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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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| 2596 | 2596 |
| 2597 | 2597 |
| 2598 void MacroAssembler::GetLeastBitsFromInt32(Register dst, | 2598 void MacroAssembler::GetLeastBitsFromInt32(Register dst, |
| 2599 Register src, | 2599 Register src, |
| 2600 int num_least_bits) { | 2600 int num_least_bits) { |
| 2601 and_(dst, src, Operand((1 << num_least_bits) - 1)); | 2601 and_(dst, src, Operand((1 << num_least_bits) - 1)); |
| 2602 } | 2602 } |
| 2603 | 2603 |
| 2604 | 2604 |
| 2605 void MacroAssembler::CallRuntime(const Runtime::Function* f, | 2605 void MacroAssembler::CallRuntime(const Runtime::Function* f, |
| 2606 int num_arguments) { | 2606 int num_arguments, |
| 2607 SaveFPRegsMode save_doubles) { |
| 2607 // All parameters are on the stack. r0 has the return value after call. | 2608 // All parameters are on the stack. r0 has the return value after call. |
| 2608 | 2609 |
| 2609 // If the expected number of arguments of the runtime function is | 2610 // If the expected number of arguments of the runtime function is |
| 2610 // constant, we check that the actual number of arguments match the | 2611 // constant, we check that the actual number of arguments match the |
| 2611 // expectation. | 2612 // expectation. |
| 2612 if (f->nargs >= 0 && f->nargs != num_arguments) { | 2613 if (f->nargs >= 0 && f->nargs != num_arguments) { |
| 2613 IllegalOperation(num_arguments); | 2614 IllegalOperation(num_arguments); |
| 2614 return; | 2615 return; |
| 2615 } | 2616 } |
| 2616 | 2617 |
| 2617 // TODO(1236192): Most runtime routines don't need the number of | 2618 // TODO(1236192): Most runtime routines don't need the number of |
| 2618 // arguments passed in because it is constant. At some point we | 2619 // arguments passed in because it is constant. At some point we |
| 2619 // should remove this need and make the runtime routine entry code | 2620 // should remove this need and make the runtime routine entry code |
| 2620 // smarter. | 2621 // smarter. |
| 2621 mov(r0, Operand(num_arguments)); | 2622 mov(r0, Operand(num_arguments)); |
| 2622 mov(r1, Operand(ExternalReference(f, isolate()))); | 2623 mov(r1, Operand(ExternalReference(f, isolate()))); |
| 2623 CEntryStub stub(1); | 2624 CEntryStub stub(1, save_doubles); |
| 2624 CallStub(&stub); | 2625 CallStub(&stub); |
| 2625 } | 2626 } |
| 2626 | 2627 |
| 2627 | 2628 |
| 2628 void MacroAssembler::CallRuntime(Runtime::FunctionId fid, int num_arguments) { | 2629 void MacroAssembler::CallRuntime(Runtime::FunctionId fid, |
| 2629 CallRuntime(Runtime::FunctionForId(fid), num_arguments); | 2630 int num_arguments, |
| 2631 SaveFPRegsMode save_doubles) { |
| 2632 CallRuntime(Runtime::FunctionForId(fid), num_arguments, save_doubles); |
| 2630 } | 2633 } |
| 2631 | 2634 |
| 2632 | 2635 |
| 2633 void MacroAssembler::CallRuntimeSaveDoubles(Runtime::FunctionId id) { | 2636 void MacroAssembler::CallRuntimeSaveDoubles(Runtime::FunctionId id) { |
| 2634 const Runtime::Function* function = Runtime::FunctionForId(id); | 2637 const Runtime::Function* function = Runtime::FunctionForId(id); |
| 2635 mov(r0, Operand(function->nargs)); | 2638 mov(r0, Operand(function->nargs)); |
| 2636 mov(r1, Operand(ExternalReference(function, isolate()))); | 2639 mov(r1, Operand(ExternalReference(function, isolate()))); |
| 2637 CEntryStub stub(1, kSaveFPRegs); | 2640 CEntryStub stub(1, kSaveFPRegs); |
| 2638 CallStub(&stub); | 2641 CallStub(&stub); |
| 2639 } | 2642 } |
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| 3884 void CodePatcher::EmitCondition(Condition cond) { | 3887 void CodePatcher::EmitCondition(Condition cond) { |
| 3885 Instr instr = Assembler::instr_at(masm_.pc_); | 3888 Instr instr = Assembler::instr_at(masm_.pc_); |
| 3886 instr = (instr & ~kCondMask) | cond; | 3889 instr = (instr & ~kCondMask) | cond; |
| 3887 masm_.emit(instr); | 3890 masm_.emit(instr); |
| 3888 } | 3891 } |
| 3889 | 3892 |
| 3890 | 3893 |
| 3891 } } // namespace v8::internal | 3894 } } // namespace v8::internal |
| 3892 | 3895 |
| 3893 #endif // V8_TARGET_ARCH_ARM | 3896 #endif // V8_TARGET_ARCH_ARM |
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