[lkml]   [2012]   [Apr]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH 1/4] compiler.h: introduce unused_expression() macro
    On 04/25/2012 07:26 PM, Konstantin Khlebnikov wrote:
    > Sometimes we want to check some expressions correctness in compile-time without
    > generating extra code. "(void)(e)" does not work if expression has side-effects.
    > This patch introduces macro unused_expression() which helps in this situation.

    Interesting, I am wondering why gcc doesn't eliminate the code as we
    pass either -O2 or -Os to it.

     \ /
      Last update: 2012-04-25 13:55    [W:0.050 / U:16.552 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site