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Issue 10377103: Merged r11459, r11523 into 3.9 branch. (Closed) Base URL: https://v8.googlecode.com/svn/branches/3.9
Patch Set: Created 8 years, 7 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
(...skipping 2805 matching lines...) Expand 10 before | Expand all | Expand 10 after
2816 void LCodeGen::DoDeclareGlobals(LDeclareGlobals* instr) { 2816 void LCodeGen::DoDeclareGlobals(LDeclareGlobals* instr) {
2817 __ LoadHeapObject(scratch0(), instr->hydrogen()->pairs()); 2817 __ LoadHeapObject(scratch0(), instr->hydrogen()->pairs());
2818 __ li(scratch1(), Operand(Smi::FromInt(instr->hydrogen()->flags()))); 2818 __ li(scratch1(), Operand(Smi::FromInt(instr->hydrogen()->flags())));
2819 // The context is the first argument. 2819 // The context is the first argument.
2820 __ Push(cp, scratch0(), scratch1()); 2820 __ Push(cp, scratch0(), scratch1());
2821 CallRuntime(Runtime::kDeclareGlobals, 3, instr); 2821 CallRuntime(Runtime::kDeclareGlobals, 3, instr);
2822 } 2822 }
2823 2823
2824 2824
2825 void LCodeGen::DoGlobalObject(LGlobalObject* instr) { 2825 void LCodeGen::DoGlobalObject(LGlobalObject* instr) {
2826 Register context = ToRegister(instr->context());
2827 Register result = ToRegister(instr->result()); 2826 Register result = ToRegister(instr->result());
2828 __ lw(result, ContextOperand(cp, Context::GLOBAL_INDEX)); 2827 __ lw(result, ContextOperand(cp, Context::GLOBAL_INDEX));
2829 } 2828 }
2830 2829
2831 2830
2832 void LCodeGen::DoGlobalReceiver(LGlobalReceiver* instr) { 2831 void LCodeGen::DoGlobalReceiver(LGlobalReceiver* instr) {
2833 Register global = ToRegister(instr->global()); 2832 Register global = ToRegister(instr->global());
2834 Register result = ToRegister(instr->result()); 2833 Register result = ToRegister(instr->result());
2835 __ lw(result, FieldMemOperand(global, GlobalObject::kGlobalReceiverOffset)); 2834 __ lw(result, FieldMemOperand(global, GlobalObject::kGlobalReceiverOffset));
2836 } 2835 }
(...skipping 366 matching lines...) Expand 10 before | Expand all | Expand 10 after
3203 __ lw(a1, FieldMemOperand(a2, ByteArray::kHeaderSize)); 3202 __ lw(a1, FieldMemOperand(a2, ByteArray::kHeaderSize));
3204 __ Branch(deferred->entry(), eq, a1, Operand(zero_reg)); 3203 __ Branch(deferred->entry(), eq, a1, Operand(zero_reg));
3205 // Load state[1]. 3204 // Load state[1].
3206 __ lw(a0, FieldMemOperand(a2, ByteArray::kHeaderSize + kSeedSize)); 3205 __ lw(a0, FieldMemOperand(a2, ByteArray::kHeaderSize + kSeedSize));
3207 // a1: state[0]. 3206 // a1: state[0].
3208 // a0: state[1]. 3207 // a0: state[1].
3209 3208
3210 // state[0] = 18273 * (state[0] & 0xFFFF) + (state[0] >> 16) 3209 // state[0] = 18273 * (state[0] & 0xFFFF) + (state[0] >> 16)
3211 __ And(a3, a1, Operand(0xFFFF)); 3210 __ And(a3, a1, Operand(0xFFFF));
3212 __ li(t0, Operand(18273)); 3211 __ li(t0, Operand(18273));
3213 __ mul(a3, a3, t0); 3212 __ Mul(a3, a3, t0);
3214 __ srl(a1, a1, 16); 3213 __ srl(a1, a1, 16);
3215 __ Addu(a1, a3, a1); 3214 __ Addu(a1, a3, a1);
3216 // Save state[0]. 3215 // Save state[0].
