builtin_ctz_v3.c: New testcase.

	* gcc.target/cris/builtin_ctz_v3.c: New testcase.
	* gcc.target/cris/builtin_ctz_v8.c: New testcase.

From-SVN: r128168

gcc/testsuite/ChangeLog

+2007-09-06  Jesper Nilsson  <jesper.nilsson@axis.com>
+
+	* gcc.target/cris/builtin_ctz_v3.c: New testcase.
+	* gcc.target/cris/builtin_ctz_v8.c: New testcase.
+
 2007-09-06  Jakub Jelinek  <jakub@redhat.com>
 
 	* g++.dg/eh/builtin1.C: New test.

gcc/testsuite/gcc.target/cris/builtin_ctz_v3.c

+/* Check that we don't use the swap insn for ctz by checking
+   assembler output.  The swap instruction was implemented in v8.  */
+/* { dg-do compile } */
+/* { dg-skip-if "" { "cris-*-elf" } { "-march*" } { "" } } */
+/* { dg-options "-O2 -march=v3" } */
+/* { dg-final { scan-assembler-not "\[ \t\]swapwbr\[ \t\]" } } */
+
+int
+f (int a)
+{
+	return __builtin_ctz(a);
+}

gcc/testsuite/gcc.target/cris/builtin_ctz_v8.c

+/* Check that we use the swap insn for ctz by checking assembler output.
+   The swap instruction was implemented in v8.  */
+/* { dg-do compile } */
+/* { dg-skip-if "" { "cris-*-elf" } { "-march*" } { "" } } */
+/* { dg-options "-O2 -march=v8" } */
+/* { dg-final { scan-assembler "\[ \t\]swapwbr\[ \t\]" } } */
+
+int
+f (int a)
+{
+	return __builtin_ctz(a);
+}