aykevl added a comment.
avr-gcc checks whether the device supports the flash bank used. For example:
$ cat test.c
int d = 5;
const int ro = 5;
__flash const int f = 5;
__flash1 const int f1 = 5;
__flash2 const int f2 = 5;
$ avr-gcc -mmcu=attiny84 -Os -c -o test.o test.c
test.c:4:20: error: variable ‘f1’ located in address space ‘__flash1’ beyond
flash of 64 KiB
__flash1 const int f1 = 5;
^
test.c:5:20: error: variable ‘f2’ located in address space ‘__flash2’ beyond
flash of 64 KiB
__flash2 const int f2 = 5;
^
It does not appear that this patch has a similar check, while I think that
would be useful. Or did you leave it out intentionally?
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https://reviews.llvm.org/D115982/new/
https://reviews.llvm.org/D115982
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