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Issue 23496046: Remove indirection when calling Runtime_StackGuard. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 3 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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289 VisitDeclarations(scope()->declarations()); 289 VisitDeclarations(scope()->declarations());
290 } 290 }
291 291
292 { Comment cmnt(masm_, "[ Stack check"); 292 { Comment cmnt(masm_, "[ Stack check");
293 PrepareForBailoutForId(BailoutId::Declarations(), NO_REGISTERS); 293 PrepareForBailoutForId(BailoutId::Declarations(), NO_REGISTERS);
294 Label ok; 294 Label ok;
295 __ LoadRoot(ip, Heap::kStackLimitRootIndex); 295 __ LoadRoot(ip, Heap::kStackLimitRootIndex);
296 __ cmp(sp, Operand(ip)); 296 __ cmp(sp, Operand(ip));
297 __ b(hs, &ok); 297 __ b(hs, &ok);
298 PredictableCodeSizeScope predictable(masm_, 2 * Assembler::kInstrSize); 298 PredictableCodeSizeScope predictable(masm_, 2 * Assembler::kInstrSize);
299 __ Call(isolate()->builtins()->StackCheck(), RelocInfo::CODE_TARGET); 299 __ CallRuntime(Runtime::kStackCheck, 0);
300 __ bind(&ok); 300 __ bind(&ok);
301 } 301 }
302 302
303 { Comment cmnt(masm_, "[ Body"); 303 { Comment cmnt(masm_, "[ Body");
304 ASSERT(loop_depth() == 0); 304 ASSERT(loop_depth() == 0);
305 VisitStatements(function()->body()); 305 VisitStatements(function()->body());
306 ASSERT(loop_depth() == 0); 306 ASSERT(loop_depth() == 0);
307 } 307 }
308 } 308 }
309 309
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407 } 407 }
408 EmitProfilingCounterDecrement(weight); 408 EmitProfilingCounterDecrement(weight);
409 Label ok; 409 Label ok;
410 __ b(pl, &ok); 410 __ b(pl, &ok);
411 __ push(r0); 411 __ push(r0);
412 if (info_->ShouldSelfOptimize() && FLAG_direct_self_opt) { 412 if (info_->ShouldSelfOptimize() && FLAG_direct_self_opt) {
413 __ ldr(r2, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 413 __ ldr(r2, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
414 __ push(r2); 414 __ push(r2);
415 __ CallRuntime(Runtime::kOptimizeFunctionOnNextCall, 1); 415 __ CallRuntime(Runtime::kOptimizeFunctionOnNextCall, 1);
416 } else { 416 } else {
417 __ Call(isolate()->builtins()->InterruptCheck(), 417 __ CallRuntime(Runtime::kInterrupt, 0);
418 RelocInfo::CODE_TARGET);
419 } 418 }
420 __ pop(r0); 419 __ pop(r0);
421 EmitProfilingCounterReset(); 420 EmitProfilingCounterReset();
422 __ bind(&ok); 421 __ bind(&ok);
423 } 422 }
424 423
425 #ifdef DEBUG 424 #ifdef DEBUG
426 // Add a label for checking the size of the code used for returning. 425 // Add a label for checking the size of the code used for returning.
427 Label check_exit_codesize; 426 Label check_exit_codesize;
428 masm_->bind(&check_exit_codesize); 427 masm_->bind(&check_exit_codesize);
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4884 *context_length = 0; 4883 *context_length = 0;
4885 return previous_; 4884 return previous_;
4886 } 4885 }
4887 4886
4888 4887
4889 #undef __ 4888 #undef __
4890 4889
4891 } } // namespace v8::internal 4890 } } // namespace v8::internal
4892 4891
4893 #endif // V8_TARGET_ARCH_ARM 4892 #endif // V8_TARGET_ARCH_ARM
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