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| author | Evan Cheng <evan.cheng@apple.com> | 2006-02-17 00:00:58 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-02-17 00:00:58 +0000 |
| commit | dc8acb6420051b09a41742a0fcee2648fe688671 (patch) | |
| tree | 7cc99b64d093a5c5fb187cf50637d0b6bfce5568 | |
| parent | 39d1761c702c16f906e3a80192e78e243d54a8a5 (diff) | |
| download | external_llvm-dc8acb6420051b09a41742a0fcee2648fe688671.zip external_llvm-dc8acb6420051b09a41742a0fcee2648fe688671.tar.gz external_llvm-dc8acb6420051b09a41742a0fcee2648fe688671.tar.bz2 | |
Remove the entry about using movapd for SSE reg-reg moves.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26245 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/README.txt | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt index 50d87bc..b794176 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -356,12 +356,6 @@ This may just be a matter of using 'test' to write bigger patterns for X86cmp. //===---------------------------------------------------------------------===// -Evaluate whether using movapd for SSE reg-reg moves is faster than using -movsd/movss for them. It may eliminate false partial register dependences by -writing the whole result register. - -//===---------------------------------------------------------------------===// - SSE should implement 'select_cc' using 'emulated conditional moves' that use pcmp/pand/pandn/por to do a selection instead of a conditional branch: |