15ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka//===-- Mips16ISelLowering.h - Mips16 DAG Lowering Interface ----*- C++ -*-===// 25ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 35ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// The LLVM Compiler Infrastructure 45ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 55ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// This file is distributed under the University of Illinois Open Source 65ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// License. See LICENSE.TXT for details. 75ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 85ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka//===----------------------------------------------------------------------===// 95ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 105ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// Subclass of MipsTargetLowering specialized for mips16. 115ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 125ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka//===----------------------------------------------------------------------===// 135ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#include "Mips16ISelLowering.h" 1436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#include "MCTargetDesc/MipsBaseInfo.h" 155ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#include "MipsRegisterInfo.h" 1646090914b783b632618268f2a5c99aab83732688Reed Kotler#include "MipsTargetMachine.h" 1736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#include "llvm/ADT/StringRef.h" 185ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#include "llvm/CodeGen/MachineInstrBuilder.h" 195ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#include "llvm/Support/CommandLine.h" 205ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#include "llvm/Target/TargetInstrInfo.h" 2136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#include <string> 225ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 235ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakausing namespace llvm; 245ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 25dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines#define DEBUG_TYPE "mips-lower" 26dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 275ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakastatic cl::opt<bool> DontExpandCondPseudos16( 285ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka "mips16-dont-expand-cond-pseudo", 295ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka cl::init(false), 305ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka cl::desc("Dont expand conditional move related " 315ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka "pseudos for Mips 16"), 325ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka cl::Hidden); 335ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 345ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakanamespace { 3590cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramerstruct Mips16Libcall { 3690cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer RTLIB::Libcall Libcall; 3790cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer const char *Name; 3890cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer 3990cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer bool operator<(const Mips16Libcall &RHS) const { 4090cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer return std::strcmp(Name, RHS.Name) < 0; 4190cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer } 4290cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer}; 43b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler 44b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotlerstruct Mips16IntrinsicHelperType{ 45b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler const char* Name; 46b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler const char* Helper; 47b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler 48b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler bool operator<(const Mips16IntrinsicHelperType &RHS) const { 49b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler return std::strcmp(Name, RHS.Name) < 0; 50b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler } 51b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler bool operator==(const Mips16IntrinsicHelperType &RHS) const { 52b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler return std::strcmp(Name, RHS.Name) == 0; 53b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler } 54b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler}; 555ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 565ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 5790cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer// Libcalls for which no helper is generated. Sorted by name for binary search. 5890cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramerstatic const Mips16Libcall HardFloatLibCalls[] = { 5990cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::ADD_F64, "__mips16_adddf3" }, 6090cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::ADD_F32, "__mips16_addsf3" }, 6190cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::DIV_F64, "__mips16_divdf3" }, 6290cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::DIV_F32, "__mips16_divsf3" }, 6390cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::OEQ_F64, "__mips16_eqdf2" }, 6490cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::OEQ_F32, "__mips16_eqsf2" }, 6590cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::FPEXT_F32_F64, "__mips16_extendsfdf2" }, 6690cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::FPTOSINT_F64_I32, "__mips16_fix_truncdfsi" }, 6790cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::FPTOSINT_F32_I32, "__mips16_fix_truncsfsi" }, 6890cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::SINTTOFP_I32_F64, "__mips16_floatsidf" }, 6990cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::SINTTOFP_I32_F32, "__mips16_floatsisf" }, 7090cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::UINTTOFP_I32_F64, "__mips16_floatunsidf" }, 7190cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::UINTTOFP_I32_F32, "__mips16_floatunsisf" }, 7290cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::OGE_F64, "__mips16_gedf2" }, 7390cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::OGE_F32, "__mips16_gesf2" }, 7490cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::OGT_F64, "__mips16_gtdf2" }, 7590cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::OGT_F32, "__mips16_gtsf2" }, 7690cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::OLE_F64, "__mips16_ledf2" }, 7790cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::OLE_F32, "__mips16_lesf2" }, 7890cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::OLT_F64, "__mips16_ltdf2" }, 7990cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::OLT_F32, "__mips16_ltsf2" }, 8090cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::MUL_F64, "__mips16_muldf3" }, 8190cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::MUL_F32, "__mips16_mulsf3" }, 8290cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::UNE_F64, "__mips16_nedf2" }, 8390cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::UNE_F32, "__mips16_nesf2" }, 8490cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::UNKNOWN_LIBCALL, "__mips16_ret_dc" }, // No associated libcall. 8590cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::UNKNOWN_LIBCALL, "__mips16_ret_df" }, // No associated libcall. 8690cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::UNKNOWN_LIBCALL, "__mips16_ret_sc" }, // No associated libcall. 8790cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::UNKNOWN_LIBCALL, "__mips16_ret_sf" }, // No associated libcall. 