https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225488
Bug ID: 225488
Summary: clang-6.0.0 crashes building multimedia/libvpx
Product: Base System
Version: CURRENT
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: bin
Assignee: freebsd-bugs@FreeBSD.org
Reporter: pa...@freebsd.org
cc -O2 -pipe -march=native -fstack-protector -fno-strict-aliasing -m64
-DNDEBUG -O3 -fPIC -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64 -Wall -Wdeclaration-after-statement
-Wdisabled-optimization -Wfloat-conversion -Wparentheses-equality
-Wpointer-arith -Wtype-limits -Wcast-qual -Wvla -Wimplicit-function-declaration
-Wuninitialized -Wunused -Wextra -Wundef -Wshorten-64-to-32 -I.
-I"/usr/local/ports/multimedia/libvpx/work/libvpx-1.7.0" -msse2 -c -o
vpx_dsp/x86/variance_sse2.c.o vpx_dsp/x86/variance_sse2.c
SplitVectorResult #0: t25: v8i64 = llvm.x86.avx512.psad.bw.512
TargetConstant:i64<5820>, t11, t5
fatal error: error in backend: Do not know how to split the result of this
operator!
cc: error: clang frontend command failed with exit code 70 (use -v to see
invocation)
FreeBSD clang version 6.0.0 (branches/release_60 323338) (based on LLVM 6.0.0)
Target: x86_64-unknown-freebsd12.0
Thread model: posix
InstalledDir: /usr/bin
cc: note: diagnostic msg: PLEASE submit a bug report to
https://bugs.freebsd.org/submit/ and include the crash backtrace, preprocessed
source, and associated run script.
cc: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
cc: note: diagnostic msg: /tmp/sad4d_avx512-2e4c36.c
cc: note: diagnostic msg: /tmp/sad4d_avx512-2e4c36.sh
cc: note: diagnostic msg:
********************
gmake[2]: *** [Makefile:157: vpx_dsp/x86/sad4d_avx512.c.o] Error 70
gmake[2]: *** Waiting for unfinished jobs....
gmake[1]: *** [Makefile:17: .DEFAULT] Error 2
gmake[1]: Leaving directory
'/usr/local/ports/multimedia/libvpx/work/libvpx-1.7.0'
===> Compilation failed unexpectedly.
FreeBSD blaviken.kreta.org 12.0-CURRENT FreeBSD 12.0-CURRENT #13 r328465: Sat
Jan 27 12:47:49 CET 2018
r...@blaviken.kreta.org:/usr/obj/hdd/src/amd64.amd64/sys/GENERIC amd64
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