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2015 Nov 04
2
Vectorizing structure reads, writes, etc on X86-64 AVX
...hy at gmail.com> wrote:
> Thanks, Hal.
>
> That code is very readable. Basically, the following has to be true
> - not a memset or memzero [check]
> - no implicit floats [check]
> - size greater than 16 [check, it's 32]
> - ! isUnalignedMem16Slow [check?]
> - int256, fp256, or sse2, or sse1 is around [check]
>
> That last condition is:
> - src & dst alignment is 0 or greater than 16
>
> I think this is true, because I'm reading from a giant array of these
> things, so the memory should be aligned to the object size. Assuming
> that's...
2015 Nov 03
2
Vectorizing structure reads, writes, etc on X86-64 AVX
----- Original Message -----
> From: "Sanjay Patel via llvm-dev" <llvm-dev at lists.llvm.org>
> To: "Jay McCarthy" <jay.mccarthy at gmail.com>
> Cc: "llvm-dev" <llvm-dev at lists.llvm.org>
> Sent: Tuesday, November 3, 2015 12:30:51 PM
> Subject: Re: [llvm-dev] Vectorizing structure reads, writes, etc on X86-64 AVX
>
> If the