ports/sysdeps/tile/sfp-machine.h

   1 /* Machine-dependent software floating-point definitions, tile version.
   2    Copyright (C) 2013-2014 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library.  If not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <bits/wordsize.h>
  20
  21 #define _FP_W_TYPE_SIZE         __WORDSIZE
  22 #define _FP_W_TYPE              unsigned long
  23 #define _FP_WS_TYPE             signed long
  24 #define _FP_I_TYPE              long
  25
  26 #if _FP_W_TYPE_SIZE == 64
  27
  28 #define _FP_MUL_MEAT_S(R,X,Y)                                   \
  29   _FP_MUL_MEAT_1_imm(_FP_WFRACBITS_S,R,X,Y)
  30 #define _FP_MUL_MEAT_D(R,X,Y)                                   \
  31   _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
  32 #define _FP_MUL_MEAT_Q(R,X,Y)                                   \
  33   _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
  34
  35 #define _FP_MUL_MEAT_DW_S(R,X,Y)                                \
  36   _FP_MUL_MEAT_DW_1_imm(_FP_WFRACBITS_S,R,X,Y)
  37 #define _FP_MUL_MEAT_DW_D(R,X,Y)                                \
  38   _FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
  39 #define _FP_MUL_MEAT_DW_Q(R,X,Y)                                \
  40   _FP_MUL_MEAT_DW_2_wide_3mul(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
  41
  42 #define _FP_DIV_MEAT_S(R,X,Y)   _FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm)
  43 #define _FP_DIV_MEAT_D(R,X,Y)   _FP_DIV_MEAT_1_udiv_norm(D,R,X,Y)
  44 #define _FP_DIV_MEAT_Q(R,X,Y)   _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
  45
  46 #define _FP_NANFRAC_S           _FP_QNANBIT_S
  47 #define _FP_NANFRAC_D           _FP_QNANBIT_D
  48 #define _FP_NANFRAC_Q           _FP_QNANBIT_Q, 0
  49
  50 #else  /* _FP_W_TYPE_SIZE == 32 */
  51
  52 #define _FP_MUL_MEAT_S(R,X,Y)                                   \
  53   _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
  54 #define _FP_MUL_MEAT_D(R,X,Y)                                   \
  55   _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
  56 #define _FP_MUL_MEAT_Q(R,X,Y)                                   \
  57   _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
  58
  59 #define _FP_MUL_MEAT_DW_S(R,X,Y)                                \
  60   _FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
  61 #define _FP_MUL_MEAT_DW_D(R,X,Y)                                \
  62   _FP_MUL_MEAT_DW_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
  63 #define _FP_MUL_MEAT_DW_Q(R,X,Y)                                \
  64   _FP_MUL_MEAT_DW_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
  65
  66 #define _FP_DIV_MEAT_S(R,X,Y)   _FP_DIV_MEAT_1_loop(S,R,X,Y)
  67 #define _FP_DIV_MEAT_D(R,X,Y)   _FP_DIV_MEAT_2_udiv(D,R,X,Y)
  68 #define _FP_DIV_MEAT_Q(R,X,Y)   _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
  69
  70 #define _FP_NANFRAC_S           _FP_QNANBIT_S
  71 #define _FP_NANFRAC_D           _FP_QNANBIT_D, 0
  72 #define _FP_NANFRAC_Q           _FP_QNANBIT_Q, 0, 0, 0
  73
  74 #endif
  75
  76 #define _FP_NANSIGN_S           1
  77 #define _FP_NANSIGN_D           1
  78 #define _FP_NANSIGN_Q           1
  79
  80 #define _FP_KEEPNANFRACP 1
  81 #define _FP_QNANNEGATEDP 0
  82
  83 #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)                      \
  84   do {                                                          \
  85     if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)          \
  86         && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs))     \
  87       {                                                         \
  88         R##_s = Y##_s;                                          \
  89         _FP_FRAC_COPY_##wc(R,Y);                                \
  90       }                                                         \
  91     else                                                        \
  92       {                                                         \
  93         R##_s = X##_s;                                          \
  94         _FP_FRAC_COPY_##wc(R,X);                                \
  95       }                                                         \
  96     R##_c = FP_CLS_NAN;                                         \
  97   } while (0)