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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 |
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| 2610 | 2610 |
| 2611 | 2611 |
| 2612 void MacroAssembler::GetLeastBitsFromInt32(Register dst, | 2612 void MacroAssembler::GetLeastBitsFromInt32(Register dst, |
| 2613 Register src, | 2613 Register src, |
| 2614 int num_least_bits) { | 2614 int num_least_bits) { |
| 2615 and_(dst, src, Operand((1 << num_least_bits) - 1)); | 2615 and_(dst, src, Operand((1 << num_least_bits) - 1)); |
| 2616 } | 2616 } |
| 2617 | 2617 |
| 2618 | 2618 |
| 2619 void MacroAssembler::CallRuntime(const Runtime::Function* f, | 2619 void MacroAssembler::CallRuntime(const Runtime::Function* f, |
| 2620 int num_arguments) { | 2620 int num_arguments, |
| 2621 SaveFPRegsMode save_doubles) { |
| 2621 // All parameters are on the stack. r0 has the return value after call. | 2622 // All parameters are on the stack. r0 has the return value after call. |
| 2622 | 2623 |
| 2623 // If the expected number of arguments of the runtime function is | 2624 // If the expected number of arguments of the runtime function is |
| 2624 // constant, we check that the actual number of arguments match the | 2625 // constant, we check that the actual number of arguments match the |
| 2625 // expectation. | 2626 // expectation. |
| 2626 if (f->nargs >= 0 && f->nargs != num_arguments) { | 2627 if (f->nargs >= 0 && f->nargs != num_arguments) { |
| 2627 IllegalOperation(num_arguments); | 2628 IllegalOperation(num_arguments); |
| 2628 return; | 2629 return; |
| 2629 } | 2630 } |
| 2630 | 2631 |
| 2631 // TODO(1236192): Most runtime routines don't need the number of | 2632 // TODO(1236192): Most runtime routines don't need the number of |
| 2632 // arguments passed in because it is constant. At some point we | 2633 // arguments passed in because it is constant. At some point we |
| 2633 // should remove this need and make the runtime routine entry code | 2634 // should remove this need and make the runtime routine entry code |
| 2634 // smarter. | 2635 // smarter. |
| 2635 mov(r0, Operand(num_arguments)); | 2636 mov(r0, Operand(num_arguments)); |
| 2636 mov(r1, Operand(ExternalReference(f, isolate()))); | 2637 mov(r1, Operand(ExternalReference(f, isolate()))); |
| 2637 CEntryStub stub(1); | 2638 CEntryStub stub(1, save_doubles); |
| 2638 CallStub(&stub); | 2639 CallStub(&stub); |
| 2639 } | 2640 } |
| 2640 | 2641 |
| 2641 | |
| 2642 void MacroAssembler::CallRuntime(Runtime::FunctionId fid, int num_arguments) { | |
| 2643 CallRuntime(Runtime::FunctionForId(fid), num_arguments); | |
| 2644 } | |
| 2645 | |
| 2646 | |
| 2647 void MacroAssembler::CallRuntimeSaveDoubles(Runtime::FunctionId id) { | |
| 2648 const Runtime::Function* function = Runtime::FunctionForId(id); | |
| 2649 mov(r0, Operand(function->nargs)); | |
| 2650 mov(r1, Operand(ExternalReference(function, isolate()))); | |
| 2651 CEntryStub stub(1, kSaveFPRegs); | |
| 2652 CallStub(&stub); | |
| 2653 } | |
| 2654 | |
| 2655 | 2642 |
| 2656 void MacroAssembler::CallExternalReference(const ExternalReference& ext, | 2643 void MacroAssembler::CallExternalReference(const ExternalReference& ext, |
| 2657 int num_arguments) { | 2644 int num_arguments) { |
| 2658 mov(r0, Operand(num_arguments)); | 2645 mov(r0, Operand(num_arguments)); |
| 2659 mov(r1, Operand(ext)); | 2646 mov(r1, Operand(ext)); |
| 2660 | 2647 |
| 2661 CEntryStub stub(1); | 2648 CEntryStub stub(1); |
| 2662 CallStub(&stub); | 2649 CallStub(&stub); |
| 2663 } | 2650 } |
| 2664 | 2651 |
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| 3979 void CodePatcher::EmitCondition(Condition cond) { | 3966 void CodePatcher::EmitCondition(Condition cond) { |
| 3980 Instr instr = Assembler::instr_at(masm_.pc_); | 3967 Instr instr = Assembler::instr_at(masm_.pc_); |
| 3981 instr = (instr & ~kCondMask) | cond; | 3968 instr = (instr & ~kCondMask) | cond; |
| 3982 masm_.emit(instr); | 3969 masm_.emit(instr); |
| 3983 } | 3970 } |
| 3984 | 3971 |
| 3985 | 3972 |
| 3986 } } // namespace v8::internal | 3973 } } // namespace v8::internal |
| 3987 | 3974 |
| 3988 #endif // V8_TARGET_ARCH_ARM | 3975 #endif // V8_TARGET_ARCH_ARM |
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