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CPU/NewRec/ARM32: Shifts need to be explicitly masked

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Stenzek 2024-11-22 23:50:40 +10:00
parent 5c03e1d940
commit d2d06adeeb
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1 changed files with 3 additions and 2 deletions
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src/core/cpu_newrec_compiler_aarch32.cpp
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@ -997,13 +997,14 @@ void CPU::NewRec::AArch32Compiler::Compile_variable_shift(CompileFlags cf,
if (cf.const_s) if (cf.const_s)
{ {
if (const u32 shift = GetConstantRegU32(cf.MipsS()); shift != 0) if (const u32 shift = GetConstantRegU32(cf.MipsS()); shift != 0)
(armAsm->*op)(rd, rt, shift); (armAsm->*op)(rd, rt, shift & 0x1Fu);
else if (rd.GetCode() != rt.GetCode()) else if (rd.GetCode() != rt.GetCode())
armAsm->mov(rd, rt); armAsm->mov(rd, rt);
} }
else else
{ {
(armAsm->*op)(rd, rt, CFGetRegS(cf)); armAsm->and_(RSCRATCH, CFGetRegS(cf), 0x1Fu);
(armAsm->*op)(rd, rt, RSCRATCH);
} }
} }