[llvm-commits] [PATCH 1/3] BMI2 code generation support

[Michael Liao]

Hi

Here's the first patch enabling BMI2 code generation. BMI2 insns are
added but there's no code generation support. As documented in [1], most
of BMI2 insns need auto-generating from high-level language instead of
intrinsics. This patch enables MULX to be used when lowering UMUL_LOHI
with BMI2 enabled.

Thanks for your review.

Yours
- Michael

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[1] http://software.intel.com/sites/default/files/319433-014.pdf

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