diff options
Diffstat (limited to 'lib/Target/Hexagon/HexagonInstrInfo.cpp')
| -rw-r--r-- | lib/Target/Hexagon/HexagonInstrInfo.cpp | 1105 |
1 files changed, 432 insertions, 673 deletions
diff --git a/lib/Target/Hexagon/HexagonInstrInfo.cpp b/lib/Target/Hexagon/HexagonInstrInfo.cpp index 3b1ae098f8..4c0f93c6cd 100644 --- a/lib/Target/Hexagon/HexagonInstrInfo.cpp +++ b/lib/Target/Hexagon/HexagonInstrInfo.cpp @@ -305,6 +305,88 @@ unsigned HexagonInstrInfo::RemoveBranch(MachineBasicBlock &MBB) const { } +/// \brief For a comparison instruction, return the source registers in +/// \p SrcReg and \p SrcReg2 if having two register operands, and the value it +/// compares against in CmpValue. Return true if the comparison instruction +/// can be analyzed. +bool HexagonInstrInfo::analyzeCompare(const MachineInstr *MI, + unsigned &SrcReg, unsigned &SrcReg2, + int &Mask, int &Value) const { + unsigned Opc = MI->getOpcode(); + + // Set mask and the first source register. + switch (Opc) { + case Hexagon::CMPEHexagon4rr: + case Hexagon::CMPEQri: + case Hexagon::CMPEQrr: + case Hexagon::CMPGT64rr: + case Hexagon::CMPGTU64rr: + case Hexagon::CMPGTUri: + case Hexagon::CMPGTUrr: + case Hexagon::CMPGTri: + case Hexagon::CMPGTrr: + case Hexagon::CMPLTUrr: + case Hexagon::CMPLTrr: + SrcReg = MI->getOperand(1).getReg(); + Mask = ~0; + break; + case Hexagon::CMPbEQri_V4: + case Hexagon::CMPbEQrr_sbsb_V4: + case Hexagon::CMPbEQrr_ubub_V4: + case Hexagon::CMPbGTUri_V4: + case Hexagon::CMPbGTUrr_V4: + case Hexagon::CMPbGTrr_V4: + SrcReg = MI->getOperand(1).getReg(); + Mask = 0xFF; + break; + case Hexagon::CMPhEQri_V4: + case Hexagon::CMPhEQrr_shl_V4: + case Hexagon::CMPhEQrr_xor_V4: + case Hexagon::CMPhGTUri_V4: + case Hexagon::CMPhGTUrr_V4: + case Hexagon::CMPhGTrr_shl_V4: + SrcReg = MI->getOperand(1).getReg(); + Mask = 0xFFFF; + break; + } + + // Set the value/second source register. + switch (Opc) { + case Hexagon::CMPEHexagon4rr: + case Hexagon::CMPEQrr: + case Hexagon::CMPGT64rr: + case Hexagon::CMPGTU64rr: + case Hexagon::CMPGTUrr: + case Hexagon::CMPGTrr: + case Hexagon::CMPbEQrr_sbsb_V4: + case Hexagon::CMPbEQrr_ubub_V4: + case Hexagon::CMPbGTUrr_V4: + case Hexagon::CMPbGTrr_V4: + case Hexagon::CMPhEQrr_shl_V4: + case Hexagon::CMPhEQrr_xor_V4: + case Hexagon::CMPhGTUrr_V4: + case Hexagon::CMPhGTrr_shl_V4: + case Hexagon::CMPLTUrr: + case Hexagon::CMPLTrr: + SrcReg2 = MI->getOperand(2).getReg(); + return true; + + case Hexagon::CMPEQri: + case Hexagon::CMPGTUri: + case Hexagon::CMPGTri: + case Hexagon::CMPbEQri_V4: + case Hexagon::CMPbGTUri_V4: + case Hexagon::CMPhEQri_V4: + case Hexagon::CMPhGTUri_V4: + SrcReg2 = 0; + Value = MI->getOperand(2).getImm(); + return true; + } + + return false; +} + + void HexagonInstrInfo::copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, DebugLoc DL, unsigned DestReg, unsigned SrcReg, @@ -344,6 +426,18 @@ void HexagonInstrInfo::copyPhysReg(MachineBasicBlock &MBB, BuildMI(MBB, I, DL, get(Hexagon::TFCR), DestReg).addReg(SrcReg); return; } + if (Hexagon::PredRegsRegClass.contains(SrcReg) && + Hexagon::IntRegsRegClass.contains(DestReg)) { + BuildMI(MBB, I, DL, get(Hexagon::TFR_RsPd), DestReg). + addReg(SrcReg, getKillRegState(KillSrc)); + return; + } + if (Hexagon::IntRegsRegClass.contains(SrcReg) && + Hexagon::PredRegsRegClass.contains(DestReg)) { + BuildMI(MBB, I, DL, get(Hexagon::TFR_PdRs), DestReg). + addReg(SrcReg, getKillRegState(KillSrc)); + return; + } llvm_unreachable("Unimplemented"); } @@ -463,270 +557,43 @@ unsigned HexagonInstrInfo::createVR(MachineFunction* MF, MVT VT) const { } bool HexagonInstrInfo::isExtendable(const MachineInstr *MI) const { - switch(MI->getOpcode()) { - default: return false; - // JMP_EQri - case Hexagon::JMP_EQriPt_nv_V4: - case Hexagon::JMP_EQriPnt_nv_V4: - case Hexagon::JMP_EQriNotPt_nv_V4: - case Hexagon::JMP_EQriNotPnt_nv_V4: - - // JMP_EQri - with -1 - case Hexagon::JMP_EQriPtneg_nv_V4: - case Hexagon::JMP_EQriPntneg_nv_V4: - case Hexagon::JMP_EQriNotPtneg_nv_V4: - case Hexagon::JMP_EQriNotPntneg_nv_V4: - - // JMP_EQrr - case Hexagon::JMP_EQrrPt_nv_V4: - case Hexagon::JMP_EQrrPnt_nv_V4: - case Hexagon::JMP_EQrrNotPt_nv_V4: - case Hexagon::JMP_EQrrNotPnt_nv_V4: - - // JMP_GTri - case Hexagon::JMP_GTriPt_nv_V4: - case Hexagon::JMP_GTriPnt_nv_V4: - case Hexagon::JMP_GTriNotPt_nv_V4: - case Hexagon::JMP_GTriNotPnt_nv_V4: - - // JMP_GTri - with -1 - case Hexagon::JMP_GTriPtneg_nv_V4: - case Hexagon::JMP_GTriPntneg_nv_V4: - case Hexagon::JMP_GTriNotPtneg_nv_V4: - case Hexagon::JMP_GTriNotPntneg_nv_V4: - - // JMP_GTrr - case Hexagon::JMP_GTrrPt_nv_V4: - case Hexagon::JMP_GTrrPnt_nv_V4: - case Hexagon::JMP_GTrrNotPt_nv_V4: - case Hexagon::JMP_GTrrNotPnt_nv_V4: - - // JMP_GTrrdn - case Hexagon::JMP_GTrrdnPt_nv_V4: - case Hexagon::JMP_GTrrdnPnt_nv_V4: - case Hexagon::JMP_GTrrdnNotPt_nv_V4: - case Hexagon::JMP_GTrrdnNotPnt_nv_V4: - - // JMP_GTUri - case Hexagon::JMP_GTUriPt_nv_V4: - case Hexagon::JMP_GTUriPnt_nv_V4: - case Hexagon::JMP_GTUriNotPt_nv_V4: - case Hexagon::JMP_GTUriNotPnt_nv_V4: - - // JMP_GTUrr - case Hexagon::JMP_GTUrrPt_nv_V4: - case Hexagon::JMP_GTUrrPnt_nv_V4: - case Hexagon::JMP_GTUrrNotPt_nv_V4: - case Hexagon::JMP_GTUrrNotPnt_nv_V4: + // Constant extenders are allowed only for V4 and above. + if (!Subtarget.hasV4TOps()) + return false; - // JMP_GTUrrdn - case Hexagon::JMP_GTUrrdnPt_nv_V4: - case Hexagon::JMP_GTUrrdnPnt_nv_V4: - case Hexagon::JMP_GTUrrdnNotPt_nv_V4: - case Hexagon::JMP_GTUrrdnNotPnt_nv_V4: + const MCInstrDesc &MID = MI->getDesc(); + const uint64_t F = MID.TSFlags; + if ((F >> HexagonII::ExtendablePos) & HexagonII::ExtendableMask) + return true; - // TFR_FI + // TODO: This is largely obsolete now. Will need to be removed + // in consecutive