[avr-libc-dev] [bug #29280] Illegal opcode for at90usb162 if optimizations enabled

[Gabriel Csefalvay]

URL:
  <http://savannah.nongnu.org/bugs/?29280>

                 Summary: Illegal opcode for at90usb162 if optimizations
enabled
                 Project: AVR C Runtime Library
            Submitted by: havier
            Submitted on: Sun 21 Mar 2010 08:49:05 AM GMT
                Category: Build Infrastructure
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Build system
                  Status: None
        Percent Complete: 0%
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 1.4.7
           Fixed Release: None

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Details:


The compiler exits with the msg "Error: illegal opcode mul for mcu
at90usb162", when I run the following command:

$avr-gcc -mmcu=at90usb162 -Os -Wa,-adhlms=bugrprt.lst  bugrprt.c -o
bugrprt.o

The sample C code is attached. Using -O0 it compiles ok.


info:

version.h
#define __AVR_LIBC_VERSION__        10407UL

$avr-gcc -v
Using built-in specs.
Target: avr
Configured with: ../src/configure -v --enable-languages=c,c++ --prefix=/usr
--infodir=/usr/share/info --mandir=/usr/share/man --enable-shared
--with-system-zlib --enable-long-long --enable-nls --without-included-gettext
--disable-checking --disable-libssp --build=x86_64-linux-gnu
--host=x86_64-linux-gnu --target=avr
Thread model: single
gcc version 4.2.2




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File Attachments:


-------------------------------------------------------
Date: Sun 21 Mar 2010 08:49:05 AM GMT  Name: bugrprt.c  Size: 390B   By:
havier

<http://savannah.nongnu.org/bugs/download.php?file_id=19992>

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