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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.dg/fold-bitand-1.c
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Diffstat (limited to 'gcc/testsuite/gcc.dg/fold-bitand-1.c')
-rw-r--r--gcc/testsuite/gcc.dg/fold-bitand-1.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/fold-bitand-1.c b/gcc/testsuite/gcc.dg/fold-bitand-1.c
new file mode 100644
index 000000000..f490b153b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/fold-bitand-1.c
@@ -0,0 +1,33 @@
+/* { dg-do compile } */
+/* { dg-options "-w -fdump-tree-original" } */
+
+char c1 __attribute__ ((aligned (1)));
+char c2 __attribute__ ((aligned (2)));
+char c4 __attribute__ ((aligned (4)));
+char c8 __attribute__ ((aligned (8)));
+unsigned f1(void)
+{
+ return 3 & (__SIZE_TYPE__)&c1;
+}
+
+unsigned f2(void)
+{
+ return 3 & (__SIZE_TYPE__)&c2;
+}
+
+unsigned f3(void)
+{
+ return 3 & (__SIZE_TYPE__)&c4;
+}
+
+unsigned f4(void)
+{
+ return 3 & (__SIZE_TYPE__)&c8;
+}
+
+/* { dg-final { scan-tree-dump-times "\&c1 \& 3" 1 "original" } } */
+/* { dg-final { scan-tree-dump-times "\&c2 \& 3" 1 "original" } } */
+/* { dg-final { scan-tree-dump-times "\&c4 \& 3" 0 "original" } } */
+/* { dg-final { scan-tree-dump-times "\&c8 \& 3" 0 "original" } } */
+/* { dg-final { scan-tree-dump-times "return 0" 2 "original" } } */
+/* { dg-final { cleanup-tree-dump "original" } } */