PPC/s390: Refactor of AssembleDeoptimizerCall.

Port 2d858519

Original Commit Message:

    There's no need for this code to be completely architecture specific.

R=jupvfranco@google.com, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Change-Id: I33d4eaff8309e6684cf9ab003f57aeac15e4a56e
Reviewed-on: https://chromium-review.googlesource.com/626318Reviewed-by: Junliang Yan <jyan@ca.ibm.com>
Commit-Queue: Jaideep Bajwa <bjaideep@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#47517}

src/compiler/ppc/code-generator-ppc.cc

@@ -2188,25 +2188,6 @@ void CodeGenerator::AssembleArchTableSwitch(Instruction* instr) {
   __ Jump(kScratchReg);
 }
 
-CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall(
-    int deoptimization_id, SourcePosition pos) {
-  DeoptimizeReason deoptimization_reason =
-      GetDeoptimizationReason(deoptimization_id);
-  Deoptimizer::BailoutType bailout_type =
-      DeoptimizerCallBailout(deoptimization_id, pos);
-  Address deopt_entry = Deoptimizer::GetDeoptimizationEntry(
-      __ isolate(), deoptimization_id, bailout_type);
-  // TODO(turbofan): We should be able to generate better code by sharing the
-  // actual final call site and just bl'ing to it here, similar to what we do
-  // in the lithium backend.
-  if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts;
-  if (info()->is_source_positions_enabled()) {
-    __ RecordDeoptReason(deoptimization_reason, pos, deoptimization_id);
-  }
-  __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY);
-  return kSuccess;
-}
-
 void CodeGenerator::FinishFrame(Frame* frame) {
   CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
   const RegList double_saves = descriptor->CalleeSavedFPRegisters();

src/compiler/s390/code-generator-s390.cc

@@ -2568,25 +2568,6 @@ void CodeGenerator::AssembleArchTableSwitch(Instruction* instr) {
   __ Jump(kScratchReg);
 }
 
-CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall(
-    int deoptimization_id, SourcePosition pos) {
-  DeoptimizeReason deoptimization_reason =
-      GetDeoptimizationReason(deoptimization_id);
-  Deoptimizer::BailoutType bailout_type =
-      DeoptimizerCallBailout(deoptimization_id, pos);
-  Address deopt_entry = Deoptimizer::GetDeoptimizationEntry(
-      __ isolate(), deoptimization_id, bailout_type);
-  // TODO(turbofan): We should be able to generate better code by sharing the
-  // actual final call site and just bl'ing to it here, similar to what we do
-  // in the lithium backend.
-  if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts;
-  if (info()->is_source_positions_enabled()) {
-    __ RecordDeoptReason(deoptimization_reason, pos, deoptimization_id);
-  }
-  __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY);
-  return kSuccess;
-}
-
 void CodeGenerator::FinishFrame(Frame* frame) {
   CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
   const RegList double_saves = descriptor->CalleeSavedFPRegisters();

src/ppc/macro-assembler-ppc.h

@@ -414,6 +414,10 @@ class TurboAssembler : public Assembler {
             Condition cond = al);
   void Call(Label* target);
 
+  void CallForDeoptimization(Address target, RelocInfo::Mode rmode) {
+    Call(target, rmode);
+  }
+
   // Emit code to discard a non-negative number of pointer-sized elements
   // from the stack, clobbering only the sp register.
   void Drop(int count);

src/s390/macro-assembler-s390.h

@@ -203,6 +203,9 @@ class TurboAssembler : public Assembler {
   void Ret() { b(r14); }
   void Ret(Condition cond) { b(cond, r14); }
 
+  void CallForDeoptimization(Address target, RelocInfo::Mode rmode) {
+    Call(target, rmode);
+  }
 
   // Emit code to discard a non-negative number of pointer-sized elements
   // from the stack, clobbering only the sp register.