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{a32,a64}_emit_x64_memory: Zero extension paranoia

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This commit is contained in:
Merry 2022-03-06 12:10:16 +00:00
parent 0fd32c5fa4
commit 316b95bb3f
2 changed files with 6 additions and 0 deletions
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3
src/dynarmic/backend/x64/a32_emit_x64_memory.cpp
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@ -85,6 +85,7 @@ void A32EmitX64::GenFastmemFallbacks() {
code.mov(code.ABI_PARAM2, Xbyak::Reg64{vaddr_idx}); code.mov(code.ABI_PARAM2, Xbyak::Reg64{vaddr_idx});
} }
} }
code.ZeroExtendFrom(bitsize, code.ABI_PARAM3);
callback.EmitCall(code); callback.EmitCall(code);
ABI_PopCallerSaveRegistersAndAdjustStack(code); ABI_PopCallerSaveRegistersAndAdjustStack(code);
code.ret(); code.ret();
@ -110,7 +111,9 @@ void A32EmitX64::GenFastmemFallbacks() {
code.mov(code.ABI_PARAM2, Xbyak::Reg64{vaddr_idx}); code.mov(code.ABI_PARAM2, Xbyak::Reg64{vaddr_idx});
} }
} }
code.ZeroExtendFrom(bitsize, code.ABI_PARAM3);
code.mov(code.ABI_PARAM4, rax); code.mov(code.ABI_PARAM4, rax);
code.ZeroExtendFrom(bitsize, code.ABI_PARAM4);
callback.EmitCall(code); callback.EmitCall(code);
ABI_PopCallerSaveRegistersAndAdjustStackExcept(code, HostLoc::RAX); ABI_PopCallerSaveRegistersAndAdjustStackExcept(code, HostLoc::RAX);
code.ret(); code.ret();

3
src/dynarmic/backend/x64/a64_emit_x64_memory.cpp
View file

@ -227,6 +227,7 @@ void A64EmitX64::GenFastmemFallbacks() {
code.mov(code.ABI_PARAM2, Xbyak::Reg64{vaddr_idx}); code.mov(code.ABI_PARAM2, Xbyak::Reg64{vaddr_idx});
} }
} }
code.ZeroExtendFrom(bitsize, code.ABI_PARAM3);
callback.EmitCall(code); callback.EmitCall(code);
ABI_PopCallerSaveRegistersAndAdjustStack(code); ABI_PopCallerSaveRegistersAndAdjustStack(code);
code.ret(); code.ret();
@ -252,7 +253,9 @@ void A64EmitX64::GenFastmemFallbacks() {
code.mov(code.ABI_PARAM2, Xbyak::Reg64{vaddr_idx}); code.mov(code.ABI_PARAM2, Xbyak::Reg64{vaddr_idx});
} }
} }
code.ZeroExtendFrom(bitsize, code.ABI_PARAM3);
code.mov(code.ABI_PARAM4, rax); code.mov(code.ABI_PARAM4, rax);
code.ZeroExtendFrom(bitsize, code.ABI_PARAM4);
callback.EmitCall(code); callback.EmitCall(code);
ABI_PopCallerSaveRegistersAndAdjustStackExcept(code, HostLoc::RAX); ABI_PopCallerSaveRegistersAndAdjustStackExcept(code, HostLoc::RAX);
code.ret(); code.ret();