* 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; \
- } \
+#define _FP_UNPACK_RAW_1(fs, X, val) \
+ do \
+ { \
+ union _FP_UNION_##fs _FP_UNPACK_RAW_1_flo; \
+ _FP_UNPACK_RAW_1_flo.flt = (val); \
+ \
+ X##_f = _FP_UNPACK_RAW_1_flo.bits.frac; \
+ X##_e = _FP_UNPACK_RAW_1_flo.bits.exp; \
+ X##_s = _FP_UNPACK_RAW_1_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; \
- } \
+#define _FP_UNPACK_RAW_1_P(fs, X, val) \
+ do \
+ { \
+ union _FP_UNION_##fs *_FP_UNPACK_RAW_1_P_flo \
+ = (union _FP_UNION_##fs *) (val); \
+ \
+ X##_f = _FP_UNPACK_RAW_1_P_flo->bits.frac; \
+ X##_e = _FP_UNPACK_RAW_1_P_flo->bits.exp; \
+ X##_s = _FP_UNPACK_RAW_1_P_flo->bits.sign; \
+ } \
while (0)
/*
#define _FP_PACK_RAW_1(fs, val, X) \
do \
{ \
- union _FP_UNION_##fs _flo; \
+ union _FP_UNION_##fs _FP_PACK_RAW_1_flo; \
\
- _flo.bits.frac = X##_f; \
- _flo.bits.exp = X##_e; \
- _flo.bits.sign = X##_s; \
+ _FP_PACK_RAW_1_flo.bits.frac = X##_f; \
+ _FP_PACK_RAW_1_flo.bits.exp = X##_e; \
+ _FP_PACK_RAW_1_flo.bits.sign = X##_s; \
\
- (val) = _flo.flt; \
+ (val) = _FP_PACK_RAW_1_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; \
- } \
+#define _FP_PACK_RAW_1_P(fs, val, X) \
+ do \
+ { \
+ union _FP_UNION_##fs *_FP_PACK_RAW_1_P_flo \
+ = (union _FP_UNION_##fs *) (val); \
+ \
+ _FP_PACK_RAW_1_P_flo->bits.frac = X##_f; \
+ _FP_PACK_RAW_1_P_flo->bits.exp = X##_e; \
+ _FP_PACK_RAW_1_P_flo->bits.sign = X##_s; \
+ } \
while (0)
#define _FP_MUL_MEAT_1_wide(wfracbits, R, X, Y, doit) \
do \
{ \
- _FP_FRAC_DECL_2 (_Z); \
- _FP_MUL_MEAT_DW_1_wide (wfracbits, _Z, X, Y, doit); \
+ _FP_FRAC_DECL_2 (_FP_MUL_MEAT_1_wide_Z); \
+ _FP_MUL_MEAT_DW_1_wide (wfracbits, _FP_MUL_MEAT_1_wide_Z, \
+ X, Y, doit); \
/* 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; \
+ _FP_FRAC_SRS_2 (_FP_MUL_MEAT_1_wide_Z, wfracbits-1, 2*wfracbits); \
+ R##_f = _FP_MUL_MEAT_1_wide_Z_f0; \
} \
while (0)
#define _FP_MUL_MEAT_DW_1_hard(wfracbits, R, X, Y) \
do \
{ \
- _FP_W_TYPE _xh, _xl, _yh, _yl; \
- _FP_FRAC_DECL_2 (_a); \
+ _FP_W_TYPE _FP_MUL_MEAT_DW_1_hard_xh, _FP_MUL_MEAT_DW_1_hard_xl; \
+ _FP_W_TYPE _FP_MUL_MEAT_DW_1_hard_yh, _FP_MUL_MEAT_DW_1_hard_yl; \
+ _FP_FRAC_DECL_2 (_FP_MUL_MEAT_DW_1_hard_a); \
\
/* 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); \
+ _FP_MUL_MEAT_DW_1_hard_xh = X##_f >> (_FP_W_TYPE_SIZE/2); \
+ _FP_MUL_MEAT_DW_1_hard_xl \
+ = X##_f & (((_FP_W_TYPE) 1 << (_FP_W_TYPE_SIZE/2)) - 1); \
+ _FP_MUL_MEAT_DW_1_hard_yh = Y##_f >> (_FP_W_TYPE_SIZE/2); \
+ _FP_MUL_MEAT_DW_1_hard_yl \
+ = Y##_f & (((_FP_W_TYPE) 1 << (_FP_W_TYPE_SIZE/2)) - 1); \
\
/* multiply the pieces */ \
- R##_f0 = _xl * _yl; \
- _a_f0 = _xh * _yl; \
- _a_f1 = _xl * _yh; \
- R##_f1 = _xh * _yh; \
+ R##_f0 = _FP_MUL_MEAT_DW_1_hard_xl * _FP_MUL_MEAT_DW_1_hard_yl; \
+ _FP_MUL_MEAT_DW_1_hard_a_f0 \
+ = _FP_MUL_MEAT_DW_1_hard_xh * _FP_MUL_MEAT_DW_1_hard_yl; \
+ _FP_MUL_MEAT_DW_1_hard_a_f1 \
+ = _FP_MUL_MEAT_DW_1_hard_xl * _FP_MUL_MEAT_DW_1_hard_yh; \
+ R##_f1 = _FP_MUL_MEAT_DW_1_hard_xh * _FP_MUL_MEAT_DW_1_hard_yh; \
\
/* reassemble into two full words */ \
- if ((_a_f0 += _a_f1) < _a_f1) \
+ if ((_FP_MUL_MEAT_DW_1_hard_a_f0 += _FP_MUL_MEAT_DW_1_hard_a_f1) \
+ < _FP_MUL_MEAT_DW_1_hard_a_f1) \
R##_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 (R, R, _a); \
+ _FP_MUL_MEAT_DW_1_hard_a_f1 \
+ = _FP_MUL_MEAT_DW_1_hard_a_f0 >> (_FP_W_TYPE_SIZE/2); \
+ _FP_MUL_MEAT_DW_1_hard_a_f0 \
+ = _FP_MUL_MEAT_DW_1_hard_a_f0 << (_FP_W_TYPE_SIZE/2); \
+ _FP_FRAC_ADD_2 (R, R, _FP_MUL_MEAT_DW_1_hard_a); \
} \
while (0)
-#define _FP_MUL_MEAT_1_hard(wfracbits, R, X, Y) \
- do \
- { \
- _FP_FRAC_DECL_2 (_z); \
- _FP_MUL_MEAT_DW_1_hard (wfracbits, _z, X, Y); \
- \
- /* normalize */ \
- _FP_FRAC_SRS_2 (_z, wfracbits - 1, 2*wfracbits); \
- R##_f = _z_f0; \
- } \
+#define _FP_MUL_MEAT_1_hard(wfracbits, R, X, Y) \
+ do \
+ { \
+ _FP_FRAC_DECL_2 (_FP_MUL_MEAT_1_hard_z); \
+ _FP_MUL_MEAT_DW_1_hard (wfracbits, _FP_MUL_MEAT_1_hard_z, X, Y); \
+ \
+ /* normalize */ \
+ _FP_FRAC_SRS_2 (_FP_MUL_MEAT_1_hard_z, \
+ wfracbits - 1, 2*wfracbits); \
+ R##_f = _FP_MUL_MEAT_1_hard_z_f0; \
+ } \
while (0)
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); \
- } \
+#define _FP_DIV_MEAT_1_imm(fs, R, X, Y, doit) \
+ do \
+ { \
+ _FP_W_TYPE _FP_DIV_MEAT_1_imm_q, _FP_DIV_MEAT_1_imm_r; \
+ X##_f <<= (X##_f < Y##_f \
+ ? R##_e--, _FP_WFRACBITS_##fs \
+ : _FP_WFRACBITS_##fs - 1); \
+ doit (_FP_DIV_MEAT_1_imm_q, _FP_DIV_MEAT_1_imm_r, X##_f, Y##_f); \
+ R##_f = _FP_DIV_MEAT_1_imm_q | (_FP_DIV_MEAT_1_imm_r != 0); \
+ } \
while (0)
/* GCC's longlong.h defines a 2W / 1W => (1W,1W) primitive udiv_qrnnd
