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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
// This file contains the members of CodeGen that are defined and used
// only by the RyuJIT backend. It is included by CodeGen.h in the
// definition of the CodeGen class.
//
#ifndef LEGACY_BACKEND // Not necessary (it's this way in the #include location), but helpful to IntelliSense
void genSetRegToConst(regNumber targetReg, var_types targetType, GenTreePtr tree);
void genCodeForTreeNode(GenTreePtr treeNode);
void genCodeForBinary(GenTreePtr treeNode);
void genCodeForDivMod(GenTreeOp* treeNode);
void genCodeForMulHi(GenTreeOp* treeNode);
void genCodeForPow2Div(GenTreeOp* treeNode);
void genLeaInstruction(GenTreeAddrMode *lea);
void genSetRegToCond(regNumber dstReg, GenTreePtr tree);
void genIntToIntCast(GenTreePtr treeNode);
void genFloatToFloatCast(GenTreePtr treeNode);
void genFloatToIntCast(GenTreePtr treeNode);
void genIntToFloatCast(GenTreePtr treeNode);
void genCkfinite(GenTreePtr treeNode);
void genIntrinsic(GenTreePtr treeNode);
void genPutArgStk(GenTreePtr treeNode);
unsigned getBaseVarForPutArgStk(GenTreePtr treeNode);
#ifdef _TARGET_XARCH_
unsigned getFirstArgWithStackSlot();
#endif // !_TARGET_XARCH_
void genCompareFloat(GenTreePtr treeNode);
void genCompareInt(GenTreePtr treeNode);
#if !defined(_TARGET_64BIT_)
void genCompareLong(GenTreePtr treeNode);
#endif
#ifdef _TARGET_ARM64_
void genCodeForLdObj(GenTreeOp* treeNode);
#endif
#ifdef FEATURE_SIMD
instruction getOpForSIMDIntrinsic(SIMDIntrinsicID intrinsicId, var_types baseType, unsigned *ival = nullptr);
void genSIMDScalarMove(var_types type, regNumber target, regNumber src, bool zeroInit);
void genSIMDIntrinsicInit(GenTreeSIMD* simdNode);
void genSIMDIntrinsicInitN(GenTreeSIMD* simdNode);
void genSIMDIntrinsicInitArray(GenTreeSIMD* simdNode);
void genSIMDIntrinsicUnOp(GenTreeSIMD* simdNode);
void genSIMDIntrinsicBinOp(GenTreeSIMD* simdNode);
void genSIMDIntrinsicRelOp(GenTreeSIMD* simdNode);
void genSIMDIntrinsicDotProduct(GenTreeSIMD* simdNode);
void genSIMDIntrinsicSetItem(GenTreeSIMD* simdNode);
void genSIMDIntrinsicGetItem(GenTreeSIMD* simdNode);
void genSIMDIntrinsicShuffleSSE2(GenTreeSIMD* simdNode);
void genSIMDIntrinsicUpperSave(GenTreeSIMD* simdNode);
void genSIMDIntrinsicUpperRestore(GenTreeSIMD* simdNode);
void genSIMDIntrinsic(GenTreeSIMD* simdNode);
void genSIMDCheck(GenTree* treeNode);
// TYP_SIMD12 (i.e Vector3 of size 12 bytes) is not a hardware supported size and requires
// two reads/writes on 64-bit targets. These routines abstract reading/writing of Vector3
// values through an indirection. Note that Vector3 locals allocated on stack would have
// their size rounded to TARGET_POINTER_SIZE (which is 8 bytes on 64-bit targets) and hence
// Vector3 locals could be treated as TYP_SIMD16 while reading/writing.
