Hi!
Now that there is a better testsuite for constant reshuffling, this patch
fixes various issues I found plus improves various permutations.
Bootstrapped/regtested on x86_64-linux and i686-linux, additionally
tested with
GCC_TEST_RUN_EXPENSIVE=1 make check-gcc
On 10/18/2011 08:30 AM, Jakub Jelinek wrote:
* config/i386/i386.c (ix86_expand_vec_perm): In merge_two use
mode SUBREG of operands[0] as target.
(valid_perm_using_mode_p): Don't ignore higher bits of d-perm.
(expand_vec_pshufb): For V8SImode vmode emit avx2_permvarv8si.
