Fixes bugs in arm and mips intrinsifier.

tests/language/language.status

Index: tests/language/language.status
===================================================================
--- tests/language/language.status	(revision 24426)
+++ tests/language/language.status	(working copy)
@@ -568,37 +568,27 @@
 invocation_mirror_test: Fail, OK # hardcoded names.
 super_call4_test: Fail, OK # hardcoded names.
 
+
 [ $arch == simarm || $arch == arm ]
-bit_operations_test: Pass, Crash, Fail # Crashes (debug) and fails (release) on Mac.
 deopt_smi_op_test: Fail
 gc_test: Crash
 invocation_mirror_test: Fail
-named_parameters_with_conversions_test: Pass, Crash
-arithmetic_test: Pass, Fail # Fails on Mac.
-left_shift_test: Pass, Fail # Fails on Mac.
-positive_bit_operations_test: Pass, Fail, Crash # Crashes (debug) and fails (release) on Mac.
+named_parameters_with_conversions_test: Pass, Crash # Passes on Mac.
+stack_overflow_test: Crash
+stack_overflow_stacktrace_test: Crash
 
-# large_implicit_getter_test Passes on ReleaseARM, Crashes in SIMARM and
-# DebugARM. Should crash on ReleaseARM, but there is no exception on an
-# unaligned access. stack_overflow_test and  _stacktrace_test have the same
-# problem.
-large_implicit_getter_test: Crash, Pass
-stack_overflow_test: Crash, Pass
-stack_overflow_stacktrace_test: Crash, Pass
 
 [ $arch == mips ]
 *: Skip
 
+
 [ $arch == simmips ]
-arithmetic_test: Fail, Crash
-bit_operations_test: Crash, Fail
+arithmetic_test: Crash  # Too far relative branch.
 deopt_smi_op_test: Fail
 gc_test: Crash
 invocation_mirror_test: Fail
+large_implicit_getter_test: Crash
 load_to_load_forwarding_vm_test: Fail
 named_parameters_with_conversions_test: Pass, Crash
-positive_bit_operations_test: Pass, Fail, Crash
-left_shift_test: Pass, Fail
-large_implicit_getter_test: Crash, Pass
-stack_overflow_test: Crash, Pass
-stack_overflow_stacktrace_test: Crash, Pass
+stack_overflow_test: Crash
+stack_overflow_stacktrace_test: Crash