diff options
Diffstat (limited to 'lib/Target/Hexagon/HexagonInstrInfo.cpp')
| -rw-r--r-- | lib/Target/Hexagon/HexagonInstrInfo.cpp | 1013 |
1 files changed, 1011 insertions, 2 deletions
diff --git a/lib/Target/Hexagon/HexagonInstrInfo.cpp b/lib/Target/Hexagon/HexagonInstrInfo.cpp index 77b366372c..6d3267ec87 100644 --- a/lib/Target/Hexagon/HexagonInstrInfo.cpp +++ b/lib/Target/Hexagon/HexagonInstrInfo.cpp @@ -11,10 +11,10 @@ // //===----------------------------------------------------------------------===// -#include "Hexagon.h" #include "HexagonInstrInfo.h" #include "HexagonRegisterInfo.h" #include "HexagonSubtarget.h" +#include "Hexagon.h" #include "llvm/ADT/STLExtras.h" #include "llvm/ADT/SmallVector.h" #include "llvm/CodeGen/DFAPacketizer.h" @@ -466,7 +466,869 @@ unsigned HexagonInstrInfo::createVR(MachineFunction* MF, MVT VT) const { return NewReg; } +bool HexagonInstrInfo::isExtendable(const MachineInstr *MI) const { + switch(MI->getOpcode()) { + // 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: + + // 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: + return true; + + // TFR_FI + case Hexagon::TFR_FI: + return true; + + + default: + return false; + } + return false; +} + +bool HexagonInstrInfo::isExtended(const MachineInstr *MI) const { + switch(MI->getOpcode()) { + // 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: + return true; + + default: + return false; + } + return false; +} + +bool HexagonInstrInfo::isNewValueJump(const MachineInstr *MI) const { + switch (MI->getOpcode()) { + // 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: + 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_nv_V4: + case Hexagon::JMP_EQriPntneg_nv_V4: + case Hexagon::JMP_EQriNotPtneg_nv_V4: + case Hexagon::JMP_EQriNotPntneg_nv_V4: + 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_nv_V4: + case Hexagon::JMP_EQrrPnt_nv_V4: + case Hexagon::JMP_EQrrNotPt_nv_V4: + case Hexagon::JMP_EQrrNotPnt_nv_V4: + 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_nv_V4: + case Hexagon::JMP_GTriPnt_nv_V4: + case Hexagon::JMP_GTriNotPt_nv_V4: + case Hexagon::JMP_GTriNotPnt_nv_V4: + 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_nv_V4: + case Hexagon::JMP_GTriPntneg_nv_V4: + case Hexagon::JMP_GTriNotPtneg_nv_V4: + case Hexagon::JMP_GTriNotPntneg_nv_V4: + 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_nv_V4: + case Hexagon::JMP_GTrrPnt_nv_V4: + case Hexagon::JMP_GTrrNotPt_nv_V4: + case Hexagon::JMP_GTrrNotPnt_nv_V4: + 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_nv_V4: + case Hexagon::JMP_GTrrdnPnt_nv_V4: + case Hexagon::JMP_GTrrdnNotPt_nv_V4: + case Hexagon::JMP_GTrrdnNotPnt_nv_V4: + 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_nv_V4: + case Hexagon::JMP_GTUriPnt_nv_V4: + case Hexagon::JMP_GTUriNotPt_nv_V4: + case Hexagon::JMP_GTUriNotPnt_nv_V4: + 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_nv_V4: + case Hexagon::JMP_GTUrrPnt_nv_V4: + case Hexagon::JMP_GTUrrNotPt_nv_V4: + case Hexagon::JMP_GTUrrNotPnt_nv_V4: + 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_nv_V4: + case Hexagon::JMP_GTUrrdnPnt_nv_V4: + case Hexagon::JMP_GTUrrdnNotPt_nv_V4: + case Hexagon::JMP_GTUrrdnNotPnt_nv_V4: + 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: + return true; + + default: + return false; + } + return false; +} + +unsigned HexagonInstrInfo::getImmExtForm(const MachineInstr* MI) const { + switch(MI->getOpcode()) { + // 