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From: Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>
To: "Juraj Linkeš" <juraj.linkes@pantheon.tech>
Cc: Jerin Jacob <jerinj@marvell.com>, "nd@arm.com" <nd@arm.com>,
	"wathsala.vithanage@arm.com" <wathsala.vithanage@arm.com>,
	Ruifeng Wang <ruifeng.wang@arm.com>,
	Bruce Richardson <bruce.richardson@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Subject: RE: [EXT] Re: [PATCH v4 1/3] config/arm: avoid mcpu and march conflicts
Date: Thu, 22 Feb 2024 09:49:02 +0000	[thread overview]
Message-ID: <PH0PR18MB4086A83518FB7334F90A877CDE562@PH0PR18MB4086.namprd18.prod.outlook.com> (raw)
In-Reply-To: <CAOb5WZatn9CjNshUFkrxhjtWKJB+AofNRRYy9_T8y_xayP4PPw@mail.gmail.com>

> > diff --git a/config/arm/meson.build b/config/arm/meson.build
> > index 36f21d2259..e77b696d8e 100644
> > --- a/config/arm/meson.build
> > +++ b/config/arm/meson.build
> <snip>
> > @@ -695,13 +698,31 @@ if update_flags
> >
> >      machine_args = [] # Clear previous machine args
> >
> > +    candidate_mcpu = ''
> > +    if part_number_config.has_key('mcpu')
> > +        mcpu = part_number_config['mcpu']
> > +        if (cc.has_argument('-mcpu=' + mcpu))
> > +            candidate_mcpu = mcpu
> > +        endif
> > +    endif
> > +
> > +    march_features = []
> > +    if part_number_config.has_key('march_features')
> > +        march_features += part_number_config['march_features']
> > +    endif
> > +    if soc_config.has_key('extra_march_features')
> > +        march_features += soc_config['extra_march_features']
> > +    endif
> > +
> >      # probe supported archs and their features
> >      candidate_march = ''
> > -    if part_number_config.has_key('march')
> > +    if part_number_config.has_key('march') and candidate_mcpu == ''
> 
> If we reorganize the code a bit it would read better I think:
> if candidate_mcpu != ''
>     <mcpu code>
> elif part_number_config.has_key('march')
>     <march code>
> else
>     error(no mcpu and no march) # not sure whether this is needed or
> wanted though
> 
> This would also match the order before - first process mcpu, then
> march. Come to think of it, maybe we should put the march_features
> code before the candidate_mcpu code since that is common code and
> would thus also read a bit better (common, then mcpu, then march).

Ack, I will reorganize in v5.

Thanks,
Pavan. 

> 
> >          if part_number_config.get('force_march', false)
> > -            candidate_march = part_number_config['march']
> > +            if cc.has_argument('-march=' +  part_number_config['march'])
> > +                candidate_march = part_number_config['march']
> > +            endif
> >          else
> > -            supported_marchs = ['armv8.6-a', 'armv8.5-a', 'armv8.4-a', 'armv8.3-
> a',
> > +            supported_marchs = ['armv9-a', 'armv8.6-a', 'armv8.5-a', 'armv8.4-
> a', 'armv8.3-a',
> >                                  'armv8.2-a', 'armv8.1-a', 'armv8-a']
> >              check_compiler_support = false
> >              foreach supported_march: supported_marchs

