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Diffstat (limited to 'vm/compiler/codegen/arm/Ralloc.h')
| -rw-r--r-- | vm/compiler/codegen/arm/Ralloc.h | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/vm/compiler/codegen/arm/Ralloc.h b/vm/compiler/codegen/arm/Ralloc.h deleted file mode 100644 index cc3e60587..000000000 --- a/vm/compiler/codegen/arm/Ralloc.h +++ /dev/null @@ -1,206 +0,0 @@ -/* - * Copyright (C) 2009 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* - * This file contains register alloction support and is intended to be - * included by: - * - * Codegen-$(TARGET_ARCH_VARIANT).c - * - */ - -#include "compiler/CompilerUtility.h" -#include "compiler/CompilerIR.h" -#include "compiler/Dataflow.h" -#include "compiler/codegen/arm/ArmLIR.h" - -/* - * Return most flexible allowed register class based on size. - * Bug: 2813841 - * Must use a core register for data types narrower than word (due - * to possible unaligned load/store. - */ -static inline RegisterClass dvmCompilerRegClassBySize(OpSize size) -{ - return (size == kUnsignedHalf || - size == kSignedHalf || - size == kUnsignedByte || - size == kSignedByte ) ? kCoreReg : kAnyReg; -} - -static inline int dvmCompilerS2VReg(CompilationUnit *cUnit, int sReg) -{ - assert(sReg != INVALID_SREG); - return DECODE_REG(dvmConvertSSARegToDalvik(cUnit, sReg)); -} - -/* Reset the tracker to unknown state */ -static inline void dvmCompilerResetNullCheck(CompilationUnit *cUnit) -{ - dvmClearAllBits(cUnit->regPool->nullCheckedRegs); -} - -/* - * Get the "real" sreg number associated with an sReg slot. In general, - * sReg values passed through codegen are the SSA names created by - * dataflow analysis and refer to slot numbers in the cUnit->regLocation - * array. However, renaming is accomplished by simply replacing RegLocation - * entries in the cUnit->reglocation[] array. Therefore, when location - * records for operands are first created, we need to ask the locRecord - * identified by the dataflow pass what it's new name is. - */ - -static inline int dvmCompilerSRegHi(int lowSreg) { - return (lowSreg == INVALID_SREG) ? INVALID_SREG : lowSreg + 1; -} - - -static inline bool dvmCompilerLiveOut(CompilationUnit *cUnit, int sReg) -{ - //TODO: fully implement - return true; -} - -static inline int dvmCompilerSSASrc(MIR *mir, int num) -{ - assert(mir->ssaRep->numUses > num); - return mir->ssaRep->uses[num]; -} - -extern RegLocation dvmCompilerEvalLoc(CompilationUnit *cUnit, RegLocation loc, - int regClass, bool update); -/* Mark a temp register as dead. Does not affect allocation state. */ -extern void dvmCompilerClobber(CompilationUnit *cUnit, int reg); - -extern RegLocation dvmCompilerUpdateLoc(CompilationUnit *cUnit, - RegLocation loc); - -/* see comments for updateLoc */ -extern RegLocation dvmCompilerUpdateLocWide(CompilationUnit *cUnit, - RegLocation loc); - -/* Clobber all of the temps that might be used by a handler. */ -extern void dvmCompilerClobberHandlerRegs(CompilationUnit *cUnit); - -extern void dvmCompilerMarkLive(CompilationUnit *cUnit, int reg, int sReg); - -extern void dvmCompilerMarkDirty(CompilationUnit *cUnit, int reg); - -extern void dvmCompilerMarkPair(CompilationUnit *cUnit, int lowReg, - int highReg); - -extern void dvmCompilerMarkClean(CompilationUnit *cUnit, int reg); - -extern void dvmCompilerResetDef(CompilationUnit *cUnit, int reg); - -extern void dvmCompilerResetDefLoc(CompilationUnit *cUnit, RegLocation rl); - -/* Set up temp & preserved register pools specialized by target */ -extern void