MIPS: Fix unaligned double acces in cctest/test-simplified-lowering/RunAccessTests_float64.

MIPS: Fix unaligned double access in cctest/test-simplified-lowering/RunAccessTests_float64.

TEST=cctest/test-simplified-lowering/RunAccessTests_float64
BUG=

Committed: https://crrev.com/ed01b6b0df6de4885eac8b5815c4aed77c93219d
Cr-Commit-Position: refs/heads/master@{#29128}

[balazs.kilvady, 2015-06-18 15:38:22]

balazs.kilvady@imgtec.com changed reviewers:
+ akos.palfi@imgtec.com, bmeurer@chromium.org, danno@chromium.org,
dusan.milosavljevic@imgtec.com, paul.lind@imgtec.com, titzer@chromium.org

[paul.l..., 2015-06-18 17:32:50]

lgtm, but this needs v8 team approval. Can you PTAL?

[balazs.kilvady, 2015-06-18 17:46:26]

The CQ bit was checked by balazs.kilvady@imgtec.com to run a CQ dry run

[commit-bot: I haz the power, 2015-06-18 17:46:42]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1182713004/1

[titzer, 2015-06-18 17:49:46]

lgtm

[balazs.kilvady, 2015-06-18 18:15:58]

The CQ bit was unchecked by balazs.kilvady@imgtec.com

[balazs.kilvady, 2015-06-18 18:16:04]

The CQ bit was checked by balazs.kilvady@imgtec.com

[commit-bot: I haz the power, 2015-06-18 18:16:26]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1182713004/1

[commit-bot: I haz the power, 2015-06-18 19:48:27]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-18 19:48:44]

Patchset 1 (id:??) landed as
https://crrev.com/ed01b6b0df6de4885eac8b5815c4aed77c93219d
Cr-Commit-Position: refs/heads/master@{#29128}