mips: run a faster version of the barebones_regs test

tests/barebones/nacl.scons

 # -*- python -*-
 # Copyright (c) 2012 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 Import('env')
 
 # Use of "-nostdlib" means these tests produce statically-linked
 # executables.  This does not work with the test runner for
 # nacl-glibc, which always runs the executables via ld.so.  However,
 # we want to keep building the tests.
 # TODO(mseaborn): To fix this, either switch these tests to
 # dynamically link against libc, or make use of ld.so optional.
 is_glibc = env.Bit('nacl_glibc')
 
 env.Replace(LIBS=[],
             EXTRA_LIBS=[],
             LINKFLAGS=['-nostdlib'])
 
 # This can generate references to runtime code we won't link with.
 env.FilterOut(CCFLAGS=['-fasynchronous-unwind-tables'])
 
 # This setting will affect the barebones_regs.c test
-if env.Bit('build_arm'):
+if env.Bit('build_arm') or env.Bit('build_mips32'):
   env.Append(CPPDEFINES='SMALL_REGS_TEST')
 
 # NOTE: the x86 linker wants _start() to be the very first function
 FAKE_STARTUP = env.ComponentObject('fake_startup', 'fake_startup.c')
 
 barebones_tests = ['addr_modes',
                    'exit',
                    'fib',
                    'hello_world',
                    'negindex',
@@ skipping 39 matching lines @@
 # it tests for cannot happen in a segment-based sandbox, only with
 # a sandbox where some kind of address-masking is done.
 if not env.Bit('bitcode') and not env.Bit('build_x86_32'):
   nexe = env.ComponentProgram('top_of_sandbox', ['top_of_sandbox.c'])
   node = env.CommandSelLdrTestNacl('top_of_sandbox.out', nexe)
   env.AddNodeToTestSuite(
       node, ['small_tests', 'sel_ldr_tests',
              'barebones_tests', 'nonpexe_tests'],
       'run_top_of_sandbox_test',
       is_broken=is_glibc)