On 6 May 2016 at 16:09, Richard Biener <richard.guent...@gmail.com> wrote:
> On Wed, May 4, 2016 at 4:29 PM, Prasad Ghangal <prasad.ghan...@gmail.com>
> wrote:
>> On 4 May 2016 at 15:54, Richard Biener <richard.guent...@gmail.com> wrote:
>>> On Wed, May 4, 2016 at 11:46 AM, Prasad Ghangal
>>> <prasad.ghan...@gmail.com> wrote:
>>>> On 4 May 2016 at 13:02, Richard Biener <richard.guent...@gmail.com> wrote:
>>>>> On Wed, May 4, 2016 at 8:41 AM, Prasad Ghangal <prasad.ghan...@gmail.com>
>>>>> wrote:
>>>>>> Hi !
>>>>>> Currently I am trying to introduce new command line option -fgimple,
>>>>>> for that I am adding this to c.opt
>>>>>>
>>>>>> diff --git a/gcc/c-family/c.opt b/gcc/c-family/c.opt
>>>>>> index 4f86876..88e55c6 100644
>>>>>> --- a/gcc/c-family/c.opt
>>>>>> +++ b/gcc/c-family/c.opt
>>>>>> @@ -66,6 +66,10 @@ C ObjC C++ ObjC++ Separate Alias(d)
>>>>>> -dump=
>>>>>> C ObjC C++ ObjC++ Joined Alias(d)
>>>>>>
>>>>>> +fgimple
>>>>>> +C Var(flag_gimple) Init(0)
>>>>>> +Enable parsing GIMPLE
>>>>>> +
>>>>>> -imacros
>>>>>> C ObjC C++ ObjC++ Separate Alias(imacros) MissingArgError(missing
>>>>>> filename after %qs)
>>>>>>
>>>>>>
>>>>>> But I am getting error as - "gcc: error: unrecognized command line
>>>>>> option ‘-fgimple ’; did you mean ‘-fgimple ’?"
>>>>>>
>>>>>> I am unable to find where to handle it.
>>>>>
>>>>> Did you properly re-build gcc after that change? It should work just
>>>>> fine.
>>>>>
>>>>> Richard.
>>>>>
>>>>
>>>> Yes, I did stage 1 build on latest revision. Still it's giving this
>>>> strange error - "gcc: error: unrecognized command line option
>>>> ‘-fgimple’; did you mean ‘-fgimple’?"
>>>
>>> The error is indeed strage. W/o the patch I get
>>>
>>>> ./xgcc -B. -fgimple -S t.i
>>> xgcc: error: unrecognized command line option '-fgimple'; did you mean
>>> '--compile'?
>>>
>>> and with it (re-building cc1 and xgcc inside gcc/ of my dev-tree)
>>>
>>>> ./xgcc -B. -fgimple -S t.i
>>> (no error)
>>>
>>> so it works fine for me. Note that 'gcc' inside the build tree is called
>>> xgcc.
>>>
>>
>> Yes, it works for $build/gcc/cc1 but not for $prefix/bin/gcc i.e.
>> after installing
>
> Does it work for $build/gcc/xgcc?
>
No. It doesn't work for me. I even tried bootstrapped build-install,
still same issue.
> Richard.
>
>>> Richard.
