+++ /dev/null
-/*
- * ix86 core v0.6.2
- * Authors: linuzappz <linuzappz@pcsx.net>
- * alexey silinov
- * goldfinger
- * zerofrog(@gmail.com)
- */
-
-// stop compiling if NORECBUILD build (only for Visual Studio)
-#if !(defined(_MSC_VER) && defined(PCSX2_NORECBUILD))
-
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-#include "ix86-64.h"
-
-#ifdef __x86_64__
-
-#ifdef _MSC_VER
-// visual studio calling convention
-x86IntRegType g_x86savedregs[] = { RBX, RBP, RSI, RDI, R12, R13, R14, R15 };
-x86IntRegType g_x86tempregs[] = { R8, R9, R10, R11, RDX, RCX };
-
-// arranged in savedreg -> tempreg order
-x86IntRegType g_x86allregs[14] = { RBX, RBP, RSI, RDI, R12, R13, R14, R15, R8, R9, R10, R11, RDX, RCX };
-
-#else
-// standard calling convention
-
-// registers saved by called functions (no need to flush them across calls)
-x86IntRegType g_x86savedregs[] = { RBX, RBP, R12, R13, R14, R15 };
-// temp registers that need to be saved across calls
-x86IntRegType g_x86tempregs[] = { RCX, RDX, R8, R9, R10, R11, RSI, RDI };
-
-// arranged in savedreg -> tempreg order
-x86IntRegType g_x86allregs[14] = { RBX, RBP, R12, R13, R14, R15, RCX, RDX, R8, R9, R10, R11, RSI, RDI };
-
-#endif
-
-x86IntRegType g_x868bitregs[11] = { RBX, R12, R13, R14, R15, RCX, RDX, R8, R9, R10, R11 };
-x86IntRegType g_x86non8bitregs[3] = { RBP, RSI, RDI };
-
-#endif // __x86_64__
-
-s8 *x86Ptr;
-u8 *j8Ptr[32];
-u32 *j32Ptr[32];
-
-void WriteRmOffset(x86IntRegType to, int offset)
-{
- if( (to&7) == ESP ) {
- if( offset == 0 ) {
- ModRM( 0, 0, 4 );
- ModRM( 0, ESP, 4 );
- }
- else if( offset < 128 && offset >= -128 ) {
- ModRM( 1, 0, 4 );
- ModRM( 0, ESP, 4 );
- write8(offset);
- }
- else {
- ModRM( 2, 0, 4 );
- ModRM( 0, ESP, 4 );
- write32(offset);
- }
- }
- else {
- if( offset == 0 ) {
- ModRM( 0, 0, to );
- }
- else if( offset < 128 && offset >= -128 ) {
- ModRM( 1, 0, to );
- write8(offset);
- }
- else {
- ModRM( 2, 0, to );
- write32(offset);
- }
- }
-}
-
-void WriteRmOffsetFrom(x86IntRegType to, x86IntRegType from, int offset)
-{
- if ((from&7) == ESP) {
- if( offset == 0 ) {
- ModRM( 0, to, 0x4 );
- SibSB( 0, 0x4, 0x4 );
- }
- else if( offset < 128 && offset >= -128 ) {
- ModRM( 1, to, 0x4 );
- SibSB( 0, 0x4, 0x4 );
- write8(offset);
- }
- else {
- ModRM( 2, to, 0x4 );
- SibSB( 0, 0x4, 0x4 );
- write32(offset);
- }
- }
- else {
- if( offset == 0 ) {
- ModRM( 0, to, from );
- }
- else if( offset < 128 && offset >= -128 ) {
- ModRM( 1, to, from );
- write8(offset);
- }
- else {
- ModRM( 2, to, from );
- write32(offset);
- }
- }
-}
-
-// This function is just for rec debugging purposes
-void CheckX86Ptr( void )
-{
-}
-
-void writeVAROP(unsigned opl, u64 op)
-{
- while (opl--)
- {
- write8(op & 0xFF);
- op >>= 8;
- }
-}
-
-#define writeVARROP(REX, opl, op) ({ \
- if (opl > 1 && ((op & 0xFF) == 0x66 || (op & 0xFF) == 0xF3 || (op & 0xFF) == 0xF2)) { \
- write8(op & 0xFF); \
- opl --; \
- op >>= 8; \
- } \
- REX; \
- writeVAROP(opl, op); \
- })
-
-void MEMADDR_OP(bool w, unsigned opl, u64 op, bool isreg, int reg, uptr p, sptr off)
-{
-#ifdef __x86_64__
- sptr pr = MEMADDR_(p, 5 + opl + (w || reg >= 8) + off);
- if (SPTR32(pr))
- {
- writeVARROP(RexR(w, reg), opl, op);
- ModRM(0, reg, DISP32);
- write32(pr);
- }
- else if (UPTR32(p))
- {
- writeVARROP(RexR(w, reg), opl, op);
- ModRM(0, reg, SIB);
- SibSB(0, SIB, DISP32);
- write32(p);
- }
- else
- {
- assert(!isreg || reg != X86_TEMP);
- MOV64ItoR(X86_TEMP, p);
- writeVARROP(RexRB(w, reg, X86_TEMP), opl, op);
- ModRM(0, reg, X86_TEMP);
- }
-#else
- writeVARROP(RexR(w, reg), opl, op);
- ModRM(0, reg, DISP32);
- write32(p);
-#endif
-}
-
-void SET8R( int cc, int to )
-{
- RexB(0, to);
- write8( 0x0F );
- write8( cc );
- write8( 0xC0 | ( to ) );
-}
-
-u8* J8Rel( int cc, int to )
-{
- write8( cc );
- write8( to );
- return x86Ptr - 1;
-}
-
-u16* J16Rel( int cc, u32 to )
-{
- write16( 0x0F66 );
- write8( cc );
- write16( to );
- return (u16*)( x86Ptr - 2 );
-}
-
-u32* J32Rel( int cc, u32 to )
-{
- write8( 0x0F );
- write8( cc );
- write32( to );
- return (u32*)( x86Ptr - 4 );
-}
-
-void CMOV32RtoR( int cc, int to, int from )
-{
- RexRB(0,to, from);
- write8( 0x0F );
- write8( cc );
- ModRM( 3, to, from );
-}
-
-void CMOV32MtoR( int cc, x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP2(0x0F, cc), true, to, from, 0);
-}
-
-////////////////////////////////////////////////////
-void x86SetPtr( char* ptr )
-{
- x86Ptr = ptr;
-}
-
-////////////////////////////////////////////////////
-void x86Shutdown( void )
-{
-}
-
-////////////////////////////////////////////////////
-void x86SetJ8( u8* j8 )
-{
- u32 jump = ( x86Ptr - (s8*)j8 ) - 1;
-
- if ( jump > 0x7f ) {
- assert(0);
- SysPrintf( "j8 greater than 0x7f!!\n" );
- }
- *j8 = (u8)jump;
-}
-
-void x86SetJ8A( u8* j8 )
-{
- u32 jump = ( x86Ptr - (s8*)j8 ) - 1;
-
- if ( jump > 0x7f ) {
- assert(0);
- SysPrintf( "j8 greater than 0x7f!!\n" );
- }
-
- if( ((uptr)x86Ptr&0xf) > 4 ) {
-
- uptr newjump = jump + 16-((uptr)x86Ptr&0xf);
-
- if( newjump <= 0x7f ) {
- jump = newjump;
- while((uptr)x86Ptr&0xf) *x86Ptr++ = 0x90;
- }
- }
- *j8 = (u8)jump;
-}
-
-void x86SetJ16( u16 *j16 )
-{
- // doesn't work
- u32 jump = ( x86Ptr - (s8*)j16 ) - 2;
-
- if ( jump > 0x7fff ) {
- assert(0);
- SysPrintf( "j16 greater than 0x7fff!!\n" );
- }
- *j16 = (u16)jump;
-}
-
-void x86SetJ16A( u16 *j16 )
-{
- if( ((uptr)x86Ptr&0xf) > 4 ) {
- while((uptr)x86Ptr&0xf) *x86Ptr++ = 0x90;
- }
- x86SetJ16(j16);
-}
-
-////////////////////////////////////////////////////
-void x86SetJ32( u32* j32 )
-{
- *j32 = ( x86Ptr - (s8*)j32 ) - 4;
-}
-
-void x86SetJ32A( u32* j32 )
-{
- while((uptr)x86Ptr&0xf) *x86Ptr++ = 0x90;
- x86SetJ32(j32);
-}
-
-////////////////////////////////////////////////////
-void x86Align( int bytes )
-{
- // fordward align
- x86Ptr = (s8*)( ( (uptr)x86Ptr + bytes - 1) & ~( bytes - 1 ) );
-}
-
-/********************/
-/* IX86 intructions */
-/********************/
-
-void STC( void )
-{
- write8( 0xF9 );
-}
-
-void CLC( void )
-{
- write8( 0xF8 );
-}
-
-////////////////////////////////////
-// mov instructions /
-////////////////////////////////////
-
-/* mov r64 to r64 */
-void MOV64RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(1, from, to);
- write8( 0x89 );
- ModRM( 3, from, to );
-}
-
-/* mov r64 to m64 */
-void MOV64RtoM( uptr to, x86IntRegType from )
-{
- if (from == RAX)
- {
- RexR(1, 0);
- write8(0xA3);
- write64(to);
- }
- else
- {
- MEMADDR_OP(1, VAROP1(0x89), true, from, to, 0);
- }
-}
-
-/* mov m64 to r64 */
-void MOV64MtoR( x86IntRegType to, uptr from )
-{
- if (to == RAX)
- {
- RexR(1, 0);
- write8(0xA1);
- write64(from);
- }
- else
- {
- MEMADDR_OP(1, VAROP1(0x8B), true, to, from, 0);
- }
-}
-
-/* mov imm32 to m64 */
-void MOV64I32toM(uptr to, u32 from )
-{
- MEMADDR_OP(1, VAROP1(0xC7), false, 0, to, 4);
- write32(from);
-}
-
-// mov imm64 to r64
-void MOV64ItoR( x86IntRegType to, u64 from)
-{
- RexB(1, to);
- write8( 0xB8 | (to & 0x7) );
