piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-24 06:39:46 -06:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #13239 from JosJuice/jitarm64-rlwimix-imm-mask

Browse Source 
JitArm64: Use AArch64 imm masks in rlwimix slow case
This commit is contained in:
JMC47
2025-05-01 21:26:27 -04:00
committed by GitHub
parent e4525ca7ee 48a7afa448
commit 1bd2570d97
1 changed files with 4 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
Source/Core/Core/PowerPC/JitArm64/JitArm64_Integer.cpp
View File

@ -2266,12 +2266,11 @@ void JitArm64::rlwimix(UGeckoInstruction inst)
gpr.BindToRegister(a, true);
ARM64Reg RA = gpr.R(a);
auto WA = gpr.GetScopedReg();
auto WB = a == s ? gpr.GetScopedReg() : Arm64GPRCache::ScopedARM64Reg(RA);
const u32 inverted_mask = ~mask;
MOVI2R(WA, mask);
BIC(WB, RA, WA);
AND(WA, WA, gpr.R(s), ArithOption(gpr.R(s), ShiftType::ROR, rot_dist));
ORR(RA, WB, WA);
AND(WA, gpr.R(s), LogicalImm(std::rotl(mask, rot_dist), GPRSize::B32));
AND(RA, RA, LogicalImm(inverted_mask, GPRSize::B32));
ORR(RA, RA, WA, ArithOption(WA, ShiftType::ROR, rot_dist));
}
if (inst.Rc)