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Bochs/bochs/cpu/mmx.cc
Kevin Lawton 1e22357b06 Very small #ifdef mods so that all the static functions would 
be compiled out, when MMX is not enabled for a compile.  Eliminates
the unused warnings from the compiler.
2002-09-09 17:13:13 +00:00

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#define NEED_CPU_REG_SHORTCUTS 1
#include "bochs.h"
#define LOG_THIS BX_CPU_THIS_PTR
#if BX_SUPPORT_MMX
#define MMX_REGFILE ((BX_CPU_THIS_PTR the_i387).mmx)
#define MMX_TWD (MMX_REGFILE.twd)
#define MMX_SWD (MMX_REGFILE.swd)
#define MMX_TOS (MMX_REGFILE.tos)
#define BX_READ_MMX_REG(index) (MMX_REGFILE.mmx[index].packed_mmx_register)
#define BX_WRITE_MMX_REG(index, value) \
{ \
MMX_REGFILE.mmx[index].packed_mmx_register = value; \
MMX_REGFILE.mmx[index].exp = 0xFFFF; \
}
static Bit8s SaturateWordSToByteS(Bit16s value)
{
/*
SaturateWordSToByteS converts a signed 16-bit value to a
signed 8-bit value. If the signed 16-bit value is less than -128, it
is represented by the saturated value -128 (0x80). If it is greater
than 127, it is represented by the saturated value 127 (0x7F).
*/
if(value < -128) return -128;
if(value > 127) return 127;
return value;
}
static Bit16s SaturateDwordSToWordS(Bit32s value)
{
/*
SaturateDwordSToWordS converts a signed 32-bit value to a
signed 16-bit value. If the signed 32-bit value is less than -32768,
it is represented by the saturated value -32768 (0x8000). If it is
greater than 32767, it is represented by the saturated value 32767
(0x7FFF).
*/
if(value < -32768) return -32768;
if(value > 32767) return 32767;
return value;
}
static Bit8u SaturateWordSToByteU(Bit16s value)
{
/*
SaturateWordSToByteU converts a signed 16-bit value to an
unsigned 8-bit value. If the signed 16-bit value is less than zero it
is represented by the saturated value zero (0x00).If it is greater
than 255 it is represented by the saturated value 255 (0xFF).
*/
if(value < 0) return 0;
if(value > 255) return 255;
return value;
}
static Bit16u SaturateDwordSToWordU(Bit32s value)
{
/*
SaturateDwordSToWordU converts a signed 32-bit value
to an unsigned 16-bit value. If the signed 32-bit value is less
than zero, it is represented by the saturated value 65535
(0x0000). If it is greater than 65535, it is represented by
the saturated value 65535 (0xFFFF).
*/
if(value < 0) return 0;
if(value > 65535) return 65535;
return value;
}
void BX_CPU_C::PrintMmxRegisters(void)
{
for(int i=0;i<8;i++) {
BxPackedMmxRegister mm = BX_READ_MMX_REG(i);
fprintf(stderr, "MM%d: %.16llx\n", i, MMXUQ(mm));
}
}
void BX_CPU_C::PrepareMmxInstruction(void)
{
MMX_TWD = 0;
MMX_TOS = 0; /* Each time an MMX instruction is */
MMX_SWD &= 0xC7FF; /* executed, the TOS value is set to 000B */
if(BX_CPU_THIS_PTR cr0.em)
exception(BX_UD_EXCEPTION, 0, 0);
if(BX_CPU_THIS_PTR cr0.ts)
exception(BX_NM_EXCEPTION, 0, 0);
}
#endif
/* 0F 60 */
void BX_CPU_C::PUNPCKLBW_PqQd(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), result;
Bit32u op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_32BIT_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_dword(i->seg, i->rm_addr, &op2);
}
MMXUB7(result) = (op2) >> 24;
MMXUB6(result) = MMXUB3(op1);
MMXUB5(result) = (op2 & 0x00FF0000) >> 16;
MMXUB4(result) = MMXUB2(op1);
MMXUB3(result) = (op2 & 0x0000FF00) >> 8;
