[PATCH] Bug fix for PR59050

[Cong Hou]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59050

This is my bad. I forget to check the test result for gfortran. With
this patch the bug should be fixed (tested on x86-64).


thanks,
Cong


diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 90b01f2..e62c672 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2013-11-08  Cong Hou  <co...@google.com>
+
+       PR tree-optimization/59050
+       * tree-vect-data-refs.c (comp_dr_addr_with_seg_len_pair): Bug fix.
+
 2013-11-07  Cong Hou  <co...@google.com>

        * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c
index b2a31b1..b7eb926 100644
--- a/gcc/tree-vect-data-refs.c
+++ b/gcc/tree-vect-data-refs.c
@@ -2669,9 +2669,9 @@ comp_dr_addr_with_seg_len_pair (const void *p1_,
const void *p2_)
       if (comp_res != 0)
        return comp_res;
     }
-  if (tree_int_cst_compare (p11.offset, p21.offset) < 0)
+  else if (tree_int_cst_compare (p11.offset, p21.offset) < 0)
     return -1;
-  if (tree_int_cst_compare (p11.offset, p21.offset) > 0)
+  else if (tree_int_cst_compare (p11.offset, p21.offset) > 0)
     return 1;
   if (TREE_CODE (p12.offset) != INTEGER_CST
       || TREE_CODE (p22.offset) != INTEGER_CST)
@@ -2680,9 +2680,9 @@ comp_dr_addr_with_seg_len_pair (const void *p1_,
const void *p2_)
       if (comp_res != 0)
        return comp_res;
     }
-  if (tree_int_cst_compare (p12.offset, p22.offset) < 0)
+  else if (tree_int_cst_compare (p12.offset, p22.offset) < 0)
     return -1;
-  if (tree_int_cst_compare (p12.offset, p22.offset) > 0)
+  else if (tree_int_cst_compare (p12.offset, p22.offset) > 0)
     return 1;

   return 0;