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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #if V8_TARGET_ARCH_ARM | 5 #if V8_TARGET_ARCH_ARM |
6 | 6 |
7 #include "src/codegen.h" | 7 #include "src/codegen.h" |
8 #include "src/debug/debug.h" | 8 #include "src/debug/debug.h" |
9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
10 #include "src/full-codegen/full-codegen.h" | 10 #include "src/full-codegen/full-codegen.h" |
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578 Label use_receiver, exit; | 578 Label use_receiver, exit; |
579 | 579 |
580 // If the result is a smi, it is *not* an object in the ECMA sense. | 580 // If the result is a smi, it is *not* an object in the ECMA sense. |
581 // r0: result | 581 // r0: result |
582 // sp[0]: receiver | 582 // sp[0]: receiver |
583 // sp[1]: new.target | 583 // sp[1]: new.target |
584 // sp[2]: number of arguments (smi-tagged) | 584 // sp[2]: number of arguments (smi-tagged) |
585 __ JumpIfSmi(r0, &use_receiver); | 585 __ JumpIfSmi(r0, &use_receiver); |
586 | 586 |
587 // If the type of the result (stored in its map) is less than | 587 // If the type of the result (stored in its map) is less than |
588 // FIRST_SPEC_OBJECT_TYPE, it is not an object in the ECMA sense. | 588 // FIRST_JS_RECEIVER_TYPE, it is not an object in the ECMA sense. |
589 __ CompareObjectType(r0, r1, r3, FIRST_SPEC_OBJECT_TYPE); | 589 __ CompareObjectType(r0, r1, r3, FIRST_JS_RECEIVER_TYPE); |
590 __ b(ge, &exit); | 590 __ b(ge, &exit); |
591 | 591 |
592 // Throw away the result of the constructor invocation and use the | 592 // Throw away the result of the constructor invocation and use the |
593 // on-stack receiver as the result. | 593 // on-stack receiver as the result. |
594 __ bind(&use_receiver); | 594 __ bind(&use_receiver); |
595 __ ldr(r0, MemOperand(sp)); | 595 __ ldr(r0, MemOperand(sp)); |
596 | 596 |
597 // Remove receiver from the stack, remove caller arguments, and | 597 // Remove receiver from the stack, remove caller arguments, and |
598 // return. | 598 // return. |
599 __ bind(&exit); | 599 __ bind(&exit); |
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1958 } | 1958 } |
1959 } | 1959 } |
1960 | 1960 |
1961 | 1961 |
1962 #undef __ | 1962 #undef __ |
1963 | 1963 |
1964 } // namespace internal | 1964 } // namespace internal |
1965 } // namespace v8 | 1965 } // namespace v8 |
1966 | 1966 |
1967 #endif // V8_TARGET_ARCH_ARM | 1967 #endif // V8_TARGET_ARCH_ARM |
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