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1a282f60a9
qemu-e2k/target/m68k/fpu_helper.c
Mark Cave-Ayland 1a282f60a9 target/m68k: fix FPSR quotient byte for frem instruction 
The FPSR quotient byte should be set to the value of the quotient and not the
result. Manually calculate the quotient in the frem helper in round to nearest
even mode (note this is different from the quotient calculated internally for
fmod), and use it to set the quotient byte accordingly.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/1314
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230114232959.118224-5-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-01-16 09:47:31 +01:00

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/*
* m68k FPU helpers
*
* Copyright (c) 2006-2007 CodeSourcery
* Written by Paul Brook
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "cpu.h"
#include "exec/helper-proto.h"
#include "exec/exec-all.h"
#include "exec/cpu_ldst.h"
#include "softfloat.h"
/*
* Undefined offsets may be different on various FPU.
* On 68040 they return 0.0 (floatx80_zero)
*/
static const floatx80 fpu_rom[128] = {
[0x00] = make_floatx80_init(0x4000, 0xc90fdaa22168c235ULL), /* Pi */
[0x0b] = make_floatx80_init(0x3ffd, 0x9a209a84fbcff798ULL), /* Log10(2) */
[0x0c] = make_floatx80_init(0x4000, 0xadf85458a2bb4a9aULL), /* e */
[0x0d] = make_floatx80_init(0x3fff, 0xb8aa3b295c17f0bcULL), /* Log2(e) */
[0x0e] = make_floatx80_init(0x3ffd, 0xde5bd8a937287195ULL), /* Log10(e) */
[0x0f] = make_floatx80_init(0x0000, 0x0000000000000000ULL), /* Zero */
[0x30] = make_floatx80_init(0x3ffe, 0xb17217f7d1cf79acULL), /* ln(2) */
[0x31] = make_floatx80_init(0x4000, 0x935d8dddaaa8ac17ULL), /* ln(10) */
[0x32] = make_floatx80_init(0x3fff, 0x8000000000000000ULL), /* 10^0 */
[0x33] = make_floatx80_init(0x4002, 0xa000000000000000ULL), /* 10^1 */
[0x34] = make_floatx80_init(0x4005, 0xc800000000000000ULL), /* 10^2 */
[0x35] = make_floatx80_init(0x400c, 0x9c40000000000000ULL), /* 10^4 */
[0x36] = make_floatx80_init(0x4019, 0xbebc200000000000ULL), /* 10^8 */
[0x37] = make_floatx80_init(0x4034, 0x8e1bc9bf04000000ULL), /* 10^16 */
[0x38] = make_floatx80_init(0x4069, 0x9dc5ada82b70b59eULL), /* 10^32 */
[0x39] = make_floatx80_init(0x40d3, 0xc2781f49ffcfa6d5ULL), /* 10^64 */
[0x3a] = make_floatx80_init(0x41a8, 0x93ba47c980e98ce0ULL), /* 10^128 */
[0x3b] = make_floatx80_init(0x4351, 0xaa7eebfb9df9de8eULL), /* 10^256 */
[0x3c] = make_floatx80_init(0x46a3, 0xe319a0aea60e91c7ULL), /* 10^512 */
[0x3d] = make_floatx80_init(0x4d48, 0xc976758681750c17ULL), /* 10^1024 */
[0x3e] = make_floatx80_init(0x5a92, 0x9e8b3b5dc53d5de5ULL), /* 10^2048 */
[0x3f] = make_floatx80_init(0x7525, 0xc46052028a20979bULL), /* 10^4096 */
};
int32_t HELPER(reds32)(CPUM68KState *env, FPReg *val)
{
return floatx80_to_int32(val->d, &env->fp_status);
}
float32 HELPER(redf32)(CPUM68KState *env, FPReg *val)
{
return floatx80_to_float32(val->d, &env->fp_status);
}
void HELPER(exts32)(CPUM68KState *env, FPReg *res, int32_t val)
{
res->d = int32_to_floatx80(val, &env->fp_status);
}
void HELPER(extf32)(CPUM68KState *env, FPReg *res, float32 val)
{
res->d = float32_to_floatx80(val, &env->fp_status);
}
void HELPER(extf64)(CPUM68KState *env, FPReg *res, float64 val)
{
res->d = float64_to_floatx80(val, &env->fp_status);
}
float64 HELPER(redf64)(CPUM68KState *env, FPReg *val)
{
return floatx80_to_float64(val->d, &env->fp_status);
}
void HELPER(firound)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_round_to_int(val->d, &env->fp_status);
}
