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Re: [PATCH] Fix combiner from accessing or writing out of bounds SET_N_REGS (PR other/63504)
- From: Jakub Jelinek <jakub at redhat dot com>
- To: Jeff Law <law at redhat dot com>, Segher Boessenkool <segher at kernel dot crashing dot org>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 3 Feb 2015 08:20:29 +0100
- Subject: Re: [PATCH] Fix combiner from accessing or writing out of bounds SET_N_REGS (PR other/63504)
- Authentication-results: sourceware.org; auth=none
- References: <20150202185446 dot GR1746 at tucnak dot redhat dot com> <20150202232623 dot GK28561 at gate dot crashing dot org>
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
On Mon, Feb 02, 2015 at 05:26:23PM -0600, Segher Boessenkool wrote:
> On Mon, Feb 02, 2015 at 07:54:46PM +0100, Jakub Jelinek wrote:
> > +/* Highest pseudo for which we track REG_N_SETS. */
> > +static unsigned int reg_n_sets_max;
>
> One more than the highest reg num, actually.
Changed in my copy to
/* One plus the highest pseudo for which we track REG_N_SETS. */
Ok with that change?
Jakub