Deactivate 'asmapply' by default because it is still unstable

src/configure

@@ -1337,8 +1337,8 @@ Optional Features:
   --enable-c99complex     include support for C complex type (default=NO)
   --enable-hierarchical-packages
                           hierarchical package names (default=YES)
-  --enable-asmapply       enable optimizations written in assembler
-                          (default=YES)
+  --enable-asmapply       enable optimizations written in assembler, EXPERIMENTAL
+                          (default=NO)
   --enable-smallcons      use small (2 words) cons types. Requires
                           Boehm-Weiser gc. (default=YES)
   --enable-gengc          use generational garbage collection. Requires
@@ -2110,7 +2110,7 @@ fi
 if test "${enable_asmapply+set}" = set; then
   enableval=$enable_asmapply; enable_asmapply=${enableval}
 else
-  enable_asmapply=yes
+  enable_asmapply=no
 fi
 
 

src/configure.in

@@ -190,9 +190,9 @@ AC_ARG_ENABLE(hpack,
 
 AC_ARG_ENABLE(asmapply,
   AS_HELP_STRING( [--enable-asmapply],
-                  [enable optimizations written in assembler]
-                  [(default=YES)]),
-  [enable_asmapply=${enableval}],[enable_asmapply=yes])
+                  [enable optimizations written in assembler, EXPERIMENTAL]
+                  [(default=NO)]),
+  [enable_asmapply=${enableval}],[enable_asmapply=no])
 
 AC_ARG_ENABLE(smallcons,
   AS_HELP_STRING( [--enable-smallcons],