S390: [turbofan] Frame elision for code stubs.

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 942 matching lines @@
 void MacroAssembler::MovDoubleToInt64(Register dst, DoubleRegister src) {
   lgdr(dst, src);
 }
 
 void MacroAssembler::MovInt64ToDouble(DoubleRegister dst, Register src) {
   ldgr(dst, src);
 }
 
 void MacroAssembler::StubPrologue(StackFrame::Type type, Register base,
                                   int prologue_offset) {
-  LoadSmiLiteral(r1, Smi::FromInt(type));
-  PushCommonFrame(r1);
+  {
+    ConstantPoolUnavailableScope constant_pool_unavailable(this);
+    LoadSmiLiteral(r1, Smi::FromInt(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);
     // The following instructions must remain together and unmodified
     // for code aging to work properly.
@@ skipping 4549 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