Bochs/bochs/cpu/simd_int.h
2013-11-29 11:10:34 +00:00

1488 lines
42 KiB
C

/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2011-2013 Stanislav Shwartsman
// Written by Stanislav Shwartsman [sshwarts at sourceforge net]
//
// 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, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA B 02110-1301 USA
//
/////////////////////////////////////////////////////////////////////////
#ifndef BX_SIMD_INT_FUNCTIONS_H
#define BX_SIMD_INT_FUNCTIONS_H
// absolute value
BX_CPP_INLINE void xmm_pabsb(BxPackedXmmRegister *op)
{
for(unsigned n=0; n<16; n++) {
if(op->xmmsbyte(n) < 0) op->xmmubyte(n) = -op->xmmsbyte(n);
}
}
BX_CPP_INLINE void xmm_pabsw(BxPackedXmmRegister *op)
{
for(unsigned n=0; n<8; n++) {
if(op->xmm16s(n) < 0) op->xmm16u(n) = -op->xmm16s(n);
}
}
BX_CPP_INLINE void xmm_pabsd(BxPackedXmmRegister *op)
{
for(unsigned n=0; n<4; n++) {
if(op->xmm32s(n) < 0) op->xmm32u(n) = -op->xmm32s(n);
}
}
// min/max
BX_CPP_INLINE void xmm_pminsb(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<16; n++) {
if(op2->xmmsbyte(n) < op1->xmmsbyte(n)) op1->xmmubyte(n) = op2->xmmubyte(n);
}
}
BX_CPP_INLINE void xmm_pminub(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<16; n++) {
if(op2->xmmubyte(n) < op1->xmmubyte(n)) op1->xmmubyte(n) = op2->xmmubyte(n);
}
}
BX_CPP_INLINE void xmm_pminsw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++) {
if(op2->xmm16s(n) < op1->xmm16s(n)) op1->xmm16s(n) = op2->xmm16s(n);
}
}
BX_CPP_INLINE void xmm_pminuw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++) {
if(op2->xmm16u(n) < op1->xmm16u(n)) op1->xmm16s(n) = op2->xmm16s(n);
}
}
BX_CPP_INLINE void xmm_pminsd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<4; n++) {
if(op2->xmm32s(n) < op1->xmm32s(n)) op1->xmm32u(n) = op2->xmm32u(n);
}
}
BX_CPP_INLINE void xmm_pminud(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<4; n++) {
if(op2->xmm32u(n) < op1->xmm32u(n)) op1->xmm32u(n) = op2->xmm32u(n);
}
}
BX_CPP_INLINE void xmm_pminsq(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<2; n++) {
if(op2->xmm64s(n) < op1->xmm64s(n)) op1->xmm64u(n) = op2->xmm64u(n);
}
}
BX_CPP_INLINE void xmm_pminuq(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<2; n++) {
if(op2->xmm64u(n) < op1->xmm64u(n)) op1->xmm64u(n) = op2->xmm64u(n);
}
}
BX_CPP_INLINE void xmm_pmaxsb(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<16; n++) {
if(op2->xmmsbyte(n) > op1->xmmsbyte(n)) op1->xmmubyte(n) = op2->xmmubyte(n);
}
}
BX_CPP_INLINE void xmm_pmaxub(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<16; n++) {
if(op2->xmmubyte(n) > op1->xmmubyte(n)) op1->xmmubyte(n) = op2->xmmubyte(n);
}
}
BX_CPP_INLINE void xmm_pmaxsw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++) {
if(op2->xmm16s(n) > op1->xmm16s(n)) op1->xmm16s(n) = op2->xmm16s(n);
}
}
BX_CPP_INLINE void xmm_pmaxuw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++) {
if(op2->xmm16u(n) > op1->xmm16u(n)) op1->xmm16s(n) = op2->xmm16s(n);
}
}
BX_CPP_INLINE void xmm_pmaxsd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<4; n++) {
if(op2->xmm32s(n) > op1->xmm32s(n)) op1->xmm32u(n) = op2->xmm32u(n);
}
}
BX_CPP_INLINE void xmm_pmaxud(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<4; n++) {
if(op2->xmm32u(n) > op1->xmm32u(n)) op1->xmm32u(n) = op2->xmm32u(n);
}
}
BX_CPP_INLINE void xmm_pmaxsq(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<2; n++) {
if(op2->xmm64s(n) > op1->xmm64s(n)) op1->xmm64u(n) = op2->xmm64u(n);
}
}
BX_CPP_INLINE void xmm_pmaxuq(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<2; n++) {
if(op2->xmm64u(n) > op1->xmm64u(n)) op1->xmm64u(n) = op2->xmm64u(n);
}
}
// unpack
BX_CPP_INLINE void xmm_unpcklps(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmm32u(3) = op2->xmm32u(1);
op1->xmm32u(2) = op1->xmm32u(1);
op1->xmm32u(1) = op2->xmm32u(0);
//op1->xmm32u(0) = op1->xmm32u(0);
}
BX_CPP_INLINE void xmm_unpckhps(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmm32u(0) = op1->xmm32u(2);
op1->xmm32u(1) = op2->xmm32u(2);
op1->xmm32u(2) = op1->xmm32u(3);
op1->xmm32u(3) = op2->xmm32u(3);
}
BX_CPP_INLINE void xmm_unpcklpd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
//op1->xmm64u(0) = op1->xmm64u(0);
op1->xmm64u(1) = op2->xmm64u(0);
}
BX_CPP_INLINE void xmm_unpckhpd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmm64u(0) = op1->xmm64u(1);
op1->xmm64u(1) = op2->xmm64u(1);
}
BX_CPP_INLINE void xmm_punpcklbw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmmubyte(0xF) = op2->xmmubyte(7);
op1->xmmubyte(0xE) = op1->xmmubyte(7);
op1->xmmubyte(0xD) = op2->xmmubyte(6);
op1->xmmubyte(0xC) = op1->xmmubyte(6);
op1->xmmubyte(0xB) = op2->xmmubyte(5);
op1->xmmubyte(0xA) = op1->xmmubyte(5);
