Issues

• Mips64 cross-compile fails on v4.1.1.

  zyantific/zydis#645 · Filter by author Rot127 opened on Sep 26, 2026

• Unimplemented formatter properties

  A-formatterC-bug
  zyantific/zydis#641 · Filter by author mappzor opened on Jul 22, 2026

• [AT&T] Size suffix is missing for certain instructions

  A-formatterC-bug
  zyantific/zydis#625 · Filter by author mappzor opened on May 29, 2026

• Request: guidance for adding tests

  C-question
  zyantific/zydis#588 · Filter by author hainest opened on Sep 24, 2025
  4

• Add ability to disable installation via ZYDIS_INSTALL

  A-build
  zyantific/zydis#565 · Filter by author StackOverflowExcept1on opened on Apr 25, 2025
  4

• Zydis produces invalid MASM with INTEL_MASM

  A-formatter
  zyantific/zydis#564 · Filter by author FaerHack opened on Apr 2, 2025

• Unexpected Operand in Decoder Output for Multi-byte NOP Instructions

  A-decoder
  zyantific/zydis#563 · Filter by author zouxianyu opened on Mar 29, 2025
  4

• decoded instruction size is bigger than essential

  A-decoderC-enhancement
  zyantific/zydis#554 · Filter by author laie opened on Mar 1, 2025
  8

• Speed question

  C-question
  zyantific/zydis#552 · Filter by author Nitr0-G opened on Feb 26, 2025
  2

• Decoded SQRTSS xmm1, xmm2 appears to read from xmm1

  A-decoder
  zyantific/zydis#542 · Filter by author McSinyx opened on Dec 6, 2024
  2

• Disassembly Error, missing one operand in some long multi-byte NOPs

  A-decoder
  zyantific/zydis#539 · Filter by author venkyqz opened on Nov 22, 2024

• Zydis Formats Invalid MASM With INTEL_MASM

  A-formatter
  zyantific/zydis#535 · Filter by author widberg opened on Nov 5, 2024
  2

• arm support ?

  zyantific/zydis#511 · Filter by author XMDS opened on Jun 18, 2024

• Amalgamated build should auto-define ZYDIS_STATIC_BUILD

  A-buildC-enhancement
  zyantific/zydis#498 · Filter by author ajmandourah opened on Mar 24, 2024
  5

  

• undocumented/unintended ZYDIS_FORMATTER_FUNC_POST_OPERAND behavior

  A-formatterC-bug
  zyantific/zydis#497 · Filter by author 440bx opened on Mar 15, 2024
  6

• Add [in,out] hints to Doxygen parameter strings

  A-docC-enhancementP-low
  zyantific/zydis#492 · Filter by author 440bx opened on Mar 8, 2024
  7

• Ready libraries for Windows needed.

  C-question
  zyantific/zydis#422 · Filter by author CandyMan30 opened on Mar 2, 2023
  4

• target_link_libraries(xx Zydis::Zydis) fails to find libZycore.so

  A-buildC-bug
  zyantific/zydis#420 · Filter by author yurivict opened on Feb 27, 2023

• Inconsistent meta data for some instructions with near identical signatures

  zyantific/zydis#409 · Filter by author ZehMatt opened on Dec 13, 2022

• Feature Request. Encoder from supplied string.

  C-feature
  zyantific/zydis#335 · Filter by author chrisjd20 opened on May 3, 2022
  9

• The VIA ALTINST instruction

  A-decoderC-enhancementP-low
  zyantific/zydis#295 · Filter by author tremalrik opened on Dec 17, 2021

• Encoder requires xchg to have memory operand first

  A-encoderC-bugP-medium
  zyantific/zydis#293 · Filter by author ZehMatt opened on Dec 17, 2021

• UDBGRD, UDBGWR Undocumented Instructions

  A-decoderC-enhancementP-low
  zyantific/zydis#288 · Filter by author ghost opened on Dec 15, 2021

• Discussion: Feature IFDEFs and unions/bitfields in public API structs

  A-buildC-enhancement
  zyantific/zydis#280 · Filter by author flobernd opened on Dec 7, 2021
  5

• VIA/Zhaoxin Padlock: 64-bit montmul, rep xsha512, GMI, partial decode

  A-decoderC-enhancement
  zyantific/zydis#279 · Filter by author tremalrik opened on Dec 6, 2021
  3