8890cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::SUB_F64, "__mips16_subdf3" }, 8990cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::SUB_F32, "__mips16_subsf3" }, 9090cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::FPROUND_F64_F32, "__mips16_truncdfsf2" }, 9190cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::UO_F64, "__mips16_unorddf2" }, 9290cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer { RTLIB::UO_F32, "__mips16_unordsf2" } 9390cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer}; 9490cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer 95b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotlerstatic const Mips16IntrinsicHelperType Mips16IntrinsicHelper[] = { 961e07de352947aaf2f9137113cc594d8204da2b77Reed Kotler {"__fixunsdfsi", "__mips16_call_stub_2" }, 97b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"ceil", "__mips16_call_stub_df_2"}, 98b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"ceilf", "__mips16_call_stub_sf_1"}, 99b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"copysign", "__mips16_call_stub_df_10"}, 100b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"copysignf", "__mips16_call_stub_sf_5"}, 101b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"cos", "__mips16_call_stub_df_2"}, 102b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"cosf", "__mips16_call_stub_sf_1"}, 103b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"exp2", "__mips16_call_stub_df_2"}, 104b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"exp2f", "__mips16_call_stub_sf_1"}, 105b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"floor", "__mips16_call_stub_df_2"}, 106b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"floorf", "__mips16_call_stub_sf_1"}, 107b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"log2", "__mips16_call_stub_df_2"}, 108b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"log2f", "__mips16_call_stub_sf_1"}, 109b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"nearbyint", "__mips16_call_stub_df_2"}, 110b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"nearbyintf", "__mips16_call_stub_sf_1"}, 111b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"rint", "__mips16_call_stub_df_2"}, 112b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"rintf", "__mips16_call_stub_sf_1"}, 113b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"sin", "__mips16_call_stub_df_2"}, 114b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"sinf", "__mips16_call_stub_sf_1"}, 115b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"sqrt", "__mips16_call_stub_df_2"}, 116b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"sqrtf", "__mips16_call_stub_sf_1"}, 117b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"trunc", "__mips16_call_stub_df_2"}, 118b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler {"truncf", "__mips16_call_stub_sf_1"}, 119b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler}; 120b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler 1215ac065a79767cc112eba63136183b7103765d0d3Akira HatanakaMips16TargetLowering::Mips16TargetLowering(MipsTargetMachine &TM) 1225ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka : MipsTargetLowering(TM) { 123f8b0a08b6a2e2f4eacdb05eae9a8dd704b692b55Reed Kotler 1245ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // Set up the register classes 1255ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka addRegisterClass(MVT::i32, &Mips::CPU16RegsRegClass); 1265ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 12790cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer if (Subtarget->inMips16HardFloat()) 1285ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka setMips16HardFloatLibCalls(); 12990cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer 1305ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka setOperationAction(ISD::ATOMIC_FENCE, MVT::Other, Expand); 1315ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka setOperationAction(ISD::ATOMIC_CMP_SWAP, MVT::i32, Expand); 1325ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka setOperationAction(ISD::ATOMIC_SWAP, MVT::i32, Expand); 1335ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka setOperationAction(ISD::ATOMIC_LOAD_ADD, MVT::i32, Expand); 1345ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka setOperationAction(ISD::ATOMIC_LOAD_SUB, MVT::i32, Expand); 1355ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka setOperationAction(ISD::ATOMIC_LOAD_AND, MVT::i32, Expand); 1365ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka setOperationAction(ISD::ATOMIC_LOAD_OR, MVT::i32, Expand); 1375ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka setOperationAction(ISD::ATOMIC_LOAD_XOR, MVT::i32, Expand); 1385ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka setOperationAction(ISD::ATOMIC_LOAD_NAND, MVT::i32, Expand); 1395ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka setOperationAction(ISD::ATOMIC_LOAD_MIN, MVT::i32, Expand); 1405ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka setOperationAction(ISD::ATOMIC_LOAD_MAX, MVT::i32, Expand); 1415ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka setOperationAction(ISD::ATOMIC_LOAD_UMIN, MVT::i32, Expand); 1425ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka setOperationAction(ISD::ATOMIC_LOAD_UMAX, MVT::i32, Expand); 1435ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 144b359bda93d410623bbbc96dc9968d94447169a79Reed Kotler setOperationAction(ISD::ROTR, MVT::i32, Expand); 145b359bda93d410623bbbc96dc9968d94447169a79Reed Kotler setOperationAction(ISD::ROTR, MVT::i64, Expand); 146b359bda93d410623bbbc96dc9968d94447169a79Reed Kotler setOperationAction(ISD::BSWAP, MVT::i32, Expand); 147b359bda93d410623bbbc96dc9968d94447169a79Reed Kotler setOperationAction(ISD::BSWAP, MVT::i64, Expand); 148b359bda93d410623bbbc96dc9968d94447169a79Reed Kotler 1495ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka computeRegisterProperties(); 1505ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 1515ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 1525ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakaconst MipsTargetLowering * 1535ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakallvm::createMips16TargetLowering(MipsTargetMachine &TM) { 1545ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return new Mips16TargetLowering(TM); 1555ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 1565ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 1575ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakabool 15836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen HinesMips16TargetLowering::allowsUnalignedMemoryAccesses(EVT VT, 15936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines unsigned, 16036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines bool *Fast) const { 1615ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return false; 1625ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 1635ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 1645ac065a79767cc112eba63136183b7103765d0d3Akira HatanakaMachineBasicBlock * 1655ac065a79767cc112eba63136183b7103765d0d3Akira HatanakaMips16TargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI, 1665ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineBasicBlock *BB) const { 1675ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka switch (MI->getOpcode()) { 1685ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka default: 1695ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return MipsTargetLowering::EmitInstrWithCustomInserter(MI, BB); 1705ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SelBeqZ: 1715ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return emitSel16(Mips::BeqzRxImm16, MI, BB); 1725ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SelBneZ: 1735ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return emitSel16(Mips::BnezRxImm16, MI, BB); 1745ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SelTBteqZCmpi: 1751703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitSeliT16(Mips::Bteqz16, Mips::CmpiRxImmX16, MI, BB); 1765ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SelTBteqZSlti: 1771703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitSeliT16(Mips::Bteqz16, Mips::SltiRxImmX16, MI, BB); 1785ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SelTBteqZSltiu: 1791703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitSeliT16(Mips::Bteqz16, Mips::SltiuRxImmX16, MI, BB); 1805ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SelTBtneZCmpi: 1811703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitSeliT16(Mips::Btnez16, Mips::CmpiRxImmX16, MI, BB); 1825ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SelTBtneZSlti: 1831703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitSeliT16(Mips::Btnez16, Mips::SltiRxImmX16, MI, BB); 1845ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SelTBtneZSltiu: 1851703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitSeliT16(Mips::Btnez16, Mips::SltiuRxImmX16, MI, BB); 1865ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SelTBteqZCmp: 1871703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitSelT16(Mips::Bteqz16, Mips::CmpRxRy16, MI, BB); 1885ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SelTBteqZSlt: 1891703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitSelT16(Mips::Bteqz16, Mips::SltRxRy16, MI, BB); 1905ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SelTBteqZSltu: 1911703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitSelT16(Mips::Bteqz16, Mips::SltuRxRy16, MI, BB); 1925ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SelTBtneZCmp: 1931703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitSelT16(Mips::Btnez16, Mips::CmpRxRy16, MI, BB); 1945ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SelTBtneZSlt: 1951703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitSelT16(Mips::Btnez16, Mips::SltRxRy16, MI, BB); 1965ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SelTBtneZSltu: 1971703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitSelT16(Mips::Btnez16, Mips::SltuRxRy16, MI, BB); 1985ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::BteqzT8CmpX16: 1991703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitFEXT_T8I816_ins(Mips::Bteqz16, Mips::CmpRxRy16, MI, BB); 2005ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::BteqzT8SltX16: 2011703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitFEXT_T8I816_ins(Mips::Bteqz16, Mips::SltRxRy16, MI, BB); 2025ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::BteqzT8SltuX16: 2035ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // TBD: figure out a way to get this or remove the instruction 2045ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // altogether. 