Update of bug #31768 (project avr-libc):
Status: None => Works For Me
Assigned to: None => aboyapati
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Follow-up Comment #1:
To me, it seems this has been fixed in recent versions of
the library. If I compile the following C code:
#include <avr/io.h>
void foo(void)
{
ADCA.CH0.MUXCTRL = ADC_CH_MUXPOS_PIN0_gc;
ADCA_CH0_MUXCTRL = ADC_CH_MUXPOS_PIN0_gc;
}
into assembly for an ATxmega64D3, I get the following
assembler code:
foo:
/* prologue: function */
/* frame size = 0 */
ldi r30,lo8(512)
ldi r31,hi8(512)
std Z+33,__zero_reg__
sts 545,__zero_reg__
/* epilogue start */
ret
As 512+33 = 545, both operations perform the same thing.
The difference in your posting is 6 bytes, which could
perhaps be accounted to a malfunctioning implementation
of the macro _WORDREGISTER in your library version.
Perhaps you could just try it with a current header file?
I pass it on to Anitha for a final (and independent from my
opinion) decision.
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