Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(17)

Side by Side Diff: src/arm/macro-assembler-arm.cc

Issue 11498006: Revert 13157, 13145 and 13140: Crankshaft code stubs. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « src/arm/macro-assembler-arm.h ('k') | src/arm/stub-cache-arm.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
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 272 matching lines...) Expand 10 before | Expand all | Expand 10 after
283 } 283 }
284 284
285 285
286 void MacroAssembler::Move(Register dst, Register src, Condition cond) { 286 void MacroAssembler::Move(Register dst, Register src, Condition cond) {
287 if (!dst.is(src)) { 287 if (!dst.is(src)) {
288 mov(dst, src, LeaveCC, cond); 288 mov(dst, src, LeaveCC, cond);
289 } 289 }
290 } 290 }
291 291
292 292
293 void MacroAssembler::Move(DwVfpRegister dst, DwVfpRegister src) { 293 void MacroAssembler::Move(DoubleRegister dst, DoubleRegister src) {
294 ASSERT(CpuFeatures::IsSupported(VFP2)); 294 ASSERT(CpuFeatures::IsSupported(VFP2));
295 CpuFeatures::Scope scope(VFP2); 295 CpuFeatures::Scope scope(VFP2);
296 if (!dst.is(src)) { 296 if (!dst.is(src)) {
297 vmov(dst, src); 297 vmov(dst, src);
298 } 298 }
299 } 299 }
300 300
301 301
302 void MacroAssembler::And(Register dst, Register src1, const Operand& src2, 302 void MacroAssembler::And(Register dst, Register src1, const Operand& src2,
303 Condition cond) { 303 Condition cond) {
(...skipping 332 matching lines...) Expand 10 before | Expand all | Expand 10 after
636 636
637 void MacroAssembler::PopSafepointRegisters() { 637 void MacroAssembler::PopSafepointRegisters() {
638 const int num_unsaved = kNumSafepointRegisters - kNumSafepointSavedRegisters; 638 const int num_unsaved = kNumSafepointRegisters - kNumSafepointSavedRegisters;
639 ldm(ia_w, sp, kSafepointSavedRegisters); 639 ldm(ia_w, sp, kSafepointSavedRegisters);
640 add(sp, sp, Operand(num_unsaved * kPointerSize)); 640 add(sp, sp, Operand(num_unsaved * kPointerSize));
641 } 641 }
642 642
643 643
644 void MacroAssembler::PushSafepointRegistersAndDoubles() { 644 void MacroAssembler::PushSafepointRegistersAndDoubles() {
645 PushSafepointRegisters(); 645 PushSafepointRegisters();
646 sub(sp, sp, Operand(DwVfpRegister::NumAllocatableRegisters() * 646 sub(sp, sp, Operand(DwVfpRegister::kNumAllocatableRegisters *
647 kDoubleSize)); 647 kDoubleSize));
648 for (int i = 0; i < DwVfpRegister::NumAllocatableRegisters(); i++) { 648 for (int i = 0; i < DwVfpRegister::kNumAllocatableRegisters; i++) {
649 vstr(DwVfpRegister::FromAllocationIndex(i), sp, i * kDoubleSize); 649 vstr(DwVfpRegister::FromAllocationIndex(i), sp, i * kDoubleSize);
650 } 650 }
651 } 651 }
652 652
653 653
654 void MacroAssembler::PopSafepointRegistersAndDoubles() { 654 void MacroAssembler::PopSafepointRegistersAndDoubles() {
655 for (int i = 0; i < DwVfpRegister::NumAllocatableRegisters(); i++) { 655 for (int i = 0; i < DwVfpRegister::kNumAllocatableRegisters; i++) {
656 vldr(DwVfpRegister::FromAllocationIndex(i), sp, i * kDoubleSize); 656 vldr(DwVfpRegister::FromAllocationIndex(i), sp, i * kDoubleSize);
657 } 657 }
658 add(sp, sp, Operand(DwVfpRegister::NumAllocatableRegisters() * 658 add(sp, sp, Operand(DwVfpRegister::kNumAllocatableRegisters *
659 kDoubleSize)); 659 kDoubleSize));
660 PopSafepointRegisters(); 660 PopSafepointRegisters();
661 } 661 }
662 662
663 void MacroAssembler::StoreToSafepointRegistersAndDoublesSlot(Register src, 663 void MacroAssembler::StoreToSafepointRegistersAndDoublesSlot(Register src,
664 Register dst) { 664 Register dst) {
665 str(src, SafepointRegistersAndDoublesSlot(dst)); 665 str(src, SafepointRegistersAndDoublesSlot(dst));
666 } 666 }
667 667
668 668
(...skipping 15 matching lines...) Expand all
684 } 684 }
685 685
686 686
687 MemOperand MacroAssembler::SafepointRegisterSlot(Register reg) { 687 MemOperand MacroAssembler::SafepointRegisterSlot(Register reg) {
688 return MemOperand(sp, SafepointRegisterStackIndex(reg.code()) * kPointerSize); 688 return MemOperand(sp, SafepointRegisterStackIndex(reg.code()) * kPointerSize);
689 } 689 }
690 690
691 691
692 MemOperand MacroAssembler::SafepointRegistersAndDoublesSlot(Register reg) { 692 MemOperand MacroAssembler::SafepointRegistersAndDoublesSlot(Register reg) {
693 // General purpose registers are pushed last on the stack. 693 // General purpose registers are pushed last on the stack.
