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Re: gcc.dg/graphite/interchange-9.c and small memory target
- From: Sebastian Pop <sebpop at gmail dot com>
- To: Jie Zhang <jie at codesourcery dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Wed, 11 Aug 2010 10:47:00 -0500
- Subject: Re: gcc.dg/graphite/interchange-9.c and small memory target
- References: <4C62C1D2.email@example.com>
On Wed, Aug 11, 2010 at 10:29, Jie Zhang <firstname.lastname@example.org> wrote:
> Hi Sebastian,
> I currently encountered an issue when testing
> gcc.dg/graphite/interchange-9.c on a ARM bare-metal board which has only 4MB
> Apparently, with
> #define N 1111
> #define M 1111
> "int A[N*M]" in main is too large to fit in stack.
> There are several ways to solve this issue:
> 1. Make this test a compile test instead of a run test.
> 2. Define both M and N to 111. I checked and the test is still valid, ie it
> still tests what is intended.
> 3. Use STACK_SIZE macro to calculate M and N. But I don't know how to do
> that. And I'm not sure if we got a very small M and N, the test will be
> still valid.
> Which way do you like most?
I would say, let's go for solution 2.
I don't like the first solution as you want to also validate
that the transform is correct. As for solution 3, I do not know
either how to do that.
I will keep in mind these limitations for the future testcases.