avr.opt revision 1.1.1.1.4.2 
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