Bug 126652

Summary: Make it possible to disable the disabling of AVX
Product: WebKit Reporter: Filip Pizlo <fpizlo>
Component: JavaScriptCoreAssignee: Filip Pizlo <fpizlo>
Status: RESOLVED FIXED    
Severity: Normal CC: barraclough, ggaren, mark.lam, mhahnenberg, msaboff, oliver, sam
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Bug Depends on:    
Bug Blocks: 112840    
Attachments:
Description Flags
the patch ggaren: review+

Filip Pizlo
Reported 2014-01-08 11:56:11 PST
Yes, disable the disabling. Why? Because LLVM's default is to use AVX if it's available, and WebKit can merely just ask LLVM to always avoid AVX even if it's available. Hence WebKit can disable AVX, and we can disable the disabling of AVX to allow LLVM do just do its default.
Attachments
the patch (2.10 KB, patch)
2014-01-08 11:57 PST, Filip Pizlo 		ggaren: review+
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Filip Pizlo
Comment 1 2014-01-08 11:57:40 PST
Created attachment 220648 [details] the patch
Filip Pizlo
Comment 2 2014-01-08 11:59:02 PST
Landed on branch in http://trac.webkit.org/changeset/161515
Geoffrey Garen
Comment 3 2014-01-08 12:43:32 PST
Comment on attachment 220648 [details] the patch r=me
Note You need to log in before you can comment on or make changes to this bug.