3217 __ sw(a1, FieldMemOperand(a2, ByteArray::kHeaderSize)); 3216 __ sw(a1, FieldMemOperand(a2, ByteArray::kHeaderSize));
3218 3217
3219 // state[1] = 36969 * (state[1] & 0xFFFF) + (state[1] >> 16) 3218 // state[1] = 36969 * (state[1] & 0xFFFF) + (state[1] >> 16)
3220 __ And(a3, a0, Operand(0xFFFF)); 3219 __ And(a3, a0, Operand(0xFFFF));
3221 __ li(t0, Operand(36969)); 3220 __ li(t0, Operand(36969));
3222 __ mul(a3, a3, t0); 3221 __ Mul(a3, a3, t0);
3223 __ srl(a0, a0, 16), 3222 __ srl(a0, a0, 16),
3224 __ Addu(a0, a3, a0); 3223 __ Addu(a0, a3, a0);
3225 // Save state[1]. 3224 // Save state[1].
3226 __ sw(a0, FieldMemOperand(a2, ByteArray::kHeaderSize + kSeedSize)); 3225 __ sw(a0, FieldMemOperand(a2, ByteArray::kHeaderSize + kSeedSize));
3227 3226
3228 // Random bit pattern = (state[0] << 14) + (state[1] & 0x3FFFF) 3227 // Random bit pattern = (state[0] << 14) + (state[1] & 0x3FFFF)
3229 __ And(a0, a0, Operand(0x3FFFF)); 3228 __ And(a0, a0, Operand(0x3FFFF));
3230 __ sll(a1, a1, 14); 3229 __ sll(a1, a1, 14);
3231 __ Addu(v0, a0, a1); 3230 __ Addu(v0, a0, a1);
3232 3231
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4117 instr->hydrogen()->deoptimize_on_minus_zero(), 4116 instr->hydrogen()->deoptimize_on_minus_zero(),
4118 instr->environment()); 4117 instr->environment());
4119 } 4118 }
4120 4119
4121 4120
4122 void LCodeGen::DoDoubleToI(LDoubleToI* instr) { 4121 void LCodeGen::DoDoubleToI(LDoubleToI* instr) {
4123 Register result_reg = ToRegister(instr->result()); 4122 Register result_reg = ToRegister(instr->result());
4124 Register scratch1 = scratch0(); 4123 Register scratch1 = scratch0();
4125 Register scratch2 = ToRegister(instr->TempAt(0)); 4124 Register scratch2 = ToRegister(instr->TempAt(0));
4126 DoubleRegister double_input = ToDoubleRegister(instr->InputAt(0)); 4125 DoubleRegister double_input = ToDoubleRegister(instr->InputAt(0));
4127 DoubleRegister double_scratch = double_scratch0();
4128 FPURegister single_scratch = double_scratch0().low(); 4126 FPURegister single_scratch = double_scratch0().low();
4129 4127
4130 if (instr->truncating()) { 4128 if (instr->truncating()) {
4131 Register scratch3 = ToRegister(instr->TempAt(1)); 4129 Register scratch3 = ToRegister(instr->TempAt(1));
4132 __ EmitECMATruncate(result_reg, 4130 __ EmitECMATruncate(result_reg,
4133 double_input, 4131 double_input,
4134 single_scratch, 4132 single_scratch,
4135 scratch1, 4133 scratch1,
4136 scratch2, 4134 scratch2,
4137 scratch3); 4135 scratch3);
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5064 __ Subu(scratch, result, scratch); 5062 __ Subu(scratch, result, scratch);
5065 __ lw(result, FieldMemOperand(scratch, 5063 __ lw(result, FieldMemOperand(scratch,
5066 FixedArray::kHeaderSize - kPointerSize)); 5064 FixedArray::kHeaderSize - kPointerSize));
5067 __ bind(&done); 5065 __ bind(&done);
5068 } 5066 }
5069 5067
5070 5068
5071 #undef __ 5069 #undef __
5072 5070
5073 } } // namespace v8::internal 5071 } } // namespace v8::internal
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