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Date: Thu, 8 Oct 2015 18:15:51 +0200
From: Aurelien Jarno <aurelien@aurel32.net>
Message-ID: <20151008161551.GA7306@aurel32.net>
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Subject: Re: [Qemu-devel] [PATCH v3 4/6] tcg/mips: Support r6 JR encoding
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To: James Hogan <james.hogan@imgtec.com>
Cc: Leon Alrae <leon.alrae@imgtec.com>, qemu-devel@nongnu.org, Richard Henderson <rth@twiddle.net>

On 2015-10-02 13:24, James Hogan wrote:
> MIPSr6 encodes JR as JALR with zero as the link register, and the pre-r6
> JR encoding is removed. Update TCG to use the new encoding when built
> for r6.
> 
> We still use the old encoding for pre-r6, so as not to confuse return
> prediction stack hardware which may detect only particular encodings of
> the return instruction.
> 
> Signed-off-by: James Hogan <james.hogan@imgtec.com>
> Reviewed-by: Richard Henderson <rth@twiddle.net>
> Cc: Aurelien Jarno <aurelien@aurel32.net>
> ---
> Changes in v2:
> - Turn #define into enum (Richard).
> ---
>  tcg/mips/tcg-target.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
aurelien@aurel32.net                 http://www.aurel32.net