % _FP_W_TYPE_SIZE)
-
-#if _FP_W_TYPE_SIZE < 64
-
-union _FP_UNION_D
-{
-  double flt;
-  struct {
-#if __BYTE_ORDER == __BIG_ENDIAN
-    unsigned sign  : 1;
-    unsigned exp   : _FP_EXPBITS_D;
-    unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE;
-    unsigned frac0 : _FP_W_TYPE_SIZE;
-#else
-    unsigned frac0 : _FP_W_TYPE_SIZE;
-    unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE;
-    unsigned exp   : _FP_EXPBITS_D;
-    unsigned sign  : 1;
-#endif
-  } bits __attribute__((packed));
-};
-
-#define FP_DECL_D(X)		_FP_DECL(2,X)
-#define FP_UNPACK_RAW_D(X,val)	_FP_UNPACK_RAW_2(D,X,val)
-#define FP_UNPACK_RAW_DP(X,val)	_FP_UNPACK_RAW_2_P(D,X,val)
-#define FP_PACK_RAW_D(val,X)	_FP_PACK_RAW_2(D,val,X)
-#define FP_PACK_RAW_DP(val,X)		\
-  do {					\
-    if (!FP_INHIBIT_RESULTS)		\
-      _FP_PACK_RAW_2_P(D,val,X);	\
-  } while (0)
-
-#define FP_UNPACK_D(X,val)		\
-  do {					\
-    _FP_UNPACK_RAW_2(D,X,val);		\
-    _FP_UNPACK_CANONICAL(D,2,X);	\
-  } while (0)
-
-#define FP_UNPACK_DP(X,val)		\
-  do {					\
-    _FP_UNPACK_RAW_2_P(D,X,val);	\
-    _FP_UNPACK_CANONICAL(D,2,X);	\
-  } while (0)
-
-#define FP_PACK_D(val,X)		\
-  do {					\
-    _FP_PACK_CANONICAL(D,2,X);		\
-    _FP_PACK_RAW_2(D,val,X);		\
-  } while (0)
-
-#define FP_PACK_DP(val,X)		\
-  do {					\
-    _FP_PACK_CANONICAL(D,2,X);		\
-    if (!FP_INHIBIT_RESULTS)		\
-      _FP_PACK_RAW_2_P(D,val,X);	\
-  } while (0)
-
-#define FP_ISSIGNAN_D(X)		_FP_ISSIGNAN(D,2,X)
-#define FP_NEG_D(R,X)			_FP_NEG(D,2,R,X)
-#define FP_ADD_D(R,X,Y)			_FP_ADD(D,2,R,X,Y)
-#define FP_SUB_D(R,X,Y)			_FP_SUB(D,2,R,X,Y)
-#define FP_MUL_D(R,X,Y)			_FP_MUL(D,2,R,X,Y)
-#define FP_DIV_D(R,X,Y)			_FP_DIV(D,2,R,X,Y)
-#define FP_SQRT_D(R,X)			_FP_SQRT(D,2,R,X)
-#define _FP_SQRT_MEAT_D(R,S,T,X,Q)	_FP_SQRT_MEAT_2(R,S,T,X,Q)
-
-#define FP_CMP_D(r,X,Y,un)	_FP_CMP(D,2,r,X,Y,un)
-#define FP_CMP_EQ_D(r,X,Y)	_FP_CMP_EQ(D,2,r,X,Y)
-
-#define FP_TO_INT_D(r,X,rsz,rsg)	_FP_TO_INT(D,2,r,X,rsz,rsg)
-#define FP_TO_INT_ROUND_D(r,X,rsz,rsg)	_FP_TO_INT_ROUND(D,2,r,X,rsz,rsg)
-#define FP_FROM_INT_D(X,r,rs,rt)	_FP_FROM_INT(D,2,X,r,rs,rt)
-
-#define _FP_FRAC_HIGH_D(X)	_FP_FRAC_HIGH_2(X)
-#define _FP_FRAC_HIGH_RAW_D(X)	_FP_FRAC_HIGH_2(X)
-
-#else
-
-union _FP_UNION_D
-{
-  double flt;
-  struct {
-#if __BYTE_ORDER == __BIG_ENDIAN
-    unsigned sign : 1;
-    unsigned exp  : _FP_EXPBITS_D;
-    unsigned long frac : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0);
-#else
-    unsigned long frac : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0);
-    unsigned exp  : _FP_EXPBITS_D;
-    unsigned sign : 1;
-#endif
-  } bits __attribute__((packed));
-};
-
-#define FP_DECL_D(X)		_FP_DECL(1,X)
-#define FP_UNPACK_RAW_D(X,val)	_FP_UNPACK_RAW_1(D,X,val)
-#define FP_UNPACK_RAW_DP(X,val)	_FP_UNPACK_RAW_1_P(D,X,val)
-#define FP_PACK_RAW_D(val,X)	_FP_PACK_RAW_1(D,val,X)
-#define FP_PACK_RAW_DP(val,X)		\
-  do {					\
-    if (!FP_INHIBIT_RESULTS)		\
-      _FP_PACK_RAW_1_P(D,val,X);	\
-  } while (0)
-
-#define FP_UNPACK_D(X,val)		\
-  do {					\
-    _FP_UNPACK_RAW_1(D,X,val);		\
-    _FP_UNPACK_CANONICAL(D,1,X);	\
-  } while (0)
-
-#define FP_UNPACK_DP(X,val)		\
-  do {					\
-    _FP_UNPACK_RAW_1_P(D,X,val);	\
-    _FP_UNPACK_CANONICAL(D,1,X);	\
-  } while (0)
-
-#define FP_PACK_D(val,X)		\
-  do {					\
-    _FP_PACK_CANONICAL(D,1,X);		\
-    _FP_PACK_RAW_1(D,val,X);		\
-  } while (0)
-
-#define FP_PACK_DP(val,X)		\
-  do {					\
-    _FP_PACK_CANONICAL(D,1,X);		\
-    if (!FP_INHIBIT_RESULTS)		\
-      _FP_PACK_RAW_1_P(D,val,X);	\
-  } while (0)
-
-#define FP_ISSIGNAN_D(X)		_FP_ISSIGNAN(D,1,X)
-#define FP_NEG_D(R,X)			_FP_NEG(D,1,R,X)
-#define FP_ADD_D(R,X,Y)			_FP_ADD(D,1,R,X,Y)
-#define FP_SUB_D(R,X,Y)			_FP_SUB(D,1,R,X,Y)
-#define FP_MUL_D(R,X,Y)			_FP_MUL(D,1,R,X,Y)
-#define FP_DIV_D(R,X,Y)			_FP_DIV(D,1,R,X,Y)
-#define FP_SQRT_D(R,X)			_FP_SQRT(D,1,R,X)
-#define _FP_SQRT_MEAT_D(R,S,T,X,Q)	_FP_SQRT_MEAT_1(R,S,T,X,Q)
-
-/* The implementation of _FP_MUL_D and _FP_DIV_D should be chosen by
-   the target machine.  */
-
-#define FP_CMP_D(r,X,Y,un)	_FP_CMP(D,1,r,X,Y,un)
-#define FP_CMP_EQ_D(r,X,Y)	_FP_CMP_EQ(D,1,r,X,Y)
-
-#define FP_TO_INT_D(r,X,rsz,rsg)	_FP_TO_INT(D,1,r,X,rsz,rsg)
-#define FP_TO_INT_ROUND_D(r,X,rsz,rsg)	_FP_TO_INT_ROUND(D,1,r,X,rsz,rsg)
-#define FP_FROM_INT_D(X,r,rs,rt)	_FP_FROM_INT(D,1,X,r,rs,rt)
-
-#define _FP_FRAC_HIGH_D(X)	_FP_FRAC_HIGH_1(X)
-#define _FP_FRAC_HIGH_RAW_D(X)	_FP_FRAC_HIGH_1(X)
-
-#endif /* W_TYPE_SIZE < 64 */
-
-
-#endif /* __MATH_EMU_DOUBLE_H__ */
diff --git a/include/math-emu-old/op-1.h b/include/math-emu-old/op-1.h
deleted file mode 100644
index 3be3bb4..0000000
--- a/include/math-emu-old/op-1.h
+++ /dev/null
@@ -1,303 +0,0 @@
-/* Software floating-point emulation.
-   Basic one-word fraction declaration and manipulation.
-   Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@cygnus.com),
-		  Jakub Jelinek (jj@ultra.linux.cz),
-		  David S. Miller (davem@redhat.com) and
-		  Peter Maydell (pmaydell@chiark.greenend.org.uk).
-
-   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_EMU_OP_1_H__
-#define    __MATH_EMU_OP_1_H__
-
-#define _FP_FRAC_DECL_1(X)	_FP_W_TYPE X##_f=0
-#define _FP_FRAC_COPY_1(D,S)	(D##_f = S##_f)
-#define _FP_FRAC_SET_1(X,I)	(X##_f = I)
-#define _FP_FRAC_HIGH_1(X)	(X##_f)
-#define _FP_FRAC_LOW_1(X)	(X##_f)
-#define _FP_FRAC_WORD_1(X,w)	(X##_f)
-
-#define _FP_FRAC_ADDI_1(X,I)	(X##_f += I)
-#define _FP_FRAC_SLL_1(X,N)			\
-  do {						\
-    if (__builtin_constant_p(N) && (N) == 1)	\
-      X##_f += X##_f;				\
-    else					\
-      X##_f <<= (N);				\
-  } while (0)
-#define _FP_FRAC_SRL_1(X,N)	(X##_f >>= N)
-
-/* Right shift with sticky-lsb.  */
-#define _FP_FRAC_SRS_1(X,N,sz)	__FP_FRAC_SRS_1(X##_f, N, sz)
-
-#define __FP_FRAC_SRS_1(X,N,sz)						\
-   (X = (X >> (N) | (__builtin_constant_p(N) && (N) == 1		\
-		     ? X & 1 : (X << (_FP_W_TYPE_SIZE - (N))) != 0)))
-
-#define _FP_FRAC_ADD_1(R,X,Y)	(R##_f = X##_f + Y##_f)
-#define _FP_FRAC_SUB_1(R,X,Y)	(R##_f = X##_f - Y##_f)
-#define _FP_FRAC_DEC_1(X,Y)	(X##_f -= Y##_f)
-#define _FP_FRAC_CLZ_1(z, X)	__FP_CLZ(z, X##_f)
-
-/* Predicates */
-#define _FP_FRAC_NEGP_1(X)	((_FP_WS_TYPE)X##_f < 0)
-#define _FP_FRAC_ZEROP_1(X)	(X##_f == 0)
-#define _FP_FRAC_OVERP_1(fs,X)	(X##_f & _FP_OVERFLOW_##fs)
-#define _FP_FRAC_CLEAR_OVERP_1(fs,X)	(X##_f &= ~_FP_OVERFLOW_##fs)
-#define _FP_FRAC_EQ_1(X, Y)	(X##_f == Y##_f)
-#define _FP_FRAC_GE_1(X, Y)	(X##_f >= Y##_f)
-#define _FP_FRAC_GT_1(X, Y)	(X##_f > Y##_f)
-
-#define _FP_ZEROFRAC_1		0
-#define _FP_MINFRAC_1		1
-#define _FP_MAXFRAC_1		(~(_FP_WS_TYPE)0)
-
-/*
- * Unpack the raw bits of a native fp value.  Do not classify or
- * normalize the data.
- */
-
-#define _FP_UNPACK_RAW_1(fs, X, val)				\
-  do {								\
-    union _FP_UNION_##fs _flo; _flo.flt = (val);		\
-								\
-    X##_f = _flo.bits.frac;					\
-    X##_e = _flo.bits.exp;					\
-    X##_s = _flo.bits.sign;					\
-  } while (0)
-
-#define _FP_UNPACK_RAW_1_P(fs, X, val)				\
-  do {								\
-    union _FP_UNION_##fs *_flo =				\
-      (union _FP_UNION_##fs *)(val);				\
-								\
-    X##_f = _flo->bits.frac;					\
-    X##_e = _flo->bits.exp;					\
-    X##_s = _flo->bits.sign;					\
-  } while (0)
-
-/*
- * Repack the raw bits of a native fp value.
- */
-
-#define _FP_PACK_RAW_1(fs, val, X)				\
-  do {								\
-    union _FP_UNION_##fs _flo;					\
-								\
-    _flo.bits.frac = X##_f;					\
-    _flo.bits.exp  = X##_e;					\
-    _flo.bits.sign = X##_s;					\
-								\
-    (val) = _flo.flt;						\
-  } while (0)
-
-#define _FP_PACK_RAW_1_P(fs, val, X)				\
-  do {								\
-    union _FP_UNION_##fs *_flo =				\
-      (union _FP_UNION_##fs *)(val);				\
-								\
-    _flo->bits.frac = X##_f;					\
-    _flo->bits.exp  = X##_e;					\
-    _flo->bits.sign = X##_s;					\
-  } while (0)
-
-
-/*
- * Multiplication algorithms:
- */
-
-/* Basic.  Assuming the host word size is >= 2*FRACBITS, we can do the
-   multiplication immediately.  */
-
-#define _FP_MUL_MEAT_1_imm(wfracbits, R, X, Y)				\
-  do {									\
-    R##_f = X##_f * Y##_f;						\
-    /* Normalize since we know where the msb of the multiplicands	\
-       were (bit B), we know that the msb of the of the product is	\
-       at either 2B or 2B-1.  */					\
-    _FP_FRAC_SRS_1(R, wfracbits-1, 2*wfracbits);			\
-  } while (0)
-
-/* Given a 1W * 1W => 2W primitive, do the extended multiplication.  */
-
-#define _FP_MUL_MEAT_1_wide(wfracbits, R, X, Y, doit)			\
-  do {									\
-    _FP_W_TYPE _Z_f0, _Z_f1;						\
-    doit(_Z_f1, _Z_f0, X##_f, Y##_f);					\
-    /* Normalize since we know where the msb of the multiplicands	\
-       were (bit B), we know that the msb of the of the product is	\
-       at either 2B or 2B-1.  */					\
-    _FP_FRAC_SRS_2(_Z, wfracbits-1, 2*wfracbits);			\
-    R##_f = _Z_f0;							\
-  } while (0)
-
-/* Finally, a simple widening multiply algorithm.  What fun!  */
-
-#define _FP_MUL_MEAT_1_hard(wfracbits, R, X, Y)				\
-  do {									\
-    _FP_W_TYPE _xh, _xl, _yh, _yl, _z_f0, _z_f1, _a_f0, _a_f1;		\
-									\
-    /* split the words in half */					\
-    _xh = X##_f >> (_FP_W_TYPE_SIZE/2);					\
-    _xl = X##_f & (((_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE/2)) - 1);		\
-    _yh = Y##_f >> (_FP_W_TYPE_SIZE/2);					\
-    _yl = Y##_f & (((_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE/2)) - 1);		\
-									\
-    /* multiply the pieces */						\
-    _z_f0 = _xl * _yl;							\
-    _a_f0 = _xh * _yl;							\
-    _a_f1 = _xl * _yh;							\
-    _z_f1 = _xh * _yh;							\
-									\
-    /* reassemble into two full words */				\
-    if ((_a_f0 += _a_f1) < _a_f1)					\
-      _z_f1 += (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE/2);			\
-    _a_f1 = _a_f0 >> (_FP_W_TYPE_SIZE/2);				\
-    _a_f0 = _a_f0 << (_FP_W_TYPE_SIZE/2);				\
-    _FP_FRAC_ADD_2(_z, _z, _a);						\
-									\
-    /* normalize */							\
-    _FP_FRAC_SRS_2(_z, wfracbits - 1, 2*wfracbits);			\
-    R##_f = _z_f0;							\
-  } while (0)
-
-
-/*
- * Division algorithms:
- */
-
-/* Basic.  Assuming the host word size is >= 2*FRACBITS, we can do the
-   division immediately.  Give this macro either _FP_DIV_HELP_imm for
-   C primitives or _FP_DIV_HELP_ldiv for the ISO function.  Which you
-   choose will depend on what the compiler does with divrem4.  */
-
-#define _FP_DIV_MEAT_1_imm(fs, R, X, Y, doit)		\
-  do {							\
-    _FP_W_TYPE _q, _r;					\
-    X##_f <<= (X##_f < Y##_f				\
-	       ? R##_e--, _FP_WFRACBITS_##fs		\
-	       : _FP_WFRACBITS_##fs - 1);		\
-    doit(_q, _r, X##_f, Y##_f);				\
-    R##_f = _q | (_r != 0);				\
-  } while (0)
-
-/* GCC's longlong.h defines a 2W / 1W => (1W,1W) primitive udiv_qrnnd
-   that may be useful in this situation.  This first is for a primitive
-   that requires normalization, the second for one that does not.  Look
-   for UDIV_NEEDS_NORMALIZATION to tell which your machine needs.  */
-
-#define _FP_DIV_MEAT_1_udiv_norm(fs, R, X, Y)				\
-  do {									\
-    _FP_W_TYPE _nh, _nl, _q, _r, _y;					\
-									\
-    /* Normalize Y -- i.e. make the most significant bit set.  */	\
-    _y = Y##_f << _FP_WFRACXBITS_##fs;					\
-									\
-    /* Shift X op correspondingly high, that is, up one full word.  */	\
-    if (X##_f < Y##_f)							\
-      {									\
-	R##_e--;							\
-	_nl = 0;							\
-	_nh = X##_f;							\
-      }									\
-    else								\
-      {									\
-	_nl = X##_f << (_FP_W_TYPE_SIZE - 1);				\
-	_nh = X##_f >> 1;						\
-      }									\
-    									\
-    udiv_qrnnd(_q, _r, _nh, _nl, _y);					\
-    R##_f = _q | (_r != 0);						\
-  } while (0)
-
-#define _FP_DIV_MEAT_1_udiv(fs, R, X, Y)		\
-  do {							\
-    _FP_W_TYPE _nh, _nl, _q, _r;			\
-    if (X##_f < Y##_f)					\
-      {							\
-	R##_e--;					\
-	_nl = X##_f << _FP_WFRACBITS_##fs;		\
-	_nh = X##_f >> _FP_WFRACXBITS_##fs;		\
-      }							\
-    else						\
-      {							\
-	_nl = X##_f << (_FP_WFRACBITS_##fs - 1);	\
-	_nh = X##_f >> (_FP_WFRACXBITS_##fs + 1);	\
-      }							\
-    udiv_qrnnd(_q, _r, _nh, _nl, Y##_f);		\
-    R##_f = _q | (_r != 0);				\
-  } while (0)
-  
-  
-/*
- * Square root algorithms:
- * We have just one right now, maybe Newton approximation
- * should be added for those machines where division is fast.
