sysdeps/mips/sys/fpregdef.h

   1 /* Copyright (C) 1991-2023 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library.  If not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #ifndef _SYS_FPREGDEF_H
  19 #define _SYS_FPREGDEF_H
  20
  21 #include <sgidefs.h>
  22
  23 /* Commonalities first, individualities next...  */
  24
  25 #define fv0     $f0     /* return value */
  26 #define fv1     $f2
  27
  28 #if _MIPS_SIM == _ABIO32 || _MIPS_SIM == _ABIN32
  29 #define fs0     $f20    /* callee saved */
  30 #define fs1     $f22
  31 #define fs2     $f24
  32 #define fs3     $f26
  33 #define fs4     $f28
  34 #define fs5     $f30
  35 #endif /* _MIPS_SIM == _ABIO32 || _MIPS_SIM == _ABIN32 */
  36
  37 #if _MIPS_SIM == _ABI64 || _MIPS_SIM == _ABIN32
  38 #define fa0     $f12    /* argument registers */
  39 #define fa1     $f13
  40 #define fa2     $f14
  41 #define fa3     $f15
  42 #define fa4     $f16
  43 #define fa5     $f17
  44 #define fa6     $f18
  45 #define fa7     $f19
  46
  47 #define ft0     $f4     /* caller saved */
  48 #define ft1     $f5
  49 #define ft2     $f6
  50 #define ft3     $f7
  51 #define ft4     $f8
  52 #define ft5     $f9
  53 #define ft6     $f10
  54 #define ft7     $f11
  55 #endif /* _MIPS_SIM == _ABI64 || _MIPS_SIM == _ABIN32 */
  56
  57 #if _MIPS_SIM == _ABIO32
  58 #define fv0f    $f1     /* return value, high part */
  59 #define fv1f    $f3
  60
  61 #define fa0     $f12    /* argument registers */
  62 #define fa0f    $f13
  63 #define fa1     $f14
  64 #define fa1f    $f15
  65
  66 #define ft0     $f4     /* caller saved */
  67 #define ft0f    $f5
  68 #define ft1     $f6
  69 #define ft1f    $f7
  70 #define ft2     $f8
  71 #define ft2f    $f9
  72 #define ft3     $f10
  73 #define ft3f    $f11
  74 #define ft4     $f16
  75 #define ft4f    $f17
  76 #define ft5     $f18
  77 #define ft5f    $f19
  78
  79 #define fs0f    $f21    /* callee saved, high part */
  80 #define fs1f    $f23
  81 #define fs2f    $f25
  82 #define fs3f    $f27
  83 #define fs4f    $f29
  84 #define fs5f    $f31
  85 #endif /* _MIPS_SIM == _ABIO32 */
  86
  87 #if _MIPS_SIM == _ABI64
  88 #define ft8     $f20    /* caller saved */
  89 #define ft9     $f21
  90 #define ft10    $f22
  91 #define ft11    $f23
  92 #define ft12    $f1
  93 #define ft13    $f3
  94
  95 #define fs0     $f24    /* callee saved */
  96 #define fs1     $f25
  97 #define fs2     $f26
  98 #define fs3     $f27
  99 #define fs4     $f28
 100 #define fs5     $f29
 101 #define fs6     $f30
 102 #define fs7     $f31
 103 #endif /* _MIPS_SIM == _ABI64 */
 104
 105 #if _MIPS_SIM == _ABIN32
 106 #define ft8     $f21    /* caller saved */
 107 #define ft9     $f23
 108 #define ft10    $f25
 109 #define ft11    $f27
 110 #define ft12    $f29
 111 #define ft13    $f31
 112 #define ft14    $f1
 113 #define ft15    $f3
 114 #endif /* _MIPS_SIM == _ABIN32 */
 115
 116 #define fcr31   $31     /* FPU status register */
 117
 118 #endif /* sys/fpregdef.h */