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Implement a bunch of load/store instructions.

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Skyth
2024-09-13 16:00:37 +03:00
parent 996fa013d0
commit cbc28c6451
1 changed files with 69 additions and 0 deletions
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69
PowerRecomp/main.cpp
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@@ -64,6 +64,7 @@ int main()
}
std::println(f, "PPC_FUNC void {}(PPCContext& __restrict ctx, uint8_t* base) {{", name);
std::println(f, "\tPPCRegister temp;\n");
std::println(f, "\tuint32_t ea;\n");
ppc_insn insn;
@@ -460,16 +461,50 @@ int main()
break;
case PPC_INST_LDARX:
break;
case PPC_INST_LDU:
std::println(f, "\tea = {} + ctx.r{}.u32;", int32_t(insn.operands[1]), insn.operands[2]);
std::println(f, "\tctx.r{}.u64 = PPC_LOAD_U64(ea);", insn.operands[0]);
std::println(f, "\tctx.r{}.u64 = ea;", insn.operands[2]);
break;
case PPC_INST_LDX:
std::println(f, "\tctx.r{}.u64 = PPC_LOAD_U64(ctx.r{}.u32 + ctx.r{}.u32);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_LFD:
std::println(f, "\tctx.f{}.u64 = PPC_LOAD_U64({} + ctx.r{}.u32);", insn.operands[0], int32_t(insn.operands[1]), insn.operands[2]);
break;
case PPC_INST_LFDX:
std::println(f, "\tctx.f{}.u64 = PPC_LOAD_U64(ctx.r{}.u32 + ctx.r{}.u32);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_LFS:
std::println(f, "\ttemp.u32 = PPC_LOAD_U32({} + ctx.r{}.u32);", int32_t(insn.operands[1]), insn.operands[2]);
std::println(f, "\tctx.f{}.f64 = temp.f32;", insn.operands[0]);
break;
case PPC_INST_LFSX:
std::println(f, "\ttemp.u32 = PPC_LOAD_U32(ctx.r{}.u32 + ctx.r{}.u32);", insn.operands[1], insn.operands[2]);
std::println(f, "\tctx.f{}.f64 = temp.f32;", insn.operands[0]);
break;
case PPC_INST_LHA:
std::println(f, "\tctx.r{}.s64 = int16_t(PPC_LOAD_U16({} + ctx.r{}.u32));", insn.operands[0], int32_t(insn.operands[1]), insn.operands[2]);
break;
case PPC_INST_LHAX:
std::println(f, "\tctx.r{}.s64 = int16_t(PPC_LOAD_U16(ctx.r{}.u32 + ctx.r{}.u32));", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_LHZ:
std::println(f, "\tctx.r{}.u64 = PPC_LOAD_U16({} + ctx.r{}.u32);", insn.operands[0], int32_t(insn.operands[1]), insn.operands[2]);
break;
case PPC_INST_LHZX:
std::println(f, "\tctx.r{}.u64 = PPC_LOAD_U16(ctx.r{}.u32 + ctx.r{}.u32);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_LI:
@@ -492,10 +527,21 @@ int main()
case PPC_INST_LVSR:
case PPC_INST_LVX:
case PPC_INST_LVX128:
break;
case PPC_INST_LWA:
std::println(f, "\tctx.r{}.s64 = int32_t(PPC_LOAD_U32({} + ctx.r{}.u32));", insn.operands[0], int32_t(insn.operands[1]), insn.operands[2]);
break;
case PPC_INST_LWARX:
break;
case PPC_INST_LWAX:
std::println(f, "\tctx.r{}.s64 = int32_t(PPC_LOAD_U32(ctx.r{}.u32 + ctx.r{}.u32));", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_LWBRX:
std::println(f, "\tctx.r{}.u64 = _byteswap_ulong(PPC_LOAD_U32(ctx.r{}.u32 + ctx.r{}.u32));", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_LWSYNC:
@@ -507,7 +553,15 @@ int main()
break;
case PPC_INST_LWZU:
std::println(f, "\tea = {} + ctx.r{}.u32;", int32_t(insn.operands[1]), insn.operands[2]);
std::println(f, "\tctx.r{}.u64 = PPC_LOAD_U32(ea);", insn.operands[0]);
std::println(f, "\tctx.r{}.u64 = ea;", insn.operands[2]);
break;
case PPC_INST_LWZX:
std::println(f, "\tctx.r{}.u64 = PPC_LOAD_U32(ctx.r{}.u32 + ctx.r{}.u32);", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_MFCR:
case PPC_INST_MFFS:
break;
@@ -663,10 +717,25 @@ int main()
break;
case PPC_INST_STFD:
std::println(f, "\tPPC_STORE_U64({} + ctx.r{}.u32, ctx.f{}.u64);", int32_t(insn.operands[1]), insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STFDX:
std::println(f, "\tPPC_STORE_U64(ctx.r{}.u32 + ctx.r{}.u32, ctx.f{}.u64);", insn.operands[1], insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STFIWX:
std::println(f, "\tPPC_STORE_U32(ctx.r{}.u32 + ctx.r{}.u32, ctx.f{}.u32);", insn.operands[1], insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STFS:
std::println(f, "\ttemp.f32 = ctx.f{}.f64;", insn.operands[0]);
std::println(f, "\tPPC_STORE_U32({} + ctx.r{}.u32, temp.u32);", int32_t(insn.operands[1]), insn.operands[2]);
break;
case PPC_INST_STFSX:
std::println(f, "\ttemp.f32 = ctx.f{}.f64;", insn.operands[0]);
std::println(f, "\tPPC_STORE_U32(ctx.r{}.u32 + ctx.r{}.u32, temp.u32);", insn.operands[1], insn.operands[2]);
break;
case PPC_INST_STH: