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Issue 204293004: A64: Remove Operand constructors where an implicit constructor can be used. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 9 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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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854 // The following caller-saved registers must be saved and restored when 854 // The following caller-saved registers must be saved and restored when
855 // calling through to the runtime: 855 // calling through to the runtime:
856 // x0 - The address from which to resume execution. 856 // x0 - The address from which to resume execution.
857 // x1 - isolate 857 // x1 - isolate
858 // lr - The return address for the JSFunction itself. It has not yet been 858 // lr - The return address for the JSFunction itself. It has not yet been
859 // preserved on the stack because the frame setup code was replaced 859 // preserved on the stack because the frame setup code was replaced
860 // with a call to this stub, to handle code ageing. 860 // with a call to this stub, to handle code ageing.
861 { 861 {
862 FrameScope scope(masm, StackFrame::MANUAL); 862 FrameScope scope(masm, StackFrame::MANUAL);
863 __ Push(x0, x1, fp, lr); 863 __ Push(x0, x1, fp, lr);
864 __ Mov(x1, Operand(ExternalReference::isolate_address(masm->isolate()))); 864 __ Mov(x1, ExternalReference::isolate_address(masm->isolate()));
865 __ CallCFunction( 865 __ CallCFunction(
866 ExternalReference::get_make_code_young_function(masm->isolate()), 2); 866 ExternalReference::get_make_code_young_function(masm->isolate()), 2);
867 __ Pop(lr, fp, x1, x0); 867 __ Pop(lr, fp, x1, x0);
868 } 868 }
869 869
870 // The calling function has been made young again, so return to execute the 870 // The calling function has been made young again, so return to execute the
871 // real frame set-up code. 871 // real frame set-up code.
872 __ Br(x0); 872 __ Br(x0);
873 } 873 }
874 874
(...skipping 19 matching lines...) Expand all
894 // The following caller-saved registers must be saved and restored when 894 // The following caller-saved registers must be saved and restored when
895 // calling through to the runtime: 895 // calling through to the runtime:
896 // x0 - The address from which to resume execution. 896 // x0 - The address from which to resume execution.
897 // x1 - isolate 897 // x1 - isolate
898 // lr - The return address for the JSFunction itself. It has not yet been 898 // lr - The return address for the JSFunction itself. It has not yet been
899 // preserved on the stack because the frame setup code was replaced 899 // preserved on the stack because the frame setup code was replaced
900 // with a call to this stub, to handle code ageing. 900 // with a call to this stub, to handle code ageing.
901 { 901 {
902 FrameScope scope(masm, StackFrame::MANUAL); 902 FrameScope scope(masm, StackFrame::MANUAL);
903 __ Push(x0, x1, fp, lr); 903 __ Push(x0, x1, fp, lr);
904 __ Mov(x1, Operand(ExternalReference::isolate_address(masm->isolate()))); 904 __ Mov(x1, ExternalReference::isolate_address(masm->isolate()));
905 __ CallCFunction( 905 __ CallCFunction(
906 ExternalReference::get_mark_code_as_executed_function( 906 ExternalReference::get_mark_code_as_executed_function(
907 masm->isolate()), 2); 907 masm->isolate()), 2);
908 __ Pop(lr, fp, x1, x0); 908 __ Pop(lr, fp, x1, x0);
909 909
910 // Perform prologue operations usually performed by the young code stub. 910 // Perform prologue operations usually performed by the young code stub.
911 __ EmitFrameSetupForCodeAgePatching(masm); 911 __ EmitFrameSetupForCodeAgePatching(masm);
912 } 912 }
913 913
914 // Jump to point after the code-age stub. 914 // Jump to point after the code-age stub.
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956 void Builtins::Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm) { 956 void Builtins::Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm) {
957 Generate_NotifyStubFailureHelper(masm, kSaveFPRegs); 957 Generate_NotifyStubFailureHelper(masm, kSaveFPRegs);
958 } 958 }
959 959
960 960
961 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm, 961 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm,
962 Deoptimizer::BailoutType type) { 962 Deoptimizer::BailoutType type) {
963 { 963 {
964 FrameScope scope(masm, StackFrame::INTERNAL); 964 FrameScope scope(masm, StackFrame::INTERNAL);
965 // Pass the deoptimization type to the runtime system. 965 // Pass the deoptimization type to the runtime system.
966 __ Mov(x0, Operand(Smi::FromInt(static_cast<int>(type)))); 966 __ Mov(x0, Smi::FromInt(static_cast<int>(type)));
967 __ Push(x0); 967 __ Push(x0);
968 __ CallRuntime(Runtime::kNotifyDeoptimized, 1); 968 __ CallRuntime(Runtime::kNotifyDeoptimized, 1);
969 } 969 }
970 970
971 // Get the full codegen state from the stack and untag it. 971 // Get the full codegen state from the stack and untag it.
972 Register state = x6; 972 Register state = x6;
973 __ Peek(state, 0); 973 __ Peek(state, 0);
974 __ SmiUntag(state); 974 __ SmiUntag(state);
975 975
976 // Switch on the state. 976 // Switch on the state.
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1012 __ Ldr(x0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 1012 __ Ldr(x0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
1013 { 1013 {
1014 FrameScope scope(masm, StackFrame::INTERNAL); 1014 FrameScope scope(masm, StackFrame::INTERNAL);
1015 // Pass function as argument. 1015 // Pass function as argument.