op1->xmmubyte(0x9) = op2->xmmubyte(4);
op1->xmmubyte(0x8) = op1->xmmubyte(4);
op1->xmmubyte(0x7) = op2->xmmubyte(3);
op1->xmmubyte(0x6) = op1->xmmubyte(3);
op1->xmmubyte(0x5) = op2->xmmubyte(2);
op1->xmmubyte(0x4) = op1->xmmubyte(2);
op1->xmmubyte(0x3) = op2->xmmubyte(1);
op1->xmmubyte(0x2) = op1->xmmubyte(1);
op1->xmmubyte(0x1) = op2->xmmubyte(0);
//op1->xmmubyte(0x0) = op1->xmmubyte(0);
}
BX_CPP_INLINE void xmm_punpckhbw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmmubyte(0x0) = op1->xmmubyte(0x8);
op1->xmmubyte(0x1) = op2->xmmubyte(0x8);
op1->xmmubyte(0x2) = op1->xmmubyte(0x9);
op1->xmmubyte(0x3) = op2->xmmubyte(0x9);
op1->xmmubyte(0x4) = op1->xmmubyte(0xA);
op1->xmmubyte(0x5) = op2->xmmubyte(0xA);
op1->xmmubyte(0x6) = op1->xmmubyte(0xB);
op1->xmmubyte(0x7) = op2->xmmubyte(0xB);
op1->xmmubyte(0x8) = op1->xmmubyte(0xC);
op1->xmmubyte(0x9) = op2->xmmubyte(0xC);
op1->xmmubyte(0xA) = op1->xmmubyte(0xD);
op1->xmmubyte(0xB) = op2->xmmubyte(0xD);
op1->xmmubyte(0xC) = op1->xmmubyte(0xE);
op1->xmmubyte(0xD) = op2->xmmubyte(0xE);
op1->xmmubyte(0xE) = op1->xmmubyte(0xF);
op1->xmmubyte(0xF) = op2->xmmubyte(0xF);
}
BX_CPP_INLINE void xmm_punpcklwd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmm16u(7) = op2->xmm16u(3);
op1->xmm16u(6) = op1->xmm16u(3);
op1->xmm16u(5) = op2->xmm16u(2);
op1->xmm16u(4) = op1->xmm16u(2);
op1->xmm16u(3) = op2->xmm16u(1);
op1->xmm16u(2) = op1->xmm16u(1);
op1->xmm16u(1) = op2->xmm16u(0);
//op1->xmm16u(0) = op1->xmm16u(0);
}
BX_CPP_INLINE void xmm_punpckhwd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmm16u(0) = op1->xmm16u(4);
op1->xmm16u(1) = op2->xmm16u(4);
op1->xmm16u(2) = op1->xmm16u(5);
op1->xmm16u(3) = op2->xmm16u(5);
op1->xmm16u(4) = op1->xmm16u(6);
op1->xmm16u(5) = op2->xmm16u(6);
op1->xmm16u(6) = op1->xmm16u(7);
op1->xmm16u(7) = op2->xmm16u(7);
}
// pack
BX_CPP_INLINE void xmm_packuswb(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmmubyte(0x0) = SaturateWordSToByteU(op1->xmm16s(0));
op1->xmmubyte(0x1) = SaturateWordSToByteU(op1->xmm16s(1));
op1->xmmubyte(0x2) = SaturateWordSToByteU(op1->xmm16s(2));
op1->xmmubyte(0x3) = SaturateWordSToByteU(op1->xmm16s(3));
op1->xmmubyte(0x4) = SaturateWordSToByteU(op1->xmm16s(4));
op1->xmmubyte(0x5) = SaturateWordSToByteU(op1->xmm16s(5));
op1->xmmubyte(0x6) = SaturateWordSToByteU(op1->xmm16s(6));
op1->xmmubyte(0x7) = SaturateWordSToByteU(op1->xmm16s(7));
op1->xmmubyte(0x8) = SaturateWordSToByteU(op2->xmm16s(0));
op1->xmmubyte(0x9) = SaturateWordSToByteU(op2->xmm16s(1));
op1->xmmubyte(0xA) = SaturateWordSToByteU(op2->xmm16s(2));
op1->xmmubyte(0xB) = SaturateWordSToByteU(op2->xmm16s(3));
op1->xmmubyte(0xC) = SaturateWordSToByteU(op2->xmm16s(4));
op1->xmmubyte(0xD) = SaturateWordSToByteU(op2->xmm16s(5));
op1->xmmubyte(0xE) = SaturateWordSToByteU(op2->xmm16s(6));
op1->xmmubyte(0xF) = SaturateWordSToByteU(op2->xmm16s(7));
}
BX_CPP_INLINE void xmm_packsswb(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmmsbyte(0x0) = SaturateWordSToByteS(op1->xmm16s(0));
op1->xmmsbyte(0x1) = SaturateWordSToByteS(op1->xmm16s(1));
op1->xmmsbyte(0x2) = SaturateWordSToByteS(op1->xmm16s(2));
op1->xmmsbyte(0x3) = SaturateWordSToByteS(op1->xmm16s(3));
op1->xmmsbyte(0x4) = SaturateWordSToByteS(op1->xmm16s(4));
op1->xmmsbyte(0x5) = SaturateWordSToByteS(op1->xmm16s(5));
op1->xmmsbyte(0x6) = SaturateWordSToByteS(op1->xmm16s(6));
op1->xmmsbyte(0x7) = SaturateWordSToByteS(op1->xmm16s(7));
op1->xmmsbyte(0x8) = SaturateWordSToByteS(op2->xmm16s(0));
op1->xmmsbyte(0x9) = SaturateWordSToByteS(op2->xmm16s(1));
op1->xmmsbyte(0xA) = SaturateWordSToByteS(op2->xmm16s(2));
op1->xmmsbyte(0xB) = SaturateWordSToByteS(op2->xmm16s(3));
op1->xmmsbyte(0xC) = SaturateWordSToByteS(op2->xmm16s(4));
op1->xmmsbyte(0xD) = SaturateWordSToByteS(op2->xmm16s(5));
op1->xmmsbyte(0xE) = SaturateWordSToByteS(op2->xmm16s(6));
op1->xmmsbyte(0xF) = SaturateWordSToByteS(op2->xmm16s(7));
}
BX_CPP_INLINE void xmm_packusdw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmm16u(0) = SaturateDwordSToWordU(op1->xmm32s(0));
op1->xmm16u(1) = SaturateDwordSToWordU(op1->xmm32s(1));
op1->xmm16u(2) = SaturateDwordSToWordU(op1->xmm32s(2));
op1->xmm16u(3) = SaturateDwordSToWordU(op1->xmm32s(3));
op1->xmm16u(4) = SaturateDwordSToWordU(op2->xmm32s(0));
op1->xmm16u(5) = SaturateDwordSToWordU(op2->xmm32s(1));
op1->xmm16u(6) = SaturateDwordSToWordU(op2->xmm32s(2));
op1->xmm16u(7) = SaturateDwordSToWordU(op2->xmm32s(3));
}
BX_CPP_INLINE void xmm_packssdw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmm16s(0) = SaturateDwordSToWordS(op1->xmm32s(0));
op1->xmm16s(1) = SaturateDwordSToWordS(op1->xmm32s(1));
op1->xmm16s(2) = SaturateDwordSToWordS(op1->xmm32s(2));
op1->xmm16s(3) = SaturateDwordSToWordS(op1->xmm32s(3));
