gcc/config/arm/arm-opts.h

   1 /* Definitions for option handling for ARM.
   2    Copyright (C) 1991-2020 Free Software Foundation, Inc.
   3
   4    This file is part of GCC.
   5
   6    GCC is free software; you can redistribute it and/or modify it
   7    under the terms of the GNU General Public License as published
   8    by the Free Software Foundation; either version 3, or (at your
   9    option) any later version.
  10
  11    GCC is distributed in the hope that it will be useful, but WITHOUT
  12    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  14    License for more details.
  15
  16    Under Section 7 of GPL version 3, you are granted additional
  17    permissions described in the GCC Runtime Library Exception, version
  18    3.1, as published by the Free Software Foundation.
  19
  20    You should have received a copy of the GNU General Public License and
  21    a copy of the GCC Runtime Library Exception along with this program;
  22    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23    <http://www.gnu.org/licenses/>.  */
  24
  25 #ifndef ARM_OPTS_H
  26 #define ARM_OPTS_H
  27
  28 #include "arm-flags.h"
  29 #include "arm-isa.h"
  30 #include "arm-cpu.h"
  31
  32 /* Which __fp16 format to use.
  33    The enumeration values correspond to the numbering for the
  34    Tag_ABI_FP_16bit_format attribute.
  35  */
  36 enum arm_fp16_format_type
  37 {
  38   ARM_FP16_FORMAT_NONE = 0,
  39   ARM_FP16_FORMAT_IEEE = 1,
  40   ARM_FP16_FORMAT_ALTERNATIVE = 2
  41 };
  42
  43 /* Which ABI to use.  */
  44 enum arm_abi_type
  45 {
  46   ARM_ABI_APCS,
  47   ARM_ABI_ATPCS,
  48   ARM_ABI_AAPCS,
  49   ARM_ABI_IWMMXT,
  50   ARM_ABI_AAPCS_LINUX
  51 };
  52
  53 enum float_abi_type
  54 {
  55   ARM_FLOAT_ABI_SOFT,
  56   ARM_FLOAT_ABI_SOFTFP,
  57   ARM_FLOAT_ABI_HARD
  58 };
  59
  60 /* Which thread pointer access sequence to use.  */
  61 enum arm_tp_type {
  62   TP_AUTO,
  63   TP_SOFT,
  64   TP_CP15
  65 };
  66
  67 /* Which TLS scheme to use.  */
  68 enum arm_tls_type {
  69   TLS_GNU,
  70   TLS_GNU2
  71 };
  72 #endif