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Fixed flooring division by a power of 2, once again...
authorsvenpanne@chromium.org <svenpanne@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Wed, 11 Jun 2014 13:29:25 +0000 (13:29 +0000)
committersvenpanne@chromium.org <svenpanne@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Wed, 11 Jun 2014 13:29:25 +0000 (13:29 +0000)
commit23fc5b75a8ca64e77e5321a29feb38a0ea1026cd
treea3ebfa33246be0143c20ea41c28bab0f72186417tree | snapshot
parent6c26eb26abd16a70b849083af179b5396742d46acommit | diff
Fixed flooring division by a power of 2, once again...

Avoid right shifts by zero bits: On ARM it actually means shifting by
32 bits (correctness issue) and on other platforms they are useless
(performance issue). This is fix for the fix in r20544.

BUG=v8:3259
LOG=y
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/324403003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21769 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
src/arm/lithium-codegen-arm.cc diff | blob | history
src/arm64/lithium-codegen-arm64.cc diff | blob | history
src/ia32/lithium-codegen-ia32.cc diff | blob | history
src/x64/lithium-codegen-x64.cc diff | blob | history
test/mjsunit/mjsunit.status diff | blob | history
Domain: Web Framework / Web Engine;