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DSPCodeUtil: Give better output when comparing instructions with large immediates

This commit is contained in:
Pokechu22 2022-06-13 18:49:59 -07:00
parent cad9801ded
commit 087d89225c
1 changed files with 21 additions and 0 deletions
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21
Source/Core/Core/DSP/DSPCodeUtil.cpp
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@ -83,6 +83,27 @@ bool Compare(const std::vector<u16>& code1, const std::vector<u16>& code2)
disassembler.DisassembleOpcode(code2, &pc, line2);
fmt::print("!! {:04x} : {:04x} vs {:04x} - {} vs {}\n", i, code1[i], code2[i], line1,
line2);
// Also do a comparison one word back if the previous word corresponded to an instruction with
// a large immediate. (Compare operates on individual words, so both the main word and the
// immediate following it are compared separately; we don't use DisassembleOpcode's ability to
// increment pc by 2 for two-word instructions because code1 may have a 1-word instruction
// where code2 has a 2-word instruction.)
if (i >= 1 && code1[i - 1] == code2[i - 1])
{
const DSPOPCTemplate* opc = FindOpInfoByOpcode(code1[i - 1]);
if (opc != nullptr && opc->size == 2)
{
line1.clear();
line2.clear();
pc = i - 1;
disassembler.DisassembleOpcode(code1, &pc, line1);
pc = i - 1;
disassembler.DisassembleOpcode(code2, &pc, line2);
fmt::print(" (or {:04x} : {:04x} {:04x} vs {:04x} {:04x} - {} vs {})\n", i - 1,
code1[i - 1], code1[i], code2[i - 1], code2[i], line1, line2);
}
}
}
}
if (code2.size() != code1.size())