On Mon, Jul 22, 2013 at 7:05 PM, Bill Schmidt <wschm...@linux.vnet.ibm.com> wrote: > This patch is another fix for vector handling in little endian mode. > The first two operands for a pack pattern are two vector registers that > form a contiguous array of inputs. In LE mode the order of the operands > must be reversed so that the array remains contiguous in the reverse > order. > > This fixes a failure in the testsuite when run little-endian > (gcc.dg/vect/no-scevccp-outer-18.c). Bootstrapped and tested big-endian > on powerpc64-unknown-linux-gnu with no new regressions. Ok for trunk? > > Patch by Anton Blanchard. > > Thanks, > Bill > > > 2013-07-22 Bill Schmidt <wschm...@linux.vnet.ibm.com> > Anton Blanchard <an...@au1.ibm.com> > > * config/rs6000/rs6000.c (altivec_expand_vec_perm_const): Reverse > two operands for little-endian.
Wouldn't it be better to handle this where the code is performing a swap a few lines above? Thanks, David
