| OLD | NEW |
| 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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 9635 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 9646 // Find minimum length. If either length is zero just compare lengths. | 9646 // Find minimum length. If either length is zero just compare lengths. |
| 9647 __ mov(counter, FieldOperand(left, String::kLengthOffset)); | 9647 __ mov(counter, FieldOperand(left, String::kLengthOffset)); |
| 9648 __ test(counter, Operand(counter)); | 9648 __ test(counter, Operand(counter)); |
| 9649 __ j(zero, &compare_lengths_1); | 9649 __ j(zero, &compare_lengths_1); |
| 9650 __ mov(scratch1, FieldOperand(right, String::kLengthOffset)); | 9650 __ mov(scratch1, FieldOperand(right, String::kLengthOffset)); |
| 9651 __ test(scratch1, Operand(scratch1)); | 9651 __ test(scratch1, Operand(scratch1)); |
| 9652 __ j(zero, &compare_lengths_1); | 9652 __ j(zero, &compare_lengths_1); |
| 9653 __ cmp(counter, Operand(scratch1)); | 9653 __ cmp(counter, Operand(scratch1)); |
| 9654 if (CpuFeatures::IsSupported(CMOV)) { | 9654 if (CpuFeatures::IsSupported(CMOV)) { |
| 9655 CpuFeatures::Scope use_cmov(CMOV); | 9655 CpuFeatures::Scope use_cmov(CMOV); |
| 9656 __ cmov(less, counter, Operand(scratch1)); | 9656 __ cmov(greater, counter, Operand(scratch1)); |
| 9657 } else { | 9657 } else { |
| 9658 Label l; | 9658 Label l; |
| 9659 __ j(less, &l); | 9659 __ j(less, &l); |
| 9660 __ mov(counter, scratch1); | 9660 __ mov(counter, scratch1); |
| 9661 __ bind(&l); | 9661 __ bind(&l); |
| 9662 } | 9662 } |
| 9663 | 9663 |
| 9664 Label result_greater, result_less; | 9664 Label result_greater, result_less; |
| 9665 Label loop; | 9665 Label loop; |
| 9666 // Compare next character. | 9666 // Compare next character. |
| (...skipping 100 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 9767 | 9767 |
| 9768 // Call the runtime; it returns -1 (less), 0 (equal), or 1 (greater) | 9768 // Call the runtime; it returns -1 (less), 0 (equal), or 1 (greater) |
| 9769 // tagged as a small integer. | 9769 // tagged as a small integer. |
| 9770 __ bind(&runtime); | 9770 __ bind(&runtime); |
| 9771 __ TailCallRuntime(ExternalReference(Runtime::kStringCompare), 2, 1); | 9771 __ TailCallRuntime(ExternalReference(Runtime::kStringCompare), 2, 1); |
| 9772 } | 9772 } |
| 9773 | 9773 |
| 9774 #undef __ | 9774 #undef __ |
| 9775 | 9775 |
| 9776 } } // namespace v8::internal | 9776 } } // namespace v8::internal |
| OLD | NEW |