VM: Use constant pool also for leaf runtime calls on x64, arm, arm64 and mips.

runtime/vm/stub_code_arm64.cc

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
@@ skipping 430 matching lines @@
 //   +------------------+
 //   | return-address   |  (deoptimization point)
 //   +------------------+
 //   | ...              | <- SP of optimized frame
 //
 // Parts of the code cannot GC, part of the code can GC.
 static void GenerateDeoptimizationSequence(Assembler* assembler,
                                            bool preserve_result) {
   // DeoptimizeCopyFrame expects a Dart frame, i.e. EnterDartFrame(0), but there
   // is no need to set the correct PC marker or load PP, since they get patched.
-  __ EnterFrame(0);
-  __ TagAndPushPPAndPcMarker(ZR);
+  __ EnterStubFrame();
 
   // The code in this frame may not cause GC. kDeoptimizeCopyFrameRuntimeEntry
   // and kDeoptimizeFillFrameRuntimeEntry are leaf runtime calls.
   const intptr_t saved_result_slot_from_fp =
       kFirstLocalSlotFromFp + 1 - (kNumberOfCpuRegisters - R0);
   // Result in R0 is preserved as part of pushing all registers below.
 
   // Push registers in their enumeration order: lowest register number at
   // lowest address.
   for (intptr_t i = kNumberOfCpuRegisters - 1; i >= 0; i--) {
@@ skipping 10 matching lines @@
   __ ReserveAlignedFrameSpace(0);
   __ CallRuntime(kDeoptimizeCopyFrameRuntimeEntry, 1);
   // Result (R0) is stack-size (FP - SP) in bytes.
 
   if (preserve_result) {
     // Restore result into R1 temporarily.
     __ LoadFromOffset(R1, FP, saved_result_slot_from_fp * kWordSize);
   }
 
   // There is a Dart Frame on the stack. We must restore PP and leave frame.
-  __ LeaveDartFrame();
+  __ LeaveStubFrame();
   __ sub(SP, FP, Operand(R0));
 
   // DeoptimizeFillFrame expects a Dart frame, i.e. EnterDartFrame(0), but there
   // is no need to set the correct PC marker or load PP, since they get patched.
-  __ EnterFrame(0);
-  __ TagAndPushPPAndPcMarker(ZR);
+  __ EnterStubFrame();
 
   if (preserve_result) {
     __ Push(R1);  // Preserve result as first local.
   }
   __ ReserveAlignedFrameSpace(0);
   __ mov(R0, FP);  // Pass last FP as parameter in R0.
   __ CallRuntime(kDeoptimizeFillFrameRuntimeEntry, 1);
   if (preserve_result) {
     // Restore result into R1.
     __ LoadFromOffset(R1, FP, kFirstLocalSlotFromFp * kWordSize);
   }
   // Code above cannot cause GC.
   // There is a Dart Frame on the stack. We must restore PP and leave frame.
-  __ LeaveDartFrame();
+  __ LeaveStubFrame();
 
   // Frame is fully rewritten at this point and it is safe to perform a GC.
   // Materialize any objects that were deferred by FillFrame because they
   // require allocation.
   // Enter stub frame with loading PP. The caller's PP is not materialized yet.
   __ EnterStubFrame();
   if (preserve_result) {
     __ Push(R1);  // Preserve result, it will be GC-d here.
   }
   __ Push(ZR);  // Space for the result.
@@ skipping 1608 matching lines @@
 // Result:
 //  R1: entry point.
 void StubCode::GenerateMegamorphicLookupStub(Assembler* assembler) {
   EmitMegamorphicLookup(assembler, R0, R1, R1);
   __ ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64