1// Copyright (c) 2007 The Hewlett-Packard Development Company
2// All rights reserved.
3//
4// Redistribution and use of this software in source and binary forms,
5// with or without modification, are permitted provided that the
6// following conditions are met:
7//
8// The software must be used only for Non-Commercial Use which means any

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56////////////////////////////////////////////////////////////////////
57//
58// Decode the one byte opcodes
59//
60
610x1: decode OPCODE_OP_TOP5 {
62 format WarnUnimpl {
63 0x00: decode OPCODE_OP_BOTTOM3 {
64 0x4: TaggedOp::add({{AddI %0 %0}}, [rAl]);
65 0x5: TaggedOp::add({{AddI %0 %0}}, [rAx]);
66 0x6: push_ES();
67 0x7: pop_ES();
68 default: MultiOp::add(
69 {{Add %0 %0 %1}},
70 OPCODE_OP_BOTTOM3,
71 [[Eb,Gb],[Ev,Gv],
72 [Gb,Eb],[Gv,Ev]]);
73 }
74 0x01: decode OPCODE_OP_BOTTOM3 {
75 0x0: or_Eb_Gb();
76 0x1: or_Ev_Gv();
77 0x2: or_Gb_Eb();
78 0x3: or_Gv_Ev();
79 0x4: or_Al_Ib();
80 0x5: or_rAX_Iz();

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121 0x3: sub_Gv_Ev();
122 0x4: sub_Al_Ib();
123 0x5: sub_rAX_Iz();
124 0x6: M5InternalError::error(
125 {{"Tried to execute the CS segment override prefix!"}});
126 0x7: das();
127 }
128 0x06: decode OPCODE_OP_BOTTOM3 {
129 0x4: TaggedOp::xor({{XorI %0 %0}}, [rAl]);
130 0x5: TaggedOp::xor({{XorI %0 %0}}, [rAx]);
131 0x6: M5InternalError::error(
132 {{"Tried to execute the SS segment override prefix!"}});
133 0x7: aaa();
134 default: MultiOp::xor(
135 {{Xor %0 %0 %1}},
136 OPCODE_OP_BOTTOM3,
137 [[Eb,Gb],[Ev,Gv],
138 [Gb,Eb],[Gv,Ev]]);
139 }
140 0x07: decode OPCODE_OP_BOTTOM3 {
141 0x0: cmp_Eb_Gb();
142 0x1: cmp_Ev_Gv();
143 0x2: cmp_Gb_Eb();
144 0x3: cmp_Gv_Ev();
145 0x4: cmp_Al_Ib();
146 0x5: cmp_rAX_Iz();

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