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/* { dg-do run } */
/* { dg-options "-ftree-vectorize" } */
float val[256];
float x;
void __attribute__((noinline,noclone))
foo(int len, int beg)
{
int i;
for (i = len - 1; i >= beg; --i)
x += val[i] * 2;
}
void __attribute__((noinline,noclone))
bar(void)
{
int i;
for (i = 255; i >= 0; --i)
x += val[i] * 2;
for (i = 254; i >= 0; --i)
x += val[i] * 2;
for (i = 253; i >= 0; --i)
x += val[i] * 2;
for (i = 252; i >= 0; --i)
x += val[i] * 2;
}
float y[256];
void __attribute__((noinline,noclone))
foobar(void)
{
int i;
for (i = 0; i < 252; ++i)
{
float l = 0;
l += val[255 - i] * 2;
l += val[254 - i] * 2;
l += val[253 - i] * 2;
l += val[252 - i] * 2;
y[i] = l;
}
}
int main()
{
foo(256-1, 0);
foo(256-2, 0);
foo(256-3, 0);
foo(256-4, 0);
bar();
foobar();
return 0;
}
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