[MIPS] Fix Many warnings in MIPS port (Was: [PATCH] [MIPS] microMIPS gcc support)

> -----Original Message-----
> From: David Daney [mailto:ddaney.cavm@gmail.com]
> Sent: Friday, April 12, 2013 7:29 PM
> To: Moore, Catherine
> Cc: Rozycki, Maciej; gcc-patches@gcc.gnu.org; Richard Sandiford
> Subject: Re: [Patch] [MIPS] Fix Many warnings in MIPS port (Was: [PATCH]
> [MIPS] microMIPS gcc support)
> 
> On 04/12/2013 03:07 PM, Moore, Catherine wrote:
> > Hi David,
> > Please try the attached patch.  Is this OK to checkin?
> 
> I don't think it is correct... 

And you would be right.  I attached the wrong patch.  Try this one instead:



Sorry for the confusion. 
Catherine

> >
> > 2013-04-12  Catherine Moore<clm@codesourcery.com>
> >
> >          * configure.ac (.micromips support): Add --fatal-warnings option.
> >          * configure: Regenerate.
> >
> >
> [...]
> >
> > Index: configure.ac
> >
> ==========================================================
> =========
> > --- configure.ac	(revision 197936)
> > +++ configure.ac	(working copy)
> > @@ -4051,6 +4051,12 @@ LCF0:
> >         [AC_DEFINE(HAVE_AS_NO_SHARED, 1,
> >   		 [Define if the assembler understands -mno-shared.])])
> >
> > +    gcc_GAS_CHECK_FEATURE([.micromips support],
> > +      gcc_cv_as_micromips_support,,[--fatal-warnings],
> > +      [.set micromips],,
> > +      [AC_DEFINE(HAVE_GAS_MICROMIPS, 1,
> > +          [Define if your assembler supports the .set micromips
> > + directive])])
> > +
> 
> There is already an existing check.  Just modify that one instead of adding a
> duplicate.  Something like the attached (untested)
> 
> >       gcc_GAS_CHECK_FEATURE([.gnu_attribute support],
> >         gcc_cv_as_mips_gnu_attribute, [2,18,0],,
> >         [.gnu_attribute 4,1],,
> 
> 
> I didn't have time to test this yet.  I may try Monday.
> 
> David Daney

On 04/14/2013 01:27 PM, Moore, Catherine wrote:
>
>
>> -----Original Message-----
>> From: David Daney [mailto:ddaney.cavm@gmail.com]
>> Sent: Friday, April 12, 2013 7:29 PM
>> To: Moore, Catherine
>> Cc: Rozycki, Maciej; gcc-patches@gcc.gnu.org; Richard Sandiford
>> Subject: Re: [Patch] [MIPS] Fix Many warnings in MIPS port (Was: [PATCH]
>> [MIPS] microMIPS gcc support)
>>
>> On 04/12/2013 03:07 PM, Moore, Catherine wrote:
>>> Hi David,
>>> Please try the attached patch.  Is this OK to checkin?
>>
>> I don't think it is correct...
>
> And you would be right.  I attached the wrong patch.  Try this one instead:
>
> Index: configure
> ===================================================================
> --- configure   (revision 197950)
> +++ configure   (working copy)
> @@ -17830,7 +17830,7 @@
>     lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
>     lt_status=$lt_dlunknown
>     cat > conftest.$ac_ext <<_LT_EOF
> -#line 17831 "configure"
> +#line 17833 "configure"
>   #include "confdefs.h"
>
>   #if HAVE_DLFCN_H
> @@ -17936,7 +17936,7 @@
>     lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
>     lt_status=$lt_dlunknown
>     cat > conftest.$ac_ext <<_LT_EOF
> -#line 17937 "configure"
> +#line 17939 "configure"
>   #include "confdefs.h"
>
>   #if HAVE_DLFCN_H
> @@ -25766,7 +25766,7 @@
>     gcc_cv_as_micromips_support=no
>     if test x$gcc_cv_as != x; then
>       $as_echo '.set micromips' > conftest.s
> -    if { ac_try='$gcc_cv_as $gcc_cv_as_flags  -o conftest.o conftest.s >&5'
> +    if { ac_try='$gcc_cv_as $gcc_cv_as_flags --fatal-warnings -o conftest.o conftest.s >&5'
>     { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
>     (eval $ac_try) 2>&5
>     ac_status=$?
> Index: configure.ac
> ===================================================================
> --- configure.ac        (revision 197950)
> +++ configure.ac        (working copy)
> @@ -4058,7 +4058,7 @@
>            [Define if your assembler supports .gnu_attribute.])])
>
>       gcc_GAS_CHECK_FEATURE([.micromips support],
> -      gcc_cv_as_micromips_support,,,
> +      gcc_cv_as_micromips_support,,[--fatal-warnings],
>         [.set micromips],,
>         [AC_DEFINE(HAVE_GAS_MICROMIPS, 1,
>             [Define if your assembler supports the .set micromips directive])])
>
>
> Sorry for the confusion.
> Catherine
>

