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op-4.h File Reference

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Macros

#define _FP_FRAC_DECL_4(X)   _FP_W_TYPE X##_f[4]
 
#define _FP_FRAC_COPY_4(D, S)
 
#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)
 
#define _FP_FRAC_SRL_4(X, N)
 
#define _FP_FRAC_SRS_4(X, N, size)
 
#define _FP_FRAC_ADD_4(R, X, Y)
 
#define _FP_FRAC_SUB_4(R, X, Y)
 
#define _FP_FRAC_DEC_4(X, Y)
 
#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)
 
#define _FP_FRAC_GT_4(X, Y)
 
#define _FP_FRAC_GE_4(X, Y)
 
#define _FP_FRAC_CLZ_4(R, X)
 
#define _FP_UNPACK_RAW_4(fs, X, val)
 
#define _FP_UNPACK_RAW_4_P(fs, X, val)
 
#define _FP_PACK_RAW_4(fs, val, X)
 
#define _FP_PACK_RAW_4_P(fs, val, X)
 
#define _FP_MUL_MEAT_4_wide(wfracbits, R, X, Y, doit)
 
#define _FP_MUL_MEAT_4_gmp(wfracbits, R, X, Y)
 
#define umul_ppppmnnn(p3, p2, p1, p0, m, n2, n1, n0)
 
#define _FP_DIV_MEAT_4_udiv(fs, R, X, Y)
 
#define _FP_SQRT_MEAT_4(R, S, T, X, q)
 
#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)
 
#define __FP_FRAC_ADD_3(r2, r1, r0, x2, x1, x0, y2, y1, y0)
 
#define __FP_FRAC_ADD_4(r3, r2, r1, r0, x3, x2, x1, x0, y3, y2, y1, y0)
 
#define __FP_FRAC_SUB_3(r2, r1, r0, x2, x1, x0, y2, y1, y0)
 
#define __FP_FRAC_SUB_4(r3, r2, r1, r0, x3, x2, x1, x0, y3, y2, y1, y0)
 
#define __FP_FRAC_DEC_3(x2, x1, x0, y2, y1, y0)
 
#define __FP_FRAC_DEC_4(x3, x2, x1, x0, y3, y2, y1, y0)
 
#define __FP_FRAC_ADDI_4(x3, x2, x1, x0, i)
 
#define _FP_FRAC_CONV_1_4(dfs, sfs, D, S)
 
#define _FP_FRAC_CONV_2_4(dfs, sfs, D, S)
 
#define _FP_FRAC_ASSEMBLE_4(r, X, rsize)
 
#define _FP_FRAC_DISASSEMBLE_4(X, r, rsize)
 
#define _FP_FRAC_CONV_4_1(dfs, sfs, D, S)
 
#define _FP_FRAC_CONV_4_2(dfs, sfs, D, S)
 

Macro Definition Documentation

#define __FP_FRAC_ADD_3 (   r2,
  r1,
  r0,
  x2,
  x1,
  x0,
  y2,
  y1,
  y0 
)
Value:
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)

Definition at line 508 of file op-4.h.

#define __FP_FRAC_ADD_4 (   r3,
  r2,
  r1,
  r0,
  x3,
  x2,
  x1,
  x0,
  y3,
  y2,
  y1,
  y0 
)
Value:
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)

Definition at line 522 of file op-4.h.

#define __FP_FRAC_ADDI_4 (   x3,
  x2,
  x1,
  x0,
  i 
)
Value:
do { \
UWtype _t; \
_t = ((x0 += i) < i); \
x1 += _t; _t = (x1 < _t); \
x2 += _t; _t = (x2 < _t); \
x3 += _t; \
} while (0)

Definition at line 590 of file op-4.h.

#define __FP_FRAC_DEC_3 (   x2,
  x1,
  x0,
  y2,
  y1,
  y0 
)
Value:
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)

Definition at line 572 of file op-4.h.

#define __FP_FRAC_DEC_4 (   x3,
  x2,
  x1,
  x0,
  y3,
  y2,
  y1,
  y0 
)
Value:
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)

Definition at line 581 of file op-4.h.

#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)

Definition at line 504 of file op-4.h.

#define __FP_FRAC_SUB_3 (   r2,
  r1,
  r0,
  x2,
  x1,
  x0,
  y2,
  y1,
  y0 
)
Value:
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)

Definition at line 540 of file op-4.h.

#define __FP_FRAC_SUB_4 (   r3,
  r2,
  r1,
  r0,
  x3,
  x2,
  x1,
  x0,
  y3,
  y2,
  y1,
  y0 
)
Value:
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)

Definition at line 554 of file op-4.h.

#define _FP_DIV_MEAT_4_udiv (   fs,
  R,
  X,
  Y 
)

Definition at line 351 of file op-4.h.

#define _FP_FRAC_ADD_4 (   R,
  X,
  Y 
)
Value:
__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])

Definition at line 111 of file op-4.h.

#define _FP_FRAC_ADDI_4 (   X,
  I 
)    __FP_FRAC_ADDI_4(X##_f[3], X##_f[2], X##_f[1], X##_f[0], I)

Definition at line 125 of file op-4.h.

#define _FP_FRAC_ASSEMBLE_4 (   r,
  X,
  rsize 
)
Value:
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)

Definition at line 632 of file op-4.h.

#define _FP_FRAC_CLEAR_OVERP_4 (   fs,
  X 
)    (_FP_FRAC_HIGH_##fs(X) &= ~_FP_OVERFLOW_##fs)

Definition at line 135 of file op-4.h.

