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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <limits.h> // For LONG_MIN, LONG_MAX. | 5 #include <limits.h> // For LONG_MIN, LONG_MAX. |
6 | 6 |
7 #include "v8.h" | 7 #include "v8.h" |
8 | 8 |
9 #if V8_TARGET_ARCH_ARM | 9 #if V8_TARGET_ARCH_ARM |
10 | 10 |
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895 void MacroAssembler::LoadConstantPoolPointerRegister() { | 895 void MacroAssembler::LoadConstantPoolPointerRegister() { |
896 if (FLAG_enable_ool_constant_pool) { | 896 if (FLAG_enable_ool_constant_pool) { |
897 int constant_pool_offset = Code::kConstantPoolOffset - Code::kHeaderSize - | 897 int constant_pool_offset = Code::kConstantPoolOffset - Code::kHeaderSize - |
898 pc_offset() - Instruction::kPCReadOffset; | 898 pc_offset() - Instruction::kPCReadOffset; |
899 ASSERT(ImmediateFitsAddrMode2Instruction(constant_pool_offset)); | 899 ASSERT(ImmediateFitsAddrMode2Instruction(constant_pool_offset)); |
900 ldr(pp, MemOperand(pc, constant_pool_offset)); | 900 ldr(pp, MemOperand(pc, constant_pool_offset)); |
901 } | 901 } |
902 } | 902 } |
903 | 903 |
904 | 904 |
905 void MacroAssembler::Prologue(PrologueFrameMode frame_mode) { | 905 void MacroAssembler::Prologue(CompilationInfo* info) { |
906 if (frame_mode == BUILD_STUB_FRAME) { | 906 if (info->IsStub()) { |
907 PushFixedFrame(); | 907 PushFixedFrame(); |
908 Push(Smi::FromInt(StackFrame::STUB)); | 908 Push(Smi::FromInt(StackFrame::STUB)); |
909 // Adjust FP to point to saved FP. | 909 // Adjust FP to point to saved FP. |
910 add(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp)); | 910 add(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp)); |
911 } else { | 911 } else { |
912 PredictableCodeSizeScope predictible_code_size_scope( | 912 PredictableCodeSizeScope predictible_code_size_scope( |
913 this, kNoCodeAgeSequenceLength); | 913 this, kNoCodeAgeSequenceLength); |
914 // The following three instructions must remain together and unmodified | 914 // The following three instructions must remain together and unmodified |
915 // for code aging to work properly. | 915 // for code aging to work properly. |
916 if (isolate()->IsCodePreAgingActive()) { | 916 if (info->IsCodePreAgingActive()) { |
917 // Pre-age the code. | 917 // Pre-age the code. |
918 Code* stub = Code::GetPreAgedCodeAgeStub(isolate()); | 918 Code* stub = Code::GetPreAgedCodeAgeStub(isolate()); |
919 add(r0, pc, Operand(-8)); | 919 add(r0, pc, Operand(-8)); |
920 ldr(pc, MemOperand(pc, -4)); | 920 ldr(pc, MemOperand(pc, -4)); |
921 emit_code_stub_address(stub); | 921 emit_code_stub_address(stub); |
922 } else { | 922 } else { |
923 PushFixedFrame(r1); | 923 PushFixedFrame(r1); |
924 nop(ip.code()); | 924 nop(ip.code()); |
925 // Adjust FP to point to saved FP. | 925 // Adjust FP to point to saved FP. |
926 add(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp)); | 926 add(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp)); |
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4058 sub(result, result, Operand(dividend)); | 4058 sub(result, result, Operand(dividend)); |
4059 } | 4059 } |
4060 if (ms.shift() > 0) mov(result, Operand(result, ASR, ms.shift())); | 4060 if (ms.shift() > 0) mov(result, Operand(result, ASR, ms.shift())); |
4061 add(result, result, Operand(dividend, LSR, 31)); | 4061 add(result, result, Operand(dividend, LSR, 31)); |
4062 } | 4062 } |
4063 | 4063 |
4064 | 4064 |
4065 } } // namespace v8::internal | 4065 } } // namespace v8::internal |
4066 | 4066 |
4067 #endif // V8_TARGET_ARCH_ARM | 4067 #endif // V8_TARGET_ARCH_ARM |
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