2051703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitFEXT_T8I816_ins(Mips::Bteqz16, Mips::SltuRxRy16, MI, BB); 2065ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::BtnezT8CmpX16: 2071703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitFEXT_T8I816_ins(Mips::Btnez16, Mips::CmpRxRy16, MI, BB); 2085ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::BtnezT8SltX16: 2091703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitFEXT_T8I816_ins(Mips::Btnez16, Mips::SltRxRy16, MI, BB); 2105ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::BtnezT8SltuX16: 2115ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // TBD: figure out a way to get this or remove the instruction 2125ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // altogether. 2131703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler return emitFEXT_T8I816_ins(Mips::Btnez16, Mips::SltuRxRy16, MI, BB); 2145ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::BteqzT8CmpiX16: return emitFEXT_T8I8I16_ins( 2151703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler Mips::Bteqz16, Mips::CmpiRxImm16, Mips::CmpiRxImmX16, false, MI, BB); 2165ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::BteqzT8SltiX16: return emitFEXT_T8I8I16_ins( 2171703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler Mips::Bteqz16, Mips::SltiRxImm16, Mips::SltiRxImmX16, true, MI, BB); 2185ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::BteqzT8SltiuX16: return emitFEXT_T8I8I16_ins( 2191703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler Mips::Bteqz16, Mips::SltiuRxImm16, Mips::SltiuRxImmX16, false, MI, BB); 2205ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::BtnezT8CmpiX16: return emitFEXT_T8I8I16_ins( 2211703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler Mips::Btnez16, Mips::CmpiRxImm16, Mips::CmpiRxImmX16, false, MI, BB); 2225ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::BtnezT8SltiX16: return emitFEXT_T8I8I16_ins( 2231703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler Mips::Btnez16, Mips::SltiRxImm16, Mips::SltiRxImmX16, true, MI, BB); 2245ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::BtnezT8SltiuX16: return emitFEXT_T8I8I16_ins( 2251703a714954f9ef0c32415423e2a1e15b152e711Reed Kotler Mips::Btnez16, Mips::SltiuRxImm16, Mips::SltiuRxImmX16, false, MI, BB); 2265ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka break; 2275ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SltCCRxRy16: 2285ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return emitFEXT_CCRX16_ins(Mips::SltRxRy16, MI, BB); 2295ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka break; 2305ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SltiCCRxImmX16: 2315ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return emitFEXT_CCRXI16_ins 2325ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka (Mips::SltiRxImm16, Mips::SltiRxImmX16, MI, BB); 2335ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SltiuCCRxImmX16: 2345ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return emitFEXT_CCRXI16_ins 2355ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka (Mips::SltiuRxImm16, Mips::SltiuRxImmX16, MI, BB); 2365ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka case Mips::SltuCCRxRy16: 2375ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return emitFEXT_CCRX16_ins 2385ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka (Mips::SltuRxRy16, MI, BB); 2395ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 2405ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 2415ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 2425ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakabool Mips16TargetLowering:: 2435ac065a79767cc112eba63136183b7103765d0d3Akira HatanakaisEligibleForTailCallOptimization(const MipsCC &MipsCCInfo, 2445ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka unsigned NextStackOffset, 2455ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka const MipsFunctionInfo& FI) const { 2465ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // No tail call optimization for mips16. 2475ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return false; 2485ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 2495ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 2505ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakavoid Mips16TargetLowering::setMips16HardFloatLibCalls() { 25190cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer for (unsigned I = 0; I != array_lengthof(HardFloatLibCalls); ++I) { 25290cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer assert((I == 0 || HardFloatLibCalls[I - 1] < HardFloatLibCalls[I]) && 25390cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer "Array not sorted!"); 25490cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer if (HardFloatLibCalls[I].Libcall != RTLIB::UNKNOWN_LIBCALL) 25590cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer setLibcallName(HardFloatLibCalls[I].Libcall, HardFloatLibCalls[I].Name); 25690cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer } 2575ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 25890cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer setLibcallName(RTLIB::O_F64, "__mips16_unorddf2"); 25990cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer setLibcallName(RTLIB::O_F32, "__mips16_unordsf2"); 26090cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer} 2615ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 2625ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 2635ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// The Mips16 hard float is a crazy quilt inherited from gcc. I have a much 2645ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// cleaner way to do all of this but it will have to wait until the traditional 2655ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// gcc mechanism is completed. 2665ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 2675ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// For Pic, in order for Mips16 code to call Mips32 code which according the abi 2685ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// have either arguments or returned values placed in floating point registers, 2695ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// we use a set of helper functions. (This includes functions which return type 2705ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// complex which on Mips are returned in a pair of floating point registers). 2715ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 2725ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// This is an encoding that we inherited from gcc. 2735ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// In Mips traditional O32, N32 ABI, floating point numbers are passed in 2745ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// floating point argument registers 1,2 only when the first and optionally 2755ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// the second arguments are float (sf) or double (df). 2765ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// For Mips16 we are only concerned with the situations where floating point 2775ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// arguments are being passed in floating point registers by the ABI, because 2785ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// Mips16 mode code cannot execute floating point instructions to load those 2795ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// values and hence helper functions are needed. 2805ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// The possibilities are (), (sf), (sf, sf), (sf, df), (df), (df, sf), (df, df) 2815ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// the helper function suffixs for these are: 2825ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 0, 1, 5, 9, 2, 6, 10 2835ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// this suffix can then be calculated as follows: 2845ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// for a given argument Arg: 2855ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// Arg1x, Arg2x = 1 : Arg is sf 2865ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 2 : Arg is df 2875ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 0: Arg is neither sf or df 2885ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// So this stub is the string for number Arg1x + Arg2x*4. 