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Issue 132623005: A64: Synchronize with r18642. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/a64
Patch Set: Created 6 years, 10 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
(...skipping 3553 matching lines...) Expand 10 before | Expand all | Expand 10 after
3564 Move(f12, src1); 3564 Move(f12, src1);
3565 Move(f14, src2); 3565 Move(f14, src2);
3566 } 3566 }
3567 } else { 3567 } else {
3568 Move(a0, a1, src1); 3568 Move(a0, a1, src1);
3569 Move(a2, a3, src2); 3569 Move(a2, a3, src2);
3570 } 3570 }
3571 } 3571 }
3572 3572
3573 3573
3574 void MacroAssembler::SetCallKind(Register dst, CallKind call_kind) {
3575 // This macro takes the dst register to make the code more readable
3576 // at the call sites. However, the dst register has to be t1 to
3577 // follow the calling convention which requires the call type to be
3578 // in t1.
3579 ASSERT(dst.is(t1));
3580 if (call_kind == CALL_AS_FUNCTION) {
3581 li(dst, Operand(Smi::FromInt(1)));
3582 } else {
3583 li(dst, Operand(Smi::FromInt(0)));
3584 }
3585 }
3586
3587
3588 // ----------------------------------------------------------------------------- 3574 // -----------------------------------------------------------------------------
3589 // JavaScript invokes. 3575 // JavaScript invokes.
3590 3576
3591 void MacroAssembler::InvokePrologue(const ParameterCount& expected, 3577 void MacroAssembler::InvokePrologue(const ParameterCount& expected,
3592 const ParameterCount& actual, 3578 const ParameterCount& actual,
3593 Handle<Code> code_constant, 3579 Handle<Code> code_constant,
3594 Register code_reg, 3580 Register code_reg,
3595 Label* done, 3581 Label* done,
3596 bool* definitely_mismatches, 3582 bool* definitely_mismatches,
3597 InvokeFlag flag, 3583 InvokeFlag flag,
3598 const CallWrapper& call_wrapper, 3584 const CallWrapper& call_wrapper) {
3599 CallKind call_kind) {
3600 bool definitely_matches = false; 3585 bool definitely_matches = false;
3601 *definitely_mismatches = false; 3586 *definitely_mismatches = false;
3602 Label regular_invoke; 3587 Label regular_invoke;
3603 3588
3604 // Check whether the expected and actual arguments count match. If not, 3589 // Check whether the expected and actual arguments count match. If not,
3605 // setup registers according to contract with ArgumentsAdaptorTrampoline: 3590 // setup registers according to contract with ArgumentsAdaptorTrampoline:
3606 // a0: actual arguments count 3591 // a0: actual arguments count
3607 // a1: function (passed through to callee) 3592 // a1: function (passed through to callee)
3608 // a2: expected arguments count 3593 // a2: expected arguments count
3609 // a3: callee code entry
3610 3594
3611 // The code below is made a lot easier because the calling code already sets 3595 // The code below is made a lot easier because the calling code already sets
3612 // up actual and expected registers according to the contract if values are 3596 // up actual and expected registers according to the contract if values are
3613 // passed in registers. 3597 // passed in registers.