MMXUB2(result) = MMXUB1(op1);
MMXUB1(result) = (op2 & 0x000000FF);
MMXUB0(result) = MMXUB0(op1);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 61 */
void BX_CPU_C::PUNPCKLWD_PqQd(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), result;
Bit32u op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_32BIT_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_dword(i->seg, i->rm_addr, &op2);
}
MMXUW3(result) = (op2) >> 16;
MMXUW2(result) = MMXUW1(op1);
MMXUW1(result) = (op2 & 0x0000FFFF);
MMXUW0(result) = MMXUW0(op1);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 62 */
void BX_CPU_C::PUNPCKLDQ_PqQd(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn);
Bit32u op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_32BIT_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_dword(i->seg, i->rm_addr, &op2);
}
MMXUD1(op1) = op2;
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 63 */
void BX_CPU_C::PACKSSWB_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXSB0(result) = SaturateWordSToByteS(MMXSW0(op1));
MMXSB1(result) = SaturateWordSToByteS(MMXSW1(op1));
MMXSB2(result) = SaturateWordSToByteS(MMXSW2(op1));
MMXSB3(result) = SaturateWordSToByteS(MMXSW3(op1));
MMXSB4(result) = SaturateWordSToByteS(MMXSW0(op2));
MMXSB5(result) = SaturateWordSToByteS(MMXSW1(op2));
MMXSB6(result) = SaturateWordSToByteS(MMXSW2(op2));
MMXSB7(result) = SaturateWordSToByteS(MMXSW3(op2));
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 64 */
void BX_CPU_C::PCMPGTB_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUB0(result) = (MMXSB0(op1) > MMXSB0(op2)) ? 0xFF : 0;
MMXUB1(result) = (MMXSB1(op1) > MMXSB1(op2)) ? 0xFF : 0;
MMXUB2(result) = (MMXSB2(op1) > MMXSB2(op2)) ? 0xFF : 0;
MMXUB3(result) = (MMXSB3(op1) > MMXSB3(op2)) ? 0xFF : 0;
MMXUB4(result) = (MMXSB4(op1) > MMXSB4(op2)) ? 0xFF : 0;
MMXUB5(result) = (MMXSB5(op1) > MMXSB5(op2)) ? 0xFF : 0;
MMXUB6(result) = (MMXSB6(op1) > MMXSB6(op2)) ? 0xFF : 0;
MMXUB7(result) = (MMXSB7(op1) > MMXSB7(op2)) ? 0xFF : 0;
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 65 */
void BX_CPU_C::PCMPGTW_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUW0(result) = (MMXSW0(op1) > MMXSW0(op2)) ? 0xFFFF : 0;
MMXUW1(result) = (MMXSW1(op1) > MMXSW1(op2)) ? 0xFFFF : 0;
MMXUW2(result) = (MMXSW2(op1) > MMXSW2(op2)) ? 0xFFFF : 0;
MMXUW3(result) = (MMXSW3(op1) > MMXSW3(op2)) ? 0xFFFF : 0;
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 66 */
void BX_CPU_C::PCMPGTD_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUD0(result) = (MMXSD0(op1) > MMXSD0(op2)) ? 0xFFFFFFFF : 0;
MMXUD1(result) = (MMXSD1(op1) > MMXSD1(op2)) ? 0xFFFFFFFF : 0;
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 67 */
void BX_CPU_C::PACKUSWB_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUB0(result) = SaturateWordSToByteU(MMXSW0(op1));
MMXUB1(result) = SaturateWordSToByteU(MMXSW1(op1));
MMXUB2(result) = SaturateWordSToByteU(MMXSW2(op1));
MMXUB3(result) = SaturateWordSToByteU(MMXSW3(op1));
MMXUB4(result) = SaturateWordSToByteU(MMXSW0(op2));
MMXUB5(result) = SaturateWordSToByteU(MMXSW1(op2));
MMXUB6(result) = SaturateWordSToByteU(MMXSW2(op2));
MMXUB7(result) = SaturateWordSToByteU(MMXSW3(op2));
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 68 */
