|Summary:||REGRESSION: Apparent hang of PCE.js Mac OS System 7.0.1 on ARM64 devices|
|Product:||WebKit||Reporter:||Michael Saboff <msaboff>|
|Version:||528+ (Nightly build)|
|Hardware:||iPhone / iPad|
Description Michael Saboff 2014-04-24 15:15:18 PDT
This is fundamentally an 68K instruction emulator. Tracked the issue to MacroAssemblerARM64.h where we inadvertently use the destination register for both the source and destination in two arg or64(), eor32( ) and eor64().
Comment 2 Mark Hahnenberg 2014-04-24 15:22:52 PDT
Comment on attachment 230111 [details] Patch r=me. Is it possible to write a test?
Comment 3 Michael Saboff 2014-04-24 15:42:51 PDT
(In reply to comment #2) > (From update of attachment 230111 [details]) > r=me. Is it possible to write a test? I think so. I'll spend some time to see if I can come up with one.
Comment 4 Michael Saboff 2014-04-24 16:56:44 PDT
Created attachment 230118 [details] Patch with test added
Comment 5 Mark Lam 2014-04-24 17:04:03 PDT
Comment on attachment 230118 [details] Patch with test added r=me