static void m68k_restore_precision_mode(CPUM68KState *env)
{
switch (env->fpcr & FPCR_PREC_MASK) {
case FPCR_PREC_X: /* extended */
set_floatx80_rounding_precision(floatx80_precision_x, &env->fp_status);
break;
case FPCR_PREC_S: /* single */
set_floatx80_rounding_precision(floatx80_precision_s, &env->fp_status);
break;
case FPCR_PREC_D: /* double */
set_floatx80_rounding_precision(floatx80_precision_d, &env->fp_status);
break;
case FPCR_PREC_U: /* undefined */
default:
break;
}
}
static void cf_restore_precision_mode(CPUM68KState *env)
{
if (env->fpcr & FPCR_PREC_S) { /* single */
set_floatx80_rounding_precision(floatx80_precision_s, &env->fp_status);
} else { /* double */
set_floatx80_rounding_precision(floatx80_precision_d, &env->fp_status);
}
}
static void restore_rounding_mode(CPUM68KState *env)
{
switch (env->fpcr & FPCR_RND_MASK) {
case FPCR_RND_N: /* round to nearest */
set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
break;
case FPCR_RND_Z: /* round to zero */
set_float_rounding_mode(float_round_to_zero, &env->fp_status);
break;
case FPCR_RND_M: /* round toward minus infinity */
set_float_rounding_mode(float_round_down, &env->fp_status);
break;
case FPCR_RND_P: /* round toward positive infinity */
set_float_rounding_mode(float_round_up, &env->fp_status);
break;
}
}
void cpu_m68k_restore_fp_status(CPUM68KState *env)
{
if (m68k_feature(env, M68K_FEATURE_CF_FPU)) {
cf_restore_precision_mode(env);
} else {
m68k_restore_precision_mode(env);
}
restore_rounding_mode(env);
}
void cpu_m68k_set_fpcr(CPUM68KState *env, uint32_t val)
{
env->fpcr = val & 0xffff;
cpu_m68k_restore_fp_status(env);
}
void HELPER(fitrunc)(CPUM68KState *env, FPReg *res, FPReg *val)
{
FloatRoundMode rounding_mode = get_float_rounding_mode(&env->fp_status);
set_float_rounding_mode(float_round_to_zero, &env->fp_status);
res->d = floatx80_round_to_int(val->d, &env->fp_status);
set_float_rounding_mode(rounding_mode, &env->fp_status);
}
void HELPER(set_fpcr)(CPUM68KState *env, uint32_t val)
{
cpu_m68k_set_fpcr(env, val);
}
#define PREC_BEGIN(prec) \
do { \
FloatX80RoundPrec old = \
get_floatx80_rounding_precision(&env->fp_status); \
set_floatx80_rounding_precision(prec, &env->fp_status) \
#define PREC_END() \
set_floatx80_rounding_precision(old, &env->fp_status); \
} while (0)
void HELPER(fsround)(CPUM68KState *env, FPReg *res, FPReg *val)
{
PREC_BEGIN(floatx80_precision_s);
res->d = floatx80_round(val->d, &env->fp_status);
PREC_END();
}
void HELPER(fdround)(CPUM68KState *env, FPReg *res, FPReg *val)
{
PREC_BEGIN(floatx80_precision_d);
res->d = floatx80_round(val->d, &env->fp_status);
PREC_END();
}
void HELPER(fsqrt)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_sqrt(val->d, &env->fp_status);
}
void HELPER(fssqrt)(CPUM68KState *env, FPReg *res, FPReg *val)
{
PREC_BEGIN(floatx80_precision_s);
res->d = floatx80_sqrt(val->d, &env->fp_status);
PREC_END();
}
void HELPER(fdsqrt)(CPUM68KState *env, FPReg *res, FPReg *val)
{
PREC_BEGIN(floatx80_precision_d);
res->d = floatx80_sqrt(val->d, &env->fp_status);
PREC_END();
}
void HELPER(fabs)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_round(floatx80_abs(val->d), &env->fp_status);
}
void HELPER(fsabs)(CPUM68KState *env, FPReg *res, FPReg *val)
{
PREC_BEGIN(floatx80_precision_s);
res->d = floatx80_round(floatx80_abs(val->d), &env->fp_status);
PREC_END();
}
void HELPER(fdabs)(CPUM68KState *env, FPReg *res, FPReg *val)
{
PREC_BEGIN(floatx80_precision_d);
res->d = floatx80_round(floatx80_abs(val->d), &env->fp_status);
PREC_END();
}
