[llvm-commits] [llvm] r93151 - in /llvm/trunk: lib/Target/X86/X86.td lib/Target/X86/X86InstrSSE.td lib/Target/X86/X86Subtarget.cpp lib/Target/X86/X86Subtarget.h test/CodeGen/X86/2010-01-07-UAMemFeature.ll

[David Greene]

On Monday 11 January 2010 12:19, Eli Friedman wrote:
> On Mon, Jan 11, 2010 at 8:29 AM, David Greene <greened at obbligato.org> wrote:
> > Author: greened
> > Date: Mon Jan 11 10:29:42 2010
> > New Revision: 93151
> >
> > URL: http://llvm.org/viewvc/llvm-project?rev=93151&view=rev
> > Log:
> >
> > Implement a feature (-vector-unaligned-mem) to allow targets to
> > ignore alignment requirements for SIMD memory operands.  This
> > is useful on architectures like the AMD 10h that do not trap on
> > unaligned references if a status bit is twiddled at startup time.
>
> The testcase for this feature is way too big; could you come up with
> something smaller?

I'll see what I can do.  I might be able to turn off selected code
restructuring passes in our vectorizer.

BTW, what's the definition of "way too big?"

                                   -Dave