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Re: [Qemu-devel] [PATCH v2 2/4] tcg/optimize: fix known-zero bits optimi
From: |
Richard Henderson |
Subject: |
Re: [Qemu-devel] [PATCH v2 2/4] tcg/optimize: fix known-zero bits optimization |
Date: |
Sat, 07 Dec 2013 06:54:17 +1300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 |
On 09/10/2013 05:27 AM, Aurelien Jarno wrote:
> Known-zero bits optimization is a great idea that helps to generate more
> optimized code. However the current implementation only works in very few
> cases as the computed mask is not saved.
>
> Fix this to make it really working.
>
> Cc: Richard Henderson <address@hidden>
> Cc: Paolo Bonzini <address@hidden>
> Signed-off-by: Aurelien Jarno <address@hidden>
> ---
> tcg/optimize.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
Reviewed-by: Richard Henderson <address@hidden>
r~
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