slow-hash: cache TLS references locally once at function start
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moneromooo-monero
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5bbbe3902b
commit
7ac3334217
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@ -274,10 +274,10 @@ static inline int use_v4_jit(void)
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#define VARIANT2_2() \
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do if (variant == 2 || variant == 3) \
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{ \
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*U64(hp_state + (j ^ 0x10)) ^= SWAP64LE(hi); \
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*(U64(hp_state + (j ^ 0x10)) + 1) ^= SWAP64LE(lo); \
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hi ^= SWAP64LE(*U64(hp_state + (j ^ 0x20))); \
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lo ^= SWAP64LE(*(U64(hp_state + (j ^ 0x20)) + 1)); \
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*U64(local_hp_state + (j ^ 0x10)) ^= SWAP64LE(hi); \
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*(U64(local_hp_state + (j ^ 0x10)) + 1) ^= SWAP64LE(lo); \
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hi ^= SWAP64LE(*U64(local_hp_state + (j ^ 0x20))); \
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lo ^= SWAP64LE(*(U64(local_hp_state + (j ^ 0x20)) + 1)); \
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} while (0)
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#define V4_REG_LOAD(dst, src) \
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@ -405,7 +405,7 @@ static inline int use_v4_jit(void)
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#define pre_aes() \
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j = state_index(a); \
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_c = _mm_load_si128(R128(&hp_state[j])); \
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_c = _mm_load_si128(R128(&local_hp_state[j])); \
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_a = _mm_load_si128(R128(a)); \
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/*
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@ -418,20 +418,20 @@ static inline int use_v4_jit(void)
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* This code is based upon an optimized implementation by dga.
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*/
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#define post_aes() \
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VARIANT2_SHUFFLE_ADD_SSE2(hp_state, j); \
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VARIANT2_SHUFFLE_ADD_SSE2(local_hp_state, j); \
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_mm_store_si128(R128(c), _c); \
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_mm_store_si128(R128(&hp_state[j]), _mm_xor_si128(_b, _c)); \
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VARIANT1_1(&hp_state[j]); \
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_mm_store_si128(R128(&local_hp_state[j]), _mm_xor_si128(_b, _c)); \
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VARIANT1_1(&local_hp_state[j]); \
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j = state_index(c); \
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p = U64(&hp_state[j]); \
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p = U64(&local_hp_state[j]); \
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b[0] = p[0]; b[1] = p[1]; \
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VARIANT2_INTEGER_MATH_SSE2(b, c); \
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VARIANT4_RANDOM_MATH(a, b, r, &_b, &_b1); \
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__mul(); \
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VARIANT2_2(); \
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VARIANT2_SHUFFLE_ADD_SSE2(hp_state, j); \
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VARIANT2_SHUFFLE_ADD_SSE2(local_hp_state, j); \
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a[0] += hi; a[1] += lo; \
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p = U64(&hp_state[j]); \
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p = U64(&local_hp_state[j]); \
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p[0] = a[0]; p[1] = a[1]; \
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a[0] ^= b[0]; a[1] ^= b[1]; \
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VARIANT1_2(p + 1); \
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@ -893,6 +893,10 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
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if(hp_state == NULL)
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slow_hash_allocate_state();
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// locals to avoid constant TLS dereferencing
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uint8_t *local_hp_state = hp_state;
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v4_random_math_JIT_func local_hp_jitfunc = hp_jitfunc;
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/* CryptoNight Step 1: Use Keccak1600 to initialize the 'state' (and 'text') buffers from the data. */
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if (prehashed) {
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memcpy(&state.hs, data, length);
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@ -915,7 +919,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
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for(i = 0; i < MEMORY / INIT_SIZE_BYTE; i++)
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{
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aes_pseudo_round(text, text, expandedKey, INIT_SIZE_BLK);
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memcpy(&hp_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE);
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memcpy(&local_hp_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE);
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}
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}
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else
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@ -927,7 +931,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
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for(j = 0; j < INIT_SIZE_BLK; j++)
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aesb_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], aes_ctx->key->exp_data);
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memcpy(&hp_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE);
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memcpy(&local_hp_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE);
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}
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}
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@ -975,7 +979,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
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for(i = 0; i < MEMORY / INIT_SIZE_BYTE; i++)
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{
