| Index: src/compiler/ia32/code-generator-ia32.cc
|
| diff --git a/src/compiler/ia32/code-generator-ia32.cc b/src/compiler/ia32/code-generator-ia32.cc
|
| index ffdeae7a4198bd9f4c7b181c4fb1e440dee78ecc..f3626934dede6c7cd72b6a28db3c17d517305f51 100644
|
| --- a/src/compiler/ia32/code-generator-ia32.cc
|
| +++ b/src/compiler/ia32/code-generator-ia32.cc
|
| @@ -327,18 +327,23 @@ class OutOfLineRecordWrite final : public OutOfLineCode {
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|
|
|
|
| void CodeGenerator::AssembleDeconstructActivationRecord(int stack_param_delta) {
|
| + int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta);
|
| + if (sp_slot_delta > 0) {
|
| + __ add(esp, Immediate(sp_slot_delta * kPointerSize));
|
| + }
|
| CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
|
| - int stack_slots = frame()->GetSpillSlotCount();
|
| - if (descriptor->IsJSFunctionCall() || stack_slots > 0) {
|
| - __ mov(esp, ebp);
|
| + int spill_slots = frame()->GetSpillSlotCount();
|
| + bool has_frame = descriptor->IsJSFunctionCall() || spill_slots > 0;
|
| + if (has_frame) {
|
| __ pop(ebp);
|
| }
|
| - if (stack_param_delta < 0) {
|
| - int offset = -(stack_param_delta + 1) * kPointerSize;
|
| - __ pop(Operand(esp, offset));
|
| - if (offset != 0) {
|
| - __ add(esp, Immediate(offset));
|
| - }
|
| +}
|
| +
|
| +
|
| +void CodeGenerator::AssemblePrepareTailCall(int stack_param_delta) {
|
| + int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta);
|
| + if (sp_slot_delta < 0) {
|
| + __ sub(esp, Immediate(-sp_slot_delta * kPointerSize));
|
| }
|
| }
|
|
|
| @@ -408,6 +413,9 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
|
| __ PrepareCallCFunction(num_parameters, i.TempRegister(0));
|
| break;
|
| }
|
| + case kArchPrepareTailCall:
|
| + AssemblePrepareTailCall(i.InputInt32(instr->InputCount() - 1));
|
| + break;
|
| case kArchCallCFunction: {
|
| int const num_parameters = MiscField::decode(instr->opcode());
|
| if (HasImmediateInput(instr, 0)) {
|
|
|