octeon-bbit-2.c: Restructure loops so that no code duplication is required.

gcc/testsuite/
	* gcc.target/mips/octeon-bbit-2.c: Restructure loops so that no
	code duplication is required.  Allow BNE to appear.

From-SVN: r194370

gcc/testsuite/ChangeLog

 2012-12-10  Richard Sandiford  <rdsandiford@googlemail.com>
 
+	* gcc.target/mips/octeon-bbit-2.c: Restructure loops so that no
+	code duplication is required.  Allow BNE to appear.
+
+2012-12-10  Richard Sandiford  <rdsandiford@googlemail.com>
+
 	* gcc.target/mips/ext-2.c: Require -mlong64.
 
 2012-12-10  Richard Biener  <rguenther@suse.de>

gcc/testsuite/gcc.target/mips/octeon-bbit-2.c

@@ -4,22 +4,21 @@
 /* { dg-final { scan-assembler "\tbbit\[01\]\t" } } */
 /* { dg-final { scan-assembler-not "\tbbit\[01\]l\t" } } */
 /* { dg-final { scan-assembler "\tbnel\t" } } */
-/* { dg-final { scan-assembler-not "\tbne\t" } } */
 
 NOMIPS16 int
-f (int n, int i)
+f (int *a, int *b)
 {
-  int s = 0;
-  for (; i & 1; i++)
-    s += i;
-  return s;
+  do
+    if (__builtin_expect (*a & 1, 1))
+      *a = 0;
+  while (++a < b);
 }
 
 NOMIPS16 int
-g (int n, int i)
+g (int *a, int *b)
 {
-  int s = 0;
-  for (i = 0; i < n; i++)
-    s += i;
-  return s;
+  do
+    if (__builtin_expect (*a == 3, 1))
+      *a = 0;
+  while (++a < b);
 }