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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 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 |
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3372 frame_->Spill(obj.reg()); | 3372 frame_->Spill(obj.reg()); |
3373 | 3373 |
3374 // If the object is a smi, we return null. | 3374 // If the object is a smi, we return null. |
3375 __ testl(obj.reg(), Immediate(kSmiTagMask)); | 3375 __ testl(obj.reg(), Immediate(kSmiTagMask)); |
3376 null.Branch(zero); | 3376 null.Branch(zero); |
3377 | 3377 |
3378 // Check that the object is a JS object but take special care of JS | 3378 // Check that the object is a JS object but take special care of JS |
3379 // functions to make sure they have 'Function' as their class. | 3379 // functions to make sure they have 'Function' as their class. |
3380 | 3380 |
3381 __ CmpObjectType(obj.reg(), FIRST_JS_OBJECT_TYPE, obj.reg()); | 3381 __ CmpObjectType(obj.reg(), FIRST_JS_OBJECT_TYPE, obj.reg()); |
3382 null.Branch(less); | 3382 null.Branch(below); |
3383 | 3383 |
3384 // As long as JS_FUNCTION_TYPE is the last instance type and it is | 3384 // As long as JS_FUNCTION_TYPE is the last instance type and it is |
3385 // right after LAST_JS_OBJECT_TYPE, we can avoid checking for | 3385 // right after LAST_JS_OBJECT_TYPE, we can avoid checking for |
3386 // LAST_JS_OBJECT_TYPE. | 3386 // LAST_JS_OBJECT_TYPE. |
3387 ASSERT(LAST_TYPE == JS_FUNCTION_TYPE); | 3387 ASSERT(LAST_TYPE == JS_FUNCTION_TYPE); |
3388 ASSERT(JS_FUNCTION_TYPE == LAST_JS_OBJECT_TYPE + 1); | 3388 ASSERT(JS_FUNCTION_TYPE == LAST_JS_OBJECT_TYPE + 1); |
3389 __ CmpInstanceType(obj.reg(), JS_FUNCTION_TYPE); | 3389 __ CmpInstanceType(obj.reg(), JS_FUNCTION_TYPE); |
3390 function.Branch(equal); | 3390 function.Branch(equal); |
3391 | 3391 |
3392 // Check if the constructor in the map is a function. | 3392 // Check if the constructor in the map is a function. |
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6942 int CompareStub::MinorKey() { | 6942 int CompareStub::MinorKey() { |
6943 // Encode the two parameters in a unique 16 bit value. | 6943 // Encode the two parameters in a unique 16 bit value. |
6944 ASSERT(static_cast<unsigned>(cc_) < (1 << 15)); | 6944 ASSERT(static_cast<unsigned>(cc_) < (1 << 15)); |
6945 return (static_cast<unsigned>(cc_) << 1) | (strict_ ? 1 : 0); | 6945 return (static_cast<unsigned>(cc_) << 1) | (strict_ ? 1 : 0); |
6946 } | 6946 } |
6947 | 6947 |
6948 | 6948 |
6949 #undef __ | 6949 #undef __ |
6950 | 6950 |
6951 } } // namespace v8::internal | 6951 } } // namespace v8::internal |
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