1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/pr99905.c b/gcc/testsuite/gcc.target/i386/pr99905.c
new file mode 100644
index 0000000..6d1b230
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr99905.c
@@ -0,0 +1,33 @@
+/* PR rtl-optimization/99905 */
+/* { dg-do run { target int128 } } */
+/* { dg-options "-Os -mno-mmx -mno-sse" } */
+
+typedef unsigned char U;
+typedef unsigned char __attribute__((__vector_size__ (8))) A;
+typedef unsigned char __attribute__((__vector_size__ (16))) B;
+typedef unsigned char __attribute__((__vector_size__ (32))) C;
+typedef unsigned int __attribute__((__vector_size__ (8))) D;
+typedef unsigned long long __attribute__((__vector_size__ (8))) E;
+typedef unsigned __int128 I;
+typedef unsigned long long L;
+
+D gv;
+I gi;
+
+L __attribute__((__noipa__))
+foo (int ua, int ub, int uc, int ud, E ue, I i)
+{
+  D d = (U) __builtin_bswap16 (i >> 63) + gv;
+  B y = ((union { C a; B b[2];}) (C){ }).b[0] + (B) gi;
+  A z = ((union { B a; A b[2];}) y).b[0] + (A) d;
+  return (L)z;
+}
+
+int
+main ()
+{
+  L x = foo (0, 0, 0, 0, (E) { }, (I) 0x100 << 63);
+  if (x != 0x100000001)
+    __builtin_abort ();
+  return 0;
+}