diff options
Diffstat (limited to 'lib/Target/Mips/MipsInstrInfo.td')
| -rw-r--r-- | lib/Target/Mips/MipsInstrInfo.td | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/Target/Mips/MipsInstrInfo.td b/lib/Target/Mips/MipsInstrInfo.td index 7e33cb1..c85b547 100644 --- a/lib/Target/Mips/MipsInstrInfo.td +++ b/lib/Target/Mips/MipsInstrInfo.td @@ -565,9 +565,14 @@ let isCall=1, hasDelaySlot=1, Defs = [RA] in { let DecoderMethod = "DecodeJumpTarget"; } + class JumpLinkRegPseudo<RegisterClass RC, Instruction JALRInst, + Register RetReg>: + PseudoSE<(outs), (ins RC:$rs), [(MipsJmpLink RC:$rs)], IIBranch>, + PseudoInstExpansion<(JALRInst RetReg, RC:$rs)>; + class JumpLinkReg<string opstr, RegisterClass RC>: - InstSE<(outs), (ins RC:$rs), !strconcat(opstr, "\t$rs"), - [(MipsJmpLink RC:$rs)], IIBranch, FrmR>; + InstSE<(outs RC:$rd), (ins RC:$rs), !strconcat(opstr, "\t$rd, $rs"), + [], IIBranch, FrmR>; class BGEZAL_FT<string opstr, RegisterOperand RO> : InstSE<(outs), (ins RO:$rs, brtarget:$offset), @@ -865,6 +870,7 @@ def BAL_BR: BAL_FT, BAL_FM; def JAL : JumpLink<"jal">, FJ<3>; def JALR : JumpLinkReg<"jalr", CPURegs>, JALR_FM; +def JALRPseudo : JumpLinkRegPseudo<CPURegs, JALR, RA>; def BGEZAL : BGEZAL_FT<"bgezal", CPURegsOpnd>, BGEZAL_FM<0x11>; def BLTZAL : BGEZAL_FT<"bltzal", CPURegsOpnd>, BGEZAL_FM<0x10>; def TAILCALL : JumpFJ<calltarget, "j", MipsTailCall, imm>, FJ<2>, IsTailCall; @@ -972,6 +978,7 @@ def : InstAlias<"and $rs, $rt, $imm", (ANDi CPURegsOpnd:$rs, CPURegsOpnd:$rt, simm16:$imm), 0>; def : InstAlias<"j $rs", (JR CPURegs:$rs), 0>, Requires<[NotMips64]>; +def : InstAlias<"jalr $rs", (JALR RA, CPURegs:$rs)>, Requires<[NotMips64]>; def : InstAlias<"not $rt, $rs", (NOR CPURegsOpnd:$rt, CPURegsOpnd:$rs, ZERO), 1>; def : InstAlias<"neg $rt, $rs", |