patches. + switch(MI->getOpcode()) { + // TFR_FI Remains a special case. case Hexagon::TFR_FI: return true; + default: + return false; } + return false; } +// This returns true in two cases: +// - The OP code itself indicates that this is an extended instruction. +// - One of MOs has been marked with HMOTF_ConstExtended flag. bool HexagonInstrInfo::isExtended(const MachineInstr *MI) const { - switch(MI->getOpcode()) { - default: return false; - // JMP_EQri - case Hexagon::JMP_EQriPt_ie_nv_V4: - case Hexagon::JMP_EQriPnt_ie_nv_V4: - case Hexagon::JMP_EQriNotPt_ie_nv_V4: - case Hexagon::JMP_EQriNotPnt_ie_nv_V4: - - // JMP_EQri - with -1 - case Hexagon::JMP_EQriPtneg_ie_nv_V4: - case Hexagon::JMP_EQriPntneg_ie_nv_V4: - case Hexagon::JMP_EQriNotPtneg_ie_nv_V4: - case Hexagon::JMP_EQriNotPntneg_ie_nv_V4: - - // JMP_EQrr - case Hexagon::JMP_EQrrPt_ie_nv_V4: - case Hexagon::JMP_EQrrPnt_ie_nv_V4: - case Hexagon::JMP_EQrrNotPt_ie_nv_V4: - case Hexagon::JMP_EQrrNotPnt_ie_nv_V4: - - // JMP_GTri - case Hexagon::JMP_GTriPt_ie_nv_V4: - case Hexagon::JMP_GTriPnt_ie_nv_V4: - case Hexagon::JMP_GTriNotPt_ie_nv_V4: - case Hexagon::JMP_GTriNotPnt_ie_nv_V4: - - // JMP_GTri - with -1 - case Hexagon::JMP_GTriPtneg_ie_nv_V4: - case Hexagon::JMP_GTriPntneg_ie_nv_V4: - case Hexagon::JMP_GTriNotPtneg_ie_nv_V4: - case Hexagon::JMP_GTriNotPntneg_ie_nv_V4: - - // JMP_GTrr - case Hexagon::JMP_GTrrPt_ie_nv_V4: - case Hexagon::JMP_GTrrPnt_ie_nv_V4: - case Hexagon::JMP_GTrrNotPt_ie_nv_V4: - case Hexagon::JMP_GTrrNotPnt_ie_nv_V4: - - // JMP_GTrrdn - case Hexagon::JMP_GTrrdnPt_ie_nv_V4: - case Hexagon::JMP_GTrrdnPnt_ie_nv_V4: - case Hexagon::JMP_GTrrdnNotPt_ie_nv_V4: - case Hexagon::JMP_GTrrdnNotPnt_ie_nv_V4: - - // JMP_GTUri - case Hexagon::JMP_GTUriPt_ie_nv_V4: - case Hexagon::JMP_GTUriPnt_ie_nv_V4: - case Hexagon::JMP_GTUriNotPt_ie_nv_V4: - case Hexagon::JMP_GTUriNotPnt_ie_nv_V4: - - // JMP_GTUrr - case Hexagon::JMP_GTUrrPt_ie_nv_V4: - case Hexagon::JMP_GTUrrPnt_ie_nv_V4: - case Hexagon::JMP_GTUrrNotPt_ie_nv_V4: - case Hexagon::JMP_GTUrrNotPnt_ie_nv_V4: - - // JMP_GTUrrdn - case Hexagon::JMP_GTUrrdnPt_ie_nv_V4: - case Hexagon::JMP_GTUrrdnPnt_ie_nv_V4: - case Hexagon::JMP_GTUrrdnNotPt_ie_nv_V4: - case Hexagon::JMP_GTUrrdnNotPnt_ie_nv_V4: - - // V4 absolute set addressing. - case Hexagon::LDrid_abs_setimm_V4: - case Hexagon::LDriw_abs_setimm_V4: - case Hexagon::LDrih_abs_setimm_V4: - case Hexagon::LDrib_abs_setimm_V4: - case Hexagon::LDriuh_abs_setimm_V4: - case Hexagon::LDriub_abs_setimm_V4: - - case Hexagon::STrid_abs_setimm_V4: - case Hexagon::STrib_abs_setimm_V4: - case Hexagon::STrih_abs_setimm_V4: - case Hexagon::STriw_abs_setimm_V4: - - // V4 global address load. - case Hexagon::LDrid_GP_cPt_V4 : - case Hexagon::LDrid_GP_cNotPt_V4 : - case Hexagon::LDrid_GP_cdnPt_V4 : - case Hexagon::LDrid_GP_cdnNotPt_V4 : - case Hexagon::LDrib_GP_cPt_V4 : - case Hexagon::LDrib_GP_cNotPt_V4 : - case Hexagon::LDrib_GP_cdnPt_V4 : - case Hexagon::LDrib_GP_cdnNotPt_V4 : - case Hexagon::LDriub_GP_cPt_V4 : - case Hexagon::LDriub_GP_cNotPt_V4 : - case Hexagon::LDriub_GP_cdnPt_V4 : - case Hexagon::LDriub_GP_cdnNotPt_V4 : - case Hexagon::LDrih_GP_cPt_V4 : - case Hexagon::LDrih_GP_cNotPt_V4 : - case Hexagon::LDrih_GP_cdnPt_V4 : - case Hexagon::LDrih_GP_cdnNotPt_V4 : - case Hexagon::LDriuh_GP_cPt_V4 : - case Hexagon::LDriuh_GP_cNotPt_V4 : - case Hexagon::LDriuh_GP_cdnPt_V4 : - case Hexagon::LDriuh_GP_cdnNotPt_V4 : - case Hexagon::LDriw_GP_cPt_V4 : - case Hexagon::LDriw_GP_cNotPt_V4 : - case Hexagon::LDriw_GP_cdnPt_V4 : - case Hexagon::LDriw_GP_cdnNotPt_V4 : - case Hexagon::LDd_GP_cPt_V4 : - case Hexagon::LDd_GP_cNotPt_V4 : - case Hexagon::LDd_GP_cdnPt_V4 : - case Hexagon::LDd_GP_cdnNotPt_V4 : - case Hexagon::LDb_GP_cPt_V4 : - case Hexagon::LDb_GP_cNotPt_V4 : - case Hexagon::LDb_GP_cdnPt_V4 : - case Hexagon::LDb_GP_cdnNotPt_V4 : - case Hexagon::LDub_GP_cPt_V4 : - case Hexagon::LDub_GP_cNotPt_V4 : - case Hexagon::LDub_GP_cdnPt_V4 : - case Hexagon::LDub_GP_cdnNotPt_V4 : - case Hexagon::LDh_GP_cPt_V4 : - case Hexagon::LDh_GP_cNotPt_V4 : - case Hexagon::LDh_GP_cdnPt_V4 : - case Hexagon::LDh_GP_cdnNotPt_V4 : - case Hexagon::LDuh_GP_cPt_V4 : - case Hexagon::LDuh_GP_cNotPt_V4 : - case Hexagon::LDuh_GP_cdnPt_V4 : - case Hexagon::LDuh_GP_cdnNotPt_V4 : - case Hexagon::LDw_GP_cPt_V4 : - case Hexagon::LDw_GP_cNotPt_V4 : - case Hexagon::LDw_GP_cdnPt_V4 : - case Hexagon::LDw_GP_cdnNotPt_V4 : - - // V4 global address store. - case Hexagon::STrid_GP_cPt_V4 : - case Hexagon::STrid_GP_cNotPt_V4 : - case Hexagon::STrid_GP_cdnPt_V4 : - case Hexagon::STrid_GP_cdnNotPt_V4 : - case Hexagon::STrib_GP_cPt_V4 : - case Hexagon::STrib_GP_cNotPt_V4 : - case Hexagon::STrib_GP_cdnPt_V4 : - case Hexagon::STrib_GP_cdnNotPt_V4 : - case Hexagon::STrih_GP_cPt_V4 : - case Hexagon::STrih_GP_cNotPt_V4 : - case Hexagon::STrih_GP_cdnPt_V4 : - case Hexagon::STrih_GP_cdnNotPt_V4 : - case Hexagon::STriw_GP_cPt_V4 : - case Hexagon::STriw_GP_cNotPt_V4 : - case Hexagon::STriw_GP_cdnPt_V4 : - case Hexagon::STriw_GP_cdnNotPt_V4 : - case Hexagon::STd_GP_cPt_V4 : - case Hexagon::STd_GP_cNotPt_V4 : - case Hexagon::STd_GP_cdnPt_V4 : - case Hexagon::STd_GP_cdnNotPt_V4 : - case Hexagon::STb_GP_cPt_V4 : - case Hexagon::STb_GP_cNotPt_V4 : - case Hexagon::STb_GP_cdnPt_V4 : - case Hexagon::STb_GP_cdnNotPt_V4 : - case Hexagon::STh_GP_cPt_V4 : - case Hexagon::STh_GP_cNotPt_V4 : - case Hexagon::STh_GP_cdnPt_V4 : - case Hexagon::STh_GP_cdnNotPt_V4 : - case Hexagon::STw_GP_cPt_V4 : - case Hexagon::STw_GP_cNotPt_V4 : - case Hexagon::STw_GP_cdnPt_V4 : - case Hexagon::STw_GP_cdnNotPt_V4 : - - // V4 predicated global address new value store. - case Hexagon::STrib_GP_cPt_nv_V4 : - case Hexagon::STrib_GP_cNotPt_nv_V4 : - case Hexagon::STrib_GP_cdnPt_nv_V4 : - case Hexagon::STrib_GP_cdnNotPt_nv_V4 : - case Hexagon::STrih_GP_cPt_nv_V4 : - case Hexagon::STrih_GP_cNotPt_nv_V4 : - case Hexagon::STrih_GP_cdnPt_nv_V4 : - case Hexagon::STrih_GP_cdnNotPt_nv_V4 : - case Hexagon::STriw_GP_cPt_nv_V4 : - case Hexagon::STriw_GP_cNotPt_nv_V4 : - case Hexagon::STriw_GP_cdnPt_nv_V4 : - case Hexagon::STriw_GP_cdnNotPt_nv_V4 : - case Hexagon::STb_GP_cPt_nv_V4 : - case Hexagon::STb_GP_cNotPt_nv_V4 : - case Hexagon::STb_GP_cdnPt_nv_V4 : - case Hexagon::STb_GP_cdnNotPt_nv_V4 : - case Hexagon::STh_GP_cPt_nv_V4 : - case Hexagon::STh_GP_cNotPt_nv_V4 : - case Hexagon::STh_GP_cdnPt_nv_V4 : - case Hexagon::STh_GP_cdnNotPt_nv_V4 : - case Hexagon::STw_GP_cPt_nv_V4 : - case Hexagon::STw_GP_cNotPt_nv_V4 : - case Hexagon::STw_GP_cdnPt_nv_V4 : - case Hexagon::STw_GP_cdnNotPt_nv_V4 : - - // TFR_FI - case Hexagon::TFR_FI_immext_V4: - - // TFRI_F - case Hexagon::TFRI_f: - case Hexagon::TFRI_cPt_f: - case Hexagon::TFRI_cNotPt_f: - case Hexagon::CONST64_Float_Real: + // First check if this is permanently extended op code. + const uint64_t F = MI->getDesc().TSFlags; + if ((F >> HexagonII::ExtendedPos) & HexagonII::ExtendedMask) + return true; + // Use MO operand flags to determine if one of MI's operands + // has HMOTF_ConstExtended flag set. + for (MachineInstr::const_mop_iterator I = MI->operands_begin(), + E = MI->operands_end(); I != E; ++I) { + if (I->getTargetFlags() && HexagonII::HMOTF_ConstExtended) return true; } + return false; } bool HexagonInstrInfo::isNewValueJump(const MachineInstr *MI) const { @@ -835,258 +702,6 @@ bool HexagonInstrInfo::isNewValueJump(const MachineInstr *MI) const { } } -unsigned HexagonInstrInfo::getImmExtForm(const MachineInstr* MI) const { - switch(MI->getOpcode()) { - default: llvm_unreachable("Unknown type of instruction."); - // JMP_EQri - case Hexagon::JMP_EQriPt_nv_V4: - return Hexagon::JMP_EQriPt_ie_nv_V4; - case Hexagon::JMP_EQriNotPt_nv_V4: - return Hexagon::JMP_EQriNotPt_ie_nv_V4; - case Hexagon::JMP_EQriPnt_nv_V4: - return Hexagon::JMP_EQriPnt_ie_nv_V4; - case Hexagon::JMP_EQriNotPnt_nv_V4: - return Hexagon::JMP_EQriNotPnt_ie_nv_V4; - - // JMP_EQri -- with -1 - case Hexagon::JMP_EQriPtneg_nv_V4: - return Hexagon::JMP_EQriPtneg_ie_nv_V4; - case Hexagon::JMP_EQriNotPtneg_nv_V4: - return Hexagon::JMP_EQriNotPtneg_ie_nv_V4; - case Hexagon::JMP_EQriPntneg_nv_V4: - return Hexagon::JMP_EQriPntneg_ie_nv_V4; - case Hexagon::JMP_EQriNotPntneg_nv_V4: - return Hexagon::JMP_EQriNotPntneg_ie_nv_V4; - - // JMP_EQrr - case Hexagon::JMP_EQrrPt_nv_V4: - return Hexagon::JMP_EQrrPt_ie_nv_V4; - case Hexagon::JMP_EQrrNotPt_nv_V4: - return Hexagon::JMP_EQrrNotPt_ie_nv_V4; - case Hexagon::JMP_EQrrPnt_nv_V4: - return Hexagon::JMP_EQrrPnt_ie_nv_V4; - case Hexagon::JMP_EQrrNotPnt_nv_V4: - return Hexagon::JMP_EQrrNotPnt_ie_nv_V4; - - // JMP_GTri - case Hexagon::JMP_GTriPt_nv_V4: - return Hexagon::JMP_GTriPt_ie_nv_V4; - case Hexagon::JMP_GTriNotPt_nv_V4: - return Hexagon::JMP_GTriNotPt_ie_nv_V4; - case Hexagon::JMP_GTriPnt_nv_V4: - return Hexagon::JMP_GTriPnt_ie_nv_V4; - case Hexagon::JMP_GTriNotPnt_nv_V4: - return Hexagon::JMP_GTriNotPnt_ie_nv_V4; - - // JMP_GTri -- with -1 - case Hexagon::JMP_GTriPtneg_nv_V4: - return Hexagon::JMP_GTriPtneg_ie_nv_V4; - case Hexagon::JMP_GTriNotPtneg_nv_V4: - return Hexagon::JMP_GTriNotPtneg_ie_nv_V4; - case Hexagon::JMP_GTriPntneg_nv_V4: - return Hexagon::JMP_GTriPntneg_ie_nv_V4; - case Hexagon::JMP_GTriNotPntneg_nv_V4: - return Hexagon::JMP_GTriNotPntneg_ie_nv_V4; - - // JMP_GTrr - case Hexagon::JMP_GTrrPt_nv_V4: - return Hexagon::JMP_GTrrPt_ie_nv_V4; - case Hexagon::JMP_GTrrNotPt_nv_V4: - return Hexagon::JMP_GTrrNotPt_ie_nv_V4; - case Hexagon::JMP_GTrrPnt_nv_V4: - return Hexagon::JMP_GTrrPnt_ie_nv_V4; - case Hexagon::JMP_GTrrNotPnt_nv_V4: - return Hexagon::JMP_GTrrNotPnt_ie_nv_V4; - - // JMP_GTrrdn - case Hexagon::JMP_GTrrdnPt_nv_V4: - return Hexagon::JMP_GTrrdnPt_ie_nv_V4; - case Hexagon::JMP_GTrrdnNotPt_nv_V4: - return Hexagon::JMP_GTrrdnNotPt_ie_nv_V4; - case Hexagon::JMP_GTrrdnPnt_nv_V4: - return Hexagon::JMP_GTrrdnPnt_ie_nv_V4; - case Hexagon::JMP_GTrrdnNotPnt_nv_V4: - return Hexagon::JMP_GTrrdnNotPnt_ie_nv_V4; - - // JMP_GTUri - case Hexagon::JMP_GTUriPt_nv_V4: - return Hexagon::JMP_GTUriPt_ie_nv_V4; - case Hexagon::JMP_GTUriNotPt_nv_V4: - return Hexagon::JMP_GTUriNotPt_ie_nv_V4; - case Hexagon::JMP_GTUriPnt_nv_V4: - return Hexagon::JMP_GTUriPnt_ie_nv_V4; - case Hexagon::JMP_GTUriNotPnt_nv_V4: - return Hexagon::JMP_GTUriNotPnt_ie_nv_V4; - - // JMP_GTUrr - case Hexagon::JMP_GTUrrPt_nv_V4: - return Hexagon::JMP_GTUrrPt_ie_nv_V4; - case Hexagon::JMP_GTUrrNotPt_nv_V4: - return Hexagon::JMP_GTUrrNotPt_ie_nv_V4; - case Hexagon::JMP_GTUrrPnt_nv_V4: - return Hexagon::JMP_GTUrrPnt_ie_nv_V4; - case Hexagon::JMP_GTUrrNotPnt_nv_V4: - return Hexagon::JMP_GTUrrNotPnt_ie_nv_V4; - - // JMP_GTUrrdn - case Hexagon::JMP_GTUrrdnPt_nv_V4: - return Hexagon::JMP_GTUrrdnPt_ie_nv_V4; - case Hexagon::JMP_GTUrrdnNotPt_nv_V4: - return Hexagon::JMP_GTUrrdnNotPt_ie_nv_V4; - case Hexagon::JMP_GTUrrdnPnt_nv_V4: - return Hexagon::JMP_GTUrrdnPnt_ie_nv_V4; - case Hexagon::JMP_GTUrrdnNotPnt_nv_V4: - return Hexagon::JMP_GTUrrdnNotPnt_ie_nv_V4; - - case Hexagon::TFR_FI: - return Hexagon::TFR_FI_immext_V4; - - case Hexagon::MEMw_ADDi_indexed_MEM_V4 : - case Hexagon::MEMw_SUBi_indexed_MEM_V4 : - case Hexagon::MEMw_ADDr_indexed_MEM_V4 : - case Hexagon::MEMw_SUBr_indexed_MEM_V4 : - case Hexagon::MEMw_ANDr_indexed_MEM_V4 : - case Hexagon::MEMw_ORr_indexed_MEM_V4 : - case Hexagon::MEMw_ADDi_MEM_V4 : - case Hexagon::MEMw_SUBi_MEM_V4 : - case Hexagon::MEMw_ADDr_MEM_V4 : - case Hexagon::MEMw_SUBr_MEM_V4 : - case Hexagon::MEMw_ANDr_MEM_V4 : - case Hexagon::MEMw_ORr_MEM_V4 : - case Hexagon::MEMh_ADDi_indexed_MEM_V4 : - case Hexagon::MEMh_SUBi_indexed_MEM_V4 : - case Hexagon::MEMh_ADDr_indexed_MEM_V4 : - case Hexagon::MEMh_SUBr_indexed_MEM_V4 : - case Hexagon::MEMh_ANDr_indexed_MEM_V4 : - case Hexagon::MEMh_ORr_indexed_MEM_V4 : - case Hexagon::MEMh_ADDi_MEM_V4 : - case Hexagon::MEMh_SUBi_MEM_V4 : - case Hexagon::MEMh_ADDr_MEM_V4 : - case Hexagon::MEMh_SUBr_MEM_V4 : - case Hexagon::MEMh_ANDr_MEM_V4 : - case Hexagon::MEMh_ORr_MEM_V4 : - case Hexagon::MEMb_ADDi_indexed_MEM_V4 : - case Hexagon::MEMb_SUBi_indexed_MEM_V4 : - case Hexagon::MEMb_ADDr_indexed_MEM_V4 : - case Hexagon::MEMb_SUBr_indexed_MEM_V4 : - case Hexagon::MEMb_ANDr_indexed_MEM_V4 : - case Hexagon::MEMb_ORr_indexed_MEM_V4 : - case Hexagon::MEMb_ADDi_MEM_V4 : - case Hexagon::MEMb_SUBi_MEM_V4 : - case Hexagon::MEMb_ADDr_MEM_V4 : - case Hexagon::MEMb_SUBr_MEM_V4 : - case Hexagon::MEMb_ANDr_MEM_V4 : - case Hexagon::MEMb_ORr_MEM_V4 : - llvm_unreachable("Needs implementing."); - } -} - -unsigned HexagonInstrInfo::getNormalBranchForm(const MachineInstr* MI) const { - switch(MI->getOpcode()) { - default: llvm_unreachable("Unknown type of jump instruction."); - // JMP_EQri - case Hexagon::JMP_EQriPt_ie_nv_V4: - return Hexagon::JMP_EQriPt_nv_V4; - case Hexagon::JMP_EQriNotPt_ie_nv_V4: - return Hexagon::JMP_EQriNotPt_nv_V4; - case Hexagon::JMP_EQriPnt_ie_nv_V4: - return Hexagon::JMP_EQriPnt_nv_V4; - case Hexagon::JMP_EQriNotPnt_ie_nv_V4: - return Hexagon::JMP_EQriNotPnt_nv_V4; - - // JMP_EQri -- with -1 - case Hexagon::JMP_EQriPtneg_ie_nv_V4: - return Hexagon::JMP_EQriPtneg_nv_V4; - case Hexagon::JMP_EQriNotPtneg_ie_nv_V4: - return Hexagon::JMP_EQriNotPtneg_nv_V4; - case Hexagon::JMP_EQriPntneg_ie_nv_V4: - return Hexagon::JMP_EQriPntneg_nv_V4; - case Hexagon::JMP_EQriNotPntneg_ie_nv_V4: - return Hexagon::JMP_EQriNotPntneg_nv_V4; - - // JMP_EQrr - case Hexagon::JMP_EQrrPt_ie_nv_V4: - return Hexagon::JMP_EQrrPt_nv_V4; - case Hexagon::JMP_EQrrNotPt_ie_nv_V4: - return Hexagon::JMP_EQrrNotPt_nv_V4; - case Hexagon::JMP_EQrrPnt_ie_nv_V4: - return Hexagon::JMP_EQrrPnt_nv_V4; - case Hexagon::JMP_EQrrNotPnt_ie_nv_V4: - return Hexagon::JMP_EQrrNotPnt_nv_V4; - - // JMP_GTri - case Hexagon::JMP_GTriPt_ie_nv_V4: - return Hexagon::JMP_GTriPt_nv_V4; - case Hexagon::JMP_GTriNotPt_ie_nv_V4: - return Hexagon::JMP_GTriNotPt_nv_V4; - case Hexagon::JMP_GTriPnt_ie_nv_V4: - return Hexagon::JMP_GTriPnt_nv_V4; - case Hexagon::JMP_GTriNotPnt_ie_nv_V4: - return Hexagon::JMP_GTriNotPnt_nv_V4; - - // JMP_GTri -- with -1 - case Hexagon::JMP_GTriPtneg_ie_nv_V4: - return Hexagon::JMP_GTriPtneg_nv_V4; - case Hexagon::JMP_GTriNotPtneg_ie_nv_V4: - return Hexagon::JMP_GTriNotPtneg_nv_V4; - case Hexagon::JMP_GTriPntneg_ie_nv_V4: - return Hexagon::JMP_GTriPntneg_nv_V4; - case Hexagon::JMP_GTriNotPntneg_ie_nv_V4: - return Hexagon::JMP_GTriNotPntneg_nv_V4; - - // JMP_GTrr - case Hexagon::JMP_GTrrPt_ie_nv_V4: - return Hexagon::JMP_GTrrPt_nv_V4; - case Hexagon::JMP_GTrrNotPt_ie_nv_V4: - return Hexagon::JMP_GTrrNotPt_nv_V4; - case Hexagon::JMP_GTrrPnt_ie_nv_V4: - return Hexagon::JMP_GTrrPnt_nv_V4; - case Hexagon::JMP_GTrrNotPnt_ie_nv_V4: - return Hexagon::JMP_GTrrNotPnt_nv_V4; - - // JMP_GTrrdn - case Hexagon::JMP_GTrrdnPt_ie_nv_V4: - return Hexagon::JMP_GTrrdnPt_nv_V4; - case Hexagon::JMP_GTrrdnNotPt_ie_nv_V4: - return Hexagon::JMP_GTrrdnNotPt_nv_V4; - case Hexagon::JMP_GTrrdnPnt_ie_nv_V4: - return Hexagon::JMP_GTrrdnPnt_nv_V4; - case Hexagon::JMP_GTrrdnNotPnt_ie_nv_V4: - return Hexagon::JMP_GTrrdnNotPnt_nv_V4; - - // JMP_GTUri - case Hexagon::JMP_GTUriPt_ie_nv_V4: - return Hexagon::JMP_GTUriPt_nv_V4; - case Hexagon::JMP_GTUriNotPt_ie_nv_V4: - return Hexagon::JMP_GTUriNotPt_nv_V4; - case Hexagon::JMP_GTUriPnt_ie_nv_V4: - return Hexagon::JMP_GTUriPnt_nv_V4; - case Hexagon::JMP_GTUriNotPnt_ie_nv_V4: - return Hexagon::JMP_GTUriNotPnt_nv_V4; - - // JMP_GTUrr - case Hexagon::JMP_GTUrrPt_ie_nv_V4: - return Hexagon::JMP_GTUrrPt_nv_V4; - case Hexagon::JMP_GTUrrNotPt_ie_nv_V4: - return Hexagon::JMP_GTUrrNotPt_nv_V4; - case Hexagon::JMP_GTUrrPnt_ie_nv_V4: - return Hexagon::JMP_GTUrrPnt_nv_V4; - case Hexagon::JMP_GTUrrNotPnt_ie_nv_V4: - return Hexagon::JMP_GTUrrNotPnt_nv_V4; - - // JMP_GTUrrdn - case Hexagon::JMP_GTUrrdnPt_ie_nv_V4: - return Hexagon::JMP_GTUrrdnPt_nv_V4; - case Hexagon::JMP_GTUrrdnNotPt_ie_nv_V4: - return Hexagon::JMP_GTUrrdnNotPt_nv_V4; - case Hexagon::JMP_GTUrrdnPnt_ie_nv_V4: - return Hexagon::JMP_GTUrrdnPnt_nv_V4; - case Hexagon::JMP_GTUrrdnNotPnt_ie_nv_V4: - return Hexagon::JMP_GTUrrdnNotPnt_nv_V4; - } -} - - bool HexagonInstrInfo::isNewValueStore(const MachineInstr *MI) const { switch (MI->getOpcode()) { default: return false; @@ -1095,7 +710,6 @@ bool HexagonInstrInfo::isNewValueStore(const MachineInstr *MI) const { case Hexagon::STrib_indexed_nv_V4: case Hexagon::STrib_indexed_shl_nv_V4: case Hexagon::STrib_shl_nv_V4: - case Hexagon::STrib_GP_nv_V4: case Hexagon::STb_GP_nv_V4: case Hexagon::POST_STbri_nv_V4: case Hexagon::STrib_cPt_nv_V4: @@ -1118,10 +732,6 @@ bool HexagonInstrInfo::isNewValueStore(const MachineInstr *MI) const { case Hexagon::STb_GP_cNotPt_nv_V4: case Hexagon::STb_GP_cdnPt_nv_V4: case Hexagon::STb_GP_cdnNotPt_nv_V4: - case Hexagon::STrib_GP_cPt_nv_V4: - case Hexagon::STrib_GP_cNotPt_nv_V4: - case Hexagon::STrib_GP_cdnPt_nv_V4: - case Hexagon::STrib_GP_cdnNotPt_nv_V4: case Hexagon::STrib_abs_nv_V4: case Hexagon::STrib_abs_cPt_nv_V4: case Hexagon::STrib_abs_cdnPt_nv_V4: @@ -1138,7 +748,6 @@ bool HexagonInstrInfo::isNewValueStore(const MachineInstr *MI) const { case Hexagon::STrih_indexed_nv_V4: case Hexagon::STrih_indexed_shl_nv_V4: case Hexagon::STrih_shl_nv_V4: - case Hexagon::STrih_GP_nv_V4: case Hexagon::STh_GP_nv_V4: case Hexagon::POST_SThri_nv_V4: case Hexagon::STrih_cPt_nv_V4: @@ -1161,10 +770,6 @@ bool HexagonInstrInfo::isNewValueStore(const MachineInstr *MI) const { case Hexagon::STh_GP_cNotPt_nv_V4: case Hexagon::STh_GP_cdnPt_nv_V4: case Hexagon::STh_GP_cdnNotPt_nv_V4: - case Hexagon::STrih_GP_cPt_nv_V4: - case Hexagon::STrih_GP_cNotPt_nv_V4: - case Hexagon::STrih_GP_cdnPt_nv_V4: - case Hexagon::STrih_GP_cdnNotPt_nv_V4: case Hexagon::STrih_abs_nv_V4: case Hexagon::STrih_abs_cPt_nv_V4: case Hexagon::STrih_abs_cdnPt_nv_V4: @@ -1181,7 +786,6 @@ bool HexagonInstrInfo::isNewValueStore(const MachineInstr *MI) const { case Hexagon::STriw_indexed_nv_V4: case Hexagon::STriw_indexed_shl_nv_V4: case Hexagon::STriw_shl_nv_V4: - case Hexagon::STriw_GP_nv_V4: case Hexagon::STw_GP_nv_V4: case Hexagon::POST_STwri_nv_V4: case Hexagon::STriw_cPt_nv_V4: @@ -1204,10 +808,6 @@ bool HexagonInstrInfo::isNewValueStore(const MachineInstr *MI) const { case Hexagon::STw_GP_cNotPt_nv_V4: case Hexagon::STw_GP_cdnPt_nv_V4: case Hexagon::STw_GP_cdnNotPt_nv_V4: - case Hexagon::STriw_GP_cPt_nv_V4: - case Hexagon::STriw_GP_cNotPt_nv_V4: - case Hexagon::STriw_GP_cdnPt_nv_V4: - case Hexagon::STriw_GP_cdnNotPt_nv_V4: case Hexagon::STriw_abs_nv_V4: case Hexagon::STriw_abs_cPt_nv_V4: case Hexagon::STriw_abs_cdnPt_nv_V4: @@ -1299,6 +899,16 @@ bool HexagonInstrInfo::isPostIncrement (const MachineInstr* MI) const { } } +bool HexagonInstrInfo::isNewValueInst(const MachineInstr *MI) const { + if (isNewValueJump(MI)) + return true; + + if (isNewValueStore(MI)) + return true; + + return false; +} + bool HexagonInstrInfo::isSaveCalleeSavedRegsCall(const MachineInstr *MI) const { return MI->getOpcode() == Hexagon::SAVE_REGISTERS_CALL_V4; } @@ -1500,26 +1110,11 @@ unsigned HexagonInstrInfo::getInvertedPredicatedOpcode(const int Opc) const { return Hexagon::JMPR_cPt; // V4 indexed+scaled load. - case Hexagon::LDrid_indexed_cPt_V4: - return Hexagon::LDrid_indexed_cNotPt_V4; - case Hexagon::LDrid_indexed_cNotPt_V4: - return Hexagon::LDrid_indexed_cPt_V4; - case Hexagon::LDrid_indexed_shl_cPt_V4: return Hexagon::LDrid_indexed_shl_cNotPt_V4; case Hexagon::LDrid_indexed_shl_cNotPt_V4: return Hexagon::LDrid_indexed_shl_cPt_V4; - case Hexagon::LDrib_indexed_cPt_V4: - return Hexagon::LDrib_indexed_cNotPt_V4; - case Hexagon::LDrib_indexed_cNotPt_V4: - return Hexagon::LDrib_indexed_cPt_V4; - - case Hexagon::LDriub_indexed_cPt_V4: - return Hexagon::LDriub_indexed_cNotPt_V4; - case Hexagon::LDriub_indexed_cNotPt_V4: - return Hexagon::LDriub_indexed_cPt_V4; - case Hexagon::LDrib_indexed_shl_cPt_V4: return Hexagon::LDrib_indexed_shl_cNotPt_V4; case Hexagon::LDrib_indexed_shl_cNotPt_V4: @@ -1530,16 +1125,6 @@ unsigned HexagonInstrInfo::getInvertedPredicatedOpcode(const int Opc) const { case Hexagon::LDriub_indexed_shl_cNotPt_V4: return Hexagon::LDriub_indexed_shl_cPt_V4; - case Hexagon::LDrih_indexed_cPt_V4: - return Hexagon::LDrih_indexed_cNotPt_V4; - case Hexagon::LDrih_indexed_cNotPt_V4: - return Hexagon::LDrih_indexed_cPt_V4; - - case Hexagon::LDriuh_indexed_cPt_V4: - return Hexagon::LDriuh_indexed_cNotPt_V4; - case Hexagon::LDriuh_indexed_cNotPt_V4: - return Hexagon::LDriuh_indexed_cPt_V4; - case Hexagon::LDrih_indexed_shl_cPt_V4: return Hexagon::LDrih_indexed_shl_cNotPt_V4; case Hexagon::LDrih_indexed_shl_cNotPt_V4: @@ -1550,11 +1135,6 @@ unsigned HexagonInstrInfo::getInvertedPredicatedOpcode(const int Opc) const { case Hexagon::LDriuh_indexed_shl_cNotPt_V4: return Hexagon::LDriuh_indexed_shl_cPt_V4; - case Hexagon::LDriw_indexed_cPt_V4: - return Hexagon::LDriw_indexed_cNotPt_V4; - case Hexagon::LDriw_indexed_cNotPt_V4: - return Hexagon::LDriw_indexed_cPt_V4; - case Hexagon::LDriw_indexed_shl_cPt_V4: return Hexagon::LDriw_indexed_shl_cNotPt_V4; case Hexagon::LDriw_indexed_shl_cNotPt_V4: @@ -1680,26 +1260,6 @@ unsigned HexagonInstrInfo::getInvertedPredicatedOpcode(const int Opc) const { case Hexagon::STw_GP_cNotPt_V4: return Hexagon::STw_GP_cPt_V4; - case Hexagon::STrid_GP_cPt_V4: - return Hexagon::STrid_GP_cNotPt_V4; - case Hexagon::STrid_GP_cNotPt_V4: - return Hexagon::STrid_GP_cPt_V4; - - case Hexagon::STrib_GP_cPt_V4: - return Hexagon::STrib_GP_cNotPt_V4; - case Hexagon::STrib_GP_cNotPt_V4: - return Hexagon::STrib_GP_cPt_V4; - - case Hexagon::STrih_GP_cPt_V4: - return Hexagon::STrih_GP_cNotPt_V4; - case Hexagon::STrih_GP_cNotPt_V4: - return Hexagon::STrih_GP_cPt_V4; - - case Hexagon::STriw_GP_cPt_V4: - return Hexagon::STriw_GP_cNotPt_V4; - case Hexagon::STriw_GP_cNotPt_V4: - return Hexagon::STriw_GP_cPt_V4; - // Load. case Hexagon::LDrid_cPt: return Hexagon::LDrid_cNotPt; @@ -1965,75 +1525,26 @@ getMatchingCondBranchOpcode(int Opc, bool invertPredicate) const { Hexagon::JMPR_cNotPt; // V4 indexed+scaled load. - case Hexagon::LDrid_indexed_V4: - return !invertPredicate ? Hexagon::LDrid_indexed_cPt_V4 : - Hexagon::LDrid_indexed_cNotPt_V4; case Hexagon::LDrid_indexed_shl_V4: return !invertPredicate ? Hexagon::LDrid_indexed_shl_cPt_V4 : Hexagon::LDrid_indexed_shl_cNotPt_V4; - case Hexagon::LDrib_indexed_V4: - return !invertPredicate ? Hexagon::LDrib_indexed_cPt_V4 : - Hexagon::LDrib_indexed_cNotPt_V4; - case Hexagon::LDriub_indexed_V4: - return !invertPredicate ? Hexagon::LDriub_indexed_cPt_V4 : - Hexagon::LDriub_indexed_cNotPt_V4; - case Hexagon::LDriub_ae_indexed_V4: - return !invertPredicate ? Hexagon::LDriub_indexed_cPt_V4 : - Hexagon::LDriub_indexed_cNotPt_V4; case Hexagon::LDrib_indexed_shl_V4: return !invertPredicate ? Hexagon::LDrib_indexed_shl_cPt_V4 : Hexagon::LDrib_indexed_shl_cNotPt_V4; case Hexagon::LDriub_indexed_shl_V4: return !invertPredicate ? Hexagon::LDriub_indexed_shl_cPt_V4 : Hexagon::LDriub_indexed_shl_cNotPt_V4; - case Hexagon::LDriub_ae_indexed_shl_V4: - return !invertPredicate ? Hexagon::LDriub_indexed_shl_cPt_V4 : - Hexagon::LDriub_indexed_shl_cNotPt_V4; - case Hexagon::LDrih_indexed_V4: - return !invertPredicate ? Hexagon::LDrih_indexed_cPt_V4 : - Hexagon::LDrih_indexed_cNotPt_V4; - case Hexagon::LDriuh_indexed_V4: - return !invertPredicate ? Hexagon::LDriuh_indexed_cPt_V4 : - Hexagon::LDriuh_indexed_cNotPt_V4; - case Hexagon::LDriuh_ae_indexed_V4: - return !invertPredicate ? Hexagon::LDriuh_indexed_cPt_V4 : - Hexagon::LDriuh_indexed_cNotPt_V4; case Hexagon::LDrih_indexed_shl_V4: return !invertPredicate ? Hexagon::LDrih_indexed_shl_cPt_V4 : Hexagon::LDrih_indexed_shl_cNotPt_V4; case Hexagon::LDriuh_indexed_shl_V4: return !invertPredicate ? Hexagon::LDriuh_indexed_shl_cPt_V4 : Hexagon::LDriuh_indexed_shl_cNotPt_V4; - case Hexagon::LDriuh_ae_indexed_shl_V4: - return !invertPredicate ? Hexagon::LDriuh_indexed_shl_cPt_V4 : - Hexagon::LDriuh_indexed_shl_cNotPt_V4; - case Hexagon::LDriw_indexed_V4: - return !invertPredicate ? Hexagon::LDriw_indexed_cPt_V4 : - Hexagon::LDriw_indexed_cNotPt_V4; case Hexagon::LDriw_indexed_shl_V4: return !invertPredicate ? Hexagon::LDriw_indexed_shl_cPt_V4 : Hexagon::LDriw_indexed_shl_cNotPt_V4; // V4 Load from global address - case Hexagon::LDrid_GP_V4: - return !invertPredicate ? Hexagon::LDrid_GP_cPt_V4 : - Hexagon::LDrid_GP_cNotPt_V4; - case Hexagon::LDrib_GP_V4: - return !invertPredicate ? Hexagon::LDrib_GP_cPt_V4 : - Hexagon::LDrib_GP_cNotPt_V4; - case Hexagon::LDriub_GP_V4: - return !invertPredicate ? Hexagon::LDriub_GP_cPt_V4 : - Hexagon::LDriub_GP_cNotPt_V4; - case Hexagon::LDrih_GP_V4: - return !invertPredicate ? Hexagon::LDrih_GP_cPt_V4 : - Hexagon::LDrih_GP_cNotPt_V4; - case Hexagon::LDriuh_GP_V4: - return !invertPredicate ? Hexagon::LDriuh_GP_cPt_V4 : - Hexagon::LDriuh_GP_cNotPt_V4; - case Hexagon::LDriw_GP_V4: - return !invertPredicate ? Hexagon::LDriw_GP_cPt_V4 : - Hexagon::LDriw_GP_cNotPt_V4; - case Hexagon::LDd_GP_V4: return !invertPredicate ? Hexagon::LDd_GP_cPt_V4 : Hexagon::LDd_GP_cNotPt_V4; @@ -2116,19 +1627,6 @@ getMatchingCondBranchOpcode(int Opc, bool invertPredicate) const { Hexagon::STrid_indexed_shl_cNotPt_V4; // V4 Store to global address - case Hexagon::STrid_GP_V4: - return !invertPredicate ? Hexagon::STrid_GP_cPt_V4 : - Hexagon::STrid_GP_cNotPt_V4; - case Hexagon::STrib_GP_V4: - return !invertPredicate ? Hexagon::STrib_GP_cPt_V4 : - Hexagon::STrib_GP_cNotPt_V4; - case Hexagon::STrih_GP_V4: - return !invertPredicate ? Hexagon::STrih_GP_cPt_V4 : - Hexagon::STrih_GP_cNotPt_V4; - case Hexagon::STriw_GP_V4: - return !invertPredicate ? Hexagon::STriw_GP_cPt_V4 : - Hexagon::STriw_GP_cNotPt_V4; - case Hexagon::STd_GP_V4: return !invertPredicate ? Hexagon::STd_GP_cPt_V4 : Hexagon::STd_GP_cNotPt_V4; @@ -2215,38 +1713,141 @@ PredicateInstruction(MachineInstr *MI, assert (isPredicable(MI) && "Expected predicable instruction"); bool invertJump = (!Cond.empty() && Cond[0].isImm() && (Cond[0].getImm() == 0)); + + // This will change MI's opcode to its predicate version. + // However, its operand list is still the old one, i.e. the + // non-predicate one. MI->setDesc(get(getMatchingCondBranchOpcode(Opc, invertJump))); - // - // This assumes that the predicate is always the first operand - // in the set of inputs. - // - MI->addOperand(MI->getOperand(MI->getNumOperands()-1)); - int oper; - for (oper = MI->getNumOperands() - 3; oper >= 0; --oper) { - MachineOperand MO = MI->getOperand(oper); - if ((MO.isReg() && !MO.isUse() && !MO.isImplicit())) { - break; - } - if (MO.isReg()) { - MI->getOperand(oper+1).ChangeToRegister(MO.getReg(), MO.isDef(), - MO.isImplicit(), MO.isKill(), - MO.isDead(), MO.isUndef(), - MO.isDebug()); - } else if (MO.isImm()) { - MI->getOperand(oper+1).ChangeToImmediate(MO.getImm()); - } else { - llvm_unreachable("Unexpected operand type"); + int oper = -1; + unsigned int GAIdx = 0; + + // Indicates whether the current MI has a GlobalAddress operand + bool hasGAOpnd = false; + std::vector<MachineOperand> tmpOpnds; + + // Indicates whether we need to shift operands to right. + bool needShift = true; + + // The predicate is ALWAYS the FIRST input operand !!! + if (MI->getNumOperands() == 0) { + // The non-predicate version of MI does not take any operands, + // i.e. no outs and no ins. In this condition, the predicate + // operand will be directly placed at Operands[0]. No operand + // shift is needed. + // Example: BARRIER + needShift = false; + oper = -1; + } + else if ( MI->getOperand(MI->getNumOperands()-1).isReg() + && MI->getOperand(MI->getNumOperands()-1).isDef() + && !MI->getOperand(MI->getNumOperands()-1).isImplicit()) { + // The non-predicate version of MI does not have any input operands. + // In this condition, we extend the length of Operands[] by one and + // copy the original last operand to the newly allocated slot. + // At this moment, it is just a place holder. Later, we will put + // predicate operand directly into it. No operand shift is needed. + // Example: r0=BARRIER (this is a faked insn used here for illustration) + MI->addOperand(MI->getOperand(MI->getNumOperands()-1)); + needShift = false; + oper = MI->getNumOperands() - 2; + } + else { + // We need to right shift all input operands by one. Duplicate the + // last operand into the newly allocated slot. + MI->addOperand(MI->getOperand(MI->getNumOperands()-1)); + } + + if (needShift) + { + // Operands[ MI->getNumOperands() - 2 ] has been copied into + // Operands[ MI->getNumOperands() - 1 ], so we start from + // Operands[ MI->getNumOperands() - 3 ]. + // oper is a signed int. + // It is ok if "MI->getNumOperands()-3" is -3, -2, or -1. + for (oper = MI->getNumOperands() - 3; oper >= 0; --oper) + { + MachineOperand &MO = MI->getOperand(oper); + + // Opnd[0] Opnd[1] Opnd[2] Opnd[3] Opnd[4] Opnd[5] Opnd[6] Opnd[7] + // <Def0> <Def1> <Use0> <Use1> <ImpDef0> <ImpDef1> <ImpUse0> <ImpUse1> + // /\~ + // /||\~ + // || + // Predicate