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Jit64: Extract handling of immediate Rc

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This commit is contained in:
JosJuice 2023-08-22 18:49:28 +02:00
parent c528a70e64
commit be8e3fc5ae
2 changed files with 22 additions and 19 deletions
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1
Source/Core/Core/PowerPC/Jit64/Jit.h
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@ -120,6 +120,7 @@ public:
void FinalizeCarry(Gen::CCFlags cond); void FinalizeCarry(Gen::CCFlags cond);
void FinalizeCarry(bool ca); void FinalizeCarry(bool ca);
void ComputeRC(preg_t preg, bool needs_test = true, bool needs_sext = true); void ComputeRC(preg_t preg, bool needs_test = true, bool needs_sext = true);
void FinalizeImmediateRC(s32 value);
void AndWithMask(Gen::X64Reg reg, u32 mask); void AndWithMask(Gen::X64Reg reg, u32 mask);
void RotateLeft(int bits, Gen::X64Reg regOp, const Gen::OpArg& arg, u8 rotate); void RotateLeft(int bits, Gen::X64Reg regOp, const Gen::OpArg& arg, u8 rotate);

22
Source/Core/Core/PowerPC/Jit64/Jit_Integer.cpp
View File

@ -150,7 +150,10 @@ void Jit64::ComputeRC(preg_t preg, bool needs_test, bool needs_sext)
if (arg.IsImm()) if (arg.IsImm())
{ {
MOV(64, PPCSTATE_CR(0), Imm32(arg.SImm32())); const s32 value = arg.SImm32();
arg.Unlock();
FinalizeImmediateRC(value);
return;
} }
else if (needs_sext) else if (needs_sext)
{ {
@ -163,14 +166,6 @@ void Jit64::ComputeRC(preg_t preg, bool needs_test, bool needs_sext)
} }
if (CheckMergedBranch(0)) if (CheckMergedBranch(0))
{
if (arg.IsImm())
{
s32 offset = arg.SImm32();
arg.Unlock();
DoMergedBranchImmediate(offset);
}
else
{ {
if (needs_test) if (needs_test)
{ {
@ -188,7 +183,14 @@ void Jit64::ComputeRC(preg_t preg, bool needs_test, bool needs_sext)
} }
DoMergedBranchCondition(); DoMergedBranchCondition();
} }
} }
void Jit64::FinalizeImmediateRC(s32 value)
{
MOV(64, PPCSTATE_CR(0), Imm32(value));
if (CheckMergedBranch(0))
DoMergedBranchImmediate(value);
} }
// we can't do this optimization in the emitter because MOVZX and AND have different effects on // we can't do this optimization in the emitter because MOVZX and AND have different effects on