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emit_arm64_a32: Implement A32SetGEFlagsCompressed

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Merry 2022-07-30 19:11:05 +01:00 committed by merry
parent 735f5b787a
commit 22d87bcbe5
1 changed files with 11 additions and 4 deletions
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15
src/dynarmic/backend/arm64/emit_arm64_a32.cpp
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@ -380,10 +380,17 @@ void EmitIR<IR::Opcode::A32SetGEFlags>(oaknut::CodeGenerator& code, EmitContext&
template<>
void EmitIR<IR::Opcode::A32SetGEFlagsCompressed>(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst) {
(void)code;
(void)ctx;
(void)inst;
ASSERT_FALSE("Unimplemented");
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
auto Wge = ctx.reg_alloc.ReadW(args[0]);
RegAlloc::Realize(Wge);
code.LSR(Wscratch0, Wge, 16);
code.MOV(Wscratch1, 0x00204081);
code.MUL(Wscratch0, Wscratch0, Wscratch1);
code.AND(Wscratch0, Wscratch0, 0x01010101);
code.LSL(Wscratch1, Wscratch0, 8);
code.SUB(Wscratch0, Wscratch1, Wscratch0);
code.STR(Wscratch0, Xstate, offsetof(A32JitState, cpsr_ge));
}
template<>