| 1 | /* Incremential hashing for jhash. |
|---|
| 2 | Copyright (C) 2014-2023 Free Software Foundation, Inc. |
|---|
| 3 | |
|---|
| 4 | This file is part of GCC. |
|---|
| 5 | |
|---|
| 6 | GCC is free software; you can redistribute it and/or modify it under |
|---|
| 7 | the terms of the GNU General Public License as published by the Free |
|---|
| 8 | Software Foundation; either version 3, or (at your option) any later |
|---|
| 9 | version. |
|---|
| 10 | |
|---|
| 11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
|---|
| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|---|
| 13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|---|
| 14 | for more details. |
|---|
| 15 | |
|---|
| 16 | You should have received a copy of the GNU General Public License |
|---|
| 17 | along with GCC; see the file COPYING3. If not see |
|---|
| 18 | <http://www.gnu.org/licenses/>. */ |
|---|
| 19 | |
|---|
| 20 | #ifdef GENERATOR_FILE |
|---|
| 21 | #include "bconfig.h" |
|---|
| 22 | #else |
|---|
| 23 | #include "config.h" |
|---|
| 24 | #endif |
|---|
| 25 | #include "system.h" |
|---|
| 26 | #include "coretypes.h" |
|---|
| 27 | #include "real.h" |
|---|
| 28 | #include "inchash.h" |
|---|
| 29 | |
|---|
| 30 | namespace inchash |
|---|
| 31 | { |
|---|
| 32 | |
|---|
| 33 | /* This is here instead of inchash.h to keep us from having to put |
|---|
| 34 | real.h in coretypes.h. */ |
|---|
| 35 | void |
|---|
| 36 | hash::add_real_value (const real_value &v) |
|---|
| 37 | { |
|---|
| 38 | add_int (v: v.cl); |
|---|
| 39 | add_int (v: v.sign); |
|---|
| 40 | switch (v.cl) |
|---|
| 41 | { |
|---|
| 42 | case rvc_zero: |
|---|
| 43 | case rvc_inf: |
|---|
| 44 | return; |
|---|
| 45 | case rvc_normal: |
|---|
| 46 | add_int (v: v.decimal); |
|---|
| 47 | add_int (REAL_EXP (&v)); |
|---|
| 48 | break; |
|---|
| 49 | case rvc_nan: |
|---|
| 50 | add_int (v: v.signalling); |
|---|
| 51 | add_int (v: v.canonical); |
|---|
| 52 | if (v.canonical) |
|---|
| 53 | return; |
|---|
| 54 | break; |
|---|
| 55 | default: |
|---|
| 56 | gcc_unreachable (); |
|---|
| 57 | } |
|---|
| 58 | for (unsigned i = 0; i < SIGSZ; ++i) |
|---|
| 59 | add_hwi (v: v.sig[i]); |
|---|
| 60 | } |
|---|
| 61 | |
|---|
| 62 | } // namespace inchash |
|---|
| 63 | |
|---|
