On Aug 28, 2013, at 3:02 PM, Wei Li <lim...@gmail.com> wrote: > It's a static function. 32bit x86. I tried both gcc4.5.2 and gcc4.7.2, > the behavior is same.
Then this is not a bug. Why would you care about the abi? Are you using some inline asm also? Andrew > > On Wed, Aug 28, 2013 at 3:00 PM, <pins...@gmail.com> wrote: >> >> >> Sent from my iPad >> >> On Aug 28, 2013, at 2:57 PM, Wei Li <lim...@gmail.com> wrote: >> >>> Hi, >>> >>> I am trying to disable pass arguments by register in my project. I >>> suppose -mregparm=0 can do this but unfortunately it doesn't work with >>> -O3. The arguments are still through registers even I specified >>> -mregparm=0. >>> >>> I am not sure if this intentional or a bug? -mregparm is a specific >>> option. In general the priority should be higher than -O3 which is a >>> group option, right? >> >> Is this a static local only function? >> If so then there Is code which changes the abi to use the registers. Also is >> this 32 or 64 bit x86? >> >> Thanks, >> Andrew Pinski >> >>> >>> Thanks, >>> Wei
