re PR middle-end/29274 (not using mulsidi3)

	PR middle-end/29274
	* gcc.target/arm/wmul-1.c: New test.
	* gcc.target/arm/wmul-2.c: New test.

From-SVN: r158642

gcc/testsuite/ChangeLog

+2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
+
+	PR middle-end/29274
+	* gcc.target/arm/wmul-1.c: New test.
+	* gcc.target/arm/wmul-2.c: New test.
+
 2010-04-22  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/43845

gcc/testsuite/gcc.target/arm/wmul-1.c

+/* { dg-do compile } */
+/* { dg-options "-O2 -march=armv6t2" } */
+
+int mac(const short *a, const short *b, int sqr, int *sum)
+{
+  int i;
+  int dotp = *sum;
+
+  for (i = 0; i < 150; i++) {
+    dotp += b[i] * a[i];
+    sqr += b[i] * b[i];
+  }
+
+  *sum = dotp;
+  return sqr;
+}
+
+/* { dg-final { scan-assembler-times "smulbb" 2 } } */

gcc/testsuite/gcc.target/arm/wmul-2.c

+/* { dg-do compile } */
+/* { dg-options "-O2 -march=armv6t2" } */
+
+void vec_mpy(int y[], const short x[], short scaler)
+{
+ int i;
+
+ for (i = 0; i < 150; i++)
+   y[i] += ((scaler * x[i]) >> 31);
+}
+
+/* { dg-final { scan-assembler-times "smulbb" 1 } } */