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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 <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_ARM) | 9 #if defined(TARGET_ARCH_ARM) |
10 | 10 |
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1721 int32_t rm_val = get_register(rm); | 1721 int32_t rm_val = get_register(rm); |
1722 int32_t rs_val = get_register(rs); | 1722 int32_t rs_val = get_register(rs); |
1723 int32_t rd_val = 0; | 1723 int32_t rd_val = 0; |
1724 switch (instr->Bits(21, 3)) { | 1724 switch (instr->Bits(21, 3)) { |
1725 case 1: | 1725 case 1: |
1726 // Registers rd, rn, rm, ra are encoded as rn, rm, rs, rd. | 1726 // Registers rd, rn, rm, ra are encoded as rn, rm, rs, rd. |
1727 // Format(instr, "mla'cond's 'rn, 'rm, 'rs, 'rd"); | 1727 // Format(instr, "mla'cond's 'rn, 'rm, 'rs, 'rd"); |
1728 case 3: { | 1728 case 3: { |
1729 // Registers rd, rn, rm, ra are encoded as rn, rm, rs, rd. | 1729 // Registers rd, rn, rm, ra are encoded as rn, rm, rs, rd. |
1730 // Format(instr, "mls'cond's 'rn, 'rm, 'rs, 'rd"); | 1730 // Format(instr, "mls'cond's 'rn, 'rm, 'rs, 'rd"); |
1731 if (TargetCPUFeatures::arm_version() != ARMv7) { | |
1732 UnimplementedInstruction(instr); | |
1733 break; | |
1734 } | |
1735 rd_val = get_register(rd); | 1731 rd_val = get_register(rd); |
1736 // fall through | 1732 // fall through |
1737 } | 1733 } |
1738 case 0: { | 1734 case 0: { |
1739 // Registers rd, rn, rm are encoded as rn, rm, rs. | 1735 // Registers rd, rn, rm are encoded as rn, rm, rs. |
1740 // Format(instr, "mul'cond's 'rn, 'rm, 'rs"); | 1736 // Format(instr, "mul'cond's 'rn, 'rm, 'rs"); |
1741 int32_t alu_out = rm_val * rs_val; | 1737 int32_t alu_out = rm_val * rs_val; |
1742 if (instr->Bits(21, 3) == 3) { // mls | 1738 if (instr->Bits(21, 3) == 3) { // mls |
| 1739 if (TargetCPUFeatures::arm_version() != ARMv7) { |
| 1740 UnimplementedInstruction(instr); |
| 1741 break; |
| 1742 } |
1743 alu_out = -alu_out; | 1743 alu_out = -alu_out; |
1744 } | 1744 } |
1745 alu_out += rd_val; | 1745 alu_out += rd_val; |
1746 set_register(rn, alu_out); | 1746 set_register(rn, alu_out); |
1747 if (instr->HasS()) { | 1747 if (instr->HasS()) { |
1748 SetNZFlags(alu_out); | 1748 SetNZFlags(alu_out); |
1749 } | 1749 } |
1750 break; | 1750 break; |
1751 } | 1751 } |
1752 case 4: | 1752 case 4: |
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3873 set_register(kExceptionObjectReg, bit_cast<int32_t>(raw_exception)); | 3873 set_register(kExceptionObjectReg, bit_cast<int32_t>(raw_exception)); |
3874 set_register(kStackTraceObjectReg, bit_cast<int32_t>(raw_stacktrace)); | 3874 set_register(kStackTraceObjectReg, bit_cast<int32_t>(raw_stacktrace)); |
3875 buf->Longjmp(); | 3875 buf->Longjmp(); |
3876 } | 3876 } |
3877 | 3877 |
3878 } // namespace dart | 3878 } // namespace dart |
3879 | 3879 |
3880 #endif // !defined(HOST_ARCH_ARM) | 3880 #endif // !defined(HOST_ARCH_ARM) |
3881 | 3881 |
3882 #endif // defined TARGET_ARCH_ARM | 3882 #endif // defined TARGET_ARCH_ARM |
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