op1->xmm16s(4) = SaturateDwordSToWordS(op2->xmm32s(0));
op1->xmm16s(5) = SaturateDwordSToWordS(op2->xmm32s(1));
op1->xmm16s(6) = SaturateDwordSToWordS(op2->xmm32s(2));
op1->xmm16s(7) = SaturateDwordSToWordS(op2->xmm32s(3));
}
// shuffle
BX_CPP_INLINE void xmm_pshufb(BxPackedXmmRegister *r, const BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<16; n++)
{
unsigned mask = op2->xmmubyte(n);
if (mask & 0x80)
r->xmmubyte(n) = 0;
else
r->xmmubyte(n) = op1->xmmubyte(mask & 0xf);
}
}
BX_CPP_INLINE void xmm_pshufhw(BxPackedXmmRegister *r, const BxPackedXmmRegister *op, Bit8u order)
{
r->xmm64u(0) = op->xmm64u(0);
r->xmm16u(4) = op->xmm16u(4 + ((order >> 0) & 0x3));
r->xmm16u(5) = op->xmm16u(4 + ((order >> 2) & 0x3));
r->xmm16u(6) = op->xmm16u(4 + ((order >> 4) & 0x3));
r->xmm16u(7) = op->xmm16u(4 + ((order >> 6) & 0x3));
}
BX_CPP_INLINE void xmm_pshuflw(BxPackedXmmRegister *r, const BxPackedXmmRegister *op, Bit8u order)
{
r->xmm16u(0) = op->xmm16u((order >> 0) & 0x3);
r->xmm16u(1) = op->xmm16u((order >> 2) & 0x3);
r->xmm16u(2) = op->xmm16u((order >> 4) & 0x3);
r->xmm16u(3) = op->xmm16u((order >> 6) & 0x3);
r->xmm64u(1) = op->xmm64u(1);
}
BX_CPP_INLINE void xmm_shufps(BxPackedXmmRegister *r, const BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2, Bit8u order)
{
r->xmm32u(0) = op1->xmm32u((order >> 0) & 0x3);
r->xmm32u(1) = op1->xmm32u((order >> 2) & 0x3);
r->xmm32u(2) = op2->xmm32u((order >> 4) & 0x3);
r->xmm32u(3) = op2->xmm32u((order >> 6) & 0x3);
}
BX_CPP_INLINE void xmm_shufpd(BxPackedXmmRegister *r, const BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2, Bit8u order)
{
r->xmm64u(0) = op1->xmm64u((order >> 0) & 0x1);
r->xmm64u(1) = op2->xmm64u((order >> 1) & 0x1);
}
BX_CPP_INLINE void xmm_permilps(BxPackedXmmRegister *r, const BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
r->xmm32u(0) = op1->xmm32u(op2->xmm32u(0) & 0x3);
r->xmm32u(1) = op1->xmm32u(op2->xmm32u(1) & 0x3);
r->xmm32u(2) = op1->xmm32u(op2->xmm32u(2) & 0x3);
r->xmm32u(3) = op1->xmm32u(op2->xmm32u(3) & 0x3);
}
BX_CPP_INLINE void xmm_permilpd(BxPackedXmmRegister *r, const BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
r->xmm64u(0) = op1->xmm64u((op2->xmm32u(0) >> 1) & 0x1);
r->xmm64u(1) = op1->xmm64u((op2->xmm32u(2) >> 1) & 0x1);
}
BX_CPP_INLINE void xmm_permil2ps(BxPackedXmmRegister *r, const BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2, const BxPackedXmmRegister *op3, unsigned m2z)
{
for(unsigned n=0; n < 4; n++) {
Bit32u ctrl = op3->xmm32u(n);
if ((m2z ^ ((ctrl >> 3) & 0x1)) == 0x3)
r->xmm32u(n) = 0;
else
r->xmm32u(n) = (ctrl & 0x4) ? op1->xmm32u(ctrl & 0x3) : op2->xmm32u(ctrl & 0x3);
}
}
BX_CPP_INLINE void xmm_permil2pd(BxPackedXmmRegister *r, const BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2, const BxPackedXmmRegister *op3, unsigned m2z)
{
for(unsigned n=0; n < 2; n++) {
Bit32u ctrl = op3->xmm32u(n*2);
if ((m2z ^ ((ctrl >> 3) & 0x1)) == 0x3)
r->xmm64u(n) = 0;
else
r->xmm64u(n) = (ctrl & 0x4) ? op1->xmm64u((ctrl >> 1) & 0x1) : op2->xmm64u((ctrl >> 1) & 0x1);
}
}
// sign
BX_CPP_INLINE void xmm_psignb(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<16; n++) {
int sign = (op2->xmmsbyte(n) > 0) - (op2->xmmsbyte(n) < 0);
op1->xmmsbyte(n) *= sign;
}
}
BX_CPP_INLINE void xmm_psignw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++) {
int sign = (op2->xmm16s(n) > 0) - (op2->xmm16s(n) < 0);
op1->xmm16s(n) *= sign;
}
}
BX_CPP_INLINE void xmm_psignd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<4; n++) {
int sign = (op2->xmm32s(n) > 0) - (op2->xmm32s(n) < 0);
op1->xmm32s(n) *= sign;
}
}
// mask creation
BX_CPP_INLINE Bit32u xmm_pmovmskb(const BxPackedXmmRegister *op)
{
unsigned mask = 0;
if(op->xmmsbyte(0x0) < 0) mask |= 0x0001;
if(op->xmmsbyte(0x1) < 0) mask |= 0x0002;
if(op->xmmsbyte(0x2) < 0) mask |= 0x0004;
if(op->xmmsbyte(0x3) < 0) mask |= 0x0008;
if(op->xmmsbyte(0x4) < 0) mask |= 0x0010;
if(op->xmmsbyte(0x5) < 0) mask |= 0x0020;
if(op->xmmsbyte(0x6) < 0) mask |= 0x0040;
if(op->xmmsbyte(0x7) < 0) mask |= 0x0080;
if(op->xmmsbyte(0x8) < 0) mask |= 0x0100;
if(op->xmmsbyte(0x9) < 0) mask |= 0x0200;
if(op->xmmsbyte(0xA) < 0) mask |= 0x0400;
if(op->xmmsbyte(0xB) < 0) mask |= 0x0800;
if(op->xmmsbyte(0xC) < 0) mask |= 0x1000;
if(op->xmmsbyte(0xD) < 0) mask |= 0x2000;
if(op->xmmsbyte(0xE) < 0) mask |= 0x4000;
if(op->xmmsbyte(0xF) < 0) mask |= 0x8000;
return mask;
}
BX_CPP_INLINE Bit32u xmm_pmovmskd(const BxPackedXmmRegister *op)
{
unsigned mask = 0;
if(op->xmm32s(0) < 0) mask |= 0x1;
if(op->xmm32s(1) < 0) mask |= 0x2;
if(op->xmm32s(2) < 0) mask |= 0x4;
if(op->xmm32s(3) < 0) mask |= 0x8;
return mask;
}
BX_CPP_INLINE Bit32u xmm_pmovmskq(const BxPackedXmmRegister *op)
{
unsigned mask = 0;
