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Diffstat (limited to 'results/classifier/zero-shot-user-mode/output/instruction/1725267')
| -rw-r--r-- | results/classifier/zero-shot-user-mode/output/instruction/1725267 | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/results/classifier/zero-shot-user-mode/output/instruction/1725267 b/results/classifier/zero-shot-user-mode/output/instruction/1725267 new file mode 100644 index 000000000..0bfe72ed2 --- /dev/null +++ b/results/classifier/zero-shot-user-mode/output/instruction/1725267 @@ -0,0 +1,37 @@ +instruction: 0.414 +runtime: 0.298 +syscall: 0.288 + + + +armeb regression since qemu version 2.8 + +Hi, + +I have noticed a regression when I upgraded from qemu-armeb 2.7 to 2.8, and the problem is still present with version 2.10.1. + +I am using qemu for GCC validation, noticed problems with testcases involving atomics, I'm attaching here atomic-exchange-4.exe. + +# with 2.7: +$ qemu-armeb -cpu any -R 0 -L $PWD -E LD_LIBRARY_PATH=$PWD/lib $PWD/atomic-exchange-4.exe +$ echo $? +0 +# with 2.8, 2.10.1: +$ qemu-armeb -cpu any -R 0 -L $PWD -E LD_LIBRARY_PATH=$PWD/lib $PWD/atomic-exchange-4.exe +qemu: uncaught target signal 6 (Aborted) - core dumped +Aborted (core dumped) +$ echo $? +134 + +The source code is gcc/testsuite/gcc.dg/atomic-exchange-4.c + +Running with -d in_asm shows a difference early in the startup code: +IN: _dl_sysdep_start +[...] +0x40a17790: 908ff103 addls pc, pc, r3, lsl #2 + +and then the next address is not the same with qemu 2.7 and 2.10.1 + +I hope you have enough data/information to reproduce and confirm/fix the problem. + +Thanks \ No newline at end of file |