Date: Mon, 27 Sep 2010 12:38:55 +0200 From: Dimitry Andric <dim@FreeBSD.org> To: Olivier Smedts <olivier@gid0.org> Cc: Rene Ladan <rene@freebsd.org>, Roman Divacky <rdivacky@freebsd.org>, Bartosz Stec <admin@kkip.pl>, current@freebsd.org Subject: Re: Clang now builds world and kernel, on i386 and amd64 Message-ID: <4CA0743F.8050408@FreeBSD.org> In-Reply-To: <AANLkTikD__CJy88CAtV2d7Tso20dG5OFtVLs845F%2Bx3X@mail.gmail.com> References: <4C99A53E.7060707@FreeBSD.org> <AANLkTi=_ZpYZ7XwHJOYuRMOFCGebRwD=YEYORKnMmC0s@mail.gmail.com> <4C9A32B8.60204@kkip.pl> <4C9A6A38.4080307@freebsd.org> <4C9A7203.8010701@kkip.pl> <20100923065134.GA31455@freebsd.org> <4C9B3207.2070302@kkip.pl> <AANLkTikD__CJy88CAtV2d7Tso20dG5OFtVLs845F%2Bx3X@mail.gmail.com>
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On 2010-09-27 09:32, Olivier Smedts wrote: > 2010/9/23 Bartosz Stec<admin@kkip.pl>: ... >> Assertion failed: (false&& "Ran out of registers during register >> allocation!"), function assignRegOrStackSlotAtInterval, file >> /usr/src/lib/clang/libllvmcodegen/../../../contrib/llvm/lib/CodeGen/RegAllocLinearScan.cpp, >> line 1196. ... > Same error here with yesterday's -CURRENT, but not at the same time > (the running system was compiled using gcc) : As with Bartosz, could you please remove the CPU-specific flags from make.conf, and try again? I guess there is something borked in LLVM's Athlon optimization, so it is probably better to not try to tickly those bugs for now. > # grep -vE '^#|^$' /etc/make.conf > KERNCONF=XPC > CPUTYPE=athlon-xp > CFLAGS=-O2 -pipe -march=native -fomit-frame-pointer Using CPUTYPE= and -march= seems a bit redundant. :) > clang -c -O2 -pipe -march=native -fomit-frame-pointer -DIN_GCC > -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -DHAVE_GTHR_DEFAULT > -I/usr/src/gnu/lib/libgcc/../../../contrib/gcclibs/include > -I/usr/src/gnu/lib/libgcc/../../../contrib/gcc/config > -I/usr/src/gnu/lib/libgcc/../../../contrib/gcc -I. > -I/usr/src/gnu/lib/libgcc/../../usr.bin/cc/cc_tools -std=gnu99 > -fvisibility=hidden -DHIDE_EXPORTS -fPIC -fexceptions -D__GLIBC__=3 > -DElfW=__ElfN -o unwind-dw2.o > /usr/src/gnu/lib/libgcc/../../../contrib/gcc/unwind-dw2.c > Assertion failed: (!spillIs.empty()&& "No spill intervals?"), > function assignRegOrStackSlotAtInterval, file > /usr/src/lib/clang/libllvmcodegen/../../../contrib/llvm/lib/CodeGen/RegAllocLinearScan.cpp, > line 1287. I haven't yet seen this one before. If I can reproduce it, I will report it upstream, and see if they can come up with a fix.
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