| /* Definitions of target machine for GNU compiler, for ARM. |
| Copyright (C) 2002-2021 Free Software Foundation, Inc. |
| Contributed by Pieter `Tiggr' Schoenmakers (rcpieter@win.tue.nl) |
| and Martin Simmons (@harleqn.co.uk). |
| More major hacks by Richard Earnshaw (rearnsha@arm.com) |
| Minor hacks by Nick Clifton (nickc@cygnus.com) |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it |
| under the terms of the GNU General Public License as published |
| by the Free Software Foundation; either version 3, or (at your |
| option) any later version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
| License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| |
| /* Half-precision floating point */ |
| FLOAT_MODE (HF, 2, 0); |
| ADJUST_FLOAT_FORMAT (HF, ((arm_fp16_format == ARM_FP16_FORMAT_ALTERNATIVE) |
| ? &arm_half_format : &ieee_half_format)); |
| |
| /* CCFPEmode should be used with floating inequalities, |
| CCFPmode should be used with floating equalities. |
| CC_NZmode should be used if only the N and Z bits are set correctly. |
| CC_Zmode should be used if only the Z flag is set correctly |
| CC_Cmode should be used if only the C flag is set correctly, after an |
| addition. |
| CC_Nmode should be used if only the N (sign) flag is set correctly |
| CC_NVmode should be used if only the N and V bits are set correctly, |
| (used for signed comparisons when the carry is propagated in). |
| CC_RSBmode should be used where the comparison is set by an RSB immediate, |
| or NEG instruction. The form of the comparison for (const - reg) will |
| be (COMPARE (not (reg)) (~const)). |
| CC_Bmode should be used if only the C flag is correct after a subtract |
| (eg after an unsigned borrow with carry-in propagation). |
| (used for DImode signed comparisons). |
| CC_ADCmode is used when the carry is formed from the output of ADC for an |
| addtion. In this case we cannot use the trick of comparing the sum |
| against one of the other operands. |
| CCmode should be used otherwise. */ |
| |
| CC_MODE (CC_NZ); |
| CC_MODE (CC_Z); |
| CC_MODE (CC_NV); |
| CC_MODE (CC_SWP); |
| CC_MODE (CC_RSB); |
| CC_MODE (CCFP); |
| CC_MODE (CCFPE); |
| CC_MODE (CC_DNE); |
| CC_MODE (CC_DEQ); |
| CC_MODE (CC_DLE); |
| CC_MODE (CC_DLT); |
| CC_MODE (CC_DGE); |
| CC_MODE (CC_DGT); |
| CC_MODE (CC_DLEU); |
| CC_MODE (CC_DLTU); |
| CC_MODE (CC_DGEU); |
| CC_MODE (CC_DGTU); |
| CC_MODE (CC_C); |
| CC_MODE (CC_B); |
| CC_MODE (CC_N); |
| CC_MODE (CC_V); |
| CC_MODE (CC_ADC); |
| |
| /* Vector modes. */ |
| VECTOR_MODES (INT, 4); /* V4QI V2HI */ |
| VECTOR_MODES (INT, 8); /* V8QI V4HI V2SI */ |
| VECTOR_MODES (INT, 16); /* V16QI V8HI V4SI V2DI */ |
| VECTOR_MODES (FLOAT, 8); /* V4HF V2SF */ |
| VECTOR_MODES (FLOAT, 16); /* V8HF V4SF V2DF */ |
| VECTOR_MODE (FLOAT, HF, 2); /* V2HF */ |
| |
| FLOAT_MODE (BF, 2, 0); |
| ADJUST_FLOAT_FORMAT (BF, &arm_bfloat_half_format); |
| VECTOR_MODE (FLOAT, BF, 2); /* V2BF. */ |
| VECTOR_MODE (FLOAT, BF, 4); /* V4BF. */ |
| VECTOR_MODE (FLOAT, BF, 8); /* V8BF. */ |
| |
| /* Fraction and accumulator vector modes. */ |
| VECTOR_MODES (FRACT, 4); /* V4QQ V2HQ */ |
| VECTOR_MODES (UFRACT, 4); /* V4UQQ V2UHQ */ |
| VECTOR_MODES (ACCUM, 4); /* V2HA */ |
| VECTOR_MODES (UACCUM, 4); /* V2UHA */ |
| |
| /* Opaque integer modes for 3, 4, 6 or 8 Neon double registers (2 is |
| TImode). */ |
| INT_MODE (EI, 24); |
| INT_MODE (OI, 32); |
| INT_MODE (CI, 48); |
| INT_MODE (XI, 64); |