PR libfortran/24903

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

diff --git a/libgfortran/m4/dotprodc.m4 b/libgfortran/m4/dotprodc.m4
index 806dd79..415eebf 100644 (file)
--- a/libgfortran/m4/dotprodc.m4
+++ b/libgfortran/m4/dotprodc.m4
@@ -34,20 +34,23 @@ Boston, MA 02110-1301, USA.  */
 #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;
@@ -70,11 +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