commit 699c04aa7cb7d0e8187fba2cbec3f0319e4da5bb
author Dmitry Petrochenko <dmitry.petrochenko@intel.com> Sat Jun 28 10:59:19 2014 +0700
committer Dmitry Petrochenko <dmitry.petrochenko@intel.com> Fri Jul 04 08:52:56 2014 +0700
tree 10d38f50fa25f60054b5be0854d62c551b46f8b5
parent 03cbed6dfbd2750a243363ee4033c425d58cac6e

x86_64: Turn on promotion optimization

This CL turns on the promotion optimization (longs).
The 64-bit references support is disabled in x86_64 backend.

Change-Id: I62723388f549b51bae41c8a6b334228b2d782610
Signed-off-by: Dmitry Petrochenko <dmitry.petrochenko@intel.com>

compiler/dex/frontend.cc

diff --git a/compiler/dex/frontend.cc b/compiler/dex/frontend.cc
index 72990b4..07bbf15 100644
--- a/compiler/dex/frontend.cc
+++ b/compiler/dex/frontend.cc
@@ -865,9 +865,7 @@
         (1 << kPromoteCompilerTemps));
   } else if (cu.instruction_set == kX86_64) {
     // TODO(X86_64): enable optimizations once backend is mature enough.
-    cu.disable_opt |= (
-        (1 << kLoadStoreElimination) |
-        (1 << kPromoteRegs));
+    cu.disable_opt |= (1 << kLoadStoreElimination);
   } else if (cu.instruction_set == kArm64) {
     // TODO(Arm64): enable optimizations once backend is mature enough.
     cu.disable_opt = ~(uint32_t)0;