libgcc/config/libbid/bid128_2_str_macros.h

   1 /* Copyright (C) 2007  Free Software Foundation, Inc.
   2
   3 This file is part of GCC.
   4
   5 GCC is free software; you can redistribute it and/or modify it under
   6 the terms of the GNU General Public License as published by the Free
   7 Software Foundation; either version 2, or (at your option) any later
   8 version.
   9
  10 In addition to the permissions in the GNU General Public License, the
  11 Free Software Foundation gives you unlimited permission to link the
  12 compiled version of this file into combinations with other programs,
  13 and to distribute those combinations without any restriction coming
  14 from the use of this file.  (The General Public License restrictions
  15 do apply in other respects; for example, they cover modification of
  16 the file, and distribution when not linked into a combine
  17 executable.)
  18
  19 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  20 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  21 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  22 for more details.
  23
  24 You should have received a copy of the GNU General Public License
  25 along with GCC; see the file COPYING.  If not, write to the Free
  26 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
  27 02110-1301, USA.  */
  28
  29 #define __L0_Normalize_10to18( X_hi, X_lo )            \
  30 {                                                      \
  31 UINT64 L0_tmp;                                         \
  32 L0_tmp = (X_lo) + Twoto60_m_10to18;                    \
  33 if (L0_tmp & Twoto60)                                  \
  34  {(X_hi)=(X_hi)+1;(X_lo)=((L0_tmp<<4)>>4);}            \
  35 }
  36
  37
  38 #define __L0_Normalize_10to9( X_hi, X_lo )             \
  39 {                                                      \
  40 UINT32 L0_tmp;                                         \
  41 L0_tmp = (X_lo) + Twoto30_m_10to9;                     \
  42 if (L0_tmp & 0x40000000)                               \
  43  {(X_hi)=(X_hi)+1;(X_lo)=((L0_tmp<<2)>>2);}            \
  44 }
  45
  46
  47 #define __L0_Split_MiDi_2( X, ptr )                    \
  48 {                                                      \
  49 UINT32 L0_head, L0_tail, L0_tmp;                       \
  50  L0_head = (X) >> 10;                                  \
  51  L0_tail = ((X)&(0x03FF))+(L0_head<<5)-(L0_head<<3);   \
  52  L0_tmp  = (L0_tail)>>10; L0_head += L0_tmp;           \
  53  L0_tail = (L0_tail&(0x03FF))+(L0_tmp<<5)-(L0_tmp<<3); \
  54  if (L0_tail > 999){L0_tail -= 1000; L0_head += 1;}    \
  55  *((ptr)++) = L0_head; *((ptr)++) = L0_tail;           \
  56 }
  57
  58
  59 #define __L0_Split_MiDi_3( X, ptr )                    \
  60 {                                                      \
  61 UINT32 L0_X, L0_head, L0_mid, L0_tail, L0_tmp;         \
  62  L0_X    = (UINT32)((X));                              \
  63  L0_head = ((L0_X>>17)*34359)>>18;                     \
  64  L0_X   -= L0_head*1000000;                            \
  65  if (L0_X >= 1000000){L0_X -= 1000000;L0_head+=1;}     \
  66  L0_mid  = L0_X >> 10;                                 \
  67  L0_tail = (L0_X & (0x03FF))+(L0_mid<<5)-(L0_mid<<3);  \
  68  L0_tmp  = (L0_tail)>>10; L0_mid += L0_tmp;            \
  69  L0_tail = (L0_tail&(0x3FF))+(L0_tmp<<5)-(L0_tmp<<3);  \
  70  if (L0_tail>999){L0_tail-=1000;L0_mid+=1;}            \
  71  *((ptr)++)=L0_head;*((ptr)++)=L0_mid;                 \
  72  *((ptr)++)=L0_tail;                                   \
  73 }
  74
  75 #define __L1_Split_MiDi_6( X, ptr )                    \
  76 {                                                      \
  77 UINT32 L1_X_hi, L1_X_lo;                               \
  78 UINT64 L1_Xhi_64, L1_Xlo_64;                           \
  79 L1_Xhi_64 = ( ((X)>>28)*Inv_Tento9 ) >> 33;            \
  80 L1_Xlo_64 = (X) - L1_Xhi_64*(UINT64)Tento9;            \
