[PATCH] D38824: [X86] Synchronize the CPU predefined macros with gcc

[Craig Topper via Phabricator via cfe-commits]

craig.topper created this revision.
Herald added a subscriber: krytarowski.

We were using corei7 for a large swatch of Intel CPUs. gcc has a different defines that more closely match the march flags. This updates to match.  It also fixes skylake-avx512 and adds silvermont in addition to slm.


https://reviews.llvm.org/D38824

Files:
  lib/Basic/Targets/X86.cpp
  test/Preprocessor/predefined-arch-macros.c

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