https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87434
kelvin at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|-
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87434
--- Comment #2 from kelvin at gcc dot gnu.org ---
Thanks for this suggestion. I'll investigate further.
(My intent was to advise the compiler that this new memory address expression
computes the same memory location as the original memory addres
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87434
--- Comment #1 from Richard Biener ---
+ rtx new_mem = gen_rtx_MEM (GET_MODE (mem), derived_ptr_reg);
+ MEM_COPY_ATTRIBUTES (new_mem, mem);
I think it's dangerous to use old MEMs attributes this way, esp. MEM_EXPR
and fri
