[llvm-commits] [llvm] r166338 - in /llvm/trunk/lib/Target/Mips: Mips64InstrInfo.td MipsInstrInfo.td
Akira Hatanaka
ahatanaka at mips.com
Fri Oct 19 14:14:34 PDT 2012
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>;
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