?? pr14796-1.c
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/* { dg-do compile } *//* { dg-options "-fdump-tree-gimple" } */int f (int a) { return (a << 3) << 6;}int g (int b) { return (b >> 5) << 5;}unsigned long long h (unsigned long long c) { return (c << 60) >> 60;}int l (int d) { return (d << 6) >> 6;}/* { dg-final { scan-tree-dump "a << 9" "gimple" } } *//* { dg-final { scan-tree-dump "b & -32" "gimple" } } *//* { dg-final { scan-tree-dump "c & 15" "gimple" } } *//* { dg-final { scan-tree-dump "d << 6" "gimple" } } *//* { dg-final { cleanup-tree-dump "gimple" } } */?? 快捷鍵說明
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