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 21CC_MODE (CCFP); 22CC_MODE (CCFPE); 23CC_MODE (CC_SWP); 24CC_MODE (CC_NZ); /* Only N and Z bits of condition flags are valid. */ 25CC_MODE (CC_Z); /* Only Z bit of condition flags is valid. */ 26CC_MODE (CC_C); /* Only C bit of condition flags is valid. */ 27 28/* Half-precision floating point for __fp16. */ 29FLOAT_MODE (HF, 2, 0); 30ADJUST_FLOAT_FORMAT (HF, &ieee_half_format); 31 32/* Vector modes. */ 33VECTOR_MODES (INT, 8); /* V8QI V4HI V2SI. */ 34VECTOR_MODES (INT, 16); /* V16QI V8HI V4SI V2DI. */ 35VECTOR_MODES (FLOAT, 8); /* V2SF. */ 36VECTOR_MODES (FLOAT, 16); /* V4SF V2DF. */ 37VECTOR_MODE (FLOAT, DF, 1); /* V1DF. */ 38 39/* Oct Int: 256-bit integer mode needed for 32-byte vector arguments. */ 40INT_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). */ 44INT_MODE (CI, 48); 45INT_MODE (XI, 64); 46 47/* Vector modes for register lists. */ 48VECTOR_MODES (INT, 32); /* V32QI V16HI V8SI V4DI. */ 49VECTOR_MODES (FLOAT, 32); /* V8SF V4DF. */ 50 51VECTOR_MODES (INT, 48); /* V32QI V16HI V8SI V4DI. */ 52VECTOR_MODES (FLOAT, 48); /* V8SF V4DF. */ 53 54VECTOR_MODES (INT, 64); /* V32QI V16HI V8SI V4DI. */ 55VECTOR_MODES (FLOAT, 64); /* V8SF V4DF. */ 56 57/* Quad float: 128-bit floating mode for long doubles. */ 58FLOAT_MODE (TF, 16, ieee_quad_format); 59