diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/fold-bitand-4.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/fold-bitand-4.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/fold-bitand-4.c b/gcc/testsuite/gcc.dg/fold-bitand-4.c new file mode 100644 index 000000000..acb0ce9af --- /dev/null +++ b/gcc/testsuite/gcc.dg/fold-bitand-4.c @@ -0,0 +1,45 @@ +/* { dg-do compile } */ +/* { dg-options "-fdump-tree-original" } */ +/* { dg-options "-fdump-tree-original -fno-common" { target hppa*-*-hpux* } } */ + +typedef char char4[4] __attribute__ ((aligned (4))); +char4 c4[4] __attribute__ ((aligned (16))); + +typedef char char16[16] __attribute__ ((aligned (16))); +char16 c16[4] __attribute__ ((aligned (4))); + +int f1 (void) +{ + /* 12 */ + return 15 & (__SIZE_TYPE__)&c4[3]; +} + +int f2 (int i) +{ + /* Indeterminate */ + return 15 & (__SIZE_TYPE__)&c4[i]; +} + +int f3 (int i) +{ + /* 0 */ + return 3 & (__SIZE_TYPE__)&c4[i]; +} + +int f4 (int i) +{ + /* Indeterminate */ + return 7 & (__SIZE_TYPE__)&c16[i]; +} + +int f5 (int i) +{ + /* 0 */ + return 3 & (__SIZE_TYPE__)&c16[i]; +} + +/* { dg-final { scan-tree-dump-times "return 12" 1 "original" } } */ +/* { dg-final { scan-tree-dump-times "\& 15" 1 "original" } } */ +/* { dg-final { scan-tree-dump-times "return 0" 2 "original" } } */ +/* { dg-final { scan-tree-dump-times "\& 7" 1 "original" } } */ +/* { dg-final { cleanup-tree-dump "original" } } */ |