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/* Verify zero initialization for array, union, and structure type automatic variables. */
/* { dg-do compile } */
/* { dg-options "-ftrivial-auto-var-init=zero -fdump-rtl-expand -march=x86-64 -mtune=generic -fno-stack-protector -msse" } */
struct S
{
int f1;
float f2;
char f3[20];
};
union U
{
char u1[5];
int u2;
float u3;
};
double result;
double foo()
{
int temp1[3];
double temp2[3];
struct S temp3;
union U temp4;
result = temp1[2] + temp2[1] + temp3.f2 + temp4.u3;
return result;
}
/* { dg-final { scan-rtl-dump-times "const_int 0 \\\[0\\\]\\\)\\\)" 3 "expand" } } */
/* { dg-final { scan-rtl-dump-times "const_int 0 \\\[0\\\]\\\) repeated x16" 2 "expand" } } */
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