dist/gcc/tree-vect-stmts.c

198    Mark STMT_INFO as "relevant for vectorization" and add it to WORKLIST.  */
202 		    enum vect_relevant relevant, bool live_p)
209 		     "mark relevant %d, live %d: %G", relevant, live_p,
220 	 as relevant/live because it's not going to be vectorized.
226 			 " relevant/live.\n");
235   if (relevant > STMT_VINFO_RELEVANT (stmt_info))
236     STMT_VINFO_RELEVANT (stmt_info) = relevant;
243                          "already marked relevant/live.\n");
287    is "relevant for vectorization".
289    A stmt is considered "relevant for vectorization" if:
298 		      enum vect_relevant *relevant, bool *live_p)
306   *relevant = vect_unused_in_scope;
312     *relevant = vect_used_in_scope;
322 	*relevant = vect_used_in_scope;
350   if (*live_p && *relevant == vect_unused_in_scope
355 			 "vec_stmt_relevant_p: stmt live but not relevant.\n");
356       *relevant = vect_used_only_live;
359   return (*live_p || *relevant);
434      the WORKLIST (to add DEF_STMT to the WORKLIST in case it is relevant).
442        STMT_VINFO_RELEVANT (DEF_stmt_vinfo) <-- relevant
450    "relevant" will be modified accordingly.
456 	     enum vect_relevant relevant, vec<stmt_vec_info> *worklist,
463      that are used for address computation are not considered relevant.  */
490       vect_mark_relevant (worklist, dstmt_vinfo, relevant, true);
507       switch (relevant)
510 	  relevant = (STMT_VINFO_DEF_TYPE (stmt_vinfo) == vect_nested_cycle) ?
516 	  relevant = vect_used_by_reduction;
521 	  relevant = vect_used_in_scope;
545       switch (relevant)
548           relevant = (STMT_VINFO_DEF_TYPE (stmt_vinfo) == vect_reduction_def
555           relevant = vect_used_in_outer_by_reduction;
559           relevant = vect_used_in_outer;
584   vect_mark_relevant (worklist, dstmt_vinfo, relevant, false);
615   enum vect_relevant relevant;
629 	    dump_printf_loc (MSG_NOTE, vect_location, "init: phi relevant? %G",
632 	  if (vect_stmt_relevant_p (phi_info, loop_vinfo, &relevant, &live_p))
633 	    vect_mark_relevant (&worklist, phi_info, relevant, live_p);
640 			       "init: stmt relevant? %G", stmt_info->stmt);
642 	  if (vect_stmt_relevant_p (stmt_info, loop_vinfo, &relevant, &live_p))
643 	    vect_mark_relevant (&worklist, stmt_info, relevant, live_p);
659 	 (DEF_STMT) as relevant/irrelevant according to the relevance property
661       relevant = STMT_VINFO_RELEVANT (stmt_vinfo);
668 	 This is because we distinguish between two kinds of relevant stmts -
677 	    gcc_assert (relevant != vect_unused_in_scope);
678 	    if (relevant != vect_unused_in_scope
679 		&& relevant != vect_used_in_scope
680 		&& relevant != vect_used_by_reduction
681 		&& relevant != vect_used_only_live)
687 	    if (relevant != vect_unused_in_scope
688 		&& relevant != vect_used_in_outer_by_reduction
689 		&& relevant != vect_used_in_outer)
695 	    if (relevant != vect_unused_in_scope
696 		&& relevant != vect_used_by_reduction
697 		&& relevant != vect_used_only_live)
721 				   loop_vinfo, relevant, &worklist, false);
725 				     loop_vinfo, relevant, &worklist, false);
736 			= process_use (stmt_vinfo, op, loop_vinfo, relevant,
749 		    = process_use (stmt_vinfo, arg, loop_vinfo, relevant,
761 	      = process_use (stmt_vinfo, op, loop_vinfo, relevant,
773 	    = process_use (stmt_vinfo, gs_info.offset, loop_vinfo, relevant,
1575    STMT_VINFO_VEC_STMT of the defining stmt holds the relevant def.
1658    get the relevant vector-def for each operand of S2.  For operand x it
1662    function is called to get the relevant vector-def for each operand.  It is
6287         To vectorize stmt S2 we first need to find the relevant vector
6291         relevant vector def 'vx0'.  Having found 'vx0' we can generate
6294         When creating the second copy (VS2_1), we obtain the relevant vector
6296         stmt VS1_0.  This way we find the stmt VS1_1 and the relevant
10852      instance, therefore, all the statements are relevant.
10855      if the original statement is not relevant.  Otherwise, we analyze both
10993 				   " relevant stmt not supported: %G",
11163       /* Find the relevant loop-exit phi-node, and reord the vec_stmt there