projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 2d51fd36 TL |
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 | ||
| 36 | # define REGSZ 16 | |
| 37 | ||
| 38 | # define TMPREG FP | |
| 39 | ||
| 40 | # define R2REGS /* permit double indexing */ | |
| 41 | ||
| 42 | # define STOARG(p) /* just evaluate the arguments, and be done with it... */ | |
| 43 | # define STOFARG(p) | |
| 44 | # define STOSTARG(p) | |
| 45 | # define genfcall(a,b) gencall(a,b) | |
| 46 | ||
| 47 | # define NESTCALL | |
| 48 | ||
| 49 | # define MYREADER(p) walkf(p, optim2) | |
| 50 | int optim2(); | |
| 51 | # define special(a, b) 0 |