Revert of [turbofan] Run everything after representation selection concurrently.

src/x64/builtins-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/code-factory.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 2024 matching lines @@
   __ movp(rsp, rbp);
   __ popq(rbp);
 
   // Remove caller arguments from the stack.
   __ PopReturnAddressTo(rcx);
   SmiIndex index = masm->SmiToIndex(rbx, rbx, kPointerSizeLog2);
   __ leap(rsp, Operand(rsp, index.reg, index.scale, 1 * kPointerSize));
   __ PushReturnAddressFrom(rcx);
 }
 
-// static
-void Builtins::Generate_AllocateInNewSpace(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- rdx : requested object size (tagged)
-  //  -- rsi : context
-  // -----------------------------------
-  __ AssertSmi(rdx);
-
-  Label runtime;
-  __ SmiToInteger64(rdx, rdx);
-  __ Allocate(rdx, rax, rcx, rdi, &runtime, NO_ALLOCATION_FLAGS);
-  __ Ret();
-
-  __ bind(&runtime);
-  __ Integer32ToSmi(rdx, rdx);
-  __ PopReturnAddressTo(rcx);
-  __ Push(rdx);
-  __ PushReturnAddressFrom(rcx);
-  __ TailCallRuntime(Runtime::kAllocateInNewSpace);
-}
-
-// static
-void Builtins::Generate_AllocateInOldSpace(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- rdx : requested object size (tagged)
-  //  -- rsi : context
-  // -----------------------------------
-  __ AssertSmi(rdx);
-
-  Label runtime;
-  __ SmiToInteger64(rdx, rdx);
-  __ Allocate(rdx, rax, rcx, rdi, &runtime, PRETENURE);
-  __ Ret();
-
-  __ bind(&runtime);
-  __ Integer32ToSmi(rdx, rdx);
-  __ PopReturnAddressTo(rcx);
-  __ Push(rdx);
-  __ Push(Smi::FromInt(AllocateTargetSpace::encode(OLD_SPACE)));
-  __ PushReturnAddressFrom(rcx);
-  __ TailCallRuntime(Runtime::kAllocateInTargetSpace);
-}
 
 void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax : actual number of arguments
   //  -- rbx : expected number of arguments
   //  -- rdx : new target (passed through to callee)
   //  -- rdi : function (passed through to callee)
   // -----------------------------------
 
   Label invoke, dont_adapt_arguments, stack_overflow;
@@ skipping 873 matching lines @@
   __ ret(0);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64