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annotate gcc/testsuite/gcc.dg/predict-18.c @ 144:8f4e72ab4e11

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fix segmentation fault caused by nothing next cur_op to end
author Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 21:23:56 +0900
parents 84e7813d76e9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
131
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1 /* { dg-do compile } */
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2 /* { dg-options "-O2 -fdump-tree-profile_estimate" } */
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3
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4 extern int global;
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5
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6 int x;
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7
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8 short v = 0;
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9 short expected = 0;
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10 short max = ~0;
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11 #define STRONG 0
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12
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13 void foo (int a, int b)
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14 {
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15 if (__builtin_expect_with_probability (a < b, 1, 0.6f) > __builtin_expect (b, 0))
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16 global++;
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17
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18 if (__builtin_expect_with_probability (a < b, 1, 0.777f) > 0)
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19 global++;
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20
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21 if (__builtin_expect_with_probability (a < b, 1, 0.99) == __atomic_compare_exchange_n (&v, &expected, max, STRONG , __ATOMIC_RELAXED, __ATOMIC_RELAXED))
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22 global++;
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23
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24 if (__builtin_expect_with_probability (a < 10, 1, 0.9f) > __builtin_expect_with_probability (b, 0, 0.8f))
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25 global++;
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26 }
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27
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28 /* { dg-final { scan-tree-dump "__builtin_expect_with_probability heuristics of edge .*->.*: 54.00%" "profile_estimate"} } */
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29 /* { dg-final { scan-tree-dump "__builtin_expect_with_probability heuristics of edge .*->.*: 77.70%" "profile_estimate"} } */
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30 /* { dg-final { scan-tree-dump "__builtin_expect_with_probability heuristics of edge .*->.*: 98.96%" "profile_estimate"} } */
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31 /* { dg-final { scan-tree-dump "__builtin_expect_with_probability heuristics of edge .*->.*: 71.99%" "profile_estimate"} } */