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Up to [Power 6/32 Unix Tahoe 4.2BSD] / cci / usr / src / lib / fpcc

Annotation of cci/usr/src/lib/fpcc/mac2defs, revision 1.1

1.1     ! root        1: /*     Tahoe Registers */
        !             2: 
        !             3:        /* scratch registers */
        !             4: # define R0 0
        !             5: # define R1 1
        !             6: # define R2 2
        !             7: # define R3 3
        !             8: # define R4 4
        !             9: # define R5 5
        !            10: 
        !            11:        /* register variables */
        !            12: # define R6 6
        !            13: # define R7 7
        !            14: # define R8 8
        !            15: # define R9 9
        !            16: # define R10 10
        !            17: # define R11 11
        !            18: # define R12 12
        !            19: 
        !            20:        /* special purpose */
        !            21: # define FP 13 /* frame pointer */
        !            22: # define SP 14 /* stack pointer */
        !            23: # define PC 15 /* program counter */
        !            24: 
        !            25:        /* floating registers */
        !            26: # define ACC 16        /* accumulator */
        !            27: 
        !            28: extern int fregs;
        !            29: extern int maxargs;
        !            30: 
        !            31: # define BYTEOFF(x) ((x)&03)
        !            32: # define wdal(k) (BYTEOFF(k)==0)
        !            33: # define BITOOR(x) ((x)>>3)  /* bit offset to oreg offset */
        !            34: 
        !            35: # define REGSZ 16
        !            36: 
        !            37: # define TMPREG FP
        !            38: 
        !            39: # define R2REGS   /* permit double indexing */
        !            40: 
        !            41: # define STOARG(p)     /* just evaluate the arguments, and be done with it... */
        !            42: # define STOFARG(p)
        !            43: # define STOSTARG(p)
        !            44: 
        !            45: # define NESTCALLS
        !            46: 
        !            47: # define MYREADER(p) myreader(p)
        !            48: int optim2();
        !            49: # define SIREG (SPECIAL|6)     /* indexed OREG */
        !            50: int special();
        !            51: #define callchk(p) if(p->in.op!=FORTCALL)allchk()

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