one_byte_opcodes.isa (4728:d60b98171bef) one_byte_opcodes.isa (4730:77e3e9b15e7e)
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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57//
58// Decode the one byte opcodes
59//
60
610x1: decode OPCODE_OP_TOP5 {
62 format WarnUnimpl {
63 0x00: decode OPCODE_OP_BOTTOM3 {
64 0x6: decode MODE_SUBMODE {
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

--- 48 unchanged lines hidden (view full) ---

57//
58// Decode the one byte opcodes
59//
60
610x1: decode OPCODE_OP_TOP5 {
62 format WarnUnimpl {
63 0x00: decode OPCODE_OP_BOTTOM3 {
64 0x6: decode MODE_SUBMODE {
65 0x0: This_should_be_an_illegal_instruction();
65 0x0: Inst::UD2();
66 default: push_ES();
67 }
68 0x7: decode MODE_SUBMODE {
66 default: push_ES();
67 }
68 0x7: decode MODE_SUBMODE {
69 0x0: This_should_be_an_illegal_instruction();
69 0x0: Inst::UD2();
70 default: pop_ES();
71 }
72 default: MultiInst::ADD(OPCODE_OP_BOTTOM3,
73 [Eb,Gb], [Ev,Gv],
74 [Gb,Eb], [Gv,Ev],
75 [rAl,Ib], [rAx,Iz]);
76 }
77 0x01: decode OPCODE_OP_BOTTOM3 {
78 0x6: decode MODE_SUBMODE {
70 default: pop_ES();
71 }
72 default: MultiInst::ADD(OPCODE_OP_BOTTOM3,
73 [Eb,Gb], [Ev,Gv],
74 [Gb,Eb], [Gv,Ev],
75 [rAl,Ib], [rAx,Iz]);
76 }
77 0x01: decode OPCODE_OP_BOTTOM3 {
78 0x6: decode MODE_SUBMODE {
79 0x0: This_should_be_an_illegal_instruction();
79 0x0: Inst::UD2();
80 default: push_CS();
81 }
82 //Any time this is seen, it should generate a two byte opcode
83 0x7: M5InternalError::error(
84 {{"Saw a one byte opcode whose value was 0x0F!"}});
85 default: MultiInst::OR(OPCODE_OP_BOTTOM3,
86 [Eb,Gb], [Ev,Gv],
87 [Gb,Eb], [Gv,Ev],
88 [rAl,Ib], [rAx,Iz]);
89 }
90 0x02: decode OPCODE_OP_BOTTOM3 {
91 0x6: decode MODE_SUBMODE {
80 default: push_CS();
81 }
82 //Any time this is seen, it should generate a two byte opcode
83 0x7: M5InternalError::error(
84 {{"Saw a one byte opcode whose value was 0x0F!"}});
85 default: MultiInst::OR(OPCODE_OP_BOTTOM3,
86 [Eb,Gb], [Ev,Gv],
87 [Gb,Eb], [Gv,Ev],
88 [rAl,Ib], [rAx,Iz]);
89 }
90 0x02: decode OPCODE_OP_BOTTOM3 {
91 0x6: decode MODE_SUBMODE {
92 0x0: This_should_be_an_illegal_instruction();
92 0x0: Inst::UD2();
93 default: push_SS();
94 }
95 0x7: decode MODE_SUBMODE {
93 default: push_SS();
94 }
95 0x7: decode MODE_SUBMODE {
96 0x0: This_should_be_an_illegal_instruction();
96 0x0: Inst::UD2();
97 default: pop_SS();
98 }
99 default: MultiInst::ADC(OPCODE_OP_BOTTOM3,
100 [Eb,Gb], [Ev,Gv],
101 [Gb,Eb], [Gv,Ev],
102 [rAl,Ib], [rAx,Iz]);
103 }
104 0x03: decode OPCODE_OP_BOTTOM3 {
105 0x6: decode MODE_SUBMODE {
97 default: pop_SS();
98 }
99 default: MultiInst::ADC(OPCODE_OP_BOTTOM3,
100 [Eb,Gb], [Ev,Gv],
101 [Gb,Eb], [Gv,Ev],
102 [rAl,Ib], [rAx,Iz]);
103 }
104 0x03: decode OPCODE_OP_BOTTOM3 {
105 0x6: decode MODE_SUBMODE {
106 0x0: This_should_be_an_illegal_instruction();
106 0x0: Inst::UD2();
107 default: push_DS();
108 }
109 0x7: decode MODE_SUBMODE {
107 default: push_DS();
108 }
109 0x7: decode MODE_SUBMODE {
110 0x0: This_should_be_an_illegal_instruction();
110 0x0: Inst::UD2();
111 default: pop_DS();
112 }
113 default: MultiInst::SBB(OPCODE_OP_BOTTOM3,
114 [Eb,Gb], [Ev,Gv],
115 [Gb,Eb], [Gv,Ev],
116 [rAl,Ib], [rAx,Iz]);
117 }
118 0x04: decode OPCODE_OP_BOTTOM3 {
119 0x6: M5InternalError::error(
120 {{"Tried to execute the ES segment override prefix!"}});
121 0x7: decode MODE_SUBMODE {
111 default: pop_DS();
112 }
113 default: MultiInst::SBB(OPCODE_OP_BOTTOM3,
114 [Eb,Gb], [Ev,Gv],
115 [Gb,Eb], [Gv,Ev],
116 [rAl,Ib], [rAx,Iz]);
117 }
118 0x04: decode OPCODE_OP_BOTTOM3 {
119 0x6: M5InternalError::error(
120 {{"Tried to execute the ES segment override prefix!"}});
121 0x7: decode MODE_SUBMODE {
122 0x0: This_should_be_an_illegal_instruction();
122 0x0: Inst::UD2();
123 default: daa();
124 }
125 default: MultiInst::AND(OPCODE_OP_BOTTOM3,
126 [Eb,Gb], [Ev,Gv],
127 [Gb,Eb], [Gv,Ev],
128 [rAl,Ib], [rAx,Iz]);
129 }
130 0x05: decode OPCODE_OP_BOTTOM3 {