- */
- 
-#define _FP_SQRT_MEAT_1(R, S, T, X, q)			\
-  do {							\
-    while (q != _FP_WORK_ROUND)				\
-      {							\
-        T##_f = S##_f + q;				\
-        if (T##_f <= X##_f)				\
-          {						\
-            S##_f = T##_f + q;				\
-            X##_f -= T##_f;				\
-            R##_f += q;					\
-          }						\
-        _FP_FRAC_SLL_1(X, 1);				\
-        q >>= 1;					\
-      }							\
-    if (X##_f)						\
-      {							\
-	if (S##_f < X##_f)				\
-	  R##_f |= _FP_WORK_ROUND;			\
-	R##_f |= _FP_WORK_STICKY;			\
-      }							\
-  } while (0)
-
-/*
- * Assembly/disassembly for converting to/from integral types.  
- * No shifting or overflow handled here.
- */
-
-#define _FP_FRAC_ASSEMBLE_1(r, X, rsize)	(r = X##_f)
-#define _FP_FRAC_DISASSEMBLE_1(X, r, rsize)	(X##_f = r)
-
-
-/*
- * Convert FP values between word sizes
- */
-
-#define _FP_FRAC_CONV_1_1(dfs, sfs, D, S)				\
-  do {									\
-    D##_f = S##_f;							\
-    if (_FP_WFRACBITS_##sfs > _FP_WFRACBITS_##dfs)			\
-      {									\
-	if (S##_c != FP_CLS_NAN)					\
-	  _FP_FRAC_SRS_1(D, (_FP_WFRACBITS_##sfs-_FP_WFRACBITS_##dfs),	\
-			 _FP_WFRACBITS_##sfs);				\
-	else								\
-	  _FP_FRAC_SRL_1(D, (_FP_WFRACBITS_##sfs-_FP_WFRACBITS_##dfs));	\
-      }									\
-    else								\
-      D##_f <<= _FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs;		\
-  } while (0)
-
-#endif /* __MATH_EMU_OP_1_H__ */
diff --git a/include/math-emu-old/op-2.h b/include/math-emu-old/op-2.h
deleted file mode 100644
index 4f26ecc..0000000
--- a/include/math-emu-old/op-2.h
+++ /dev/null
@@ -1,613 +0,0 @@
-/* Software floating-point emulation.
-   Basic two-word fraction declaration and manipulation.
-   Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@cygnus.com),
-		  Jakub Jelinek (jj@ultra.linux.cz),
-		  David S. Miller (davem@redhat.com) and
-		  Peter Maydell (pmaydell@chiark.greenend.org.uk).
-
-   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_EMU_OP_2_H__
-#define __MATH_EMU_OP_2_H__
-
-#define _FP_FRAC_DECL_2(X)	_FP_W_TYPE X##_f0 = 0, X##_f1 = 0
-#define _FP_FRAC_COPY_2(D,S)	(D##_f0 = S##_f0, D##_f1 = S##_f1)
-#define _FP_FRAC_SET_2(X,I)	__FP_FRAC_SET_2(X, I)
-#define _FP_FRAC_HIGH_2(X)	(X##_f1)
-#define _FP_FRAC_LOW_2(X)	(X##_f0)
-#define _FP_FRAC_WORD_2(X,w)	(X##_f##w)
-
-#define _FP_FRAC_SLL_2(X,N)						\
-  do {									\
-    if ((N) < _FP_W_TYPE_SIZE)						\
-      {									\
-	if (__builtin_constant_p(N) && (N) == 1) 			\
-	  {								\
-	    X##_f1 = X##_f1 + X##_f1 + (((_FP_WS_TYPE)(X##_f0)) < 0);	\
-	    X##_f0 += X##_f0;						\
-	  }								\
-	else								\
-	  {								\
-	    X##_f1 = X##_f1 << (N) | X##_f0 >> (_FP_W_TYPE_SIZE - (N));	\
-	    X##_f0 <<= (N);						\
-	  }								\
-      }									\
-    else								\
-      {									\
-	X##_f1 = X##_f0 << ((N) - _FP_W_TYPE_SIZE);			\
-	X##_f0 = 0;							\
-      }									\
-  } while (0)
-
-#define _FP_FRAC_SRL_2(X,N)						\
-  do {									\
-    if ((N) < _FP_W_TYPE_SIZE)						\
-      {									\
-	X##_f0 = X##_f0 >> (N) | X##_f1 << (_FP_W_TYPE_SIZE - (N));	\
-	X##_f1 >>= (N);							\
-      }									\
-    else								\
-      {									\
-	X##_f0 = X##_f1 >> ((N) - _FP_W_TYPE_SIZE);			\
-	X##_f1 = 0;							\
-      }									\
-  } while (0)
-
-/* Right shift with sticky-lsb.  */
-#define _FP_FRAC_SRS_2(X,N,sz)						\
-  do {									\
-    if ((N) < _FP_W_TYPE_SIZE)						\
-      {									\
-	X##_f0 = (X##_f1 << (_FP_W_TYPE_SIZE - (N)) | X##_f0 >> (N) |	\
-		  (__builtin_constant_p(N) && (N) == 1			\
-		   ? X##_f0 & 1						\
-		   : (X##_f0 << (_FP_W_TYPE_SIZE - (N))) != 0));	\
-	X##_f1 >>= (N);							\
-      }									\
-    else								\
-      {									\
-	X##_f0 = (X##_f1 >> ((N) - _FP_W_TYPE_SIZE) |			\
-		(((X##_f1 << (2*_FP_W_TYPE_SIZE - (N))) | X##_f0) != 0)); \
-	X##_f1 = 0;							\
-      }									\
-  } while (0)
-
-#define _FP_FRAC_ADDI_2(X,I)	\
-  __FP_FRAC_ADDI_2(X##_f1, X##_f0, I)
-
-#define _FP_FRAC_ADD_2(R,X,Y)	\
-  __FP_FRAC_ADD_2(R##_f1, R##_f0, X##_f1, X##_f0, Y##_f1, Y##_f0)
-
-#define _FP_FRAC_SUB_2(R,X,Y)	\
-  __FP_FRAC_SUB_2(R##_f1, R##_f0, X##_f1, X##_f0, Y##_f1, Y##_f0)
-
-#define _FP_FRAC_DEC_2(X,Y)	\
-  __FP_FRAC_DEC_2(X##_f1, X##_f0, Y##_f1, Y##_f0)
-
-#define _FP_FRAC_CLZ_2(R,X)	\
-  do {				\
-    if (X##_f1)			\
-      __FP_CLZ(R,X##_f1);	\
-    else 			\
-    {				\
-      __FP_CLZ(R,X##_f0);	\
-      R += _FP_W_TYPE_SIZE;	\
-    }				\
-  } while(0)
-
-/* Predicates */
-#define _FP_FRAC_NEGP_2(X)	((_FP_WS_TYPE)X##_f1 < 0)
-#define _FP_FRAC_ZEROP_2(X)	((X##_f1 | X##_f0) == 0)
-#define _FP_FRAC_OVERP_2(fs,X)	(_FP_FRAC_HIGH_##fs(X) & _FP_OVERFLOW_##fs)
-#define _FP_FRAC_CLEAR_OVERP_2(fs,X)	(_FP_FRAC_HIGH_##fs(X) &= ~_FP_OVERFLOW_##fs)
-#define _FP_FRAC_EQ_2(X, Y)	(X##_f1 == Y##_f1 && X##_f0 == Y##_f0)
-#define _FP_FRAC_GT_2(X, Y)	\
-  (X##_f1 > Y##_f1 || (X##_f1 == Y##_f1 && X##_f0 > Y##_f0))
-#define _FP_FRAC_GE_2(X, Y)	\
-  (X##_f1 > Y##_f1 || (X##_f1 == Y##_f1 && X##_f0 >= Y##_f0))
-
-#define _FP_ZEROFRAC_2		0, 0
-#define _FP_MINFRAC_2		0, 1
-#define _FP_MAXFRAC_2		(~(_FP_WS_TYPE)0), (~(_FP_WS_TYPE)0)
-
-/*
- * Internals 
- */
-
-#define __FP_FRAC_SET_2(X,I1,I0)	(X##_f0 = I0, X##_f1 = I1)
-
-#define __FP_CLZ_2(R, xh, xl)	\
-  do {				\
-    if (xh)			\
-      __FP_CLZ(R,xh);		\
-    else 			\
-    {				\
-      __FP_CLZ(R,xl);		\
-      R += _FP_W_TYPE_SIZE;	\
-    }				\
-  } while(0)
-
-#if 0
-
-#ifndef __FP_FRAC_ADDI_2
-#define __FP_FRAC_ADDI_2(xh, xl, i)	\
-  (xh += ((xl += i) < i))
-#endif
-#ifndef __FP_FRAC_ADD_2
-#define __FP_FRAC_ADD_2(rh, rl, xh, xl, yh, yl)	\
-  (rh = xh + yh + ((rl = xl + yl) < xl))
-#endif
-#ifndef __FP_FRAC_SUB_2
-#define __FP_FRAC_SUB_2(rh, rl, xh, xl, yh, yl)	\
-  (rh = xh - yh - ((rl = xl - yl) > xl))
-#endif
-#ifndef __FP_FRAC_DEC_2
-#define __FP_FRAC_DEC_2(xh, xl, yh, yl)	\
-  do {					\
-    UWtype _t = xl;			\
-    xh -= yh + ((xl -= yl) > _t);	\
-  } while (0)
-#endif
-
-#else
-
-#undef __FP_FRAC_ADDI_2
-#define __FP_FRAC_ADDI_2(xh, xl, i)	add_ssaaaa(xh, xl, xh, xl, 0, i)
-#undef __FP_FRAC_ADD_2
-#define __FP_FRAC_ADD_2			add_ssaaaa
-#undef __FP_FRAC_SUB_2
-#define __FP_FRAC_SUB_2			sub_ddmmss
-#undef __FP_FRAC_DEC_2
-#define __FP_FRAC_DEC_2(xh, xl, yh, yl)	sub_ddmmss(xh, xl, xh, xl, yh, yl)
-
-#endif
-
-/*
- * Unpack the raw bits of a native fp value.  Do not classify or
- * normalize the data.
- */
-
-#define _FP_UNPACK_RAW_2(fs, X, val)			\
-  do {							\
-    union _FP_UNION_##fs _flo; _flo.flt = (val);	\
-							\
-    X##_f0 = _flo.bits.frac0;				\
-    X##_f1 = _flo.bits.frac1;				\
-    X##_e  = _flo.bits.exp;				\
-    X##_s  = _flo.bits.sign;				\
-  } while (0)
-
-#define _FP_UNPACK_RAW_2_P(fs, X, val)			\
-  do {							\
-    union _FP_UNION_##fs *_flo =			\
-      (union _FP_UNION_##fs *)(val);			\
-							\
-    X##_f0 = _flo->bits.frac0;				\
-    X##_f1 = _flo->bits.frac1;				\
-    X##_e  = _flo->bits.exp;				\
-    X##_s  = _flo->bits.sign;				\
-  } while (0)
-
-
-/*
- * Repack the raw bits of a native fp value.
- */
-
-#define _FP_PACK_RAW_2(fs, val, X)			\
-  do {							\
-    union _FP_UNION_##fs _flo;				\
-							\
-    _flo.bits.frac0 = X##_f0;				\
-    _flo.bits.frac1 = X##_f1;				\
-    _flo.bits.exp   = X##_e;				\
-    _flo.bits.sign  = X##_s;				\
-							\
-    (val) = _flo.flt;					\
-  } while (0)
-
-#define _FP_PACK_RAW_2_P(fs, val, X)			\
-  do {							\
-    union _FP_UNION_##fs *_flo =			\
-      (union _FP_UNION_##fs *)(val);			\
-							\
-    _flo->bits.frac0 = X##_f0;				\
-    _flo->bits.frac1 = X##_f1;				\
-    _flo->bits.exp   = X##_e;				\
-    _flo->bits.sign  = X##_s;				\
-  } while (0)
-
-
-/*
- * Multiplication algorithms:
- */
-
-/* Given a 1W * 1W => 2W primitive, do the extended multiplication.  */
-
-#define _FP_MUL_MEAT_2_wide(wfracbits, R, X, Y, doit)			\
-  do {									\
-    _FP_FRAC_DECL_4(_z); _FP_FRAC_DECL_2(_b); _FP_FRAC_DECL_2(_c);	\
-									\
-    doit(_FP_FRAC_WORD_4(_z,1), _FP_FRAC_WORD_4(_z,0), X##_f0, Y##_f0);	\
-    doit(_b_f1, _b_f0, X##_f0, Y##_f1);					\
-    doit(_c_f1, _c_f0, X##_f1, Y##_f0);					\
-    doit(_FP_FRAC_WORD_4(_z,3), _FP_FRAC_WORD_4(_z,2), X##_f1, Y##_f1);	\
-									\
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2),	\
-		    _FP_FRAC_WORD_4(_z,1), 0, _b_f1, _b_f0,		\
-		    _FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2),	\
-		    _FP_FRAC_WORD_4(_z,1));				\
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2),	\
-		    _FP_FRAC_WORD_4(_z,1), 0, _c_f1, _c_f0,		\
-		    _FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2),	\
-		    _FP_FRAC_WORD_4(_z,1));				\
-									\
-    /* Normalize since we know where the msb of the multiplicands	\
-       were (bit B), we know that the msb of the of the product is	\
-       at either 2B or 2B-1.  */					\
-    _FP_FRAC_SRS_4(_z, wfracbits-1, 2*wfracbits);			\
-    R##_f0 = _FP_FRAC_WORD_4(_z,0);					\
-    R##_f1 = _FP_FRAC_WORD_4(_z,1);					\
-  } while (0)
-
-/* Given a 1W * 1W => 2W primitive, do the extended multiplication.
-   Do only 3 multiplications instead of four. This one is for machines
-   where multiplication is much more expensive than subtraction.  */
-
-#define _FP_MUL_MEAT_2_wide_3mul(wfracbits, R, X, Y, doit)		\
-  do {									\
-    _FP_FRAC_DECL_4(_z); _FP_FRAC_DECL_2(_b); _FP_FRAC_DECL_2(_c);	\
-    _FP_W_TYPE _d;							\
-    int _c1, _c2;							\
-									\
-    _b_f0 = X##_f0 + X##_f1;						\
-    _c1 = _b_f0 < X##_f0;						\
-    _b_f1 = Y##_f0 + Y##_f1;						\
-    _c2 = _b_f1 < Y##_f0;						\
-    doit(_d, _FP_FRAC_WORD_4(_z,0), X##_f0, Y##_f0);			\
-    doit(_FP_FRAC_WORD_4(_z,2), _FP_FRAC_WORD_4(_z,1), _b_f0, _b_f1);	\
-    doit(_c_f1, _c_f0, X##_f1, Y##_f1);					\
-									\
-    _b_f0 &= -_c2;							\
-    _b_f1 &= -_c1;							\
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2),	\
-		    _FP_FRAC_WORD_4(_z,1), (_c1 & _c2), 0, _d,		\
-		    0, _FP_FRAC_WORD_4(_z,2), _FP_FRAC_WORD_4(_z,1));	\
-    __FP_FRAC_ADDI_2(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2),	\
-		     _b_f0);						\
-    __FP_FRAC_ADDI_2(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2),	\
-		     _b_f1);						\
-    __FP_FRAC_DEC_3(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2),	\
-		    _FP_FRAC_WORD_4(_z,1),				\
-		    0, _d, _FP_FRAC_WORD_4(_z,0));			\
-    __FP_FRAC_DEC_3(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2),	\
-		    _FP_FRAC_WORD_4(_z,1), 0, _c_f1, _c_f0);		\
-    __FP_FRAC_ADD_2(_FP_FRAC_WORD_4(_z,3), _FP_FRAC_WORD_4(_z,2),	\
-		    _c_f1, _c_f0,					\
-		    _FP_FRAC_WORD_4(_z,3), _FP_FRAC_WORD_4(_z,2));	\
-									\
-    /* Normalize since we know where the msb of the multiplicands	\
-       were (bit B), we know that the msb of the of the product is	\
-       at either 2B or 2B-1.  */					\
-    _FP_FRAC_SRS_4(_z, wfracbits-1, 2*wfracbits);			\
-    R##_f0 = _FP_FRAC_WORD_4(_z,0);					\
-    R##_f1 = _FP_FRAC_WORD_4(_z,1);					\
-  } while (0)
-
-#define _FP_MUL_MEAT_2_gmp(wfracbits, R, X, Y)				\
-  do {									\
-    _FP_FRAC_DECL_4(_z);						\
-    _FP_W_TYPE _x[2], _y[2];						\
-    _x[0] = X##_f0; _x[1] = X##_f1;					\
-    _y[0] = Y##_f0; _y[1] = Y##_f1;					\
-									\
-    mpn_mul_n(_z_f, _x, _y, 2);						\
-									\
-    /* Normalize since we know where the msb of the multiplicands	\
-       were (bit B), we know that the msb of the of the product is	\
-       at either 2B or 2B-1.  */					\
-    _FP_FRAC_SRS_4(_z, wfracbits-1, 2*wfracbits);			\
-    R##_f0 = _z_f[0];							\
-    R##_f1 = _z_f[1];							\
-  } while (0)
-
-/* Do at most 120x120=240 bits multiplication using double floating
-   point multiplication.  This is useful if floating point
-   multiplication has much bigger throughput than integer multiply.
-   It is supposed to work for _FP_W_TYPE_SIZE 64 and wfracbits
-   between 106 and 120 only.  
-   Caller guarantees that X and Y has (1LLL << (wfracbits - 1)) set.