- write64( from );
-}
-
-/* mov imm32 to r64 */
-void MOV64I32toR( x86IntRegType to, s32 from )
-{
- RexB(1, to);
- write8( 0xC7 );
- ModRM( 0, 0, to );
- write32( from );
-}
-
-// mov imm64 to [r64+off]
-void MOV64ItoRmOffset( x86IntRegType to, u32 from, int offset)
-{
- RexB(1,to);
- write8( 0xC7 );
- WriteRmOffset(to, offset);
- write32(from);
-}
-
-// mov [r64+offset] to r64
-void MOV64RmOffsettoR( x86IntRegType to, x86IntRegType from, int offset )
-{
- RexRB(1, to, from);
- write8( 0x8B );
- WriteRmOffsetFrom(to, from, offset);
-}
-
-/* mov [r64][r64*scale] to r64 */
-void MOV64RmStoR( x86IntRegType to, x86IntRegType from, x86IntRegType from2, int scale) {
- RexRXB(1, to, from2, from);
- write8( 0x8B );
- ModRM( 0, to, 0x4 );
- SibSB(scale, from2, from );
-}
-
-/* mov r64 to [r64+offset] */
-void MOV64RtoRmOffset( x86IntRegType to, x86IntRegType from, int offset )
-{
- RexRB(1,from,to);
- write8( 0x89 );
- WriteRmOffsetFrom(from, to, offset);
-}
-
-/* mov r64 to [r64][r64*scale] */
-void MOV64RtoRmS( x86IntRegType to, x86IntRegType from, x86IntRegType from2, int scale) {
- RexRXB(1, to, from2, from);
- write8( 0x89 );
- ModRM( 0, to, 0x4 );
- SibSB(scale, from2, from );
-}
-
-
-/* mov r32 to r32 */
-void MOV32RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0, from, to);
- write8( 0x89 );
- ModRM( 3, from, to );
-}
-
-/* mov r32 to m32 */
-void MOV32RtoM( uptr to, x86IntRegType from )
-{
- if (from == EAX)
- {
- write8(0xA3);
- write64(to);
- }
- else
- {
- MEMADDR_OP(0, VAROP1(0x89), true, from, to, 0);
- }
-}
-
-/* mov m32 to r32 */
-void MOV32MtoR( x86IntRegType to, uptr from )
-{
- if (to == RAX)
- {
- write8(0xA1);
- write64(from);
- }
- else
- {
- MEMADDR_OP(0, VAROP1(0x8B), true, to, from, 0);
- }
-}
-
-/* mov [r32] to r32 */
-void MOV32RmtoR( x86IntRegType to, x86IntRegType from ) {
- RexRB(0, to, from);
- write8(0x8B);
- WriteRmOffsetFrom(to, from, 0);
-}
-
-void MOV32RmtoROffset( x86IntRegType to, x86IntRegType from, int offset ) {
- RexRB(0, to, from);
- write8( 0x8B );
- WriteRmOffsetFrom(to, from, offset);
-}
-
-/* mov [r32+r32*scale] to r32 */
-void MOV32RmStoR( x86IntRegType to, x86IntRegType from, x86IntRegType from2, int scale) {
- RexRXB(0,to,from2,from);
- write8( 0x8B );
- ModRM( 0, to, 0x4 );
- SibSB(scale, from2, from );
-}
-
-// mov r32 to [r32<<scale+from2]
-void MOV32RmSOffsettoR( x86IntRegType to, x86IntRegType from1, int from2, int scale )
-{
- RexRXB(0,to,from1,0);
- write8( 0x8B );
- ModRM( 0, to, 0x4 );
- ModRM( scale, from1, 5);
- write32(from2);
-}
-
-/* mov r32 to [r32] */
-void MOV32RtoRm( x86IntRegType to, x86IntRegType from ) {
- RexRB(0, from, to);
- if ((to&7) == ESP) {
- write8( 0x89 );
- ModRM( 0, from, 0x4 );
- SibSB( 0, 0x4, 0x4 );
- } else {
- write8( 0x89 );
- ModRM( 0, from, to );
- }
-}
-
-/* mov r32 to [r32][r32*scale] */
-void MOV32RtoRmS( x86IntRegType to, x86IntRegType from, x86IntRegType from2, int scale) {
- RexRXB(0, to, from2, from);
- write8( 0x89 );
- ModRM( 0, to, 0x4 );
- SibSB(scale, from2, from );
-}
-
-/* mov imm32 to r32 */
-void MOV32ItoR( x86IntRegType to, u32 from )
-{
- RexB(0, to);
- write8( 0xB8 | (to & 0x7) );
- write32( from );
-}
-
-/* mov imm32 to m32 */
-void MOV32ItoM(uptr to, u32 from )
-{
- MEMADDR_OP(0, VAROP1(0xC7), false, 0, to, 4);
- write32(from);
-}
-
-// mov imm32 to [r32+off]
-void MOV32ItoRmOffset( x86IntRegType to, u32 from, int offset)
-{
- RexB(0,to);
- write8( 0xC7 );
- WriteRmOffset(to, offset);
- write32(from);
-}
-
-// mov r32 to [r32+off]
-void MOV32RtoRmOffset( x86IntRegType to, x86IntRegType from, int offset)
-{
- RexRB(0,from,to);
- write8( 0x89 );
- WriteRmOffsetFrom(from, to, offset);
-}
-
-/* mov r16 to m16 */
-void MOV16RtoM(uptr to, x86IntRegType from )
-{
- if (from == EAX)
- {
- write8(0x66);
- write8(0xA3);
- write64(to);
- }
- else
- {
- MEMADDR_OP(0, VAROP2(0x66, 0x89), true, from, to, 0);
- }
-}
-
-/* mov m16 to r16 */
-void MOV16MtoR( x86IntRegType to, uptr from )
-{
- if (to == EAX)
- {
- write8(0x66);
- write8(0xA1);
- write64(from);
- }
- else
- {
- MEMADDR_OP(0, VAROP2(0x66, 0x8B), true, to, from, 0);
- }
-}
-
-void MOV16RmtoR( x86IntRegType to, x86IntRegType from)
-{
- write8( 0x66 );
- RexRB(0,to,from);
- write8( 0x8B );
- WriteRmOffsetFrom(to, from, 0);
-}
-
-void MOV16RmtoROffset( x86IntRegType to, x86IntRegType from, int offset )
-{
- write8( 0x66 );
- RexRB(0,to,from);
- write8( 0x8B );
- WriteRmOffsetFrom(to, from, offset);
-}
-
-void MOV16RmSOffsettoR( x86IntRegType to, x86IntRegType from1, u32 from2, int scale )
-{
- write8(0x66);
- RexRXB(0,to,from1,0);
- write8( 0x8B );
- ModRM( 0, to, 0x4 );
- ModRM( scale, from1, 5);
- write32(from2);
-}
-
-void MOV16RtoRm(x86IntRegType to, x86IntRegType from)
-{
- write8( 0x66 );
- RexRB(0,from,to);
- write8( 0x89 );
- ModRM( 0, from, to );
-}
-
-/* mov imm16 to m16 */
-void MOV16ItoM( uptr to, u16 from )
-{
- MEMADDR_OP(0, VAROP2(0x66, 0xC7), false, 0, to, 2);
- write16( from );
-}
-
-/* mov r16 to [r32][r32*scale] */
-void MOV16RtoRmS( x86IntRegType to, x86IntRegType from, x86IntRegType from2, int scale) {
- write8( 0x66 );
- RexRXB(0,to,from2,from);
- write8( 0x89 );
- ModRM( 0, to, 0x4 );
- SibSB(scale, from2, from );
-}
-
-void MOV16ItoR( x86IntRegType to, u16 from )
-{
- RexB(0, to);
- write16( 0xB866 | ((to & 0x7)<<8) );
- write16( from );
-}
-
-// mov imm16 to [r16+off]
-void MOV16ItoRmOffset( x86IntRegType to, u16 from, u32 offset)
-{
- write8(0x66);
- RexB(0,to);
- write8( 0xC7 );
- WriteRmOffset(to, offset);
- write16(from);
-}
-
-// mov r16 to [r16+off]
-void MOV16RtoRmOffset( x86IntRegType to, x86IntRegType from, int offset)
-{
- write8(0x66);
- RexRB(0,from,to);
- write8( 0x89 );
- WriteRmOffsetFrom(from, to, offset);
-}
-
-/* mov r8 to m8 */
-void MOV8RtoM( uptr to, x86IntRegType from )
-{
- if (from == EAX)
- {
- write8(0xA2);
- write64(to);
- }
- else
- {
- MEMADDR_OP(0, VAROP1(0x88), true, from, to, 0);
- }
-}
-
-/* mov m8 to r8 */
-void MOV8MtoR( x86IntRegType to, uptr from )
-{
- if (to == EAX)
- {
- write8(0xA0);
- write64(from);
- }
- else
- {
- MEMADDR_OP(0, VAROP1(0x8A), true, to, from, 0);
- }
-}
-
-/* mov [r32] to r8 */
-void MOV8RmtoR(x86IntRegType to, x86IntRegType from)
-{
- RexRB(0,to,from);
- write8( 0x8A );
- WriteRmOffsetFrom(to, from, 0);
-}
-
-void MOV8RmtoROffset(x86IntRegType to, x86IntRegType from, int offset)
-{
- RexRB(0,to,from);
- write8( 0x8A );
- WriteRmOffsetFrom(to, from, offset);
-}
-
-void MOV8RtoRm(x86IntRegType to, x86IntRegType from)
-{
- RexRB(0,from,to);
- write8( 0x88 );
- WriteRmOffsetFrom(from, to, 0);
-}
-
-/* mov imm8 to m8 */
-void MOV8ItoM( uptr to, u8 from )
-{
- MEMADDR_OP(0, VAROP1(0xC6), false, 0, to, 1);
- write8( from );
-}
-
-// mov imm8 to r8
-void MOV8ItoR( x86IntRegType to, u8 from )
-{
- RexB(0, to);
- write8( 0xB0 | (to & 0x7) );
- write8( from );
-}
-
-// mov imm8 to [r8+off]
-void MOV8ItoRmOffset( x86IntRegType to, u8 from, int offset)
-{
- assert( to != ESP );