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135 [Eb,Gb], [Ev,Gv],
136 [Gb,Eb], [Gv,Ev],
137 [rAl,Ib], [rAx,Iz]);
138 }
139 0x06: decode OPCODE_OP_BOTTOM3 {
140 0x6: M5InternalError::error(
141 {{"Tried to execute the SS segment override prefix!"}});
142 0x7: decode MODE_SUBMODE {
123 default: daa();
124 }
125 default: MultiInst::AND(OPCODE_OP_BOTTOM3,
126 [Eb,Gb], [Ev,Gv],
127 [Gb,Eb], [Gv,Ev],
128 [rAl,Ib], [rAx,Iz]);
129 }
130 0x05: decode OPCODE_OP_BOTTOM3 {

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135 [Eb,Gb], [Ev,Gv],
136 [Gb,Eb], [Gv,Ev],
137 [rAl,Ib], [rAx,Iz]);
138 }
139 0x06: decode OPCODE_OP_BOTTOM3 {
140 0x6: M5InternalError::error(
141 {{"Tried to execute the SS segment override prefix!"}});
142 0x7: decode MODE_SUBMODE {
143 0x0: This_should_be_an_illegal_instruction();
143 0x0: Inst::UD2();
144 default: aaa();
145 }
146 default: MultiInst::XOR(OPCODE_OP_BOTTOM3,
147 [Eb,Gb], [Ev,Gv],
148 [Gb,Eb], [Gv,Ev],
149 [rAl,Ib], [rAx,Iz]);
150 }
151 0x07: decode OPCODE_OP_BOTTOM3 {
152 0x6: M5InternalError::error(
153 {{"Tried to execute the DS segment override prefix!"}});
154 0x7: decode MODE_SUBMODE {
144 default: aaa();
145 }
146 default: MultiInst::XOR(OPCODE_OP_BOTTOM3,
147 [Eb,Gb], [Ev,Gv],
148 [Gb,Eb], [Gv,Ev],
149 [rAl,Ib], [rAx,Iz]);
150 }
151 0x07: decode OPCODE_OP_BOTTOM3 {
152 0x6: M5InternalError::error(
153 {{"Tried to execute the DS segment override prefix!"}});
154 0x7: decode MODE_SUBMODE {
155 0x0: This_should_be_an_illegal_instruction();
155 0x0: Inst::UD2();
156 default: aas();
157 }
158 default: MultiInst::CMP(OPCODE_OP_BOTTOM3,
159 [Eb,Gb], [Ev,Gv],
160 [Gb,Eb], [Gv,Ev],
161 [rAl,Ib], [rAx,Iz]);
162 }
163 0x08: decode MODE_SUBMODE {

