arch/mips/include/asm/fpregdef.h

   1 /*
   2  * Definitions for the FPU register names
   3  *
   4  * This file is subject to the terms and conditions of the GNU General Public
   5  * License.  See the file "COPYING" in the main directory of this archive
   6  * for more details.
   7  *
   8  * Copyright (C) 1995, 1999 Ralf Baechle
   9  * Copyright (C) 1985 MIPS Computer Systems, Inc.
  10  * Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc.
  11  */
  12 #ifndef _ASM_FPREGDEF_H
  13 #define _ASM_FPREGDEF_H
  14
  15 #include <asm/sgidefs.h>
  16
  17 #if _MIPS_SIM == _MIPS_SIM_ABI32
  18
  19 /*
  20  * These definitions only cover the R3000-ish 16/32 register model.
  21  * But we're trying to be R3000 friendly anyway ...
  22  */
  23 #define fv0     $f0      /* return value */
  24 #define fv0f    $f1
  25 #define fv1     $f2
  26 #define fv1f    $f3
  27 #define fa0     $f12     /* argument registers */
  28 #define fa0f    $f13
  29 #define fa1     $f14
  30 #define fa1f    $f15
  31 #define ft0     $f4      /* caller saved */
  32 #define ft0f    $f5
  33 #define ft1     $f6
  34 #define ft1f    $f7
  35 #define ft2     $f8
  36 #define ft2f    $f9
  37 #define ft3     $f10
  38 #define ft3f    $f11
  39 #define ft4     $f16
  40 #define ft4f    $f17
  41 #define ft5     $f18
  42 #define ft5f    $f19
  43 #define fs0     $f20     /* callee saved */
  44 #define fs0f    $f21
  45 #define fs1     $f22
  46 #define fs1f    $f23
  47 #define fs2     $f24
  48 #define fs2f    $f25
  49 #define fs3     $f26
  50 #define fs3f    $f27
  51 #define fs4     $f28
  52 #define fs4f    $f29
  53 #define fs5     $f30
  54 #define fs5f    $f31
  55
  56 #define fcr31   $31      /* FPU status register */
  57
  58 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
  59
  60 #if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32
  61
  62 #define fv0     $f0     /* return value */
  63 #define fv1     $f2
  64 #define fa0     $f12    /* argument registers */
  65 #define fa1     $f13
  66 #define fa2     $f14
  67 #define fa3     $f15
  68 #define fa4     $f16
  69 #define fa5     $f17
  70 #define fa6     $f18
  71 #define fa7     $f19
  72 #define ft0     $f4     /* caller saved */
  73 #define ft1     $f5
  74 #define ft2     $f6
  75 #define ft3     $f7
  76 #define ft4     $f8
  77 #define ft5     $f9
  78 #define ft6     $f10
  79 #define ft7     $f11
  80 #define ft8     $f20
  81 #define ft9     $f21
  82 #define ft10    $f22
  83 #define ft11    $f23
  84 #define ft12    $f1
  85 #define ft13    $f3
  86 #define fs0     $f24    /* callee saved */
  87 #define fs1     $f25
  88 #define fs2     $f26
  89 #define fs3     $f27
  90 #define fs4     $f28
  91 #define fs5     $f29
  92 #define fs6     $f30
  93 #define fs7     $f31
  94
  95 #define fcr31   $31
  96
  97 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */
  98
  99 #endif /* _ASM_FPREGDEF_H */