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: [PATCH 01/13] recog: Increased max number of alternatives.


On Mon, May 11, 2015 at 03:23:29PM +0200, Andreas Krebbel wrote:
> With the vector facility support z13 mov patterns have more than 30
> alternatives.

Wow, that is a lot!

> --- a/gcc/recog.h
> +++ b/gcc/recog.h
> @@ -23,7 +23,7 @@ along with GCC; see the file COPYING3.  If not see
>  /* Random number that should be large enough for all purposes.  Also define
>     a type that has at least MAX_RECOG_ALTERNATIVES + 1 bits, with the extra
>     bit giving an invalid value that can be used to mean "uninitialized".  */
> -#define MAX_RECOG_ALTERNATIVES 30
> +#define MAX_RECOG_ALTERNATIVES 35
>  typedef unsigned int alternative_mask;

"int" isn't at least 36 bits.


Segher


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