apply some tblgen majik to simplify the X register definitions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23805 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PowerPC/PPCRegisterInfo.td b/lib/Target/PowerPC/PPCRegisterInfo.td
index bbc6a4c0bcff3fff4c2212a749357dc405176ead..2ddbb7c92d33f7caed4d5942923dfe8d5b29e7af 100644 (file)
--- a/lib/Target/PowerPC/PPCRegisterInfo.td
+++ b/lib/Target/PowerPC/PPCRegisterInfo.td
@@ -22,10 +22,10 @@ class GPR<bits<5> num, string n> : PPCReg<n> {
 }
 
 // GP8 - One of the 32 64-bit general-purpose registers
-class GP8<bits<5> num, string n, Register Alias> : PPCReg<n> {
-  field bits<5> Num = num;
+class GP8<GPR Alias> : PPCReg<Alias.Name> {
+  field bits<5> Num = Alias.Num;
   let Aliases = [Alias];
-}   
+}
 
 // SPR - One of the 32-bit special-purpose registers
 class SPR<bits<5> num, string n> : PPCReg<n> {
@@ -61,22 +61,22 @@ def R28 : GPR<28, "r28">;  def R29 : GPR<29, "r29">;
 def R30 : GPR<30, "r30">;  def R31 : GPR<31, "r31">;
 
 // 64-bit General-purpose registers
-def X0  : GP8< 0,  "r0",  R0>;  def X1  : GP8< 1,  "r1",  R1>;
-def X2  : GP8< 2,  "r2",  R2>;  def X3  : GP8< 3,  "r3",  R3>;
-def X4  : GP8< 4,  "r4",  R4>;  def X5  : GP8< 5,  "r5",  R5>;
-def X6  : GP8< 6,  "r6",  R6>;  def X7  : GP8< 7,  "r7",  R7>;
-def X8  : GP8< 8,  "r8",  R8>;  def X9  : GP8< 9,  "r9",  R9>;
-def X10 : GP8<10, "r10", R10>;  def X11 : GP8<11, "r11", R11>;
-def X12 : GP8<12, "r12", R12>;  def X13 : GP8<13, "r13", R13>;
-def X14 : GP8<14, "r14", R14>;  def X15 : GP8<15, "r15", R15>;
-def X16 : GP8<16, "r16", R16>;  def X17 : GP8<17, "r17", R17>;
-def X18 : GP8<18, "r18", R18>;  def X19 : GP8<19, "r19", R19>;
-def X20 : GP8<20, "r20", R20>;  def X21 : GP8<21, "r21", R21>;
-def X22 : GP8<22, "r22", R22>;  def X23 : GP8<23, "r23", R23>;
-def X24 : GP8<24, "r24", R24>;  def X25 : GP8<25, "r25", R25>;
-def X26 : GP8<26, "r26", R26>;  def X27 : GP8<27, "r27", R27>;
-def X28 : GP8<28, "r28", R28>;  def X29 : GP8<29, "r29", R29>;
-def X30 : GP8<30, "r30", R30>;  def X31 : GP8<31, "r31", R31>;
+def X0  : GP8< R0>;  def X1  : GP8< R1>;
+def X2  : GP8< R2>;  def X3  : GP8< R3>;
+def X4  : GP8< R4>;  def X5  : GP8< R5>;
+def X6  : GP8< R6>;  def X7  : GP8< R7>;
+def X8  : GP8< R8>;  def X9  : GP8< R9>;
+def X10 : GP8<R10>;  def X11 : GP8<R11>;
+def X12 : GP8<R12>;  def X13 : GP8<R13>;
+def X14 : GP8<R14>;  def X15 : GP8<R15>;
+def X16 : GP8<R16>;  def X17 : GP8<R17>;
+def X18 : GP8<R18>;  def X19 : GP8<R19>;
+def X20 : GP8<R20>;  def X21 : GP8<R21>;
+def X22 : GP8<R22>;  def X23 : GP8<R23>;
+def X24 : GP8<R24>;  def X25 : GP8<R25>;
+def X26 : GP8<R26>;  def X27 : GP8<R27>;
+def X28 : GP8<R28>;  def X29 : GP8<R29>;
+def X30 : GP8<R30>;  def X31 : GP8<R31>;
 
 // Floating-point registers
 def F0  : FPR< 0,  "f0">;  def F1  : FPR< 1,  "f1">;