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Side by Side Diff: src/x64/full-codegen-x64.cc

Issue 64453002: Refactor loading a pointer into a register instruction for X64 (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Rebased with bleeding_edge Created 7 years 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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295 } 295 }
296 } 296 }
297 297
298 298
299 void FullCodeGenerator::ClearAccumulator() { 299 void FullCodeGenerator::ClearAccumulator() {
300 __ Set(rax, 0); 300 __ Set(rax, 0);
301 } 301 }
302 302
303 303
304 void FullCodeGenerator::EmitProfilingCounterDecrement(int delta) { 304 void FullCodeGenerator::EmitProfilingCounterDecrement(int delta) {
305 __ movq(rbx, profiling_counter_, RelocInfo::EMBEDDED_OBJECT); 305 __ Move(rbx, profiling_counter_, RelocInfo::EMBEDDED_OBJECT);
306 __ SmiAddConstant(FieldOperand(rbx, Cell::kValueOffset), 306 __ SmiAddConstant(FieldOperand(rbx, Cell::kValueOffset),
307 Smi::FromInt(-delta)); 307 Smi::FromInt(-delta));
308 } 308 }
309 309
310 310
311 void FullCodeGenerator::EmitProfilingCounterReset() { 311 void FullCodeGenerator::EmitProfilingCounterReset() {
312 int reset_value = FLAG_interrupt_budget; 312 int reset_value = FLAG_interrupt_budget;
313 if (info_->ShouldSelfOptimize() && !FLAG_retry_self_opt) { 313 if (info_->ShouldSelfOptimize() && !FLAG_retry_self_opt) {
314 // Self-optimization is a one-off thing; if it fails, don't try again. 314 // Self-optimization is a one-off thing; if it fails, don't try again.
315 reset_value = Smi::kMaxValue; 315 reset_value = Smi::kMaxValue;
316 } 316 }
317 __ movq(rbx, profiling_counter_, RelocInfo::EMBEDDED_OBJECT); 317 __ Move(rbx, profiling_counter_, RelocInfo::EMBEDDED_OBJECT);
318 __ Move(kScratchRegister, Smi::FromInt(reset_value)); 318 __ Move(kScratchRegister, Smi::FromInt(reset_value));
319 __ movq(FieldOperand(rbx, Cell::kValueOffset), kScratchRegister); 319 __ movq(FieldOperand(rbx, Cell::kValueOffset), kScratchRegister);
320 } 320 }
321 321
322 322
323 void FullCodeGenerator::EmitBackEdgeBookkeeping(IterationStatement* stmt, 323 void FullCodeGenerator::EmitBackEdgeBookkeeping(IterationStatement* stmt,
324 Label* back_edge_target) { 324 Label* back_edge_target) {
325 Comment cmnt(masm_, "[ Back edge bookkeeping"); 325 Comment cmnt(masm_, "[ Back edge bookkeeping");
326 Label ok; 326 Label ok;
327 327
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3354 __ movq(scratch, stamp_operand); 3354 __ movq(scratch, stamp_operand);
3355 __ cmpq(scratch, FieldOperand(object, JSDate::kCacheStampOffset)); 3355 __ cmpq(scratch, FieldOperand(object, JSDate::kCacheStampOffset));
3356 __ j(not_equal, &runtime, Label::kNear); 3356 __ j(not_equal, &runtime, Label::kNear);
3357 __ movq(result, FieldOperand(object, JSDate::kValueOffset + 3357 __ movq(result, FieldOperand(object, JSDate::kValueOffset +
3358 kPointerSize * index->value())); 3358 kPointerSize * index->value()));
3359 __ jmp(&done); 3359 __ jmp(&done);
3360 } 3360 }
3361 __ bind(&runtime); 3361 __ bind(&runtime);
3362 __ PrepareCallCFunction(2); 3362 __ PrepareCallCFunction(2);
3363 __ movq(arg_reg_1, object); 3363 __ movq(arg_reg_1, object);
3364 __ movq(arg_reg_2, index, RelocInfo::NONE64); 3364 __ Move(arg_reg_2, index, RelocInfo::NONE64);
3365 __ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2); 3365 __ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2);
3366 __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); 3366 __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
3367 __ jmp(&done); 3367 __ jmp(&done);
3368 } 3368 }
3369 3369
3370 __ bind(&not_date_object); 3370 __ bind(&not_date_object);
3371 __ CallRuntime(Runtime::kThrowNotDateError, 0); 3371 __ CallRuntime(Runtime::kThrowNotDateError, 0);
3372 __ bind(&done); 3372 __ bind(&done);
3373 context()->Plug(rax); 3373 context()->Plug(rax);
3374 } 3374 }
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4906 4906
4907 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), 4907 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(),
4908 Assembler::target_address_at(call_target_address)); 4908 Assembler::target_address_at(call_target_address));
4909 return OSR_AFTER_STACK_CHECK; 4909 return OSR_AFTER_STACK_CHECK;
4910 } 4910 }
4911 4911
4912 4912
4913 } } // namespace v8::internal 4913 } } // namespace v8::internal
4914 4914
4915 #endif // V8_TARGET_ARCH_X64 4915 #endif // V8_TARGET_ARCH_X64
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