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_ADDSUBi_indexed_MEM_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_ADDSUBi_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_ADDSUBi_indexed_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_ADDSUBi_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_ADDSUBi_indexed_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_ADDSUBi_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 : + assert(0 && "Needs implementing"); + + default: + assert(0 && "Unknown type of instruction"); + } + assert(0 && "Unknown type of instruction"); +} + +unsigned HexagonInstrInfo::getNormalBranchForm(const MachineInstr* MI) const { + switch(MI->getOpcode()) { + // 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; + + default: + assert(0 && "Unknown type of jump instruction"); + } + assert(0 && "Unknown type of jump instruction"); +} + + +bool HexagonInstrInfo::isNewValueStore(const MachineInstr *MI) const { + switch (MI->getOpcode()) { + + // Store Byte + case Hexagon::STrib_nv_V4: + 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: + case Hexagon::STrib_cdnPt_nv_V4: + case Hexagon::STrib_cNotPt_nv_V4: + case Hexagon::STrib_cdnNotPt_nv_V4: + case Hexagon::STrib_indexed_cPt_nv_V4: + case Hexagon::STrib_indexed_cdnPt_nv_V4: + case Hexagon::STrib_indexed_cNotPt_nv_V4: + case Hexagon::STrib_indexed_cdnNotPt_nv_V4: + case Hexagon::STrib_indexed_shl_cPt_nv_V4: + case Hexagon::STrib_indexed_shl_cdnPt_nv_V4: + case Hexagon::STrib_indexed_shl_cNotPt_nv_V4: + case Hexagon::STrib_indexed_shl_cdnNotPt_nv_V4: + case Hexagon::POST_STbri_cPt_nv_V4: + case Hexagon::POST_STbri_cdnPt_nv_V4: + case Hexagon::POST_STbri_cNotPt_nv_V4: + case Hexagon::POST_STbri_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::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: + case Hexagon::STrib_abs_cNotPt_nv_V4: + case Hexagon::STrib_abs_cdnNotPt_nv_V4: + case Hexagon::STrib_imm_abs_nv_V4: + case Hexagon::STrib_imm_abs_cPt_nv_V4: + case Hexagon::STrib_imm_abs_cdnPt_nv_V4: + case Hexagon::STrib_imm_abs_cNotPt_nv_V4: + case Hexagon::STrib_imm_abs_cdnNotPt_nv_V4: + + // Store Halfword + case Hexagon::STrih_nv_V4: + 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: + case Hexagon::STrih_cdnPt_nv_V4: + case Hexagon::STrih_cNotPt_nv_V4: + case Hexagon::STrih_cdnNotPt_nv_V4: + case Hexagon::STrih_indexed_cPt_nv_V4: + case Hexagon::STrih_indexed_cdnPt_nv_V4: + case Hexagon::STrih_indexed_cNotPt_nv_V4: + case Hexagon::STrih_indexed_cdnNotPt_nv_V4: + case Hexagon::STrih_indexed_shl_cPt_nv_V4: + case Hexagon::STrih_indexed_shl_cdnPt_nv_V4: + case Hexagon::STrih_indexed_shl_cNotPt_nv_V4: + case Hexagon::STrih_indexed_shl_cdnNotPt_nv_V4: + case Hexagon::POST_SThri_cPt_nv_V4: + case Hexagon::POST_SThri_cdnPt_nv_V4: + case Hexagon::POST_SThri_cNotPt_nv_V4: + case Hexagon::POST_SThri_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::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: + case Hexagon::STrih_abs_cNotPt_nv_V4: + case Hexagon::STrih_abs_cdnNotPt_nv_V4: + case Hexagon::STrih_imm_abs_nv_V4: + case Hexagon::STrih_imm_abs_cPt_nv_V4: + case Hexagon::STrih_imm_abs_cdnPt_nv_V4: + case Hexagon::STrih_imm_abs_cNotPt_nv_V4: + case Hexagon::STrih_imm_abs_cdnNotPt_nv_V4: + + // Store Word + case Hexagon::STriw_nv_V4: + 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: + case Hexagon::STriw_cdnPt_nv_V4: + case Hexagon::STriw_cNotPt_nv_V4: + case Hexagon::STriw_cdnNotPt_nv_V4: + case Hexagon::STriw_indexed_cPt_nv_V4: + case Hexagon::STriw_indexed_cdnPt_nv_V4: + case Hexagon::STriw_indexed_cNotPt_nv_V4: + case Hexagon::STriw_indexed_cdnNotPt_nv_V4: + case Hexagon::STriw_indexed_shl_cPt_nv_V4: + case Hexagon::STriw_indexed_shl_cdnPt_nv_V4: + case Hexagon::STriw_indexed_shl_cNotPt_nv_V4: + case