Viewing file:  mve-vld2.c (2.81 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" } */
#include <stdint.h>
#define M00 100
#define M10 216
#define M01 1322
#define M11 13
#define N 128
/* Integer tests. */
#define FUNC(SIGN, TYPE, BITS) \
void foo_##SIGN##BITS##x (TYPE##BITS##_t *__restrict__ pInput, \
TYPE##BITS##_t *__restrict__ pOutput) \
{ \
unsigned int i; \
TYPE##BITS##_t a, b; \
\
for (i = 0; i < N / BITS; i++) \
{ \
a = *pInput++; \
b = *pInput++; \
\
*pOutput++ = M00 * a + M01 * b; \
*pOutput++ = M10 * a + M11 * b; \
} \
}
FUNC(s, int, 8)
FUNC(u, uint, 8)
FUNC(s, int, 16)
FUNC(u, uint, 16)
FUNC(s, int, 32)
FUNC(u, uint, 32)
/* float test, keep the macro because it's similar to the above, but does not
need the ##BITS##_t. */
#define FUNC_FLOAT(SIGN, TYPE, BITS) \
void foo_##SIGN##BITS##x (TYPE *__restrict__ pInput, \
TYPE *__restrict__ pOutput) \
{ \
unsigned int i; \
TYPE a, b; \
\
for (i = 0; i < N / BITS; i++) \
{ \
a = *pInput++; \
b = *pInput++; \
\
*pOutput++ = M00 * a + M01 * b; \
*pOutput++ = M10 * a + M11 * b; \
} \
}
FUNC_FLOAT(f, float, 32)
/* __fp16 test, needs explicit casts to avoid conversions to floating-point and
failure to vectorize. */
__fp16 M00_fp16 = 100.0f16;
__fp16 M10_fp16 = 216.0f16;
__fp16 M01_fp16 = 1322.0f16;
__fp16 M11_fp16 = 13.0f16;
#define FUNC_FLOAT_FP16(SIGN, TYPE, BITS) \
void foo_##SIGN##BITS##x (TYPE *__restrict__ pInput, \
TYPE *__restrict__ pOutput) \
{ \
unsigned int i; \
TYPE a, b; \
\
for (i = 0; i < N / BITS; i++) \
{ \
a = *pInput++; \
b = *pInput++; \
\
*pOutput++ = (__fp16)(M00_fp16 * a) + (__fp16)(M01_fp16 * b); \
*pOutput++ = (__fp16)(M10_fp16 * a) + (__fp16)(M11_fp16 * b); \
} \
}
FUNC_FLOAT_FP16(f, __fp16, 16)
/* vld2X.8 is used for signed and unsigned chars: 2 pairs. */
/* vld2X.16 is used for signed and unsigned shorts and __fp16: 3 pairs. */
/* vld2X.32 is used for signed and unsigned ints and float: 3 pairs. */
/* { dg-final { scan-assembler-times {vld2[01].8\t.q[0-9]+, q[0-9]+., } 4 } } */
/* { dg-final { scan-assembler-times {vld2[01].16\t.q[0-9]+, q[0-9]+., } 6 } } */
/* { dg-final { scan-assembler-times {vld2[01].32\t.q[0-9]+, q[0-9]+., } 6 } } */
/* { dg-final { scan-assembler-times {vst2[01].8\t.q[0-9]+, q[0-9]+., } 4 } } */
/* { dg-final { scan-assembler-times {vst2[01].16\t.q[0-9]+, q[0-9]+., } 6 } } */
/* { dg-final { scan-assembler-times {vst2[01].32\t.q[0-9]+, q[0-9]+., } 6 } } */
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