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// add the xor to the pseudo round
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aes_pseudo_round_xor(text, text, expandedKey, &hp_state[i * INIT_SIZE_BYTE], INIT_SIZE_BLK);
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aes_pseudo_round_xor(text, text, expandedKey, &local_hp_state[i * INIT_SIZE_BYTE], INIT_SIZE_BLK);
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}
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}
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else
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@ -985,7 +989,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
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{
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for(j = 0; j < INIT_SIZE_BLK; j++)
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{
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xor_blocks(&text[j * AES_BLOCK_SIZE], &hp_state[i * INIT_SIZE_BYTE + j * AES_BLOCK_SIZE]);
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xor_blocks(&text[j * AES_BLOCK_SIZE], &local_hp_state[i * INIT_SIZE_BYTE + j * AES_BLOCK_SIZE]);
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aesb_pseudo_round(&text[AES_BLOCK_SIZE * j], &text[AES_BLOCK_SIZE * j], aes_ctx->key->exp_data);
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}
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}
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@ -1065,24 +1069,24 @@ union cn_slow_hash_state
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#define pre_aes() \
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j = state_index(a); \
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_c = vld1q_u8(&hp_state[j]); \
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_c = vld1q_u8(&local_hp_state[j]); \
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_a = vld1q_u8((const uint8_t *)a); \
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#define post_aes() \
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VARIANT2_SHUFFLE_ADD_NEON(hp_state, j); \
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VARIANT2_SHUFFLE_ADD_NEON(local_hp_state, j); \
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vst1q_u8((uint8_t *)c, _c); \
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vst1q_u8(&hp_state[j], veorq_u8(_b, _c)); \
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VARIANT1_1(&hp_state[j]); \
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vst1q_u8(&local_hp_state[j], veorq_u8(_b, _c)); \
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VARIANT1_1(&local_hp_state[j]); \
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j = state_index(c); \
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p = U64(&hp_state[j]); \
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p = U64(&local_hp_state[j]); \
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b[0] = p[0]; b[1] = p[1]; \
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VARIANT2_PORTABLE_INTEGER_MATH(b, c); \
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VARIANT4_RANDOM_MATH(a, b, r, &_b, &_b1); \
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__mul(); \
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VARIANT2_2(); \
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VARIANT2_SHUFFLE_ADD_NEON(hp_state, j); \
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VARIANT2_SHUFFLE_ADD_NEON(local_hp_state, j); \
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a[0] += hi; a[1] += lo; \
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p = U64(&hp_state[j]); \
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p = U64(&local_hp_state[j]); \
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p[0] = a[0]; p[1] = a[1]; \
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a[0] ^= b[0]; a[1] ^= b[1]; \
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VARIANT1_2(p + 1); \
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@ -1245,9 +1249,9 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
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RDATA_ALIGN16 uint8_t expandedKey[240];
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#ifndef FORCE_USE_HEAP
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RDATA_ALIGN16 uint8_t hp_state[MEMORY];
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RDATA_ALIGN16 uint8_t local_hp_state[MEMORY];
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#else
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uint8_t *hp_state = (uint8_t *)aligned_malloc(MEMORY,16);
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uint8_t *local_hp_state = (uint8_t *)aligned_malloc(MEMORY,16);
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#endif
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uint8_t text[INIT_SIZE_BYTE];
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@ -1287,7 +1291,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
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for(i = 0; i < MEMORY / INIT_SIZE_BYTE; i++)
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{
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aes_pseudo_round(text, text, expandedKey, INIT_SIZE_BLK);
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memcpy(&hp_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE);
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memcpy(&local_hp_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE);
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}
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U64(a)[0] = U64(&state.k[0])[0] ^ U64(&state.k[32])[0];
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@ -1322,7 +1326,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
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for(i = 0; i < MEMORY / INIT_SIZE_BYTE; i++)
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{
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// add the xor to the pseudo round
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aes_pseudo_round_xor(text, text, expandedKey, &hp_state[i * INIT_SIZE_BYTE], INIT_SIZE_BLK);
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aes_pseudo_round_xor(text, text, expandedKey, &local_hp_state[i * INIT_SIZE_BYTE], INIT_SIZE_BLK);
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}
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/* CryptoNight Step 5: Apply Keccak to the state again, and then
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@ -1337,7 +1341,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
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extra_hashes[state.hs.b[0] & 3](&state, 200, hash);
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#ifdef FORCE_USE_HEAP
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aligned_free(hp_state);
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aligned_free(local_hp_state);
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#endif
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}
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#else /* aarch64 && crypto */
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