-   SETFETZ is a macro which will disable all FPU exceptions and set rounding
-   towards zero,  RESETFE should optionally reset it back.  */
-
-#define _FP_MUL_MEAT_2_120_240_double(wfracbits, R, X, Y, setfetz, resetfe)	\
-  do {										\
-    static const double _const[] = {						\
-      /* 2^-24 */ 5.9604644775390625e-08,					\
-      /* 2^-48 */ 3.5527136788005009e-15,					\
-      /* 2^-72 */ 2.1175823681357508e-22,					\
-      /* 2^-96 */ 1.2621774483536189e-29,					\
-      /* 2^28 */ 2.68435456e+08,						\
-      /* 2^4 */ 1.600000e+01,							\
-      /* 2^-20 */ 9.5367431640625e-07,						\
-      /* 2^-44 */ 5.6843418860808015e-14,					\
-      /* 2^-68 */ 3.3881317890172014e-21,					\
-      /* 2^-92 */ 2.0194839173657902e-28,					\
-      /* 2^-116 */ 1.2037062152420224e-35};					\
-    double _a240, _b240, _c240, _d240, _e240, _f240, 				\
-	   _g240, _h240, _i240, _j240, _k240;					\
-    union { double d; UDItype i; } _l240, _m240, _n240, _o240,			\
-				   _p240, _q240, _r240, _s240;			\
-    UDItype _t240, _u240, _v240, _w240, _x240, _y240 = 0;			\
-										\
-    if (wfracbits < 106 || wfracbits > 120)					\
-      abort();									\
-										\
-    setfetz;									\
-										\
-    _e240 = (double)(long)(X##_f0 & 0xffffff);					\
-    _j240 = (double)(long)(Y##_f0 & 0xffffff);					\
-    _d240 = (double)(long)((X##_f0 >> 24) & 0xffffff);				\
-    _i240 = (double)(long)((Y##_f0 >> 24) & 0xffffff);				\
-    _c240 = (double)(long)(((X##_f1 << 16) & 0xffffff) | (X##_f0 >> 48));	\
-    _h240 = (double)(long)(((Y##_f1 << 16) & 0xffffff) | (Y##_f0 >> 48));	\
-    _b240 = (double)(long)((X##_f1 >> 8) & 0xffffff);				\
-    _g240 = (double)(long)((Y##_f1 >> 8) & 0xffffff);				\
-    _a240 = (double)(long)(X##_f1 >> 32);					\
-    _f240 = (double)(long)(Y##_f1 >> 32);					\
-    _e240 *= _const[3];								\
-    _j240 *= _const[3];								\
-    _d240 *= _const[2];								\
-    _i240 *= _const[2];								\
-    _c240 *= _const[1];								\
-    _h240 *= _const[1];								\
-    _b240 *= _const[0];								\
-    _g240 *= _const[0];								\
-    _s240.d =							      _e240*_j240;\
-    _r240.d =						_d240*_j240 + _e240*_i240;\
-    _q240.d =				  _c240*_j240 + _d240*_i240 + _e240*_h240;\
-    _p240.d =		    _b240*_j240 + _c240*_i240 + _d240*_h240 + _e240*_g240;\
-    _o240.d = _a240*_j240 + _b240*_i240 + _c240*_h240 + _d240*_g240 + _e240*_f240;\
-    _n240.d = _a240*_i240 + _b240*_h240 + _c240*_g240 + _d240*_f240;		\
-    _m240.d = _a240*_h240 + _b240*_g240 + _c240*_f240;				\
-    _l240.d = _a240*_g240 + _b240*_f240;					\
-    _k240 =   _a240*_f240;							\
-    _r240.d += _s240.d;								\
-    _q240.d += _r240.d;								\
-    _p240.d += _q240.d;								\
-    _o240.d += _p240.d;								\
-    _n240.d += _o240.d;								\
-    _m240.d += _n240.d;								\
-    _l240.d += _m240.d;								\
-    _k240 += _l240.d;								\
-    _s240.d -= ((_const[10]+_s240.d)-_const[10]);				\
-    _r240.d -= ((_const[9]+_r240.d)-_const[9]);					\
-    _q240.d -= ((_const[8]+_q240.d)-_const[8]);					\
-    _p240.d -= ((_const[7]+_p240.d)-_const[7]);					\
-    _o240.d += _const[7];							\
-    _n240.d += _const[6];							\
-    _m240.d += _const[5];							\
-    _l240.d += _const[4];							\
-    if (_s240.d != 0.0) _y240 = 1;						\
-    if (_r240.d != 0.0) _y240 = 1;						\
-    if (_q240.d != 0.0) _y240 = 1;						\
-    if (_p240.d != 0.0) _y240 = 1;						\
-    _t240 = (DItype)_k240;							\
-    _u240 = _l240.i;								\
-    _v240 = _m240.i;								\
-    _w240 = _n240.i;								\
-    _x240 = _o240.i;								\
-    R##_f1 = (_t240 << (128 - (wfracbits - 1)))					\
-	     | ((_u240 & 0xffffff) >> ((wfracbits - 1) - 104));			\
-    R##_f0 = ((_u240 & 0xffffff) << (168 - (wfracbits - 1)))			\
-    	     | ((_v240 & 0xffffff) << (144 - (wfracbits - 1)))			\
-    	     | ((_w240 & 0xffffff) << (120 - (wfracbits - 1)))			\
-    	     | ((_x240 & 0xffffff) >> ((wfracbits - 1) - 96))			\
-    	     | _y240;								\
-    resetfe;									\
-  } while (0)
-
-/*
- * Division algorithms:
- */
-
-#define _FP_DIV_MEAT_2_udiv(fs, R, X, Y)				\
-  do {									\
-    _FP_W_TYPE _n_f2, _n_f1, _n_f0, _r_f1, _r_f0, _m_f1, _m_f0;		\
-    if (_FP_FRAC_GT_2(X, Y))						\
-      {									\
-	_n_f2 = X##_f1 >> 1;						\
-	_n_f1 = X##_f1 << (_FP_W_TYPE_SIZE - 1) | X##_f0 >> 1;		\
-	_n_f0 = X##_f0 << (_FP_W_TYPE_SIZE - 1);			\
-      }									\
-    else								\
-      {									\
-	R##_e--;							\
-	_n_f2 = X##_f1;							\
-	_n_f1 = X##_f0;							\
-	_n_f0 = 0;							\
-      }									\
-									\
-    /* Normalize, i.e. make the most significant bit of the 		\
-       denominator set. */						\
-    _FP_FRAC_SLL_2(Y, _FP_WFRACXBITS_##fs);				\
-									\
-    udiv_qrnnd(R##_f1, _r_f1, _n_f2, _n_f1, Y##_f1);			\
-    umul_ppmm(_m_f1, _m_f0, R##_f1, Y##_f0);				\
-    _r_f0 = _n_f0;							\
-    if (_FP_FRAC_GT_2(_m, _r))						\
-      {									\
-	R##_f1--;							\
-	_FP_FRAC_ADD_2(_r, Y, _r);					\
-	if (_FP_FRAC_GE_2(_r, Y) && _FP_FRAC_GT_2(_m, _r))		\
-	  {								\
-	    R##_f1--;							\
-	    _FP_FRAC_ADD_2(_r, Y, _r);					\
-	  }								\
-      }									\
-    _FP_FRAC_DEC_2(_r, _m);						\
-									\
-    if (_r_f1 == Y##_f1)						\
-      {									\
-	/* This is a special case, not an optimization			\
-	   (_r/Y##_f1 would not fit into UWtype).			\
-	   As _r is guaranteed to be < Y,  R##_f0 can be either		\
-	   (UWtype)-1 or (UWtype)-2.  But as we know what kind		\
-	   of bits it is (sticky, guard, round),  we don't care.	\
-	   We also don't care what the reminder is,  because the	\
-	   guard bit will be set anyway.  -jj */			\
-	R##_f0 = -1;							\
-      }									\
-    else								\
-      {									\
-	udiv_qrnnd(R##_f0, _r_f1, _r_f1, _r_f0, Y##_f1);		\
-	umul_ppmm(_m_f1, _m_f0, R##_f0, Y##_f0);			\
-	_r_f0 = 0;							\
-	if (_FP_FRAC_GT_2(_m, _r))					\
-	  {								\
-	    R##_f0--;							\
-	    _FP_FRAC_ADD_2(_r, Y, _r);					\
-	    if (_FP_FRAC_GE_2(_r, Y) && _FP_FRAC_GT_2(_m, _r))		\
-	      {								\
-		R##_f0--;						\
-		_FP_FRAC_ADD_2(_r, Y, _r);				\
-	      }								\
-	  }								\
-	if (!_FP_FRAC_EQ_2(_r, _m))					\
-	  R##_f0 |= _FP_WORK_STICKY;					\
-      }									\
-  } while (0)
-
-
-#define _FP_DIV_MEAT_2_gmp(fs, R, X, Y)					\
-  do {									\
-    _FP_W_TYPE _x[4], _y[2], _z[4];					\
-    _y[0] = Y##_f0; _y[1] = Y##_f1;					\
-    _x[0] = _x[3] = 0;							\
-    if (_FP_FRAC_GT_2(X, Y))						\
-      {									\
-	R##_e++;							\
-	_x[1] = (X##_f0 << (_FP_WFRACBITS_##fs-1 - _FP_W_TYPE_SIZE) |	\
-		 X##_f1 >> (_FP_W_TYPE_SIZE -				\
-			    (_FP_WFRACBITS_##fs-1 - _FP_W_TYPE_SIZE)));	\
-	_x[2] = X##_f1 << (_FP_WFRACBITS_##fs-1 - _FP_W_TYPE_SIZE);	\
-      }									\
-    else								\
-      {									\
-	_x[1] = (X##_f0 << (_FP_WFRACBITS_##fs - _FP_W_TYPE_SIZE) |	\
-		 X##_f1 >> (_FP_W_TYPE_SIZE -				\
-			    (_FP_WFRACBITS_##fs - _FP_W_TYPE_SIZE)));	\
-	_x[2] = X##_f1 << (_FP_WFRACBITS_##fs - _FP_W_TYPE_SIZE);	\
-      }									\
-									\
-    (void) mpn_divrem (_z, 0, _x, 4, _y, 2);				\
-    R##_f1 = _z[1];							\
-    R##_f0 = _z[0] | ((_x[0] | _x[1]) != 0);				\
-  } while (0)
-
-
-/*
- * Square root algorithms:
- * We have just one right now, maybe Newton approximation
- * should be added for those machines where division is fast.
- */
- 
-#define _FP_SQRT_MEAT_2(R, S, T, X, q)			\
-  do {							\
-    while (q)						\
-      {							\
-	T##_f1 = S##_f1 + q;				\
-	if (T##_f1 <= X##_f1)				\
-	  {						\
-	    S##_f1 = T##_f1 + q;			\
-	    X##_f1 -= T##_f1;				\
-	    R##_f1 += q;				\
-	  }						\
-	_FP_FRAC_SLL_2(X, 1);				\
-	q >>= 1;					\
-      }							\
-    q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1);		\
-    while (q != _FP_WORK_ROUND)				\
-      {							\
-	T##_f0 = S##_f0 + q;				\
-	T##_f1 = S##_f1;				\
-	if (T##_f1 < X##_f1 || 				\
-	    (T##_f1 == X##_f1 && T##_f0 <= X##_f0))	\
-	  {						\
-	    S##_f0 = T##_f0 + q;			\
-	    S##_f1 += (T##_f0 > S##_f0);		\
-	    _FP_FRAC_DEC_2(X, T);			\
-	    R##_f0 += q;				\
-	  }						\
-	_FP_FRAC_SLL_2(X, 1);				\
-	q >>= 1;					\
-      }							\
-    if (X##_f0 | X##_f1)				\
-      {							\
-	if (S##_f1 < X##_f1 || 				\
-	    (S##_f1 == X##_f1 && S##_f0 < X##_f0))	\
-	  R##_f0 |= _FP_WORK_ROUND;			\
-	R##_f0 |= _FP_WORK_STICKY;			\
-      }							\
-  } while (0)
-
-
-/*
- * Assembly/disassembly for converting to/from integral types.  
- * No shifting or overflow handled here.
- */
-
-#define _FP_FRAC_ASSEMBLE_2(r, X, rsize)	\
-  do {						\
-    if (rsize <= _FP_W_TYPE_SIZE)		\
-      r = X##_f0;				\
-    else					\
-      {						\
-	r = X##_f1;				\
-	r <<= _FP_W_TYPE_SIZE;			\
-	r += X##_f0;				\
-      }						\
-  } while (0)
-
-#define _FP_FRAC_DISASSEMBLE_2(X, r, rsize)				\
-  do {									\
-    X##_f0 = r;								\
-    X##_f1 = (rsize <= _FP_W_TYPE_SIZE ? 0 : r >> _FP_W_TYPE_SIZE);	\
-  } while (0)
-
-/*
- * Convert FP values between word sizes
- */
-
-#define _FP_FRAC_CONV_1_2(dfs, sfs, D, S)				\
-  do {									\
-    if (S##_c != FP_CLS_NAN)						\
-      _FP_FRAC_SRS_2(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs),	\
-		     _FP_WFRACBITS_##sfs);				\
-    else								\
-      _FP_FRAC_SRL_2(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs));	\
-    D##_f = S##_f0;							\
-  } while (0)
-
-#define _FP_FRAC_CONV_2_1(dfs, sfs, D, S)				\
-  do {									\
-    D##_f0 = S##_f;							\
-    D##_f1 = 0;								\
-    _FP_FRAC_SLL_2(D, (_FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs));	\
-  } while (0)
-
-#endif
diff --git a/include/math-emu-old/op-4.h b/include/math-emu-old/op-4.h
deleted file mode 100644
index ba226f8..0000000
--- a/include/math-emu-old/op-4.h
+++ /dev/null
@@ -1,692 +0,0 @@
-/* Software floating-point emulation.
-   Basic four-word fraction declaration and manipulation.
-   Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@cygnus.com),
-		  Jakub Jelinek (jj@ultra.linux.cz),
-		  David S. Miller (davem@redhat.com) and
-		  Peter Maydell (pmaydell@chiark.greenend.org.uk).
-
-   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_EMU_OP_4_H__
-#define __MATH_EMU_OP_4_H__
-
-#define _FP_FRAC_DECL_4(X)	_FP_W_TYPE X##_f[4]
-#define _FP_FRAC_COPY_4(D,S)			\
-  (D##_f[0] = S##_f[0], D##_f[1] = S##_f[1],	\
-   D##_f[2] = S##_f[2], D##_f[3] = S##_f[3])
-#define _FP_FRAC_SET_4(X,I)	__FP_FRAC_SET_4(X, I)
-#define _FP_FRAC_HIGH_4(X)	(X##_f[3])
-#define _FP_FRAC_LOW_4(X)	(X##_f[0])
-#define _FP_FRAC_WORD_4(X,w)	(X##_f[w])
-
-#define _FP_FRAC_SLL_4(X,N)						\
-  do {									\
-    _FP_I_TYPE _up, _down, _skip, _i;					\
-    _skip = (N) / _FP_W_TYPE_SIZE;					\
-    _up = (N) % _FP_W_TYPE_SIZE;					\
-    _down = _FP_W_TYPE_SIZE - _up;					\
-    if (!_up)								\
-      for (_i = 3; _i >= _skip; --_i)					\
-	X##_f[_i] = X##_f[_i-_skip];					\
-    else								\
-      {									\
-	for (_i = 3; _i > _skip; --_i)					\
-	  X##_f[_i] = X##_f[_i-_skip] << _up				\
-		      | X##_f[_i-_skip-1] >> _down;			\
-	X##_f[_i--] = X##_f[0] << _up; 					\
-      }									\
-    for (; _i >= 0; --_i)						\
-      X##_f[_i] = 0;							\
-  } while (0)
-
-/* This one was broken too */
-#define _FP_FRAC_SRL_4(X,N)						\
-  do {									\
-    _FP_I_TYPE _up, _down, _skip, _i;					\
-    _skip = (N) / _FP_W_TYPE_SIZE;					\
-    _down = (N) % _FP_W_TYPE_SIZE;					\
-    _up = _FP_W_TYPE_SIZE - _down;					\
-    if (!_down)								\
-      for (_i = 0; _i <= 3-_skip; ++_i)					\
-	X##_f[_i] = X##_f[_i+_skip];					\
-    else								\
-      {									\
-	for (_i = 0; _i < 3-_skip; ++_i)				\
-	  X##_f[_i] = X##_f[_i+_skip] >> _down				\
-		      | X##_f[_i+_skip+1] << _up;			\
-	X##_f[_i++] = X##_f[3] >> _down;				\
-      }									\
-    for (; _i < 4; ++_i)						\
-      X##_f[_i] = 0;							\
-  } while (0)
-
-
-/* Right shift with sticky-lsb. 
- * What this actually means is that we do a standard right-shift,
- * but that if any of the bits that fall off the right hand side
- * were one then we always set the LSbit.
