From a35f306740182bd02191f573983dbea0a0036ecd Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 16 Jun 2006 17:34:12 +0000
Subject: [PATCH] Rename some subtarget features.  A CPU now can *have* 64-bit
 instructions, can in 32-bit mode we can choose to optionally *use* 64-bit
 registers.

llvm-svn: 28824
---
 llvm/lib/Target/PowerPC/PPC.td              | 6 +++---
 llvm/lib/Target/PowerPC/PPCISelLowering.cpp | 6 +++---
 llvm/lib/Target/PowerPC/PPCSubtarget.cpp    | 4 ++--
 llvm/lib/Target/PowerPC/PPCSubtarget.h      | 8 ++++----
 4 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/llvm/lib/Target/PowerPC/PPC.td b/llvm/lib/Target/PowerPC/PPC.td
index bc4f3e74e83a..6d23657512bd 100644
--- a/llvm/lib/Target/PowerPC/PPC.td
+++ b/llvm/lib/Target/PowerPC/PPC.td
@@ -19,10 +19,10 @@ include "../Target.td"
 // PowerPC Subtarget features.
 //
  
-def Feature64Bit     : SubtargetFeature<"64bit","Is64Bit", "true",
+def Feature64Bit     : SubtargetFeature<"64bit","Has64BitSupport", "true",
                                         "Enable 64-bit instructions">;
-def Feature64BitRegs : SubtargetFeature<"64bitregs","Has64BitRegs", "true",
-                                        "Enable 64-bit registers [beta]">;
+def Feature64BitRegs : SubtargetFeature<"64bitregs","Use64BitRegs", "true",
+                              "Enable 64-bit registers usage for ppc32 [beta]">;
 def FeatureAltivec   : SubtargetFeature<"altivec","HasAltivec", "true",
                                         "Enable Altivec instructions">;
 def FeatureGPUL      : SubtargetFeature<"gpul","IsGigaProcessor", "true",
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index a0142b165b47..ff42fa0212e1 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -146,7 +146,7 @@ PPCTargetLowering::PPCTargetLowering(TargetMachine &TM)
   // We want to custom lower some of our intrinsics.
   setOperationAction(ISD::INTRINSIC_WO_CHAIN, MVT::Other, Custom);
   
-  if (TM.getSubtarget<PPCSubtarget>().is64Bit()) {
+  if (TM.getSubtarget<PPCSubtarget>().has64BitSupport()) {
     // They also have instructions for converting between i64 and fp.
     setOperationAction(ISD::FP_TO_SINT, MVT::i64, Custom);
     setOperationAction(ISD::SINT_TO_FP, MVT::i64, Custom);
@@ -163,7 +163,7 @@ PPCTargetLowering::PPCTargetLowering(TargetMachine &TM)
     setOperationAction(ISD::FP_TO_UINT, MVT::i32, Expand);
   }
 
-  if (TM.getSubtarget<PPCSubtarget>().has64BitRegs()) {
+  if (TM.getSubtarget<PPCSubtarget>().use64BitRegs()) {
     // 64 bit PowerPC implementations can support i64 types directly
     addRegisterClass(MVT::i64, PPC::G8RCRegisterClass);
     // BUILD_PAIR can't be handled natively, and should be expanded to shl/or
@@ -2227,7 +2227,7 @@ SDOperand PPCTargetLowering::PerformDAGCombine(SDNode *N,
   switch (N->getOpcode()) {
   default: break;
   case ISD::SINT_TO_FP:
-    if (TM.getSubtarget<PPCSubtarget>().is64Bit()) {
+    if (TM.getSubtarget<PPCSubtarget>().has64BitSupport()) {
       if (N->getOperand(0).getOpcode() == ISD::FP_TO_SINT) {
         // Turn (sint_to_fp (fp_to_sint X)) -> fctidz/fcfid without load/stores.
         // We allow the src/dst to be either f32/f64, but the intermediate
diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
index 607771b2ca46..b228ba7a9cad 100644
--- a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
+++ b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -73,8 +73,8 @@ PPCSubtarget::PPCSubtarget(const Module &M, const std::string &FS, bool is64Bit)
   : StackAlignment(16)
   , InstrItins()
   , IsGigaProcessor(false)
-  , Is64Bit(false)
-  , Has64BitRegs(false)
+  , Has64BitSupport(false)
+  , Use64BitRegs(false)
   , HasAltivec(false)
   , HasFSQRT(false)
   , HasSTFIWX(false)
diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.h b/llvm/lib/Target/PowerPC/PPCSubtarget.h
index c98291e16207..e898a048c6cf 100644
--- a/llvm/lib/Target/PowerPC/PPCSubtarget.h
+++ b/llvm/lib/Target/PowerPC/PPCSubtarget.h
@@ -33,8 +33,8 @@ protected:
 
   /// Used by the ISel to turn in optimizations for POWER4-derived architectures
   bool IsGigaProcessor;
-  bool Is64Bit;
-  bool Has64BitRegs;
+  bool Has64BitSupport;
+  bool Use64BitRegs;
   bool HasAltivec;
   bool HasFSQRT;
   bool HasSTFIWX;
@@ -66,12 +66,12 @@ public:
 
   bool hasFSQRT() const { return HasFSQRT; }
   bool hasSTFIWX() const { return HasSTFIWX; }
-  bool has64BitRegs() const { return Has64BitRegs; }
+  bool use64BitRegs() const { return Use64BitRegs; }
   bool hasAltivec() const { return HasAltivec; }
   
   bool isAIX() const { return IsAIX; }
   bool isDarwin() const { return IsDarwin; }
-  bool is64Bit() const { return Is64Bit; }
+  bool has64BitSupport() const { return Has64BitSupport; }
   bool isGigaProcessor() const { return IsGigaProcessor; }
 };
 } // End llvm namespace