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JitArm64: Call swap variants of memory write functions 

Write_U16_Swap leaves the upper 32 bits alone. Reimplementing this
correctly in the JIT would require more than one instruction,
so let's just call Write_U16_Swap instead, like Jit64 does.
This commit is contained in:
JosJuice 2021-07-26 17:34:00 +02:00
parent ecbce0a204
commit 12629beff8
1 changed files with 4 additions and 6 deletions
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10
Source/Core/Core/PowerPC/JitArm64/JitArm64_BackPatch.cpp
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@ -197,18 +197,16 @@ void JitArm64::EmitBackpatchRoutine(u32 flags, bool fastmem, bool do_farcode, AR
} }
else if (flags & BackPatchInfo::FLAG_STORE) else if (flags & BackPatchInfo::FLAG_STORE)
{ {
ARM64Reg temp = ARM64Reg::W0; const bool reverse = (flags & BackPatchInfo::FLAG_REVERSE) != 0;
temp = ByteswapBeforeStore(this, temp, RS, flags, false);
if (temp != ARM64Reg::W0)
MOV(ARM64Reg::W0, temp);
if (flags & BackPatchInfo::FLAG_SIZE_32) if (flags & BackPatchInfo::FLAG_SIZE_32)
MOVP2R(ARM64Reg::X8, &PowerPC::Write_U32); MOVP2R(ARM64Reg::X8, reverse ? &PowerPC::Write_U32_Swap : &PowerPC::Write_U32);
else if (flags & BackPatchInfo::FLAG_SIZE_16) else if (flags & BackPatchInfo::FLAG_SIZE_16)
MOVP2R(ARM64Reg::X8, &PowerPC::Write_U16); MOVP2R(ARM64Reg::X8, reverse ? &PowerPC::Write_U16_Swap : &PowerPC::Write_U16);
else else
MOVP2R(ARM64Reg::X8, &PowerPC::Write_U8); MOVP2R(ARM64Reg::X8, &PowerPC::Write_U8);
MOV(ARM64Reg::W0, RS);
BLR(ARM64Reg::X8); BLR(ARM64Reg::X8);
} }
else if (flags & BackPatchInfo::FLAG_ZERO_256) else if (flags & BackPatchInfo::FLAG_ZERO_256)