Merge pull request #9825 from JosJuice/jitarm64-mcrfs
JitArm64: Implement mcrfs
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commit
c77a5f7e32
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@ -638,20 +638,26 @@ void Jit64::mcrfs(UGeckoInstruction inst)
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// Only clear exception bits (but not FEX/VX).
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mask &= FPSCR_FX | FPSCR_ANY_X;
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MOV(32, R(RSCRATCH), PPCSTATE(fpscr));
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if (cpu_info.bBMI1)
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{
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MOV(32, R(RSCRATCH), PPCSTATE(fpscr));
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MOV(32, R(RSCRATCH2), Imm32((4 << 8) | shift));
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BEXTR(32, RSCRATCH2, R(RSCRATCH), RSCRATCH2);
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}
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else
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{
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MOV(32, R(RSCRATCH2), R(RSCRATCH));
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MOV(32, R(RSCRATCH2), PPCSTATE(fpscr));
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if (mask != 0)
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MOV(32, R(RSCRATCH), R(RSCRATCH2));
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SHR(32, R(RSCRATCH2), Imm8(shift));
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AND(32, R(RSCRATCH2), Imm32(0xF));
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}
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AND(32, R(RSCRATCH), Imm32(~mask));
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MOV(32, PPCSTATE(fpscr), R(RSCRATCH));
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if (mask != 0)
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{
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AND(32, R(RSCRATCH), Imm32(~mask));
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MOV(32, PPCSTATE(fpscr), R(RSCRATCH));
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}
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LEA(64, RSCRATCH, MConst(PowerPC::ConditionRegister::s_crTable));
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MOV(64, R(RSCRATCH), MComplex(RSCRATCH, RSCRATCH2, SCALE_8, 0));
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MOV(64, CROffset(inst.CRFD), R(RSCRATCH));
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@ -118,6 +118,7 @@ public:
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void crXXX(UGeckoInstruction inst);
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void mfcr(UGeckoInstruction inst);
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void mtcrf(UGeckoInstruction inst);
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void mcrfs(UGeckoInstruction inst);
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// LoadStore
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void lXX(UGeckoInstruction inst);
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@ -687,3 +687,37 @@ void JitArm64::mtcrf(UGeckoInstruction inst)
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gpr.Unlock(WB);
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}
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}
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void JitArm64::mcrfs(UGeckoInstruction inst)
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{
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INSTRUCTION_START
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JITDISABLE(bJITSystemRegistersOff);
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u8 shift = 4 * (7 - inst.CRFS);
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u32 mask = 0xF << shift;
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u32 field = inst.CRFD;
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// Only clear exception bits (but not FEX/VX).
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mask &= FPSCR_FX | FPSCR_ANY_X;
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gpr.BindCRToRegister(field, false);
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ARM64Reg CR = gpr.CR(field);
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ARM64Reg WA = gpr.GetReg();
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ARM64Reg WCR = EncodeRegTo32(CR);
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ARM64Reg XA = EncodeRegTo64(WA);
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LDR(IndexType::Unsigned, WA, PPC_REG, PPCSTATE_OFF(fpscr));
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LSR(WCR, WA, shift);
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ANDI2R(WCR, WCR, 0xF);
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if (mask != 0)
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{
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ANDI2R(WA, WA, ~mask);
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STR(IndexType::Unsigned, WA, PPC_REG, PPCSTATE_OFF(fpscr));
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}
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MOVP2R(XA, PowerPC::ConditionRegister::s_crTable.data());
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LDR(CR, XA, ArithOption(CR, true));
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gpr.Unlock(WA);
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}
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@ -315,7 +315,7 @@ constexpr std::array<GekkoOPTemplate, 15> table63{{
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{40, &JitArm64::fp_logic}, // fnegx
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{12, &JitArm64::frspx}, // frspx
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{64, &JitArm64::FallBackToInterpreter}, // mcrfs
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{64, &JitArm64::mcrfs}, // mcrfs
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{583, &JitArm64::FallBackToInterpreter}, // mffsx
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{70, &JitArm64::FallBackToInterpreter}, // mtfsb0x
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{38, &JitArm64::FallBackToInterpreter}, // mtfsb1x
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