On 12/22/2010 06:54 AM, Paolo Bonzini wrote: > On 12/22/2010 03:43 PM, Bingfeng Mei wrote: >> Thanks for letting me know this. Since only our target experiences such >> issue, I guess no other processors have such requirements of manipulating >> BImode. I can live with the workaround now. > > Perhaps Blackfin, but it has a BI->SI extension instruction so it doesn't see > this bug.
I've always thought that ia64 would benefit from representing _Bool variables as BImode "in registers". At which point they could be stored in predicate registers and trivially used for conditionals. That said, it does have a special BI->SI extensions pattern. r~