#define _FP_FRAC_CLZ_4 (   R,
  X 
)
Value:
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)

Definition at line 160 of file op-4.h.

#define _FP_FRAC_CONV_1_4 (   dfs,
  sfs,
  D,
  S 
)
Value:
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)

Definition at line 607 of file op-4.h.

#define _FP_FRAC_CONV_2_4 (   dfs,
  sfs,
  D,
  S 
)
Value:
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)

Definition at line 617 of file op-4.h.

#define _FP_FRAC_CONV_4_1 (   dfs,
  sfs,
  D,
  S 
)
Value:
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)

Definition at line 669 of file op-4.h.

#define _FP_FRAC_CONV_4_2 (   dfs,
  sfs,
  D,
  S 
)
Value:
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)

Definition at line 676 of file op-4.h.

#define _FP_FRAC_COPY_4 (   D,
  S 
)
Value:
(D##_f[0] = S##_f[0], D##_f[1] = S##_f[1], \
D##_f[2] = S##_f[2], D##_f[3] = S##_f[3])

Definition at line 29 of file op-4.h.

#define _FP_FRAC_DEC_4 (   X,
  Y 
)
Value:
__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])

Definition at line 121 of file op-4.h.

#define _FP_FRAC_DECL_4 (   X)    _FP_W_TYPE X##_f[4]

Definition at line 28 of file op-4.h.

#define _FP_FRAC_DISASSEMBLE_4 (   X,
  r,
  rsize 
)
Value:
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)

Definition at line 661 of file op-4.h.

#define _FP_FRAC_EQ_4 (   X,
  Y 
)
Value:
(X##_f[0] == Y##_f[0] && X##_f[1] == Y##_f[1] \
&& X##_f[2] == Y##_f[2] && X##_f[3] == Y##_f[3])

Definition at line 137 of file op-4.h.

#define _FP_FRAC_GE_4 (   X,
  Y 
)
Value:
(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]) \
)) \
)) \
)

Definition at line 150 of file op-4.h.

#define _FP_FRAC_GT_4 (   X,
  Y 
)
Value:
(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]) \
)) \
)) \
)

Definition at line 141 of file op-4.h.

#define _FP_FRAC_HIGH_4 (   X)    (X##_f[3])

Definition at line 33 of file op-4.h.

#define _FP_FRAC_LOW_4 (   X)    (X##_f[0])

Definition at line 34 of file op-4.h.

#define _FP_FRAC_NEGP_4 (   X)    ((_FP_WS_TYPE)X##_f[3] < 0)

Definition at line 133 of file op-4.h.

#define _FP_FRAC_OVERP_4 (   fs,
  X 
)    (_FP_FRAC_HIGH_##fs(X) & _FP_OVERFLOW_##fs)

Definition at line 134 of file op-4.h.

#define _FP_FRAC_SET_4 (   X,
  I 
)    __FP_FRAC_SET_4(X, I)

Definition at line 32 of file op-4.h.

#define _FP_FRAC_SLL_4 (   X,
  N 
)
Value:
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)

Definition at line 37 of file op-4.h.

#define _FP_FRAC_SRL_4 (   X,
  N 
)
Value:
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)

Definition at line 58 of file op-4.h.

#define _FP_FRAC_SRS_4 (   X,
  N,
  size 
)
Value:
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)

Definition at line 84 of file op-4.h.

#define _FP_FRAC_SUB_4 (   R,
  X,
  Y 
)
Value:
__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])

Definition at line 116 of file op-4.h.

#define _FP_FRAC_WORD_4 (   X,
  w 
)    (X##_f[w])

Definition at line 35 of file op-4.h.

#define _FP_FRAC_ZEROP_4 (   X)    ((X##_f[0] | X##_f[1] | X##_f[2] | X##_f[3]) == 0)

Definition at line 132 of file op-4.h.

#define _FP_MAXFRAC_4   (~(_FP_WS_TYPE)0), (~(_FP_WS_TYPE)0), (~(_FP_WS_TYPE)0), (~(_FP_WS_TYPE)0)

Definition at line 130 of file op-4.h.

#define _FP_MINFRAC_4   0,0,0,1

Definition at line 129 of file op-4.h.

#define _FP_MUL_MEAT_4_gmp (   wfracbits,
  R,
  X,
  Y 
)
Value:
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)

Definition at line 321 of file op-4.h.

#define _FP_MUL_MEAT_4_wide (   wfracbits,
  R,
  X,
  Y,
  doit 
)

Definition at line 239 of file op-4.h.

#define _FP_PACK_RAW_4 (   fs,
  val,
  X 
)
Value:
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)

Definition at line 208 of file op-4.h.

#define _FP_PACK_RAW_4_P (   fs,
  val,
  X 
)
Value:
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)

Definition at line 220 of file op-4.h.

#define _FP_SQRT_MEAT_4 (   R,
  S,
  T,
  X,
  q 
)

Definition at line 421 of file op-4.h.

#define _FP_UNPACK_RAW_4 (   fs,
  X,
  val 
)
Value:
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)

Definition at line 184 of file op-4.h.

#define _FP_UNPACK_RAW_4_P (   fs,
  X,
  val 
)
Value:
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)

Definition at line 195 of file op-4.h.

#define _FP_ZEROFRAC_4   0,0,0,0

Definition at line 128 of file op-4.h.

#define umul_ppppmnnn (   p3,
  p2,
  p1,
  p0,
  m,
  n2,
  n1,
  n0 
)
Value:
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)

Definition at line 337 of file op-4.h.

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