gcc/config/arc/arc-arch.h

   1 /* Definitions of types that are used to store ARC architecture and
   2    device information.
   3    Copyright (C) 2016-2019 Free Software Foundation, Inc.
   4    Contributed by Claudiu Zissulescu (claziss@synopsys.com)
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GCC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  */
  21
  22 #ifndef GCC_ARC_ARCH_H
  23 #define GCC_ARC_ARCH_H
  24
  25 #ifndef IN_LIBGCC2
  26 /* Architecture selection types.  */
  27
  28 enum cpu_flags
  29   {
  30 #define ARC_OPT(NAME, CODE, MASK, DOC)      NAME = CODE,
  31 #define ARC_OPTX(NAME, CODE, VAR, VAL, DOC0, DOC1) NAME = CODE,
  32 #include "arc-options.def"
  33 #undef ARC_OPT
  34 #undef ARC_OPTX
  35     FL_END
  36   };
  37
  38
  39 /* ARC architecture variants.  */
  40
  41 enum base_architecture
  42   {
  43     BASE_ARCH_NONE,
  44 #define ARC_ARCH(NAME, ARCH, FLAGS, DFLAGS)  BASE_ARCH_##ARCH,
  45 #include "arc-arches.def"
  46 #undef ARC_ARCH
  47     BASE_ARCH_END
  48   };
  49
  50 /* Architecture specific propoerties.  */
  51
  52 typedef struct
  53 {
  54   /* Architecture name.  */
  55   const char *const name;
  56
  57   /* Architecture class.  */
  58   enum base_architecture arch_id;
  59
  60   /* All allowed flags for this architecture.  */
  61   const unsigned long long flags;
  62
  63   /* Default flags for this architecture.  It is a subset of
  64      FLAGS.  */
  65   const unsigned long long dflags;
  66 } arc_arch_t;
  67
  68 /* Tune variants.  Needs to match the attr_tune enum.  */
  69
  70 enum arc_tune_attr
  71   {
  72     ARC_TUNE_NONE,
  73     ARC_TUNE_ARC600,
  74     ARC_TUNE_ARC7XX,
  75     ARC_TUNE_ARC700_4_2_STD,
  76     ARC_TUNE_ARC700_4_2_XMAC,
  77     ARC_TUNE_CORE_3,
  78     ARC_TUNE_ARCHS4X,
  79     ARC_TUNE_ARCHS4XD,
  80     ARC_TUNE_ARCHS4XD_SLOW
  81   };
  82
  83 /* Extra options for a processor template to hold any CPU specific
  84    information which is not cover in arc-arches.def.  Such example is
  85    the width of LP_COUNT register, or the number of register
  86    banks.  */
  87
  88 enum arc_extras
  89 {
  90   HAS_NONE,
  91   HAS_LPCOUNT_16
  92 };
  93
  94 /* CPU specific properties.  */
  95
  96 typedef struct
  97 {
  98   /* CPU name.  */
  99   const char *const name;
 100
 101   /* Architecture class.  */
 102   const arc_arch_t *arch_info;
 103
 104   /* Specific processor type.  */
 105   enum processor_type processor;
 106
 107   /* Specific flags.  */
 108   const unsigned long long flags;
 109
 110   /* Extra value.  */
 111   enum arc_extras extra;
 112
 113   /* Tune value.  */
 114   enum arc_tune_attr tune;
 115
 116 } arc_cpu_t;
 117
 118 const arc_arch_t arc_arch_types[] =
 119   {
 120     {"none", BASE_ARCH_NONE, 0, 0},
 121 #define ARC_ARCH(NAME, ARCH, FLAGS, DFLAGS)     \
 122     {NAME, BASE_ARCH_##ARCH, FLAGS, DFLAGS},
 123 #include "arc-arches.def"
 124 #undef ARC_ARCH
 125     {NULL, BASE_ARCH_END, 0, 0}
 126   };
 127
 128 const arc_cpu_t arc_cpu_types[] =
 129   {
 130     {"none", NULL, PROCESSOR_NONE, 0, HAS_NONE, ARC_TUNE_NONE},
 131 #define ARC_CPU(NAME, ARCH, FLAGS, EXTRA, TUNE)                         \
 132     {#NAME, &arc_arch_types [BASE_ARCH_##ARCH], PROCESSOR_##NAME, FLAGS, HAS_##EXTRA, ARC_TUNE_##TUNE },
 133 #include "arc-cpus.def"
 134 #undef ARC_CPU
 135     {NULL, NULL, PROCESSOR_NONE, 0, HAS_NONE, ARC_TUNE_NONE}
 136   };
 137
 138 /* Currently selected cpu type.  */
 139 extern const arc_cpu_t *arc_selected_cpu;
 140
 141 #endif
 142 #endif /* GCC_ARC_ARCH_H */