[Bug target/125320] riscv: broken assembly with -march=rv64gc_xtheadmemidx -fstack-protector-strong -O2

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125320

Drea Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2026-05-14
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1

--- Comment #1 from Drea Pinski <pinskia at gcc dot gnu.org> ---
#(insn 17 44 18 (parallel [
#            (set (reg:DI 15 a5 [139])
#                (unspec:DI [
#                        (mem/v/f/c:DI (plus:DI (reg/f:DI 2 sp)
#                                (reg:DI 15 a5 [148])) [1 D.2465+0 S8 A64])
#                        (mem/v/f/c:DI (reg/f:DI 8 s0 [134]) [1
__stack_chk_guardD.2466+0 S8 A64])
#                    ] UNSPEC_SSP_TEST))
#            (clobber (reg:DI 14 a4 [142]))
#        ]) "/app/example.cpp":5:1 488 {stack_protect_test_di}
#     (expr_list:REG_UNUSED (reg:DI 14 a4 [142])
#        (nil)))
        ld      a4, sp,a5,0 # 17      [c=60 l=12]  stack_protect_test_di