Date: Thu, 23 May 2019 11:26:36 -0700 From: Mark Millard <marklmi@yahoo.com> To: FreeBSD Toolchain <freebsd-toolchain@freebsd.org>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Cc: Jan Beich <jbeich@FreeBSD.org>, ports-list freebsd <freebsd-ports@freebsd.org> Subject: Re: powerpc64 graphics/mesa-dri build failure in poudriere, system clang's /usr/bin/cc got assert failure: "Target supports vector op, but scalar requires expansion?" Message-ID: <12E7623E-2B40-4740-8965-0CAB7D695AB9@yahoo.com> In-Reply-To: <A0862A43-075F-4760-ABDE-6F3D83C9768F@yahoo.com> References: <A0862A43-075F-4760-ABDE-6F3D83C9768F@yahoo.com>
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[Just sending to toolchain and powerpc lists as well. Somehow I
missed listing them the first time I sent this out.]
On 2019-May-23, at 11:20, Mark Millard <marklmi at yahoo.com> wrote:
> =46rom a poudriere bulk build in a powerpc64 context (old PowerMac)
> that was built with and uses system clang 8 and base/binutils
> instead of the gcc 4.2.1 toolchain. I got:
>=20
> [09:05:56] [04] [00:14:42] Saved graphics/mesa-dri | mesa-dri-18.3.2_2 =
wrkdir to: =
/usr/local/poudriere/data/wrkdirs/FBSDpowerpc64-default/default/mesa-dri-1=
8.3.2_2.tbz
> [09:05:57] [04] [00:14:43] Finished graphics/mesa-dri | =
mesa-dri-18.3.2_2: Failed: build
> [09:05:59] [04] [00:14:45] Skipping x11-drivers/xf86-input-keyboard | =
xf86-input-keyboard-1.9.0_3: Dependent port graphics/mesa-dri | =
mesa-dri-18.3.2_2 failed
> [09:05:59] [04] [00:14:45] Skipping x11-drivers/xf86-input-mouse | =
xf86-input-mouse-1.9.3_2: Dependent port graphics/mesa-dri | =
mesa-dri-18.3.2_2 failed
> [09:05:59] [04] [00:14:45] Skipping x11-drivers/xf86-video-scfb | =
xf86-video-scfb-0.0.4_7: Dependent port graphics/mesa-dri | =
mesa-dri-18.3.2_2 failed
> [09:05:59] [04] [00:14:45] Skipping x11-drivers/xf86-video-vesa | =
xf86-video-vesa-2.4.0_2: Dependent port graphics/mesa-dri | =
mesa-dri-18.3.2_2 failed
> [09:05:59] [04] [00:14:45] Skipping x11/xorg-minimal | =
xorg-minimal-7.5.2_2: Dependent port graphics/mesa-dri | =
mesa-dri-18.3.2_2 failed
> [09:05:59] [04] [00:14:45] Skipping x11-servers/xorg-server | =
xorg-server-1.18.4_11,1: Dependent port graphics/mesa-dri | =
mesa-dri-18.3.2_2 failed
>=20
> I do have a backtrace:
>=20
> . . .
> Core was generated by `/usr/bin/cc -cc1 -triple =
powerpc64-unknown-freebsd13.0 -emit-obj -disable-free -'.
> Program terminated with signal SIGABRT, Aborted.
> #0 .__sys_thr_kill () at thr_kill.S:3
> 3 RSYSCALL(thr_kill)
> (gdb) bt
> #0 .__sys_thr_kill () at thr_kill.S:3
> #1 0x00000000133072d0 in __raise (s=3D330578472) at =
/usr/src/lib/libc/gen/raise.c:52
> #2 0x00000000132c7898 in abort () at =
/usr/src/lib/libc/stdlib/abort.c:79
> #3 0x00000000132f6c64 in __assert (func=3D<optimized out>, =
file=3D<optimized out>, line=3D<optimized out>, failedexpr=3D<optimized =
out>) at /usr/src/lib/libc/gen/assert.c:51
> #4 0x00000000130f7c18 in WidenVectorResult () at =
/usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp:253=
1
> #5 0x0000000012ad91f0 in run () at =
/usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp:281
> #6 0x0000000012adfa5c in LegalizeTypes () at =
/usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp:1115
> #7 0x000000001297ebb4 in CodeGenAndEmitDAG () at =
/usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:776
> #8 0x000000001297e114 in SelectBasicBlock () at =
/usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:669
> #9 0x000000001297cbc4 in SelectAllBasicBlocks () at =
/usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1784
> #10 0x0000000000000000 in ?? ()
>=20
> (gdb) up 4
> #4 0x00000000130f7c18 in WidenVectorResult () at =
/usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp:253=
1
> 2531 assert(!TLI.isOperationLegalOrCustom(N->getOpcode(), =
WideVecVT) &&
>=20
> (gdb) list
> 2526 // libcalls on the undef elements. We are assuming that if =
the scalar op
> 2527 // requires expanding, then the vector op needs expanding =
too.
> 2528 EVT VT =3D N->getValueType(0);
> 2529 if (TLI.isOperationExpand(N->getOpcode(), =
VT.getScalarType())) {
> 2530 EVT WideVecVT =3D =
TLI.getTypeToTransformTo(*DAG.getContext(), VT);
> 2531 assert(!TLI.isOperationLegalOrCustom(N->getOpcode(), =
WideVecVT) &&
> 2532 "Target supports vector op, but scalar requires =
expansion?");
> 2533 Res =3D DAG.UnrollVectorOp(N, =
WideVecVT.getVectorNumElements());
> 2534 break;
> 2535 }
>=20
>=20
>=20
> Unfortunately poudiere bulk tar archives of failures do not
> catch the /tmp/* material from:
>=20
> cc: error: unable to execute command: Abort trap (core dumped)
> cc: error: clang frontend command failed due to signal (use -v to see =
invocation)
> FreeBSD clang version 8.0.0 (tags/RELEASE_800/final 356365) (based on =
LLVM 8.0.0)
> Target: powerpc64-unknown-freebsd13.0
> 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:=20
> ********************
>=20
> 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/nir_constant_expressions-b77016.c
> cc: note: diagnostic msg: /tmp/nir_constant_expressions-b77016.sh
> cc: note: diagnostic msg:=20
>=20
> ********************
> gmake[5]: *** [Makefile:2829: nir/nir_constant_expressions.lo] Error 1
> gmake[5]: *** Waiting for unfinished jobs....
> gmake[5]: Leaving directory =
'/wrkdirs/usr/ports/graphics/mesa-dri/work/mesa-18.3.2/src/compiler'
=3D=3D=3D
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
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