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: [dataflow]: patch committed to improve -O0 performance.


I'm wondering, many passes that use DF_LIVE could actually use
DF_LR.  If they sum up substantially, DF_UR/DF_LIVE could become
optional problems.

A nit:

> +/* Just run the sub passes which do all of the work.  */
> +static unsigned int
> +rest_of_handle_stack_regs (void)
> +{
> +  return 0;
> +}

Just put NULL in the tree_pass structure.

Paolo


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