- RexB(0,to);
- write8( 0xC6 );
- WriteRmOffset(to,offset);
- write8(from);
-}
-
-// mov r8 to [r8+off]
-void MOV8RtoRmOffset( x86IntRegType to, x86IntRegType from, int offset)
-{
- assert( to != ESP );
- RexRB(0,from,to);
- write8( 0x88 );
- WriteRmOffsetFrom(from,to,offset);
-}
-
-/* movsx r8 to r32 */
-void MOVSX32R8toR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,to,from);
- write16( 0xBE0F );
- ModRM( 3, to, from );
-}
-
-void MOVSX32Rm8toR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,to,from);
- write16( 0xBE0F );
- ModRM( 0, to, from );
-}
-
-void MOVSX32Rm8toROffset( x86IntRegType to, x86IntRegType from, int offset )
-{
- RexRB(0,to,from);
- write16( 0xBE0F );
- WriteRmOffsetFrom(to,from,offset);
-}
-
-/* movsx m8 to r32 */
-void MOVSX32M8toR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP2(0x0F, 0xBE), true, to, from, 0);
-}
-
-/* movsx r16 to r32 */
-void MOVSX32R16toR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,to,from);
- write16( 0xBF0F );
- ModRM( 3, to, from );
-}
-
-void MOVSX32Rm16toR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,to,from);
- write16( 0xBF0F );
- ModRM( 0, to, from );
-}
-
-void MOVSX32Rm16toROffset( x86IntRegType to, x86IntRegType from, int offset )
-{
- RexRB(0,to,from);
- write16( 0xBF0F );
- WriteRmOffsetFrom(to,from,offset);
-}
-
-/* movsx m16 to r32 */
-void MOVSX32M16toR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP2(0x0F, 0xBF), true, to, from, 0);
-}
-
-/* movzx r8 to r32 */
-void MOVZX32R8toR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,to,from);
- write16( 0xB60F );
- ModRM( 3, to, from );
-}
-
-void MOVZX32Rm8toR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,to,from);
- write16( 0xB60F );
- ModRM( 0, to, from );
-}
-
-void MOVZX32Rm8toROffset( x86IntRegType to, x86IntRegType from, int offset )
-{
- RexRB(0,to,from);
- write16( 0xB60F );
- WriteRmOffsetFrom(to,from,offset);
-}
-
-/* movzx m8 to r32 */
-void MOVZX32M8toR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP2(0x0F, 0xB6), true, to, from, 0);
-}
-
-/* movzx r16 to r32 */
-void MOVZX32R16toR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,to,from);
- write16( 0xB70F );
- ModRM( 3, to, from );
-}
-
-void MOVZX32Rm16toR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,to,from);
- write16( 0xB70F );
- ModRM( 0, to, from );
-}
-
-void MOVZX32Rm16toROffset( x86IntRegType to, x86IntRegType from, int offset )
-{
- RexRB(0,to,from);
- write16( 0xB70F );
- WriteRmOffsetFrom(to,from,offset);
-}
-
-/* movzx m16 to r32 */
-void MOVZX32M16toR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP2(0x0F, 0xB7), true, to, from, 0);
-}
-
-#ifdef __x86_64__
-
-/* movzx r8 to r64 */
-void MOVZX64R8toR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(1,to,from);
- write16( 0xB60F );
- ModRM( 3, to, from );
-}
-
-void MOVZX64Rm8toR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(1,to,from);
- write16( 0xB60F );
- ModRM( 0, to, from );
-}
-
-void MOVZX64Rm8toROffset( x86IntRegType to, x86IntRegType from, int offset )
-{
- RexRB(1,to,from);
- write16( 0xB60F );
- WriteRmOffsetFrom(to,from,offset);
-}
-
-/* movzx m8 to r64 */
-void MOVZX64M8toR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(1, VAROP2(0x0F, 0xB6), true, to, from, 0);
-}
-
-/* movzx r16 to r64 */
-void MOVZX64R16toR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(1,to,from);
- write16( 0xB70F );
- ModRM( 3, to, from );
-}
-
-void MOVZX64Rm16toR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(1,to,from);
- write16( 0xB70F );
- ModRM( 0, to, from );
-}
-
-void MOVZX64Rm16toROffset( x86IntRegType to, x86IntRegType from, int offset )
-{
- RexRB(1,to,from);
- write16( 0xB70F );
- WriteRmOffsetFrom(to,from,offset);
-}
-
-/* movzx m16 to r64 */
-void MOVZX64M16toR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(1, VAROP2(0x0F, 0xB7), true, to, from, 0);
-}
-#endif
-
-/* cmovbe r32 to r32 */
-void CMOVBE32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x46, to, from );
-}
-
-/* cmovbe m32 to r32*/
-void CMOVBE32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x46, to, from );
-}
-
-/* cmovb r32 to r32 */
-void CMOVB32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x42, to, from );
-}
-
-/* cmovb m32 to r32*/
-void CMOVB32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x42, to, from );
-}
-
-/* cmovae r32 to r32 */
-void CMOVAE32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x43, to, from );
-}
-
-/* cmovae m32 to r32*/
-void CMOVAE32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x43, to, from );
-}
-
-/* cmova r32 to r32 */
-void CMOVA32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x47, to, from );
-}
-
-/* cmova m32 to r32*/
-void CMOVA32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x47, to, from );
-}
-
-/* cmovo r32 to r32 */
-void CMOVO32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x40, to, from );
-}
-
-/* cmovo m32 to r32 */
-void CMOVO32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x40, to, from );
-}
-
-/* cmovp r32 to r32 */
-void CMOVP32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x4A, to, from );
-}
-
-/* cmovp m32 to r32 */
-void CMOVP32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x4A, to, from );
-}
-
-/* cmovs r32 to r32 */
-void CMOVS32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x48, to, from );
-}
-
-/* cmovs m32 to r32 */
-void CMOVS32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x48, to, from );
-}
-
-/* cmovno r32 to r32 */
-void CMOVNO32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x41, to, from );
-}
-
-/* cmovno m32 to r32 */
-void CMOVNO32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x41, to, from );
-}
-
-/* cmovnp r32 to r32 */
-void CMOVNP32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x4B, to, from );
-}
-
-/* cmovnp m32 to r32 */
-void CMOVNP32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x4B, to, from );
-}
-
-/* cmovns r32 to r32 */
-void CMOVNS32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x49, to, from );
-}
-
-/* cmovns m32 to r32 */
-void CMOVNS32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x49, to, from );
-}
-
-/* cmovne r32 to r32 */
-void CMOVNE32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x45, to, from );
-}
-
-/* cmovne m32 to r32*/
-void CMOVNE32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x45, to, from );
-}
-
-/* cmove r32 to r32*/
-void CMOVE32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x44, to, from );
-}
-
-/* cmove m32 to r32*/
-void CMOVE32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x44, to, from );
-}
-
-/* cmovg r32 to r32*/
-void CMOVG32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x4F, to, from );
-}
-
-/* cmovg m32 to r32*/
-void CMOVG32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x4F, to, from );
-}
-
-/* cmovge r32 to r32*/
-void CMOVGE32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x4D, to, from );
-}
-
