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nice catch, wrong statement for sure, we will fix it, thanks! ... author was close in understanding of LDS/LES opcodes re-use for VEX prefix, but what happens in 32-bit is that VEX prefix, although still using LDS/LES opcodes, always ends up in unsupported forms of these instructions (those with memory operands), thanks to bit-complement encoding of some fields, hence everything is backwards compatible in 32-bit mode too
-Max
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