[Bug 490371] Re: Atomic operations not safe for ARMv7, Thumb-2 and multicore

Jammy Zhou 490371 at bugs.launchpad.net
Wed Dec 8 05:00:07 UTC 2010


Hi Thiago,

I tried to compile Qt4.8 on armv7 platform locally, but meet following
new error message, do you have any suggestions?

make[1]: Entering directory `/home/jammy/qt/src/corelib'
g++ -c -include .pch/release-shared/QtCore -pipe -pthread -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -O2 -fvisibility=hidden -fvisibility-inlines-hidden -Wall -W -D_REENTRANT -fPIC -DQT_SHARED -DQT_BUILD_CORE_LIB -DQT_NO_USING_NAMESPACE -DQT_NO_CAST_TO_ASCII -DQT_ASCII_CAST_WARNINGS -DQT3_SUPPORT -DQT_MOC_COMPAT -DQT_USE_FAST_OPERATOR_PLUS -DQT_USE_FAST_CONCATENATION -DELF_INTERPRETER=\"/lib/ld-linux.so.3\" -DQLIBRARYINFO_EPOCROOT -DHB_EXPORT=Q_CORE_EXPORT -DQT_NO_DEBUG -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -I../../mkspecs/linux-g++ -I. -I../../include -I../../include/QtCore -I.rcc/release-shared -Iglobal -I../../tools/shared -I../3rdparty/harfbuzz/src -I../3rdparty/md5 -I../3rdparty/md4 -I.moc/release-shared -o .obj/release-shared/qabstractanimation.o animation/qabstractanimation.cpp
animation/qabstractanimation.cpp:491:6: warning: unused parameter ?@~Xe?@~Y
{standard input}: Assembler messages:
{standard input}:527: Error: thumb conditional instruction should be in IT block -- `strexeq r2,r5,[r6]'
{standard input}:528: Error: thumb conditional instruction should be in IT block -- `teqeq r2,#1'
make[1]: *** [.obj/release-shared/qabstractanimation.o] Error 1
make[1]: Leaving directory `/home/jammy/qt/src/corelib'
make: *** [sub-corelib-make_default-ordered] Error 2

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https://bugs.launchpad.net/bugs/490371

Title:
  Atomic operations not safe for ARMv7,Thumb-2 and multicore




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