| 1 | 709 | jeremybenn | /* Definitions for the Blackfin port.
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         | 2 |  |  |    Copyright (C) 2005, 2007, 2008, 2009, 2010, 2011
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         | 3 |  |  |    Free Software Foundation, Inc.
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         | 4 |  |  |    Contributed by Analog Devices.
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         | 5 |  |  |  
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         | 6 |  |  |    This file is part of GCC.
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         | 7 |  |  |  
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         | 8 |  |  |    GCC is free software; you can redistribute it and/or modify it
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         | 9 |  |  |    under the terms of the GNU General Public License as published
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         | 10 |  |  |    by the Free Software Foundation; either version 3, or (at your
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         | 11 |  |  |    option) any later version.
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         | 12 |  |  |  
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         | 13 |  |  |    GCC is distributed in the hope that it will be useful, but WITHOUT
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         | 14 |  |  |    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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         | 15 |  |  |    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
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         | 16 |  |  |    License for more details.
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         | 17 |  |  |  
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         | 18 |  |  |    You should have received a copy of the GNU General Public License
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         | 19 |  |  |    along with GCC; see the file COPYING3.  If not see
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         | 20 |  |  |    <http://www.gnu.org/licenses/>.  */
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         | 21 |  |  |  
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         | 22 |  |  | #ifndef _BFIN_CONFIG
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         | 23 |  |  | #define _BFIN_CONFIG
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         | 24 |  |  |  
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         | 25 |  |  | #ifndef BFIN_OPTS_H
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         | 26 |  |  | #include "config/bfin/bfin-opts.h"
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         | 27 |  |  | #endif
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         | 28 |  |  |  
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         | 29 |  |  | #define OBJECT_FORMAT_ELF
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         | 30 |  |  |  
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         | 31 |  |  | #define BRT 1
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         | 32 |  |  | #define BRF 0
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         | 33 |  |  |  
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         | 34 |  |  | /* Predefinition in the preprocessor for this target machine */
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         | 35 |  |  | #ifndef TARGET_CPU_CPP_BUILTINS
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         | 36 |  |  | #define TARGET_CPU_CPP_BUILTINS()               \
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         | 37 |  |  |   do                                            \
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         | 38 |  |  |     {                                           \
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         | 39 |  |  |       builtin_define_std ("bfin");              \
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         | 40 |  |  |       builtin_define_std ("BFIN");              \
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         | 41 |  |  |       builtin_define ("__ADSPBLACKFIN__");      \
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         | 42 |  |  |       builtin_define ("__ADSPLPBLACKFIN__");    \
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         | 43 |  |  |                                                 \
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         | 44 |  |  |       switch (bfin_cpu_type)                    \
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         | 45 |  |  |         {                                       \
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         | 46 |  |  |         case BFIN_CPU_BF512:                    \
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         | 47 |  |  |           builtin_define ("__ADSPBF512__");     \
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         | 48 |  |  |           builtin_define ("__ADSPBF51x__");     \
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         | 49 |  |  |           break;                                \
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         | 50 |  |  |         case BFIN_CPU_BF514:                    \
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         | 51 |  |  |           builtin_define ("__ADSPBF514__");     \
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         | 52 |  |  |           builtin_define ("__ADSPBF51x__");     \
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         | 53 |  |  |           break;                                \
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         | 54 |  |  |         case BFIN_CPU_BF516:                    \
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         | 55 |  |  |           builtin_define ("__ADSPBF516__");     \
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         | 56 |  |  |           builtin_define ("__ADSPBF51x__");     \
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         | 57 |  |  |           break;                                \
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         | 58 |  |  |         case BFIN_CPU_BF518:                    \
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         | 59 |  |  |           builtin_define ("__ADSPBF518__");     \
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         | 60 |  |  |           builtin_define ("__ADSPBF51x__");     \
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         | 61 |  |  |           break;                                \
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         | 62 |  |  |         case BFIN_CPU_BF522:                    \
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         | 63 |  |  |           builtin_define ("__ADSPBF522__");     \
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         | 64 |  |  |           builtin_define ("__ADSPBF52x__");     \
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         | 65 |  |  |           break;                                \
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         | 66 |  |  |         case BFIN_CPU_BF523:                    \
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         | 67 |  |  |           builtin_define ("__ADSPBF523__");     \
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         | 68 |  |  |           builtin_define ("__ADSPBF52x__");     \
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         | 69 |  |  |           break;                                \
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         | 70 |  |  |         case BFIN_CPU_BF524:                    \
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         | 71 |  |  |           builtin_define ("__ADSPBF524__");     \
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         | 72 |  |  |           builtin_define ("__ADSPBF52x__");     \
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         | 73 |  |  |           break;                                \
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         | 74 |  |  |         case BFIN_CPU_BF525:                    \
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         | 75 |  |  |           builtin_define ("__ADSPBF525__");     \
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         | 76 |  |  |           builtin_define ("__ADSPBF52x__");     \
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         | 77 |  |  |           break;                                \
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         | 78 |  |  |         case BFIN_CPU_BF526:                    \
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         | 79 |  |  |           builtin_define ("__ADSPBF526__");     \
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         | 80 |  |  |           builtin_define ("__ADSPBF52x__");     \
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         | 81 |  |  |           break;                                \
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         | 82 |  |  |         case BFIN_CPU_BF527:                    \
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         | 83 |  |  |           builtin_define ("__ADSPBF527__");     \
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         | 84 |  |  |           builtin_define ("__ADSPBF52x__");     \
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         | 85 |  |  |           break;                                \
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         | 86 |  |  |         case BFIN_CPU_BF531:                    \
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         | 87 |  |  |           builtin_define ("__ADSPBF531__");     \
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         | 88 |  |  |           break;                                \
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         | 89 |  |  |         case BFIN_CPU_BF532:                    \
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         | 90 |  |  |           builtin_define ("__ADSPBF532__");     \
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         | 91 |  |  |           break;                                \
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         | 92 |  |  |         case BFIN_CPU_BF533:                    \
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         | 93 |  |  |           builtin_define ("__ADSPBF533__");     \
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         | 94 |  |  |           break;                                \
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         | 95 |  |  |         case BFIN_CPU_BF534:                    \
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         | 96 |  |  |           builtin_define ("__ADSPBF534__");     \
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         | 97 |  |  |           break;                                \
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         | 98 |  |  |         case BFIN_CPU_BF536:                    \
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         | 99 |  |  |           builtin_define ("__ADSPBF536__");     \
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         | 100 |  |  |           break;                                \
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         | 101 |  |  |         case BFIN_CPU_BF537:                    \
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         | 102 |  |  |           builtin_define ("__ADSPBF537__");     \
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         | 103 |  |  |           break;                                \
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         | 104 |  |  |         case BFIN_CPU_BF538:                    \
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         | 105 |  |  |           builtin_define ("__ADSPBF538__");     \
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         | 106 |  |  |           break;                                \
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         | 107 |  |  |         case BFIN_CPU_BF539:                    \
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         | 108 |  |  |           builtin_define ("__ADSPBF539__");     \
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         | 109 |  |  |           break;                                \
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         | 110 |  |  |         case BFIN_CPU_BF542M:                   \
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         | 111 |  |  |           builtin_define ("__ADSPBF542M__");    \
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         | 112 |  |  |         case BFIN_CPU_BF542:                    \
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         | 113 |  |  |           builtin_define ("__ADSPBF542__");     \
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         | 114 |  |  |           builtin_define ("__ADSPBF54x__");     \
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         | 115 |  |  |           break;                                \
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         | 116 |  |  |         case BFIN_CPU_BF544M:                   \
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         | 117 |  |  |           builtin_define ("__ADSPBF544M__");    \
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         | 118 |  |  |         case BFIN_CPU_BF544:                    \
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         | 119 |  |  |           builtin_define ("__ADSPBF544__");     \
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         | 120 |  |  |           builtin_define ("__ADSPBF54x__");     \
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         | 121 |  |  |           break;                                \
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         | 122 |  |  |         case BFIN_CPU_BF547M:                   \
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         | 123 |  |  |           builtin_define ("__ADSPBF547M__");    \
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         | 124 |  |  |         case BFIN_CPU_BF547:                    \
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         | 125 |  |  |           builtin_define ("__ADSPBF547__");     \
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         | 126 |  |  |           builtin_define ("__ADSPBF54x__");     \
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         | 127 |  |  |           break;                                \
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         | 128 |  |  |         case BFIN_CPU_BF548M:                   \
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         | 129 |  |  |           builtin_define ("__ADSPBF548M__");    \
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         | 130 |  |  |         case BFIN_CPU_BF548:                    \
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         | 131 |  |  |           builtin_define ("__ADSPBF548__");     \
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         | 132 |  |  |           builtin_define ("__ADSPBF54x__");     \
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         | 133 |  |  |           break;                                \
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         | 134 |  |  |         case BFIN_CPU_BF549M:                   \
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         | 135 |  |  |           builtin_define ("__ADSPBF549M__");    \
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         | 136 |  |  |         case BFIN_CPU_BF549:                    \
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         | 137 |  |  |           builtin_define ("__ADSPBF549__");     \
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         | 138 |  |  |           builtin_define ("__ADSPBF54x__");     \
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         | 139 |  |  |           break;                                \
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         | 140 |  |  |         case BFIN_CPU_BF561:                    \
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         | 141 |  |  |           builtin_define ("__ADSPBF561__");     \
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         | 142 |  |  |           break;                                \
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         | 143 |  |  |         case BFIN_CPU_BF592:            \
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         | 144 |  |  |           builtin_define ("__ADSPBF592__"); \
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         | 145 |  |  |           builtin_define ("__ADSPBF59x__"); \
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         | 146 |  |  |           break;                \
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         | 147 |  |  |         }                                       \
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         | 148 |  |  |                                                 \
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         | 149 |  |  |       if (bfin_si_revision != -1)               \
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         | 150 |  |  |         {                                       \
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         | 151 |  |  |           /* space of 0xnnnn and a NUL */       \
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         | 152 |  |  |           char *buf = XALLOCAVEC (char, 7);     \
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         | 153 |  |  |                                                 \
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         | 154 |  |  |           sprintf (buf, "0x%04x", bfin_si_revision);                    \
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         | 155 |  |  |           builtin_define_with_value ("__SILICON_REVISION__", buf, 0);    \
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         | 156 |  |  |         }                                                               \
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         | 157 |  |  |                                                                         \
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         | 158 |  |  |       if (bfin_workarounds)                                             \
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         | 159 |  |  |         builtin_define ("__WORKAROUNDS_ENABLED");                       \
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         | 160 |  |  |       if (ENABLE_WA_SPECULATIVE_LOADS)                                  \
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         | 161 |  |  |         builtin_define ("__WORKAROUND_SPECULATIVE_LOADS");              \
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         | 162 |  |  |       if (ENABLE_WA_SPECULATIVE_SYNCS)                                  \
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         | 163 |  |  |         builtin_define ("__WORKAROUND_SPECULATIVE_SYNCS");              \
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         | 164 |  |  |       if (ENABLE_WA_INDIRECT_CALLS)                                     \
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         | 165 |  |  |         builtin_define ("__WORKAROUND_INDIRECT_CALLS");                 \
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         | 166 |  |  |       if (ENABLE_WA_RETS)                                               \
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         | 167 |  |  |         builtin_define ("__WORKAROUND_RETS");                           \
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         | 168 |  |  |                                                 \
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         | 169 |  |  |       if (TARGET_FDPIC)                         \
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         | 170 |  |  |         {                                       \
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         | 171 |  |  |           builtin_define ("__BFIN_FDPIC__");    \
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         | 172 |  |  |           builtin_define ("__FDPIC__");         \
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         | 173 |  |  |         }                                       \
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         | 174 |  |  |       if (TARGET_ID_SHARED_LIBRARY              \
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         | 175 |  |  |           && !TARGET_SEP_DATA)                  \
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         | 176 |  |  |         builtin_define ("__ID_SHARED_LIB__");   \
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         | 177 |  |  |       if (flag_no_builtin)                      \
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         | 178 |  |  |         builtin_define ("__NO_BUILTIN");        \
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         | 179 |  |  |       if (TARGET_MULTICORE)                     \
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         | 180 |  |  |         builtin_define ("__BFIN_MULTICORE");    \
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         | 181 |  |  |       if (TARGET_COREA)                         \
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         | 182 |  |  |         builtin_define ("__BFIN_COREA");        \
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         | 183 |  |  |       if (TARGET_COREB)                         \
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         | 184 |  |  |         builtin_define ("__BFIN_COREB");        \
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         | 185 |  |  |       if (TARGET_SDRAM)                         \
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         | 186 |  |  |         builtin_define ("__BFIN_SDRAM");        \
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         | 187 |  |  |     }                                           \
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         | 188 |  |  |   while (0)
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         | 189 |  |  | #endif
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         | 190 |  |  |  
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         | 191 |  |  | #define DRIVER_SELF_SPECS SUBTARGET_DRIVER_SELF_SPECS   "\
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         | 192 |  |  |  %{mleaf-id-shared-library:%{!mid-shared-library:-mid-shared-library}} \
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         | 193 |  |  |  %{mfdpic:%{!fpic:%{!fpie:%{!fPIC:%{!fPIE:\
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         | 194 |  |  |             %{!fno-pic:%{!fno-pie:%{!fno-PIC:%{!fno-PIE:-fpie}}}}}}}}} \
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         | 195 |  |  | "
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         | 196 |  |  | #ifndef SUBTARGET_DRIVER_SELF_SPECS
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         | 197 |  |  | # define SUBTARGET_DRIVER_SELF_SPECS
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         | 198 |  |  | #endif
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         | 199 |  |  |  
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         | 200 |  |  | #define LINK_GCC_C_SEQUENCE_SPEC "\
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         | 201 |  |  |   %{mfast-fp:-lbffastfp} %G %L %{mfast-fp:-lbffastfp} %G \
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         | 202 |  |  | "
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         | 203 |  |  |  
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         | 204 |  |  | #undef  ASM_SPEC
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         | 205 |  |  | #define ASM_SPEC "\
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         | 206 |  |  |     %{mno-fdpic:-mnopic} %{mfdpic}"
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         | 207 |  |  |  
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         | 208 |  |  | #define LINK_SPEC "\
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         | 209 |  |  | %{h*} %{v:-V} \
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         | 210 |  |  | %{mfdpic:-melf32bfinfd -z text} \
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         | 211 |  |  | %{static:-dn -Bstatic} \
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         | 212 |  |  | %{shared:-G -Bdynamic} \
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         | 213 |  |  | %{symbolic:-Bsymbolic} \
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         | 214 |  |  | -init __init -fini __fini "
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         | 215 |  |  |  
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         | 216 |  |  | /* Generate DSP instructions, like DSP halfword loads */
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         | 217 |  |  | #define TARGET_DSP                      (1)
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         | 218 |  |  |  
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         | 219 |  |  | #define TARGET_DEFAULT 0
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         | 220 |  |  |  
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         | 221 |  |  | /* Maximum number of library ids we permit */
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         | 222 |  |  | #define MAX_LIBRARY_ID 255
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         | 223 |  |  |  
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         | 224 |  |  | extern const char *bfin_library_id_string;
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         | 225 |  |  |  
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         | 226 |  |  | #define FUNCTION_MODE    SImode
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         | 227 |  |  | #define Pmode            SImode
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         | 228 |  |  |  
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         | 229 |  |  | /* store-condition-codes instructions store 0 for false
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         | 230 |  |  |    This is the value stored for true.  */
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         | 231 |  |  | #define STORE_FLAG_VALUE 1
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         | 232 |  |  |  
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         | 233 |  |  | /* Define this if pushing a word on the stack
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         | 234 |  |  |    makes the stack pointer a smaller address.  */
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         | 235 |  |  | #define STACK_GROWS_DOWNWARD
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         | 236 |  |  |  
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         | 237 |  |  | #define STACK_PUSH_CODE PRE_DEC
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         | 238 |  |  |  
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         | 239 |  |  | /* Define this to nonzero if the nominal address of the stack frame
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         | 240 |  |  |    is at the high-address end of the local variables;
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         | 241 |  |  |    that is, each additional local variable allocated
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         | 242 |  |  |    goes at a more negative offset in the frame.  */
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         | 243 |  |  | #define FRAME_GROWS_DOWNWARD 1
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         | 244 |  |  |  
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         | 245 |  |  | /* We define a dummy ARGP register; the parameters start at offset 0 from
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         | 246 |  |  |    it. */
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         | 247 |  |  | #define FIRST_PARM_OFFSET(DECL) 0
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         | 248 |  |  |  
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         | 249 |  |  | /* Offset within stack frame to start allocating local variables at.
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         | 250 |  |  |    If FRAME_GROWS_DOWNWARD, this is the offset to the END of the
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         | 251 |  |  |    first local allocated.  Otherwise, it is the offset to the BEGINNING
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         | 252 |  |  |    of the first local allocated.  */
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         | 253 |  |  | #define STARTING_FRAME_OFFSET 0
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         | 254 |  |  |  
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         | 255 |  |  | /* Register to use for pushing function arguments.  */
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         | 256 |  |  | #define STACK_POINTER_REGNUM REG_P6
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         | 257 |  |  |  
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         | 258 |  |  | /* Base register for access to local variables of the function.  */
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         | 259 |  |  | #define FRAME_POINTER_REGNUM REG_P7
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         | 260 |  |  |  
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         | 261 |  |  | /* A dummy register that will be eliminated to either FP or SP.  */
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         | 262 |  |  | #define ARG_POINTER_REGNUM REG_ARGP
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         | 263 |  |  |  
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         | 264 |  |  | /* `PIC_OFFSET_TABLE_REGNUM'
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         | 265 |  |  |      The register number of the register used to address a table of
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         | 266 |  |  |      static data addresses in memory.  In some cases this register is
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         | 267 |  |  |      defined by a processor's "application binary interface" (ABI).
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         | 268 |  |  |      When this macro is defined, RTL is generated for this register
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         | 269 |  |  |      once, as with the stack pointer and frame pointer registers.  If
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         | 270 |  |  |      this macro is not defined, it is up to the machine-dependent files
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         | 271 |  |  |      to allocate such a register (if necessary). */
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         | 272 |  |  | #define PIC_OFFSET_TABLE_REGNUM (REG_P5)
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         | 273 |  |  |  
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         | 274 |  |  | #define FDPIC_FPTR_REGNO REG_P1
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         | 275 |  |  | #define FDPIC_REGNO REG_P3
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         | 276 |  |  | #define OUR_FDPIC_REG   get_hard_reg_initial_val (SImode, FDPIC_REGNO)
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         | 277 |  |  |  
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         | 278 |  |  | /* A static chain register for nested functions.  We need to use a
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         | 279 |  |  |    call-clobbered register for this.  */
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         | 280 |  |  | #define STATIC_CHAIN_REGNUM REG_P2
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         | 281 |  |  |  
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         | 282 |  |  | /* Define this if functions should assume that stack space has been
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         | 283 |  |  |    allocated for arguments even when their values are passed in
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         | 284 |  |  |    registers.
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         | 285 |  |  |  
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         | 286 |  |  |    The value of this macro is the size, in bytes, of the area reserved for
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         | 287 |  |  |    arguments passed in registers.
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         | 288 |  |  |  
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         | 289 |  |  |    This space can either be allocated by the caller or be a part of the
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         | 290 |  |  |    machine-dependent stack frame: `OUTGOING_REG_PARM_STACK_SPACE'
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         | 291 |  |  |    says which.  */
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         | 292 |  |  | #define FIXED_STACK_AREA 12
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         | 293 |  |  | #define REG_PARM_STACK_SPACE(FNDECL) FIXED_STACK_AREA
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         | 294 |  |  |  
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         | 295 |  |  | /* Define this if the above stack space is to be considered part of the
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         | 296 |  |  |  * space allocated by the caller.  */
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         | 297 |  |  | #define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 1
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         | 298 |  |  |  
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         | 299 |  |  | /* Define this if the maximum size of all the outgoing args is to be
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         | 300 |  |  |    accumulated and pushed during the prologue.  The amount can be
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         | 301 |  |  |    found in the variable crtl->outgoing_args_size. */
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         | 302 |  |  | #define ACCUMULATE_OUTGOING_ARGS 1
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         | 303 |  |  |  
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         | 304 |  |  | /*#define DATA_ALIGNMENT(TYPE, BASIC-ALIGN) for arrays.. */
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         | 305 |  |  |  
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         | 306 |  |  | /* If defined, a C expression to compute the alignment for a local
 | 
      
