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1answer
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Avr-gcc does not compile correctly without optimizations, but works (badly) with -Os

I am developing software for attiny88 with avr-gcc toolchain. This is a cheap microcontroller with 8kB program memory, 512B SRAM and 64B non-volatile EEPROM data memory. This is all sufficient for the ...
2
votes
4answers
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AVR GCC: How do I improve code optimization

I tried to compile the following C code: period = TCNT0L; period |= ((unsigned int)TCNT0H<<8); The assembler code I'm getting is the following: ...