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/*
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* i386 micro operations
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*
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* Copyright (c) 2003 Fabrice Bellard
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define ASM_SOFTMMU
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#include "exec.h" |
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/* n must be a constant to be efficient */
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static inline target_long lshift(target_long x, int n) |
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{ |
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if (n >= 0) |
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return x << n;
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else
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return x >> (-n);
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} |
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/* we define the various pieces of code used by the JIT */
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#define REG EAX
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#define REGNAME _EAX
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG ECX
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#define REGNAME _ECX
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG EDX
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#define REGNAME _EDX
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG EBX
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#define REGNAME _EBX
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG ESP
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#define REGNAME _ESP
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG EBP
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#define REGNAME _EBP
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG ESI
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#define REGNAME _ESI
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG EDI
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#define REGNAME _EDI
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#ifdef TARGET_X86_64
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#define REG (env->regs[8]) |
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#define REGNAME _R8
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG (env->regs[9]) |
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#define REGNAME _R9
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG (env->regs[10]) |
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#define REGNAME _R10
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG (env->regs[11]) |
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#define REGNAME _R11
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG (env->regs[12]) |
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#define REGNAME _R12
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG (env->regs[13]) |
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#define REGNAME _R13
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG (env->regs[14]) |
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#define REGNAME _R14
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#define REG (env->regs[15]) |
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#define REGNAME _R15
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#include "opreg_template.h" |
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#undef REG
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#undef REGNAME
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#endif
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/* operations with flags */
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/* update flags with T0 and T1 (add/sub case) */
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void OPPROTO op_update2_cc(void) |
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{ |
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CC_SRC = T1; |
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CC_DST = T0; |
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} |
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/* update flags with T0 (logic operation case) */
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void OPPROTO op_update1_cc(void) |
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{ |
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CC_DST = T0; |
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} |
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void OPPROTO op_update_neg_cc(void) |
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{ |
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CC_SRC = -T0; |
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CC_DST = T0; |
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} |
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void OPPROTO op_cmpl_T0_T1_cc(void) |
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{ |
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CC_SRC = T1; |
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CC_DST = T0 - T1; |
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} |
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void OPPROTO op_update_inc_cc(void) |
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{ |
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CC_SRC = cc_table[CC_OP].compute_c(); |
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CC_DST = T0; |
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} |
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void OPPROTO op_testl_T0_T1_cc(void) |
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{ |
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CC_DST = T0 & T1; |
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} |
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/* operations without flags */
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void OPPROTO op_addl_T0_T1(void) |
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{ |
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T0 += T1; |
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} |
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void OPPROTO op_orl_T0_T1(void) |
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{ |
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T0 |= T1; |
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} |
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void OPPROTO op_andl_T0_T1(void) |
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{ |
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T0 &= T1; |
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} |
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void OPPROTO op_subl_T0_T1(void) |
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{ |
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T0 -= T1; |
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} |
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void OPPROTO op_xorl_T0_T1(void) |
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{ |
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T0 ^= T1; |
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} |
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void OPPROTO op_negl_T0(void) |
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{ |
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T0 = -T0; |
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} |
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void OPPROTO op_incl_T0(void) |
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{ |
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T0++; |
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} |
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void OPPROTO op_decl_T0(void) |
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{ |
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T0--; |
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} |
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void OPPROTO op_notl_T0(void) |
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{ |
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T0 = ~T0; |
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} |
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void OPPROTO op_bswapl_T0(void) |
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{ |
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T0 = bswap32(T0); |
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} |
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#ifdef TARGET_X86_64
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void OPPROTO op_bswapq_T0(void) |
