1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/outofline_rnreg.c b/gcc/testsuite/gcc.target/powerpc/outofline_rnreg.c
new file mode 100644
index 000000000..a80a46f40
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/outofline_rnreg.c
@@ -0,0 +1,15 @@
+/* Test that registers used by out of line restore functions does not get renamed.
+   AIX, and 64 bit targets uses r1, which rnreg stays away from.
+   Linux 32 bits targets uses r11, which is susceptible to be renamed */
+/* { dg-do compile } */
+/* { dg-require-effective-target ilp32 } */
+/* { dg-options "-Os -frename-registers -fdump-rtl-rnreg" } */
+/* "* renamed" or "* no available better choice" results are not acceptable */
+/* { dg-final { scan-rtl-dump-not "Register 11 in insn *" "rnreg" { target powerpc*-*-linux* } } } */
+/* { dg-final { cleanup-rtl-dump "rnreg" } } */
+int
+calc (int j)
+{
+  if (j<=1) return 1;
+  return calc(j-1)*(j+1);
+}