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arm-gen.c: detect long double structures as HFA

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when long double is equal to double
This commit is contained in:
Daniel Glöckner
2016-10-08 18:47:35 +02:00
parent b42cb16b65
commit 3dfee1d290
1 changed files with 11 additions and 2 deletions
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13
arm-gen.c
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@ -776,6 +776,15 @@ static void gcall_or_jmp(int is_jmp)
} }
} }
static int unalias_ldbl(int btype)
{
#if LDOUBLE_SIZE == 8
if (btype == VT_LDOUBLE)
btype = VT_DOUBLE;
#endif
return btype;
}
/* Return whether a structure is an homogeneous float aggregate or not. /* Return whether a structure is an homogeneous float aggregate or not.
The answer is true if all the elements of the structure are of the same The answer is true if all the elements of the structure are of the same
primitive float type and there is less than 4 elements. primitive float type and there is less than 4 elements.
@ -788,9 +797,9 @@ static int is_hgen_float_aggr(CType *type)
int btype, nb_fields = 0; int btype, nb_fields = 0;
ref = type->ref->next; ref = type->ref->next;
btype = ref->type.t & VT_BTYPE; btype = unalias_ldbl(ref->type.t & VT_BTYPE);
if (btype == VT_FLOAT || btype == VT_DOUBLE) { if (btype == VT_FLOAT || btype == VT_DOUBLE) {
for(; ref && btype == (ref->type.t & VT_BTYPE); ref = ref->next, nb_fields++); for(; ref && btype == unalias_ldbl(ref->type.t & VT_BTYPE); ref = ref->next, nb_fields++);
return !ref && nb_fields <= 4; return !ref && nb_fields <= 4;
} }
} }