https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91994
Bug ID: 91994
Summary: [10 Regression] r276327 miscompiled 557.xz_r in SPEC
CPU 2017
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
CC: rdsandiford at googlemail dot com
Target Milestone: ---
On x86-64, r276327 miscompiled 557.xz_r in SPEC CPU 2017 with
-fno-unsafe-math-optimizations -mfpmath=sse -march=skylake -Ofast
-funroll-loops
hjl@gnu-skx-1 run_peak_refrate_gcc_native-m64.0000]$ cat
cpu2006docs.tar-250-6e.out.mis
0011: Uncompressed data 262144000 bytes in length
Decompression decoder error: Compressed data is corrupt (code 9)
^
0012: Uncompressed data compared correctly
Uncompressed data 262144000 bytes in length
^
0013: Tested 250 MiB buffer: OK!
Uncompressed data compared correctly
^
'cpu2006docs.tar-250-6e.out' long
[hjl@gnu-skx-1 run_peak_refrate_gcc_native-m64.0000]$
