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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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3392 } | 3392 } |
3393 | 3393 |
3394 | 3394 |
3395 void MacroAssembler::JumpIfBothInstanceTypesAreNotSequentialAscii( | 3395 void MacroAssembler::JumpIfBothInstanceTypesAreNotSequentialAscii( |
3396 Register first, | 3396 Register first, |
3397 Register second, | 3397 Register second, |
3398 Register scratch1, | 3398 Register scratch1, |
3399 Register scratch2, | 3399 Register scratch2, |
3400 Label* failure) { | 3400 Label* failure) { |
3401 int kFlatAsciiStringMask = | 3401 int kFlatAsciiStringMask = |
3402 kIsNotStringMask | kStringEncodingMask | kAsciiDataHintMask | | 3402 kIsNotStringMask | kStringEncodingMask | kStringRepresentationMask; |
3403 kStringRepresentationMask; | |
3404 int kFlatAsciiStringTag = ASCII_STRING_TYPE; | 3403 int kFlatAsciiStringTag = ASCII_STRING_TYPE; |
3405 ASSERT_EQ(ASCII_STRING_TYPE, ASCII_STRING_TYPE & kFlatAsciiStringMask); | |
3406 and_(scratch1, first, Operand(kFlatAsciiStringMask)); | 3404 and_(scratch1, first, Operand(kFlatAsciiStringMask)); |
3407 and_(scratch2, second, Operand(kFlatAsciiStringMask)); | 3405 and_(scratch2, second, Operand(kFlatAsciiStringMask)); |
3408 cmp(scratch1, Operand(kFlatAsciiStringTag)); | 3406 cmp(scratch1, Operand(kFlatAsciiStringTag)); |
3409 // Ignore second test if first test failed. | 3407 // Ignore second test if first test failed. |
3410 cmp(scratch2, Operand(kFlatAsciiStringTag), eq); | 3408 cmp(scratch2, Operand(kFlatAsciiStringTag), eq); |
3411 b(ne, failure); | 3409 b(ne, failure); |
3412 } | 3410 } |
3413 | 3411 |
3414 | 3412 |
3415 void MacroAssembler::JumpIfInstanceTypeIsNotSequentialAscii(Register type, | 3413 void MacroAssembler::JumpIfInstanceTypeIsNotSequentialAscii(Register type, |
3416 Register scratch, | 3414 Register scratch, |
3417 Label* failure) { | 3415 Label* failure) { |
3418 int kFlatAsciiStringMask = | 3416 int kFlatAsciiStringMask = |
3419 kIsNotStringMask | kStringEncodingMask | kAsciiDataHintMask | | 3417 kIsNotStringMask | kStringEncodingMask | kStringRepresentationMask; |
3420 kStringRepresentationMask; | |
3421 int kFlatAsciiStringTag = ASCII_STRING_TYPE; | 3418 int kFlatAsciiStringTag = ASCII_STRING_TYPE; |
3422 ASSERT_EQ(ASCII_STRING_TYPE, ASCII_STRING_TYPE & kFlatAsciiStringMask); | |
3423 and_(scratch, type, Operand(kFlatAsciiStringMask)); | 3419 and_(scratch, type, Operand(kFlatAsciiStringMask)); |
3424 cmp(scratch, Operand(kFlatAsciiStringTag)); | 3420 cmp(scratch, Operand(kFlatAsciiStringTag)); |
3425 b(ne, failure); | 3421 b(ne, failure); |
3426 } | 3422 } |
3427 | 3423 |
3428 static const int kRegisterPassedArguments = 4; | 3424 static const int kRegisterPassedArguments = 4; |
3429 | 3425 |
3430 | 3426 |
3431 int MacroAssembler::CalculateStackPassedWords(int num_reg_arguments, | 3427 int MacroAssembler::CalculateStackPassedWords(int num_reg_arguments, |
3432 int num_double_arguments) { | 3428 int num_double_arguments) { |
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3965 void CodePatcher::EmitCondition(Condition cond) { | 3961 void CodePatcher::EmitCondition(Condition cond) { |
3966 Instr instr = Assembler::instr_at(masm_.pc_); | 3962 Instr instr = Assembler::instr_at(masm_.pc_); |
3967 instr = (instr & ~kCondMask) | cond; | 3963 instr = (instr & ~kCondMask) | cond; |
3968 masm_.emit(instr); | 3964 masm_.emit(instr); |
3969 } | 3965 } |
3970 | 3966 |
3971 | 3967 |
3972 } } // namespace v8::internal | 3968 } } // namespace v8::internal |
3973 | 3969 |
3974 #endif // V8_TARGET_ARCH_ARM | 3970 #endif // V8_TARGET_ARCH_ARM |
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