** Changed in: qemu
Assignee: (unassigned) => Laurent Vivier (laurent-vivier)
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https://bugs.launchpad.net/bugs/1881450
Title:
Emulation of a math function fails for m68k Linux user mode
Status in QEMU:
New
Bug description:
Please check the attached math-example.c file.
When running the m68k executable under QEMU, it results in an
"Illegal instruction" error.
Other targets don't produce this error.
Steps to reproduce the bug:
1. Download the math-example.c attached file.
2. Compile it by running:
m68k-linux-gnu-gcc -O2 -static math-example.c -o math-example-m68k -lm
3. Run the executable with QEMU:
/build/qemu-5.0.0/build-gcc/m68k-linux-user/qemu-m68k math-example-m68k
The output of execution is:
Profiling function expm1f():
qemu: uncaught target signal 4 (Illegal instruction) - core dumped
Illegal instruction (core dumped)
Output when running on other targets:
Profiling function expm1f():
Elapsed time: 47 ms
Control result: 71804.953125
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