void HELPER(fneg)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_round(floatx80_chs(val->d), &env->fp_status);
}
void HELPER(fsneg)(CPUM68KState *env, FPReg *res, FPReg *val)
{
PREC_BEGIN(floatx80_precision_s);
res->d = floatx80_round(floatx80_chs(val->d), &env->fp_status);
PREC_END();
}
void HELPER(fdneg)(CPUM68KState *env, FPReg *res, FPReg *val)
{
PREC_BEGIN(floatx80_precision_d);
res->d = floatx80_round(floatx80_chs(val->d), &env->fp_status);
PREC_END();
}
void HELPER(fadd)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
res->d = floatx80_add(val0->d, val1->d, &env->fp_status);
}
void HELPER(fsadd)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
PREC_BEGIN(floatx80_precision_s);
res->d = floatx80_add(val0->d, val1->d, &env->fp_status);
PREC_END();
}
void HELPER(fdadd)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
PREC_BEGIN(floatx80_precision_d);
res->d = floatx80_add(val0->d, val1->d, &env->fp_status);
PREC_END();
}
void HELPER(fsub)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
res->d = floatx80_sub(val1->d, val0->d, &env->fp_status);
}
void HELPER(fssub)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
PREC_BEGIN(floatx80_precision_s);
res->d = floatx80_sub(val1->d, val0->d, &env->fp_status);
PREC_END();
}
void HELPER(fdsub)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
PREC_BEGIN(floatx80_precision_d);
res->d = floatx80_sub(val1->d, val0->d, &env->fp_status);
PREC_END();
}
void HELPER(fmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
res->d = floatx80_mul(val0->d, val1->d, &env->fp_status);
}
void HELPER(fsmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
PREC_BEGIN(floatx80_precision_s);
res->d = floatx80_mul(val0->d, val1->d, &env->fp_status);
PREC_END();
}
void HELPER(fdmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
PREC_BEGIN(floatx80_precision_d);
res->d = floatx80_mul(val0->d, val1->d, &env->fp_status);
PREC_END();
}
void HELPER(fsglmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
FloatRoundMode rounding_mode = get_float_rounding_mode(&env->fp_status);
floatx80 a, b;
PREC_BEGIN(floatx80_precision_s);
set_float_rounding_mode(float_round_to_zero, &env->fp_status);
a = floatx80_round(val0->d, &env->fp_status);
b = floatx80_round(val1->d, &env->fp_status);
set_float_rounding_mode(rounding_mode, &env->fp_status);
res->d = floatx80_mul(a, b, &env->fp_status);
PREC_END();
}
void HELPER(fdiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
res->d = floatx80_div(val1->d, val0->d, &env->fp_status);
}
void HELPER(fsdiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
PREC_BEGIN(floatx80_precision_s);
res->d = floatx80_div(val1->d, val0->d, &env->fp_status);
PREC_END();
}
void HELPER(fddiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
PREC_BEGIN(floatx80_precision_d);
res->d = floatx80_div(val1->d, val0->d, &env->fp_status);
PREC_END();
}
void HELPER(fsgldiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
FloatRoundMode rounding_mode = get_float_rounding_mode(&env->fp_status);
floatx80 a, b;
PREC_BEGIN(floatx80_precision_s);
set_float_rounding_mode(float_round_to_zero, &env->fp_status);
a = floatx80_round(val1->d, &env->fp_status);
b = floatx80_round(val0->d, &env->fp_status);
set_float_rounding_mode(rounding_mode, &env->fp_status);
res->d = floatx80_div(a, b, &env->fp_status);
PREC_END();
}
static int float_comp_to_cc(int float_compare)
{
switch (float_compare) {
case float_relation_equal:
return FPSR_CC_Z;
case float_relation_less:
return FPSR_CC_N;
case float_relation_unordered:
return FPSR_CC_A;
