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Issue 888005: Fix issues with compiling V8 with LLVM Clang... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 10 years, 9 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 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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24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 27
28 #include <stdlib.h> 28 #include <stdlib.h>
29 #include <cstdarg> 29 #include <cstdarg>
30 #include "v8.h" 30 #include "v8.h"
31 31
32 #include "disasm.h" 32 #include "disasm.h"
33 #include "assembler.h" 33 #include "assembler.h"
34 #include "globals.h" // Need the bit_cast 34 #include "globals.h" // Need the BitCast
35 #include "mips/constants-mips.h" 35 #include "mips/constants-mips.h"
36 #include "mips/simulator-mips.h" 36 #include "mips/simulator-mips.h"
37 37
38 namespace v8i = v8::internal; 38 namespace v8i = v8::internal;
39 39
40 #if !defined(__mips) 40 #if !defined(__mips)
41 41
42 // Only build the simulator if not compiling for real MIPS hardware. 42 // Only build the simulator if not compiling for real MIPS hardware.
43 namespace assembler { 43 namespace assembler {
44 namespace mips { 44 namespace mips {
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597 registers_[reg] = (reg == 0) ? 0 : value; 597 registers_[reg] = (reg == 0) ? 0 : value;
598 } 598 }
599 599
600 void Simulator::set_fpu_register(int fpureg, int32_t value) { 600 void Simulator::set_fpu_register(int fpureg, int32_t value) {
601 ASSERT((fpureg >= 0) && (fpureg < kNumFPURegisters)); 601 ASSERT((fpureg >= 0) && (fpureg < kNumFPURegisters));
602 FPUregisters_[fpureg] = value; 602 FPUregisters_[fpureg] = value;
603 } 603 }
604 604
605 void Simulator::set_fpu_register_double(int fpureg, double value) { 605 void Simulator::set_fpu_register_double(int fpureg, double value) {
606 ASSERT((fpureg >= 0) && (fpureg < kNumFPURegisters) && ((fpureg % 2) == 0)); 606 ASSERT((fpureg >= 0) && (fpureg < kNumFPURegisters) && ((fpureg % 2) == 0));
607 *v8i::bit_cast<double*, int32_t*>(&FPUregisters_[fpureg]) = value; 607 *v8i::BitCast<double*, int32_t*>(&FPUregisters_[fpureg]) = value;
608 } 608 }
609 609
610 610
611 // Get the register from the architecture state. This function does handle 611 // Get the register from the architecture state. This function does handle
612 // the special case of accessing the PC register. 612 // the special case of accessing the PC register.
613 int32_t Simulator::get_register(int reg) const { 613 int32_t Simulator::get_register(int reg) const {
614 ASSERT((reg >= 0) && (reg < kNumSimuRegisters)); 614 ASSERT((reg >= 0) && (reg < kNumSimuRegisters));
615 if (reg == 0) 615 if (reg == 0)
616 return 0; 616 return 0;
617 else 617 else
618 return registers_[reg] + ((reg == pc) ? Instruction::kPCReadOffset : 0); 618 return registers_[reg] + ((reg == pc) ? Instruction::kPCReadOffset : 0);
619 } 619 }
620 620
621 int32_t Simulator::get_fpu_register(int fpureg) const { 621 int32_t Simulator::get_fpu_register(int fpureg) const {
622 ASSERT((fpureg >= 0) && (fpureg < kNumFPURegisters)); 622 ASSERT((fpureg >= 0) && (fpureg < kNumFPURegisters));
623 return FPUregisters_[fpureg]; 623 return FPUregisters_[fpureg];
624 } 624 }
625 625
626 double Simulator::get_fpu_register_double(int fpureg) const { 626 double Simulator::get_fpu_register_double(int fpureg) const {
627 ASSERT((fpureg >= 0) && (fpureg < kNumFPURegisters) && ((fpureg % 2) == 0)); 627 ASSERT((fpureg >= 0) && (fpureg < kNumFPURegisters) && ((fpureg % 2) == 0));
628 return *v8i::bit_cast<double*, int32_t*>( 628 return *v8i::BitCast<double*, int32_t*>(
629 const_cast<int32_t*>(&FPUregisters_[fpureg])); 629 const_cast<int32_t*>(&FPUregisters_[fpureg]));
630 } 630 }
631 631
632 // Raw access to the PC register. 632 // Raw access to the PC register.
633 void Simulator::set_pc(int32_t value) { 633 void Simulator::set_pc(int32_t value) {
634 pc_modified_ = true; 634 pc_modified_ = true;
635 registers_[pc] = value; 635 registers_[pc] = value;
636 } 636 }
637 637
638 // Raw access to the PC register without the special adjustment when reading. 638 // Raw access to the PC register without the special adjustment when reading.
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894 case COP1: // Coprocessor instructions 894 case COP1: // Coprocessor instructions
895 switch (instr->RsFieldRaw()) { 895 switch (instr->RsFieldRaw()) {
896 case BC1: // branch on coprocessor condition 896 case BC1: // branch on coprocessor condition
897 UNREACHABLE(); 897 UNREACHABLE();
898 break; 898 break;
899 case MFC1: 899 case MFC1:
900 alu_out = get_fpu_register(fs_reg); 900 alu_out = get_fpu_register(fs_reg);
901 break; 901 break;
902 case MFHC1: 902 case MFHC1:
903 fp_out = get_fpu_register_double(fs_reg); 903 fp_out = get_fpu_register_double(fs_reg);
904 alu_out = *v8i::bit_cast<int32_t*, double*>(&fp_out); 904 alu_out = *v8i::BitCast<int32_t*, double*>(&fp_out);
905 break; 905 break;
906 case MTC1: 906 case MTC1:
907 case MTHC1: 907 case MTHC1:
908 // Do the store in the execution step. 908 // Do the store in the execution step.
909 break; 909 break;
910 case S: 910 case S:
911 case D: 911 case D:
912 case W: 912 case W:
913 case L: 913 case L:
914 case PS: 914 case PS:
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1639 return address; 1639 return address;
1640 } 1640 }
1641 1641
1642 1642
1643 #undef UNSUPPORTED 1643 #undef UNSUPPORTED
1644 1644
1645 } } // namespace assembler::mips 1645 } } // namespace assembler::mips
1646 1646
1647 #endif // !defined(__mips) 1647 #endif // !defined(__mips)
1648 1648
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