Fix mips build

Test: untested
Change-Id: Ied193834bf2a187b0cb8ffdbdece72023698b1f6
diff --git a/runtime/arch/mips/entrypoints_init_mips.cc b/runtime/arch/mips/entrypoints_init_mips.cc
index 8c4df0f..6dca46f 100644
--- a/runtime/arch/mips/entrypoints_init_mips.cc
+++ b/runtime/arch/mips/entrypoints_init_mips.cc
@@ -60,7 +60,8 @@
 extern "C" int64_t __moddi3(int64_t, int64_t);
 
 // No read barrier entrypoints for marking registers.
-void UpdateReadBarrierEntrypoints(QuickEntryPoints* qpoints, bool is_marking) {}
+void UpdateReadBarrierEntrypoints(QuickEntryPoints* qpoints ATTRIBUTE_UNUSED,
+                                  bool is_marking ATTRIBUTE_UNUSED) {}
 
 void InitEntryPoints(JniEntryPoints* jpoints, QuickEntryPoints* qpoints) {
   // Note: MIPS has asserts checking for the type of entrypoint. Don't move it
diff --git a/runtime/arch/mips64/entrypoints_init_mips64.cc b/runtime/arch/mips64/entrypoints_init_mips64.cc
index 0bd4e14..0e81906 100644
--- a/runtime/arch/mips64/entrypoints_init_mips64.cc
+++ b/runtime/arch/mips64/entrypoints_init_mips64.cc
@@ -60,7 +60,8 @@
 extern "C" int64_t __moddi3(int64_t, int64_t);
 
 // No read barrier entrypoints for marking registers.
-void UpdateReadBarrierEntrypoints(QuickEntryPoints* qpoints, bool is_marking) {}
+void UpdateReadBarrierEntrypoints(QuickEntryPoints* qpoints ATTRIBUTE_UNUSED,
+                                  bool is_marking ATTRIBUTE_UNUSED) {}
 
 void InitEntryPoints(JniEntryPoints* jpoints, QuickEntryPoints* qpoints) {
   DefaultInitEntryPoints(jpoints, qpoints);