  81 if (L1_Xlo_64 >= (UINT64)Tento9)                       \
  82  {L1_Xlo_64-=(UINT64)Tento9;L1_Xhi_64+=1;}             \
  83 L1_X_hi=(UINT32)L1_Xhi_64; L1_X_lo=(UINT32)L1_Xlo_64;  \
  84 __L0_Split_MiDi_3(L1_X_hi,(ptr));                      \
  85 __L0_Split_MiDi_3(L1_X_lo,(ptr));                      \
  86 }
  87
  88 #define __L1_Split_MiDi_6_Lead( X, ptr )               \
  89 {                                                      \
  90 UINT32 L1_X_hi, L1_X_lo;                               \
  91 UINT64 L1_Xhi_64, L1_Xlo_64;                           \
  92 if ((X)>=(UINT64)Tento9){                              \
  93   L1_Xhi_64 = ( ((X)>>28)*Inv_Tento9 ) >> 33;          \
  94   L1_Xlo_64 = (X) - L1_Xhi_64*(UINT64)Tento9;          \
  95   if (L1_Xlo_64 >= (UINT64)Tento9)                     \
  96    {L1_Xlo_64-=(UINT64)Tento9;L1_Xhi_64+=1;}           \
  97   L1_X_hi=(UINT32)L1_Xhi_64;                           \
  98   L1_X_lo=(UINT32)L1_Xlo_64;                           \
  99   if (L1_X_hi>=Tento6){                                \
 100      __L0_Split_MiDi_3(L1_X_hi,(ptr));                 \
 101      __L0_Split_MiDi_3(L1_X_lo,(ptr));                 \
 102   }                                                    \
 103   else if (L1_X_hi>=Tento3){                           \
 104      __L0_Split_MiDi_2(L1_X_hi,(ptr));                 \
 105      __L0_Split_MiDi_3(L1_X_lo,(ptr));                 \
 106   }                                                    \
 107   else {                                               \
 108        *((ptr)++) = L1_X_hi;                           \
 109        __L0_Split_MiDi_3(L1_X_lo,(ptr));               \
 110   }                                                    \
 111 }                                                      \
 112 else {                                                 \
 113   L1_X_lo = (UINT32)(X);                               \
 114   if (L1_X_lo>=Tento6){                                \
 115      __L0_Split_MiDi_3(L1_X_lo,(ptr));                 \
 116   }                                                    \
 117   else if (L1_X_lo>=Tento3){                           \
 118      __L0_Split_MiDi_2(L1_X_lo,(ptr));                 \
 119   }                                                    \
 120   else {                                               \
 121        *((ptr)++) = L1_X_lo;                           \
 122   }                                                    \
 123 }                                                      \
 124 }
 125
 126
 127 #define __L0_MiDi2Str( X, c_ptr )              \
 128 {                                              \
 129 char *L0_src;                                  \
 130  L0_src = midi_tbl[(X)];                       \
 131  *((c_ptr)++) = *(L0_src++);                   \
 132  *((c_ptr)++) = *(L0_src++);                   \
 133  *((c_ptr)++) = *(L0_src);                     \
 134 }
 135
 136 #define __L0_MiDi2Str_Lead( X, c_ptr )         \
 137 {                                              \
 138 char *L0_src;                                  \
 139  L0_src = midi_tbl[(X)];                       \
 140  if ((X)>=100){                                \
 141  *((c_ptr)++) = *(L0_src++);                   \
 142  *((c_ptr)++) = *(L0_src++);                   \
 143  *((c_ptr)++) = *(L0_src);                     \
 144  }                                             \
 145  else if ((X)>=10){                            \
 146  L0_src++;                                     \
 147  *((c_ptr)++) = *(L0_src++);                   \
 148  *((c_ptr)++) = *(L0_src);                     \
 149  }                                             \
 150  else {                                        \
 151  L0_src++;L0_src++;                            \
 152  *((c_ptr)++) = *(L0_src);                     \
 153 }                                              \
 154 }