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{ |
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T0 = bswap64(T0); |
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} |
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#endif
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/* multiply/divide */
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/* XXX: add eflags optimizations */
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/* XXX: add non P4 style flags */
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void OPPROTO op_mulb_AL_T0(void) |
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{ |
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unsigned int res; |
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res = (uint8_t)EAX * (uint8_t)T0; |
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EAX = (EAX & ~0xffff) | res;
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CC_DST = res; |
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CC_SRC = (res & 0xff00);
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} |
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void OPPROTO op_imulb_AL_T0(void) |
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{ |
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int res;
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res = (int8_t)EAX * (int8_t)T0; |
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EAX = (EAX & ~0xffff) | (res & 0xffff); |
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CC_DST = res; |
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CC_SRC = (res != (int8_t)res); |
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} |
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void OPPROTO op_mulw_AX_T0(void) |
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{ |
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unsigned int res; |
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res = (uint16_t)EAX * (uint16_t)T0; |
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EAX = (EAX & ~0xffff) | (res & 0xffff); |
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EDX = (EDX & ~0xffff) | ((res >> 16) & 0xffff); |
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CC_DST = res; |
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CC_SRC = res >> 16;
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} |
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void OPPROTO op_imulw_AX_T0(void) |
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{ |
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int res;
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res = (int16_t)EAX * (int16_t)T0; |
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EAX = (EAX & ~0xffff) | (res & 0xffff); |
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EDX = (EDX & ~0xffff) | ((res >> 16) & 0xffff); |
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CC_DST = res; |
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CC_SRC = (res != (int16_t)res); |
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} |
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void OPPROTO op_mull_EAX_T0(void) |
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{ |
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uint64_t res; |
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res = (uint64_t)((uint32_t)EAX) * (uint64_t)((uint32_t)T0); |
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EAX = (uint32_t)res; |
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EDX = (uint32_t)(res >> 32);
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CC_DST = (uint32_t)res; |
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CC_SRC = (uint32_t)(res >> 32);
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} |
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void OPPROTO op_imull_EAX_T0(void) |
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{ |
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int64_t res; |
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res = (int64_t)((int32_t)EAX) * (int64_t)((int32_t)T0); |
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EAX = res; |
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EDX = res >> 32;
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CC_DST = res; |
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CC_SRC = (res != (int32_t)res); |
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} |
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void OPPROTO op_imulw_T0_T1(void) |
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{ |
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int res;
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res = (int16_t)T0 * (int16_t)T1; |
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T0 = res; |
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CC_DST = res; |
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CC_SRC = (res != (int16_t)res); |
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} |
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void OPPROTO op_imull_T0_T1(void) |
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{ |
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int64_t res; |
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res = (int64_t)((int32_t)T0) * (int64_t)((int32_t)T1); |
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T0 = res; |
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CC_DST = res; |
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CC_SRC = (res != (int32_t)res); |
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} |
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#ifdef TARGET_X86_64
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void OPPROTO op_mulq_EAX_T0(void) |
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{ |
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helper_mulq_EAX_T0(); |
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} |
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void OPPROTO op_imulq_EAX_T0(void) |
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{ |
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helper_imulq_EAX_T0(); |
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} |
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void OPPROTO op_imulq_T0_T1(void) |
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{ |
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helper_imulq_T0_T1(); |
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} |
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#endif
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/* division, flags are undefined */
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/* XXX: add exceptions for overflow */
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void OPPROTO op_divb_AL_T0(void) |
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{ |
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unsigned int num, den, q, r; |
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num = (EAX & 0xffff);
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den = (T0 & 0xff);
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if (den == 0) { |
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raise_exception(EXCP00_DIVZ); |
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} |
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q = (num / den) & 0xff;
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r = (num % den) & 0xff;
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EAX = (EAX & ~0xffff) | (r << 8) | q; |
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} |
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void OPPROTO op_idivb_AL_T0(void) |
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{ |
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int num, den, q, r;
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num = (int16_t)EAX; |
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den = (int8_t)T0; |
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if (den == 0) { |
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raise_exception(EXCP00_DIVZ); |
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} |
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q = (num / den) & 0xff;
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r = (num % den) & 0xff;
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EAX = (EAX & ~0xffff) | (r << 8) | q; |
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} |
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void OPPROTO op_divw_AX_T0(void) |
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{ |
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unsigned int num, den, q, r; |
