Commit | Line | Data |
---|---|---|
995eb394 C |
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 NESTCALLS | |
48 | ||
49 | # define MYREADER(p) myreader(p) | |
50 | int optim2(); | |
51 | # define special(a, b) 0 |