-/* cmovge m32 to r32*/
-void CMOVGE32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x4D, to, from );
-}
-
-/* cmovl r32 to r32*/
-void CMOVL32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x4C, to, from );
-}
-
-/* cmovl m32 to r32*/
-void CMOVL32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x4C, to, from );
-}
-
-/* cmovle r32 to r32*/
-void CMOVLE32RtoR( x86IntRegType to, x86IntRegType from )
-{
- CMOV32RtoR( 0x4E, to, from );
-}
-
-/* cmovle m32 to r32*/
-void CMOVLE32MtoR( x86IntRegType to, uptr from )
-{
- CMOV32MtoR( 0x4E, to, from );
-}
-
-////////////////////////////////////
-// arithmetic instructions /
-////////////////////////////////////
-
-/* add imm32 to r64 */
-void ADD64ItoR( x86IntRegType to, u32 from )
-{
- RexB(1, to);
- if (from <= 0x7f)
- {
- write8(0x83);
- ModRM( 3, 0, to );
- write8(from);
- }
- else
- {
- if (to == RAX) {
- write8( 0x05 );
- } else {
- write8( 0x81 );
- ModRM( 3, 0, to );
- }
- write32( from );
- }
-}
-
-/* add m64 to r64 */
-void ADD64MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(1, VAROP1(0x03), true, to, from, 0);
-}
-
-/* add r64 to r64 */
-void ADD64RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(1, from, to);
- write8( 0x01 );
- ModRM( 3, from, to );
-}
-
-/* add imm32 to r32 */
-void ADD32ItoR( x86IntRegType to, u32 from )
-{
- RexB(0, to);
- if ( to == EAX) {
- write8( 0x05 );
- }
- else {
- write8( 0x81 );
- ModRM( 3, 0, to );
- }
- write32( from );
-}
-
-/* add imm32 to m32 */
-void ADD32ItoM( uptr to, u32 from )
-{
- MEMADDR_OP(0, VAROP1(0x81), false, 0, to, 4);
- write32(from);
-}
-
-// add imm32 to [r32+off]
-void ADD32ItoRmOffset( x86IntRegType to, u32 from, int offset)
-{
- RexB(0,to);
- write8( 0x81 );
- WriteRmOffset(to,offset);
- write32(from);
-}
-
-/* add r32 to r32 */
-void ADD32RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0, from, to);
- write8( 0x01 );
- ModRM( 3, from, to );
-}
-
-/* add r32 to m32 */
-void ADD32RtoM(uptr to, x86IntRegType from )
-{
- MEMADDR_OP(0, VAROP1(0x01), true, from, to, 0);
-}
-
-/* add m32 to r32 */
-void ADD32MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP1(0x03), true, to, from, 0);
-}
-
-// add r16 to r16
-void ADD16RtoR( x86IntRegType to , x86IntRegType from )
-{
- write8(0x66);
- RexRB(0,to,from);
- write8( 0x03 );
- ModRM( 3, to, from );
-}
-
-/* add imm16 to r16 */
-void ADD16ItoR( x86IntRegType to, u16 from )
-{
- write8( 0x66 );
- RexB(0,to);
- if ( to == EAX)
- {
- write8( 0x05 );
- }
- else
- {
- write8( 0x81 );
- ModRM( 3, 0, to );
- }
- write16( from );
-}
-
-/* add imm16 to m16 */
-void ADD16ItoM( uptr to, u16 from )
-{
- MEMADDR_OP(0, VAROP2(0x66, 0x81), false, 0, to, 2);
- write16( from );
-}
-
-/* add r16 to m16 */
-void ADD16RtoM(uptr to, x86IntRegType from )
-{
- MEMADDR_OP(0, VAROP2(0x66, 0x01), true, from, to, 0);
-}
-
-/* add m16 to r16 */
-void ADD16MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP2(0x66, 0x03), true, to, from, 0);
-}
-
-// add m8 to r8
-void ADD8MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP1(0x02), true, to, from, 0);
-}
-
-/* adc imm32 to r32 */
-void ADC32ItoR( x86IntRegType to, u32 from )
-{
- RexB(0,to);
- if ( to == EAX ) {
- write8( 0x15 );
- }
- else {
- write8( 0x81 );
- ModRM( 3, 2, to );
- }
- write32( from );
-}
-
-/* adc imm32 to m32 */
-void ADC32ItoM( uptr to, u32 from )
-{
- MEMADDR_OP(0, VAROP1(0x81), false, 2, to, 4);
- write32(from);
-}
-
-/* adc r32 to r32 */
-void ADC32RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,from,to);
- write8( 0x11 );
- ModRM( 3, from, to );
-}
-
-/* adc m32 to r32 */
-void ADC32MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP1(0x13), true, to, from, 0);
-}
-
-// adc r32 to m32
-void ADC32RtoM( uptr to, x86IntRegType from )
-{
- MEMADDR_OP(0, VAROP1(0x11), true, from, to, 0);
-}
-
-
-#ifdef __x86_64__
-void INC32R( x86IntRegType to )
-{
- write8( 0xFF );
- ModRM(3,0,to);
-}
-#else
-/* inc r32 */
-void INC32R( x86IntRegType to )
-{
- X86_64ASSERT();
- write8( 0x40 + to );
-}
-#endif
-/* inc m32 */
-void INC32M( uptr to )
-{
- MEMADDR_OP(0, VAROP1(0xFF), false, 0, to, 0);
-}
-
-/* inc r16 */
-void INC16R( x86IntRegType to )
-{
- X86_64ASSERT();
- write8( 0x66 );
- write8( 0x40 + to );
-}
-
-/* inc m16 */
-void INC16M( uptr to )
-{
- MEMADDR_OP(0, VAROP2(0x66, 0xFF), false, 0, to, 0);
-}
-
-
-/* sub imm32 to r64 */
-void SUB64ItoR( x86IntRegType to, u32 from )
-{
- RexB(1, to);
- if (from <= 0x7f)
- {
- write8(0x83);
- ModRM( 3, 5, to );
- write8(from);
- }
- else
- {
- if ( to == RAX ) {
- write8( 0x2D );
- }
- else {
- write8( 0x81 );
- ModRM( 3, 5, to );
- }
- write32( from );
- }
-}
-
-/* sub r64 to r64 */
-void SUB64RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(1, from, to);
- write8( 0x29 );
- ModRM( 3, from, to );
-}
-
-/* sub m64 to r64 */
-void SUB64MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(1, VAROP1(0x2B), true, to, from, 0);
-}
-
-/* sub imm32 to r32 */
-void SUB32ItoR( x86IntRegType to, u32 from )
-{
- RexB(0,to);
- if ( to == EAX ) {
- write8( 0x2D );
- }
- else {
- write8( 0x81 );
- ModRM( 3, 5, to );
- }
- write32( from );
-}
-
-/* sub imm32 to m32 */
-void SUB32ItoM( uptr to, u32 from )
-{
- MEMADDR_OP(0, VAROP1(0x81), false, 5, to, 4);
- write32(from);
-}
-
-/* sub r32 to r32 */
-void SUB32RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0, from, to);
- write8( 0x29 );
- ModRM( 3, from, to );
-}
-
-/* sub m32 to r32 */
-void SUB32MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP1(0x2B), true, to, from, 0);
-}
-
-// sub r32 to m32
-void SUB32RtoM( uptr to, x86IntRegType from )
-{
- MEMADDR_OP(0, VAROP1(0x29), true, from, to, 0);
-}
-
-// sub r16 to r16
-void SUB16RtoR( x86IntRegType to, u16 from )
-{
- write8(0x66);
- RexRB(0,to,from);
- write8( 0x2b );
- ModRM( 3, to, from );
-}
-
-/* sub imm16 to r16 */
-void SUB16ItoR( x86IntRegType to, u16 from ) {
- write8( 0x66 );
- RexB(0,to);
- if ( to == EAX ) {
- write8( 0x2D );
- } else {
- write8( 0x81 );
- ModRM( 3, 5, to );
- }
- write16( from );
-}
-
-/* sub imm16 to m16 */
-void SUB16ItoM( uptr to, u16 from ) {
- MEMADDR_OP(0, VAROP2(0x66, 0x81), false, 5, to, 2);
- write16( from );
-}
-
-/* sub m16 to r16 */
-void SUB16MtoR( x86IntRegType to, uptr from ) {
- MEMADDR_OP(0, VAROP2(0x66, 0x2B), true, to, from, 0);
-}
-
-/* sbb r64 to r64 */
-void SBB64RtoR( x86IntRegType to, x86IntRegType from ) {
- RexRB(1, from,to);
- write8( 0x19 );
- ModRM( 3, from, to );
-}
-
-/* sbb imm32 to r32 */
-void SBB32ItoR( x86IntRegType to, u32 from ) {
- RexB(0,to);
- if ( to == EAX ) {
- write8( 0x1D );
- } else {
- write8( 0x81 );
- ModRM( 3, 3, to );
- }
- write32( from );
-}
-
-/* sbb imm32 to m32 */
-void SBB32ItoM( uptr to, u32 from ) {
- MEMADDR_OP(0, VAROP1(0x81), false, 3, to, 4);
- write32( from );
-}
-
-/* sbb r32 to r32 */
-void SBB32RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,from,to);
- write8( 0x19 );
- ModRM( 3, from, to );
-}
-
-/* sbb m32 to r32 */
