1/* Definitions of target machine for GNU compiler, for ARM. 2 Copyright (C) 2002-2018 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 25/* Half-precision floating point */ 26FLOAT_MODE (HF, 2, 0); 27ADJUST_FLOAT_FORMAT (HF, ((arm_fp16_format == ARM_FP16_FORMAT_ALTERNATIVE) 28 ? &arm_half_format : &ieee_half_format)); 29 30/* CCFPEmode should be used with floating inequalities, 31 CCFPmode should be used with floating equalities. 32 CC_NOOVmode should be used with SImode integer equalities. 33 CC_Zmode should be used if only the Z flag is set correctly 34 CC_Cmode should be used if only the C flag is set correctly, after an 35 addition. 36 CC_Nmode should be used if only the N (sign) flag is set correctly 37 CC_CZmode should be used if only the C and Z flags are correct 38 (used for DImode unsigned comparisons). 39 CC_NCVmode should be used if only the N, C, and V flags are correct 40 (used for DImode signed comparisons). 41 CCmode should be used otherwise. */ 42 43CC_MODE (CC_NOOV); 44CC_MODE (CC_Z); 45CC_MODE (CC_CZ); 46CC_MODE (CC_NCV); 47CC_MODE (CC_SWP); 48CC_MODE (CCFP); 49CC_MODE (CCFPE); 50CC_MODE (CC_DNE); 51CC_MODE (CC_DEQ); 52CC_MODE (CC_DLE); 53CC_MODE (CC_DLT); 54CC_MODE (CC_DGE); 55CC_MODE (CC_DGT); 56CC_MODE (CC_DLEU); 57CC_MODE (CC_DLTU); 58CC_MODE (CC_DGEU); 59CC_MODE (CC_DGTU); 60CC_MODE (CC_C); 61CC_MODE (CC_N); 62CC_MODE (CC_V); 63 64/* Vector modes. */ 65VECTOR_MODES (INT, 4); /* V4QI V2HI */ 66VECTOR_MODES (INT, 8); /* V8QI V4HI V2SI */ 67VECTOR_MODES (INT, 16); /* V16QI V8HI V4SI V2DI */ 68VECTOR_MODES (FLOAT, 8); /* V4HF V2SF */ 69VECTOR_MODES (FLOAT, 16); /* V8HF V4SF V2DF */ 70VECTOR_MODE (FLOAT, HF, 2); /* V2HF */ 71 72/* Fraction and accumulator vector modes. */ 73VECTOR_MODES (FRACT, 4); /* V4QQ V2HQ */ 74VECTOR_MODES (UFRACT, 4); /* V4UQQ V2UHQ */ 75VECTOR_MODES (ACCUM, 4); /* V2HA */ 76VECTOR_MODES (UACCUM, 4); /* V2UHA */ 77 78/* Opaque integer modes for 3, 4, 6 or 8 Neon double registers (2 is 79 TImode). */ 80INT_MODE (EI, 24); 81INT_MODE (OI, 32); 82INT_MODE (CI, 48); 83INT_MODE (XI, 64); 84