From debeb98aaa8950caf1a19df490f2ac9bf563075b Mon Sep 17 00:00:00 2001
From: Ilmir Usmanov <i.usmanov@samsung.com>
Date: Fri, 11 Dec 2015 11:39:44 +0300
Subject: ARM/ARM64: Extend support of instruction combining.

Combine multiply instructions in the following way:
ARM64:
MUL/NEG -> MNEG
ARM32 (32-bit integers only):
MUL/ADD -> MLA
MUL/SUB -> MLS

Change-Id: If20f2d8fb060145ab6fbceeb5a8f1a3d02e0ecdb
---
 compiler/optimizing/optimizing_compiler.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'compiler/optimizing/optimizing_compiler.cc')

diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index fffd00535c..4da48bdfc3 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -62,6 +62,7 @@
 #include "induction_var_analysis.h"
 #include "inliner.h"
 #include "instruction_simplifier.h"
+#include "instruction_simplifier_arm.h"
 #include "intrinsics.h"
 #include "jit/debugger_interface.h"
 #include "jit/jit_code_cache.h"
@@ -445,8 +446,11 @@ static void RunArchOptimizations(InstructionSet instruction_set,
     case kThumb2:
     case kArm: {
       arm::DexCacheArrayFixups* fixups = new (arena) arm::DexCacheArrayFixups(graph, stats);
+      arm::InstructionSimplifierArm* simplifier =
+          new (arena) arm::InstructionSimplifierArm(graph, stats);
       HOptimization* arm_optimizations[] = {
-        fixups
+        fixups,
+        simplifier
       };
       RunOptimizations(arm_optimizations, arraysize(arm_optimizations), pass_observer);
       break;
-- 
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