Viewing file:  forwprop-20.c (1.57 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-require-effective-target double64 } */
/* { dg-options "-O -fdump-tree-forwprop1" } */
#include <stdint.h>
/* All of these optimizations happen for unsupported vector modes as a
consequence of the lowering pass. We need to test with a vector mode
that is supported by default on at least some architectures, or make
the test target specific so we can pass a flag like -mavx. */
typedef double vecf __attribute__ ((vector_size (2 * sizeof (double))));
typedef int64_t veci __attribute__ ((vector_size (2 * sizeof (int64_t))));
void f (double d, vecf* r)
{
vecf x = { -d, 5 };
vecf y = { 1, 4 };
veci m = { 2, 0 };
*r = __builtin_shuffle (x, y, m); // { 1, -d }
}
void g (float d, vecf* r)
{
vecf x = { d, 5 };
vecf y = { 1, 4 };
veci m = { 2, 1 };
*r = __builtin_shuffle (x, y, m); // { 1, 5 }
}
void h (double d, vecf* r)
{
vecf x = { d + 1, 5 };
vecf y = { 1 , 4 };
veci m = { 2 , 0 };
*r = __builtin_shuffle (y, x, m); // { d + 1, 1 }
}
void i (float d, vecf* r)
{
vecf x = { d, 5 };
veci m = { 1, 0 };
*r = __builtin_shuffle (x, m); // { 5, d }
}
void j (vecf* r)
{
vecf y = { 1, 2 };
veci m = { 0, 0 };
*r = __builtin_shuffle (y, m); // { 1, 1 }
}
void k (vecf* r)
{
vecf x = { 3, 4 };
vecf y = { 1, 2 };
veci m = { 3, 0 };
*r = __builtin_shuffle (x, y, m); // { 2, 3 }
}
void l (double d, vecf* r)
{
vecf x = { -d, 5 };
vecf y = { d, 4 };
veci m = { 2, 0 };
*r = __builtin_shuffle (x, y, m); // { d, -d }
}
/* { dg-final { scan-tree-dump-not "VEC_PERM_EXPR" "forwprop1" } } */
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