1 files changed, 47 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/eh/arm-iwmmxt-unwind.C b/gcc/testsuite/g++.dg/eh/arm-iwmmxt-unwind.C
new file mode 100644
index 000000000..109837cd8
--- /dev/null
+++ b/gcc/testsuite/g++.dg/eh/arm-iwmmxt-unwind.C
@@ -0,0 +1,47 @@
+/* Test unwinding of iWMMXt register saves.  */
+/* Origin: Joseph Myers <joseph@codesourcery.com> */
+
+/* { dg-do run } */
+/* { dg-require-effective-target arm32 } */
+
+#ifdef __IWMMXT__
+extern "C" void abort (void);
+extern "C" void exit (int);
+
+void
+foo (void)
+{
+  register long long wr10 asm("wr10") = 0;
+  register long long wr11 asm("wr11") = 1;
+  register long long wr12 asm("wr12") = 2;
+  register long long wr14 asm("wr14") = 4;
+  register long long wr15 asm("wr15") = 5;
+  asm volatile ("" : "+y" (wr10), "+y" (wr11), "+y" (wr12), "+y" (wr14), "+y" (wr15));
+  throw "";
+}
+
+int
+main (void)
+{
+  register long long wr10 asm("wr10") = 10;
+  register long long wr11 asm("wr11") = 11;
+  register long long wr12 asm("wr12") = 12;
+  register long long wr13 asm("wr13") = 13;
+  register long long wr14 asm("wr14") = 14;
+  register long long wr15 asm("wr15") = 15;
+  asm volatile ("" : "+y" (wr10), "+y" (wr11), "+y" (wr12), "+y" (wr13), "+y" (wr14), "+y" (wr15));
+  try {
+    foo ();
+  } catch (...) {
+    asm volatile ("" : "+y" (wr10), "+y" (wr11), "+y" (wr12), "+y" (wr13), "+y" (wr14), "+y" (wr15));
+    if (wr10 != 10 || wr11 != 11 || wr12 != 12 || wr13 != 13 || wr14 != 14 || wr15 != 15)
+      abort ();
+  }
+  exit (0);
+}
+#else
+int
+main (void)
+{
+}
+#endif