Viewing file:  vec_bool_cmp_1.c (1.29 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-O2 -ftree-vectorize" } */
#include <stdint.h>
#include <stdbool.h>
#define VEC_BOOL(NAME, OP, VARTYPE, INDUCTYPE) \
void __attribute__ ((noinline, noclone)) \
vec_bool_##NAME##_##VARTYPE##_##INDUCTYPE (VARTYPE *dst, VARTYPE *src, \
INDUCTYPE start, \
INDUCTYPE n, \
INDUCTYPE mask) \
{ \
for (INDUCTYPE i = 0; i < n; i++) \
{ \
bool lhs = i >= start; \
bool rhs = (i & mask) != 0x3D; \
if (lhs OP rhs) \
dst[i] = src[i]; \
} \
}
#define TEST_OP(T, NAME, OP) \
T (NAME, OP, uint8_t, uint8_t) \
T (NAME, OP, uint16_t, uint16_t) \
T (NAME, OP, uint32_t, uint32_t) \
T (NAME, OP, uint64_t, uint64_t) \
T (NAME, OP, float, uint32_t) \
T (NAME, OP, double, uint64_t)
#define TEST_ALL(T) \
TEST_OP (T, cmpeq, ==) \
TEST_OP (T, cmpne, !=)
TEST_ALL (VEC_BOOL)
/* Both cmpne and cmpeq loops will contain an exclusive predicate or. */
/* { dg-final { scan-assembler-times {\teors?\tp[0-9]*\.b, p[0-7]/z, p[0-9]*\.b, p[0-9]*\.b\n} 12 } } */
/* cmpeq will also contain a masked predicate not operation, which gets
folded to BIC. */
/* { dg-final { scan-assembler-times {\tbic\tp[0-9]+\.b, p[0-7]/z, p[0-9]+\.b, p[0-9]+\.b\n} 6 } } */
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