[full-codegen] Reload context register after intrinsic call.

src/full-codegen/s390/full-codegen-s390.cc

 // Copyright 2015 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_S390
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 3797 matching lines @@
     Split(eq, if_true, if_false, fall_through);
   } else {
     __ JumpIfSmi(r2, if_false);
     __ LoadP(r2, FieldMemOperand(r2, HeapObject::kMapOffset));
     __ LoadlB(r3, FieldMemOperand(r2, Map::kBitFieldOffset));
     __ AndP(r0, r3, Operand(1 << Map::kIsUndetectable));
     Split(ne, if_true, if_false, fall_through);
   }
   context()->Plug(if_true, if_false);
 }
-
-void FullCodeGenerator::VisitThisFunction(ThisFunction* expr) {
-  __ LoadP(r2, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
-  context()->Plug(r2);
-}
-
 Register FullCodeGenerator::result_register() { return r2; }
 
 Register FullCodeGenerator::context_register() { return cp; }
 
+void FullCodeGenerator::LoadFromFrameField(int frame_offset, Register value) {
+  DCHECK_EQ(static_cast<int>(POINTER_SIZE_ALIGN(frame_offset)), frame_offset);
+  __ LoadP(value, MemOperand(fp, frame_offset));
+}
+
 void FullCodeGenerator::StoreToFrameField(int frame_offset, Register value) {
   DCHECK_EQ(static_cast<int>(POINTER_SIZE_ALIGN(frame_offset)), frame_offset);
   __ StoreP(value, MemOperand(fp, frame_offset));
 }
 
 void FullCodeGenerator::LoadContextField(Register dst, int context_index) {
   __ LoadP(dst, ContextMemOperand(cp, context_index), r0);
 }
 
 void FullCodeGenerator::PushFunctionArgumentForContextAllocation() {
@@ skipping 150 matching lines @@
   DCHECK(kOSRBranchInstruction == br_instr);
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OnStackReplacement()->entry());
   return ON_STACK_REPLACEMENT;
 }
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_TARGET_ARCH_S390