1*1fa48748Sralph /* mac2defs.h 4.1 85/03/19 */ 2*1fa48748Sralph 3*1fa48748Sralph /* 4*1fa48748Sralph * VAX-11/780 Registers 5*1fa48748Sralph */ 6*1fa48748Sralph 7*1fa48748Sralph /* 8*1fa48748Sralph * Scratch registers 9*1fa48748Sralph */ 10*1fa48748Sralph #define R0 0 11*1fa48748Sralph #define R1 1 12*1fa48748Sralph #define R2 2 13*1fa48748Sralph #define R3 3 14*1fa48748Sralph #define R4 4 15*1fa48748Sralph #define R5 5 16*1fa48748Sralph 17*1fa48748Sralph /* 18*1fa48748Sralph * Register variables 19*1fa48748Sralph */ 20*1fa48748Sralph #define R6 6 21*1fa48748Sralph #define R7 7 22*1fa48748Sralph #define R8 8 23*1fa48748Sralph #define R9 9 24*1fa48748Sralph #define R10 10 25*1fa48748Sralph #define R11 11 26*1fa48748Sralph 27*1fa48748Sralph /* 28*1fa48748Sralph * Special purpose registers 29*1fa48748Sralph */ 30*1fa48748Sralph #define AP 12 /* argument pointer */ 31*1fa48748Sralph #define FP 13 /* frame pointer */ 32*1fa48748Sralph #define SP 14 /* stack pointer */ 33*1fa48748Sralph #define PC 15 /* program counter */ 34*1fa48748Sralph 35*1fa48748Sralph #define REGSZ 16 36*1fa48748Sralph #define TMPREG FP 37*1fa48748Sralph 38*1fa48748Sralph #define R2REGS 1 /* permit double indexing */ 39*1fa48748Sralph 40*1fa48748Sralph extern int fregs; 41*1fa48748Sralph extern int maxargs; 42*1fa48748Sralph 43*1fa48748Sralph #define BYTEOFF(x) ((x)&03) 44*1fa48748Sralph #define wdal(k) (BYTEOFF(k)==0) /* word align */ 45*1fa48748Sralph #define BITOOR(x) ((x)>>3) /* bit offset to oreg offset */ 46*1fa48748Sralph 47*1fa48748Sralph /* 48*1fa48748Sralph * Some macros used in store(): 49*1fa48748Sralph * just evaluate the arguments, and be done with it... 50*1fa48748Sralph */ 51*1fa48748Sralph #define STOARG(p) 52*1fa48748Sralph #define STOFARG(p) 53*1fa48748Sralph #define STOSTARG(p) 54*1fa48748Sralph #define genfcall(a,b) gencall(a,b) 55*1fa48748Sralph 56*1fa48748Sralph #define MYREADER(p) myreader(p) 57*1fa48748Sralph int optim2(); 58*1fa48748Sralph 59*1fa48748Sralph /* This indicates there are no additional special shapes, see match.c */ 60*1fa48748Sralph #define special(a, b) 0 61