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Merge pull request #9932 from JosJuice/jitarm64-dcbz-backpatch 

JitArm64: Fix dcbz backpatch
This commit is contained in:
Markus Wick 2021-07-23 01:58:59 +02:00 committed by GitHub
parent 8ad7508620 1df3456267
commit 5af5656383
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 6 additions and 8 deletions
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7
Source/Core/Core/PowerPC/JitArm64/JitArm64_BackPatch.cpp
View File

@ -104,9 +104,10 @@ void JitArm64::EmitBackpatchRoutine(u32 flags, bool fastmem, bool do_farcode, AR
else if (flags & BackPatchInfo::FLAG_ZERO_256) else if (flags & BackPatchInfo::FLAG_ZERO_256)
{ {
// This literally only stores 32bytes of zeros to the target address // This literally only stores 32bytes of zeros to the target address
ADD(addr, addr, MEM_REG); ARM64Reg temp = ARM64Reg::X30;
STP(IndexType::Signed, ARM64Reg::ZR, ARM64Reg::ZR, addr, 0); ADD(temp, addr, MEM_REG);
STP(IndexType::Signed, ARM64Reg::ZR, ARM64Reg::ZR, addr, 16); STP(IndexType::Signed, ARM64Reg::ZR, ARM64Reg::ZR, temp, 0);
STP(IndexType::Signed, ARM64Reg::ZR, ARM64Reg::ZR, temp, 16);
} }
else else
{ {

7
Source/Core/Core/PowerPC/JitArm64/JitArm64_LoadStore.cpp
View File

@ -597,7 +597,7 @@ void JitArm64::dcbz(UGeckoInstruction inst)
int a = inst.RA, b = inst.RB; int a = inst.RA, b = inst.RB;
gpr.Lock(ARM64Reg::W0); gpr.Lock(ARM64Reg::W0, ARM64Reg::W30);
ARM64Reg addr_reg = ARM64Reg::W0; ARM64Reg addr_reg = ARM64Reg::W0;
@ -641,9 +641,6 @@ void JitArm64::dcbz(UGeckoInstruction inst)
} }
} }
// We don't care about being /too/ terribly efficient here
// As long as we aren't falling back to interpreter we're winning a lot
BitSet32 gprs_to_push = gpr.GetCallerSavedUsed(); BitSet32 gprs_to_push = gpr.GetCallerSavedUsed();
BitSet32 fprs_to_push = fpr.GetCallerSavedUsed(); BitSet32 fprs_to_push = fpr.GetCallerSavedUsed();
gprs_to_push[DecodeReg(ARM64Reg::W0)] = 0; gprs_to_push[DecodeReg(ARM64Reg::W0)] = 0;
@ -651,7 +648,7 @@ void JitArm64::dcbz(UGeckoInstruction inst)
EmitBackpatchRoutine(BackPatchInfo::FLAG_ZERO_256, true, true, ARM64Reg::W0, EmitBackpatchRoutine(BackPatchInfo::FLAG_ZERO_256, true, true, ARM64Reg::W0,
EncodeRegTo64(addr_reg), gprs_to_push, fprs_to_push); EncodeRegTo64(addr_reg), gprs_to_push, fprs_to_push);
gpr.Unlock(ARM64Reg::W0); gpr.Unlock(ARM64Reg::W0, ARM64Reg::W30);
} }
void JitArm64::eieio(UGeckoInstruction inst) void JitArm64::eieio(UGeckoInstruction inst)