hardnested SIMD select

[proxmark3-svn] / client / hardnested / hardnested_bf_core.c

diff --git a/client/hardnested/hardnested_bf_core.c b/client/hardnested/hardnested_bf_core.c
index 3c0c044ff5b7932ffb0418502abe0d16634f153b..d716f7022408f4139642c17d2b08b3fcf703bb72 100644 (file)
--- a/client/hardnested/hardnested_bf_core.c
+++ b/client/hardnested/hardnested_bf_core.c
@@ -544,48 +544,94 @@ out:
 
 #ifndef __MMX__
 
-// pointers to functions:
-crack_states_bitsliced_t *crack_states_bitsliced_function_p = &crack_states_bitsliced_dispatch;
-bitslice_test_nonces_t *bitslice_test_nonces_function_p = &bitslice_test_nonces_dispatch;
+static SIMDExecInstr intSIMDInstr = SIMD_AUTO;
 
-// determine the available instruction set at runtime and call the correct function
-const uint64_t crack_states_bitsliced_dispatch(uint32_t cuid, uint8_t *best_first_bytes, statelist_t *p, uint32_t *keys_found, uint64_t *num_keys_tested, uint32_t nonces_to_bruteforce, uint8_t *bf_test_nonce_2nd_byte, noncelist_t *nonces) {
+void SetSIMDInstr(SIMDExecInstr instr) {
+       intSIMDInstr = instr;
+}
+
+SIMDExecInstr GetSIMDInstr() {
+       SIMDExecInstr instr = SIMD_NONE;
+       
 #if defined (__i386__) || defined (__x86_64__)
        #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8 || __clang_major__ == 8 && __clang_minor__ >= 1))
                #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) 
-               if (__builtin_cpu_supports("avx512f")) crack_states_bitsliced_function_p = &crack_states_bitsliced_AVX512;
-               else if (__builtin_cpu_supports("avx2")) crack_states_bitsliced_function_p = &crack_states_bitsliced_AVX2;
+               if (__builtin_cpu_supports("avx512f")) instr = SIMD_AVX512;
+               else if (__builtin_cpu_supports("avx2")) instr = SIMD_AVX2;
                #else
-               if (__builtin_cpu_supports("avx2")) crack_states_bitsliced_function_p = &crack_states_bitsliced_AVX2;
+               if (__builtin_cpu_supports("avx2")) instr = SIMD_AVX2;
                #endif
-               else if (__builtin_cpu_supports("avx")) crack_states_bitsliced_function_p = &crack_states_bitsliced_AVX;
-               else if (__builtin_cpu_supports("sse2")) crack_states_bitsliced_function_p = &crack_states_bitsliced_SSE2;
-               else if (__builtin_cpu_supports("mmx")) crack_states_bitsliced_function_p = &crack_states_bitsliced_MMX;
+               else if (__builtin_cpu_supports("avx")) instr = SIMD_AVX;
+               else if (__builtin_cpu_supports("sse2")) instr = SIMD_SSE2;
+               else if (__builtin_cpu_supports("mmx")) instr = SIMD_MMX;
                else
        #endif
 #endif
-               crack_states_bitsliced_function_p = &crack_states_bitsliced_NOSIMD;
+               instr = SIMD_NONE;
+               
+       return instr;
+}
+
+SIMDExecInstr GetSIMDInstrAuto() {
+       SIMDExecInstr instr = intSIMDInstr;
+       if (instr == SIMD_AUTO)
+               return GetSIMDInstr();
+       
+       return instr;
+}
+
+// pointers to functions:
+crack_states_bitsliced_t *crack_states_bitsliced_function_p = &crack_states_bitsliced_dispatch;
+bitslice_test_nonces_t *bitslice_test_nonces_function_p = &bitslice_test_nonces_dispatch;
+
+// determine the available instruction set at runtime and call the correct function
+const uint64_t crack_states_bitsliced_dispatch(uint32_t cuid, uint8_t *best_first_bytes, statelist_t *p, uint32_t *keys_found, uint64_t *num_keys_tested, uint32_t nonces_to_bruteforce, uint8_t *bf_test_nonce_2nd_byte, noncelist_t *nonces) {
+       switch(GetSIMDInstrAuto()) {
+               case SIMD_AVX512:
+                       crack_states_bitsliced_function_p = &crack_states_bitsliced_AVX512;
+                       break;
+               case SIMD_AVX2:
+                       crack_states_bitsliced_function_p = &crack_states_bitsliced_AVX2;
+                       break;
+               case SIMD_AVX:
+                       crack_states_bitsliced_function_p = &crack_states_bitsliced_AVX;
+                       break;
+               case SIMD_SSE2:
+                       crack_states_bitsliced_function_p = &crack_states_bitsliced_SSE2;
+                       break;
+               case SIMD_MMX:
+                       crack_states_bitsliced_function_p = &crack_states_bitsliced_MMX;
+                       break;
+               default:
+                       crack_states_bitsliced_function_p = &crack_states_bitsliced_NOSIMD;
+                       break;
+       }       
 
