This relands commit r23899.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/565093002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23910 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This reverts commit r23899.

TBR=ulan@chromium.org

Review URL: https://codereview.chromium.org/552253003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23902 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This makes the syntactic order consistent with the evaluation order.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/561133005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23899 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Avoid corrupting the input and small assembly tuning.

BUG=none
TEST=test/mjsunit/lithium/MathExp.js
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/24278004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16913 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Avoid corrupting its input in some cases.

BUG=none
TEST=test/mjsunit/lithium/StoreKeyed*.js
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/23600054

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16771 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=none
TEST=test/mjsunit/lithium/DivI.js
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23536045

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16727 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TEST=/test/mjsunit/lithium/SeqStringSetChar.js
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23890007

Patch from Rodolph Perfetta <rodolph.perfetta@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16707 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TEST=test/mjsunit/lithium/MulI.js
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/23452022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16576 ce2b1a6d-e550-0410-aec6-3dcde31c8c00