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3 Commits

Author SHA1 Message Date
Hal Finkel
2093a3cb26 [PowerPC] Modern Book-E cores support sync 
Older Book-E cores, such as the PPC 440, support only msync (which has the same
encoding as sync 0), but not any of the other sync forms. Newer Book-E cores,
however, do support sync, and for performance reasons we should allow the use
of the more-general form.

This refactors msync use into its own feature group so that it applies by
default only to older Book-E cores (of the relevant cores, we only have
definitions for the PPC440/450 currently).

llvm-svn: 218923
 2014-10-02 22:34:22 +00:00
Hal Finkel
d65adcde2d use FileCheck and not grep in new tests 
llvm-svn: 142189
 2011-10-17 16:01:41 +00:00
Hal Finkel
b128cda81b Add PPC 440 scheduler and some associated tests (new files) 
llvm-svn: 142171
 2011-10-17 04:03:55 +00:00