PPC/s390: [everywhere] Custom representation for frame type

src/builtins/ppc/builtins-ppc.cc

 // Copyright 2014 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_PPC
 
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 2141 matching lines @@
   // 4c. The new.target is not a constructor, throw an appropriate TypeError.
   __ bind(&new_target_not_constructor);
   {
     __ StoreP(r6, MemOperand(sp, 0));
     __ TailCallRuntime(Runtime::kThrowNotConstructor);
   }
 }
 
 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
   __ SmiTag(r3);
-  __ LoadSmiLiteral(r7, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR));
+  __ mov(r7, Operand(StackFrame::TypeToMarker(StackFrame::ARGUMENTS_ADAPTOR)));
   __ mflr(r0);
   __ push(r0);
   if (FLAG_enable_embedded_constant_pool) {
     __ Push(fp, kConstantPoolRegister, r7, r4, r3);
   } else {
     __ Push(fp, r7, r4, r3);
   }
   __ addi(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp +
                           kPointerSize));
 }
@@ skipping 167 matching lines @@
   //  -- r4    : the target to call (can be any Object)
   //  -- r5    : start index (to support rest parameters)
   //  -- lr    : return address.
   //  -- sp[0] : thisArgument
   // -----------------------------------
 
   // Check if we have an arguments adaptor frame below the function frame.
   Label arguments_adaptor, arguments_done;
   __ LoadP(r6, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
   __ LoadP(ip, MemOperand(r6, CommonFrameConstants::kContextOrFrameTypeOffset));
-  __ CmpSmiLiteral(ip, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR), r0);
+  __ cmpi(ip, Operand(StackFrame::TypeToMarker(StackFrame::ARGUMENTS_ADAPTOR)));
   __ beq(&arguments_adaptor);
   {
     __ LoadP(r3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
     __ LoadP(r3, FieldMemOperand(r3, JSFunction::kSharedFunctionInfoOffset));
     __ LoadWordArith(
         r3,
         FieldMemOperand(r3, SharedFunctionInfo::kFormalParameterCountOffset));
     __ mr(r6, fp);
   }
   __ b(&arguments_done);
@@ skipping 85 matching lines @@
   __ mov(scratch1, Operand(is_tail_call_elimination_enabled));
   __ lbz(scratch1, MemOperand(scratch1));
   __ cmpi(scratch1, Operand::Zero());
   __ beq(&done);
 
   // Drop possible interpreter handler/stub frame.
   {
     Label no_interpreter_frame;
     __ LoadP(scratch3,
              MemOperand(fp, CommonFrameConstants::kContextOrFrameTypeOffset));
-    __ CmpSmiLiteral(scratch3, Smi::FromInt(StackFrame::STUB), r0);
+    __ cmpi(scratch3, Operand(StackFrame::TypeToMarker(StackFrame::STUB)));
     __ bne(&no_interpreter_frame);
     __ LoadP(fp, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
     __ bind(&no_interpreter_frame);
   }
 
   // Check if next frame is an arguments adaptor frame.
   Register caller_args_count_reg = scratch1;
   Label no_arguments_adaptor, formal_parameter_count_loaded;
   __ LoadP(scratch2, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
   __ LoadP(
       scratch3,
       MemOperand(scratch2, CommonFrameConstants::kContextOrFrameTypeOffset));
-  __ CmpSmiLiteral(scratch3, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR), r0);
+  __ cmpi(scratch3,
+          Operand(StackFrame::TypeToMarker(StackFrame::ARGUMENTS_ADAPTOR)));
   __ bne(&no_arguments_adaptor);
 
   // Drop current frame and load arguments count from arguments adaptor frame.
   __ mr(fp, scratch2);
   __ LoadP(caller_args_count_reg,
            MemOperand(fp, ArgumentsAdaptorFrameConstants::kLengthOffset));
   __ SmiUntag(caller_args_count_reg);
   __ b(&formal_parameter_count_loaded);
 
   __ bind(&no_arguments_adaptor);
@@ skipping 756 matching lines @@
     __ CallRuntime(Runtime::kThrowStackOverflow);
     __ bkpt(0);
   }
 }
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC