From 6e0a579edb11d75d4fe4226676e88ba56fffd4de Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Przemys=C5=82aw=20Pawe=C5=82czyk?= <przemoc@gmail.com>
Date: Sun, 27 Aug 2023 20:36:41 +0200
Subject: [PATCH] ggml : detect SSSE3 (#1211)

* ggml : add ggml_cpu_has_ssse3

* whisper : show SSSE3 in system info

* make : detect SSSE3 via cpuinfo
---
 Makefile    | 5 +++++
 ggml.c      | 8 ++++++++
 ggml.h      | 1 +
 whisper.cpp | 1 +
 4 files changed, 15 insertions(+)

diff --git a/Makefile b/Makefile
index 89c3b7ef328..58cd859220b 100644
--- a/Makefile
+++ b/Makefile
@@ -104,6 +104,11 @@ ifeq ($(UNAME_M),$(filter $(UNAME_M),x86_64 i686))
 		ifneq (,$(findstring sse3,$(SSE3_M)))
 			CFLAGS += -msse3
 		endif
+
+		SSSE3_M := $(shell $(CPUINFO_CMD) | grep -m 1 "ssse3 ")
+		ifneq (,$(findstring ssse3,$(SSSE3_M)))
+			CFLAGS += -mssse3
+		endif
 	endif
 endif
 ifeq ($(UNAME_M),amd64)
diff --git a/ggml.c b/ggml.c
index 5149a157235..70bbbad4d0d 100644
--- a/ggml.c
+++ b/ggml.c
@@ -18721,6 +18721,14 @@ int ggml_cpu_has_sse3(void) {
 #endif
 }
 
+int ggml_cpu_has_ssse3(void) {
+#if defined(__SSSE3__)
+    return 1;
+#else
+    return 0;
+#endif
+}
+
 int ggml_cpu_has_vsx(void) {
 #if defined(__POWER9_VECTOR__)
     return 1;
diff --git a/ggml.h b/ggml.h
index 0af96c76b6d..29884166edc 100644
--- a/ggml.h
+++ b/ggml.h
@@ -1508,6 +1508,7 @@ extern "C" {
     GGML_API int ggml_cpu_has_clblast    (void);
     GGML_API int ggml_cpu_has_gpublas    (void);
     GGML_API int ggml_cpu_has_sse3       (void);
+    GGML_API int ggml_cpu_has_ssse3      (void);
     GGML_API int ggml_cpu_has_vsx        (void);
 
     //
diff --git a/whisper.cpp b/whisper.cpp
index e7f760b6072..1a74a7b52b7 100644
--- a/whisper.cpp
+++ b/whisper.cpp
@@ -3480,6 +3480,7 @@ const char * whisper_print_system_info(void) {
     s += "WASM_SIMD = " + std::to_string(ggml_cpu_has_wasm_simd()) + " | ";
     s += "BLAS = "      + std::to_string(ggml_cpu_has_blas())      + " | ";
     s += "SSE3 = "      + std::to_string(ggml_cpu_has_sse3())      + " | ";
+    s += "SSSE3 = "     + std::to_string(ggml_cpu_has_ssse3())     + " | ";
     s += "VSX = "       + std::to_string(ggml_cpu_has_vsx())       + " | ";
     s += "COREML = "    + std::to_string(whisper_has_coreml())     + " | ";
     s += "OPENVINO = "  + std::to_string(whisper_has_openvino())   + " | ";