libwebp: mips build fixes

third_party/libwebp/dsp/dsp.h

 // Copyright 2011 Google Inc. All Rights Reserved.
 //
 // Use of this source code is governed by a BSD-style license
 // that can be found in the COPYING file in the root of the source
 // tree. An additional intellectual property rights grant can be found
 // in the file PATENTS. All contributing project authors may
 // be found in the AUTHORS file in the root of the source tree.
 // -----------------------------------------------------------------------------
 //
 //   Speed-critical functions.
@@ skipping 42 matching lines @@
 #endif
 
 #if defined(__ANDROID__) && defined(__ARM_ARCH_7A__)
 #define WEBP_ANDROID_NEON  // Android targets that might support NEON
 #endif
 
 #if defined(__ARM_NEON__) || defined(WEBP_ANDROID_NEON) || defined(__aarch64__)
 #define WEBP_USE_NEON
 #endif
 
-#if defined(__mips__)
+#if defined(__mips__) && !defined(__mips64)
 #define WEBP_USE_MIPS32
 #endif
 
 typedef enum {
   kSSE2,
   kSSE3,
   kAVX,
   kAVX2,
   kNEON,
   kMIPS32
@@ skipping 190 matching lines @@
                   int width, int num_rows, int inverse);
 
 // To be called first before using the above.
 void WebPInitAlphaProcessing(void);
 
 #ifdef __cplusplus
 }    // extern "C"
 #endif
 
 #endif  /* WEBP_DSP_DSP_H_ */