http://d.puremagic.com/issues/show_bug.cgi?id=7954
Summary: x86_64 Windows fibers do not save nonvolatile XMM
registers
Product: D
Version: D2
Platform: x86_64
OS/Version: Windows
Status: NEW
Severity: normal
Priority: P2
Component: druntime
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from Jameson Ernst <[email protected]> 2012-04-20
16:38:15 PDT ---
According to MSDN (http://msdn.microsoft.com/en-us/library/9z1stfyw.aspx), the
XMM6-XMM15 registers are nonvolatile on x64 Windows. The current implementation
of core.thread.Fiber for this platform does not preserve them.
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