diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/PowerPC/PPCAsmPrinter.cpp | 13 | ||||
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.td | 7 |
2 files changed, 18 insertions, 2 deletions
diff --git a/lib/Target/PowerPC/PPCAsmPrinter.cpp b/lib/Target/PowerPC/PPCAsmPrinter.cpp index 039bb4d..8cd87de 100644 --- a/lib/Target/PowerPC/PPCAsmPrinter.cpp +++ b/lib/Target/PowerPC/PPCAsmPrinter.cpp @@ -554,13 +554,22 @@ void PPCAsmPrinter::printPredicateOperand(const MachineInstr *MI, unsigned OpNo, /// void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) { if (UseInstPrinter) { + MCInst TmpInst; + // Lower multi-instruction pseudo operations. switch (MI->getOpcode()) { default: break; - // TODO: implement me. + + case PPC::MFCRpseud: + // Transform: %R3 = MFCRpseud %CR7 + // Into: %R3 = MFCR ;; cr7 + OutStreamer.AddComment(getRegisterName(MI->getOperand(1).getReg())); + TmpInst.setOpcode(PPC::MFCR); + TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); + OutStreamer.EmitInstruction(TmpInst); + return; } - MCInst TmpInst; LowerPPCMachineInstrToMCInst(MI, TmpInst, *this); OutStreamer.EmitInstruction(TmpInst); return; diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td index eb100ec..a6156c0 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.td +++ b/lib/Target/PowerPC/PPCInstrInfo.td @@ -1120,9 +1120,16 @@ def MTCRF : XFXForm_5<31, 144, (outs), (ins crbitm:$FXM, GPRC:$rS), // As it turns out, in all cases where we currently use this, // we're only interested in one subregister of it. Represent this in the // instruction to keep the register allocator from becoming confused. +// +// FIXME: Make this a real Pseudo instruction when the JIT switches to MC. def MFCRpseud: XFXForm_3<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM), "mfcr $rT ${:comment} $FXM", SprMFCR>, PPC970_MicroCode, PPC970_Unit_CRU; + +def MFCR : XFXForm_3<31, 19, (outs GPRC:$rT), (ins), + "mfcr $rT", SprMFCR>, + PPC970_MicroCode, PPC970_Unit_CRU; + def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM), "mfcr $rT, $FXM", SprMFCR>, PPC970_DGroup_First, PPC970_Unit_CRU; |