1 files changed, 35 insertions, 0 deletions
diff --git a/SingleSource/Regression/C/gcc-c-torture/execute/pr61375.c b/SingleSource/Regression/C/gcc-c-torture/execute/pr61375.c
new file mode 100644
index 00000000..325f3409
--- /dev/null
+++ b/SingleSource/Regression/C/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 uint64_t variable (PR210931).  */
+
+__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, char **argv)
+{
+  __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;
+}