#define _FP_DIV_MEAT_1_udiv_norm(fs, R, X, Y) \
do \
{ \
- _FP_W_TYPE _nh, _nl, _q, _r, _y; \
+ _FP_W_TYPE _FP_DIV_MEAT_1_udiv_norm_nh; \
+ _FP_W_TYPE _FP_DIV_MEAT_1_udiv_norm_nl; \
+ _FP_W_TYPE _FP_DIV_MEAT_1_udiv_norm_q; \
+ _FP_W_TYPE _FP_DIV_MEAT_1_udiv_norm_r; \
+ _FP_W_TYPE _FP_DIV_MEAT_1_udiv_norm_y; \
\
/* Normalize Y -- i.e. make the most significant bit set. */ \
- _y = Y##_f << _FP_WFRACXBITS_##fs; \
+ _FP_DIV_MEAT_1_udiv_norm_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; \
+ _FP_DIV_MEAT_1_udiv_norm_nl = 0; \
+ _FP_DIV_MEAT_1_udiv_norm_nh = X##_f; \
} \
else \
{ \
- _nl = X##_f << (_FP_W_TYPE_SIZE - 1); \
- _nh = X##_f >> 1; \
+ _FP_DIV_MEAT_1_udiv_norm_nl = X##_f << (_FP_W_TYPE_SIZE - 1); \
+ _FP_DIV_MEAT_1_udiv_norm_nh = X##_f >> 1; \
} \
\
- udiv_qrnnd (_q, _r, _nh, _nl, _y); \
- R##_f = _q | (_r != 0); \
+ udiv_qrnnd (_FP_DIV_MEAT_1_udiv_norm_q, \
+ _FP_DIV_MEAT_1_udiv_norm_r, \
+ _FP_DIV_MEAT_1_udiv_norm_nh, \
+ _FP_DIV_MEAT_1_udiv_norm_nl, \
+ _FP_DIV_MEAT_1_udiv_norm_y); \
+ R##_f = (_FP_DIV_MEAT_1_udiv_norm_q \
+ | (_FP_DIV_MEAT_1_udiv_norm_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); \
- } \
+#define _FP_DIV_MEAT_1_udiv(fs, R, X, Y) \
+ do \
+ { \
+ _FP_W_TYPE _FP_DIV_MEAT_1_udiv_nh, _FP_DIV_MEAT_1_udiv_nl; \
+ _FP_W_TYPE _FP_DIV_MEAT_1_udiv_q, _FP_DIV_MEAT_1_udiv_r; \
+ if (X##_f < Y##_f) \
+ { \
+ R##_e--; \
+ _FP_DIV_MEAT_1_udiv_nl = X##_f << _FP_WFRACBITS_##fs; \
+ _FP_DIV_MEAT_1_udiv_nh = X##_f >> _FP_WFRACXBITS_##fs; \
+ } \
+ else \
+ { \
+ _FP_DIV_MEAT_1_udiv_nl = X##_f << (_FP_WFRACBITS_##fs - 1); \
+ _FP_DIV_MEAT_1_udiv_nh = X##_f >> (_FP_WFRACXBITS_##fs + 1); \
+ } \
+ udiv_qrnnd (_FP_DIV_MEAT_1_udiv_q, _FP_DIV_MEAT_1_udiv_r, \
+ _FP_DIV_MEAT_1_udiv_nh, _FP_DIV_MEAT_1_udiv_nl, \
+ Y##_f); \
+ R##_f = _FP_DIV_MEAT_1_udiv_q | (_FP_DIV_MEAT_1_udiv_r != 0); \
+ } \
while (0)
(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); \
- } \
+# define __FP_FRAC_DEC_2(xh, xl, yh, yl) \
+ do \
+ { \
+ UWtype __FP_FRAC_DEC_2_t = xl; \
+ xh -= yh + ((xl -= yl) > __FP_FRAC_DEC_2_t); \
+ } \
while (0)
# endif
* 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; \
- } \
+#define _FP_UNPACK_RAW_2(fs, X, val) \
+ do \
+ { \
+ union _FP_UNION_##fs _FP_UNPACK_RAW_2_flo; \
+ _FP_UNPACK_RAW_2_flo.flt = (val); \
+ \
+ X##_f0 = _FP_UNPACK_RAW_2_flo.bits.frac0; \
+ X##_f1 = _FP_UNPACK_RAW_2_flo.bits.frac1; \
+ X##_e = _FP_UNPACK_RAW_2_flo.bits.exp; \
+ X##_s = _FP_UNPACK_RAW_2_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; \
- } \
+#define _FP_UNPACK_RAW_2_P(fs, X, val) \
+ do \
+ { \
+ union _FP_UNION_##fs *_FP_UNPACK_RAW_2_P_flo \
+ = (union _FP_UNION_##fs *) (val); \
+ \
+ X##_f0 = _FP_UNPACK_RAW_2_P_flo->bits.frac0; \
+ X##_f1 = _FP_UNPACK_RAW_2_P_flo->bits.frac1; \
+ X##_e = _FP_UNPACK_RAW_2_P_flo->bits.exp; \
+ X##_s = _FP_UNPACK_RAW_2_P_flo->bits.sign; \
+ } \
while (0)
#define _FP_PACK_RAW_2(fs, val, X) \
do \
{ \
- union _FP_UNION_##fs _flo; \
+ union _FP_UNION_##fs _FP_PACK_RAW_2_flo; \
\
- _flo.bits.frac0 = X##_f0; \
- _flo.bits.frac1 = X##_f1; \
- _flo.bits.exp = X##_e; \
- _flo.bits.sign = X##_s; \
+ _FP_PACK_RAW_2_flo.bits.frac0 = X##_f0; \
+ _FP_PACK_RAW_2_flo.bits.frac1 = X##_f1; \
+ _FP_PACK_RAW_2_flo.bits.exp = X##_e; \
+ _FP_PACK_RAW_2_flo.bits.sign = X##_s; \
\
- (val) = _flo.flt; \
+ (val) = _FP_PACK_RAW_2_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; \
- } \
+#define _FP_PACK_RAW_2_P(fs, val, X) \
+ do \
+ { \
+ union _FP_UNION_##fs *_FP_PACK_RAW_2_P_flo \
+ = (union _FP_UNION_##fs *) (val); \
+ \
+ _FP_PACK_RAW_2_P_flo->bits.frac0 = X##_f0; \
+ _FP_PACK_RAW_2_P_flo->bits.frac1 = X##_f1; \
+ _FP_PACK_RAW_2_P_flo->bits.exp = X##_e; \
+ _FP_PACK_RAW_2_P_flo->bits.sign = X##_s; \
+ } \
while (0)
#define _FP_MUL_MEAT_DW_2_wide(wfracbits, R, X, Y, doit) \
do \
{ \
- _FP_FRAC_DECL_2 (_b); \
- _FP_FRAC_DECL_2 (_c); \
+ _FP_FRAC_DECL_2 (_FP_MUL_MEAT_DW_2_wide_b); \
+ _FP_FRAC_DECL_2 (_FP_MUL_MEAT_DW_2_wide_c); \
\
- doit (_FP_FRAC_WORD_4 (R, 1), _FP_FRAC_WORD_4 (R, 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 (R, 3), _FP_FRAC_WORD_4 (R, 2), X##_f1, Y##_f1); \
+ doit (_FP_FRAC_WORD_4 (R, 1), _FP_FRAC_WORD_4 (R, 0), \
+ X##_f0, Y##_f0); \
+ doit (_FP_MUL_MEAT_DW_2_wide_b_f1, _FP_MUL_MEAT_DW_2_wide_b_f0, \
+ X##_f0, Y##_f1); \
+ doit (_FP_MUL_MEAT_DW_2_wide_c_f1, _FP_MUL_MEAT_DW_2_wide_c_f0, \
+ X##_f1, Y##_f0); \
+ doit (_FP_FRAC_WORD_4 (R, 3), _FP_FRAC_WORD_4 (R, 2), \
+ X##_f1, Y##_f1); \
\
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_4 (R, 3), _FP_FRAC_WORD_4 (R, 2), \
- _FP_FRAC_WORD_4 (R, 1), 0, _b_f1, _b_f0, \
+ _FP_FRAC_WORD_4 (R, 1), 0, \