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171 default: Inst::DEC(B);
172 }
173 format Inst {
174 0x0A: PUSH(B);
175 0x0B: POP(B);
176 }
177 0x0C: decode OPCODE_OP_BOTTOM3 {
178 0x0: decode MODE_SUBMODE {
156 default: aas();
157 }
158 default: MultiInst::CMP(OPCODE_OP_BOTTOM3,
159 [Eb,Gb], [Ev,Gv],
160 [Gb,Eb], [Gv,Ev],
161 [rAl,Ib], [rAx,Iz]);
162 }
163 0x08: decode MODE_SUBMODE {

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171 default: Inst::DEC(B);
172 }
173 format Inst {
174 0x0A: PUSH(B);
175 0x0B: POP(B);
176 }
177 0x0C: decode OPCODE_OP_BOTTOM3 {
178 0x0: decode MODE_SUBMODE {
179 0x0: This_should_be_an_illegal_instruction();
179 0x0: Inst::UD2();
180 default: pusha();
181 }
182 0x1: decode MODE_SUBMODE {
180 default: pusha();
181 }
182 0x1: decode MODE_SUBMODE {
183 0x0: This_should_be_an_illegal_instruction();
183 0x0: Inst::UD2();
184 default: popa();
185 }
186 0x2: decode MODE_SUBMODE {
184 default: popa();
185 }
186 0x2: decode MODE_SUBMODE {
187 0x0: This_should_be_an_illegal_instruction();
187 0x0: Inst::UD2();
188 default: bound_Gv_Ma();
189 }
190 0x3: decode MODE_SUBMODE {
191 0x0: Inst::MOVSXD(Gv,Ed);
192 default: arpl_Ew_Gw();
193 }
194 0x4: M5InternalError::error(
195 {{"Tried to execute the FS segment override prefix!"}});

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252 0x2: ADC(Ev,Iz);
253 0x3: SBB(Ev,Iz);
254 0x4: AND(Ev,Iz);
255 0x5: SUB(Ev,Iz);
256 0x6: XOR(Ev,Iz);
257 0x7: CMP(Ev,Iz);
258 }
259 0x2: decode MODE_SUBMODE {
188 default: bound_Gv_Ma();
189 }
190 0x3: decode MODE_SUBMODE {
191 0x0: Inst::MOVSXD(Gv,Ed);
192 default: arpl_Ew_Gw();
193 }
194 0x4: M5InternalError::error(
195 {{"Tried to execute the FS segment override prefix!"}});

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252 0x2: ADC(Ev,Iz);
253 0x3: SBB(Ev,Iz);
254 0x4: AND(Ev,Iz);
255 0x5: SUB(Ev,Iz);
256 0x6: XOR(Ev,Iz);
257 0x7: CMP(Ev,Iz);
258 }
259 0x2: decode MODE_SUBMODE {
260 0x0: WarnUnimpl::This_should_be_an_illegal_instruction();
260 0x0: UD2();
261 //default: group1_Eb_Ib();
262 default: decode MODRM_REG {
263 0x0: ADD(Eb,Ib);
264 0x1: OR(Eb,Ib);
265 0x2: ADC(Eb,Ib);
266 0x3: SBB(Eb,Ib);
267 0x4: AND(Eb,Ib);
268 0x5: SUB(Eb,Ib);

