mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-09-06 18:05:37 +00:00
![Peter Maydell](/assets/img/avatar_default.png)
Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1453832250-766-35-git-send-email-peter.maydell@linaro.org
167 lines
3.6 KiB
C
167 lines
3.6 KiB
C
/*
|
|
* QEMU TILE-Gx helpers
|
|
*
|
|
* Copyright (c) 2015 Chen Gang
|
|
*
|
|
* 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 2.1 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/lgpl-2.1.html>
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "cpu.h"
|
|
#include "qemu-common.h"
|
|
#include "exec/helper-proto.h"
|
|
|
|
|
|
/* Broadcast a value to all elements of a vector. */
|
|
#define V1(X) (((X) & 0xff) * 0x0101010101010101ull)
|
|
#define V2(X) (((X) & 0xffff) * 0x0001000100010001ull)
|
|
|
|
|
|
uint64_t helper_v1multu(uint64_t a, uint64_t b)
|
|
{
|
|
uint64_t r = 0;
|
|
int i;
|
|
|
|
for (i = 0; i < 64; i += 8) {
|
|
unsigned ae = extract64(a, i, 8);
|
|
unsigned be = extract64(b, i, 8);
|
|
r = deposit64(r, i, 8, ae * be);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
uint64_t helper_v2mults(uint64_t a, uint64_t b)
|
|
{
|
|
uint64_t r = 0;
|
|
int i;
|
|
|
|
/* While the instruction talks about signed inputs, with a
|
|
truncated result the sign of the inputs doesn't matter. */
|
|
for (i = 0; i < 64; i += 16) {
|
|
unsigned ae = extract64(a, i, 16);
|
|
unsigned be = extract64(b, i, 16);
|
|
r = deposit64(r, i, 16, ae * be);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
uint64_t helper_v1shl(uint64_t a, uint64_t b)
|
|
{
|
|
uint64_t m;
|
|
|
|
b &= 7;
|
|
m = V1(0xff >> b);
|
|
return (a & m) << b;
|
|
}
|
|
|
|
uint64_t helper_v2shl(uint64_t a, uint64_t b)
|
|
{
|
|
uint64_t m;
|
|
|
|
b &= 15;
|
|
m = V2(0xffff >> b);
|
|
return (a & m) << b;
|
|
}
|
|
|
|
uint64_t helper_v1shru(uint64_t a, uint64_t b)
|
|
{
|
|
uint64_t m;
|
|
|
|
b &= 7;
|
|
m = V1(0xff << b);
|
|
return (a & m) >> b;
|
|
}
|
|
|
|
uint64_t helper_v2shru(uint64_t a, uint64_t b)
|
|
{
|
|
uint64_t m;
|
|
|
|
b &= 15;
|
|
m = V2(0xffff << b);
|
|
return (a & m) >> b;
|
|
}
|
|
|
|
uint64_t helper_v1shrs(uint64_t a, uint64_t b)
|
|
{
|
|
uint64_t r = 0;
|
|
int i;
|
|
|
|
b &= 7;
|
|
for (i = 0; i < 64; i += 8) {
|
|
r = deposit64(r, i, 8, sextract64(a, i + b, 8 - b));
|
|
}
|
|
return r;
|
|
}
|
|
|
|
uint64_t helper_v2shrs(uint64_t a, uint64_t b)
|
|
{
|
|
uint64_t r = 0;
|
|
int i;
|
|
|
|
b &= 15;
|
|
for (i = 0; i < 64; i += 16) {
|
|
r = deposit64(r, i, 16, sextract64(a, i + b, 16 - b));
|
|
}
|
|
return r;
|
|
}
|
|
|
|
uint64_t helper_v1int_h(uint64_t a, uint64_t b)
|
|
{
|
|
uint64_t r = 0;
|
|
int i;
|
|
|
|
for (i = 0; i < 32; i += 8) {
|
|
r = deposit64(r, 2 * i + 8, 8, extract64(a, i + 32, 8));
|
|
r = deposit64(r, 2 * i, 8, extract64(b, i + 32, 8));
|
|
}
|
|
return r;
|
|
}
|
|
|
|
uint64_t helper_v1int_l(uint64_t a, uint64_t b)
|
|
{
|
|
uint64_t r = 0;
|
|
int i;
|
|
|
|
for (i = 0; i < 32; i += 8) {
|
|
r = deposit64(r, 2 * i + 8, 8, extract64(a, i, 8));
|
|
r = deposit64(r, 2 * i, 8, extract64(b, i, 8));
|
|
}
|
|
return r;
|
|
}
|
|
|
|
uint64_t helper_v2int_h(uint64_t a, uint64_t b)
|
|
{
|
|
uint64_t r = 0;
|
|
int i;
|
|
|
|
for (i = 0; i < 32; i += 16) {
|
|
r = deposit64(r, 2 * i + 16, 16, extract64(a, i + 32, 16));
|
|
r = deposit64(r, 2 * i, 16, extract64(b, i + 32, 16));
|
|
}
|
|
return r;
|
|
}
|
|
|
|
uint64_t helper_v2int_l(uint64_t a, uint64_t b)
|
|
{
|
|
uint64_t r = 0;
|
|
int i;
|
|
|
|
for (i = 0; i < 32; i += 16) {
|
|
r = deposit64(r, 2 * i + 16, 16, extract64(a, i, 16));
|
|
r = deposit64(r, 2 * i, 16, extract64(b, i, 16));
|
|
}
|
|
return r;
|
|
}
|