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    SubjectRe: [PATCH] crypto: add alignment handling to digest layer
    On Fri, 7 Apr 2006 09:24:54 +1000, Herbert Xu <> wrote:
    > Another thing, could you pleas change the stack allocation in final so
    > that it does it like cbc_process_decrypt? The reason is that gcc is too
    > stupid to not allocate that buffer unconditionally.

    I can do it, but it will add another overhead. (we must call
    crypto_tfm_alg_digestsize() unconditionally)

    It seems modern gcc (at least gcc 3.4 on i386 and mips) can allocate
    the buffer conditionally. It is better to optimize for newer gcc,
    isn't it?

    Atsushi Nemoto
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