     // call the most optimized function for this CPU
     return (*crack_states_bitsliced_function_p)(cuid, best_first_bytes, p, keys_found, num_keys_tested, nonces_to_bruteforce, bf_test_nonce_2nd_byte, nonces);
 }
 
 void bitslice_test_nonces_dispatch(uint32_t nonces_to_bruteforce, uint32_t *bf_test_nonce, uint8_t *bf_test_nonce_par) {
-#if defined (__i386__) || defined (__x86_64__) 
-       #if !defined(__APPLE__) || (defined(__APPLE__) && (__clang_major__ > 8 || __clang_major__ == 8 && __clang_minor__ >= 1))
-               #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2)
-               if (__builtin_cpu_supports("avx512f")) bitslice_test_nonces_function_p = &bitslice_test_nonces_AVX512;
-               else if (__builtin_cpu_supports("avx2")) bitslice_test_nonces_function_p = &bitslice_test_nonces_AVX2;
-               #else
-               if (__builtin_cpu_supports("avx2")) bitslice_test_nonces_function_p = &bitslice_test_nonces_AVX2;
-               #endif
-               else if (__builtin_cpu_supports("avx")) bitslice_test_nonces_function_p = &bitslice_test_nonces_AVX;
-               else if (__builtin_cpu_supports("sse2")) bitslice_test_nonces_function_p = &bitslice_test_nonces_SSE2;
-               else if (__builtin_cpu_supports("mmx")) bitslice_test_nonces_function_p = &bitslice_test_nonces_MMX;
-               else
-       #endif
-#endif
-               bitslice_test_nonces_function_p = &bitslice_test_nonces_NOSIMD;
+       switch(GetSIMDInstrAuto()) {
+               case SIMD_AVX512:
+                       bitslice_test_nonces_function_p = &bitslice_test_nonces_AVX512;
+                       break;
+               case SIMD_AVX2:
+                       bitslice_test_nonces_function_p = &bitslice_test_nonces_AVX2;
+                       break;
+               case SIMD_AVX:
+                       bitslice_test_nonces_function_p = &bitslice_test_nonces_AVX;
+                       break;
+               case SIMD_SSE2:
+                       bitslice_test_nonces_function_p = &bitslice_test_nonces_SSE2;
+                       break;
+               case SIMD_MMX:
+                       bitslice_test_nonces_function_p = &bitslice_test_nonces_MMX;
+                       break;
+               default:
+                       bitslice_test_nonces_function_p = &bitslice_test_nonces_NOSIMD;
+                       break;
+       }       
 
     // call the most optimized function for this CPU
     (*bitslice_test_nonces_function_p)(nonces_to_bruteforce, bf_test_nonce, bf_test_nonce_par);