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num = (EAX & 0xffff) | ((EDX & 0xffff) << 16); |
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den = (T0 & 0xffff);
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if (den == 0) { |
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raise_exception(EXCP00_DIVZ); |
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} |
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q = (num / den) & 0xffff;
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r = (num % den) & 0xffff;
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EAX = (EAX & ~0xffff) | q;
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EDX = (EDX & ~0xffff) | r;
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} |
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void OPPROTO op_idivw_AX_T0(void) |
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{ |
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int num, den, q, r;
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num = (EAX & 0xffff) | ((EDX & 0xffff) << 16); |
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den = (int16_t)T0; |
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if (den == 0) { |
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raise_exception(EXCP00_DIVZ); |
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} |
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q = (num / den) & 0xffff;
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r = (num % den) & 0xffff;
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EAX = (EAX & ~0xffff) | q;
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EDX = (EDX & ~0xffff) | r;
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} |
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void OPPROTO op_divl_EAX_T0(void) |
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{ |
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helper_divl_EAX_T0(); |
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} |
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void OPPROTO op_idivl_EAX_T0(void) |
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{ |
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helper_idivl_EAX_T0(); |
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} |
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#ifdef TARGET_X86_64
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void OPPROTO op_divq_EAX_T0(void) |
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{ |
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helper_divq_EAX_T0(); |
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} |
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void OPPROTO op_idivq_EAX_T0(void) |
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{ |
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helper_idivq_EAX_T0(); |
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} |
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#endif
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/* constant load & misc op */
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/* XXX: consistent names */
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void OPPROTO op_movl_T0_imu(void) |
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{ |
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T0 = (uint32_t)PARAM1; |
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} |
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void OPPROTO op_movl_T0_im(void) |
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{ |
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T0 = (int32_t)PARAM1; |
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} |
425 |
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void OPPROTO op_addl_T0_im(void) |
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{ |
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T0 += PARAM1; |
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} |
430 |
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void OPPROTO op_andl_T0_ffff(void) |
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{ |
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T0 = T0 & 0xffff;
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} |
435 |
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void OPPROTO op_andl_T0_im(void) |
437 |
{ |
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T0 = T0 & PARAM1; |
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} |
440 |
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void OPPROTO op_movl_T0_T1(void) |
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{ |
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T0 = T1; |
444 |
} |
445 |
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void OPPROTO op_movl_T1_imu(void) |
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{ |
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T1 = (uint32_t)PARAM1; |
449 |
} |
450 |
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void OPPROTO op_movl_T1_im(void) |
452 |
{ |
453 |
T1 = (int32_t)PARAM1; |
454 |
} |
455 |
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456 |
void OPPROTO op_addl_T1_im(void) |
457 |
{ |
458 |
T1 += PARAM1; |
459 |
} |
460 |
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void OPPROTO op_movl_T1_A0(void) |
462 |
{ |
463 |
T1 = A0; |
464 |
} |
465 |
|
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void OPPROTO op_movl_A0_im(void) |
467 |
{ |
468 |
A0 = (uint32_t)PARAM1; |
469 |
} |
470 |
|
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void OPPROTO op_addl_A0_im(void) |
472 |
{ |
473 |
A0 = (uint32_t)(A0 + PARAM1); |
474 |
} |
475 |
|
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void OPPROTO op_movl_A0_seg(void) |
477 |
{ |
478 |
A0 = (uint32_t)*(target_ulong *)((char *)env + PARAM1);
|
479 |
} |
480 |
|
481 |
void OPPROTO op_addl_A0_seg(void) |
482 |
{ |
483 |
A0 = (uint32_t)(A0 + *(target_ulong *)((char *)env + PARAM1));
|
484 |
} |
485 |
|
486 |
void OPPROTO op_addl_A0_AL(void) |
487 |
{ |
488 |
A0 = (uint32_t)(A0 + (EAX & 0xff));
|
489 |
} |
490 |
|
491 |
#ifdef WORDS_BIGENDIAN
|
492 |
typedef union UREG64 { |
493 |
struct { uint16_t v3, v2, v1, v0; } w;
|
494 |
struct { uint32_t v1, v0; } l;
|
495 |
uint64_t q; |
496 |
} UREG64; |
497 |
#else
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498 |
typedef union UREG64 { |
499 |
struct { uint16_t v0, v1, v2, v3; } w;
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500 |
struct { uint32_t v0, v1; } l;
|
501 |
uint64_t q; |
502 |
} UREG64; |
503 |
#endif
|
504 |
|
505 |
#ifdef TARGET_X86_64
|
506 |
|
507 |
#define PARAMQ1 \
|
508 |
({\ |
509 |
UREG64 __p;\ |
510 |
__p.l.v1 = PARAM1;\ |
511 |
__p.l.v0 = PARAM2;\ |
512 |
__p.q;\ |
513 |
}) |
514 |
|
515 |
void OPPROTO op_movq_T0_im64(void) |
516 |
{ |
517 |
T0 = PARAMQ1; |
518 |
} |
519 |
|
520 |
void OPPROTO op_movq_A0_im(void) |
521 |
{ |
522 |
A0 = (int32_t)PARAM1; |
523 |
} |
524 |
|
525 |
void OPPROTO op_movq_A0_im64(void) |
526 |
{ |
527 |
A0 = PARAMQ1; |
528 |
} |
529 |
|
530 |
void OPPROTO op_addq_A0_im(void) |
531 |
{ |
532 |
A0 = (A0 + (int32_t)PARAM1); |
533 |
} |
534 |
|
535 |
void OPPROTO op_addq_A0_im64(void) |
536 |
{ |
537 |
A0 = (A0 + PARAMQ1); |
538 |
} |
539 |
|
540 |
void OPPROTO op_movq_A0_seg(void) |
541 |
{ |
542 |
A0 = *(target_ulong *)((char *)env + PARAM1);
|
543 |
} |
544 |
|
545 |
void OPPROTO op_addq_A0_seg(void) |
546 |
{ |
547 |
A0 += *(target_ulong *)((char *)env + PARAM1);
|
548 |
} |
549 |
|
550 |
void OPPROTO op_addq_A0_AL(void) |
551 |
{ |
552 |
A0 = (A0 + (EAX & 0xff));
|
553 |
} |
554 |
|
555 |
#endif
|
556 |
|
557 |
void OPPROTO op_andl_A0_ffff(void) |
558 |
{ |
559 |
A0 = A0 & 0xffff;
|
560 |
} |
561 |
|
562 |
/* memory access */
|
563 |
|
564 |
#define MEMSUFFIX _raw
|
565 |
#include "ops_mem.h" |
566 |
|
567 |
#if !defined(CONFIG_USER_ONLY)
|
568 |
#define MEMSUFFIX _kernel
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#include "ops_mem.h" |
570 |
|
571 |
#define MEMSUFFIX _user
|
572 |
#include "ops_mem.h" |
573 |
#endif
|
574 |
|
575 |
/* indirect jump */
|
576 |
|
577 |
void OPPROTO op_jmp_T0(void) |
578 |
{ |
579 |
EIP = T0; |
580 |
} |
581 |
|
582 |
void OPPROTO op_movl_eip_im(void) |
583 |
{ |
584 |
EIP = (uint32_t)PARAM1; |
585 |
} |
586 |
|
587 |
#ifdef TARGET_X86_64
|
588 |
void OPPROTO op_movq_eip_im(void) |
589 |
{ |
590 |
EIP = (int32_t)PARAM1; |
591 |
} |
592 |
|
593 |
void OPPROTO op_movq_eip_im64(void) |
594 |
{ |
595 |
EIP = PARAMQ1; |
596 |
} |
597 |
#endif
|
598 |
|
599 |
void OPPROTO op_hlt(void) |
600 |
{ |
601 |
env->hflags &= ~HF_INHIBIT_IRQ_MASK; /* needed if sti is just before */
|
602 |
env->exception_index = EXCP_HLT; |
603 |
cpu_loop_exit(); |
604 |
} |