+ _FP_MUL_MEAT_DW_2_wide_b_f1, \
+ _FP_MUL_MEAT_DW_2_wide_b_f0, \
_FP_FRAC_WORD_4 (R, 3), _FP_FRAC_WORD_4 (R, 2), \
_FP_FRAC_WORD_4 (R, 1)); \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_4 (R, 3), _FP_FRAC_WORD_4 (R, 2), \
- _FP_FRAC_WORD_4 (R, 1), 0, _c_f1, _c_f0, \
+ _FP_FRAC_WORD_4 (R, 1), 0, \
+ _FP_MUL_MEAT_DW_2_wide_c_f1, \
+ _FP_MUL_MEAT_DW_2_wide_c_f0, \
_FP_FRAC_WORD_4 (R, 3), _FP_FRAC_WORD_4 (R, 2), \
_FP_FRAC_WORD_4 (R, 1)); \
} \
#define _FP_MUL_MEAT_2_wide(wfracbits, R, X, Y, doit) \
do \
{ \
- _FP_FRAC_DECL_4 (_z); \
+ _FP_FRAC_DECL_4 (_FP_MUL_MEAT_2_wide_z); \
\
- _FP_MUL_MEAT_DW_2_wide (wfracbits, _z, X, Y, doit); \
+ _FP_MUL_MEAT_DW_2_wide (wfracbits, _FP_MUL_MEAT_2_wide_z, \
+ X, Y, doit); \
\
/* 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); \
+ _FP_FRAC_SRS_4 (_FP_MUL_MEAT_2_wide_z, wfracbits-1, 2*wfracbits); \
+ R##_f0 = _FP_FRAC_WORD_4 (_FP_MUL_MEAT_2_wide_z, 0); \
+ R##_f1 = _FP_FRAC_WORD_4 (_FP_MUL_MEAT_2_wide_z, 1); \
} \
while (0)
#define _FP_MUL_MEAT_DW_2_wide_3mul(wfracbits, R, X, Y, doit) \
do \
{ \
- _FP_FRAC_DECL_2 (_b); \
- _FP_FRAC_DECL_2 (_c); \
- _FP_W_TYPE _d; \
- int _c1, _c2; \
+ _FP_FRAC_DECL_2 (_FP_MUL_MEAT_DW_2_wide_3mul_b); \
+ _FP_FRAC_DECL_2 (_FP_MUL_MEAT_DW_2_wide_3mul_c); \
+ _FP_W_TYPE _FP_MUL_MEAT_DW_2_wide_3mul_d; \
+ int _FP_MUL_MEAT_DW_2_wide_3mul_c1; \
+ int _FP_MUL_MEAT_DW_2_wide_3mul_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 (R, 0), X##_f0, Y##_f0); \
- doit (_FP_FRAC_WORD_4 (R, 2), _FP_FRAC_WORD_4 (R, 1), _b_f0, _b_f1); \
- doit (_c_f1, _c_f0, X##_f1, Y##_f1); \
+ _FP_MUL_MEAT_DW_2_wide_3mul_b_f0 = X##_f0 + X##_f1; \
+ _FP_MUL_MEAT_DW_2_wide_3mul_c1 \
+ = _FP_MUL_MEAT_DW_2_wide_3mul_b_f0 < X##_f0; \
+ _FP_MUL_MEAT_DW_2_wide_3mul_b_f1 = Y##_f0 + Y##_f1; \
+ _FP_MUL_MEAT_DW_2_wide_3mul_c2 \
+ = _FP_MUL_MEAT_DW_2_wide_3mul_b_f1 < Y##_f0; \
+ doit (_FP_MUL_MEAT_DW_2_wide_3mul_d, _FP_FRAC_WORD_4 (R, 0), \
+ X##_f0, Y##_f0); \
+ doit (_FP_FRAC_WORD_4 (R, 2), _FP_FRAC_WORD_4 (R, 1), \
+ _FP_MUL_MEAT_DW_2_wide_3mul_b_f0, \
+ _FP_MUL_MEAT_DW_2_wide_3mul_b_f1); \
+ doit (_FP_MUL_MEAT_DW_2_wide_3mul_c_f1, \
+ _FP_MUL_MEAT_DW_2_wide_3mul_c_f0, X##_f1, Y##_f1); \
\
- _b_f0 &= -_c2; \
- _b_f1 &= -_c1; \
+ _FP_MUL_MEAT_DW_2_wide_3mul_b_f0 \
+ &= -_FP_MUL_MEAT_DW_2_wide_3mul_c2; \
+ _FP_MUL_MEAT_DW_2_wide_3mul_b_f1 \
+ &= -_FP_MUL_MEAT_DW_2_wide_3mul_c1; \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_4 (R, 3), _FP_FRAC_WORD_4 (R, 2), \
- _FP_FRAC_WORD_4 (R, 1), (_c1 & _c2), 0, _d, \
+ _FP_FRAC_WORD_4 (R, 1), \
+ (_FP_MUL_MEAT_DW_2_wide_3mul_c1 \
+ & _FP_MUL_MEAT_DW_2_wide_3mul_c2), 0, \
+ _FP_MUL_MEAT_DW_2_wide_3mul_d, \
0, _FP_FRAC_WORD_4 (R, 2), _FP_FRAC_WORD_4 (R, 1)); \
__FP_FRAC_ADDI_2 (_FP_FRAC_WORD_4 (R, 3), _FP_FRAC_WORD_4 (R, 2), \
- _b_f0); \
+ _FP_MUL_MEAT_DW_2_wide_3mul_b_f0); \
__FP_FRAC_ADDI_2 (_FP_FRAC_WORD_4 (R, 3), _FP_FRAC_WORD_4 (R, 2), \
- _b_f1); \
+ _FP_MUL_MEAT_DW_2_wide_3mul_b_f1); \
__FP_FRAC_DEC_3 (_FP_FRAC_WORD_4 (R, 3), _FP_FRAC_WORD_4 (R, 2), \
_FP_FRAC_WORD_4 (R, 1), \
- 0, _d, _FP_FRAC_WORD_4 (R, 0)); \
+ 0, _FP_MUL_MEAT_DW_2_wide_3mul_d, \
+ _FP_FRAC_WORD_4 (R, 0)); \
__FP_FRAC_DEC_3 (_FP_FRAC_WORD_4 (R, 3), _FP_FRAC_WORD_4 (R, 2), \
- _FP_FRAC_WORD_4 (R, 1), 0, _c_f1, _c_f0); \
+ _FP_FRAC_WORD_4 (R, 1), 0, \
+ _FP_MUL_MEAT_DW_2_wide_3mul_c_f1, \
+ _FP_MUL_MEAT_DW_2_wide_3mul_c_f0); \
__FP_FRAC_ADD_2 (_FP_FRAC_WORD_4 (R, 3), _FP_FRAC_WORD_4 (R, 2), \
- _c_f1, _c_f0, \
+ _FP_MUL_MEAT_DW_2_wide_3mul_c_f1, \
+ _FP_MUL_MEAT_DW_2_wide_3mul_c_f0, \
_FP_FRAC_WORD_4 (R, 3), _FP_FRAC_WORD_4 (R, 2)); \
} \
while (0)
#define _FP_MUL_MEAT_2_wide_3mul(wfracbits, R, X, Y, doit) \
do \
{ \
- _FP_FRAC_DECL_4 (_z); \
+ _FP_FRAC_DECL_4 (_FP_MUL_MEAT_2_wide_3mul_z); \
\
- _FP_MUL_MEAT_DW_2_wide_3mul (wfracbits, _z, X, Y, doit); \
+ _FP_MUL_MEAT_DW_2_wide_3mul (wfracbits, \
+ _FP_MUL_MEAT_2_wide_3mul_z, \
+ X, Y, doit); \
\
/* 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); \
+ _FP_FRAC_SRS_4 (_FP_MUL_MEAT_2_wide_3mul_z, \
+ wfracbits-1, 2*wfracbits); \
+ R##_f0 = _FP_FRAC_WORD_4 (_FP_MUL_MEAT_2_wide_3mul_z, 0); \
+ R##_f1 = _FP_FRAC_WORD_4 (_FP_MUL_MEAT_2_wide_3mul_z, 1); \
} \
while (0)
#define _FP_MUL_MEAT_DW_2_gmp(wfracbits, R, X, Y) \
do \
{ \
- _FP_W_TYPE _x[2], _y[2]; \
- _x[0] = X##_f0; \
- _x[1] = X##_f1; \
- _y[0] = Y##_f0; \
- _y[1] = Y##_f1; \
+ _FP_W_TYPE _FP_MUL_MEAT_DW_2_gmp_x[2]; \
+ _FP_W_TYPE _FP_MUL_MEAT_DW_2_gmp_y[2]; \
+ _FP_MUL_MEAT_DW_2_gmp_x[0] = X##_f0; \
+ _FP_MUL_MEAT_DW_2_gmp_x[1] = X##_f1; \
+ _FP_MUL_MEAT_DW_2_gmp_y[0] = Y##_f0; \
+ _FP_MUL_MEAT_DW_2_gmp_y[1] = Y##_f1; \
\
- mpn_mul_n (R##_f, _x, _y, 2); \
