Changes to make this work with Jason's patch. I checked this by hand, but

would appreciate if others would also look at this to make sure I didn't
botch something obvious


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16312 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 50 insertions, 48 deletions

diff --git a/lib/Target/Sparc/SparcRegisterInfo.td b/lib/Target/Sparc/SparcRegisterInfo.td
index 9c3d355..dcf8360 100644
--- a/lib/Target/Sparc/SparcRegisterInfo.td
+++ b/lib/Target/Sparc/SparcRegisterInfo.td
@@ -13,57 +13,77 @@
 
 // Registers are identified with 5-bit ID numbers.
 // Ri - 32-bit integer registers
-class Ri<bits<5> num> : Register {
+class Ri<bits<5> num, string name> : Register<name> {
   field bits<5> Num = num;
 }
 // Rf - 32-bit floating-point registers
-class Rf<bits<5> num> : Register {
+class Rf<bits<5> num, string name> : Register<name> {
   field bits<5> Num = num;
 }
 // Rd - Slots in the FP register file for 64-bit floating-point values.
-class Rd<bits<5> num, string realName> : Register {
+class Rd<bits<5> num, string name, list<Register> aliases>
+  : RegisterGroup<name, aliases> {
   field bits<5> Num = num;
-  let Name = realName;
 }
 // Rs - Special "ancillary state registers" registers, like the Y, ASR, PSR,
 // WIM, TBR, etc registers
-class Rs<bits<5> num> : Register {
+class Rs<bits<5> num, string name> : Register<name> {
   field bits<5> Num = num;
 }
 
 let Namespace = "V8" in {
-  def G0 : Ri< 0>;    def G1 : Ri< 1>;    def G2 : Ri< 2>;    def G3 : Ri< 3>;
-  def G4 : Ri< 4>;    def G5 : Ri< 5>;    def G6 : Ri< 6>;    def G7 : Ri< 7>;
-  def O0 : Ri< 8>;    def O1 : Ri< 9>;    def O2 : Ri<10>;    def O3 : Ri<11>;
-  def O4 : Ri<12>;    def O5 : Ri<13>;    def O6 : Ri<14>;    def O7 : Ri<15>;
-  def L0 : Ri<16>;    def L1 : Ri<17>;    def L2 : Ri<18>;    def L3 : Ri<19>;
-  def L4 : Ri<20>;    def L5 : Ri<21>;    def L6 : Ri<22>;    def L7 : Ri<23>;
-  def I0 : Ri<24>;    def I1 : Ri<25>;    def I2 : Ri<26>;    def I3 : Ri<27>;
-  def I4 : Ri<28>;    def I5 : Ri<29>;    def I6 : Ri<30>;    def I7 : Ri<31>;
+  def G0 : Ri< 0, "G0">;    def G1 : Ri< 1, "G1">;
+  def G2 : Ri< 2, "G2">;    def G3 : Ri< 3, "G3">;
+  def G4 : Ri< 4, "G4">;    def G5 : Ri< 5, "G5">;
+  def G6 : Ri< 6, "G6">;    def G7 : Ri< 7, "G7">;
+  def O0 : Ri< 8, "O0">;    def O1 : Ri< 9, "G1">;
+  def O2 : Ri<10, "O2">;    def O3 : Ri<11, "O3">;
+  def O4 : Ri<12, "O4">;    def O5 : Ri<13, "O5">;
+  def O6 : Ri<14, "O6">;    def O7 : Ri<15, "O7">;
+  def L0 : Ri<16, "L0">;    def L1 : Ri<17, "L1">;
+  def L2 : Ri<18, "L2">;    def L3 : Ri<19, "L3">;
+  def L4 : Ri<20, "L4">;    def L5 : Ri<21, "L5">;
+  def L6 : Ri<22, "L6">;    def L7 : Ri<23, "L7">;
+  def I0 : Ri<24, "I0">;    def I1 : Ri<25, "I1">;
+  def I2 : Ri<26, "I2">;    def I3 : Ri<27, "I3">;
+  def I4 : Ri<28, "I4">;    def I5 : Ri<29, "I5">;
+  def I6 : Ri<30, "I6">;    def I7 : Ri<31, "I7">;
 
   // Standard register aliases.
-  def SP : Ri<14>;    def FP : Ri<30>;
+  def SP : Ri<14, "SP">;    def FP : Ri<30, "FP">;
 