605 |
|
606 |
void OPPROTO op_debug(void) |
607 |
{ |
608 |
env->exception_index = EXCP_DEBUG; |
609 |
cpu_loop_exit(); |
610 |
} |
611 |
|
612 |
void OPPROTO op_raise_interrupt(void) |
613 |
{ |
614 |
int intno, next_eip_addend;
|
615 |
intno = PARAM1; |
616 |
next_eip_addend = PARAM2; |
617 |
raise_interrupt(intno, 1, 0, next_eip_addend); |
618 |
} |
619 |
|
620 |
void OPPROTO op_raise_exception(void) |
621 |
{ |
622 |
int exception_index;
|
623 |
exception_index = PARAM1; |
624 |
raise_exception(exception_index); |
625 |
} |
626 |
|
627 |
void OPPROTO op_into(void) |
628 |
{ |
629 |
int eflags;
|
630 |
eflags = cc_table[CC_OP].compute_all(); |
631 |
if (eflags & CC_O) {
|
632 |
raise_interrupt(EXCP04_INTO, 1, 0, PARAM1); |
633 |
} |
634 |
FORCE_RET(); |
635 |
} |
636 |
|
637 |
void OPPROTO op_cli(void) |
638 |
{ |
639 |
env->eflags &= ~IF_MASK; |
640 |
} |
641 |
|
642 |
void OPPROTO op_sti(void) |
643 |
{ |
644 |
env->eflags |= IF_MASK; |
645 |
} |
646 |
|
647 |
void OPPROTO op_set_inhibit_irq(void) |
648 |
{ |
649 |
env->hflags |= HF_INHIBIT_IRQ_MASK; |
650 |
} |
651 |
|
652 |
void OPPROTO op_reset_inhibit_irq(void) |
653 |
{ |
654 |
env->hflags &= ~HF_INHIBIT_IRQ_MASK; |
655 |
} |
656 |
|
657 |
#if 0
|
658 |
/* vm86plus instructions */
|
659 |
void OPPROTO op_cli_vm(void)
|
660 |
{
|
661 |
env->eflags &= ~VIF_MASK;
|
662 |
}
|
663 |
|
664 |
void OPPROTO op_sti_vm(void)
|
665 |
{
|
666 |
env->eflags |= VIF_MASK;
|
667 |
if (env->eflags & VIP_MASK) {
|
668 |
EIP = PARAM1;
|
669 |
raise_exception(EXCP0D_GPF);
|
670 |
}
|
671 |
FORCE_RET();
|
672 |
}
|
673 |
#endif
|
674 |
|
675 |
void OPPROTO op_boundw(void) |
676 |
{ |
677 |
int low, high, v;
|
678 |
low = ldsw(A0); |
679 |
high = ldsw(A0 + 2);
|
680 |
v = (int16_t)T0; |
681 |
if (v < low || v > high) {
|
682 |
raise_exception(EXCP05_BOUND); |
683 |
} |
684 |
FORCE_RET(); |
685 |
} |
686 |
|
687 |
void OPPROTO op_boundl(void) |
688 |
{ |
689 |
int low, high, v;
|
690 |
low = ldl(A0); |
691 |
high = ldl(A0 + 4);
|
692 |
v = T0; |
693 |
if (v < low || v > high) {
|
694 |
raise_exception(EXCP05_BOUND); |
695 |
} |
696 |
FORCE_RET(); |
697 |
} |
698 |
|
699 |
void OPPROTO op_cmpxchg8b(void) |
700 |
{ |
701 |
helper_cmpxchg8b(); |
702 |
} |
703 |
|
704 |
void OPPROTO op_movl_T0_0(void) |
705 |
{ |
706 |
T0 = 0;
|
707 |
} |
708 |
|
709 |
void OPPROTO op_exit_tb(void) |
710 |
{ |
711 |
EXIT_TB(); |
712 |
} |
713 |
|
714 |
/* multiple size ops */
|
715 |
|
716 |
#define ldul ldl
|
717 |
|
718 |
#define SHIFT 0 |
719 |
#include "ops_template.h" |
720 |
#undef SHIFT
|
721 |
|
722 |
#define SHIFT 1 |
723 |
#include "ops_template.h" |
724 |
#undef SHIFT
|
725 |
|
726 |
#define SHIFT 2 |
727 |
#include "ops_template.h" |
728 |
#undef SHIFT
|
729 |
|
730 |
#ifdef TARGET_X86_64
|
731 |
|
732 |
#define SHIFT 3 |
733 |
#include "ops_template.h" |
734 |
#undef SHIFT
|
735 |
|
736 |
#endif
|
737 |
|
738 |
/* sign extend */
|
739 |
|
740 |
void OPPROTO op_movsbl_T0_T0(void) |
741 |
{ |
742 |
T0 = (int8_t)T0; |
743 |
} |
744 |
|
745 |
void OPPROTO op_movzbl_T0_T0(void) |
746 |
{ |
747 |
T0 = (uint8_t)T0; |
748 |
} |
749 |
|
750 |
void OPPROTO op_movswl_T0_T0(void) |
751 |
{ |
752 |
T0 = (int16_t)T0; |
753 |
} |
754 |
|
755 |
void OPPROTO op_movzwl_T0_T0(void) |
756 |
{ |
757 |
T0 = (uint16_t)T0; |
758 |
} |
759 |
|
760 |
void OPPROTO op_movswl_EAX_AX(void) |
761 |
{ |
762 |
EAX = (int16_t)EAX; |
763 |
} |
764 |
|
765 |
#ifdef TARGET_X86_64
|
766 |
void OPPROTO op_movslq_T0_T0(void) |
767 |
{ |
768 |
T0 = (int32_t)T0; |
769 |
} |
770 |
|
771 |
void OPPROTO op_movslq_RAX_EAX(void) |
772 |
{ |
773 |
EAX = (int32_t)EAX; |
774 |
} |
775 |
#endif
|
776 |
|
777 |
void OPPROTO op_movsbw_AX_AL(void) |
778 |
{ |
779 |
EAX = (EAX & ~0xffff) | ((int8_t)EAX & 0xffff); |
780 |
} |
781 |
|
782 |
void OPPROTO op_movslq_EDX_EAX(void) |
783 |
{ |
784 |
EDX = (int32_t)EAX >> 31;
|
785 |
} |
786 |
|
787 |
void OPPROTO op_movswl_DX_AX(void) |
788 |
{ |
789 |
EDX = (EDX & ~0xffff) | (((int16_t)EAX >> 15) & 0xffff); |
790 |
} |
791 |
|
792 |
#ifdef TARGET_X86_64
|
793 |
void OPPROTO op_movsqo_RDX_RAX(void) |
794 |
{ |
795 |
EDX = (int64_t)EAX >> 63;
|
796 |
} |
797 |
#endif
|
798 |
|
799 |
/* string ops helpers */
|
800 |
|
801 |
void OPPROTO op_addl_ESI_T0(void) |
802 |
{ |
803 |
ESI = (uint32_t)(ESI + T0); |
804 |
} |
805 |
|
806 |
void OPPROTO op_addw_ESI_T0(void) |
807 |
{ |
808 |
ESI = (ESI & ~0xffff) | ((ESI + T0) & 0xffff); |
809 |
} |
810 |
|
811 |
void OPPROTO op_addl_EDI_T0(void) |
812 |
{ |
813 |
EDI = (uint32_t)(EDI + T0); |
814 |
} |
815 |
|
816 |
void OPPROTO op_addw_EDI_T0(void) |
817 |
{ |
818 |
EDI = (EDI & ~0xffff) | ((EDI + T0) & 0xffff); |
819 |
} |
820 |
|
821 |
void OPPROTO op_decl_ECX(void) |
822 |
{ |
823 |
ECX = (uint32_t)(ECX - 1);
|
824 |
} |
825 |
|
826 |
void OPPROTO op_decw_ECX(void) |
827 |
{ |
828 |
ECX = (ECX & ~0xffff) | ((ECX - 1) & 0xffff); |
829 |
} |
830 |
|
831 |
#ifdef TARGET_X86_64
|
832 |
void OPPROTO op_addq_ESI_T0(void) |
833 |
{ |
834 |
ESI = (ESI + T0); |
835 |
} |
836 |
|
837 |
void OPPROTO op_addq_EDI_T0(void) |
838 |
{ |
839 |
EDI = (EDI + T0); |
840 |
} |
841 |
|
842 |
void OPPROTO op_decq_ECX(void) |
843 |
{ |
844 |
ECX--; |
845 |
} |
846 |
#endif
|
847 |
|
848 |
/* push/pop utils */
|
849 |
|
850 |
void op_addl_A0_SS(void) |
851 |
{ |
852 |
A0 += (long)env->segs[R_SS].base;
|
853 |
} |
854 |
|
855 |
void op_subl_A0_2(void) |
856 |
{ |
857 |
A0 = (uint32_t)(A0 - 2);
|
858 |
} |
859 |
|
860 |
void op_subl_A0_4(void) |
861 |
{ |
862 |
A0 = (uint32_t)(A0 - 4);
|
863 |
} |
864 |
|
865 |
void op_addl_ESP_4(void) |
866 |
{ |
867 |
ESP = (uint32_t)(ESP + 4);
|
868 |
} |
869 |
|
870 |
void op_addl_ESP_2(void) |
871 |
{ |
872 |
ESP = (uint32_t)(ESP + 2);
|
873 |
} |
874 |
|
875 |
void op_addw_ESP_4(void) |
876 |
{ |
877 |
ESP = (ESP & ~0xffff) | ((ESP + 4) & 0xffff); |
878 |
} |
879 |
|
880 |
void op_addw_ESP_2(void) |
881 |
{ |
882 |
ESP = (ESP & ~0xffff) | ((ESP + 2) & 0xffff); |
883 |
} |
884 |
|
885 |
void op_addl_ESP_im(void) |
886 |
{ |
887 |
ESP = (uint32_t)(ESP + PARAM1); |
888 |
} |
889 |
|
890 |
void op_addw_ESP_im(void) |
891 |
{ |
892 |
ESP = (ESP & ~0xffff) | ((ESP + PARAM1) & 0xffff); |
893 |
} |
894 |
|
895 |
#ifdef TARGET_X86_64
|
896 |
void op_subq_A0_8(void) |
897 |
{ |
898 |
A0 -= 8;
|
899 |
} |
900 |
|
901 |
void op_addq_ESP_8(void) |
902 |
{ |
903 |
ESP += 8;
|
904 |
} |
905 |
|
906 |
void op_addq_ESP_im(void) |
907 |
{ |
908 |
ESP += PARAM1; |
909 |
} |
910 |
#endif
|
911 |
|
912 |
void OPPROTO op_rdtsc(void) |
913 |
{ |
914 |
helper_rdtsc(); |
915 |
} |
916 |
|
917 |
void OPPROTO op_cpuid(void) |
918 |
{ |
919 |
helper_cpuid(); |
920 |
} |
921 |
|
922 |
void OPPROTO op_enter_level(void) |
923 |
{ |
924 |
helper_enter_level(PARAM1, PARAM2); |
925 |
} |
926 |
|
927 |
void OPPROTO op_sysenter(void) |
928 |
{ |
929 |
helper_sysenter(); |
930 |
} |
931 |
|
932 |
void OPPROTO op_sysexit(void) |
933 |
{ |
934 |
helper_sysexit(); |
935 |
} |
936 |
|
937 |
#ifdef TARGET_X86_64
|
938 |
void OPPROTO op_syscall(void) |
939 |
{ |
940 |
helper_syscall(PARAM1); |
941 |
} |
942 |
|
943 |
void OPPROTO op_sysret(void) |
944 |
{ |
945 |
helper_sysret(PARAM1); |
946 |
} |
947 |
#endif
|
948 |
|
949 |
void OPPROTO op_rdmsr(void) |
950 |
{ |
951 |
helper_rdmsr(); |
952 |
} |
953 |
|
954 |
void OPPROTO op_wrmsr(void) |
955 |
{ |
956 |
helper_wrmsr(); |
957 |
} |
958 |
|
959 |
/* bcd */
|
960 |
|
961 |
/* XXX: exception */
|
962 |
void OPPROTO op_aam(void) |
963 |
{ |
964 |
int base = PARAM1;
|
965 |
int al, ah;
|
966 |
al = EAX & 0xff;
|
967 |
ah = al / base; |
968 |
al = al % base; |
969 |
EAX = (EAX & ~0xffff) | al | (ah << 8); |
970 |
CC_DST = al; |
971 |
} |
972 |
|
973 |
void OPPROTO op_aad(void) |
974 |
{ |
975 |
int base = PARAM1;
|
976 |
int al, ah;
|
977 |
al = EAX & 0xff;
|
978 |
ah = (EAX >> 8) & 0xff; |
979 |
al = ((ah * base) + al) & 0xff;
|
980 |
EAX = (EAX & ~0xffff) | al;
|
981 |
CC_DST = al; |
982 |
} |
983 |
|
984 |
void OPPROTO op_aaa(void) |
985 |
{ |
986 |
int icarry;
|
987 |
int al, ah, af;
|
988 |
int eflags;
|
989 |
|
990 |
eflags = cc_table[CC_OP].compute_all(); |
991 |
af = eflags & CC_A; |
992 |
al = EAX & 0xff;
|
993 |
ah = (EAX >> 8) & 0xff; |
994 |
|
995 |
icarry = (al > 0xf9);
|
996 |
if (((al & 0x0f) > 9 ) || af) { |
997 |
al = (al + 6) & 0x0f; |
998 |
ah = (ah + 1 + icarry) & 0xff; |
999 |
eflags |= CC_C | CC_A; |
1000 |
} else {
|
1001 |
eflags &= ~(CC_C | CC_A); |
1002 |
al &= 0x0f;
|
1003 |
} |
1004 |
EAX = (EAX & ~0xffff) | al | (ah << 8); |
1005 |
CC_SRC = eflags; |
1006 |
} |
1007 |
|
1008 |
void OPPROTO op_aas(void) |
1009 |
{ |
1010 |
int icarry;
|
1011 |
int al, ah, af;
|
1012 |
int eflags;
|
1013 |
|
1014 |
eflags = cc_table[CC_OP].compute_all(); |
1015 |
af = eflags & CC_A; |
1016 |
al = EAX & 0xff;
|
1017 |
ah = (EAX >> 8) & 0xff; |
1018 |
|
1019 |
icarry = (al < 6);
