[llvm-commits] [llvm] r50157 - in /llvm/trunk: include/llvm/Target/TargetOptions.h lib/Target/TargetMachine.cpp lib/Target/X86/X86RegisterInfo.cpp lib/Target/X86/X86Subtarget.cpp

Anton Korobeynikov asl at math.spbu.ru
Wed Apr 23 11:18:10 PDT 2008


Author: asl
Date: Wed Apr 23 13:18:10 2008
New Revision: 50157

URL: http://llvm.org/viewvc/llvm-project?rev=50157&view=rev
Log:
Make stack alignment options global for all targets

Modified:
    llvm/trunk/include/llvm/Target/TargetOptions.h
    llvm/trunk/lib/Target/TargetMachine.cpp
    llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp
    llvm/trunk/lib/Target/X86/X86Subtarget.cpp

Modified: llvm/trunk/include/llvm/Target/TargetOptions.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/TargetOptions.h?rev=50157&r1=50156&r2=50157&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Target/TargetOptions.h (original)
+++ llvm/trunk/include/llvm/Target/TargetOptions.h Wed Apr 23 13:18:10 2008
@@ -86,6 +86,13 @@
   /// OptimizeForSize - When this flag is set, the code generator avoids 
   /// optimizations that increase size.
   extern bool OptimizeForSize;
+
+  /// StackAlignment - Override default stack alignment for target.
+  extern unsigned StackAlignment;
+
+  /// RealignStack - This flag indicates, whether stack should be automatically
+  /// realigned, if needed.
+  extern bool RealignStack;
 } // End llvm namespace
 
 #endif

Modified: llvm/trunk/lib/Target/TargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/TargetMachine.cpp?rev=50157&r1=50156&r2=50157&view=diff

==============================================================================
--- llvm/trunk/lib/Target/TargetMachine.cpp (original)
+++ llvm/trunk/lib/Target/TargetMachine.cpp Wed Apr 23 13:18:10 2008
@@ -36,6 +36,8 @@
   CodeModel::Model CMModel;
   bool PerformTailCallOpt;
   bool OptimizeForSize;
+  bool RealignStack;
+  unsigned StackAlignment;
 }
 namespace {
   cl::opt<bool, true> PrintCode("print-machineinstrs",
@@ -135,6 +137,18 @@
                         cl::desc("Optimize for size."),
                            cl::location(OptimizeForSize),
                            cl::init(false));
+
+  cl::opt<bool, true>
+  EnableRealignStack("realign-stack",
+                     cl::desc("Realign stack if needed"),
+                     cl::location(RealignStack),
+                     cl::init(true));
+
+  cl::opt<unsigned, true>
+  OverrideStackAlignment("stack-alignment",
+                         cl::desc("Override default stack alignment"),
+                         cl::location(StackAlignment),
+                         cl::init(0));
 }
 
 //---------------------------------------------------------------------------

Modified: llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp?rev=50157&r1=50156&r2=50157&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp Wed Apr 23 13:18:10 2008
@@ -29,7 +29,6 @@
 #include "llvm/CodeGen/MachineLocation.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
-#include "llvm/Support/CommandLine.h"
 #include "llvm/Target/TargetAsmInfo.h"
 #include "llvm/Target/TargetFrameInfo.h"
 #include "llvm/Target/TargetInstrInfo.h"
@@ -39,10 +38,6 @@
 #include "llvm/ADT/STLExtras.h"
 using namespace llvm;
 
-static cl::opt<bool>
-RealignStack("realign-stack", cl::init(true),
-             cl::desc("Realign stack if needed"));
-
 X86RegisterInfo::X86RegisterInfo(X86TargetMachine &tm,
                                  const TargetInstrInfo &tii)
   : X86GenRegisterInfo(X86::ADJCALLSTACKDOWN, X86::ADJCALLSTACKUP),

Modified: llvm/trunk/lib/Target/X86/X86Subtarget.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Subtarget.cpp?rev=50157&r1=50156&r2=50157&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86Subtarget.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86Subtarget.cpp Wed Apr 23 13:18:10 2008
@@ -16,6 +16,7 @@
 #include "llvm/Module.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetOptions.h"
 using namespace llvm;
 
 cl::opt<X86Subtarget::AsmWriterFlavorTy>
@@ -26,10 +27,6 @@
     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





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