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Don't try to generate code for templates.

--- a/8/asm.h

+++ b/8/asm.h

@@ -1,4 +1,6 @@

+/* x86 sure likes 4 */

 #define Maxarg 4

+#define Wordsz 4

 #define K 4 /* 4 general purpose regs with all modes available */

 typedef size_t regid;

--- a/8/reduce.c

+++ b/8/reduce.c

@@ -691,7 +691,7 @@

         case Oasn:

             t = lval(s, args[0]);

             u = rval(s, args[1]);

-            if (size(n) > 4) {

+            if (size(n) > Wordsz) {

                 t = addr(t, exprtype(n));

                 u = addr(u, exprtype(n));

                 v = word(n->line, size(n));

@@ -701,7 +701,7 @@

             }

             break;

         case Ocall:

-            if (exprtype(n)->type != Tyvoid && size(n) > 4) {

+            if (exprtype(n)->type != Tyvoid && size(n) > Wordsz) {

                 r = temp(s, n);

                 linsert(&n->expr.args, &n->expr.nargs, 1, addr(r, exprtype(n)));

                 for (i = 0; i < n->expr.nargs; i++)

@@ -801,7 +801,7 @@

     assert(f->type == Nfunc);

     ty = f->func.type->sub[0];

-    if (ty->type != Tyvoid && tysize(ty) > 4) {

+    if (ty->type != Tyvoid && tysize(ty) > Wordsz) {

         s->isbigret = 1;

         s->ret = gentemp(s, f, mktyptr(f->line, ty), &dcl);

         declarearg(s, dcl);

@@ -931,7 +931,7 @@

     tyvoid = mkty(-1, Tyvoid);

     one = word(-1, 1);

     zero = word(-1, 0);

-    ptrsz = word(-1, 4);

+    ptrsz = word(-1, Wordsz);

     fn = NULL;

     nfn = 0;