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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/114843] AArch64: Wrong Register Reload in
 _Unwind_RaiseException causes corrupt return value on _URC_END_OF_STACK
Date: Thu, 25 Apr 2024 06:53:11 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114843

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
((insn 262 261 263 14 (parallel [
            (set (reg:DI 0 x0)
                (unspec:DI [
                        (mem/c:V2x8QI (plus:DI (reg/f:DI 31 sp)
                                (const_int 16 [0x10])) [0  S16 A8])
                    ] UNSPEC_LDP_FST))
            (set (reg:DI 1 x1)
                (unspec:DI [
                        (mem/c:V2x8QI (plus:DI (reg/f:DI 31 sp)
                                (const_int 16 [0x10])) [0  S16 A8])
                    ] UNSPEC_LDP_SND))
        ]) "../../../libgcc/unwind.inc":141:1 -1
     (nil))

It is added by pro_and_epilogue for some reason ...=