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fixup for aarch64 JIT

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This commit is contained in:
RSDuck
2020-02-07 00:08:29 +01:00
parent 2725429727
commit d2acceb367
2 changed files with 8 additions and 3 deletions
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10
src/ARMJIT_RegisterCache.h
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@ -18,11 +18,15 @@ public:
RegisterCache()
{}
RegisterCache(T* compiler, FetchedInstr instrs[], int instrsCount)
RegisterCache(T* compiler, FetchedInstr instrs[], int instrsCount, bool pcAllocatableAsSrc = false)
: Compiler(compiler), Instrs(instrs), InstrsCount(instrsCount)
{
for (int i = 0; i < 16; i++)
Mapping[i] = (Reg)-1;
PCAllocatableAsSrc = ~(pcAllocatableAsSrc
? 0
: (1 << 15));
}
void UnloadRegister(int reg)
@ -120,7 +124,7 @@ public:
for (int reg : neverNeededAgain)
UnloadRegister(reg);
u16 necessaryRegs = ((instr.Info.SrcRegs & ~(1 << 15)) | instr.Info.DstRegs) & ~instr.Info.NotStrictlyNeeded;
u16 necessaryRegs = ((instr.Info.SrcRegs & PCAllocatableAsSrc) | instr.Info.DstRegs) & ~instr.Info.NotStrictlyNeeded;
u16 writeRegs = instr.Info.DstRegs & ~instr.Info.NotStrictlyNeeded;
BitSet16 needToBeLoaded(necessaryRegs & ~LoadedRegs);
if (needToBeLoaded != BitSet16(0))
@ -184,6 +188,8 @@ public:
u16 LoadedRegs = 0;
u16 DirtyRegs = 0;
u16 PCAllocatableAsSrc = 0;
T* Compiler;
FetchedInstr* Instrs;