void BX_CPU_C::PUNPCKHBW_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUB7(result) = MMXUB7(op2);
MMXUB6(result) = MMXUB7(op1);
MMXUB5(result) = MMXUB6(op2);
MMXUB4(result) = MMXUB6(op1);
MMXUB3(result) = MMXUB5(op2);
MMXUB2(result) = MMXUB5(op1);
MMXUB1(result) = MMXUB4(op2);
MMXUB0(result) = MMXUB4(op1);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 69 */
void BX_CPU_C::PUNPCKHWD_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUW3(result) = MMXUW3(op2);
MMXUW2(result) = MMXUW3(op1);
MMXUW1(result) = MMXUW2(op2);
MMXUW0(result) = MMXUW2(op1);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 6A */
void BX_CPU_C::PUNPCKHDQ_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUD1(result) = MMXUD1(op2);
MMXUD0(result) = MMXUD1(op1);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 6B */
void BX_CPU_C::PACKSSDW_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXSW0(result) = SaturateDwordSToWordS(MMXSD0(op1));
MMXSW1(result) = SaturateDwordSToWordS(MMXSD1(op1));
MMXSW2(result) = SaturateDwordSToWordS(MMXSD0(op2));
MMXSW3(result) = SaturateDwordSToWordS(MMXSD1(op2));
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 6E */
void BX_CPU_C::MOVD_PqEd(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op;
MMXUD1(op) = 0;
/* op is a register or memory reference */
if (i->mod == 0xc0) {
MMXUD0(op) = BX_READ_32BIT_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_dword(i->seg, i->rm_addr, &(MMXUD0(op)));
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 6F */
void BX_CPU_C::MOVQ_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op;
/* op is a register or memory reference */
if (i->mod == 0xc0) {
op = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op);
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 74 */
void BX_CPU_C::PCMPEQB_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUB0(result) = (MMXUB0(op1) == MMXUB0(op2)) ? 0xFF : 0;
MMXUB1(result) = (MMXUB1(op1) == MMXUB1(op2)) ? 0xFF : 0;
MMXUB2(result) = (MMXUB2(op1) == MMXUB2(op2)) ? 0xFF : 0;
MMXUB3(result) = (MMXUB3(op1) == MMXUB3(op2)) ? 0xFF : 0;
MMXUB4(result) = (MMXUB4(op1) == MMXUB4(op2)) ? 0xFF : 0;
MMXUB5(result) = (MMXUB5(op1) == MMXUB5(op2)) ? 0xFF : 0;
MMXUB6(result) = (MMXUB6(op1) == MMXUB6(op2)) ? 0xFF : 0;
MMXUB7(result) = (MMXUB7(op1) == MMXUB7(op2)) ? 0xFF : 0;
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 75 */
void BX_CPU_C::PCMPEQW_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUW0(result) = (MMXUW0(op1) == MMXUW0(op2)) ? 0xFFFF : 0;
MMXUW1(result) = (MMXUW1(op1) == MMXUW1(op2)) ? 0xFFFF : 0;
MMXUW2(result) = (MMXUW2(op1) == MMXUW2(op2)) ? 0xFFFF : 0;
MMXUW3(result) = (MMXUW3(op1) == MMXUW3(op2)) ? 0xFFFF : 0;
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 76 */
void BX_CPU_C::PCMPEQD_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUD0(result) = (MMXUD0(op1) == MMXUD0(op2)) ? 0xFFFFFFFF : 0;
MMXUD1(result) = (MMXUD1(op1) == MMXUD1(op2)) ? 0xFFFFFFFF : 0;
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 77 */
void BX_CPU_C::EMMS(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
if(BX_CPU_THIS_PTR cr0.em)
exception(BX_UD_EXCEPTION, 0, 0);
if(BX_CPU_THIS_PTR cr0.ts)
exception(BX_NM_EXCEPTION, 0, 0);
MMX_TWD = 0xFFFFFFFF;
MMX_TOS = 0; /* Each time an MMX instruction is */
MMX_SWD &= 0xC7FF; /* executed, the TOS value is set to 000B */