         | 307 |  |  |    variable.  TYPE is the data type, and ALIGN is the alignment that
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         | 308 |  |  |    the object would ordinarily have.  The value of this macro is used
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         | 309 |  |  |    instead of that alignment to align the object.
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         | 310 |  |  |  
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         | 311 |  |  |    If this macro is not defined, then ALIGN is used.
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         | 312 |  |  |  
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         | 313 |  |  |    One use of this macro is to increase alignment of medium-size
 | 
      
         | 314 |  |  |    data to make it all fit in fewer cache lines.  */
 | 
      
         | 315 |  |  |  
 | 
      
         | 316 |  |  | #define LOCAL_ALIGNMENT(TYPE, ALIGN) bfin_local_alignment ((TYPE), (ALIGN))
 | 
      
         | 317 |  |  |  
 | 
      
         | 318 |  |  | /* Make strings word-aligned so strcpy from constants will be faster.  */
 | 
      
         | 319 |  |  | #define CONSTANT_ALIGNMENT(EXP, ALIGN)  \
 | 
      
         | 320 |  |  |   (TREE_CODE (EXP) == STRING_CST        \
 | 
      
         | 321 |  |  |    && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
 | 
      
         | 322 |  |  |  
 | 
      
         | 323 |  |  | #define TRAMPOLINE_SIZE (TARGET_FDPIC ? 30 : 18)
 | 
      
         | 324 |  |  |  
 | 
      
         | 325 |  |  | /* Definitions for register eliminations.
 | 
      
         | 326 |  |  |  
 | 
      
         | 327 |  |  |    This is an array of structures.  Each structure initializes one pair
 | 
      
         | 328 |  |  |    of eliminable registers.  The "from" register number is given first,
 | 
      
         | 329 |  |  |    followed by "to".  Eliminations of the same "from" register are listed
 | 
      
         | 330 |  |  |    in order of preference.
 | 
      
         | 331 |  |  |  
 | 
      
         | 332 |  |  |    There are two registers that can always be eliminated on the i386.
 | 
      
         | 333 |  |  |    The frame pointer and the arg pointer can be replaced by either the
 | 
      
         | 334 |  |  |    hard frame pointer or to the stack pointer, depending upon the
 | 
      
         | 335 |  |  |    circumstances.  The hard frame pointer is not used before reload and
 | 
      
         | 336 |  |  |    so it is not eligible for elimination.  */
 | 
      
         | 337 |  |  |  
 | 
      
         | 338 |  |  | #define ELIMINABLE_REGS                         \
 | 
      
         | 339 |  |  | {{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM},   \
 | 
      
         | 340 |  |  |  { ARG_POINTER_REGNUM, FRAME_POINTER_REGNUM},   \
 | 
      
         | 341 |  |  |  { FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}} \
 | 
      
         | 342 |  |  |  
 | 
      
         | 343 |  |  | /* Define the offset between two registers, one to be eliminated, and the other
 | 
      