+ mpn_mul_n (R##_f, _FP_MUL_MEAT_DW_2_gmp_x, \
+ _FP_MUL_MEAT_DW_2_gmp_y, 2); \
} \
while (0)
#define _FP_MUL_MEAT_2_gmp(wfracbits, R, X, Y) \
do \
{ \
- _FP_FRAC_DECL_4 (_z); \
+ _FP_FRAC_DECL_4 (_FP_MUL_MEAT_2_gmp_z); \
\
- _FP_MUL_MEAT_DW_2_gmp (wfracbits, _z, X, Y); \
+ _FP_MUL_MEAT_DW_2_gmp (wfracbits, _FP_MUL_MEAT_2_gmp_z, X, Y); \
\
/* 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]; \
+ _FP_FRAC_SRS_4 (_FP_MUL_MEAT_2_gmp_z, wfracbits-1, 2*wfracbits); \
+ R##_f0 = _FP_MUL_MEAT_2_gmp_z_f[0]; \
+ R##_f1 = _FP_MUL_MEAT_2_gmp_z_f[1]; \
} \
while (0)
#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; \
+ _FP_W_TYPE _FP_DIV_MEAT_2_udiv_n_f2; \
+ _FP_W_TYPE _FP_DIV_MEAT_2_udiv_n_f1; \
+ _FP_W_TYPE _FP_DIV_MEAT_2_udiv_n_f0; \
+ _FP_W_TYPE _FP_DIV_MEAT_2_udiv_r_f1; \
+ _FP_W_TYPE _FP_DIV_MEAT_2_udiv_r_f0; \
+ _FP_W_TYPE _FP_DIV_MEAT_2_udiv_m_f1; \
+ _FP_W_TYPE _FP_DIV_MEAT_2_udiv_m_f0; \
if (_FP_FRAC_GE_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); \
+ _FP_DIV_MEAT_2_udiv_n_f2 = X##_f1 >> 1; \
+ _FP_DIV_MEAT_2_udiv_n_f1 \
+ = X##_f1 << (_FP_W_TYPE_SIZE - 1) | X##_f0 >> 1; \
+ _FP_DIV_MEAT_2_udiv_n_f0 \
+ = X##_f0 << (_FP_W_TYPE_SIZE - 1); \
} \
else \
{ \
R##_e--; \
- _n_f2 = X##_f1; \
- _n_f1 = X##_f0; \
- _n_f0 = 0; \
+ _FP_DIV_MEAT_2_udiv_n_f2 = X##_f1; \
+ _FP_DIV_MEAT_2_udiv_n_f1 = X##_f0; \
+ _FP_DIV_MEAT_2_udiv_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)) \
+ udiv_qrnnd (R##_f1, _FP_DIV_MEAT_2_udiv_r_f1, \
+ _FP_DIV_MEAT_2_udiv_n_f2, _FP_DIV_MEAT_2_udiv_n_f1, \
+ Y##_f1); \
+ umul_ppmm (_FP_DIV_MEAT_2_udiv_m_f1, _FP_DIV_MEAT_2_udiv_m_f0, \
+ R##_f1, Y##_f0); \
+ _FP_DIV_MEAT_2_udiv_r_f0 = _FP_DIV_MEAT_2_udiv_n_f0; \
+ if (_FP_FRAC_GT_2 (_FP_DIV_MEAT_2_udiv_m, _FP_DIV_MEAT_2_udiv_r)) \
{ \
R##_f1--; \
- _FP_FRAC_ADD_2 (_r, Y, _r); \
- if (_FP_FRAC_GE_2 (_r, Y) && _FP_FRAC_GT_2 (_m, _r)) \
+ _FP_FRAC_ADD_2 (_FP_DIV_MEAT_2_udiv_r, Y, \
+ _FP_DIV_MEAT_2_udiv_r); \
+ if (_FP_FRAC_GE_2 (_FP_DIV_MEAT_2_udiv_r, Y) \
+ && _FP_FRAC_GT_2 (_FP_DIV_MEAT_2_udiv_m, \
+ _FP_DIV_MEAT_2_udiv_r)) \
{ \
R##_f1--; \
- _FP_FRAC_ADD_2 (_r, Y, _r); \
+ _FP_FRAC_ADD_2 (_FP_DIV_MEAT_2_udiv_r, Y, \
+ _FP_DIV_MEAT_2_udiv_r); \
} \
} \
- _FP_FRAC_DEC_2 (_r, _m); \
+ _FP_FRAC_DEC_2 (_FP_DIV_MEAT_2_udiv_r, _FP_DIV_MEAT_2_udiv_m); \
\
- if (_r_f1 == Y##_f1) \
+ if (_FP_DIV_MEAT_2_udiv_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 */ \
+ (_FP_DIV_MEAT_2_udiv_r/Y##_f1 would not fit into UWtype). \
+ As _FP_DIV_MEAT_2_udiv_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)) \
+ udiv_qrnnd (R##_f0, _FP_DIV_MEAT_2_udiv_r_f1, \
+ _FP_DIV_MEAT_2_udiv_r_f1, \
+ _FP_DIV_MEAT_2_udiv_r_f0, Y##_f1); \
+ umul_ppmm (_FP_DIV_MEAT_2_udiv_m_f1, \
+ _FP_DIV_MEAT_2_udiv_m_f0, R##_f0, Y##_f0); \
+ _FP_DIV_MEAT_2_udiv_r_f0 = 0; \
+ if (_FP_FRAC_GT_2 (_FP_DIV_MEAT_2_udiv_m, \
+ _FP_DIV_MEAT_2_udiv_r)) \
{ \
R##_f0--; \
- _FP_FRAC_ADD_2 (_r, Y, _r); \
- if (_FP_FRAC_GE_2 (_r, Y) && _FP_FRAC_GT_2 (_m, _r)) \
+ _FP_FRAC_ADD_2 (_FP_DIV_MEAT_2_udiv_r, Y, \
+ _FP_DIV_MEAT_2_udiv_r); \
+ if (_FP_FRAC_GE_2 (_FP_DIV_MEAT_2_udiv_r, Y) \
+ && _FP_FRAC_GT_2 (_FP_DIV_MEAT_2_udiv_m, \
+ _FP_DIV_MEAT_2_udiv_r)) \
{ \
R##_f0--; \
- _FP_FRAC_ADD_2 (_r, Y, _r); \
+ _FP_FRAC_ADD_2 (_FP_DIV_MEAT_2_udiv_r, Y, \
+ _FP_DIV_MEAT_2_udiv_r); \
} \
} \
- if (!_FP_FRAC_EQ_2 (_r, _m)) \
+ if (!_FP_FRAC_EQ_2 (_FP_DIV_MEAT_2_udiv_r, \
+ _FP_DIV_MEAT_2_udiv_m)) \
R##_f0 |= _FP_WORK_STICKY; \
} \
} \
#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; \
- } \
+#define _FP_FRAC_SLL_4(X, N) \
+ do \
+ { \
+ _FP_I_TYPE _FP_FRAC_SLL_4_up, _FP_FRAC_SLL_4_down; \
+ _FP_I_TYPE _FP_FRAC_SLL_4_skip, _FP_FRAC_SLL_4_i; \
+ _FP_FRAC_SLL_4_skip = (N) / _FP_W_TYPE_SIZE; \
+ _FP_FRAC_SLL_4_up = (N) % _FP_W_TYPE_SIZE; \
+ _FP_FRAC_SLL_4_down = _FP_W_TYPE_SIZE - _FP_FRAC_SLL_4_up; \
+ if (!_FP_FRAC_SLL_4_up) \
+ for (_FP_FRAC_SLL_4_i = 3; \
+ _FP_FRAC_SLL_4_i >= _FP_FRAC_SLL_4_skip; \
+ --_FP_FRAC_SLL_4_i) \
+ X##_f[_FP_FRAC_SLL_4_i] \
+ = X##_f[_FP_FRAC_SLL_4_i-_FP_FRAC_SLL_4_skip]; \
+ else \
+ { \
+ for (_FP_FRAC_SLL_4_i = 3; \
+ _FP_FRAC_SLL_4_i > _FP_FRAC_SLL_4_skip; \
+ --_FP_FRAC_SLL_4_i) \
+ X##_f[_FP_FRAC_SLL_4_i] \
+ = ((X##_f[_FP_FRAC_SLL_4_i-_FP_FRAC_SLL_4_skip] \
+ << _FP_FRAC_SLL_4_up) \
+ | (X##_f[_FP_FRAC_SLL_4_i-_FP_FRAC_SLL_4_skip-1] \
+ >> _FP_FRAC_SLL_4_down)); \
+ X##_f[_FP_FRAC_SLL_4_i--] = X##_f[0] << _FP_FRAC_SLL_4_up; \
+ } \
+ for (; _FP_FRAC_SLL_4_i >= 0; --_FP_FRAC_SLL_4_i) \
+ X##_f[_FP_FRAC_SLL_4_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; \
- } \
+#define _FP_FRAC_SRL_4(X, N) \
+ do \
+ { \
