Re: PING: [AVR] Fix unused argument warning

2021-10-05 Thread Jeff Law via Gcc-patches




On 10/5/2021 9:03 AM, Jan-Benedict Glaw wrote:

Hi Jeff,

On Tue, 2021-10-05 08:53:00 -0600, Jeff Law  wrote:

On 10/5/2021 8:46 AM, Jan-Benedict Glaw wrote:

On Thu, 2021-09-30 21:27:23 +0200, Jan-Benedict Glaw  wrote:

gcc/ChangeLog:

* common/config/avr/avr-common.c (avr_handle_option): Mark
argument as ATTRIBUTE_UNUSED.

diff --git a/gcc/common/config/avr/avr-common.c 
b/gcc/common/config/avr/avr-common.c
index 6486659d27c..a6939ad03d3 100644
--- a/gcc/common/config/avr/avr-common.c
+++ b/gcc/common/config/avr/avr-common.c
@@ -77,7 +77,8 @@ static const struct default_options 
avr_option_optimization_table[] =
   static bool
   avr_handle_option (struct gcc_options *opts, struct gcc_options*,
-   const struct cl_decoded_option *decoded, location_t loc)
+   const struct cl_decoded_option *decoded,
+   location_t loc ATTRIBUTE_UNUSED)
   {
 int value = decoded->value;


Ok for trunk?

Wanted to give this a ping.

I thought I sent a reply a few days ago.  Instead of using ATTRIBUTE_UNUSED,
just drop the parameter's name.  You should consider that pre-approved for
this and any other cases you run into.

Not quite I think. The `loc`ation parameter is used under some
circumstances, though it's dependant on some #ifdefs:
Sigh.  We rooted out most of those kinds of conditional compilation from 
the core compiler years ago for precisely these kinds of reasons.  Go 
ahead with the ATTRIBUTE_UNUSED in this case.  But generally dropping 
the argument's name is better.  Extra points if you killed the 
conditional compilation in the avr backend, but I don't think that 
should be a requirement to move forward.


Jeff


Re: PING: [AVR] Fix unused argument warning

2021-10-05 Thread Jan-Benedict Glaw
Hi Jeff,

On Tue, 2021-10-05 08:53:00 -0600, Jeff Law  wrote:
> On 10/5/2021 8:46 AM, Jan-Benedict Glaw wrote:
> > On Thu, 2021-09-30 21:27:23 +0200, Jan-Benedict Glaw  
> > wrote:
> > > gcc/ChangeLog:
> > > 
> > >   * common/config/avr/avr-common.c (avr_handle_option): Mark
> > >   argument as ATTRIBUTE_UNUSED.
> > > 
> > > diff --git a/gcc/common/config/avr/avr-common.c 
> > > b/gcc/common/config/avr/avr-common.c
> > > index 6486659d27c..a6939ad03d3 100644
> > > --- a/gcc/common/config/avr/avr-common.c
> > > +++ b/gcc/common/config/avr/avr-common.c
> > > @@ -77,7 +77,8 @@ static const struct default_options 
> > > avr_option_optimization_table[] =
> > >   static bool
> > >   avr_handle_option (struct gcc_options *opts, struct gcc_options*,
> > > -   const struct cl_decoded_option *decoded, location_t 
> > > loc)
> > > +   const struct cl_decoded_option *decoded,
> > > +   location_t loc ATTRIBUTE_UNUSED)
> > >   {
> > > int value = decoded->value;
> > > 
> > > 
> > >Ok for trunk?
> > Wanted to give this a ping.
> I thought I sent a reply a few days ago.  Instead of using ATTRIBUTE_UNUSED,
> just drop the parameter's name.  You should consider that pre-approved for
> this and any other cases you run into.

Not quite I think. The `loc`ation parameter is used under some
circumstances, though it's dependant on some #ifdefs:

 78 static bool
 79 avr_handle_option (struct gcc_options *opts, struct gcc_options*,
 80const struct cl_decoded_option *decoded,
 81location_t loc ATTRIBUTE_UNUSED)
 82 {
 83   int value = decoded->value;
 84 
 85   switch (decoded->opt_index)
 86 {
 87 case OPT_mdouble_:
 88   if (value == 64)
 89 {
 90 #if !defined (HAVE_DOUBLE64)
 91   error_at (loc, "option %<-mdouble=64%> is only available if "
 92 "configured %<--with-double={64|64,32|32,64}%>");
 93 #endif
 94   opts->x_avr_long_double = 64;
 95 }
 96   else if (value == 32)
 97 {
 98 #if !defined (HAVE_DOUBLE32)
 99   error_at (loc, "option %<-mdouble=32%> is only available if "
100 "configured %<--with-double={32|32,64|64,32}%>");
101 #endif
102 }

Also, this implements the TARGET_HANDLE_OPTION function, so changing
the arguments wouldn't really work and as the `loc` argument is used
under certain circumstances, I kept it as is and marked it unused.
(Adding an #ifdef in front doesn't make the code any more readable.)

Thanks,
  Jan-Benedict

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Re: PING: [AVR] Fix unused argument warning

2021-10-05 Thread Jeff Law via Gcc-patches




On 10/5/2021 8:46 AM, Jan-Benedict Glaw wrote:

Hi,

On Thu, 2021-09-30 21:27:23 +0200, Jan-Benedict Glaw  wrote:

gcc/ChangeLog:

* common/config/avr/avr-common.c (avr_handle_option): Mark
argument as ATTRIBUTE_UNUSED.

diff --git a/gcc/common/config/avr/avr-common.c 
b/gcc/common/config/avr/avr-common.c
index 6486659d27c..a6939ad03d3 100644
--- a/gcc/common/config/avr/avr-common.c
+++ b/gcc/common/config/avr/avr-common.c
@@ -77,7 +77,8 @@ static const struct default_options 
avr_option_optimization_table[] =
  
  static bool

  avr_handle_option (struct gcc_options *opts, struct gcc_options*,
-   const struct cl_decoded_option *decoded, location_t loc)
+   const struct cl_decoded_option *decoded,
+   location_t loc ATTRIBUTE_UNUSED)
  {
int value = decoded->value;
  



   Ok for trunk?

Wanted to give this a ping.
I thought I sent a reply a few days ago.  Instead of using 
ATTRIBUTE_UNUSED, just drop the parameter's name.  You should consider 
that pre-approved for this and any other cases you run into.


jeff



PING: [AVR] Fix unused argument warning

2021-10-05 Thread Jan-Benedict Glaw
Hi,

On Thu, 2021-09-30 21:27:23 +0200, Jan-Benedict Glaw  wrote:
> gcc/ChangeLog:
> 
>   * common/config/avr/avr-common.c (avr_handle_option): Mark
>   argument as ATTRIBUTE_UNUSED.
> 
> diff --git a/gcc/common/config/avr/avr-common.c 
> b/gcc/common/config/avr/avr-common.c
> index 6486659d27c..a6939ad03d3 100644
> --- a/gcc/common/config/avr/avr-common.c
> +++ b/gcc/common/config/avr/avr-common.c
> @@ -77,7 +77,8 @@ static const struct default_options 
> avr_option_optimization_table[] =
>  
>  static bool
>  avr_handle_option (struct gcc_options *opts, struct gcc_options*,
> -   const struct cl_decoded_option *decoded, location_t loc)
> +   const struct cl_decoded_option *decoded,
> +   location_t loc ATTRIBUTE_UNUSED)
>  {
>int value = decoded->value;
>  
> 
> 
>   Ok for trunk?

Wanted to give this a ping.

Thanks,
  Jan-Benedict

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