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/*
* SH4 emulation
*
* Copyright (c) 2005 Samuel Tardieu
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "exec.h"
static inline void set_t(void)
{
env->sr |= SR_T;
}
static inline void clr_t(void)
{
env->sr &= ~SR_T;
}
static inline void cond_t(int cond)
{
if (cond)
set_t();
else
clr_t();
}
void OPPROTO op_fmov_frN_FT0(void)
{
FT0 = env->fregs[PARAM1];
RETURN();
}
void OPPROTO op_fmov_drN_DT0(void)
{
CPU_DoubleU d;
d.l.upper = *(uint32_t *)&env->fregs[PARAM1];
d.l.lower = *(uint32_t *)&env->fregs[PARAM1 + 1];
DT0 = d.d;
RETURN();
}
void OPPROTO op_fmov_frN_FT1(void)
{
FT1 = env->fregs[PARAM1];
RETURN();
}
void OPPROTO op_fmov_drN_DT1(void)
{
CPU_DoubleU d;
d.l.upper = *(uint32_t *)&env->fregs[PARAM1];
d.l.lower = *(uint32_t *)&env->fregs[PARAM1 + 1];
DT1 = d.d;
RETURN();
}
void OPPROTO op_fmov_FT0_frN(void)
{
env->fregs[PARAM1] = FT0;
RETURN();
}
void OPPROTO op_fmov_DT0_drN(void)
{
CPU_DoubleU d;
d.d = DT0;
*(uint32_t *)&env->fregs[PARAM1] = d.l.upper;
*(uint32_t *)&env->fregs[PARAM1 + 1] = d.l.lower;
RETURN();
}
void OPPROTO op_fadd_FT(void)
{
FT0 = float32_add(FT0, FT1, &env->fp_status);
RETURN();
}
void OPPROTO op_fadd_DT(void)
{
DT0 = float64_add(DT0, DT1, &env->fp_status);
RETURN();
}
void OPPROTO op_fsub_FT(void)
{
FT0 = float32_sub(FT0, FT1, &env->fp_status);
RETURN();
}
void OPPROTO op_fsub_DT(void)
{
DT0 = float64_sub(DT0, DT1, &env->fp_status);
RETURN();
}
void OPPROTO op_fmul_FT(void)
{
FT0 = float32_mul(FT0, FT1, &env->fp_status);
RETURN();
}
void OPPROTO op_fmul_DT(void)
{
DT0 = float64_mul(DT0, DT1, &env->fp_status);
RETURN();
}
void OPPROTO op_fdiv_FT(void)
{
FT0 = float32_div(FT0, FT1, &env->fp_status);
RETURN();
}
void OPPROTO op_fdiv_DT(void)
{
DT0 = float64_div(DT0, DT1, &env->fp_status);
RETURN();
}
void OPPROTO op_fcmp_eq_FT(void)
{
cond_t(float32_compare(FT0, FT1, &env->fp_status) == 0);
RETURN();
}
void OPPROTO op_fcmp_eq_DT(void)
{
cond_t(float64_compare(DT0, DT1, &env->fp_status) == 0);
RETURN();
}
void OPPROTO op_fcmp_gt_FT(void)
{
cond_t(float32_compare(FT0, FT1, &env->fp_status) == 1);
RETURN();
}
void OPPROTO op_fcmp_gt_DT(void)
{
cond_t(float64_compare(DT0, DT1, &env->fp_status) == 1);
RETURN();
}
void OPPROTO op_float_FT(void)
{
FT0 = int32_to_float32(env->fpul, &env->fp_status);
RETURN();
}
void OPPROTO op_float_DT(void)
{
DT0 = int32_to_float64(env->fpul, &env->fp_status);
RETURN();
}
void OPPROTO op_ftrc_FT(void)
{
env->fpul = float32_to_int32_round_to_zero(FT0, &env->fp_status);
RETURN();
}
void OPPROTO op_ftrc_DT(void)
{
env->fpul = float64_to_int32_round_to_zero(DT0, &env->fp_status);
RETURN();
}
void OPPROTO op_fneg_frN(void)
{
env->fregs[PARAM1] = float32_chs(env->fregs[PARAM1]);
RETURN();
}
void OPPROTO op_fabs_FT(void)
{
FT0 = float32_abs(FT0);
RETURN();
}
void OPPROTO op_fabs_DT(void)
{
DT0 = float64_abs(DT0);
RETURN();
}
void OPPROTO op_fcnvsd_FT_DT(void)
{
DT0 = float32_to_float64(FT0, &env->fp_status);
RETURN();
}
void OPPROTO op_fcnvds_DT_FT(void)
{
FT0 = float64_to_float32(DT0, &env->fp_status);
RETURN();
}
void OPPROTO op_fsqrt_FT(void)
{
FT0 = float32_sqrt(FT0, &env->fp_status);
RETURN();
}
void OPPROTO op_fsqrt_DT(void)
{
DT0 = float64_sqrt(DT0, &env->fp_status);
RETURN();
}
void OPPROTO op_fmov_T0_frN(void)
{
*(uint32_t *)&env->fregs[PARAM1] = T0;
RETURN();
}
void OPPROTO op_movl_fpul_FT0(void)
{
FT0 = *(float32 *)&env->fpul;
RETURN();
}
void OPPROTO op_movl_FT0_fpul(void)
{
*(float32 *)&env->fpul = FT0;
RETURN();
}
/* Load and store */
#define MEMSUFFIX _raw
#include "op_mem.c"
#undef MEMSUFFIX
#if !defined(CONFIG_USER_ONLY)
#define MEMSUFFIX _user
#include "op_mem.c"
#undef MEMSUFFIX
#define MEMSUFFIX _kernel
#include "op_mem.c"
#undef MEMSUFFIX
#endif
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