Increase inflate dynamic table sizes (~7% speedup)

infback.c

@@ -454,11 +454,11 @@ void FAR *out_desc;
             }
 
             /* build code tables -- note: do not change the lenbits or distbits
-               values here (9 and 6) without reading the comments in inftrees.h
+               values here (10 and 9) without reading the comments in inftrees.h
                concerning the ENOUGH constants, which depend on those values */
             state->next = state->codes;
             state->lencode = (code const FAR *)(state->next);
-            state->lenbits = 9;
+            state->lenbits = 10;
             ret = inflate_table(LENS, state->lens, state->nlen, &(state->next),
                                 &(state->lenbits), state->work);
             if (ret) {
@@ -467,7 +467,7 @@ void FAR *out_desc;
                 break;
             }
             state->distcode = (code const FAR *)(state->next);
-            state->distbits = 6;
+            state->distbits = 9;
             ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist,
                             &(state->next), &(state->distbits), state->work);
             if (ret) {

inflate.c

@@ -1036,11 +1036,11 @@ int flush;
             }
 
             /* build code tables -- note: do not change the lenbits or distbits
-               values here (9 and 6) without reading the comments in inftrees.h
+               values here (10 and 9) without reading the comments in inftrees.h
                concerning the ENOUGH constants, which depend on those values */
             state->next = state->codes;
             state->lencode = (const code FAR *)(state->next);
-            state->lenbits = 9;
+            state->lenbits = 10;
             ret = inflate_table(LENS, state->lens, state->nlen, &(state->next),
                                 &(state->lenbits), state->work);
             if (ret) {
@@ -1049,7 +1049,7 @@ int flush;
                 break;
             }
             state->distcode = (const code FAR *)(state->next);
-            state->distbits = 6;
+            state->distbits = 9;
             ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist,
                             &(state->next), &(state->distbits), state->work);
             if (ret) {

inftrees.h

@@ -36,17 +36,17 @@ typedef struct {
  */
 
 /* Maximum size of the dynamic table.  The maximum number of code structures is
-   1444, which is the sum of 852 for literal/length codes and 592 for distance
+   1924, which is the sum of 1332 for literal/length codes and 592 for distance
    codes.  These values were found by exhaustive searches using the program
    examples/enough.c found in the zlib distribtution.  The arguments to that
    program are the number of symbols, the initial root table size, and the
-   maximum bit length of a code.  "enough 286 9 15" for literal/length codes
-   returns returns 852, and "enough 30 6 15" for distance codes returns 592.
-   The initial root table size (9 or 6) is found in the fifth argument of the
+   maximum bit length of a code.  "enough 286 10 15" for literal/length codes
+   returns returns 1332, and "enough 30 9 15" for distance codes returns 592.
+   The initial root table size (10 or 9) is found in the fifth argument of the
    inflate_table() calls in inflate.c and infback.c.  If the root table size is
    changed, then these maximum sizes would be need to be recalculated and
    updated. */
-#define ENOUGH_LENS 852
+#define ENOUGH_LENS 1332
 #define ENOUGH_DISTS 592
 #define ENOUGH (ENOUGH_LENS+ENOUGH_DISTS)