dvmCompilerInitPool(RegisterInfo *regs, int *regNums, int num); - -/* - * Mark the beginning and end LIR of a def sequence. Note that - * on entry start points to the LIR prior to the beginning of the - * sequence. - */ -extern void dvmCompilerMarkDef(CompilationUnit *cUnit, RegLocation rl, - LIR *start, LIR *finish); -/* - * Mark the beginning and end LIR of a def sequence. Note that - * on entry start points to the LIR prior to the beginning of the - * sequence. - */ -extern void dvmCompilerMarkDefWide(CompilationUnit *cUnit, RegLocation rl, - LIR *start, LIR *finish); - -extern RegLocation dvmCompilerGetSrcWide(CompilationUnit *cUnit, MIR *mir, - int low, int high); - -extern RegLocation dvmCompilerGetDestWide(CompilationUnit *cUnit, MIR *mir, - int low, int high); -// Get the LocRecord associated with an SSA name use. -extern RegLocation dvmCompilerGetSrc(CompilationUnit *cUnit, MIR *mir, int num); - -// Get the LocRecord associated with an SSA name def. -extern RegLocation dvmCompilerGetDest(CompilationUnit *cUnit, MIR *mir, - int num); - -extern RegLocation dvmCompilerGetReturnWide(CompilationUnit *cUnit); - -/* Clobber all regs that might be used by an external C call */ -extern void dvmCompilerClobberCallRegs(CompilationUnit *cUnit); - -extern RegisterInfo *dvmCompilerIsTemp(CompilationUnit *cUnit, int reg); - -extern void dvmCompilerMarkInUse(CompilationUnit *cUnit, int reg); - -extern int dvmCompilerAllocTemp(CompilationUnit *cUnit); - -extern int dvmCompilerAllocTempFloat(CompilationUnit *cUnit); - -//REDO: too many assumptions. -extern int dvmCompilerAllocTempDouble(CompilationUnit *cUnit); - -extern void dvmCompilerFreeTemp(CompilationUnit *cUnit, int reg); - -extern void dvmCompilerResetDefLocWide(CompilationUnit *cUnit, RegLocation rl); - -extern void dvmCompilerResetDefTracking(CompilationUnit *cUnit); - -/* Kill the corresponding bit in the null-checked register list */ -extern void dvmCompilerKillNullCheckedLoc(CompilationUnit *cUnit, - RegLocation loc); - -//FIXME - this needs to also check the preserved pool. -extern RegisterInfo *dvmCompilerIsLive(CompilationUnit *cUnit, int reg); - -/* To be used when explicitly managing register use */ -extern void dvmCompilerLockAllTemps(CompilationUnit *cUnit); - -extern void dvmCompilerFlushAllRegs(CompilationUnit *cUnit); - -extern RegLocation dvmCompilerGetReturnWideAlt(CompilationUnit *cUnit); - -extern RegLocation dvmCompilerGetReturn(CompilationUnit *cUnit); - -extern RegLocation dvmCompilerGetReturnAlt(CompilationUnit *cUnit); - -/* Clobber any temp associated with an sReg. Could be in either class */ -extern void dvmCompilerClobberSReg(CompilationUnit *cUnit, int sReg); - -/* Return a temp if one is available, -1 otherwise */ -extern int dvmCompilerAllocFreeTemp(CompilationUnit *cUnit); - -/* - * Similar to dvmCompilerAllocTemp(), but forces the allocation of a specific - * register. No check is made to see if the register was previously - * allocated. Use with caution. - */ -extern void dvmCompilerLockTemp(CompilationUnit *cUnit, int reg); - -extern RegLocation dvmCompilerWideToNarrow(CompilationUnit *cUnit, - RegLocation rl); - -/* - * Free all allocated temps in the temp pools. Note that this does - * not affect the "liveness" of a temp register, which will stay - * live until it is either explicitly killed or reallocated. - */ -extern void dvmCompilerResetRegPool(CompilationUnit *cUnit); - -extern void dvmCompilerClobberAllRegs(CompilationUnit *cUnit); - -extern void dvmCompilerResetDefTracking(CompilationUnit *cUnit); |
