X86-64 Instruction Encoding: Revision history

6 July 2012

• curprev 23:4423:44, 6 July 2012‎ osdev>Virtlink‎ 45,225 bytes +170‎ →‎64-bit addressing
• curprev 23:3723:37, 6 July 2012‎ osdev>Virtlink‎ 45,055 bytes +17‎ →‎64-bit addressing
• curprev 23:3623:36, 6 July 2012‎ osdev>Virtlink‎ m 45,038 bytes −2‎ →‎64-bit addressing
• curprev 23:3623:36, 6 July 2012‎ osdev>Virtlink‎ m 45,040 bytes +27‎ →‎64-bit addressing: Fix link
• curprev 23:3523:35, 6 July 2012‎ osdev>Virtlink‎ 45,013 bytes +1,170‎ →‎64-bit addressing: Table layout and paragraph about RIP-relative
• curprev 23:2923:29, 6 July 2012‎ osdev>Virtlink‎ 43,843 bytes +24‎ No edit summary
• curprev 23:1323:13, 6 July 2012‎ osdev>Virtlink‎ 43,819 bytes −5‎ →‎64-bit addressing: Small fix
• curprev 17:0517:05, 6 July 2012‎ osdev>Virtlink‎ 43,824 bytes −57‎ →‎64-bit addressing
• curprev 16:5716:57, 6 July 2012‎ osdev>Virtlink‎ 43,881 bytes +1,872‎ →‎16-bit addressing: Added info on 8-bit addressing, expanded on 16-bit with REX
• curprev 16:2416:24, 6 July 2012‎ osdev>Virtlink‎ 42,009 bytes −308‎ Partial rollback of rollback
• curprev 16:2316:23, 6 July 2012‎ osdev>Virtlink‎ m 42,317 bytes −1,974‎ Reverted edits by Virtlink (talk) to last revision by Computafreak
• curprev 16:2016:20, 6 July 2012‎ osdev>Virtlink‎ 44,291 bytes +2,282‎ →‎16-bit addressing

26 April 2012

• curprev 15:2515:25, 26 April 2012‎ osdev>Virtlink‎ 42,009 bytes −308‎ →‎Operand-size and address-size override prefix: Simplified the prefix table

12 September 2011

• curprev 16:3716:37, 12 September 2011‎ osdev>Virtlink‎ m 42,317 bytes 0‎ X86 Instruction Encoding moved to X86-64 Instruction Encoding: Describes the content better.

20 December 2009

• curprev 15:5715:57, 20 December 2009‎ osdev>Computafreak‎ m 42,317 bytes +26‎ →‎LOCK prefix
• curprev 14:1714:17, 20 December 2009‎ Combuster talk contribs‎ 42,291 bytes −36‎ Removed links around x86 register names / Reduction of wanted pages

18 August 2009

• curprev 22:2722:27, 18 August 2009‎ osdev>Virtlink‎ m 42,327 bytes −16‎ →‎REX.r: linkfix

16 August 2009

• curprev 22:5722:57, 16 August 2009‎ osdev>Virtlink‎ 42,343 bytes +23,838‎ →‎64-bit addressing: + tables
• curprev 22:0422:04, 16 August 2009‎ osdev>Virtlink‎ 18,505 bytes +302‎ →‎Branch taken/not taken prefixes

27 July 2009

• curprev 19:1519:15, 27 July 2009‎ osdev>Tantrikwizard‎ m 18,203 bytes −115‎ Reverted edits by Combuster (Talk); changed back to last version by Virtlink

7 April 2009

• curprev 14:5514:55, 7 April 2009‎ Combuster talk contribs‎ 18,318 bytes +115‎ →‎External References

27 October 2008

• curprev 13:1613:16, 27 October 2008‎ osdev>Virtlink‎ m 18,203 bytes −2‎ →‎REX prefix
• curprev 13:1613:16, 27 October 2008‎ osdev>Virtlink‎ m 18,205 bytes −2‎ →‎ModR/M
• curprev 13:1613:16, 27 October 2008‎ osdev>Virtlink‎ m 18,207 bytes −2‎ →‎SIB
• curprev 13:1613:16, 27 October 2008‎ osdev>Virtlink‎ m 18,209 bytes +1‎ →‎Immediate: typo