694 int doubles_size = DwVfpRegister::NumAllocatableRegisters() * kDoubleSize; 694 int doubles_size = DwVfpRegister::kNumAllocatableRegisters * kDoubleSize;
695 int register_offset = SafepointRegisterStackIndex(reg.code()) * kPointerSize; 695 int register_offset = SafepointRegisterStackIndex(reg.code()) * kPointerSize;
696 return MemOperand(sp, doubles_size + register_offset); 696 return MemOperand(sp, doubles_size + register_offset);
697 } 697 }
698 698
699 699
700 void MacroAssembler::Ldrd(Register dst1, Register dst2, 700 void MacroAssembler::Ldrd(Register dst1, Register dst2,
701 const MemOperand& src, Condition cond) { 701 const MemOperand& src, Condition cond) {
702 ASSERT(src.rm().is(no_reg)); 702 ASSERT(src.rm().is(no_reg));
703 ASSERT(!dst1.is(lr)); // r14. 703 ASSERT(!dst1.is(lr)); // r14.
704 ASSERT_EQ(0, dst1.code() % 2); 704 ASSERT_EQ(0, dst1.code() % 2);
(...skipping 255 matching lines...) Expand 10 before | Expand all | Expand 10 after
960 #endif 960 #endif
961 961
962 // Tear down the exit frame, pop the arguments, and return. 962 // Tear down the exit frame, pop the arguments, and return.
963 mov(sp, Operand(fp)); 963 mov(sp, Operand(fp));
964 ldm(ia_w, sp, fp.bit() | lr.bit()); 964 ldm(ia_w, sp, fp.bit() | lr.bit());
965 if (argument_count.is_valid()) { 965 if (argument_count.is_valid()) {
966 add(sp, sp, Operand(argument_count, LSL, kPointerSizeLog2)); 966 add(sp, sp, Operand(argument_count, LSL, kPointerSizeLog2));
967 } 967 }
968 } 968 }
969 969
970 void MacroAssembler::GetCFunctionDoubleResult(const DwVfpRegister dst) { 970 void MacroAssembler::GetCFunctionDoubleResult(const DoubleRegister dst) {
971 ASSERT(CpuFeatures::IsSupported(VFP2)); 971 ASSERT(CpuFeatures::IsSupported(VFP2));
972 if (use_eabi_hardfloat()) { 972 if (use_eabi_hardfloat()) {
973 Move(dst, d0); 973 Move(dst, d0);
974 } else { 974 } else {
975 vmov(dst, r0, r1); 975 vmov(dst, r0, r1);
976 } 976 }
977 } 977 }
978 978
979 979
980 void MacroAssembler::SetCallKind(Register dst, CallKind call_kind) { 980 void MacroAssembler::SetCallKind(Register dst, CallKind call_kind) {
(...skipping 1741 matching lines...) Expand 10 before | Expand all | Expand 10 after
2722 2722
2723 void MacroAssembler::CallRuntime(Runtime::FunctionId fid, int num_arguments) { 2723 void MacroAssembler::CallRuntime(Runtime::FunctionId fid, int num_arguments) {
2724 CallRuntime(Runtime::FunctionForId(fid), num_arguments); 2724 CallRuntime(Runtime::FunctionForId(fid), num_arguments);
2725 } 2725 }
2726 2726
2727 2727
2728 void MacroAssembler::CallRuntimeSaveDoubles(Runtime::FunctionId id) { 2728 void MacroAssembler::CallRuntimeSaveDoubles(Runtime::FunctionId id) {
2729 const Runtime::Function* function = Runtime::FunctionForId(id); 2729 const Runtime::Function* function = Runtime::FunctionForId(id);
2730 mov(r0, Operand(function->nargs)); 2730 mov(r0, Operand(function->nargs));
2731 mov(r1, Operand(ExternalReference(function, isolate()))); 2731 mov(r1, Operand(ExternalReference(function, isolate())));
2732 SaveFPRegsMode mode = CpuFeatures::IsSupported(VFP2) 2732 CEntryStub stub(1, kSaveFPRegs);
2733 ? kSaveFPRegs
2734 : kDontSaveFPRegs;
2735 CEntryStub stub(1, mode);
2736 CallStub(&stub); 2733 CallStub(&stub);
2737 } 2734 }
2738 2735
2739 2736
