35 lines
798 B
Plaintext
35 lines
798 B
Plaintext
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x86 optable reference
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---------------------
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(incomplete)
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P - modrm (reg mmx)
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PR - modrm (rm mmx, mod must be 11b)
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Q - modrm (rm mmx if mod=11b else mem)
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V - modrm (reg - xmm)
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VR - modrm (rm xmm, mod must be 11b)
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W - modrm (rm xmm if mod=11b else mem)
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G - modrm (reg - gpr)
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S - modrm (reg - seg)
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VR - modrm (rm gpr, mod must be 11b)
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E - modrm (rm gpr if mod=11b else mem)
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M - modrm (mem), mod!=11b
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I - immediate
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J - relative immediate
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O - memory offset
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C - control reg
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D - debug reg
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opc <>
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/n - modrm reg field extends opcode
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/Mnn - disassembly mode extends opcode
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/Onn - operand mode extends opcode
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/mod=!11 - modrm mod field extends opcode
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