fix warnings around size_t/int

src/gpu/GrTHashTable.h

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
@@ skipping 43 matching lines @@
     // testing
     const SkTDArray<T*>& getArray() const { return fSorted; }
     SkTDArray<T*>& getArray() { return fSorted; }
 private:
     void clearHash() { sk_bzero(fHash, sizeof(fHash)); }
 
     enum {
         kHashCount = 1 << kHashBits,
         kHashMask  = kHashCount - 1
     };
-    static unsigned hash2Index(uint32_t hash) {
+    static unsigned hash2Index(intptr_t hash) {
+        if (sizeof(hash) == 8) {
+            hash ^= hash >> 32;
+        }
         hash ^= hash >> 16;
         if (kHashBits <= 8) {
             hash ^= hash >> 8;
         }
         return hash & kHashMask;
     }
 
     mutable T* fHash[kHashCount];
     SkTDArray<T*> fSorted;
 
@@ skipping 126 matching lines @@
 
 template <typename T, typename Key, size_t kHashBits>
 bool GrTHashTable<T, Key, kHashBits>::contains(T* elem) const {
     int index = fSorted.find(elem);
     return index >= 0;
 }
 
 #endif
 
 #endif