------- Comment #24 from hjl dot tools at gmail dot com 2009-10-12 13:59 ------- (In reply to comment #23) > > If you think adding -mstackrealign to your build is an acceptable solution, > > we can close this bug. Otherwise, please test my latest gcc 4.4 patch for > > PR 40838. Thanks. > > Your patch, by idea, more accurate - if now realign stack in ALL requred > places. But also it unmotivated realign with AMDs too. I alredy ask: "Why > -mstackrealign may be bad?". This is dark place. In manpage "-mstackrealign" > described against SSE aligning problem. This is like wellknown solution, but > unused wide. Why? What side-effects of "-mstackrealign"? Perfomance?
Please see PR 40838. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41156