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SPU Giga block bounds check #16722

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SPU Giga block bounds check #16722

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61fad6b
Update SPUCommonRecompiler.cpp
cipherxof Feb 17, 2025
7c02f7e
Merge branch 'master' into spu-giga-crash-fix
elad335 Feb 20, 2025
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8 changes: 5 additions & 3 deletions rpcs3/Emu/Cell/SPUCommonRecompiler.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -4603,7 +4603,7 @@ spu_program spu_recompiler_base::analyse(const be_t<u32>* ls, u32 entry_point, s
{
bb.terminator = term_type::interrupt_call;
}
else if (last_inst != spu_itype::BISL && bb.targets[0] == tia + 4 && op.ra == s_reg_lr)
else if (last_inst != spu_itype::BISL && !bb.targets.empty() && bb.targets[0] == tia + 4 && op.ra == s_reg_lr)
{
// Conditional return (TODO)
bb.terminator = term_type::ret;
Expand Down Expand Up @@ -4728,9 +4728,11 @@ spu_program spu_recompiler_base::analyse(const be_t<u32>* ls, u32 entry_point, s
if (is_ok && bb.terminator == term_type::fallthrough)
{
// Can't just fall out of the function
if (bb.targets.size() != 1 || bb.targets[0] >= flim)
const auto bb_target_value = bb.targets.empty() ? 0 : bb.targets[0];

if (bb.targets.size() != 1 || bb_target_value >= flim)
{
spu_log.error("Function 0x%05x: [0x%05x] bad fallthrough to 0x%x", f.first, addr, bb.targets[0]);
spu_log.error("Function 0x%05x: [0x%05x] bad fallthrough to 0x%x", f.first, addr, bb_target_value);
is_ok = false;
}
}
Expand Down