+ _FP_I_TYPE _FP_FRAC_SRL_4_up, _FP_FRAC_SRL_4_down; \
+ _FP_I_TYPE _FP_FRAC_SRL_4_skip, _FP_FRAC_SRL_4_i; \
+ _FP_FRAC_SRL_4_skip = (N) / _FP_W_TYPE_SIZE; \
+ _FP_FRAC_SRL_4_down = (N) % _FP_W_TYPE_SIZE; \
+ _FP_FRAC_SRL_4_up = _FP_W_TYPE_SIZE - _FP_FRAC_SRL_4_down; \
+ if (!_FP_FRAC_SRL_4_down) \
+ for (_FP_FRAC_SRL_4_i = 0; \
+ _FP_FRAC_SRL_4_i <= 3-_FP_FRAC_SRL_4_skip; \
+ ++_FP_FRAC_SRL_4_i) \
+ X##_f[_FP_FRAC_SRL_4_i] \
+ = X##_f[_FP_FRAC_SRL_4_i+_FP_FRAC_SRL_4_skip]; \
+ else \
+ { \
+ for (_FP_FRAC_SRL_4_i = 0; \
+ _FP_FRAC_SRL_4_i < 3-_FP_FRAC_SRL_4_skip; \
+ ++_FP_FRAC_SRL_4_i) \
+ X##_f[_FP_FRAC_SRL_4_i] \
+ = ((X##_f[_FP_FRAC_SRL_4_i+_FP_FRAC_SRL_4_skip] \
+ >> _FP_FRAC_SRL_4_down) \
+ | (X##_f[_FP_FRAC_SRL_4_i+_FP_FRAC_SRL_4_skip+1] \
+ << _FP_FRAC_SRL_4_up)); \
+ X##_f[_FP_FRAC_SRL_4_i++] = X##_f[3] >> _FP_FRAC_SRL_4_down; \
+ } \
+ for (; _FP_FRAC_SRL_4_i < 4; ++_FP_FRAC_SRL_4_i) \
+ X##_f[_FP_FRAC_SRL_4_i] = 0; \
+ } \
while (0)
* 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_SRST_4(X, S, 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]; \
- if (!_down) \
- for (_i = 0; _i <= 3-_skip; ++_i) \
- X##_f[_i] = X##_f[_i+_skip]; \
- else \
- { \
- _s |= X##_f[_i] << _up; \
- 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; \
- S = (_s != 0); \
- } \
+#define _FP_FRAC_SRST_4(X, S, N, size) \
+ do \
+ { \
+ _FP_I_TYPE _FP_FRAC_SRST_4_up, _FP_FRAC_SRST_4_down; \
+ _FP_I_TYPE _FP_FRAC_SRST_4_skip, _FP_FRAC_SRST_4_i; \
+ _FP_W_TYPE _FP_FRAC_SRST_4_s; \
+ _FP_FRAC_SRST_4_skip = (N) / _FP_W_TYPE_SIZE; \
+ _FP_FRAC_SRST_4_down = (N) % _FP_W_TYPE_SIZE; \
+ _FP_FRAC_SRST_4_up = _FP_W_TYPE_SIZE - _FP_FRAC_SRST_4_down; \
+ for (_FP_FRAC_SRST_4_s = _FP_FRAC_SRST_4_i = 0; \
+ _FP_FRAC_SRST_4_i < _FP_FRAC_SRST_4_skip; \
+ ++_FP_FRAC_SRST_4_i) \
+ _FP_FRAC_SRST_4_s |= X##_f[_FP_FRAC_SRST_4_i]; \
+ if (!_FP_FRAC_SRST_4_down) \
+ for (_FP_FRAC_SRST_4_i = 0; \
+ _FP_FRAC_SRST_4_i <= 3-_FP_FRAC_SRST_4_skip; \
+ ++_FP_FRAC_SRST_4_i) \
+ X##_f[_FP_FRAC_SRST_4_i] \
+ = X##_f[_FP_FRAC_SRST_4_i+_FP_FRAC_SRST_4_skip]; \
+ else \
+ { \
+ _FP_FRAC_SRST_4_s \
+ |= X##_f[_FP_FRAC_SRST_4_i] << _FP_FRAC_SRST_4_up; \
+ for (_FP_FRAC_SRST_4_i = 0; \
+ _FP_FRAC_SRST_4_i < 3-_FP_FRAC_SRST_4_skip; \
+ ++_FP_FRAC_SRST_4_i) \
+ X##_f[_FP_FRAC_SRST_4_i] \
+ = ((X##_f[_FP_FRAC_SRST_4_i+_FP_FRAC_SRST_4_skip] \
+ >> _FP_FRAC_SRST_4_down) \
+ | (X##_f[_FP_FRAC_SRST_4_i+_FP_FRAC_SRST_4_skip+1] \
+ << _FP_FRAC_SRST_4_up)); \
+ X##_f[_FP_FRAC_SRST_4_i++] \
+ = X##_f[3] >> _FP_FRAC_SRST_4_down; \
+ } \
+ for (; _FP_FRAC_SRST_4_i < 4; ++_FP_FRAC_SRST_4_i) \
+ X##_f[_FP_FRAC_SRST_4_i] = 0; \
+ S = (_FP_FRAC_SRST_4_s != 0); \
+ } \
while (0)
-#define _FP_FRAC_SRS_4(X, N, size) \
- do \
- { \
- int _sticky; \
- _FP_FRAC_SRST_4 (X, _sticky, N, size); \
- X##_f[0] |= _sticky; \
- } \
+#define _FP_FRAC_SRS_4(X, N, size) \
+ do \
+ { \
+ int _FP_FRAC_SRS_4_sticky; \
+ _FP_FRAC_SRST_4 (X, _FP_FRAC_SRS_4_sticky, N, size); \
+ X##_f[0] |= _FP_FRAC_SRS_4_sticky; \
+ } \
while (0)
#define _FP_FRAC_ADD_4(R, X, Y) \
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; \
- } \
+#define _FP_UNPACK_RAW_4(fs, X, val) \
+ do \
+ { \
+ union _FP_UNION_##fs _FP_UNPACK_RAW_4_flo; \
+ _FP_UNPACK_RAW_4_flo.flt = (val); \
+ X##_f[0] = _FP_UNPACK_RAW_4_flo.bits.frac0; \
+ X##_f[1] = _FP_UNPACK_RAW_4_flo.bits.frac1; \
+ X##_f[2] = _FP_UNPACK_RAW_4_flo.bits.frac2; \
+ X##_f[3] = _FP_UNPACK_RAW_4_flo.bits.frac3; \
+ X##_e = _FP_UNPACK_RAW_4_flo.bits.exp; \
+ X##_s = _FP_UNPACK_RAW_4_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; \
- } \
+#define _FP_UNPACK_RAW_4_P(fs, X, val) \
+ do \
+ { \
+ union _FP_UNION_##fs *_FP_UNPACK_RAW_4_P_flo \
+ = (union _FP_UNION_##fs *) (val); \
+ \
+ X##_f[0] = _FP_UNPACK_RAW_4_P_flo->bits.frac0; \
+ X##_f[1] = _FP_UNPACK_RAW_4_P_flo->bits.frac1; \
+ X##_f[2] = _FP_UNPACK_RAW_4_P_flo->bits.frac2; \
+ X##_f[3] = _FP_UNPACK_RAW_4_P_flo->bits.frac3; \
+ X##_e = _FP_UNPACK_RAW_4_P_flo->bits.exp; \
+ X##_s = _FP_UNPACK_RAW_4_P_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; \
+ union _FP_UNION_##fs _FP_PACK_RAW_4_flo; \
+ _FP_PACK_RAW_4_flo.bits.frac0 = X##_f[0]; \
+ _FP_PACK_RAW_4_flo.bits.frac1 = X##_f[1]; \
+ _FP_PACK_RAW_4_flo.bits.frac2 = X##_f[2]; \
+ _FP_PACK_RAW_4_flo.bits.frac3 = X##_f[3]; \
+ _FP_PACK_RAW_4_flo.bits.exp = X##_e; \
+ _FP_PACK_RAW_4_flo.bits.sign = X##_s; \
+ (val) = _FP_PACK_RAW_4_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; \
- } \
+#define _FP_PACK_RAW_4_P(fs, val, X) \
+ do \
+ { \
+ union _FP_UNION_##fs *_FP_PACK_RAW_4_P_flo \
+ = (union _FP_UNION_##fs *) (val); \
+ \