>>>
>>>
>>>>
>>>>>>
>>>>>>
>>>>>> Till now I am able to JUST parse __GIMPLE keyword
>>>>>>
>>>>>> diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c
>>>>>> index cae2faf..1ccb4d6 100644
>>>>>> --- a/gcc/c-family/c-common.c
>>>>>> +++ b/gcc/c-family/c-common.c
>>>>>> @@ -468,6 +468,7 @@ const struct c_common_resword c_common_reswords[] =
>>>>>> { "__extension__", RID_EXTENSION, 0 },
>>>>>> { "__func__", RID_C99_FUNCTION_NAME, 0 },
>>>>>> { "__has_nothrow_assign", RID_HAS_NOTHROW_ASSIGN, D_CXXONLY },
>>>>>> + { "__GIMPLE", RID_GIMPLE, 0 },
>>>>>> { "__has_nothrow_constructor", RID_HAS_NOTHROW_CONSTRUCTOR, D_CXXONLY
>>>>>> },
>>>>>> { "__has_nothrow_copy", RID_HAS_NOTHROW_COPY, D_CXXONLY },
>>>>>> { "__has_trivial_assign", RID_HAS_TRIVIAL_ASSIGN, D_CXXONLY },
>>>>>> @@ -12393,6 +12394,7 @@ keyword_is_function_specifier (enum rid keyword)
>>>>>> case RID_NORETURN:
>>>>>> case RID_VIRTUAL:
>>>>>> case RID_EXPLICIT:
>>>>>> + case RID_GIMPLE:
>>>>>> return true;
>>>>>> default:
>>>>>> return false;
>>>>>> diff --git a/gcc/c-family/c-common.h b/gcc/c-family/c-common.h
>>>>>> index 663e457..a91665f 100644
>>>>>> --- a/gcc/c-family/c-common.h
>>>>>> +++ b/gcc/c-family/c-common.h
>>>>>> @@ -64,10 +64,10 @@ enum rid
>>>>>> /* Modifiers: */
>>>>>> /* C, in empirical order of frequency. */
>>>>>> RID_STATIC = 0,
>>>>>> - RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN,
>>>>>> - RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE,
>>>>>> - RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT,
>>>>>> - RID_NORETURN, RID_ATOMIC,
>>>>>> + RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN,
>>>>>> + RID_GIMPLE, RID_REGISTER, RID_TYPEDEF, RID_SHORT,
>>>>>> + RID_INLINE, RID_VOLATILE, RID_SIGNED, RID_AUTO,
>>>>>> + RID_RESTRICT, RID_NORETURN, RID_ATOMIC,
>>>>>>
>>>>>> /* C extensions */
>>>>>> RID_COMPLEX, RID_THREAD, RID_SAT,
>>>>>> diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c
>>>>>> index f0c677b..e690ca3 100644
>>>>>> --- a/gcc/c/c-decl.c
>>>>>> +++ b/gcc/c/c-decl.c
>>>>>> @@ -10401,6 +10401,8 @@ declspecs_add_scspec (source_location loc,
>>>>>> case RID_TYPEDEF:
>>>>>> n = csc_typedef;
>>>>>> break;
>>>>>> + case RID_GIMPLE:
>>>>>> + break;
>>>>>> default:
>>>>>> gcc_unreachable ();
>>>>>> }
>>>>>> diff --git a/gcc/c/c-parser.c b/gcc/c/c-parser.c
>>>>>> index bdd669d..266b672 100644
>>>>>> --- a/gcc/c/c-parser.c
>>>>>> +++ b/gcc/c/c-parser.c
>>>>>> @@ -732,6 +732,7 @@ c_token_starts_declspecs (c_token *token)
>>>>>> case RID_ALIGNAS:
>>>>>> case RID_ATOMIC:
>>>>>> case RID_AUTO_TYPE:
>>>>>> + case RID_GIMPLE:
>>>>>> return true;
>>>>>> default:
>>>>>> if (token->keyword >= RID_FIRST_INT_N
>>>>>> @@ -2461,6 +2462,7 @@ c_parser_declspecs (c_parser *parser, struct
>>>>>> c_declspecs *specs,
>>>>>> case RID_NORETURN:
>>>>>> case RID_AUTO:
>>>>>> case RID_THREAD:
>>>>>> + case RID_GIMPLE:
>>>>>> if (!scspec_ok)
>>>>>> goto out;
>>>>>> attrs_ok = true;
>>>>>> @@ -3960,6 +3962,7 @@ c_parser_attribute_any_word (c_parser *parser)
>>>>>> case RID_INT_N_1:
>>>>>> case RID_INT_N_2:
>>>>>> case RID_INT_N_3:
>>>>>> + case RID_GIMPLE:
>>>>>> ok = true;
>>>>>> break;
>>>>>> default:
>>>>>>
>>>>>>
>>>>>>
>>>>>> After recognizing __GIMPLE, I am planning to call gimple_fn_parser
>>>>>> function which will parse gimple body.
>>>>>> For pass manager, basic idea is to introduce new member to struct
>>>>>> function as pass_list and modify function execute_pass_list to run
>>>>>> only passes in pass list.
>>>>>>
>>>>>>
>>>>>>
>>>>>> Thanks,
>>>>>> Prasad Ghangal
