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| author | Guillaume Chatelet <gchatelet@google.com> | 2019-09-06 14:51:15 +0000 |
|---|---|---|
| committer | Guillaume Chatelet <gchatelet@google.com> | 2019-09-06 14:51:15 +0000 |
| commit | 9fcf066d0cd2fc283e410acc19b110c90f43e26c (patch) | |
| tree | ab029a5c72bace85b998ddef43ee6a4102e251dc /llvm/lib/Target/X86/X86ISelLowering.cpp | |
| parent | f1d33842b9d0701bf31a51c21c8bf9af5dd79138 (diff) | |
| download | bcm5719-llvm-9fcf066d0cd2fc283e410acc19b110c90f43e26c.tar.gz bcm5719-llvm-9fcf066d0cd2fc283e410acc19b110c90f43e26c.zip | |
[Alignment][NFC] Use Align with TargetLowering::setPrefLoopAlignment
Summary:
This is patch is part of a series to introduce an Alignment type.
See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html
See this patch for the introduction of the type: https://reviews.llvm.org/D64790
Reviewers: courbet
Subscribers: nemanjai, hiraditya, kbarton, MaskRay, jsji, ychen, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D67278
llvm-svn: 371210
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 136d124ab4b..9e249caea4b 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -73,9 +73,10 @@ cl::opt<bool> ExperimentalVectorWideningLegalization( static cl::opt<int> ExperimentalPrefLoopAlignment( "x86-experimental-pref-loop-alignment", cl::init(4), - cl::desc("Sets the preferable loop alignment for experiments " - "(the last x86-experimental-pref-loop-alignment bits" - " of the loop header PC will be 0)."), + cl::desc( + "Sets the preferable loop alignment for experiments (as log2 bytes)" + "(the last x86-experimental-pref-loop-alignment bits" + " of the loop header PC will be 0)."), cl::Hidden); // Added in 10.0. @@ -1892,7 +1893,7 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM, MaxLoadsPerMemcmpOptSize = 2; // Set loop alignment to 2^ExperimentalPrefLoopAlignment bytes (default: 2^4). - setPrefLoopLogAlignment(ExperimentalPrefLoopAlignment); + setPrefLoopAlignment(llvm::Align(1UL << ExperimentalPrefLoopAlignment)); // An out-of-order CPU can speculatively execute past a predictable branch, // but a conditional move could be stalled by an expensive earlier operation. |
