Viewing file:  vect-cond-11.c (2.19 KB) -rw-r--r--
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#include "tree-vect.h"
#define N 1024
typedef int V __attribute__((vector_size (4)));
unsigned int a[N * 2] __attribute__((aligned));
unsigned int b[N * 2] __attribute__((aligned));
V c[N];
__attribute__((noinline, noclone)) unsigned int
foo (unsigned int *a, unsigned int *b)
{
int i;
unsigned int r = 0;
for (i = 0; i < N; i++)
{
unsigned int x = a[i], y = b[i];
if (x < 32)
{
x = x + 127;
y = y * 2;
}
else
{
x = x - 16;
y = y + 1;
}
a[i] = x;
b[i] = y;
r += x;
}
return r;
}
__attribute__((noinline, noclone)) unsigned int
bar (unsigned int *a, unsigned int *b)
{
int i;
unsigned int r = 0;
for (i = 0; i < N; i++)
{
unsigned int x = a[i], y = b[i];
if (x < 32)
{
x = x + 127;
y = y * 2;
}
else
{
x = x - 16;
y = y + 1;
}
a[i] = x;
b[i] = y;
c[i] = c[i] + 1;
r += x;
}
return r;
}
void
baz (unsigned int *a, unsigned int *b,
unsigned int (*fn) (unsigned int *, unsigned int *))
{
int i;
for (i = -64; i < 0; i++)
{
a[i] = 19;
b[i] = 17;
}
for (; i < N; i++)
{
a[i] = i - 512;
b[i] = i;
}
for (; i < N + 64; i++)
{
a[i] = 27;
b[i] = 19;
}
if (fn (a, b) != -512U - (N - 32) * 16U + 32 * 127U)
__builtin_abort ();
for (i = -64; i < 0; i++)
if (a[i] != 19 || b[i] != 17)
__builtin_abort ();
for (; i < N; i++)
if (a[i] != (i - 512U < 32U ? i - 512U + 127 : i - 512U - 16)
|| b[i] != (i - 512U < 32U ? i * 2U : i + 1U))
__builtin_abort ();
for (; i < N + 64; i++)
if (a[i] != 27 || b[i] != 19)
__builtin_abort ();
}
int
main ()
{
int i;
check_vect ();
baz (a + 512, b + 512, foo);
baz (a + 512, b + 512, bar);
baz (a + 512 + 1, b + 512 + 1, foo);
baz (a + 512 + 1, b + 512 + 1, bar);
baz (a + 512 + 31, b + 512 + 31, foo);
baz (a + 512 + 31, b + 512 + 31, bar);
baz (a + 512 + 1, b + 512, foo);
baz (a + 512 + 1, b + 512, bar);
baz (a + 512 + 31, b + 512, foo);
baz (a + 512 + 31, b + 512, bar);
baz (a + 512, b + 512 + 1, foo);
baz (a + 512, b + 512 + 1, bar);
baz (a + 512, b + 512 + 31, foo);
baz (a + 512, b + 512 + 31, bar);
return 0;
}
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