[PATCH] D22050: [SystemZ] Add support for missing instructions
Marcin KoĆcielnicki via llvm-commits
llvm-commits at lists.llvm.org
Wed Jul 6 11:49:19 PDT 2016
koriakin added a subscriber: koriakin.
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Comment at: lib/Target/SystemZ/SystemZInstrInfo.td:1201
@@ -1189,2 +1200,3 @@
defm SLL : BinaryRSAndK<"sll", 0x89, 0xEBDF, shl, GR32>;
+ defm SLA : BinaryRSAndK<"sla", 0x8B, 0xEBDD, shl, GR32>;
def SLLG : BinaryRSY<"sllg", 0xEB0D, shl, GR64>;
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Don't give a pattern to this instruction - otherwise, ISel could use it to implement shl, which is incorrect.
http://reviews.llvm.org/D22050
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