         | 344 |  |  |    its replacement, at the start of a routine.  */
 | 
      
         | 345 |  |  |  
 | 
      
         | 346 |  |  | #define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
 | 
      
         | 347 |  |  |   ((OFFSET) = bfin_initial_elimination_offset ((FROM), (TO)))
 | 
      
         | 348 |  |  |  
 | 
      
         | 349 |  |  | /* This processor has
 | 
      
         | 350 |  |  |    8 data register for doing arithmetic
 | 
      
         | 351 |  |  |    8  pointer register for doing addressing, including
 | 
      
         | 352 |  |  |       1  stack pointer P6
 | 
      
         | 353 |  |  |       1  frame pointer P7
 | 
      
         | 354 |  |  |    4 sets of indexing registers (I0-3, B0-3, L0-3, M0-3)
 | 
      
         | 355 |  |  |    1  condition code flag register CC
 | 
      
         | 356 |  |  |    5  return address registers RETS/I/X/N/E
 | 
      
         | 357 |  |  |    1  arithmetic status register (ASTAT).  */
 | 
      
         | 358 |  |  |  
 | 
      
         | 359 |  |  | #define FIRST_PSEUDO_REGISTER 50
 | 
      
         | 360 |  |  |  
 | 
      
         | 361 |  |  | #define D_REGNO_P(X) ((X) <= REG_R7)
 | 
      
         | 362 |  |  | #define P_REGNO_P(X) ((X) >= REG_P0 && (X) <= REG_P7)
 | 
      
         | 363 |  |  | #define I_REGNO_P(X) ((X) >= REG_I0 && (X) <= REG_I3)
 | 
      
         | 364 |  |  | #define DP_REGNO_P(X) (D_REGNO_P (X) || P_REGNO_P (X))
 | 
      
         | 365 |  |  | #define ADDRESS_REGNO_P(X) ((X) >= REG_P0 && (X) <= REG_M3)
 | 
      
         | 366 |  |  | #define DREG_P(X) (REG_P (X) && D_REGNO_P (REGNO (X)))
 | 
      
         | 367 |  |  | #define PREG_P(X) (REG_P (X) && P_REGNO_P (REGNO (X)))
 | 
      
         | 368 |  |  | #define IREG_P(X) (REG_P (X) && I_REGNO_P (REGNO (X)))
 | 
      
         | 369 |  |  | #define DPREG_P(X) (REG_P (X) && DP_REGNO_P (REGNO (X)))
 | 
      
         | 370 |  |  |  
 | 
      
         | 371 |  |  | #define REGISTER_NAMES { \
 | 
      
         | 372 |  |  |   "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", \
 | 
      
         | 373 |  |  |   "P0", "P1", "P2", "P3", "P4", "P5", "SP", "FP", \
 | 
      
         | 374 |  |  |   "I0", "I1", "I2", "I3", "B0", "B1", "B2", "B3", \
 | 
      
         | 375 |  |  |   "L0", "L1", "L2", "L3", "M0", "M1", "M2", "M3", \
 | 
      
         | 376 |  |  |   "A0", "A1", \
 | 
      
         | 377 |  |  |   "CC", \
 | 
      
         | 378 |  |  |   "RETS", "RETI", "RETX", "RETN", "RETE", "ASTAT", "SEQSTAT", "USP", \
 | 
      
         | 379 |  |  |   "ARGP", \
 | 
      
         | 380 |  |  |   "LT0", "LT1", "LC0", "LC1", "LB0", "LB1" \
 | 
      
         | 381 |  |  | }
 | 
      
         | 382 |  |  |  
 | 
      
         | 383 |  |  | #define SHORT_REGISTER_NAMES { \
 | 
      
         | 384 |  |  |         "R0.L", "R1.L", "R2.L", "R3.L", "R4.L", "R5.L", "R6.L", "R7.L", \
 | 
      
         | 385 |  |  |         "P0.L", "P1.L", "P2.L", "P3.L", "P4.L", "P5.L", "SP.L", "FP.L", \
 | 
      
         | 386 |  |  |         "I0.L", "I1.L", "I2.L", "I3.L", "B0.L", "B1.L", "B2.L", "B3.L", \
 | 
      
         | 387 |  |  |         "L0.L", "L1.L", "L2.L", "L3.L", "M0.L", "M1.L", "M2.L", "M3.L", }
 | 
      
         | 388 |  |  |  
 | 
      
         | 389 |  |  | #define HIGH_REGISTER_NAMES { \
 | 
      
         | 390 |  |  |         "R0.H", "R1.H", "R2.H", "R3.H", "R4.H", "R5.H", "R6.H", "R7.H", \
 | 
      
         | 391 |  |  |         "P0.H", "P1.H", "P2.H", "P3.H", "P4.H", "P5.H", "SP.H", "FP.H", \
 | 
      
         | 392 |  |  |         "I0.H", "I1.H", "I2.H", "I3.H", "B0.H", "B1.H", "B2.H", "B3.H", \
 | 
      
         | 393 |  |  |         "L0.H", "L1.H", "L2.H", "L3.H", "M0.H", "M1.H", "M2.H", "M3.H", }
 | 
      
         | 394 |  |  |  
 | 
      
         | 395 |  |  | #define DREGS_PAIR_NAMES { \
 | 
      
         | 396 |  |  |   "R1:0.p", 0, "R3:2.p", 0, "R5:4.p", 0, "R7:6.p", 0,  }
 | 
      
         | 397 |  |  |  
 | 
      
         | 398 |  |  | #define BYTE_REGISTER_NAMES { \
 | 
      
         | 399 |  |  |   "R0.B", "R1.B", "R2.B", "R3.B", "R4.B", "R5.B", "R6.B", "R7.B",  }
 | 
      
         | 400 |  |  |  
 | 
      
         | 401 |  |  |  
 | 
      
         | 402 |  |  | /* 1 for registers that have pervasive standard uses
 | 
      
         | 403 |  |  |    and are not available for the register allocator.  */
 | 
      
         | 404 |  |  |  
 | 
      
         | 405 |  |  | #define FIXED_REGISTERS \
 | 
      
         | 406 |  |  | /*r0 r1 r2 r3 r4 r5 r6 r7   p0 p1 p2 p3 p4 p5 p6 p7 */ \
 | 
      
         | 407 |  |  | { 0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 1, 0,    \
 | 
      
         | 408 |  |  | /*i0 i1 i2 i3 b0 b1 b2 b3   l0 l1 l2 l3 m0 m1 m2 m3 */ \
 | 
      
         | 409 |  |  |   0, 0, 0, 0, 0, 0, 0, 0,   1, 1, 1, 1, 0, 0, 0, 0,    \
 | 
      
         | 410 |  |  | /*a0 a1 cc rets/i/x/n/e     astat seqstat usp argp lt0/1 lc0/1 */ \
 | 
      
         | 411 |  |  |   0, 0, 0, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,    \
 | 
      
         | 412 |  |  | /*lb0/1 */ \
 | 
      
         | 413 |  |  |   1, 1  \
 | 
      
         | 414 |  |  | }
 | 
      
         | 415 |  |  |  
 | 
      
         | 416 |  |  | /* 1 for registers not available across function calls.
 | 
      
         | 417 |  |  |    These must include the FIXED_REGISTERS and also any
 | 
      
         | 418 |  |  |    registers that can be used without being saved.
 | 
      
         | 419 |  |  |    The latter must include the registers where values are returned
 | 
      
         | 420 |  |  |    and the register where structure-value addresses are passed.
 | 
      
         | 421 |  |  |    Aside from that, you can include as many other registers as you like.  */
 | 
      
         | 422 |  |  |  
 | 
      
         | 423 |  |  | #define CALL_USED_REGISTERS \
 | 
      
         | 424 |  |  | /*r0 r1 r2 r3 r4 r5 r6 r7   p0 p1 p2 p3 p4 p5 p6 p7 */ \
 | 
      
         | 425 |  |  | { 1, 1, 1, 1, 0, 0, 0, 0,   1, 1, 1, 0, 0, 0, 1, 0, \
 | 
      
         | 426 |  |  | /*i0 i1 i2 i3 b0 b1 b2 b3   l0 l1 l2 l3 m0 m1 m2 m3 */ \
 | 
      
         | 427 |  |  |   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,   \
 | 
      
         | 428 |  |  | /*a0 a1 cc rets/i/x/n/e     astat seqstat usp argp lt0/1 lc0/1 */ \
 | 
      
         | 429 |  |  |   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1, \
 | 
      
         | 430 |  |  | /*lb0/1 */ \
 | 
      
         | 431 |  |  |   1, 1  \
 | 
      
         | 432 |  |  | }
 | 
      
         | 433 |  |  |  
 | 
      
         | 434 |  |  | /* Order in which to allocate registers.  Each register must be
 | 
      
         | 435 |  |  |    listed once, even those in FIXED_REGISTERS.  List frame pointer
 | 
      
         | 436 |  |  |    late and fixed registers last.  Note that, in general, we prefer
 | 
      
         | 437 |  |  |    registers listed in CALL_USED_REGISTERS, keeping the others
 | 
      
         | 438 |  |  |    available for storage of persistent values. */
 | 
      
         | 439 |  |  |  
 | 
      
         | 440 |  |  | #define REG_ALLOC_ORDER \
 | 
      
         | 441 |  |  | { REG_R0, REG_R1, REG_R2, REG_R3, REG_R7, REG_R6, REG_R5, REG_R4, \
 | 
      
         | 442 |  |  |   REG_P2, REG_P1, REG_P0, REG_P5, REG_P4, REG_P3, REG_P6, REG_P7, \
 | 
      
         | 443 |  |  |   REG_A0, REG_A1, \
 | 
      
         | 444 |  |  |   REG_I0, REG_I1, REG_I2, REG_I3, REG_B0, REG_B1, REG_B2, REG_B3, \
 | 
      
         | 445 |  |  |   REG_L0, REG_L1, REG_L2, REG_L3, REG_M0, REG_M1, REG_M2, REG_M3, \
 | 
      
         | 446 |  |  |   REG_RETS, REG_RETI, REG_RETX, REG_RETN, REG_RETE,               \
 | 
      
         | 447 |  |  |   REG_ASTAT, REG_SEQSTAT, REG_USP,                                \
 | 
      
         | 448 |  |  |   REG_CC, REG_ARGP,                                               \
 | 
      
         | 449 |  |  |   REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1            \
 | 
      
         | 450 |  |  | }
 | 
      
         | 451 |  |  |  
 | 
      
         | 452 |  |  | /* Define the classes of registers for register constraints in the
 | 
      
         | 453 |  |  |    machine description.  Also define ranges of constants.
 | 
      
         | 454 |  |  |  
 | 
      
         | 455 |  |  |    One of the classes must always be named ALL_REGS and include all hard regs.
 | 
      
         | 456 |  |  |    If there is more than one class, another class must be named NO_REGS
 | 
      
         | 457 |  |  |    and contain no registers.
 | 
      
         | 458 |  |  |  
 | 
      
         | 459 |  |  |    The name GENERAL_REGS must be the name of a class (or an alias for
 | 
      
         | 460 |  |  |    another name such as ALL_REGS).  This is the class of registers
 | 
      
         | 461 |  |  |    that is allowed by "g" or "r" in a register constraint.
 | 
      
         | 462 |  |  |    Also, registers outside this class are allocated only when
 | 
      
         | 463 |  |  |    instructions express preferences for them.
 | 
      
         | 464 |  |  |  
 | 
      
         | 465 |  |  |    The classes must be numbered in nondecreasing order; that is,
 | 
      
