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/* Test that using a character splat to set up a shift-left
for a doubleword vector works correctly after gimple folding. */
/* { dg-do run { target { p8vector_hw } } } */
/* { dg-options "-O2 -mvsx" } */
/* { dg-additional-options "-mdejagnu-cpu=power8" { target { ! has_arch_pwr8 } } } */
#include <altivec.h>
typedef __vector unsigned long long vui64_t;
static inline vui64_t
vec_sldi (vui64_t vra, const unsigned int shb)
{
vui64_t lshift;
vui64_t result;
/* Note legitimate use of wrong-type splat due to expectation that only
lower 6-bits are read. */
lshift = (vui64_t) vec_splat_s8 (shb);
/* Vector Shift Left Doublewords based on the lower 6-bits
of corresponding element of lshift. */
result = vec_vsld (vra, lshift);
return result;
}
__attribute__ ((noinline)) vui64_t
test_sldi_4 (vui64_t a)
{
return vec_sldi (a, 4);
}
int
main ()
{
vui64_t x = {-256, 1025};
x = test_sldi_4 (x);
if (x[0] != -4096 || x[1] != 16400)
__builtin_abort ();
return 0;
}
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