Viewing file:  mve-vclz.c (1016 B) -rw-r--r--
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/* { dg-do compile } */
/* { dg-require-effective-target arm_v8_1m_mve_ok } */
/* { dg-add-options arm_v8_1m_mve } */
/* { dg-additional-options "-O3" } */
#include <stdint.h>
#define FUNC(SIGN, TYPE, BITS, NAME) \
void test_ ## NAME ##_ ## SIGN ## BITS (TYPE##BITS##_t * __restrict__ dest, \
TYPE##BITS##_t *a) { \
int i; \
for (i=0; i < (128 / BITS); i++) { \
dest[i] = (TYPE##BITS##_t)__builtin_clz(a[i]); \
} \
}
FUNC(s, int, 32, clz)
FUNC(u, uint, 32, clz)
FUNC(s, int, 16, clz)
FUNC(u, uint, 16, clz)
FUNC(s, int, 8, clz)
FUNC(u, uint, 8, clz)
/* 16 and 8-bit versions are not vectorized because they need pack/unpack
patterns since __builtin_clz uses 32-bit parameter and return value. */
/* { dg-final { scan-assembler-times {vclz\.i32 q[0-9]+, q[0-9]+} 2 } } */
/* { dg-final { scan-assembler-times {vclz\.i16 q[0-9]+, q[0-9]+} 2 { xfail *-*-* } } } */
/* { dg-final { scan-assembler-times {vclz\.i8 q[0-9]+, q[0-9]+} 2 { xfail *-*-* } } } */
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