Mercurial > hg > CbC > CbC_gcc
annotate 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 |
rev | line source |
---|---|
0 | 1 ; Options for the ATMEL AVR port of the compiler. |
2 | |
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
3 ; Copyright (C) 2005, 2007, 2008, 2010 Free Software Foundation, Inc. |
0 | 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 | |
21 mcall-prologues | |
22 Target Report Mask(CALL_PROLOGUES) | |
23 Use subroutines for function prologues and epilogues | |
24 | |
25 mmcu= | |
26 Target RejectNegative Joined Var(avr_mcu_name) Init("avr2") | |
27 -mmcu=MCU Select the target MCU | |
28 | |
29 mdeb | |
30 Target Report Undocumented Mask(ALL_DEBUG) | |
31 | |
32 mint8 | |
33 Target Report Mask(INT8) | |
34 Use an 8-bit 'int' type | |
35 | |
36 mno-interrupts | |
37 Target Report RejectNegative Mask(NO_INTERRUPTS) | |
38 Change the stack pointer without disabling interrupts | |
39 | |
40 morder1 | |
41 Target Report Undocumented Mask(ORDER_1) | |
42 | |
43 morder2 | |
44 Target Report Undocumented Mask(ORDER_2) | |
45 | |
46 mshort-calls | |
47 Target Report Mask(SHORT_CALLS) | |
48 Use rjmp/rcall (limited range) on >8K devices | |
49 | |
50 mtiny-stack | |
51 Target Report Mask(TINY_STACK) | |
52 Change only the low 8 bits of the stack pointer | |
53 | |
54 mrelax | |
55 Target Report | |
56 Relax branches | |
57 | |
58 mpmem-wrap-around | |
59 Target Report | |
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
60 Make the linker relaxation machine assume that a program counter wrap-around occurs. |