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On Fri, Nov 16, 2018 at 1:02 AM Tom Stellard <tstellar at redhat.com> wrote: > > On 11/15/2018 09:47 PM, Jeffrey Walton wrote: > > On Fri, Nov 16, 2018 at 12:46 AM Tom Stellard <tstellar at redhat.com> wrote: > >> > >> On 11/15/2018 09:39 PM, Jeffrey Walton via llvm-dev wrote: > >>> I'm trying to build LLVM, CFE and RT from sources on an

I'm testing on older OS X 10.8 with older SSE4 hardware from about 2010. I've got updated gear from MacPorts and it includes GCC and Clang. GCC is the compiler, and Clang is the assembler. We perform a compile/link on a test file to ensure an ISA is supported by the toolchain. If an ISA is available then we compile a source file to the ISA as needed. Then, we guard the higher ISAs at

Hi Everyone, We caught a report for a failed self test when using Clang 5.0 and 6.0 with -DDEBUG and -O1 (i.e., a "debug build"). The code is question is located at https://github.com/weidai11/cryptopp/blob/master/cham-simd.cpp . It is the SSSE3 code path for CHAM64. Other optimizations levels are OK for Clang. GCC, ICC and MSVC are OK. The code is valgrind, Sanitizer, Coverity and