+ _FP_PACK_RAW_4_P_flo->bits.frac0 = X##_f[0]; \
+ _FP_PACK_RAW_4_P_flo->bits.frac1 = X##_f[1]; \
+ _FP_PACK_RAW_4_P_flo->bits.frac2 = X##_f[2]; \
+ _FP_PACK_RAW_4_P_flo->bits.frac3 = X##_f[3]; \
+ _FP_PACK_RAW_4_P_flo->bits.exp = X##_e; \
+ _FP_PACK_RAW_4_P_flo->bits.sign = X##_s; \
+ } \
while (0)
/*
#define _FP_MUL_MEAT_DW_4_wide(wfracbits, R, X, Y, doit) \
do \
{ \
- _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); \
+ _FP_FRAC_DECL_2 (_FP_MUL_MEAT_DW_4_wide_b); \
+ _FP_FRAC_DECL_2 (_FP_MUL_MEAT_DW_4_wide_c); \
+ _FP_FRAC_DECL_2 (_FP_MUL_MEAT_DW_4_wide_d); \
+ _FP_FRAC_DECL_2 (_FP_MUL_MEAT_DW_4_wide_e); \
+ _FP_FRAC_DECL_2 (_FP_MUL_MEAT_DW_4_wide_f); \
\
- doit (_FP_FRAC_WORD_8 (R, 1), _FP_FRAC_WORD_8 (R, 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]); \
+ doit (_FP_FRAC_WORD_8 (R, 1), _FP_FRAC_WORD_8 (R, 0), \
+ X##_f[0], Y##_f[0]); \
+ doit (_FP_MUL_MEAT_DW_4_wide_b_f1, _FP_MUL_MEAT_DW_4_wide_b_f0, \
+ X##_f[0], Y##_f[1]); \
+ doit (_FP_MUL_MEAT_DW_4_wide_c_f1, _FP_MUL_MEAT_DW_4_wide_c_f0, \
+ X##_f[1], Y##_f[0]); \
+ doit (_FP_MUL_MEAT_DW_4_wide_d_f1, _FP_MUL_MEAT_DW_4_wide_d_f0, \
+ X##_f[1], Y##_f[1]); \
+ doit (_FP_MUL_MEAT_DW_4_wide_e_f1, _FP_MUL_MEAT_DW_4_wide_e_f0, \
+ X##_f[0], Y##_f[2]); \
+ doit (_FP_MUL_MEAT_DW_4_wide_f_f1, _FP_MUL_MEAT_DW_4_wide_f_f0, \
+ X##_f[2], Y##_f[0]); \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_8 (R, 3), _FP_FRAC_WORD_8 (R, 2), \
- _FP_FRAC_WORD_8 (R, 1), 0, _b_f1, _b_f0, \
+ _FP_FRAC_WORD_8 (R, 1), 0, \
+ _FP_MUL_MEAT_DW_4_wide_b_f1, \
+ _FP_MUL_MEAT_DW_4_wide_b_f0, \
0, 0, _FP_FRAC_WORD_8 (R, 1)); \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_8 (R, 3), _FP_FRAC_WORD_8 (R, 2), \
- _FP_FRAC_WORD_8 (R, 1), 0, _c_f1, _c_f0, \
+ _FP_FRAC_WORD_8 (R, 1), 0, \
+ _FP_MUL_MEAT_DW_4_wide_c_f1, \
+ _FP_MUL_MEAT_DW_4_wide_c_f0, \
_FP_FRAC_WORD_8 (R, 3), _FP_FRAC_WORD_8 (R, 2), \
_FP_FRAC_WORD_8 (R, 1)); \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_8 (R, 4), _FP_FRAC_WORD_8 (R, 3), \
- _FP_FRAC_WORD_8 (R, 2), 0, _d_f1, _d_f0, \
+ _FP_FRAC_WORD_8 (R, 2), 0, \
+ _FP_MUL_MEAT_DW_4_wide_d_f1, \
+ _FP_MUL_MEAT_DW_4_wide_d_f0, \
0, _FP_FRAC_WORD_8 (R, 3), _FP_FRAC_WORD_8 (R, 2)); \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_8 (R, 4), _FP_FRAC_WORD_8 (R, 3), \
- _FP_FRAC_WORD_8 (R, 2), 0, _e_f1, _e_f0, \
+ _FP_FRAC_WORD_8 (R, 2), 0, \
+ _FP_MUL_MEAT_DW_4_wide_e_f1, \
+ _FP_MUL_MEAT_DW_4_wide_e_f0, \
_FP_FRAC_WORD_8 (R, 4), _FP_FRAC_WORD_8 (R, 3), \
_FP_FRAC_WORD_8 (R, 2)); \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_8 (R, 4), _FP_FRAC_WORD_8 (R, 3), \
- _FP_FRAC_WORD_8 (R, 2), 0, _f_f1, _f_f0, \
+ _FP_FRAC_WORD_8 (R, 2), 0, \
+ _FP_MUL_MEAT_DW_4_wide_f_f1, \
+ _FP_MUL_MEAT_DW_4_wide_f_f0, \
_FP_FRAC_WORD_8 (R, 4), _FP_FRAC_WORD_8 (R, 3), \
_FP_FRAC_WORD_8 (R, 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]); \
+ doit (_FP_MUL_MEAT_DW_4_wide_b_f1, \
+ _FP_MUL_MEAT_DW_4_wide_b_f0, X##_f[0], Y##_f[3]); \
+ doit (_FP_MUL_MEAT_DW_4_wide_c_f1, \
+ _FP_MUL_MEAT_DW_4_wide_c_f0, X##_f[3], Y##_f[0]); \
+ doit (_FP_MUL_MEAT_DW_4_wide_d_f1, _FP_MUL_MEAT_DW_4_wide_d_f0, \
+ X##_f[1], Y##_f[2]); \
+ doit (_FP_MUL_MEAT_DW_4_wide_e_f1, _FP_MUL_MEAT_DW_4_wide_e_f0, \
+ X##_f[2], Y##_f[1]); \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_8 (R, 5), _FP_FRAC_WORD_8 (R, 4), \
- _FP_FRAC_WORD_8 (R, 3), 0, _b_f1, _b_f0, \
+ _FP_FRAC_WORD_8 (R, 3), 0, \
+ _FP_MUL_MEAT_DW_4_wide_b_f1, \
+ _FP_MUL_MEAT_DW_4_wide_b_f0, \
0, _FP_FRAC_WORD_8 (R, 4), _FP_FRAC_WORD_8 (R, 3)); \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_8 (R, 5), _FP_FRAC_WORD_8 (R, 4), \
- _FP_FRAC_WORD_8 (R, 3), 0, _c_f1, _c_f0, \
+ _FP_FRAC_WORD_8 (R, 3), 0, \
+ _FP_MUL_MEAT_DW_4_wide_c_f1, \
+ _FP_MUL_MEAT_DW_4_wide_c_f0, \
_FP_FRAC_WORD_8 (R, 5), _FP_FRAC_WORD_8 (R, 4), \
_FP_FRAC_WORD_8 (R, 3)); \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_8 (R, 5), _FP_FRAC_WORD_8 (R, 4), \
- _FP_FRAC_WORD_8 (R, 3), 0, _d_f1, _d_f0, \
+ _FP_FRAC_WORD_8 (R, 3), 0, \
+ _FP_MUL_MEAT_DW_4_wide_d_f1, \
+ _FP_MUL_MEAT_DW_4_wide_d_f0, \
_FP_FRAC_WORD_8 (R, 5), _FP_FRAC_WORD_8 (R, 4), \
_FP_FRAC_WORD_8 (R, 3)); \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_8 (R, 5), _FP_FRAC_WORD_8 (R, 4), \
- _FP_FRAC_WORD_8 (R, 3), 0, _e_f1, _e_f0, \
+ _FP_FRAC_WORD_8 (R, 3), 0, \
+ _FP_MUL_MEAT_DW_4_wide_e_f1, \
+ _FP_MUL_MEAT_DW_4_wide_e_f0, \
_FP_FRAC_WORD_8 (R, 5), _FP_FRAC_WORD_8 (R, 4), \
_FP_FRAC_WORD_8 (R, 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]); \
+ doit (_FP_MUL_MEAT_DW_4_wide_b_f1, _FP_MUL_MEAT_DW_4_wide_b_f0, \
+ X##_f[2], Y##_f[2]); \