if(op->xmm32s(1) < 0) mask |= 0x1;
if(op->xmm32s(3) < 0) mask |= 0x2;
return mask;
}
// blend
BX_CPP_INLINE void xmm_pblendw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2, unsigned mask)
{
if (mask & 0x01) op1->xmm16u(0) = op2->xmm16u(0);
if (mask & 0x02) op1->xmm16u(1) = op2->xmm16u(1);
if (mask & 0x04) op1->xmm16u(2) = op2->xmm16u(2);
if (mask & 0x08) op1->xmm16u(3) = op2->xmm16u(3);
if (mask & 0x10) op1->xmm16u(4) = op2->xmm16u(4);
if (mask & 0x20) op1->xmm16u(5) = op2->xmm16u(5);
if (mask & 0x40) op1->xmm16u(6) = op2->xmm16u(6);
if (mask & 0x80) op1->xmm16u(7) = op2->xmm16u(7);
}
BX_CPP_INLINE void xmm_blendps(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2, unsigned mask)
{
if (mask & 0x1) op1->xmm32u(0) = op2->xmm32u(0);
if (mask & 0x2) op1->xmm32u(1) = op2->xmm32u(1);
if (mask & 0x4) op1->xmm32u(2) = op2->xmm32u(2);
if (mask & 0x8) op1->xmm32u(3) = op2->xmm32u(3);
}
#if BX_SUPPORT_EVEX
BX_CPP_INLINE void xmm_zero_blendps(BxPackedXmmRegister *dst, const BxPackedXmmRegister *op, unsigned mask)
{
dst->xmm32u(0) = (mask & 0x1) ? op->xmm32u(0) : 0;
dst->xmm32u(1) = (mask & 0x2) ? op->xmm32u(1) : 0;
dst->xmm32u(2) = (mask & 0x4) ? op->xmm32u(2) : 0;
dst->xmm32u(3) = (mask & 0x8) ? op->xmm32u(3) : 0;
}
#endif
BX_CPP_INLINE void xmm_blendpd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2, unsigned mask)
{
if (mask & 0x1) op1->xmm64u(0) = op2->xmm64u(0);
if (mask & 0x2) op1->xmm64u(1) = op2->xmm64u(1);
}
#if BX_SUPPORT_EVEX
BX_CPP_INLINE void xmm_zero_blendpd(BxPackedXmmRegister *dst, const BxPackedXmmRegister *op, unsigned mask)
{
dst->xmm64u(0) = (mask & 0x1) ? op->xmm64u(0) : 0;
dst->xmm64u(1) = (mask & 0x2) ? op->xmm64u(1) : 0;
}
#endif
BX_CPP_INLINE void xmm_pblendvb(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2, const BxPackedXmmRegister *mask)
{
for(unsigned n=0; n<16; n++) {
if (mask->xmmsbyte(n) < 0) op1->xmmubyte(n) = op2->xmmubyte(n);
}
}
BX_CPP_INLINE void xmm_blendvps(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2, const BxPackedXmmRegister *mask)
{
for(unsigned n=0; n<4; n++) {
if (mask->xmm32s(n) < 0) op1->xmm32u(n) = op2->xmm32u(n);
}
}
BX_CPP_INLINE void xmm_blendvpd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2, const BxPackedXmmRegister *mask)
{
if (mask->xmm32s(1) < 0) op1->xmm64u(0) = op2->xmm64u(0);
if (mask->xmm32s(3) < 0) op1->xmm64u(1) = op2->xmm64u(1);
}
// arithmetic (logic)
BX_CPP_INLINE void xmm_andps(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for (unsigned n=0; n < 2; n++)
op1->xmm64u(n) &= op2->xmm64u(n);
}
BX_CPP_INLINE void xmm_andnps(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for (unsigned n=0; n < 2; n++)
op1->xmm64u(n) = ~(op1->xmm64u(n)) & op2->xmm64u(n);
}
BX_CPP_INLINE void xmm_orps(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for (unsigned n=0; n < 2; n++)
op1->xmm64u(n) |= op2->xmm64u(n);
}
BX_CPP_INLINE void xmm_xorps(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for (unsigned n=0; n < 2; n++)
op1->xmm64u(n) ^= op2->xmm64u(n);
}
// arithmetic (add/sub)
BX_CPP_INLINE void xmm_paddb(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<16; n++) {
op1->xmmubyte(n) += op2->xmmubyte(n);
}
}
BX_CPP_INLINE void xmm_paddw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++) {
op1->xmm16u(n) += op2->xmm16u(n);
}
}
BX_CPP_INLINE void xmm_paddd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<4; n++) {
op1->xmm32u(n) += op2->xmm32u(n);
}
}
BX_CPP_INLINE void xmm_paddq(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<2; n++) {
op1->xmm64u(n) += op2->xmm64u(n);
}
}
BX_CPP_INLINE void xmm_psubb(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<16; n++) {
op1->xmmubyte(n) -= op2->xmmubyte(n);
}
}
BX_CPP_INLINE void xmm_psubw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++) {
op1->xmm16u(n) -= op2->xmm16u(n);
}
}
BX_CPP_INLINE void xmm_psubd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<4; n++) {
op1->xmm32u(n) -= op2->xmm32u(n);
}
}
BX_CPP_INLINE void xmm_psubq(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<2; n++) {
op1->xmm64u(n) -= op2->xmm64u(n);
}
}
// arithmetic (add/sub with saturation)
BX_CPP_INLINE void xmm_paddsb(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<16; n++) {
op1->xmmsbyte(n) = SaturateWordSToByteS(Bit16s(op1->xmmsbyte(n)) + Bit16s(op2->xmmsbyte(n)));
}
}
BX_CPP_INLINE void xmm_paddsw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++) {
op1->xmm16s(n) = SaturateDwordSToWordS(Bit32s(op1->xmm16s(n)) + Bit32s(op2->xmm16s(n)));
}
}
BX_CPP_INLINE void xmm_paddusb(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<16; n++) {
op1->xmmubyte(n) = SaturateWordSToByteU(Bit16s(op1->xmmubyte(n)) + Bit16s(op2->xmmubyte(n)));
}
}