2895ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// However not all numbers between 0 and 10 are possible, we check anyway and 2905ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// assert if the impossible exists. 2915ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 2925ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 2935ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakaunsigned int Mips16TargetLowering::getMips16HelperFunctionStubNumber 2945ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka (ArgListTy &Args) const { 2955ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka unsigned int resultNum = 0; 2965ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (Args.size() >= 1) { 2975ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka Type *t = Args[0].Ty; 2985ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (t->isFloatTy()) { 2995ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka resultNum = 1; 3005ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 3015ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka else if (t->isDoubleTy()) { 3025ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka resultNum = 2; 3035ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 3045ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 3055ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (resultNum) { 3065ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (Args.size() >=2) { 3075ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka Type *t = Args[1].Ty; 3085ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (t->isFloatTy()) { 3095ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka resultNum += 4; 3105ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 3115ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka else if (t->isDoubleTy()) { 3125ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka resultNum += 8; 3135ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 3145ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 3155ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 3165ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return resultNum; 3175ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 3185ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 3195ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 3205ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// prefixs are attached to stub numbers depending on the return type . 3215ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// return type: float sf_ 3225ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// double df_ 3235ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// single complex sc_ 3245ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// double complext dc_ 3255ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// others NO PREFIX 3265ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 3275ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 3285ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// The full name of a helper function is__mips16_call_stub + 3295ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// return type dependent prefix + stub number 3305ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 3315ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 3325ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// This is something that probably should be in a different source file and 3335ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// perhaps done differently but my main purpose is to not waste runtime 3345ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// on something that we can enumerate in the source. Another possibility is 3355ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// to have a python script to generate these mapping tables. This will do 3365ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// for now. There are a whole series of helper function mapping arrays, one 3375ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// for each return type class as outlined above. There there are 11 possible 3385ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// entries. Ones with 0 are ones which should never be selected 3395ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 3405ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// All the arrays are similar except for ones which return neither 3415ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// sf, df, sc, dc, in which only care about ones which have sf or df as a 3425ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// first parameter. 3435ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka// 3445ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#define P_ "__mips16_call_stub_" 3455ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#define MAX_STUB_NUMBER 10 3465ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#define T1 P "1", P "2", 0, 0, P "5", P "6", 0, 0, P "9", P "10" 3475ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#define T P "0" , T1 3485ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#define P P_ 3495ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakastatic char const * vMips16Helper[MAX_STUB_NUMBER+1] = 350dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines {nullptr, T1 }; 3515ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#undef P 3525ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#define P P_ "sf_" 3535ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakastatic char const * sfMips16Helper[MAX_STUB_NUMBER+1] = 3545ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka { T }; 3555ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#undef P 3565ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#define P P_ "df_" 3575ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakastatic char const * dfMips16Helper[MAX_STUB_NUMBER+1] = 3585ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka { T }; 3595ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#undef P 3605ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#define P P_ "sc_" 3615ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakastatic char const * scMips16Helper[MAX_STUB_NUMBER+1] = 3625ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka { T }; 3635ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#undef P 3645ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#define P P_ "dc_" 3655ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakastatic char const * dcMips16Helper[MAX_STUB_NUMBER+1] = 3665ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka { T }; 3675ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#undef P 3685ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#undef P_ 3695ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 3705ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 3715ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakaconst char* Mips16TargetLowering:: 3725ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka getMips16HelperFunction 3735ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka (Type* RetTy, ArgListTy &Args, bool &needHelper) const { 3745ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka const unsigned int stubNum = getMips16HelperFunctionStubNumber(Args); 3755ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#ifndef NDEBUG 3765ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka const unsigned int maxStubNum = 10; 3775ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka assert(stubNum <= maxStubNum); 3785ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka const bool validStubNum[maxStubNum+1] = 3795ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka {true, true, true, false, false, true, true, false, false, true, true}; 3805ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka assert(validStubNum[stubNum]); 3815ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka#endif 3825ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka const char *result; 3835ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (RetTy->isFloatTy()) { 3845ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka result = sfMips16Helper[stubNum]; 3855ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 3865ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka else if (RetTy ->isDoubleTy()) { 3875ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka result = dfMips16Helper[stubNum]; 3885ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 3895ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka else if (RetTy->isStructTy()) { 3905ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // check if it's complex 3915ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (RetTy->getNumContainedTypes() == 2) { 3925ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if ((RetTy->getContainedType(0)->isFloatTy()) && 