* gcc.target/powerpc/outofline_rnreg.c: New testcase.

From-SVN: r174995

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 6081160..1d9bc22 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2011-06-13  Edmar Wienskoski  <edmar@freescale.com>
+
+       * gcc.target/powerpc/outofline_rnreg.c: New testcase.
+
 2011-06-13  H.J. Lu  <hongjiu.lu@intel.com>
 
        * gcc.dg/h8300-bit-insn-ice2.c: Remove duplicated lines.

diff --git a/gcc/testsuite/gcc.target/powerpc/outofline_rnreg.c b/gcc/testsuite/gcc.target/powerpc/outofline_rnreg.c
new file mode 100644 (file)
index 0000000..a80a46f
--- /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);
+}