From: Kyrill Tkachov <kyrylo.tkachov@foss.arm.com>
To: "Richard Earnshaw (lists)" <Richard.Earnshaw@arm.com>,
GCC Patches <gcc-patches@gcc.gnu.org>
Cc: Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>,
Nick Clifton <nickc@redhat.com>
Subject: Re: [PATCH][ARM] Add deprecation warning on pre-v4t architecture revisions
Date: Fri, 15 Apr 2016 13:39:00 -0000 [thread overview]
Message-ID: <5710EF13.4000605@foss.arm.com> (raw)
In-Reply-To: <570779C0.30408@arm.com>
On 08/04/16 10:28, Richard Earnshaw (lists) wrote:
> On 01/03/16 16:17, Kyrill Tkachov wrote:
>> Hi all,
>>
>> For GCC 6 we want to deprecate architecture revisions prior to ARMv4T.
>> This patch implements this by documenting the deprecation in invoke.texi
>> and adding
>> a warning whenever the user specifies an -march or -mcpu option that
>> selects such
>> an architecture revision.
>>
>> Bootstrapped and tested on arm.
>>
>> Ok for trunk?
>>
>> Thanks,
>> Kyrill
>>
>> P.S. I'll add a note to changes.html to that effect separately.
>>
>> 2016-03-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
>>
>> * config/arm/arm.c (arm_option_override): Warn on pre-ARMv4T
>> architecture revisions.
>> * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
>> architecture revisions.
>>
>> 2016-03-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
>>
>> * gcc.target/arm/ftest-armv4-arm.c: Add dg-warning for deprecation
>> warning.
>> * gcc.target/arm/pr62554.c: Likewise.
>> * gcc.target/arm/pr69610-1.c: Likewise.
>> * gcc.target/arm/pr69610-2.c: Likewise.
> OK
After some offline discussion we've decided to not add an unconditional warning every time someone
compiles for a deprecated architecture. This would irritate users.
As such, I'm just going to commit the invoke.texi hunk documenting the deprecation.
Thanks,
Kyrill
> R.
prev parent reply other threads:[~2016-04-15 13:39 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-01 16:17 Kyrill Tkachov
2016-03-07 15:40 ` Kyrill Tkachov
2016-03-23 10:24 ` Kyrill Tkachov
2016-03-31 13:12 ` Kyrill Tkachov
2016-04-07 13:48 ` Kyrill Tkachov
2016-04-08 9:28 ` Richard Earnshaw (lists)
2016-04-15 13:39 ` Kyrill Tkachov [this message]
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