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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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1035 AppendToBuffer("%s", f0mnem); | 1035 AppendToBuffer("%s", f0mnem); |
1036 data += 2; | 1036 data += 2; |
1037 } else if (f0byte == 0x28) { | 1037 } else if (f0byte == 0x28) { |
1038 data += 2; | 1038 data += 2; |
1039 int mod, regop, rm; | 1039 int mod, regop, rm; |
1040 get_modrm(*data, &mod, ®op, &rm); | 1040 get_modrm(*data, &mod, ®op, &rm); |
1041 AppendToBuffer("movaps %s,%s", | 1041 AppendToBuffer("movaps %s,%s", |
1042 NameOfXMMRegister(regop), | 1042 NameOfXMMRegister(regop), |
1043 NameOfXMMRegister(rm)); | 1043 NameOfXMMRegister(rm)); |
1044 data++; | 1044 data++; |
1045 } else if (f0byte == 0x54) { | 1045 } else if (f0byte >= 0x53 && f0byte <= 0x5F) { |
| 1046 const char* const pseudo_op[] = { |
| 1047 "rcpps", |
| 1048 "andps", |
| 1049 "andnps", |
| 1050 "orps", |
| 1051 "xorps", |
| 1052 "addps", |
| 1053 "mulps", |
| 1054 "cvtps2pd", |
| 1055 "cvtdq2ps", |
| 1056 "subps", |
| 1057 "minps", |
| 1058 "divps", |
| 1059 "maxps", |
| 1060 }; |
| 1061 |
1046 data += 2; | 1062 data += 2; |
1047 int mod, regop, rm; | 1063 int mod, regop, rm; |
1048 get_modrm(*data, &mod, ®op, &rm); | 1064 get_modrm(*data, &mod, ®op, &rm); |
1049 AppendToBuffer("andps %s,%s", | 1065 AppendToBuffer("%s %s,", |
1050 NameOfXMMRegister(regop), | 1066 pseudo_op[f0byte - 0x53], |
1051 NameOfXMMRegister(rm)); | 1067 NameOfXMMRegister(regop)); |
1052 data++; | 1068 data += PrintRightXMMOperand(data); |
1053 } else if (f0byte == 0x56) { | |
1054 data += 2; | |
1055 int mod, regop, rm; | |
1056 get_modrm(*data, &mod, ®op, &rm); | |
1057 AppendToBuffer("orps %s,%s", | |
1058 NameOfXMMRegister(regop), | |
1059 NameOfXMMRegister(rm)); | |
1060 data++; | |
1061 } else if (f0byte == 0x57) { | |
1062 data += 2; | |
1063 int mod, regop, rm; | |
1064 get_modrm(*data, &mod, ®op, &rm); | |
1065 AppendToBuffer("xorps %s,%s", | |
1066 NameOfXMMRegister(regop), | |
1067 NameOfXMMRegister(rm)); | |
1068 data++; | |
1069 } else if (f0byte == 0x50) { | 1069 } else if (f0byte == 0x50) { |
1070 data += 2; | 1070 data += 2; |
1071 int mod, regop, rm; | 1071 int mod, regop, rm; |
1072 get_modrm(*data, &mod, ®op, &rm); | 1072 get_modrm(*data, &mod, ®op, &rm); |
1073 AppendToBuffer("movmskps %s,%s", | 1073 AppendToBuffer("movmskps %s,%s", |
1074 NameOfCPURegister(regop), | 1074 NameOfCPURegister(regop), |
1075 NameOfXMMRegister(rm)); | 1075 NameOfXMMRegister(rm)); |
1076 data++; | 1076 data++; |
| 1077 } else if (f0byte== 0xC6) { |
| 1078 // shufps xmm, xmm/m128, imm8 |
| 1079 data += 2; |
| 1080 int mod, regop, rm; |
| 1081 get_modrm(*data, &mod, ®op, &rm); |
| 1082 int8_t imm8 = static_cast<int8_t>(data[1]); |
| 1083 AppendToBuffer("shufps %s,%s,%d", |
| 1084 NameOfXMMRegister(rm), |
| 1085 NameOfXMMRegister(regop), |
| 1086 static_cast<int>(imm8)); |
| 1087 data += 2; |
1077 } else if ((f0byte & 0xF0) == 0x80) { | 1088 } else if ((f0byte & 0xF0) == 0x80) { |
1078 data += JumpConditional(data, branch_hint); | 1089 data += JumpConditional(data, branch_hint); |
1079 } else if (f0byte == 0xBE || f0byte == 0xBF || f0byte == 0xB6 || | 1090 } else if (f0byte == 0xBE || f0byte == 0xBF || f0byte == 0xB6 || |
1080 f0byte == 0xB7 || f0byte == 0xAF) { | 1091 f0byte == 0xB7 || f0byte == 0xAF) { |
1081 data += 2; | 1092 data += 2; |
1082 data += PrintOperands(f0mnem, REG_OPER_OP_ORDER, data); | 1093 data += PrintOperands(f0mnem, REG_OPER_OP_ORDER, data); |
1083 } else if ((f0byte & 0xF0) == 0x90) { | 1094 } else if ((f0byte & 0xF0) == 0x90) { |
1084 data += SetCC(data); | 1095 data += SetCC(data); |
1085 } else if ((f0byte & 0xF0) == 0x40) { | 1096 } else if ((f0byte & 0xF0) == 0x40) { |
1086 data += CMov(data); | 1097 data += CMov(data); |
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1751 fprintf(f, " "); | 1762 fprintf(f, " "); |
1752 } | 1763 } |
1753 fprintf(f, " %s\n", buffer.start()); | 1764 fprintf(f, " %s\n", buffer.start()); |
1754 } | 1765 } |
1755 } | 1766 } |
1756 | 1767 |
1757 | 1768 |
1758 } // namespace disasm | 1769 } // namespace disasm |
1759 | 1770 |
1760 #endif // V8_TARGET_ARCH_IA32 | 1771 #endif // V8_TARGET_ARCH_IA32 |
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