case float_relation_greater:
return 0;
default:
g_assert_not_reached();
}
}
void HELPER(fcmp)(CPUM68KState *env, FPReg *val0, FPReg *val1)
{
int float_compare;
float_compare = floatx80_compare(val1->d, val0->d, &env->fp_status);
env->fpsr = (env->fpsr & ~FPSR_CC_MASK) | float_comp_to_cc(float_compare);
}
void HELPER(ftst)(CPUM68KState *env, FPReg *val)
{
uint32_t cc = 0;
if (floatx80_is_neg(val->d)) {
cc |= FPSR_CC_N;
}
if (floatx80_is_any_nan(val->d)) {
cc |= FPSR_CC_A;
} else if (floatx80_is_infinity(val->d)) {
cc |= FPSR_CC_I;
} else if (floatx80_is_zero(val->d)) {
cc |= FPSR_CC_Z;
}
env->fpsr = (env->fpsr & ~FPSR_CC_MASK) | cc;
}
void HELPER(fconst)(CPUM68KState *env, FPReg *val, uint32_t offset)
{
val->d = fpu_rom[offset];
}
typedef int (*float_access)(CPUM68KState *env, uint32_t addr, FPReg *fp,
uintptr_t ra);
static uint32_t fmovem_predec(CPUM68KState *env, uint32_t addr, uint32_t mask,
float_access access_fn)
{
uintptr_t ra = GETPC();
int i, size;
for (i = 7; i >= 0; i--, mask <<= 1) {
if (mask & 0x80) {
size = access_fn(env, addr, &env->fregs[i], ra);
if ((mask & 0xff) != 0x80) {
addr -= size;
}
}
}
return addr;
}
static uint32_t fmovem_postinc(CPUM68KState *env, uint32_t addr, uint32_t mask,
float_access access_fn)
{
uintptr_t ra = GETPC();
int i, size;
for (i = 0; i < 8; i++, mask <<= 1) {
if (mask & 0x80) {
size = access_fn(env, addr, &env->fregs[i], ra);
addr += size;
}
}
return addr;
}
static int cpu_ld_floatx80_ra(CPUM68KState *env, uint32_t addr, FPReg *fp,
uintptr_t ra)
{
uint32_t high;
uint64_t low;
high = cpu_ldl_data_ra(env, addr, ra);
low = cpu_ldq_data_ra(env, addr + 4, ra);
fp->l.upper = high >> 16;
fp->l.lower = low;
return 12;
}
static int cpu_st_floatx80_ra(CPUM68KState *env, uint32_t addr, FPReg *fp,
uintptr_t ra)
{
cpu_stl_data_ra(env, addr, fp->l.upper << 16, ra);
cpu_stq_data_ra(env, addr + 4, fp->l.lower, ra);
return 12;
}
static int cpu_ld_float64_ra(CPUM68KState *env, uint32_t addr, FPReg *fp,
uintptr_t ra)
{
uint64_t val;
val = cpu_ldq_data_ra(env, addr, ra);
fp->d = float64_to_floatx80(*(float64 *)&val, &env->fp_status);
return 8;
}
static int cpu_st_float64_ra(CPUM68KState *env, uint32_t addr, FPReg *fp,
uintptr_t ra)
{
float64 val;
val = floatx80_to_float64(fp->d, &env->fp_status);
cpu_stq_data_ra(env, addr, *(uint64_t *)&val, ra);
return 8;
}
uint32_t HELPER(fmovemx_st_predec)(CPUM68KState *env, uint32_t addr,
uint32_t mask)
{
return fmovem_predec(env, addr, mask, cpu_st_floatx80_ra);
}
uint32_t HELPER(fmovemx_st_postinc)(CPUM68KState *env, uint32_t addr,
uint32_t mask)
{
return fmovem_postinc(env, addr, mask, cpu_st_floatx80_ra);
}
uint32_t HELPER(fmovemx_ld_postinc)(CPUM68KState *env, uint32_t addr,
uint32_t mask)
{
return fmovem_postinc(env, addr, mask, cpu_ld_floatx80_ra);
}
uint32_t HELPER(fmovemd_st_predec)(CPUM68KState *env, uint32_t addr,
uint32_t mask)
{
return fmovem_predec(env, addr, mask, cpu_st_float64_ra);
}
uint32_t HELPER(fmovemd_st_postinc)(CPUM68KState *env, uint32_t addr,
uint32_t mask)
{
return fmovem_postinc(env, addr, mask, cpu_st_float64_ra);
}
uint32_t HELPER(fmovemd_ld_postinc)(CPUM68KState *env, uint32_t addr,
uint32_t mask)
{
return fmovem_postinc(env, addr, mask, cpu_ld_float64_ra);
}
static void make_quotient(CPUM68KState *env, int sign, uint32_t quotient)
{
quotient = (sign << 7) | (quotient & 0x7f);
env->fpsr = (env->fpsr & ~FPSR_QT_MASK) | (quotient << FPSR_QT_SHIFT);
}
void HELPER(fmod)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
uint64_t quotient;
int sign = extractFloatx80Sign(val1->d) ^ extractFloatx80Sign(val0->d);