Operand here + if (MO.isReg() && !MO.isUse() && !MO.isImplicit()) { + break; + } + if (MO.isReg()) { + MI->getOperand(oper+1).ChangeToRegister(MO.getReg(), MO.isDef(), + MO.isImplicit(), MO.isKill(), + MO.isDead(), MO.isUndef(), + MO.isDebug()); + } + else if (MO.isImm()) { + MI->getOperand(oper+1).ChangeToImmediate(MO.getImm()); + } + else if (MO.isGlobal()) { + // MI can not have more than one GlobalAddress operand. + assert(hasGAOpnd == false && "MI can only have one GlobalAddress opnd"); + + // There is no member function called "ChangeToGlobalAddress" in the + // MachineOperand class (not like "ChangeToRegister" and + // "ChangeToImmediate"). So we have to remove them from Operands[] list + // first, and then add them back after we have inserted the predicate + // operand. tmpOpnds[] is to remember these operands before we remove + // them. + tmpOpnds.push_back(MO); + + // Operands[oper] is a GlobalAddress operand; + // Operands[oper+1] has been copied into Operands[oper+2]; + hasGAOpnd = true; + GAIdx = oper; + continue; + } + else { + assert(false && "Unexpected operand type"); + } } } int regPos = invertJump ? 1 : 0; MachineOperand PredMO = Cond[regPos]; + + // [oper] now points to the last explicit Def. Predicate operand must be + // located at [oper+1]. See diagram above. + // This assumes that the predicate is always the first operand, + // i.e. Operands[0+numResults], in the set of inputs + // It is better to have an assert here to check this. But I don't know how + // to write this assert because findFirstPredOperandIdx() would return -1 + if (oper < -1) oper = -1; MI->getOperand(oper+1).ChangeToRegister(PredMO.getReg(), PredMO.isDef(), PredMO.isImplicit(), PredMO.isKill(), PredMO.isDead(), PredMO.isUndef(), PredMO.isDebug()); + if (hasGAOpnd) + { + unsigned int i; + + // Operands[GAIdx] is the original GlobalAddress operand, which is + // already copied into tmpOpnds[0]. + // Operands[GAIdx] now stores a copy of Operands[GAIdx-1] + // Operands[GAIdx+1] has already been copied into Operands[GAIdx+2], + // so we start from [GAIdx+2] + for (i = GAIdx + 2; i < MI->getNumOperands(); ++i) + tmpOpnds.push_back(MI->getOperand(i)); + + // Remove all operands in range [ (GAIdx+1) ... (MI->getNumOperands()-1) ] + // It is very important that we always remove from the end of Operands[] + // MI->getNumOperands() is at least 2 if program goes to here. + for (i = MI->getNumOperands() - 1; i > GAIdx; --i) + MI->RemoveOperand(i); + + for (i = 0; i < tmpOpnds.size(); ++i) + MI->addOperand(tmpOpnds[i]); + } + return true; } @@ -2352,7 +1953,9 @@ isValidOffset(const int Opcode, const int Offset) const { switch(Opcode) { case Hexagon::LDriw: + case Hexagon::LDriw_indexed: case Hexagon::LDriw_f: + case Hexagon::STriw_indexed: case Hexagon::STriw: case Hexagon::STriw_f: assert((Offset % 4 == 0) && "Offset has incorrect alignment"); @@ -2360,8 +1963,10 @@ isValidOffset(const int Opcode, const int Offset) const { (Offset <= Hexagon_MEMW_OFFSET_MAX); case Hexagon::LDrid: + case Hexagon::LDrid_indexed: case Hexagon::LDrid_f: case Hexagon::STrid: + case Hexagon::STrid_indexed: case Hexagon::STrid_f: assert((Offset % 8 == 0) && "Offset has incorrect alignment"); return (Offset >= Hexagon_MEMD_OFFSET_MIN) && @@ -2435,6 +2040,9 @@ isValidOffset(const int Opcode, const int Offset) const { case Hexagon::LDriw_pred: return true; + case Hexagon::LOOP0_i: + return isUInt<10>(Offset); + // INLINEASM is very special. case Hexagon::INLINEASM: return true; @@ -2643,28 +2251,16 @@ isConditionalLoad (const MachineInstr* MI) const { case Hexagon::POST_LDriub_cPt : case Hexagon::POST_LDriub_cNotPt : return QRI.Subtarget.hasV4TOps(); - case Hexagon::LDrid_indexed_cPt_V4 : - case Hexagon::LDrid_indexed_cNotPt_V4 : case Hexagon::LDrid_indexed_shl_cPt_V4 : case Hexagon::LDrid_indexed_shl_cNotPt_V4 : - case Hexagon::LDrib_indexed_cPt_V4 : - case Hexagon::LDrib_indexed_cNotPt_V4 : case Hexagon::LDrib_indexed_shl_cPt_V4 : case Hexagon::LDrib_indexed_shl_cNotPt_V4 : - case Hexagon::LDriub_indexed_cPt_V4 : - case Hexagon::LDriub_indexed_cNotPt_V4 : case Hexagon::LDriub_indexed_shl_cPt_V4 : case Hexagon::LDriub_indexed_shl_cNotPt_V4 : - case Hexagon::LDrih_indexed_cPt_V4 : - case Hexagon::LDrih_indexed_cNotPt_V4 : case Hexagon::LDrih_indexed_shl_cPt_V4 : case Hexagon::LDrih_indexed_shl_cNotPt_V4 : - case Hexagon::LDriuh_indexed_cPt_V4 : - case Hexagon::LDriuh_indexed_cNotPt_V4 : case Hexagon::LDriuh_indexed_shl_cPt_V4 : case Hexagon::LDriuh_indexed_shl_cNotPt_V4 : - case Hexagon::LDriw_indexed_cPt_V4 : - case Hexagon::LDriw_indexed_cNotPt_V4 : case Hexagon::LDriw_indexed_shl_cPt_V4 : case Hexagon::LDriw_indexed_shl_cNotPt_V4 : return QRI.Subtarget.hasV4TOps(); @@ -2747,14 +2343,6 @@ isConditionalStore (const MachineInstr* MI) const { return QRI.Subtarget.hasV4TOps(); // V4 global address store before promoting to dot new. - case Hexagon::STrid_GP_cPt_V4 : - case Hexagon::STrid_GP_cNotPt_V4 : - case Hexagon::STrib_GP_cPt_V4 : - case Hexagon::STrib_GP_cNotPt_V4 : - case Hexagon::STrih_GP_cPt_V4 : - case Hexagon::STrih_GP_cNotPt_V4 : - case Hexagon::STriw_GP_cPt_V4 : - case Hexagon::STriw_GP_cNotPt_V4 : case Hexagon::STd_GP_cPt_V4 : case Hexagon::STd_GP_cNotPt_V4 : case Hexagon::STb_GP_cPt_V4 : @@ -2795,7 +2383,26 @@ isConditionalStore (const MachineInstr* MI) const { } } +unsigned HexagonInstrInfo::getAddrMode(const MachineInstr* MI) const { + const uint64_t F = MI->getDesc().TSFlags; + + return((F >> HexagonII::AddrModePos) & HexagonII::AddrModeMask); +} +/// immediateExtend - Changes the instruction in place to one using an immediate +/// extender. +void HexagonInstrInfo::immediateExtend(MachineInstr *MI) const { + assert((isExtendable(MI)||isConstExtended(MI)) && + "Instruction must