gcc/config/arm/arm-modes.def

   1 /* Definitions of target machine for GNU compiler, for ARM.
   2    Copyright (C) 2002, 2004, 2007 Free Software Foundation, Inc.
   3    Contributed by Pieter `Tiggr' Schoenmakers (rcpieter@win.tue.nl)
   4    and Martin Simmons (@harleqn.co.uk).
   5    More major hacks by Richard Earnshaw (rearnsha@arm.com)
   6    Minor hacks by Nick Clifton (nickc@cygnus.com)
   7
   8    This file is part of GCC.
   9
  10    GCC is free software; you can redistribute it and/or modify it
  11    under the terms of the GNU General Public License as published
  12    by the Free Software Foundation; either version 3, or (at your
  13    option) any later version.
  14
  15    GCC is distributed in the hope that it will be useful, but WITHOUT
  16    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  17    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  18    License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with GCC; see the file COPYING3.  If not see
  22    <http://www.gnu.org/licenses/>.  */
  23
  24 /* Extended precision floating point.
  25    FIXME What format is this?  */
  26 FLOAT_MODE (XF, 12, 0);
  27
  28 /* Half-precision floating point */
  29 FLOAT_MODE (HF, 2, 0);
  30 ADJUST_FLOAT_FORMAT (HF, ((arm_fp16_format == ARM_FP16_FORMAT_ALTERNATIVE)
  31                           ? &arm_half_format : &ieee_half_format));
  32
  33 /* CCFPEmode should be used with floating inequalities,
  34    CCFPmode should be used with floating equalities.
  35    CC_NOOVmode should be used with SImode integer equalities.
  36    CC_Zmode should be used if only the Z flag is set correctly
  37    CC_Nmode should be used if only the N (sign) flag is set correctly
  38    CCmode should be used otherwise.  */
  39
  40 CC_MODE (CC_NOOV);
  41 CC_MODE (CC_Z);
  42 CC_MODE (CC_SWP);
  43 CC_MODE (CCFP);
  44 CC_MODE (CCFPE);
  45 CC_MODE (CC_DNE);
  46 CC_MODE (CC_DEQ);
  47 CC_MODE (CC_DLE);
  48 CC_MODE (CC_DLT);
  49 CC_MODE (CC_DGE);
  50 CC_MODE (CC_DGT);
  51 CC_MODE (CC_DLEU);
  52 CC_MODE (CC_DLTU);
  53 CC_MODE (CC_DGEU);
  54 CC_MODE (CC_DGTU);
  55 CC_MODE (CC_C);
  56 CC_MODE (CC_N);
  57
  58 /* Vector modes.  */
  59 VECTOR_MODES (INT, 4);        /*            V4QI V2HI */
  60 VECTOR_MODES (INT, 8);        /*       V8QI V4HI V2SI */
  61 VECTOR_MODES (INT, 16);       /* V16QI V8HI V4SI V2DI */
  62 VECTOR_MODES (FLOAT, 8);      /*            V4HF V2SF */
  63 VECTOR_MODES (FLOAT, 16);     /*       V8HF V4SF V2DF */
  64
  65 /* Opaque integer modes for 3, 4, 6 or 8 Neon double registers (2 is
  66    TImode).  */
  67 INT_MODE (EI, 24);
  68 INT_MODE (OI, 32);
  69 INT_MODE (CI, 48);
  70 INT_MODE (XI, 64);