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| author | Chris Lattner <sabre@nondot.org> | 2003-01-16 02:20:12 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2003-01-16 02:20:12 +0000 |
| commit | f158da2f78b5bedbffddeb15ff19de647954e645 (patch) | |
| tree | df883091472e4d57940ac89318503bfa46029b74 /lib/Target/X86/X86TargetMachine.cpp | |
| parent | eafa42388160fa28621934392a7c5a22dbea54d0 (diff) | |
Implement code to keep the stack pointer aligned to an 8 byte boundary.
This improves the performance of the power benchmark by a few percent.
This will be neccesary for SSE code, which requires 16 byte alignment of
the stack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5320 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86TargetMachine.cpp')
| -rw-r--r-- | lib/Target/X86/X86TargetMachine.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp index db846651fc..c578ba83a6 100644 --- a/lib/Target/X86/X86TargetMachine.cpp +++ b/lib/Target/X86/X86TargetMachine.cpp @@ -37,7 +37,7 @@ X86TargetMachine::X86TargetMachine(unsigned Config) 1, 4, (Config & TM::PtrSizeMask) == TM::PtrSize64 ? 8 : 4, (Config & TM::PtrSizeMask) == TM::PtrSize64 ? 8 : 4), - FrameInfo(TargetFrameInfo::StackGrowsDown, 1/*16*/, 0) { + FrameInfo(TargetFrameInfo::StackGrowsDown, 8/*16 for SSE*/, 4) { } /// addPassesToJITCompile - Add passes to the specified pass manager to |