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

src/s390/macro-assembler-s390.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.
 
 #include <assert.h>  // For assert
 #include <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #if V8_TARGET_ARCH_S390
 
 #include "src/base/bits.h"
@@ skipping 915 matching lines @@
 }
 
 void MacroAssembler::MovInt64ToDouble(DoubleRegister dst, Register src) {
   ldgr(dst, src);
 }
 
 void MacroAssembler::StubPrologue(StackFrame::Type type, Register base,
                                   int prologue_offset) {
   {
     ConstantPoolUnavailableScope constant_pool_unavailable(this);
-    LoadSmiLiteral(r1, Smi::FromInt(type));
+    Load(r1, Operand(StackFrame::TypeToMarker(type)));
     PushCommonFrame(r1);
   }
 }
 
 void MacroAssembler::Prologue(bool code_pre_aging, Register base,
                               int prologue_offset) {
   DCHECK(!base.is(no_reg));
   {
     PredictableCodeSizeScope predictible_code_size_scope(
         this, kNoCodeAgeSequenceLength);
@@ skipping 30 matching lines @@
 
 void MacroAssembler::EnterFrame(StackFrame::Type type,
                                 bool load_constant_pool_pointer_reg) {
   // We create a stack frame with:
   //    Return Addr <-- old sp
   //    Old FP      <-- new fp
   //    CP
   //    type
   //    CodeObject  <-- new sp
 
-  LoadSmiLiteral(ip, Smi::FromInt(type));
+  Load(ip, Operand(StackFrame::TypeToMarker(type)));
   PushCommonFrame(ip);
 
   if (type == StackFrame::INTERNAL) {
     mov(r0, Operand(CodeObject()));
     push(r0);
   }
 }
 
 int MacroAssembler::LeaveFrame(StackFrame::Type type, int stack_adjustment) {
   // Drop the execution stack down to the frame pointer and restore
@@ skipping 52 matching lines @@
   // Set up the frame structure on the stack.
   DCHECK_EQ(2 * kPointerSize, ExitFrameConstants::kCallerSPDisplacement);
   DCHECK_EQ(1 * kPointerSize, ExitFrameConstants::kCallerPCOffset);
   DCHECK_EQ(0 * kPointerSize, ExitFrameConstants::kCallerFPOffset);
   DCHECK(stack_space > 0);
 
   // This is an opportunity to build a frame to wrap
   // all of the pushes that have happened inside of V8
   // since we were called from C code
   CleanseP(r14);
-  LoadSmiLiteral(r1, Smi::FromInt(frame_type));
+  Load(r1, Operand(StackFrame::TypeToMarker(frame_type)));
   PushCommonFrame(r1);
   // Reserve room for saved entry sp and code object.
   lay(sp, MemOperand(fp, -ExitFrameConstants::kFixedFrameSizeFromFp));
 
   if (emit_debug_code()) {
     StoreP(MemOperand(fp, ExitFrameConstants::kSPOffset), Operand::Zero(), r1);
   }
   mov(r1, Operand(CodeObject()));
   StoreP(r1, MemOperand(fp, ExitFrameConstants::kCodeOffset));
 
@@ skipping 4274 matching lines @@
   }
   if (mag.shift > 0) ShiftRightArith(result, result, Operand(mag.shift));
   ExtractBit(r0, dividend, 31);
   AddP(result, r0);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_S390