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Issue 10825472: Revert r12258, r12300 and r12302 (global regexp). (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: add empty line Created 8 years, 4 months ago
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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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4811 // regexp_data: RegExp data (FixedArray) 4811 // regexp_data: RegExp data (FixedArray)
4812 // Check that the number of captures fit in the static offsets vector buffer. 4812 // Check that the number of captures fit in the static offsets vector buffer.
4813 __ ldr(r2, 4813 __ ldr(r2,
4814 FieldMemOperand(regexp_data, JSRegExp::kIrregexpCaptureCountOffset)); 4814 FieldMemOperand(regexp_data, JSRegExp::kIrregexpCaptureCountOffset));
4815 // Calculate number of capture registers (number_of_captures + 1) * 2. This 4815 // Calculate number of capture registers (number_of_captures + 1) * 2. This
4816 // uses the asumption that smis are 2 * their untagged value. 4816 // uses the asumption that smis are 2 * their untagged value.
4817 STATIC_ASSERT(kSmiTag == 0); 4817 STATIC_ASSERT(kSmiTag == 0);
4818 STATIC_ASSERT(kSmiTagSize + kSmiShiftSize == 1); 4818 STATIC_ASSERT(kSmiTagSize + kSmiShiftSize == 1);
4819 __ add(r2, r2, Operand(2)); // r2 was a smi. 4819 __ add(r2, r2, Operand(2)); // r2 was a smi.
4820 // Check that the static offsets vector buffer is large enough. 4820 // Check that the static offsets vector buffer is large enough.
4821 __ cmp(r2, Operand(Isolate::kJSRegexpStaticOffsetsVectorSize)); 4821 __ cmp(r2, Operand(OffsetsVector::kStaticOffsetsVectorSize));
4822 __ b(hi, &runtime); 4822 __ b(hi, &runtime);
4823 4823
4824 // r2: Number of capture registers 4824 // r2: Number of capture registers
4825 // regexp_data: RegExp data (FixedArray) 4825 // regexp_data: RegExp data (FixedArray)
4826 // Check that the second argument is a string. 4826 // Check that the second argument is a string.
4827 __ ldr(subject, MemOperand(sp, kSubjectOffset)); 4827 __ ldr(subject, MemOperand(sp, kSubjectOffset));
4828 __ JumpIfSmi(subject, &runtime); 4828 __ JumpIfSmi(subject, &runtime);
4829 Condition is_string = masm->IsObjectStringType(subject, r0); 4829 Condition is_string = masm->IsObjectStringType(subject, r0);
4830 __ b(NegateCondition(is_string), &runtime); 4830 __ b(NegateCondition(is_string), &runtime);
4831 // Get the length of the string to r3. 4831 // Get the length of the string to r3.
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7613 7613
7614 __ Pop(lr, r5, r1); 7614 __ Pop(lr, r5, r1);
7615 __ Ret(); 7615 __ Ret();
7616 } 7616 }
7617 7617
7618 #undef __ 7618 #undef __
7619 7619
7620 } } // namespace v8::internal 7620 } } // namespace v8::internal
7621 7621
7622 #endif // V8_TARGET_ARCH_ARM 7622 #endif // V8_TARGET_ARCH_ARM
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