diff options
Diffstat (limited to 'src/plugins')
| -rw-r--r-- | src/plugins/crypto_native/ghash.h | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/src/plugins/crypto_native/ghash.h b/src/plugins/crypto_native/ghash.h index 1ee1a997997..a2886a468e9 100644 --- a/src/plugins/crypto_native/ghash.h +++ b/src/plugins/crypto_native/ghash.h @@ -105,18 +105,6 @@ #ifndef __ghash_h__ #define __ghash_h__ -/* on AVX-512 systems we can save a clock cycle by using ternary logic - instruction to calculate a XOR b XOR c */ -static_always_inline u8x16 -ghash_xor3 (u8x16 a, u8x16 b, u8x16 c) -{ -#if defined (__AVX512F__) - return (u8x16) _mm_ternarylogic_epi32 ((__m128i) a, (__m128i) b, - (__m128i) c, 0x96); -#endif - return a ^ b ^ c; -} - static_always_inline u8x16 gmul_lo_lo (u8x16 a, u8x16 b) { @@ -204,8 +192,8 @@ ghash_mul_next (ghash_data_t * gd, u8x16 a, u8x16 b) if (gd->pending) { /* there is peding data from previous invocation so we can XOR */ - gd->hi = ghash_xor3 (gd->hi, gd->tmp_hi, hi); - gd->lo = ghash_xor3 (gd->lo, gd->tmp_lo, lo); + gd->hi = u8x16_xor3 (gd->hi, gd->tmp_hi, hi); + gd->lo = u8x16_xor3 (gd->lo, gd->tmp_lo, lo); gd->pending = 0; } else @@ -217,7 +205,7 @@ ghash_mul_next (ghash_data_t * gd, u8x16 a, u8x16 b) } /* gd->mid ^= a0 * b1 ^ a1 * b0 */ - gd->mid = ghash_xor3 (gd->mid, gmul_hi_lo (a, b), gmul_lo_hi (a, b)); + gd->mid = u8x16_xor3 (gd->mid, gmul_hi_lo (a, b), gmul_lo_hi (a, b)); } static_always_inline void @@ -233,8 +221,8 @@ ghash_reduce (ghash_data_t * gd) if (gd->pending) { - gd->lo = ghash_xor3 (gd->lo, gd->tmp_lo, midl); - gd->hi = ghash_xor3 (gd->hi, gd->tmp_hi, midr); + gd->lo = u8x16_xor3 (gd->lo, gd->tmp_lo, midl); + gd->hi = u8x16_xor3 (gd->hi, gd->tmp_hi, midr); } else { @@ -255,7 +243,7 @@ ghash_reduce2 (ghash_data_t * gd) static_always_inline u8x16 ghash_final (ghash_data_t * gd) { - return ghash_xor3 (gd->hi, u8x16_word_shift_right (gd->tmp_lo, 4), + return u8x16_xor3 (gd->hi, u8x16_word_shift_right (gd->tmp_lo, 4), u8x16_word_shift_left (gd->tmp_hi, 4)); } |