         | 466 |  |  |    a larger-numbered class must never be contained completely
 | 
      
         | 467 |  |  |    in a smaller-numbered class.
 | 
      
         | 468 |  |  |  
 | 
      
         | 469 |  |  |    For any two classes, it is very desirable that there be another
 | 
      
         | 470 |  |  |    class that represents their union. */
 | 
      
         | 471 |  |  |  
 | 
      
         | 472 |  |  |  
 | 
      
         | 473 |  |  | enum reg_class
 | 
      
         | 474 |  |  | {
 | 
      
         | 475 |  |  |   NO_REGS,
 | 
      
         | 476 |  |  |   IREGS,
 | 
      
         | 477 |  |  |   BREGS,
 | 
      
         | 478 |  |  |   LREGS,
 | 
      
         | 479 |  |  |   MREGS,
 | 
      
         | 480 |  |  |   CIRCREGS, /* Circular buffering registers, Ix, Bx, Lx together form.  See Automatic Circular Buffering.  */
 | 
      
         | 481 |  |  |   DAGREGS,
 | 
      
         | 482 |  |  |   EVEN_AREGS,
 | 
      
         | 483 |  |  |   ODD_AREGS,
 | 
      
         | 484 |  |  |   AREGS,
 | 
      
         | 485 |  |  |   CCREGS,
 | 
      
         | 486 |  |  |   EVEN_DREGS,
 | 
      
         | 487 |  |  |   ODD_DREGS,
 | 
      
         | 488 |  |  |   D0REGS,
 | 
      
         | 489 |  |  |   D1REGS,
 | 
      
         | 490 |  |  |   D2REGS,
 | 
      
         | 491 |  |  |   D3REGS,
 | 
      
         | 492 |  |  |   D4REGS,
 | 
      
         | 493 |  |  |   D5REGS,
 | 
      
         | 494 |  |  |   D6REGS,
 | 
      
         | 495 |  |  |   D7REGS,
 | 
      
         | 496 |  |  |   DREGS,
 | 
      
         | 497 |  |  |   P0REGS,
 | 
      
         | 498 |  |  |   FDPIC_REGS,
 | 
      
         | 499 |  |  |   FDPIC_FPTR_REGS,
 | 
      
         | 500 |  |  |   PREGS_CLOBBERED,
 | 
      
         | 501 |  |  |   PREGS,
 | 
      
         | 502 |  |  |   IPREGS,
 | 
      
         | 503 |  |  |   DPREGS,
 | 
      
         | 504 |  |  |   MOST_REGS,
 | 
      
         | 505 |  |  |   LT_REGS,
 | 
      
         | 506 |  |  |   LC_REGS,
 | 
      
         | 507 |  |  |   LB_REGS,
 | 
      
         | 508 |  |  |   PROLOGUE_REGS,
 | 
      
         | 509 |  |  |   NON_A_CC_REGS,
 | 
      
         | 510 |  |  |   ALL_REGS, LIM_REG_CLASSES
 | 
      
         | 511 |  |  | };
 | 
      
         | 512 |  |  |  
 | 
      
         | 513 |  |  | #define N_REG_CLASSES ((int)LIM_REG_CLASSES)
 | 
      
         | 514 |  |  |  
 | 
      
         | 515 |  |  | #define GENERAL_REGS DPREGS
 | 
      
         | 516 |  |  |  
 | 
      
         | 517 |  |  | /* Give names of register classes as strings for dump file.   */
 | 
      
         | 518 |  |  |  
 | 
      
         | 519 |  |  | #define REG_CLASS_NAMES \
 | 
      
         | 520 |  |  | {  "NO_REGS",           \
 | 
      
         | 521 |  |  |    "IREGS",             \
 | 
      
         | 522 |  |  |    "BREGS",             \
 | 
      
         | 523 |  |  |    "LREGS",             \
 | 
      
         | 524 |  |  |    "MREGS",             \
 | 
      
         | 525 |  |  |    "CIRCREGS",          \
 | 
      
         | 526 |  |  |    "DAGREGS",           \
 | 
      
         | 527 |  |  |    "EVEN_AREGS",        \
 | 
      
         | 528 |  |  |    "ODD_AREGS",         \
 | 
      
         | 529 |  |  |    "AREGS",             \
 | 
      
         | 530 |  |  |    "CCREGS",            \
 | 
      
         | 531 |  |  |    "EVEN_DREGS",        \
 | 
      
         | 532 |  |  |    "ODD_DREGS",         \
 | 
      
         | 533 |  |  |    "D0REGS",            \
 | 
      
         | 534 |  |  |    "D1REGS",            \
 | 
      
         | 535 |  |  |    "D2REGS",            \
 | 
      
         | 536 |  |  |    "D3REGS",            \
 | 
      
         | 537 |  |  |    "D4REGS",            \
 | 
      
         | 538 |  |  |    "D5REGS",            \
 | 
      
         | 539 |  |  |    "D6REGS",            \
 | 
      
         | 540 |  |  |    "D7REGS",            \
 | 
      
         | 541 |  |  |    "DREGS",             \
 | 
      
         | 542 |  |  |    "P0REGS",            \
 | 
      
         | 543 |  |  |    "FDPIC_REGS",        \
 | 
      
         | 544 |  |  |    "FDPIC_FPTR_REGS",   \
 | 
      
         | 545 |  |  |    "PREGS_CLOBBERED",   \
 | 
      
         | 546 |  |  |    "PREGS",             \
 | 
      
         | 547 |  |  |    "IPREGS",            \
 | 
      
         | 548 |  |  |    "DPREGS",            \
 | 
      
         | 549 |  |  |    "MOST_REGS",         \
 | 
      
         | 550 |  |  |    "LT_REGS",           \
 | 
      
         | 551 |  |  |    "LC_REGS",           \
 | 
      
         | 552 |  |  |    "LB_REGS",           \
 | 
      
         | 553 |  |  |    "PROLOGUE_REGS",     \
 | 
      
         | 554 |  |  |    "NON_A_CC_REGS",     \
 | 
      
         | 555 |  |  |    "ALL_REGS" }
 | 
      
         | 556 |  |  |  
 | 
      
         | 557 |  |  | /* An initializer containing the contents of the register classes, as integers
 | 
      
         | 558 |  |  |    which are bit masks.  The Nth integer specifies the contents of class N.
 | 
      
         | 559 |  |  |    The way the integer MASK is interpreted is that register R is in the class
 | 
      
         | 560 |  |  |    if `MASK & (1 << R)' is 1.
 | 
      
         | 561 |  |  |  
 | 
      
         | 562 |  |  |    When the machine has more than 32 registers, an integer does not suffice.
 | 
      
         | 563 |  |  |    Then the integers are replaced by sub-initializers, braced groupings
 | 
      
         | 564 |  |  |    containing several integers.  Each sub-initializer must be suitable as an
 | 
      
         | 565 |  |  |    initializer for the type `HARD_REG_SET' which is defined in
 | 
      
         | 566 |  |  |    `hard-reg-set.h'.  */
 | 
      
         | 567 |  |  |  
 | 
      
         | 568 |  |  | /* NOTE: DSP registers, IREGS - AREGS, are not GENERAL_REGS.  We use
 | 
      
         | 569 |  |  |    MOST_REGS as the union of DPREGS and DAGREGS.  */
 | 
      
         | 570 |  |  |  
 | 
      
         | 571 |  |  | #define REG_CLASS_CONTENTS \
 | 
      
         | 572 |  |  |     /* 31 - 0       63-32   */ \
 | 
      
         | 573 |  |  | {   { 0x00000000,    0 },               /* NO_REGS */   \
 | 
      
         | 574 |  |  |     { 0x000f0000,    0 },               /* IREGS */     \
 | 
      
         | 575 |  |  |     { 0x00f00000,    0 },               /* BREGS */             \
 | 
      
