mupen64plus-oldsvn/r4300/x86_64/gcop1.c

154 lines
4.8 KiB
C

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Mupen64plus - gcop1.c *
* Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ *
* Copyright (C) 2007 Richard Goedeken (Richard42) *
* Copyright (C) 2002 Hacktarux *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <stdio.h>
#include "assemble.h"
#include "interpret.h"
#include "../recomph.h"
#include "../recomp.h"
#include "../r4300.h"
#include "../ops.h"
#include "../macros.h"
#include "../../memory/memory.h"
void genmfc1(void)
{
#if defined(COUNT_INSTR)
inc_m32abs(&instr_count[111]);
#endif
#ifdef INTERPRET_MFC1
gencallinterp((unsigned long long)MFC1, 0);
#else
gencheck_cop1_unusable();
mov_reg64_m64abs(RAX, (unsigned long long *)(&reg_cop1_simple[dst->f.r.nrd]));
mov_reg32_preg64(EBX, RAX);
mov_m32abs_reg32((unsigned int*)dst->f.r.rt, EBX);
sar_reg32_imm8(EBX, 31);
mov_m32abs_reg32(((unsigned int*)dst->f.r.rt)+1, EBX);
#endif
}
void gendmfc1(void)
{
#if defined(COUNT_INSTR)
inc_m32abs(&instr_count[112]);
#endif
#ifdef INTERPRET_DMFC1
gencallinterp((unsigned long long)DMFC1, 0);
#else
gencheck_cop1_unusable();
mov_reg64_m64abs(RAX, (unsigned long long *) (&reg_cop1_double[dst->f.r.nrd]));
mov_reg32_preg64(EBX, RAX);
mov_reg32_preg64pimm32(ECX, RAX, 4);
mov_m32abs_reg32((unsigned int*)dst->f.r.rt, EBX);
mov_m32abs_reg32(((unsigned int*)dst->f.r.rt)+1, ECX);
#endif
}
void gencfc1(void)
{
#if defined(COUNT_INSTR)
inc_m32abs(&instr_count[113]);
#endif
#ifdef INTERPRET_CFC1
gencallinterp((unsigned long long)CFC1, 0);
#else
gencheck_cop1_unusable();
if(dst->f.r.nrd == 31) mov_reg32_m32abs(EAX, (unsigned int*)&FCR31);
else mov_reg32_m32abs(EAX, (unsigned int*)&FCR0);
mov_m32abs_reg32((unsigned int*)dst->f.r.rt, EAX);
sar_reg32_imm8(EAX, 31);
mov_m32abs_reg32(((unsigned int*)dst->f.r.rt)+1, EAX);
#endif
}
void genmtc1(void)
{
#if defined(COUNT_INSTR)
inc_m32abs(&instr_count[114]);
#endif
#ifdef INTERPRET_MTC1
gencallinterp((unsigned long long)MTC1, 0);
#else
gencheck_cop1_unusable();
mov_reg32_m32abs(EAX, (unsigned int*)dst->f.r.rt);
mov_reg64_m64abs(RBX, (unsigned long long *)(&reg_cop1_simple[dst->f.r.nrd]));
mov_preg64_reg32(RBX, EAX);
#endif
}
void gendmtc1(void)
{
#if defined(COUNT_INSTR)
inc_m32abs(&instr_count[115]);
#endif
#ifdef INTERPRET_DMTC1
gencallinterp((unsigned long long)DMTC1, 0);
#else
gencheck_cop1_unusable();
mov_reg32_m32abs(EAX, (unsigned int*)dst->f.r.rt);
mov_reg32_m32abs(EBX, ((unsigned int*)dst->f.r.rt)+1);
mov_reg64_m64abs(RDX, (unsigned long long *)(&reg_cop1_double[dst->f.r.nrd]));
mov_preg64_reg32(RDX, EAX);
mov_preg64pimm32_reg32(RDX, 4, EBX);
#endif
}
void genctc1(void)
{
#if defined(COUNT_INSTR)
inc_m32abs(&instr_count[116]);
#endif
#ifdef INTERPRET_CTC1
gencallinterp((unsigned long long)CTC1, 0);
#else
gencheck_cop1_unusable();
if (dst->f.r.nrd != 31) return;
mov_reg32_m32abs(EAX, (unsigned int*)dst->f.r.rt);
mov_m32abs_reg32((unsigned int*)&FCR31, EAX);
and_eax_imm32(3);
cmp_eax_imm32(0);
jne_rj(13);
mov_m32abs_imm32((unsigned int*)&rounding_mode, 0x33F); // 11
jmp_imm_short(51); // 2
cmp_eax_imm32(1); // 5
jne_rj(13); // 2
mov_m32abs_imm32((unsigned int*)&rounding_mode, 0xF3F); // 11
jmp_imm_short(31); // 2
cmp_eax_imm32(2); // 5
jne_rj(13); // 2
mov_m32abs_imm32((unsigned int*)&rounding_mode, 0xB3F); // 11
jmp_imm_short(11); // 2
mov_m32abs_imm32((unsigned int*)&rounding_mode, 0x73F); // 11
fldcw_m16abs((unsigned short*)&rounding_mode);
#endif
}