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gl_shader_decompiler: Implement IADD instruction.

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This commit is contained in:
bunnei 2018-06-08 23:25:22 -04:00
parent 79e9c2e237
commit bbc4f369ed
2 changed files with 37 additions and 11 deletions
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32
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -992,13 +992,13 @@ private:
break;
}
case OpCode::Type::ScaledAdd: {
case OpCode::Type::ArithmeticInteger: {
std::string op_a = regs.GetRegisterAsInteger(instr.gpr8);
if (instr.iscadd.negate_a)
if (instr.alu_integer.negate_a)
op_a = '-' + op_a;
std::string op_b = instr.iscadd.negate_b ? "-" : "";
std::string op_b = instr.alu_integer.negate_b ? "-" : "";
if (instr.is_b_imm) {
op_b += '(' + std::to_string(instr.alu.GetSignedImm20_20()) + ')';
@ -1011,10 +1011,30 @@ private:
}
}
std::string shift = std::to_string(instr.iscadd.shift_amount.Value());
switch (opcode->GetId()) {
case OpCode::Id::IADD_C:
case OpCode::Id::IADD_R:
case OpCode::Id::IADD_IMM: {
ASSERT_MSG(!instr.saturate_a, "Unimplemented");
regs.SetRegisterToInteger(instr.gpr0, true, 0, op_a + " + " + op_b, 1, 1);
break;
}
case OpCode::Id::ISCADD_C:
case OpCode::Id::ISCADD_R:
case OpCode::Id::ISCADD_IMM: {
std::string shift = std::to_string(instr.alu_integer.shift_amount.Value());
regs.SetRegisterToInteger(instr.gpr0, true, 0,
"((" + op_a + " << " + shift + ") + " + op_b + ')', 1, 1);
break;
}
default: {
NGLOG_CRITICAL(HW_GPU, "Unhandled ArithmeticInteger instruction: {}",
opcode->GetName());
UNREACHABLE();
}
}
regs.SetRegisterToInteger(instr.gpr0, true, 0,
"((" + op_a + " << " + shift + ") + " + op_b + ')', 1, 1);
break;
}
case OpCode::Type::Ffma: {