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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/vect/pr52252-ld.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr52252-ld.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr52252-ld.c
new file mode 100644
index 0000000..6e3cb52
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr52252-ld.c
@@ -0,0 +1,30 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -g -ftree-vectorize -mssse3 -fdump-tree-vect-details" { target { i?86-*-* x86_64-*-* } } } */
+
+#define byte unsigned char
+
+void
+matrix_mul (byte *in, byte *out, int size)
+{
+ int i;
+ for (i = 0; i < size; i++)
+ {
+ byte in0 = in[0];
+ byte in1 = in[1];
+ byte in2 = in[2];
+ byte out0, out1, out2, out3;
+ out0 = in0 + in1;
+ out1 = in0 + in2;
+ out2 = in1 + in2;
+ out3 = in0 + in1 + in2;
+ out[0] = out0;
+ out[1] = out1;
+ out[2] = out2;
+ out[3] = out3;
+ in += 3;
+ out += 4;
+ }
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */