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authorChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:24:58 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:27:06 +0000
commit33606b41d35115f887ea688b1a16f2ff85bf2fe4 (patch)
tree406b2c7b19a087ba437c68f3dbf0b589fa1d6150 /results/scraper/launchpad-without-comments/1881450
parentadedf8771bc4de3113041ca21bd4d0d1c0014b6a (diff)
downloademulator-bug-study-33606b41d35115f887ea688b1a16f2ff85bf2fe4.tar.gz
emulator-bug-study-33606b41d35115f887ea688b1a16f2ff85bf2fe4.zip
add launchpad bug reports without comments
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+Emulation of a math function fails for m68k Linux user mode
+
+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)
+
+Expected output:
+        Profiling function expm1f():
+          Elapsed time: 47 ms
+          Control result: 71804.953125
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