- */
-#define _FP_FRAC_SRS_4(X,N,size)					\
-  do {									\
-    _FP_I_TYPE _up, _down, _skip, _i;					\
-    _FP_W_TYPE _s;							\
-    _skip = (N) / _FP_W_TYPE_SIZE;					\
-    _down = (N) % _FP_W_TYPE_SIZE;					\
-    _up = _FP_W_TYPE_SIZE - _down;					\
-    for (_s = _i = 0; _i < _skip; ++_i)					\
-      _s |= X##_f[_i];							\
-    _s |= X##_f[_i] << _up;						\
-/* s is now != 0 if we want to set the LSbit */				\
-    if (!_down)								\
-      for (_i = 0; _i <= 3-_skip; ++_i)					\
-	X##_f[_i] = X##_f[_i+_skip];					\
-    else								\
-      {									\
-	for (_i = 0; _i < 3-_skip; ++_i)				\
-	  X##_f[_i] = X##_f[_i+_skip] >> _down				\
-		      | X##_f[_i+_skip+1] << _up;			\
-	X##_f[_i++] = X##_f[3] >> _down;				\
-      }									\
-    for (; _i < 4; ++_i)						\
-      X##_f[_i] = 0;							\
-    /* don't fix the LSB until the very end when we're sure f[0] is stable */	\
-    X##_f[0] |= (_s != 0);						\
-  } while (0)
-
-#define _FP_FRAC_ADD_4(R,X,Y)						\
-  __FP_FRAC_ADD_4(R##_f[3], R##_f[2], R##_f[1], R##_f[0],		\
-		  X##_f[3], X##_f[2], X##_f[1], X##_f[0],		\
-		  Y##_f[3], Y##_f[2], Y##_f[1], Y##_f[0])
-
-#define _FP_FRAC_SUB_4(R,X,Y)						\
-  __FP_FRAC_SUB_4(R##_f[3], R##_f[2], R##_f[1], R##_f[0],		\
-		  X##_f[3], X##_f[2], X##_f[1], X##_f[0],		\
-		  Y##_f[3], Y##_f[2], Y##_f[1], Y##_f[0])
-
-#define _FP_FRAC_DEC_4(X,Y)						\
-  __FP_FRAC_DEC_4(X##_f[3], X##_f[2], X##_f[1], X##_f[0],		\
-		  Y##_f[3], Y##_f[2], Y##_f[1], Y##_f[0])
-
-#define _FP_FRAC_ADDI_4(X,I)						\
-  __FP_FRAC_ADDI_4(X##_f[3], X##_f[2], X##_f[1], X##_f[0], I)
-
-#define _FP_ZEROFRAC_4  0,0,0,0
-#define _FP_MINFRAC_4   0,0,0,1
-#define _FP_MAXFRAC_4	(~(_FP_WS_TYPE)0), (~(_FP_WS_TYPE)0), (~(_FP_WS_TYPE)0), (~(_FP_WS_TYPE)0)
-
-#define _FP_FRAC_ZEROP_4(X)     ((X##_f[0] | X##_f[1] | X##_f[2] | X##_f[3]) == 0)
-#define _FP_FRAC_NEGP_4(X)      ((_FP_WS_TYPE)X##_f[3] < 0)
-#define _FP_FRAC_OVERP_4(fs,X)  (_FP_FRAC_HIGH_##fs(X) & _FP_OVERFLOW_##fs)
-#define _FP_FRAC_CLEAR_OVERP_4(fs,X)  (_FP_FRAC_HIGH_##fs(X) &= ~_FP_OVERFLOW_##fs)
-
-#define _FP_FRAC_EQ_4(X,Y)				\
- (X##_f[0] == Y##_f[0] && X##_f[1] == Y##_f[1]		\
-  && X##_f[2] == Y##_f[2] && X##_f[3] == Y##_f[3])
-
-#define _FP_FRAC_GT_4(X,Y)				\
- (X##_f[3] > Y##_f[3] ||				\
-  (X##_f[3] == Y##_f[3] && (X##_f[2] > Y##_f[2] ||	\
-   (X##_f[2] == Y##_f[2] && (X##_f[1] > Y##_f[1] ||	\
-    (X##_f[1] == Y##_f[1] && X##_f[0] > Y##_f[0])	\
-   ))							\
-  ))							\
- )
-
-#define _FP_FRAC_GE_4(X,Y)				\
- (X##_f[3] > Y##_f[3] ||				\
-  (X##_f[3] == Y##_f[3] && (X##_f[2] > Y##_f[2] ||	\
-   (X##_f[2] == Y##_f[2] && (X##_f[1] > Y##_f[1] ||	\
-    (X##_f[1] == Y##_f[1] && X##_f[0] >= Y##_f[0])	\
-   ))							\
-  ))							\
- )
-
-
-#define _FP_FRAC_CLZ_4(R,X)		\
-  do {					\
-    if (X##_f[3])			\
-    {					\
-	__FP_CLZ(R,X##_f[3]);		\
-    }					\
-    else if (X##_f[2])			\
-    {					\
-	__FP_CLZ(R,X##_f[2]);		\
-	R += _FP_W_TYPE_SIZE;		\
-    }					\
-    else if (X##_f[1])			\
-    {					\
-	__FP_CLZ(R,X##_f[2]);		\
-	R += _FP_W_TYPE_SIZE*2;		\
-    }					\
-    else				\
-    {					\
-	__FP_CLZ(R,X##_f[0]);		\
-	R += _FP_W_TYPE_SIZE*3;		\
-    }					\
-  } while(0)
-
-
-#define _FP_UNPACK_RAW_4(fs, X, val)				\
-  do {								\
-    union _FP_UNION_##fs _flo; _flo.flt = (val);		\
-    X##_f[0] = _flo.bits.frac0;					\
-    X##_f[1] = _flo.bits.frac1;					\
-    X##_f[2] = _flo.bits.frac2;					\
-    X##_f[3] = _flo.bits.frac3;					\
-    X##_e  = _flo.bits.exp;					\
-    X##_s  = _flo.bits.sign;					\
-  } while (0)
-
-#define _FP_UNPACK_RAW_4_P(fs, X, val)				\
-  do {								\
-    union _FP_UNION_##fs *_flo =				\
-      (union _FP_UNION_##fs *)(val);				\
-								\
-    X##_f[0] = _flo->bits.frac0;				\
-    X##_f[1] = _flo->bits.frac1;				\
-    X##_f[2] = _flo->bits.frac2;				\
-    X##_f[3] = _flo->bits.frac3;				\
-    X##_e  = _flo->bits.exp;					\
-    X##_s  = _flo->bits.sign;					\
-  } while (0)
-
-#define _FP_PACK_RAW_4(fs, val, X)				\
-  do {								\
-    union _FP_UNION_##fs _flo;					\
-    _flo.bits.frac0 = X##_f[0];					\
-    _flo.bits.frac1 = X##_f[1];					\
-    _flo.bits.frac2 = X##_f[2];					\
-    _flo.bits.frac3 = X##_f[3];					\
-    _flo.bits.exp   = X##_e;					\
-    _flo.bits.sign  = X##_s;					\
-    (val) = _flo.flt;				   		\
-  } while (0)
-
-#define _FP_PACK_RAW_4_P(fs, val, X)				\
-  do {								\
-    union _FP_UNION_##fs *_flo =				\
-      (union _FP_UNION_##fs *)(val);				\
-								\
-    _flo->bits.frac0 = X##_f[0];				\
-    _flo->bits.frac1 = X##_f[1];				\
-    _flo->bits.frac2 = X##_f[2];				\
-    _flo->bits.frac3 = X##_f[3];				\
-    _flo->bits.exp   = X##_e;					\
-    _flo->bits.sign  = X##_s;					\
-  } while (0)
-
-/*
- * Multiplication algorithms:
- */
-
-/* Given a 1W * 1W => 2W primitive, do the extended multiplication.  */
-
-#define _FP_MUL_MEAT_4_wide(wfracbits, R, X, Y, doit)			    \
-  do {									    \
-    _FP_FRAC_DECL_8(_z); _FP_FRAC_DECL_2(_b); _FP_FRAC_DECL_2(_c);	    \
-    _FP_FRAC_DECL_2(_d); _FP_FRAC_DECL_2(_e); _FP_FRAC_DECL_2(_f);	    \
-									    \
-    doit(_FP_FRAC_WORD_8(_z,1), _FP_FRAC_WORD_8(_z,0), X##_f[0], Y##_f[0]); \
-    doit(_b_f1, _b_f0, X##_f[0], Y##_f[1]);				    \
-    doit(_c_f1, _c_f0, X##_f[1], Y##_f[0]);				    \
-    doit(_d_f1, _d_f0, X##_f[1], Y##_f[1]);				    \
-    doit(_e_f1, _e_f0, X##_f[0], Y##_f[2]);				    \
-    doit(_f_f1, _f_f0, X##_f[2], Y##_f[0]);				    \
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,3),_FP_FRAC_WORD_8(_z,2),	    \
-		    _FP_FRAC_WORD_8(_z,1), 0,_b_f1,_b_f0,		    \
-		    0,0,_FP_FRAC_WORD_8(_z,1));				    \
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,3),_FP_FRAC_WORD_8(_z,2),	    \
-		    _FP_FRAC_WORD_8(_z,1), 0,_c_f1,_c_f0,		    \
-		    _FP_FRAC_WORD_8(_z,3),_FP_FRAC_WORD_8(_z,2),	    \
-		    _FP_FRAC_WORD_8(_z,1));				    \
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3),	    \
-		    _FP_FRAC_WORD_8(_z,2), 0,_d_f1,_d_f0,		    \
-		    0,_FP_FRAC_WORD_8(_z,3),_FP_FRAC_WORD_8(_z,2));	    \
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3),	    \
-		    _FP_FRAC_WORD_8(_z,2), 0,_e_f1,_e_f0,		    \
-		    _FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3),	    \
-		    _FP_FRAC_WORD_8(_z,2));				    \
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3),	    \
-		    _FP_FRAC_WORD_8(_z,2), 0,_f_f1,_f_f0,		    \
-		    _FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3),	    \
-		    _FP_FRAC_WORD_8(_z,2));				    \
-    doit(_b_f1, _b_f0, X##_f[0], Y##_f[3]);				    \
-    doit(_c_f1, _c_f0, X##_f[3], Y##_f[0]);				    \
-    doit(_d_f1, _d_f0, X##_f[1], Y##_f[2]);				    \
-    doit(_e_f1, _e_f0, X##_f[2], Y##_f[1]);				    \
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4),	    \
-		    _FP_FRAC_WORD_8(_z,3), 0,_b_f1,_b_f0,		    \
-		    0,_FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3));	    \
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4),	    \
-		    _FP_FRAC_WORD_8(_z,3), 0,_c_f1,_c_f0,		    \
-		    _FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4),	    \
-		    _FP_FRAC_WORD_8(_z,3));				    \
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4),	    \
-		    _FP_FRAC_WORD_8(_z,3), 0,_d_f1,_d_f0,		    \
-		    _FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4),	    \
-		    _FP_FRAC_WORD_8(_z,3));				    \
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4),	    \
-		    _FP_FRAC_WORD_8(_z,3), 0,_e_f1,_e_f0,		    \
-		    _FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4),	    \
-		    _FP_FRAC_WORD_8(_z,3));				    \
-    doit(_b_f1, _b_f0, X##_f[2], Y##_f[2]);				    \
-    doit(_c_f1, _c_f0, X##_f[1], Y##_f[3]);				    \
-    doit(_d_f1, _d_f0, X##_f[3], Y##_f[1]);				    \
-    doit(_e_f1, _e_f0, X##_f[2], Y##_f[3]);				    \
-    doit(_f_f1, _f_f0, X##_f[3], Y##_f[2]);				    \
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5),	    \
-		    _FP_FRAC_WORD_8(_z,4), 0,_b_f1,_b_f0,		    \
-		    0,_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4));	    \
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5),	    \
-		    _FP_FRAC_WORD_8(_z,4), 0,_c_f1,_c_f0,		    \
-		    _FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5),	    \
-		    _FP_FRAC_WORD_8(_z,4));				    \
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5),	    \
-		    _FP_FRAC_WORD_8(_z,4), 0,_d_f1,_d_f0,		    \
-		    _FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5),	    \
-		    _FP_FRAC_WORD_8(_z,4));				    \
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,7),_FP_FRAC_WORD_8(_z,6),	    \
-		    _FP_FRAC_WORD_8(_z,5), 0,_e_f1,_e_f0,		    \
-		    0,_FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5));	    \
-    __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,7),_FP_FRAC_WORD_8(_z,6),	    \
-		    _FP_FRAC_WORD_8(_z,5), 0,_f_f1,_f_f0,		    \
-		    _FP_FRAC_WORD_8(_z,7),_FP_FRAC_WORD_8(_z,6),	    \
-		    _FP_FRAC_WORD_8(_z,5));				    \
-    doit(_b_f1, _b_f0, X##_f[3], Y##_f[3]);				    \
-    __FP_FRAC_ADD_2(_FP_FRAC_WORD_8(_z,7),_FP_FRAC_WORD_8(_z,6),	    \
-		    _b_f1,_b_f0,					    \
-		    _FP_FRAC_WORD_8(_z,7),_FP_FRAC_WORD_8(_z,6));	    \
-									    \
-    /* Normalize since we know where the msb of the multiplicands	    \
-       were (bit B), we know that the msb of the of the product is	    \
-       at either 2B or 2B-1.  */					    \
-    _FP_FRAC_SRS_8(_z, wfracbits-1, 2*wfracbits);			    \
-    __FP_FRAC_SET_4(R, _FP_FRAC_WORD_8(_z,3), _FP_FRAC_WORD_8(_z,2),	    \
-		    _FP_FRAC_WORD_8(_z,1), _FP_FRAC_WORD_8(_z,0));	    \
-  } while (0)
-
-#define _FP_MUL_MEAT_4_gmp(wfracbits, R, X, Y)				    \
-  do {									    \
-    _FP_FRAC_DECL_8(_z);						    \
-									    \
-    mpn_mul_n(_z_f, _x_f, _y_f, 4);					    \
-									    \
-    /* Normalize since we know where the msb of the multiplicands	    \
-       were (bit B), we know that the msb of the of the product is	    \
-       at either 2B or 2B-1.  */					    \
-    _FP_FRAC_SRS_8(_z, wfracbits-1, 2*wfracbits);	 		    \
-    __FP_FRAC_SET_4(R, _FP_FRAC_WORD_8(_z,3), _FP_FRAC_WORD_8(_z,2),	    \
-		    _FP_FRAC_WORD_8(_z,1), _FP_FRAC_WORD_8(_z,0));	    \
-  } while (0)
-
-/*
- * Helper utility for _FP_DIV_MEAT_4_udiv:
- * pppp = m * nnn
- */
-#define umul_ppppmnnn(p3,p2,p1,p0,m,n2,n1,n0)				    \
-  do {									    \
-    UWtype _t;								    \
-    umul_ppmm(p1,p0,m,n0);						    \
-    umul_ppmm(p2,_t,m,n1);						    \
-    __FP_FRAC_ADDI_2(p2,p1,_t);						    \
-    umul_ppmm(p3,_t,m,n2);						    \
-    __FP_FRAC_ADDI_2(p3,p2,_t);						    \
-  } while (0)
-
-/*
- * Division algorithms:
- */
-
-#define _FP_DIV_MEAT_4_udiv(fs, R, X, Y)				    \
-  do {									    \
-    int _i;								    \
-    _FP_FRAC_DECL_4(_n); _FP_FRAC_DECL_4(_m);				    \
-    _FP_FRAC_SET_4(_n, _FP_ZEROFRAC_4);					    \
-    if (_FP_FRAC_GT_4(X, Y))						    \
-      {									    \
-	_n_f[3] = X##_f[0] << (_FP_W_TYPE_SIZE - 1);			    \
-	_FP_FRAC_SRL_4(X, 1);						    \
-      }									    \
-    else								    \
-      R##_e--;								    \
-									    \
-    /* Normalize, i.e. make the most significant bit of the 		    \
-       denominator set. */						    \
-    _FP_FRAC_SLL_4(Y, _FP_WFRACXBITS_##fs);				    \
-									    \
-    for (_i = 3; ; _i--)						    \
-      {									    \
-        if (X##_f[3] == Y##_f[3])					    \
-          {								    \
-            /* This is a special case, not an optimization		    \
-               (X##_f[3]/Y##_f[3] would not fit into UWtype).		    \
-               As X## is guaranteed to be < Y,  R##_f[_i] can be either	    \
-               (UWtype)-1 or (UWtype)-2.  */				    \
-            R##_f[_i] = -1;						    \
-            if (!_i)							    \
-	      break;							    \
-            __FP_FRAC_SUB_4(X##_f[3], X##_f[2], X##_f[1], X##_f[0],	    \
-			    Y##_f[2], Y##_f[1], Y##_f[0], 0,		    \
-			    X##_f[2], X##_f[1], X##_f[0], _n_f[_i]);	    \
-            _FP_FRAC_SUB_4(X, Y, X);					    \
-            if (X##_f[3] > Y##_f[3])					    \
-              {								    \
-                R##_f[_i] = -2;						    \
-                _FP_FRAC_ADD_4(X, Y, X);				    \
-              }								    \
-          }								    \
-        else								    \
-          {								    \
-            udiv_qrnnd(R##_f[_i], X##_f[3], X##_f[3], X##_f[2], Y##_f[3]);  \
-            umul_ppppmnnn(_m_f[3], _m_f[2], _m_f[1], _m_f[0],		    \
-			  R##_f[_i], Y##_f[2], Y##_f[1], Y##_f[0]);	    \
-            X##_f[2] = X##_f[1];					    \
-            X##_f[1] = X##_f[0];					    \
-            X##_f[0] = _n_f[_i];					    \
-            if (_FP_FRAC_GT_4(_m, X))					    \
-              {								    \
-                R##_f[_i]--;						    \
-                _FP_FRAC_ADD_4(X, Y, X);				    \
-                if (_FP_FRAC_GE_4(X, Y) && _FP_FRAC_GT_4(_m, X))	    \
-                  {							    \
-		    R##_f[_i]--;					    \
-		    _FP_FRAC_ADD_4(X, Y, X);				    \
-                  }							    \
-              }								    \
-            _FP_FRAC_DEC_4(X, _m);					    \
-            if (!_i)							    \
-	      {								    \
-		if (!_FP_FRAC_EQ_4(X, _m))				    \
-		  R##_f[0] |= _FP_WORK_STICKY;				    \
-		break;							    \
-	      }								    \
-          }								    \
-      }									    \
-  } while (0)
-
-
-/*
- * Square root algorithms:
- * We have just one right now, maybe Newton approximation
- * should be added for those machines where division is fast.
