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annotate gcc/testsuite/gcc.dg/volatile2.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-O2 -fdump-tree-optimized" } */
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3
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4 struct GTeth_desc
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5 {
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6 unsigned ed_cmdsts;
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7 };
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8 struct GTeth_softc
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9 {
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10 struct GTeth_desc txq_desc[32];
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11 };
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12
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13 void foo(struct GTeth_softc *sc)
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14 {
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15 /* Verify that we retain the volatileness on the
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16 store until after optimization. */
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17 volatile struct GTeth_desc *p = &sc->txq_desc[0];
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18 p->ed_cmdsts = 0;
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19 }
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20
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21 /* { dg-final { scan-tree-dump "{v}" "optimized" } } */