From: Bernd Schmidt <bernds@codesourcery.com>
Date: Thu, 22 Apr 2010 11:25:44 +0000 (+0000)
Subject: re PR middle-end/29274 (not using mulsidi3)
X-Git-Tag: releases/gcc-4.6.0~7718
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9193b1b4cccecf44662f648e0b51fb00975c124f;p=thirdparty%2Fgcc.git

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
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 026b4babd3c2..4edbd72b2a03 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+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
diff --git a/gcc/testsuite/gcc.target/arm/wmul-1.c b/gcc/testsuite/gcc.target/arm/wmul-1.c
new file mode 100644
index 000000000000..df85e7cb2852
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/wmul-1.c
@@ -0,0 +1,18 @@
+/* { 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 } } */
diff --git a/gcc/testsuite/gcc.target/arm/wmul-2.c b/gcc/testsuite/gcc.target/arm/wmul-2.c
new file mode 100644
index 000000000000..0c092f101156
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/wmul-2.c
@@ -0,0 +1,12 @@
+/* { 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 } } */