-void SBB32MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP1(0x1B), true, to, from, 0);
-}
-
-/* sbb r32 to m32 */
-void SBB32RtoM( uptr to, x86IntRegType from )
-{
- MEMADDR_OP(0, VAROP1(0x19), true, from, to, 0);
-}
-
-#ifdef __x86_64__
-void DEC32R( x86IntRegType to )
-{
- write8( 0xFF );
- ModRM(3,1,to);
-}
-#else
-/* dec r32 */
-void DEC32R( x86IntRegType to )
-{
- X86_64ASSERT();
- write8( 0x48 + to );
-}
-#endif
-
-/* dec m32 */
-void DEC32M( uptr to )
-{
- MEMADDR_OP(0, VAROP1(0xFF), false, 1, to, 0);
-}
-
-/* dec r16 */
-void DEC16R( x86IntRegType to )
-{
- X86_64ASSERT();
- write8( 0x66 );
- write8( 0x48 + to );
-}
-
-/* dec m16 */
-void DEC16M( uptr to )
-{
- MEMADDR_OP(0, VAROP2(0x66, 0xFF), false, 1, to, 0);
-}
-
-/* mul eax by r32 to edx:eax */
-void MUL32R( x86IntRegType from )
-{
- RexB(0,from);
- write8( 0xF7 );
- ModRM( 3, 4, from );
-}
-
-/* imul eax by r32 to edx:eax */
-void IMUL32R( x86IntRegType from )
-{
- RexB(0,from);
- write8( 0xF7 );
- ModRM( 3, 5, from );
-}
-
-/* mul eax by m32 to edx:eax */
-void MUL32M( uptr from )
-{
- MEMADDR_OP(0, VAROP1(0xF7), false, 4, from, 0);
-}
-
-/* imul eax by m32 to edx:eax */
-void IMUL32M( uptr from )
-{
- MEMADDR_OP(0, VAROP1(0xF7), false, 5, from, 0);
-}
-
-/* imul r32 by r32 to r32 */
-void IMUL32RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,to,from);
- write16( 0xAF0F );
- ModRM( 3, to, from );
-}
-
-/* div eax by r32 to edx:eax */
-void DIV32R( x86IntRegType from )
-{
- RexB(0,from);
- write8( 0xF7 );
- ModRM( 3, 6, from );
-}
-
-/* idiv eax by r32 to edx:eax */
-void IDIV32R( x86IntRegType from )
-{
- RexB(0,from);
- write8( 0xF7 );
- ModRM( 3, 7, from );
-}
-
-/* div eax by m32 to edx:eax */
-void DIV32M( uptr from )
-{
- MEMADDR_OP(0, VAROP1(0xF7), false, 6, from, 0);
-}
-
-/* idiv eax by m32 to edx:eax */
-void IDIV32M( uptr from )
-{
- MEMADDR_OP(0, VAROP1(0xF7), false, 7, from, 0);
-}
-
-////////////////////////////////////
-// shifting instructions /
-////////////////////////////////////
-
-/* shl imm8 to r64 */
-void SHL64ItoR( x86IntRegType to, u8 from )
-{
- RexB(1, to);
- if ( from == 1 )
- {
- write8( 0xD1 );
- ModRM( 3, 4, to );
- return;
- }
- write8( 0xC1 );
- ModRM( 3, 4, to );
- write8( from );
-}
-
-/* shl cl to r64 */
-void SHL64CLtoR( x86IntRegType to )
-{
- RexB(1, to);
- write8( 0xD3 );
- ModRM( 3, 4, to );
-}
-
-/* shr imm8 to r64 */
-void SHR64ItoR( x86IntRegType to, u8 from )
-{
- RexB(1,to);
- if ( from == 1 ) {
- write8( 0xD1 );
- ModRM( 3, 5, to );
- return;
- }
- write8( 0xC1 );
- ModRM( 3, 5, to );
- write8( from );
-}
-
-/* shr cl to r64 */
-void SHR64CLtoR( x86IntRegType to )
-{
- RexB(1, to);
- write8( 0xD3 );
- ModRM( 3, 5, to );
-}
-
-/* shl imm8 to r32 */
-void SHL32ItoR( x86IntRegType to, u8 from )
-{
- RexB(0, to);
- if ( from == 1 )
- {
- write8( 0xD1 );
- write8( 0xE0 | (to & 0x7) );
- return;
- }
- write8( 0xC1 );
- ModRM( 3, 4, to );
- write8( from );
-}
-
-/* shl imm8 to m32 */
-void SHL32ItoM( uptr to, u8 from )
-{
- if ( from == 1 )
- {
- MEMADDR_OP(0, VAROP1(0xD1), false, 4, to, 0);
- }
- else
- {
- MEMADDR_OP(0, VAROP1(0xC1), false, 4, to, 1);
- write8( from );
- }
-}
-
-/* shl cl to r32 */
-void SHL32CLtoR( x86IntRegType to )
-{
- RexB(0,to);
- write8( 0xD3 );
- ModRM( 3, 4, to );
-}
-
-// shl imm8 to r16
-void SHL16ItoR( x86IntRegType to, u8 from )
-{
- write8(0x66);
- RexB(0,to);
- if ( from == 1 )
- {
- write8( 0xD1 );
- write8( 0xE0 | (to & 0x7) );
- return;
- }
- write8( 0xC1 );
- ModRM( 3, 4, to );
- write8( from );
-}
-
-// shl imm8 to r8
-void SHL8ItoR( x86IntRegType to, u8 from )
-{
- RexB(0,to);
- if ( from == 1 )
- {
- write8( 0xD0 );
- write8( 0xE0 | (to & 0x7) );
- return;
- }
- write8( 0xC0 );
- ModRM( 3, 4, to );
- write8( from );
-}
-
-/* shr imm8 to r32 */
-void SHR32ItoR( x86IntRegType to, u8 from ) {
- RexB(0,to);
- if ( from == 1 )
- {
- write8( 0xD1 );
- write8( 0xE8 | (to & 0x7) );
- }
- else
- {
- write8( 0xC1 );
- ModRM( 3, 5, to );
- write8( from );
- }
-}
-
-/* shr imm8 to m32 */
-void SHR32ItoM( uptr to, u8 from )
-{
- if ( from == 1 )
- {
- MEMADDR_OP(0, VAROP1(0xD1), false, 5, to, 0);
- }
- else
- {
- MEMADDR_OP(0, VAROP1(0xC1), false, 5, to, 1);
- write8( from );
- }
-}
-
-/* shr cl to r32 */
-void SHR32CLtoR( x86IntRegType to )
-{
- RexB(0,to);
- write8( 0xD3 );
- ModRM( 3, 5, to );
-}
-
-// shr imm8 to r8
-void SHR8ItoR( x86IntRegType to, u8 from )
-{
- RexB(0,to);
- if ( from == 1 )
- {
- write8( 0xD0 );
- write8( 0xE8 | (to & 0x7) );
- }
- else
- {
- write8( 0xC0 );
- ModRM( 3, 5, to );
- write8( from );
- }
-}
-
-/* sar imm8 to r64 */
-void SAR64ItoR( x86IntRegType to, u8 from )
-{
- RexB(1,to);
- if ( from == 1 )
- {
- write8( 0xD1 );
- ModRM( 3, 7, to );
- return;
- }
- write8( 0xC1 );
- ModRM( 3, 7, to );
- write8( from );
-}
-
-/* sar cl to r64 */
-void SAR64CLtoR( x86IntRegType to )
-{
- RexB(1, to);
- write8( 0xD3 );
- ModRM( 3, 7, to );
-}
-
-/* sar imm8 to r32 */
-void SAR32ItoR( x86IntRegType to, u8 from )
-{
- RexB(0,to);
- if ( from == 1 )
- {
- write8( 0xD1 );
- ModRM( 3, 7, to );
- return;
- }
- write8( 0xC1 );
- ModRM( 3, 7, to );
- write8( from );
-}
-
-/* sar imm8 to m32 */
-void SAR32ItoM( uptr to, u8 from )
-{
- if (from == 1)
- {
- MEMADDR_OP(0, VAROP1(0xD1), false, 7, to, 0);
- }
- else
- {
- MEMADDR_OP(0, VAROP1(0xC1), false, 7, to, 1);
- write8( from );
- }
-}
-
-/* sar cl to r32 */
-void SAR32CLtoR( x86IntRegType to )
-{
- RexB(0,to);
- write8( 0xD3 );
- ModRM( 3, 7, to );
-}
-
-// sar imm8 to r16
-void SAR16ItoR( x86IntRegType to, u8 from )
-{
- write8(0x66);
- RexB(0,to);
- if ( from == 1 )
- {
- write8( 0xD1 );
- ModRM( 3, 7, to );
- return;
- }
- write8( 0xC1 );
- ModRM( 3, 7, to );
- write8( from );
-}
-
-void ROR32ItoR( x86IntRegType to,u8 from )
-{
- RexB(0,to);
- if ( from == 1 ) {
- write8( 0xd1 );
- write8( 0xc8 | to );
- }
- else
- {
- write8( 0xc1 );
- write8( 0xc8 | to );
- write8( from );
- }
-}
-
-void RCR32ItoR( x86IntRegType to, u8 from )
-{
- RexB(0,to);
- if ( from == 1 ) {
- write8( 0xd1 );
- write8( 0xd8 | to );
- }
- else
- {
- write8( 0xc1 );
- write8( 0xd8 | to );
- write8( from );
- }
-}
-
-// shld imm8 to r32
-void SHLD32ItoR( x86IntRegType to, x86IntRegType from, u8 shift )
-{
- RexRB(0,from,to);
- write8( 0x0F );
- write8( 0xA4 );
- ModRM( 3, from, to );
- write8( shift );
-}
-
-// shrd imm8 to r32
-void SHRD32ItoR( x86IntRegType to, x86IntRegType from, u8 shift )
-{
- RexRB(0,from,to);
- write8( 0x0F );
- write8( 0xAC );
- ModRM( 3, from, to );
- write8( shift );
-}
-
-////////////////////////////////////
-// logical instructions /
-////////////////////////////////////
-
-/* or imm32 to r32 */
-void OR64ItoR( x86IntRegType to, u32 from )
-{
- RexB(1, to);
- if ( to == EAX ) {
- write8( 0x0D );
- } else {
- write8( 0x81 );
- ModRM( 3, 1, to );
- }
- write32( from );
-}
-
-/* or m64 to r64 */
-void OR64MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(1, VAROP1(0x0B), true, to, from, 0);
