Jakub Jelinek <ja...@redhat.com> wrote: >Hi! > >Uros has reported my optimize_vector_constructor optimization causes >problems on Alpha which for some vector modes supports only moves, but >not >arithmetics. The following patch fixed that in a cross compiler, >and has been bootstrapped/regtested on x86_64-linux and i686-linux. > >Ok for trunk?
Ok. Thanks, Richard. >2013-11-26 Jakub Jelinek <ja...@redhat.com> > > PR middle-end/59273 > * tree-vect-generic.c (optimize_vector_constructor): Don't optimize > if there isn't optab handler for the corresponding vector PLUS_EXPR. > >--- gcc/tree-vect-generic.c.jj 2013-11-22 21:03:16.000000000 +0100 >+++ gcc/tree-vect-generic.c 2013-11-26 08:53:11.117052615 +0100 >@@ -1015,9 +1015,14 @@ optimize_vector_constructor (gimple_stmt > tree *cst; > gimple g; > tree base = NULL_TREE; >+ optab op; > > if (nelts <= 2 || CONSTRUCTOR_NELTS (rhs) != nelts) > return; >+ op = optab_for_tree_code (PLUS_EXPR, type, optab_default); >+ if (op == unknown_optab >+ || optab_handler (op, TYPE_MODE (type)) == CODE_FOR_nothing) >+ return; > FOR_EACH_VEC_SAFE_ELT (CONSTRUCTOR_ELTS (rhs), i, elt) > if (TREE_CODE (elt->value) != SSA_NAME > || TREE_CODE (TREE_TYPE (elt->value)) == VECTOR_TYPE) > > Jakub
