[Impala-CR](cdh5-trunk) IMPALA-3604: Clean up SSE handling

["Youwei Wang (Code Review)" <ge...@cloudera.org>]

Youwei Wang has uploaded a new change for review.

  http://gerrit.cloudera.org:8080/3227

Change subject: IMPALA-3604: Clean up SSE handling
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IMPALA-3604: Clean up SSE handling

Use __attribute__((target("sse4.2"))) supported by GCC compiler
to enable advanced intrinsics supports, which brings better
readability and maintainability than using inline ASM.
It also avoids to turn the "-msse4.2" option globally
in the configuration file, which may yield
some unsupported instructions for old CPUs.

Change-Id: Id346187f3248922ec2a323548de4bdeaccd7a771
---
M be/src/util/sse-util.h
1 file changed, 23 insertions(+), 25 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala refs/changes/27/3227/1
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Id346187f3248922ec2a323548de4bdeaccd7a771
Gerrit-PatchSet: 1
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Youwei Wang <42...@qq.com>