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3 Commits

Author SHA1 Message Date
Roland Froese b4051e57b1 [PowerPC] Expand v1i128 smin 
The smin opcode and friends for v1i128 are incorrectly marked as legal for PPC.
Change them to expand.

Differential Revision: https://reviews.llvm.org/D64960

llvm-svn: 369797
 2019-08-23 19:04:47 +00:00
QingShan Zhang 7fdb3a293b [PowerPC] Implement the areMemAccessesTriviallyDisjoint hook 
After implemented this hook, we will model the memory dependency in the scheduling dependency graph more precise,
and will have more opportunity to reorder the load/stores, as they didn't have the dependency at some condition

Differential Revision: https://reviews.llvm.org/D63804

llvm-svn: 364886
 2019-07-02 03:28:52 +00:00
Nemanja Ivanovic ef4a3aa549 [PowerPC] Exploit the vector min/max instructions 
Use the PPC vector min/max instructions for computing the corresponding
operation as these should be faster than the compare/select sequences
we currently emit.

Differential revision: https://reviews.llvm.org/D47332

llvm-svn: 362759
 2019-06-06 23:49:01 +00:00