|
1020 |
if (((al & 0x0f) > 9 ) || af) { |
1021 |
al = (al - 6) & 0x0f; |
1022 |
ah = (ah - 1 - icarry) & 0xff; |
1023 |
eflags |= CC_C | CC_A; |
1024 |
} else {
|
1025 |
eflags &= ~(CC_C | CC_A); |
1026 |
al &= 0x0f;
|
1027 |
} |
1028 |
EAX = (EAX & ~0xffff) | al | (ah << 8); |
1029 |
CC_SRC = eflags; |
1030 |
} |
1031 |
|
1032 |
void OPPROTO op_daa(void) |
1033 |
{ |
1034 |
int al, af, cf;
|
1035 |
int eflags;
|
1036 |
|
1037 |
eflags = cc_table[CC_OP].compute_all(); |
1038 |
cf = eflags & CC_C; |
1039 |
af = eflags & CC_A; |
1040 |
al = EAX & 0xff;
|
1041 |
|
1042 |
eflags = 0;
|
1043 |
if (((al & 0x0f) > 9 ) || af) { |
1044 |
al = (al + 6) & 0xff; |
1045 |
eflags |= CC_A; |
1046 |
} |
1047 |
if ((al > 0x9f) || cf) { |
1048 |
al = (al + 0x60) & 0xff; |
1049 |
eflags |= CC_C; |
1050 |
} |
1051 |
EAX = (EAX & ~0xff) | al;
|
1052 |
/* well, speed is not an issue here, so we compute the flags by hand */
|
1053 |
eflags |= (al == 0) << 6; /* zf */ |
1054 |
eflags |= parity_table[al]; /* pf */
|
1055 |
eflags |= (al & 0x80); /* sf */ |
1056 |
CC_SRC = eflags; |
1057 |
} |
1058 |
|
1059 |
void OPPROTO op_das(void) |
1060 |
{ |
1061 |
int al, al1, af, cf;
|
1062 |
int eflags;
|
1063 |
|
1064 |
eflags = cc_table[CC_OP].compute_all(); |
1065 |
cf = eflags & CC_C; |
1066 |
af = eflags & CC_A; |
1067 |
al = EAX & 0xff;
|
1068 |
|
1069 |
eflags = 0;
|
1070 |
al1 = al; |
1071 |
if (((al & 0x0f) > 9 ) || af) { |
1072 |
eflags |= CC_A; |
1073 |
if (al < 6 || cf) |
1074 |
eflags |= CC_C; |
1075 |
al = (al - 6) & 0xff; |
1076 |
} |
1077 |
if ((al1 > 0x99) || cf) { |
1078 |
al = (al - 0x60) & 0xff; |
1079 |
eflags |= CC_C; |
1080 |
} |
1081 |
EAX = (EAX & ~0xff) | al;
|
1082 |
/* well, speed is not an issue here, so we compute the flags by hand */
|
1083 |
eflags |= (al == 0) << 6; /* zf */ |
1084 |
eflags |= parity_table[al]; /* pf */
|
1085 |
eflags |= (al & 0x80); /* sf */ |
1086 |
CC_SRC = eflags; |
1087 |
} |
1088 |
|
1089 |
/* segment handling */
|
1090 |
|
1091 |
/* never use it with R_CS */
|
1092 |
void OPPROTO op_movl_seg_T0(void) |
1093 |
{ |
1094 |
load_seg(PARAM1, T0); |
1095 |
} |
1096 |
|
1097 |
/* faster VM86 version */
|
1098 |
void OPPROTO op_movl_seg_T0_vm(void) |
1099 |
{ |
1100 |
int selector;
|
1101 |
SegmentCache *sc; |
1102 |
|
1103 |
selector = T0 & 0xffff;
|
1104 |
/* env->segs[] access */
|
1105 |
sc = (SegmentCache *)((char *)env + PARAM1);
|
1106 |
sc->selector = selector; |
1107 |
sc->base = (selector << 4);
|
1108 |
} |
1109 |
|
1110 |
void OPPROTO op_movl_T0_seg(void) |
1111 |
{ |
1112 |
T0 = env->segs[PARAM1].selector; |
1113 |
} |
1114 |
|
1115 |
void OPPROTO op_lsl(void) |
1116 |
{ |
1117 |
helper_lsl(); |
1118 |
} |
1119 |
|
1120 |
void OPPROTO op_lar(void) |
1121 |
{ |
1122 |
helper_lar(); |
1123 |
} |
1124 |
|
1125 |
void OPPROTO op_verr(void) |
1126 |
{ |
1127 |
helper_verr(); |
1128 |
} |
1129 |
|
1130 |
void OPPROTO op_verw(void) |
1131 |
{ |
1132 |
helper_verw(); |
1133 |
} |
1134 |
|
1135 |
void OPPROTO op_arpl(void) |
1136 |
{ |
1137 |
if ((T0 & 3) < (T1 & 3)) { |
1138 |
/* XXX: emulate bug or 0xff3f0000 oring as in bochs ? */
|
1139 |
T0 = (T0 & ~3) | (T1 & 3); |
1140 |
T1 = CC_Z; |
1141 |
} else {
|
1142 |
T1 = 0;
|
1143 |
} |
1144 |
FORCE_RET(); |
1145 |
} |
1146 |
|
1147 |
void OPPROTO op_arpl_update(void) |
1148 |
{ |
1149 |
int eflags;
|
1150 |
eflags = cc_table[CC_OP].compute_all(); |
1151 |
CC_SRC = (eflags & ~CC_Z) | T1; |
1152 |
} |
1153 |
|
1154 |
/* T0: segment, T1:eip */
|
1155 |
void OPPROTO op_ljmp_protected_T0_T1(void) |
1156 |
{ |
1157 |
helper_ljmp_protected_T0_T1(PARAM1); |
1158 |
} |
1159 |
|
1160 |
void OPPROTO op_lcall_real_T0_T1(void) |
1161 |
{ |
1162 |
helper_lcall_real_T0_T1(PARAM1, PARAM2); |
1163 |
} |
1164 |
|
1165 |
void OPPROTO op_lcall_protected_T0_T1(void) |
1166 |
{ |
1167 |
helper_lcall_protected_T0_T1(PARAM1, PARAM2); |
1168 |
} |
1169 |
|
1170 |
void OPPROTO op_iret_real(void) |
1171 |
{ |
1172 |
helper_iret_real(PARAM1); |
1173 |
} |
1174 |
|
1175 |
void OPPROTO op_iret_protected(void) |
1176 |
{ |
1177 |
helper_iret_protected(PARAM1, PARAM2); |
1178 |
} |
1179 |
|
1180 |
void OPPROTO op_lret_protected(void) |
1181 |
{ |
1182 |
helper_lret_protected(PARAM1, PARAM2); |
1183 |
} |
1184 |
|
1185 |
void OPPROTO op_lldt_T0(void) |
1186 |
{ |
1187 |
helper_lldt_T0(); |
1188 |
} |
1189 |
|
1190 |
void OPPROTO op_ltr_T0(void) |
1191 |
{ |
1192 |
helper_ltr_T0(); |
1193 |
} |
1194 |
|
1195 |
/* CR registers access */
|
1196 |
void OPPROTO op_movl_crN_T0(void) |
1197 |
{ |
1198 |
helper_movl_crN_T0(PARAM1); |
1199 |
} |
1200 |
|
1201 |
/* DR registers access */
|
1202 |
void OPPROTO op_movl_drN_T0(void) |
1203 |
{ |
1204 |
helper_movl_drN_T0(PARAM1); |
1205 |
} |
1206 |
|
1207 |
void OPPROTO op_lmsw_T0(void) |
1208 |
{ |
1209 |
/* only 4 lower bits of CR0 are modified. PE cannot be set to zero
|
1210 |
if already set to one. */
|
1211 |
T0 = (env->cr[0] & ~0xe) | (T0 & 0xf); |
1212 |
helper_movl_crN_T0(0);
|
1213 |
} |
1214 |
|
1215 |
void OPPROTO op_invlpg_A0(void) |
1216 |
{ |
1217 |
helper_invlpg(A0); |
1218 |
} |
1219 |
|
1220 |
void OPPROTO op_movl_T0_env(void) |
1221 |
{ |
1222 |
T0 = *(uint32_t *)((char *)env + PARAM1);
|
1223 |
} |
1224 |
|
1225 |
void OPPROTO op_movl_env_T0(void) |
1226 |
{ |
1227 |
*(uint32_t *)((char *)env + PARAM1) = T0;
|
1228 |
} |
1229 |
|
1230 |
void OPPROTO op_movl_env_T1(void) |
1231 |
{ |
1232 |
*(uint32_t *)((char *)env + PARAM1) = T1;
|
1233 |
} |
1234 |
|
1235 |
void OPPROTO op_movtl_T0_env(void) |
1236 |
{ |
1237 |
T0 = *(target_ulong *)((char *)env + PARAM1);
|
1238 |
} |
1239 |
|
1240 |
void OPPROTO op_movtl_env_T0(void) |
1241 |
{ |
1242 |
*(target_ulong *)((char *)env + PARAM1) = T0;
|
1243 |
} |
1244 |
|
1245 |
void OPPROTO op_movtl_T1_env(void) |
1246 |
{ |
1247 |
T1 = *(target_ulong *)((char *)env + PARAM1);
|
1248 |
} |
1249 |
|
1250 |
void OPPROTO op_movtl_env_T1(void) |
1251 |
{ |
1252 |
*(target_ulong *)((char *)env + PARAM1) = T1;
|
1253 |
} |
1254 |
|
1255 |
void OPPROTO op_clts(void) |
1256 |
{ |
1257 |
env->cr[0] &= ~CR0_TS_MASK;
|
1258 |
env->hflags &= ~HF_TS_MASK; |
1259 |
} |
1260 |
|
1261 |
/* flags handling */
|
1262 |
|
1263 |
void OPPROTO op_goto_tb0(void) |
1264 |
{ |
1265 |
GOTO_TB(op_goto_tb0, PARAM1, 0);
|
1266 |
} |
1267 |
|
1268 |
void OPPROTO op_goto_tb1(void) |
1269 |
{ |
1270 |
GOTO_TB(op_goto_tb1, PARAM1, 1);
|
1271 |
} |
1272 |
|
1273 |
void OPPROTO op_jmp_label(void) |
1274 |
{ |
1275 |
GOTO_LABEL_PARAM(1);
|
1276 |
} |
1277 |
|
1278 |
void OPPROTO op_jnz_T0_label(void) |
1279 |
{ |
1280 |
if (T0)
|
1281 |
GOTO_LABEL_PARAM(1);
|
1282 |
} |
1283 |
|
1284 |
void OPPROTO op_jz_T0_label(void) |
1285 |
{ |
1286 |
if (!T0)
|
1287 |
GOTO_LABEL_PARAM(1);
|
1288 |
} |
1289 |
|
1290 |
/* slow set cases (compute x86 flags) */
|
1291 |
void OPPROTO op_seto_T0_cc(void) |
1292 |
{ |
1293 |
int eflags;
|
1294 |
eflags = cc_table[CC_OP].compute_all(); |
1295 |
T0 = (eflags >> 11) & 1; |
1296 |
} |
1297 |
|
1298 |
void OPPROTO op_setb_T0_cc(void) |
1299 |
{ |
1300 |
T0 = cc_table[CC_OP].compute_c(); |
1301 |
} |
1302 |
|
1303 |
void OPPROTO op_setz_T0_cc(void) |
1304 |
{ |
1305 |
int eflags;
|
1306 |
eflags = cc_table[CC_OP].compute_all(); |
1307 |
T0 = (eflags >> 6) & 1; |
1308 |
} |
1309 |
|
1310 |
void OPPROTO op_setbe_T0_cc(void) |
1311 |
{ |
1312 |
int eflags;
|
1313 |
eflags = cc_table[CC_OP].compute_all(); |
1314 |
T0 = (eflags & (CC_Z | CC_C)) != 0;
|
1315 |
} |
1316 |
|
1317 |
void OPPROTO op_sets_T0_cc(void) |
1318 |
{ |
1319 |
int eflags;
|
1320 |
eflags = cc_table[CC_OP].compute_all(); |
1321 |
T0 = (eflags >> 7) & 1; |
1322 |
} |
1323 |
|
1324 |
void OPPROTO op_setp_T0_cc(void) |
1325 |
{ |
1326 |
int eflags;
|
1327 |
eflags = cc_table[CC_OP].compute_all(); |
1328 |
T0 = (eflags >> 2) & 1; |
1329 |
} |
1330 |
|
1331 |
void OPPROTO op_setl_T0_cc(void) |
1332 |
{ |
1333 |
int eflags;
|
1334 |
eflags = cc_table[CC_OP].compute_all(); |
1335 |
T0 = ((eflags ^ (eflags >> 4)) >> 7) & 1; |
1336 |
} |
1337 |
|
1338 |
void OPPROTO op_setle_T0_cc(void) |
1339 |
{ |
1340 |
int eflags;
|
1341 |
eflags = cc_table[CC_OP].compute_all(); |
1342 |
T0 = (((eflags ^ (eflags >> 4)) & 0x80) || (eflags & CC_Z)) != 0; |
1343 |
} |
1344 |
|
1345 |
void OPPROTO op_xor_T0_1(void) |
1346 |
{ |
1347 |
T0 ^= 1;
|
1348 |
} |
1349 |
|
1350 |
void OPPROTO op_set_cc_op(void) |
1351 |
{ |
1352 |
CC_OP = PARAM1; |
1353 |
} |
1354 |
|
1355 |
/* XXX: clear VIF/VIP in all ops ? */
|
1356 |
|
1357 |
void OPPROTO op_movl_eflags_T0(void) |
1358 |
{ |
1359 |
load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK)); |
1360 |
} |
1361 |
|
1362 |
void OPPROTO op_movw_eflags_T0(void) |
1363 |
{ |
1364 |
load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK) & 0xffff);
|
1365 |
} |
1366 |
|
1367 |
void OPPROTO op_movl_eflags_T0_io(void) |
1368 |
{ |
1369 |
