view gcc/config/avr/avr.opt @ 67:f6334be47118

update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Mar 2011 17:18:12 +0900
parents 77e2b8dfacca
children 04ced10e8804
line wrap: on
line source

; Options for the ATMEL AVR port of the compiler.

; Copyright (C) 2005, 2007, 2008, 2010 Free Software Foundation, Inc.
;
; This file is part of GCC.
;
; GCC is free software; you can redistribute it and/or modify it under
; the terms of the GNU General Public License as published by the Free
; Software Foundation; either version 3, or (at your option) any later
; version.
;
; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
; WARRANTY; without even the implied warranty of MERCHANTABILITY or
; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
; for more details.
;
; You should have received a copy of the GNU General Public License
; along with GCC; see the file COPYING3.  If not see
; <http://www.gnu.org/licenses/>.

mcall-prologues
Target Report Mask(CALL_PROLOGUES)
Use subroutines for function prologues and epilogues

mmcu=
Target RejectNegative Joined Var(avr_mcu_name) Init("avr2")
-mmcu=MCU	Select the target MCU

mdeb
Target Report Undocumented Mask(ALL_DEBUG)

mint8
Target Report Mask(INT8)
Use an 8-bit 'int' type

mno-interrupts
Target Report RejectNegative Mask(NO_INTERRUPTS)
Change the stack pointer without disabling interrupts

morder1
Target Report Undocumented Mask(ORDER_1)

morder2
Target Report Undocumented Mask(ORDER_2)

mshort-calls
Target Report Mask(SHORT_CALLS)
Use rjmp/rcall (limited range) on >8K devices

mtiny-stack
Target Report Mask(TINY_STACK)
Change only the low 8 bits of the stack pointer

mrelax
Target Report
Relax branches

mpmem-wrap-around
Target Report
Make the linker relaxation machine assume that a program counter wrap-around occurs.