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Issue 188063002: Fix deoptimization for out-of-line constant pool. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Use correct constant pool for stubs. Created 6 years, 9 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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1347 1347
1348 1348
1349 static void LeaveArgumentsAdaptorFrame(MacroAssembler* masm) { 1349 static void LeaveArgumentsAdaptorFrame(MacroAssembler* masm) {
1350 // ----------- S t a t e ------------- 1350 // ----------- S t a t e -------------
1351 // -- r0 : result being passed through 1351 // -- r0 : result being passed through
1352 // ----------------------------------- 1352 // -----------------------------------
1353 // Get the number of arguments passed (as a smi), tear down the frame and 1353 // Get the number of arguments passed (as a smi), tear down the frame and
1354 // then tear down the parameters. 1354 // then tear down the parameters.
1355 __ ldr(r1, MemOperand(fp, -(StandardFrameConstants::kFixedFrameSizeFromFp + 1355 __ ldr(r1, MemOperand(fp, -(StandardFrameConstants::kFixedFrameSizeFromFp +
1356 kPointerSize))); 1356 kPointerSize)));
1357 __ mov(sp, fp); 1357
1358 __ ldm(ia_w, sp, fp.bit() | lr.bit()); 1358 if (FLAG_enable_ool_constant_pool) {
1359 __ add(sp, fp, Operand(StandardFrameConstants::kConstantPoolOffset));
1360 __ ldm(ia_w, sp, pp.bit() | fp.bit() | lr.bit());
1361 } else {
1362 __ mov(sp, fp);;
1363 __ ldm(ia_w, sp, fp.bit() | lr.bit());
1364 }
1359 __ add(sp, sp, Operand::PointerOffsetFromSmiKey(r1)); 1365 __ add(sp, sp, Operand::PointerOffsetFromSmiKey(r1));
1360 __ add(sp, sp, Operand(kPointerSize)); // adjust for receiver 1366 __ add(sp, sp, Operand(kPointerSize)); // adjust for receiver
1361 } 1367 }
1362 1368
1363 1369
1364 void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) { 1370 void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
1365 // ----------- S t a t e ------------- 1371 // ----------- S t a t e -------------
1366 // -- r0 : actual number of arguments 1372 // -- r0 : actual number of arguments
1367 // -- r1 : function (passed through to callee) 1373 // -- r1 : function (passed through to callee)
1368 // -- r2 : expected number of arguments 1374 // -- r2 : expected number of arguments
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1468 __ bind(&dont_adapt_arguments); 1474 __ bind(&dont_adapt_arguments);
1469 __ Jump(r3); 1475 __ Jump(r3);
1470 } 1476 }
1471 1477
1472 1478
1473 #undef __ 1479 #undef __
1474 1480
1475 } } // namespace v8::internal 1481 } } // namespace v8::internal
1476 1482
1477 #endif // V8_TARGET_ARCH_ARM 1483 #endif // V8_TARGET_ARCH_ARM
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