2013-11-30 00:22:31 +04:00
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/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2013 Stanislav Shwartsman
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// Written by Stanislav Shwartsman [sshwarts at sourceforge net]
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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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., 51 Franklin St, Fifth Floor, Boston, MA B 02110-1301 USA
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//
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/////////////////////////////////////////////////////////////////////////
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#define NEED_CPU_REG_SHORTCUTS 1
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#include "bochs.h"
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#include "cpu.h"
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#define LOG_THIS BX_CPU_THIS_PTR
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#if BX_SUPPORT_AVX
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void BX_CPU_C::avx_masked_load32(bxInstruction_c *i, bx_address eaddr, BxPackedAvxRegister *op, unsigned mask)
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{
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unsigned len = i->getVL();
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if (i->as64L()) {
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for (unsigned n=0; n < (4*len); n++) {
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if (mask & (1<<n)) {
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if (! IsCanonical(get_laddr64(i->seg(), eaddr + 4*n)))
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exception(int_number(i->seg()), 0);
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}
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}
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}
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#if BX_SUPPORT_ALIGNMENT_CHECK
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unsigned save_alignment_check_mask = BX_CPU_THIS_PTR alignment_check_mask;
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BX_CPU_THIS_PTR alignment_check_mask = 0;
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#endif
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for (int n=4*len-1; n >= 0; n--) {
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if (mask & (1<<n))
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op->vmm32u(n) = read_virtual_dword(i->seg(), eaddr + 4*n);
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else
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op->vmm32u(n) = 0;
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}
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#if BX_SUPPORT_ALIGNMENT_CHECK
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BX_CPU_THIS_PTR alignment_check_mask = save_alignment_check_mask;
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#endif
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}
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void BX_CPU_C::avx_masked_load64(bxInstruction_c *i, bx_address eaddr, BxPackedAvxRegister *op, unsigned mask)
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{
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unsigned len = i->getVL();
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if (i->as64L()) {
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for (unsigned n=0; n < (2*len); n++) {
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if (mask & (1<<n)) {
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if (! IsCanonical(get_laddr64(i->seg(), eaddr + 8*n)))
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exception(int_number(i->seg()), 0);
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}
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}
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}
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#if BX_SUPPORT_ALIGNMENT_CHECK
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unsigned save_alignment_check_mask = BX_CPU_THIS_PTR alignment_check_mask;
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BX_CPU_THIS_PTR alignment_check_mask = 0;
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#endif
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for (int n=2*len-1; n >= 0; n--) {
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if (mask & (1<<n))
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op->vmm64u(n) = read_virtual_qword(i->seg(), eaddr + 8*n);
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else
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op->vmm64u(n) = 0;
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}
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#if BX_SUPPORT_ALIGNMENT_CHECK
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BX_CPU_THIS_PTR alignment_check_mask = save_alignment_check_mask;
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#endif
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}
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void BX_CPU_C::avx_masked_store32(bxInstruction_c *i, bx_address eaddr, const BxPackedAvxRegister *op, unsigned mask)
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{
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unsigned len = i->getVL();
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#if BX_SUPPORT_X86_64
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if (i->as64L()) {
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for (unsigned n=0; n < (4*len); n++) {
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if (mask & (1<<n)) {
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if (! IsCanonical(get_laddr64(i->seg(), eaddr + 4*n)))
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exception(int_number(i->seg()), 0);
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}
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}
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}
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#endif
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#if BX_SUPPORT_ALIGNMENT_CHECK
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unsigned save_alignment_check_mask = BX_CPU_THIS_PTR alignment_check_mask;
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BX_CPU_THIS_PTR alignment_check_mask = 0;
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#endif
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// see you can successfully write all the elements first
