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

src/full-codegen/arm64/full-codegen-arm64.cc

 // Copyright 2013 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_ARM64
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 3731 matching lines @@
     __ Ldr(x0, FieldMemOperand(x0, HeapObject::kMapOffset));
     __ Ldrb(x1, FieldMemOperand(x0, Map::kBitFieldOffset));
     __ TestAndSplit(x1, 1 << Map::kIsUndetectable, if_false, if_true,
                     fall_through);
   }
 
   context()->Plug(if_true, if_false);
 }
 
 
-void FullCodeGenerator::VisitThisFunction(ThisFunction* expr) {
-  __ Ldr(x0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
-  context()->Plug(x0);
-}
-
-
 void FullCodeGenerator::VisitYield(Yield* expr) {
   Comment cmnt(masm_, "[ Yield");
   SetExpressionPosition(expr);
 
   // Evaluate yielded value first; the initial iterator definition depends on
   // this. It stays on the stack while we update the iterator.
   VisitForStackValue(expr->expression());
 
   // TODO(jbramley): Tidy this up once the merge is done, using named registers
   // and suchlike. The implementation changes a little by bleeding_edge so I
@@ skipping 220 matching lines @@
 // performance benefit, I think the existence of this function is debatable.
 Register FullCodeGenerator::result_register() {
   return x0;
 }
 
 
 Register FullCodeGenerator::context_register() {
   return cp;
 }
 
+void FullCodeGenerator::LoadFromFrameField(int frame_offset, Register value) {
+  DCHECK(POINTER_SIZE_ALIGN(frame_offset) == frame_offset);
+  __ Ldr(value, MemOperand(fp, frame_offset));
+}
 
 void FullCodeGenerator::StoreToFrameField(int frame_offset, Register value) {
   DCHECK(POINTER_SIZE_ALIGN(frame_offset) == frame_offset);
   __ Str(value, MemOperand(fp, frame_offset));
 }
 
 
 void FullCodeGenerator::LoadContextField(Register dst, int context_index) {
   __ Ldr(dst, ContextMemOperand(cp, context_index));
 }
@@ skipping 164 matching lines @@
   }
 
   return INTERRUPT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64