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target-m68k: move FPU helpers to fpu_helper.c

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Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-Id: <20170611231633.32582-3-laurent@vivier.eu>
This commit is contained in:
Laurent Vivier 2017-06-12 01:16:28 +02:00
parent e5b0cbe8e8
commit c88f8107b1
3 changed files with 113 additions and 89 deletions
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88
target/m68k/helper.c
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@ -284,94 +284,6 @@ void HELPER(set_sr)(CPUM68KState *env, uint32_t val)
m68k_switch_sp(env);
}
/* FPU helpers. */
uint32_t HELPER(f64_to_i32)(CPUM68KState *env, float64 val)
{
return float64_to_int32(val, &env->fp_status);
}
float32 HELPER(f64_to_f32)(CPUM68KState *env, float64 val)
{
return float64_to_float32(val, &env->fp_status);
}
float64 HELPER(i32_to_f64)(CPUM68KState *env, uint32_t val)
{
return int32_to_float64(val, &env->fp_status);
}
float64 HELPER(f32_to_f64)(CPUM68KState *env, float32 val)
{
return float32_to_float64(val, &env->fp_status);
}
float64 HELPER(iround_f64)(CPUM68KState *env, float64 val)
{
return float64_round_to_int(val, &env->fp_status);
}
float64 HELPER(itrunc_f64)(CPUM68KState *env, float64 val)
{
return float64_trunc_to_int(val, &env->fp_status);
}
float64 HELPER(sqrt_f64)(CPUM68KState *env, float64 val)
{
return float64_sqrt(val, &env->fp_status);
}
float64 HELPER(abs_f64)(float64 val)
{
return float64_abs(val);
}
float64 HELPER(chs_f64)(float64 val)
{
return float64_chs(val);
}
float64 HELPER(add_f64)(CPUM68KState *env, float64 a, float64 b)
{
return float64_add(a, b, &env->fp_status);
}
float64 HELPER(sub_f64)(CPUM68KState *env, float64 a, float64 b)
{
return float64_sub(a, b, &env->fp_status);
}
float64 HELPER(mul_f64)(CPUM68KState *env, float64 a, float64 b)
{
return float64_mul(a, b, &env->fp_status);
}
float64 HELPER(div_f64)(CPUM68KState *env, float64 a, float64 b)
{
return float64_div(a, b, &env->fp_status);
}
float64 HELPER(sub_cmp_f64)(CPUM68KState *env, float64 a, float64 b)
{
/* ??? This may incorrectly raise exceptions. */
/* ??? Should flush denormals to zero. */
float64 res;
res = float64_sub(a, b, &env->fp_status);
if (float64_is_quiet_nan(res, &env->fp_status)) {
/* +/-inf compares equal against itself, but sub returns nan. */
if (!float64_is_quiet_nan(a, &env->fp_status)
&& !float64_is_quiet_nan(b, &env->fp_status)) {
res = float64_zero;
if (float64_lt_quiet(a, res, &env->fp_status))
res = float64_chs(res);
}
}
return res;
}
uint32_t HELPER(compare_f64)(CPUM68KState *env, float64 val)
{
return float64_compare_quiet(val, float64_zero, &env->fp_status);
}
/* MAC unit. */
/* FIXME: The MAC unit implementation is a bit of a mess. Some helpers