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From "Jim Apple (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-4058: SimdByteSwap::ByteSwap256 assumed memory was 16-byte aligned.
Date Thu, 01 Sep 2016 12:59:19 GMT
Jim Apple has uploaded a new change for review.

  http://gerrit.cloudera.org:8080/4205

Change subject: IMPALA-4058: SimdByteSwap::ByteSwap256 assumed memory was 16-byte aligned.
......................................................................

IMPALA-4058: SimdByteSwap::ByteSwap256 assumed memory was 16-byte aligned.

This changes the code to use the lddqu and movdqu instructions (via
Intel intrinsics) to allow unaligned memory access.

Change-Id: I39b2b47bb717d5ac9727512a24fcf8a8a6a8dcc6
---
M be/src/util/bit-util-test.cc
M be/src/util/bit-util.cc
2 files changed, 20 insertions(+), 12 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/05/4205/1
-- 
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I39b2b47bb717d5ac9727512a24fcf8a8a6a8dcc6
Gerrit-PatchSet: 1
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Jim Apple <jbapple@cloudera.com>

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