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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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1347 break; | 1347 break; |
1348 case TRBinaryOpIC::SMI: | 1348 case TRBinaryOpIC::SMI: |
1349 GenerateSmiStub(masm); | 1349 GenerateSmiStub(masm); |
1350 break; | 1350 break; |
1351 case TRBinaryOpIC::INT32: | 1351 case TRBinaryOpIC::INT32: |
1352 GenerateInt32Stub(masm); | 1352 GenerateInt32Stub(masm); |
1353 break; | 1353 break; |
1354 case TRBinaryOpIC::HEAP_NUMBER: | 1354 case TRBinaryOpIC::HEAP_NUMBER: |
1355 GenerateHeapNumberStub(masm); | 1355 GenerateHeapNumberStub(masm); |
1356 break; | 1356 break; |
1357 case TRBinaryOpIC::ODDBALL: | |
1358 GenerateOddballStub(masm); | |
1359 break; | |
1357 case TRBinaryOpIC::STRING: | 1360 case TRBinaryOpIC::STRING: |
1358 GenerateStringStub(masm); | 1361 GenerateStringStub(masm); |
1359 break; | 1362 break; |
1360 case TRBinaryOpIC::GENERIC: | 1363 case TRBinaryOpIC::GENERIC: |
1361 GenerateGeneric(masm); | 1364 GenerateGeneric(masm); |
1362 break; | 1365 break; |
1363 default: | 1366 default: |
1364 UNREACHABLE(); | 1367 UNREACHABLE(); |
1365 } | 1368 } |
1366 } | 1369 } |
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2012 break; | 2015 break; |
2013 case Token::SHR: | 2016 case Token::SHR: |
2014 __ InvokeBuiltin(Builtins::SHR, JUMP_FUNCTION); | 2017 __ InvokeBuiltin(Builtins::SHR, JUMP_FUNCTION); |
2015 break; | 2018 break; |
2016 default: | 2019 default: |
2017 UNREACHABLE(); | 2020 UNREACHABLE(); |
2018 } | 2021 } |
2019 } | 2022 } |
2020 | 2023 |
2021 | 2024 |
2025 void TypeRecordingBinaryOpStub::GenerateOddballStub(MacroAssembler* masm) { | |
2026 Label call_runtime; | |
2027 | |
2028 if (op_ == Token::ADD) { | |
2029 GenerateAddStrings(masm); | |
Erik Corry
2011/03/25 14:21:18
Please add comment that we need this because add i
fschneider
2011/03/28 08:00:54
Done.
| |
2030 } | |
2031 | |
2032 // Convert odd ball arguments to numbers. | |
2033 NearLabel check, done; | |
2034 __ cmp(edx, FACTORY->undefined_value()); | |
2035 __ j(not_equal, &check); | |
2036 if (Token::IsBitOp(op_)) { | |
2037 __ xor_(edx, Operand(edx)); | |
2038 } else { | |
2039 __ mov(edx, Immediate(FACTORY->nan_value())); | |
2040 } | |
2041 __ jmp(&done); | |
2042 __ bind(&check); | |
2043 __ cmp(eax, FACTORY->undefined_value()); | |
2044 __ j(not_equal, &done); | |
2045 if (Token::IsBitOp(op_)) { | |
2046 __ xor_(eax, Operand(eax)); | |
2047 } else { | |
2048 __ mov(eax, Immediate(FACTORY->nan_value())); | |
2049 } | |
2050 __ bind(&done); | |
2051 | |
2052 GenerateHeapNumberStub(masm); | |
2053 } | |
2054 | |
2055 | |
2022 void TypeRecordingBinaryOpStub::GenerateHeapNumberStub(MacroAssembler* masm) { | 2056 void TypeRecordingBinaryOpStub::GenerateHeapNumberStub(MacroAssembler* masm) { |
2023 Label call_runtime; | 2057 Label call_runtime; |
2024 ASSERT(operands_type_ == TRBinaryOpIC::HEAP_NUMBER); | |
2025 | 2058 |
2026 // Floating point case. | 2059 // Floating point case. |
2027 switch (op_) { | 2060 switch (op_) { |
2028 case Token::ADD: | 2061 case Token::ADD: |
2029 case Token::SUB: | 2062 case Token::SUB: |
2030 case Token::MUL: | 2063 case Token::MUL: |
2031 case Token::DIV: { | 2064 case Token::DIV: { |
2032 Label not_floats; | 2065 Label not_floats; |
2033 if (masm->isolate()->cpu_features()->IsSupported(SSE2)) { | 2066 if (masm->isolate()->cpu_features()->IsSupported(SSE2)) { |
2034 CpuFeatures::Scope use_sse2(SSE2); | 2067 CpuFeatures::Scope use_sse2(SSE2); |
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6489 // Do a tail call to the rewritten stub. | 6522 // Do a tail call to the rewritten stub. |
6490 __ jmp(Operand(edi)); | 6523 __ jmp(Operand(edi)); |
6491 } | 6524 } |
6492 | 6525 |
6493 | 6526 |
6494 #undef __ | 6527 #undef __ |
6495 | 6528 |
6496 } } // namespace v8::internal | 6529 } } // namespace v8::internal |
6497 | 6530 |
6498 #endif // V8_TARGET_ARCH_IA32 | 6531 #endif // V8_TARGET_ARCH_IA32 |
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