[llvm-commits] CVS: llvm/utils/TableGen/RegisterInfoEmitter.cpp

[Evan Cheng]

Changes in directory llvm/utils/TableGen:

RegisterInfoEmitter.cpp updated: 1.57 -> 1.58
---
Log message:

Add immediate sub-registers.

---
Diffs of the changes:  (+21 -0)

 RegisterInfoEmitter.cpp |   21 +++++++++++++++++++++
 1 files changed, 21 insertions(+)


Index: llvm/utils/TableGen/RegisterInfoEmitter.cpp
diff -u llvm/utils/TableGen/RegisterInfoEmitter.cpp:1.57 llvm/utils/TableGen/RegisterInfoEmitter.cpp:1.58
--- llvm/utils/TableGen/RegisterInfoEmitter.cpp:1.57	Wed Jun 13 17:20:15 2007
+++ llvm/utils/TableGen/RegisterInfoEmitter.cpp	Tue Jun 26 15:54:46 2007
@@ -359,6 +359,7 @@
   OS << "  };\n";
 
   // Emit register sub-registers / super-registers, aliases...
+  std::map<Record*, std::set<Record*> > RegisterImmSubRegs;
   std::map<Record*, std::set<Record*> > RegisterSubRegs;
   std::map<Record*, std::set<Record*> > RegisterSuperRegs;
   std::map<Record*, std::set<Record*> > RegisterAliases;
@@ -397,6 +398,7 @@
         cerr << "Warning: register " << getQualifiedName(SubReg)
              << " specified as a sub-register of " << getQualifiedName(R)
              << " multiple times!\n";
+      RegisterImmSubRegs[R].insert(SubReg);
       addSubSuperReg(R, SubReg, RegisterSubRegs, RegisterSuperRegs,
                      RegisterAliases, *this);
     }
@@ -434,6 +436,21 @@
     OS << "0 };\n";
   }
 
+  if (!RegisterImmSubRegs.empty())
+    OS << "\n\n  // Register Immediate Sub-registers Sets...\n";
+
+  // Loop over all of the registers which have sub-registers, emitting the
+  // sub-registers list to memory.
+  for (std::map<Record*, std::set<Record*> >::iterator
+         I = RegisterImmSubRegs.begin(), E = RegisterImmSubRegs.end();
+       I != E; ++I) {
+    OS << "  const unsigned " << I->first->getName() << "_ImmSubRegsSet[] = { ";
+    for (std::set<Record*>::iterator ASI = I->second.begin(),
+           E = I->second.end(); ASI != E; ++ASI)
+      OS << getQualifiedName(*ASI) << ", ";
+    OS << "0 };\n";
+  }
+
   if (!RegisterSuperRegs.empty())
     OS << "\n\n  // Register Super-registers Sets...\n";
 
@@ -472,6 +489,10 @@
       OS << Reg.getName() << "_SubRegsSet,\t";
     else
       OS << "Empty_SubRegsSet,\t";
+    if (RegisterImmSubRegs.count(Reg.TheDef))
+      OS << Reg.getName() << "_ImmSubRegsSet,\t";
+    else
+      OS << "Empty_SubRegsSet,\t";
     if (RegisterSuperRegs.count(Reg.TheDef))
       OS << Reg.getName() << "_SuperRegsSet },\n";
     else