(gcc.info) AVR Options

 
 3.17.3 AVR Options
 ------------------
 
 These options are defined for AVR implementations:
 
 `-mmcu=MCU'
      Specify ATMEL AVR instruction set or MCU type.
 
      Instruction set avr1 is for the minimal AVR core, not supported by
      the C compiler, only for assembler programs (MCU types: at90s1200,
      attiny10, attiny11, attiny12, attiny15, attiny28).
 
      Instruction set avr2 (default) is for the classic AVR core with up
      to 8K program memory space (MCU types: at90s2313, at90s2323,
      attiny22, at90s2333, at90s2343, at90s4414, at90s4433, at90s4434,
      at90s8515, at90c8534, at90s8535).
 
      Instruction set avr3 is for the classic AVR core with up to 128K
      program memory space (MCU types: atmega103, atmega603, at43usb320,
      at76c711).
 
      Instruction set avr4 is for the enhanced AVR core with up to 8K
      program memory space (MCU types: atmega8, atmega83, atmega85).
 
      Instruction set avr5 is for the enhanced AVR core with up to 128K
      program memory space (MCU types: atmega16, atmega161, atmega163,
      atmega32, atmega323, atmega64, atmega128, at43usb355, at94k).
 
 `-msize'
      Output instruction sizes to the asm file.
 
 `-mno-interrupts'
      Generated code is not compatible with hardware interrupts.  Code
      size will be smaller.
 
 `-mcall-prologues'
      Functions prologues/epilogues expanded as call to appropriate
      subroutines.  Code size will be smaller.
 
 `-mno-tablejump'
      Do not generate tablejump insns which sometimes increase code size.
      The option is now deprecated in favor of the equivalent
      `-fno-jump-tables'
 
 `-mtiny-stack'
      Change only the low 8 bits of the stack pointer.
 
 `-mint8'
      Assume int to be 8 bit integer.  This affects the sizes of all
      types: A char will be 1 byte, an int will be 1 byte, an long will
      be 2 bytes and long long will be 4 bytes.  Please note that this
      option does not comply to the C standards, but it will provide you
      with smaller code size.
Info Catalog
(gcc.info) ARM Options
(gcc.info) Submodel Options
(gcc.info) Blackfin Options
automatically generated by info2html