- */
- 
-#define _FP_SQRT_MEAT_4(R, S, T, X, q)				\
-  do {								\
-    while (q)							\
-      {								\
-	T##_f[3] = S##_f[3] + q;				\
-	if (T##_f[3] <= X##_f[3])				\
-	  {							\
-	    S##_f[3] = T##_f[3] + q;				\
-	    X##_f[3] -= T##_f[3];				\
-	    R##_f[3] += q;					\
-	  }							\
-	_FP_FRAC_SLL_4(X, 1);					\
-	q >>= 1;						\
-      }								\
-    q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1);			\
-    while (q)							\
-      {								\
-	T##_f[2] = S##_f[2] + q;				\
-	T##_f[3] = S##_f[3];					\
-	if (T##_f[3] < X##_f[3] || 				\
-	    (T##_f[3] == X##_f[3] && T##_f[2] <= X##_f[2]))	\
-	  {							\
-	    S##_f[2] = T##_f[2] + q;				\
-	    S##_f[3] += (T##_f[2] > S##_f[2]);			\
-	    __FP_FRAC_DEC_2(X##_f[3], X##_f[2],			\
-			    T##_f[3], T##_f[2]);		\
-	    R##_f[2] += q;					\
-	  }							\
-	_FP_FRAC_SLL_4(X, 1);					\
-	q >>= 1;						\
-      }								\
-    q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1);			\
-    while (q)							\
-      {								\
-	T##_f[1] = S##_f[1] + q;				\
-	T##_f[2] = S##_f[2];					\
-	T##_f[3] = S##_f[3];					\
-	if (T##_f[3] < X##_f[3] || 				\
-	    (T##_f[3] == X##_f[3] && (T##_f[2] < X##_f[2] ||	\
-	     (T##_f[2] == X##_f[2] && T##_f[1] <= X##_f[1]))))	\
-	  {							\
-	    S##_f[1] = T##_f[1] + q;				\
-	    S##_f[2] += (T##_f[1] > S##_f[1]);			\
-	    S##_f[3] += (T##_f[2] > S##_f[2]);			\
-	    __FP_FRAC_DEC_3(X##_f[3], X##_f[2], X##_f[1],	\
-	    		    T##_f[3], T##_f[2], T##_f[1]);	\
-	    R##_f[1] += q;					\
-	  }							\
-	_FP_FRAC_SLL_4(X, 1);					\
-	q >>= 1;						\
-      }								\
-    q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1);			\
-    while (q != _FP_WORK_ROUND)					\
-      {								\
-	T##_f[0] = S##_f[0] + q;				\
-	T##_f[1] = S##_f[1];					\
-	T##_f[2] = S##_f[2];					\
-	T##_f[3] = S##_f[3];					\
-	if (_FP_FRAC_GE_4(X,T))					\
-	  {							\
-	    S##_f[0] = T##_f[0] + q;				\
-	    S##_f[1] += (T##_f[0] > S##_f[0]);			\
-	    S##_f[2] += (T##_f[1] > S##_f[1]);			\
-	    S##_f[3] += (T##_f[2] > S##_f[2]);			\
-	    _FP_FRAC_DEC_4(X, T);				\
-	    R##_f[0] += q;					\
-	  }							\
-	_FP_FRAC_SLL_4(X, 1);					\
-	q >>= 1;						\
-      }								\
-    if (!_FP_FRAC_ZEROP_4(X))					\
-      {								\
-	if (_FP_FRAC_GT_4(X,S))					\
-	  R##_f[0] |= _FP_WORK_ROUND;				\
-	R##_f[0] |= _FP_WORK_STICKY;				\
-      }								\
-  } while (0)
-
-
-/*
- * Internals 
- */
-
-#define __FP_FRAC_SET_4(X,I3,I2,I1,I0)					\
-  (X##_f[3] = I3, X##_f[2] = I2, X##_f[1] = I1, X##_f[0] = I0)
-
-#ifndef __FP_FRAC_ADD_3
-#define __FP_FRAC_ADD_3(r2,r1,r0,x2,x1,x0,y2,y1,y0)		\
-  do {								\
-    int _c1, _c2;							\
-    r0 = x0 + y0;						\
-    _c1 = r0 < x0;						\
-    r1 = x1 + y1;						\
-    _c2 = r1 < x1;						\
-    r1 += _c1;							\
-    _c2 |= r1 < _c1;						\
-    r2 = x2 + y2 + _c2;						\
-  } while (0)
-#endif
-
-#ifndef __FP_FRAC_ADD_4
-#define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0)	\
-  do {								\
-    int _c1, _c2, _c3;						\
-    r0 = x0 + y0;						\
-    _c1 = r0 < x0;						\
-    r1 = x1 + y1;						\
-    _c2 = r1 < x1;						\
-    r1 += _c1;							\
-    _c2 |= r1 < _c1;						\
-    r2 = x2 + y2;						\
-    _c3 = r2 < x2;						\
-    r2 += _c2;							\
-    _c3 |= r2 < _c2;						\
-    r3 = x3 + y3 + _c3;						\
-  } while (0)
-#endif
-
-#ifndef __FP_FRAC_SUB_3
-#define __FP_FRAC_SUB_3(r2,r1,r0,x2,x1,x0,y2,y1,y0)		\
-  do {								\
-    int _c1, _c2;							\
-    r0 = x0 - y0;						\
-    _c1 = r0 > x0;						\
-    r1 = x1 - y1;						\
-    _c2 = r1 > x1;						\
-    r1 -= _c1;							\
-    _c2 |= r1 > _c1;						\
-    r2 = x2 - y2 - _c2;						\
-  } while (0)
-#endif
-
-#ifndef __FP_FRAC_SUB_4
-#define __FP_FRAC_SUB_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0)	\
-  do {								\
-    int _c1, _c2, _c3;						\
-    r0 = x0 - y0;						\
-    _c1 = r0 > x0;						\
-    r1 = x1 - y1;						\
-    _c2 = r1 > x1;						\
-    r1 -= _c1;							\
-    _c2 |= r1 > _c1;						\
-    r2 = x2 - y2;						\
-    _c3 = r2 > x2;						\
-    r2 -= _c2;							\
-    _c3 |= r2 > _c2;						\
-    r3 = x3 - y3 - _c3;						\
-  } while (0)
-#endif
-
-#ifndef __FP_FRAC_DEC_3
-#define __FP_FRAC_DEC_3(x2,x1,x0,y2,y1,y0)				\
-  do {									\
-    UWtype _t0, _t1, _t2;						\
-    _t0 = x0, _t1 = x1, _t2 = x2;					\
-    __FP_FRAC_SUB_3 (x2, x1, x0, _t2, _t1, _t0, y2, y1, y0);		\
-  } while (0)
-#endif
-
-#ifndef __FP_FRAC_DEC_4
-#define __FP_FRAC_DEC_4(x3,x2,x1,x0,y3,y2,y1,y0)			\
-  do {									\
-    UWtype _t0, _t1, _t2, _t3;						\
-    _t0 = x0, _t1 = x1, _t2 = x2, _t3 = x3;				\
-    __FP_FRAC_SUB_4 (x3,x2,x1,x0,_t3,_t2,_t1,_t0, y3,y2,y1,y0);		\
-  } while (0)
-#endif
-
-#ifndef __FP_FRAC_ADDI_4
-#define __FP_FRAC_ADDI_4(x3,x2,x1,x0,i)					\
-  do {									\
-    UWtype _t;								\
-    _t = ((x0 += i) < i);						\
-    x1 += _t; _t = (x1 < _t);						\
-    x2 += _t; _t = (x2 < _t);						\
-    x3 += _t;								\
-  } while (0)
-#endif
-
-/* Convert FP values between word sizes. This appears to be more
- * complicated than I'd have expected it to be, so these might be
- * wrong... These macros are in any case somewhat bogus because they
- * use information about what various FRAC_n variables look like 
- * internally [eg, that 2 word vars are X_f0 and x_f1]. But so do
- * the ones in op-2.h and op-1.h. 
- */
-#define _FP_FRAC_CONV_1_4(dfs, sfs, D, S)				\
-   do {									\
-     if (S##_c != FP_CLS_NAN)						\
-       _FP_FRAC_SRS_4(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs),	\
-			  _FP_WFRACBITS_##sfs);				\
-     else								\
-       _FP_FRAC_SRL_4(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs));	\
-     D##_f = S##_f[0];							\
-  } while (0)
-
-#define _FP_FRAC_CONV_2_4(dfs, sfs, D, S)				\
-   do {									\
-     if (S##_c != FP_CLS_NAN)						\
-       _FP_FRAC_SRS_4(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs),	\
-		      _FP_WFRACBITS_##sfs);				\
-     else								\
-       _FP_FRAC_SRL_4(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs));	\
-     D##_f0 = S##_f[0];							\
-     D##_f1 = S##_f[1];							\
-  } while (0)
-
-/* Assembly/disassembly for converting to/from integral types.  
- * No shifting or overflow handled here.
- */
-/* Put the FP value X into r, which is an integer of size rsize. */
-#define _FP_FRAC_ASSEMBLE_4(r, X, rsize)				\
-  do {									\
-    if (rsize <= _FP_W_TYPE_SIZE)					\
-      r = X##_f[0];							\
-    else if (rsize <= 2*_FP_W_TYPE_SIZE)				\
-    {									\
-      r = X##_f[1];							\
-      r <<= _FP_W_TYPE_SIZE;						\
-      r += X##_f[0];							\
-    }									\
-    else								\
-    {									\
-      /* I'm feeling lazy so we deal with int == 3words (implausible)*/	\
-      /* and int == 4words as a single case.			 */	\
-      r = X##_f[3];							\
-      r <<= _FP_W_TYPE_SIZE;						\
-      r += X##_f[2];							\
-      r <<= _FP_W_TYPE_SIZE;						\
-      r += X##_f[1];							\
-      r <<= _FP_W_TYPE_SIZE;						\
-      r += X##_f[0];							\
-    }									\
-  } while (0)
-
-/* "No disassemble Number Five!" */
-/* move an integer of size rsize into X's fractional part. We rely on
- * the _f[] array consisting of words of size _FP_W_TYPE_SIZE to avoid
- * having to mask the values we store into it.
- */
-#define _FP_FRAC_DISASSEMBLE_4(X, r, rsize)				\
-  do {									\
-    X##_f[0] = r;							\
-    X##_f[1] = (rsize <= _FP_W_TYPE_SIZE ? 0 : r >> _FP_W_TYPE_SIZE);	\
-    X##_f[2] = (rsize <= 2*_FP_W_TYPE_SIZE ? 0 : r >> 2*_FP_W_TYPE_SIZE); \
-    X##_f[3] = (rsize <= 3*_FP_W_TYPE_SIZE ? 0 : r >> 3*_FP_W_TYPE_SIZE); \
-  } while (0)
-
-#define _FP_FRAC_CONV_4_1(dfs, sfs, D, S)				\
-   do {									\
-     D##_f[0] = S##_f;							\
-     D##_f[1] = D##_f[2] = D##_f[3] = 0;				\
-     _FP_FRAC_SLL_4(D, (_FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs));	\
-   } while (0)
-
-#define _FP_FRAC_CONV_4_2(dfs, sfs, D, S)				\
-   do {									\
-     D##_f[0] = S##_f0;							\
-     D##_f[1] = S##_f1;							\
-     D##_f[2] = D##_f[3] = 0;						\
-     _FP_FRAC_SLL_4(D, (_FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs));	\
-   } while (0)
-
-#endif
diff --git a/include/math-emu-old/op-8.h b/include/math-emu-old/op-8.h
deleted file mode 100644
index 8b8c05e..0000000
--- a/include/math-emu-old/op-8.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/* Software floating-point emulation.
-   Basic eight-word fraction declaration and manipulation.
-   Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@cygnus.com),
-		  Jakub Jelinek (jj@ultra.linux.cz) and
-		  Peter Maydell (pmaydell@chiark.greenend.org.uk).
-                                                         
-   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_EMU_OP_8_H__
-#define __MATH_EMU_OP_8_H__
-
-/* We need just a few things from here for op-4, if we ever need some
-   other macros, they can be added. */
-#define _FP_FRAC_DECL_8(X)	_FP_W_TYPE X##_f[8]
-#define _FP_FRAC_HIGH_8(X)	(X##_f[7])
-#define _FP_FRAC_LOW_8(X)	(X##_f[0])
-#define _FP_FRAC_WORD_8(X,w)	(X##_f[w])
-
-#define _FP_FRAC_SLL_8(X,N)						\
-  do {									\
-    _FP_I_TYPE _up, _down, _skip, _i;					\
-    _skip = (N) / _FP_W_TYPE_SIZE;					\
-    _up = (N) % _FP_W_TYPE_SIZE;					\
-    _down = _FP_W_TYPE_SIZE - _up;					\
-    if (!_up)								\
-      for (_i = 7; _i >= _skip; --_i)					\
-	X##_f[_i] = X##_f[_i-_skip];					\
-    else								\
-      {									\
-	for (_i = 7; _i > _skip; --_i)					\
-	  X##_f[_i] = X##_f[_i-_skip] << _up				\
-		      | X##_f[_i-_skip-1] >> _down;			\
-	X##_f[_i--] = X##_f[0] << _up; 					\
-      }									\
-    for (; _i >= 0; --_i)						\
-      X##_f[_i] = 0;							\
-  } while (0)
-
-#define _FP_FRAC_SRL_8(X,N)						\
-  do {									\
-    _FP_I_TYPE _up, _down, _skip, _i;					\
-    _skip = (N) / _FP_W_TYPE_SIZE;					\
-    _down = (N) % _FP_W_TYPE_SIZE;					\
-    _up = _FP_W_TYPE_SIZE - _down;					\
-    if (!_down)								\
-      for (_i = 0; _i <= 7-_skip; ++_i)					\
-	X##_f[_i] = X##_f[_i+_skip];					\
-    else								\
-      {									\
-	for (_i = 0; _i < 7-_skip; ++_i)				\
-	  X##_f[_i] = X##_f[_i+_skip] >> _down				\
-		      | X##_f[_i+_skip+1] << _up;			\
-	X##_f[_i++] = X##_f[7] >> _down;				\
-      }									\
-    for (; _i < 8; ++_i)						\
-      X##_f[_i] = 0;							\
-  } while (0)
-
-
-/* Right shift with sticky-lsb. 
- * What this actually means is that we do a standard right-shift,
- * but that if any of the bits that fall off the right hand side
- * were one then we always set the LSbit.
- */
-#define _FP_FRAC_SRS_8(X,N,size)					\
-  do {									\
-    _FP_I_TYPE _up, _down, _skip, _i;					\
-    _FP_W_TYPE _s;							\
-    _skip = (N) / _FP_W_TYPE_SIZE;					\
-    _down = (N) % _FP_W_TYPE_SIZE;					\
-    _up = _FP_W_TYPE_SIZE - _down;					\
-    for (_s = _i = 0; _i < _skip; ++_i)					\
-      _s |= X##_f[_i];							\
-    _s |= X##_f[_i] << _up;						\
-/* s is now != 0 if we want to set the LSbit */				\
-    if (!_down)								\
-      for (_i = 0; _i <= 7-_skip; ++_i)					\
-	X##_f[_i] = X##_f[_i+_skip];					\
-    else								\
-      {									\
-	for (_i = 0; _i < 7-_skip; ++_i)				\
-	  X##_f[_i] = X##_f[_i+_skip] >> _down				\
-		      | X##_f[_i+_skip+1] << _up;			\
-	X##_f[_i++] = X##_f[7] >> _down;				\
-      }									\
-    for (; _i < 8; ++_i)						\
-      X##_f[_i] = 0;							\
-    /* don't fix the LSB until the very end when we're sure f[0] is stable */	\
-    X##_f[0] |= (_s != 0);						\
-  } while (0)
-
-#endif
diff --git a/include/math-emu-old/op-common.h b/include/math-emu-old/op-common.h
deleted file mode 100644
index 6bdf8c6..0000000
--- a/include/math-emu-old/op-common.h
+++ /dev/null
@@ -1,876 +0,0 @@
-/* Software floating-point emulation. Common operations.
-   Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@cygnus.com),
-		  Jakub Jelinek (jj@ultra.linux.cz),
-		  David S. Miller (davem@redhat.com) and
-		  Peter Maydell (pmaydell@chiark.greenend.org.uk).
-
-   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_EMU_OP_COMMON_H__
-#define __MATH_EMU_OP_COMMON_H__
-
-#define _FP_DECL(wc, X)			\
-  _FP_I_TYPE X##_c=0, X##_s=0, X##_e=0;	\
-  _FP_FRAC_DECL_##wc(X)
-
-/*
- * Finish truly unpacking a native fp value by classifying the kind
- * of fp value and normalizing both the exponent and the fraction.
- */
-
-#define _FP_UNPACK_CANONICAL(fs, wc, X)					\
-do {									\
-  switch (X##_e)							\
-  {									\
-  default:								\
-    _FP_FRAC_HIGH_RAW_##fs(X) |= _FP_IMPLBIT_##fs;			\
-    _FP_FRAC_SLL_##wc(X, _FP_WORKBITS);					\
-    X##_e -= _FP_EXPBIAS_##fs;						\
-    X##_c = FP_CLS_NORMAL;						\
-    break;								\
-									\
-  case 0:								\
-    if (_FP_FRAC_ZEROP_##wc(X))						\
-      X##_c = FP_CLS_ZERO;						\
-    else								\
-      {									\
-	/* a denormalized number */					\
-	_FP_I_TYPE _shift;						\
-	_FP_FRAC_CLZ_##wc(_shift, X);					\
-	_shift -= _FP_FRACXBITS_##fs;					\
-	_FP_FRAC_SLL_##wc(X, (_shift+_FP_WORKBITS));			\
-	X##_e -= _FP_EXPBIAS_##fs - 1 + _shift;				\
-	X##_c = FP_CLS_NORMAL;						\
-	FP_SET_EXCEPTION(FP_EX_DENORM);					\
-	if (FP_DENORM_ZERO)						\
-	  {								\
-	    FP_SET_EXCEPTION(FP_EX_INEXACT);				\
-	    X##_c = FP_CLS_ZERO;					\
-	  }								\
-      }									\
-    break;								\
-									\
-  case _FP_EXPMAX_##fs:							\
-    if (_FP_FRAC_ZEROP_##wc(X))						\
-      X##_c = FP_CLS_INF;						\
-    else								\
-      {									\
-	X##_c = FP_CLS_NAN;						\
-	/* Check for signaling NaN */					\
-	if (!(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs))		\
-	  FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_SNAN);		\
-      }									\
-    break;								\
-  }									\
-} while (0)
-
-/*
- * Before packing the bits back into the native fp result, take care
- * of such mundane things as rounding and overflow.  Also, for some
- * kinds of fp values, the original parts may not have been fully
- * extracted -- but that is ok, we can regenerate them now.
