X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fgraphite-blocking.c;h=4c8a700f9ec51fb5ee651e680d97c6e2ba4434bb;hb=9a0158f5405d63f114f45afd293cd69182a0bdb4;hp=e44ad8a921cceee6919186cd41ea0474ae51752a;hpb=43217ce91110f35e448c42647e969093efc4e8e9;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/graphite-blocking.c b/gcc/graphite-blocking.c index e44ad8a921c..4c8a700f9ec 100644 --- a/gcc/graphite-blocking.c +++ b/gcc/graphite-blocking.c @@ -174,11 +174,11 @@ pbb_strip_mine_time_depth (poly_bb_p pbb, int time_depth, int stride) } /* Returns true when strip mining with STRIDE of the loop around PBB - at scattering time TIME_DEPTH is profitable. */ + at DEPTH is profitable. */ static bool pbb_strip_mine_profitable_p (poly_bb_p pbb, - graphite_dim_t time_depth, + graphite_dim_t depth, int stride) { Value niter, strip_stride; @@ -187,7 +187,7 @@ pbb_strip_mine_profitable_p (poly_bb_p pbb, value_init (strip_stride); value_init (niter); value_set_si (strip_stride, stride); - pbb_number_of_iterations_at_time (pbb, time_depth, niter); + pbb_number_of_iterations_at_time (pbb, psct_dynamic_dim (pbb, depth), niter); res = value_gt (niter, strip_stride); value_clear (strip_stride); value_clear (niter); @@ -234,6 +234,7 @@ lst_do_strip_mine (lst_p lst) lst_p l; bool res = false; int stride = PARAM_VALUE (PARAM_LOOP_BLOCK_TILE_SIZE); + int depth; if (!lst || !LST_LOOP_P (lst)) @@ -242,9 +243,10 @@ lst_do_strip_mine (lst_p lst) for (i = 0; VEC_iterate (lst_p, LST_SEQ (lst), i, l); i++) res |= lst_do_strip_mine (l); - if (lst_depth (lst) >= 0 + depth = lst_depth (lst); + if (depth >= 0 && pbb_strip_mine_profitable_p (LST_PBB (lst_find_first_pbb (lst)), - lst_depth (lst), stride)) + depth, stride)) { res |= lst_do_strip_mine_loop (lst, lst_depth (lst)); lst_add_loop_under_loop (lst);