Andrew,

I agree that we need to root cause and fix this code issue.

I also like idea of doing RELEASE/DEBUG/NOOPT builds to make sure code changes 
do not introduce build failures.

Mike

> -----Original Message-----
> From: af...@apple.com [mailto:af...@apple.com]
> Sent: Wednesday, June 29, 2016 11:31 AM
> To: Shi, Steven <steven....@intel.com>
> Cc: edk2-devel <edk2-devel@lists.01.org>; Gao, Liming <liming....@intel.com>; 
> Kinney,
> Michael D <michael.d.kin...@intel.com>; Zimmer, Vincent 
> <vincent.zim...@intel.com>;
> Doran, Mark <mark.do...@intel.com>; Mudusuru, Giri P 
> <giri.p.mudus...@intel.com>
> Subject: Re: [edk2] [PATCH 4/7] QuarkPlatformPkg-AcpiPlatform: Downgrade the
> optimization to O1
> 
> 
> > On Jun 28, 2016, at 8:18 AM, Shi, Steven <steven....@intel.com> wrote:
> >
> > Quark AcpiPlatform module cannot link successfully by CLANG38
> > with Oz optimization level. Add a work around to downgrade the
> > optimization to O1.
> >
> 
> We should fix the code too. These bugs are usually structure assignments in 
> the scope
> of a function that should be global, static, or done via CopyMem.
> 
> I really think they should get fixed as I see a lot of Si code that fails to 
> link when
> you compile with optimizations disabled, -O0, with Xcode clang as the 
> compiler falls
> back to memset/memcpy and we were just getting lucky the optimizer removed it.
> 
> Actually it would be nice if packages also got built NOOPT to help catch 
> these classes
> of errors.
> 
> Thanks,
> 
> Andrew Fish
> 
> > Contributed-under: TianoCore Contribution Agreement 1.0
> > Signed-off-by: Steven Shi <steven....@intel.com>
> > ---
> > QuarkPlatformPkg/Acpi/Dxe/AcpiPlatform/AcpiPlatform.inf | 4 ++++
> > 1 file changed, 4 insertions(+)
> > mode change 100644 => 100755 
> > QuarkPlatformPkg/Acpi/Dxe/AcpiPlatform/AcpiPlatform.inf
> >
> > diff --git a/QuarkPlatformPkg/Acpi/Dxe/AcpiPlatform/AcpiPlatform.inf
> b/QuarkPlatformPkg/Acpi/Dxe/AcpiPlatform/AcpiPlatform.inf
> > old mode 100644
> > new mode 100755
> > index dcf2b4a..f1bcfa1
> > --- a/QuarkPlatformPkg/Acpi/Dxe/AcpiPlatform/AcpiPlatform.inf
> > +++ b/QuarkPlatformPkg/Acpi/Dxe/AcpiPlatform/AcpiPlatform.inf
> > @@ -200,3 +200,7 @@
> >
> > [Depex]
> >   gEfiMpServiceProtocolGuid AND gEfiAcpiTableProtocolGuid
> > +
> > +[BuildOptions]
> > +  GCC:*_CLANG38_IA32_DLINK_FLAGS      = -O1
> > +  GCC:*_CLANGSCAN38_IA32_DLINK_FLAGS  = -O1
> > --
> > 2.7.4
> >
> > _______________________________________________
> > edk2-devel mailing list
> > edk2-devel@lists.01.org
> > https://lists.01.org/mailman/listinfo/edk2-devel

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