1 files changed, 190 insertions, 0 deletions
diff --git a/code/tools/lcc/etc/ops.c b/code/tools/lcc/etc/ops.c
new file mode 100644
index 0000000..39d2357
--- /dev/null
+++ b/code/tools/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;
+}