Your e-mail client mangled it as Content-Transfer-Encoding: 
quoted-printable, so I had to manually apply it.  But after doing that, 
it does seem to have the desired effect.

So I would say:  Please apply it (After getting somebody to approve it).

Thanks,
David Daney

"Moore, Catherine" <Catherine_Moore@mentor.com> writes:
>> -----Original Message-----
>> From: David Daney [mailto:ddaney.cavm@gmail.com]
>> Sent: Friday, April 12, 2013 7:29 PM
>> To: Moore, Catherine
>> Cc: Rozycki, Maciej; gcc-patches@gcc.gnu.org; Richard Sandiford
>> Subject: Re: [Patch] [MIPS] Fix Many warnings in MIPS port (Was: [PATCH]
>> [MIPS] microMIPS gcc support)
>> 
>> On 04/12/2013 03:07 PM, Moore, Catherine wrote:
>> > Hi David,
>> > Please try the attached patch.  Is this OK to checkin?
>> 
>> I don't think it is correct... 
>
> And you would be right.  I attached the wrong patch.  Try this one instead:
>
> Index: configure
> ===================================================================
> --- configure   (revision 197950)
> +++ configure   (working copy)
> @@ -17830,7 +17830,7 @@
>    lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
>    lt_status=$lt_dlunknown
>    cat > conftest.$ac_ext <<_LT_EOF
> -#line 17831 "configure"
> +#line 17833 "configure"
>  #include "confdefs.h"
>
>  #if HAVE_DLFCN_H
> @@ -17936,7 +17936,7 @@
>    lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
>    lt_status=$lt_dlunknown
>    cat > conftest.$ac_ext <<_LT_EOF
> -#line 17937 "configure"
> +#line 17939 "configure"
>  #include "confdefs.h"
>
>  #if HAVE_DLFCN_H
> @@ -25766,7 +25766,7 @@
>    gcc_cv_as_micromips_support=no
>    if test x$gcc_cv_as != x; then
>      $as_echo '.set micromips' > conftest.s
> -    if { ac_try='$gcc_cv_as $gcc_cv_as_flags  -o conftest.o conftest.s >&5'
> +    if { ac_try='$gcc_cv_as $gcc_cv_as_flags --fatal-warnings -o conftest.o conftest.s >&5'
>    { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
>    (eval $ac_try) 2>&5
>    ac_status=$?
> Index: configure.ac
> ===================================================================
> --- configure.ac        (revision 197950)
> +++ configure.ac        (working copy)
> @@ -4058,7 +4058,7 @@
>           [Define if your assembler supports .gnu_attribute.])])
>
>      gcc_GAS_CHECK_FEATURE([.micromips support],
> -      gcc_cv_as_micromips_support,,,
> +      gcc_cv_as_micromips_support,,[--fatal-warnings],
>        [.set micromips],,
>        [AC_DEFINE(HAVE_GAS_MICROMIPS, 1,
>            [Define if your assembler supports the .set micromips directive])])

OK with a suitable changelog.  Please include David as an author, since
the two patches are identical bar the inclusion of the automatically-
generated bits.

Thanks,
Richard