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softfloat: Move pick_nan_muladd to softfloat-parts.c.inc

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At the same time, convert to pointers, rename to pick_nan_muladd$N
and define a macro for pick_nan_muladd using QEMU_GENERIC.

Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2020-10-23 17:12:12 -07:00
parent 22c355f417
commit 979582d071
2 changed files with 53 additions and 40 deletions
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40
fpu/softfloat-parts.c.inc
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@ -60,3 +60,43 @@ static FloatPartsN *partsN(pick_nan)(FloatPartsN *a, FloatPartsN *b,
}
return a;
}
static FloatPartsN *partsN(pick_nan_muladd)(FloatPartsN *a, FloatPartsN *b,
FloatPartsN *c, float_status *s,
int ab_mask, int abc_mask)
{
int which;
if (unlikely(abc_mask & float_cmask_snan)) {
float_raise(float_flag_invalid, s);
}
which = pickNaNMulAdd(a->cls, b->cls, c->cls,
ab_mask == float_cmask_infzero, s);
if (s->default_nan_mode || which == 3) {
/*
* Note that this check is after pickNaNMulAdd so that function
* has an opportunity to set the Invalid flag for infzero.
*/
parts_default_nan(a, s);
return a;
}
switch (which) {
case 0:
break;
case 1:
a = b;
break;
case 2:
a = c;
break;
default:
g_assert_not_reached();
}
if (is_snan(a->cls)) {
parts_silence_nan(a, s);
}
return a;
}