25 July 2008

• curprev 21:2021:20, 25 July 2008‎ osdev>Virtlink‎ m 18,208 bytes +8‎ →‎32-bit addressing: fix tables
• curprev 21:1721:17, 25 July 2008‎ osdev>Virtlink‎ m 18,200 bytes +8‎ →‎16-bit addressing: fix table
• curprev 21:1721:17, 25 July 2008‎ osdev>Virtlink‎ m 18,192 bytes 0‎ →‎SIB: fix table
• curprev 21:1521:15, 25 July 2008‎ osdev>Virtlink‎ m 18,192 bytes 0‎ →‎Registers: table fix
• curprev 19:4719:47, 25 July 2008‎ osdev>Virtlink‎ 18,192 bytes +578‎ →‎Operand-size and address-size override prefix
• curprev 19:4119:41, 25 July 2008‎ osdev>Virtlink‎ 17,614 bytes −911‎ →‎32-bit addressing: fix tables
• curprev 19:3719:37, 25 July 2008‎ osdev>Virtlink‎ 18,525 bytes −445‎ →‎16-bit addressing: fix table
• curprev 19:3519:35, 25 July 2008‎ osdev>Virtlink‎ 18,970 bytes −100‎ →‎SIB: fix table
• curprev 19:2619:26, 25 July 2008‎ osdev>Virtlink‎ 19,070 bytes −541‎ →‎Registers: table fix
• curprev 19:2519:25, 25 July 2008‎ osdev>Virtlink‎ 19,611 bytes −365‎ →‎Operand-size and address-size override prefix: table fix
• curprev 14:3214:32, 25 July 2008‎ osdev>Virtlink‎ 19,976 bytes −72‎ →‎16-bit addressing: fix 16-bit addressing

23 July 2008

• curprev 00:1400:14, 23 July 2008‎ osdev>Virtlink‎ m 20,048 bytes +5‎ →‎Displacement
• curprev 00:1000:10, 23 July 2008‎ osdev>Virtlink‎ m 20,043 bytes +250‎ →‎SIB: cleanup
• curprev 00:0500:05, 23 July 2008‎ osdev>Virtlink‎ 19,793 bytes −198‎ →‎General Overview: cleanup
• curprev 00:0100:01, 23 July 2008‎ osdev>Virtlink‎ m 19,991 bytes −23‎ →‎Operand-size and address-size override prefix
• curprev 00:0100:01, 23 July 2008‎ osdev>Virtlink‎ 20,014 bytes +1,842‎ →‎ModR/M: + registers table

22 July 2008

• curprev 23:5723:57, 22 July 2008‎ osdev>Virtlink‎ 18,172 bytes −20‎ →‎REX prefix
• curprev 23:5523:55, 22 July 2008‎ osdev>Virtlink‎ 18,192 bytes +32‎ →‎ModR/M
• curprev 23:5523:55, 22 July 2008‎ osdev>Virtlink‎ 18,160 bytes +103‎ →‎REX prefix
• curprev 23:4423:44, 22 July 2008‎ osdev>Virtlink‎ m 18,057 bytes +93‎ →‎ModR/M
• curprev 23:3023:30, 22 July 2008‎ osdev>Virtlink‎ 17,964 bytes +453‎ →‎ModR/M: clarification

21 July 2008

• curprev 23:2823:28, 21 July 2008‎ osdev>Virtlink‎ 17,511 bytes +8‎ →‎32-bit addressing: fixed mod 11 registers to 32-bit and special SSE
• curprev 23:2623:26, 21 July 2008‎ osdev>Virtlink‎ 17,503 bytes −56‎ →‎16-bit addressing: Fixed mod 11 registers to 8-bit and 16-bit

16 July 2008

• curprev 13:1113:11, 16 July 2008‎ osdev>Virtlink‎ 17,559 bytes +17,559‎ New page: This article describes how X86 and X86-64 instructions are encoded. == General Overview == An X86 instruction may be at most 15 bytes in length. It consists of the following components i...