avr.opt revision 1.1
1; Options for the ATMEL AVR port of the compiler. 2 3; Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc. 4; 5; This file is part of GCC. 6; 7; GCC is free software; you can redistribute it and/or modify it under 8; the terms of the GNU General Public License as published by the Free 9; Software Foundation; either version 3, or (at your option) any later 10; version. 11; 12; GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13; WARRANTY; without even the implied warranty of MERCHANTABILITY or 14; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15; for more details. 16; 17; You should have received a copy of the GNU General Public License 18; along with GCC; see the file COPYING3. If not see 19; <http://www.gnu.org/licenses/>. 20 21mcall-prologues 22Target Report Mask(CALL_PROLOGUES) 23Use subroutines for function prologues and epilogues 24 25mmcu= 26Target RejectNegative Joined Var(avr_mcu_name) Init("avr2") 27-mmcu=MCU Select the target MCU 28 29mdeb 30Target Report Undocumented Mask(ALL_DEBUG) 31 32mint8 33Target Report Mask(INT8) 34Use an 8-bit 'int' type 35 36mno-interrupts 37Target Report RejectNegative Mask(NO_INTERRUPTS) 38Change the stack pointer without disabling interrupts 39 40morder1 41Target Report Undocumented Mask(ORDER_1) 42 43morder2 44Target Report Undocumented Mask(ORDER_2) 45 46mshort-calls 47Target Report Mask(SHORT_CALLS) 48Use rjmp/rcall (limited range) on >8K devices 49 50mtiny-stack 51Target Report Mask(TINY_STACK) 52Change only the low 8 bits of the stack pointer 53 54mrelax 55Target Report 56Relax branches 57 58mpmem-wrap-around 59Target Report 60Make the linker relaxation machine assume that a program counter wrap-around occures. 61