- */
-
-#define _FP_PACK_CANONICAL(fs, wc, X)				\
-do {								\
-  switch (X##_c)						\
-  {								\
-  case FP_CLS_NORMAL:						\
-    X##_e += _FP_EXPBIAS_##fs;					\
-    if (X##_e > 0)						\
-      {								\
-	_FP_ROUND(wc, X);					\
-	if (_FP_FRAC_OVERP_##wc(fs, X))				\
-	  {							\
-	    _FP_FRAC_CLEAR_OVERP_##wc(fs, X);			\
-	    X##_e++;						\
-	  }							\
-	_FP_FRAC_SRL_##wc(X, _FP_WORKBITS);			\
-	if (X##_e >= _FP_EXPMAX_##fs)				\
-	  {							\
-	    /* overflow */					\
-	    switch (FP_ROUNDMODE)				\
-	      {							\
-	      case FP_RND_NEAREST:				\
-		X##_c = FP_CLS_INF;				\
-		break;						\
-	      case FP_RND_PINF:					\
-		if (!X##_s) X##_c = FP_CLS_INF;			\
-		break;						\
-	      case FP_RND_MINF:					\
-		if (X##_s) X##_c = FP_CLS_INF;			\
-		break;						\
-	      }							\
-	    if (X##_c == FP_CLS_INF)				\
-	      {							\
-		/* Overflow to infinity */			\
-		X##_e = _FP_EXPMAX_##fs;			\
-		_FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc);	\
-	      }							\
-	    else						\
-	      {							\
-		/* Overflow to maximum normal */		\
-		X##_e = _FP_EXPMAX_##fs - 1;			\
-		_FP_FRAC_SET_##wc(X, _FP_MAXFRAC_##wc);		\
-	      }							\
-	    FP_SET_EXCEPTION(FP_EX_OVERFLOW);			\
-            FP_SET_EXCEPTION(FP_EX_INEXACT);			\
-	  }							\
-      }								\
-    else							\
-      {								\
-	/* we've got a denormalized number */			\
-	X##_e = -X##_e + 1;					\
-	if (X##_e <= _FP_WFRACBITS_##fs)			\
-	  {							\
-	    _FP_FRAC_SRS_##wc(X, X##_e, _FP_WFRACBITS_##fs);	\
-	    if (_FP_FRAC_HIGH_##fs(X)				\
-		& (_FP_OVERFLOW_##fs >> 1))			\
-	      {							\
-	        X##_e = 1;					\
-	        _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc);	\
-	      }							\
-	    else						\
-	      {							\
-		_FP_ROUND(wc, X);				\
-		if (_FP_FRAC_HIGH_##fs(X)			\
-		   & (_FP_OVERFLOW_##fs >> 1))			\
-		  {						\
-		    X##_e = 1;					\
-		    _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc);	\
-		    FP_SET_EXCEPTION(FP_EX_INEXACT);		\
-		  }						\
-		else						\
-		  {						\
-		    X##_e = 0;					\
-		    _FP_FRAC_SRL_##wc(X, _FP_WORKBITS);		\
-		  }						\
-	      }							\
-	    if ((FP_CUR_EXCEPTIONS & FP_EX_INEXACT) ||		\
-		(FP_TRAPPING_EXCEPTIONS & FP_EX_UNDERFLOW))	\
-		FP_SET_EXCEPTION(FP_EX_UNDERFLOW);		\
-	  }							\
-	else							\
-	  {							\
-	    /* underflow to zero */				\
-	    X##_e = 0;						\
-	    if (!_FP_FRAC_ZEROP_##wc(X))			\
-	      {							\
-	        _FP_FRAC_SET_##wc(X, _FP_MINFRAC_##wc);		\
-	        _FP_ROUND(wc, X);				\
-	        _FP_FRAC_LOW_##wc(X) >>= (_FP_WORKBITS);	\
-	      }							\
-	    FP_SET_EXCEPTION(FP_EX_UNDERFLOW);			\
-	  }							\
-      }								\
-    break;							\
-								\
-  case FP_CLS_ZERO:						\
-    X##_e = 0;							\
-    _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc);			\
-    break;							\
-								\
-  case FP_CLS_INF:						\
-    X##_e = _FP_EXPMAX_##fs;					\
-    _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc);			\
-    break;							\
-								\
-  case FP_CLS_NAN:						\
-    X##_e = _FP_EXPMAX_##fs;					\
-    if (!_FP_KEEPNANFRACP)					\
-      {								\
-	_FP_FRAC_SET_##wc(X, _FP_NANFRAC_##fs);			\
-	X##_s = _FP_NANSIGN_##fs;				\
-      }								\
-    else							\
-      _FP_FRAC_HIGH_RAW_##fs(X) |= _FP_QNANBIT_##fs;		\
-    break;							\
-  }								\
-} while (0)
-
-/* This one accepts raw argument and not cooked,  returns
- * 1 if X is a signaling NaN.
- */
-#define _FP_ISSIGNAN(fs, wc, X)					\
-({								\
-  int __ret = 0;						\
-  if (X##_e == _FP_EXPMAX_##fs)					\
-    {								\
-      if (!_FP_FRAC_ZEROP_##wc(X)				\
-	  && !(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs))	\
-	__ret = 1;						\
-    }								\
-  __ret;							\
-})
-
-
-
-
-
-/*
- * Main addition routine.  The input values should be cooked.
- */
-
-#define _FP_ADD_INTERNAL(fs, wc, R, X, Y, OP)				     \
-do {									     \
-  switch (_FP_CLS_COMBINE(X##_c, Y##_c))				     \
-  {									     \
-  case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NORMAL):			     \
-    {									     \
-      /* shift the smaller number so that its exponent matches the larger */ \
-      _FP_I_TYPE diff = X##_e - Y##_e;					     \
-									     \
-      if (diff < 0)							     \
-	{								     \
-	  diff = -diff;							     \
-	  if (diff <= _FP_WFRACBITS_##fs)				     \
-	    _FP_FRAC_SRS_##wc(X, diff, _FP_WFRACBITS_##fs);		     \
-	  else if (!_FP_FRAC_ZEROP_##wc(X))				     \
-	    _FP_FRAC_SET_##wc(X, _FP_MINFRAC_##wc);			     \
-	  R##_e = Y##_e;						     \
-	}								     \
-      else								     \
-	{								     \
-	  if (diff > 0)							     \
-	    {								     \
-	      if (diff <= _FP_WFRACBITS_##fs)				     \
-	        _FP_FRAC_SRS_##wc(Y, diff, _FP_WFRACBITS_##fs);		     \
-	      else if (!_FP_FRAC_ZEROP_##wc(Y))				     \
-	        _FP_FRAC_SET_##wc(Y, _FP_MINFRAC_##wc);			     \
-	    }								     \
-	  R##_e = X##_e;						     \
-	}								     \
-									     \
-      R##_c = FP_CLS_NORMAL;						     \
-									     \
-      if (X##_s == Y##_s)						     \
-	{								     \
-	  R##_s = X##_s;						     \
-	  _FP_FRAC_ADD_##wc(R, X, Y);					     \
-	  if (_FP_FRAC_OVERP_##wc(fs, R))				     \
-	    {								     \
-	      _FP_FRAC_SRS_##wc(R, 1, _FP_WFRACBITS_##fs);		     \
-	      R##_e++;							     \
-	    }								     \
-	}								     \
-      else								     \
-	{								     \
-	  R##_s = X##_s;						     \
-	  _FP_FRAC_SUB_##wc(R, X, Y);					     \
-	  if (_FP_FRAC_ZEROP_##wc(R))					     \
-	    {								     \
-	      /* return an exact zero */				     \
-	      if (FP_ROUNDMODE == FP_RND_MINF)				     \
-		R##_s |= Y##_s;						     \
-	      else							     \
-		R##_s &= Y##_s;						     \
-	      R##_c = FP_CLS_ZERO;					     \
-	    }								     \
-	  else								     \
-	    {								     \
-	      if (_FP_FRAC_NEGP_##wc(R))				     \
-		{							     \
-		  _FP_FRAC_SUB_##wc(R, Y, X);				     \
-		  R##_s = Y##_s;					     \
-		}							     \
-									     \
-	      /* renormalize after subtraction */			     \
-	      _FP_FRAC_CLZ_##wc(diff, R);				     \
-	      diff -= _FP_WFRACXBITS_##fs;				     \
-	      if (diff)							     \
-		{							     \
-		  R##_e -= diff;					     \
-		  _FP_FRAC_SLL_##wc(R, diff);				     \
-		}							     \
-	    }								     \
-	}								     \
-      break;								     \
-    }									     \
-									     \
-  case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NAN):				     \
-    _FP_CHOOSENAN(fs, wc, R, X, Y, OP);					     \
-    break;								     \
-									     \
-  case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO):			     \
-    R##_e = X##_e;							     \
-  case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL):			     \
-  case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF):				     \
-  case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO):				     \
-    _FP_FRAC_COPY_##wc(R, X);						     \
-    R##_s = X##_s;							     \
-    R##_c = X##_c;							     \
-    break;								     \
-									     \
-  case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL):			     \
-    R##_e = Y##_e;							     \
-  case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NAN):			     \
-  case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN):				     \
-  case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN):				     \
-    _FP_FRAC_COPY_##wc(R, Y);						     \
-    R##_s = Y##_s;							     \
-    R##_c = Y##_c;							     \
-    break;								     \
-									     \
-  case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF):				     \
-    if (X##_s != Y##_s)							     \
-      {									     \
-	/* +INF + -INF => NAN */					     \
-	_FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs);				     \
-	R##_s = _FP_NANSIGN_##fs;					     \
-	R##_c = FP_CLS_NAN;						     \
-	FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_ISI);		     \
-	break;								     \
-      }									     \
-    /* FALLTHRU */							     \
-									     \
-  case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL):			     \
-  case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO):				     \
-    R##_s = X##_s;							     \
-    R##_c = FP_CLS_INF;							     \
-    break;								     \
-									     \
-  case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_INF):			     \
-  case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_INF):				     \
-    R##_s = Y##_s;							     \
-    R##_c = FP_CLS_INF;							     \
-    break;								     \
-									     \
-  case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO):			     \
-    /* make sure the sign is correct */					     \
-    if (FP_ROUNDMODE == FP_RND_MINF)					     \
-      R##_s = X##_s | Y##_s;						     \
-    else								     \
-      R##_s = X##_s & Y##_s;						     \
-    R##_c = FP_CLS_ZERO;						     \
-    break;								     \
-									     \
-  default:								     \
-    abort();								     \
-  }									     \
-} while (0)
-
-#define _FP_ADD(fs, wc, R, X, Y) _FP_ADD_INTERNAL(fs, wc, R, X, Y, '+')
-#define _FP_SUB(fs, wc, R, X, Y)					     \
-  do {									     \
-    if (Y##_c != FP_CLS_NAN) Y##_s ^= 1;				     \
-    _FP_ADD_INTERNAL(fs, wc, R, X, Y, '-');				     \
-  } while (0)
-
-
-/*
- * Main negation routine.  FIXME -- when we care about setting exception
- * bits reliably, this will not do.  We should examine all of the fp classes.
- */
-
-#define _FP_NEG(fs, wc, R, X)		\
-  do {					\
-    _FP_FRAC_COPY_##wc(R, X);		\
-    R##_c = X##_c;			\
-    R##_e = X##_e;			\
-    R##_s = 1 ^ X##_s;			\
-  } while (0)
-
-
-/*
- * Main multiplication routine.  The input values should be cooked.
- */
-
-#define _FP_MUL(fs, wc, R, X, Y)			\
-do {							\
-  R##_s = X##_s ^ Y##_s;				\
-  switch (_FP_CLS_COMBINE(X##_c, Y##_c))		\
-  {							\
-  case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NORMAL):	\
-    R##_c = FP_CLS_NORMAL;				\
-    R##_e = X##_e + Y##_e + 1;				\
-							\
-    _FP_MUL_MEAT_##fs(R,X,Y);				\
-							\
-    if (_FP_FRAC_OVERP_##wc(fs, R))			\
-      _FP_FRAC_SRS_##wc(R, 1, _FP_WFRACBITS_##fs);	\
-    else						\
-      R##_e--;						\
-    break;						\
-							\
-  case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NAN):		\
-    _FP_CHOOSENAN(fs, wc, R, X, Y, '*');		\
-    break;						\
-							\
-  case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL):	\
-  case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF):		\
-  case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO):		\
-    R##_s = X##_s;					\
-							\
-  case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF):		\
-  case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL):	\
-  case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL):	\
-  case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO):	\
-    _FP_FRAC_COPY_##wc(R, X);				\
-    R##_c = X##_c;					\
-    break;						\
-							\
-  case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NAN):	\
-  case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN):		\
-  case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN):		\
-    R##_s = Y##_s;					\
-							\
-  case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_INF):	\
-  case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO):	\
-    _FP_FRAC_COPY_##wc(R, Y);				\
-    R##_c = Y##_c;					\
-    break;						\
-							\
-  case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO):		\
-  case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_INF):		\
-    R##_s = _FP_NANSIGN_##fs;				\
-    R##_c = FP_CLS_NAN;					\
-    _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs);		\
-    FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_IMZ);\
-    break;						\
-							\
-  default:						\
-    abort();						\
-  }							\
-} while (0)
-
-
-/*
- * Main division routine.  The input values should be cooked.
- */
-
-#define _FP_DIV(fs, wc, R, X, Y)			\
-do {							\
-  R##_s = X##_s ^ Y##_s;				\
-  switch (_FP_CLS_COMBINE(X##_c, Y##_c))		\
-  {							\
-  case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NORMAL):	\
-    R##_c = FP_CLS_NORMAL;				\
-    R##_e = X##_e - Y##_e;				\
-							\
-    _FP_DIV_MEAT_##fs(R,X,Y);				\
-    break;						\
-							\
-  case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NAN):		\
-    _FP_CHOOSENAN(fs, wc, R, X, Y, '/');		\
-    break;						\
-							\
-  case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL):	\
-  case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF):		\
-  case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO):		\
-    R##_s = X##_s;					\
-    _FP_FRAC_COPY_##wc(R, X);				\
-    R##_c = X##_c;					\
-    break;						\
-							\
-  case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NAN):	\
-  case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN):		\
-  case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN):		\
-    R##_s = Y##_s;					\
-    _FP_FRAC_COPY_##wc(R, Y);				\
-    R##_c = Y##_c;					\
-    break;						\
-							\
-  case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_INF):	\
-  case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_INF):		\
-  case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL):	\
-    R##_c = FP_CLS_ZERO;				\
-    break;						\
-							\
-  case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO):	\
-    FP_SET_EXCEPTION(FP_EX_DIVZERO);			\
-  case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO):		\
-  case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL):	\
-    R##_c = FP_CLS_INF;					\
-    break;						\
-							\
-  case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF):		\
-    R##_s = _FP_NANSIGN_##fs;				\
-    R##_c = FP_CLS_NAN;					\
-    _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs);		\
-    FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_IDI);\
-    break;						\
-							\
-  case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO):	\
-    R##_s = _FP_NANSIGN_##fs;				\
-    R##_c = FP_CLS_NAN;					\
-    _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs);		\
-    FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_ZDZ);\
-    break;						\
-							\
-  default:						\
-    abort();						\
-  }							\
-} while (0)
-
-
-/*
- * Main differential comparison routine.  The inputs should be raw not
- * cooked.  The return is -1,0,1 for normal values, 2 otherwise.
- */
-
-#define _FP_CMP(fs, wc, ret, X, Y, un)					\
-  do {									\
-    /* NANs are unordered */						\
-    if ((X##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(X))		\
-	|| (Y##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(Y)))	\
-      {									\
-	ret = un;							\
-      }									\
-    else								\
-      {									\
-	int __is_zero_x;						\
-	int __is_zero_y;						\
-									\
-	__is_zero_x = (!X##_e && _FP_FRAC_ZEROP_##wc(X)) ? 1 : 0;	\
-	__is_zero_y = (!Y##_e && _FP_FRAC_ZEROP_##wc(Y)) ? 1 : 0;	\
-									\
-	if (__is_zero_x && __is_zero_y)					\
-		ret = 0;						\
-	else if (__is_zero_x)						\
-		ret = Y##_s ? 1 : -1;					\
-	else if (__is_zero_y)						\
-		ret = X##_s ? -1 : 1;					\
-	else if (X##_s != Y##_s)					\
-	  ret = X##_s ? -1 : 1;						\
-	else if (X##_e > Y##_e)						\
-	  ret = X##_s ? -1 : 1;						\
-	else if (X##_e < Y##_e)						\
-	  ret = X##_s ? 1 : -1;						\
-	else if (_FP_FRAC_GT_##wc(X, Y))				\
-	  ret = X##_s ? -1 : 1;						\
-	else if (_FP_FRAC_GT_##wc(Y, X))				\
-	  ret = X##_s ? 1 : -1;						\
-	else								\
-	  ret = 0;							\
-      }									\
-  } while (0)
-
-
-/* Simplification for strict equality.  */
-
-#define _FP_CMP_EQ(fs, wc, ret, X, Y)					  \
-  do {									  \
-    /* NANs are unordered */						  \
-    if ((X##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(X))		  \
-	|| (Y##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(Y)))	  \
-      {									  \
-	ret = 1;							  \
-      }									  \
-    else								  \
-      {									  \
-	ret = !(X##_e == Y##_e						  \
-		&& _FP_FRAC_EQ_##wc(X, Y)				  \
-		&& (X##_s == Y##_s || !X##_e && _FP_FRAC_ZEROP_##wc(X))); \
-      }									  \
-  } while (0)
-
-/*
- * Main square root routine.  The input value should be cooked.
