volk: reorganization of generation sources and generated files

All generation sources have been moved to the gen/ subdirectory.
Bootstrap and volk_register.py generate the files into to gen/ subdirectory
in an effort to cleanly separate the static/generated parts of the build tree.

Define top_gendir in Makefile.common, all generated sources listed in Makefile.ams
are prefixed with $(top_gendir) to differentiate them from static in-tree sources.

1 files changed, 82 insertions, 0 deletions

diff --git a/volk/gen/make_each_machine_c.py b/volk/gen/make_each_machine_c.py
new file mode 100644
index 000000000..94d6d7789
--- /dev/null
+++ b/volk/gen/make_each_machine_c.py
@@ -0,0 +1,82 @@
+#
+# Copyright 2010 Free Software Foundation, Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+from volk_regexp import *
+import string
+from emit_omnilog import *
+
+#ok todo list:
+#put n_archs into the info struct so it doesn't have to be arch_defs[0].
+
+def make_each_machine_c(machine_name, archs, functions, fcountlist, taglist):
+    tempstring = r"""
+// This file is automatically generated by make_each_machine_c.py.
+// Do not edit this file.
+"""
+    for arch in archs:
+        tempstring += "#define LV_HAVE_" + arch.swapcase() + " 1\n"
+    
+    tempstring += """
+#include <volk/volk_common.h>
+#include <volk/volk_machines.h>
+#include <volk/volk_registry.h>
+
+"""
+    tempstring += emit_prolog();
+    for func in functions:
+        tempstring += "#include <volk/" + func + ".h>\n"
+    tempstring += "\n\n"
+    
+    for i in range(len(functions)):
+        tempstring += "static const " + replace_volk.sub("p", functions[i]) + " " + functions[i] + "_archs[] = {\n"
+
+        tags_counter = 0
+        for arch_list in fcountlist[i]:
+            tempstring += "#if "
+            for arch in arch_list:
+                tempstring += "defined(LV_HAVE_" + arch + ") && "
+            tempstring = strip_trailing(tempstring, " && ")
+            tempstring += "\n      " + functions[i] + "_" + str(taglist[i][tags_counter]) + ",\n"
+            tempstring += "#endif\n"
+            tags_counter += 1
+
+        tempstring = strip_trailing(tempstring, ",")
+        tempstring += "};\n\n"
+        
+        
+    tempstring += "static unsigned int caps = "
+    for arch in archs:
+        tempstring += "(1 << LV_" + arch.swapcase() + ") + "
+    tempstring = strip_trailing(tempstring, " + ")
+    tempstring += ";\n"
+    
+    tempstring += "static const char* name = \"" + machine_name + "\";\n"
+    tempstring += "struct volk_machine volk_machine_" + machine_name + " = {\n"
+    tempstring += "    caps,\n"
+    tempstring += "    name,\n"
+    
+    for i in range(len(functions)):
+        tempstring += "    { " + functions[i] + "_indices, " + functions[i] + "_arch_defs, " + functions[i] + "_n_archs },\n"
+        tempstring += "    " + functions[i] + "_archs,\n"
+    
+    tempstring = strip_trailing(tempstring, ",")
+    tempstring += "};\n"
+    tempstring += emit_epilog();
+
+    return tempstring
+
+