-}
-
-/* or r64 to r64 */
-void OR64RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(1, from, to);
- write8( 0x09 );
- ModRM( 3, from, to );
-}
-
-// or r32 to m64
-void OR64RtoM(uptr to, x86IntRegType from )
-{
- MEMADDR_OP(1, VAROP1(0x09), true, from, to, 0);
-}
-
-/* or imm32 to r32 */
-void OR32ItoR( x86IntRegType to, u32 from )
-{
- RexB(0,to);
- if ( to == EAX ) {
- write8( 0x0D );
- }
- else {
- write8( 0x81 );
- ModRM( 3, 1, to );
- }
- write32( from );
-}
-
-/* or imm32 to m32 */
-void OR32ItoM(uptr to, u32 from )
-{
- MEMADDR_OP(0, VAROP1(0x81), false, 1, to, 4);
- write32(from);
-}
-
-/* or r32 to r32 */
-void OR32RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,from,to);
- write8( 0x09 );
- ModRM( 3, from, to );
-}
-
-/* or r32 to m32 */
-void OR32RtoM(uptr to, x86IntRegType from )
-{
- MEMADDR_OP(0, VAROP1(0x09), true, from, to, 0);
-}
-
-/* or m32 to r32 */
-void OR32MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP1(0x0B), true, to, from, 0);
-}
-
-// or r16 to r16
-void OR16RtoR( x86IntRegType to, x86IntRegType from )
-{
- write8(0x66);
- RexRB(0,from,to);
- write8( 0x09 );
- ModRM( 3, from, to );
-}
-
-// or imm16 to r16
-void OR16ItoR( x86IntRegType to, u16 from )
-{
- write8(0x66);
- RexB(0,to);
- if ( to == EAX ) {
- write8( 0x0D );
- }
- else {
- write8( 0x81 );
- ModRM( 3, 1, to );
- }
- write16( from );
-}
-
-// or imm16 to m316
-void OR16ItoM( uptr to, u16 from )
-{
- MEMADDR_OP(0, VAROP2(0x66, 0x81), false, 1, to, 2);
- write16( from );
-}
-
-/* or m16 to r16 */
-void OR16MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP2(0x66, 0x0B), true, to, from, 0);
-}
-
-// or r16 to m16
-void OR16RtoM( uptr to, x86IntRegType from )
-{
- MEMADDR_OP(0, VAROP2(0x66, 0x09), true, from, to, 0);
-}
-
-// or r8 to r8
-void OR8RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,from,to);
- write8( 0x08 );
- ModRM( 3, from, to );
-}
-
-// or r8 to m8
-void OR8RtoM( uptr to, x86IntRegType from )
-{
- MEMADDR_OP(0, VAROP1(0x08), true, from, to, 0);
-}
-
-// or imm8 to m8
-void OR8ItoM( uptr to, u8 from )
-{
- MEMADDR_OP(0, VAROP1(0x80), false, 1, to, 1);
- write8( from );
-}
-
-// or m8 to r8
-void OR8MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP1(0x0A), true, to, from, 0);
-}
-
-/* xor imm32 to r64 */
-void XOR64ItoR( x86IntRegType to, u32 from )
-{
- RexB(1,to);
- if ( to == EAX ) {
- write8( 0x35 );
- } else {
- write8( 0x81 );
- ModRM( 3, 6, to );
- }
- write32( from );
-}
-
-/* xor r64 to r64 */
-void XOR64RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(1, from, to);
- write8( 0x31 );
- ModRM( 3, from, to );
-}
-
-/* xor m64 to r64 */
-void XOR64MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(1, VAROP1(0x33), true, to, from, 0);
-}
-
-/* xor r64 to m64 */
-void XOR64RtoM( uptr to, x86IntRegType from )
-{
- MEMADDR_OP(1, VAROP1(0x31), true, from, to, 0);
-}
-
-/* xor imm32 to r32 */
-void XOR32ItoR( x86IntRegType to, u32 from )
-{
- RexB(0,to);
- if ( to == EAX ) {
- write8( 0x35 );
- }
- else {
- write8( 0x81 );
- ModRM( 3, 6, to );
- }
- write32( from );
-}
-
-/* xor imm32 to m32 */
-void XOR32ItoM( uptr to, u32 from )
-{
- MEMADDR_OP(0, VAROP1(0x81), false, 6, to, 4);
- write32( from );
-}
-
-/* xor r32 to r32 */
-void XOR32RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,from,to);
- write8( 0x31 );
- ModRM( 3, from, to );
-}
-
-/* xor r16 to r16 */
-void XOR16RtoR( x86IntRegType to, x86IntRegType from )
-{
- write8( 0x66 );
- RexRB(0,from,to);
- write8( 0x31 );
- ModRM( 3, from, to );
-}
-
-/* xor r32 to m32 */
-void XOR32RtoM( uptr to, x86IntRegType from )
-{
- MEMADDR_OP(0, VAROP1(0x31), true, from, to, 0);
-}
-
-/* xor m32 to r32 */
-void XOR32MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP1(0x33), true, to, from, 0);
-}
-
-// xor imm16 to r16
-void XOR16ItoR( x86IntRegType to, u16 from )
-{
- write8(0x66);
- RexB(0,to);
- if ( to == EAX ) {
- write8( 0x35 );
- }
- else {
- write8( 0x81 );
- ModRM( 3, 6, to );
- }
- write16( from );
-}
-
-// xor r16 to m16
-void XOR16RtoM( uptr to, x86IntRegType from )
-{
- MEMADDR_OP(0, VAROP2(0x66, 0x31), true, from, to, 0);
-}
-
-/* and imm32 to r64 */
-void AND64I32toR( x86IntRegType to, u32 from )
-{
- RexB(1, to);
- if ( to == EAX ) {
- write8( 0x25 );
- } else {
- write8( 0x81 );
- ModRM( 3, 0x4, to );
- }
- write32( from );
-}
-
-/* and m64 to r64 */
-void AND64MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(1, VAROP1(0x23), true, to, from, 0);
-}
-
-/* and r64 to m64 */
-void AND64RtoM( uptr to, x86IntRegType from )
-{
- MEMADDR_OP(1, VAROP1(0x21), true, from, to, 0);
-}
-
-/* and r64 to r64 */
-void AND64RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(1, from, to);
- write8( 0x21 );
- ModRM( 3, from, to );
-}
-
-/* and imm32 to m64 */
-void AND64I32toM( uptr to, u32 from )
-{
- MEMADDR_OP(1, VAROP1(0x81), false, 4, to, 4);
- write32( from );
-}
-
-/* and imm32 to r32 */
-void AND32ItoR( x86IntRegType to, u32 from )
-{
- RexB(0,to);
- if ( to == EAX ) {
- write8( 0x25 );
- } else {
- write8( 0x81 );
- ModRM( 3, 0x4, to );
- }
- write32( from );
-}
-
-/* and sign ext imm8 to r32 */
-void AND32I8toR( x86IntRegType to, u8 from )
-{
- RexB(0,to);
- write8( 0x83 );
- ModRM( 3, 0x4, to );
- write8( from );
-}
-
-/* and imm32 to m32 */
-void AND32ItoM( uptr to, u32 from )
-{
- MEMADDR_OP(0, VAROP1(0x81), false, 4, to, 4);
- write32(from);
-}
-
-/* and sign ext imm8 to m32 */
-void AND32I8toM( uptr to, u8 from )
-{
- MEMADDR_OP(0, VAROP1(0x83), false, 4, to, 1);
- write8( from );
-}
-
-/* and r32 to r32 */
-void AND32RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,from,to);
- write8( 0x21 );
- ModRM( 3, from, to );
-}
-
-/* and r32 to m32 */
-void AND32RtoM( uptr to, x86IntRegType from )
-{
- MEMADDR_OP(0, VAROP1(0x21), true, from, to, 0);
-}
-
-/* and m32 to r32 */
-void AND32MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP1(0x23), true, to, from, 0);
-}
-
-// and r16 to r16
-void AND16RtoR( x86IntRegType to, x86IntRegType from )
-{
- write8(0x66);
- RexRB(0,to,from);
- write8( 0x23 );
- ModRM( 3, to, from );
-}
-
-/* and imm16 to r16 */
-void AND16ItoR( x86IntRegType to, u16 from )
-{
- write8(0x66);
- RexB(0,to);
- if ( to == EAX ) {
- write8( 0x25 );
- } else {
- write8( 0x81 );
- ModRM( 3, 0x4, to );
- }
- write16( from );
-}
-
-/* and imm16 to m16 */
-void AND16ItoM( uptr to, u16 from )
-{
- MEMADDR_OP(0, VAROP2(0x66, 0x81), false, 4, to, 2);
- write16( from );
-}
-
-/* and r16 to m16 */
-void AND16RtoM( uptr to, x86IntRegType from )
-{
- MEMADDR_OP(0, VAROP2(0x66, 0x21), true, from, to, 0);
-}
-
-/* and m16 to r16 */
-void AND16MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP2(0x66, 0x23), true, to, from, 0);
-}
-
-/* and imm8 to r8 */
-void AND8ItoR( x86IntRegType to, u8 from )
-{
- RexB(0,to);
- if ( to == EAX ) {
- write8( 0x24 );
- } else {
- write8( 0x80 );
- ModRM( 3, 0x4, to );
- }
- write8( from );
-}
-
-/* and imm8 to m8 */