Hexagon::STriw_indexed_shl_cdnNotPt_nv_V4: + case Hexagon::POST_STwri_cPt_nv_V4: + case Hexagon::POST_STwri_cdnPt_nv_V4: + case Hexagon::POST_STwri_cNotPt_nv_V4: + case Hexagon::POST_STwri_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: + 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: + case Hexagon::STriw_abs_cNotPt_nv_V4: + case Hexagon::STriw_abs_cdnNotPt_nv_V4: + case Hexagon::STriw_imm_abs_nv_V4: + case Hexagon::STriw_imm_abs_cPt_nv_V4: + case Hexagon::STriw_imm_abs_cdnPt_nv_V4: + case Hexagon::STriw_imm_abs_cNotPt_nv_V4: + case Hexagon::STriw_imm_abs_cdnNotPt_nv_V4: + return true; + + default: + return false; + } + return false; +} + +bool HexagonInstrInfo::isPostIncrement (const MachineInstr* MI) const { + switch (MI->getOpcode()) + { + // Load Byte + case Hexagon::POST_LDrib: + case Hexagon::POST_LDrib_cPt: + case Hexagon::POST_LDrib_cNotPt: + case Hexagon::POST_LDrib_cdnPt_V4: + case Hexagon::POST_LDrib_cdnNotPt_V4: + + // Load unsigned byte + case Hexagon::POST_LDriub: + case Hexagon::POST_LDriub_cPt: + case Hexagon::POST_LDriub_cNotPt: + case Hexagon::POST_LDriub_cdnPt_V4: + case Hexagon::POST_LDriub_cdnNotPt_V4: + + // Load halfword + case Hexagon::POST_LDrih: + case Hexagon::POST_LDrih_cPt: + case Hexagon::POST_LDrih_cNotPt: + case Hexagon::POST_LDrih_cdnPt_V4: + case Hexagon::POST_LDrih_cdnNotPt_V4: + + // Load unsigned halfword + case Hexagon::POST_LDriuh: + case Hexagon::POST_LDriuh_cPt: + case Hexagon::POST_LDriuh_cNotPt: + case Hexagon::POST_LDriuh_cdnPt_V4: + case Hexagon::POST_LDriuh_cdnNotPt_V4: + + // Load word + case Hexagon::POST_LDriw: + case Hexagon::POST_LDriw_cPt: + case Hexagon::POST_LDriw_cNotPt: + case Hexagon::POST_LDriw_cdnPt_V4: + case Hexagon::POST_LDriw_cdnNotPt_V4: + + // Load double word + case Hexagon::POST_LDrid: + case Hexagon::POST_LDrid_cPt: + case Hexagon::POST_LDrid_cNotPt: + case Hexagon::POST_LDrid_cdnPt_V4: + case Hexagon::POST_LDrid_cdnNotPt_V4: + + // Store byte + case Hexagon::POST_STbri: + case Hexagon::POST_STbri_cPt: + case Hexagon::POST_STbri_cNotPt: + case Hexagon::POST_STbri_cdnPt_V4: + case Hexagon::POST_STbri_cdnNotPt_V4: + + // Store halfword + case Hexagon::POST_SThri: + case Hexagon::POST_SThri_cPt: + case Hexagon::POST_SThri_cNotPt: + case Hexagon::POST_SThri_cdnPt_V4: + case Hexagon::POST_SThri_cdnNotPt_V4: + + // Store word + case Hexagon::POST_STwri: + case Hexagon::POST_STwri_cPt: + case Hexagon::POST_STwri_cNotPt: + case Hexagon::POST_STwri_cdnPt_V4: + case Hexagon::POST_STwri_cdnNotPt_V4: + + // Store double word + case Hexagon::POST_STdri: + case Hexagon::POST_STdri_cPt: + case Hexagon::POST_STdri_cNotPt: + case Hexagon::POST_STdri_cdnPt_V4: + case Hexagon::POST_STdri_cdnNotPt_V4: + return true; + + default: + return false; + } +} + +bool HexagonInstrInfo::isSaveCalleeSavedRegsCall(const MachineInstr *MI) const { + return MI->getOpcode() == Hexagon::SAVE_REGISTERS_CALL_V4; +} bool HexagonInstrInfo::isPredicable(MachineInstr *MI) const { bool isPred = MI->getDesc().isPredicable(); @@ -1587,6 +2449,24 @@ isSpillPredRegOp(const MachineInstr *MI) const { return false; } +bool HexagonInstrInfo:: +isConditionalTransfer (const MachineInstr *MI) const { + switch (MI->getOpcode()) { + case Hexagon::TFR_cPt: + case Hexagon::TFR_cNotPt: + case Hexagon::TFRI_cPt: + case Hexagon::TFRI_cNotPt: + case Hexagon::TFR_cdnPt: + case Hexagon::TFR_cdnNotPt: + case Hexagon::TFRI_cdnPt: + case Hexagon::TFRI_cdnNotPt: + return true; + + default: + return false; + } + return false; +} bool HexagonInstrInfo::isConditionalALU32 (const MachineInstr* MI) const { const HexagonRegisterInfo& QRI = getRegisterInfo(); @@ -1626,7 +2506,6 @@ bool HexagonInstrInfo::isConditionalALU32 (const MachineInstr* MI) const { } } - bool HexagonInstrInfo:: isConditionalLoad (const MachineInstr* MI) const { const HexagonRegisterInfo& QRI = getRegisterInfo(); @@ -1700,6 +2579,136 @@ isConditionalLoad (const MachineInstr* MI) const { } } +// Returns true if an instruction is a conditional store. +// +// Note: It doesn't include conditional new-value stores as they can't be +// converted to .new predicate. +// +// p.new NV store [ if(p0.new)memw(R0+#0)=R2.new ] +// ^ ^ +// / \ (not OK. it will cause new-value store to be +// / X conditional on p0.new while R2 producer is +// / \ on p0) +// / \. +// p.new store p.old NV store +// [if(p0.new)memw(R0+#0)=R2] [if(p0)memw(R0+#0)=R2.new] +// ^ ^ +// \ / +// \ / +// \ / +// p.old store +// [if (p0)memw(R0+#0)=R2] +// +// The above diagram shows the steps involoved in the conversion of a predicated +// store instruction to its .new predicated new-value form. +// +// The following set of instructions further explains the scenario where +// conditional new-value store becomes invalid when promoted to .new predicate +// form. +// +// { 1) if (p0) r0 = add(r1, r2) +// 2) p0 = cmp.eq(r3, #0) } +// +// 3) if (p0) memb(r1+#0) = r0 --> this instruction can't be grouped with +// the first two instructions because in instr 1, r0 is conditional on old value +// of p0 but its use in instr 3 is conditional on p0 modified by instr 2 which +// is not valid for new-value stores. +bool HexagonInstrInfo:: +isConditionalStore (const MachineInstr* MI) const { + const HexagonRegisterInfo& QRI = getRegisterInfo(); + switch (MI->getOpcode()) + { + case Hexagon::STrib_imm_cPt_V4 : + case Hexagon::STrib_imm_cNotPt_V4 : + case Hexagon::STrib_indexed_shl_cPt_V4 : + case Hexagon::STrib_indexed_shl_cNotPt_V4 : + case Hexagon::STrib_cPt : + case Hexagon::STrib_cNotPt : + case Hexagon::POST_STbri_cPt : + case Hexagon::POST_STbri_cNotPt : + case Hexagon::STrid_indexed_cPt : + case Hexagon::STrid_indexed_cNotPt : + case Hexagon::STrid_indexed_shl_cPt_V4 : + case Hexagon::POST_STdri_cPt : + case Hexagon::POST_STdri_cNotPt : + case Hexagon::STrih_cPt : + case Hexagon::STrih_cNotPt : + case Hexagon::STrih_indexed_cPt : + case Hexagon::STrih_indexed_cNotPt : + case Hexagon::STrih_imm_cPt_V4 : + case Hexagon::STrih_imm_cNotPt_V4 : + case Hexagon::STrih_indexed_shl_cPt_V4 : + case Hexagon::STrih_indexed_shl_cNotPt_V4 : + case Hexagon::POST_SThri_cPt : + case Hexagon::POST_SThri_cNotPt : + case Hexagon::STriw_cPt : + case Hexagon::STriw_cNotPt : + case Hexagon::STriw_indexed_cPt : + case Hexagon::STriw_indexed_cNotPt : + case Hexagon::STriw_imm_cPt_V4 : + case Hexagon::STriw_imm_cNotPt_V4 : + case Hexagon::STriw_indexed_shl_cPt_V4 : + case Hexagon::STriw_indexed_shl_cNotPt_V4 : + case Hexagon::POST_STwri_cPt : + case Hexagon::POST_STwri_cNotPt : + 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 : + case Hexagon::STb_GP_cNotPt_V4 : + case Hexagon::STh_GP_cPt_V4 : + case Hexagon::STh_GP_cNotPt_V4 : + case Hexagon::STw_GP_cPt_V4 : + case Hexagon::STw_GP_cNotPt_V4 : + return QRI.Subtarget.hasV4TOps(); + + // Predicated new value stores (i.e. if (p0) memw(..)=r0.new) are excluded + // from the "Conditional Store" list. Because a predicated new value store + // would NOT be promoted to a double dot new store. See diagram below: + // This function returns yes for those stores that are predicated but not + // yet promoted to predicate dot new instructions. + // + // +---------------------+ + // /-----| if (p0) memw(..)=r0 |---------\~ + // || + |