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for (int n=4*len-1; n >= 0; n--) {
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if (mask & (1<<n))
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read_RMW_virtual_dword(i->seg(), eaddr + 4*n);
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}
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for (unsigned n=0; n < (4*len); n++) {
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if (mask & (1<<n))
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write_virtual_dword(i->seg(), eaddr + 4*n, op->vmm32u(n));
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}
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#if BX_SUPPORT_ALIGNMENT_CHECK
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BX_CPU_THIS_PTR alignment_check_mask = save_alignment_check_mask;
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#endif
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}
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void BX_CPU_C::avx_masked_store64(bxInstruction_c *i, bx_address eaddr, const BxPackedAvxRegister *op, unsigned mask)
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{
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unsigned len = i->getVL();
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#if BX_SUPPORT_X86_64
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if (i->as64L()) {
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for (unsigned n=0; n < (2*len); n++) {
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if (mask & (1<<n)) {
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if (! IsCanonical(get_laddr64(i->seg(), eaddr + 8*n)))
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exception(int_number(i->seg()), 0);
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}
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}
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}
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#endif
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#if BX_SUPPORT_ALIGNMENT_CHECK
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unsigned save_alignment_check_mask = BX_CPU_THIS_PTR alignment_check_mask;
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BX_CPU_THIS_PTR alignment_check_mask = 0;
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#endif
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// see you can successfully write all the elements first
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for (int n=2*len-1; n >= 0; n--) {
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if (mask & (1<<n))
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read_RMW_virtual_qword(i->seg(), eaddr + 8*n);
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}
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for (unsigned n=0; n < (2*len); n++) {
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if (mask & (1<<n))
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write_virtual_qword(i->seg(), eaddr + 8*n, op->vmm64u(n));
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}
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#if BX_SUPPORT_ALIGNMENT_CHECK
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BX_CPU_THIS_PTR alignment_check_mask = save_alignment_check_mask;
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#endif
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}
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#endif // BX_SUPPORT_AVX
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#if BX_SUPPORT_EVEX
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#include "simd_int.h"
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void BX_CPU_C::avx512_write_regd_masked(bxInstruction_c *i, const BxPackedAvxRegister *op, unsigned mask)
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{
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unsigned len = i->getVL();
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2013-12-03 21:41:13 +04:00
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BX_ASSERT(i->opmask() != 0);
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2013-11-30 00:22:31 +04:00
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if (i->isZeroMasking()) {
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for (unsigned n=0; n < len; n++, mask >>= 4)
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xmm_zero_blendps(&BX_READ_AVX_REG_LANE(i->dst(), n), &op->vmm128(n), mask);
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}
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else {
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for (unsigned n=0; n < len; n++, mask >>= 4)
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xmm_blendps(&BX_READ_AVX_REG_LANE(i->dst(), n), &op->vmm128(n), mask);
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}
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2013-12-03 19:44:23 +04:00
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BX_CLEAR_AVX_REGZ(i->dst(), len);
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2013-11-30 00:22:31 +04:00
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}
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void BX_CPU_C::avx512_write_regq_masked(bxInstruction_c *i, const BxPackedAvxRegister *op, unsigned mask)
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{
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unsigned len = i->getVL();
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2013-12-03 21:41:13 +04:00
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BX_ASSERT(i->opmask() != 0);
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2013-11-30 00:22:31 +04:00
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if (i->isZeroMasking()) {
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2013-12-02 22:05:18 +04:00
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for (unsigned n=0; n < len; n++, mask >>= 2)
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xmm_zero_blendpd(&BX_READ_AVX_REG_LANE(i->dst(), n), &op->vmm128(n), mask);
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2013-11-30 00:22:31 +04:00
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}
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else {
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2013-12-02 22:05:18 +04:00
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for (unsigned n=0; n < len; n++, mask >>= 2)
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xmm_blendpd(&BX_READ_AVX_REG_LANE(i->dst(), n), &op->vmm128(n), mask);
