Delete code for the now unused IL instruction NumberNegate.

runtime/vm/flow_graph_compiler_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/flow_graph_compiler.h"
 
 #include "lib/error.h"
@@ skipping 902 matching lines @@
   __ movq(RAX, Address(RSP, 2 * kWordSize));  // Receiver.
   __ movq(RBX, Address(RSP, 1 * kWordSize));  // Value.
   __ StoreIntoObject(RAX, FieldAddress(RAX, offset), RBX);
   const Immediate raw_null =
       Immediate(reinterpret_cast<intptr_t>(Object::null()));
   __ movq(RAX, raw_null);
   __ ret();
 }
 
 
-void FlowGraphCompiler::GenerateInlinedMathSqrt(Label* done) {
-  Label smi_to_double, double_op, call_method;
-  __ movq(RAX, Address(RSP, 0));
-  __ testq(RAX, Immediate(kSmiTagMask));
-  __ j(ZERO, &smi_to_double);
-  __ CompareClassId(RAX, kDoubleCid);
-  __ j(NOT_EQUAL, &call_method);
-  __ movsd(XMM1, FieldAddress(RAX, Double::value_offset()));
-  __ Bind(&double_op);
-  __ sqrtsd(XMM0, XMM1);
-  AssemblerMacros::TryAllocate(assembler_,
-                               double_class_,
-                               &call_method,
-                               Assembler::kNearJump,
-                               RAX);  // Result register.
-  __ movsd(FieldAddress(RAX, Double::value_offset()), XMM0);
-  __ Drop(1);
-  __ jmp(done);
-  __ Bind(&smi_to_double);
-  __ SmiUntag(RAX);
-  __ cvtsi2sd(XMM1, RAX);
-  __ jmp(&double_op);
-  __ Bind(&call_method);
-}
-
-
 void FlowGraphCompiler::CompileGraph() {
   InitCompiler();
   if (TryIntrinsify()) {
     // Although this intrinsified code will never be patched, it must satisfy
     // CodePatcher::CodeIsPatchable, which verifies that this code has a minimum
     // code size, and nop(2) increases the minimum code size appropriately.
     __ nop(2);
     __ int3();
     __ jmp(&StubCode::FixCallersTargetLabel());
     return;
@@ skipping 407 matching lines @@
 void ParallelMoveResolver::Exchange(const Address& mem1, const Address& mem2) {
   __ Exchange(mem1, mem2);
 }
 
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64