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From: Richard Henderson <rth@twiddle.net>
Message-ID: <55A89E79.2080907@twiddle.net>
Date: Fri, 17 Jul 2015 07:19:37 +0100
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Subject: Re: [Qemu-devel] [PATCH RFC 3/9] tcg: implement real ext_i32_i64
 and extu_i32_i64 ops
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To: Aurelien Jarno <aurelien@aurel32.net>, qemu-devel@nongnu.org
Cc: Paolo Bonzini <pbonzini@redhat.com>

On 07/15/2015 12:03 PM, Aurelien Jarno wrote:
> Implement optional but real ext_i32_i64 and extu_i32_i64 ops. When
> implemented, these ensure that a 32-bit value is always converted to
> a 64-bit value and not propagated through the register allocator or
> the optimizer.
>
> Cc: Paolo Bonzini<pbonzini@redhat.com>
> Cc: Richard Henderson<rth@twiddle.net>
> Signed-off-by: Aurelien Jarno<aurelien@aurel32.net>
> ---
>   tcg/aarch64/tcg-target.h | 6 +++++-
>   tcg/i386/tcg-target.h    | 7 ++++++-
>   tcg/ia64/tcg-target.h    | 6 +++++-
>   tcg/ppc/tcg-target.h     | 7 ++++++-
>   tcg/s390/tcg-target.h    | 6 +++++-
>   tcg/sparc/tcg-target.h   | 6 +++++-
>   tcg/tcg-op.c             | 6 ++++++
>   tcg/tcg-opc.h            | 3 +++
>   tcg/tci/tcg-target.h     | 7 ++++++-
>   9 files changed, 47 insertions(+), 7 deletions(-)


Reviewed-by: Richard Henderson <rth@twiddle.net>


r~