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Date: Tue, 10 May 2011 16:52:00 -0000
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Subject: Re: [PATCH] add bdver2 processor.
From: Quentin Neill <quentin.neill.gnu@gmail.com>
To: "H.J. Lu" <hjl.tools@gmail.com>, binutils@sourceware.org
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On Fri, May 6, 2011 at 7:40 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Thu, May 5, 2011 at 9:09 PM, Quentin Neill
> <quentin.neill.gnu@gmail.com> wrote:
>> On Wed, May 4, 2011 at 11:45 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
>>> On Wed, May 4, 2011 at 9:16 AM, Quentin Neill
>>> <quentin.neill.gnu@gmail.com> wrote:
>>>> This patch adds the bdver2 processor flag. =A0It passes make check on =
x86-64.
>>>>
>>>> Okay to commit?
>>>> --
>>>> Quentin
>>>>
>>>>
>>>> gas/
>>>> =A0 =A0 =A0 =A0* config/tc-i386.c (cpu_arch): Add bdver2.
>>>> =A0 =A0 =A0 =A0(i386_align_code): Add PROCESSOR_BDVER2 cases.
>>>> =A0 =A0 =A0 =A0* config/tc-i386.h (processor_type): Add PROCESSOR_BDVE=
R2.
>>>> =A0 =A0 =A0 =A0* doc/c-i386.texi: Add bdver2.
>>>>
>>>> opcodes/
>>>> =A0 =A0 =A0 =A0* i386-gen.c (cpu_flag_init): Add new CPU_BDVER2_FLAGS.
>>>> =A0 =A0 =A0 =A0* i386-init.h: Regenerated.
>>>>
>>>> gas/testsuite/
>>>> =A0 =A0 =A0 =A0* gas/i386/i386.exp: Add new bdver2 test cases.
>>>> =A0 =A0 =A0 =A0* gas/i386/nops-1-bdver2.d: New.
>>>> =A0 =A0 =A0 =A0* gas/i386/x86-64-nops-1-bdver2.d: New.
>>>>
>>>
>>> Do you nreally nned PROCESSOR_BDVER2? Can you use PROCESSOR_BDVER1? ins=
tead?
>>>
>>> --
>>> H.J.
>>>
>>
>> BDVER2 adds BMI and TBM.
>
> That is controlled by CPU_BDVER2_FLAGS.
>

[ Sorry for the delay,  I was out for a couple of days.  Re-adding
binutils@sourceware.org (I meant to copy on my 2nd reply). ]

So without PROCESSOR_BDVER2, that means no -march=3Dbdver2 flag support,
but what else?

What if -march/-mtune support is added to GCC for bdver2, how would it
convey -march=3Dbdver2 to the assembler?
--=20
Quentin