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X86-64 Instruction Encoding: Difference between revisions
→Registers: Renamed x87 to ST
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(→Registers: Renamed x87 to ST) |
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! X.Reg!! 8-bit GP!! 16-bit GP!! 32-bit GP!! 64-bit GP!! 80-bit x87!! 64-bit MMX!! 128-bit XMM!! 256-bit YMM!! 16-bit Segment!! 32-bit Control!! 32-bit Debug
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| b0.000 (0)||AL||AX||EAX||RAX||
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| b0.001 (1)||CL||CX||ECX||RCX||
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| b0.010 (2)||DL||DX||EDX||RDX||
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| b0.011 (3)||BL||BX||EBX||RBX||
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| b0.100 (4)||AH, SPL<span style="vertical-align: super">[[#Table1Note1|1]]</span>||SP||ESP||RSP||
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| b0.101 (5)||CH, BPL<span style="vertical-align: super">[[#Table1Note1|1]]</span>||BP||EBP||RBP||
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| b0.110 (6)||DH, SIL<span style="vertical-align: super">[[#Table1Note1|1]]</span>||SI||ESI||RSI||
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| b0.111 (7)||BH, DIL<span style="vertical-align: super">[[#Table1Note1|1]]</span>||DI||EDI||RDI||
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| b1.000 (8)||R8L||R8W||R8D||R8||-||MMX0||XMM8||YMM8||ES||CR8||DR8
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