blob: cb0025b2e44756a6a12212eaaba377591aa167ae (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
/* VAX extra machine modes.
Copyright (C) 2003-2022 Free Software Foundation, Inc.
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/>. */
/* We just need to reset the floating point formats. */
RESET_FLOAT_FORMAT (SF, vax_f_format);
RESET_FLOAT_FORMAT (DF, vax_d_format);
/* `DImode' addition and subtraction operations do their calculation
on the low and then the high longword with separate instructions,
and therefore only usably set N. */
CC_MODE (CCN);
/* Non-arithmetic integer instructions such as MOV or XOR as well as
instructions that produce a floating-point result only usably set
N and Z. */
CC_MODE (CCNZ);
/* The FFC and FFS instructions only usably set Z. */
CC_MODE (CCZ);
|
