[ARM] VQSUB instruction
authorDavid Green <david.green@arm.com>
Thu, 10 Oct 2019 16:34:30 +0000 (16:34 +0000)
committerDavid Green <david.green@arm.com>
Thu, 10 Oct 2019 16:34:30 +0000 (16:34 +0000)
commit8628bb0491cfbef98c866110d09a5c81caed6095
tree16e2359863ef09575f23c62ffc02237ddf463c67
parenta8419b1f2767c7fd5c0d0696b76d17efb2a5b418
[ARM] VQSUB instruction

Same as VQADD, VQSUB can be selected from llvm.ssub.sat intrinsics.

Differential Revision: https://reviews.llvm.org/D68567

llvm-svn: 374377
llvm/lib/Target/ARM/ARMISelLowering.cpp
llvm/lib/Target/ARM/ARMInstrMVE.td
llvm/test/CodeGen/Thumb2/mve-saturating-arith.ll