https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77289
--- Comment #3 from Segher Boessenkool <segher at gcc dot gnu.org> --- And this 208 vs. sfp is created by combine: Trying 76 -> 77: Successfully matched this instruction: (parallel [ (set (reg:SF 33 1) (mem:SF (plus:SI (reg/f:SI 113 sfp) (const_int 8 [0x8])) [1 MEM[base: _17, offset: 0B]+0 S4 A32])) (set (reg:SI 208 [ ivtmp.6 ]) (plus:SI (reg/f:SI 113 sfp) (const_int 8 [0x8]))) ])