Bug 152708 - isUntypedSpeculationForArithmetic is wrong
Summary: isUntypedSpeculationForArithmetic is wrong
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: WebKit Nightly Build
Hardware: All All
: P2 Normal
Assignee: Mark Lam
URL:
Keywords:
Depends on:
Blocks: 152736
  Show dependency treegraph
 
Reported: 2016-01-04 12:26 PST by Filip Pizlo
Modified: 2016-01-05 10:32 PST (History)
5 users (show)

See Also:


Attachments
proposed patch. (1.74 KB, patch)
2016-01-04 14:46 PST, Mark Lam
fpizlo: review+
Details | Formatted Diff | Diff
x86_64 benchmark result. (66.40 KB, text/plain)
2016-01-04 14:49 PST, Mark Lam
no flags Details
x86 benchmark result. (65.98 KB, text/plain)
2016-01-04 14:49 PST, Mark Lam
no flags Details

Note You need to log in before you can comment on or make changes to this bug.
Description Filip Pizlo 2016-01-04 12:26:26 PST
It will currently return true anytime that the prediction set does not contain numeric types.  That's not correct.
Comment 1 Mark Lam 2016-01-04 14:46:59 PST
Created attachment 268235 [details]
proposed patch.
Comment 2 Mark Lam 2016-01-04 14:49:09 PST
Created attachment 268236 [details]
x86_64 benchmark result.
Comment 3 Mark Lam 2016-01-04 14:49:43 PST
Created attachment 268237 [details]
x86 benchmark result.
Comment 4 Mark Lam 2016-01-04 14:56:12 PST
Thanks for the review.  Landed in r194560: <http://trac.webkit.org/r194560>.