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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_MIPS. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_MIPS. |
| 6 #if defined(TARGET_ARCH_MIPS) | 6 #if defined(TARGET_ARCH_MIPS) |
| 7 | 7 |
| 8 #include "vm/intermediate_language.h" | 8 #include "vm/intermediate_language.h" |
| 9 | 9 |
| 10 #include "vm/dart_entry.h" | 10 #include "vm/dart_entry.h" |
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| 4923 void ShiftMintOpInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 4923 void ShiftMintOpInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
| 4924 PairLocation* left_pair = locs()->in(0).AsPairLocation(); | 4924 PairLocation* left_pair = locs()->in(0).AsPairLocation(); |
| 4925 Register left_lo = left_pair->At(0).reg(); | 4925 Register left_lo = left_pair->At(0).reg(); |
| 4926 Register left_hi = left_pair->At(1).reg(); | 4926 Register left_hi = left_pair->At(1).reg(); |
| 4927 PairLocation* out_pair = locs()->out(0).AsPairLocation(); | 4927 PairLocation* out_pair = locs()->out(0).AsPairLocation(); |
| 4928 Register out_lo = out_pair->At(0).reg(); | 4928 Register out_lo = out_pair->At(0).reg(); |
| 4929 Register out_hi = out_pair->At(1).reg(); | 4929 Register out_hi = out_pair->At(1).reg(); |
| 4930 | 4930 |
| 4931 Label* deopt = NULL; | 4931 Label* deopt = NULL; |
| 4932 if (CanDeoptimize()) { | 4932 if (CanDeoptimize()) { |
| 4933 deopt = compiler->AddDeoptStub(deopt_id(), ICData::kDeoptShiftMintOp); | 4933 deopt = compiler->AddDeoptStub(deopt_id(), ICData::kDeoptBinaryMintOp); |
| 4934 } | 4934 } |
| 4935 if (locs()->in(1).IsConstant()) { | 4935 if (locs()->in(1).IsConstant()) { |
| 4936 // Code for a constant shift amount. | 4936 // Code for a constant shift amount. |
| 4937 ASSERT(locs()->in(1).constant().IsSmi()); | 4937 ASSERT(locs()->in(1).constant().IsSmi()); |
| 4938 const int32_t shift = | 4938 const int32_t shift = |
| 4939 reinterpret_cast<int32_t>(locs()->in(1).constant().raw()) >> 1; | 4939 reinterpret_cast<int32_t>(locs()->in(1).constant().raw()) >> 1; |
| 4940 switch (op_kind()) { | 4940 switch (op_kind()) { |
| 4941 case Token::kSHR: { | 4941 case Token::kSHR: { |
| 4942 if (shift < 32) { | 4942 if (shift < 32) { |
| 4943 __ sll(out_lo, left_hi, 32 - shift); | 4943 __ sll(out_lo, left_hi, 32 - shift); |
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| 5173 | 5173 |
| 5174 void ShiftUint32OpInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 5174 void ShiftUint32OpInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
| 5175 const intptr_t kShifterLimit = 31; | 5175 const intptr_t kShifterLimit = 31; |
| 5176 | 5176 |
| 5177 Register left = locs()->in(0).reg(); | 5177 Register left = locs()->in(0).reg(); |
| 5178 Register out = locs()->out(0).reg(); | 5178 Register out = locs()->out(0).reg(); |
| 5179 Register temp = locs()->temp(0).reg(); | 5179 Register temp = locs()->temp(0).reg(); |
| 5180 | 5180 |
| 5181 ASSERT(left != out); | 5181 ASSERT(left != out); |
| 5182 | 5182 |
| 5183 Label* deopt = compiler->AddDeoptStub(deopt_id(), ICData::kDeoptShiftMintOp); | 5183 Label* deopt = compiler->AddDeoptStub(deopt_id(), ICData::kDeoptBinaryMintOp); |
| 5184 | 5184 |
| 5185 if (locs()->in(1).IsConstant()) { | 5185 if (locs()->in(1).IsConstant()) { |
| 5186 // Shifter is constant. | 5186 // Shifter is constant. |
| 5187 | 5187 |
| 5188 const Object& constant = locs()->in(1).constant(); | 5188 const Object& constant = locs()->in(1).constant(); |
| 5189 ASSERT(constant.IsSmi()); | 5189 ASSERT(constant.IsSmi()); |
| 5190 const intptr_t shift_value = Smi::Cast(constant).Value(); | 5190 const intptr_t shift_value = Smi::Cast(constant).Value(); |
| 5191 | 5191 |
| 5192 // Do the shift: (shift_value > 0) && (shift_value <= kShifterLimit). | 5192 // Do the shift: (shift_value > 0) && (shift_value <= kShifterLimit). |
| 5193 switch (op_kind()) { | 5193 switch (op_kind()) { |
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| 5569 compiler->GenerateCall(token_pos(), &label, stub_kind_, locs()); | 5569 compiler->GenerateCall(token_pos(), &label, stub_kind_, locs()); |
| 5570 #if defined(DEBUG) | 5570 #if defined(DEBUG) |
| 5571 __ LoadImmediate(S4, kInvalidObjectPointer); | 5571 __ LoadImmediate(S4, kInvalidObjectPointer); |
| 5572 __ LoadImmediate(S5, kInvalidObjectPointer); | 5572 __ LoadImmediate(S5, kInvalidObjectPointer); |
| 5573 #endif | 5573 #endif |
| 5574 } | 5574 } |
| 5575 | 5575 |
| 5576 } // namespace dart | 5576 } // namespace dart |
| 5577 | 5577 |
| 5578 #endif // defined TARGET_ARCH_MIPS | 5578 #endif // defined TARGET_ARCH_MIPS |
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