https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112331
--- Comment #5 from Richard Biener ---
I'm not sure what the problem is with a zero DR step for an inner loop
reference
(possibly dependence analysis runs into some unhandled cases - who knows). The
following vectorizes the inner loop (the loa
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112331
--- Comment #4 from JuzheZhong ---
I see.
It does vectorize it with -fno-vect-cost-model -fno-loop-interchange:
https://gcc.godbolt.org/z/8EEWcPro3
Codegen same as LLVM.
I am gonna revisit it in GCC-15 (GCC-14 stage 1 is closing soon).
Th
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112331
Richard Biener changed:
What|Removed |Added
Summary|middle-end: Fail|Fail vectorization after