Revert of [WASM] Fix failing Wasm SIMD F32x4 tests.

Revert of [WASM] Fix failing Wasm SIMD F32x4 tests. (patchset #7 id:130001 of https://codereview.chromium.org/2594043002/ )

Reason for revert:
F32x4Add / Sub are still failing. I'll have to investigate on ARM hardware when I get back.

Original issue's description:
> [WASM] Fix failing Wasm SIMD F32x4 tests.
> - Perform lane checks using FP compare instead of reinterpret casts. 0 and -0
> will be different under I32 compare.
> - Some arithmetic operations can generate NaN results, such as adding -Inf
> and +Inf. Skip these tests until we have a way to do more sophisticated
> FP comparisons in the SIMD tests.
> - Eliminate a redundant F32x4 parameter for FP SIMD vector checking. We will only have this one FP type.
> 
> LOG=N
> BUG=v8:4124
> 
> Review-Url: https://codereview.chromium.org/2594043002
> Cr-Commit-Position: refs/heads/master@{#42154}
> Committed: https://chromium.googlesource.com/v8/v8/+/5560bbb498252334595a39bb5f313ac8eb82cfe1

TBR=titzer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4124
Review-Url: https://codereview.chromium.org/2624713002
Cr-Commit-Position: refs/heads/master@{#42162}
Committed: https://chromium.googlesource.com/v8/v8/+/0df234b0edb49fa83e8b7b5464d3340f8ac27fd9

[bbudge, 2017-01-10 09:34:24]

The CQ bit was checked by bbudge@chromium.org

[bbudge, 2017-01-10 09:34:24]

Created Revert of [WASM] Fix failing Wasm SIMD F32x4 tests.

[commit-bot: I haz the power, 2017-01-10 09:34:26]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-01-10 09:34:33]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484040864249940, "parent_rev":
"a3859e48c3c5c1c4f8a0c76b65a389b6063eba89", "commit_rev":
"0df234b0edb49fa83e8b7b5464d3340f8ac27fd9"}

[commit-bot: I haz the power, 2017-01-10 09:34:36]

Description was changed from

==========
Revert of [WASM] Fix failing Wasm SIMD F32x4 tests. (patchset #7 id:130001 of
https://codereview.chromium.org/2594043002/ )

Reason for revert:
F32x4Add / Sub are still failing. I'll have to investigate on ARM hardware when
I get back.

Original issue's description:
> [WASM] Fix failing Wasm SIMD F32x4 tests.
> - Perform lane checks using FP compare instead of reinterpret casts. 0 and -0
> will be different under I32 compare.
> - Some arithmetic operations can generate NaN results, such as adding -Inf
> and +Inf. Skip these tests until we have a way to do more sophisticated
> FP comparisons in the SIMD tests.
> - Eliminate a redundant F32x4 parameter for FP SIMD vector checking. We will
only have this one FP type.
> 
> LOG=N
> BUG=v8:4124
> 
> Review-Url: https://codereview.chromium.org/2594043002
> Cr-Commit-Position: refs/heads/master@{#42154}
> Committed:
https://chromium.googlesource.com/v8/v8/+/5560bbb498252334595a39bb5f313ac8eb8...

TBR=titzer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4124
==========

to

==========
Revert of [WASM] Fix failing Wasm SIMD F32x4 tests. (patchset #7 id:130001 of
https://codereview.chromium.org/2594043002/ )

Reason for revert:
F32x4Add / Sub are still failing. I'll have to investigate on ARM hardware when
I get back.

Original issue's description:
> [WASM] Fix failing Wasm SIMD F32x4 tests.
> - Perform lane checks using FP compare instead of reinterpret casts. 0 and -0
> will be different under I32 compare.
> - Some arithmetic operations can generate NaN results, such as adding -Inf
> and +Inf. Skip these tests until we have a way to do more sophisticated
> FP comparisons in the SIMD tests.
> - Eliminate a redundant F32x4 parameter for FP SIMD vector checking. We will
only have this one FP type.
> 
> LOG=N
> BUG=v8:4124
> 
> Review-Url: https://codereview.chromium.org/2594043002
> Cr-Commit-Position: refs/heads/master@{#42154}
> Committed:
https://chromium.googlesource.com/v8/v8/+/5560bbb498252334595a39bb5f313ac8eb8...

TBR=titzer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4124

Review-Url: https://codereview.chromium.org/2624713002
Cr-Commit-Position: refs/heads/master@{#42162}
Committed:
https://chromium.googlesource.com/v8/v8/+/0df234b0edb49fa83e8b7b5464d3340f8ac...
==========

[commit-bot: I haz the power, 2017-01-10 09:34:36]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/0df234b0edb49fa83e8b7b5464d3340f8ac...