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Annotation of researchv10no/cmd/pcc1/pcc/mac2defs, revision 1.1

1.1     ! root        1: /*     VAX-11/780 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: 
        !            19:        /* special purpose */
        !            20: # define AP 12         /* argument pointer */
        !            21: # define FP 13         /* frame pointer */
        !            22: # define SP 14 /* stack pointer */
        !            23: # define PC 15 /* program counter */
        !            24: 
        !            25:        /* floating registers */
        !            26: 
        !            27:        /* there are no floating point registers on the VAX */
        !            28: 
        !            29: extern int fregs;
        !            30: extern int maxargs;
        !            31: 
        !            32: # define BYTEOFF(x) ((x)&03)
        !            33: # define wdal(k) (BYTEOFF(k)==0)
        !            34: /* # define BITOOR(x) ((x)>>3)  /* bit offset to oreg offset */
        !            35: extern long BITOOR();
        !            36: 
        !            37: # define REGSZ 16
        !            38: 
        !            39: # define TMPREG FP
        !            40: 
        !            41: # define R2REGS   /* permit double indexing */
        !            42: 
        !            43: # define STOARG(p)     /* just evaluate the arguments, and be done with it... */
        !            44: # define STOFARG(p)
        !            45: # define STOSTARG(p)
        !            46: # define genfcall(a,b) gencall(a,b)
        !            47: 
        !            48: # define NESTCALLS
        !            49: 
        !            50: # define MYREADER(p) myreader(p)
        !            51: int optim2();
        !            52: # define special(a, b) 0

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