Displaying 2 results from an estimated 2 matches for "hasopsizeprefix".
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hasadsizeprefix
2009 Mar 23
2
[LLVMdev] X86InstrFormats.td Question
...x.
//
Where are these prefix names coming from? I can't find any mention of them in
the Intel literature.
Also, there's this curious table:
// Prefix byte classes which are used to indicate to the ad-hoc machine code
// emitter that various prefix bytes are required.
class OpSize { bit hasOpSizePrefix = 1; }
class AdSize { bit hasAdSizePrefix = 1; }
class REX_W { bit hasREX_WPrefix = 1; }
class LOCK { bit hasLockPrefix = 1; }
class TB { bits<4> Prefix = 1; }
class REP { bits<4> Prefix = 2; }
class D8 { bits<4> Prefix = 3; }
class D9 { bits<4> Prefix = 4;...
2009 Mar 23
0
[LLVMdev] X86InstrFormats.td Question
...come from the fact that the SSSE3 instructions begin with 0F 38
or 0F 3A.
>
> Also, there's this curious table:
>
> // Prefix byte classes which are used to indicate to the ad-hoc
> machine code
> // emitter that various prefix bytes are required.
> class OpSize { bit hasOpSizePrefix = 1; }
> class AdSize { bit hasAdSizePrefix = 1; }
> class REX_W { bit hasREX_WPrefix = 1; }
> class LOCK { bit hasLockPrefix = 1; }
> class TB { bits<4> Prefix = 1; }
> class REP { bits<4> Prefix = 2; }
> class D8 { bits<4> Prefix = 3; }
> class...