3935ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka (RetTy->getContainedType(1)->isFloatTy())) { 3945ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka result = scMips16Helper[stubNum]; 3955ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 3965ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka else if ((RetTy->getContainedType(0)->isDoubleTy()) && 3975ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka (RetTy->getContainedType(1)->isDoubleTy())) { 3985ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka result = dcMips16Helper[stubNum]; 3995ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 4005ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka else { 4015ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka llvm_unreachable("Uncovered condition"); 4025ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 4035ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 4045ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka else { 4055ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka llvm_unreachable("Uncovered condition"); 4065ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 4075ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 4085ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka else { 4095ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (stubNum == 0) { 4105ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka needHelper = false; 4115ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return ""; 4125ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 4135ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka result = vMips16Helper[stubNum]; 4145ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 4155ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka needHelper = true; 4165ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return result; 4175ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 4185ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 4195ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakavoid Mips16TargetLowering:: 4205ac065a79767cc112eba63136183b7103765d0d3Akira HatanakagetOpndList(SmallVectorImpl<SDValue> &Ops, 4215ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka std::deque< std::pair<unsigned, SDValue> > &RegsToPass, 4225ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka bool IsPICCall, bool GlobalOrExternal, bool InternalLinkage, 4235ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka CallLoweringInfo &CLI, SDValue Callee, SDValue Chain) const { 4245ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka SelectionDAG &DAG = CLI.DAG; 4256ff59a16a05d43fdda587ce600b5b42a63cf3d33Akira Hatanaka MachineFunction &MF = DAG.getMachineFunction(); 4266ff59a16a05d43fdda587ce600b5b42a63cf3d33Akira Hatanaka MipsFunctionInfo *FuncInfo = MF.getInfo<MipsFunctionInfo>(); 427dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines const char* Mips16HelperFunction = nullptr; 4285ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka bool NeedMips16Helper = false; 4295ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 43036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines if (Subtarget->inMips16HardFloat()) { 4315ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // 4325ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // currently we don't have symbols tagged with the mips16 or mips32 4335ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // qualifier so we will assume that we don't know what kind it is. 4345ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // and generate the helper 4355ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // 4365ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka bool LookupHelper = true; 4375ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (ExternalSymbolSDNode *S = dyn_cast<ExternalSymbolSDNode>(CLI.Callee)) { 43890cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer Mips16Libcall Find = { RTLIB::UNKNOWN_LIBCALL, S->getSymbol() }; 43990cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer 440dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (std::binary_search(std::begin(HardFloatLibCalls), 441dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines std::end(HardFloatLibCalls), Find)) 4425ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka LookupHelper = false; 443b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler else { 44436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines const char *Symbol = S->getSymbol(); 44536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Mips16IntrinsicHelperType IntrinsicFind = { Symbol, "" }; 44636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines const Mips16HardFloatInfo::FuncSignature *Signature = 44736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Mips16HardFloatInfo::findFuncSignature(Symbol); 44836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines if (!IsPICCall && (Signature && (FuncInfo->StubsNeeded.find(Symbol) == 44936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines FuncInfo->StubsNeeded.end()))) { 45036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines FuncInfo->StubsNeeded[Symbol] = Signature; 45136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // 45236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // S2 is normally saved if the stub is for a function which 45336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // returns a float or double value and is not otherwise. This is 45436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // because more work is required after the function the stub 45536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // is calling completes, and so the stub cannot directly return 45636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // and the stub has no stack space to store the return address so 45736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // S2 is used for that purpose. 45836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // In order to take advantage of not saving S2, we need to also 45936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // optimize the call in the stub and this requires some further 46036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // functionality in MipsAsmPrinter which we don't have yet. 46136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // So for now we always save S2. The optimization will be done 46236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // in a follow-on patch. 46336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // 46436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines if (1 || (Signature->RetSig != Mips16HardFloatInfo::NoFPRet)) 46536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines FuncInfo->setSaveS2(); 46636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines } 467b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler // one more look at list of intrinsics 468dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines const Mips16IntrinsicHelperType *Helper = 469dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines std::lower_bound(std::begin(Mips16IntrinsicHelper), 470dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines std::end(Mips16IntrinsicHelper), IntrinsicFind); 471dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (Helper != std::end(Mips16IntrinsicHelper) && 472dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines *Helper == IntrinsicFind) { 473dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines Mips16HelperFunction = Helper->Helper; 474b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler NeedMips16Helper = true; 475b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler LookupHelper = false; 476b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler } 477b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler 478b1fa7d4d26533bdd021c3269d14c30eb6096fb7aReed Kotler } 47990cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer } else if (GlobalAddressSDNode *G = 48090cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer dyn_cast<GlobalAddressSDNode>(CLI.Callee)) { 48190cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer Mips16Libcall Find = { RTLIB::UNKNOWN_LIBCALL, 48290cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer G->getGlobal()->getName().data() }; 48390cd06e90be1db06bc4812ae9ec96b6638847285Benjamin Kramer 484dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (std::binary_search(std::begin(HardFloatLibCalls), 485dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines std::end(HardFloatLibCalls), Find)) 486bf00bf9ad2f07c5c06986930842ace28b8fb2518Reed Kotler LookupHelper = false; 487bf00bf9ad2f07c5c06986930842ace28b8fb2518Reed Kotler } 488dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (LookupHelper) 489dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines Mips16HelperFunction = 490dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines getMips16HelperFunction(CLI.RetTy, CLI.getArgs(), NeedMips16Helper); 