http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49781
--- Comment #35 from H.J. Lu <hjl.tools at gmail dot com> 2011-08-08 16:28:58 UTC --- It works much better now. But gcc.dg/torture/pr47744-2.c compiled with -mx32 -O3 -std=gnu99 -ftree-vectorize -funroll-loops still generates those leal: leal (%rsi,%r9), %ebp leal (%r10,%r9), %r12d leal (%r10,%r9), %r12d