On Sat, Sep 27, 2014 at 3:54 PM, Andi Kleen <a...@firstfloor.org> wrote:
> From: Andi Kleen <a...@linux.intel.com>
>
> Make -Q --help print the --param default, min, max values, similar
> to how it does print the defaults for other flags. This is useful
> to let a option auto tuner automatically query all needed information
> abourt gcc params (previously it needed to access the .def file in
> the source)
Ok.
Thanks,
Richard.
> gcc/:
>
> 2014-09-26 Andi Kleen <a...@linux.intel.com>
>
> * opts.c (print_filtered_help): Print --param min/max/default
> with -Q.
> ---
> gcc/opts.c | 11 ++++++++++-
> 1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/gcc/opts.c b/gcc/opts.c
> index 0a49bc0..5cb5a39 100644
> --- a/gcc/opts.c
> +++ b/gcc/opts.c
> @@ -953,6 +953,7 @@ print_filtered_help (unsigned int include_flags,
> const char *help;
> bool found = false;
> bool displayed = false;
> + char new_help[128];
>
> if (include_flags == CL_PARAMS)
> {
> @@ -971,6 +972,15 @@ print_filtered_help (unsigned int include_flags,
> /* Get the translation. */
> help = _(help);
>
> + if (!opts->x_quiet_flag)
> + {
> + snprintf (new_help, sizeof (new_help),
> + _("default %d minimum %d maximum %d"),
> + compiler_params[i].default_value,
> + compiler_params[i].min_value,
> + compiler_params[i].max_value);
> + help = new_help;
> + }
> wrap_help (help, param, strlen (param), columns);
> }
> putchar ('\n');
> @@ -985,7 +995,6 @@ print_filtered_help (unsigned int include_flags,
>
> for (i = 0; i < cl_options_count; i++)
> {
> - char new_help[128];
> const struct cl_option *option = cl_options + i;
> unsigned int len;
> const char *opt;
> --
> 2.1.1
>