3614 ASSERT(actual.is_immediate() || actual.reg().is(a0)); 3598 ASSERT(actual.is_immediate() || actual.reg().is(a0));
3615 ASSERT(expected.is_immediate() || expected.reg().is(a2)); 3599 ASSERT(expected.is_immediate() || expected.reg().is(a2));
3616 ASSERT((!code_constant.is_null() && code_reg.is(no_reg)) || code_reg.is(a3)); 3600 ASSERT((!code_constant.is_null() && code_reg.is(no_reg)) || code_reg.is(a3));
3617 3601
3618 if (expected.is_immediate()) { 3602 if (expected.is_immediate()) {
3619 ASSERT(actual.is_immediate()); 3603 ASSERT(actual.is_immediate());
(...skipping 23 matching lines...) Expand all
3643 if (!definitely_matches) { 3627 if (!definitely_matches) {
3644 if (!code_constant.is_null()) { 3628 if (!code_constant.is_null()) {
3645 li(a3, Operand(code_constant)); 3629 li(a3, Operand(code_constant));
3646 addiu(a3, a3, Code::kHeaderSize - kHeapObjectTag); 3630 addiu(a3, a3, Code::kHeaderSize - kHeapObjectTag);
3647 } 3631 }
3648 3632
3649 Handle<Code> adaptor = 3633 Handle<Code> adaptor =
3650 isolate()->builtins()->ArgumentsAdaptorTrampoline(); 3634 isolate()->builtins()->ArgumentsAdaptorTrampoline();
3651 if (flag == CALL_FUNCTION) { 3635 if (flag == CALL_FUNCTION) {
3652 call_wrapper.BeforeCall(CallSize(adaptor)); 3636 call_wrapper.BeforeCall(CallSize(adaptor));
3653 SetCallKind(t1, call_kind);
3654 Call(adaptor); 3637 Call(adaptor);
3655 call_wrapper.AfterCall(); 3638 call_wrapper.AfterCall();
3656 if (!*definitely_mismatches) { 3639 if (!*definitely_mismatches) {
3657 Branch(done); 3640 Branch(done);
3658 } 3641 }
3659 } else { 3642 } else {
3660 SetCallKind(t1, call_kind);
3661 Jump(adaptor, RelocInfo::CODE_TARGET); 3643 Jump(adaptor, RelocInfo::CODE_TARGET);
3662 } 3644 }
3663 bind(&regular_invoke); 3645 bind(&regular_invoke);
3664 } 3646 }
3665 } 3647 }
3666 3648
3667 3649
3668 void MacroAssembler::InvokeCode(Register code, 3650 void MacroAssembler::InvokeCode(Register code,
3669 const ParameterCount& expected, 3651 const ParameterCount& expected,
3670 const ParameterCount& actual, 3652 const ParameterCount& actual,
3671 InvokeFlag flag, 3653 InvokeFlag flag,
3672 const CallWrapper& call_wrapper, 3654 const CallWrapper& call_wrapper) {
3673 CallKind call_kind) {
3674 // You can't call a function without a valid frame. 3655 // You can't call a function without a valid frame.
3675 ASSERT(flag == JUMP_FUNCTION || has_frame()); 3656 ASSERT(flag == JUMP_FUNCTION || has_frame());
3676 3657
3677 Label done; 3658 Label done;
3678 3659
3679 bool definitely_mismatches = false; 3660 bool definitely_mismatches = false;
3680 InvokePrologue(expected, actual, Handle<Code>::null(), code, 3661 InvokePrologue(expected, actual, Handle<Code>::null(), code,
3681 &done, &definitely_mismatches, flag, 3662 &done, &definitely_mismatches, flag,
3682 call_wrapper, call_kind); 3663 call_wrapper);
3683 if (!definitely_mismatches) { 3664 if (!definitely_mismatches) {
3684 if (flag == CALL_FUNCTION) { 3665 if (flag == CALL_FUNCTION) {
3685 call_wrapper.BeforeCall(CallSize(code)); 3666 call_wrapper.BeforeCall(CallSize(code));
3686 SetCallKind(t1, call_kind);
3687 Call(code); 3667 Call(code);
3688 call_wrapper.AfterCall(); 3668 call_wrapper.AfterCall();
3689 } else { 3669 } else {
3690 ASSERT(flag == JUMP_FUNCTION); 3670 ASSERT(flag == JUMP_FUNCTION);
3691 SetCallKind(t1, call_kind);
3692 Jump(code); 3671 Jump(code);
3693 } 3672 }
3694 // Continue here if InvokePrologue does handle the invocation due to 3673 // Continue here if InvokePrologue does handle the invocation due to
3695 // mismatched parameter counts. 3674 // mismatched parameter counts.
3696 bind(&done); 3675 bind(&done);
3697 } 3676 }
3698 } 3677 }
3699 3678
3700 3679
3701 void MacroAssembler::InvokeCode(Handle<Code> code,
3702 const ParameterCount& expected,
3703 const ParameterCount& actual,
3704 RelocInfo::Mode rmode,
3705 InvokeFlag flag,
3706 CallKind call_kind) {
3707 // You can't call a function without a valid frame.
3708 ASSERT(flag == JUMP_FUNCTION || has_frame());
3709
3710 Label done;
3711
3712 bool definitely_mismatches = false;
3713 InvokePrologue(expected, actual, code, no_reg,
3714 &done, &definitely_mismatches, flag,
3715 NullCallWrapper(), call_kind);
3716 if (!definitely_mismatches) {
3717 if (flag == CALL_FUNCTION) {
3718 SetCallKind(t1, call_kind);
3719 Call(code, rmode);
3720 } else {
3721 SetCallKind(t1, call_kind);
3722 Jump(code, rmode);
3723 }
3724 // Continue here if InvokePrologue does handle the invocation due to
3725 // mismatched parameter counts.