BX_CPP_INLINE void xmm_paddusw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++) {
op1->xmm16u(n) = SaturateDwordSToWordU(Bit32s(op1->xmm16u(n)) + Bit32s(op2->xmm16u(n)));
}
}
BX_CPP_INLINE void xmm_psubsb(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<16; n++) {
op1->xmmsbyte(n) = SaturateWordSToByteS(Bit16s(op1->xmmsbyte(n)) - Bit16s(op2->xmmsbyte(n)));
}
}
BX_CPP_INLINE void xmm_psubsw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++) {
op1->xmm16s(n) = SaturateDwordSToWordS(Bit32s(op1->xmm16s(n)) - Bit32s(op2->xmm16s(n)));
}
}
BX_CPP_INLINE void xmm_psubusb(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<16; n++)
{
if(op1->xmmubyte(n) > op2->xmmubyte(n))
op1->xmmubyte(n) -= op2->xmmubyte(n);
else
op1->xmmubyte(n) = 0;
}
}
BX_CPP_INLINE void xmm_psubusw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++)
{
if(op1->xmm16u(n) > op2->xmm16u(n))
op1->xmm16u(n) -= op2->xmm16u(n);
else
op1->xmm16u(n) = 0;
}
}
// arithmetic (horizontal add/sub)
BX_CPP_INLINE void xmm_phaddw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmm16u(0) = op1->xmm16u(0) + op1->xmm16u(1);
op1->xmm16u(1) = op1->xmm16u(2) + op1->xmm16u(3);
op1->xmm16u(2) = op1->xmm16u(4) + op1->xmm16u(5);
op1->xmm16u(3) = op1->xmm16u(6) + op1->xmm16u(7);
op1->xmm16u(4) = op2->xmm16u(0) + op2->xmm16u(1);
op1->xmm16u(5) = op2->xmm16u(2) + op2->xmm16u(3);
op1->xmm16u(6) = op2->xmm16u(4) + op2->xmm16u(5);
op1->xmm16u(7) = op2->xmm16u(6) + op2->xmm16u(7);
}
BX_CPP_INLINE void xmm_phaddd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmm32u(0) = op1->xmm32u(0) + op1->xmm32u(1);
op1->xmm32u(1) = op1->xmm32u(2) + op1->xmm32u(3);
op1->xmm32u(2) = op2->xmm32u(0) + op2->xmm32u(1);
op1->xmm32u(3) = op2->xmm32u(2) + op2->xmm32u(3);
}
BX_CPP_INLINE void xmm_phaddsw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmm16s(0) = SaturateDwordSToWordS(Bit32s(op1->xmm16s(0)) + Bit32s(op1->xmm16s(1)));
op1->xmm16s(1) = SaturateDwordSToWordS(Bit32s(op1->xmm16s(2)) + Bit32s(op1->xmm16s(3)));
op1->xmm16s(2) = SaturateDwordSToWordS(Bit32s(op1->xmm16s(4)) + Bit32s(op1->xmm16s(5)));
op1->xmm16s(3) = SaturateDwordSToWordS(Bit32s(op1->xmm16s(6)) + Bit32s(op1->xmm16s(7)));
op1->xmm16s(4) = SaturateDwordSToWordS(Bit32s(op2->xmm16s(0)) + Bit32s(op2->xmm16s(1)));
op1->xmm16s(5) = SaturateDwordSToWordS(Bit32s(op2->xmm16s(2)) + Bit32s(op2->xmm16s(3)));
op1->xmm16s(6) = SaturateDwordSToWordS(Bit32s(op2->xmm16s(4)) + Bit32s(op2->xmm16s(5)));
op1->xmm16s(7) = SaturateDwordSToWordS(Bit32s(op2->xmm16s(6)) + Bit32s(op2->xmm16s(7)));
}
BX_CPP_INLINE void xmm_phsubw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmm16u(0) = op1->xmm16u(0) - op1->xmm16u(1);
op1->xmm16u(1) = op1->xmm16u(2) - op1->xmm16u(3);
op1->xmm16u(2) = op1->xmm16u(4) - op1->xmm16u(5);
op1->xmm16u(3) = op1->xmm16u(6) - op1->xmm16u(7);
op1->xmm16u(4) = op2->xmm16u(0) - op2->xmm16u(1);
op1->xmm16u(5) = op2->xmm16u(2) - op2->xmm16u(3);
op1->xmm16u(6) = op2->xmm16u(4) - op2->xmm16u(5);
op1->xmm16u(7) = op2->xmm16u(6) - op2->xmm16u(7);
}
BX_CPP_INLINE void xmm_phsubd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmm32u(0) = op1->xmm32u(0) - op1->xmm32u(1);
op1->xmm32u(1) = op1->xmm32u(2) - op1->xmm32u(3);
op1->xmm32u(2) = op2->xmm32u(0) - op2->xmm32u(1);
op1->xmm32u(3) = op2->xmm32u(2) - op2->xmm32u(3);
}
BX_CPP_INLINE void xmm_phsubsw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmm16s(0) = SaturateDwordSToWordS(Bit32s(op1->xmm16s(0)) - Bit32s(op1->xmm16s(1)));
op1->xmm16s(1) = SaturateDwordSToWordS(Bit32s(op1->xmm16s(2)) - Bit32s(op1->xmm16s(3)));
op1->xmm16s(2) = SaturateDwordSToWordS(Bit32s(op1->xmm16s(4)) - Bit32s(op1->xmm16s(5)));
op1->xmm16s(3) = SaturateDwordSToWordS(Bit32s(op1->xmm16s(6)) - Bit32s(op1->xmm16s(7)));
op1->xmm16s(4) = SaturateDwordSToWordS(Bit32s(op2->xmm16s(0)) - Bit32s(op2->xmm16s(1)));
op1->xmm16s(5) = SaturateDwordSToWordS(Bit32s(op2->xmm16s(2)) - Bit32s(op2->xmm16s(3)));
op1->xmm16s(6) = SaturateDwordSToWordS(Bit32s(op2->xmm16s(4)) - Bit32s(op2->xmm16s(5)));
op1->xmm16s(7) = SaturateDwordSToWordS(Bit32s(op2->xmm16s(6)) - Bit32s(op2->xmm16s(7)));
}
// average
BX_CPP_INLINE void xmm_pavgb(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<16; n++) {
op1->xmmubyte(n) = (op1->xmmubyte(n) + op2->xmmubyte(n) + 1) >> 1;
}
}
BX_CPP_INLINE void xmm_pavgw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++) {
op1->xmm16u(n) = (op1->xmm16u(n) + op2->xmm16u(n) + 1) >> 1;
}
}
// multiply
BX_CPP_INLINE void xmm_pmullw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++) {
Bit32u product = Bit32u(op1->xmm16u(n)) * Bit32u(op2->xmm16u(n));
op1->xmm16u(n) = product & 0xffff;
}
}
BX_CPP_INLINE void xmm_pmulhw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++) {