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276 0x1: OR(Ev,Ib);
277 0x2: ADC(Ev,Ib);
278 0x3: SBB(Ev,Ib);
279 0x4: AND(Ev,Ib);
280 0x5: SUB(Ev,Ib);
281 0x6: XOR(Ev,Ib);
282 0x7: CMP(Ev,Ib);
283 }
261 //default: group1_Eb_Ib();
262 default: decode MODRM_REG {
263 0x0: ADD(Eb,Ib);
264 0x1: OR(Eb,Ib);
265 0x2: ADC(Eb,Ib);
266 0x3: SBB(Eb,Ib);
267 0x4: AND(Eb,Ib);
268 0x5: SUB(Eb,Ib);

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276 0x1: OR(Ev,Ib);
277 0x2: ADC(Ev,Ib);
278 0x3: SBB(Ev,Ib);
279 0x4: AND(Ev,Ib);
280 0x5: SUB(Ev,Ib);
281 0x6: XOR(Ev,Ib);
282 0x7: CMP(Ev,Ib);
283 }
284 0x4: Inst::TEST(Eb,Gb);
285 0x5: Inst::TEST(Ev,Gv);
284 }
286 }
285 0x4: Inst::TEST(Eb,Gb);
286 0x5: Inst::TEST(Ev,Gv);
287 0x6: xchg_Eb_Gb();
288 0x7: xchg_Ev_Gv();
289 }
290 0x11: decode OPCODE_OP_BOTTOM3 {
291 0x0: Inst::MOV(Eb,Gb);
292 0x1: Inst::MOV(Ev,Gv);
293 0x2: Inst::MOV(Gb,Eb);
294 0x3: Inst::MOV(Gv,Ev);

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300 0x12: decode OPCODE_OP_BOTTOM3 {
301 0x0: Inst::NOP(); //XXX repe makes this a "pause"
302 default: xchg_B_rAX();
303 }
304 0x13: decode OPCODE_OP_BOTTOM3 {
305 0x0: cbw_or_cwde_or_cdqe_rAX();
306 0x1: cwd_or_cdq_or_cqo_rAX_rDX();
307 0x2: decode MODE_SUBMODE {
287 0x6: xchg_Eb_Gb();
288 0x7: xchg_Ev_Gv();
289 }
290 0x11: decode OPCODE_OP_BOTTOM3 {
291 0x0: Inst::MOV(Eb,Gb);
292 0x1: Inst::MOV(Ev,Gv);
293 0x2: Inst::MOV(Gb,Eb);
294 0x3: Inst::MOV(Gv,Ev);

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300 0x12: decode OPCODE_OP_BOTTOM3 {
301 0x0: Inst::NOP(); //XXX repe makes this a "pause"
302 default: xchg_B_rAX();
303 }
304 0x13: decode OPCODE_OP_BOTTOM3 {
305 0x0: cbw_or_cwde_or_cdqe_rAX();
306 0x1: cwd_or_cdq_or_cqo_rAX_rDX();
307 0x2: decode MODE_SUBMODE {
308 0x0: This_should_be_an_illegal_instruction();
308 0x0: Inst::UD2();
309 default: call_Ap();
310 }
311 0x3: fwait(); //aka wait
312 0x4: pushf_Fv();
313 0x5: popf_Fv();
314 //Both of these should be illegal only if CPUID.AHF64=0,
315 //according to sandpile.org
316 0x6: decode MODE_SUBMODE {
309 default: call_Ap();
310 }
311 0x3: fwait(); //aka wait
312 0x4: pushf_Fv();
313 0x5: popf_Fv();
314 //Both of these should be illegal only if CPUID.AHF64=0,
315 //according to sandpile.org
316 0x6: decode MODE_SUBMODE {
317 0x0: This_should_be_an_illegal_instruction();
317 0x0: Inst::UD2();
318 default: sahf();
319 }
320 0x7: decode MODE_SUBMODE {
318 default: sahf();
319 }
320 0x7: decode MODE_SUBMODE {
321 0x0: This_should_be_an_illegal_instruction();
321 0x0: Inst::UD2();
322 default: lahf();
323 }
324 }
325 0x14: decode OPCODE_OP_BOTTOM3 {
326 0x0: mov_Al_Ob();
327 0x1: mov_rAX_Ov();
328 0x2: mov_Ob_Al();
329 0x3: mov_Ov_rAX();

