Avoid the sdslen() on shared.crlf given we know its size beforehand. …

…Improve ~3-4% of cpu cycles to lrange logic (redis#10987)

* Avoid the sdslen() on shared.crlf given we know its size beforehand
* Removed shared.crlf from sharedObjects

src/networking.c

@@ -860,7 +860,7 @@ void addReplyBigNum(client *c, const char* num, size_t len) {
     } else {
         addReplyProto(c,"(",1);
         addReplyProto(c,num,len);
-        addReply(c,shared.crlf);
+        addReplyProto(c,"\r\n",2);
     }
 }
 
@@ -991,21 +991,21 @@ void addReplyBulkLen(client *c, robj *obj) {
 void addReplyBulk(client *c, robj *obj) {
     addReplyBulkLen(c,obj);
     addReply(c,obj);
-    addReply(c,shared.crlf);
+    addReplyProto(c,"\r\n",2);
 }
 
 /* Add a C buffer as bulk reply */
 void addReplyBulkCBuffer(client *c, const void *p, size_t len) {
     addReplyLongLongWithPrefix(c,len,'$');
     addReplyProto(c,p,len);
-    addReply(c,shared.crlf);
+    addReplyProto(c,"\r\n",2);
 }
 
 /* Add sds to reply (takes ownership of sds and frees it) */
 void addReplyBulkSds(client *c, sds s)  {
     addReplyLongLongWithPrefix(c,sdslen(s),'$');
     addReplySds(c,s);
-    addReply(c,shared.crlf);
+    addReplyProto(c,"\r\n",2);
 }
 
 /* Set sds to a deferred reply (for symmetry with addReplyBulkSds it also frees the sds) */

src/server.c

@@ -1680,7 +1680,6 @@ void createSharedObjects(void) {
     int j;
 
     /* Shared command responses */
-    shared.crlf = createObject(OBJ_STRING,sdsnew("\r\n"));
     shared.ok = createObject(OBJ_STRING,sdsnew("+OK\r\n"));
     shared.emptybulk = createObject(OBJ_STRING,sdsnew("$0\r\n\r\n"));
     shared.czero = createObject(OBJ_STRING,sdsnew(":0\r\n"));

src/server.h

@@ -1222,7 +1222,7 @@ struct sentinelConfig {
 };
 
 struct sharedObjectsStruct {
-    robj *crlf, *ok, *err, *emptybulk, *czero, *cone, *pong, *space,
+    robj *ok, *err, *emptybulk, *czero, *cone, *pong, *space,
     *queued, *null[4], *nullarray[4], *emptymap[4], *emptyset[4],
     *emptyarray, *wrongtypeerr, *nokeyerr, *syntaxerr, *sameobjecterr,
     *outofrangeerr, *noscripterr, *loadingerr,