Bit32s product = Bit32s(op1->xmm16s(n)) * Bit32s(op2->xmm16s(n));
op1->xmm16u(n) = (Bit16u)(product >> 16);
}
}
BX_CPP_INLINE void xmm_pmulhuw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++) {
Bit32u product = Bit32u(op1->xmm16u(n)) * Bit32u(op2->xmm16u(n));
op1->xmm16u(n) = (Bit16u)(product >> 16);
}
}
BX_CPP_INLINE void xmm_pmulld(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<4; n++) {
Bit64s product = Bit64s(op1->xmm32s(n)) * Bit64s(op2->xmm32s(n));
op1->xmm32u(n) = (Bit32u)(product & 0xffffffff);
}
}
BX_CPP_INLINE void xmm_pmuldq(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmm64s(0) = Bit64s(op1->xmm32s(0)) * Bit64s(op2->xmm32s(0));
op1->xmm64s(1) = Bit64s(op1->xmm32s(2)) * Bit64s(op2->xmm32s(2));
}
BX_CPP_INLINE void xmm_pmuludq(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
op1->xmm64u(0) = Bit64u(op1->xmm32u(0)) * Bit64u(op2->xmm32u(0));
op1->xmm64u(1) = Bit64u(op1->xmm32u(2)) * Bit64u(op2->xmm32u(2));
}
BX_CPP_INLINE void xmm_pmulhrsw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++) {
op1->xmm16u(n) = (((op1->xmm16s(n) * op2->xmm16s(n)) >> 14) + 1) >> 1;
}
}
// multiply/add
BX_CPP_INLINE void xmm_pmaddubsw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<8; n++)
{
Bit32s temp = Bit32s(op1->xmmubyte(n*2)) * Bit32s(op2->xmmsbyte(n*2)) +
Bit32s(op1->xmmubyte(n*2+1)) * Bit32s(op2->xmmsbyte(n*2+1));
op1->xmm16s(n) = SaturateDwordSToWordS(temp);
}
}
BX_CPP_INLINE void xmm_pmaddwd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0; n<4; n++)
{
if((op1->xmm32u(n) & op2->xmm32u(n)) == 0x80008000) {
op1->xmm32u(n) = 0x80000000;
}
else {
op1->xmm32u(n) = Bit32s(op1->xmm16s(n*2)) * Bit32s(op2->xmm16s(n*2)) +
Bit32s(op1->xmm16s(n*2+1)) * Bit32s(op2->xmm16s(n*2+1));
}
}
}
// broadcast
BX_CPP_INLINE void xmm_pbroadcastb(BxPackedXmmRegister *op, Bit8u val_8)
{
for(unsigned n=0; n<16; n++) {
op->xmmubyte(n) = val_8;
}
}
BX_CPP_INLINE void xmm_pbroadcastw(BxPackedXmmRegister *op, Bit16u val_16)
{
for(unsigned n=0; n<8; n++) {
op->xmm16u(n) = val_16;
}
}
BX_CPP_INLINE void xmm_pbroadcastd(BxPackedXmmRegister *op, Bit32u val_32)
{
for(unsigned n=0; n<4; n++) {
op->xmm32u(n) = val_32;
}
}
BX_CPP_INLINE void xmm_pbroadcastq(BxPackedXmmRegister *op, Bit64u val_64)
{
for(unsigned n=0; n<2; n++) {
op->xmm64u(n) = val_64;
}
}
#if BX_SUPPORT_EVEX
BX_CPP_INLINE void simd_pbroadcastb(BxPackedZmmRegister *op, Bit8u val_8, unsigned len)
{
for(unsigned n=0; n < len; n++) {
op->vmmubyte(n) = val_8;
}
}
BX_CPP_INLINE void simd_pbroadcastw(BxPackedZmmRegister *op, Bit16u val_16, unsigned len)
{
for(unsigned n=0; n < len; n++) {
op->vmm16u(n) = val_16;
}
}
BX_CPP_INLINE void simd_pbroadcastd(BxPackedZmmRegister *op, Bit32u val_32, unsigned len)
{
for(unsigned n=0; n < len; n++) {
op->vmm32u(n) = val_32;
}
}
BX_CPP_INLINE void simd_pbroadcastq(BxPackedZmmRegister *op, Bit64u val_64, unsigned len)
{
for(unsigned n=0; n < len; n++) {
op->vmm64u(n) = val_64;
}
}
#endif
// sum of absolute differences (SAD)
BX_CPP_INLINE void xmm_psadbw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
unsigned temp1 = 0, temp2 = 0, n;
for (n=0; n < 8; n++)
temp1 += abs(op1->xmmubyte(n) - op2->xmmubyte(n));
for (; n < 16; n++)
temp2 += abs(op1->xmmubyte(n) - op2->xmmubyte(n));
op1->xmm64u(0) = Bit64u(temp1);
op1->xmm64u(1) = Bit64u(temp2);
}
// multiple sum of absolute differences (MSAD)
BX_CPP_INLINE void xmm_mpsadbw(BxPackedXmmRegister *r, const BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2, Bit8u offset)
{
unsigned src_offset = (offset & 0x3) * 4;
unsigned dst_offset = ((offset >> 2) & 1) * 4;
for (unsigned j=0; j < 8; j++)
{
r->xmm16u(j) = 0;
for (unsigned k=0; k < 4; k++) {
Bit8u temp1 = op1->xmmubyte(j + k + dst_offset);
Bit8u temp2 = op2->xmmubyte( k + src_offset);
if (temp1 > temp2)
r->xmm16u(j) += (temp1 - temp2);
else
r->xmm16u(j) += (temp2 - temp1);
}
}
}
// bitwise select
BX_CPP_INLINE void xmm_pselect(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2, const BxPackedXmmRegister *op3)
{
for(unsigned n=0;n < 2;n++) {
op1->xmm64u(n) = (op3->xmm64u(n) & op1->xmm64u(n)) | (~op3->xmm64u(n) & op2->xmm64u(n));
}
}
// shift
BX_CPP_INLINE void xmm_psravd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for (unsigned n=0; n < 4; n++) {
Bit32u shift = op2->xmm32u(n);
if(shift > 31)
op1->xmm32u(n) = (op1->xmm32s(n) < 0) ? 0xffffffff : 0;
else
op1->xmm32u(n) = (Bit32u)(op1->xmm32s(n) >> shift);
}
}
BX_CPP_INLINE void xmm_psllvd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for (unsigned n=0; n < 4; n++) {
Bit32u shift = op2->xmm32u(n);
if(shift > 31)
op1->xmm32u(n) = 0;
else
op1->xmm32u(n) <<= shift;
}
}
BX_CPP_INLINE void xmm_psllvq(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for (unsigned n=0; n < 2; n++) {