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2013-11-30 00:22:31 +04:00
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}
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BX_CLEAR_AVX_REGZ(i->dst(), len);
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}
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//////////////////////////
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// masked register move //
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//////////////////////////
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVAPS_MASK_VpsWpsR(bxInstruction_c *i)
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{
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BxPackedAvxRegister op = BX_READ_AVX_REG(i->src());
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avx512_write_regd_masked(i, &op, BX_READ_16BIT_OPMASK(i->opmask()));
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVAPD_MASK_VpdWpdR(bxInstruction_c *i)
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{
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BxPackedAvxRegister op = BX_READ_AVX_REG(i->src());
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avx512_write_regq_masked(i, &op, BX_READ_8BIT_OPMASK(i->opmask()));
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BX_NEXT_INSTR(i);
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}
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/////////////////////////////////
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// masked load/store - aligned //
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/////////////////////////////////
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVAPS_MASK_VpsWpsM(bxInstruction_c *i)
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{
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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bx_address laddr = get_laddr(i->seg(), eaddr);
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2013-11-30 22:37:25 +04:00
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unsigned len = i->getVL(), len_in_bytes = 16 * len;
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2013-11-30 00:22:31 +04:00
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if (laddr & (len_in_bytes-1)) {
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BX_ERROR(("AVX masked read len=%d: #GP misaligned access", len_in_bytes));
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exception(BX_GP_EXCEPTION, 0);
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}
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2013-11-30 22:37:25 +04:00
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BxPackedAvxRegister reg;
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unsigned mask = BX_READ_16BIT_OPMASK(i->opmask());
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avx_masked_load32(i, eaddr, ®, mask);
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if (i->isZeroMasking()) {
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BX_WRITE_AVX_REGZ(i->dst(), reg, len);
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}
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else {
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for (unsigned n=0; n < len; n++, mask >>= 4)
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xmm_blendps(&BX_READ_AVX_REG_LANE(i->dst(), n), ®.vmm128(n), mask);
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BX_CLEAR_AVX_REGZ(i->dst(), len);
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}
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2013-11-30 00:22:31 +04:00
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVAPD_MASK_VpdWpdM(bxInstruction_c *i)
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{
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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bx_address laddr = get_laddr(i->seg(), eaddr);
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2013-11-30 22:37:25 +04:00
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unsigned len = i->getVL(), len_in_bytes = 16 * len;
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2013-11-30 00:22:31 +04:00
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if (laddr & (len_in_bytes-1)) {
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BX_ERROR(("AVX masked read len=%d: #GP misaligned access", len_in_bytes));
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exception(BX_GP_EXCEPTION, 0);
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}
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2013-11-30 22:37:25 +04:00
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BxPackedAvxRegister reg;
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unsigned mask = BX_READ_8BIT_OPMASK(i->opmask());
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avx_masked_load64(i, eaddr, ®, mask);
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if (i->isZeroMasking()) {
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BX_WRITE_AVX_REGZ(i->dst(), reg, len);
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}
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else {
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for (unsigned n=0; n < len; n++, mask >>= 2)
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xmm_blendpd(&BX_READ_AVX_REG_LANE(i->dst(), n), ®.vmm128(n), mask);
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BX_CLEAR_AVX_REGZ(i->dst(), len);
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}
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2013-11-30 00:22:31 +04:00
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVAPS_MASK_WpsVpsM(bxInstruction_c *i)
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{
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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bx_address laddr = get_laddr(i->seg(), eaddr);
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unsigned len_in_bytes = 16 * i->getVL();
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if (laddr & (len_in_bytes-1)) {
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BX_ERROR(("AVX masked write len=%d: #GP misaligned access", len_in_bytes));
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exception(BX_GP_EXCEPTION, 0);
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}
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avx_masked_store32(i, eaddr, &BX_READ_AVX_REG(i->src()), BX_READ_16BIT_OPMASK(i->opmask()));
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVAPD_MASK_WpdVpdM(bxInstruction_c *i)
