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/////////////////////////////////////////////////////////////////////////
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// $Id: bit64.cc,v 1.12 2008/05/10 18:10:52 sshwarts Exp $
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// $Id: bit64.cc,v 1.20 2009/01/16 18:18:58 sshwarts Exp $
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/////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2001 MandrakeSoft S.A.
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA B 02110-1301 USA
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/////////////////////////////////////////////////////////////////////////
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#define NEED_CPU_REG_SHORTCUTS 1
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#if BX_SUPPORT_X86_64
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::BSF_GqEq(bxInstruction_c *i)
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::BSF_GqEqR(bxInstruction_c *i)
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/* for 64 bit operand size mode */
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Bit64u op1_64, op2_64;
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/* op2_64 is a register or memory reference */
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op2_64 = BX_READ_64BIT_REG(i->rm());
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BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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/* pointer, segment address pair */
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op2_64 = read_virtual_qword_64(i->seg(), RMAddr(i));
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Bit64u op2_64 = BX_READ_64BIT_REG(i->rm());
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assert_ZF(); /* op1_64 undefined */
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while ((op2_64 & 0x01) == 0) {
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SET_FLAGS_OSZAPC_LOGIC_64(op1_64);
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/* now write result back to destination */
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BX_WRITE_64BIT_REG(i->nnn(), op1_64);
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while ((op2_64 & 0x01) == 0) {
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SET_FLAGS_OSZAPC_LOGIC_64(op1_64);
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/* now write result back to destination */
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BX_WRITE_64BIT_REG(i->nnn(), op1_64);
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::BSR_GqEq(bxInstruction_c *i)
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::BSR_GqEqR(bxInstruction_c *i)
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/* for 64 bit operand size mode */
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Bit64u op1_64, op2_64;
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/* op2_64 is a register or memory reference */
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op2_64 = BX_READ_64BIT_REG(i->rm());
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BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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/* pointer, segment address pair */
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op2_64 = read_virtual_qword_64(i->seg(), RMAddr(i));
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Bit64u op2_64 = BX_READ_64BIT_REG(i->rm());
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assert_ZF(); /* op1_64 undefined */
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while ((op2_64 & BX_CONST64(0x8000000000000000)) == 0) {
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SET_FLAGS_OSZAPC_LOGIC_64(op1_64);
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/* now write result back to destination */
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BX_WRITE_64BIT_REG(i->nnn(), op1_64);
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while ((op2_64 & BX_CONST64(0x8000000000000000)) == 0) {
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SET_FLAGS_OSZAPC_LOGIC_64(op1_64);
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/* now write result back to destination */
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BX_WRITE_64BIT_REG(i->nnn(), op1_64);
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::BT_EqGqM(bxInstruction_c *i)
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Bit64s displacement64;
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BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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op2_64 = BX_READ_64BIT_REG(i->nnn());
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index = op2_64 & 0x3f;
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displacement64 = ((Bit64s) (op2_64 & BX_CONST64(0xffffffffffffffc0))) / 64;
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op1_addr = RMAddr(i) + 8 * displacement64;
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op1_addr = eaddr + 8 * displacement64;
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op1_addr = (Bit32u) op1_addr;
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Bit64s displacement64;
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BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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op2_64 = BX_READ_64BIT_REG(i->nnn());
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index = op2_64 & 0x3f;
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displacement64 = ((Bit64s) (op2_64 & BX_CONST64(0xffffffffffffffc0))) / 64;
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op1_addr = RMAddr(i) + 8 * displacement64;
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op1_addr = eaddr + 8 * displacement64;
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if (! i->as64L())
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op1_addr = (Bit32u) op1_addr;
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Bit64u op1_64, op2_64, index;
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Bit64s displacement64;
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BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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op2_64 = BX_READ_64BIT_REG(i->nnn());
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index = op2_64 & 0x3f;
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displacement64 = ((Bit64s) (op2_64 & BX_CONST64(0xffffffffffffffc0))) / 64;
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op1_addr = RMAddr(i) + 8 * displacement64;
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op1_addr = eaddr + 8 * displacement64;
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if (! i->as64L())
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op1_addr = (Bit32u) op1_addr;
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Bit64s displacement64;
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BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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op2_64 = BX_READ_64BIT_REG(i->nnn());
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index = op2_64 & 0x3f;
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displacement64 = ((Bit64s) (op2_64 & BX_CONST64(0xffffffffffffffc0))) / 64;
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op1_addr = RMAddr(i) + 8 * displacement64;
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op1_addr = eaddr + 8 * displacement64;
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if (! i->as64L())
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op1_addr = (Bit32u) op1_addr;
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::BT_EqIbM(bxInstruction_c *i)
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BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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Bit64u op1_64 = read_virtual_qword_64(i->seg(), RMAddr(i));
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Bit64u op1_64 = read_virtual_qword_64(i->seg(), eaddr);
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Bit8u op2_8 = i->Ib() & 0x3f;
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set_CF((op1_64 >> op2_8) & 0x01);
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Bit8u op2_8 = i->Ib() & 0x3f;
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BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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Bit64u op1_64 = read_RMW_virtual_qword_64(i->seg(), RMAddr(i));
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Bit64u op1_64 = read_RMW_virtual_qword_64(i->seg(), eaddr);
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bx_bool temp_CF = (op1_64 >> op2_8) & 0x01;
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op1_64 |= (((Bit64u) 1) << op2_8);
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write_RMW_virtual_qword(op1_64);
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Bit8u op2_8 = i->Ib() & 0x3f;
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BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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Bit64u op1_64 = read_RMW_virtual_qword_64(i->seg(), RMAddr(i));
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Bit64u op1_64 = read_RMW_virtual_qword_64(i->seg(), eaddr);
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bx_bool temp_CF = (op1_64 >> op2_8) & 0x01;
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op1_64 ^= (((Bit64u) 1) << op2_8); /* toggle bit */
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write_RMW_virtual_qword(op1_64);
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Bit8u op2_8 = i->Ib() & 0x3f;
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BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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Bit64u op1_64 = read_RMW_virtual_qword_64(i->seg(), RMAddr(i));
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Bit64u op1_64 = read_RMW_virtual_qword_64(i->seg(), eaddr);
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bx_bool temp_CF = (op1_64 >> op2_8) & 0x01;
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op1_64 &= ~(((Bit64u) 1) << op2_8);
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write_RMW_virtual_qword(op1_64);
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::POPCNT_GqEq(bxInstruction_c *i)
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::POPCNT_GqEqR(bxInstruction_c *i)
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#if BX_SUPPORT_POPCNT || (BX_SUPPORT_SSE >= 5) || (BX_SUPPORT_SSE >= 4 && BX_SUPPORT_SSE_EXTENSION > 0)
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Bit64u op1_64, op2_64;
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/* op2_16 is a register or memory reference */
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op2_64 = BX_READ_64BIT_REG(i->rm());
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BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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/* pointer, segment address pair */
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op2_64 = read_virtual_qword_64(i->seg(), RMAddr(i));
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#if BX_SUPPORT_POPCNT || (BX_SUPPORT_SSE > 4) || (BX_SUPPORT_SSE >= 4 && BX_SUPPORT_SSE_EXTENSION > 0)
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Bit64u op2_64 = BX_READ_64BIT_REG(i->rm());
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while (op2_64 != 0) {
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if (op2_64 & 1) op1_64++;