30 lines
658 B
C
30 lines
658 B
C
/* PR 21171. Ivopts should not rewrite references to volatile memory. */
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/* { dg-do compile } */
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/* { dg-options "-O1 -fdump-tree-optimized" } */
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typedef unsigned int u_int32_t;
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typedef unsigned char u_int8_t;
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#define AIC_VECTORS 32
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typedef volatile struct AT91RM9200_regs {
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u_int32_t SVR[AIC_VECTORS];
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} AT91RM9200_regs_t;
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#define CPUReg ((AT91RM9200_regs_t*)0xFFF00000)
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extern const u_int32_t __IntTable[AIC_VECTORS];
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int main()
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{
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int c;
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for (c = 0; c < AIC_VECTORS; c++)
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CPUReg->SVR[c] = __IntTable[c];
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return 0;
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}
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/* { dg-final { scan-tree-dump-times "SVR" 1 "optimized"} } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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