Fix debug compilation problems for gcc and 32 bit x86.

source/row_gcc.cc

 // VERSION 2
 /*
  *  Copyright 2011 The LibYuv Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE 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.
  */
@@ skipping 1716 matching lines @@
     [u_buf]"+r"(u_buf),    // %[u_buf]
     [v_buf]"+r"(v_buf),    // %[v_buf]
     [dst_argb]"+r"(dst_argb),  // %[dst_argb]
     [width]"+rm"(width)    // %[width]
   : [yuvconstants]"r"(yuvconstants)  // %[yuvconstants]
   : "memory", "cc", NACL_R14
     "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5"
   );
 }
 
+#ifdef HAS_I422ALPHATOARGBROW_SSSE3
 void OMITFP I422AlphaToARGBRow_SSSE3(const uint8* y_buf,
                                      const uint8* u_buf,
                                      const uint8* v_buf,
                                      const uint8* a_buf,
                                      uint8* dst_argb,
                                      const struct YuvConstants* yuvconstants,
                                      int width) {
   asm volatile (
     "sub       %[u_buf],%[v_buf]               \n"
     LABELALIGN
@@ skipping 11 matching lines @@
 #if defined(__i386__) && defined(__pic__)
     [width]"+m"(width)     // %[width]
 #else
     [width]"+rm"(width)    // %[width]
 #endif
   : [yuvconstants]"r"(yuvconstants)  // %[yuvconstants]
   : "memory", "cc", NACL_R14
     "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5"
   );
 }
+#endif  // HAS_I422ALPHATOARGBROW_SSSE3
 
 void OMITFP I411ToARGBRow_SSSE3(const uint8* y_buf,
                                 const uint8* u_buf,
                                 const uint8* v_buf,
                                 uint8* dst_argb,
                                 const struct YuvConstants* yuvconstants,
                                 int width) {
   asm volatile (
     "sub       %[u_buf],%[v_buf]               \n"
     "pcmpeqb   %%xmm5,%%xmm5                   \n"
@@ skipping 3712 matching lines @@
   );
 }
 #endif  // HAS_ARGBLUMACOLORTABLEROW_SSSE3
 
 #endif  // defined(__x86_64__) || defined(__i386__)
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif