Viewing file:  sqrt_1.c (1.09 KB) -rw-r--r--
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/* { dg-options "-Ofast -mlow-precision-sqrt" } */
#define DEF_LOOP(TYPE, FN) \
void \
test_##TYPE (TYPE *x, int n) \
{ \
for (int i = 0; i < n; ++i) \
x[i] = FN (x[i]); \
}
#define TEST_ALL(T) \
T (_Float16, __builtin_sqrtf16) \
T (float, __builtin_sqrtf) \
T (double, __builtin_sqrt)
TEST_ALL (DEF_LOOP)
/* { dg-final { scan-assembler {\tfsqrt\tz[0-9]+\.h} } } */
/* { dg-final { scan-assembler-not {\tfrsqrte\tz[0-9]+\.h} } } */
/* { dg-final { scan-assembler-not {\tfrsqrts\tz[0-9]+\.h} } } */
/* { dg-final { scan-assembler-times {\tmovprfx\tz[0-9]+\.s, p[0-7]/z} 1 } } */
/* { dg-final { scan-assembler-times {\tfmul\tz[0-9]+\.s} 3 } } */
/* { dg-final { scan-assembler-times {\tfrsqrte\tz[0-9]+\.s} 1 } } */
/* { dg-final { scan-assembler-times {\tfrsqrts\tz[0-9]+\.s} 1 } } */
/* { dg-final { scan-assembler-times {\tmovprfx\tz[0-9]+\.d, p[0-7]/z} 1 } } */
/* { dg-final { scan-assembler-times {\tfmul\tz[0-9]+\.d} 5 } } */
/* { dg-final { scan-assembler-times {\tfrsqrte\tz[0-9]+\.d} 1 } } */
/* { dg-final { scan-assembler-times {\tfrsqrts\tz[0-9]+\.d} 2 } } */
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