be extendable"); + // Find which operand is extendable. + short ExtOpNum = getCExtOpNum(MI); + MachineOperand &MO = MI->getOperand(ExtOpNum); + // This needs to be something we understand. + assert((MO.isMBB() || MO.isImm()) && + "Branch with unknown extendable field type"); + // Mark given operand as extended. + MO.addTargetFlag(HexagonII::HMOTF_ConstExtended); +} DFAPacketizer *HexagonInstrInfo:: CreateTargetScheduleState(const TargetMachine *TM, @@ -2822,3 +2429,155 @@ bool HexagonInstrInfo::isSchedulingBoundary(const MachineInstr *MI, return false; } + +bool HexagonInstrInfo::isConstExtended(MachineInstr *MI) const { + + // Constant extenders are allowed only for V4 and above. + if (!Subtarget.hasV4TOps()) + return false; + + const uint64_t F = MI->getDesc().TSFlags; + unsigned isExtended = (F >> HexagonII::ExtendedPos) & HexagonII::ExtendedMask; + if (isExtended) // Instruction must be extended. + return true; + + unsigned isExtendable = (F >> HexagonII::ExtendablePos) + & HexagonII::ExtendableMask; + if (!isExtendable) + return false; + + short ExtOpNum = getCExtOpNum(MI); + const MachineOperand &MO = MI->getOperand(ExtOpNum); + // Use MO operand flags to determine if MO + // has the HMOTF_ConstExtended flag set. + if (MO.getTargetFlags() && HexagonII::HMOTF_ConstExtended) + return true; + // If this is a Machine BB address we are talking about, and it is + // not marked as extended, say so. + if (MO.isMBB()) + return false; + + // We could be using an instruction with an extendable immediate and shoehorn + // a global address into it. If it is a global address it will be constant + // extended. We do this for COMBINE. + // We currently only handle isGlobal() because it is the only kind of + // object we are going to end up with here for now. + // In the future we probably should add isSymbol(), etc. + if (MO.isGlobal() || MO.isSymbol()) + return true; + + // If the extendable operand is not 'Immediate' type, the instruction should + // have 'isExtended' flag set. + assert(MO.isImm() && "Extendable operand must be Immediate type"); + + int MinValue = getMinValue(MI); + int MaxValue = getMaxValue(MI); + int ImmValue = MO.getImm(); + + return (ImmValue < MinValue || ImmValue > MaxValue); +} + +// Returns true if a particular operand is extendable for an instruction. +bool HexagonInstrInfo::isOperandExtended(const MachineInstr *MI, + unsigned short OperandNum) const { + // Constant extenders are allowed only for V4 and above. + if (!Subtarget.hasV4TOps()) + return false; + + const uint64_t F = MI->getDesc().TSFlags; + + return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask) + == OperandNum; +} + +// Returns Operand Index for the constant extended instruction. +unsigned short HexagonInstrInfo::getCExtOpNum(const MachineInstr *MI) const { + const uint64_t F = MI->getDesc().TSFlags; + return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask); +} + +// Returns the min value that doesn't need to be extended. +int HexagonInstrInfo::getMinValue(const MachineInstr *MI) const { + const uint64_t F = MI->getDesc().TSFlags; + unsigned isSigned = (F >> HexagonII::ExtentSignedPos) + & HexagonII::ExtentSignedMask; + unsigned bits = (F >> HexagonII::ExtentBitsPos) + & HexagonII::ExtentBitsMask; + + if (isSigned) // if value is signed + return -1 << (bits - 1); + else + return 0; +} + +// Returns the max value that doesn't need to be extended. +int HexagonInstrInfo::getMaxValue(const MachineInstr *MI) const { + const uint64_t F = MI->getDesc().TSFlags; + unsigned isSigned = (F >> HexagonII::ExtentSignedPos) + & HexagonII::ExtentSignedMask; + unsigned bits = (F >> HexagonII::ExtentBitsPos) + & HexagonII::ExtentBitsMask; + + if (isSigned) // if value is signed + return ~(-1 << (bits - 1)); + else + return ~(-1 << bits); +} + +// Returns true if an instruction can be converted into a non-extended +// equivalent instruction. +bool HexagonInstrInfo::NonExtEquivalentExists (const MachineInstr *MI) const { + + short NonExtOpcode; + // Check if the instruction has a register form that uses register in place + // of the extended operand, if so return that as the non-extended form. + if (Hexagon::getRegForm(MI->getOpcode()) >= 0) + return true; + + if (MI->getDesc().mayLoad() || MI->getDesc().mayStore()) { + // Check addressing mode and retreive non-ext equivalent instruction. + + switch (getAddrMode(MI)) { + case HexagonII::Absolute : + // Load/store with absolute addressing mode can be converted into + // base+offset mode. + NonExtOpcode = Hexagon::getBasedWithImmOffset(MI->getOpcode()); + break; + case HexagonII::BaseImmOffset : + // Load/store with base+offset addressing mode can be converted into + // base+register offset addressing mode. However left shift operand should + // be set to 0. + NonExtOpcode = Hexagon::getBaseWithRegOffset(MI->getOpcode()); + break; + default: + return false; + } + if (NonExtOpcode < 0) + return false; + return true; + } + return false; +} + +// Returns opcode of the non-extended equivalent instruction. +short HexagonInstrInfo::getNonExtOpcode (const MachineInstr *MI) const { + + // Check if the instruction has a register form that uses register in place + // of the extended operand, if so return that as the non-extended form. + short NonExtOpcode = Hexagon::getRegForm(MI->getOpcode()); + if (NonExtOpcode >= 0) + return NonExtOpcode; + + if (MI->getDesc().mayLoad() || MI->getDesc().mayStore()) { + // Check addressing mode and retreive non-ext equivalent instruction. + switch (getAddrMode(MI)) { + case HexagonII::Absolute : + return Hexagon::getBasedWithImmOffset(MI->getOpcode()); + case HexagonII::BaseImmOffset : + return Hexagon::getBaseWithRegOffset(MI->getOpcode()); + default: + return -1; + } + } + return -1; +} |