mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-22 10:50:07 +00:00
100 lines
3.3 KiB
C
100 lines
3.3 KiB
C
/* Machine-dependent software floating-point definitions, tile version.
|
|
Copyright (C) 2013-2016 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library. If not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <bits/wordsize.h>
|
|
|
|
#define _FP_W_TYPE_SIZE __WORDSIZE
|
|
#define _FP_W_TYPE unsigned long
|
|
#define _FP_WS_TYPE signed long
|
|
#define _FP_I_TYPE long
|
|
|
|
#if _FP_W_TYPE_SIZE == 64
|
|
|
|
#define _FP_MUL_MEAT_S(R,X,Y) \
|
|
_FP_MUL_MEAT_1_imm(_FP_WFRACBITS_S,R,X,Y)
|
|
#define _FP_MUL_MEAT_D(R,X,Y) \
|
|
_FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
|
|
#define _FP_MUL_MEAT_Q(R,X,Y) \
|
|
_FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
|
|
|
|
#define _FP_MUL_MEAT_DW_S(R,X,Y) \
|
|
_FP_MUL_MEAT_DW_1_imm(_FP_WFRACBITS_S,R,X,Y)
|
|
#define _FP_MUL_MEAT_DW_D(R,X,Y) \
|
|
_FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
|
|
#define _FP_MUL_MEAT_DW_Q(R,X,Y) \
|
|
_FP_MUL_MEAT_DW_2_wide_3mul(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
|
|
|
|
#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm)
|
|
#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_1_udiv_norm(D,R,X,Y)
|
|
#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
|
|
|
|
#define _FP_NANFRAC_S _FP_QNANBIT_S
|
|
#define _FP_NANFRAC_D _FP_QNANBIT_D
|
|
#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0
|
|
|
|
#else /* _FP_W_TYPE_SIZE == 32 */
|
|
|
|
#define _FP_MUL_MEAT_S(R,X,Y) \
|
|
_FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
|
|
#define _FP_MUL_MEAT_D(R,X,Y) \
|
|
_FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
|
|
#define _FP_MUL_MEAT_Q(R,X,Y) \
|
|
_FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
|
|
|
|
#define _FP_MUL_MEAT_DW_S(R,X,Y) \
|
|
_FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
|
|
#define _FP_MUL_MEAT_DW_D(R,X,Y) \
|
|
_FP_MUL_MEAT_DW_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
|
|
#define _FP_MUL_MEAT_DW_Q(R,X,Y) \
|
|
_FP_MUL_MEAT_DW_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
|
|
|
|
#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y)
|
|
#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
|
|
#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
|
|
|
|
#define _FP_NANFRAC_S _FP_QNANBIT_S
|
|
#define _FP_NANFRAC_D _FP_QNANBIT_D, 0
|
|
#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0
|
|
|
|
#endif
|
|
|
|
#define _FP_NANSIGN_S 1
|
|
#define _FP_NANSIGN_D 1
|
|
#define _FP_NANSIGN_Q 1
|
|
|
|
#define _FP_KEEPNANFRACP 1
|
|
#define _FP_QNANNEGATEDP 0
|
|
|
|
#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
|
|
do { \
|
|
if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \
|
|
&& !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \
|
|
{ \
|
|
R##_s = Y##_s; \
|
|
_FP_FRAC_COPY_##wc(R,Y); \
|
|
} \
|
|
else \
|
|
{ \
|
|
R##_s = X##_s; \
|
|
_FP_FRAC_COPY_##wc(R,X); \
|
|
} \
|
|
R##_c = FP_CLS_NAN; \
|
|
} while (0)
|
|
|
|
#define _FP_TININESS_AFTER_ROUNDING 0
|