linux-kernel - Re: [PATCH] powerpc/kvm: fix build errors with older toolchains

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Message-ID: <4E429CAD.5050000@suse.de>
Date:	Wed, 10 Aug 2011 16:58:53 +0200
From:	Alexander Graf <agraf@...e.de>
To:	Nishanth Aravamudan <nacc@...ibm.com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Avi Kivity <avi@...hat.com>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	Paul Mackerras <paulus@...ba.org>, kvm@...r.kernel.org,
	kvm-ppc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/kvm: fix build errors with older toolchains

On 08/03/2011 08:55 PM, Nishanth Aravamudan wrote:
> On a box with gcc 4.3.2, I see errors like:
>
> arch/powerpc/kvm/book3s_hv_rmhandlers.S:1254: Error: Unrecognized opcode: stxvd2x
> arch/powerpc/kvm/book3s_hv_rmhandlers.S:1316: Error: Unrecognized opcode: lxvd2x

Paul, mind to ack?


Alex

> Signed-off-by: Nishanth Aravamudan<nacc@...ibm.com>
> ---
>   arch/powerpc/kvm/book3s_hv_rmhandlers.S |    4 ++--
>   1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
> index 6dd3358..de29501 100644
> --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
> +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
> @@ -1251,7 +1251,7 @@ BEGIN_FTR_SECTION
>   	reg = 0
>   	.rept	32
>   	li	r6,reg*16+VCPU_VSRS
> -	stxvd2x	reg,r6,r3
> +	STXVD2X(reg,r6,r3)
>   	reg = reg + 1
>   	.endr
>   FTR_SECTION_ELSE
> @@ -1313,7 +1313,7 @@ BEGIN_FTR_SECTION
>   	reg = 0
>   	.rept	32
>   	li	r7,reg*16+VCPU_VSRS
> -	lxvd2x	reg,r7,r4
> +	LXVD2X(reg,r7,r4)
>   	reg = reg + 1
>   	.endr
>   FTR_SECTION_ELSE

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