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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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45 // o r1: the JS function object being called (ie, ourselves) | 45 // o r1: the JS function object being called (ie, ourselves) |
46 // o cp: our context | 46 // o cp: our context |
47 // o fp: our caller's frame pointer | 47 // o fp: our caller's frame pointer |
48 // o sp: stack pointer | 48 // o sp: stack pointer |
49 // o lr: return address | 49 // o lr: return address |
50 // | 50 // |
51 // The function builds a JS frame. Please see JavaScriptFrameConstants in | 51 // The function builds a JS frame. Please see JavaScriptFrameConstants in |
52 // frames-arm.h for its layout. | 52 // frames-arm.h for its layout. |
53 void FastCodeGenerator::Generate(FunctionLiteral* fun) { | 53 void FastCodeGenerator::Generate(FunctionLiteral* fun) { |
54 function_ = fun; | 54 function_ = fun; |
55 // ARM does NOT call SetFunctionPosition. | 55 SetFunctionPosition(fun); |
56 | 56 |
57 __ stm(db_w, sp, r1.bit() | cp.bit() | fp.bit() | lr.bit()); | 57 __ stm(db_w, sp, r1.bit() | cp.bit() | fp.bit() | lr.bit()); |
58 // Adjust fp to point to caller's fp. | 58 // Adjust fp to point to caller's fp. |
59 __ add(fp, sp, Operand(2 * kPointerSize)); | 59 __ add(fp, sp, Operand(2 * kPointerSize)); |
60 | 60 |
61 { Comment cmnt(masm_, "[ Allocate locals"); | 61 { Comment cmnt(masm_, "[ Allocate locals"); |
62 int locals_count = fun->scope()->num_stack_slots(); | 62 int locals_count = fun->scope()->num_stack_slots(); |
63 if (locals_count > 0) { | 63 if (locals_count > 0) { |
64 __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); | 64 __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); |
65 } | 65 } |
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1277 true_label_ = saved_true; | 1277 true_label_ = saved_true; |
1278 false_label_ = saved_false; | 1278 false_label_ = saved_false; |
1279 // Convert current context to test context: End post-test code. | 1279 // Convert current context to test context: End post-test code. |
1280 } | 1280 } |
1281 | 1281 |
1282 | 1282 |
1283 #undef __ | 1283 #undef __ |
1284 | 1284 |
1285 | 1285 |
1286 } } // namespace v8::internal | 1286 } } // namespace v8::internal |
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