-void AND8ItoM( uptr to, u8 from )
-{
- MEMADDR_OP(0, VAROP1(0x80), false, 4, to, 1);
- write8( from );
-}
-
-// and r8 to r8
-void AND8RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,to,from);
- write8( 0x22 );
- ModRM( 3, to, from );
-}
-
-/* and r8 to m8 */
-void AND8RtoM( uptr to, x86IntRegType from )
-{
- MEMADDR_OP(0, VAROP1(0x20), true, from, to, 0);
-}
-
-/* and m8 to r8 */
-void AND8MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP1(0x22), true, to, from, 0);
-}
-
-/* not r64 */
-void NOT64R( x86IntRegType from )
-{
- RexB(1, from);
- write8( 0xF7 );
- ModRM( 3, 2, from );
-}
-
-/* not r32 */
-void NOT32R( x86IntRegType from )
-{
- RexB(0,from);
- write8( 0xF7 );
- ModRM( 3, 2, from );
-}
-
-// not m32
-void NOT32M( uptr from )
-{
- MEMADDR_OP(0, VAROP1(0xF7), false, 2, from, 0);
-}
-
-/* neg r64 */
-void NEG64R( x86IntRegType from )
-{
- RexB(1, from);
- write8( 0xF7 );
- ModRM( 3, 3, from );
-}
-
-/* neg r32 */
-void NEG32R( x86IntRegType from )
-{
- RexB(0,from);
- write8( 0xF7 );
- ModRM( 3, 3, from );
-}
-
-void NEG32M( uptr from )
-{
- MEMADDR_OP(0, VAROP1(0xF7), false, 3, from, 0);
-}
-
-/* neg r16 */
-void NEG16R( x86IntRegType from )
-{
- write8( 0x66 );
- RexB(0,from);
- write8( 0xF7 );
- ModRM( 3, 3, from );
-}
-
-////////////////////////////////////
-// jump instructions /
-////////////////////////////////////
-
-u8* JMP( uptr to ) {
- uptr jump = ( x86Ptr - (s8*)to ) - 1;
-
- if ( jump > 0x7f ) {
- assert( to <= 0xffffffff );
- return (u8*)JMP32( to );
- } else {
- return (u8*)JMP8( to );
- }
-}
-
-/* jmp rel8 */
-u8* JMP8( u8 to )
-{
- write8( 0xEB );
- write8( to );
- return x86Ptr - 1;
-}
-
-/* jmp rel32 */
-u32* JMP32( uptr to )
-{
- assert(SPTR32((sptr)to));
- write8( 0xE9 );
- write32( (sptr)to );
- return (u32*)(x86Ptr - 4 );
-}
-
-/* jmp r32/r64 */
-void JMPR( x86IntRegType to )
-{
- RexB(0, to);
- write8( 0xFF );
- ModRM( 3, 4, to );
-}
-
-// jmp m32
-void JMP32M( uptr to )
-{
- /* FIXME */
- MEMADDR_OP(0, VAROP1(0xFF), false, 4, to, 0);
-}
-
-/* jp rel8 */
-u8* JP8( u8 to ) {
- return J8Rel( 0x7A, to );
-}
-
-/* jnp rel8 */
-u8* JNP8( u8 to ) {
- return J8Rel( 0x7B, to );
-}
-
-/* je rel8 */
-u8* JE8( u8 to ) {
- return J8Rel( 0x74, to );
-}
-
-/* jz rel8 */
-u8* JZ8( u8 to )
-{
- return J8Rel( 0x74, to );
-}
-
-/* js rel8 */
-u8* JS8( u8 to )
-{
- return J8Rel( 0x78, to );
-}
-
-/* jns rel8 */
-u8* JNS8( u8 to )
-{
- return J8Rel( 0x79, to );
-}
-
-/* jg rel8 */
-u8* JG8( u8 to )
-{
- return J8Rel( 0x7F, to );
-}
-
-/* jge rel8 */
-u8* JGE8( u8 to )
-{
- return J8Rel( 0x7D, to );
-}
-
-/* jl rel8 */
-u8* JL8( u8 to )
-{
- return J8Rel( 0x7C, to );
-}
-
-/* ja rel8 */
-u8* JA8( u8 to )
-{
- return J8Rel( 0x77, to );
-}
-
-u8* JAE8( u8 to )
-{
- return J8Rel( 0x73, to );
-}
-
-/* jb rel8 */
-u8* JB8( u8 to )
-{
- return J8Rel( 0x72, to );
-}
-
-/* jbe rel8 */
-u8* JBE8( u8 to )
-{
- return J8Rel( 0x76, to );
-}
-
-/* jle rel8 */
-u8* JLE8( u8 to )
-{
- return J8Rel( 0x7E, to );
-}
-
-/* jne rel8 */
-u8* JNE8( u8 to )
-{
- return J8Rel( 0x75, to );
-}
-
-/* jnz rel8 */
-u8* JNZ8( u8 to )
-{
- return J8Rel( 0x75, to );
-}
-
-/* jng rel8 */
-u8* JNG8( u8 to )
-{
- return J8Rel( 0x7E, to );
-}
-
-/* jnge rel8 */
-u8* JNGE8( u8 to )
-{
- return J8Rel( 0x7C, to );
-}
-
-/* jnl rel8 */
-u8* JNL8( u8 to )
-{
- return J8Rel( 0x7D, to );
-}
-
-/* jnle rel8 */
-u8* JNLE8( u8 to )
-{
- return J8Rel( 0x7F, to );
-}
-
-/* jo rel8 */
-u8* JO8( u8 to )
-{
- return J8Rel( 0x70, to );
-}
-
-/* jno rel8 */
-u8* JNO8( u8 to )
-{
- return J8Rel( 0x71, to );
-}
-
-// jb rel8
-u16* JB16( u16 to )
-{
- return J16Rel( 0x82, to );
-}
-
-// jb rel32
-u32* JB32( u32 to )
-{
- return J32Rel( 0x82, to );
-}
-
-/* je rel32 */
-u32* JE32( u32 to )
-{
- return J32Rel( 0x84, to );
-}
-
-/* jz rel32 */
-u32* JZ32( u32 to )
-{
- return J32Rel( 0x84, to );
-}
-
-/* jg rel32 */
-u32* JG32( u32 to )
-{
- return J32Rel( 0x8F, to );
-}
-
-/* jge rel32 */
-u32* JGE32( u32 to )
-{
- return J32Rel( 0x8D, to );
-}
-
-/* jl rel32 */
-u32* JL32( u32 to )
-{
- return J32Rel( 0x8C, to );
-}
-
-/* jle rel32 */
-u32* JLE32( u32 to )
-{
- return J32Rel( 0x8E, to );
-}
-
-/* jae rel32 */
-u32* JAE32( u32 to )
-{
- return J32Rel( 0x83, to );
-}
-
-/* jne rel32 */
-u32* JNE32( u32 to )
-{
- return J32Rel( 0x85, to );
-}
-
-/* jnz rel32 */
-u32* JNZ32( u32 to )
-{
- return J32Rel( 0x85, to );
-}
-
-/* jng rel32 */
-u32* JNG32( u32 to )
-{
- return J32Rel( 0x8E, to );
-}
-
-/* jnge rel32 */
-u32* JNGE32( u32 to )
-{
- return J32Rel( 0x8C, to );
-}
-
-/* jnl rel32 */
-u32* JNL32( u32 to )
-{
- return J32Rel( 0x8D, to );
-}
-
-/* jnle rel32 */
-u32* JNLE32( u32 to )
-{
- return J32Rel( 0x8F, to );
-}
-
-/* jo rel32 */
-u32* JO32( u32 to )
-{
- return J32Rel( 0x80, to );
-}
-
-/* jno rel32 */
-u32* JNO32( u32 to )
-{
- return J32Rel( 0x81, to );
-}
-
-// js rel32
-u32* JS32( u32 to )
-{
- return J32Rel( 0x88, to );
-}
-
-
-/* call func */
-void CALLFunc( uptr func )
-{
- sptr p = MEMADDR_(func, 5);
- if (SPTR32(p))
- {
- CALL32(p);
- }
- else
- {
- MOV64ItoR(X86_TEMP, func);
- CALL64R(X86_TEMP);
- }
-}
-
-/* call rel32 */
-void CALL32( s32 to )
-{
- write8( 0xE8 );
- write32( to );
-}
-
-/* call r32 */
-void CALL32R( x86IntRegType to )
-{
- RexB(0, to);
- write8( 0xFF );
- ModRM( 3, 2, to );
-}
-
-/* call r64 */
-void CALL64R( x86IntRegType to )
-{
- RexB(0, to);
- write8( 0xFF );
- ModRM( 3, 2, to );
-}
-
-////////////////////////////////////
-// misc instructions /
-////////////////////////////////////
-
-/* cmp imm32 to r64 */
-void CMP64I32toR( x86IntRegType to, u32 from )
-{
- RexB(1, to);
- if ( to == EAX ) {
- write8( 0x3D );
- }
- else {
- write8( 0x81 );
- ModRM( 3, 7, to );
- }
- write32( from );
-}
-
-/* cmp m64 to r64 */
-void CMP64MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(1, VAROP1(0x3B), true, 2, from, 0);
-}
-
-// cmp r64 to r64
-void CMP64RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(1,from,to);
- write8( 0x39 );
- ModRM( 3, from, to );
-}
-
-/* cmp imm32 to r32 */
-void CMP32ItoR( x86IntRegType to, u32 from )
-{
- RexB(0,to);
- if ( to == EAX ) {
- write8( 0x3D );
- }
- else {
- write8( 0x81 );
- ModRM( 3, 7, to );
- }
- write32( from );
-}
-
-/* cmp imm32 to m32 */
-void CMP32ItoM( uptr to, u32 from )
-{
- MEMADDR_OP(0, VAROP1(0x81), false, 7, to, 4);
- write32(from);
-}
-
-/* cmp r32 to r32 */
-void CMP32RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,from,to);
- write8( 0x39 );
- ModRM( 3, from, to );
-}
-
-/* cmp m32 to r32 */
-void CMP32MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP1(0x3B), true, to, from, 0);
-}
-
-// cmp imm8 to [r32]
-void CMP32I8toRm( x86IntRegType to, u8 from)
-{
- RexB(0,to);
- write8( 0x83 );
- ModRM( 0, 7, to );
- write8(from);
-}
-
-// cmp imm32 to [r32+off]
-void CMP32I8toRmOffset8( x86IntRegType to, u8 from, u8 off)
-{
- RexB(0,to);
- write8( 0x83 );
- ModRM( 1, 7, to );
- write8(off);
- write8(from);
-}
-
-// cmp imm8 to [r32]
