Any tips or suggestions on how to isolate or identify this defect? It seems non-trivial to bisect this failure.
Hans: presumably this bug should block the 8.0 release? On Mon, Feb 11, 2019 at 8:37 AM Brian Cain <brian.c...@gmail.com> wrote: > rc1 did not exhibit this mismatch. A repeat of the rc2 build repeated the > mismatch. I diff'd the disassembly between phase 2 and phase 3 and the > difference is the same on both builds. The difference follows: > > # diff x86isel_p{2,3}.s > 2c2 > < > Phase2/Release/llvmCore-8.0.0-rc2.obj/lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86ISelLowering.cpp.o: > file format elf64-x86-64 > --- > > > Phase3/Release/llvmCore-8.0.0-rc2.obj/lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86ISelLowering.cpp.o: > file format elf64-x86-64 > 121757c121757 > < 863: 48 8b 84 24 e0 05 00 mov 0x5e0(%rsp),%rax > --- > > 863: 48 8b 84 24 b0 01 00 mov 0x1b0(%rsp),%rax > 121759c121759 > < 86b: 48 33 84 24 b0 01 00 xor 0x1b0(%rsp),%rax > --- > > 86b: 48 33 84 24 e0 05 00 xor 0x5e0(%rsp),%rax > 121761,121762c121761,121762 > < 873: 8b 8c 24 e8 05 00 00 mov 0x5e8(%rsp),%ecx > < 87a: 33 8c 24 b8 01 00 00 xor 0x1b8(%rsp),%ecx > --- > > 873: 8b 8c 24 b8 01 00 00 mov 0x1b8(%rsp),%ecx > > 87a: 33 8c 24 e8 05 00 00 xor 0x5e8(%rsp),%ecx > > > On Sat, Feb 9, 2019 at 9:54 AM Brian Cain <brian.c...@gmail.com> wrote: > >> rc2 build on Ubuntu 16.04 saw a stage 2/3 mismatch on >> X86IselLowering.cpp.o -- I didn't try to build rc1 for 16.04 but I can try >> it now to see if it's there too. >> >> I can pass along logs if anyone wants to investigate. >> >> On Thu, Feb 7, 2019 at 9:41 AM Hans Wennborg via Release-testers < >> release-test...@lists.llvm.org> wrote: >> >>> Dear testers, >>> >>> 8.0.0-rc2 has been tagged from the release_80 branch at r353413. >>> >>> Please run the test script, share your results, and upload binaries. >>> >>> I'll get the source tarballs and docs published as soon as possible, >>> and binaries as they become available. >>> >>> Thanks, >>> Hans >>> _______________________________________________ >>> Release-testers mailing list >>> release-test...@lists.llvm.org >>> https://lists.llvm.org/cgi-bin/mailman/listinfo/release-testers >>> >> >> >> > > -- > -Brian > -- -Brian
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