         | 576 |  |  |     { 0x0f000000,    0 },               /* LREGS */     \
 | 
      
         | 577 |  |  |     { 0xf0000000,    0 },               /* MREGS */   \
 | 
      
         | 578 |  |  |     { 0x0fff0000,    0 },               /* CIRCREGS */   \
 | 
      
         | 579 |  |  |     { 0xffff0000,    0 },               /* DAGREGS */   \
 | 
      
         | 580 |  |  |     { 0x00000000,    0x1 },             /* EVEN_AREGS */   \
 | 
      
         | 581 |  |  |     { 0x00000000,    0x2 },             /* ODD_AREGS */   \
 | 
      
         | 582 |  |  |     { 0x00000000,    0x3 },             /* AREGS */   \
 | 
      
         | 583 |  |  |     { 0x00000000,    0x4 },             /* CCREGS */  \
 | 
      
         | 584 |  |  |     { 0x00000055,    0 },               /* EVEN_DREGS */   \
 | 
      
         | 585 |  |  |     { 0x000000aa,    0 },               /* ODD_DREGS */   \
 | 
      
         | 586 |  |  |     { 0x00000001,    0 },               /* D0REGS */   \
 | 
      
         | 587 |  |  |     { 0x00000002,    0 },               /* D1REGS */   \
 | 
      
         | 588 |  |  |     { 0x00000004,    0 },               /* D2REGS */   \
 | 
      
         | 589 |  |  |     { 0x00000008,    0 },               /* D3REGS */   \
 | 
      
         | 590 |  |  |     { 0x00000010,    0 },               /* D4REGS */   \
 | 
      
         | 591 |  |  |     { 0x00000020,    0 },               /* D5REGS */   \
 | 
      
         | 592 |  |  |     { 0x00000040,    0 },               /* D6REGS */   \
 | 
      
         | 593 |  |  |     { 0x00000080,    0 },               /* D7REGS */   \
 | 
      
         | 594 |  |  |     { 0x000000ff,    0 },               /* DREGS */   \
 | 
      
         | 595 |  |  |     { 0x00000100,    0x000 },           /* P0REGS */   \
 | 
      
         | 596 |  |  |     { 0x00000800,    0x000 },           /* FDPIC_REGS */   \
 | 
      
         | 597 |  |  |     { 0x00000200,    0x000 },           /* FDPIC_FPTR_REGS */   \
 | 
      
         | 598 |  |  |     { 0x00004700,    0x800 },           /* PREGS_CLOBBERED */   \
 | 
      
         | 599 |  |  |     { 0x0000ff00,    0x800 },           /* PREGS */   \
 | 
      
         | 600 |  |  |     { 0x000fff00,    0x800 },           /* IPREGS */    \
 | 
      
         | 601 |  |  |     { 0x0000ffff,    0x800 },           /* DPREGS */   \
 | 
      
         | 602 |  |  |     { 0xffffffff,    0x800 },           /* MOST_REGS */\
 | 
      
         | 603 |  |  |     { 0x00000000,    0x3000 },          /* LT_REGS */\
 | 
      
         | 604 |  |  |     { 0x00000000,    0xc000 },          /* LC_REGS */\
 | 
      
         | 605 |  |  |     { 0x00000000,    0x30000 },         /* LB_REGS */\
 | 
      
         | 606 |  |  |     { 0x00000000,    0x3f7f8 },         /* PROLOGUE_REGS */\
 | 
      
         | 607 |  |  |     { 0xffffffff,    0x3fff8 },         /* NON_A_CC_REGS */\
 | 
      
         | 608 |  |  |     { 0xffffffff,    0x3ffff }}         /* ALL_REGS */
 | 
      
         | 609 |  |  |  
 | 
      
         | 610 |  |  | #define IREG_POSSIBLE_P(OUTER)                               \
 | 
      
         | 611 |  |  |   ((OUTER) == POST_INC || (OUTER) == PRE_INC                 \
 | 
      
         | 612 |  |  |    || (OUTER) == POST_DEC || (OUTER) == PRE_DEC              \
 | 
      
         | 613 |  |  |    || (OUTER) == MEM || (OUTER) == ADDRESS)
 | 
      
         | 614 |  |  |  
 | 
      
         | 615 |  |  | #define MODE_CODE_BASE_REG_CLASS(MODE, AS, OUTER, INDEX)        \
 | 
      
         | 616 |  |  |   ((MODE) == HImode && IREG_POSSIBLE_P (OUTER) ? IPREGS : PREGS)
 | 
      
         | 617 |  |  |  
 | 
      
         | 618 |  |  | #define INDEX_REG_CLASS         PREGS
 | 
      
         | 619 |  |  |  
 | 
      
         | 620 |  |  | #define REGNO_OK_FOR_BASE_STRICT_P(X, MODE, OUTER, INDEX)       \
 | 
      
         | 621 |  |  |   (P_REGNO_P (X) || (X) == REG_ARGP                             \
 | 
      
         | 622 |  |  |    || (IREG_POSSIBLE_P (OUTER) && (MODE) == HImode              \
 | 
      
         | 623 |  |  |        && I_REGNO_P (X)))
 | 
      
         | 624 |  |  |  
 | 
      
         | 625 |  |  | #define REGNO_OK_FOR_BASE_NONSTRICT_P(X, MODE, OUTER, INDEX)    \
 | 
      
         | 626 |  |  |   ((X) >= FIRST_PSEUDO_REGISTER                                 \
 | 
      
         | 627 |  |  |    || REGNO_OK_FOR_BASE_STRICT_P (X, MODE, OUTER, INDEX))
 | 
      
         | 628 |  |  |  
 | 
      
         | 629 |  |  | #ifdef REG_OK_STRICT
 | 
      
         | 630 |  |  | #define REGNO_MODE_CODE_OK_FOR_BASE_P(X, MODE, AS, OUTER, INDEX) \
 | 
      
         | 631 |  |  |   REGNO_OK_FOR_BASE_STRICT_P (X, MODE, OUTER, INDEX)
 | 
      
         | 632 |  |  | #else
 | 
      
         | 633 |  |  | #define REGNO_MODE_CODE_OK_FOR_BASE_P(X, MODE, AS, OUTER, INDEX) \
 | 
      
         | 634 |  |  |   REGNO_OK_FOR_BASE_NONSTRICT_P (X, MODE, OUTER, INDEX)
 | 
      
         | 635 |  |  | #endif
 | 
      
         | 636 |  |  |  
 | 
      
         | 637 |  |  | #define REGNO_OK_FOR_INDEX_P(X)   0
 | 
      
         | 638 |  |  |  
 | 
      
         | 639 |  |  | /* The same information, inverted:
 | 
      
         | 640 |  |  |    Return the class number of the smallest class containing
 | 
      
         | 641 |  |  |    reg number REGNO.  This could be a conditional expression
 | 
      
         | 642 |  |  |    or could index an array.  */
 | 
      
         | 643 |  |  |  
 | 
      
         | 644 |  |  | #define REGNO_REG_CLASS(REGNO) \
 | 
      
         | 645 |  |  | ((REGNO) == REG_R0 ? D0REGS                             \
 | 
      
         | 646 |  |  |  : (REGNO) == REG_R1 ? D1REGS                           \
 | 
      
         | 647 |  |  |  : (REGNO) == REG_R2 ? D2REGS                           \
 | 
      
         | 648 |  |  |  : (REGNO) == REG_R3 ? D3REGS                           \
 | 
      
         | 649 |  |  |  : (REGNO) == REG_R4 ? D4REGS                           \
 | 
      
         | 650 |  |  |  : (REGNO) == REG_R5 ? D5REGS                           \
 | 
      
         | 651 |  |  |  : (REGNO) == REG_R6 ? D6REGS                           \
 | 
      
         | 652 |  |  |  : (REGNO) == REG_R7 ? D7REGS                           \
 | 
      
         | 653 |  |  |  : (REGNO) == REG_P0 ? P0REGS                           \
 | 
      
         | 654 |  |  |  : (REGNO) < REG_I0 ? PREGS                             \
 | 
      
         | 655 |  |  |  : (REGNO) == REG_ARGP ? PREGS                          \
 | 
      
         | 656 |  |  |  : (REGNO) >= REG_I0 && (REGNO) <= REG_I3 ? IREGS       \
 | 
      
         | 657 |  |  |  : (REGNO) >= REG_L0 && (REGNO) <= REG_L3 ? LREGS       \
 | 
      
         | 658 |  |  |  : (REGNO) >= REG_B0 && (REGNO) <= REG_B3 ? BREGS       \
 | 
      
         | 659 |  |  |  : (REGNO) >= REG_M0 && (REGNO) <= REG_M3 ? MREGS       \
 | 
      
         | 660 |  |  |  : (REGNO) == REG_A0 || (REGNO) == REG_A1 ? AREGS       \
 | 
      
         | 661 |  |  |  : (REGNO) == REG_LT0 || (REGNO) == REG_LT1 ? LT_REGS   \
 | 
      
         | 662 |  |  |  : (REGNO) == REG_LC0 || (REGNO) == REG_LC1 ? LC_REGS   \
 | 
      
         | 663 |  |  |  : (REGNO) == REG_LB0 || (REGNO) == REG_LB1 ? LB_REGS   \
 | 
      
         | 664 |  |  |  : (REGNO) == REG_CC ? CCREGS                           \
 | 
      
         | 665 |  |  |  : (REGNO) >= REG_RETS ? PROLOGUE_REGS                  \
 | 
      
         | 666 |  |  |  : NO_REGS)
 | 
      
         | 667 |  |  |  
 | 
      
         | 668 |  |  | /* When this hook returns true for MODE, the compiler allows
 | 
      
         | 669 |  |  |    registers explicitly used in the rtl to be used as spill registers
 | 
      
         | 670 |  |  |    but prevents the compiler from extending the lifetime of these
 | 
      
         | 671 |  |  |    registers.  */
 | 
      
         | 672 |  |  | #define TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P hook_bool_mode_true
 | 
      
         | 673 |  |  |  
 | 
      
         | 674 |  |  | /* Do not allow to store a value in REG_CC for any mode */
 | 
      
         | 675 |  |  | /* Do not allow to store value in pregs if mode is not SI*/
 | 
      
         | 676 |  |  | #define HARD_REGNO_MODE_OK(REGNO, MODE) hard_regno_mode_ok((REGNO), (MODE))
 | 
      
         | 677 |  |  |  
 | 
      
         | 678 |  |  | /* Return the maximum number of consecutive registers
 | 
      
         | 679 |  |  |    needed to represent mode MODE in a register of class CLASS.  */
 | 
      
         | 680 |  |  | #define CLASS_MAX_NREGS(CLASS, MODE)                                    \
 | 
      
         | 681 |  |  |   ((MODE) == V2PDImode && (CLASS) == AREGS ? 2                          \
 | 
      
         | 682 |  |  |    : ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD))
 | 
      
         | 683 |  |  |  
 | 
      
         | 684 |  |  | #define HARD_REGNO_NREGS(REGNO, MODE) \
 | 
      
         | 685 |  |  |   ((MODE) == PDImode && ((REGNO) == REG_A0 || (REGNO) == REG_A1) ? 1    \
 | 
      
         | 686 |  |  |    : (MODE) == V2PDImode && ((REGNO) == REG_A0 || (REGNO) == REG_A1) ? 2 \
 | 
      
         | 687 |  |  |    : CLASS_MAX_NREGS (GENERAL_REGS, MODE))
 | 
      
         | 688 |  |  |  
 | 
      
         | 689 |  |  | /* A C expression that is nonzero if hard register TO can be
 | 
      
         | 690 |  |  |    considered for use as a rename register for FROM register */
 | 
      
         | 691 |  |  | #define HARD_REGNO_RENAME_OK(FROM, TO) bfin_hard_regno_rename_ok (FROM, TO)
 | 
      
         | 692 |  |  |  
 | 
      
         | 693 |  |  | /* A C expression that is nonzero if it is desirable to choose
 | 
      
         | 694 |  |  |    register allocation so as to avoid move instructions between a
 | 
      
         | 695 |  |  |    value of mode MODE1 and a value of mode MODE2.
 | 
      
         | 696 |  |  |  
 | 
      
         | 697 |  |  |    If `HARD_REGNO_MODE_OK (R, MODE1)' and `HARD_REGNO_MODE_OK (R,
 | 
      
         | 698 |  |  |    MODE2)' are ever different for any R, then `MODES_TIEABLE_P (MODE1,
 | 
      
         | 699 |  |  |    MODE2)' must be zero. */
 | 
      
         | 700 |  |  | #define MODES_TIEABLE_P(MODE1, MODE2)                   \
 | 
      
         | 701 |  |  |  ((MODE1) == (MODE2)                                    \
 | 
      
         | 702 |  |  |   || ((GET_MODE_CLASS (MODE1) == MODE_INT               \
 | 
      
         | 703 |  |  |        || GET_MODE_CLASS (MODE1) == MODE_FLOAT)         \
 | 
      
         | 704 |  |  |       && (GET_MODE_CLASS (MODE2) == MODE_INT            \
 | 
      
         | 705 |  |  |           || GET_MODE_CLASS (MODE2) == MODE_FLOAT)      \
 | 
      
         | 706 |  |  |       && (MODE1) != BImode && (MODE2) != BImode         \
 | 
      
         | 707 |  |  |       && GET_MODE_SIZE (MODE1) <= UNITS_PER_WORD        \
 | 
      
         | 708 |  |  |       && GET_MODE_SIZE (MODE2) <= UNITS_PER_WORD))
 | 
      
         | 709 |  |  |  
 | 
      
         | 710 |  |  | /* `PREFERRED_RELOAD_CLASS (X, CLASS)'
 | 
      
         | 711 |  |  |    A C expression that places additional restrictions on the register
 | 
      
         | 712 |  |  |    class to use when it is necessary to copy value X into a register
 | 
      
         | 713 |  |  |    in class CLASS.  The value is a register class; perhaps CLASS, or
 | 
      
         | 714 |  |  |    perhaps another, smaller class.  */
 | 
      
         | 715 |  |  | #define PREFERRED_RELOAD_CLASS(X, CLASS)                \
 | 
      
         | 716 |  |  |   (GET_CODE (X) == POST_INC                             \
 | 
      
         | 717 |  |  |    || GET_CODE (X) == POST_DEC                          \
 | 
      
         | 718 |  |  |    || GET_CODE (X) == PRE_DEC ? PREGS : (CLASS))
 | 
      
         | 719 |  |  |  
 | 
      
         | 720 |  |  | /* Function Calling Conventions. */
 | 
      
         | 721 |  |  |  
 | 
      
         | 722 |  |  | /* The type of the current function; normal functions are of type
 | 
      
         | 723 |  |  |    SUBROUTINE.  */
 | 
      
         | 724 |  |  | typedef enum {
 | 
      
         | 725 |  |  |   SUBROUTINE, INTERRUPT_HANDLER, EXCPT_HANDLER, NMI_HANDLER
 | 
      
         | 726 |  |  | } e_funkind;
 | 
      
         | 727 |  |  | #define FUNCTION_RETURN_REGISTERS { REG_RETS, REG_RETI, REG_RETX, REG_RETN }
 | 
      
         | 728 |  |  |  
 | 
      
         | 729 |  |  | #define FUNCTION_ARG_REGISTERS { REG_R0, REG_R1, REG_R2, -1 }
 | 
      
         | 730 |  |  |  
 | 
      
         | 731 |  |  | /* Flags for the call/call_value rtl operations set up by function_arg */
 | 
      
