[llvm-commits] [llvm] r166338 - in /llvm/trunk/lib/Target/Mips: Mips64InstrInfo.td MipsInstrInfo.td

[Akira Hatanaka]

Author: ahatanak
Date: Fri Oct 19 16:14:34 2012
New Revision: 166338

URL: http://llvm.org/viewvc/llvm-project?rev=166338&view=rev
Log:
[mips] Add tail call instructions.

Modified:
    llvm/trunk/lib/Target/Mips/Mips64InstrInfo.td
    llvm/trunk/lib/Target/Mips/MipsInstrInfo.td

Modified: llvm/trunk/lib/Target/Mips/Mips64InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/Mips64InstrInfo.td?rev=166338&r1=166337&r2=166338&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/Mips64InstrInfo.td (original)
+++ llvm/trunk/lib/Target/Mips/Mips64InstrInfo.td Fri Oct 19 16:14:34 2012
@@ -177,6 +177,7 @@
 }
 let DecoderNamespace = "Mips64" in
 def JALR64 : JumpLinkReg<0x00, 0x09, "jalr", CPU64Regs>;
+def TAILCALL64_R : JumpFR<CPU64Regs, MipsTailCall>, IsTailCall;
 
 let DecoderNamespace = "Mips64" in {
 /// Multiply and Divide Instructions.

Modified: llvm/trunk/lib/Target/Mips/MipsInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsInstrInfo.td?rev=166338&r1=166337&r2=166338&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsInstrInfo.td (original)
+++ llvm/trunk/lib/Target/Mips/MipsInstrInfo.td Fri Oct 19 16:14:34 2012
@@ -191,6 +191,15 @@
   bit isCall = 1;
 }
 
+class IsTailCall {
+  bit isCall = 1;
+  bit isTerminator = 1;
+  bit isReturn = 1;
+  bit isBarrier = 1;
+  bit hasExtraSrcRegAllocReq = 1;
+  bit isCodeGenOnly = 1;
+}
+
 //===----------------------------------------------------------------------===//
 // Instruction format superclass
 //===----------------------------------------------------------------------===//
@@ -1013,6 +1022,8 @@
 def JALR : JumpLinkReg<0x00, 0x09, "jalr", CPURegs>;
 def BGEZAL  : BranchLink<"bgezal", 0x11, CPURegs>;
 def BLTZAL  : BranchLink<"bltzal", 0x10, CPURegs>;
+def TAILCALL : JumpFJ<0x02, "j", br>, IsTailCall;
+def TAILCALL_R : JumpFR<CPURegs, MipsTailCall>, IsTailCall;
 
 def RET : RetBase<CPURegs>;