Hey Antoine, do you mind replying to the list thread with a single line such:
Tested-by: Antoine Calando <acala...@free.fr> This will help the code review and the patch will probably get merged faster. Thanks. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1755479 Title: Cortex M:qemu abort with optimized code and icount Status in QEMU: New Bug description: A basic program runs fine if compiled with flag -O0 with gcc, but triggers a qemu abort when compiled with -O1 and run with icount: "qemu: fatal: IO on conditional branch instruction" I also noticed the problem on C source like this with -O0: "int foo = *bar; bar++;" : OK "int foo = *bar++;" : FAIL (!!!) Optimized binary attached to this ticket. command line: qemu-system-arm -M lm3s6965evb -nographic -kernel hello.bin -serial file:$(tty) -icount 4 -cpu cortex-m4 (working fine without icount) version: QEMU emulator version 2.11.50 (v2.11.0-2146-gd9bbfea-dirty) Compilation options: ./configure --target-list=arm-softmmu --disable-slirp --disable-blobs --disable-docs --disable-guest-agent --disable-gnutls --disable-nettle --disable-gcrypt --disable-sdl --disable-gtk --disable-vnc --disable-virtfs --disable-mpath --disable-xen --disable-brlapi --disable-curl --disable-bluez --disable-kvm --disable-hax --disable-hvf --disable-whpx --disable-rdma --disable-vde --disable-netmap --disable-linux-aio --disable-cap-ng --disable-attr --disable-vhost-net --disable-spice --disable-rbd --disable-libiscsi --disable-libnfs --disable-smartcard --disable-libusb --disable-live-block-migration --disable-usb-redir --disable-lzo --disable-snappy --disable-bzip2 --disable-seccomp --disable-glusterfs --disable-tpm --disable-libssh2 --disable-numa --disable-libxml2 --disable-tcmalloc --disable-jemalloc --disable-replication --disable-vhost-vsock --disable-opengl --disable-virglrenderer --disable-xfsctl --disable-qom-cast-debug --disable-vxhs --disable-crypto-afalg --disable-vhost-user --disable-capstone --disable-pie --extra-cflags=-mtune=native I have also tested previous versions: - stock qemu-system-arm 2.5.0 from ubuntu 16.04: OK - git version: QEMU emulator version 2.10.0 (v2.10.2-dirty): OK - git version: QEMU emulator version 2.10.90 (v2.11.0-rc0-dirty): FAIL To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1755479/+subscriptions
