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authorEvan Cheng <evan.cheng@apple.com>2006-03-04 07:49:50 +0000
committerEvan Cheng <evan.cheng@apple.com>2006-03-04 07:49:50 +0000
commitf42f516984e03114d4c494849216ebe48cbc935a (patch)
tree44d70287787486dc14d5feaedf3664b5a5456a1c
parentab51f3fa965e7d79ea2ccb2bb6d137ca16172370 (diff)
Add an entry
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26520 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/X86/README.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt
index c85477c1a6..e1bceb1b8f 100644
--- a/lib/Target/X86/README.txt
+++ b/lib/Target/X86/README.txt
@@ -533,3 +533,8 @@ as opposed to what llc is currently generating:
imull $9, 4(%esp), %eax
Currently the load folding imull has a higher complexity than the LEA32 pattern.
+
+//===---------------------------------------------------------------------===//
+
+Lower memcpy / memset to a series of SSE 128 bit move instructions when it's
+feasible.