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noodle: remove redundant bitmask

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This commit is contained in:
Matthew Barr 2016-04-21 15:50:01 +10:00
parent fe8ffc5544
commit 54c0fb7e0e
1 changed files with 2 additions and 2 deletions
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4
src/hwlm/noodle_engine_avx2.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015, Intel Corporation
* Copyright (c) 2015-2016, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@ -221,7 +221,7 @@ hwlm_error_t scanDoubleFast(const u8 *buf, size_t len, const u8 *key,
u32 z0 = movemask256(eq256(mask1, v));
u32 z1 = movemask256(eq256(mask2, v));
u32 z = (lastz0 | (z0 << 1)) & z1;
lastz0 = (z0 & 0x80000000) >> 31;
lastz0 = z0 >> 31;
// On large packet buffers, this prefetch appears to get us about 2%.
__builtin_prefetch(d + 128);