Re: [PATCH 2/2] testsuite/unroll-8: Disable vectorization for varibale-factor targets

[Jeff Law]

On 11/21/23 16:27, Palmer Dabbelt wrote:
The vectorizer picks up these loops and disables unrolling on targets
with variable vector factors.  That result in better code here, but it
trips up the unrolling tests.  So just disable vectorization for these.

gcc/testsuite/ChangeLog:

        PR target/112531
        * gcc.dg/unroll-8.c: Disable vectorization on arm64 and riscv.
So probably the right check is to test for vector and 
!vect_variable_length rather than doing something target specific for 
aarch64/riscv

Jeff