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2 Commits

Author SHA1 Message Date
Adhemerval Zanella
101145b734 [AArch64] Handle ISD::LROUND and ISD::LLROUND 
This patch optimizes ISD::LROUND and ISD::LLROUND to fcvtas
instruction. It currently only handles the scalar version.

llvm-svn: 360894
 2019-05-16 13:30:18 +00:00
Adhemerval Zanella
c00c3084e9 [CodeGen] Add lround/llround builtins 
This patch add the ISD::LROUND and ISD::LLROUND along with new
intrinsics.  The changes are straightforward as for other
floating-point rounding functions, with just some adjustments
required to handle the return value being an interger.

The idea is to optimize lround/llround generation for AArch64
in a subsequent patch.  Current semantic is just route it to libm
symbol.

llvm-svn: 360889
 2019-05-16 13:15:27 +00:00