--- 44 unchanged lines hidden (view full) ---

374 0x4: Inst::SAL(Ev,Ib);
375 0x5: shr_Ev_Ib();
376 0x6: Inst::SAL(Ev,Ib);
377 0x7: sar_Ev_Ib();
378 }
379 0x2: ret_near_Iw();
380 0x3: Inst::RET_NEAR();
381 0x4: decode MODE_SUBMODE {
322 default: lahf();
323 }
324 }
325 0x14: decode OPCODE_OP_BOTTOM3 {
326 0x0: mov_Al_Ob();
327 0x1: mov_rAX_Ov();
328 0x2: mov_Ob_Al();
329 0x3: mov_Ov_rAX();

--- 44 unchanged lines hidden (view full) ---

374 0x4: Inst::SAL(Ev,Ib);
375 0x5: shr_Ev_Ib();
376 0x6: Inst::SAL(Ev,Ib);
377 0x7: sar_Ev_Ib();
378 }
379 0x2: ret_near_Iw();
380 0x3: Inst::RET_NEAR();
381 0x4: decode MODE_SUBMODE {
382 0x0: This_should_be_an_illegal_instruction();
382 0x0: Inst::UD2();
383 default: les_Gz_Mp();
384 }
385 0x5: decode MODE_SUBMODE {
383 default: les_Gz_Mp();
384 }
385 0x5: decode MODE_SUBMODE {
386 0x0: This_should_be_an_illegal_instruction();
386 0x0: Inst::UD2();
387 default: lds_Gz_Mp();
388 }
389 //0x6: group12_Eb_Ib();
390 0x6: decode MODRM_REG {
391 0x0: Inst::MOV(Eb,Ib);
392 }
393 //0x7: group12_Ev_Iz();
394 0x7: decode MODRM_REG {
395 0x0: Inst::MOV(Ev,Iz);
396 }
397 }
398 0x19: decode OPCODE_OP_BOTTOM3 {
399 0x0: enter_Iw_Ib();
400 0x1: leave();
401 0x2: ret_far_Iw();
402 0x3: ret_far();
403 0x4: int3();
404 0x5: int_Ib();
405 0x6: decode MODE_SUBMODE {
387 default: lds_Gz_Mp();
388 }
389 //0x6: group12_Eb_Ib();
390 0x6: decode MODRM_REG {
391 0x0: Inst::MOV(Eb,Ib);
392 }
393 //0x7: group12_Ev_Iz();
394 0x7: decode MODRM_REG {
395 0x0: Inst::MOV(Ev,Iz);
396 }
397 }
398 0x19: decode OPCODE_OP_BOTTOM3 {
399 0x0: enter_Iw_Ib();
400 0x1: leave();
401 0x2: ret_far_Iw();
402 0x3: ret_far();
403 0x4: int3();
404 0x5: int_Ib();
405 0x6: decode MODE_SUBMODE {
406 0x0: This_should_be_an_illegal_instruction();
406 0x0: Inst::UD2();
407 default: into();
408 }
409 0x7: iret();
410 }
411 0x1A: decode OPCODE_OP_BOTTOM3 {
412 0x0: group2_Eb_1();
413 0x1: group2_Ev_1();
414 0x2: group2_Eb_Cl();
415 0x3: group2_Ev_Cl();
416 0x4: decode MODE_SUBMODE {
407 default: into();
408 }
409 0x7: iret();
410 }
411 0x1A: decode OPCODE_OP_BOTTOM3 {
412 0x0: group2_Eb_1();
413 0x1: group2_Ev_1();
414 0x2: group2_Eb_Cl();
415 0x3: group2_Ev_Cl();
416 0x4: decode MODE_SUBMODE {
417 0x0: This_should_be_an_illegal_instruction();
417 0x0: Inst::UD2();
418 default: aam_Ib();
419 }
420 0x5: decode MODE_SUBMODE {
418 default: aam_Ib();
419 }
420 0x5: decode MODE_SUBMODE {
421 0x0: This_should_be_an_illegal_instruction();
421 0x0: Inst::UD2();
422 default: aad_Ib();
423 }
424 0x6: decode MODE_SUBMODE {
422 default: aad_Ib();
423 }
424 0x6: decode MODE_SUBMODE {
425 0x0: This_should_be_an_illegal_instruction();
425 0x0: Inst::UD2();
426 default: salc();
427 }
428 0x7: xlat();
429 }
430 0x1B: decode OPCODE_OP_BOTTOM3 {
431 0x0: esc0();
432 0x1: esc1();
433 0x2: esc2();

