Add f16c (halffloat) cpuid

unit_test/cpu_test.cc

 /*
  *  Copyright 2012 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 27 matching lines @@
   int has_avx = TestCpuFlag(kCpuHasAVX);
   printf("Has AVX %x\n", has_avx);
   int has_avx2 = TestCpuFlag(kCpuHasAVX2);
   printf("Has AVX2 %x\n", has_avx2);
   int has_erms = TestCpuFlag(kCpuHasERMS);
   printf("Has ERMS %x\n", has_erms);
   int has_fma3 = TestCpuFlag(kCpuHasFMA3);
   printf("Has FMA3 %x\n", has_fma3);
   int has_avx3 = TestCpuFlag(kCpuHasAVX3);
   printf("Has AVX3 %x\n", has_avx3);
+  int has_f16c = TestCpuFlag(kCpuHasF16C);
+  printf("Has F16C %x\n", has_f16c);
   int has_mips = TestCpuFlag(kCpuHasMIPS);
   printf("Has MIPS %x\n", has_mips);
   int has_dspr2 = TestCpuFlag(kCpuHasDSPR2);
   printf("Has DSPR2 %x\n", has_dspr2);
 }
 
 TEST_F(LibYUVBaseTest, TestCpuCompilerEnabled) {
 #if defined(__aarch64__)
   printf("Arm64 build\n");
 #endif
@@ skipping 72 matching lines @@
     EXPECT_EQ(kCpuHasNEON, ArmCpuCaps("../../unit_test/testdata/juno.txt"));
   } else {
     printf("WARNING: unable to load \"../../unit_test/testdata/arm_v7.txt\"\n");
   }
 #if defined(__linux__) && defined(__ARM_NEON__)
   EXPECT_EQ(kCpuHasNEON, ArmCpuCaps("/proc/cpuinfo"));
 #endif
 }
 
 }  // namespace libyuv