* (REG_CLASS_FROM_CONSTRAINT): Only define if not already defined.

[pf3gnuchains/gcc-fork.git] / gcc / hashtable.c

diff --git a/gcc/hashtable.c b/gcc/hashtable.c
index 63df6ff..b3f6404 100644 (file)
--- a/gcc/hashtable.c
+++ b/gcc/hashtable.c
@@ -121,7 +121,8 @@ ht_lookup (table, str, len, insert)
       if (node == NULL)
        break;
 
-      if (HT_LEN (node) == len && !memcmp (HT_STR (node), str, len))
+      if (node->hash_value == hash && HT_LEN (node) == len
+          && !memcmp (HT_STR (node), str, len))
        {
          if (insert == HT_ALLOCED)
            /* The string we search for was placed at the end of the
@@ -141,6 +142,7 @@ ht_lookup (table, str, len, insert)
   table->entries[index] = node;
 
   HT_LEN (node) = len;
+  node->hash_value = hash;
   if (insert == HT_ALLOC)
     HT_STR (node) = obstack_copy0 (&table->stack, str, len);
   else
@@ -173,7 +175,7 @@ ht_expand (table)
       {
        unsigned int index, hash, hash2;
 
-       hash = calc_hash (HT_STR (*p), HT_LEN (*p));
+       hash = (*p)->hash_value;
        hash2 = ((hash * 17) & sizemask) | 1;
        index = hash & sizemask;