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1 | /* Definitions of target machine for GNU compiler, for ARM. |
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2 | Copyright (C) 2002-2019 Free Software Foundation, Inc. |
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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 | |
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8 | This file is part of GCC. |
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9 | |
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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 |
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12 | by the Free Software Foundation; either version 3, or (at your |
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13 | option) any later version. |
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14 | |
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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. |
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19 | |
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20 | You should have received a copy of the GNU General Public License |
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21 | along with GCC; see the file COPYING3. If not see |
| 22 | <http://www.gnu.org/licenses/>. */ |
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23 | |
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24 | |
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25 | /* Half-precision floating point */ |
| 26 | FLOAT_MODE (HF, 2, 0); |
| 27 | ADJUST_FLOAT_FORMAT (HF, ((arm_fp16_format == ARM_FP16_FORMAT_ALTERNATIVE) |
| 28 | ? &arm_half_format : &ieee_half_format)); |
| 29 | |
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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 |
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34 | CC_Cmode should be used if only the C flag is set correctly, after an |
| 35 | addition. |
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36 | CC_Nmode should be used if only the N (sign) flag is set correctly |
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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). |
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41 | CCmode should be used otherwise. */ |
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42 | |
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43 | CC_MODE (CC_NOOV); |
| 44 | CC_MODE (CC_Z); |
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45 | CC_MODE (CC_CZ); |
| 46 | CC_MODE (CC_NCV); |
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47 | CC_MODE (CC_SWP); |
| 48 | CC_MODE (CCFP); |
| 49 | CC_MODE (CCFPE); |
| 50 | CC_MODE (CC_DNE); |
| 51 | CC_MODE (CC_DEQ); |
| 52 | CC_MODE (CC_DLE); |
| 53 | CC_MODE (CC_DLT); |
| 54 | CC_MODE (CC_DGE); |
| 55 | CC_MODE (CC_DGT); |
| 56 | CC_MODE (CC_DLEU); |
| 57 | CC_MODE (CC_DLTU); |
| 58 | CC_MODE (CC_DGEU); |
| 59 | CC_MODE (CC_DGTU); |
| 60 | CC_MODE (CC_C); |
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61 | CC_MODE (CC_N); |
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62 | CC_MODE (CC_V); |
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63 | |
| 64 | /* Vector modes. */ |
| 65 | VECTOR_MODES (INT, 4); /* V4QI V2HI */ |
| 66 | VECTOR_MODES (INT, 8); /* V8QI V4HI V2SI */ |
| 67 | VECTOR_MODES (INT, 16); /* V16QI V8HI V4SI V2DI */ |
| 68 | VECTOR_MODES (FLOAT, 8); /* V4HF V2SF */ |
| 69 | VECTOR_MODES (FLOAT, 16); /* V8HF V4SF V2DF */ |
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70 | VECTOR_MODE (FLOAT, HF, 2); /* V2HF */ |
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71 | |
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72 | /* Fraction and accumulator vector modes. */ |
| 73 | VECTOR_MODES (FRACT, 4); /* V4QQ V2HQ */ |
| 74 | VECTOR_MODES (UFRACT, 4); /* V4UQQ V2UHQ */ |
| 75 | VECTOR_MODES (ACCUM, 4); /* V2HA */ |
| 76 | VECTOR_MODES (UACCUM, 4); /* V2UHA */ |
| 77 | |
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78 | /* Opaque integer modes for 3, 4, 6 or 8 Neon double registers (2 is |
| 79 | TImode). */ |
| 80 | INT_MODE (EI, 24); |
| 81 | INT_MODE (OI, 32); |
| 82 | INT_MODE (CI, 48); |
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83 | INT_MODE (XI, 64); |
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