PR libfortran/24903

[pf3gnuchains/gcc-fork.git] / libgfortran / m4 / dotprodc.m4

diff --git a/libgfortran/m4/dotprodc.m4 b/libgfortran/m4/dotprodc.m4
index d16b992..415eebf 100644 (file)
--- a/libgfortran/m4/dotprodc.m4
+++ b/libgfortran/m4/dotprodc.m4
@@ -3,42 +3,54 @@
    Contributed by Paul Brook <paul@nowt.org>
    and Feng Wang <fengwang@nudt.edu.cn>
 
-This file is part of the GNU Fortran 95 runtime library (libgfor).
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
 
 Libgfortran is free software; you can redistribute it and/or
-modify it under the terms of the GNU Lesser General Public
+modify it under the terms of the GNU General Public
 License as published by the Free Software Foundation; either
-version 2.1 of the License, or (at your option) any later version.
+version 2 of the License, or (at your option) any later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
 
 Libgfortran is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU Lesser General Public License for more details.
+GNU General Public License for more details.
 
-You should have received a copy of the GNU Lesser General Public
-License along with libgfor; see the file COPYING.LIB.  If not,
-write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+You should have received a copy of the GNU General Public
+License along with libgfortran; see the file COPYING.  If not,
+write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
 
 #include "config.h"
 #include <stdlib.h>
 #include <assert.h>
 #include "libgfortran.h"'
 include(iparm.m4)dnl
+include(mtype.m4)dnl
+
+`#if defined (HAVE_'rtype_name`)'
 
 typedef GFC_ARRAY_DESCRIPTOR(GFC_MAX_DIMENSIONS, char) char_array;
 
-extern rtype_name dot_product_`'rtype_code (rtype * a, rtype * b);
+extern rtype_name dot_product_`'rtype_code (rtype * const restrict a, 
+       rtype * const restrict b);
 export_proto(dot_product_`'rtype_code);
 
 /* Both parameters will already have been converted to the result type.  */
 rtype_name
-dot_product_`'rtype_code (rtype * a, rtype * b)
+dot_product_`'rtype_code (rtype * const restrict a, rtype * const restrict b)
 {
-  rtype_name *pa;
-  rtype_name *pb;
+  const rtype_name * restrict pa;
+  const rtype_name * restrict pb;
   rtype_name res;
-  rtype_name conjga;
   index_type count;
   index_type astride;
   index_type bstride;
@@ -61,11 +73,12 @@ sinclude(`dotprod_asm_'rtype_code`.m4')dnl
 
   while (count--)
     {
-      COMPLEX_ASSIGN(conjga, REALPART (*pa), -IMAGPART (*pa));
-      res += conjga * *pb;
+      res += __builtin_conj`'q (*pa) * *pb;
       pa += astride;
       pb += bstride;
     }
 
   return res;
 }
+
+#endif