Commit Graph

3 Commits

Author SHA1 Message Date
Hal Finkel d86e90abdd [PowerPC] Use sync inst alias when printing
So long as the choice between printing msync and sync is not ambiguous, we can
print 'sync 0' and just 'sync'.

llvm-svn: 235663
2015-04-23 23:05:08 +00:00
Hal Finkel 7c5cb066d0 [PowerPC] Enable printing instructions using aliases
TableGen had been nicely generating code to print a number of instructions using
shorter aliases (and PowerPC has plenty of short mnemonics), but we were not
calling it. For some of the aliases we support in the parser, TableGen can't
infer the "inverse" alias relationship, so there is still more to do.

Thus, after some hours of updating test cases...

llvm-svn: 235616
2015-04-23 18:30:38 +00:00
Robin Morisset 9098fee690 [Power] Use lwsync for non-seq_cst fences
Summary:
hwsync is only required for seq_cst fences, acquire and release one can use
the cheaper lwsync.

Test Plan: Added some cases to atomics.ll + make check-all

Reviewers: jfb, wschmidt

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5317

llvm-svn: 218995
2014-10-03 18:04:36 +00:00