| OLD | NEW |
| 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 3202 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 3213 lw(tmp, FieldMemOperand(src, i * kPointerSize)); | 3213 lw(tmp, FieldMemOperand(src, i * kPointerSize)); |
| 3214 sw(tmp, FieldMemOperand(dst, i * kPointerSize)); | 3214 sw(tmp, FieldMemOperand(dst, i * kPointerSize)); |
| 3215 } | 3215 } |
| 3216 } | 3216 } |
| 3217 | 3217 |
| 3218 | 3218 |
| 3219 void MacroAssembler::CopyBytes(Register src, | 3219 void MacroAssembler::CopyBytes(Register src, |
| 3220 Register dst, | 3220 Register dst, |
| 3221 Register length, | 3221 Register length, |
| 3222 Register scratch) { | 3222 Register scratch) { |
| 3223 Label align_loop, align_loop_1, word_loop, byte_loop, byte_loop_1, done; | 3223 Label align_loop_1, word_loop, byte_loop, byte_loop_1, done; |
| 3224 | 3224 |
| 3225 // Align src before copying in word size chunks. | 3225 // Align src before copying in word size chunks. |
| 3226 bind(&align_loop); | 3226 Branch(&byte_loop, le, length, Operand(kPointerSize)); |
| 3227 Branch(&done, eq, length, Operand(zero_reg)); | |
| 3228 bind(&align_loop_1); | 3227 bind(&align_loop_1); |
| 3229 And(scratch, src, kPointerSize - 1); | 3228 And(scratch, src, kPointerSize - 1); |
| 3230 Branch(&word_loop, eq, scratch, Operand(zero_reg)); | 3229 Branch(&word_loop, eq, scratch, Operand(zero_reg)); |
| 3231 lbu(scratch, MemOperand(src)); | 3230 lbu(scratch, MemOperand(src)); |
| 3232 Addu(src, src, 1); | 3231 Addu(src, src, 1); |
| 3233 sb(scratch, MemOperand(dst)); | 3232 sb(scratch, MemOperand(dst)); |
| 3234 Addu(dst, dst, 1); | 3233 Addu(dst, dst, 1); |
| 3235 Subu(length, length, Operand(1)); | 3234 Subu(length, length, Operand(1)); |
| 3236 Branch(&byte_loop_1, ne, length, Operand(zero_reg)); | 3235 Branch(&align_loop_1, ne, length, Operand(zero_reg)); |
| 3237 | 3236 |
| 3238 // Copy bytes in word size chunks. | 3237 // Copy bytes in word size chunks. |
| 3239 bind(&word_loop); | 3238 bind(&word_loop); |
| 3240 if (emit_debug_code()) { | 3239 if (emit_debug_code()) { |
| 3241 And(scratch, src, kPointerSize - 1); | 3240 And(scratch, src, kPointerSize - 1); |
| 3242 Assert(eq, kExpectingAlignmentForCopyBytes, | 3241 Assert(eq, kExpectingAlignmentForCopyBytes, |
| 3243 scratch, Operand(zero_reg)); | 3242 scratch, Operand(zero_reg)); |
| 3244 } | 3243 } |
| 3245 Branch(&byte_loop, lt, length, Operand(kPointerSize)); | 3244 Branch(&byte_loop, lt, length, Operand(kPointerSize)); |
| 3246 lw(scratch, MemOperand(src)); | 3245 lw(scratch, MemOperand(src)); |
| (...skipping 2349 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 5596 ExternalReference new_space_allocation_top = | 5595 ExternalReference new_space_allocation_top = |
| 5597 ExternalReference::new_space_allocation_top_address(isolate()); | 5596 ExternalReference::new_space_allocation_top_address(isolate()); |
| 5598 Addu(scratch_reg, receiver_reg, | 5597 Addu(scratch_reg, receiver_reg, |
| 5599 Operand(JSArray::kSize + AllocationMemento::kSize - kHeapObjectTag)); | 5598 Operand(JSArray::kSize + AllocationMemento::kSize - kHeapObjectTag)); |
| 5600 Branch(&no_memento_available, lt, scratch_reg, Operand(new_space_start)); | 5599 Branch(&no_memento_available, lt, scratch_reg, Operand(new_space_start)); |
| 5601 li(at, Operand(new_space_allocation_top)); | 5600 li(at, Operand(new_space_allocation_top)); |
| 5602 lw(at, MemOperand(at)); | 5601 lw(at, MemOperand(at)); |
| 5603 Branch(&no_memento_available, gt, scratch_reg, Operand(at)); | 5602 Branch(&no_memento_available, gt, scratch_reg, Operand(at)); |
| 5604 lw(scratch_reg, MemOperand(scratch_reg, -AllocationMemento::kSize)); | 5603 lw(scratch_reg, MemOperand(scratch_reg, -AllocationMemento::kSize)); |
| 5605 Branch(allocation_memento_present, cond, scratch_reg, | 5604 Branch(allocation_memento_present, cond, scratch_reg, |
| 5606 Operand(Handle<Map>(isolate()->heap()->allocation_memento_map()))); | 5605 Operand(isolate()->factory()->allocation_memento_map())); |
| 5607 bind(&no_memento_available); | 5606 bind(&no_memento_available); |
| 5608 } | 5607 } |
| 5609 | 5608 |
| 5610 | 5609 |
| 5611 Register GetRegisterThatIsNotOneOf(Register reg1, | 5610 Register GetRegisterThatIsNotOneOf(Register reg1, |
| 5612 Register reg2, | 5611 Register reg2, |
| 5613 Register reg3, | 5612 Register reg3, |
| 5614 Register reg4, | 5613 Register reg4, |
| 5615 Register reg5, | 5614 Register reg5, |
| 5616 Register reg6) { | 5615 Register reg6) { |
| (...skipping 75 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 5692 opcode == BGTZL); | 5691 opcode == BGTZL); |
| 5693 opcode = (cond == eq) ? BEQ : BNE; | 5692 opcode = (cond == eq) ? BEQ : BNE; |
| 5694 instr = (instr & ~kOpcodeMask) | opcode; | 5693 instr = (instr & ~kOpcodeMask) | opcode; |
| 5695 masm_.emit(instr); | 5694 masm_.emit(instr); |
| 5696 } | 5695 } |
| 5697 | 5696 |
| 5698 | 5697 |
| 5699 } } // namespace v8::internal | 5698 } } // namespace v8::internal |
| 5700 | 5699 |
| 5701 #endif // V8_TARGET_ARCH_MIPS | 5700 #endif // V8_TARGET_ARCH_MIPS |
| OLD | NEW |