3726 bind(&done);
3727 }
3728 }
3729
3730
3731 void MacroAssembler::InvokeFunction(Register function, 3680 void MacroAssembler::InvokeFunction(Register function,
3732 const ParameterCount& actual, 3681 const ParameterCount& actual,
3733 InvokeFlag flag, 3682 InvokeFlag flag,
3734 const CallWrapper& call_wrapper, 3683 const CallWrapper& call_wrapper) {
3735 CallKind call_kind) {
3736 // You can't call a function without a valid frame. 3684 // You can't call a function without a valid frame.
3737 ASSERT(flag == JUMP_FUNCTION || has_frame()); 3685 ASSERT(flag == JUMP_FUNCTION || has_frame());
3738 3686
3739 // Contract with called JS functions requires that function is passed in a1. 3687 // Contract with called JS functions requires that function is passed in a1.
3740 ASSERT(function.is(a1)); 3688 ASSERT(function.is(a1));
3741 Register expected_reg = a2; 3689 Register expected_reg = a2;
3742 Register code_reg = a3; 3690 Register code_reg = a3;
3743 3691
3744 lw(code_reg, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset)); 3692 lw(code_reg, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset));
3745 lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset)); 3693 lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset));
3746 lw(expected_reg, 3694 lw(expected_reg,
3747 FieldMemOperand(code_reg, 3695 FieldMemOperand(code_reg,
3748 SharedFunctionInfo::kFormalParameterCountOffset)); 3696 SharedFunctionInfo::kFormalParameterCountOffset));
3749 sra(expected_reg, expected_reg, kSmiTagSize); 3697 sra(expected_reg, expected_reg, kSmiTagSize);
3750 lw(code_reg, FieldMemOperand(a1, JSFunction::kCodeEntryOffset)); 3698 lw(code_reg, FieldMemOperand(a1, JSFunction::kCodeEntryOffset));
3751 3699
3752 ParameterCount expected(expected_reg); 3700 ParameterCount expected(expected_reg);
3753 InvokeCode(code_reg, expected, actual, flag, call_wrapper, call_kind); 3701 InvokeCode(code_reg, expected, actual, flag, call_wrapper);
3754 } 3702 }
3755 3703
3756 3704
3757 void MacroAssembler::InvokeFunction(Register function, 3705 void MacroAssembler::InvokeFunction(Register function,
3758 const ParameterCount& expected, 3706 const ParameterCount& expected,
3759 const ParameterCount& actual, 3707 const ParameterCount& actual,
3760 InvokeFlag flag, 3708 InvokeFlag flag,
3761 const CallWrapper& call_wrapper, 3709 const CallWrapper& call_wrapper) {
3762 CallKind call_kind) {
3763 // You can't call a function without a valid frame. 3710 // You can't call a function without a valid frame.
3764 ASSERT(flag == JUMP_FUNCTION || has_frame()); 3711 ASSERT(flag == JUMP_FUNCTION || has_frame());
3765 3712
3766 // Contract with called JS functions requires that function is passed in a1. 3713 // Contract with called JS functions requires that function is passed in a1.
3767 ASSERT(function.is(a1)); 3714 ASSERT(function.is(a1));
3768 3715
3769 // Get the function and setup the context. 3716 // Get the function and setup the context.
3770 lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset)); 3717 lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset));
3771 3718
3772 // We call indirectly through the code field in the function to 3719 // We call indirectly through the code field in the function to
3773 // allow recompilation to take effect without changing any of the 3720 // allow recompilation to take effect without changing any of the
3774 // call sites. 3721 // call sites.
