AuroraMiddleware/v8
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Author SHA1 Message Date
mvstanton@chromium.org
81b22bbf96 A performance regression in array literal creation was caused by refactoring that eliminated a special fast case for shallow arrays. At the same time the general case got a bit slower. This CL restores most of the performance without coding the special fast case. The virtual dispatching is unnecessary because we know what we want to do at compile time. A flag was added to Runtime::CreateArrayLiteral. The flags delivers information about shallowness but also whether or not allocation mementos should be created. This is useful for crankshafted code. 
BUG=v8:3008
LOG=Y
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/77293003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18046 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-11-25 12:41:27 +00:00
verwaest@chromium.org
dccc06e132 Disable stress-gc for memento-related test. 
R=mvstanton@chromium.org

Review URL: https://chromiumcodereview.appspot.com/64003004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17559 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-11-07 12:20:45 +00:00
mvstanton@chromium.org
59c32b6481 Transitions from DOUBLE to FAST were not checking for allocation site info. 
This creates a confusing result. It's better to let allocation sites
transition to their end state than artificially stop tracking at the
double/fast boundary.

BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/22868004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16820 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-19 09:48:50 +00:00
yangguo@chromium.org
cd41cb9b6d Turn on parallel recompilation for tests that assert optimization status. 
R=mvstanton@chromium.org
BUG=

Review URL: https://codereview.chromium.org/19807002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15793 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-22 09:16:33 +00:00
mvstanton@chromium.org
7f0f022792 Bugfix in hydrogen array literal code generation. 
If an array literal contains some non-constant elements, is of type SMI, and
then the boilerplate transitions to double or fast sometime after we've
crankshafted the code, then we could incorrectly store smis in double arrays.

BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/17334004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15207 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-19 13:48:50 +00:00