[x64] Refactor AVX instructions declarations.

[x64] Refactor AVX instructions declarations.

BUG=v8:4406
LOG=N

Committed: https://crrev.com/c62e4f2debbc8261df4f1a4bd35901e2133677c5
Cr-Commit-Position: refs/heads/master@{#31394}

[alph, 2015-10-20 00:42:03]

alph@chromium.org changed reviewers:
+ bmeurer@chromium.org, yurys@chromium.org

[Benedikt Meurer, 2015-10-20 03:35:33]

The CQ bit was checked by bmeurer@chromium.org

[Benedikt Meurer, 2015-10-20 03:35:33]

lgtm

[commit-bot: I haz the power, 2015-10-20 03:35:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1415463004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1415463004/1

[commit-bot: I haz the power, 2015-10-20 03:36:31]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-10-20 03:36:32]

Try jobs failed on following builders:
  v8_linux_dbg on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_dbg/builds/9759)
  v8_linux_gcc_compile_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_gcc_compile_rel/bu...)
  v8_linux_mipsel_compile_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_mipsel_compile_rel...)
  v8_mac_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_mac_rel/builds/10859)

[alph, 2015-10-20 05:32:19]

The CQ bit was checked by alph@chromium.org

[commit-bot: I haz the power, 2015-10-20 05:32:26]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1415463004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1415463004/1

[commit-bot: I haz the power, 2015-10-20 06:41:24]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-20 06:41:42]

Patchset 1 (id:??) landed as
https://crrev.com/c62e4f2debbc8261df4f1a4bd35901e2133677c5
Cr-Commit-Position: refs/heads/master@{#31394}