- */
-
-#define _FP_SQRT(fs, wc, R, X)						\
-do {									\
-    _FP_FRAC_DECL_##wc(T); _FP_FRAC_DECL_##wc(S);			\
-    _FP_W_TYPE q;							\
-    switch (X##_c)							\
-    {									\
-    case FP_CLS_NAN:							\
-	_FP_FRAC_COPY_##wc(R, X);					\
-	R##_s = X##_s;							\
-    	R##_c = FP_CLS_NAN;						\
-    	break;								\
-    case FP_CLS_INF:							\
-    	if (X##_s)							\
-    	  {								\
-    	    R##_s = _FP_NANSIGN_##fs;					\
-	    R##_c = FP_CLS_NAN; /* NAN */				\
-	    _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs);			\
-	    FP_SET_EXCEPTION(FP_EX_INVALID);				\
-    	  }								\
-    	else								\
-    	  {								\
-    	    R##_s = 0;							\
-    	    R##_c = FP_CLS_INF; /* sqrt(+inf) = +inf */			\
-    	  }								\
-    	break;								\
-    case FP_CLS_ZERO:							\
-	R##_s = X##_s;							\
-	R##_c = FP_CLS_ZERO; /* sqrt(+-0) = +-0 */			\
-	break;								\
-    case FP_CLS_NORMAL:							\
-    	R##_s = 0;							\
-        if (X##_s)							\
-          {								\
-	    R##_c = FP_CLS_NAN; /* sNAN */				\
-	    R##_s = _FP_NANSIGN_##fs;					\
-	    _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs);			\
-	    FP_SET_EXCEPTION(FP_EX_INVALID);				\
-	    break;							\
-          }								\
-    	R##_c = FP_CLS_NORMAL;						\
-        if (X##_e & 1)							\
-          _FP_FRAC_SLL_##wc(X, 1);					\
-        R##_e = X##_e >> 1;						\
-        _FP_FRAC_SET_##wc(S, _FP_ZEROFRAC_##wc);			\
-        _FP_FRAC_SET_##wc(R, _FP_ZEROFRAC_##wc);			\
-        q = _FP_OVERFLOW_##fs >> 1;					\
-        _FP_SQRT_MEAT_##wc(R, S, T, X, q);				\
-    }									\
-  } while (0)
-
-/*
- * Convert from FP to integer
- */
-
-/* RSIGNED can have following values:
- * 0:  the number is required to be 0..(2^rsize)-1, if not, NV is set plus
- *     the result is either 0 or (2^rsize)-1 depending on the sign in such case.
- * 1:  the number is required to be -(2^(rsize-1))..(2^(rsize-1))-1, if not, NV is
- *     set plus the result is either -(2^(rsize-1)) or (2^(rsize-1))-1 depending
- *     on the sign in such case.
- * 2:  the number is required to be -(2^(rsize-1))..(2^(rsize-1))-1, if not, NV is
- *     set plus the result is truncated to fit into destination.
- * -1: the number is required to be -(2^(rsize-1))..(2^rsize)-1, if not, NV is
- *     set plus the result is either -(2^(rsize-1)) or (2^(rsize-1))-1 depending
- *     on the sign in such case.
- */
-#define _FP_TO_INT(fs, wc, r, X, rsize, rsigned)				\
-  do {										\
-    switch (X##_c)								\
-      {										\
-      case FP_CLS_NORMAL:							\
-	if (X##_e < 0)								\
-	  {									\
-	    FP_SET_EXCEPTION(FP_EX_INEXACT);					\
-	  case FP_CLS_ZERO:							\
-	    r = 0;								\
-	  }									\
-	else if (X##_e >= rsize - (rsigned > 0 || X##_s)			\
-		 || (!rsigned && X##_s))					\
-	  {	/* overflow */							\
-	  case FP_CLS_NAN:                                                      \
-	  case FP_CLS_INF:							\
-	    if (rsigned == 2)							\
-	      {									\
-		if (X##_c != FP_CLS_NORMAL					\
-		    || X##_e >= rsize - 1 + _FP_WFRACBITS_##fs)			\
-		  r = 0;							\
-		else								\
-		  {								\
-		    _FP_FRAC_SLL_##wc(X, (X##_e - _FP_WFRACBITS_##fs + 1));	\
-		    _FP_FRAC_ASSEMBLE_##wc(r, X, rsize);			\
-		  }								\
-	      }									\
-	    else if (rsigned)							\
-	      {									\
-		r = 1;								\
-		r <<= rsize - 1;						\
-		r -= 1 - X##_s;							\
-	      }									\
-	    else								\
-	      {									\
-		r = 0;								\
-		if (!X##_s)							\
-		  r = ~r;							\
-	      }									\
-	    FP_SET_EXCEPTION(FP_EX_INVALID);					\
-	  }									\
-	else									\
-	  {									\
-	    if (_FP_W_TYPE_SIZE*wc < rsize)					\
-	      {									\
-		_FP_FRAC_ASSEMBLE_##wc(r, X, rsize);				\
-		r <<= X##_e - _FP_WFRACBITS_##fs;				\
-	      }									\
-	    else								\
-	      {									\
-		if (X##_e >= _FP_WFRACBITS_##fs)				\
-		  _FP_FRAC_SLL_##wc(X, (X##_e - _FP_WFRACBITS_##fs + 1));	\
-		else if (X##_e < _FP_WFRACBITS_##fs - 1)			\
-		  {								\
-		    _FP_FRAC_SRS_##wc(X, (_FP_WFRACBITS_##fs - X##_e - 2),	\
-				      _FP_WFRACBITS_##fs);			\
-		    if (_FP_FRAC_LOW_##wc(X) & 1)				\
-		      FP_SET_EXCEPTION(FP_EX_INEXACT);				\
-		    _FP_FRAC_SRL_##wc(X, 1);					\
-		  }								\
-		_FP_FRAC_ASSEMBLE_##wc(r, X, rsize);				\
-	      }									\
-	    if (rsigned && X##_s)						\
-	      r = -r;								\
-	  }									\
-	break;									\
-      }										\
-  } while (0)
-
-#define _FP_TO_INT_ROUND(fs, wc, r, X, rsize, rsigned)				\
-  do {										\
-    r = 0;									\
-    switch (X##_c)								\
-      {										\
-      case FP_CLS_NORMAL:							\
-	if (X##_e >= _FP_FRACBITS_##fs - 1)					\
-	  {									\
-	    if (X##_e < rsize - 1 + _FP_WFRACBITS_##fs)				\
-	      {									\
-		if (X##_e >= _FP_WFRACBITS_##fs - 1)				\
-		  {								\
-		    _FP_FRAC_ASSEMBLE_##wc(r, X, rsize);			\
-		    r <<= X##_e - _FP_WFRACBITS_##fs + 1;			\
-		  }								\
-		else								\
-		  {								\
-		    _FP_FRAC_SRL_##wc(X, _FP_WORKBITS - X##_e			\
-				      + _FP_FRACBITS_##fs - 1);			\
-		    _FP_FRAC_ASSEMBLE_##wc(r, X, rsize);			\
-		  }								\
-	      }									\
-	  }									\
-	else									\
-	  {									\
-	    int _lz0, _lz1;							\
-	    if (X##_e <= -_FP_WORKBITS - 1)					\
-	      _FP_FRAC_SET_##wc(X, _FP_MINFRAC_##wc);				\
-	    else								\
-	      _FP_FRAC_SRS_##wc(X, _FP_FRACBITS_##fs - 1 - X##_e,		\
-				_FP_WFRACBITS_##fs);				\
-	    _FP_FRAC_CLZ_##wc(_lz0, X);						\
-	    _FP_ROUND(wc, X);							\
-	    _FP_FRAC_CLZ_##wc(_lz1, X);						\
-	    if (_lz1 < _lz0)							\
-	      X##_e++; /* For overflow detection.  */				\
-	    _FP_FRAC_SRL_##wc(X, _FP_WORKBITS);					\
-	    _FP_FRAC_ASSEMBLE_##wc(r, X, rsize);				\
-	  }									\
-	if (rsigned && X##_s)							\
-	  r = -r;								\
-	if (X##_e >= rsize - (rsigned > 0 || X##_s)				\
-	    || (!rsigned && X##_s))						\
-	  {	/* overflow */							\
-	  case FP_CLS_NAN:                                                      \
-	  case FP_CLS_INF:							\
-	    if (!rsigned)							\
-	      {									\
-		r = 0;								\
-		if (!X##_s)							\
-		  r = ~r;							\
-	      }									\
-	    else if (rsigned != 2)						\
-	      {									\
-		r = 1;								\
-		r <<= rsize - 1;						\
-		r -= 1 - X##_s;							\
-	      }									\
-	    FP_SET_EXCEPTION(FP_EX_INVALID);					\
-	  }									\
-	break;									\
-      case FP_CLS_ZERO:								\
-        break;									\
-      }										\
-  } while (0)
-
-#define _FP_FROM_INT(fs, wc, X, r, rsize, rtype)			\
-  do {									\
-    if (r)								\
-      {									\
-        unsigned rtype ur_;						\
-	X##_c = FP_CLS_NORMAL;						\
-									\
-	if ((X##_s = (r < 0)))						\
-	  ur_ = (unsigned rtype) -r;					\
-	else								\
-	  ur_ = (unsigned rtype) r;					\
-	if (rsize <= _FP_W_TYPE_SIZE)					\
-	  __FP_CLZ(X##_e, ur_);						\
-	else								\
-	  __FP_CLZ_2(X##_e, (_FP_W_TYPE)(ur_ >> _FP_W_TYPE_SIZE), 	\
-		     (_FP_W_TYPE)ur_);					\
-	if (rsize < _FP_W_TYPE_SIZE)					\
-		X##_e -= (_FP_W_TYPE_SIZE - rsize);			\
-	X##_e = rsize - X##_e - 1;					\
-									\
-	if (_FP_FRACBITS_##fs < rsize && _FP_WFRACBITS_##fs <= X##_e)	\
-	  __FP_FRAC_SRS_1(ur_, (X##_e - _FP_WFRACBITS_##fs + 1), rsize);\
-	_FP_FRAC_DISASSEMBLE_##wc(X, ur_, rsize);			\
-	if ((_FP_WFRACBITS_##fs - X##_e - 1) > 0)			\
-	  _FP_FRAC_SLL_##wc(X, (_FP_WFRACBITS_##fs - X##_e - 1));	\
-      }									\
-    else								\
-      {									\
-	X##_c = FP_CLS_ZERO, X##_s = 0;					\
-      }									\
-  } while (0)
-
-
-#define FP_CONV(dfs,sfs,dwc,swc,D,S)			\
-  do {							\
-    _FP_FRAC_CONV_##dwc##_##swc(dfs, sfs, D, S);	\
-    D##_e = S##_e;					\
-    D##_c = S##_c;					\
-    D##_s = S##_s;					\
-  } while (0)
-
-/*
- * Helper primitives.
- */
-
-/* Count leading zeros in a word.  */
-
-#ifndef __FP_CLZ
-#if _FP_W_TYPE_SIZE < 64
-/* this is just to shut the compiler up about shifts > word length -- PMM 02/1998 */
-#define __FP_CLZ(r, x)				\
-  do {						\
-    _FP_W_TYPE _t = (x);			\
-    r = _FP_W_TYPE_SIZE - 1;			\
-    if (_t > 0xffff) r -= 16;			\
-    if (_t > 0xffff) _t >>= 16;			\
-    if (_t > 0xff) r -= 8;			\
-    if (_t > 0xff) _t >>= 8;			\
-    if (_t & 0xf0) r -= 4;			\
-    if (_t & 0xf0) _t >>= 4;			\
-    if (_t & 0xc) r -= 2;			\
-    if (_t & 0xc) _t >>= 2;			\
-    if (_t & 0x2) r -= 1;			\
-  } while (0)
-#else /* not _FP_W_TYPE_SIZE < 64 */
-#define __FP_CLZ(r, x)				\
-  do {						\
-    _FP_W_TYPE _t = (x);			\
-    r = _FP_W_TYPE_SIZE - 1;			\
-    if (_t > 0xffffffff) r -= 32;		\
-    if (_t > 0xffffffff) _t >>= 32;		\
-    if (_t > 0xffff) r -= 16;			\
-    if (_t > 0xffff) _t >>= 16;			\
-    if (_t > 0xff) r -= 8;			\
-    if (_t > 0xff) _t >>= 8;			\
-    if (_t & 0xf0) r -= 4;			\
-    if (_t & 0xf0) _t >>= 4;			\
-    if (_t & 0xc) r -= 2;			\
-    if (_t & 0xc) _t >>= 2;			\
-    if (_t & 0x2) r -= 1;			\
-  } while (0)
-#endif /* not _FP_W_TYPE_SIZE < 64 */
-#endif /* ndef __FP_CLZ */
-
-#define _FP_DIV_HELP_imm(q, r, n, d)		\
-  do {						\
-    q = n / d, r = n % d;			\
-  } while (0)
-
-#endif /* __MATH_EMU_OP_COMMON_H__ */
diff --git a/include/math-emu-old/quad.h b/include/math-emu-old/quad.h
deleted file mode 100644
index 6161136..0000000
--- a/include/math-emu-old/quad.h
+++ /dev/null
@@ -1,208 +0,0 @@
-/* Software floating-point emulation.
-   Definitions for IEEE Quad Precision.
-   Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@cygnus.com),
-		  Jakub Jelinek (jj@ultra.linux.cz),
-		  David S. Miller (davem@redhat.com) and
-		  Peter Maydell (pmaydell@chiark.greenend.org.uk).
-
-   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_EMU_QUAD_H__
-#define  __MATH_EMU_QUAD_H__
-
-#if _FP_W_TYPE_SIZE < 32
-#error "Here's a nickel, kid. Go buy yourself a real computer."
