152
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1 /* { dg-options "-Ofast -mlow-precision-sqrt" } */
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2
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3 #define DEF_LOOP(TYPE, FN) \
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4 void \
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5 test_##TYPE (TYPE *x, int n) \
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6 { \
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7 for (int i = 0; i < n; ++i) \
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8 x[i] = (TYPE) 1 / FN (x[i]); \
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9 }
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10
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11 #define TEST_ALL(T) \
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12 T (_Float16, __builtin_sqrtf16) \
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13 T (float, __builtin_sqrtf) \
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14 T (double, __builtin_sqrt)
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15
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16 TEST_ALL (DEF_LOOP)
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17
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18 /* { dg-final { scan-assembler-not {\tfrsqrte\tz[0-9]+\.h} } } */
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19 /* { dg-final { scan-assembler-not {\tfrsqrts\tz[0-9]+\.h} } } */
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20
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21 /* { dg-final { scan-assembler-times {\tfmul\tz[0-9]+\.s} 2 } } */
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22 /* { dg-final { scan-assembler-times {\tfrsqrte\tz[0-9]+\.s} 1 } } */
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23 /* { dg-final { scan-assembler-times {\tfrsqrts\tz[0-9]+\.s} 1 } } */
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24
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25 /* { dg-final { scan-assembler-times {\tfmul\tz[0-9]+\.d} 4 } } */
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26 /* { dg-final { scan-assembler-times {\tfrsqrte\tz[0-9]+\.d} 1 } } */
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27 /* { dg-final { scan-assembler-times {\tfrsqrts\tz[0-9]+\.d} 2 } } */
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