From f8ec718b764cee5383a0775deb2fb8f84f49b3bb Mon Sep 17 00:00:00 2001
From: Georgi Gerganov <ggerganov@gmail.com>
Date: Tue, 6 Dec 2022 21:56:56 +0200
Subject: [PATCH] ggml : add F16C CPU flag check

---
 ggml.c      | 8 ++++++++
 ggml.h      | 1 +
 whisper.cpp | 1 +
 3 files changed, 10 insertions(+)

diff --git a/ggml.c b/ggml.c
index 67e1977..7d9a38f 100644
--- a/ggml.c
+++ b/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;
diff --git a/ggml.h b/ggml.h
index 3e4e962..6dd5d04 100644
--- a/ggml.h
+++ b/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);
diff --git a/whisper.cpp b/whisper.cpp
index 42467ef..abfc44f 100644
--- a/whisper.cpp
+++ b/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())      + " | ";