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. > (expand_vec_perm_1): Handle identity and some broadcast > permutations. > (expand_vec_perm_interleave2): Handle also 32-byte modes, using > vperm2[fi]128 or vpunpck[lh]* followed by single insn permutation. > For d->testing_p return true earlier to avoid creating more GC > garbage. > (expand_vec_perm_vpermq_perm_1): New function. > (expand_vec_perm_vpshufb2_vpermq): For d->testing_p return true > earlier to avoid creating more GC garbage. Fix handling of > V16HImode. Avoid some SUBREGs in SET_DEST. > (expand_vec_perm_broadcast_1): Return false for 32-byte integer > vector modes. > (expand_vec_perm_vpshufb4_vpermq2): New function. > (ix86_expand_vec_perm_builtin_1): Call expand_vec_perm_vpermq_perm_1 > and expand_vec_perm_vpshufb4_vpermq2.
Ok. r~
