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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

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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