Displaying 2 results from an estimated 2 matches for "num_of_vec4".
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2019 Sep 30
3
Adding support for vscale
On Tuesday, October 1, 2019, Jacob Lifshay <programmerjake at gmail.com> wrote:
> On Mon, Sep 30, 2019 at 2:30 AM Sander De Smalen via llvm-dev
> <llvm-dev at lists.llvm.org> wrote:
> >
> > I've posted two patches on Phabricator to add support for VScale in LLVM.
Excellent!
> >
> > A brief recap on `vscale`:
> > The scalable vector type in
2019 Oct 01
3
Adding support for vscale
...[4]; // SEW=32,LMUL=4 probably
static vec4 globalvec[1024]; // vscale == 1024 here
or, would it be intended for use inside functions - again statically-allocated?
int somefn(void) {
static vec4 localvec[1024]; // vscale == 1024 here
}
*or*, would it be intended to be used like this?
int somefn(num_of_vec4s) {
static vec4 localvec[num_of_vec4s]; // vscale == dynamic, here
}
clarifying this in the documentation strings on vscale, perhaps even
providing c-style examples, would be extremely useful, and avoid
misunderstandings.
>... (runtime-variable type
> sizes create many more headaches whic...