Bit64u shift = op2->xmm64u(n);
if(shift > 63)
op1->xmm64u(n) = 0;
else
op1->xmm64u(n) <<= shift;
}
}
BX_CPP_INLINE void xmm_psrlvd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for (unsigned n=0; n < 4; n++) {
Bit32u shift = op2->xmm32u(n);
if(shift > 31)
op1->xmm32u(n) = 0;
else
op1->xmm32u(n) >>= shift;
}
}
BX_CPP_INLINE void xmm_psrlvq(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for (unsigned n=0; n < 2; n++) {
Bit64u shift = op2->xmm64u(n);
if(shift > 63)
op1->xmm64u(n) = 0;
else
op1->xmm64u(n) >>= shift;
}
}
BX_CPP_INLINE void xmm_psraw(BxPackedXmmRegister *op, Bit64u shift_64)
{
if(shift_64 > 15) {
for (unsigned n=0; n < 8; n++)
op->xmm16u(n) = (op->xmm16s(n) < 0) ? 0xffff : 0;
}
else
{
Bit8u shift = (Bit8u) shift_64;
for (unsigned n=0; n < 8; n++)
op->xmm16u(n) = (Bit16u)(op->xmm16s(n) >> shift);
}
}
BX_CPP_INLINE void xmm_psrad(BxPackedXmmRegister *op, Bit64u shift_64)
{
if(shift_64 > 31) {
for (unsigned n=0; n < 4; n++)
op->xmm32u(n) = (op->xmm32s(n) < 0) ? 0xffffffff : 0;
}
else
{
Bit8u shift = (Bit8u) shift_64;
for (unsigned n=0; n < 4; n++)
op->xmm32u(n) = (Bit32u)(op->xmm32s(n) >> shift);
}
}
BX_CPP_INLINE void xmm_psrlw(BxPackedXmmRegister *op, Bit64u shift_64)
{
if(shift_64 > 15) {
op->xmm64u(0) = 0;
op->xmm64u(1) = 0;
}
else
{
Bit8u shift = (Bit8u) shift_64;
for (unsigned n=0; n < 8; n++)
op->xmm16u(n) >>= shift;
}
}
BX_CPP_INLINE void xmm_psrld(BxPackedXmmRegister *op, Bit64u shift_64)
{
if(shift_64 > 31) {
op->xmm64u(0) = 0;
op->xmm64u(1) = 0;
}
else
{
Bit8u shift = (Bit8u) shift_64;
for (unsigned n=0; n < 4; n++)
op->xmm32u(n) >>= shift;
}
}
BX_CPP_INLINE void xmm_psrlq(BxPackedXmmRegister *op, Bit64u shift_64)
{
if(shift_64 > 64) {
op->xmm64u(0) = 0;
op->xmm64u(1) = 0;
}
else
{
Bit8u shift = (Bit8u) shift_64;
for (unsigned n=0; n < 2; n++)
op->xmm64u(n) >>= shift;
}
}
BX_CPP_INLINE void xmm_psllw(BxPackedXmmRegister *op, Bit64u shift_64)
{
if(shift_64 > 15) {
op->xmm64u(0) = 0;
op->xmm64u(1) = 0;
}
else
{
Bit8u shift = (Bit8u) shift_64;
for (unsigned n=0; n < 8; n++)
op->xmm16u(n) <<= shift;
}
}
BX_CPP_INLINE void xmm_pslld(BxPackedXmmRegister *op, Bit64u shift_64)
{
if(shift_64 > 31) {
op->xmm64u(0) = 0;
op->xmm64u(1) = 0;
}
else
{
Bit8u shift = (Bit8u) shift_64;
for (unsigned n=0; n < 4; n++)
op->xmm32u(n) <<= shift;
}
}
BX_CPP_INLINE void xmm_psllq(BxPackedXmmRegister *op, Bit64u shift_64)
{
if(shift_64 > 63) {
op->xmm64u(0) = 0;
op->xmm64u(1) = 0;
}
else
{
Bit8u shift = (Bit8u) shift_64;
for (unsigned n=0; n < 2; n++)
op->xmm64u(n) <<= shift;
}
}
BX_CPP_INLINE void xmm_psrldq(BxPackedXmmRegister *op, Bit8u shift)
{
if(shift > 15) {
op->xmm64u(0) = 0;
op->xmm64u(1) = 0;
}
else {
if (shift > 7) {
op->xmm64u(0) = op->xmm64u(1);
op->xmm64u(1) = 0;
shift -= 8;
}
shift <<= 3;
if (shift != 0) {
op->xmm64u(0) = (op->xmm64u(0) >> shift) | (op->xmm64u(1) << (64-shift));
op->xmm64u(1) = (op->xmm64u(1) >> shift);
}
}
}
BX_CPP_INLINE void xmm_pslldq(BxPackedXmmRegister *op, Bit8u shift)
{
if(shift > 15) {
op->xmm64u(0) = 0;
op->xmm64u(1) = 0;
}
else {
if (shift > 7) {
op->xmm64u(1) = op->xmm64u(0);
op->xmm64u(0) = 0;
shift -= 8;
}
shift <<= 3;
if (shift != 0) {
op->xmm64u(1) = (op->xmm64u(1) << shift) | (op->xmm64u(0) >> (64-shift));
op->xmm64u(0) = (op->xmm64u(0) << shift);
}
}
}
BX_CPP_INLINE void xmm_palignr(BxPackedXmmRegister *op2, const BxPackedXmmRegister *op1, Bit8u shift)
{
// op2 = [op1:op2] >> shift
if (shift > 15) {
*op2 = *op1;
xmm_psrldq(op2, shift - 16);
return;
}
shift <<= 3;
if (shift > 64) {
shift -= 64;
op2->xmm64u(0) = (op2->xmm64u(1) >> shift) | (op1->xmm64u(0) << (64-shift));
op2->xmm64u(1) = (op1->xmm64u(0) >> shift) | (op1->xmm64u(1) << (64-shift));
}
else if (shift == 64) {
op2->xmm64u(0) = op2->xmm64u(1);
op2->xmm64u(1) = op1->xmm64u(0);
}
else if (shift != 0) {
op2->xmm64u(0) = (op2->xmm64u(0) >> shift) | (op2->xmm64u(1) << (64-shift));
op2->xmm64u(1) = (op2->xmm64u(1) >> shift) | (op1->xmm64u(0) << (64-shift));
}
}
// rotate (right)
BX_CPP_INLINE void xmm_prorb(BxPackedXmmRegister *op, int shift)
{
shift &= 0x7;
for(unsigned n=0;n<16;n++) {
op->xmmubyte(n) = (op->xmmubyte(n) >> shift) | (op->xmmubyte(n) << (8 - shift));
}
}
BX_CPP_INLINE void xmm_prorw(BxPackedXmmRegister *op, int shift)
{
shift &= 0xf;
for(unsigned n=0;n<8;n++) {
op->xmm16u(n) = (op->xmm16u(n) >> shift) | (op->xmm16u(n) << (16 - shift));
}
}
BX_CPP_INLINE void xmm_prord(BxPackedXmmRegister *op, int shift)
{
shift &= 0x1f;
for(unsigned n=0;n<4;n++) {
op->xmm32u(n) = (op->xmm32u(n) >> shift) | (op->xmm32u(n) << (32 - shift));
}
}
BX_CPP_INLINE void xmm_prorq(BxPackedXmmRegister *op, int shift)
{
shift &= 0x3f;
for(unsigned n=0;n<2;n++) {
op->xmm64u(n) = (op->xmm64u(n) >> shift) | (op->xmm64u(n) << (64 - shift));