-void CMP32I8toM( uptr to, u8 from)
-{
- MEMADDR_OP(0, VAROP1(0x83), false, 7, to, 1);
- write8( from );
-}
-
-/* cmp imm16 to r16 */
-void CMP16ItoR( x86IntRegType to, u16 from )
-{
- write8( 0x66 );
- RexB(0,to);
- if ( to == EAX )
- {
- write8( 0x3D );
- }
- else
- {
- write8( 0x81 );
- ModRM( 3, 7, to );
- }
- write16( from );
-}
-
-/* cmp imm16 to m16 */
-void CMP16ItoM( uptr to, u16 from )
-{
- MEMADDR_OP(0, VAROP2(0x66, 0x81), false, 7, to, 2);
- write16( from );
-}
-
-/* cmp r16 to r16 */
-void CMP16RtoR( x86IntRegType to, x86IntRegType from )
-{
- write8( 0x66 );
- RexRB(0,from,to);
- write8( 0x39 );
- ModRM( 3, from, to );
-}
-
-/* cmp m16 to r16 */
-void CMP16MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP2(0x66, 0x3B), true, to, from, 0);
-}
-
-// cmp imm8 to r8
-void CMP8ItoR( x86IntRegType to, u8 from )
-{
- RexB(0,to);
- if ( to == EAX )
- {
- write8( 0x3C );
- }
- else
- {
- write8( 0x80 );
- ModRM( 3, 7, to );
- }
- write8( from );
-}
-
-// cmp m8 to r8
-void CMP8MtoR( x86IntRegType to, uptr from )
-{
- MEMADDR_OP(0, VAROP1(0x3A), true, to, from, 0);
-}
-
-/* test r64 to r64 */
-void TEST64RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(1, from, to);
- write8( 0x85 );
- ModRM( 3, from, to );
-}
-
-/* test imm32 to r32 */
-void TEST32ItoR( x86IntRegType to, u32 from )
-{
- RexB(0,to);
- if ( to == EAX )
- {
- write8( 0xA9 );
- }
- else
- {
- write8( 0xF7 );
- ModRM( 3, 0, to );
- }
- write32( from );
-}
-
-void TEST32ItoM( uptr to, u32 from )
-{
- MEMADDR_OP(0, VAROP1(0xF7), false, 0, to, 4);
- write32( from );
-}
-
-/* test r32 to r32 */
-void TEST32RtoR( x86IntRegType to, x86IntRegType from )
-{
- RexRB(0,from,to);
- write8( 0x85 );
- ModRM( 3, from, to );
-}
-
-// test imm32 to [r32]
-void TEST32ItoRm( x86IntRegType to, u32 from )
-{
- RexB(0,to);
- write8( 0xF7 );
- ModRM( 0, 0, to );
- write32(from);
-}
-
-// test imm16 to r16
-void TEST16ItoR( x86IntRegType to, u16 from )
-{
- write8(0x66);
- RexB(0,to);
- if ( to == EAX )
- {
- write8( 0xA9 );
- }
- else
- {
- write8( 0xF7 );
- ModRM( 3, 0, to );
- }
- write16( from );
-}
-
-// test r16 to r16
-void TEST16RtoR( x86IntRegType to, x86IntRegType from )
-{
- write8(0x66);
- RexRB(0,from,to);
- write16( 0x85 );
- ModRM( 3, from, to );
-}
-
-// test imm8 to r8
-void TEST8ItoR( x86IntRegType to, u8 from )
-{
- RexB(0,to);
- if ( to == EAX )
- {
- write8( 0xA8 );
- }
- else
- {
- write8( 0xF6 );
- ModRM( 3, 0, to );
- }
- write8( from );
-}
-
-// test imm8 to r8
-void TEST8ItoM( uptr to, u8 from )
-{
- MEMADDR_OP(0, VAROP1(0xF6), false, 0, to, 1);
- write8( from );
-}
-
-/* sets r8 */
-void SETS8R( x86IntRegType to )
-{
- SET8R( 0x98, to );
-}
-
-/* setl r8 */
-void SETL8R( x86IntRegType to )
-{
- SET8R( 0x9C, to );
-}
-
-// setge r8
-void SETGE8R( x86IntRegType to ) { SET8R(0x9d, to); }
-// setg r8
-void SETG8R( x86IntRegType to ) { SET8R(0x9f, to); }
-// seta r8
-void SETA8R( x86IntRegType to ) { SET8R(0x97, to); }
-// setae r8
-void SETAE8R( x86IntRegType to ) { SET8R(0x99, to); }
-/* setb r8 */
-void SETB8R( x86IntRegType to ) { SET8R( 0x92, to ); }
-/* setb r8 */
-void SETNZ8R( x86IntRegType to ) { SET8R( 0x95, to ); }
-// setz r8
-void SETZ8R( x86IntRegType to ) { SET8R(0x94, to); }
-// sete r8
-void SETE8R( x86IntRegType to ) { SET8R(0x94, to); }
-
-/* push imm32 */
-void PUSH32I( u32 from )
-{
- //X86_64ASSERT(); //becomes sign extended in x86_64
- write8( 0x68 );
- write32( from );
-}
-
-#ifdef __x86_64__
-
-/* push r64 */
-void PUSH64R( x86IntRegType from )
-{
- RexB(0,from);
- //write8( 0x51 | from );
- write8( 0x50 | from );
-}
-
-/* push m64 */
-void PUSH64M( uptr from )
-{
- MEMADDR_OP(0, VAROP1(0xFF), false, 6, from, 0);
-}
-
-/* pop r64 */
-void POP64R( x86IntRegType from ) {
- RexB(0,from);
- //write8( 0x59 | from );
- write8( 0x58 | from );
-}
-
-void PUSHR(x86IntRegType from) { PUSH64R(from); }
-void POPR(x86IntRegType from) { POP64R(from); }
-
-#else
-
-/* push r32 */
-void PUSH32R( x86IntRegType from ) { write8( 0x50 | from ); }
-
-/* push m32 */
-void PUSH32M( uptr from )
-{
- MEMADDR_OP(0, VAROP1(0xFF), false, 6, from, 0);
-}
-
-/* pop r32 */
-void POP32R( x86IntRegType from ) { write8( 0x58 | from ); }
-
-/* pushad */
-void PUSHA32( void ) { write8( 0x60 ); }
-
-/* popad */
-void POPA32( void ) { write8( 0x61 ); }
-
-void PUSHR(x86IntRegType from) { PUSH32R(from); }
-void POPR(x86IntRegType from) { POP32R(from); }
-
-#endif
-
-
-/* pushfd */
-void PUSHFD( void ) { write8( 0x9C ); }
-/* popfd */
-void POPFD( void ) { write8( 0x9D ); }
-
-void RET( void ) { write8( 0xC3 ); }
-void RET2( void ) { write16( 0xc3f3 ); }
-
-void CBW( void ) { write16( 0x9866 ); }
-void CWD( void ) { write8( 0x98 ); }
-void CDQ( void ) { write8( 0x99 ); }
-void CWDE() { write8(0x98); }
-
-#ifdef __x86_64__
-void CDQE( void ) { RexR(1,0); write8( 0x98 ); }
-#endif
-
-void LAHF() { write8(0x9f); }
-void SAHF() { write8(0x9e); }
-
-void BT32ItoR( x86IntRegType to, x86IntRegType from )
-{
- write16( 0xBA0F );
- write8( 0xE0 | to );
- write8( from );
-}
-
-void BSRRtoR(x86IntRegType to, x86IntRegType from)
-{
- write16( 0xBD0F );
- ModRM( 3, from, to );
-}
-
-void BSWAP32R( x86IntRegType to )
-{
- write8( 0x0F );
- write8( 0xC8 + to );
-}
-
-// to = from + offset
-void LEA16RtoR(x86IntRegType to, x86IntRegType from, u16 offset)
-{
- write8(0x66);
- LEA32RtoR(to, from, offset);
-}
-
-void LEA32RtoR(x86IntRegType to, x86IntRegType from, u32 offset)
-{
- RexRB(0,to,from);
- write8(0x8d);
-
- if( (from&7) == ESP ) {
- if( offset == 0 ) {
- ModRM(1, to, from);
- write8(0x24);
- }
- else if( offset < 128 ) {
- ModRM(1, to, from);
- write8(0x24);
- write8(offset);
- }
- else {
- ModRM(2, to, from);
- write8(0x24);
- write32(offset);
- }
- }
- else {
- if( offset == 0 && from != EBP && from!=ESP ) {
- ModRM(0, to, from);
- }
- else if( offset < 128 ) {
- ModRM(1, to, from);
- write8(offset);
- }
- else {
- ModRM(2, to, from);
- write32(offset);
- }
- }
-}
-
-// to = from0 + from1
-void LEA16RRtoR(x86IntRegType to, x86IntRegType from0, x86IntRegType from1)
-{
- write8(0x66);
- LEA32RRtoR(to, from0, from1);
-}
-
-void LEA32RRtoR(x86IntRegType to, x86IntRegType from0, x86IntRegType from1)
-{
- RexRXB(0, to, from0, from1);
- write8(0x8d);
-
- if( (from1&7) == EBP ) {
- ModRM(1, to, 4);
- ModRM(0, from0, from1);
- write8(0);
- }
- else {
- ModRM(0, to, 4);
- ModRM(0, from0, from1);
- }
-}
-
-// to = from << scale (max is 3)
-void LEA16RStoR(x86IntRegType to, x86IntRegType from, u32 scale)
-{
- write8(0x66);
- LEA32RStoR(to, from, scale);
-}
-
-void LEA32RStoR(x86IntRegType to, x86IntRegType from, u32 scale)
-{
- if( to == from ) {
- SHL32ItoR(to, scale);
- return;
- }
-
- if( from != ESP ) {
- RexRXB(0,to,from,0);
- write8(0x8d);
- ModRM(0, to, 4);
- ModRM(scale, from, 5);
- write32(0);
- }
- else {
- assert( to != ESP );
- MOV32RtoR(to, from);
- LEA32RStoR(to, to, scale);
- }
-}
-
-#endif
notaz.gp2x.de / pcsx_rearmed.git / blobdiff