3775 lw(a3, FieldMemOperand(a1, JSFunction::kCodeEntryOffset)); 3722 lw(a3, FieldMemOperand(a1, JSFunction::kCodeEntryOffset));
3776 InvokeCode(a3, expected, actual, flag, call_wrapper, call_kind); 3723 InvokeCode(a3, expected, actual, flag, call_wrapper);
3777 } 3724 }
3778 3725
3779 3726
3780 void MacroAssembler::InvokeFunction(Handle<JSFunction> function, 3727 void MacroAssembler::InvokeFunction(Handle<JSFunction> function,
3781 const ParameterCount& expected, 3728 const ParameterCount& expected,
3782 const ParameterCount& actual, 3729 const ParameterCount& actual,
3783 InvokeFlag flag, 3730 InvokeFlag flag,
3784 const CallWrapper& call_wrapper, 3731 const CallWrapper& call_wrapper) {
3785 CallKind call_kind) {
3786 li(a1, function); 3732 li(a1, function);
3787 InvokeFunction(a1, expected, actual, flag, call_wrapper, call_kind); 3733 InvokeFunction(a1, expected, actual, flag, call_wrapper);
3788 } 3734 }
3789 3735
3790 3736
3791 void MacroAssembler::IsObjectJSObjectType(Register heap_object, 3737 void MacroAssembler::IsObjectJSObjectType(Register heap_object,
3792 Register map, 3738 Register map,
3793 Register scratch, 3739 Register scratch,
3794 Label* fail) { 3740 Label* fail) {
3795 lw(map, FieldMemOperand(heap_object, HeapObject::kMapOffset)); 3741 lw(map, FieldMemOperand(heap_object, HeapObject::kMapOffset));
3796 IsInstanceJSObjectType(map, scratch, fail); 3742 IsInstanceJSObjectType(map, scratch, fail);
3797 } 3743 }
(...skipping 486 matching lines...) Expand 10 before | Expand all | Expand 10 after
4284 4230
4285 void MacroAssembler::InvokeBuiltin(Builtins::JavaScript id, 4231 void MacroAssembler::InvokeBuiltin(Builtins::JavaScript id,
4286 InvokeFlag flag, 4232 InvokeFlag flag,
4287 const CallWrapper& call_wrapper) { 4233 const CallWrapper& call_wrapper) {
4288 // You can't call a builtin without a valid frame. 4234 // You can't call a builtin without a valid frame.
4289 ASSERT(flag == JUMP_FUNCTION || has_frame()); 4235 ASSERT(flag == JUMP_FUNCTION || has_frame());
4290 4236
4291 GetBuiltinEntry(t9, id); 4237 GetBuiltinEntry(t9, id);
4292 if (flag == CALL_FUNCTION) { 4238 if (flag == CALL_FUNCTION) {
4293 call_wrapper.BeforeCall(CallSize(t9)); 4239 call_wrapper.BeforeCall(CallSize(t9));
4294 SetCallKind(t1, CALL_AS_METHOD);
4295 Call(t9); 4240 Call(t9);
4296 call_wrapper.AfterCall(); 4241 call_wrapper.AfterCall();
4297 } else { 4242 } else {
4298 ASSERT(flag == JUMP_FUNCTION); 4243 ASSERT(flag == JUMP_FUNCTION);
4299 SetCallKind(t1, CALL_AS_METHOD);
4300 Jump(t9); 4244 Jump(t9);
4301 } 4245 }
4302 } 4246 }
4303 4247
4304 4248
4305 void MacroAssembler::GetBuiltinFunction(Register target, 4249 void MacroAssembler::GetBuiltinFunction(Register target,
4306 Builtins::JavaScript id) { 4250 Builtins::JavaScript id) {
4307 // Load the builtins object into target register. 4251 // Load the builtins object into target register.
4308 lw(target, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); 4252 lw(target, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
4309 lw(target, FieldMemOperand(target, GlobalObject::kBuiltinsOffset)); 4253 lw(target, FieldMemOperand(target, GlobalObject::kBuiltinsOffset));
(...skipping 1485 matching lines...) Expand 10 before | Expand all | Expand 10 after
5795 opcode == BGTZL); 5739 opcode == BGTZL);
5796 opcode = (cond == eq) ? BEQ : BNE; 5740 opcode = (cond == eq) ? BEQ : BNE;
5797 instr = (instr & ~kOpcodeMask) | opcode; 5741 instr = (instr & ~kOpcodeMask) | opcode;
5798 masm_.emit(instr); 5742 masm_.emit(instr);
5799 } 5743 }
5800 5744
5801 5745
5802 } } // namespace v8::internal 5746 } } // namespace v8::internal
5803 5747
5804 #endif // V8_TARGET_ARCH_MIPS 5748 #endif // V8_TARGET_ARCH_MIPS
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