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[smlnj] View of /sml/trunk/src/MLRISC/x86/instructions/x86instr-ext.sml
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View of /sml/trunk/src/MLRISC/x86/instructions/x86instr-ext.sml

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Revision 1053 - (download) (annotate)
Wed Feb 6 19:11:13 2002 UTC (17 years, 9 months ago) by george
File size: 577 byte(s)
   Pulled out various utility modules that were embedded in the modules
   of the register allocator. I need these modules for other purposes, but
   they are not complete enough to put into a library (just yet).
(* x86instr-ext.sml
 *
 * COPYRIGHT (c) 2000 Bell Labs, Lucent Technologies
 *
 * extensions to the x86 instruction set.
 *)

structure X86InstrExt = struct
  datatype fsz = single | double | extended

  datatype ('s, 'r, 'f, 'c) sext 
    (* push an integer value onto the H/W stack *)
    = PUSHL of 'r
    | POP of 'r

    (* FSTPS/L/T is a way of pulling things off the floating point 
     * stack and must therefore take FREG f as argument 
     *)
    | FSTPS of 'f
    | FSTPL of 'f
    | FSTPT of 'f

    | LEAVE
    | RET of 'r

    | LOCK_CMPXCHGL of ('r * 'r)

end

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