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Diffstat (limited to 'results/classifier/gemma3:12b/assembly/1912934')
| -rw-r--r-- | results/classifier/gemma3:12b/assembly/1912934 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/assembly/1912934 b/results/classifier/gemma3:12b/assembly/1912934 new file mode 100644 index 00000000..0be6f924 --- /dev/null +++ b/results/classifier/gemma3:12b/assembly/1912934 @@ -0,0 +1,18 @@ + +QEMU emulation of fmadds instruction on powerpc64le is buggy + +The attached program test-fmadds.c tests the fmadds instruction on powerpc64le. + +Result on real hardware (POWER8E processor): +$ ./a.out ; echo $? +0 + +Result in Alpine Linux 3.13/powerpcle, emulated by QEMU 5.0.0 on Ubuntu 16.04: +$ ./a.out ; echo $? +32 + +Result in Debian 8.6.0/ppc64el, emulated by QEMU 2.9.0 on Ubuntu 16.04: +$ ./a.out ; echo $? +32 + +Through 'nm --dynamic qemu-system-ppc64 | grep fma' I can see that QEMU is NOT using the fmaf() or fma() function from the host system's libc; this function is working fine in glibc of the host system (see https://www.gnu.org/software/gnulib/manual/html_node/fmaf.html ). \ No newline at end of file |