https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111334
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
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Component|rtl-optimization |target
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to chenglulu from comment #3)
> This involves the template <optab>di3_fake:
> (define_insn "<optab>di3_fake"
> [(set (match_operand:DI 0 "register_operand" "=r,&r,&r")
> (sign_extend:DI
> (any_div:SI (match_operand:DI 1 "register_operand" "r,r,0")
> (match_operand:DI 2 "register_operand" "r,r,r"))))]
That pattern definitely looks broken.
Divide's operands' mode must match the mode of the divide IIRC.