[mips] Add assembler support for the "la $reg,symbol" pseudo-instruction.

[oota-llvm.git] / lib / Target / Mips / MipsRegisterInfo.td

diff --git a/lib/Target/Mips/MipsRegisterInfo.td b/lib/Target/Mips/MipsRegisterInfo.td
index 875a596eb4aadd7a644a6f32583e42431c4c114d..74dfa4fe7d9cd5cd51e08c0c6ceb46a4de3cd887 100644 (file)
--- a/lib/Target/Mips/MipsRegisterInfo.td
+++ b/lib/Target/Mips/MipsRegisterInfo.td
@@ -340,6 +340,15 @@ def AFGR64 : RegisterClass<"Mips", [f64], 64, (add
 
 def FGR64 : RegisterClass<"Mips", [f64], 64, (sequence "D%u_64", 0, 31)>;
 
+// Used to reserve odd registers when given -mattr=+nooddspreg
+// FIXME: Remove double precision registers from this set.
+def OddSP : RegisterClass<"Mips", [f32], 32,
+                          (add (decimate (sequence "F%u", 1, 31), 2),
+                               (decimate (sequence "F_HI%u", 1, 31), 2),
+                               (decimate (sequence "D%u", 1, 15), 2),
+                               (decimate (sequence "D%u_64", 1, 31), 2))>,
+            Unallocatable;
+
 // FP control registers.
 def CCR : RegisterClass<"Mips", [i32], 32, (sequence "FCR%u", 0, 31)>,
           Unallocatable;
@@ -348,6 +357,10 @@ def CCR : RegisterClass<"Mips", [i32], 32, (sequence "FCR%u", 0, 31)>,
 def FCC : RegisterClass<"Mips", [i32], 32, (sequence "FCC%u", 0, 7)>,
           Unallocatable;
 
+// MIPS32r6/MIPS64r6 store FPU condition codes in normal FGR registers.
+// This class allows us to represent this in codegen patterns.
+def FGRCC : RegisterClass<"Mips", [i32], 32, (sequence "F%u", 0, 31)>;
+
 def MSA128B: RegisterClass<"Mips", [v16i8], 128,
                            (sequence "W%u", 0, 31)>;
 def MSA128H: RegisterClass<"Mips", [v8i16, v8f16], 128,
@@ -512,6 +525,12 @@ def FGR32Opnd : RegisterOperand<FGR32> {
   let ParserMatchClass = FGR32AsmOperand;
 }
 
+def FGRCCOpnd : RegisterOperand<FGRCC> {
+  // The assembler doesn't use register classes so we can re-use
+  // FGR32AsmOperand.
+  let ParserMatchClass = FGR32AsmOperand;
+}
+
 def FGRH32Opnd : RegisterOperand<FGRH32> {
   let ParserMatchClass = FGRH32AsmOperand;
 }