This is a collection of Intel®’ IA32® Software Developer's Manuals (URL of the day) and AMD' AMD64 Architecture Programmer's Manual together with the related specifications, application notes, white papers, and change logs. The collection aims to keep all available revisions. It was originally created by Michal Necasek, see OS/2 Museum.

If you have a public document, related to the IA32® specifications and missing from the collection, please mail it to me. The content of this URL and all sub-ULRs is available for convenient bulk download by rsync x86docs password "" (empty).

CSDB

Consumption of speculative data barrier

This instruction is a memory barrier that controls speculative execution arising from data value prediction. For more information and details of the semantics, see Consumption of Speculative Data Barrier (CSDB).

Decode for this encoding

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