18 lines
428 B
C
18 lines
428 B
C
/* Make sure that gcc understands that an in/out operand is a use as well
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as a def. */
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/* { dg-do compile } */
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/* { dg-options "-O -fdump-tree-optimized" } */
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void f()
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{
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int i = 42;
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int j = 63;
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asm ("": "=m"(i), "+r"(j) : "m"(i));
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}
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/* { dg-final { scan-tree-dump-times "42" 1 "optimized" } } */
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/* { dg-final { scan-tree-dump-times "63" 1 "optimized" } } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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