4915ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 4925ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 4935ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka SDValue JumpTarget = Callee; 4945ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 4955ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // T9 should contain the address of the callee function if 4965ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // -reloction-model=pic or it is an indirect call. 4975ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (IsPICCall || !GlobalOrExternal) { 4985ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka unsigned V0Reg = Mips::V0; 4995ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (NeedMips16Helper) { 5005ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka RegsToPass.push_front(std::make_pair(V0Reg, Callee)); 5015ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka JumpTarget = DAG.getExternalSymbol(Mips16HelperFunction, getPointerTy()); 5026ff59a16a05d43fdda587ce600b5b42a63cf3d33Akira Hatanaka ExternalSymbolSDNode *S = cast<ExternalSymbolSDNode>(JumpTarget); 5036ff59a16a05d43fdda587ce600b5b42a63cf3d33Akira Hatanaka JumpTarget = getAddrGlobal(S, JumpTarget.getValueType(), DAG, 5046ff59a16a05d43fdda587ce600b5b42a63cf3d33Akira Hatanaka MipsII::MO_GOT, Chain, 5056ff59a16a05d43fdda587ce600b5b42a63cf3d33Akira Hatanaka FuncInfo->callPtrInfo(S->getSymbol())); 5065ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } else 5075ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka RegsToPass.push_front(std::make_pair((unsigned)Mips::T9, Callee)); 5085ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka } 5095ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 5105ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka Ops.push_back(JumpTarget); 5115ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 5125ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MipsTargetLowering::getOpndList(Ops, RegsToPass, IsPICCall, GlobalOrExternal, 5135ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka InternalLinkage, CLI, Callee, Chain); 5145ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 5155ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 5165ac065a79767cc112eba63136183b7103765d0d3Akira HatanakaMachineBasicBlock *Mips16TargetLowering:: 5175ac065a79767cc112eba63136183b7103765d0d3Akira HatanakaemitSel16(unsigned Opc, MachineInstr *MI, MachineBasicBlock *BB) const { 5185ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (DontExpandCondPseudos16) 5195ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return BB; 5205ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka const TargetInstrInfo *TII = getTargetMachine().getInstrInfo(); 5215ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka DebugLoc DL = MI->getDebugLoc(); 5225ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // To "insert" a SELECT_CC instruction, we actually have to insert the 5235ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // diamond control-flow pattern. The incoming instruction knows the 5245ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // destination vreg to set, the condition code register to branch on, the 5255ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // true/false values to select between, and a branch opcode to use. 5265ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka const BasicBlock *LLVM_BB = BB->getBasicBlock(); 5275ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineFunction::iterator It = BB; 5285ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka ++It; 5295ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 5305ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // thisMBB: 5315ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // ... 5325ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // TrueVal = ... 5335ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // setcc r1, r2, r3 5345ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // bNE r1, r0, copy1MBB 5355ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // fallthrough --> copy0MBB 5365ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineBasicBlock *thisMBB = BB; 5375ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineFunction *F = BB->getParent(); 5385ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineBasicBlock *copy0MBB = F->CreateMachineBasicBlock(LLVM_BB); 5395ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineBasicBlock *sinkMBB = F->CreateMachineBasicBlock(LLVM_BB); 5405ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka F->insert(It, copy0MBB); 5415ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka F->insert(It, sinkMBB); 5425ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 5435ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // Transfer the remainder of BB and its successor edges to sinkMBB. 5445ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka sinkMBB->splice(sinkMBB->begin(), BB, 54536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines std::next(MachineBasicBlock::iterator(MI)), BB->end()); 5465ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka sinkMBB->transferSuccessorsAndUpdatePHIs(BB); 5475ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 5485ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // Next, add the true and fallthrough blocks as its successors. 5495ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BB->addSuccessor(copy0MBB); 5505ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BB->addSuccessor(sinkMBB); 5515ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 5525ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BuildMI(BB, DL, TII->get(Opc)).addReg(MI->getOperand(3).getReg()) 5535ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka .addMBB(sinkMBB); 5545ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 5555ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // copy0MBB: 5565ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // %FalseValue = ... 5575ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // # fallthrough to sinkMBB 5585ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BB = copy0MBB; 5595ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 5605ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // Update machine-CFG edges 5615ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BB->addSuccessor(sinkMBB); 5625ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 5635ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // sinkMBB: 5645ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // %Result = phi [ %TrueValue, thisMBB ], [ %FalseValue, copy0MBB ] 5655ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // ... 5665ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BB = sinkMBB; 5675ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 5685ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BuildMI(*BB, BB->begin(), DL, 5695ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka TII->get(Mips::PHI), MI->getOperand(0).getReg()) 5705ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka .addReg(MI->getOperand(1).getReg()).addMBB(thisMBB) 5715ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka .addReg(MI->getOperand(2).getReg()).addMBB(copy0MBB); 5725ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 5735ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MI->eraseFromParent(); // The pseudo instruction is gone now. 5745ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return BB; 5755ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 5765ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 5775ac065a79767cc112eba63136183b7103765d0d3Akira HatanakaMachineBasicBlock *Mips16TargetLowering::emitSelT16 5785ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka (unsigned Opc1, unsigned Opc2, 5795ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineInstr *MI, MachineBasicBlock *BB) const { 5805ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (DontExpandCondPseudos16) 5815ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return BB; 5825ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka const TargetInstrInfo *TII = getTargetMachine().getInstrInfo(); 5835ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka DebugLoc DL = MI->getDebugLoc(); 5845ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // To "insert" a SELECT_CC instruction, we actually have to insert the 5855ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // diamond control-flow pattern. The incoming instruction knows the 5865ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // destination vreg to set, the condition code register to branch on, the 5875ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // true/false values to select between, and a branch opcode to use. 5885ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka const BasicBlock *LLVM_BB = BB->getBasicBlock(); 5895ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineFunction::iterator It = BB; 5905ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka ++It; 5915ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 5925ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // thisMBB: 5935ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // ... 