Teach the MBlaze asm parser how to parse special purpose register names.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122261 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 87 insertions, 32 deletions

diff --git a/lib/Target/MBlaze/MBlazeRegisterInfo.cpp b/lib/Target/MBlaze/MBlazeRegisterInfo.cpp
index 45da9eadfe..2e1bd974bf 100644
--- a/lib/Target/MBlaze/MBlazeRegisterInfo.cpp
+++ b/lib/Target/MBlaze/MBlazeRegisterInfo.cpp
@@ -48,38 +48,62 @@ MBlazeRegisterInfo(const MBlazeSubtarget &ST, const TargetInstrInfo &tii)
 /// MBlaze::R0, return the number that it corresponds to (e.g. 0).
 unsigned MBlazeRegisterInfo::getRegisterNumbering(unsigned RegEnum) {
   switch (RegEnum) {
-    case MBlaze::R0  : return 0;
-    case MBlaze::R1  : return 1;
-    case MBlaze::R2  : return 2;
-    case MBlaze::R3  : return 3;
-    case MBlaze::R4  : return 4;
-    case MBlaze::R5  : return 5;
-    case MBlaze::R6  : return 6;
-    case MBlaze::R7  : return 7;
-    case MBlaze::R8  : return 8;
-    case MBlaze::R9  : return 9;
-    case MBlaze::R10 : return 10;
-    case MBlaze::R11 : return 11;
-    case MBlaze::R12 : return 12;
-    case MBlaze::R13 : return 13;
-    case MBlaze::R14 : return 14;
-    case MBlaze::R15 : return 15;
-    case MBlaze::R16 : return 16;
-    case MBlaze::R17 : return 17;
-    case MBlaze::R18 : return 18;
-    case MBlaze::R19 : return 19;
-    case MBlaze::R20 : return 20;
-    case MBlaze::R21 : return 21;
-    case MBlaze::R22 : return 22;
-    case MBlaze::R23 : return 23;
-    case MBlaze::R24 : return 24;
-    case MBlaze::R25 : return 25;
-    case MBlaze::R26 : return 26;
-    case MBlaze::R27 : return 27;
-    case MBlaze::R28 : return 28;
-    case MBlaze::R29 : return 29;
-    case MBlaze::R30 : return 30;
-    case MBlaze::R31 : return 31;
+    case MBlaze::R0     : return 0;
+    case MBlaze::R1     : return 1;
+    case MBlaze::R2     : return 2;
+    case MBlaze::R3     : return 3;
+    case MBlaze::R4     : return 4;
+    case MBlaze::R5     : return 5;
+    case MBlaze::R6     : return 6;
+    case MBlaze::R7     : return 7;
+    case MBlaze::R8     : return 8;
+    case MBlaze::R9     : return 9;
+    case MBlaze::R10    : return 10;
+    case MBlaze::R11    : return 11;
+    case MBlaze::R12    : return 12;
+    case MBlaze::R13    : return 13;
+    case MBlaze::R14    : return 14;
+    case MBlaze::R15    : return 15;
+    case MBlaze::R16    : return 16;
+    case MBlaze::R17    : return 17;
+    case MBlaze::R18    : return 18;
+    case MBlaze::R19    : return 19;
+    case MBlaze::R20    : return 20;
+    case MBlaze::R21    : return 21;
+    case MBlaze::R22    : return 22;
+    case MBlaze::R23    : return 23;
+    case MBlaze::R24    : return 24;
+    case MBlaze::R25    : return 25;
+    case MBlaze::R26    : return 26;
+    case MBlaze::R27    : return 27;
+    case MBlaze::R28    : return 28;
+    case MBlaze::R29    : return 29;
+    case MBlaze::R30    : return 30;
+    case MBlaze::R31    : return 31;
+    case MBlaze::RPC    : return 0x0000;
+    case MBlaze::RMSR   : return 0x0001;
+    case MBlaze::REAR   : return 0x0003;
+    case MBlaze::RESR   : return 0x0005;
+    case MBlaze::RFSR   : return 0x0007;
+    case MBlaze::RBTR   : return 0x000B;
+    case MBlaze::REDR   : return 0x000D;
+    case MBlaze::RPID   : return 0x1000;
+    case MBlaze::RZPR   : return 0x1001;
+    case MBlaze::RTLBX  : return 0x1002;
+    case MBlaze::RTLBLO : return 0x1003;
+    case MBlaze::RTLBHI : return 0x1004;
+    case MBlaze::RPVR0  : return 0x2000;
+    case MBlaze::RPVR1  : return 0x2001;
+    case MBlaze::RPVR2  : return 0x2002;
+    case MBlaze::RPVR3  : return 0x2003;
+    case MBlaze::RPVR4  : return 0x2004;
+    case MBlaze::RPVR5  : return 0x2005;
+    case MBlaze::RPVR6  : return 0x2006;
+    case MBlaze::RPVR7  : return 0x2007;
+    case MBlaze::RPVR8  : return 0x2008;
+    case MBlaze::RPVR9  : return 0x2009;
+    case MBlaze::RPVR10 : return 0x200A;
+    case MBlaze::RPVR11 : return 0x200B;
     default: llvm_unreachable("Unknown register number!");
   }
   return 0; // Not reached
@@ -126,6 +150,37 @@ unsigned MBlazeRegisterInfo::getRegisterFromNumbering(unsigned Reg) {
   return 0; // Not reached
 }
 
+unsigned MBlazeRegisterInfo::getSpecialRegisterFromNumbering(unsigned Reg) {
+  switch (Reg) {
+    case 0x0000 : return MBlaze::RPC;
+    case 0x0001 : return MBlaze::RMSR;
+    case 0x0003 : return MBlaze::REAR;
+    case 0x0005 : return MBlaze::RESR;
+    case 0x0007 : return MBlaze::RFSR;
+    case 0x000B : return MBlaze::RBTR;
+    case 0x000D : return MBlaze::REDR;
+    case 0x1000 : return MBlaze::RPID;
+    case 0x1001 : return MBlaze::RZPR;
+    case 0x1002 : return MBlaze::RTLBX;
+    case 0x1003 : return MBlaze::RTLBLO;
+    case 0x1004 : return MBlaze::RTLBHI;
+    case 0x2000 : return MBlaze::RPVR0;
+    case 0x2001 : return MBlaze::RPVR1;
+    case 0x2002 : return MBlaze::RPVR2;
+    case 0x2003 : return MBlaze::RPVR3;
+    case 0x2004 : return MBlaze::RPVR4;
+    case 0x2005 : return MBlaze::RPVR5;
+    case 0x2006 : return MBlaze::RPVR6;
+    case 0x2007 : return MBlaze::RPVR7;
+    case 0x2008 : return MBlaze::RPVR8;
+    case 0x2009 : return MBlaze::RPVR9;
+    case 0x200A : return MBlaze::RPVR10;
+    case 0x200B : return MBlaze::RPVR11;
+    default: llvm_unreachable("Unknown register number!");
+  }
+  return 0; // Not reached
+}
+
 unsigned MBlazeRegisterInfo::getPICCallReg() {
   return MBlaze::R20;
 }