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 7E */
void BX_CPU_C::MOVD_EdPd(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op = BX_READ_MMX_REG(i->nnn);
/* op is a register or memory reference */
if (i->mod == 0xc0) {
BX_WRITE_32BIT_REG(i->rm, MMXUD0(op));
}
else {
write_virtual_dword(i->seg, i->rm_addr, &(MMXUD0(op)));
}
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 7F */
void BX_CPU_C::MOVQ_QqPq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op = BX_READ_MMX_REG(i->nnn);
/* op is a register or memory reference */
if (i->mod == 0xc0) {
BX_WRITE_MMX_REG(i->rm, op);
}
else {
write_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op);
}
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F D1 */
void BX_CPU_C::PSRLW_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
if(MMXUQ(op2) > 15) MMXUQ(op1) = 0;
else
{
Bit8u shift = MMXUB0(op2);
MMXUW0(op1) >>= shift;
MMXUW1(op1) >>= shift;
MMXUW2(op1) >>= shift;
MMXUW3(op1) >>= shift;
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F D2 */
void BX_CPU_C::PSRLD_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
if(MMXUQ(op2) > 31) MMXUQ(op1) = 0;
else
{
Bit8u shift = MMXUB0(op2);
MMXUD0(op1) >>= shift;
MMXUD1(op1) >>= shift;
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F D3 */
void BX_CPU_C::PSRLQ_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
if(MMXUQ(op2) > 63) {
MMXUQ(op1) = 0;
}
else {
MMXUQ(op1) >>= MMXUB0(op2);
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F D5 */
void BX_CPU_C::PMULLW_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
Bit32u product1 = (Bit32u)(MMXUW0(op1)) * (Bit32u)(MMXUW0(op2));
Bit32u product2 = (Bit32u)(MMXUW1(op1)) * (Bit32u)(MMXUW1(op2));
Bit32u product3 = (Bit32u)(MMXUW2(op1)) * (Bit32u)(MMXUW2(op2));
Bit32u product4 = (Bit32u)(MMXUW3(op1)) * (Bit32u)(MMXUW3(op2));
MMXUW0(result) = (Bit16u)(product1 & 0xFFFF);
MMXUW1(result) = (Bit16u)(product2 & 0xFFFF);
MMXUW2(result) = (Bit16u)(product3 & 0xFFFF);
MMXUW3(result) = (Bit16u)(product4 & 0xFFFF);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F D8 */
void BX_CPU_C::PSUBUSB_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUQ(result) = 0;
if(MMXUB0(op1) > MMXUB0(op2)) MMXUB0(result) = MMXUB0(op1) - MMXUB0(op2);
if(MMXUB1(op1) > MMXUB1(op2)) MMXUB1(result) = MMXUB1(op1) - MMXUB1(op2);
if(MMXUB2(op1) > MMXUB2(op2)) MMXUB2(result) = MMXUB2(op1) - MMXUB2(op2);
if(MMXUB3(op1) > MMXUB3(op2)) MMXUB3(result) = MMXUB3(op1) - MMXUB3(op2);
if(MMXUB4(op1) > MMXUB4(op2)) MMXUB4(result) = MMXUB4(op1) - MMXUB4(op2);
if(MMXUB5(op1) > MMXUB5(op2)) MMXUB5(result) = MMXUB5(op1) - MMXUB5(op2);
if(MMXUB6(op1) > MMXUB6(op2)) MMXUB6(result) = MMXUB6(op1) - MMXUB6(op2);
if(MMXUB7(op1) > MMXUB7(op2)) MMXUB7(result) = MMXUB7(op1) - MMXUB7(op2);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F D9 */
void BX_CPU_C::PSUBUSW_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUQ(result) = 0;
if(MMXUW0(op1) > MMXUW0(op2)) MMXUW0(result) = MMXUW0(op1) - MMXUW0(op2);
if(MMXUW1(op1) > MMXUW1(op2)) MMXUW1(result) = MMXUW1(op1) - MMXUW1(op2);
if(MMXUW2(op1) > MMXUW2(op2)) MMXUW2(result) = MMXUW2(op1) - MMXUW2(op2);
if(MMXUW3(op1) > MMXUW3(op2)) MMXUW3(result) = MMXUW3(op1) - MMXUW3(op2);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F DB */
