[turbofan] Basic reductions of 64-bit machine operators.

[turbofan] Basic reductions of 64-bit machine operators.

Only basic things for now, but enough, for example, to emit

mov rax, [rax+0xc]

instead of

mov rax, 0x3
mov rdx, [rdx+rax*4]

on x64.

BUG=

Committed: https://crrev.com/7eee14448085939587617328d36657bb1b8053a2
Cr-Commit-Position: refs/heads/master@{#38338}

[epertoso, 2016-08-04 10:44:39]

Description was changed from

==========
[turbofan] Basic folding for 64-bit machine operators.

BUG=
==========

to

==========
[turbofan] Basic folding for 64-bit machine operators.

Only basic things for now, but enough, for example, to emit

mov rax, [rax+0xc]

instead of

mov rax, 0x3
mov rdx, [rdx+rax*4]

on x64.

BUG=
==========

[epertoso, 2016-08-04 10:44:39]

epertoso@chromium.org changed reviewers:
+ bmeurer@chromium.org

[epertoso, 2016-08-04 10:44:44]

The CQ bit was checked by epertoso@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-08-04 10:44:56]

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

[epertoso, 2016-08-04 10:54:30]

Description was changed from

==========
[turbofan] Basic folding for 64-bit machine operators.

Only basic things for now, but enough, for example, to emit

mov rax, [rax+0xc]

instead of

mov rax, 0x3
mov rdx, [rdx+rax*4]

on x64.

BUG=
==========

to

==========
[turbofan] Basic reductions of 64-bit machine operators.

Only basic things for now, but enough, for example, to emit

mov rax, [rax+0xc]

instead of

mov rax, 0x3
mov rdx, [rdx+rax*4]

on x64.

BUG=
==========

[Benedikt Meurer, 2016-08-04 11:03:19]

lgtm

[commit-bot: I haz the power, 2016-08-04 11:08:01]

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

[commit-bot: I haz the power, 2016-08-04 11:08:02]

Dry run: This issue passed the CQ dry run.

[epertoso, 2016-08-04 12:18:39]

The CQ bit was checked by epertoso@chromium.org

[epertoso, 2016-08-04 12:18:39]

The patchset sent to the CQ was uploaded after l-g-t-m from bmeurer@chromium.org
Link to the patchset: https://codereview.chromium.org/2211633003/#ps20001
(title: "Forgot the tests for Word64 shifts.")

[commit-bot: I haz the power, 2016-08-04 12:18:42]

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, 2016-08-04 12:36:47]

Description was changed from

==========
[turbofan] Basic reductions of 64-bit machine operators.

Only basic things for now, but enough, for example, to emit

mov rax, [rax+0xc]

instead of

mov rax, 0x3
mov rdx, [rdx+rax*4]

on x64.

BUG=
==========

to

==========
[turbofan] Basic reductions of 64-bit machine operators.

Only basic things for now, but enough, for example, to emit

mov rax, [rax+0xc]

instead of

mov rax, 0x3
mov rdx, [rdx+rax*4]

on x64.

BUG=
==========

[commit-bot: I haz the power, 2016-08-04 12:36:48]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-08-04 12:37:18]

Description was changed from

==========
[turbofan] Basic reductions of 64-bit machine operators.

Only basic things for now, but enough, for example, to emit

mov rax, [rax+0xc]

instead of

mov rax, 0x3
mov rdx, [rdx+rax*4]

on x64.

BUG=
==========

to

==========
[turbofan] Basic reductions of 64-bit machine operators.

Only basic things for now, but enough, for example, to emit

mov rax, [rax+0xc]

instead of

mov rax, 0x3
mov rdx, [rdx+rax*4]

on x64.

BUG=

Committed: https://crrev.com/7eee14448085939587617328d36657bb1b8053a2
Cr-Commit-Position: refs/heads/master@{#38338}
==========

[commit-bot: I haz the power, 2016-08-04 12:37:19]

Patchset 2 (id:??) landed as
https://crrev.com/7eee14448085939587617328d36657bb1b8053a2
Cr-Commit-Position: refs/heads/master@{#38338}