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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, 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 <setjmp.h> // NOLINT | 5 #include <setjmp.h> // NOLINT |
6 #include <stdlib.h> | 6 #include <stdlib.h> |
7 | 7 |
8 #include "vm/globals.h" | 8 #include "vm/globals.h" |
9 #if defined(TARGET_ARCH_ARM64) | 9 #if defined(TARGET_ARCH_ARM64) |
10 | 10 |
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2649 const int32_t rm_val = get_wregister(rm, R31IsZR); | 2649 const int32_t rm_val = get_wregister(rm, R31IsZR); |
2650 const int32_t ra_val = get_wregister(ra, R31IsZR); | 2650 const int32_t ra_val = get_wregister(ra, R31IsZR); |
2651 const int32_t alu_out = ra_val - (rn_val * rm_val); | 2651 const int32_t alu_out = ra_val - (rn_val * rm_val); |
2652 set_wregister(rd, alu_out, R31IsZR); | 2652 set_wregister(rd, alu_out, R31IsZR); |
2653 } | 2653 } |
2654 } else if ((instr->Bits(29, 2) == 0) && (instr->Bits(21, 3) == 2) && | 2654 } else if ((instr->Bits(29, 2) == 0) && (instr->Bits(21, 3) == 2) && |
2655 (instr->Bit(15) == 0)) { | 2655 (instr->Bit(15) == 0)) { |
2656 // Format(instr, "smulh 'rd, 'rn, 'rm"); | 2656 // Format(instr, "smulh 'rd, 'rn, 'rm"); |
2657 const int64_t rn_val = get_register(rn, R31IsZR); | 2657 const int64_t rn_val = get_register(rn, R31IsZR); |
2658 const int64_t rm_val = get_register(rm, R31IsZR); | 2658 const int64_t rm_val = get_register(rm, R31IsZR); |
| 2659 #if defined(TARGET_OS_WINDOWS) |
| 2660 // Visual Studio does not support __int128. |
| 2661 int64_t alu_out; |
| 2662 Multiply128(rn_val, rm_val, &alu_out); |
| 2663 #else |
2659 const __int128 res = | 2664 const __int128 res = |
2660 static_cast<__int128>(rn_val) * static_cast<__int128>(rm_val); | 2665 static_cast<__int128>(rn_val) * static_cast<__int128>(rm_val); |
2661 const int64_t alu_out = static_cast<int64_t>(res >> 64); | 2666 const int64_t alu_out = static_cast<int64_t>(res >> 64); |
| 2667 #endif // TARGET_OS_WINDOWS |
2662 set_register(instr, rd, alu_out, R31IsZR); | 2668 set_register(instr, rd, alu_out, R31IsZR); |
2663 } else if ((instr->Bits(29, 2) == 0) && (instr->Bits(21, 3) == 6) && | 2669 } else if ((instr->Bits(29, 2) == 0) && (instr->Bits(21, 3) == 6) && |
2664 (instr->Bit(15) == 0)) { | 2670 (instr->Bit(15) == 0)) { |
2665 // Format(instr, "umulh 'rd, 'rn, 'rm"); | 2671 // Format(instr, "umulh 'rd, 'rn, 'rm"); |
2666 const uint64_t rn_val = get_register(rn, R31IsZR); | 2672 const uint64_t rn_val = get_register(rn, R31IsZR); |
2667 const uint64_t rm_val = get_register(rm, R31IsZR); | 2673 const uint64_t rm_val = get_register(rm, R31IsZR); |
| 2674 #if defined(TARGET_OS_WINDOWS) |
| 2675 // Visual Studio does not support __int128. |
| 2676 int64_t alu_out; |
| 2677 Multiply128(rn_val, rm_val, &alu_out); |
| 2678 #else |
2668 const __int128 res = | 2679 const __int128 res = |
2669 static_cast<__int128>(rn_val) * static_cast<__int128>(rm_val); | 2680 static_cast<__int128>(rn_val) * static_cast<__int128>(rm_val); |
2670 const int64_t alu_out = static_cast<int64_t>(res >> 64); | 2681 const int64_t alu_out = static_cast<int64_t>(res >> 64); |
| 2682 #endif // TARGET_OS_WINDOWS |
2671 set_register(instr, rd, alu_out, R31IsZR); | 2683 set_register(instr, rd, alu_out, R31IsZR); |
2672 } else if ((instr->Bits(29, 3) == 4) && (instr->Bits(21, 3) == 5) && | 2684 } else if ((instr->Bits(29, 3) == 4) && (instr->Bits(21, 3) == 5) && |
2673 (instr->Bit(15) == 0)) { | 2685 (instr->Bit(15) == 0)) { |
2674 // Format(instr, "umaddl 'rd, 'rn, 'rm, 'ra"); | 2686 // Format(instr, "umaddl 'rd, 'rn, 'rm, 'ra"); |
2675 const uint64_t rn_val = static_cast<uint32_t>(get_wregister(rn, R31IsZR)); | 2687 const uint64_t rn_val = static_cast<uint32_t>(get_wregister(rn, R31IsZR)); |
2676 const uint64_t rm_val = static_cast<uint32_t>(get_wregister(rm, R31IsZR)); | 2688 const uint64_t rm_val = static_cast<uint32_t>(get_wregister(rm, R31IsZR)); |
2677 const uint64_t ra_val = get_register(ra, R31IsZR); | 2689 const uint64_t ra_val = get_register(ra, R31IsZR); |
2678 const uint64_t alu_out = ra_val + (rn_val * rm_val); | 2690 const uint64_t alu_out = ra_val + (rn_val * rm_val); |
2679 set_register(instr, rd, alu_out, R31IsZR); | 2691 set_register(instr, rd, alu_out, R31IsZR); |
2680 } else { | 2692 } else { |
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3634 set_register(NULL, CODE_REG, code); | 3646 set_register(NULL, CODE_REG, code); |
3635 set_register(NULL, PP, pp); | 3647 set_register(NULL, PP, pp); |
3636 buf->Longjmp(); | 3648 buf->Longjmp(); |
3637 } | 3649 } |
3638 | 3650 |
3639 } // namespace dart | 3651 } // namespace dart |
3640 | 3652 |
3641 #endif // !defined(USING_SIMULATOR) | 3653 #endif // !defined(USING_SIMULATOR) |
3642 | 3654 |
3643 #endif // defined TARGET_ARCH_ARM64 | 3655 #endif // defined TARGET_ARCH_ARM64 |
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