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Jit: Check for discarded registers when flushing 

This adds a check for the bug addressed by the previous commit.
This commit is contained in:
JosJuice 2023-08-25 16:06:39 +02:00
parent 5902b5b113
commit 34b0a6ea90
2 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Source/Core/Core/PowerPC/Jit64/RegCache/JitRegCache.cpp
View File

@ -421,7 +421,9 @@ void RegCache::Flush(BitSet32 pregs)
switch (m_regs[i].GetLocationType())
{
case PPCCachedReg::LocationType::Default:
break;
case PPCCachedReg::LocationType::Discarded:
ASSERT_MSG(DYNA_REC, false, "Attempted to flush discarded PPC reg {}", i);
break;
case PPCCachedReg::LocationType::SpeculativeImmediate:
// We can have a cached value without a host register through speculative constants.

10
Source/Core/Core/PowerPC/JitArm64/JitArm64_RegCache.cpp
View File

@ -245,11 +245,14 @@ void Arm64GPRCache::FlushRegisters(BitSet32 regs, bool maintain_state, ARM64Reg
{
if (regs[i])
{
ASSERT_MSG(DYNA_REC, m_guest_registers[GUEST_GPR_OFFSET + i].GetType() != RegType::Discarded,
"Attempted to flush discarded register");
if (i + 1 < GUEST_GPR_COUNT && regs[i + 1])
{
// We've got two guest registers in a row to store
OpArg& reg1 = m_guest_registers[i];
OpArg& reg2 = m_guest_registers[i + 1];
OpArg& reg1 = m_guest_registers[GUEST_GPR_OFFSET + i];
OpArg& reg2 = m_guest_registers[GUEST_GPR_OFFSET + i + 1];
if (reg1.IsDirty() && reg2.IsDirty() && reg1.GetType() == RegType::Register &&
reg2.GetType() == RegType::Register)
{
@ -283,6 +286,9 @@ void Arm64GPRCache::FlushCRRegisters(BitSet32 regs, bool maintain_state, ARM64Re
{
if (regs[i])
{
ASSERT_MSG(DYNA_REC, m_guest_registers[GUEST_CR_OFFSET + i].GetType() != RegType::Discarded,
"Attempted to flush discarded register");
FlushRegister(GUEST_CR_OFFSET + i, maintain_state, tmp_reg);
}
}