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Intel X86 Encoder Decoder

intelxed.github.io Software & code Software projects Computer science Candidate
Screenshot of intelxed.github.io captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 2 calendar years, with breakout response in 2 of them.

submissions
3
submitters
3
observed span
2016–2019
peak thread · 40 comments
146 pts
latest 20+ return · 2019-05-06
114 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

I wonder if this was released due to Xen's recent x86 instruction emulation bugs. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9932 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9383

Intel is releasing the source of XED but canceling IACA which is built on top of XED. Color me confused. Still, this will be useful for a lot of projects to have this piece of infrastructure for such an important CISC ISA available under an Apache license. Boring as hell, but useful. For example, ARM tests their ARM LLVM backend using a golden reference implementation. This is the MC Hammer test: encode/decode assemble/disassemble[1]. This can be the golden reference for…

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
265

reference only — not used in Hall rules or ranking

Total comments
49

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2016-12-17Intel XED open-sourcedwalterbell50
2016-12-17Intel X86 Encoder DecoderFirst breakout · Best threadluu14640
2019-05-06Intel XED – x86 Encoder DecoderLatest 20+ point returnpeter_d_sherman1149