From 9aec02fc5df5518c16f1e5a9b6cb198a192db973 Mon Sep 17 00:00:00 2001
From: Calin Juravle <calin@google.com>
Date: Tue, 18 Nov 2014 23:06:35 +0000
Subject: [optimizing compiler] Add shifts

Added SHL, SHR, USHR for arm, x86, x86_64.

Change-Id: I971f594e270179457e6958acf1401ff7630df07e
---
 compiler/optimizing/builder.cc | 92 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)

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

diff --git a/compiler/optimizing/builder.cc b/compiler/optimizing/builder.cc
index be8631ad42..b261460690 100644
--- a/compiler/optimizing/builder.cc
+++ b/compiler/optimizing/builder.cc
@@ -304,6 +304,15 @@ void HGraphBuilder::Binop_23x(const Instruction& instruction,
   UpdateLocal(instruction.VRegA(), current_block_->GetLastInstruction());
 }
 
+template<typename T>
+void HGraphBuilder::Binop_23x_shift(const Instruction& instruction,
+                                    Primitive::Type type) {
+  HInstruction* first = LoadLocal(instruction.VRegB(), type);
+  HInstruction* second = LoadLocal(instruction.VRegC(), Primitive::kPrimInt);
+  current_block_->AddInstruction(new (arena_) T(type, first, second));
+  UpdateLocal(instruction.VRegA(), current_block_->GetLastInstruction());
+}
+
 template<typename T>
 void HGraphBuilder::Binop_12x(const Instruction& instruction, Primitive::Type type) {
   HInstruction* first = LoadLocal(instruction.VRegA(), type);
@@ -312,6 +321,14 @@ void HGraphBuilder::Binop_12x(const Instruction& instruction, Primitive::Type ty
   UpdateLocal(instruction.VRegA(), current_block_->GetLastInstruction());
 }
 
+template<typename T>
+void HGraphBuilder::Binop_12x_shift(const Instruction& instruction, Primitive::Type type) {
+  HInstruction* first = LoadLocal(instruction.VRegA(), type);
+  HInstruction* second = LoadLocal(instruction.VRegB(), Primitive::kPrimInt);
+  current_block_->AddInstruction(new (arena_) T(type, first, second));
+  UpdateLocal(instruction.VRegA(), current_block_->GetLastInstruction());
+}
+
 template<typename T>
 void HGraphBuilder::Binop_12x(const Instruction& instruction,
                               Primitive::Type type,
@@ -1141,6 +1158,36 @@ bool HGraphBuilder::AnalyzeDexInstruction(const Instruction& instruction, uint32
       break;
     }
 
+    case Instruction::SHL_INT: {
+      Binop_23x_shift<HShl>(instruction, Primitive::kPrimInt);
+      break;
+    }
+
+    case Instruction::SHL_LONG: {
+      Binop_23x_shift<HShl>(instruction, Primitive::kPrimLong);
+      break;
+    }
+
+    case Instruction::SHR_INT: {
+      Binop_23x_shift<HShr>(instruction, Primitive::kPrimInt);
+      break;
+    }
+
+    case Instruction::SHR_LONG: {
+      Binop_23x_shift<HShr>(instruction, Primitive::kPrimLong);
+      break;
+    }
+
+    case Instruction::USHR_INT: {
+      Binop_23x_shift<HUShr>(instruction, Primitive::kPrimInt);
+      break;
+    }
+
+    case Instruction::USHR_LONG: {
+      Binop_23x_shift<HUShr>(instruction, Primitive::kPrimLong);
+      break;
+    }
+
     case Instruction::OR_INT: {
       Binop_23x<HOr>(instruction, Primitive::kPrimInt);
       break;
@@ -1240,6 +1287,36 @@ bool HGraphBuilder::AnalyzeDexInstruction(const Instruction& instruction, uint32
       break;
     }
 
+    case Instruction::SHL_INT_2ADDR: {
+      Binop_12x_shift<HShl>(instruction, Primitive::kPrimInt);
+      break;
+    }
+
+    case Instruction::SHL_LONG_2ADDR: {
+      Binop_12x_shift<HShl>(instruction, Primitive::kPrimLong);
+      break;
+    }
+
+    case Instruction::SHR_INT_2ADDR: {
+      Binop_12x_shift<HShr>(instruction, Primitive::kPrimInt);
+      break;
+    }
+
+    case Instruction::SHR_LONG_2ADDR: {
+      Binop_12x_shift<HShr>(instruction, Primitive::kPrimLong);
+      break;
+    }
+
+    case Instruction::USHR_INT_2ADDR: {
+      Binop_12x_shift<HUShr>(instruction, Primitive::kPrimInt);
+      break;
+    }
+
+    case Instruction::USHR_LONG_2ADDR: {
+      Binop_12x_shift<HUShr>(instruction, Primitive::kPrimLong);
+      break;
+    }
+
     case Instruction::DIV_FLOAT_2ADDR: {
       Binop_12x<HDiv>(instruction, Primitive::kPrimFloat, dex_pc);
       break;
@@ -1354,6 +1431,21 @@ bool HGraphBuilder::AnalyzeDexInstruction(const Instruction& instruction, uint32
       break;
     }
 
+    case Instruction::SHL_INT_LIT8: {
+      Binop_22b<HShl>(instruction, false);
+      break;
+    }
+
+    case Instruction::SHR_INT_LIT8: {
+      Binop_22b<HShr>(instruction, false);
+      break;
+    }
+
+    case Instruction::USHR_INT_LIT8: {
+      Binop_22b<HUShr>(instruction, false);
+      break;
+    }
+
     case Instruction::NEW_INSTANCE: {
       current_block_->AddInstruction(
           new (arena_) HNewInstance(dex_pc, instruction.VRegB_21c()));
-- 
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