search for: hasadsizeprefix

Displaying 2 results from an estimated 2 matches for "hasadsizeprefix".

2009 Mar 23
2
[LLVMdev] X86InstrFormats.td Question
...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; } class DA { bits<4> Prefix = 5...
2009 Mar 23
0
[LLVMdev] X86InstrFormats.td Question
...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 D9 { bits<4> Prefix = 4; } > clas...