[PATCH] D45098: [AArch64] fix PR32384: bump the number of stores per memset/memcpy

[Sebastian Pop via Phabricator via llvm-commits]

sebpop updated this revision to Diff 148048.
sebpop retitled this revision from "[AArch64] fix PR32384: bump the number of stores per memset/memcpy/memmov" to "[AArch64] fix PR32384: bump the number of stores per memset/memcpy".
sebpop edited the summary of this revision.
sebpop added a comment.

Following Eli's recommendation the patch does not modify memmov.
I will post the updated numbers on top of the improved code generation
for memcpy: https://reviews.llvm.org/rL332482


https://reviews.llvm.org/D45098

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp


Index: llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
===================================================================
--- llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -579,10 +579,11 @@
 
   setTargetDAGCombine(ISD::GlobalAddress);
 
-  MaxStoresPerMemset = MaxStoresPerMemsetOptSize = 8;
+  MaxStoresPerMemset = 32;
+  MaxStoresPerMemsetOptSize = 8;
   MaxGluedStoresPerMemcpy = 4;
-
-  MaxStoresPerMemcpy = MaxStoresPerMemcpyOptSize = 4;
+  MaxStoresPerMemcpy = 16;
+  MaxStoresPerMemcpyOptSize = 4;
   MaxStoresPerMemmove = MaxStoresPerMemmoveOptSize = 4;
 
   setStackPointerRegisterToSaveRestore(AArch64::SP);


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