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(parent: ab12984) | patch
CodeGen: Power: Add lowering for shifts of v1i128.
authorKyle Butt <kyle+llvm@iteratee.net>
Wed, 17 May 2017 21:54:41 +0000 (21:54 +0000)
committerKyle Butt <kyle+llvm@iteratee.net>
Wed, 17 May 2017 21:54:41 +0000 (21:54 +0000)
commitf6c61ef64d1293a0531cbcd0afeb2a401edd501e
tree1441f525eb865508738f3b765fa9f47738b4e9f2tree | snapshot
parentab12984634c6614b5cb17390e0190562d248ed77commit | diff
CodeGen: Power: Add lowering for shifts of v1i128.

When legalizing vector operations on vNi128, they will be split to v1i128
because that is a legal type on ppc64, but then the compiler will crash in
selection dag because it fails to select for these operations. This patch fixes
shift operations. Logical shift right and left shift can be performed in the
vector unit, but algebraic shift right requires being split.

Differential Revision: https://reviews.llvm.org/D32774

llvm-svn: 303307
llvm/lib/Target/PowerPC/PPCISelLowering.cpp diff | blob | history
llvm/lib/Target/PowerPC/PPCInstrAltivec.td diff | blob | history
llvm/test/CodeGen/PowerPC/shift128.ll diff | blob | history
Domain: System / Toolchain;