Viewing file:  mve-vabs.c (1.53 KB) -rw-r--r--
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/* { dg-do assemble } */
/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
/* { dg-add-options arm_v8_1m_mve_fp } */
/* { dg-additional-options "-O3 -funsafe-math-optimizations" } */
#include <stdint.h>
#include <arm_mve.h>
#define ABS(a) ((a < 0) ? -a : a)
#define FUNC(SIGN, TYPE, BITS, NB, NAME) \
void test_ ## NAME ##_ ## SIGN ## BITS ## x ## NB (TYPE##BITS##_t * __restrict__ dest, TYPE##BITS##_t *a) { \
int i; \
for (i=0; i<NB; i++) { \
dest[i] = ABS(a[i]); \
} \
}
#define FUNC_FLOAT(SIGN, TYPE, BITS, NB, NAME) \
void test_ ## NAME ##_ ## SIGN ## BITS ## x ## NB (TYPE * __restrict__ dest, TYPE *a) { \
int i; \
for (i=0; i<NB; i++) { \
dest[i] = ABS(a[i]); \
} \
}
/* 128-bit vectors. */
FUNC(s, int, 32, 4, vabs)
FUNC(u, uint, 32, 4, vabs)
FUNC(s, int, 16, 8, vabs)
FUNC(u, uint, 16, 8, vabs)
FUNC(s, int, 8, 16, vabs)
FUNC(u, uint, 8, 16, vabs)
FUNC_FLOAT(f, float, 32, 4, vabs)
FUNC(f, float, 16, 8, vabs)
/* Taking the absolute value of an unsigned value is a no-op, so half of the
integer optimizations actually generate a call to memmove, the other ones a
'vabs'. */
/* { dg-final { scan-assembler-times {vabs.s[0-9]+\tq[0-9]+, q[0-9]+} 3 } } */
/* { dg-final { scan-assembler-times {vabs.f[0-9]+ q[0-9]+, q[0-9]+} 2 } } */
/* { dg-final { scan-assembler-times {vldr[bhw].[0-9]+\tq[0-9]+} 5 } } */
/* { dg-final { scan-assembler-times {vstr[bhw].[0-9]+\tq[0-9]+} 5 } } */
/* { dg-final { scan-assembler-times {memmove} 3 } } */
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