[WinAVR-users] [ winavr-Bugs-1873422 ] internal compiler error: Arithmetic exception

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Bugs item #1873422, was opened at 2008-01-16 21:18
Message generated for change (Comment added) made by arcanum
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: internal compiler error: Arithmetic exception

Initial Comment:
../scpi.c: In function 'scpi_get_command':
../scpi.c:140: internal compiler error: Arithmetic exception

version 4.13 sr1 build 557

struct SCPIcommand scpi_get_command(const prog_void * addr)

When addr is declared as PGM_VOID_P instead of PGM_P (const prog_char * addr)

In c source, line 140 is the closing bracket of the function.

avr-gcc.exe -I"C:\Code\testhead64\." -I"C:\code\mb" -I"C:\code\mb\uart\shared" -I"C:\code\mb\crc"  -mmcu=atmega64 -gdwarf-2 -fno-strict-aliasing -Wextra -Wshadow -Wunsafe-loop-optimizations     -Wc++-compat   -DF_CPU=4000000UL -Os -fsigned-char -save-temps   -MD -MP -MT scpi.o -MF dep/scpi.o.d  -c  ../scpi.c




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>Comment By: Eric Weddington (arcanum)
Date: 2008-02-12 17:15

Message:
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Originator: NO

In the original source (not preprocessed), did you use the
<avr/pgmspace.h> macros to read from flash? Could you provide the original
source as well?

Also, can you please try removing the -fno-strict-aliasing flag and see if
that helps?

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Comment By: Nobody/Anonymous (nobody)
Date: 2008-01-16 21:24

Message:
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gcc version 4.1.2 (WinAVR 20070525)


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Comment By: Eric Weddington (arcanum)
Date: 2008-01-16 21:23

Message:
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Originator: NO

Version 4.13 is the version of AVR Studio, not the compiler version. At
the command line, type "avr-gcc --version" and post the version of the
compiler.

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