http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53065
Bug #: 53065
Summary: ICE replace_reg_with_saved_mem, at caller-save.c:1125
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: web...@webbot.org.uk
Created attachment 27213
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27213
Pre-processor output
Environment: Windows 7 (64 bit). Compiler source v4.7.0 compiled under CygWin
for "avr" target.
avr-g++ -v -save-temps -g -Wall -Wextra -DF_CPU=8000000 -mmcu=atmega328p
-gdwarf-2 -fpack-struct -fshort-enums -funsigned-char -funsigned-bitfields
-fno-threadsafe-statics -fno-strict-aliasing -fwrapv -I"../../.." -Os -c -o
AHRS.o AHRS.cpp
outputs
Using built-in specs.
COLLECT_GCC=avr-g++
Target: avr
Configured with: ../configure --target=avr --prefix=/cygdrive/c/avrgcc
--with-gm
p-lib=/usr/local/lib --with-mpfr-lib=/usr/local/lib
--with-mpc-lib=/usr/local/li
b --with-dwarf2 --enable-languages=c,c++ --disable-libssp --disable-nls
Thread model: single
gcc version 4.7.0 (GCC)
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-g' '-Wall' '-Wextra' '-D'
'F_CPU=800000
0' '-mmcu=atmega328p' '-gdwarf-2' '-fpack-struct' '-fshort-enums'
'-funsigned-ch
ar' '-funsigned-bitfields' '-fno-threadsafe-statics' '-fno-strict-aliasing'
'-fw
rapv' '-I' '../../..' '-Os' '-c' '-o' 'AHRS.o'
/cygdrive/c/avrgcc/libexec/gcc/avr/4.7.0/cc1plus.exe -E -quiet -v -I ../../..
-
imultilib avr5 -D F_CPU=8000000 AHRS.cpp -mmcu=atmega328p -Wall -Wextra
-fpack-s
truct -fshort-enums -funsigned-char -funsigned-bitfields
-fno-threadsafe-statics
-fno-strict-aliasing -fwrapv -g -gdwarf-2 -fworking-directory -Os
-fpch-preproc
ess -fno-rtti -fno-enforce-eh-specs -fno-exceptions -o AHRS.ii
ignoring nonexistent directory
"/cygdrive/c/avrgcc/lib/gcc/avr/4.7.0/../../../..
/avr/include/c++/4.7.0"
ignoring nonexistent directory
"/cygdrive/c/avrgcc/lib/gcc/avr/4.7.0/../../../..
/avr/include/c++/4.7.0/avr/avr5"
ignoring nonexistent directory
"/cygdrive/c/avrgcc/lib/gcc/avr/4.7.0/../../../..
/avr/include/c++/4.7.0/backward"
ignoring nonexistent directory
"/cygdrive/c/avrgcc/lib/gcc/avr/4.7.0/../../../..
/avr/sys-include"
#include "..." search starts here:
#include <...> search starts here:
../../..
/cygdrive/c/avrgcc/lib/gcc/avr/4.7.0/include
/cygdrive/c/avrgcc/lib/gcc/avr/4.7.0/include-fixed
/cygdrive/c/avrgcc/lib/gcc/avr/4.7.0/../../../../avr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-g' '-Wall' '-Wextra' '-D'
'F_CPU=800000
0' '-mmcu=atmega328p' '-gdwarf-2' '-fpack-struct' '-fshort-enums'
'-funsigned-ch
ar' '-funsigned-bitfields' '-fno-threadsafe-statics' '-fno-strict-aliasing'
'-fw
rapv' '-I' '../../..' '-Os' '-c' '-o' 'AHRS.o'
/cygdrive/c/avrgcc/libexec/gcc/avr/4.7.0/cc1plus.exe -fpreprocessed AHRS.ii
-qu
iet -dumpbase AHRS.cpp -mmcu=atmega328p -auxbase-strip AHRS.o -g -gdwarf-2 -Os
-
Wall -Wextra -version -fpack-struct -fshort-enums -funsigned-char
-funsigned-bit
fields -fno-threadsafe-statics -fno-strict-aliasing -fwrapv -fno-rtti
-fno-enfor
ce-eh-specs -fno-exceptions -o AHRS.s
GNU C++ (GCC) version 4.7.0 (avr)
compiled by GNU C version 4.5.3, GMP version 5.0.4, MPFR version 3.1.0,
MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU C++ (GCC) version 4.7.0 (avr)
compiled by GNU C version 4.5.3, GMP version 5.0.4, MPFR version 3.1.0,
MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 318bd707d55fc0ebdb58cccdc81ea14b
AHRS.cpp:75:12: warning: unused parameter 'loopStart' [-Wunused-parameter]
AHRS.cpp:95:12: warning: unused parameter 'loopCount' [-Wunused-parameter]
AHRS.cpp:95:12: warning: unused parameter 'loopStart' [-Wunused-parameter]
AHRS.cpp: In function 'void readSensors()':
AHRS.cpp:297:1: internal compiler error: in replace_reg_with_saved_mem, at
calle
r-save.c:1125
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
I have attached the pre-processor output file AHRS.ii
It will compile ok if the optimiser is set to -O0 or -O1 .