+ doit (_FP_MUL_MEAT_DW_4_wide_c_f1, _FP_MUL_MEAT_DW_4_wide_c_f0, \
+ X##_f[1], Y##_f[3]); \
+ doit (_FP_MUL_MEAT_DW_4_wide_d_f1, _FP_MUL_MEAT_DW_4_wide_d_f0, \
+ X##_f[3], Y##_f[1]); \
+ doit (_FP_MUL_MEAT_DW_4_wide_e_f1, _FP_MUL_MEAT_DW_4_wide_e_f0, \
+ X##_f[2], Y##_f[3]); \
+ doit (_FP_MUL_MEAT_DW_4_wide_f_f1, _FP_MUL_MEAT_DW_4_wide_f_f0, \
+ X##_f[3], Y##_f[2]); \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_8 (R, 6), _FP_FRAC_WORD_8 (R, 5), \
- _FP_FRAC_WORD_8 (R, 4), 0, _b_f1, _b_f0, \
+ _FP_FRAC_WORD_8 (R, 4), 0, \
+ _FP_MUL_MEAT_DW_4_wide_b_f1, \
+ _FP_MUL_MEAT_DW_4_wide_b_f0, \
0, _FP_FRAC_WORD_8 (R, 5), _FP_FRAC_WORD_8 (R, 4)); \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_8 (R, 6), _FP_FRAC_WORD_8 (R, 5), \
- _FP_FRAC_WORD_8 (R, 4), 0, _c_f1, _c_f0, \
+ _FP_FRAC_WORD_8 (R, 4), 0, \
+ _FP_MUL_MEAT_DW_4_wide_c_f1, \
+ _FP_MUL_MEAT_DW_4_wide_c_f0, \
_FP_FRAC_WORD_8 (R, 6), _FP_FRAC_WORD_8 (R, 5), \
_FP_FRAC_WORD_8 (R, 4)); \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_8 (R, 6), _FP_FRAC_WORD_8 (R, 5), \
- _FP_FRAC_WORD_8 (R, 4), 0, _d_f1, _d_f0, \
+ _FP_FRAC_WORD_8 (R, 4), 0, \
+ _FP_MUL_MEAT_DW_4_wide_d_f1, \
+ _FP_MUL_MEAT_DW_4_wide_d_f0, \
_FP_FRAC_WORD_8 (R, 6), _FP_FRAC_WORD_8 (R, 5), \
_FP_FRAC_WORD_8 (R, 4)); \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_8 (R, 7), _FP_FRAC_WORD_8 (R, 6), \
- _FP_FRAC_WORD_8 (R, 5), 0, _e_f1, _e_f0, \
+ _FP_FRAC_WORD_8 (R, 5), 0, \
+ _FP_MUL_MEAT_DW_4_wide_e_f1, \
+ _FP_MUL_MEAT_DW_4_wide_e_f0, \
0, _FP_FRAC_WORD_8 (R, 6), _FP_FRAC_WORD_8 (R, 5)); \
__FP_FRAC_ADD_3 (_FP_FRAC_WORD_8 (R, 7), _FP_FRAC_WORD_8 (R, 6), \
- _FP_FRAC_WORD_8 (R, 5), 0, _f_f1, _f_f0, \
+ _FP_FRAC_WORD_8 (R, 5), 0, \
+ _FP_MUL_MEAT_DW_4_wide_f_f1, \
+ _FP_MUL_MEAT_DW_4_wide_f_f0, \
_FP_FRAC_WORD_8 (R, 7), _FP_FRAC_WORD_8 (R, 6), \
_FP_FRAC_WORD_8 (R, 5)); \
- doit (_b_f1, _b_f0, X##_f[3], Y##_f[3]); \
+ doit (_FP_MUL_MEAT_DW_4_wide_b_f1, _FP_MUL_MEAT_DW_4_wide_b_f0, \
+ X##_f[3], Y##_f[3]); \
__FP_FRAC_ADD_2 (_FP_FRAC_WORD_8 (R, 7), _FP_FRAC_WORD_8 (R, 6), \
- _b_f1, _b_f0, \
+ _FP_MUL_MEAT_DW_4_wide_b_f1, \
+ _FP_MUL_MEAT_DW_4_wide_b_f0, \
_FP_FRAC_WORD_8 (R, 7), _FP_FRAC_WORD_8 (R, 6)); \
} \
while (0)
#define _FP_MUL_MEAT_4_wide(wfracbits, R, X, Y, doit) \
do \
{ \
- _FP_FRAC_DECL_8 (_z); \
+ _FP_FRAC_DECL_8 (_FP_MUL_MEAT_4_wide_z); \
\
- _FP_MUL_MEAT_DW_4_wide (wfracbits, _z, X, Y, doit); \
+ _FP_MUL_MEAT_DW_4_wide (wfracbits, _FP_MUL_MEAT_4_wide_z, \
+ X, Y, doit); \
\
/* 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)); \
+ _FP_FRAC_SRS_8 (_FP_MUL_MEAT_4_wide_z, wfracbits-1, 2*wfracbits); \
+ __FP_FRAC_SET_4 (R, _FP_FRAC_WORD_8 (_FP_MUL_MEAT_4_wide_z, 3), \
+ _FP_FRAC_WORD_8 (_FP_MUL_MEAT_4_wide_z, 2), \
+ _FP_FRAC_WORD_8 (_FP_MUL_MEAT_4_wide_z, 1), \
+ _FP_FRAC_WORD_8 (_FP_MUL_MEAT_4_wide_z, 0)); \
} \
while (0)
#define _FP_MUL_MEAT_4_gmp(wfracbits, R, X, Y) \
do \
{ \
- _FP_FRAC_DECL_8 (_z); \
+ _FP_FRAC_DECL_8 (_FP_MUL_MEAT_4_gmp_z); \
\
- _FP_MUL_MEAT_DW_4_gmp (wfracbits, _z, X, Y); \
+ _FP_MUL_MEAT_DW_4_gmp (wfracbits, _FP_MUL_MEAT_4_gmp_z, X, Y); \
\
/* 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)); \
+ _FP_FRAC_SRS_8 (_FP_MUL_MEAT_4_gmp_z, wfracbits-1, 2*wfracbits); \
+ __FP_FRAC_SET_4 (R, _FP_FRAC_WORD_8 (_FP_MUL_MEAT_4_gmp_z, 3), \
+ _FP_FRAC_WORD_8 (_FP_MUL_MEAT_4_gmp_z, 2), \
+ _FP_FRAC_WORD_8 (_FP_MUL_MEAT_4_gmp_z, 1), \
+ _FP_FRAC_WORD_8 (_FP_MUL_MEAT_4_gmp_z, 0)); \
} \
while (0)
#define umul_ppppmnnn(p3, p2, p1, p0, m, n2, n1, n0) \
do \
{ \
- UWtype _t; \
+ UWtype umul_ppppmnnn_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); \
+ umul_ppmm (p2, umul_ppppmnnn_t, m, n1); \
+ __FP_FRAC_ADDI_2 (p2, p1, umul_ppppmnnn_t); \
+ umul_ppmm (p3, umul_ppppmnnn_t, m, n2); \
+ __FP_FRAC_ADDI_2 (p3, p2, umul_ppppmnnn_t); \
} \
while (0)
#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); \
+ int _FP_DIV_MEAT_4_udiv_i; \
+ _FP_FRAC_DECL_4 (_FP_DIV_MEAT_4_udiv_n); \
+ _FP_FRAC_DECL_4 (_FP_DIV_MEAT_4_udiv_m); \
+ _FP_FRAC_SET_4 (_FP_DIV_MEAT_4_udiv_n, _FP_ZEROFRAC_4); \
if (_FP_FRAC_GE_4 (X, Y)) \
{ \
- _n_f[3] = X##_f[0] << (_FP_W_TYPE_SIZE - 1); \
+ _FP_DIV_MEAT_4_udiv_n_f[3] \
+ = X##_f[0] << (_FP_W_TYPE_SIZE - 1); \
_FP_FRAC_SRL_4 (X, 1); \
} \
else \
denominator set. */ \
_FP_FRAC_SLL_4 (Y, _FP_WFRACXBITS_##fs); \
\
- for (_i = 3; ; _i--) \
+ for (_FP_DIV_MEAT_4_udiv_i = 3; ; _FP_DIV_MEAT_4_udiv_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 \
+ As X## is guaranteed to be < Y, \
+ R##_f[_FP_DIV_MEAT_4_udiv_i] can be either \
(UWtype)-1 or (UWtype)-2. */ \
- R##_f[_i] = -1; \
- if (!_i) \
+ R##_f[_FP_DIV_MEAT_4_udiv_i] = -1; \
