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Continue to reduce debug dump size.

--- a/8/main.c

+++ b/8/main.c

@@ -30,9 +30,9 @@

     printf("\t-d\tPrint debug dumps. Recognized options: f r p i\n");

     printf("\t\t\tno options: print most common debug information\n");

     printf("\t\t\tf: additionally log folded trees\n");

-    printf("\t\t\tr: additionally log reduced pre-cfg trees\n");

-    printf("\t\t\tp: additionally log tree immediately before parsing\n");

-    printf("\t\t\ti: additionally log tree after type inference\n");

+    printf("\t\t\tl: additionally log lowered pre-cfg trees\n");

+    printf("\t\t\tT: additionally log tree immediately\n");

+    printf("\t\t\tr: additionally log register allocation activity\n");

     printf("\t-o\tOutput to outfile\n");

     printf("\t-S\tGenerate assembly instead of object code\n");

 }

@@ -89,11 +89,11 @@

         yyparse();

         /* before we do anything to the parse */

-        if (debugopt['p'])

+        if (debugopt['T'])

             dump(file, stdout);

         infer(file);

         /* after all processing */

-        if (debugopt['i'])

+        if (debug)

             dump(file, stdout);

         swapsuffix(buf, 1024, argv[i], ".myr", ".s");

--- a/8/ra.c

+++ b/8/ra.c

@@ -539,7 +539,7 @@

     size_t i, j;

     int has;

-    if (debug) {

+    if (debugopt['r']) {

 	printf("Combine ");

 	locprint(stdout, locmap[u]);

 	printf(" ==> ");

@@ -709,7 +709,7 @@

 	found = 0;

 	for (i = 0; i < K; i++) {

 	    if (!taken[i]) {

-		if (debug) {

+		if (debugopt['r']) {

 		    locprint(stdout, n);

 		    printf(" ==> %s\n", regnames[regmap[i][n->mode]]);

 		}

@@ -749,7 +749,7 @@

 	liveness(s);

 	build(s);

 	mkworklist(s);

-	if (debug)

+	if (debugopt['r'])

 	    dumpasm(s, stdout);

 	do {

 	    if (s->nwlsimp)

--- a/8/reduce.c

+++ b/8/reduce.c

@@ -703,7 +703,7 @@

     assert(n->type == Ndecl);

     s->stksz += size(n);

     if (debug)

-        printf("DECLARE %s(%ld) at %zd\n", declname(n), n->decl.did, s->stksz);

+        printf("declare %s(%ld) at %zd\n", declname(n), n->decl.did, s->stksz);

     htput(s->locs, n, (void*)s->stksz);

 }

@@ -711,7 +711,7 @@

 {

     assert(n->type == Ndecl);

     if (debug)

-        printf("DECLARE %s(%ld) at %zd\n", declname(n), n->decl.did, -(s->argsz + 8));

+        printf("declare %s(%ld) at %zd\n", declname(n), n->decl.did, -(s->argsz + 8));

     htput(s->locs, n, (void*)-(s->argsz + 8));

     s->argsz += size(n);

 }

@@ -812,12 +812,12 @@

     for (i = 0; i < s->nstmts; i++) {

         if (s->stmts[i]->type != Nexpr)

             continue;

-        if (debug) {

+        if (debugopt['f']) {

             printf("FOLD FROM ----------\n");

             dump(s->stmts[i], stdout);

         }

         s->stmts[i] = fold(s->stmts[i]);

-        if (debug) {

+        if (debugopt['f']) {

             printf("FOLD TO ------------\n");

             dump(s->stmts[i], stdout);

             printf("END ----------------\n");