================
@@ -5647,20 +5639,15 @@ Value *CodeGenFunction::EmitAArch64BuiltinExpr(unsigned
BuiltinID,
}
if (BuiltinID == clang::AArch64::BI_ReadStatusReg ||
- BuiltinID == clang::AArch64::BI_WriteStatusReg ||
- BuiltinID == clang::AArch64::BI__sys) {
+ BuiltinID == clang::AArch64::BI_WriteStatusReg) {
LLVMContext &Context = CGM.getLLVMContext();
unsigned SysReg =
E->getArg(0)->EvaluateKnownConstInt(getContext()).getZExtValue();
std::string SysRegStr;
- unsigned SysRegOp0 = (BuiltinID == clang::AArch64::BI_ReadStatusReg ||
- BuiltinID == clang::AArch64::BI_WriteStatusReg)
- ? ((1 << 1) | ((SysReg >> 14) & 1))
- : 1;
llvm::raw_string_ostream(SysRegStr)
- << SysRegOp0 << ":" << ((SysReg >> 11) & 7) << ":"
+ << (0b10 | SysReg >> 14) << ":" << ((SysReg >> 11) & 7) << ":"
----------------
Lukacma wrote:
I don't think it is necessary. We have Sema checks ensuring the other bits16
onwards are set to 0.
https://github.com/llvm/llvm-project/pull/187290
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