diff --git a/compiler/dex/quick/x86/target_x86.cc b/compiler/dex/quick/x86/target_x86.cc
index 699f3ae..26accab 100644
--- a/compiler/dex/quick/x86/target_x86.cc
+++ b/compiler/dex/quick/x86/target_x86.cc
@@ -438,16 +438,16 @@
   int num_temps = sizeof(core_temps)/sizeof(*core_temps);
   int num_fp_regs = sizeof(FpRegs)/sizeof(*FpRegs);
   int num_fp_temps = sizeof(fp_temps)/sizeof(*fp_temps);
-  reg_pool_ = static_cast<RegisterPool*>(arena_->NewMem(sizeof(*reg_pool_), true,
-                                                        ArenaAllocator::kAllocRegAlloc));
+  reg_pool_ = static_cast<RegisterPool*>(arena_->Alloc(sizeof(*reg_pool_),
+                                                       ArenaAllocator::kAllocRegAlloc));
   reg_pool_->num_core_regs = num_regs;
   reg_pool_->core_regs =
-      static_cast<RegisterInfo*>(arena_->NewMem(num_regs * sizeof(*reg_pool_->core_regs), true,
-                                                ArenaAllocator::kAllocRegAlloc));
+      static_cast<RegisterInfo*>(arena_->Alloc(num_regs * sizeof(*reg_pool_->core_regs),
+                                               ArenaAllocator::kAllocRegAlloc));
   reg_pool_->num_fp_regs = num_fp_regs;
   reg_pool_->FPRegs =
-      static_cast<RegisterInfo *>(arena_->NewMem(num_fp_regs * sizeof(*reg_pool_->FPRegs), true,
-                                                 ArenaAllocator::kAllocRegAlloc));
+      static_cast<RegisterInfo *>(arena_->Alloc(num_fp_regs * sizeof(*reg_pool_->FPRegs),
+                                                ArenaAllocator::kAllocRegAlloc));
   CompilerInitPool(reg_pool_->core_regs, core_regs, reg_pool_->num_core_regs);
   CompilerInitPool(reg_pool_->FPRegs, FpRegs, reg_pool_->num_fp_regs);
   // Keep special registers from being allocated