[haskell-llvm] Aligned malloc for vector operations

Henning Thielemann lemming at henning-thielemann.de
Wed Jul 28 06:53:29 EDT 2010

On Tue, 27 Jul 2010, Bryan O'Sullivan wrote:

> On Tue, Jul 27, 2010 at 3:27 PM, Henning Thielemann <lemming at henning-thielemann.de>
> wrote:
>       For vector access to the memory it is important to have properly aligned
>       chunks of memory.
> malloc already guarantees safe alignment of memory, including for vector instructions.

When I used the 'malloc' intrinsic of LLVM I got crashes for certain 
datatype sizes due to misalignment. I thought LLVM's 'malloc' intrinsic is 
based on clib's malloc.

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