Sent from my iPad
On Aug 28, 2013, at 3:15 PM, Wei Li <lim...@gmail.com> wrote: > I am actually doing some instrumentation on the binary code generated > by gcc. I did it successfully for class methods and external functions > but failed on the static functions. Well that is not supported and is undefined. > > On Wed, Aug 28, 2013 at 3:12 PM, <pins...@gmail.com> wrote: >> >> 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
