And what version are we talking about here? > -----Original Message----- > From: > avr-gcc-list-bounces+eric.weddington=atmel....@nongnu.org > [mailto:avr-gcc-list-bounces+eric.weddington=atmel....@nongnu. > org] On Behalf Of Cory Cross > Sent: Monday, September 06, 2010 4:47 PM > To: avr-gcc-list@nongnu.org > Subject: [avr-gcc-list] Problem with array on the stack > > Hi all, > > I had an array on the stack clobber a global array like so: > > uint16_t clobberee[3] = {0xFFFF,0xFFFF,0xFFFF}; > > volatile uint8_t stuff[9][7]; > > void process(uint8_t num) { > uint8_t i,j; > for(i=0;i<num;++i){ > uint8_t clobberer[7]; > for(j=0;j<7;++j) > clobberer[j] = stuff[0][j]; > } > } > > When I made "clobberer" a global, everything worked fine. But > with it on > the stack there, the assembly loaded "0x0100" as the base > address. When > made a global, it used the global address and everything worked fine. > > I'm using the flags -mmcu=atmega168 -I. -gstabs -Os -Wall > -Wstrict-prototypes -fpack-struct -fshort-enums -std=gnu99 > -save-temps > -ffunction-sections -ffreestanding > > If this is not my fault, I will try and come up with the simplist > program demonstrating the problem. > > Thanks, > Cory > > _______________________________________________ > AVR-GCC-list mailing list > AVR-GCC-list@nongnu.org > http://lists.nongnu.org/mailman/listinfo/avr-gcc-list >
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