whisper: remove MSVC warnings pragmas (#3090)

* ggml : remove MSVC warnings pragmas

This commit removes the MSVC-specific pragmas as these are now handled
in CMakeLists.txt.

* whisper : remove MSVC warning pragmas

This commit removes the MSVC-specific pragmas. These are now handled in
the CMakeLists.txt file.

CMakeLists.txt

@@ -232,6 +232,7 @@ if (MSVC)
     endfunction()
 
     if (WHISPER_BUILD_EXAMPLES)
+        disable_msvc_warnings(whisper)
         disable_msvc_warnings(common)
         disable_msvc_warnings(common-sdl)
         disable_msvc_warnings(lsp)

examples/cli/cli.cpp

@@ -20,10 +20,6 @@
 #include <windows.h>
 #endif
 
-#if defined(_MSC_VER)
-#pragma warning(disable: 4244 4267) // possible loss of data
-#endif
-
 // helper function to replace substrings
 static void replace_all(std::string & s, const std::string & search, const std::string & replace) {
     for (size_t pos = 0; ; pos += replace.length()) {

examples/common-whisper.cpp

@@ -26,10 +26,6 @@
 #define MINIAUDIO_IMPLEMENTATION
 #include "miniaudio.h"
 
-#if defined(_MSC_VER)
-#pragma warning(disable: 4244 4267) // possible loss of data
-#endif
-
 #ifdef _WIN32
 #include <fcntl.h>
 #include <io.h>

examples/common.cpp

@@ -10,10 +10,6 @@
 #include <regex>
 #include <sstream>
 
-#if defined(_MSC_VER)
-#pragma warning(disable: 4244 4267) // possible loss of data
-#endif
-
 // Function to check if the next argument exists
 static std::string get_next_arg(int& i, int argc, char** argv, const std::string& flag, gpt_params& params) {
     if (i + 1 < argc && argv[i + 1][0] != '-') {

examples/server/server.cpp

@@ -14,10 +14,6 @@
 #include <thread>
 #include <vector>
 
-#if defined(_MSC_VER)
-#pragma warning(disable: 4244 4267) // possible loss of data
-#endif
-
 using namespace httplib;
 using json = nlohmann::ordered_json;
 

examples/talk-llama/llama.cpp

@@ -16,10 +16,6 @@
 #include <cstring>
 #include <ctime>
 
-#if defined(_MSC_VER)
-#pragma warning(disable: 4244 4267) // possible loss of data
-#endif
-
 //
 // interface implementation
 //

ggml/CMakeLists.txt

@@ -366,6 +366,8 @@ if (MSVC)
         /wd4005  # Macro redefinition
         /wd4244  # Conversion from one type to another type, possible loss of data
         /wd4267  # Conversion from 'size_t' to a smaller type, possible loss of data
+        /wd4996  # Disable POSIX deprecation warnings
+        /wd4702  # Unreachable code warnings
     )
     function(disable_msvc_warnings target_name)
         if(TARGET ${target_name})

ggml/src/ggml-cpu/ggml-cpu-aarch64.cpp

@@ -72,8 +72,6 @@ static_assert(sizeof(block_iq4_nlx4) == 4 * sizeof(ggml_half) + QK4_NL * 2, "wro
 
 #if defined(__GNUC__)
 #pragma GCC diagnostic ignored "-Woverlength-strings"
-#elif defined(_MSC_VER)
-#pragma warning(disable: 4244 4267) // possible loss of data
 #endif
 
 #define UNUSED GGML_UNUSED

ggml/src/ggml-cpu/ggml-cpu-quants.c

@@ -20,12 +20,6 @@
 #define GROUP_MAX_EPS_IQ1_M 1e-7f
 #define GROUP_MAX_EPS_IQ1_S 1e-12f
 
-#if defined(_MSC_VER)
-// disable "possible loss of data" to avoid warnings for hundreds of casts
-// we should just be careful :)
-#pragma warning(disable: 4244 4267)
-#endif
-
 #define UNUSED GGML_UNUSED
 