--- 10 unchanged lines hidden (view full) ---

444 0x3: jcxz_or_jecx_or_jrcx();
445 0x4: in_Al_Ib();
446 0x5: in_eAX_Ib();
447 0x6: out_Ib_Al();
448 0x7: out_Ib_eAX();
449 }
450 0x1D: decode OPCODE_OP_BOTTOM3 {
451 0x0: Inst::CALL_NEAR(Jz);
426 default: salc();
427 }
428 0x7: xlat();
429 }
430 0x1B: decode OPCODE_OP_BOTTOM3 {
431 0x0: esc0();
432 0x1: esc1();
433 0x2: esc2();

--- 10 unchanged lines hidden (view full) ---

444 0x3: jcxz_or_jecx_or_jrcx();
445 0x4: in_Al_Ib();
446 0x5: in_eAX_Ib();
447 0x6: out_Ib_Al();
448 0x7: out_Ib_eAX();
449 }
450 0x1D: decode OPCODE_OP_BOTTOM3 {
451 0x0: Inst::CALL_NEAR(Jz);
452 0x1: jmp_Jz();
452 0x1: Inst::JMP(Jz);
453 0x2: decode MODE_SUBMODE {
453 0x2: decode MODE_SUBMODE {
454 0x0: This_should_be_an_illegal_instruction();
454 0x0: Inst::UD2();
455 default: jmp_Ap();
456 }
457 0x3: Inst::JMP(Jb);
458 0x4: in_Al_Dx();
459 0x5: in_eAX_Dx();
460 0x6: out_Dx_Al();
461 0x7: out_Dx_eAX();
462 }

--- 12 unchanged lines hidden (view full) ---

475 }
476 0x1F: decode OPCODE_OP_BOTTOM3 {
477 0x0: clc();
478 0x1: stc();
479 0x2: cli();
480 0x3: sti();
481 0x4: cld();
482 0x5: std();
455 default: jmp_Ap();
456 }
457 0x3: Inst::JMP(Jb);
458 0x4: in_Al_Dx();
459 0x5: in_eAX_Dx();
460 0x6: out_Dx_Al();
461 0x7: out_Dx_eAX();
462 }

--- 12 unchanged lines hidden (view full) ---

475 }
476 0x1F: decode OPCODE_OP_BOTTOM3 {
477 0x0: clc();
478 0x1: stc();
479 0x2: cli();
480 0x3: sti();
481 0x4: cld();
482 0x5: std();
483 0x6: group4();
483 //0x6: group4();
484 0x6: decode MODRM_REG {
485 0x0: Inst::INC(Eb);
486 0x1: Inst::DEC(Eb);
487 default: Inst::UD2();
488 }
484 //0x7: group5();
485 0x7: decode MODRM_REG {
486 0x0: Inst::INC(Ev);
489 //0x7: group5();
490 0x7: decode MODRM_REG {
491 0x0: Inst::INC(Ev);
487 0x1: dev_Ev();
492 0x1: Inst::DEC(Ev);
488 0x2: call_Ev();
489 0x3: call_Mp();
490 0x4: jmp_Ev();
491 0x5: jmp_Mp();
492 0x6: push_Ev();
493 0x2: call_Ev();
494 0x3: call_Mp();
495 0x4: jmp_Ev();
496 0x5: jmp_Mp();
497 0x6: push_Ev();
493 0x7: WarnUnimpl::This_should_be_an_illegal_instruction();
498 0x7: Inst::UD2();
494 }
495 }
496 }
497 default: FailUnimpl::oneByteOps();
498}
499 }
500 }
501 }
502 default: FailUnimpl::oneByteOps();
503}