Revert "Handle non-power-of-2 divisors in division-like operations", "A64 tweaks for division-like …

Revert "Handle non-power-of-2 divisors in division-like operations", "A64 tweaks for division-like operations." and "Windows build fix.".

This reverts commit 19719, 19720 and 19721 because
mozilla/ecma/Date/15.9.3.1-1 fails (in release mode only?).

TBR=bmeurer@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=19722

[Sven Panne, 2014-03-07 13:12:16]

Committed patchset #1 manually as r19722 (tree was closed).

[titzer, 2014-03-07 14:51:14]

On 2014/03/07 13:12:16, Sven Panne wrote:
> Committed patchset #1 manually as r19722 (tree was closed).

Could you include some mjsunit tests for this optimization when you land this
again? (e.g. various dividend / divisor combinations). It is quite a tricky
thing and seems like better test coverage would help us get some confidence.