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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr61375.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr61375.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr61375.c
new file mode 100644
index 000000000..6fb46939e
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr61375.c
@@ -0,0 +1,35 @@
+#ifdef __UINT64_TYPE__
+typedef __UINT64_TYPE__ uint64_t;
+#else
+typedef unsigned long long uint64_t;
+#endif
+
+#ifndef __SIZEOF_INT128__
+#define __int128 long long
+#endif
+
+/* Some version of bswap optimization would ICE when analyzing a mask constant
+ too big for an HOST_WIDE_INT (PR61375). */
+
+__attribute__ ((noinline, noclone)) uint64_t
+uint128_central_bitsi_ior (unsigned __int128 in1, uint64_t in2)
+{
+ __int128 mask = (__int128)0xffff << 56;
+ return ((in1 & mask) >> 56) | in2;
+}
+
+int
+main (int argc)
+{
+ __int128 in = 1;
+#ifdef __SIZEOF_INT128__
+ in <<= 64;
+#endif
+ if (sizeof (uint64_t) * __CHAR_BIT__ != 64)
+ return 0;
+ if (sizeof (unsigned __int128) * __CHAR_BIT__ != 128)
+ return 0;
+ if (uint128_central_bitsi_ior (in, 2) != 0x102)
+ __builtin_abort ();
+ return 0;
+}