gcc/config/aarch64/aarch64-modes.def

   1 /* Machine description for AArch64 architecture.
   2    Copyright (C) 2009-2017 Free Software Foundation, Inc.
   3    Contributed by ARM Ltd.
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3, or (at your option)
  10    any later version.
  11
  12    GCC is distributed in the hope that it will be useful, but
  13    WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GCC; see the file COPYING3.  If not see
  19    <http://www.gnu.org/licenses/>.  */
  20
  21 CC_MODE (CCFP);
  22 CC_MODE (CCFPE);
  23 CC_MODE (CC_SWP);
  24 CC_MODE (CC_NZ);    /* Only N and Z bits of condition flags are valid.  */
  25 CC_MODE (CC_Z);     /* Only Z bit of condition flags is valid.  */
  26 CC_MODE (CC_C);     /* Only C bit of condition flags is valid.  */
  27
  28 /* Half-precision floating point for __fp16.  */
  29 FLOAT_MODE (HF, 2, 0);
  30 ADJUST_FLOAT_FORMAT (HF, &ieee_half_format);
  31
  32 /* Vector modes.  */
  33 VECTOR_MODES (INT, 8);        /*       V8QI V4HI V2SI.  */
  34 VECTOR_MODES (INT, 16);       /* V16QI V8HI V4SI V2DI.  */
  35 VECTOR_MODES (FLOAT, 8);      /*                 V2SF.  */
  36 VECTOR_MODES (FLOAT, 16);     /*            V4SF V2DF.  */
  37 VECTOR_MODE (FLOAT, DF, 1);   /*                 V1DF.  */
  38
  39 /* Oct Int: 256-bit integer mode needed for 32-byte vector arguments.  */
  40 INT_MODE (OI, 32);
  41
  42 /* Opaque integer modes for 3 or 4 Neon q-registers / 6 or 8 Neon d-registers
  43    (2 d-regs = 1 q-reg = TImode).  */
  44 INT_MODE (CI, 48);
  45 INT_MODE (XI, 64);
  46
  47 /* Quad float: 128-bit floating mode for long doubles.  */
  48 FLOAT_MODE (TF, 16, ieee_quad_format);