+ if (!_FP_DIV_MEAT_4_udiv_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]); \
+ X##_f[2], X##_f[1], X##_f[0], \
+ _FP_DIV_MEAT_4_udiv_n_f[_FP_DIV_MEAT_4_udiv_i]); \
_FP_FRAC_SUB_4 (X, Y, X); \
if (X##_f[3] > Y##_f[3]) \
{ \
- R##_f[_i] = -2; \
+ R##_f[_FP_DIV_MEAT_4_udiv_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]); \
+ udiv_qrnnd (R##_f[_FP_DIV_MEAT_4_udiv_i], \
+ X##_f[3], X##_f[3], X##_f[2], Y##_f[3]); \
+ umul_ppppmnnn (_FP_DIV_MEAT_4_udiv_m_f[3], \
+ _FP_DIV_MEAT_4_udiv_m_f[2], \
+ _FP_DIV_MEAT_4_udiv_m_f[1], \
+ _FP_DIV_MEAT_4_udiv_m_f[0], \
+ R##_f[_FP_DIV_MEAT_4_udiv_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)) \
+ X##_f[0] \
+ = _FP_DIV_MEAT_4_udiv_n_f[_FP_DIV_MEAT_4_udiv_i]; \
+ if (_FP_FRAC_GT_4 (_FP_DIV_MEAT_4_udiv_m, X)) \
{ \
- R##_f[_i]--; \
+ R##_f[_FP_DIV_MEAT_4_udiv_i]--; \
_FP_FRAC_ADD_4 (X, Y, X); \
- if (_FP_FRAC_GE_4 (X, Y) && _FP_FRAC_GT_4 (_m, X)) \
+ if (_FP_FRAC_GE_4 (X, Y) \
+ && _FP_FRAC_GT_4 (_FP_DIV_MEAT_4_udiv_m, X)) \
{ \
- R##_f[_i]--; \
+ R##_f[_FP_DIV_MEAT_4_udiv_i]--; \
_FP_FRAC_ADD_4 (X, Y, X); \
} \
} \
- _FP_FRAC_DEC_4 (X, _m); \
- if (!_i) \
+ _FP_FRAC_DEC_4 (X, _FP_DIV_MEAT_4_udiv_m); \
+ if (!_FP_DIV_MEAT_4_udiv_i) \
{ \
- if (!_FP_FRAC_EQ_4 (X, _m)) \
+ if (!_FP_FRAC_EQ_4 (X, _FP_DIV_MEAT_4_udiv_m)) \
R##_f[0] |= _FP_WORK_STICKY; \
break; \
} \
# define __FP_FRAC_ADD_4(r3, r2, r1, r0, x3, x2, x1, x0, y3, y2, y1, y0) \
do \
{ \
- _FP_W_TYPE _c1, _c2, _c3; \
+ _FP_W_TYPE __FP_FRAC_ADD_4_c1, __FP_FRAC_ADD_4_c2; \
+ _FP_W_TYPE __FP_FRAC_ADD_4_c3; \
r0 = x0 + y0; \
- _c1 = r0 < x0; \
+ __FP_FRAC_ADD_4_c1 = r0 < x0; \
r1 = x1 + y1; \
- _c2 = r1 < x1; \
- r1 += _c1; \
- _c2 |= r1 < _c1; \
+ __FP_FRAC_ADD_4_c2 = r1 < x1; \
+ r1 += __FP_FRAC_ADD_4_c1; \
+ __FP_FRAC_ADD_4_c2 |= r1 < __FP_FRAC_ADD_4_c1; \
r2 = x2 + y2; \
- _c3 = r2 < x2; \
- r2 += _c2; \
- _c3 |= r2 < _c2; \
- r3 = x3 + y3 + _c3; \
+ __FP_FRAC_ADD_4_c3 = r2 < x2; \
+ r2 += __FP_FRAC_ADD_4_c2; \
+ __FP_FRAC_ADD_4_c3 |= r2 < __FP_FRAC_ADD_4_c2; \
+ r3 = x3 + y3 + __FP_FRAC_ADD_4_c3; \
} \
while (0)
#endif
# define __FP_FRAC_SUB_3(r2, r1, r0, x2, x1, x0, y2, y1, y0) \
do \
{ \
- _FP_W_TYPE _c1, _c2; \
+ _FP_W_TYPE __FP_FRAC_SUB_3_c1, __FP_FRAC_SUB_3_c2; \
r0 = x0 - y0; \
- _c1 = r0 > x0; \
+ __FP_FRAC_SUB_3_c1 = r0 > x0; \
r1 = x1 - y1; \
- _c2 = r1 > x1; \
- r1 -= _c1; \
- _c2 |= _c1 && (y1 == x1); \
- r2 = x2 - y2 - _c2; \
+ __FP_FRAC_SUB_3_c2 = r1 > x1; \
+ r1 -= __FP_FRAC_SUB_3_c1; \
+ __FP_FRAC_SUB_3_c2 |= __FP_FRAC_SUB_3_c1 && (y1 == x1); \
+ r2 = x2 - y2 - __FP_FRAC_SUB_3_c2; \
} \
while (0)
#endif
# define __FP_FRAC_SUB_4(r3, r2, r1, r0, x3, x2, x1, x0, y3, y2, y1, y0) \
do \
{ \
- _FP_W_TYPE _c1, _c2, _c3; \
+ _FP_W_TYPE __FP_FRAC_SUB_4_c1, __FP_FRAC_SUB_4_c2; \
+ _FP_W_TYPE __FP_FRAC_SUB_4_c3; \
r0 = x0 - y0; \
- _c1 = r0 > x0; \
+ __FP_FRAC_SUB_4_c1 = r0 > x0; \
r1 = x1 - y1; \
- _c2 = r1 > x1; \
- r1 -= _c1; \
- _c2 |= _c1 && (y1 == x1); \
+ __FP_FRAC_SUB_4_c2 = r1 > x1; \
+ r1 -= __FP_FRAC_SUB_4_c1; \
+ __FP_FRAC_SUB_4_c2 |= __FP_FRAC_SUB_4_c1 && (y1 == x1); \
r2 = x2 - y2; \
- _c3 = r2 > x2; \
- r2 -= _c2; \
- _c3 |= _c2 && (y2 == x2); \
- r3 = x3 - y3 - _c3; \
+ __FP_FRAC_SUB_4_c3 = r2 > x2; \
+ r2 -= __FP_FRAC_SUB_4_c2; \
+ __FP_FRAC_SUB_4_c3 |= __FP_FRAC_SUB_4_c2 && (y2 == x2); \
+ r3 = x3 - y3 - __FP_FRAC_SUB_4_c3; \
} \
while (0)
#endif
# 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); \
+ UWtype __FP_FRAC_DEC_3_t0, __FP_FRAC_DEC_3_t1; \
+ UWtype __FP_FRAC_DEC_3_t2; \
+ __FP_FRAC_DEC_3_t0 = x0; \
+ __FP_FRAC_DEC_3_t1 = x1; \
+ __FP_FRAC_DEC_3_t2 = x2; \
+ __FP_FRAC_SUB_3 (x2, x1, x0, __FP_FRAC_DEC_3_t2, \
+ __FP_FRAC_DEC_3_t1, __FP_FRAC_DEC_3_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); \
- } \
+# define __FP_FRAC_DEC_4(x3, x2, x1, x0, y3, y2, y1, y0) \
+ do \
+ { \
+ UWtype __FP_FRAC_DEC_4_t0, __FP_FRAC_DEC_4_t1; \
+ UWtype __FP_FRAC_DEC_4_t2, __FP_FRAC_DEC_4_t3; \
+ __FP_FRAC_DEC_4_t0 = x0; \
+ __FP_FRAC_DEC_4_t1 = x1; \
+ __FP_FRAC_DEC_4_t2 = x2; \
+ __FP_FRAC_DEC_4_t3 = x3; \
+ __FP_FRAC_SUB_4 (x3, x2, x1, x0, __FP_FRAC_DEC_4_t3, \
+ __FP_FRAC_DEC_4_t2, __FP_FRAC_DEC_4_t1, \
+ __FP_FRAC_DEC_4_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; \
- } \
+# define __FP_FRAC_ADDI_4(x3, x2, x1, x0, i) \
+ do \
+ { \
+ UWtype __FP_FRAC_ADDI_4_t; \
+ __FP_FRAC_ADDI_4_t = ((x0 += i) < i); \
+ x1 += __FP_FRAC_ADDI_4_t; \
+ __FP_FRAC_ADDI_4_t = (x1 < __FP_FRAC_ADDI_4_t); \
+ x2 += __FP_FRAC_ADDI_4_t; \
+ __FP_FRAC_ADDI_4_t = (x2 < __FP_FRAC_ADDI_4_t); \
+ x3 += __FP_FRAC_ADDI_4_t; \
+ } \
while (0)
#endif
projects / platform / upstream / glibc.git / commitdiff