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annotate gcc/testsuite/gcc.dg/pr67043.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-O3 -fcompare-debug -w" } */
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3
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4 extern void rt_mutex_owner (void);
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5 extern void rt_mutex_deadlock_account_lock (int);
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6 extern void signal_pending (void);
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7 __typeof__ (int *) a;
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8 int b;
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9
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10 int
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11 try_to_take_rt_mutex (int p1) {
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12 rt_mutex_owner ();
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13 if (b)
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14 return 0;
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15 rt_mutex_deadlock_account_lock (p1);
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16 return 1;
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17 }
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18
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19 void
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20 __rt_mutex_slowlock (int p1) {
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21 int c;
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22 for (;;) {
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23 c = ({
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24 asm ("" : "=r"(a));
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25 a;
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26 });
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27 if (try_to_take_rt_mutex (c))
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28 break;
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29 if (__builtin_expect (p1 == 0, 0))
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30 signal_pending ();
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31 }
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32 }