  reply	other threads:[~2024-02-22  9:49 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-21  9:36 [PATCH 1/2] " pbhagavatula
2024-01-21  9:36 ` [PATCH 2/2] config/arm: add support for fallback march pbhagavatula
2024-01-22  6:30   ` Ruifeng Wang
2024-01-22 11:04   ` Juraj Linkeš
2024-01-22 12:16     ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-01-22 16:29       ` Juraj Linkeš
2024-01-24 15:25         ` Pavan Nikhilesh Bhagavatula
2024-01-22  6:29 ` [PATCH 1/2] config/arm: avoid mcpu and march conflicts Ruifeng Wang
2024-01-22 10:55 ` Juraj Linkeš
2024-01-22 11:54   ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-01-22 16:26     ` Juraj Linkeš
2024-01-24 15:21       ` Pavan Nikhilesh Bhagavatula
2024-01-29  8:44         ` Juraj Linkeš
2024-01-30 16:16           ` Pavan Nikhilesh Bhagavatula
2024-01-31  9:03             ` Juraj Linkeš
2024-02-01 21:57 ` [PATCH v2 1/3] " pbhagavatula
2024-02-01 21:57   ` [PATCH v2 2/3] config/arm: add support for fallback march pbhagavatula
2024-02-01 21:57   ` [PATCH v2 3/3] config/arm: allow WFE to be enabled config time pbhagavatula
2024-02-07  2:55     ` Honnappa Nagarahalli
2024-02-10  6:47       ` Pavan Nikhilesh Bhagavatula
2024-02-10 16:36         ` Honnappa Nagarahalli
2024-02-10 16:40           ` Pavan Nikhilesh Bhagavatula
2024-02-02  8:50   ` [PATCH v3 1/3] config/arm: avoid mcpu and march conflicts pbhagavatula
2024-02-02  8:50     ` [PATCH v3 2/3] config/arm: add support for fallback march pbhagavatula
2024-02-07 20:24       ` Wathsala Wathawana Vithanage
2024-02-02  8:50     ` [PATCH v3 3/3] config/arm: allow WFE to be enabled config time pbhagavatula
2024-02-10 16:56       ` Honnappa Nagarahalli
2024-02-12 19:21       ` Wathsala Wathawana Vithanage
2024-02-06  4:10     ` [PATCH v3 1/3] config/arm: avoid mcpu and march conflicts Wathsala Wathawana Vithanage
2024-02-06  4:44       ` Honnappa Nagarahalli
2024-02-06 10:21         ` Pavan Nikhilesh Bhagavatula
2024-02-07  0:01           ` Wathsala Wathawana Vithanage
2024-02-10  6:49             ` Pavan Nikhilesh Bhagavatula
2024-02-10 15:20               ` Honnappa Nagarahalli
2024-02-10 17:21                 ` Honnappa Nagarahalli
2024-02-21 20:20     ` [PATCH v4 " pbhagavatula
2024-02-21 20:20       ` [PATCH v4 2/3] config/arm: add support for fallback march pbhagavatula
2024-02-22 10:47         ` Juraj Linkeš
2024-02-22 12:32           ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-02-21 20:20       ` [PATCH v4 3/3] config/arm: allow WFE to be enabled config time pbhagavatula
2024-02-22  9:37       ` [PATCH v4 1/3] config/arm: avoid mcpu and march conflicts Juraj Linkeš
2024-02-22  9:49         ` Pavan Nikhilesh Bhagavatula [this message]
2024-02-22 12:45       ` [PATCH v5 " pbhagavatula
2024-02-22 12:45         ` [PATCH v5 2/3] config/arm: add support for fallback march pbhagavatula
2024-02-23 11:49           ` Juraj Linkeš
2024-02-26  7:11             ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-02-26  7:31               ` Juraj Linkeš
2024-02-26  7:34                 ` Juraj Linkeš
2024-02-22 12:45         ` [PATCH v5 3/3] config/arm: allow WFE to be enabled config time pbhagavatula
2024-02-23 11:19         ` [PATCH v5 1/3] config/arm: avoid mcpu and march conflicts Juraj Linkeš
2024-02-26  7:08           ` [EXT] " Pavan Nikhilesh Bhagavatula
2024-02-26  7:38         ` [PATCH v6 " pbhagavatula
2024-02-26  7:38           ` [PATCH v6 2/3] config/arm: add support for fallback march pbhagavatula
2024-02-26  7:38           ` [PATCH v6 3/3] config/arm: allow WFE to be enabled config time pbhagavatula
2024-03-06 15:49           ` [PATCH v7 1/3] config/arm: avoid mcpu and march conflicts pbhagavatula
2024-03-06 15:49             ` [PATCH v7 2/3] config/arm: add support for fallback march pbhagavatula
2024-03-06 15:49             ` [PATCH v7 3/3] config/arm: allow WFE to be enabled config time pbhagavatula
2024-03-07  3:57             ` [PATCH v7 1/3] config/arm: avoid mcpu and march conflicts Pavan Nikhilesh Bhagavatula
2024-03-14 11:38             ` [PATCH v8 1/5] " pbhagavatula
2024-03-14 11:38               ` [PATCH v8 2/5] config/arm: add armv9-a march support pbhagavatula
2024-03-14 11:38               ` [PATCH v8 3/5] config/arm: add crypto march feature to thunderxt83 pbhagavatula
2024-03-14 12:00                 ` Jerin Jacob
2024-03-14 11:38               ` [PATCH v8 4/5] config/arm: add support for fallback march pbhagavatula
2024-03-14 11:38               ` [PATCH v8 5/5] config/arm: allow WFE to be enabled config time pbhagavatula
2024-03-15 11:17               ` [PATCH v8 1/5] config/arm: avoid mcpu and march conflicts Thomas Monjalon

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