This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: [tuples] fix and enable forward propagation

From: Aldy Hernandez <aldyh at redhat dot com>
To: Richard Guenther <richard dot guenther at gmail dot com>
Cc: dnovillo at google dot com, gcc-patches at gcc dot gnu dot org
Date: Wed, 2 Jul 2008 07:22:39 -0400
Subject: Re: [tuples] fix and enable forward propagation
References: <20080701230333.GA15283@redhat.com> <84fc9c000807020125p5bf86d3dsf7f5727ae9d53bb9@mail.gmail.com>

> Also it looks like
> 
>   /* Constants can be always propagated.  */
>   if (is_gimple_min_invariant
>       (rhs_to_tree (TREE_TYPE (gimple_assign_lhs (def_stmt)), def_stmt)))
>     return true;
> 
> asks for a gimple_assign_min_invariant_rhs_p () predicate like

Sorry, I inherited this code, and I obviously missed a few spots.

For the record, I think any use of rhs_to_tree is most likely a bug, or
at least a really inefficient way of doing things.

References:
- [tuples] fix and enable forward propagation
  - From: Aldy Hernandez
- Re: [tuples] fix and enable forward propagation
  - From: Richard Guenther

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]