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| author | Evan Cheng <evan.cheng@apple.com> | 2008-02-28 00:43:03 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-02-28 00:43:03 +0000 |
| commit | fb8075d03f5c87bd57dcc9c5f2304f6b13c55aad (patch) | |
| tree | c0823b1738e1ce2f7c6c219547f9f116d53074bf /lib/Target/X86/X86ISelLowering.cpp | |
| parent | 41ce5b82da30b27d00993a2882cc52f427f6309c (diff) | |
Add a quick and dirty "loop aligner pass". x86 uses it to align its loops to 16-byte boundaries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47703 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 50014b3182..8acf779676 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -714,6 +714,7 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM) maxStoresPerMemcpy = 16; // For %llvm.memcpy -> sequence of stores maxStoresPerMemmove = 16; // For %llvm.memmove -> sequence of stores allowUnalignedMemoryAccesses = true; // x86 supports it! + setPrefLoopAlignment(16); } /// getMaxByValAlign - Helper for getByValTypeAlignment to determine |