From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001
From: upstream source tree <ports@midipix.org>
Date: Sun, 15 Mar 2015 20:14:05 -0400
Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified
 gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream
 tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.
---
 gcc/testsuite/gcc.dg/vect/vect-outer-fir.c | 74 ++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 gcc/testsuite/gcc.dg/vect/vect-outer-fir.c

(limited to 'gcc/testsuite/gcc.dg/vect/vect-outer-fir.c')

diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-fir.c b/gcc/testsuite/gcc.dg/vect/vect-outer-fir.c
new file mode 100644
index 000000000..af787b96a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-fir.c
@@ -0,0 +1,74 @@
+/* { dg-require-effective-target vect_float } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 40
+#define M 128
+float in[N+M];
+float coeff[M];
+float out[N];
+float fir_out[N];
+
+/* Should be vectorized. Fixed misaligment in the inner-loop.  */
+__attribute__ ((noinline))
+void foo (){
+ int i,j,k;
+ float diff;
+
+ for (i = 0; i < N; i++) {
+  out[i] = 0;
+ }
+
+ for (k = 0; k < 4; k++) {
+  for (i = 0; i < N; i++) {
+    diff = 0;
+    for (j = k; j < M; j+=4) {
+      diff += in[j+i]*coeff[j]; 
+    }
+    out[i] += diff;
+  }
+ }
+
+}
+
+/* Vectorized. Changing misalignment in the inner-loop.  */
+__attribute__ ((noinline))
+void fir (){
+  int i,j,k;
+  float diff;
+
+  for (i = 0; i < N; i++) {
+    diff = 0;
+    for (j = 0; j < M; j++) {
+      diff += in[j+i]*coeff[j];
+    }
+    fir_out[i] = diff;
+  }
+}
+
+
+int main (void)
+{
+  check_vect ();
+  int i, j;
+  float diff;
+
+  for (i = 0; i < M; i++)
+    coeff[i] = i;
+  for (i = 0; i < N+M; i++)
+    in[i] = i;
+
+  foo ();
+  fir ();
+  
+  for (i = 0; i < N; i++) {
+    if (out[i] != fir_out[i])
+      abort ();
+  }
+
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 2 "vect" { xfail vect_no_align } } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */
-- 
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