X87: [date] Refactor the %_DateField intrinsic to be optimizable.

X87: [date] Refactor the %_DateField intrinsic to be optimizable.

port e4782a9b468258344d512a5f7dadbf1584928849 (r28782)

original commit message:

    Previously the %_DateField intrinsic would also check the object and
    throw an exception if you happen to pass something that is not a valid
    JSDate, which (a) violates our policy for instrinsics and (b) is hard to
    optimize in TurboFan (even Crankshaft has a hard time, but there we will
    never inline the relevant builtins, so it doesn't show up). The throwing
    part is now a separate intrinsics %_ThrowIfNotADate that throws an
    exception in full codegen and deoptimizes in Crankshaft, which means the
    code for the current use cases is roughly the same (modulo some register
    renamings/gap moves).

BUG=
R=weiliang.lin@intel.com

Committed: https://chromium.googlesource.com/v8/v8/+/c8b7c2496d38a220354a54278a64655fce898b9f

[chunyang.dai, 2015-06-11 08:41:04]

chunyang.dai@intel.com changed reviewers:
+ weiliang.lin@intel.com

[chunyang.dai, 2015-06-11 08:41:04]

PTAL

[Weiliang, 2015-06-11 08:58:43]

The CQ bit was checked by weiliang.lin@intel.com

[Weiliang, 2015-06-11 08:58:43]

lgtm

[commit-bot: I haz the power, 2015-06-11 08:58:59]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1174913002/1

[commit-bot: I haz the power, 2015-06-11 09:19:42]

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

[commit-bot: I haz the power, 2015-06-11 09:19:43]

Try jobs failed on following builders:
  v8_linux64_avx2_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_avx2_rel/builds/...)

[commit-bot: I haz the power, 2015-06-11 15:48:32]

Patchset 1 (id:??) landed as
https://crrev.com/c8b7c2496d38a220354a54278a64655fce898b9f
Cr-Commit-Position: refs/heads/master@{#28948}

[chunyang.dai, 2015-06-11 15:48:36]

Committed patchset #1 (id:1) manually as
c8b7c2496d38a220354a54278a64655fce898b9f (presubmit successful).