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a32_emit_x64: Use std::get_if in EmitA32Coproc*

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This commit is contained in:
MerryMage 2019-08-14 20:50:59 +01:00
parent 6edc95e9eb
commit 6325ac23eb
1 changed files with 50 additions and 46 deletions
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88
src/backend/x64/a32_emit_x64.cpp
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@ -1021,27 +1021,28 @@ void A32EmitX64::EmitA32CoprocSendOneWord(A32EmitContext& ctx, IR::Inst* inst) {
}
const auto action = coproc->CompileSendOneWord(two, opc1, CRn, CRm, opc2);
switch (action.index()) {
case 0:
if (std::holds_alternative<std::monostate>(action)) {
EmitCoprocessorException();
return;
case 1:
CallCoprocCallback(code, ctx.reg_alloc, jit_interface, std::get<A32::Coprocessor::Callback>(action), nullptr, args[1]);
return;
case 2: {
const u32* const destination_ptr = std::get<u32*>(action);
}
if (const auto cb = std::get_if<A32::Coprocessor::Callback>(&action)) {
CallCoprocCallback(code, ctx.reg_alloc, jit_interface, *cb, nullptr, args[1]);
return;
}
if (const auto destination_ptr = std::get_if<u32*>(&action)) {
const Xbyak::Reg32 reg_word = ctx.reg_alloc.UseGpr(args[1]).cvt32();
const Xbyak::Reg64 reg_destination_addr = ctx.reg_alloc.ScratchGpr();
code.mov(reg_destination_addr, reinterpret_cast<u64>(destination_ptr));
code.mov(reg_destination_addr, reinterpret_cast<u64>(*destination_ptr));
code.mov(code.dword[reg_destination_addr], reg_word);
return;
}
default:
UNREACHABLE();
}
}
void A32EmitX64::EmitA32CoprocSendTwoWords(A32EmitContext& ctx, IR::Inst* inst) {
@ -1060,30 +1061,31 @@ void A32EmitX64::EmitA32CoprocSendTwoWords(A32EmitContext& ctx, IR::Inst* inst)
}
const auto action = coproc->CompileSendTwoWords(two, opc, CRm);
switch (action.index()) {
case 0:
if (std::holds_alternative<std::monostate>(action)) {
EmitCoprocessorException();
return;
case 1:
CallCoprocCallback(code, ctx.reg_alloc, jit_interface, std::get<A32::Coprocessor::Callback>(action), nullptr, args[1], args[2]);
return;
case 2: {
const auto destination_ptrs = std::get<std::array<u32*, 2>>(action);
}
if (const auto cb = std::get_if<A32::Coprocessor::Callback>(&action)) {
CallCoprocCallback(code, ctx.reg_alloc, jit_interface, *cb, nullptr, args[1], args[2]);
return;
}
if (const auto destination_ptrs = std::get_if<std::array<u32*, 2>>(&action)) {
const Xbyak::Reg32 reg_word1 = ctx.reg_alloc.UseGpr(args[1]).cvt32();
const Xbyak::Reg32 reg_word2 = ctx.reg_alloc.UseGpr(args[2]).cvt32();
const Xbyak::Reg64 reg_destination_addr = ctx.reg_alloc.ScratchGpr();
code.mov(reg_destination_addr, reinterpret_cast<u64>(destination_ptrs[0]));
code.mov(reg_destination_addr, reinterpret_cast<u64>((*destination_ptrs)[0]));
code.mov(code.dword[reg_destination_addr], reg_word1);
code.mov(reg_destination_addr, reinterpret_cast<u64>(destination_ptrs[1]));
code.mov(reg_destination_addr, reinterpret_cast<u64>((*destination_ptrs)[1]));
code.mov(code.dword[reg_destination_addr], reg_word2);
return;
}
default:
UNREACHABLE();
}
}
void A32EmitX64::EmitA32CoprocGetOneWord(A32EmitContext& ctx, IR::Inst* inst) {
@ -1103,29 +1105,30 @@ void A32EmitX64::EmitA32CoprocGetOneWord(A32EmitContext& ctx, IR::Inst* inst) {
}
const auto action = coproc->CompileGetOneWord(two, opc1, CRn, CRm, opc2);
switch (action.index()) {
case 0:
if (std::holds_alternative<std::monostate>(action)) {
EmitCoprocessorException();
return;
case 1:
CallCoprocCallback(code, ctx.reg_alloc, jit_interface, std::get<A32::Coprocessor::Callback>(action), inst);
return;
case 2: {
const u32* const source_ptr = std::get<u32*>(action);
}
if (const auto cb = std::get_if<A32::Coprocessor::Callback>(&action)) {
CallCoprocCallback(code, ctx.reg_alloc, jit_interface, *cb, inst);
return;
}
if (const auto source_ptr = std::get_if<u32*>(&action)) {
const Xbyak::Reg32 reg_word = ctx.reg_alloc.ScratchGpr().cvt32();
const Xbyak::Reg64 reg_source_addr = ctx.reg_alloc.ScratchGpr();
code.mov(reg_source_addr, reinterpret_cast<u64>(source_ptr));
code.mov(reg_source_addr, reinterpret_cast<u64>(*source_ptr));
code.mov(reg_word, code.dword[reg_source_addr]);
ctx.reg_alloc.DefineValue(inst, reg_word);
return;
}
default:
UNREACHABLE();
}
}
void A32EmitX64::EmitA32CoprocGetTwoWords(A32EmitContext& ctx, IR::Inst* inst) {
@ -1142,24 +1145,26 @@ void A32EmitX64::EmitA32CoprocGetTwoWords(A32EmitContext& ctx, IR::Inst* inst) {
}
auto action = coproc->CompileGetTwoWords(two, opc, CRm);
switch (action.index()) {
case 0:
if (std::holds_alternative<std::monostate>(action)) {
EmitCoprocessorException();
return;
case 1:
CallCoprocCallback(code, ctx.reg_alloc, jit_interface, std::get<A32::Coprocessor::Callback>(action), inst);
return;
case 2: {
const auto source_ptrs = std::get<std::array<u32*, 2>>(action);
}
if (const auto cb = std::get_if<A32::Coprocessor::Callback>(&action)) {
CallCoprocCallback(code, ctx.reg_alloc, jit_interface, *cb, inst);
return;
}
if (const auto source_ptrs = std::get_if<std::array<u32*, 2>>(&action)) {
const Xbyak::Reg64 reg_result = ctx.reg_alloc.ScratchGpr();
const Xbyak::Reg64 reg_destination_addr = ctx.reg_alloc.ScratchGpr();
const Xbyak::Reg64 reg_tmp = ctx.reg_alloc.ScratchGpr();
code.mov(reg_destination_addr, reinterpret_cast<u64>(source_ptrs[1]));
code.mov(reg_destination_addr, reinterpret_cast<u64>((*source_ptrs)[1]));
code.mov(reg_result.cvt32(), code.dword[reg_destination_addr]);
code.shl(reg_result, 32);
code.mov(reg_destination_addr, reinterpret_cast<u64>(source_ptrs[0]));
code.mov(reg_destination_addr, reinterpret_cast<u64>((*source_ptrs)[0]));
code.mov(reg_tmp.cvt32(), code.dword[reg_destination_addr]);
code.or_(reg_result, reg_tmp);
@ -1167,9 +1172,8 @@ void A32EmitX64::EmitA32CoprocGetTwoWords(A32EmitContext& ctx, IR::Inst* inst) {
return;
}
default:
UNREACHABLE();
}
}
void A32EmitX64::EmitA32CoprocLoadWords(A32EmitContext& ctx, IR::Inst* inst) {