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Date: Wed, 8 Feb 2012 10:54:21 +0400 (MSK)
From: malc <av1474@comtv.ru>
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Subject: Re: [Qemu-devel] [PATCH] PPC64: Add support for ldbrx and stdbrx
 instructions
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To: David Gibson <david@gibson.dropbear.id.au>
Cc: qemu-ppc@nongnu.org, agraf@suse.de, qemu-devel@nongnu.org

On Wed, 8 Feb 2012, David Gibson wrote:

> From: Thomas Huth <thuth@linux.vnet.ibm.com>
> 
> These instructions for loading and storing byte-swapped 64-bit values have
> been introduced in PowerISA 2.06.
> 
> Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
> ---
>  target-ppc/translate.c |   30 ++++++++++++++++++++++++++++++
>  1 files changed, 30 insertions(+), 0 deletions(-)

I seem to recall that POWER5 machine i had access to didn't have 
ld/stdbrx while CBE did have it (or was it the other way around?)
so question is - is PPC_64B sufficient?

[..snip..]

>  GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER)
>  GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER)
> @@ -8878,6 +8907,7 @@ GEN_STS(stw, st32, 0x04, PPC_INTEGER)
>  #if defined(TARGET_PPC64)
>  GEN_STUX(std, st64, 0x15, 0x05, PPC_64B)
>  GEN_STX(std, st64, 0x15, 0x04, PPC_64B)
> +GEN_STX(stdbr, st64r, 0x14, 0x14, PPC_64B)
>  #endif
>  GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER)
>  GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER)
> 

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