Do not consider MMX_MOVD64rr a move instructions. The source register is in GR32...

[oota-llvm.git] / lib / Target / PowerPC / PPCTargetAsmInfo.cpp

diff --git a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
index 8728def217c7c564051d7d4537fa43a4f0ec0c30..c69e591a6632d81eab00925033c17dc3e1e22c74 100644 (file)
--- a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
+++ b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
@@ -14,35 +14,22 @@
 #include "PPCTargetAsmInfo.h"
 #include "PPCTargetMachine.h"
 #include "llvm/Function.h"
-using namespace llvm;
+#include "llvm/Support/Dwarf.h"
 
-PPCTargetAsmInfo::PPCTargetAsmInfo(const PPCTargetMachine &TM) {
-  bool isPPC64 = TM.getSubtargetImpl()->isPPC64();
-  
-  ZeroDirective = "\t.space\t";
-  SetDirective = "\t.set";
-  Data64bitsDirective = isPPC64 ? "\t.quad\t" : 0;  
-  AlignmentIsInBytes = false;
-  LCOMMDirective = "\t.lcomm\t";
-  InlineAsmStart = "# InlineAsm Start";
-  InlineAsmEnd = "# InlineAsm End";
-  AssemblerDialect = TM.getSubtargetImpl()->getAsmFlavor();
-  
-}
+using namespace llvm;
+using namespace llvm::dwarf;
 
-DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM)
-: PPCTargetAsmInfo(TM)
-{
+PPCDarwinTargetAsmInfo::PPCDarwinTargetAsmInfo(const PPCTargetMachine &TM):
+  PPCTargetAsmInfo<DarwinTargetAsmInfo>(TM) {
   PCSymbol = ".";
   CommentString = ";";
   GlobalPrefix = "_";
   PrivateGlobalPrefix = "L";
+  LessPrivateGlobalPrefix = "l";
+  StringConstantPrefix = "\1LC";
   ConstantPoolSection = "\t.const\t";
   JumpTableDataSection = ".const";
   CStringSection = "\t.cstring";
-  FourByteConstantSection = "\t.literal4\n";
-  EightByteConstantSection = "\t.literal8\n";
-  ReadOnlySection = "\t.const\n";
   if (TM.getRelocationModel() == Reloc::Static) {
     StaticCtorsSection = ".constructor";
     StaticDtorsSection = ".destructor";
@@ -50,6 +37,7 @@ DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM)
     StaticCtorsSection = ".mod_init_func";
     StaticDtorsSection = ".mod_term_func";
   }
+  HasSingleParameterDotFile = false;
   SwitchToSectionDirective = "\t.section ";
   UsedDirective = "\t.no_dead_strip\t";
   WeakDefDirective = "\t.weak_definition ";
@@ -86,21 +74,50 @@ DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM)
   }
 }
 
-LinuxTargetAsmInfo::LinuxTargetAsmInfo(const PPCTargetMachine &TM)
-: PPCTargetAsmInfo(TM)
+/// PreferredEHDataFormat - This hook allows the target to select data
+/// format used for encoding pointers in exception handling data. Reason is
+/// 0 for data, 1 for code labels, 2 for function pointers. Global is true
+/// if the symbol can be relocated.
+unsigned
+PPCDarwinTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
+                                              bool Global) const {
+  if (Reason == DwarfEncoding::Functions && Global)
+    return (DW_EH_PE_pcrel | DW_EH_PE_indirect | DW_EH_PE_sdata4);
+  else if (Reason == DwarfEncoding::CodeLabels || !Global)
+    return DW_EH_PE_pcrel;
+  else
+    return DW_EH_PE_absptr;
+}
+
+const char *
+PPCDarwinTargetAsmInfo::getEHGlobalPrefix() const
 {
+  const PPCSubtarget* Subtarget = &TM.getSubtarget<PPCSubtarget>();
+  if (Subtarget->getDarwinVers() > 9)
+    return PrivateGlobalPrefix;
+  else
+    return "";
+}
+
+PPCLinuxTargetAsmInfo::PPCLinuxTargetAsmInfo(const PPCTargetMachine &TM) :
+  PPCTargetAsmInfo<ELFTargetAsmInfo>(TM) {
   CommentString = "#";
   GlobalPrefix = "";
-  PrivateGlobalPrefix = "";
+  PrivateGlobalPrefix = ".L";
   ConstantPoolSection = "\t.section .rodata.cst4\t";
   JumpTableDataSection = ".section .rodata.cst4";
-  CStringSection = "\t.section\t.rodata";
+  CStringSection = ".rodata.str";
   StaticCtorsSection = ".section\t.ctors,\"aw\",@progbits";
   StaticDtorsSection = ".section\t.dtors,\"aw\",@progbits";
   UsedDirective = "\t# .no_dead_strip\t";
   WeakRefDirective = "\t.weak\t";
   BSSSection = "\t.section\t\".sbss\",\"aw\",@nobits";
 
+  // PPC/Linux normally uses named section for BSS.
+  BSSSection_  = getNamedSection("\t.bss",
+                                 SectionFlags::Writeable | SectionFlags::BSS,
+                                 /* Override */ true);
+
   // Debug Information
   AbsoluteDebugSectionOffsets = true;
   SupportsDebugInformation = true;
@@ -116,10 +133,6 @@ LinuxTargetAsmInfo::LinuxTargetAsmInfo(const PPCTargetMachine &TM)
   DwarfRangesSection =  "\t.section\t.debug_ranges,\"\",@progbits";
   DwarfMacInfoSection = "\t.section\t.debug_macinfo,\"\",@progbits";
 
-  ReadOnlySection = "\t.section\t.rodata";
-  FourByteConstantSection = "\t.section\t.rodata.cst4,\"aM\",@progbits,4";
-  EightByteConstantSection = "\t.section\t.rodata.cst8,\"aM\",@progbits,8";
-  SixteenByteConstantSection = "\t.section\t.rodata.cst16,\"aM\",@progbits,16";
   PCSymbol = ".";
 
   // Set up DWARF directives
@@ -132,3 +145,17 @@ LinuxTargetAsmInfo::LinuxTargetAsmInfo(const PPCTargetMachine &TM)
   DwarfEHFrameSection = "\t.section\t.eh_frame,\"aw\",@progbits";
   DwarfExceptionSection = "\t.section\t.gcc_except_table,\"a\",@progbits";
 }
+
+/// PreferredEHDataFormat - This hook allows the target to select data
+/// format used for encoding pointers in exception handling data. Reason is
+/// 0 for data, 1 for code labels, 2 for function pointers. Global is true
+/// if the symbol can be relocated.
+unsigned
+PPCLinuxTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
+                                             bool Global) const {
+  // We really need to write something here.
+  return TargetAsmInfo::PreferredEHDataFormat(Reason, Global);
+}
+
+// Instantiate default implementation.
+TEMPLATE_INSTANTIATION(class PPCTargetAsmInfo<TargetAsmInfo>);