-#endif
-
-#if _FP_W_TYPE_SIZE < 64
-#define _FP_FRACTBITS_Q         (4*_FP_W_TYPE_SIZE)
-#else
-#define _FP_FRACTBITS_Q		(2*_FP_W_TYPE_SIZE)
-#endif
-
-#define _FP_FRACBITS_Q		113
-#define _FP_FRACXBITS_Q		(_FP_FRACTBITS_Q - _FP_FRACBITS_Q)
-#define _FP_WFRACBITS_Q		(_FP_WORKBITS + _FP_FRACBITS_Q)
-#define _FP_WFRACXBITS_Q	(_FP_FRACTBITS_Q - _FP_WFRACBITS_Q)
-#define _FP_EXPBITS_Q		15
-#define _FP_EXPBIAS_Q		16383
-#define _FP_EXPMAX_Q		32767
-
-#define _FP_QNANBIT_Q		\
-	((_FP_W_TYPE)1 << (_FP_FRACBITS_Q-2) % _FP_W_TYPE_SIZE)
-#define _FP_IMPLBIT_Q		\
-	((_FP_W_TYPE)1 << (_FP_FRACBITS_Q-1) % _FP_W_TYPE_SIZE)
-#define _FP_OVERFLOW_Q		\
-	((_FP_W_TYPE)1 << (_FP_WFRACBITS_Q % _FP_W_TYPE_SIZE))
-
-#if _FP_W_TYPE_SIZE < 64
-
-union _FP_UNION_Q
-{
-   long double flt;
-   struct 
-   {
-#if __BYTE_ORDER == __BIG_ENDIAN
-      unsigned sign : 1;
-      unsigned exp : _FP_EXPBITS_Q;
-      unsigned long frac3 : _FP_FRACBITS_Q - (_FP_IMPLBIT_Q != 0)-(_FP_W_TYPE_SIZE * 3);
-      unsigned long frac2 : _FP_W_TYPE_SIZE;
-      unsigned long frac1 : _FP_W_TYPE_SIZE;
-      unsigned long frac0 : _FP_W_TYPE_SIZE;
-#else
-      unsigned long frac0 : _FP_W_TYPE_SIZE;
-      unsigned long frac1 : _FP_W_TYPE_SIZE;
-      unsigned long frac2 : _FP_W_TYPE_SIZE;
-      unsigned long frac3 : _FP_FRACBITS_Q - (_FP_IMPLBIT_Q != 0)-(_FP_W_TYPE_SIZE * 3);
-      unsigned exp : _FP_EXPBITS_Q;
-      unsigned sign : 1;
-#endif /* not bigendian */
-   } bits __attribute__((packed));
-};
-
-
-#define FP_DECL_Q(X)		_FP_DECL(4,X)
-#define FP_UNPACK_RAW_Q(X,val)	_FP_UNPACK_RAW_4(Q,X,val)
-#define FP_UNPACK_RAW_QP(X,val)	_FP_UNPACK_RAW_4_P(Q,X,val)
-#define FP_PACK_RAW_Q(val,X)	_FP_PACK_RAW_4(Q,val,X)
-#define FP_PACK_RAW_QP(val,X)		\
-  do {					\
-    if (!FP_INHIBIT_RESULTS)		\
-      _FP_PACK_RAW_4_P(Q,val,X);	\
-  } while (0)
-
-#define FP_UNPACK_Q(X,val)		\
-  do {					\
-    _FP_UNPACK_RAW_4(Q,X,val);		\
-    _FP_UNPACK_CANONICAL(Q,4,X);	\
-  } while (0)
-
-#define FP_UNPACK_QP(X,val)		\
-  do {					\
-    _FP_UNPACK_RAW_4_P(Q,X,val);	\
-    _FP_UNPACK_CANONICAL(Q,4,X);	\
-  } while (0)
-
-#define FP_PACK_Q(val,X)		\
-  do {					\
-    _FP_PACK_CANONICAL(Q,4,X);		\
-    _FP_PACK_RAW_4(Q,val,X);		\
-  } while (0)
-
-#define FP_PACK_QP(val,X)		\
-  do {					\
-    _FP_PACK_CANONICAL(Q,4,X);		\
-    if (!FP_INHIBIT_RESULTS)		\
-      _FP_PACK_RAW_4_P(Q,val,X);	\
-  } while (0)
-
-#define FP_ISSIGNAN_Q(X)		_FP_ISSIGNAN(Q,4,X)
-#define FP_NEG_Q(R,X)			_FP_NEG(Q,4,R,X)
-#define FP_ADD_Q(R,X,Y)			_FP_ADD(Q,4,R,X,Y)
-#define FP_SUB_Q(R,X,Y)			_FP_SUB(Q,4,R,X,Y)
-#define FP_MUL_Q(R,X,Y)			_FP_MUL(Q,4,R,X,Y)
-#define FP_DIV_Q(R,X,Y)			_FP_DIV(Q,4,R,X,Y)
-#define FP_SQRT_Q(R,X)			_FP_SQRT(Q,4,R,X)
-#define _FP_SQRT_MEAT_Q(R,S,T,X,Q)	_FP_SQRT_MEAT_4(R,S,T,X,Q)
-
-#define FP_CMP_Q(r,X,Y,un)	_FP_CMP(Q,4,r,X,Y,un)
-#define FP_CMP_EQ_Q(r,X,Y)	_FP_CMP_EQ(Q,4,r,X,Y)
-
-#define FP_TO_INT_Q(r,X,rsz,rsg)	_FP_TO_INT(Q,4,r,X,rsz,rsg)
-#define FP_TO_INT_ROUND_Q(r,X,rsz,rsg)	_FP_TO_INT_ROUND(Q,4,r,X,rsz,rsg)
-#define FP_FROM_INT_Q(X,r,rs,rt)	_FP_FROM_INT(Q,4,X,r,rs,rt)
-
-#define _FP_FRAC_HIGH_Q(X)	_FP_FRAC_HIGH_4(X)
-#define _FP_FRAC_HIGH_RAW_Q(X)	_FP_FRAC_HIGH_4(X)
-
-#else   /* not _FP_W_TYPE_SIZE < 64 */
-union _FP_UNION_Q
-{
-  long double flt /* __attribute__((mode(TF))) */ ;
-  struct {
-#if __BYTE_ORDER == __BIG_ENDIAN
-    unsigned sign  : 1;
-    unsigned exp   : _FP_EXPBITS_Q;
-    unsigned long frac1 : _FP_FRACBITS_Q-(_FP_IMPLBIT_Q != 0)-_FP_W_TYPE_SIZE;
-    unsigned long frac0 : _FP_W_TYPE_SIZE;
-#else
-    unsigned long frac0 : _FP_W_TYPE_SIZE;
-    unsigned long frac1 : _FP_FRACBITS_Q-(_FP_IMPLBIT_Q != 0)-_FP_W_TYPE_SIZE;
-    unsigned exp   : _FP_EXPBITS_Q;
-    unsigned sign  : 1;
-#endif
-  } bits;
-};
-
-#define FP_DECL_Q(X)		_FP_DECL(2,X)
-#define FP_UNPACK_RAW_Q(X,val)	_FP_UNPACK_RAW_2(Q,X,val)
-#define FP_UNPACK_RAW_QP(X,val)	_FP_UNPACK_RAW_2_P(Q,X,val)
-#define FP_PACK_RAW_Q(val,X)	_FP_PACK_RAW_2(Q,val,X)
-#define FP_PACK_RAW_QP(val,X)		\
-  do {					\
-    if (!FP_INHIBIT_RESULTS)		\
-      _FP_PACK_RAW_2_P(Q,val,X);	\
-  } while (0)
-
-#define FP_UNPACK_Q(X,val)		\
-  do {					\
-    _FP_UNPACK_RAW_2(Q,X,val);		\
-    _FP_UNPACK_CANONICAL(Q,2,X);	\
-  } while (0)
-
-#define FP_UNPACK_QP(X,val)		\
-  do {					\
-    _FP_UNPACK_RAW_2_P(Q,X,val);	\
-    _FP_UNPACK_CANONICAL(Q,2,X);	\
-  } while (0)
-
-#define FP_PACK_Q(val,X)		\
-  do {					\
-    _FP_PACK_CANONICAL(Q,2,X);		\
-    _FP_PACK_RAW_2(Q,val,X);		\
-  } while (0)
-
-#define FP_PACK_QP(val,X)		\
-  do {					\
-    _FP_PACK_CANONICAL(Q,2,X);		\
-    if (!FP_INHIBIT_RESULTS)		\
-      _FP_PACK_RAW_2_P(Q,val,X);	\
-  } while (0)
-
-#define FP_ISSIGNAN_Q(X)		_FP_ISSIGNAN(Q,2,X)
-#define FP_NEG_Q(R,X)			_FP_NEG(Q,2,R,X)
-#define FP_ADD_Q(R,X,Y)			_FP_ADD(Q,2,R,X,Y)
-#define FP_SUB_Q(R,X,Y)			_FP_SUB(Q,2,R,X,Y)
-#define FP_MUL_Q(R,X,Y)			_FP_MUL(Q,2,R,X,Y)
-#define FP_DIV_Q(R,X,Y)			_FP_DIV(Q,2,R,X,Y)
-#define FP_SQRT_Q(R,X)			_FP_SQRT(Q,2,R,X)
-#define _FP_SQRT_MEAT_Q(R,S,T,X,Q)	_FP_SQRT_MEAT_2(R,S,T,X,Q)
-
-#define FP_CMP_Q(r,X,Y,un)	_FP_CMP(Q,2,r,X,Y,un)
-#define FP_CMP_EQ_Q(r,X,Y)	_FP_CMP_EQ(Q,2,r,X,Y)
-
-#define FP_TO_INT_Q(r,X,rsz,rsg)	_FP_TO_INT(Q,2,r,X,rsz,rsg)
-#define FP_TO_INT_ROUND_Q(r,X,rsz,rsg)	_FP_TO_INT_ROUND(Q,2,r,X,rsz,rsg)
-#define FP_FROM_INT_Q(X,r,rs,rt)	_FP_FROM_INT(Q,2,X,r,rs,rt)
-
-#define _FP_FRAC_HIGH_Q(X)	_FP_FRAC_HIGH_2(X)
-#define _FP_FRAC_HIGH_RAW_Q(X)	_FP_FRAC_HIGH_2(X)
-
-#endif /* not _FP_W_TYPE_SIZE < 64 */
-
-#endif /* __MATH_EMU_QUAD_H__ */
diff --git a/include/math-emu-old/single.h b/include/math-emu-old/single.h
deleted file mode 100644
index 87f90b0..0000000
--- a/include/math-emu-old/single.h
+++ /dev/null
@@ -1,116 +0,0 @@
-/* Software floating-point emulation.
-   Definitions for IEEE Single Precision.
-   Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@cygnus.com),
-		  Jakub Jelinek (jj@ultra.linux.cz),
-		  David S. Miller (davem@redhat.com) and
-		  Peter Maydell (pmaydell@chiark.greenend.org.uk).
-
-   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_EMU_SINGLE_H__
-#define    __MATH_EMU_SINGLE_H__
-
-#if _FP_W_TYPE_SIZE < 32
-#error "Here's a nickel kid.  Go buy yourself a real computer."
-#endif
-
-#define _FP_FRACBITS_S		24
-#define _FP_FRACXBITS_S		(_FP_W_TYPE_SIZE - _FP_FRACBITS_S)
-#define _FP_WFRACBITS_S		(_FP_WORKBITS + _FP_FRACBITS_S)
-#define _FP_WFRACXBITS_S	(_FP_W_TYPE_SIZE - _FP_WFRACBITS_S)
-#define _FP_EXPBITS_S		8
-#define _FP_EXPBIAS_S		127
-#define _FP_EXPMAX_S		255
-#define _FP_QNANBIT_S		((_FP_W_TYPE)1 << (_FP_FRACBITS_S-2))
-#define _FP_IMPLBIT_S		((_FP_W_TYPE)1 << (_FP_FRACBITS_S-1))
-#define _FP_OVERFLOW_S		((_FP_W_TYPE)1 << (_FP_WFRACBITS_S))
-
-/* The implementation of _FP_MUL_MEAT_S and _FP_DIV_MEAT_S should be
-   chosen by the target machine.  */
-
-union _FP_UNION_S
-{
-  float flt;
-  struct {
-#if __BYTE_ORDER == __BIG_ENDIAN
-    unsigned sign : 1;
-    unsigned exp  : _FP_EXPBITS_S;
-    unsigned frac : _FP_FRACBITS_S - (_FP_IMPLBIT_S != 0);
-#else
-    unsigned frac : _FP_FRACBITS_S - (_FP_IMPLBIT_S != 0);
-    unsigned exp  : _FP_EXPBITS_S;
-    unsigned sign : 1;
-#endif
-  } bits __attribute__((packed));
-};
-
-#define FP_DECL_S(X)		_FP_DECL(1,X)
-#define FP_UNPACK_RAW_S(X,val)	_FP_UNPACK_RAW_1(S,X,val)
-#define FP_UNPACK_RAW_SP(X,val)	_FP_UNPACK_RAW_1_P(S,X,val)
-#define FP_PACK_RAW_S(val,X)	_FP_PACK_RAW_1(S,val,X)
-#define FP_PACK_RAW_SP(val,X)		\
-  do {					\
-    if (!FP_INHIBIT_RESULTS)		\
-      _FP_PACK_RAW_1_P(S,val,X);	\
-  } while (0)
-
-#define FP_UNPACK_S(X,val)		\
-  do {					\
-    _FP_UNPACK_RAW_1(S,X,val);		\
-    _FP_UNPACK_CANONICAL(S,1,X);	\
-  } while (0)
-
-#define FP_UNPACK_SP(X,val)		\
-  do {					\
-    _FP_UNPACK_RAW_1_P(S,X,val);	\
-    _FP_UNPACK_CANONICAL(S,1,X);	\
-  } while (0)
-
-#define FP_PACK_S(val,X)		\
-  do {					\
-    _FP_PACK_CANONICAL(S,1,X);		\
-    _FP_PACK_RAW_1(S,val,X);		\
-  } while (0)
-
-#define FP_PACK_SP(val,X)		\
-  do {					\
-    _FP_PACK_CANONICAL(S,1,X);		\
-    if (!FP_INHIBIT_RESULTS)		\
-      _FP_PACK_RAW_1_P(S,val,X);	\
-  } while (0)
-
-#define FP_ISSIGNAN_S(X)		_FP_ISSIGNAN(S,1,X)
-#define FP_NEG_S(R,X)			_FP_NEG(S,1,R,X)
-#define FP_ADD_S(R,X,Y)			_FP_ADD(S,1,R,X,Y)
-#define FP_SUB_S(R,X,Y)			_FP_SUB(S,1,R,X,Y)
-#define FP_MUL_S(R,X,Y)			_FP_MUL(S,1,R,X,Y)
-#define FP_DIV_S(R,X,Y)			_FP_DIV(S,1,R,X,Y)
-#define FP_SQRT_S(R,X)			_FP_SQRT(S,1,R,X)
-#define _FP_SQRT_MEAT_S(R,S,T,X,Q)	_FP_SQRT_MEAT_1(R,S,T,X,Q)
-
-#define FP_CMP_S(r,X,Y,un)	_FP_CMP(S,1,r,X,Y,un)
-#define FP_CMP_EQ_S(r,X,Y)	_FP_CMP_EQ(S,1,r,X,Y)
-
-#define FP_TO_INT_S(r,X,rsz,rsg)	_FP_TO_INT(S,1,r,X,rsz,rsg)
-#define FP_TO_INT_ROUND_S(r,X,rsz,rsg)	_FP_TO_INT_ROUND(S,1,r,X,rsz,rsg)
-#define FP_FROM_INT_S(X,r,rs,rt)	_FP_FROM_INT(S,1,X,r,rs,rt)
-
-#define _FP_FRAC_HIGH_S(X)	_FP_FRAC_HIGH_1(X)
-#define _FP_FRAC_HIGH_RAW_S(X)	_FP_FRAC_HIGH_1(X)
-
-#endif /* __MATH_EMU_SINGLE_H__ */
diff --git a/include/math-emu-old/soft-fp.h b/include/math-emu-old/soft-fp.h
deleted file mode 100644
index 0ce1032..0000000
--- a/include/math-emu-old/soft-fp.h
+++ /dev/null
@@ -1,207 +0,0 @@
-/* Software floating-point emulation.
-   Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@cygnus.com),
-		  Jakub Jelinek (jj@ultra.linux.cz),
-		  David S. Miller (davem@redhat.com) and
-		  Peter Maydell (pmaydell@chiark.greenend.org.uk).
-
-   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_EMU_SOFT_FP_H__
-#define __MATH_EMU_SOFT_FP_H__
-
-#include <asm/sfp-machine.h>
-
-/* Allow sfp-machine to have its own byte order definitions. */
-#ifndef __BYTE_ORDER
-#include <endian.h>
-#endif
-
-#define _FP_WORKBITS		3
-#define _FP_WORK_LSB		((_FP_W_TYPE)1 << 3)
-#define _FP_WORK_ROUND		((_FP_W_TYPE)1 << 2)
-#define _FP_WORK_GUARD		((_FP_W_TYPE)1 << 1)
-#define _FP_WORK_STICKY		((_FP_W_TYPE)1 << 0)
-
-#ifndef FP_RND_NEAREST
-# define FP_RND_NEAREST		0
-# define FP_RND_ZERO		1
-# define FP_RND_PINF		2
-# define FP_RND_MINF		3
-#ifndef FP_ROUNDMODE
-# define FP_ROUNDMODE		FP_RND_NEAREST
-#endif
-#endif
-
-/* By default don't care about exceptions. */
-#ifndef FP_EX_INVALID
-#define FP_EX_INVALID		0
-#endif
-#ifndef FP_EX_INVALID_SNAN
-#define FP_EX_INVALID_SNAN	0
-#endif
-/* inf - inf */
-#ifndef FP_EX_INVALID_ISI
-#define FP_EX_INVALID_ISI	0
-#endif
-/* inf / inf */
-#ifndef FP_EX_INVALID_IDI
-#define FP_EX_INVALID_IDI	0
-#endif
-/* 0 / 0 */
-#ifndef FP_EX_INVALID_ZDZ
-#define FP_EX_INVALID_ZDZ	0
-#endif
-/* inf * 0 */
-#ifndef FP_EX_INVALID_IMZ
-#define FP_EX_INVALID_IMZ	0
-#endif
-#ifndef FP_EX_OVERFLOW
-#define FP_EX_OVERFLOW		0
-#endif
-#ifndef FP_EX_UNDERFLOW
-#define FP_EX_UNDERFLOW		
-#endif
-#ifndef FP_EX_DIVZERO
-#define FP_EX_DIVZERO		0
-#endif
-#ifndef FP_EX_INEXACT
-#define FP_EX_INEXACT		0
-#endif
-#ifndef FP_EX_DENORM
-#define FP_EX_DENORM		0
-#endif
-
-#ifdef _FP_DECL_EX
-#define FP_DECL_EX					\
-  int _fex = 0;						\
-  _FP_DECL_EX
-#else
-#define FP_DECL_EX int _fex = 0
-#endif
-  
-#ifndef FP_INIT_ROUNDMODE
-#define FP_INIT_ROUNDMODE do {} while (0)
-#endif
-
-#ifndef FP_HANDLE_EXCEPTIONS
-#define FP_HANDLE_EXCEPTIONS do {} while (0)
-#endif
-
-/* By default we never flush denormal input operands to signed zero. */
-#ifndef FP_DENORM_ZERO
-#define FP_DENORM_ZERO 0
-#endif
-
-#ifndef FP_INHIBIT_RESULTS
-/* By default we write the results always.
- * sfp-machine may override this and e.g.
- * check if some exceptions are unmasked
- * and inhibit it in such a case.
- */
-#define FP_INHIBIT_RESULTS 0
-#endif
-
-#ifndef FP_TRAPPING_EXCEPTIONS
-#define FP_TRAPPING_EXCEPTIONS 0
-#endif
-
-#define FP_SET_EXCEPTION(ex)				\
-  _fex |= (ex)
-  
-#define FP_UNSET_EXCEPTION(ex)				\
-  _fex &= ~(ex)
-
-#define FP_CUR_EXCEPTIONS				\
-  (_fex)
-
-#define FP_CLEAR_EXCEPTIONS				\
-  _fex = 0
-
-#define _FP_ROUND_NEAREST(wc, X)			\
-do {							\
-    if ((_FP_FRAC_LOW_##wc(X) & 15) != _FP_WORK_ROUND)	\
-      _FP_FRAC_ADDI_##wc(X, _FP_WORK_ROUND);		\
-} while (0)
-
-#define _FP_ROUND_ZERO(wc, X)		0
-
-#define _FP_ROUND_PINF(wc, X)				\
-do {							\
-    if (!X##_s && (_FP_FRAC_LOW_##wc(X) & 7))		\
-      _FP_FRAC_ADDI_##wc(X, _FP_WORK_LSB);		\
-} while (0)
-
-#define _FP_ROUND_MINF(wc, X)				\
-do {							\
-    if (X##_s && (_FP_FRAC_LOW_##wc(X) & 7))		\
-      _FP_FRAC_ADDI_##wc(X, _FP_WORK_LSB);		\
-} while (0)
-
-#define _FP_ROUND(wc, X)			\
-do {						\
-	if (_FP_FRAC_LOW_##wc(X) & 7)		\
-	  FP_SET_EXCEPTION(FP_EX_INEXACT);	\
-	switch (FP_ROUNDMODE)			\
-	{					\
-	  case FP_RND_NEAREST:			\
-	    _FP_ROUND_NEAREST(wc,X);		\
-	    break;				\
-	  case FP_RND_ZERO:			\
-	    _FP_ROUND_ZERO(wc,X);		\
-	    break;				\
-	  case FP_RND_PINF:			\
-	    _FP_ROUND_PINF(wc,X);		\
-	    break;				\
-	  case FP_RND_MINF:			\
-	    _FP_ROUND_MINF(wc,X);		\
-	    break;				\
-	}					\
-} while (0)
-
-#define FP_CLS_NORMAL		0
-#define FP_CLS_ZERO		1
-#define FP_CLS_INF		2
-#define FP_CLS_NAN		3
-
-#define _FP_CLS_COMBINE(x,y)	(((x) << 2) | (y))
-
-#include <math-emu-old/op-1.h>
-#include <math-emu-old/op-2.h>
-#include <math-emu-old/op-4.h>
-#include <math-emu-old/op-8.h>
-#include <math-emu-old/op-common.h>
-
-/* Sigh.  Silly things longlong.h needs.  */
-#define UWtype		_FP_W_TYPE
-#define W_TYPE_SIZE	_FP_W_TYPE_SIZE
-
-typedef int SItype __attribute__((mode(SI)));
-typedef int DItype __attribute__((mode(DI)));
-typedef unsigned int USItype __attribute__((mode(SI)));
-typedef unsigned int UDItype __attribute__((mode(DI)));
-#if _FP_W_TYPE_SIZE == 32
-typedef unsigned int UHWtype __attribute__((mode(HI)));
-#elif _FP_W_TYPE_SIZE == 64
-typedef USItype UHWtype;
-#endif
-
-#ifndef umul_ppmm
-#include <stdlib/longlong.h>
-#endif
-
-#endif /* __MATH_EMU_SOFT_FP_H__ */
