qemu/target/tilegx/simd_helper.c
Markus Armbruster a8d2532645 Include qemu-common.h exactly where needed
No header includes qemu-common.h after this commit, as prescribed by
qemu-common.h's file comment.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-5-armbru@redhat.com>
[Rebased with conflicts resolved automatically, except for
include/hw/arm/xlnx-zynqmp.h hw/arm/nrf51_soc.c hw/arm/msf2-soc.c
block/qcow2-refcount.c block/qcow2-cluster.c block/qcow2-cache.c
target/arm/cpu.h target/lm32/cpu.h target/m68k/cpu.h target/mips/cpu.h
target/moxie/cpu.h target/nios2/cpu.h target/openrisc/cpu.h
target/riscv/cpu.h target/tilegx/cpu.h target/tricore/cpu.h
target/unicore32/cpu.h target/xtensa/cpu.h; bsd-user/main.c and
net/tap-bsd.c fixed up]
2019-06-12 13:20:20 +02:00

166 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 "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;
}