From 4e84a279a891322e5070ec5abcfbc017e6c8d039 Mon Sep 17 00:00:00 2001 From: Martins Mozeiko Date: Sat, 4 Nov 2017 18:12:18 -0700 Subject: [PATCH] small cleanup in crc32 --- pkg2zip_crc32_x86.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/pkg2zip_crc32_x86.c b/pkg2zip_crc32_x86.c index c99a8c2..868d615 100644 --- a/pkg2zip_crc32_x86.c +++ b/pkg2zip_crc32_x86.c @@ -297,23 +297,23 @@ uint32_t crc32_done_x86(crc32_ctx* ctx) a = _mm_clmulepi64_si128(xmm0, fold, 0x10); b = _mm_clmulepi64_si128(xmm0, fold, 0x01); - xmm1 = _mm_xor_si128(xmm1, a); - xmm1 = _mm_xor_si128(xmm1, b); + t = _mm_xor_si128(xmm1, a); + t = _mm_xor_si128(t, b); - a = _mm_clmulepi64_si128(xmm1, fold, 0x10); - b = _mm_clmulepi64_si128(xmm1, fold, 0x01); - xmm2 = _mm_xor_si128(xmm2, a); - xmm2 = _mm_xor_si128(xmm2, b); + a = _mm_clmulepi64_si128(t, fold, 0x10); + b = _mm_clmulepi64_si128(t, fold, 0x01); + t = _mm_xor_si128(xmm2, a); + t = _mm_xor_si128(t, b); - a = _mm_clmulepi64_si128(xmm2, fold, 0x10); - b = _mm_clmulepi64_si128(xmm2, fold, 0x01); - xmm3 = _mm_xor_si128(xmm3, a); - xmm3 = _mm_xor_si128(xmm3, b); + a = _mm_clmulepi64_si128(t, fold, 0x10); + b = _mm_clmulepi64_si128(t, fold, 0x01); + t = _mm_xor_si128(xmm3, a); + t = _mm_xor_si128(t, b); fold = _mm_setr_epi32(0xccaa009e, 0x00000000, 0x63cd6124, 0x00000001); - a = _mm_clmulepi64_si128(xmm3, fold, 0); - b = _mm_srli_si128(xmm3, 8); + a = _mm_clmulepi64_si128(t, fold, 0); + b = _mm_srli_si128(t, 8); a = _mm_xor_si128(a, b); b = _mm_slli_si128(a, 4);