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Merge pull request #11338 from JosJuice/jitarm64-revert-supposed-tail 

Revert "JitArm64: Optimize a few tail calls"
This commit is contained in:
Mai 2022-12-10 19:11:23 +00:00 committed by GitHub
parent 098e2b3628 64bc150b8c
commit 48ce5318e1
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 7 deletions
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12
Source/Core/Core/PowerPC/JitArm64/Jit.cpp
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@ -350,9 +350,8 @@ void JitArm64::IntializeSpeculativeConstants()
STR(IndexType::Unsigned, DISPATCHER_PC, PPC_REG, PPCSTATE_OFF(pc)); STR(IndexType::Unsigned, DISPATCHER_PC, PPC_REG, PPCSTATE_OFF(pc));
MOVP2R(ARM64Reg::X8, &JitInterface::CompileExceptionCheck); MOVP2R(ARM64Reg::X8, &JitInterface::CompileExceptionCheck);
MOVI2R(ARM64Reg::W0, static_cast<u32>(JitInterface::ExceptionType::SpeculativeConstants)); MOVI2R(ARM64Reg::W0, static_cast<u32>(JitInterface::ExceptionType::SpeculativeConstants));
// Write dispatcher_no_check to LR for tail call BLR(ARM64Reg::X8);
MOVP2R(ARM64Reg::X30, dispatcher_no_check); B(dispatcher_no_check);
BR(ARM64Reg::X8);
SwitchToNearCode(); SwitchToNearCode();
} }
@ -844,11 +843,10 @@ bool JitArm64::DoJit(u32 em_address, JitBlock* b, u32 nextPC)
SetJumpTarget(fail); SetJumpTarget(fail);
MOVI2R(DISPATCHER_PC, js.blockStart); MOVI2R(DISPATCHER_PC, js.blockStart);
STR(IndexType::Unsigned, DISPATCHER_PC, PPC_REG, PPCSTATE_OFF(pc)); STR(IndexType::Unsigned, DISPATCHER_PC, PPC_REG, PPCSTATE_OFF(pc));
MOVP2R(ARM64Reg::X8, &JitInterface::CompileExceptionCheck);
MOVI2R(ARM64Reg::W0, static_cast<u32>(JitInterface::ExceptionType::PairedQuantize)); MOVI2R(ARM64Reg::W0, static_cast<u32>(JitInterface::ExceptionType::PairedQuantize));
// Write dispatcher_no_check to LR for tail call MOVP2R(ARM64Reg::X1, &JitInterface::CompileExceptionCheck);
MOVP2R(ARM64Reg::X30, dispatcher_no_check); BLR(ARM64Reg::X1);
BR(ARM64Reg::X8); B(dispatcher_no_check);
SwitchToNearCode(); SwitchToNearCode();
SetJumpTarget(no_fail); SetJumpTarget(no_fail);
js.assumeNoPairedQuantize = true; js.assumeNoPairedQuantize = true;