maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
247,785 Commits 23 Branches 0 Tags 2.2 GiB
Commit Graph

2 Commits

Author SHA1 Message Date
Zhan Jun Liau 0df350589f [SystemZ] Recognize RISBG opportunities involving a truncate 
Summary:
Recognize RISBG opportunities where the end result is narrower than the
original input - where a truncate separates the shift/and operations.

The motivating case is some code in postgres which looks like:

	srlg	%r2, %r0, 11
	nilh	%r2, 255

Reviewers: uweigand

Author: RolandF

Differential Revision: http://reviews.llvm.org/D21452

llvm-svn: 273433
 2016-06-22 16:16:27 +00:00
Richard Sandiford 885140c951 [SystemZ] Use ROSBG and non-zero form of RISBG for OR nodes 
llvm-svn: 186405
 2013-07-16 11:55:57 +00:00