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Merge pull request #2878 from evivrus510/enable-neon-chromeos

Enable NEON for ChromeOS devices

--- a/codec/common/src/cpu.cpp

+++ b/codec/common/src/cpu.cpp

@@ -258,13 +258,18 @@

 /* Generic arm/linux cpu feature detection */

 uint32_t WelsCPUFeatureDetect (int32_t* pNumberOfLogicProcessors) {

+  int flags = 0;

   FILE* f = fopen ("/proc/cpuinfo", "r");

-  if (!f)

-    return 0;

+#if defined(__chromeos__)

+  flags |= WELS_CPU_NEON;

+#endif

+  if (!f) {

+    return flags;

+  }

+

   char buf[200];

-  int flags = 0;

   while (fgets (buf, sizeof (buf), f)) {

     if (!strncmp (buf, "Features", strlen ("Features"))) {

       // The asimd and fp features are listed on 64 bit ARMv8 kernels