| 1 | /* Incremential hashing for jhash. |
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| 2 | Copyright (C) 2014-2025 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file is part of GCC. |
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| 5 | |
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| 6 | GCC is free software; you can redistribute it and/or modify it under |
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| 7 | the terms of the GNU General Public License as published by the Free |
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| 8 | Software Foundation; either version 3, or (at your option) any later |
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| 9 | version. |
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| 10 | |
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| 11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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| 14 | for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU General Public License |
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| 17 | along with GCC; see the file COPYING3. If not see |
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| 18 | <http://www.gnu.org/licenses/>. */ |
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| 19 | |
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| 20 | #ifdef GENERATOR_FILE |
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| 21 | #include "bconfig.h" |
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| 22 | #else |
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| 23 | #include "config.h" |
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| 24 | #endif |
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| 25 | #include "system.h" |
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| 26 | #include "coretypes.h" |
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| 27 | #include "real.h" |
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| 28 | #include "inchash.h" |
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| 29 | |
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| 30 | namespace inchash |
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| 31 | { |
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| 32 | |
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| 33 | /* This is here instead of inchash.h to keep us from having to put |
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| 34 | real.h in coretypes.h. */ |
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| 35 | void |
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| 36 | hash::add_real_value (const real_value &v) |
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| 37 | { |
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| 38 | add_int (v: v.cl); |
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| 39 | add_int (v: v.sign); |
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| 40 | switch (v.cl) |
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| 41 | { |
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| 42 | case rvc_zero: |
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| 43 | case rvc_inf: |
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| 44 | return; |
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| 45 | case rvc_normal: |
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| 46 | add_int (v: v.decimal); |
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| 47 | add_int (REAL_EXP (&v)); |
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| 48 | break; |
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| 49 | case rvc_nan: |
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| 50 | add_int (v: v.signalling); |
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| 51 | add_int (v: v.canonical); |
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| 52 | if (v.canonical) |
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| 53 | return; |
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| 54 | break; |
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| 55 | default: |
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| 56 | gcc_unreachable (); |
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| 57 | } |
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| 58 | for (unsigned i = 0; i < SIGSZ; ++i) |
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| 59 | add_hwi (v: v.sig[i]); |
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| 60 | } |
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| 61 | |
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| 62 | } // namespace inchash |
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| 63 | |
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