load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK)); |
1370 |
} |
1371 |
|
1372 |
void OPPROTO op_movw_eflags_T0_io(void) |
1373 |
{ |
1374 |
load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK) & 0xffff);
|
1375 |
} |
1376 |
|
1377 |
void OPPROTO op_movl_eflags_T0_cpl0(void) |
1378 |
{ |
1379 |
load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_MASK)); |
1380 |
} |
1381 |
|
1382 |
void OPPROTO op_movw_eflags_T0_cpl0(void) |
1383 |
{ |
1384 |
load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_MASK) & 0xffff);
|
1385 |
} |
1386 |
|
1387 |
#if 0
|
1388 |
/* vm86plus version */
|
1389 |
void OPPROTO op_movw_eflags_T0_vm(void)
|
1390 |
{
|
1391 |
int eflags;
|
1392 |
eflags = T0;
|
1393 |
CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
|
1394 |
DF = 1 - (2 * ((eflags >> 10) & 1));
|
1395 |
/* we also update some system flags as in user mode */
|
1396 |
env->eflags = (env->eflags & ~(FL_UPDATE_MASK16 | VIF_MASK)) |
|
1397 |
(eflags & FL_UPDATE_MASK16);
|
1398 |
if (eflags & IF_MASK) {
|
1399 |
env->eflags |= VIF_MASK;
|
1400 |
if (env->eflags & VIP_MASK) {
|
1401 |
EIP = PARAM1;
|
1402 |
raise_exception(EXCP0D_GPF);
|
1403 |
}
|
1404 |
}
|
1405 |
FORCE_RET();
|
1406 |
}
|
1407 |
|
1408 |
void OPPROTO op_movl_eflags_T0_vm(void)
|
1409 |
{
|
1410 |
int eflags;
|
1411 |
eflags = T0;
|
1412 |
CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
|
1413 |
DF = 1 - (2 * ((eflags >> 10) & 1));
|
1414 |
/* we also update some system flags as in user mode */
|
1415 |
env->eflags = (env->eflags & ~(FL_UPDATE_MASK32 | VIF_MASK)) |
|
1416 |
(eflags & FL_UPDATE_MASK32);
|
1417 |
if (eflags & IF_MASK) {
|
1418 |
env->eflags |= VIF_MASK;
|
1419 |
if (env->eflags & VIP_MASK) {
|
1420 |
EIP = PARAM1;
|
1421 |
raise_exception(EXCP0D_GPF);
|
1422 |
}
|
1423 |
}
|
1424 |
FORCE_RET();
|
1425 |
}
|
1426 |
#endif
|
1427 |
|
1428 |
/* XXX: compute only O flag */
|
1429 |
void OPPROTO op_movb_eflags_T0(void) |
1430 |
{ |
1431 |
int of;
|
1432 |
of = cc_table[CC_OP].compute_all() & CC_O; |
1433 |
CC_SRC = (T0 & (CC_S | CC_Z | CC_A | CC_P | CC_C)) | of; |
1434 |
} |
1435 |
|
1436 |
void OPPROTO op_movl_T0_eflags(void) |
1437 |
{ |
1438 |
int eflags;
|
1439 |
eflags = cc_table[CC_OP].compute_all(); |
1440 |
eflags |= (DF & DF_MASK); |
1441 |
eflags |= env->eflags & ~(VM_MASK | RF_MASK); |
1442 |
T0 = eflags; |
1443 |
} |
1444 |
|
1445 |
/* vm86plus version */
|
1446 |
#if 0
|
1447 |
void OPPROTO op_movl_T0_eflags_vm(void)
|
1448 |
{
|
1449 |
int eflags;
|
1450 |
eflags = cc_table[CC_OP].compute_all();
|
1451 |
eflags |= (DF & DF_MASK);
|
1452 |
eflags |= env->eflags & ~(VM_MASK | RF_MASK | IF_MASK);
|
1453 |
if (env->eflags & VIF_MASK)
|
1454 |
eflags |= IF_MASK;
|
1455 |
T0 = eflags;
|
1456 |
}
|
1457 |
#endif
|
1458 |
|
1459 |
void OPPROTO op_cld(void) |
1460 |
{ |
1461 |
DF = 1;
|
1462 |
} |
1463 |
|
1464 |
void OPPROTO op_std(void) |
1465 |
{ |
1466 |
DF = -1;
|
1467 |
} |
1468 |
|
1469 |
void OPPROTO op_clc(void) |
1470 |
{ |
1471 |
int eflags;
|
1472 |
eflags = cc_table[CC_OP].compute_all(); |
1473 |
eflags &= ~CC_C; |
1474 |
CC_SRC = eflags; |
1475 |
} |
1476 |
|
1477 |
void OPPROTO op_stc(void) |
1478 |
{ |
1479 |
int eflags;
|
1480 |
eflags = cc_table[CC_OP].compute_all(); |
1481 |
eflags |= CC_C; |
1482 |
CC_SRC = eflags; |
1483 |
} |
1484 |
|
1485 |
void OPPROTO op_cmc(void) |
1486 |
{ |
1487 |
int eflags;
|
1488 |
eflags = cc_table[CC_OP].compute_all(); |
1489 |
eflags ^= CC_C; |
1490 |
CC_SRC = eflags; |
1491 |
} |
1492 |
|
1493 |
void OPPROTO op_salc(void) |
1494 |
{ |
1495 |
int cf;
|
1496 |
cf = cc_table[CC_OP].compute_c(); |
1497 |
EAX = (EAX & ~0xff) | ((-cf) & 0xff); |
1498 |
} |
1499 |
|
1500 |
static int compute_all_eflags(void) |
1501 |
{ |
1502 |
return CC_SRC;
|
1503 |
} |
1504 |
|
1505 |
static int compute_c_eflags(void) |
1506 |
{ |
1507 |
return CC_SRC & CC_C;
|
1508 |
} |
1509 |
|
1510 |
CCTable cc_table[CC_OP_NB] = { |
1511 |
[CC_OP_DYNAMIC] = { /* should never happen */ },
|
1512 |
|
1513 |
[CC_OP_EFLAGS] = { compute_all_eflags, compute_c_eflags }, |
1514 |
|
1515 |
[CC_OP_MULB] = { compute_all_mulb, compute_c_mull }, |
1516 |
[CC_OP_MULW] = { compute_all_mulw, compute_c_mull }, |
1517 |
[CC_OP_MULL] = { compute_all_mull, compute_c_mull }, |
1518 |
|
1519 |
[CC_OP_ADDB] = { compute_all_addb, compute_c_addb }, |
1520 |
[CC_OP_ADDW] = { compute_all_addw, compute_c_addw }, |
1521 |
[CC_OP_ADDL] = { compute_all_addl, compute_c_addl }, |
1522 |
|
1523 |
[CC_OP_ADCB] = { compute_all_adcb, compute_c_adcb }, |
1524 |
[CC_OP_ADCW] = { compute_all_adcw, compute_c_adcw }, |
1525 |
[CC_OP_ADCL] = { compute_all_adcl, compute_c_adcl }, |
1526 |
|
1527 |
[CC_OP_SUBB] = { compute_all_subb, compute_c_subb }, |
1528 |
[CC_OP_SUBW] = { compute_all_subw, compute_c_subw }, |
1529 |
[CC_OP_SUBL] = { compute_all_subl, compute_c_subl }, |
1530 |
|
1531 |
[CC_OP_SBBB] = { compute_all_sbbb, compute_c_sbbb }, |
1532 |
[CC_OP_SBBW] = { compute_all_sbbw, compute_c_sbbw }, |
1533 |
[CC_OP_SBBL] = { compute_all_sbbl, compute_c_sbbl }, |
1534 |
|
1535 |
[CC_OP_LOGICB] = { compute_all_logicb, compute_c_logicb }, |
1536 |
[CC_OP_LOGICW] = { compute_all_logicw, compute_c_logicw }, |
1537 |
[CC_OP_LOGICL] = { compute_all_logicl, compute_c_logicl }, |
1538 |
|
1539 |
[CC_OP_INCB] = { compute_all_incb, compute_c_incl }, |
1540 |
[CC_OP_INCW] = { compute_all_incw, compute_c_incl }, |
1541 |
[CC_OP_INCL] = { compute_all_incl, compute_c_incl }, |
1542 |
|
1543 |
[CC_OP_DECB] = { compute_all_decb, compute_c_incl }, |
1544 |
[CC_OP_DECW] = { compute_all_decw, compute_c_incl }, |
1545 |
[CC_OP_DECL] = { compute_all_decl, compute_c_incl }, |
1546 |
|
1547 |
[CC_OP_SHLB] = { compute_all_shlb, compute_c_shlb }, |
1548 |
[CC_OP_SHLW] = { compute_all_shlw, compute_c_shlw }, |
1549 |
[CC_OP_SHLL] = { compute_all_shll, compute_c_shll }, |
1550 |
|
1551 |
[CC_OP_SARB] = { compute_all_sarb, compute_c_sarl }, |
1552 |
[CC_OP_SARW] = { compute_all_sarw, compute_c_sarl }, |
1553 |
[CC_OP_SARL] = { compute_all_sarl, compute_c_sarl }, |
1554 |
|
1555 |
#ifdef TARGET_X86_64
|
1556 |
[CC_OP_MULQ] = { compute_all_mulq, compute_c_mull }, |
1557 |
|
1558 |
[CC_OP_ADDQ] = { compute_all_addq, compute_c_addq }, |
1559 |
|
1560 |
[CC_OP_ADCQ] = { compute_all_adcq, compute_c_adcq }, |
1561 |
|
1562 |
[CC_OP_SUBQ] = { compute_all_subq, compute_c_subq }, |
1563 |
|
1564 |
[CC_OP_SBBQ] = { compute_all_sbbq, compute_c_sbbq }, |
1565 |
|
1566 |
[CC_OP_LOGICQ] = { compute_all_logicq, compute_c_logicq }, |
1567 |
|
1568 |
[CC_OP_INCQ] = { compute_all_incq, compute_c_incl }, |
1569 |
|
1570 |
[CC_OP_DECQ] = { compute_all_decq, compute_c_incl }, |
1571 |
|
1572 |
[CC_OP_SHLQ] = { compute_all_shlq, compute_c_shlq }, |
1573 |
|
1574 |
[CC_OP_SARQ] = { compute_all_sarq, compute_c_sarl }, |
1575 |
#endif
|
1576 |
}; |
1577 |
|
1578 |
/* floating point support. Some of the code for complicated x87
|
1579 |
functions comes from the LGPL'ed x86 emulator found in the Willows
|
1580 |
TWIN windows emulator. */
|
1581 |
|
1582 |
#if defined(__powerpc__)
|
1583 |
extern CPU86_LDouble copysign(CPU86_LDouble, CPU86_LDouble);
|
1584 |
|
1585 |
/* correct (but slow) PowerPC rint() (glibc version is incorrect) */
|
1586 |
double qemu_rint(double x) |
1587 |
{ |
1588 |
double y = 4503599627370496.0; |
1589 |
if (fabs(x) >= y)
|
1590 |
return x;
|
1591 |
if (x < 0) |
1592 |
y = -y; |
1593 |
y = (x + y) - y; |
1594 |
if (y == 0.0) |
1595 |
y = copysign(y, x); |
1596 |
return y;
|
1597 |
} |
1598 |
|
1599 |
#define rint qemu_rint
|
1600 |
#endif
|
1601 |
|
1602 |
/* fp load FT0 */
|
1603 |
|
1604 |
void OPPROTO op_flds_FT0_A0(void) |
1605 |
{ |
1606 |
#ifdef USE_FP_CONVERT
|
1607 |
FP_CONVERT.i32 = ldl(A0); |
1608 |
FT0 = FP_CONVERT.f; |
1609 |
#else
|
1610 |
FT0 = ldfl(A0); |
1611 |
#endif
|
1612 |
} |
1613 |
|
1614 |
void OPPROTO op_fldl_FT0_A0(void) |
1615 |
{ |
1616 |
#ifdef USE_FP_CONVERT
|
1617 |
FP_CONVERT.i64 = ldq(A0); |
1618 |
FT0 = FP_CONVERT.d; |
1619 |
#else
|
1620 |
FT0 = ldfq(A0); |
1621 |
#endif
|
1622 |
} |
1623 |
|
1624 |
/* helpers are needed to avoid static constant reference. XXX: find a better way */
|
1625 |
#ifdef USE_INT_TO_FLOAT_HELPERS
|
1626 |
|
1627 |
void helper_fild_FT0_A0(void) |
1628 |
{ |
1629 |
FT0 = (CPU86_LDouble)ldsw(A0); |
1630 |
} |
1631 |
|
1632 |
void helper_fildl_FT0_A0(void) |
1633 |
{ |
1634 |
FT0 = (CPU86_LDouble)((int32_t)ldl(A0)); |
1635 |
} |
1636 |
|
1637 |
void helper_fildll_FT0_A0(void) |
1638 |
{ |
1639 |
FT0 = (CPU86_LDouble)((int64_t)ldq(A0)); |
1640 |
} |
1641 |
|
1642 |
void OPPROTO op_fild_FT0_A0(void) |
1643 |
{ |
1644 |
helper_fild_FT0_A0(); |
1645 |
} |
1646 |
|
1647 |
void OPPROTO op_fildl_FT0_A0(void) |
1648 |
{ |
1649 |
helper_fildl_FT0_A0(); |
1650 |
} |
1651 |
|
1652 |
void OPPROTO op_fildll_FT0_A0(void) |
1653 |
{ |
1654 |
helper_fildll_FT0_A0(); |
1655 |
} |
1656 |
