Thanks everyone for the very interesting discussion, as always.
I will reform my ways and do something sensible like
void myFunction(void)
{
// non-atomic work here
{
UInt16 interruptState = startCriticalSection();
// critical/atomic statements here
endCriticalSection(interruptState);
}
}
I will also make use of intrinsics where I can and I will avoid using inline
assembly in the future.
Thanks for the thorough schooling ;)
- Wayne
-----Original Message-----
From: William "Chops" Westfield [mailto:[email protected]]
Sent: Wednesday, 18 April 2012 8:48 AM
To: GCC for MSP430 - http://mspgcc.sf.net
Subject: Re: [Mspgcc-users] Stack push inside inline assembly
On Apr 17, 2012, at 3:02 AM, David Brown wrote:
> You've just been lucky.
In particular, gcc is pretty aggressive about optimizing away stack frames when
it can (putting local variables in registers, rather than explicitly on the
stack.) (I *think* this is NOT target specific...)
BillW
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