> -----Original Message----- > From: > avr-gcc-list-bounces+eweddington=cso.atmel....@nongnu.org > [mailto:avr-gcc-list-bounces+eweddington=cso.atmel....@nongnu. > org] On Behalf Of larry barello > Sent: Monday, February 16, 2009 10:37 AM > To: avr-gcc-list@nongnu.org > Subject: [avr-gcc-list] GCC code gen on xmega > > What follows is a pretty typical sequence for a vararg function on the > XMEGA. In particular, why does the code generator do the > funky double > "call" rather than just subtract the right number from the SP? I am > guessing this is a left-over code from the early XMEGA stack > handling. >
How many instructions does it take to subtract 4 bytes from the SP? _______________________________________________ AVR-GCC-list mailing list AVR-GCC-list@nongnu.org http://lists.nongnu.org/mailman/listinfo/avr-gcc-list