1016 __ Push(x0); 1016 __ Push(x0);
1017 __ CallRuntime(Runtime::kCompileForOnStackReplacement, 1); 1017 __ CallRuntime(Runtime::kCompileForOnStackReplacement, 1);
1018 } 1018 }
1019 1019
1020 // If the code object is null, just return to the unoptimized code. 1020 // If the code object is null, just return to the unoptimized code.
1021 Label skip; 1021 Label skip;
1022 __ CompareAndBranch(x0, Operand(Smi::FromInt(0)), ne, &skip); 1022 __ CompareAndBranch(x0, Smi::FromInt(0), ne, &skip);
1023 __ Ret(); 1023 __ Ret();
1024 1024
1025 __ Bind(&skip); 1025 __ Bind(&skip);
1026 1026
1027 // Load deoptimization data from the code object. 1027 // Load deoptimization data from the code object.
1028 // <deopt_data> = <code>[#deoptimization_data_offset] 1028 // <deopt_data> = <code>[#deoptimization_data_offset]
1029 __ Ldr(x1, MemOperand(x0, Code::kDeoptimizationDataOffset - kHeapObjectTag)); 1029 __ Ldr(x1, MemOperand(x0, Code::kDeoptimizationDataOffset - kHeapObjectTag));
1030 1030
1031 // Load the OSR entrypoint offset from the deoptimization data. 1031 // Load the OSR entrypoint offset from the deoptimization data.
1032 // <osr_offset> = <deopt_data>[#header_size + #osr_pc_offset] 1032 // <osr_offset> = <deopt_data>[#header_size + #osr_pc_offset]
(...skipping 318 matching lines...) Expand 10 before | Expand all | Expand 10 after
1351 1351
1352 __ Ldr(x1, MemOperand(fp, kArgsOffset)); 1352 __ Ldr(x1, MemOperand(fp, kArgsOffset));
1353 __ Push(x1, current); 1353 __ Push(x1, current);
1354 1354
1355 // Call the runtime to access the property in the arguments array. 1355 // Call the runtime to access the property in the arguments array.
1356 __ CallRuntime(Runtime::kGetProperty, 2); 1356 __ CallRuntime(Runtime::kGetProperty, 2);
1357 __ Push(x0); 1357 __ Push(x0);
1358 1358
1359 // Use inline caching to access the arguments. 1359 // Use inline caching to access the arguments.
1360 __ Ldr(current, MemOperand(fp, kIndexOffset)); 1360 __ Ldr(current, MemOperand(fp, kIndexOffset));
1361 __ Add(current, current, Operand(Smi::FromInt(1))); 1361 __ Add(current, current, Smi::FromInt(1));
1362 __ Str(current, MemOperand(fp, kIndexOffset)); 1362 __ Str(current, MemOperand(fp, kIndexOffset));
1363 1363
1364 // Test if the copy loop has finished copying all the elements from the 1364 // Test if the copy loop has finished copying all the elements from the
1365 // arguments object. 1365 // arguments object.
1366 __ Bind(&entry); 1366 __ Bind(&entry);
1367 __ Ldr(x1, MemOperand(fp, kLimitOffset)); 1367 __ Ldr(x1, MemOperand(fp, kLimitOffset));
1368 __ Cmp(current, x1); 1368 __ Cmp(current, x1);
1369 __ B(ne, &loop); 1369 __ B(ne, &loop);
1370 1370
1371 // At the end of the loop, the number of arguments is stored in 'current', 1371 // At the end of the loop, the number of arguments is stored in 'current',
(...skipping 23 matching lines...) Expand all
1395 __ Call(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), 1395 __ Call(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),
1396 RelocInfo::CODE_TARGET); 1396 RelocInfo::CODE_TARGET);
1397 } 1397 }
1398 __ Drop(3); 1398 __ Drop(3);
1399 __ Ret(); 1399 __ Ret();
1400 } 1400 }
1401 1401
1402 1402
1403 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) { 1403 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
1404 __ SmiTag(x10, x0); 1404 __ SmiTag(x10, x0);
1405 __ Mov(x11, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR))); 1405 __ Mov(x11, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR));
1406 __ Push(lr, fp); 1406 __ Push(lr, fp);
1407 __ Push(x11, x1, x10); 1407 __ Push(x11, x1, x10);
1408 __ Add(fp, jssp, 1408 __ Add(fp, jssp,
1409 StandardFrameConstants::kFixedFrameSizeFromFp + kPointerSize); 1409 StandardFrameConstants::kFixedFrameSizeFromFp + kPointerSize);
1410 } 1410 }
1411 1411
1412 1412
1413 static void LeaveArgumentsAdaptorFrame(MacroAssembler* masm) { 1413 static void LeaveArgumentsAdaptorFrame(MacroAssembler* masm) {
1414 // ----------- S t a t e ------------- 1414 // ----------- S t a t e -------------
1415 // -- x0 : result being passed through 1415 // -- x0 : result being passed through
(...skipping 137 matching lines...) Expand 10 before | Expand all | Expand 10 after
1553 __ Bind(&dont_adapt_arguments); 1553 __ Bind(&dont_adapt_arguments);
1554 __ Jump(code_entry); 1554 __ Jump(code_entry);
1555 } 1555 }
1556 1556
1557 1557
1558 #undef __ 1558 #undef __
1559 1559
1560 } } // namespace v8::internal 1560 } } // namespace v8::internal
1561 1561
1562 #endif // V8_TARGET_ARCH_ARM 1562 #endif // V8_TARGET_ARCH_ARM
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