+ } else {
+ if (dval<0) { // "-28u" will still be signed and negative
+ if (dval<-128) { // check if we have to promote to int
+ SPEC_NOUN (val->type) = V_INT;
+ }
+ if (dval<-32768) { // check if we have to promote to long int
+ SPEC_LONG (val->type) = 1;
+ }
+ } else { // >=0
+ if (dval>0xff || /* check if we have to promote to int */
+ SPEC_USIGN (val->type)) { /* if it's unsigned, we can't use unsigned
+ char. After an integral promotion it will
+ be a signed int; this certainly isn't what
+ the programer wants */
+ SPEC_NOUN (val->type) = V_INT;
+ }
+ else { /* store char's always as unsigned; this helps other optimizations */
+ SPEC_USIGN (val->type) = 1;
+ }
+ if (dval>0xffff && SPEC_USIGN (val->type)) { // check if we have to promote to long
+ SPEC_LONG (val->type) = 1;
+ }
+ else if (dval>0x7fff && !SPEC_USIGN (val->type)) { // check if we have to promote to long int
+ if ((hex || octal) && /* hex or octal constants may be stored in unsigned type */
+ dval<=0xffff) {
+ SPEC_USIGN (val->type) = 1;
+ } else {
+ SPEC_LONG (val->type) = 1;
+ if (dval>0x7fffffff) {
+ SPEC_USIGN (val->type) = 1;
+ }
+ }
+ }
+ }