Attachment #47014 for bug #92046

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      && !opts_set->x_flag_reorder_functions)
    opts->x_flag_reorder_functions = 1;

  /* Tune vectorization related parametees according to cost model.  */
  if (opts->x_flag_vect_cost_model == VECT_COST_MODEL_CHEAP)
    {
      maybe_set_param_value (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS,
            6, opts->x_param_values, opts_set->x_param_values);
      maybe_set_param_value (PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS,
            0, opts->x_param_values, opts_set->x_param_values);
      maybe_set_param_value (PARAM_VECT_MAX_PEELING_FOR_ALIGNMENT,
            0, opts->x_param_values, opts_set->x_param_values);
    }

  /* Set PARAM_MAX_STORES_TO_SINK to 0 if either vectorization or if-conversion
     is disabled.  */
  if ((!opts->x_flag_tree_loop_vectorize && !opts->x_flag_tree_slp_vectorize)
       || !opts->x_flag_tree_loop_if_convert)
    maybe_set_param_value (PARAM_MAX_STORES_TO_SINK, 0,
                           opts->x_param_values, opts_set->x_param_values);

  /* The -gsplit-dwarf option requires -ggnu-pubnames.  */
  if (opts->x_dwarf_split_debug_info)
    opts->x_debug_generate_pub_sections = 2;

Lines 2075-2080 vect_enhance_data_refs_alignment (loop_v Link Here

(-)gcc/tree-vect-data-refs.c (-9 / +14 lines)
2075	{	2075	{
2076	unsigned max_allowed_peel	2076	unsigned max_allowed_peel
2077	= PARAM_VALUE (PARAM_VECT_MAX_PEELING_FOR_ALIGNMENT);	2077	= PARAM_VALUE (PARAM_VECT_MAX_PEELING_FOR_ALIGNMENT);
		2078	if (flag_vect_cost_model == VECT_COST_MODEL_CHEAP)
		2079	max_allowed_peel = 0;
2078	if (max_allowed_peel != (unsigned)-1)	2080	if (max_allowed_peel != (unsigned)-1)
2079	{	2081	{
2080	unsigned max_peel = npeel;	2082	unsigned max_peel = npeel;
Lines 2168-2182 vect_enhance_data_refs_alignment (loop_v Link Here
2168	/* (2) Versioning to force alignment. */	2170	/* (2) Versioning to force alignment. */
2169		2171
2170	/* Try versioning if:	2172	/* Try versioning if:
2171	1) optimize loop for speed	2173	1) optimize loop for speed and the cost-model is not cheap
2172	2) there is at least one unsupported misaligned data ref with an unknown	2174	2) there is at least one unsupported misaligned data ref with an unknown
2173	misalignment, and	2175	misalignment, and
2174	3) all misaligned data refs with a known misalignment are supported, and	2176	3) all misaligned data refs with a known misalignment are supported, and
2175	4) the number of runtime alignment checks is within reason. */	2177	4) the number of runtime alignment checks is within reason. */
2176		2178
2177	do_versioning =	2179	do_versioning
2178	optimize_loop_nest_for_speed_p (loop)	2180	= (optimize_loop_nest_for_speed_p (loop)
2179	&& (!loop->inner); /* FORNOW */	2181	&& !loop->inner /* FORNOW */
		2182	&& flag_vect_cost_model > VECT_COST_MODEL_CHEAP);
2180		2183
2181	if (do_versioning)	2184	if (do_versioning)
2182	{	2185	{
Lines 3641-3653 vect_prune_runtime_alias_test_list (loop Link Here
3641	dump_printf_loc (MSG_NOTE, vect_location,	3644	dump_printf_loc (MSG_NOTE, vect_location,
3642	"improved number of alias checks from %d to %d\n",	3645	"improved number of alias checks from %d to %d\n",
3643	may_alias_ddrs.length (), count);	3646	may_alias_ddrs.length (), count);
3644	if ((int) count > PARAM_VALUE (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS))	3647	unsigned limit = PARAM_VALUE (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS);
		3648	if (flag_simd_cost_model == VECT_COST_MODEL_CHEAP)
		3649	limit = default_param_value
		3650	(PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS) * 6 / 10;
		3651	if (count > limit)
3645	return opt_result::failure_at	3652	return opt_result::failure_at
3646	(vect_location,	3653	(vect_location,
3647	"number of versioning for alias "	3654	"number of versioning for alias run-time tests exceeds %d "
3648	"run-time tests exceeds %d "	3655	"(--param vect-max-version-for-alias-checks)\n", limit);
3649	"(--param vect-max-version-for-alias-checks)\n",
3650	PARAM_VALUE (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS));
3651		3656
3652	return opt_result::success ();	3657	return opt_result::success ();
3653	}	3658	}

Lines 2467-2473 cond_if_else_store_replacement (basic_bl Link Here

(-)gcc/tree-ssa-phiopt.c (-1 / +5 lines)
2467	then_assign, else_assign);	2467	then_assign, else_assign);
2468	}	2468	}
2469		2469
2470	if (MAX_STORES_TO_SINK == 0)	2470	/* If either vectorization or if-conversion is disabled then do
		2471	not sink any stores. */
		2472	if (MAX_STORES_TO_SINK == 0
		2473	\|\| (!flag_tree_loop_vectorize && !flag_tree_slp_vectorize)
		2474	\|\| !flag_tree_loop_if_convert)
2471	return false;	2475	return false;
2472		2476
2473	/* Find data references. */	2477	/* Find data references. */

Return to bug 92046

Lines 1123-1146 finish_options (struct gcc_options *opts Link Here

(-)gcc/opts.c (-18 lines)
1123	&& !opts_set->x_flag_reorder_functions)	1123	&& !opts_set->x_flag_reorder_functions)
1124	opts->x_flag_reorder_functions = 1;	1124	opts->x_flag_reorder_functions = 1;
1125		1125
1126	/* Tune vectorization related parametees according to cost model. */
1127	if (opts->x_flag_vect_cost_model == VECT_COST_MODEL_CHEAP)
1128	{
1129	maybe_set_param_value (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS,
1130	6, opts->x_param_values, opts_set->x_param_values);
1131	maybe_set_param_value (PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS,
1132	0, opts->x_param_values, opts_set->x_param_values);
1133	maybe_set_param_value (PARAM_VECT_MAX_PEELING_FOR_ALIGNMENT,
1134	0, opts->x_param_values, opts_set->x_param_values);
1135	}
1136
1137	/* Set PARAM_MAX_STORES_TO_SINK to 0 if either vectorization or if-conversion
1138	is disabled. */
1139	if ((!opts->x_flag_tree_loop_vectorize && !opts->x_flag_tree_slp_vectorize)
1140	\|\| !opts->x_flag_tree_loop_if_convert)
1141	maybe_set_param_value (PARAM_MAX_STORES_TO_SINK, 0,
1142	opts->x_param_values, opts_set->x_param_values);
1143
1144	/* The -gsplit-dwarf option requires -ggnu-pubnames. */	1126	/* The -gsplit-dwarf option requires -ggnu-pubnames. */
1145	if (opts->x_dwarf_split_debug_info)	1127	if (opts->x_dwarf_split_debug_info)
1146	opts->x_debug_generate_pub_sections = 2;	1128	opts->x_debug_generate_pub_sections = 2;