SkFloatConvert

src/core/SkOpts.cpp

Index: src/core/SkOpts.cpp
diff --git a/src/core/SkOpts.cpp b/src/core/SkOpts.cpp
index 50659d4590fa95948b02cd1fea2e16afbe274528..950c987dd444807bbbf5f6e3cdd7a0dd6d75d2d4 100644
--- a/src/core/SkOpts.cpp
+++ b/src/core/SkOpts.cpp
@@ -64,6 +64,8 @@ namespace SK_OPTS_NS {
 
 namespace SkOpts {
 
+    bool has_f16c = false;
+
     // Define default function pointer values here...
     // If our global compile options are set high enough, these defaults might even be
     // CPU-specialized, e.g. a typical x86-64 machine might start with SSE2 defaults.
@@ -128,6 +130,10 @@ namespace SkOpts {
              (xgetbv(0) & 6      ) == 6          ){ // and  check the OS supports XSAVE.
             Init_avx();
 
+            if (abcd[2] & (1<<29)) {
+                has_f16c = true;
+            }
+
             // AVX2 additionally needs bit 5 set on ebx after calling cpuid(7).
             uint32_t abcd7[] = {0,0,0,0};
             cpuid7(abcd7);