mirror of
https://github.com/UberGames/ioef.git
synced 2024-12-01 00:21:19 +00:00
190 lines
3.1 KiB
C
190 lines
3.1 KiB
C
#include "c.h"
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/* ops [ {csilhfdxp}=n ]...
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* prints lcc dag operator set for a given set of type sizes.
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*/
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static char list[] = { 'c', 's', 'i', 'l', 'h', 'f', 'd', 'x', 'p', 0 };
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static int sizes[] = { 1, 2, 4, 4, 8, 4, 8, 16, 8 };
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static int doop(int op, int type, const char *sz, const char *opname) {
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int count = 0;
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static int last;
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if (op == LOAD)
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return 0;
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if (last != 0 && last != op)
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printf("\n");
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last = op;
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if (type == B || type == V) {
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printf(" %s=%d", opname, op + type);
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count++;
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} else {
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int i, done = 0;
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const char *s;
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for (i = 0; sz[i] != '\0' && (s = strchr(list, sz[i])) != NULL; i++) {
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int n = sizes[s-list];
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if ((done&(1<<n)) == 0) {
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printf(" %s%d=%d", opname, n, op + type + sizeop(n));
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count++;
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}
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done |= 1<<n;
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}
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}
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printf("\n");
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return count;
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}
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int main(int argc, char *argv[]) {
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int i, count = 0;
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for (i = 1; i < argc; i++) {
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char c, *s;
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int n;
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if (sscanf(argv[i], "%c=%d", &c, &n) == 2
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&& n > 0 && (s = strchr(list, c)) != NULL)
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sizes[s-list] = n;
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else {
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fprintf(stderr, "usage: %s [ {csilhfdxp}=n ]...\n", argv[0]);
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exit(EXIT_FAILURE);
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}
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}
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#define gop(x,n)
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#define op(x,t,s) count += doop(x,t,#s,#x #t);
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gop(CNST,1)
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op(CNST,F,fdx)
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op(CNST,I,csilh)
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op(CNST,P,p)
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op(CNST,U,csilh)
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gop(ARG,2)
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op(ARG,B,-)
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op(ARG,F,fdx)
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op(ARG,I,ilh)
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op(ARG,P,p)
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op(ARG,U,ilh)
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gop(ASGN,3)
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op(ASGN,B,-)
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op(ASGN,F,fdx)
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op(ASGN,I,csilh)
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op(ASGN,P,p)
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op(ASGN,U,csilh)
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gop(INDIR,4)
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op(INDIR,B,-)
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op(INDIR,F,fdx)
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op(INDIR,I,csilh)
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op(INDIR,P,p)
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op(INDIR,U,csilh)
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gop(CVF,7)
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op(CVF,F,fdx)
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op(CVF,I,ilh)
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gop(CVI,8)
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op(CVI,F,fdx)
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op(CVI,I,csilh)
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op(CVI,U,csilhp)
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gop(CVP,9)
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op(CVP,U,p)
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gop(CVU,11)
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op(CVU,I,csilh)
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op(CVU,P,p)
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op(CVU,U,csilh)
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gop(NEG,12)
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op(NEG,F,fdx)
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op(NEG,I,ilh)
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gop(CALL,13)
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op(CALL,B,-)
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op(CALL,F,fdx)
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op(CALL,I,ilh)
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op(CALL,P,p)
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op(CALL,U,ilh)
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op(CALL,V,-)
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gop(RET,15)
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op(RET,F,fdx)
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op(RET,I,ilh)
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op(RET,P,p)
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op(RET,U,ilh)
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op(RET,V,-)
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gop(ADDRG,16)
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op(ADDRG,P,p)
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gop(ADDRF,17)
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op(ADDRF,P,p)
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gop(ADDRL,18)
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op(ADDRL,P,p)
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gop(ADD,19)
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op(ADD,F,fdx)
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op(ADD,I,ilh)
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op(ADD,P,p)
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op(ADD,U,ilhp)
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gop(SUB,20)
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op(SUB,F,fdx)
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op(SUB,I,ilh)
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op(SUB,P,p)
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op(SUB,U,ilhp)
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gop(LSH,21)
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op(LSH,I,ilh)
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op(LSH,U,ilh)
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gop(MOD,22)
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op(MOD,I,ilh)
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op(MOD,U,ilh)
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gop(RSH,23)
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op(RSH,I,ilh)
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op(RSH,U,ilh)
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gop(BAND,24)
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op(BAND,I,ilh)
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op(BAND,U,ilh)
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gop(BCOM,25)
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op(BCOM,I,ilh)
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op(BCOM,U,ilh)
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gop(BOR,26)
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op(BOR,I,ilh)
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op(BOR,U,ilh)
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gop(BXOR,27)
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op(BXOR,I,ilh)
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op(BXOR,U,ilh)
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gop(DIV,28)
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op(DIV,F,fdx)
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op(DIV,I,ilh)
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op(DIV,U,ilh)
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gop(MUL,29)
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op(MUL,F,fdx)
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op(MUL,I,ilh)
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op(MUL,U,ilh)
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gop(EQ,30)
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op(EQ,F,fdx)
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op(EQ,I,ilh)
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op(EQ,U,ilhp)
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gop(GE,31)
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op(GE,F,fdx)
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op(GE,I,ilh)
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op(GE,U,ilhp)
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gop(GT,32)
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op(GT,F,fdx)
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op(GT,I,ilh)
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op(GT,U,ilhp)
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gop(LE,33)
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op(LE,F,fdx)
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op(LE,I,ilh)
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op(LE,U,ilhp)
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gop(LT,34)
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op(LT,F,fdx)
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op(LT,I,ilh)
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op(LT,U,ilhp)
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gop(NE,35)
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op(NE,F,fdx)
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op(NE,I,ilh)
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op(NE,U,ilhp)
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gop(JUMP,36)
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op(JUMP,V,-)
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gop(LABEL,37)
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op(LABEL,V,-)
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gop(LOAD,14)
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op(LOAD,B,-)
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op(LOAD,F,fdx)
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op(LOAD,I,csilh)
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op(LOAD,P,p)
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op(LOAD,U,csilhp)
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#undef gop
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#undef op
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fprintf(stderr, "%d operators\n", count);
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return EXIT_SUCCESS;
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}
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