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From: Daniel Axtens <dja@axtens.net>
To: Segher Boessenkool <segher@kernel.crashing.org>
Subject: Re: [RFC PATCH 7/8] powerpc/purgatory: drop .machine specifier
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 <20210225031006.1204774-8-dja@axtens.net>
 <20210225155836.GG28121@gate.crashing.org>
Date: Fri, 26 Feb 2021 11:17:47 +1100
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Segher Boessenkool <segher@kernel.crashing.org> writes:

> On Thu, Feb 25, 2021 at 02:10:05PM +1100, Daniel Axtens wrote:
>> It's ignored by future versions of llvm's integrated assembler (by not -11).
>> I'm not sure what it does for us in gas.
>
> It enables all insns that exist on 620 (the first 64-bit PowerPC CPU).
>
>> --- a/arch/powerpc/purgatory/trampoline_64.S
>> +++ b/arch/powerpc/purgatory/trampoline_64.S
>> @@ -12,7 +12,7 @@
>>  #include <asm/asm-compat.h>
>>  #include <asm/crashdump-ppc64.h>
>>  
>> -	.machine ppc64
>> +//upgrade clang, gets ignored	.machine ppc64
>
> Why delete it if it is ignored?  Why add a cryptic comment?

Sorry, poor form on my part. I think I will give up on having llvm-11
work and target llvm HEAD, which means I can drop this.

>
>
> Segher