This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [PATCH] Fix RTL DSE compile time hog (PR rtl-optimization/48141)
- From: Mike Stump <mikestump at comcast dot net>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: Kenneth Zadeck <zadeck at naturalbridge dot com>, Paolo Bonzini <bonzini at gnu dot org>, gcc-patches Patches <gcc-patches at gcc dot gnu dot org>
- Date: Tue, 15 Mar 2011 16:59:57 -0700
- Subject: Re: [PATCH] Fix RTL DSE compile time hog (PR rtl-optimization/48141)
- References: <20110315230526.GD30899@tyan-ft48-01.lab.bos.redhat.com>
On Mar 15, 2011, at 4:05 PM, Jakub Jelinek wrote:
> --- gcc/testsuite/gcc.dg/pr48141.c.jj 2011-03-15 21:48:46.000000000 +0100
> +++ gcc/testsuite/gcc.dg/pr48141.c 2011-03-15 21:48:27.000000000 +0100
> @@ -0,0 +1,17 @@
> +/* PR rtl-optimization/48141 */
> +/* { dg-do compile } */
> +/* { dg-options "-O" } */
> +
> +#define A i = 0;
> +#define B A A A A A A A A A A
> +#define C B B B B B B B B B B
> +#define D C C C C C C C C C C
> +#define E D D D D D D D D D D
Long term, I'd welcome a systematic way to test all things like this, but without the expense.