void BX_CPU_C::PAND_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUQ(op1) &= MMXUQ(op2);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F DC */
void BX_CPU_C::PADDUSB_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUB0(result) = SaturateWordSToByteU(Bit16s(MMXUB0(op1)) + Bit16s(MMXUB0(op2)));
MMXUB1(result) = SaturateWordSToByteU(Bit16s(MMXUB1(op1)) + Bit16s(MMXUB1(op2)));
MMXUB2(result) = SaturateWordSToByteU(Bit16s(MMXUB2(op1)) + Bit16s(MMXUB2(op2)));
MMXUB3(result) = SaturateWordSToByteU(Bit16s(MMXUB3(op1)) + Bit16s(MMXUB3(op2)));
MMXUB4(result) = SaturateWordSToByteU(Bit16s(MMXUB4(op1)) + Bit16s(MMXUB4(op2)));
MMXUB5(result) = SaturateWordSToByteU(Bit16s(MMXUB5(op1)) + Bit16s(MMXUB5(op2)));
MMXUB6(result) = SaturateWordSToByteU(Bit16s(MMXUB6(op1)) + Bit16s(MMXUB6(op2)));
MMXUB7(result) = SaturateWordSToByteU(Bit16s(MMXUB7(op1)) + Bit16s(MMXUB7(op2)));
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F DD */
void BX_CPU_C::PADDUSW_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUW0(result) = SaturateDwordSToWordU(Bit32s(MMXUW0(op1)) + Bit32s(MMXUW0(op2)));
MMXUW1(result) = SaturateDwordSToWordU(Bit32s(MMXUW1(op1)) + Bit32s(MMXUW1(op2)));
MMXUW2(result) = SaturateDwordSToWordU(Bit32s(MMXUW2(op1)) + Bit32s(MMXUW2(op2)));
MMXUW3(result) = SaturateDwordSToWordU(Bit32s(MMXUW3(op1)) + Bit32s(MMXUW3(op2)));
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F DF */
void BX_CPU_C::PANDN_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUQ(result) = ~(MMXUQ(op1)) & MMXUQ(op2);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F E1 */
void BX_CPU_C::PSRAW_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
Bit8u shift = MMXUB0(op2);
if(MMXUQ(op2) > 15) {
MMXUW0(result) = (MMXUW0(op1) & 0x8000) ? 0xFFFF : 0;
MMXUW1(result) = (MMXUW1(op1) & 0x8000) ? 0xFFFF : 0;
MMXUW2(result) = (MMXUW2(op1) & 0x8000) ? 0xFFFF : 0;
MMXUW3(result) = (MMXUW3(op1) & 0x8000) ? 0xFFFF : 0;
}
else {
MMXUW0(result) = MMXUW0(op1) >> shift;
MMXUW1(result) = MMXUW1(op1) >> shift;
MMXUW2(result) = MMXUW2(op1) >> shift;
MMXUW3(result) = MMXUW3(op1) >> shift;
if(MMXUW0(op1) & 0x8000) MMXUW0(result) |= (0xFFFF << (16 - shift));
if(MMXUW1(op1) & 0x8000) MMXUW1(result) |= (0xFFFF << (16 - shift));
if(MMXUW2(op1) & 0x8000) MMXUW2(result) |= (0xFFFF << (16 - shift));
if(MMXUW3(op1) & 0x8000) MMXUW3(result) |= (0xFFFF << (16 - shift));
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F E2 */
void BX_CPU_C::PSRAD_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
Bit8u shift = MMXUB0(op2);
if(MMXUQ(op2) > 31) {
MMXUD0(result) = (MMXUD0(op1) & 0x80000000) ? 0xFFFFFFFF : 0;
MMXUD1(result) = (MMXUD1(op1) & 0x80000000) ? 0xFFFFFFFF : 0;
}
else {
MMXUD0(result) = MMXUD0(op1) >> shift;
MMXUD1(result) = MMXUD1(op1) >> shift;
if(MMXUD0(op1) & 0x80000000) MMXUD0(result) |= (0xFFFFFFFF << (32 - shift));
if(MMXUD1(op1) & 0x80000000) MMXUD1(result) |= (0xFFFFFFFF << (32 - shift));
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F E5 */
void BX_CPU_C::PMULHW_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
Bit32s product1 = (Bit32s)(MMXSW0(op1)) * (Bit32s)(MMXSW0(op2));
Bit32s product2 = (Bit32s)(MMXSW1(op1)) * (Bit32s)(MMXSW1(op2));
Bit32s product3 = (Bit32s)(MMXSW2(op1)) * (Bit32s)(MMXSW2(op2));
Bit32s product4 = (Bit32s)(MMXSW3(op1)) * (Bit32s)(MMXSW3(op2));
