commit 64acf303eaa2f32c0b1d8cfcbf044a822c5eec08
author Nicolas Geoffray <ngeoffray@google.com> Mon Sep 14 22:20:29 2015 +0100
committer Nicolas Geoffray <ngeoffray@google.com> Thu Sep 17 14:45:39 2015 +0100
tree 1e9829deb0621b3cb9b275846c8d08381956fecf
parent 017719a03c7c111a2069b5f85e3b9c81566c0902

Optimize code generation of check-cast and instance-of.

On x86/x64/arm/arm64. Improve code size of selected apks from 0.3% to 1%,
and performance of DeltaBlue by 20%.

Change-Id: Ib5799f7a53443cd880a121dd7f21932ae9f5c7aa

compiler/optimizing/code_generator_mips64.cc

diff --git a/compiler/optimizing/code_generator_mips64.cc b/compiler/optimizing/code_generator_mips64.cc
index d521d78..07ecdc1 100644
--- a/compiler/optimizing/code_generator_mips64.cc
+++ b/compiler/optimizing/code_generator_mips64.cc
@@ -2327,7 +2327,7 @@
 
 void LocationsBuilderMIPS64::VisitInstanceOf(HInstanceOf* instruction) {
   LocationSummary::CallKind call_kind =
-      instruction->IsClassFinal() ? LocationSummary::kNoCall : LocationSummary::kCallOnSlowPath;
+      instruction->IsExactCheck() ? LocationSummary::kNoCall : LocationSummary::kCallOnSlowPath;
   LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction, call_kind);
   locations->SetInAt(0, Location::RequiresRegister());
   locations->SetInAt(1, Location::RequiresRegister());
@@ -2351,7 +2351,7 @@
 
   // Compare the class of `obj` with `cls`.
   __ LoadFromOffset(kLoadUnsignedWord, out, obj, mirror::Object::ClassOffset().Int32Value());
-  if (instruction->IsClassFinal()) {
+  if (instruction->IsExactCheck()) {
     // Classes must be equal for the instanceof to succeed.
     __ Xor(out, out, cls);
     __ Sltiu(out, out, 1);