void genStoreIndTypeSIMD12(GenTree* treeNode);
void genStoreLclFldTypeSIMD12(GenTree* treeNode);
void genLoadIndTypeSIMD12(GenTree* treeNode);
void genLoadLclFldTypeSIMD12(GenTree* treeNode);
#endif // FEATURE_SIMD
#if !defined(_TARGET_64BIT_)
// CodeGen for Long Ints
void genStoreLongLclVar(GenTree* treeNode);
#endif // !defined(_TARGET_64BIT_)
void genProduceReg(GenTree *tree);
void genUnspillRegIfNeeded(GenTree* tree);
regNumber genConsumeReg(GenTree *tree);
void genConsumeRegAndCopy(GenTree *tree, regNumber needReg);
void genConsumeIfReg(GenTreePtr tree)
{
if (!tree->isContained())
(void) genConsumeReg(tree);
}
void genRegCopy(GenTreePtr tree);
void genTransferRegGCState(regNumber dst, regNumber src);
void genConsumeAddress(GenTree* addr);
void genConsumeAddrMode(GenTreeAddrMode *mode);
void genConsumeBlockOp(GenTreeBlkOp* blkNode, regNumber dstReg, regNumber srcReg, regNumber sizeReg);
#ifdef FEATURE_UNIX_AMD64_STRUCT_PASSING
void genConsumePutStructArgStk(GenTreePutArgStk* putArgStkNode, regNumber dstReg, regNumber srcReg, regNumber sizeReg, unsigned baseVarNum);
#endif // FEATURE_UNIX_AMD64_STRUCT_PASSING
void genConsumeRegs(GenTree* tree);
void genConsumeOperands(GenTreeOp* tree);
void genEmitGSCookieCheck(bool pushReg);
void genSetRegToIcon (regNumber reg,
ssize_t val,
var_types type = TYP_INT,
insFlags flags = INS_FLAGS_DONT_CARE);
void genCodeForShift (GenTreePtr dst,
GenTreePtr src,
GenTreePtr treeNode);
void genCodeForCpObj (GenTreeCpObj* cpObjNode);
void genCodeForCpBlk (GenTreeCpBlk* cpBlkNode);
void genCodeForCpBlkRepMovs (GenTreeCpBlk* cpBlkNode);
void genCodeForCpBlkUnroll (GenTreeCpBlk* cpBlkNode);
#ifdef FEATURE_UNIX_AMD64_STRUCT_PASSING
void genPutStructArgStk(GenTreePtr treeNode, unsigned baseVarNum);
void genStructPutArgRepMovs(GenTreePutArgStk* putArgStkNode, unsigned baseVarNum);
void genStructPutArgUnroll(GenTreePutArgStk* putArgStkNode, unsigned baseVarNum);
#endif // FEATURE_UNIX_AMD64_STRUCT_PASSING
void genCodeForLoadOffset(instruction ins, emitAttr size, regNumber dst, GenTree* base, unsigned offset);
void genCodeForStoreOffset(instruction ins, emitAttr size, regNumber dst, GenTree* base, unsigned offset);
void genCodeForInitBlk (GenTreeInitBlk* initBlkNode);
void genCodeForInitBlkRepStos (GenTreeInitBlk* initBlkNode);
void genCodeForInitBlkUnroll (GenTreeInitBlk* initBlkNode);
void genJumpTable(GenTree* tree);
void genTableBasedSwitch(GenTree* tree);
void genCodeForArrIndex (GenTreeArrIndex* treeNode);
void genCodeForArrOffset (GenTreeArrOffs* treeNode);
instruction genGetInsForOper (genTreeOps oper, var_types type);
void genStoreInd(GenTreePtr node);
bool genEmitOptimizedGCWriteBarrier(GCInfo::WriteBarrierForm writeBarrierForm, GenTree* addr, GenTree* data);
void genCallInstruction(GenTreePtr call);
void genJmpMethod(GenTreePtr jmp);
bool genStoreRegisterReturnInLclVar(GenTreePtr treeNode);
// Deals with codegen for muti-register struct returns.
bool isStructReturn(GenTreePtr treeNode);
void genStructReturn(GenTreePtr treeNode);
// Codegen for GT_RETURN.
void genReturn(GenTreePtr treeNode);
#if defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)
void getStructTypeOffset(const SYSTEMV_AMD64_CORINFO_STRUCT_REG_PASSING_DESCRIPTOR& structDesc,
var_types* type0,
var_types* type1,
unsigned __int8* offset0,
unsigned __int8* offset1);
void getStructReturnRegisters(var_types type0,
var_types type1,
regNumber* retRegPtr0,
regNumber* retRegPtr1);
#endif // defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)
void genLclHeap(GenTreePtr tree);
bool genIsRegCandidateLocal (GenTreePtr tree)
{
if (!tree->IsLocal()) return false;
const LclVarDsc * varDsc = &compiler->lvaTable[tree->gtLclVarCommon.gtLclNum];
return(varDsc->lvIsRegCandidate());
}
#ifdef DEBUG
GenTree* lastConsumedNode;
void genCheckConsumeNode(GenTree* treeNode);
#else // !DEBUG
inline void genCheckConsumeNode(GenTree* treeNode) {}
#endif // DEBUG
#endif // !LEGACY_BACKEND
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