Viewing file:  mulhrs_1.c (3.25 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-details --save-temps" } */
#include <stdint.h>
#define MULTHI(TYPE, BIGGER, RND) \
TYPE __attribute__ ((noinline, noclone)) \
mulhs_##TYPE##_##RND (TYPE *restrict x, \
TYPE *restrict y, TYPE *restrict z, int n) \
{ \
for (int i = 0; i < n; i++) \
{ \
z[i] = ((((BIGGER)x[i] * (BIGGER)y[i]) >> \
(sizeof(BIGGER)*8/2-2)) + RND) >> 1; \
} \
}
MULTHI (int8_t, int16_t, 0)
MULTHI (int16_t, int32_t, 0)
MULTHI (int32_t, int64_t, 0)
MULTHI (uint8_t, uint16_t, 0)
MULTHI (uint16_t, uint32_t, 0)
MULTHI (uint32_t, uint64_t, 0)
MULTHI (int8_t, int16_t, 1)
MULTHI (int16_t, int32_t, 1)
MULTHI (int32_t, int64_t, 1)
MULTHI (uint8_t, uint16_t, 1)
MULTHI (uint16_t, uint32_t, 1)
MULTHI (uint32_t, uint64_t, 1)
/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 12 "vect" } } */
/* { dg-final { scan-assembler-times {\tsmullb\tz[0-9]+\.h, z[0-9]+\.b, z[0-9]+\.b\n} 2 } } */
/* { dg-final { scan-assembler-times {\tsmullt\tz[0-9]+\.h, z[0-9]+\.b, z[0-9]+\.b\n} 2 } } */
/* { dg-final { scan-assembler-times {\tsmullb\tz[0-9]+\.s, z[0-9]+\.h, z[0-9]+\.h\n} 2 } } */
/* { dg-final { scan-assembler-times {\tsmullt\tz[0-9]+\.s, z[0-9]+\.h, z[0-9]+\.h\n} 2 } } */
/* { dg-final { scan-assembler-times {\tsmullb\tz[0-9]+\.d, z[0-9]+\.s, z[0-9]+\.s\n} 2 } } */
/* { dg-final { scan-assembler-times {\tsmullt\tz[0-9]+\.d, z[0-9]+\.s, z[0-9]+\.s\n} 2 } } */
/* { dg-final { scan-assembler-times {\tshrnb\tz[0-9]+\.b, z[0-9]+\.h, #7\n} 2 } } */
/* { dg-final { scan-assembler-times {\tshrnt\tz[0-9]+\.b, z[0-9]+\.h, #7\n} 2 } } */
/* { dg-final { scan-assembler-times {\tshrnb\tz[0-9]+\.h, z[0-9]+\.s, #15\n} 2 } } */
/* { dg-final { scan-assembler-times {\tshrnt\tz[0-9]+\.h, z[0-9]+\.s, #15\n} 2 } } */
/* { dg-final { scan-assembler-times {\tshrnb\tz[0-9]+\.s, z[0-9]+\.d, #31\n} 2 } } */
/* { dg-final { scan-assembler-times {\tshrnt\tz[0-9]+\.s, z[0-9]+\.d, #31\n} 2 } } */
/* { dg-final { scan-assembler-times {\tumullb\tz[0-9]+\.h, z[0-9]+\.b, z[0-9]+\.b\n} 2 } } */
/* { dg-final { scan-assembler-times {\tumullt\tz[0-9]+\.h, z[0-9]+\.b, z[0-9]+\.b\n} 2 } } */
/* { dg-final { scan-assembler-times {\tumullb\tz[0-9]+\.s, z[0-9]+\.h, z[0-9]+\.h\n} 2 } } */
/* { dg-final { scan-assembler-times {\tumullt\tz[0-9]+\.s, z[0-9]+\.h, z[0-9]+\.h\n} 2 } } */
/* { dg-final { scan-assembler-times {\tumullb\tz[0-9]+\.d, z[0-9]+\.s, z[0-9]+\.s\n} 2 } } */
/* { dg-final { scan-assembler-times {\tumullt\tz[0-9]+\.d, z[0-9]+\.s, z[0-9]+\.s\n} 2 } } */
/* { dg-final { scan-assembler-times {\trshrnb\tz[0-9]+\.b, z[0-9]+\.h, #7\n} 2 } } */
/* { dg-final { scan-assembler-times {\trshrnt\tz[0-9]+\.b, z[0-9]+\.h, #7\n} 2 } } */
/* { dg-final { scan-assembler-times {\trshrnb\tz[0-9]+\.h, z[0-9]+\.s, #15\n} 2 } } */
/* { dg-final { scan-assembler-times {\trshrnt\tz[0-9]+\.h, z[0-9]+\.s, #15\n} 2 } } */
/* { dg-final { scan-assembler-times {\trshrnb\tz[0-9]+\.s, z[0-9]+\.d, #31\n} 2 } } */
/* { dg-final { scan-assembler-times {\trshrnt\tz[0-9]+\.s, z[0-9]+\.d, #31\n} 2 } } */
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