2740 void MacroAssembler::CallExternalReference(const ExternalReference& ext, 2737 void MacroAssembler::CallExternalReference(const ExternalReference& ext,
2741 int num_arguments) { 2738 int num_arguments) {
2742 mov(r0, Operand(num_arguments)); 2739 mov(r0, Operand(num_arguments));
2743 mov(r1, Operand(ext)); 2740 mov(r1, Operand(ext));
2744 2741
2745 CEntryStub stub(1); 2742 CEntryStub stub(1);
(...skipping 655 matching lines...) Expand 10 before | Expand all | Expand 10 after
3401 3398
3402 static const int kRegisterPassedArguments = 4; 3399 static const int kRegisterPassedArguments = 4;
3403 3400
3404 3401
3405 int MacroAssembler::CalculateStackPassedWords(int num_reg_arguments, 3402 int MacroAssembler::CalculateStackPassedWords(int num_reg_arguments,
3406 int num_double_arguments) { 3403 int num_double_arguments) {
3407 int stack_passed_words = 0; 3404 int stack_passed_words = 0;
3408 if (use_eabi_hardfloat()) { 3405 if (use_eabi_hardfloat()) {
3409 // In the hard floating point calling convention, we can use 3406 // In the hard floating point calling convention, we can use
3410 // all double registers to pass doubles. 3407 // all double registers to pass doubles.
3411 if (num_double_arguments > DoubleRegister::NumRegisters()) { 3408 if (num_double_arguments > DoubleRegister::kNumRegisters) {
3412 stack_passed_words += 3409 stack_passed_words +=
3413 2 * (num_double_arguments - DoubleRegister::NumRegisters()); 3410 2 * (num_double_arguments - DoubleRegister::kNumRegisters);
3414 } 3411 }
3415 } else { 3412 } else {
3416 // In the soft floating point calling convention, every double 3413 // In the soft floating point calling convention, every double
3417 // argument is passed using two registers. 3414 // argument is passed using two registers.
3418 num_reg_arguments += 2 * num_double_arguments; 3415 num_reg_arguments += 2 * num_double_arguments;
3419 } 3416 }
3420 // Up to four simple arguments are passed in registers r0..r3. 3417 // Up to four simple arguments are passed in registers r0..r3.
3421 if (num_reg_arguments > kRegisterPassedArguments) { 3418 if (num_reg_arguments > kRegisterPassedArguments) {
3422 stack_passed_words += num_reg_arguments - kRegisterPassedArguments; 3419 stack_passed_words += num_reg_arguments - kRegisterPassedArguments;
3423 } 3420 }
(...skipping 20 matching lines...) Expand all
3444 } 3441 }
3445 } 3442 }
3446 3443
3447 3444
3448 void MacroAssembler::PrepareCallCFunction(int num_reg_arguments, 3445 void MacroAssembler::PrepareCallCFunction(int num_reg_arguments,
3449 Register scratch) { 3446 Register scratch) {
3450 PrepareCallCFunction(num_reg_arguments, 0, scratch); 3447 PrepareCallCFunction(num_reg_arguments, 0, scratch);
3451 } 3448 }
3452 3449
3453 3450
3454 void MacroAssembler::SetCallCDoubleArguments(DwVfpRegister dreg) { 3451 void MacroAssembler::SetCallCDoubleArguments(DoubleRegister dreg) {
3455 ASSERT(CpuFeatures::IsSupported(VFP2)); 3452 ASSERT(CpuFeatures::IsSupported(VFP2));
3456 if (use_eabi_hardfloat()) { 3453 if (use_eabi_hardfloat()) {
3457 Move(d0, dreg); 3454 Move(d0, dreg);
3458 } else { 3455 } else {
3459 vmov(r0, r1, dreg); 3456 vmov(r0, r1, dreg);
3460 } 3457 }
3461 } 3458 }
3462 3459
3463 3460
3464 void MacroAssembler::SetCallCDoubleArguments(DwVfpRegister dreg1, 3461 void MacroAssembler::SetCallCDoubleArguments(DoubleRegister dreg1,
