[simd.js] Macro-ize more SIMD code (2).

[simd.js] Macro-ize more SIMD code.

Use macros for SIMD get/set_lane, and print fns.

LOG=N
BUG=v8:4124
Committed: https://crrev.com/f33d5717eb49cdc23a1780af69554fd9c7f3ecc8
Cr-Commit-Position: refs/heads/master@{#30239}

[bbudge, 2015-08-18 17:20:54]

bbudge@chromium.org changed reviewers:
+ bmeurer@chromium.org, jarin@chromium.org

[bbudge, 2015-08-18 17:20:55]

I split this off of https://codereview.chromium.org/1294513004/ to simplify that
review. That CL will depend on this one.
PTAL

[Jarin, 2015-08-18 19:50:03]

lgtm

[bbudge, 2015-08-18 20:12:51]

The CQ bit was checked by bbudge@chromium.org

[bbudge, 2015-08-18 20:12:52]

The patchset sent to the CQ was uploaded after l-g-t-m from jarin@chromium.org
Link to the patchset: https://codereview.chromium.org/1302513004/#ps40001
(title: "2 more #undefs")

[commit-bot: I haz the power, 2015-08-18 20:13:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1302513004/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1302513004/40001

[commit-bot: I haz the power, 2015-08-18 20:39:48]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-08-18 20:40:06]

Patchset 3 (id:??) landed as
https://crrev.com/f33d5717eb49cdc23a1780af69554fd9c7f3ecc8
Cr-Commit-Position: refs/heads/master@{#30239}