shader/jit: preserve integer & condition register across invocation
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09982c3386
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874cb42e70
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@ -580,6 +580,18 @@ void JitShader::Compile_RSQ(Instruction instr) {
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void JitShader::Compile_NOP(Instruction instr) {}
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void JitShader::Compile_END(Instruction instr) {
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// Save conditional code
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mov(byte[STATE + offsetof(UnitState, conditional_code[0])], COND0.cvt8());
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mov(byte[STATE + offsetof(UnitState, conditional_code[1])], COND1.cvt8());
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// Save address/loop registers
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sar(ADDROFFS_REG_0, 4);
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sar(ADDROFFS_REG_1, 4);
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sar(LOOPCOUNT_REG, 4);
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mov(dword[STATE + offsetof(UnitState, address_registers[0])], ADDROFFS_REG_0.cvt32());
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mov(dword[STATE + offsetof(UnitState, address_registers[1])], ADDROFFS_REG_1.cvt32());
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mov(dword[STATE + offsetof(UnitState, address_registers[2])], LOOPCOUNT_REG);
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ABI_PopRegistersAndAdjustStack(*this, ABI_ALL_CALLEE_SAVED, 8, 16);
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ret();
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}
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@ -885,10 +897,17 @@ void JitShader::Compile(const std::array<u32, MAX_PROGRAM_CODE_LENGTH>* program_
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mov(UNIFORMS, ABI_PARAM1);
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mov(STATE, ABI_PARAM2);
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// Zero address/loop registers
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xor_(ADDROFFS_REG_0.cvt32(), ADDROFFS_REG_0.cvt32());
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xor_(ADDROFFS_REG_1.cvt32(), ADDROFFS_REG_1.cvt32());
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xor_(LOOPCOUNT_REG, LOOPCOUNT_REG);
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// Load address/loop registers
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movsxd(ADDROFFS_REG_0, dword[STATE + offsetof(UnitState, address_registers[0])]);
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movsxd(ADDROFFS_REG_1, dword[STATE + offsetof(UnitState, address_registers[1])]);
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mov(LOOPCOUNT_REG, dword[STATE + offsetof(UnitState, address_registers[2])]);
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shl(ADDROFFS_REG_0, 4);
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shl(ADDROFFS_REG_1, 4);
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shl(LOOPCOUNT_REG, 4);
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// Load conditional code
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mov(COND0, byte[STATE + offsetof(UnitState, conditional_code[0])]);
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mov(COND1, byte[STATE + offsetof(UnitState, conditional_code[1])]);
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// Used to set a register to one
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static const __m128 one = {1.f, 1.f, 1.f, 1.f};
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