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CPU/Recompiler: Inhibit allocation in mtc0/rfe branches

This commit is contained in:
Connor McLaughlin 2020-11-21 02:00:54 +10:00
parent 028a5c60d7
commit 053d7fdc4b
1 changed files with 4 additions and 0 deletions
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4
src/core/cpu_recompiler_code_generator.cpp
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@ -2239,11 +2239,13 @@ bool CodeGenerator::Compile_cop0(const CodeBlockInstruction& cbi)
EmitLoadCPUStructField(sr_value.host_reg, sr_value.size, offsetof(State, cop0_regs.sr.bits)); EmitLoadCPUStructField(sr_value.host_reg, sr_value.size, offsetof(State, cop0_regs.sr.bits));
EmitLoadCPUStructField(cause_value.host_reg, cause_value.size, offsetof(State, cop0_regs.cause.bits)); EmitLoadCPUStructField(cause_value.host_reg, cause_value.size, offsetof(State, cop0_regs.cause.bits));
EmitBranchIfBitClear(sr_value.host_reg, sr_value.size, 0, &no_interrupt); EmitBranchIfBitClear(sr_value.host_reg, sr_value.size, 0, &no_interrupt);
m_register_cache.InhibitAllocation();
EmitAnd(sr_value.host_reg, sr_value.host_reg, cause_value); EmitAnd(sr_value.host_reg, sr_value.host_reg, cause_value);
EmitTest(sr_value.host_reg, Value::FromConstantU32(0xFF00)); EmitTest(sr_value.host_reg, Value::FromConstantU32(0xFF00));
EmitConditionalBranch(Condition::Zero, false, &no_interrupt); EmitConditionalBranch(Condition::Zero, false, &no_interrupt);
EmitStoreCPUStructField(offsetof(State, downcount), Value::FromConstantU32(0)); EmitStoreCPUStructField(offsetof(State, downcount), Value::FromConstantU32(0));
EmitBindLabel(&no_interrupt); EmitBindLabel(&no_interrupt);
m_register_cache.UninhibitAllocation();
} }
InstructionEpilogue(cbi); InstructionEpilogue(cbi);
@ -2284,8 +2286,10 @@ bool CodeGenerator::Compile_cop0(const CodeBlockInstruction& cbi)
EmitAnd(sr.host_reg, sr.host_reg, cause_value); EmitAnd(sr.host_reg, sr.host_reg, cause_value);
EmitTest(sr.host_reg, Value::FromConstantU32(0xFF00)); EmitTest(sr.host_reg, Value::FromConstantU32(0xFF00));
EmitConditionalBranch(Condition::Zero, false, &no_interrupt); EmitConditionalBranch(Condition::Zero, false, &no_interrupt);
m_register_cache.InhibitAllocation();
EmitStoreCPUStructField(offsetof(State, downcount), Value::FromConstantU32(0)); EmitStoreCPUStructField(offsetof(State, downcount), Value::FromConstantU32(0));
EmitBindLabel(&no_interrupt); EmitBindLabel(&no_interrupt);
m_register_cache.UninhibitAllocation();
InstructionEpilogue(cbi); InstructionEpilogue(cbi);
return true; return true;