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Issue 12207063: Fix DoubleStackSlot-to-DoubleStackSlot moves on ia32. Unify platform-independent code. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 10 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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250 case FAST_HOLEY_ELEMENTS: 250 case FAST_HOLEY_ELEMENTS:
251 case DICTIONARY_ELEMENTS: 251 case DICTIONARY_ELEMENTS:
252 case NON_STRICT_ARGUMENTS_ELEMENTS: 252 case NON_STRICT_ARGUMENTS_ELEMENTS:
253 return kPointerSizeLog2; 253 return kPointerSizeLog2;
254 } 254 }
255 UNREACHABLE(); 255 UNREACHABLE();
256 return 0; 256 return 0;
257 } 257 }
258 258
259 259
260 int StackSlotOffset(int index) {
261 if (index >= 0) {
262 // Local or spill slot. Skip the frame pointer, function, and
263 // context in the fixed part of the frame.
264 return -(index + 3) * kPointerSize;
265 } else {
266 // Incoming parameter. Skip the return address.
267 return -(index - 1) * kPointerSize;
268 }
269 }
270
271
260 LChunk::LChunk(CompilationInfo* info, HGraph* graph) 272 LChunk::LChunk(CompilationInfo* info, HGraph* graph)
261 : spill_slot_count_(0), 273 : spill_slot_count_(0),
262 info_(info), 274 info_(info),
263 graph_(graph), 275 graph_(graph),
264 instructions_(32, graph->zone()), 276 instructions_(32, graph->zone()),
265 pointer_maps_(8, graph->zone()), 277 pointer_maps_(8, graph->zone()),
266 inlined_closures_(1, graph->zone()) { 278 inlined_closures_(1, graph->zone()) {
267 } 279 }
268 280
269 281
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488 } else { 500 } else {
489 spill_slot_count_++; 501 spill_slot_count_++;
490 } 502 }
491 } 503 }
492 iterator.Advance(); 504 iterator.Advance();
493 } 505 }
494 } 506 }
495 507
496 508
497 } } // namespace v8::internal 509 } } // namespace v8::internal
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