MMXUW0(result) = (Bit16u)(product1 >> 16);
MMXUW1(result) = (Bit16u)(product2 >> 16);
MMXUW2(result) = (Bit16u)(product3 >> 16);
MMXUW3(result) = (Bit16u)(product4 >> 16);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F E8 */
void BX_CPU_C::PSUBSB_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXSB0(result) = SaturateWordSToByteS(Bit16s(MMXSB0(op1)) - Bit16s(MMXSB0(op2)));
MMXSB1(result) = SaturateWordSToByteS(Bit16s(MMXSB1(op1)) - Bit16s(MMXSB1(op2)));
MMXSB2(result) = SaturateWordSToByteS(Bit16s(MMXSB2(op1)) - Bit16s(MMXSB2(op2)));
MMXSB3(result) = SaturateWordSToByteS(Bit16s(MMXSB3(op1)) - Bit16s(MMXSB3(op2)));
MMXSB4(result) = SaturateWordSToByteS(Bit16s(MMXSB4(op1)) - Bit16s(MMXSB4(op2)));
MMXSB5(result) = SaturateWordSToByteS(Bit16s(MMXSB5(op1)) - Bit16s(MMXSB5(op2)));
MMXSB6(result) = SaturateWordSToByteS(Bit16s(MMXSB6(op1)) - Bit16s(MMXSB6(op2)));
MMXSB7(result) = SaturateWordSToByteS(Bit16s(MMXSB7(op1)) - Bit16s(MMXSB7(op2)));
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F E9 */
void BX_CPU_C::PSUBSW_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXSW0(result) = SaturateDwordSToWordS(Bit32s(MMXSW0(op1)) - Bit32s(MMXSW0(op2)));
MMXSW1(result) = SaturateDwordSToWordS(Bit32s(MMXSW1(op1)) - Bit32s(MMXSW1(op2)));
MMXSW2(result) = SaturateDwordSToWordS(Bit32s(MMXSW2(op1)) - Bit32s(MMXSW2(op2)));
MMXSW3(result) = SaturateDwordSToWordS(Bit32s(MMXSW3(op1)) - Bit32s(MMXSW3(op2)));
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F EB */
void BX_CPU_C::POR_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUQ(op1) |= MMXUQ(op2);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F EC */
void BX_CPU_C::PADDSB_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXSB0(result) = SaturateWordSToByteS(Bit16s(MMXSB0(op1)) + Bit16s(MMXSB0(op2)));
MMXSB1(result) = SaturateWordSToByteS(Bit16s(MMXSB1(op1)) + Bit16s(MMXSB1(op2)));
MMXSB2(result) = SaturateWordSToByteS(Bit16s(MMXSB2(op1)) + Bit16s(MMXSB2(op2)));
MMXSB3(result) = SaturateWordSToByteS(Bit16s(MMXSB3(op1)) + Bit16s(MMXSB3(op2)));
MMXSB4(result) = SaturateWordSToByteS(Bit16s(MMXSB4(op1)) + Bit16s(MMXSB4(op2)));
MMXSB5(result) = SaturateWordSToByteS(Bit16s(MMXSB5(op1)) + Bit16s(MMXSB5(op2)));
MMXSB6(result) = SaturateWordSToByteS(Bit16s(MMXSB6(op1)) + Bit16s(MMXSB6(op2)));
MMXSB7(result) = SaturateWordSToByteS(Bit16s(MMXSB7(op1)) + Bit16s(MMXSB7(op2)));
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F ED */
void BX_CPU_C::PADDSW_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXSW0(result) = SaturateDwordSToWordS(Bit32s(MMXSW0(op1)) + Bit32s(MMXSW0(op2)));
MMXSW1(result) = SaturateDwordSToWordS(Bit32s(MMXSW1(op1)) + Bit32s(MMXSW1(op2)));
MMXSW2(result) = SaturateDwordSToWordS(Bit32s(MMXSW2(op1)) + Bit32s(MMXSW2(op2)));
MMXSW3(result) = SaturateDwordSToWordS(Bit32s(MMXSW3(op1)) + Bit32s(MMXSW3(op2)));
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F EF */
void BX_CPU_C::PXOR_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUQ(op1) ^= MMXUQ(op2);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F F1 */
void BX_CPU_C::PSLLW_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
if(MMXUQ(op2) > 15) MMXUQ(op1) = 0;
else
{
Bit8u shift = MMXUB0(op2);
MMXUW0(op1) <<= shift;
MMXUW1(op1) <<= shift;
MMXUW2(op1) <<= shift;
MMXUW3(op1) <<= shift;