         | 732 |  |  | #define CALL_NORMAL             0x00000000      /* no special processing */
 | 
      
         | 733 |  |  | #define CALL_LONG               0x00000001      /* always call indirect */
 | 
      
         | 734 |  |  | #define CALL_SHORT              0x00000002      /* always call by symbol */
 | 
      
         | 735 |  |  |  
 | 
      
         | 736 |  |  | typedef struct {
 | 
      
         | 737 |  |  |   int words;                    /* # words passed so far */
 | 
      
         | 738 |  |  |   int nregs;                    /* # registers available for passing */
 | 
      
         | 739 |  |  |   int *arg_regs;                /* array of register -1 terminated */
 | 
      
         | 740 |  |  |   int call_cookie;              /* Do special things for this call */
 | 
      
         | 741 |  |  | } CUMULATIVE_ARGS;
 | 
      
         | 742 |  |  |  
 | 
      
         | 743 |  |  | #define FUNCTION_ARG_REGNO_P(REGNO) function_arg_regno_p (REGNO)
 | 
      
         | 744 |  |  |  
 | 
      
         | 745 |  |  |  
 | 
      
         | 746 |  |  | /* Initialize a variable CUM of type CUMULATIVE_ARGS
 | 
      
         | 747 |  |  |    for a call to a function whose data type is FNTYPE.
 | 
      
         | 748 |  |  |    For a library call, FNTYPE is 0.  */
 | 
      
         | 749 |  |  | #define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,INDIRECT, N_NAMED_ARGS) \
 | 
      
         | 750 |  |  |   (init_cumulative_args (&CUM, FNTYPE, LIBNAME))
 | 
      
         | 751 |  |  |  
 | 
      
         | 752 |  |  | /* Define how to find the value returned by a function.
 | 
      
         | 753 |  |  |    VALTYPE is the data type of the value (as a tree).
 | 
      
         | 754 |  |  |    If the precise function being called is known, FUNC is its FUNCTION_DECL;
 | 
      
         | 755 |  |  |    otherwise, FUNC is 0.
 | 
      
         | 756 |  |  | */
 | 
      
         | 757 |  |  |  
 | 
      
         | 758 |  |  | #define VALUE_REGNO(MODE) (REG_R0)
 | 
      
         | 759 |  |  |  
 | 
      
         | 760 |  |  | #define FUNCTION_VALUE(VALTYPE, FUNC)           \
 | 
      
         | 761 |  |  |   gen_rtx_REG (TYPE_MODE (VALTYPE),             \
 | 
      
         | 762 |  |  |                VALUE_REGNO(TYPE_MODE(VALTYPE)))
 | 
      
         | 763 |  |  |  
 | 
      
         | 764 |  |  | /* Define how to find the value returned by a library function
 | 
      
         | 765 |  |  |    assuming the value has mode MODE.  */
 | 
      
         | 766 |  |  |  
 | 
      
         | 767 |  |  | #define LIBCALL_VALUE(MODE)  gen_rtx_REG (MODE, VALUE_REGNO(MODE))
 | 
      
         | 768 |  |  |  
 | 
      
         | 769 |  |  | #define FUNCTION_VALUE_REGNO_P(N) ((N) == REG_R0)
 | 
      
         | 770 |  |  |  
 | 
      
         | 771 |  |  | #define DEFAULT_PCC_STRUCT_RETURN 0
 | 
      
         | 772 |  |  |  
 | 
      
         | 773 |  |  | /* Before the prologue, the return address is in the RETS register.  */
 | 
      
         | 774 |  |  | #define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (Pmode, REG_RETS)
 | 
      
         | 775 |  |  |  
 | 
      
         | 776 |  |  | #define RETURN_ADDR_RTX(COUNT, FRAME) bfin_return_addr_rtx (COUNT)
 | 
      
         | 777 |  |  |  
 | 
      
         | 778 |  |  | #define DWARF_FRAME_RETURN_COLUMN DWARF_FRAME_REGNUM (REG_RETS)
 | 
      
         | 779 |  |  |  
 | 
      
         | 780 |  |  | /* Call instructions don't modify the stack pointer on the Blackfin.  */
 | 
      
         | 781 |  |  | #define INCOMING_FRAME_SP_OFFSET 0
 | 
      
         | 782 |  |  |  
 | 
      
         | 783 |  |  | /* Describe how we implement __builtin_eh_return.  */
 | 
      
         | 784 |  |  | #define EH_RETURN_DATA_REGNO(N) ((N) < 2 ? (N) : INVALID_REGNUM)
 | 
      
         | 785 |  |  | #define EH_RETURN_STACKADJ_RTX  gen_rtx_REG (Pmode, REG_P2)
 | 
      
         | 786 |  |  | #define EH_RETURN_HANDLER_RTX \
 | 
      
         | 787 |  |  |     gen_frame_mem (Pmode, plus_constant (frame_pointer_rtx, UNITS_PER_WORD))
 | 
      
         | 788 |  |  |  
 | 
      
         | 789 |  |  | /* Addressing Modes */
 | 
      
         | 790 |  |  |  
 | 
      
         | 791 |  |  | /*   A number, the maximum number of registers that can appear in a
 | 
      
         | 792 |  |  |      valid memory address.  Note that it is up to you to specify a
 | 
      
         | 793 |  |  |      value equal to the maximum number that `TARGET_LEGITIMATE_ADDRESS_P'
 | 
      
         | 794 |  |  |      would ever accept. */
 | 
      
         | 795 |  |  | #define MAX_REGS_PER_ADDRESS 1
 | 
      
         | 796 |  |  |  
 | 
      
         | 797 |  |  | #define LEGITIMATE_MODE_FOR_AUTOINC_P(MODE) \
 | 
      
         | 798 |  |  |       (GET_MODE_SIZE (MODE) <= 4 || (MODE) == PDImode)
 | 
      
         | 799 |  |  |  
 | 
      
         | 800 |  |  | #define HAVE_POST_INCREMENT 1
 | 
      
         | 801 |  |  | #define HAVE_POST_DECREMENT 1
 | 
      
         | 802 |  |  | #define HAVE_PRE_DECREMENT  1
 | 
      
         | 803 |  |  |  
 | 
      
         | 804 |  |  | /* `LEGITIMATE_PIC_OPERAND_P (X)'
 | 
      
         | 805 |  |  |      A C expression that is nonzero if X is a legitimate immediate
 | 
      
         | 806 |  |  |      operand on the target machine when generating position independent
 | 
      
         | 807 |  |  |      code.  You can assume that X satisfies `CONSTANT_P', so you need
 | 
      
         | 808 |  |  |      not check this.  You can also assume FLAG_PIC is true, so you need
 | 
      
         | 809 |  |  |      not check it either.  You need not define this macro if all
 | 
      
         | 810 |  |  |      constants (including `SYMBOL_REF') can be immediate operands when
 | 
      
         | 811 |  |  |      generating position independent code. */
 | 
      
         | 812 |  |  | #define LEGITIMATE_PIC_OPERAND_P(X) ! SYMBOLIC_CONST (X)
 | 
      
         | 813 |  |  |  
 | 
      
         | 814 |  |  | #define SYMBOLIC_CONST(X)       \
 | 
      
         | 815 |  |  | (GET_CODE (X) == SYMBOL_REF                                             \
 | 
      
         | 816 |  |  |  || GET_CODE (X) == LABEL_REF                                           \
 | 
      
         | 817 |  |  |  || (GET_CODE (X) == CONST && symbolic_reference_mentioned_p (X)))
 | 
      
         | 818 |  |  |  
 | 
      
         | 819 |  |  | #define NOTICE_UPDATE_CC(EXPR, INSN) 0
 | 
      
         | 820 |  |  |  
 | 
      
         | 821 |  |  | /* Value is 1 if truncating an integer of INPREC bits to OUTPREC bits
 | 
      
         | 822 |  |  |    is done just by pretending it is already truncated.  */
 | 
      
         | 823 |  |  | #define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1
 | 
      
         | 824 |  |  |  
 | 
      
         | 825 |  |  | /* Max number of bytes we can move from memory to memory
 | 
      
         | 826 |  |  |    in one reasonably fast instruction.  */
 | 
      
         | 827 |  |  | #define MOVE_MAX UNITS_PER_WORD
 | 
      
         | 828 |  |  |  
 | 
      
         | 829 |  |  | /* If a memory-to-memory move would take MOVE_RATIO or more simple
 | 
      
         | 830 |  |  |    move-instruction pairs, we will do a movmem or libcall instead.  */
 | 
      
         | 831 |  |  |  
 | 
      
         | 832 |  |  | #define MOVE_RATIO(speed) 5
 | 
      
         | 833 |  |  |  
 | 
      
         | 834 |  |  | /* STORAGE LAYOUT: target machine storage layout
 | 
      
         | 835 |  |  |    Define this macro as a C expression which is nonzero if accessing
 | 
      
         | 836 |  |  |    less than a word of memory (i.e. a `char' or a `short') is no
 | 
      
         | 837 |  |  |    faster than accessing a word of memory, i.e., if such access
 | 
      
         | 838 |  |  |    require more than one instruction or if there is no difference in
 | 
      
         | 839 |  |  |    cost between byte and (aligned) word loads.
 | 
      
         | 840 |  |  |  
 | 
      
         | 841 |  |  |    When this macro is not defined, the compiler will access a field by
 | 
      
         | 842 |  |  |    finding the smallest containing object; when it is defined, a
 | 
      
         | 843 |  |  |    fullword load will be used if alignment permits.  Unless bytes
 | 
      
         | 844 |  |  |    accesses are faster than word accesses, using word accesses is
 | 
      
         | 845 |  |  |    preferable since it may eliminate subsequent memory access if
 | 
      
         | 846 |  |  |    subsequent accesses occur to other fields in the same word of the
 | 
      
         | 847 |  |  |    structure, but to different bytes.  */
 | 
      
         | 848 |  |  | #define SLOW_BYTE_ACCESS  0
 | 
      
         | 849 |  |  | #define SLOW_SHORT_ACCESS 0
 | 
      
         | 850 |  |  |  
 | 
      
         | 851 |  |  | /* Define this if most significant bit is lowest numbered
 | 
      
         | 852 |  |  |    in instructions that operate on numbered bit-fields. */
 | 
      
         | 853 |  |  | #define BITS_BIG_ENDIAN  0
 | 
      
         | 854 |  |  |  
 | 
      
         | 855 |  |  | /* Define this if most significant byte of a word is the lowest numbered.
 | 
      
         | 856 |  |  |    We can't access bytes but if we could we would in the Big Endian order. */
 | 
      
         | 857 |  |  | #define BYTES_BIG_ENDIAN 0
 | 
      
         | 858 |  |  |  
 | 
      
         | 859 |  |  | /* Define this if most significant word of a multiword number is numbered. */
 | 
      
         | 860 |  |  | #define WORDS_BIG_ENDIAN 0
 | 
      
         | 861 |  |  |  
 | 
      
         | 862 |  |  | /* number of bits in an addressable storage unit */
 | 
      
         | 863 |  |  | #define BITS_PER_UNIT 8
 | 
      
         | 864 |  |  |  
 | 
      
         | 865 |  |  | /* Width in bits of a "word", which is the contents of a machine register.
 | 
      
         | 866 |  |  |    Note that this is not necessarily the width of data type `int';
 | 
      
         | 867 |  |  |    if using 16-bit ints on a 68000, this would still be 32.
 | 
      
         | 868 |  |  |    But on a machine with 16-bit registers, this would be 16.  */
 | 
      
