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Re: [PATCH] PowerPC: Add functions for shared resources hints

From: "Ryan S. Arnold" <ryan dot arnold at gmail dot com>
To: Roland McGrath <roland at hack dot frob dot com>
Cc: Edjunior Barbosa Machado <emachado at linux dot vnet dot ibm dot com>, libc-alpha <libc-alpha at sourceware dot org>, "Ryan S. Arnold" <rsa at us dot ibm dot com>
Date: Tue, 27 Nov 2012 11:55:30 -0600
Subject: Re: [PATCH] PowerPC: Add functions for shared resources hints
References: <1353993591-3730-1-git-send-email-emachado@linux.vnet.ibm.com><20121127173117.0693D2C0B2@topped-with-meat.com>

On Tue, Nov 27, 2012 at 11:31 AM, Roland McGrath <roland@hack.frob.com> wrote:
>> +static int
>> +do_test (void)
>> +{
>> +  __ppc_yield ();
>> +  __ppc_mdoio ();
>> +  __ppc_mdoom ();
>> +  return 0;
>> +}
>
> I don't understand the point of this test.
> It doesn't actually verify anything but that it compiles.

He actually used this test to verify that binutils was missing support
for the ISA 2.06 asm insns 'yield', 'mdoom', 'mdoio'.  Hence the
change to using the 'or' forms.  As it stands this test doesn't do
much now.

Ryan

Follow-Ups:
- Re: [PATCH] PowerPC: Add functions for shared resources hints
  - From: Edjunior Barbosa Machado

References:
- [PATCH] PowerPC: Add functions for shared resources hints
  - From: Edjunior Barbosa Machado
- Re: [PATCH] PowerPC: Add functions for shared resources hints
  - From: Roland McGrath

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