|
1657 |
#else
|
1658 |
|
1659 |
void OPPROTO op_fild_FT0_A0(void) |
1660 |
{ |
1661 |
#ifdef USE_FP_CONVERT
|
1662 |
FP_CONVERT.i32 = ldsw(A0); |
1663 |
FT0 = (CPU86_LDouble)FP_CONVERT.i32; |
1664 |
#else
|
1665 |
FT0 = (CPU86_LDouble)ldsw(A0); |
1666 |
#endif
|
1667 |
} |
1668 |
|
1669 |
void OPPROTO op_fildl_FT0_A0(void) |
1670 |
{ |
1671 |
#ifdef USE_FP_CONVERT
|
1672 |
FP_CONVERT.i32 = (int32_t) ldl(A0); |
1673 |
FT0 = (CPU86_LDouble)FP_CONVERT.i32; |
1674 |
#else
|
1675 |
FT0 = (CPU86_LDouble)((int32_t)ldl(A0)); |
1676 |
#endif
|
1677 |
} |
1678 |
|
1679 |
void OPPROTO op_fildll_FT0_A0(void) |
1680 |
{ |
1681 |
#ifdef USE_FP_CONVERT
|
1682 |
FP_CONVERT.i64 = (int64_t) ldq(A0); |
1683 |
FT0 = (CPU86_LDouble)FP_CONVERT.i64; |
1684 |
#else
|
1685 |
FT0 = (CPU86_LDouble)((int64_t)ldq(A0)); |
1686 |
#endif
|
1687 |
} |
1688 |
#endif
|
1689 |
|
1690 |
/* fp load ST0 */
|
1691 |
|
1692 |
void OPPROTO op_flds_ST0_A0(void) |
1693 |
{ |
1694 |
int new_fpstt;
|
1695 |
new_fpstt = (env->fpstt - 1) & 7; |
1696 |
#ifdef USE_FP_CONVERT
|
1697 |
FP_CONVERT.i32 = ldl(A0); |
1698 |
env->fpregs[new_fpstt].d = FP_CONVERT.f; |
1699 |
#else
|
1700 |
env->fpregs[new_fpstt].d = ldfl(A0); |
1701 |
#endif
|
1702 |
env->fpstt = new_fpstt; |
1703 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
1704 |
} |
1705 |
|
1706 |
void OPPROTO op_fldl_ST0_A0(void) |
1707 |
{ |
1708 |
int new_fpstt;
|
1709 |
new_fpstt = (env->fpstt - 1) & 7; |
1710 |
#ifdef USE_FP_CONVERT
|
1711 |
FP_CONVERT.i64 = ldq(A0); |
1712 |
env->fpregs[new_fpstt].d = FP_CONVERT.d; |
1713 |
#else
|
1714 |
env->fpregs[new_fpstt].d = ldfq(A0); |
1715 |
#endif
|
1716 |
env->fpstt = new_fpstt; |
1717 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
1718 |
} |
1719 |
|
1720 |
void OPPROTO op_fldt_ST0_A0(void) |
1721 |
{ |
1722 |
helper_fldt_ST0_A0(); |
1723 |
} |
1724 |
|
1725 |
/* helpers are needed to avoid static constant reference. XXX: find a better way */
|
1726 |
#ifdef USE_INT_TO_FLOAT_HELPERS
|
1727 |
|
1728 |
void helper_fild_ST0_A0(void) |
1729 |
{ |
1730 |
int new_fpstt;
|
1731 |
new_fpstt = (env->fpstt - 1) & 7; |
1732 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)ldsw(A0); |
1733 |
env->fpstt = new_fpstt; |
1734 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
1735 |
} |
1736 |
|
1737 |
void helper_fildl_ST0_A0(void) |
1738 |
{ |
1739 |
int new_fpstt;
|
1740 |
new_fpstt = (env->fpstt - 1) & 7; |
1741 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)((int32_t)ldl(A0)); |
1742 |
env->fpstt = new_fpstt; |
1743 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
1744 |
} |
1745 |
|
1746 |
void helper_fildll_ST0_A0(void) |
1747 |
{ |
1748 |
int new_fpstt;
|
1749 |
new_fpstt = (env->fpstt - 1) & 7; |
1750 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)((int64_t)ldq(A0)); |
1751 |
env->fpstt = new_fpstt; |
1752 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
1753 |
} |
1754 |
|
1755 |
void OPPROTO op_fild_ST0_A0(void) |
1756 |
{ |
1757 |
helper_fild_ST0_A0(); |
1758 |
} |
1759 |
|
1760 |
void OPPROTO op_fildl_ST0_A0(void) |
1761 |
{ |
1762 |
helper_fildl_ST0_A0(); |
1763 |
} |
1764 |
|
1765 |
void OPPROTO op_fildll_ST0_A0(void) |
1766 |
{ |
1767 |
helper_fildll_ST0_A0(); |
1768 |
} |
1769 |
|
1770 |
#else
|
1771 |
|
1772 |
void OPPROTO op_fild_ST0_A0(void) |
1773 |
{ |
1774 |
int new_fpstt;
|
1775 |
new_fpstt = (env->fpstt - 1) & 7; |
1776 |
#ifdef USE_FP_CONVERT
|
1777 |
FP_CONVERT.i32 = ldsw(A0); |
1778 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)FP_CONVERT.i32; |
1779 |
#else
|
1780 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)ldsw(A0); |
1781 |
#endif
|
1782 |
env->fpstt = new_fpstt; |
1783 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
1784 |
} |
1785 |
|
1786 |
void OPPROTO op_fildl_ST0_A0(void) |
1787 |
{ |
1788 |
int new_fpstt;
|
1789 |
new_fpstt = (env->fpstt - 1) & 7; |
1790 |
#ifdef USE_FP_CONVERT
|
1791 |
FP_CONVERT.i32 = (int32_t) ldl(A0); |
1792 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)FP_CONVERT.i32; |
1793 |
#else
|
1794 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)((int32_t)ldl(A0)); |
1795 |
#endif
|
1796 |
env->fpstt = new_fpstt; |
1797 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
1798 |
} |
1799 |
|
1800 |
void OPPROTO op_fildll_ST0_A0(void) |
1801 |
{ |
1802 |
int new_fpstt;
|
1803 |
new_fpstt = (env->fpstt - 1) & 7; |
1804 |
#ifdef USE_FP_CONVERT
|
1805 |
FP_CONVERT.i64 = (int64_t) ldq(A0); |
1806 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)FP_CONVERT.i64; |
1807 |
#else
|
1808 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)((int64_t)ldq(A0)); |
1809 |
#endif
|
1810 |
env->fpstt = new_fpstt; |
1811 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
1812 |
} |
1813 |
|
1814 |
#endif
|
1815 |
|
1816 |
/* fp store */
|
1817 |
|
1818 |
void OPPROTO op_fsts_ST0_A0(void) |
1819 |
{ |
1820 |
#ifdef USE_FP_CONVERT
|
1821 |
FP_CONVERT.f = (float)ST0;
|
1822 |
stfl(A0, FP_CONVERT.f); |
1823 |
#else
|
1824 |
stfl(A0, (float)ST0);
|
1825 |
#endif
|
1826 |
} |
1827 |
|
1828 |
void OPPROTO op_fstl_ST0_A0(void) |
1829 |
{ |
1830 |
stfq(A0, (double)ST0);
|
1831 |
} |
1832 |
|
1833 |
void OPPROTO op_fstt_ST0_A0(void) |
1834 |
{ |
1835 |
helper_fstt_ST0_A0(); |
1836 |
} |
1837 |
|
1838 |
void OPPROTO op_fist_ST0_A0(void) |
1839 |
{ |
1840 |
#if defined(__sparc__) && !defined(__sparc_v9__)
|
1841 |
register CPU86_LDouble d asm("o0"); |
1842 |
#else
|
1843 |
CPU86_LDouble d; |
1844 |
#endif
|
1845 |
int val;
|
1846 |
|
1847 |
d = ST0; |
1848 |
val = lrint(d); |
1849 |
if (val != (int16_t)val)
|
1850 |
val = -32768;
|
1851 |
stw(A0, val); |
1852 |
} |
1853 |
|
1854 |
void OPPROTO op_fistl_ST0_A0(void) |
1855 |
{ |
1856 |
#if defined(__sparc__) && !defined(__sparc_v9__)
|
1857 |
register CPU86_LDouble d asm("o0"); |
1858 |
#else
|
1859 |
CPU86_LDouble d; |
1860 |
#endif
|
1861 |
int val;
|
1862 |
|
1863 |
d = ST0; |
1864 |
val = lrint(d); |
1865 |
stl(A0, val); |
1866 |
} |
1867 |
|
1868 |
void OPPROTO op_fistll_ST0_A0(void) |
1869 |
{ |
1870 |
#if defined(__sparc__) && !defined(__sparc_v9__)
|
1871 |
register CPU86_LDouble d asm("o0"); |
1872 |
#else
|
1873 |
CPU86_LDouble d; |
1874 |
#endif
|
1875 |
int64_t val; |
1876 |
|
1877 |
d = ST0; |
1878 |
val = llrint(d); |
1879 |
stq(A0, val); |
1880 |
} |
1881 |
|
1882 |
void OPPROTO op_fbld_ST0_A0(void) |
1883 |
{ |
1884 |
helper_fbld_ST0_A0(); |
1885 |
} |
1886 |
|
1887 |
void OPPROTO op_fbst_ST0_A0(void) |
1888 |
{ |
1889 |
helper_fbst_ST0_A0(); |
1890 |
} |
1891 |
|
1892 |
/* FPU move */
|
1893 |
|
1894 |
void OPPROTO op_fpush(void) |
1895 |
{ |
1896 |
fpush(); |
1897 |
} |
1898 |
|
1899 |
void OPPROTO op_fpop(void) |
1900 |
{ |
1901 |
fpop(); |
1902 |
} |
1903 |
|
1904 |
void OPPROTO op_fdecstp(void) |
1905 |
{ |
1906 |
env->fpstt = (env->fpstt - 1) & 7; |
1907 |
env->fpus &= (~0x4700);
|
1908 |
} |
1909 |
|
1910 |
void OPPROTO op_fincstp(void) |
1911 |
{ |
1912 |
env->fpstt = (env->fpstt + 1) & 7; |
1913 |
env->fpus &= (~0x4700);
|
1914 |
} |
1915 |
|
1916 |
void OPPROTO op_ffree_STN(void) |
1917 |
{ |
1918 |
env->fptags[(env->fpstt + PARAM1) & 7] = 1; |
1919 |
} |
1920 |
|
1921 |
void OPPROTO op_fmov_ST0_FT0(void) |
1922 |
{ |
1923 |
ST0 = FT0; |
1924 |
} |
1925 |
|
1926 |
void OPPROTO op_fmov_FT0_STN(void) |
1927 |
{ |
1928 |
FT0 = ST(PARAM1); |
1929 |
} |
1930 |
|
1931 |
void OPPROTO op_fmov_ST0_STN(void) |
1932 |
{ |
1933 |
ST0 = ST(PARAM1); |
1934 |
} |
1935 |
|
1936 |
void OPPROTO op_fmov_STN_ST0(void) |
1937 |
{ |
1938 |
ST(PARAM1) = ST0; |
1939 |
} |
1940 |
|
1941 |
void OPPROTO op_fxchg_ST0_STN(void) |
1942 |
{ |
1943 |
CPU86_LDouble tmp; |
1944 |
tmp = ST(PARAM1); |
1945 |
ST(PARAM1) = ST0; |
1946 |
ST0 = tmp; |
1947 |
} |
1948 |
|
1949 |
/* FPU operations */
|
1950 |
|
1951 |
/* XXX: handle nans */
|
1952 |
void OPPROTO op_fcom_ST0_FT0(void) |
1953 |
{ |
1954 |
env->fpus &= (~0x4500); /* (C3,C2,C0) <-- 000 */ |
1955 |
if (ST0 < FT0)
|
1956 |
env->fpus |= 0x100; /* (C3,C2,C0) <-- 001 */ |
1957 |
else if (ST0 == FT0) |
1958 |
env->fpus |= 0x4000; /* (C3,C2,C0) <-- 100 */ |
1959 |
FORCE_RET(); |
1960 |
} |
1961 |
|
1962 |
/* XXX: handle nans */
|
1963 |
void OPPROTO op_fucom_ST0_FT0(void) |
1964 |
{ |
1965 |
env->fpus &= (~0x4500); /* (C3,C2,C0) <-- 000 */ |
1966 |
if (ST0 < FT0)
|
1967 |
env->fpus |= 0x100; /* (C3,C2,C0) <-- 001 */ |
1968 |
else if (ST0 == FT0) |
1969 |
env->fpus |= 0x4000; /* (C3,C2,C0) <-- 100 */ |
1970 |
FORCE_RET(); |
1971 |
} |
1972 |
|
1973 |
/* XXX: handle nans */
|
1974 |
void OPPROTO op_fcomi_ST0_FT0(void) |
1975 |
{ |
1976 |
int eflags;
|
1977 |
eflags = cc_table[CC_OP].compute_all(); |
1978 |
eflags &= ~(CC_Z | CC_P | CC_C); |
1979 |
if (ST0 < FT0)
|
1980 |
eflags |= CC_C; |
1981 |
else if (ST0 == FT0) |
1982 |
eflags |= CC_Z; |
1983 |
CC_SRC = eflags; |
1984 |
FORCE_RET(); |
1985 |
} |
1986 |
|
1987 |
