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| author | Hendiadyoin1 <leon.a@serenityos.org> | 2022-04-01 13:50:48 +0200 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2022-04-02 18:37:38 +0200 |
| commit | f951849fd5d720f1302b92623e4f29b8d6f1af2a (patch) | |
| tree | 212515bc3d2bc320e2669174593c24c22ffdf5bd /Userland | |
| parent | d03a6cc6c6e5e2791588f5601403cd94a872bf8c (diff) | |
| download | serenity-f951849fd5d720f1302b92623e4f29b8d6f1af2a.zip | |
LibX86: Don't print repz prefix for SSE instructions
Diffstat (limited to 'Userland')
| -rw-r--r-- | Userland/Libraries/LibX86/Instruction.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Userland/Libraries/LibX86/Instruction.cpp b/Userland/Libraries/LibX86/Instruction.cpp index acc82b06c1..4dc4d35131 100644 --- a/Userland/Libraries/LibX86/Instruction.cpp +++ b/Userland/Libraries/LibX86/Instruction.cpp @@ -1418,7 +1418,8 @@ String Instruction::to_string(u32 origin, SymbolProvider const* symbol_provider, builder.append(m_o32 ? "o32 " : "o16 "); if (has_lock_prefix()) builder.append("lock "); - if (has_rep_prefix()) + // Note: SSE instructions use these to toggle between packed and single data + if (has_rep_prefix() && !(m_descriptor->format > __SSE && m_descriptor->format < __EndFormatsWithRMByte)) builder.append(m_rep_prefix == Prefix::REPNZ ? "repnz " : "repz "); to_string_internal(builder, origin, symbol_provider, x32); return builder.to_string(); |