2ce77c86aacafb5bfd7a7e8bba59151fb452d2a1 - llvm

commit	2ce77c86aacafb5bfd7a7e8bba59151fb452d2a1	[log] [tgz]
author	Luis Marques <luismarques@lowrisc.org>	Tue Apr 16 14:38:32 2019 +0000
committer	Luis Marques <luismarques@lowrisc.org>	Tue Apr 16 14:38:32 2019 +0000
tree	50811142e9745498a090c0c32a4f2b8d0e2c08d3
parent	394ea6522c69c2668bf328fc923e1a11cd785265 [diff]

[RISCV] Custom lower SHL_PARTS, SRA_PARTS, SRL_PARTS

When not optimizing for minimum size (-Oz) we custom lower wide shifts
(SHL_PARTS, SRA_PARTS, SRL_PARTS) instead of expanding to a libcall.

Differential Revision: https://reviews.llvm.org/D59477


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358498 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/RISCV/RISCVISelLowering.cpp[diff]
lib/Target/RISCV/RISCVISelLowering.h[diff]
test/CodeGen/RISCV/alu64.ll[diff]
test/CodeGen/RISCV/shifts.ll[diff]

4 files changed

tree: 50811142e9745498a090c0c32a4f2b8d0e2c08d3