PR optimization/11018

	* config/sparc/sparc.c (sparc_v8plus_shift): Use which_alternative
	consistently to decide whether the scratch register is really
	required.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@67429 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 39 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/ultrasp9.c b/gcc/testsuite/gcc.dg/ultrasp9.c
new file mode 100644
index 00000000000..885420e0509
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/ultrasp9.c
@@ -0,0 +1,39 @@
+/* PR optimization/11018 */
+/* Originator: <partain@dcs.gla.ac.uk> */
+/* { dg-do run { target sparc*-*-* } } */
+/* { dg-options "-O2 -mcpu=ultrasparc" } */
+
+/* This used to fail on 32-bit Ultrasparc because
+   of broken DImode shift patterns.  */
+
+extern void abort(void);
+
+typedef unsigned long long uint64_t;
+typedef unsigned int size_t;
+
+
+void to_octal (uint64_t value, char *where, size_t size)
+{
+  uint64_t v = value;
+  size_t i = size;
+
+  do
+    {
+      where[--i] = '0' + (v & ((1 << 3) - 1));
+      v >>= 3;
+    }
+  while (i);
+}
+
+
+int main (void)
+{
+  char buf[8];
+
+  to_octal(010644, buf, 6);
+
+  if (buf[1] != '1')
+     abort();
+
+  return 0;
+}