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{
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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bx_address laddr = get_laddr(i->seg(), eaddr);
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unsigned len_in_bytes = 16 * i->getVL();
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if (laddr & (len_in_bytes-1)) {
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BX_ERROR(("AVX masked write len=%d: #GP misaligned access", len_in_bytes));
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exception(BX_GP_EXCEPTION, 0);
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}
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avx_masked_store64(i, eaddr, &BX_READ_AVX_REG(i->src()), BX_READ_8BIT_OPMASK(i->opmask()));
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BX_NEXT_INSTR(i);
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}
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2013-12-01 23:39:18 +04:00
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//////////////////////////////
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// masked packed load/store //
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//////////////////////////////
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2013-11-30 00:22:31 +04:00
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVUPS_MASK_VpsWpsM(bxInstruction_c *i)
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{
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2013-11-30 22:37:25 +04:00
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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unsigned len = i->getVL();
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BxPackedAvxRegister reg;
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unsigned mask = BX_READ_16BIT_OPMASK(i->opmask());
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avx_masked_load32(i, eaddr, ®, mask);
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if (i->isZeroMasking()) {
|
|
|
|
BX_WRITE_AVX_REGZ(i->dst(), reg, len);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
for (unsigned n=0; n < len; n++, mask >>= 4)
|
|
|
|
xmm_blendps(&BX_READ_AVX_REG_LANE(i->dst(), n), ®.vmm128(n), mask);
|
|
|
|
|
|
|
|
BX_CLEAR_AVX_REGZ(i->dst(), len);
|
|
|
|
}
|
|
|
|
|
2013-11-30 00:22:31 +04:00
|
|
|
BX_NEXT_INSTR(i);
|
|
|
|
}
|
|
|
|
|
|
|
|
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVUPD_MASK_VpdWpdM(bxInstruction_c *i)
|
|
|
|
{
|
2013-11-30 22:37:25 +04:00
|
|
|
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
|
|
|
|
unsigned len = i->getVL();
|
|
|
|
|
|
|
|
BxPackedAvxRegister reg;
|
|
|
|
unsigned mask = BX_READ_8BIT_OPMASK(i->opmask());
|
|
|
|
avx_masked_load64(i, eaddr, ®, mask);
|
|
|
|
|
|
|
|
if (i->isZeroMasking()) {
|
|
|
|
BX_WRITE_AVX_REGZ(i->dst(), reg, len);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
for (unsigned n=0; n < len; n++, mask >>= 2)
|
|
|
|
xmm_blendpd(&BX_READ_AVX_REG_LANE(i->dst(), n), ®.vmm128(n), mask);
|
|
|
|
|
|
|
|
BX_CLEAR_AVX_REGZ(i->dst(), len);
|
|
|
|
}
|
|
|
|
|
2013-11-30 00:22:31 +04:00
|
|
|
BX_NEXT_INSTR(i);
|
|
|
|
}
|
|
|
|
|
|
|
|
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVUPS_MASK_WpsVpsM(bxInstruction_c *i)
|
|
|
|
{
|
|
|
|
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
|
|
|
|
avx_masked_store32(i, eaddr, &BX_READ_AVX_REG(i->src()), BX_READ_16BIT_OPMASK(i->opmask()));
|
|
|
|
BX_NEXT_INSTR(i);
|
|
|
|
}
|
|
|
|
|
|
|
|
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVUPD_MASK_WpdVpdM(bxInstruction_c *i)
|
|
|
|
{
|
|
|
|
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
|
|
|
|
avx_masked_store64(i, eaddr, &BX_READ_AVX_REG(i->src()), BX_READ_8BIT_OPMASK(i->opmask()));
|
|
|
|
BX_NEXT_INSTR(i);
|
|
|
|
}
|
|
|
|
|
2013-12-01 23:39:18 +04:00
|
|
|
//////////////////////////////
|
|
|
|
// masked scalar load/store //
|
|
|
|
//////////////////////////////
|
|
|
|
|
|
|
|
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVSD_MASK_VsdWsdM(bxInstruction_c *i)
|
|
|
|
{
|
|
|
|
BxPackedXmmRegister op;
|
|
|
|
|
|
|
|
op.xmm64u(1) = 0;
|
|
|
|
|
|
|
|
if (BX_SCALAR_ELEMENT_MASK(i->opmask())) {
|
|
|
|
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
|
|
|
|
op.xmm64u(0) = read_virtual_qword(i->seg(), eaddr);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
if (! i->isZeroMasking()) {
|
|
|
|
op.xmm64u(0) = BX_READ_XMM_REG_LO_QWORD(i->dst());
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
op.xmm64u(0) = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
BX_WRITE_XMM_REGZ(i->dst(), op, i->getVL());
|
|
|
|
BX_NEXT_INSTR(i);
|
|
|
|
}
|
|
|
|
|
|
|
|
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVSS_MASK_VssWssM(bxInstruction_c *i)
|
|
|
|
{
|
|
|
|
BxPackedXmmRegister op;
|
|
|
|
|
|
|
|
op.xmm64u(1) = 0;
|
|
|
|
|
|
|
|
if (BX_SCALAR_ELEMENT_MASK(i->opmask())) {
|
|
|
|
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
|
|
|
|
op.xmm64u(0) = (Bit64u) read_virtual_dword(i->seg(), eaddr);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
if (! i->isZeroMasking()) {
|
|
|
|
op.xmm64u(0) = (Bit64u) BX_READ_XMM_REG_LO_DWORD(i->dst());
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
op.xmm64u(0) = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
BX_WRITE_XMM_REGZ(i->dst(), op, i->getVL());
|
|
|
|
BX_NEXT_INSTR(i);
|
|
|
|
}
|
|
|
|
|
|
|
|
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVSD_MASK_WsdVsdM(bxInstruction_c *i)
|
|
|
|
{
|
|
|
|
if (BX_SCALAR_ELEMENT_MASK(i->opmask())) {
|
|
|
|
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
|
|
|
|
write_virtual_qword(i->seg(), eaddr, BX_READ_XMM_REG_LO_QWORD(i->src()));
|
|
|
|
}
|
|
|
|
|
|
|
|
BX_NEXT_INSTR(i);
|
|
|
|
}
|
|
|
|
|
|
|
|
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVSS_MASK_WssVssM(bxInstruction_c *i)
|
|
|
|
{
|
|
|
|
if (BX_SCALAR_ELEMENT_MASK(i->opmask())) {
|
|
|
|
bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
|
|
|
|
write_virtual_dword(i->seg(), eaddr, BX_READ_XMM_REG_LO_DWORD(i->src()));
|
|
|
|
}
|
|
|
|
|
|
|
|
BX_NEXT_INSTR(i);
|
|
|
|
}
|
|
|
|
|
|
|
|
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVSD_MASK_VsdHpdWsdR(bxInstruction_c *i)
|
|
|
|
{
|
|
|
|
BX_PANIC(("%s: instruction still not implemented", i->getIaOpcodeName()));
|
|
|
|
BX_NEXT_INSTR(i);
|
|
|
|
}
|
|
|
|
|
|
|
|
BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::VMOVSS_MASK_VssHpsWssR(bxInstruction_c *i)
|
|
|
|
{
|
|
|
|
BX_PANIC(("%s: instruction still not implemented", i->getIaOpcodeName()));
|
|
|
|
BX_NEXT_INSTR(i);
|
|
|
|
}
|
|
|
|
|
2013-11-30 00:22:31 +04:00
|
|
|
#endif
|