   // Floating-point registers:
-  def F0  : Rf< 0>; def F1  : Rf< 1>; def F2  : Rf< 2>; def F3  : Rf< 3>;
-  def F4  : Rf< 4>; def F5  : Rf< 5>; def F6  : Rf< 6>; def F7  : Rf< 7>;
-  def F8  : Rf< 8>; def F9  : Rf< 9>; def F10 : Rf<10>; def F11 : Rf<11>;
-  def F12 : Rf<12>; def F13 : Rf<13>; def F14 : Rf<14>; def F15 : Rf<15>;
-  def F16 : Rf<16>; def F17 : Rf<17>; def F18 : Rf<18>; def F19 : Rf<19>;
-  def F20 : Rf<20>; def F21 : Rf<21>; def F22 : Rf<22>; def F23 : Rf<23>;
-  def F24 : Rf<24>; def F25 : Rf<25>; def F26 : Rf<26>; def F27 : Rf<27>;
-  def F28 : Rf<28>; def F29 : Rf<29>; def F30 : Rf<30>; def F31 : Rf<31>;
+  def F0  : Rf< 0, "F0" >; def F1  : Rf< 1, "F1" >;
+  def F2  : Rf< 2, "F2" >; def F3  : Rf< 3, "F3" >;
+  def F4  : Rf< 4, "F4" >; def F5  : Rf< 5, "F5" >;
+  def F6  : Rf< 6, "F6" >; def F7  : Rf< 7, "F7" >;
+  def F8  : Rf< 8, "F8" >; def F9  : Rf< 9, "F9" >;
+  def F10 : Rf<10, "F10">; def F11 : Rf<11, "F11">;
+  def F12 : Rf<12, "F12">; def F13 : Rf<13, "F13">;
+  def F14 : Rf<14, "F14">; def F15 : Rf<15, "F15">;
+  def F16 : Rf<16, "F16">; def F17 : Rf<17, "F17">;
+  def F18 : Rf<18, "F18">; def F19 : Rf<19, "F19">;
+  def F20 : Rf<20, "F20">; def F21 : Rf<21, "F21">;
+  def F22 : Rf<22, "F22">; def F23 : Rf<23, "F23">;
+  def F24 : Rf<24, "F24">; def F25 : Rf<25, "F25">;
+  def F26 : Rf<26, "F26">; def F27 : Rf<27, "F27">;
+  def F28 : Rf<28, "F28">; def F29 : Rf<29, "F29">;
+  def F30 : Rf<30, "F30">; def F31 : Rf<31, "F31">;
 
-  // Aliases of the F* registers used to hold 64-bit fp values (doubles).
-  def D0  : Rd< 0,  "F0">; def D1  : Rd< 2,  "F2">; def D2  : Rd< 4,  "F4">;
-  def D3  : Rd< 6,  "F6">; def D4  : Rd< 8,  "F8">; def D5  : Rd<10, "F10">;
-  def D6  : Rd<12, "F12">; def D7  : Rd<14, "F14">; def D8  : Rd<16, "F16">;
-  def D9  : Rd<18, "F18">; def D10 : Rd<20, "F20">; def D11 : Rd<22, "F22">;
-  def D12 : Rd<24, "F24">; def D13 : Rd<26, "F26">; def D14 : Rd<28, "F28">;
-  def D15 : Rd<30, "F30">;
+  // Aliases of the F* registers used to hold 64-bit fp values (doubles).  Make
+  // sure to tell the register file generator that the double-fp
+  // pseudo-registers alias the registers used for single-fp values.
+  def D0  : Rd< 0,  "F0", [ F0, F1]>;  def D1  : Rd< 2,  "F2", [ F2, F3]>;
+  def D2  : Rd< 4,  "F4", [ F4, F5]>;  def D3  : Rd< 6,  "F6", [ F6, F7]>;
+  def D4  : Rd< 8,  "F8", [ F8, F9]>;  def D5  : Rd<10, "F10", [F10,F11]>;
+  def D6  : Rd<12, "F12", [F12,F13]>;  def D7  : Rd<14, "F14", [F14,F15]>;
+  def D8  : Rd<16, "F16", [F16,F17]>;  def D9  : Rd<18, "F18", [F18,F19]>;
+  def D10 : Rd<20, "F20", [F20,F21]>;  def D11 : Rd<22, "F22", [F22,F23]>;
+  def D12 : Rd<24, "F24", [F24,F25]>;  def D13 : Rd<26, "F26", [F26,F27]>;
+  def D14 : Rd<28, "F28", [F28,F29]>;  def D15 : Rd<30, "F30", [F30,F31]>;
 
   // The Y register.
-  def Y   : Rs<0>;
+  def Y   : Rs<0, "Y">;
 }
 
 // Register classes.
@@ -91,21 +111,3 @@ def FPRegs : RegisterClass<f32, 32, [F0, F1, F2, F3, F4, F5, F6, F7, F8,
 def DFPRegs : RegisterClass<f64, 64, [D0, D1, D2, D3, D4, D5, D6, D7,
   D8, D9, D10, D11, D12, D13, D14, D15]>;
 
-// Tell the register file generator that the double-fp pseudo-registers
-// alias the registers used for single-fp values.
-def : RegisterAliases<D0, [F0, F1]>;
-def : RegisterAliases<D1, [F2, F3]>;
-def : RegisterAliases<D2, [F4, F5]>;
-def : RegisterAliases<D3, [F6, F7]>;
-def : RegisterAliases<D4, [F8, F9]>;
-def : RegisterAliases<D5, [F10, F11]>;
-def : RegisterAliases<D6, [F12, F13]>;
-def : RegisterAliases<D7, [F14, F15]>;
-def : RegisterAliases<D8, [F16, F17]>;
-def : RegisterAliases<D9, [F18, F19]>;
-def : RegisterAliases<D10, [F20, F21]>;
-def : RegisterAliases<D11, [F22, F23]>;
-def : RegisterAliases<D12, [F24, F25]>;
-def : RegisterAliases<D13, [F26, F27]>;
-def : RegisterAliases<D14, [F28, F29]>;
-def : RegisterAliases<D15, [F30, F31]>;