OLD | NEW |
1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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 4464 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
4475 } | 4475 } |
4476 case Token::BIT_OR: | 4476 case Token::BIT_OR: |
4477 case Token::BIT_AND: | 4477 case Token::BIT_AND: |
4478 case Token::BIT_XOR: | 4478 case Token::BIT_XOR: |
4479 case Token::SAR: | 4479 case Token::SAR: |
4480 case Token::SHL: | 4480 case Token::SHL: |
4481 case Token::SHR: { | 4481 case Token::SHR: { |
4482 FloatingPointHelper::CheckFloatOperands(masm, &call_runtime, ebx); | 4482 FloatingPointHelper::CheckFloatOperands(masm, &call_runtime, ebx); |
4483 FloatingPointHelper::LoadFloatOperands(masm, ecx); | 4483 FloatingPointHelper::LoadFloatOperands(masm, ecx); |
4484 | 4484 |
4485 Label non_smi_result, skip_allocation, operands_failed_conversion; | 4485 Label non_int32_operands, non_smi_result, skip_allocation; |
| 4486 // Reserve space for converted numbers. |
| 4487 __ sub(Operand(esp), Immediate(2 * kPointerSize)); |
4486 | 4488 |
4487 // Reserve space for converted numbers. | 4489 // Check if right operand is int32. |
4488 __ sub(Operand(esp), Immediate(4 * kPointerSize)); | 4490 __ fist_s(Operand(esp, 1 * kPointerSize)); |
| 4491 __ fild_s(Operand(esp, 1 * kPointerSize)); |
| 4492 __ fucompp(); |
| 4493 __ fnstsw_ax(); |
| 4494 __ sahf(); |
| 4495 __ j(not_zero, &non_int32_operands); |
| 4496 __ j(parity_even, &non_int32_operands); |
4489 | 4497 |
4490 // Convert right operand to int32. | 4498 // Check if left operand is int32. |
4491 __ fnclex(); | 4499 __ fist_s(Operand(esp, 0 * kPointerSize)); |
4492 __ fisttp_d(Operand(esp, 2 * kPointerSize)); | 4500 __ fild_s(Operand(esp, 0 * kPointerSize)); |
| 4501 __ fucompp(); |
4493 __ fnstsw_ax(); | 4502 __ fnstsw_ax(); |
4494 __ test(eax, Immediate(1)); | 4503 __ sahf(); |
4495 __ j(not_zero, &operands_failed_conversion); | 4504 __ j(not_zero, &non_int32_operands); |
4496 | 4505 __ j(parity_even, &non_int32_operands); |
4497 // Convert left operand to int32. | |
4498 __ fisttp_d(Operand(esp, 0 * kPointerSize)); | |
4499 __ fnstsw_ax(); | |
4500 __ test(eax, Immediate(1)); | |
4501 __ j(not_zero, &operands_failed_conversion); | |
4502 | 4506 |
4503 // Get int32 operands and perform bitop. | 4507 // Get int32 operands and perform bitop. |
4504 __ pop(eax); | 4508 __ pop(eax); |
4505 __ add(Operand(esp), Immediate(kPointerSize)); | |
4506 __ pop(ecx); | 4509 __ pop(ecx); |
4507 __ add(Operand(esp), Immediate(kPointerSize)); | |
4508 switch (op_) { | 4510 switch (op_) { |
4509 case Token::BIT_OR: __ or_(eax, Operand(ecx)); break; | 4511 case Token::BIT_OR: __ or_(eax, Operand(ecx)); break; |
4510 case Token::BIT_AND: __ and_(eax, Operand(ecx)); break; | 4512 case Token::BIT_AND: __ and_(eax, Operand(ecx)); break; |
4511 case Token::BIT_XOR: __ xor_(eax, Operand(ecx)); break; | 4513 case Token::BIT_XOR: __ xor_(eax, Operand(ecx)); break; |
4512 case Token::SAR: __ sar(eax); break; | 4514 case Token::SAR: __ sar(eax); break; |
4513 case Token::SHL: __ shl(eax); break; | 4515 case Token::SHL: __ shl(eax); break; |
4514 case Token::SHR: __ shr(eax); break; | 4516 case Token::SHR: __ shr(eax); break; |
4515 default: UNREACHABLE(); | 4517 default: UNREACHABLE(); |
4516 } | 4518 } |
4517 | 4519 |
(...skipping 27 matching lines...) Expand all Loading... |
4545 __ bind(&skip_allocation); | 4547 __ bind(&skip_allocation); |
4546 break; | 4548 break; |
4547 default: UNREACHABLE(); | 4549 default: UNREACHABLE(); |
4548 } | 4550 } |
4549 // Store the result in the HeapNumber and return. | 4551 // Store the result in the HeapNumber and return. |
4550 __ mov(Operand(esp, 1 * kPointerSize), ebx); | 4552 __ mov(Operand(esp, 1 * kPointerSize), ebx); |
4551 __ fild_s(Operand(esp, 1 * kPointerSize)); | 4553 __ fild_s(Operand(esp, 1 * kPointerSize)); |
4552 __ fstp_d(FieldOperand(eax, HeapNumber::kValueOffset)); | 4554 __ fstp_d(FieldOperand(eax, HeapNumber::kValueOffset)); |
4553 __ ret(2 * kPointerSize); | 4555 __ ret(2 * kPointerSize); |
4554 } | 4556 } |
4555 | 4557 __ bind(&non_int32_operands); |
4556 // Free ST(0) before calling runtime. | 4558 // Restore stacks and operands before calling runtime. |
4557 __ bind(&operands_failed_conversion); | |
4558 __ add(Operand(esp), Immediate(4 * kPointerSize)); | |
4559 __ ffree(0); | 4559 __ ffree(0); |
| 4560 __ add(Operand(esp), Immediate(2 * kPointerSize)); |
4560 | 4561 |
4561 // SHR should return uint32 - go to runtime for non-smi/negative result. | 4562 // SHR should return uint32 - go to runtime for non-smi/negative result. |
4562 if (op_ == Token::SHR) __ bind(&non_smi_result); | 4563 if (op_ == Token::SHR) __ bind(&non_smi_result); |
4563 __ mov(eax, Operand(esp, 1 * kPointerSize)); | 4564 __ mov(eax, Operand(esp, 1 * kPointerSize)); |
4564 __ mov(edx, Operand(esp, 2 * kPointerSize)); | 4565 __ mov(edx, Operand(esp, 2 * kPointerSize)); |
4565 break; | 4566 break; |
4566 } | 4567 } |
4567 default: UNREACHABLE(); break; | 4568 default: UNREACHABLE(); break; |
4568 } | 4569 } |
4569 | 4570 |
(...skipping 851 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
5421 | 5422 |
5422 // Slow-case: Go through the JavaScript implementation. | 5423 // Slow-case: Go through the JavaScript implementation. |
5423 __ bind(&slow); | 5424 __ bind(&slow); |
5424 __ InvokeBuiltin(Builtins::INSTANCE_OF, JUMP_FUNCTION); | 5425 __ InvokeBuiltin(Builtins::INSTANCE_OF, JUMP_FUNCTION); |
5425 } | 5426 } |
5426 | 5427 |
5427 | 5428 |
5428 #undef __ | 5429 #undef __ |
5429 | 5430 |
5430 } } // namespace v8::internal | 5431 } } // namespace v8::internal |
OLD | NEW |