[PATCH] Improve memory statistics report readability.

[Martin Liška]

Hi.

The patch is fixing an error in vec_safe_grow_cleared function.
Apart from that I improved readability of the report.

Patch bootstrap with --enable-gather-detailed-mem-stats.

Ready to be installed?
Thanks,
Martin

gcc/ChangeLog:

2019-02-26  Martin Liska  <mliska@suse.cz>

	* alloc-pool.h (struct pool_usage): Remove extra
	print_dash_line.
	* bitmap.h (struct bitmap_usage): Likewise.
	* ggc-common.c (struct ggc_usage): Likewise.
	* mem-stats.h (struct mem_usage): Likewise.
	(mem_alloc_description::dump): Print dash lines
	here and repeat header at the end of a table report.
	It's then more readable.
	* tree-phinodes.c (phinodes_print_statistics): Make
	horizontal alignment.
	* tree-ssanames.c (ssanames_print_statistics): Likewise.
	* vec.c (struct vec_usage): Remove extra print_dash_line.
	* vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.

libcpp/ChangeLog:

2019-02-26  Martin Liska  <mliska@suse.cz>

	* symtab.c (ht_dump_statistics): Make
	horizontal alignment for statistics.
---
 gcc/alloc-pool.h    |  3 ---
 gcc/bitmap.h        |  1 -
 gcc/ggc-common.c    |  3 ---
 gcc/mem-stats.h     |  9 ++++++---
 gcc/tree-phinodes.c |  4 ++--
 gcc/tree-ssanames.c |  4 ++--
 gcc/vec.c           |  3 ---
 gcc/vec.h           |  2 +-
 libcpp/symtab.c     | 24 +++++++++++++-----------
 9 files changed, 24 insertions(+), 29 deletions(-)


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