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1 ; Options for the ATMEL AVR port of the compiler.
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2
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3 ; Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc.
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4 ;
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5 ; This file is part of GCC.
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6 ;
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7 ; GCC is free software; you can redistribute it and/or modify it under
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8 ; the terms of the GNU General Public License as published by the Free
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9 ; Software Foundation; either version 3, or (at your option) any later
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10 ; version.
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11 ;
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12 ; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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13 ; WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 ; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 ; for more details.
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16 ;
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17 ; You should have received a copy of the GNU General Public License
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18 ; along with GCC; see the file COPYING3. If not see
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19 ; <http://www.gnu.org/licenses/>.
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20
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21 mcall-prologues
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22 Target Report Mask(CALL_PROLOGUES)
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23 Use subroutines for function prologues and epilogues
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24
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25 mmcu=
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26 Target RejectNegative Joined Var(avr_mcu_name) Init("avr2")
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27 -mmcu=MCU Select the target MCU
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28
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29 mdeb
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30 Target Report Undocumented Mask(ALL_DEBUG)
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31
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32 mint8
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33 Target Report Mask(INT8)
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34 Use an 8-bit 'int' type
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35
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36 mno-interrupts
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37 Target Report RejectNegative Mask(NO_INTERRUPTS)
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38 Change the stack pointer without disabling interrupts
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39
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40 mno-tablejump
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41 Target Report RejectNegative Mask(NO_TABLEJUMP)
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42 Do not generate tablejump insns
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43
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44 morder1
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45 Target Report Undocumented Mask(ORDER_1)
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46
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47 morder2
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48 Target Report Undocumented Mask(ORDER_2)
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49
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50 mshort-calls
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51 Target Report Mask(SHORT_CALLS)
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52 Use rjmp/rcall (limited range) on >8K devices
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53
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54 msize
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55 Target Report Mask(INSN_SIZE_DUMP)
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56 Output instruction sizes to the asm file
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57
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58 mtiny-stack
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59 Target Report Mask(TINY_STACK)
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60 Change only the low 8 bits of the stack pointer
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61
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62 mrelax
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63 Target Report
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64 Relax branches
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65
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66 mpmem-wrap-around
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67 Target Report
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68 Make the linker relaxation machine assume that a program counter wrap-around occures.
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