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Issue 18054006: Fix Random_nextState intrinsic on ARM. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 7 years, 5 months ago
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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" 5 #include "vm/globals.h"
6 #if defined(TARGET_ARCH_ARM) 6 #if defined(TARGET_ARCH_ARM)
7 7
8 #include "vm/assembler.h" 8 #include "vm/assembler.h"
9 #include "vm/simulator.h" 9 #include "vm/simulator.h"
10 #include "vm/runtime_entry.h" 10 #include "vm/runtime_entry.h"
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523 } 523 }
524 524
525 525
526 void Assembler::smlal(Register rd_lo, Register rd_hi, 526 void Assembler::smlal(Register rd_lo, Register rd_hi,
527 Register rn, Register rm, Condition cond) { 527 Register rn, Register rm, Condition cond) {
528 // Assembler registers rd_lo, rd_hi, rn, rm are encoded as rd, rn, rm, rs. 528 // Assembler registers rd_lo, rd_hi, rn, rm are encoded as rd, rn, rm, rs.
529 EmitMulOp(cond, B23 | B22 | B21, rd_lo, rd_hi, rn, rm); 529 EmitMulOp(cond, B23 | B22 | B21, rd_lo, rd_hi, rn, rm);
530 } 530 }
531 531
532 532
533 void Assembler::umlal(Register rd_lo, Register rd_hi,
534 Register rn, Register rm, Condition cond) {
535 // Assembler registers rd_lo, rd_hi, rn, rm are encoded as rd, rn, rm, rs.
536 EmitMulOp(cond, B23 | B21, rd_lo, rd_hi, rn, rm);
537 }
538
539
533 void Assembler::EmitDivOp(Condition cond, int32_t opcode, 540 void Assembler::EmitDivOp(Condition cond, int32_t opcode,
534 Register rd, Register rn, Register rm) { 541 Register rd, Register rn, Register rm) {
535 ASSERT(CPUFeatures::integer_division_supported()); 542 ASSERT(CPUFeatures::integer_division_supported());
536 ASSERT(rd != kNoRegister); 543 ASSERT(rd != kNoRegister);
537 ASSERT(rn != kNoRegister); 544 ASSERT(rn != kNoRegister);
538 ASSERT(rm != kNoRegister); 545 ASSERT(rm != kNoRegister);
539 ASSERT(cond != kNoCondition); 546 ASSERT(cond != kNoCondition);
540 int32_t encoding = opcode | 547 int32_t encoding = opcode |
541 (static_cast<int32_t>(cond) << kConditionShift) | 548 (static_cast<int32_t>(cond) << kConditionShift) |
542 (static_cast<int32_t>(rn) << kDivRnShift) | 549 (static_cast<int32_t>(rn) << kDivRnShift) |
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2209 2216
2210 const char* Assembler::FpuRegisterName(FpuRegister reg) { 2217 const char* Assembler::FpuRegisterName(FpuRegister reg) {
2211 ASSERT((0 <= reg) && (reg < kNumberOfFpuRegisters)); 2218 ASSERT((0 <= reg) && (reg < kNumberOfFpuRegisters));
2212 return fpu_reg_names[reg]; 2219 return fpu_reg_names[reg];
2213 } 2220 }
2214 2221
2215 } // namespace dart 2222 } // namespace dart
2216 2223
2217 #endif // defined TARGET_ARCH_ARM 2224 #endif // defined TARGET_ARCH_ARM
2218 2225
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