 // some compilers don't provide _mm256_set_m128i, e.g. gcc 7

ggml/src/ggml-cpu/ggml-cpu.c

@@ -50,19 +50,6 @@
 #include "llamafile/sgemm.h"
 #endif
 
-#if defined(_MSC_VER)
-// disable "possible loss of data" to avoid hundreds of casts
-// we should just be careful :)
-#pragma warning(disable: 4244 4267)
-
-// disable POSIX deprecation warnings
-// these functions are never going away, anyway
-#pragma warning(disable: 4996)
-
-// unreachable code because of multiple instances of code after GGML_ABORT
-#pragma warning(disable: 4702)
-#endif
-
 // Note: once we move threading into a separate C++ file
 // will use std::hardware_destructive_interference_size instead of hardcoding it here
 // and we'll use C++ attribute syntax.

ggml/src/ggml-cpu/ops.cpp

@@ -8,19 +8,6 @@
 
 #include <float.h>
 
-#if defined(_MSC_VER)
-// disable "possible loss of data" to avoid hundreds of casts
-// we should just be careful :)
-#pragma warning(disable: 4244 4267)
-
-// disable POSIX deprecation warnings
-// these functions are never going away, anyway
-#pragma warning(disable: 4996)
-
-// unreachable code because of multiple instances of code after GGML_ABORT
-#pragma warning(disable: 4702)
-#endif
-
 // ggml_compute_forward_dup
 
 static void ggml_compute_forward_dup_same_cont(

ggml/src/ggml-cpu/vec.cpp

@@ -2,12 +2,6 @@
 
 #include <cassert>
 
-#if defined(_MSC_VER)
-// disable "possible loss of data" to avoid hundreds of casts
-// we should just be careful :)
-#pragma warning(disable: 4244 4267)
-#endif
-
 // precomputed gelu table for f16 (128 KB)
 ggml_fp16_t ggml_table_gelu_f16[1 << 16];
 

ggml/src/ggml-cuda/common.cuh

@@ -130,10 +130,6 @@ static int ggml_cuda_highest_compiled_arch(const int arch) {
 
 #define MATRIX_ROW_PADDING 512 // last row of quant. matrices is a multiple of this to avoid out-of-bounds memory accesses
 
-#if defined(_MSC_VER)
-#pragma warning(disable: 4244 4267) // possible loss of data
-#endif
-
 #define GGML_CUDA_MAX_STREAMS 8
 
 [[noreturn]]

ggml/src/ggml-quants.c

@@ -19,12 +19,6 @@
 #define GROUP_MAX_EPS_IQ1_M 1e-7f
 #define GROUP_MAX_EPS_IQ1_S 1e-12f
 
-#if defined(_MSC_VER)
-// disable "possible loss of data" to avoid warnings for hundreds of casts
-// we should just be careful :)
-#pragma warning(disable: 4244 4267)
-#endif
-
 #define UNUSED GGML_UNUSED
 
 // reference implementation for deterministic creation of model files

ggml/src/ggml-sycl/common.hpp

@@ -80,10 +80,6 @@ extern int g_ggml_sycl_disable_optimize;
 // max batch size to use MMQ kernels when tensor cores are available
 #define MMQ_MAX_BATCH_SIZE 32
 
-#if defined(_MSC_VER)
-#pragma warning(disable : 4244 4267) // possible loss of data
-#endif
-
 // dmmv = dequantize_mul_mat_vec
 #ifndef GGML_SYCL_DMMV_X
 #define GGML_SYCL_DMMV_X 32

src/whisper.cpp

@@ -37,10 +37,6 @@
 
 // dummy
 
-#if defined(_MSC_VER)
-#pragma warning(disable: 4244 4267) // possible loss of data
-#endif
-
 #if defined(WHISPER_BIG_ENDIAN)
 template<typename T>
 static T byteswap(T value) {