5945ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // TrueVal = ... 5955ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // setcc r1, r2, r3 5965ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // bNE r1, r0, copy1MBB 5975ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // fallthrough --> copy0MBB 5985ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineBasicBlock *thisMBB = BB; 5995ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineFunction *F = BB->getParent(); 6005ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineBasicBlock *copy0MBB = F->CreateMachineBasicBlock(LLVM_BB); 6015ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineBasicBlock *sinkMBB = F->CreateMachineBasicBlock(LLVM_BB); 6025ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka F->insert(It, copy0MBB); 6035ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka F->insert(It, sinkMBB); 6045ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6055ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // Transfer the remainder of BB and its successor edges to sinkMBB. 6065ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka sinkMBB->splice(sinkMBB->begin(), BB, 60736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines std::next(MachineBasicBlock::iterator(MI)), BB->end()); 6085ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka sinkMBB->transferSuccessorsAndUpdatePHIs(BB); 6095ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6105ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // Next, add the true and fallthrough blocks as its successors. 6115ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BB->addSuccessor(copy0MBB); 6125ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BB->addSuccessor(sinkMBB); 6135ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6145ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BuildMI(BB, DL, TII->get(Opc2)).addReg(MI->getOperand(3).getReg()) 6155ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka .addReg(MI->getOperand(4).getReg()); 6165ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BuildMI(BB, DL, TII->get(Opc1)).addMBB(sinkMBB); 6175ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6185ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // copy0MBB: 6195ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // %FalseValue = ... 6205ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // # fallthrough to sinkMBB 6215ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BB = copy0MBB; 6225ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6235ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // Update machine-CFG edges 6245ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BB->addSuccessor(sinkMBB); 6255ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6265ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // sinkMBB: 6275ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // %Result = phi [ %TrueValue, thisMBB ], [ %FalseValue, copy0MBB ] 6285ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // ... 6295ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BB = sinkMBB; 6305ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6315ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BuildMI(*BB, BB->begin(), DL, 6325ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka TII->get(Mips::PHI), MI->getOperand(0).getReg()) 6335ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka .addReg(MI->getOperand(1).getReg()).addMBB(thisMBB) 6345ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka .addReg(MI->getOperand(2).getReg()).addMBB(copy0MBB); 6355ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6365ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MI->eraseFromParent(); // The pseudo instruction is gone now. 6375ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return BB; 6385ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6395ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 6405ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6415ac065a79767cc112eba63136183b7103765d0d3Akira HatanakaMachineBasicBlock *Mips16TargetLowering::emitSeliT16 6425ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka (unsigned Opc1, unsigned Opc2, 6435ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineInstr *MI, MachineBasicBlock *BB) const { 6445ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (DontExpandCondPseudos16) 6455ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return BB; 6465ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka const TargetInstrInfo *TII = getTargetMachine().getInstrInfo(); 6475ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka DebugLoc DL = MI->getDebugLoc(); 6485ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // To "insert" a SELECT_CC instruction, we actually have to insert the 6495ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // diamond control-flow pattern. The incoming instruction knows the 6505ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // destination vreg to set, the condition code register to branch on, the 6515ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // true/false values to select between, and a branch opcode to use. 6525ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka const BasicBlock *LLVM_BB = BB->getBasicBlock(); 6535ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineFunction::iterator It = BB; 6545ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka ++It; 6555ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6565ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // thisMBB: 6575ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // ... 6585ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // TrueVal = ... 6595ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // setcc r1, r2, r3 6605ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // bNE r1, r0, copy1MBB 6615ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // fallthrough --> copy0MBB 6625ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineBasicBlock *thisMBB = BB; 6635ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineFunction *F = BB->getParent(); 6645ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineBasicBlock *copy0MBB = F->CreateMachineBasicBlock(LLVM_BB); 6655ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineBasicBlock *sinkMBB = F->CreateMachineBasicBlock(LLVM_BB); 6665ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka F->insert(It, copy0MBB); 6675ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka F->insert(It, sinkMBB); 6685ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6695ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // Transfer the remainder of BB and its successor edges to sinkMBB. 6705ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka sinkMBB->splice(sinkMBB->begin(), BB, 67136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines std::next(MachineBasicBlock::iterator(MI)), BB->end()); 6725ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka sinkMBB->transferSuccessorsAndUpdatePHIs(BB); 6735ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6745ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // Next, add the true and fallthrough blocks as its successors. 6755ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BB->addSuccessor(copy0MBB); 6765ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BB->addSuccessor(sinkMBB); 6775ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6785ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BuildMI(BB, DL, TII->get(Opc2)).addReg(MI->getOperand(3).getReg()) 6795ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka .addImm(MI->getOperand(4).getImm()); 6805ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BuildMI(BB, DL, TII->get(Opc1)).addMBB(sinkMBB); 6815ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6825ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // copy0MBB: 6835ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // %FalseValue = ... 6845ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // # fallthrough to sinkMBB 6855ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BB = copy0MBB; 6865ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6875ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // Update machine-CFG edges 6885ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BB->addSuccessor(sinkMBB); 6895ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6905ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // sinkMBB: 6915ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // %Result = phi [ %TrueValue, thisMBB ], [ %FalseValue, copy0MBB ] 6925ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka // ... 