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allow allocating caller saved registers

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currently system-v only
This commit is contained in:
RSDuck
2020-05-09 14:34:52 +02:00
parent 0f53a34551
commit 5a0b568647
4 changed files with 65 additions and 34 deletions
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19
src/ARMJIT_x64/ARMJIT_LoadStore.cpp
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@ -283,6 +283,8 @@ void Compiler::Comp_MemAccess(int rd, int rn, const ComplexOperand& op2, int siz
}
else
{
PushRegs(false);
u32 maskedDataRegion;
if (addrIsStatic)
@ -310,6 +312,8 @@ void Compiler::Comp_MemAccess(int rd, int rn, const ComplexOperand& op2, int siz
MOV(32, R(ABI_PARAM2), rdMapped);
ABI_CallFunction((void(*)())func);
PopRegs(false);
}
else
{
@ -318,6 +322,8 @@ void Compiler::Comp_MemAccess(int rd, int rn, const ComplexOperand& op2, int siz
ABI_CallFunction((void(*)())func);
PopRegs(false);
if (!addrIsStatic)
MOV(32, R(RSCRATCH3), rdMapped);
@ -352,6 +358,8 @@ void Compiler::Comp_MemAccess(int rd, int rn, const ComplexOperand& op2, int siz
if (compileSlowPath)
{
PushRegs(false);
if (Num == 0)
{
MOV(32, R(ABI_PARAM2), R(RSCRATCH3));
@ -402,6 +410,9 @@ void Compiler::Comp_MemAccess(int rd, int rn, const ComplexOperand& op2, int siz
}
}
}
PopRegs(false);
if (!(flags & memop_Store))
{
if (flags & memop_SignExtend)
@ -561,6 +572,8 @@ s32 Compiler::Comp_MemAccessBlock(int rn, BitSet16 regs, bool store, bool preinc
if (!store)
{
PushRegs(false);
MOV(32, R(ABI_PARAM1), R(RSCRATCH4));
MOV(32, R(ABI_PARAM3), Imm32(regsCount));
SUB(64, R(RSP), stackAlloc <= INT8_MAX ? Imm8(stackAlloc) : Imm32(stackAlloc));
@ -580,6 +593,8 @@ s32 Compiler::Comp_MemAccessBlock(int rn, BitSet16 regs, bool store, bool preinc
case 3: CALL((void*)&SlowBlockTransfer7<true, false>); break;
}
PopRegs(false);
if (allocOffset)
ADD(64, R(RSP), Imm8(allocOffset));
@ -655,6 +670,8 @@ s32 Compiler::Comp_MemAccessBlock(int rn, BitSet16 regs, bool store, bool preinc
if (allocOffset)
SUB(64, R(RSP), Imm8(allocOffset));
PushRegs(false);
MOV(32, R(ABI_PARAM1), R(RSCRATCH4));
if (allocOffset)
LEA(64, ABI_PARAM2, MDisp(RSP, allocOffset));
@ -674,6 +691,8 @@ s32 Compiler::Comp_MemAccessBlock(int rn, BitSet16 regs, bool store, bool preinc
}
ADD(64, R(RSP), stackAlloc <= INT8_MAX ? Imm8(stackAlloc) : Imm32(stackAlloc));
PopRegs(false);
}
if (compileFastPath)