         | 869 |  |  | #define BITS_PER_WORD 32
 | 
      
         | 870 |  |  |  
 | 
      
         | 871 |  |  | /* Width of a word, in units (bytes).  */
 | 
      
         | 872 |  |  | #define UNITS_PER_WORD 4
 | 
      
         | 873 |  |  |  
 | 
      
         | 874 |  |  | /* Width in bits of a pointer.
 | 
      
         | 875 |  |  |    See also the macro `Pmode1' defined below.  */
 | 
      
         | 876 |  |  | #define POINTER_SIZE 32
 | 
      
         | 877 |  |  |  
 | 
      
         | 878 |  |  | /* Allocation boundary (in *bits*) for storing pointers in memory.  */
 | 
      
         | 879 |  |  | #define POINTER_BOUNDARY 32
 | 
      
         | 880 |  |  |  
 | 
      
         | 881 |  |  | /* Allocation boundary (in *bits*) for storing arguments in argument list.  */
 | 
      
         | 882 |  |  | #define PARM_BOUNDARY 32
 | 
      
         | 883 |  |  |  
 | 
      
         | 884 |  |  | /* Boundary (in *bits*) on which stack pointer should be aligned.  */
 | 
      
         | 885 |  |  | #define STACK_BOUNDARY 32
 | 
      
         | 886 |  |  |  
 | 
      
         | 887 |  |  | /* Allocation boundary (in *bits*) for the code of a function.  */
 | 
      
         | 888 |  |  | #define FUNCTION_BOUNDARY 32
 | 
      
         | 889 |  |  |  
 | 
      
         | 890 |  |  | /* Alignment of field after `int : 0' in a structure.  */
 | 
      
         | 891 |  |  | #define EMPTY_FIELD_BOUNDARY BITS_PER_WORD
 | 
      
         | 892 |  |  |  
 | 
      
         | 893 |  |  | /* No data type wants to be aligned rounder than this.  */
 | 
      
         | 894 |  |  | #define BIGGEST_ALIGNMENT 32
 | 
      
         | 895 |  |  |  
 | 
      
         | 896 |  |  | /* Define this if move instructions will actually fail to work
 | 
      
         | 897 |  |  |    when given unaligned data.  */
 | 
      
         | 898 |  |  | #define STRICT_ALIGNMENT 1
 | 
      
         | 899 |  |  |  
 | 
      
         | 900 |  |  | /* (shell-command "rm c-decl.o stor-layout.o")
 | 
      
         | 901 |  |  |  *  never define PCC_BITFIELD_TYPE_MATTERS
 | 
      
         | 902 |  |  |  *  really cause some alignment problem
 | 
      
         | 903 |  |  |  */
 | 
      
         | 904 |  |  |  
 | 
      
         | 905 |  |  | #define UNITS_PER_FLOAT  ((FLOAT_TYPE_SIZE  + BITS_PER_UNIT - 1) / \
 | 
      
         | 906 |  |  |                            BITS_PER_UNIT)
 | 
      
         | 907 |  |  |  
 | 
      
         | 908 |  |  | #define UNITS_PER_DOUBLE ((DOUBLE_TYPE_SIZE + BITS_PER_UNIT - 1) / \
 | 
      
         | 909 |  |  |                            BITS_PER_UNIT)
 | 
      
         | 910 |  |  |  
 | 
      
         | 911 |  |  |  
 | 
      
         | 912 |  |  | /* what is the 'type' of size_t */
 | 
      
         | 913 |  |  | #define SIZE_TYPE "long unsigned int"
 | 
      
         | 914 |  |  |  
 | 
      
         | 915 |  |  | /* Define this as 1 if `char' should by default be signed; else as 0.  */
 | 
      
         | 916 |  |  | #define DEFAULT_SIGNED_CHAR 1
 | 
      
         | 917 |  |  | #define FLOAT_TYPE_SIZE BITS_PER_WORD
 | 
      
         | 918 |  |  | #define SHORT_TYPE_SIZE 16
 | 
      
         | 919 |  |  | #define CHAR_TYPE_SIZE  8
 | 
      
         | 920 |  |  | #define INT_TYPE_SIZE   32
 | 
      
         | 921 |  |  | #define LONG_TYPE_SIZE  32
 | 
      
         | 922 |  |  | #define LONG_LONG_TYPE_SIZE 64
 | 
      
         | 923 |  |  |  
 | 
      
         | 924 |  |  | /* Note: Fix this to depend on target switch. -- lev */
 | 
      
         | 925 |  |  |  
 | 
      
         | 926 |  |  | /* Note: Try to implement double and force long double. -- tonyko
 | 
      
         | 927 |  |  |  * #define __DOUBLES_ARE_FLOATS__
 | 
      
         | 928 |  |  |  * #define DOUBLE_TYPE_SIZE FLOAT_TYPE_SIZE
 | 
      
         | 929 |  |  |  * #define LONG_DOUBLE_TYPE_SIZE DOUBLE_TYPE_SIZE
 | 
      
         | 930 |  |  |  * #define DOUBLES_ARE_FLOATS 1
 | 
      
         | 931 |  |  |  */
 | 
      
         | 932 |  |  |  
 | 
      
         | 933 |  |  | #define DOUBLE_TYPE_SIZE        64
 | 
      
         | 934 |  |  | #define LONG_DOUBLE_TYPE_SIZE   64
 | 
      
         | 935 |  |  |  
 | 
      
         | 936 |  |  | /* `PROMOTE_MODE (M, UNSIGNEDP, TYPE)'
 | 
      
         | 937 |  |  |      A macro to update M and UNSIGNEDP when an object whose type is
 | 
      
         | 938 |  |  |      TYPE and which has the specified mode and signedness is to be
 | 
      
         | 939 |  |  |      stored in a register.  This macro is only called when TYPE is a
 | 
      
         | 940 |  |  |      scalar type.
 | 
      
         | 941 |  |  |  
 | 
      
         | 942 |  |  |      On most RISC machines, which only have operations that operate on
 | 
      
         | 943 |  |  |      a full register, define this macro to set M to `word_mode' if M is
 | 
      
         | 944 |  |  |      an integer mode narrower than `BITS_PER_WORD'.  In most cases,
 | 
      
         | 945 |  |  |      only integer modes should be widened because wider-precision
 | 
      
         | 946 |  |  |      floating-point operations are usually more expensive than their
 | 
      
         | 947 |  |  |      narrower counterparts.
 | 
      
         | 948 |  |  |  
 | 
      
         | 949 |  |  |      For most machines, the macro definition does not change UNSIGNEDP.
 | 
      
         | 950 |  |  |      However, some machines, have instructions that preferentially
 | 
      
         | 951 |  |  |      handle either signed or unsigned quantities of certain modes.  For
 | 
      
         | 952 |  |  |      example, on the DEC Alpha, 32-bit loads from memory and 32-bit add
 | 
      
         | 953 |  |  |      instructions sign-extend the result to 64 bits.  On such machines,
 | 
      
         | 954 |  |  |      set UNSIGNEDP according to which kind of extension is more
 | 
      
         | 955 |  |  |      efficient.
 | 
      
         | 956 |  |  |  
 | 
      
         | 957 |  |  |      Do not define this macro if it would never modify M.*/
 | 
      
         | 958 |  |  |  
 | 
      
         | 959 |  |  | #define BFIN_PROMOTE_MODE_P(MODE) \
 | 
      
         | 960 |  |  |     (!TARGET_DSP && GET_MODE_CLASS (MODE) == MODE_INT   \
 | 
      
         | 961 |  |  |       && GET_MODE_SIZE (MODE) < UNITS_PER_WORD)
 | 
      
         | 962 |  |  |  
 | 
      
         | 963 |  |  | #define PROMOTE_MODE(MODE, UNSIGNEDP, TYPE)     \
 | 
      
         | 964 |  |  |   if (BFIN_PROMOTE_MODE_P(MODE))                \
 | 
      
         | 965 |  |  |     {                                           \
 | 
      
         | 966 |  |  |       if (MODE == QImode)                       \
 | 
      
         | 967 |  |  |         UNSIGNEDP = 1;                          \
 | 
      
         | 968 |  |  |       else if (MODE == HImode)                  \
 | 
      
         | 969 |  |  |         UNSIGNEDP = 0;                          \
 | 
      
         | 970 |  |  |       (MODE) = SImode;                          \
 | 
      
         | 971 |  |  |     }
 | 
      
         | 972 |  |  |  
 | 
      
         | 973 |  |  | /* Describing Relative Costs of Operations */
 | 
      
         | 974 |  |  |  
 | 
      
         | 975 |  |  | /* Do not put function addr into constant pool */
 | 
      
         | 976 |  |  | #define NO_FUNCTION_CSE 1
 | 
      
         | 977 |  |  |  
 | 
      
         | 978 |  |  | /* Specify the machine mode that this machine uses
 | 
      
         | 979 |  |  |    for the index in the tablejump instruction.  */
 | 
      
         | 980 |  |  | #define CASE_VECTOR_MODE SImode
 | 
      
         | 981 |  |  |  
 | 
      
         | 982 |  |  | #define JUMP_TABLES_IN_TEXT_SECTION flag_pic
 | 
      
         | 983 |  |  |  
 | 
      
         | 984 |  |  | /* Define if operations between registers always perform the operation
 | 
      
         | 985 |  |  |    on the full register even if a narrower mode is specified.
 | 
      
         | 986 |  |  | #define WORD_REGISTER_OPERATIONS
 | 
      
         | 987 |  |  | */
 | 
      
         | 988 |  |  |  
 | 
      
         | 989 |  |  | /* Evaluates to true if A and B are mac flags that can be used
 | 
      
         | 990 |  |  |    together in a single multiply insn.  That is the case if they are
 | 
      
         | 991 |  |  |    both the same flag not involving M, or if one is a combination of
 | 
      
         | 992 |  |  |    the other with M.  */
 | 
      
         | 993 |  |  | #define MACFLAGS_MATCH_P(A, B) \
 | 
      
         | 994 |  |  |  ((A) == (B) \
 | 
      
         | 995 |  |  |   || ((A) == MACFLAG_NONE && (B) == MACFLAG_M) \
 | 
      
         | 996 |  |  |   || ((A) == MACFLAG_M && (B) == MACFLAG_NONE) \
 | 
      
         | 997 |  |  |   || ((A) == MACFLAG_IS && (B) == MACFLAG_IS_M) \
 | 
      
         | 998 |  |  |   || ((A) == MACFLAG_IS_M && (B) == MACFLAG_IS))
 | 
      
         | 999 |  |  |  
 | 
      
         | 1000 |  |  | /* Switch into a generic section.  */
 | 
      
         | 1001 |  |  | #define TARGET_ASM_NAMED_SECTION  default_elf_asm_named_section
 | 
      
         | 1002 |  |  |  
 | 
      
         | 1003 |  |  | #define PRINT_OPERAND(FILE, RTX, CODE)   print_operand (FILE, RTX, CODE)
 | 
      
         | 1004 |  |  | #define PRINT_OPERAND_ADDRESS(FILE, RTX) print_address_operand (FILE, RTX)
 | 
      
