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annotate gcc/testsuite/gcc.dg/tm/pub-safety-1.c @ 132:d34655255c78

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update gcc-8.2
author mir3636
date Thu, 25 Oct 2018 10:21:07 +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 "-fgnu-tm -O1 -fdump-tree-lim2" } */
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3
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4 /* Test that thread visible loads do not get hoisted out of loops if
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5 the load would not have occurred on each path out of the loop. */
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6
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7 int x[10] = {0,0,0,0,0,0,0,0,0,0};
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8 int DATA_DATA = 0;
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9
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10 void reader()
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11 {
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12 int i;
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13 __transaction_atomic
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14 {
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15 for (i = 0; i < 10; i++)
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16 if (x[i])
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17 x[i] += DATA_DATA;
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18 /* If we loaded DATA_DATA here, we could hoist it before the loop,
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19 but since we don't... we can't. */
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20 }
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21 }
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22
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23 /* { dg-final { scan-tree-dump-times "Cannot hoist.*DATA_DATA because it is in a transaction" 1 "lim2" } } */