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Re: [PATCH 06/12] Bump the size of scevs.
On Fri, Jul 16, 2010 at 9:03 AM, Sebastian Pop <sebpop@gmail.com> wrote:
> 2010-07-15 ?Sebastian Pop ?<sebastian.pop@amd.com>
>
> ? ? ? ?* params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
What's the effect on compile-time here?
Richard.
> ---
> ?gcc/ChangeLog.graphite | ? ?4 ++++
> ?gcc/params.def ? ? ? ? | ? ?2 +-
> ?2 files changed, 5 insertions(+), 1 deletions(-)
>
> diff --git a/gcc/ChangeLog.graphite b/gcc/ChangeLog.graphite
> index 8408cf2..d75912c 100644
> --- a/gcc/ChangeLog.graphite
> +++ b/gcc/ChangeLog.graphite
> @@ -1,5 +1,9 @@
> ?2010-07-15 ?Sebastian Pop ?<sebastian.pop@amd.com>
>
> + ? ? ? * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
> +
> +2010-07-15 ?Sebastian Pop ?<sebastian.pop@amd.com>
> +
> ? ? ? ?* cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
> ? ? ? ?* cfgloop.h (struct loop): Remove single_iv field.
> ? ? ? ?* graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
> diff --git a/gcc/params.def b/gcc/params.def
> index 35650ff..5a91e74 100644
> --- a/gcc/params.def
> +++ b/gcc/params.def
> @@ -438,7 +438,7 @@ DEFPARAM(PARAM_IV_ALWAYS_PRUNE_CAND_SET_BOUND,
> ?DEFPARAM(PARAM_SCEV_MAX_EXPR_SIZE,
> ? ? ? ? "scev-max-expr-size",
> ? ? ? ? "Bound on size of expressions used in the scalar evolutions analyzer",
> - ? ? ? ?20, 0, 0)
> + ? ? ? ?100, 0, 0)
>
> ?DEFPARAM(PARAM_OMEGA_MAX_VARS,
> ? ? ? ? "omega-max-vars",
> --
> 1.7.0.4
>
>