[Lldb-commits] [PATCH] D41962: Fix TestYMMRegisters for older machines without AVX2
Roman Lebedev via Phabricator via lldb-commits
lldb-commits at lists.llvm.org
Thu Jan 11 13:30:06 PST 2018
lebedev.ri added inline comments.
Comment at: packages/Python/lldbsuite/test/functionalities/register/intel_avx/main.c:21
+ static volatile unsigned haveAVX2;
+ haveAVX2 = __builtin_cpu_supports("avx2");
unsigned int ymmallones = 0xFFFFFFFF;
Note that you need to call `__builtin_cpu_init()` before calling `__builtin_cpu_supports()`.
Or maybe it is already called before this?
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