[llvm-commits] CVS: llvm/lib/Target/X86/X86ISelDAGToDAG.cpp X86ISelLowering.cpp X86Subtarget.cpp

[Evan Cheng]

Changes in directory llvm/lib/Target/X86:

X86ISelDAGToDAG.cpp updated: 1.143 -> 1.144
X86ISelLowering.cpp updated: 1.314 -> 1.315
X86Subtarget.cpp updated: 1.49 -> 1.50
---
Log message:

Linux GOT indirect reference is only necessary in PIC mode.

---
Diffs of the changes:  (+5 -3)

 X86ISelDAGToDAG.cpp |    3 ++-
 X86ISelLowering.cpp |    3 ++-
 X86Subtarget.cpp    |    2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)


Index: llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
diff -u llvm/lib/Target/X86/X86ISelDAGToDAG.cpp:1.143 
llvm/lib/Target/X86/X86ISelDAGToDAG.cpp:1.144
--- llvm/lib/Target/X86/X86ISelDAGToDAG.cpp:1.143       Fri Jan 12 17:22:14 2007
+++ llvm/lib/Target/X86/X86ISelDAGToDAG.cpp     Mon Jan 22 15:34:25 2007
@@ -947,7 +947,8 @@
     
     // If we're using vanilla 'GOT' PIC style, we should use relative 
addressing
     // not to pc, but to _GLOBAL_ADDRESS_TABLE_ external
-    if (Subtarget->isPICStyleGOT()) {
+    if (TM.getRelocationModel() == Reloc::PIC_ &&
+        Subtarget->isPICStyleGOT()) {
       GlobalBaseReg = RegMap->createVirtualRegister(X86::GR32RegisterClass);
       BuildMI(FirstMBB, MBBI, TII->get(X86::ADD32ri), GlobalBaseReg).
         addReg(PC).


Index: llvm/lib/Target/X86/X86ISelLowering.cpp
diff -u llvm/lib/Target/X86/X86ISelLowering.cpp:1.314 
llvm/lib/Target/X86/X86ISelLowering.cpp:1.315
--- llvm/lib/Target/X86/X86ISelLowering.cpp:1.314       Fri Jan 12 13:20:47 2007
+++ llvm/lib/Target/X86/X86ISelLowering.cpp     Mon Jan 22 15:34:25 2007
@@ -664,7 +664,8 @@
     InFlag = Chain.getValue(1);
   }
 
-  if (Subtarget->isPICStyleGOT()) {
+  if (getTargetMachine().getRelocationModel() == Reloc::PIC_ &&
+      Subtarget->isPICStyleGOT()) {
     Chain = DAG.getCopyToReg(Chain, X86::EBX,
                              DAG.getNode(X86ISD::GlobalBaseReg, 
getPointerTy()),
                              InFlag);


Index: llvm/lib/Target/X86/X86Subtarget.cpp
diff -u llvm/lib/Target/X86/X86Subtarget.cpp:1.49 
llvm/lib/Target/X86/X86Subtarget.cpp:1.50
--- llvm/lib/Target/X86/X86Subtarget.cpp:1.49   Wed Jan 17 04:33:08 2007
+++ llvm/lib/Target/X86/X86Subtarget.cpp        Mon Jan 22 15:34:25 2007
@@ -40,7 +40,7 @@
       return (!isDirectCall &&
               (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
                (GV->isExternal() && !GV->hasNotBeenReadFromBytecode())));
-    } else if (isPICStyleGOT()) {
+    } else if (TM.getRelocationModel() == Reloc::PIC_ && isPICStyleGOT()) {
       // Extra load is needed for all non-statics.
       return (!isDirectCall &&
               (GV->isExternal() || !GV->hasInternalLinkage()));



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