Eliminate environment uses at smi-comparisons.

runtime/vm/intermediate_language_x64.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/intermediate_language.h"
 
 #include "lib/error.h"
@@ skipping 551 matching lines @@
   __ pushq(right);
   EmitEqualityAsPolymorphicCall(compiler, ic_data, locs, branch, kind,
                                 deopt_id, token_pos);
   __ Bind(&done);
 }
 
 
 static void EmitSmiComparisonOp(FlowGraphCompiler* compiler,
                                 const LocationSummary& locs,
                                 Token::Kind kind,
-                                BranchInstr* branch,
-                                intptr_t deopt_id) {
+                                BranchInstr* branch) {
   Register left = locs.in(0).reg();
   Register right = locs.in(1).reg();
 
   Condition true_condition = TokenKindToSmiCondition(kind);
   __ cmpq(left, right);
 
   if (branch != NULL) {
     branch->EmitBranchOnCondition(compiler, true_condition);
   } else {
     Register result = locs.out().reg();
@@ skipping 39 matching lines @@
         true_condition, left, right, locs.out().reg());
   }
 }
 
 
 void EqualityCompareComp::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT((kind() == Token::kEQ) || (kind() == Token::kNE));
   BranchInstr* kNoBranch = NULL;
   if (receiver_class_id() == kSmiCid) {
     // Deoptimizes if both arguments not Smi.
-    EmitSmiComparisonOp(compiler, *locs(), kind(), kNoBranch, deopt_id());
+    EmitSmiComparisonOp(compiler, *locs(), kind(), kNoBranch);
     return;
   }
   if (receiver_class_id() == kDoubleCid) {
     // Deoptimizes if both arguments are Smi, or if none is Double or Smi.
     EmitDoubleComparisonOp(compiler, *locs(), kind(), kNoBranch);
     return;
   }
   const bool is_checked_strict_equal =
       HasICData() && ic_data()->AllTargetsHaveSameOwner(kInstanceCid);
   if (is_checked_strict_equal) {
@@ skipping 17 matching lines @@
                              locs());
   ASSERT(locs()->out().reg() == RAX);
 }
 
 
 void EqualityCompareComp::EmitBranchCode(FlowGraphCompiler* compiler,
                                          BranchInstr* branch) {
   ASSERT((kind() == Token::kNE) || (kind() == Token::kEQ));
   if (receiver_class_id() == kSmiCid) {
     // Deoptimizes if both arguments not Smi.
-    EmitSmiComparisonOp(compiler, *locs(), kind(), branch, deopt_id());
+    EmitSmiComparisonOp(compiler, *locs(), kind(), branch);
     return;
   }
   if (receiver_class_id() == kDoubleCid) {
     // Deoptimizes if both arguments are Smi, or if none is Double or Smi.
     EmitDoubleComparisonOp(compiler, *locs(), kind(), branch);
     return;
   }
   const bool is_checked_strict_equal =
       HasICData() && ic_data()->AllTargetsHaveSameOwner(kInstanceCid);
   if (is_checked_strict_equal) {
@@ skipping 47 matching lines @@
   // Pick arbitrary fixed input registers because this is a call.
   locs->set_in(0, Location::RegisterLocation(RAX));
   locs->set_in(1, Location::RegisterLocation(RCX));
   locs->set_out(Location::RegisterLocation(RAX));
   return locs;
 }
 
 
 void RelationalOpComp::EmitNativeCode(FlowGraphCompiler* compiler) {
   if (operands_class_id() == kSmiCid) {
-    EmitSmiComparisonOp(compiler, *locs(), kind(), NULL, deopt_id());
+    EmitSmiComparisonOp(compiler, *locs(), kind(), NULL);
     return;
   }
   if (operands_class_id() == kDoubleCid) {
     EmitDoubleComparisonOp(compiler, *locs(), kind(), NULL);
     return;
   }
 
   // Push arguments for the call.
   // TODO(fschneider): Split this instruction into different types to avoid
   // explicitly pushing arguments to the call here.
@@ skipping 37 matching lines @@
                                  kNumArguments,
                                  Array::ZoneHandle(),  // No optional arguments.
                                  kNumArgsChecked,
                                  locs());
 }
 
 
 void RelationalOpComp::EmitBranchCode(FlowGraphCompiler* compiler,
                                       BranchInstr* branch) {
   if (operands_class_id() == kSmiCid) {
-    EmitSmiComparisonOp(compiler, *locs(), kind(), branch, deopt_id());
+    EmitSmiComparisonOp(compiler, *locs(), kind(), branch);
     return;
   }
   if (operands_class_id() == kDoubleCid) {
     EmitDoubleComparisonOp(compiler, *locs(), kind(), branch);
     return;
   }
   EmitNativeCode(compiler);
   __ CompareObject(RAX, compiler->bool_true());
   branch->EmitBranchOnCondition(compiler, EQUAL);
 }
@@ skipping 1426 matching lines @@
   }
   __ j(ABOVE_EQUAL, deopt);
 }
 
 
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_X64