volk: added compile utils and cleanup cmakelists

1 files changed, 68 insertions, 0 deletions

diff --git a/volk/gen/volk_compile_utils.py b/volk/gen/volk_compile_utils.py
new file mode 100644
index 000000000..a62c5657e
--- /dev/null
+++ b/volk/gen/volk_compile_utils.py
@@ -0,0 +1,68 @@
+#
+# Copyright 2012 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/>.
+#
+
+import optparse
+import volk_arch_defs
+import volk_machine_defs
+
+def format_flag(flag, compiler):
+    if compiler == 'msvc' and flag in ('mmmx', 'msse'):
+        return '/arch:SSE'
+    if compiler == 'msvc' and flag in ('msse2',):
+        return '/arch:SSE2'
+    if compiler == 'msvc' and flag in ('msse3', 'mssse3', 'msse4.1', 'msse4.2', 'mpopcnt', 'mavx'):
+        return '/arch:AVX'
+    #otherwise its a gcc compiler
+    return '-' + flag
+
+def do_arch_flags_list(compiler):
+    output = list()
+    for arch in volk_arch_defs.archs:
+        fields = [arch.name]
+        fields += list(map(lambda f: format_flag(f, compiler), arch.flags))
+        output.append(','.join(fields))
+    print ';'.join(output)
+
+def do_machines_list(arch_names):
+    output = list()
+    for machine in volk_machine_defs.machines:
+        machine_arch_set = set(machine.arch_names)
+        if set(arch_names).intersection(machine_arch_set) == machine_arch_set:
+            output.append(machine.name)
+    print ';'.join(output)
+
+def do_machine_flags_list(compiler, machine_name):
+    output = list()
+    machine = volk_machine_defs.machine_dict[machine_name]
+    for arch in machine.archs:
+        for flag in arch.flags:
+            output.append(format_flag(flag, compiler))
+    print ' '.join(output)
+
+def main():
+    parser = optparse.OptionParser()
+    parser.add_option('--mode', type='string', default='')
+    parser.add_option('--compiler', type='string', default='')
+    parser.add_option('--archs', type='string', default='')
+    parser.add_option('--machine', type='string', default='')
+    (opts, args) = parser.parse_args()
+
+    if opts.mode == 'arch_flags': return do_arch_flags_list(opts.compiler.lower())
+    if opts.mode == 'machines': return do_machines_list(opts.archs.split(';'))
+    if opts.mode == 'machine_flags': return do_machine_flags_list(opts.compiler.lower(), opts.machine)
+
+if __name__ == '__main__': main()