> * [*] The openrisc, powerpc64 and x86-64 architectures define a "redzone" as a > * stack area beyond the stack pointer which can be used by the compiler > * to store local variables in leaf functions. I wonder if that is really worth the trouble it causes! By the time a function is spilling values to stack the cost of a %sp update is almost certainly noise. Someone clearly thought it was a 'good idea (tm)'. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)