commit 390f59f9bec64fd81b05e796dfaeb03ab6d4cc81
author Nicolas Geoffray <ngeoffray@google.com> Fri Dec 12 19:22:03 2014 +0000
committer Nicolas Geoffray <ngeoffray@google.com> Wed Dec 17 11:53:33 2014 +0000
tree d418b4a488390d718144bf5a5a180d965d1d762e
parent 240016da1d6615b26c8342bdeb4bae381570ac47

Small optimization for recursive calls: avoid dex cache.

Change-Id: Ic4054b6c38f0a2a530ba6ef747647f86cee0b1b8

compiler/optimizing/code_generator_arm64.cc

diff --git a/compiler/optimizing/code_generator_arm64.cc b/compiler/optimizing/code_generator_arm64.cc
index c7517d3..7de162e 100644
--- a/compiler/optimizing/code_generator_arm64.cc
+++ b/compiler/optimizing/code_generator_arm64.cc
@@ -1816,10 +1816,12 @@
 
   // temp = method;
   codegen_->LoadCurrentMethod(temp);
-  // temp = temp->dex_cache_resolved_methods_;
-  __ Ldr(temp, HeapOperand(temp, mirror::ArtMethod::DexCacheResolvedMethodsOffset()));
-  // temp = temp[index_in_cache];
-  __ Ldr(temp, HeapOperand(temp, index_in_cache));
+  if (!invoke->GetIsRecursive()) {
+    // temp = temp->dex_cache_resolved_methods_;
+    __ Ldr(temp, HeapOperand(temp, mirror::ArtMethod::DexCacheResolvedMethodsOffset()));
+    // temp = temp[index_in_cache];
+    __ Ldr(temp, HeapOperand(temp, index_in_cache));
+  }
   // lr = temp->entry_point_from_quick_compiled_code_;
   __ Ldr(lr, HeapOperand(temp, mirror::ArtMethod::EntryPointFromQuickCompiledCodeOffset(
                           kArm64WordSize)));