ggml : add F16C CPU flag check

ggml.c

@@ -8289,6 +8289,14 @@ int ggml_cpu_has_neon(void) {
 #endif
 }
 
+int ggml_cpu_has_f16c(void) {
+#if defined(__F16C__)
+    return 1;
+#else
+    return 0;
+#endif
+}
+
 int ggml_cpu_has_fp16_va(void) {
 #if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC)
     return 1;

ggml.h

@@ -727,6 +727,7 @@ int ggml_cpu_has_avx(void);
 int ggml_cpu_has_avx2(void);
 int ggml_cpu_has_avx512(void);
 int ggml_cpu_has_neon(void);
+int ggml_cpu_has_f16c(void);
 int ggml_cpu_has_fp16_va(void);
 int ggml_cpu_has_wasm_simd(void);
 int ggml_cpu_has_blas(void);

whisper.cpp

@@ -2372,6 +2372,7 @@ const char * whisper_print_system_info(void) {
     s += "AVX2 = "      + std::to_string(ggml_cpu_has_avx2())      + " | ";
     s += "AVX512 = "    + std::to_string(ggml_cpu_has_avx512())    + " | ";
     s += "NEON = "      + std::to_string(ggml_cpu_has_neon())      + " | ";
+    s += "F16C = "      + std::to_string(ggml_cpu_has_f16c())      + " | ";
     s += "FP16_VA = "   + std::to_string(ggml_cpu_has_fp16_va())   + " | ";
     s += "WASM_SIMD = " + std::to_string(ggml_cpu_has_wasm_simd()) + " | ";
     s += "BLAS = "      + std::to_string(ggml_cpu_has_blas())      + " | ";