6935ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BB = sinkMBB; 6945ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 6955ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BuildMI(*BB, BB->begin(), DL, 6965ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka TII->get(Mips::PHI), MI->getOperand(0).getReg()) 6975ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka .addReg(MI->getOperand(1).getReg()).addMBB(thisMBB) 6985ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka .addReg(MI->getOperand(2).getReg()).addMBB(copy0MBB); 6995ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 7005ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MI->eraseFromParent(); // The pseudo instruction is gone now. 7015ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return BB; 7025ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 7035ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 7045ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 7055ac065a79767cc112eba63136183b7103765d0d3Akira HatanakaMachineBasicBlock 7065ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka *Mips16TargetLowering::emitFEXT_T8I816_ins(unsigned BtOpc, unsigned CmpOpc, 7075ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineInstr *MI, 7085ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineBasicBlock *BB) const { 7095ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (DontExpandCondPseudos16) 7105ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return BB; 7115ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka const TargetInstrInfo *TII = getTargetMachine().getInstrInfo(); 7125ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka unsigned regX = MI->getOperand(0).getReg(); 7135ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka unsigned regY = MI->getOperand(1).getReg(); 7145ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineBasicBlock *target = MI->getOperand(2).getMBB(); 715b109ea8245e2948ea6d06a6e6cbab7c6788da211Akira Hatanaka BuildMI(*BB, MI, MI->getDebugLoc(), TII->get(CmpOpc)).addReg(regX) 716b109ea8245e2948ea6d06a6e6cbab7c6788da211Akira Hatanaka .addReg(regY); 7175ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BuildMI(*BB, MI, MI->getDebugLoc(), TII->get(BtOpc)).addMBB(target); 7185ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MI->eraseFromParent(); // The pseudo instruction is gone now. 7195ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return BB; 7205ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 7215ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 7225ac065a79767cc112eba63136183b7103765d0d3Akira HatanakaMachineBasicBlock *Mips16TargetLowering::emitFEXT_T8I8I16_ins( 723b0ee97a366a07c05b2c8ab314e29f5e72a9b7bfbReed Kotler unsigned BtOpc, unsigned CmpiOpc, unsigned CmpiXOpc, bool ImmSigned, 7245ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineInstr *MI, MachineBasicBlock *BB) const { 7255ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (DontExpandCondPseudos16) 7265ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return BB; 7275ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka const TargetInstrInfo *TII = getTargetMachine().getInstrInfo(); 7285ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka unsigned regX = MI->getOperand(0).getReg(); 7295ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka int64_t imm = MI->getOperand(1).getImm(); 7305ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineBasicBlock *target = MI->getOperand(2).getMBB(); 7315ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka unsigned CmpOpc; 7325ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (isUInt<8>(imm)) 7335ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka CmpOpc = CmpiOpc; 734b0ee97a366a07c05b2c8ab314e29f5e72a9b7bfbReed Kotler else if ((!ImmSigned && isUInt<16>(imm)) || 735b0ee97a366a07c05b2c8ab314e29f5e72a9b7bfbReed Kotler (ImmSigned && isInt<16>(imm))) 7365ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka CmpOpc = CmpiXOpc; 7375ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka else 7385ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka llvm_unreachable("immediate field not usable"); 739b109ea8245e2948ea6d06a6e6cbab7c6788da211Akira Hatanaka BuildMI(*BB, MI, MI->getDebugLoc(), TII->get(CmpOpc)).addReg(regX) 740b109ea8245e2948ea6d06a6e6cbab7c6788da211Akira Hatanaka .addImm(imm); 7415ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BuildMI(*BB, MI, MI->getDebugLoc(), TII->get(BtOpc)).addMBB(target); 7425ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MI->eraseFromParent(); // The pseudo instruction is gone now. 7435ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return BB; 7445ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 7455ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 7465ac065a79767cc112eba63136183b7103765d0d3Akira Hatanakastatic unsigned Mips16WhichOp8uOr16simm 7475ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka (unsigned shortOp, unsigned longOp, int64_t Imm) { 7485ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (isUInt<8>(Imm)) 7495ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return shortOp; 7505ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka else if (isInt<16>(Imm)) 7515ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return longOp; 7525ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka else 7535ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka llvm_unreachable("immediate field not usable"); 7545ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 7555ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 7565ac065a79767cc112eba63136183b7103765d0d3Akira HatanakaMachineBasicBlock *Mips16TargetLowering::emitFEXT_CCRX16_ins( 7575ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka unsigned SltOpc, 7585ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineInstr *MI, MachineBasicBlock *BB) const { 7595ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (DontExpandCondPseudos16) 7605ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return BB; 7615ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka const TargetInstrInfo *TII = getTargetMachine().getInstrInfo(); 7625ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka unsigned CC = MI->getOperand(0).getReg(); 7635ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka unsigned regX = MI->getOperand(1).getReg(); 7645ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka unsigned regY = MI->getOperand(2).getReg(); 76536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines BuildMI(*BB, MI, MI->getDebugLoc(), TII->get(SltOpc)).addReg(regX).addReg( 76636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines regY); 7675ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BuildMI(*BB, MI, MI->getDebugLoc(), 7685ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka TII->get(Mips::MoveR3216), CC).addReg(Mips::T8); 7695ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MI->eraseFromParent(); // The pseudo instruction is gone now. 7705ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return BB; 7715ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 7725ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 7735ac065a79767cc112eba63136183b7103765d0d3Akira HatanakaMachineBasicBlock *Mips16TargetLowering::emitFEXT_CCRXI16_ins( 7745ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka unsigned SltiOpc, unsigned SltiXOpc, 7755ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MachineInstr *MI, MachineBasicBlock *BB )const { 7765ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka if (DontExpandCondPseudos16) 7775ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return BB; 7785ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka const TargetInstrInfo *TII = getTargetMachine().getInstrInfo(); 7795ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka unsigned CC = MI->getOperand(0).getReg(); 7805ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka unsigned regX = MI->getOperand(1).getReg(); 7815ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka int64_t Imm = MI->getOperand(2).getImm(); 7825ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka unsigned SltOpc = Mips16WhichOp8uOr16simm(SltiOpc, SltiXOpc, Imm); 7835ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BuildMI(*BB, MI, MI->getDebugLoc(), 7845ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka TII->get(SltOpc)).addReg(regX).addImm(Imm); 7855ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka BuildMI(*BB, MI, MI->getDebugLoc(), 7865ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka TII->get(Mips::MoveR3216), CC).addReg(Mips::T8); 7875ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka MI->eraseFromParent(); // The pseudo instruction is gone now. 7885ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka return BB; 7895ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka 7905ac065a79767cc112eba63136183b7103765d0d3Akira Hatanaka} 791