blob: b65fb271a9246849412b0fbf7c3e3638ee1ed849 (
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
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
/*
* MIPS SIMD Architecture Module Instruction emulation helpers for QEMU.
*
* Copyright (c) 2014 Imagination Technologies
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "cpu.h"
#include "exec/helper-proto.h"
/* Data format min and max values */
#define DF_BITS(df) (1 << ((df) + 3))
#define DF_MAX_INT(df) (int64_t)((1LL << (DF_BITS(df) - 1)) - 1)
#define M_MAX_INT(m) (int64_t)((1LL << ((m) - 1)) - 1)
#define DF_MIN_INT(df) (int64_t)(-(1LL << (DF_BITS(df) - 1)))
#define M_MIN_INT(m) (int64_t)(-(1LL << ((m) - 1)))
#define DF_MAX_UINT(df) (uint64_t)(-1ULL >> (64 - DF_BITS(df)))
#define M_MAX_UINT(m) (uint64_t)(-1ULL >> (64 - (m)))
#define UNSIGNED(x, df) ((x) & DF_MAX_UINT(df))
#define SIGNED(x, df) \
((((int64_t)x) << (64 - DF_BITS(df))) >> (64 - DF_BITS(df)))
/* Element-by-element access macros */
#define DF_ELEMENTS(df) (MSA_WRLEN / DF_BITS(df))
static inline void msa_move_v(wr_t *pwd, wr_t *pws)
{
uint32_t i;
for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) {
pwd->d[i] = pws->d[i];
}
}
|