         | 1005 |  |  |  
 | 
      
         | 1006 |  |  | typedef enum sections {
 | 
      
         | 1007 |  |  |     CODE_DIR,
 | 
      
         | 1008 |  |  |     DATA_DIR,
 | 
      
         | 1009 |  |  |     LAST_SECT_NM
 | 
      
         | 1010 |  |  | } SECT_ENUM_T;
 | 
      
         | 1011 |  |  |  
 | 
      
         | 1012 |  |  | typedef enum directives {
 | 
      
         | 1013 |  |  |     LONG_CONST_DIR,
 | 
      
         | 1014 |  |  |     SHORT_CONST_DIR,
 | 
      
         | 1015 |  |  |     BYTE_CONST_DIR,
 | 
      
         | 1016 |  |  |     SPACE_DIR,
 | 
      
         | 1017 |  |  |     INIT_DIR,
 | 
      
         | 1018 |  |  |     LAST_DIR_NM
 | 
      
         | 1019 |  |  | } DIR_ENUM_T;
 | 
      
         | 1020 |  |  |  
 | 
      
         | 1021 |  |  | #define IS_ASM_LOGICAL_LINE_SEPARATOR(C, STR)   \
 | 
      
         | 1022 |  |  |   ((C) == ';'                                   \
 | 
      
         | 1023 |  |  |    || ((C) == '|' && (STR)[1] == '|'))
 | 
      
         | 1024 |  |  |  
 | 
      
         | 1025 |  |  | #define TEXT_SECTION_ASM_OP ".text;"
 | 
      
         | 1026 |  |  | #define DATA_SECTION_ASM_OP ".data;"
 | 
      
         | 1027 |  |  |  
 | 
      
         | 1028 |  |  | #define ASM_APP_ON  ""
 | 
      
         | 1029 |  |  | #define ASM_APP_OFF ""
 | 
      
         | 1030 |  |  |  
 | 
      
         | 1031 |  |  | #define ASM_GLOBALIZE_LABEL1(FILE, NAME) \
 | 
      
         | 1032 |  |  |   do {  fputs (".global ", FILE);               \
 | 
      
         | 1033 |  |  |         assemble_name (FILE, NAME);             \
 | 
      
         | 1034 |  |  |         fputc (';',FILE);                       \
 | 
      
         | 1035 |  |  |         fputc ('\n',FILE);                      \
 | 
      
         | 1036 |  |  |       } while (0)
 | 
      
         | 1037 |  |  |  
 | 
      
         | 1038 |  |  | #define ASM_DECLARE_FUNCTION_NAME(FILE,NAME,DECL) \
 | 
      
         | 1039 |  |  |   do {                                  \
 | 
      
         | 1040 |  |  |     fputs (".type ", FILE);             \
 | 
      
         | 1041 |  |  |     assemble_name (FILE, NAME);         \
 | 
      
         | 1042 |  |  |     fputs (", STT_FUNC", FILE);         \
 | 
      
         | 1043 |  |  |     fputc (';',FILE);                   \
 | 
      
         | 1044 |  |  |     fputc ('\n',FILE);                  \
 | 
      
         | 1045 |  |  |     ASM_OUTPUT_LABEL(FILE, NAME);       \
 | 
      
         | 1046 |  |  |   } while (0)
 | 
      
         | 1047 |  |  |  
 | 
      
         | 1048 |  |  | #define ASM_OUTPUT_LABEL(FILE, NAME)    \
 | 
      
         | 1049 |  |  |   do {  assemble_name (FILE, NAME);             \
 | 
      
         | 1050 |  |  |         fputs (":\n",FILE);                     \
 | 
      
         | 1051 |  |  |       } while (0)
 | 
      
         | 1052 |  |  |  
 | 
      
         | 1053 |  |  | #define ASM_OUTPUT_LABELREF(FILE,NAME)  \
 | 
      
         | 1054 |  |  |     do {  fprintf (FILE, "_%s", NAME); \
 | 
      
         | 1055 |  |  |         } while (0)
 | 
      
         | 1056 |  |  |  
 | 
      
         | 1057 |  |  | #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE)            \
 | 
      
         | 1058 |  |  | do { char __buf[256];                                   \
 | 
      
         | 1059 |  |  |      fprintf (FILE, "\t.dd\t");                         \
 | 
      
         | 1060 |  |  |      ASM_GENERATE_INTERNAL_LABEL (__buf, "L", VALUE);   \
 | 
      
         | 1061 |  |  |      assemble_name (FILE, __buf);                       \
 | 
      
         | 1062 |  |  |      fputc (';', FILE);                                 \
 | 
      
         | 1063 |  |  |      fputc ('\n', FILE);                                \
 | 
      
         | 1064 |  |  |    } while (0)
 | 
      
         | 1065 |  |  |  
 | 
      
         | 1066 |  |  | #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
 | 
      
         | 1067 |  |  |     MY_ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL)
 | 
      
         | 1068 |  |  |  
 | 
      
         | 1069 |  |  | #define MY_ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL)           \
 | 
      
         | 1070 |  |  |     do {                                                        \
 | 
      
         | 1071 |  |  |         char __buf[256];                                        \
 | 
      
         | 1072 |  |  |         fprintf (FILE, "\t.dd\t");                              \
 | 
      
         | 1073 |  |  |         ASM_GENERATE_INTERNAL_LABEL (__buf, "L", VALUE);        \
 | 
      
         | 1074 |  |  |         assemble_name (FILE, __buf);                            \
 | 
      
         | 1075 |  |  |         fputs (" - ", FILE);                                    \
 | 
      
         | 1076 |  |  |         ASM_GENERATE_INTERNAL_LABEL (__buf, "L", REL);          \
 | 
      
         | 1077 |  |  |         assemble_name (FILE, __buf);                            \
 | 
      
         | 1078 |  |  |         fputc (';', FILE);                                      \
 | 
      
         | 1079 |  |  |         fputc ('\n', FILE);                                     \
 | 
      
         | 1080 |  |  |     } while (0)
 | 
      
         | 1081 |  |  |  
 | 
      
         | 1082 |  |  | #define ASM_OUTPUT_ALIGN(FILE,LOG)                              \
 | 
      
         | 1083 |  |  |     do {                                                        \
 | 
      
         | 1084 |  |  |       if ((LOG) != 0)                                           \
 | 
      
         | 1085 |  |  |         fprintf (FILE, "\t.align %d\n", 1 << (LOG));            \
 | 
      
         | 1086 |  |  |     } while (0)
 | 
      
         | 1087 |  |  |  
 | 
      
         | 1088 |  |  | #define ASM_OUTPUT_SKIP(FILE,SIZE)              \
 | 
      
         | 1089 |  |  |     do {                                        \
 | 
      
         | 1090 |  |  |         asm_output_skip (FILE, SIZE);           \
 | 
      
         | 1091 |  |  |     } while (0)
 | 
      
         | 1092 |  |  |  
 | 
      
         | 1093 |  |  | #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)     \
 | 
      
         | 1094 |  |  | do {                                            \
 | 
      
         | 1095 |  |  |     switch_to_section (data_section);                           \
 | 
      
         | 1096 |  |  |     if ((SIZE) >= (unsigned int) 4 ) ASM_OUTPUT_ALIGN(FILE,2);  \
 | 
      
         | 1097 |  |  |     ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE);               \
 | 
      
         | 1098 |  |  |     ASM_OUTPUT_LABEL (FILE, NAME);                              \
 | 
      
         | 1099 |  |  |     fprintf (FILE, "%s %ld;\n", ASM_SPACE,                      \
 | 
      
         | 1100 |  |  |              (ROUNDED) > (unsigned int) 1 ? (ROUNDED) : 1);     \
 | 
      
         | 1101 |  |  | } while (0)
 | 
      
         | 1102 |  |  |  
 | 
      
         | 1103 |  |  | #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED)    \
 | 
      
         | 1104 |  |  |      do {                                               \
 | 
      
         | 1105 |  |  |         ASM_GLOBALIZE_LABEL1(FILE,NAME);                \
 | 
      
         | 1106 |  |  |         ASM_OUTPUT_LOCAL (FILE, NAME, SIZE, ROUNDED); } while(0)
 | 
      
         | 1107 |  |  |  
 | 
      
         | 1108 |  |  | #define ASM_COMMENT_START "//"
 | 
      
         | 1109 |  |  |  
 | 
      
         | 1110 |  |  | #define PROFILE_BEFORE_PROLOGUE
 | 
      
         | 1111 |  |  | #define FUNCTION_PROFILER(FILE, LABELNO)        \
 | 
      
         | 1112 |  |  |   do {                                          \
 | 
      
         | 1113 |  |  |     fprintf (FILE, "\t[--SP] = RETS;\n");       \
 | 
      
         | 1114 |  |  |     if (TARGET_LONG_CALLS)                      \
 | 
      
         | 1115 |  |  |       {                                         \
 | 
      
         | 1116 |  |  |         fprintf (FILE, "\tP2.h = __mcount;\n"); \
 | 
      
         | 1117 |  |  |         fprintf (FILE, "\tP2.l = __mcount;\n"); \
 | 
      
         | 1118 |  |  |         fprintf (FILE, "\tCALL (P2);\n");       \
 | 
      
         | 1119 |  |  |       }                                         \
 | 
      
         | 1120 |  |  |     else                                        \
 | 
      
         | 1121 |  |  |       fprintf (FILE, "\tCALL __mcount;\n");     \
 | 
      
         | 1122 |  |  |     fprintf (FILE, "\tRETS = [SP++];\n");       \
 | 
      
         | 1123 |  |  |   } while(0)
 | 
      
         | 1124 |  |  |  
 | 
      
         | 1125 |  |  | #undef NO_PROFILE_COUNTERS
 | 
      
         | 1126 |  |  | #define NO_PROFILE_COUNTERS 1
 | 
      
         | 1127 |  |  |  
 | 
      
         | 1128 |  |  | #define ASM_OUTPUT_REG_PUSH(FILE, REGNO) fprintf (FILE, "\t[--SP] = %s;\n", reg_names[REGNO])
 | 
      
         | 1129 |  |  | #define ASM_OUTPUT_REG_POP(FILE, REGNO)  fprintf (FILE, "\t%s = [SP++];\n", reg_names[REGNO])
 | 
      
         | 1130 |  |  |  
 | 
      
         | 1131 |  |  | extern rtx bfin_cc_rtx, bfin_rets_rtx;
 | 
      
         | 1132 |  |  |  
 | 
      
         | 1133 |  |  | /* This works for GAS and some other assemblers.  */
 | 
      
         | 1134 |  |  | #define SET_ASM_OP              ".set "
 | 
      
         | 1135 |  |  |  
 | 
      
         | 1136 |  |  | /* DBX register number for a given compiler register number */
 | 
      
         | 1137 |  |  | #define DBX_REGISTER_NUMBER(REGNO)  (REGNO) 
 | 
      
         | 1138 |  |  |  
 | 
      
         | 1139 |  |  | #define SIZE_ASM_OP     "\t.size\t"
 | 
      
         | 1140 |  |  |  
 | 
      
         | 1141 |  |  | extern int splitting_for_sched, splitting_loops;
 | 
      
         | 1142 |  |  |  
 | 
      
         | 1143 |  |  | #define PRINT_OPERAND_PUNCT_VALID_P(CHAR) ((CHAR) == '!')
 | 
      
         | 1144 |  |  |  
 | 
      
         | 1145 |  |  | #ifndef TARGET_SUPPORTS_SYNC_CALLS
 | 
      
         | 1146 |  |  | #define TARGET_SUPPORTS_SYNC_CALLS 0
 | 
      
         | 1147 |  |  | #endif
 | 
      
         | 1148 |  |  |  
 | 
      
         | 1149 |  |  | struct bfin_cpu
 | 
      
         | 1150 |  |  | {
 | 
      
         | 1151 |  |  |   const char *name;
 | 
      
         | 1152 |  |  |   bfin_cpu_t type;
 | 
      
         | 1153 |  |  |   int si_revision;
 | 
      
         | 1154 |  |  |   unsigned int workarounds;
 | 
      
         | 1155 |  |  | };
 | 
      
         | 1156 |  |  |  
 | 
      
         | 1157 |  |  | extern const struct bfin_cpu bfin_cpus[];
 | 
      
         | 1158 |  |  |  
 | 
      
         | 1159 |  |  | #endif /*  _BFIN_CONFIG */
 |