RE: [PATCH v3 35/48] tcg/optimize: Split out fold_sub_to_neg

[Luis Fernando Fujita Pires]

From: Richard Henderson <richard.henderson@linaro.org>
> Even though there is only one user, place this more complex conversion into 
> its
> own helper.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  tcg/optimize.c | 84 ++++++++++++++++++++++++++++----------------------
>  1 file changed, 47 insertions(+), 37 deletions(-)

Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>

--
Luis Pires
Instituto de Pesquisas ELDORADO
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