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AVR: Improve documentation for -mmcu=.

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	* doc/invoke.texi (AVR Options) <-mmcu>: Remove "Atmel".
	Note on complete device support.
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Georg-Johann Lay 2024-02-18 12:45:31 +01:00
parent 0b2284bb26
commit e63ae9085a
1 changed files with 14 additions and 4 deletions
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gcc/doc/invoke.texi
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@ -23732,12 +23732,22 @@ These options are defined for AVR implementations:
@table @gcctabopt
@opindex mmcu
@item -mmcu=@var{mcu}
Specify Atmel AVR instruction set architectures (ISA) or MCU type.
Specify the AVR instruction set architecture (ISA) or device type.
The default for this option is@tie{}@code{avr2}.
The default for this option is@tie{}@samp{avr2}.
GCC supports the following AVR devices and ISAs:
The following AVR devices and ISAs are supported.
@emph{Note:} A complete device support consists of
startup code @code{crt@var{mcu}.o}, a device header @code{avr/io*.h},
a device library @code{lib@var{mcu}.a} and a
@uref{https://gcc.gnu.org/wiki/avr-gcc#spec-files,device-specs} file
@code{specs-@var{mcu}}. Only the latter is provided by the compiler
according the supported @code{@var{mcu}}s below. The rest is supported
by @w{@uref{https://www.nongnu.org/avr-libc/,AVR-LibC}}, or by means of
@uref{https://gcc.gnu.org/wiki/avr-gcc#atpack,@code{atpack}} files
from the hardware manufacturer.
@c Auto-generated. Re-build when new devices are added to avr-mcus.def
@c by running "make avr-mcus" in $builddir/gcc.
@include avr-mmcu.texi
@opindex mabsdata