ioq3quest/code/tools/lcc/etc/ops.c

191 lines
3.1 KiB
C
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2005-08-26 17:39:27 +00:00
#include "c.h"
/* ops [ {csilhfdxp}=n ]...
* prints lcc dag operator set for a given set of type sizes.
*/
static char list[] = { 'c', 's', 'i', 'l', 'h', 'f', 'd', 'x', 'p', 0 };
static int sizes[] = { 1, 2, 4, 4, 8, 4, 8, 16, 8 };
static int doop(int op, int type, const char *sz, const char *opname) {
int count = 0;
static int last;
if (op == LOAD)
return 0;
if (last != 0 && last != op)
printf("\n");
last = op;
if (type == B || type == V) {
printf(" %s=%d", opname, op + type);
count++;
} else {
int i, done = 0;
const char *s;
for (i = 0; sz[i] != '\0' && (s = strchr(list, sz[i])) != NULL; i++) {
int n = sizes[s-list];
if ((done&(1<<n)) == 0) {
printf(" %s%d=%d", opname, n, op + type + sizeop(n));
count++;
}
done |= 1<<n;
}
}
printf("\n");
return count;
}
int main(int argc, char *argv[]) {
int i, count = 0;
for (i = 1; i < argc; i++) {
char c, *s;
int n;
if (sscanf(argv[i], "%c=%d", &c, &n) == 2
&& n > 0 && (s = strchr(list, c)) != NULL)
sizes[s-list] = n;
else {
fprintf(stderr, "usage: %s [ {csilhfdxp}=n ]...\n", argv[0]);
exit(EXIT_FAILURE);
}
}
#define gop(x,n)
#define op(x,t,s) count += doop(x,t,#s,#x #t);
gop(CNST,1)
op(CNST,F,fdx)
op(CNST,I,csilh)
op(CNST,P,p)
op(CNST,U,csilh)
gop(ARG,2)
op(ARG,B,-)
op(ARG,F,fdx)
op(ARG,I,ilh)
op(ARG,P,p)
op(ARG,U,ilh)
gop(ASGN,3)
op(ASGN,B,-)
op(ASGN,F,fdx)
op(ASGN,I,csilh)
op(ASGN,P,p)
op(ASGN,U,csilh)
gop(INDIR,4)
op(INDIR,B,-)
op(INDIR,F,fdx)
op(INDIR,I,csilh)
op(INDIR,P,p)
op(INDIR,U,csilh)
gop(CVF,7)
op(CVF,F,fdx)
op(CVF,I,ilh)
gop(CVI,8)
op(CVI,F,fdx)
op(CVI,I,csilh)
op(CVI,U,csilhp)
gop(CVP,9)
op(CVP,U,p)
gop(CVU,11)
op(CVU,I,csilh)
op(CVU,P,p)
op(CVU,U,csilh)
gop(NEG,12)
op(NEG,F,fdx)
op(NEG,I,ilh)
gop(CALL,13)
op(CALL,B,-)
op(CALL,F,fdx)
op(CALL,I,ilh)
op(CALL,P,p)
op(CALL,U,ilh)
op(CALL,V,-)
gop(RET,15)
op(RET,F,fdx)
op(RET,I,ilh)
op(RET,P,p)
op(RET,U,ilh)
op(RET,V,-)
gop(ADDRG,16)
op(ADDRG,P,p)
gop(ADDRF,17)
op(ADDRF,P,p)
gop(ADDRL,18)
op(ADDRL,P,p)
gop(ADD,19)
op(ADD,F,fdx)
op(ADD,I,ilh)
op(ADD,P,p)
op(ADD,U,ilhp)
gop(SUB,20)
op(SUB,F,fdx)
op(SUB,I,ilh)
op(SUB,P,p)
op(SUB,U,ilhp)
gop(LSH,21)
op(LSH,I,ilh)
op(LSH,U,ilh)
gop(MOD,22)
op(MOD,I,ilh)
op(MOD,U,ilh)
gop(RSH,23)
op(RSH,I,ilh)
op(RSH,U,ilh)
gop(BAND,24)
op(BAND,I,ilh)
op(BAND,U,ilh)
gop(BCOM,25)
op(BCOM,I,ilh)
op(BCOM,U,ilh)
gop(BOR,26)
op(BOR,I,ilh)
op(BOR,U,ilh)
gop(BXOR,27)
op(BXOR,I,ilh)
op(BXOR,U,ilh)
gop(DIV,28)
op(DIV,F,fdx)
op(DIV,I,ilh)
op(DIV,U,ilh)
gop(MUL,29)
op(MUL,F,fdx)
op(MUL,I,ilh)
op(MUL,U,ilh)
gop(EQ,30)
op(EQ,F,fdx)
op(EQ,I,ilh)
op(EQ,U,ilhp)
gop(GE,31)
op(GE,F,fdx)
op(GE,I,ilh)
op(GE,U,ilhp)
gop(GT,32)
op(GT,F,fdx)
op(GT,I,ilh)
op(GT,U,ilhp)
gop(LE,33)
op(LE,F,fdx)
op(LE,I,ilh)
op(LE,U,ilhp)
gop(LT,34)
op(LT,F,fdx)
op(LT,I,ilh)
op(LT,U,ilhp)
gop(NE,35)
op(NE,F,fdx)
op(NE,I,ilh)
op(NE,U,ilhp)
gop(JUMP,36)
op(JUMP,V,-)
gop(LABEL,37)
op(LABEL,V,-)
gop(LOAD,14)
op(LOAD,B,-)
op(LOAD,F,fdx)
op(LOAD,I,csilh)
op(LOAD,P,p)
op(LOAD,U,csilhp)
#undef gop
#undef op
fprintf(stderr, "%d operators\n", count);
return EXIT_SUCCESS;
}