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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2008-04-12 22:12:22 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2008-04-12 22:12:22 +0000 |
| commit | 78c80fdbdd7a0db3cd5c84f60ddc95e72702fe2e (patch) | |
| tree | 514df7ef40b459c9c9090859e5a870a278cec3c0 /lib/Target/X86/X86Subtarget.cpp | |
| parent | 4b5324ad2cbf774c9c6ed02ea0fcc864f2f5f885 (diff) | |
Provide option for stack alignment override
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49593 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86Subtarget.cpp')
| -rw-r--r-- | lib/Target/X86/X86Subtarget.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp index 56bb7acdb0..463b47f14f 100644 --- a/lib/Target/X86/X86Subtarget.cpp +++ b/lib/Target/X86/X86Subtarget.cpp @@ -26,6 +26,10 @@ AsmWriterFlavor("x86-asm-syntax", cl::init(X86Subtarget::Unset), clEnumValN(X86Subtarget::Intel, "intel", " Emit Intel-style assembly"), clEnumValEnd)); +cl::opt<unsigned> +StackAlignment("stack-alignment", cl::init(0), + cl::desc("Override default stack alignment")); + /// True if accessing the GV requires an extra load. For Windows, dllimported /// symbols are indirect, loading the value at address GV rather then the @@ -316,4 +320,7 @@ X86Subtarget::X86Subtarget(const Module &M, const std::string &FS, bool is64Bit) TargetType == isWindows || (TargetType == isELF && Is64Bit)) stackAlignment = 16; + + if (StackAlignment) + stackAlignment = StackAlignment; } |