search for: autopad

Displaying 3 results from an estimated 3 matches for "autopad".

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2020 Mar 24
3
Status of Intel JCC Mitigations and Next Steps
...ng the automagic interpretation.  Implementing the automatic assembler variant for prefix and immediate padding adds substantial complexity and I would very much like not to bother with if I don't have to. Current implementation details We have support in the integrated assembler only for autopadding suppression.  This allows a LLVM based compiler to effectively apply padding selectively.  In particular, we've instrumented lowering from MI to MC (X86MCInstLowering.cpp) to selectively disable padding around constructs which are thought to be problematic.  We do not have an agreed up...
2020 Mar 25
3
Status of Intel JCC Mitigations and Next Steps
...Implementing the automatic assembler variant for prefix > and immediate padding adds substantial complexity and I would very much > like not to bother with if I don't have to. > > > > Current implementation details > > We have support in the integrated assembler only for autopadding > suppression. This allows a LLVM based compiler to effectively apply > padding selectively. In particular, we've instrumented lowering from MI to > MC (X86MCInstLowering.cpp) to selectively disable padding around constructs > which are thought to be problematic. We do not ha...
2020 Mar 25
2
Status of Intel JCC Mitigations and Next Steps
...ming the automagic interpretation. Implementing the automatic assembler variant for prefix and immediate padding adds substantial complexity and I would very much like not to bother with if I don't have to. Current implementation details We have support in the integrated assembler only for autopadding suppression. This allows a LLVM based compiler to effectively apply padding selectively. In particular, we've instrumented lowering from MI to MC (X86MCInstLowering.cpp) to selectively disable padding around constructs which are thought to be problematic. We do not have an agreed upon sy...