}
}
// rotate (left)
BX_CPP_INLINE void xmm_prolb(BxPackedXmmRegister *op, int shift)
{
shift &= 0x7;
for(unsigned n=0;n<16;n++) {
op->xmmubyte(n) = (op->xmmubyte(n) << shift) | (op->xmmubyte(n) >> (8 - shift));
}
}
BX_CPP_INLINE void xmm_prolw(BxPackedXmmRegister *op, int shift)
{
shift &= 0xf;
for(unsigned n=0;n<8;n++) {
op->xmm16u(n) = (op->xmm16u(n) << shift) | (op->xmm16u(n) >> (16 - shift));
}
}
BX_CPP_INLINE void xmm_prold(BxPackedXmmRegister *op, int shift)
{
shift &= 0x1f;
for(unsigned n=0;n<4;n++) {
op->xmm32u(n) = (op->xmm32u(n) << shift) | (op->xmm32u(n) >> (32 - shift));
}
}
BX_CPP_INLINE void xmm_prolq(BxPackedXmmRegister *op, int shift)
{
shift &= 0x3f;
for(unsigned n=0;n<2;n++) {
op->xmm64u(n) = (op->xmm64u(n) << shift) | (op->xmm64u(n) >> (64 - shift));
}
}
// variable shift/rotate (XOP)
BX_CPP_INLINE void xmm_protb(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0;n < 16;n++) {
int shift = op2->xmmsbyte(n);
if (shift > 0) {
// rotate left
shift &= 0x7;
op1->xmmubyte(n) = (op1->xmmubyte(n) << shift) | (op1->xmmubyte(n) >> (8 - shift));
}
else if (shift < 0) {
// rotate right
shift = -shift & 0x7;
op1->xmmubyte(n) = (op1->xmmubyte(n) >> shift) | (op1->xmmubyte(n) << (8 - shift));
}
}
}
BX_CPP_INLINE void xmm_protw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0;n < 8;n++) {
int shift = op2->xmmsbyte(n*2);
if (shift > 0) {
// rotate left
shift &= 0xf;
op1->xmm16u(n) = (op1->xmm16u(n) << shift) | (op1->xmm16u(n) >> (16 - shift));
}
else if (shift < 0) {
// rotate right
shift = -shift & 0xf;
op1->xmm16u(n) = (op1->xmm16u(n) >> shift) | (op1->xmm16u(n) << (16 - shift));
}
}
}
BX_CPP_INLINE void xmm_protd(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0;n < 4;n++) {
int shift = op2->xmmsbyte(n*4);
if (shift > 0) {
// rotate left
shift &= 0x1f;
op1->xmm32u(n) = (op1->xmm32u(n) << shift) | (op1->xmm32u(n) >> (32 - shift));
}
else if (shift < 0) {
// rotate right
shift = -shift & 0x1f;
op1->xmm32u(n) = (op1->xmm32u(n) >> shift) | (op1->xmm32u(n) << (32 - shift));
}
}
}
BX_CPP_INLINE void xmm_protq(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0;n < 2;n++) {
int shift = op2->xmmsbyte(n*8);
if (shift > 0) {
// rotate left
shift &= 0x3f;
op1->xmm64u(n) = (op1->xmm64u(n) << shift) | (op1->xmm64u(n) >> (64 - shift));
}
else if (shift < 0) {
// rotate right
shift = -shift & 0x3f;
op1->xmm64u(n) = (op1->xmm64u(n) >> shift) | (op1->xmm64u(n) << (64 - shift));
}
}
}
BX_CPP_INLINE void xmm_pshab(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0;n < 16;n++) {
int shift = op2->xmmsbyte(n);
if (shift > 0) {
// shift left
op1->xmmsbyte(n) <<= (shift & 0x7);
}
else if (shift < 0) {
// shift right
op1->xmmsbyte(n) >>= (-shift & 0x7);
}
}
}
BX_CPP_INLINE void xmm_pshaw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0;n < 8;n++) {
int shift = op2->xmmsbyte(n*2);
if (shift > 0) {
// shift left
op1->xmm16s(n) <<= (shift & 0xf);
}
else if (shift < 0) {
// shift right
op1->xmm16s(n) >>= (-shift & 0xf);
}
}
}
BX_CPP_INLINE void xmm_pshad(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0;n < 4;n++) {
int shift = op2->xmmsbyte(n*4);
if (shift > 0) {
// shift left
op1->xmm32s(n) <<= (shift & 0x1f);
}
else if (shift < 0) {
// shift right
op1->xmm32s(n) >>= (-shift & 0x1f);
}
}
}
BX_CPP_INLINE void xmm_pshaq(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0;n < 2;n++) {
int shift = op2->xmmsbyte(n*8);
if (shift > 0) {
// shift left
op1->xmm64s(n) <<= (shift & 0x3f);
}
else if (shift < 0) {
// shift right
op1->xmm64s(n) >>= (-shift & 0x3f);
}
}
}
BX_CPP_INLINE void xmm_pshlb(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0;n < 16;n++) {
int shift = op2->xmmsbyte(n);
if (shift > 0) {
// shift left
op1->xmmubyte(n) <<= (shift & 0x7);
}
else if (shift < 0) {
// shift right
op1->xmmubyte(n) >>= (-shift & 0x7);
}
}
}
BX_CPP_INLINE void xmm_pshlw(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0;n < 8;n++) {
int shift = op2->xmmubyte(n*2);
if (shift > 0) {
// shift left
op1->xmm16u(n) <<= (shift & 0xf);
}
else if (shift < 0) {
// shift right
op1->xmm16u(n) >>= (-shift & 0xf);
}
}
}
BX_CPP_INLINE void xmm_pshld(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0;n < 4;n++) {
int shift = op2->xmmsbyte(n*4);
if (shift > 0) {
// shift left
op1->xmm32u(n) <<= (shift & 0x1f);
}
else if (shift < 0) {
// shift right
op1->xmm32u(n) >>= (-shift & 0x1f);
}
}
}
BX_CPP_INLINE void xmm_pshlq(BxPackedXmmRegister *op1, const BxPackedXmmRegister *op2)
{
for(unsigned n=0;n < 2;n++) {
int shift = op2->xmmsbyte(n*8);
if (shift > 0) {
// shift left
op1->xmm64u(n) <<= (shift & 0x3f);
}
else if (shift < 0) {
// shift right
op1->xmm64u(n) >>= (-shift & 0x3f);
}
}
}
#endif