res->d = floatx80_modrem(val1->d, val0->d, true, &quotient,
&env->fp_status);
if (floatx80_is_any_nan(res->d)) {
return;
}
make_quotient(env, sign, quotient);
}
void HELPER(frem)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
FPReg fp_quot;
floatx80 fp_rem;
fp_rem = floatx80_rem(val1->d, val0->d, &env->fp_status);
if (!floatx80_is_any_nan(fp_rem)) {
float_status fp_status = { };
uint32_t quotient;
int sign;
/* Calculate quotient directly using round to nearest mode */
set_float_rounding_mode(float_round_nearest_even, &fp_status);
set_floatx80_rounding_precision(
get_floatx80_rounding_precision(&env->fp_status), &fp_status);
fp_quot.d = floatx80_div(val1->d, val0->d, &fp_status);
sign = extractFloatx80Sign(fp_quot.d);
quotient = floatx80_to_int32(floatx80_abs(fp_quot.d), &env->fp_status);
make_quotient(env, sign, quotient);
}
res->d = fp_rem;
}
void HELPER(fgetexp)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_getexp(val->d, &env->fp_status);
}
void HELPER(fgetman)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_getman(val->d, &env->fp_status);
}
void HELPER(fscale)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1)
{
res->d = floatx80_scale(val1->d, val0->d, &env->fp_status);
}
void HELPER(flognp1)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_lognp1(val->d, &env->fp_status);
}
void HELPER(flogn)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_logn(val->d, &env->fp_status);
}
void HELPER(flog10)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_log10(val->d, &env->fp_status);
}
void HELPER(flog2)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_log2(val->d, &env->fp_status);
}
void HELPER(fetox)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_etox(val->d, &env->fp_status);
}
void HELPER(ftwotox)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_twotox(val->d, &env->fp_status);
}
void HELPER(ftentox)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_tentox(val->d, &env->fp_status);
}
void HELPER(ftan)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_tan(val->d, &env->fp_status);
}
void HELPER(fsin)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_sin(val->d, &env->fp_status);
}
void HELPER(fcos)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_cos(val->d, &env->fp_status);
}
void HELPER(fsincos)(CPUM68KState *env, FPReg *res0, FPReg *res1, FPReg *val)
{
floatx80 a = val->d;
/*
* If res0 and res1 specify the same floating-point data register,
* the sine result is stored in the register, and the cosine
* result is discarded.
*/
res1->d = floatx80_cos(a, &env->fp_status);
res0->d = floatx80_sin(a, &env->fp_status);
}
void HELPER(fatan)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_atan(val->d, &env->fp_status);
}
void HELPER(fasin)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_asin(val->d, &env->fp_status);
}
void HELPER(facos)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_acos(val->d, &env->fp_status);
}
void HELPER(fatanh)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_atanh(val->d, &env->fp_status);
}
void HELPER(fetoxm1)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_etoxm1(val->d, &env->fp_status);
}
void HELPER(ftanh)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_tanh(val->d, &env->fp_status);
}
void HELPER(fsinh)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_sinh(val->d, &env->fp_status);
}
void HELPER(fcosh)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_cosh(val->d, &env->fp_status);
}
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