[haiku-bugs] Re: [Haiku] #10272: Incorporation of GCC 4.8

  • From: "pulkomandy" <trac@xxxxxxxxxxxx>
  • Date: Thu, 06 Feb 2014 11:13:21 -0000

#10272: Incorporation of GCC 4.8
----------------------------+----------------------------
   Reporter:  korli         |      Owner:  nobody
       Type:  enhancement   |     Status:  assigned
   Priority:  normal        |  Milestone:  Unscheduled
  Component:  Build System  |    Version:  R1/Development
 Resolution:                |   Keywords:
 Blocked By:                |   Blocking:
Has a Patch:  1             |   Platform:  All
----------------------------+----------------------------

Comment (by pulkomandy):

 I have another problem in WebKit: gcc is now using instructions that
 expect 16-byte tack alignment such as MOVAPS (http://www.rz.uni-
 karlsruhe.de/rz/docs/VTune/reference/vc181.htm)

 Apparently, our stack isn't 16-byte aligned, and this makes this
 instruction crash. I'm going to work around this by compiling with
 -mstackrealign.

 Attaching the debug report for this crash. Am I right that thread_entry
 breaks the 16-byte alignment here?

--
Ticket URL: <https://dev.haiku-os.org/ticket/10272#comment:48>
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