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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/vect/pr48052.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr48052.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr48052.c
new file mode 100644
index 000000000..c822ebd41
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr48052.c
@@ -0,0 +1,26 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-O3 -std=c99" } */
+
+int foo(int* A, int* B, unsigned start, unsigned BS)
+{
+ int s;
+ for (unsigned k = start; k < start + BS; k++)
+ {
+ s += A[k] * B[k];
+ }
+
+ return s;
+}
+
+int bar(int* A, int* B, unsigned BS)
+{
+ int s;
+ for (unsigned k = 0; k < BS; k++)
+ {
+ s += A[k] * B[k];
+ }
+
+ return s;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" } } */