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F F2 */
void BX_CPU_C::PSLLD_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
if(MMXUQ(op2) > 31) MMXUQ(op1) = 0;
else
{
Bit8u shift = MMXUB0(op2);
MMXUD0(op1) <<= shift;
MMXUD1(op1) <<= shift;
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F F3 */
void BX_CPU_C::PSLLQ_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
if(MMXUQ(op2) > 63) {
MMXUQ(op1) = 0;
}
else {
MMXUQ(op1) <<= MMXUB0(op2);
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F F5 */
void BX_CPU_C::PMADDWD_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2, result;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
if(MMXUW0(op1) == 0x80008000 && MMXUW0(op2) == 0x80008000) {
MMXUD0(result) = 0x80000000;
}
else {
MMXUD0(result) = Bit32s(MMXSW0(op1))*Bit32s(MMXSW0(op2)) + Bit32s(MMXSW1(op1))*Bit32s(MMXSW1(op2));
}
if(MMXUW2(op1) == 0x80008000 && MMXUW2(op2) == 0x80008000) {
MMXUD1(result) = 0x80000000;
}
else {
MMXUD1(result) = Bit32s(MMXSW2(op1))*Bit32s(MMXSW2(op2)) + Bit32s(MMXSW3(op1))*Bit32s(MMXSW3(op2));
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F F8 */
void BX_CPU_C::PSUBB_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUB0(op1) -= MMXUB0(op2);
MMXUB1(op1) -= MMXUB1(op2);
MMXUB2(op1) -= MMXUB2(op2);
MMXUB3(op1) -= MMXUB3(op2);
MMXUB4(op1) -= MMXUB4(op2);
MMXUB5(op1) -= MMXUB5(op2);
MMXUB6(op1) -= MMXUB6(op2);
MMXUB7(op1) -= MMXUB7(op2);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F F9 */
void BX_CPU_C::PSUBW_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUW0(op1) -= MMXUW0(op2);
MMXUW1(op1) -= MMXUW1(op2);
MMXUW2(op1) -= MMXUW2(op2);
MMXUW3(op1) -= MMXUW3(op2);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F FA */
void BX_CPU_C::PSUBD_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUD0(op1) -= MMXUD0(op2);
MMXUD1(op1) -= MMXUD1(op2);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F FC */
void BX_CPU_C::PADDB_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUB0(op1) += MMXUB0(op2);
MMXUB1(op1) += MMXUB1(op2);
MMXUB2(op1) += MMXUB2(op2);
MMXUB3(op1) += MMXUB3(op2);
MMXUB4(op1) += MMXUB4(op2);
MMXUB5(op1) += MMXUB5(op2);
MMXUB6(op1) += MMXUB6(op2);
MMXUB7(op1) += MMXUB7(op2);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F FD */
void BX_CPU_C::PADDW_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUW0(op1) += MMXUW0(op2);
MMXUW1(op1) += MMXUW1(op2);
MMXUW2(op1) += MMXUW2(op2);
MMXUW3(op1) += MMXUW3(op2);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F FE */
void BX_CPU_C::PADDD_PqQq(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->nnn), op2;
/* op2 is a register or memory reference */
if (i->mod == 0xc0) {
op2 = BX_READ_MMX_REG(i->rm);
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg, i->rm_addr, (Bit64u *) &op2);
}
MMXUD0(op1) += MMXUD0(op2);
MMXUD1(op1) += MMXUD1(op2);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 71 GrpA 010 */
void BX_CPU_C::PSRLW_PqIb(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->rm);
Bit8u shift = i->Ib;
if(shift > 15) MMXUQ(op1) = 0;
else
{
MMXUW0(op1) >>= shift;
MMXUW1(op1) >>= shift;
MMXUW2(op1) >>= shift;
MMXUW3(op1) >>= shift;
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->rm, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 71 GrpA 100 */
