16-byte stack alignment for X86-64 ELF. Patch by Dan Gohman.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32004 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index a864bb69a954d6e572eeff1ae4599a3c1c7af173..ea185b98e82a2316d70dafffe107ad539f319ed1 100644 (file)
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -255,6 +255,8 @@ X86Subtarget::X86Subtarget(const Module &M, const std::string &FS, bool is64Bit)
     }
   }
 
-  if (TargetType == isDarwin || TargetType == isCygwin)
+  if (TargetType == isDarwin ||
+      TargetType == isCygwin ||
+      (TargetType == isELF && Is64Bit))
     stackAlignment = 16;
 }