Initial SIMDBC interpreter.

tools/build.py

Index: tools/build.py
diff --git a/tools/build.py b/tools/build.py
index 3ec70d2257ac44b32b520e2c46f3886ab35acbdb..e15b699f5a6bb27e172803f9a92716f2d16bb426 100755
--- a/tools/build.py
+++ b/tools/build.py
@@ -56,7 +56,7 @@ def BuildOptions():
   result.add_option("-a", "--arch",
       help='Target architectures (comma-separated).',
       metavar='[all,ia32,x64,simarm,arm,simarmv6,armv6,simarmv5te,armv5te,'
-              'simmips,mips,simarm64,arm64,]',
+              'simmips,mips,simarm64,arm64,simdbc,]',
       default=utils.GuessArchitecture())
   result.add_option("--os",
     help='Target OSs (comma-separated).',
@@ -102,7 +102,8 @@ def ProcessOptions(options, args):
       return False
   for arch in options.arch:
     archs = ['ia32', 'x64', 'simarm', 'arm', 'simarmv6', 'armv6',
-             'simarmv5te', 'armv5te', 'simmips', 'mips', 'simarm64', 'arm64',]
+             'simarmv5te', 'armv5te', 'simmips', 'mips', 'simarm64', 'arm64',
+             'simdbc',]
     if not arch in archs:
       print "Unknown arch %s" % arch
       return False
@@ -119,7 +120,8 @@ def ProcessOptions(options, args):
         print ("Cross-compilation to %s is not supported on host os %s."
                % (os_name, HOST_OS))
         return False
-      if not arch in ['ia32', 'x64', 'arm', 'armv6', 'armv5te', 'arm64', 'mips']:
+      if not arch in ['ia32', 'x64', 'arm', 'armv6', 'armv5te', 'arm64', 'mips',
+                      'simdbc',]:
         print ("Cross-compilation to %s is not supported for architecture %s."
                % (os_name, arch))
         return False
@@ -137,7 +139,7 @@ def GetToolchainPrefix(target_os, arch, options):
 
   if target_os == 'android':
     android_toolchain = GetAndroidToolchainDir(HOST_OS, arch)
-    if arch == 'arm':
+    if arch == 'arm' or arch == 'simdbc':
       return os.path.join(android_toolchain, 'arm-linux-androideabi')
     if arch == 'arm64':
       return os.path.join(android_toolchain, 'aarch64-linux-android')
@@ -197,7 +199,7 @@ def GetAndroidToolchainDir(host_os, target_arch):
   global THIRD_PARTY_ROOT
   if host_os not in ['linux']:
     raise Exception('Unsupported host os %s' % host_os)
-  if target_arch not in ['ia32', 'x64', 'arm', 'arm64']:
+  if target_arch not in ['ia32', 'x64', 'arm', 'arm64', 'simdbc']:
     raise Exception('Unsupported target architecture %s' % target_arch)
 
   # Set up path to the Android NDK.