void BX_CPU_C::PSRAW_PqIb(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->rm), result;
Bit8u shift = i->Ib;
if(shift > 15) {
MMXUW0(result) = (MMXUW0(op1) & 0x8000) ? 0xFFFF : 0;
MMXUW1(result) = (MMXUW1(op1) & 0x8000) ? 0xFFFF : 0;
MMXUW2(result) = (MMXUW2(op1) & 0x8000) ? 0xFFFF : 0;
MMXUW3(result) = (MMXUW3(op1) & 0x8000) ? 0xFFFF : 0;
}
else {
MMXUW0(result) = MMXUW0(op1) >> shift;
MMXUW1(result) = MMXUW1(op1) >> shift;
MMXUW2(result) = MMXUW2(op1) >> shift;
MMXUW3(result) = MMXUW3(op1) >> shift;
if(MMXUW0(op1) & 0x8000) MMXUW0(result) |= (0xFFFF << (16 - shift));
if(MMXUW1(op1) & 0x8000) MMXUW1(result) |= (0xFFFF << (16 - shift));
if(MMXUW2(op1) & 0x8000) MMXUW2(result) |= (0xFFFF << (16 - shift));
if(MMXUW3(op1) & 0x8000) MMXUW3(result) |= (0xFFFF << (16 - shift));
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->rm, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 71 GrpA 110 */
void BX_CPU_C::PSLLW_PqIb(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->rm);
Bit8u shift = i->Ib;
if(shift > 15) MMXUQ(op1) = 0;
else
{
MMXUW0(op1) <<= shift;
MMXUW1(op1) <<= shift;
MMXUW2(op1) <<= shift;
MMXUW3(op1) <<= shift;
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->rm, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 72 GrpA 010 */
void BX_CPU_C::PSRLD_PqIb(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->rm);
Bit8u shift = i->Ib;
if(shift > 31) MMXUQ(op1) = 0;
else
{
MMXUD0(op1) <<= shift;
MMXUD1(op1) <<= shift;
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->rm, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 72 GrpA 100 */
void BX_CPU_C::PSRAD_PqIb(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->rm), result;
Bit8u shift = i->Ib;
if(shift > 31) {
MMXUD0(result) = (MMXUD0(op1) & 0x80000000) ? 0xFFFFFFFF : 0;
MMXUD1(result) = (MMXUD1(op1) & 0x80000000) ? 0xFFFFFFFF : 0;
}
else {
MMXUD0(result) = MMXUD0(op1) >> shift;
MMXUD1(result) = MMXUD1(op1) >> shift;
if(MMXUD0(op1) & 0x80000000) MMXUD0(result) |= (0xFFFFFFFF << (32 - shift));
if(MMXUD1(op1) & 0x80000000) MMXUD1(result) |= (0xFFFFFFFF << (32 - shift));
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->rm, result);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 72 GrpA 110 */
void BX_CPU_C::PSLLD_PqIb(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->rm);
Bit8u shift = i->Ib;
if(shift > 31) MMXUQ(op1) = 0;
else
{
MMXUD0(op1) <<= shift;
MMXUD1(op1) <<= shift;
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->rm, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 73 GrpA 010 */
void BX_CPU_C::PSRLQ_PqIb(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->rm);
Bit8u shift = i->Ib;
if(shift > 63) {
MMXUQ(op1) = 0;
}
else {
MMXUQ(op1) >>= shift;
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->rm, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
/* 0F 73 GrpA 110 */
void BX_CPU_C::PSLLQ_PqIb(BxInstruction_t *i)
{
#if BX_SUPPORT_MMX
BX_CPU_THIS_PTR PrepareMmxInstruction();
BxPackedMmxRegister op1 = BX_READ_MMX_REG(i->rm);
Bit8u shift = i->Ib;
if(shift > 63) {
MMXUQ(op1) = 0;
}
else {
MMXUQ(op1) <<= shift;
}
/* now write result back to destination */
BX_WRITE_MMX_REG(i->rm, op1);
#else
BX_INFO(("MMX Instructions Set Not Implemented"));
UndefinedOpcode(i);
#endif
}
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