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d001241c | 1 | /* VAX extra machine modes. |
83ffe9cd | 2 | Copyright (C) 2003-2023 Free Software Foundation, Inc. |
94134f42 ZW |
3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
2f83c7d6 | 8 | the Free Software Foundation; either version 3, or (at your option) |
94134f42 ZW |
9 | any later version. |
10 | ||
11 | GCC is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
2f83c7d6 NC |
17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ | |
94134f42 ZW |
19 | |
20 | /* We just need to reset the floating point formats. */ | |
21 | RESET_FLOAT_FORMAT (SF, vax_f_format); | |
22 | RESET_FLOAT_FORMAT (DF, vax_d_format); | |
e552abe2 MR |
23 | |
24 | /* `DImode' addition and subtraction operations do their calculation | |
25 | on the low and then the high longword with separate instructions, | |
26 | and therefore only usably set N. */ | |
27 | CC_MODE (CCN); | |
28 | /* Non-arithmetic integer instructions such as MOV or XOR as well as | |
29 | instructions that produce a floating-point result only usably set | |
30 | N and Z. */ | |
31 | CC_MODE (CCNZ); | |
32 | /* The FFC and FFS instructions only usably set Z. */ | |
33 | CC_MODE (CCZ); |