[mips][microMIPS] Implement JALS and JALRS instructions.
Differential Revision: http://reviews.llvm.org/D5003
llvm-svn: 217676
diff --git a/llvm/lib/Target/Mips/MicroMipsInstrInfo.td b/llvm/lib/Target/Mips/MicroMipsInstrInfo.td
index 4ffa744..dbbf160 100644
--- a/llvm/lib/Target/Mips/MicroMipsInstrInfo.td
+++ b/llvm/lib/Target/Mips/MicroMipsInstrInfo.td
@@ -104,6 +104,19 @@
let Defs = [RA];
}
+// MicroMIPS Jump and Link (Call) - Short Delay Slot
+let isCall = 1, hasDelaySlot = 1, Defs = [RA] in {
+ class JumpLinkMM<string opstr, DAGOperand opnd> :
+ InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
+ [], IIBranch, FrmJ, opstr> {
+ let DecoderMethod = "DecodeJumpTargetMM";
+ }
+
+ class JumpLinkRegMM<string opstr, RegisterOperand RO>:
+ InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
+ [], IIBranch, FrmR>;
+}
+
def MFHI16_MM : MoveFromHILOMM<"mfhi", GPR32Opnd, AC0>, MFHILO_FM_MM16<0x10>;
def MFLO16_MM : MoveFromHILOMM<"mflo", GPR32Opnd, AC0>, MFHILO_FM_MM16<0x12>;
def MOVE16_MM : MoveMM16<"move", GPR32Opnd>, MOVE_FM_MM16<0x03>;
@@ -263,6 +276,10 @@
def JR_MM : MMRel, IndirectBranch<"jr", GPR32Opnd>, JR_FM_MM<0x3c>;
def JALR_MM : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM_MM<0x03c>;
+ /// Jump Instructions - Short Delay Slot
+ def JALS_MM : JumpLinkMM<"jals", calltarget_mm>, J_FM_MM<0x1d>;
+ def JALRS_MM : JumpLinkRegMM<"jalrs", GPR32Opnd>, JALR_FM_MM<0x13c>;
+
/// Branch Instructions
def BEQ_MM : MMRel, CBranch<"beq", brtarget_mm, seteq, GPR32Opnd>,
BEQ_FM_MM<0x25>;