?? pr19055-2.c
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/* { dg-do compile } *//* { dg-options "-fdump-tree-gimple" } */int f1(int a,int b,int c,int d){ return ((a&d)|(b&c)) ^ (b&c);}int f2(int a,int b,int c,int d){ return (b&c) ^ ((a&d)|(b&c));}int f3(int a,int b,int c,int d){ return ((b&c)|(a&d)) ^ (b&c);}int f4(int a,int b,int c,int d){ return (b&c) ^ ((b&c)|(a&d));}/* There should be no ^, 4 ~ and 12 &. *//* { dg-final { scan-tree-dump-times "\\^" 0 "gimple"} } *//* { dg-final { scan-tree-dump-times "~" 4 "gimple"} } *//* { dg-final { scan-tree-dump-times "&" 12 "gimple"} } *//* { dg-final { cleanup-tree-dump "gimple" } } */?? 快捷鍵說明
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