tree b757c073518e37e4117b39d4e43ff4b9f9f6773f
parent 22fb1146ffc7422b10904d062ef73668b657a8a3
author Craig Topper <craig.topper@intel.com> 1555275162 +0000
committer Craig Topper <craig.topper@intel.com> 1555275162 +0000

[X86] Redefine KUNPCK instructions to take a narrower source register class than destination register class. Remove copies from the isel output pattern.

There's no reason for the inputs to be the destination register class. This just
forces an unnecessary copy in the output patterns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358362 91177308-0d34-0410-b5e6-96231b3b80d8