3465 DwVfpRegister dreg2) { 3462 DoubleRegister dreg2) {
3466 ASSERT(CpuFeatures::IsSupported(VFP2)); 3463 ASSERT(CpuFeatures::IsSupported(VFP2));
3467 if (use_eabi_hardfloat()) { 3464 if (use_eabi_hardfloat()) {
3468 if (dreg2.is(d0)) { 3465 if (dreg2.is(d0)) {
3469 ASSERT(!dreg1.is(d1)); 3466 ASSERT(!dreg1.is(d1));
3470 Move(d1, dreg2); 3467 Move(d1, dreg2);
3471 Move(d0, dreg1); 3468 Move(d0, dreg1);
3472 } else { 3469 } else {
3473 Move(d0, dreg1); 3470 Move(d0, dreg1);
3474 Move(d1, dreg2); 3471 Move(d1, dreg2);
3475 } 3472 }
3476 } else { 3473 } else {
3477 vmov(r0, r1, dreg1); 3474 vmov(r0, r1, dreg1);
3478 vmov(r2, r3, dreg2); 3475 vmov(r2, r3, dreg2);
3479 } 3476 }
3480 } 3477 }
3481 3478
3482 3479
3483 void MacroAssembler::SetCallCDoubleArguments(DwVfpRegister dreg, 3480 void MacroAssembler::SetCallCDoubleArguments(DoubleRegister dreg,
3484 Register reg) { 3481 Register reg) {
3485 ASSERT(CpuFeatures::IsSupported(VFP2)); 3482 ASSERT(CpuFeatures::IsSupported(VFP2));
3486 if (use_eabi_hardfloat()) { 3483 if (use_eabi_hardfloat()) {
3487 Move(d0, dreg); 3484 Move(d0, dreg);
3488 Move(r0, reg); 3485 Move(r0, reg);
3489 } else { 3486 } else {
3490 Move(r2, reg); 3487 Move(r2, reg);
3491 vmov(r0, r1, dreg); 3488 vmov(r0, r1, dreg);
3492 } 3489 }
3493 } 3490 }
(...skipping 262 matching lines...) Expand 10 before | Expand all | Expand 10 after
3756 bind(&done); 3753 bind(&done);
3757 } 3754 }
3758 3755
3759 3756
3760 void MacroAssembler::ClampUint8(Register output_reg, Register input_reg) { 3757 void MacroAssembler::ClampUint8(Register output_reg, Register input_reg) {
3761 Usat(output_reg, 8, Operand(input_reg)); 3758 Usat(output_reg, 8, Operand(input_reg));
3762 } 3759 }
3763 3760
3764 3761
3765 void MacroAssembler::ClampDoubleToUint8(Register result_reg, 3762 void MacroAssembler::ClampDoubleToUint8(Register result_reg,
3766 DwVfpRegister input_reg, 3763 DoubleRegister input_reg,
3767 DwVfpRegister temp_double_reg) { 3764 DoubleRegister temp_double_reg) {
3768 Label above_zero; 3765 Label above_zero;
3769 Label done; 3766 Label done;
3770 Label in_bounds; 3767 Label in_bounds;
3771 3768
3772 Vmov(temp_double_reg, 0.0); 3769 Vmov(temp_double_reg, 0.0);
3773 VFPCompareAndSetFlags(input_reg, temp_double_reg); 3770 VFPCompareAndSetFlags(input_reg, temp_double_reg);
3774 b(gt, &above_zero); 3771 b(gt, &above_zero);
3775 3772
3776 // Double value is less than zero, NaN or Inf, return 0. 3773 // Double value is less than zero, NaN or Inf, return 0.
3777 mov(result_reg, Operand(0)); 3774 mov(result_reg, Operand(0));
(...skipping 138 matching lines...) Expand 10 before | Expand all | Expand 10 after
3916 void CodePatcher::EmitCondition(Condition cond) { 3913 void CodePatcher::EmitCondition(Condition cond) {
3917 Instr instr = Assembler::instr_at(masm_.pc_); 3914 Instr instr = Assembler::instr_at(masm_.pc_);
3918 instr = (instr & ~kCondMask) | cond; 3915 instr = (instr & ~kCondMask) | cond;
3919 masm_.emit(instr); 3916 masm_.emit(instr);
3920 } 3917 }
3921 3918
3922 3919
3923 } } // namespace v8::internal 3920 } } // namespace v8::internal
3924 3921
3925 #endif // V8_TARGET_ARCH_ARM 3922 #endif // V8_TARGET_ARCH_ARM
OLDNEW
« no previous file with comments | « src/arm/macro-assembler-arm.h ('k') | src/arm/stub-cache-arm.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698