diff options
Diffstat (limited to 'lcc/etc/ops.c')
| -rwxr-xr-x | lcc/etc/ops.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/lcc/etc/ops.c b/lcc/etc/ops.c new file mode 100755 index 0000000..dd570b7 --- /dev/null +++ b/lcc/etc/ops.c @@ -0,0 +1,190 @@ +#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;
+}
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