Come up with SIZE_AMOUNT and use it in memory statistics and sort stats.

2018-11-05  Martin Liska  <mliska@suse.cz>

	* alloc-pool.h (struct pool_usage): Use SIZE_AMOUNT.
	* bitmap.h (struct bitmap_usage): Likewise.
	* ggc-common.c (SCALE): Remove.
	(LABEL): Likewise.
	(struct ggc_usage): Use SIZE_AMOUNT. And update
	compare method.
	* ggc-page.c (SCALE): Remove.
	(STAT_LABEL): Remove.
	(ggc_print_statistics): Use SIZE_AMOUNT.
	* gimple.h (SCALE): Remove.
	(LABEL): Likewise.
	* input.c (ONE_K): Remove.
	(ONE_M): Likewise.
	(SCALE): Likewise.
	(STAT_LABEL): Likewise.
	(FORMAT_AMOUNT): Likewise.
	(dump_line_table_statistics): Use SIZE_AMOUNT.
	* mem-stats.h (struct mem_usage): Likewise.
	* rtl.c (dump_rtx_statistics): Likewise.
	(rtx_alloc_counts): Change type to size_t.
	(rtx_alloc_sizes): Likewise.
	(rtx_count_cmp): New.
	(dump_rtx_statistics): Sort first based on counts.
	* tree.c (tree_nodes_cmp): New.
	(tree_codes_cmp): New.
	(dump_tree_statistics): Sort first based on counts.
	* system.h (ONE_K): New.
	(ONE_M): Likewise.
	(SIZE_SCALE): Likewise.
	(SIZE_LABEL): Likewise.
	(SIZE_AMOUNT): Likewise.
	* tree-cfg.c (dump_cfg_stats): Use SIZE_AMOUNT.
	* tree-dfa.c (dump_dfa_stats): Likewise.
	* tree-phinodes.c (phinodes_print_statistics): Likewise.
	* tree-ssanames.c (ssanames_print_statistics): Likewise.
	* tree.c (dump_tree_statistics): Likewise.
	* vec.c (struct vec_usage): Likewise.
	* trans-mem.c (tm_mangle): Enlarge buffer in order to not
	trigger a -Werror=format-overflow with
	--enable-gather-detailed-stats.

From-SVN: r265800