/* XXX: handle nans */
|
1988 |
void OPPROTO op_fucomi_ST0_FT0(void) |
1989 |
{ |
1990 |
int eflags;
|
1991 |
eflags = cc_table[CC_OP].compute_all(); |
1992 |
eflags &= ~(CC_Z | CC_P | CC_C); |
1993 |
if (ST0 < FT0)
|
1994 |
eflags |= CC_C; |
1995 |
else if (ST0 == FT0) |
1996 |
eflags |= CC_Z; |
1997 |
CC_SRC = eflags; |
1998 |
FORCE_RET(); |
1999 |
} |
2000 |
|
2001 |
void OPPROTO op_fcmov_ST0_STN_T0(void) |
2002 |
{ |
2003 |
if (T0) {
|
2004 |
ST0 = ST(PARAM1); |
2005 |
} |
2006 |
FORCE_RET(); |
2007 |
} |
2008 |
|
2009 |
void OPPROTO op_fadd_ST0_FT0(void) |
2010 |
{ |
2011 |
ST0 += FT0; |
2012 |
} |
2013 |
|
2014 |
void OPPROTO op_fmul_ST0_FT0(void) |
2015 |
{ |
2016 |
ST0 *= FT0; |
2017 |
} |
2018 |
|
2019 |
void OPPROTO op_fsub_ST0_FT0(void) |
2020 |
{ |
2021 |
ST0 -= FT0; |
2022 |
} |
2023 |
|
2024 |
void OPPROTO op_fsubr_ST0_FT0(void) |
2025 |
{ |
2026 |
ST0 = FT0 - ST0; |
2027 |
} |
2028 |
|
2029 |
void OPPROTO op_fdiv_ST0_FT0(void) |
2030 |
{ |
2031 |
ST0 = helper_fdiv(ST0, FT0); |
2032 |
} |
2033 |
|
2034 |
void OPPROTO op_fdivr_ST0_FT0(void) |
2035 |
{ |
2036 |
ST0 = helper_fdiv(FT0, ST0); |
2037 |
} |
2038 |
|
2039 |
/* fp operations between STN and ST0 */
|
2040 |
|
2041 |
void OPPROTO op_fadd_STN_ST0(void) |
2042 |
{ |
2043 |
ST(PARAM1) += ST0; |
2044 |
} |
2045 |
|
2046 |
void OPPROTO op_fmul_STN_ST0(void) |
2047 |
{ |
2048 |
ST(PARAM1) *= ST0; |
2049 |
} |
2050 |
|
2051 |
void OPPROTO op_fsub_STN_ST0(void) |
2052 |
{ |
2053 |
ST(PARAM1) -= ST0; |
2054 |
} |
2055 |
|
2056 |
void OPPROTO op_fsubr_STN_ST0(void) |
2057 |
{ |
2058 |
CPU86_LDouble *p; |
2059 |
p = &ST(PARAM1); |
2060 |
*p = ST0 - *p; |
2061 |
} |
2062 |
|
2063 |
void OPPROTO op_fdiv_STN_ST0(void) |
2064 |
{ |
2065 |
CPU86_LDouble *p; |
2066 |
p = &ST(PARAM1); |
2067 |
*p = helper_fdiv(*p, ST0); |
2068 |
} |
2069 |
|
2070 |
void OPPROTO op_fdivr_STN_ST0(void) |
2071 |
{ |
2072 |
CPU86_LDouble *p; |
2073 |
p = &ST(PARAM1); |
2074 |
*p = helper_fdiv(ST0, *p); |
2075 |
} |
2076 |
|
2077 |
/* misc FPU operations */
|
2078 |
void OPPROTO op_fchs_ST0(void) |
2079 |
{ |
2080 |
ST0 = -ST0; |
2081 |
} |
2082 |
|
2083 |
void OPPROTO op_fabs_ST0(void) |
2084 |
{ |
2085 |
ST0 = fabs(ST0); |
2086 |
} |
2087 |
|
2088 |
void OPPROTO op_fxam_ST0(void) |
2089 |
{ |
2090 |
helper_fxam_ST0(); |
2091 |
} |
2092 |
|
2093 |
void OPPROTO op_fld1_ST0(void) |
2094 |
{ |
2095 |
ST0 = f15rk[1];
|
2096 |
} |
2097 |
|
2098 |
void OPPROTO op_fldl2t_ST0(void) |
2099 |
{ |
2100 |
ST0 = f15rk[6];
|
2101 |
} |
2102 |
|
2103 |
void OPPROTO op_fldl2e_ST0(void) |
2104 |
{ |
2105 |
ST0 = f15rk[5];
|
2106 |
} |
2107 |
|
2108 |
void OPPROTO op_fldpi_ST0(void) |
2109 |
{ |
2110 |
ST0 = f15rk[2];
|
2111 |
} |
2112 |
|
2113 |
void OPPROTO op_fldlg2_ST0(void) |
2114 |
{ |
2115 |
ST0 = f15rk[3];
|
2116 |
} |
2117 |
|
2118 |
void OPPROTO op_fldln2_ST0(void) |
2119 |
{ |
2120 |
ST0 = f15rk[4];
|
2121 |
} |
2122 |
|
2123 |
void OPPROTO op_fldz_ST0(void) |
2124 |
{ |
2125 |
ST0 = f15rk[0];
|
2126 |
} |
2127 |
|
2128 |
void OPPROTO op_fldz_FT0(void) |
2129 |
{ |
2130 |
FT0 = f15rk[0];
|
2131 |
} |
2132 |
|
2133 |
/* associated heplers to reduce generated code length and to simplify
|
2134 |
relocation (FP constants are usually stored in .rodata section) */
|
2135 |
|
2136 |
void OPPROTO op_f2xm1(void) |
2137 |
{ |
2138 |
helper_f2xm1(); |
2139 |
} |
2140 |
|
2141 |
void OPPROTO op_fyl2x(void) |
2142 |
{ |
2143 |
helper_fyl2x(); |
2144 |
} |
2145 |
|
2146 |
void OPPROTO op_fptan(void) |
2147 |
{ |
2148 |
helper_fptan(); |
2149 |
} |
2150 |
|
2151 |
void OPPROTO op_fpatan(void) |
2152 |
{ |
2153 |
helper_fpatan(); |
2154 |
} |
2155 |
|
2156 |
void OPPROTO op_fxtract(void) |
2157 |
{ |
2158 |
helper_fxtract(); |
2159 |
} |
2160 |
|
2161 |
void OPPROTO op_fprem1(void) |
2162 |
{ |
2163 |
helper_fprem1(); |
2164 |
} |
2165 |
|
2166 |
|
2167 |
void OPPROTO op_fprem(void) |
2168 |
{ |
2169 |
helper_fprem(); |
2170 |
} |
2171 |
|
2172 |
void OPPROTO op_fyl2xp1(void) |
2173 |
{ |
2174 |
helper_fyl2xp1(); |
2175 |
} |
2176 |
|
2177 |
void OPPROTO op_fsqrt(void) |
2178 |
{ |
2179 |
helper_fsqrt(); |
2180 |
} |
2181 |
|
2182 |
void OPPROTO op_fsincos(void) |
2183 |
{ |
2184 |
helper_fsincos(); |
2185 |
} |
2186 |
|
2187 |
void OPPROTO op_frndint(void) |
2188 |
{ |
2189 |
helper_frndint(); |
2190 |
} |
2191 |
|
2192 |
void OPPROTO op_fscale(void) |
2193 |
{ |
2194 |
helper_fscale(); |
2195 |
} |
2196 |
|
2197 |
void OPPROTO op_fsin(void) |
2198 |
{ |
2199 |
helper_fsin(); |
2200 |
} |
2201 |
|
2202 |
void OPPROTO op_fcos(void) |
2203 |
{ |
2204 |
helper_fcos(); |
2205 |
} |
2206 |
|
2207 |
void OPPROTO op_fnstsw_A0(void) |
2208 |
{ |
2209 |
int fpus;
|
2210 |
fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; |
2211 |
stw(A0, fpus); |
2212 |
} |
2213 |
|
2214 |
void OPPROTO op_fnstsw_EAX(void) |
2215 |
{ |
2216 |
int fpus;
|
2217 |
fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; |
2218 |
EAX = (EAX & ~0xffff) | fpus;
|
2219 |
} |
2220 |
|
2221 |
void OPPROTO op_fnstcw_A0(void) |
2222 |
{ |
2223 |
stw(A0, env->fpuc); |
2224 |
} |
2225 |
|
2226 |
void OPPROTO op_fldcw_A0(void) |
2227 |
{ |
2228 |
int rnd_type;
|
2229 |
env->fpuc = lduw(A0); |
2230 |
/* set rounding mode */
|
2231 |
switch(env->fpuc & RC_MASK) {
|
2232 |
default:
|
2233 |
case RC_NEAR:
|
2234 |
rnd_type = FE_TONEAREST; |
2235 |
break;
|
2236 |
case RC_DOWN:
|
2237 |
rnd_type = FE_DOWNWARD; |
2238 |
break;
|
2239 |
case RC_UP:
|
2240 |
rnd_type = FE_UPWARD; |
2241 |
break;
|
2242 |
case RC_CHOP:
|
2243 |
rnd_type = FE_TOWARDZERO; |
2244 |
break;
|
2245 |
} |
2246 |
fesetround(rnd_type); |
2247 |
} |
2248 |
|
2249 |
void OPPROTO op_fclex(void) |
2250 |
{ |
2251 |
env->fpus &= 0x7f00;
|
2252 |
} |
2253 |
|
2254 |
void OPPROTO op_fwait(void) |
2255 |
{ |
2256 |
if (env->fpus & FPUS_SE)
|
2257 |
fpu_raise_exception(); |
2258 |
FORCE_RET(); |
2259 |
} |
2260 |
|
2261 |
void OPPROTO op_fninit(void) |
2262 |
{ |
2263 |
env->fpus = 0;
|
2264 |
env->fpstt = 0;
|
2265 |
env->fpuc = 0x37f;
|
2266 |
env->fptags[0] = 1; |
2267 |
env->fptags[1] = 1; |
2268 |
env->fptags[2] = 1; |
2269 |
env->fptags[3] = 1; |
2270 |
env->fptags[4] = 1; |
2271 |
env->fptags[5] = 1; |
2272 |
env->fptags[6] = 1; |
2273 |
env->fptags[7] = 1; |
2274 |
} |
2275 |
|
2276 |
void OPPROTO op_fnstenv_A0(void) |
2277 |
{ |
2278 |
helper_fstenv(A0, PARAM1); |
2279 |
} |
2280 |
|
2281 |
void OPPROTO op_fldenv_A0(void) |
2282 |
{ |
2283 |
helper_fldenv(A0, PARAM1); |
2284 |
} |
2285 |
|
2286 |
void OPPROTO op_fnsave_A0(void) |
2287 |
{ |
2288 |
helper_fsave(A0, PARAM1); |
2289 |
} |
2290 |
|
2291 |
void OPPROTO op_frstor_A0(void) |
2292 |
{ |
2293 |
helper_frstor(A0, PARAM1); |
2294 |
} |
2295 |
|
2296 |
/* threading support */
|
2297 |
void OPPROTO op_lock(void) |
2298 |
{ |
2299 |
cpu_lock(); |
2300 |
} |
2301 |
|
2302 |
void OPPROTO op_unlock(void) |
2303 |
{ |
2304 |
cpu_unlock(); |
2305 |
} |
2306 |
|
2307 |
/* SSE support */
|
2308 |
static inline void memcpy16(void *d, void *s) |
2309 |
{ |
2310 |
((uint32_t *)d)[0] = ((uint32_t *)s)[0]; |
2311 |
((uint32_t *)d)[1] = ((uint32_t *)s)[1]; |
2312 |
((uint32_t *)d)[2] = ((uint32_t *)s)[2]; |
2313 |
((uint32_t *)d)[3] = ((uint32_t *)s)[3]; |
2314 |
} |
2315 |
|
2316 |
void OPPROTO op_movo(void) |
2317 |
{ |
2318 |
/* XXX: badly generated code */
|
2319 |
XMMReg *d, *s; |
2320 |
d = (XMMReg *)((char *)env + PARAM1);
|
2321 |
s = (XMMReg *)((char *)env + PARAM2);
|
2322 |
memcpy16(d, s); |
2323 |
} |
2324 |
|
2325 |
void OPPROTO op_movq(void) |
2326 |
{ |
2327 |
uint64_t *d, *s; |
2328 |
d = (uint64_t *)((char *)env + PARAM1);
|
2329 |
s = (uint64_t *)((char *)env + PARAM2);
|
2330 |
*d = *s; |
2331 |
} |
2332 |
|
2333 |
void OPPROTO op_movl(void) |
2334 |
{ |
2335 |
uint32_t *d, *s; |
2336 |
d = (uint32_t *)((char *)env + PARAM1);
|
2337 |
s = (uint32_t *)((char *)env + PARAM2);
|
2338 |
*d = *s; |
2339 |
} |
2340 |
|
2341 |
void OPPROTO op_movq_env_0(void) |
2342 |
{ |
2343 |
uint64_t *d; |
2344 |
d = (uint64_t *)((char *)env + PARAM1);
|
2345 |
*d = 0;
|
2346 |
} |
2347 |
|
2348 |
void OPPROTO op_fxsave_A0(void) |
2349 |
{ |
2350 |
helper_fxsave(A0, PARAM1); |
2351 |
} |
2352 |
|
2353 |
void OPPROTO op_fxrstor_A0(void) |
2354 |
{ |
2355 |
helper_fxrstor(A0, PARAM1); |
2356 |
} |
2357 |
|
2358 |
/* XXX: optimize by storing fptt and fptags in the static cpu state */
|
2359 |
void OPPROTO op_enter_mmx(void) |
2360 |
{ |
2361 |
env->fpstt = 0;
|
2362 |
*(uint32_t *)(env->fptags) = 0;
|
2363 |
*(uint32_t *)(env->fptags + 4) = 0; |
2364 |
} |
2365 |
|
2366 |
void OPPROTO op_emms(void) |
2367 |
{ |
2368 |
/* set to empty state */
|
2369 |
*(uint32_t *)(env->fptags) = 0x01010101;
|
2370 |
*(uint32_t *)(env->fptags + 4) = 0x01010101; |
2371 |
} |
2372 |
|
2373 |
#define SHIFT 0 |
2374 |
#include "ops_sse.h" |
2375 |
|
2376 |
#define SHIFT 1 |
2377 |
#include "ops_sse.h" |