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Reorg line_map data structures for better packing.

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* include/line-map.h (enum lc_reason): Add LC_HWM.
	(LINE_MAP_MAX_LOCATION): Define here.
	(struct line_map): Move reason field to line_map_ordinary.  Adjust
	GTY tagging.
	(struct line_map_ordinary): Reorder fields for less padding.
	(struct line_map_macro): Likewise.
	(MAP_ORDINARY_P): New.
	(linemap_check_ordinary, linemap_check_macro): Adjust.
	* line-map.c (LINE_MAP_MAX_SOURCE_LOCATION): Delete.
	(new_linemap): Take start_location, not reason.  Adjust.
	(linemap_add, linemap_enter_macro): Adjust.
	(linemap_line_start): Likewise.
	(linemap_macro_expansion_map_p): Use MAP_ORDINARY_P.
	(linemap_macro_loc_to_spelling_point): Likewise.
	(linemap_macro_loc_to_def_point): Likewise.
	(linemap_dump): Likewise.

From-SVN: r262348
This commit is contained in:
Nathan Sidwell
2018-07-03 14:47:11 +00:00
committed by Nathan Sidwell
parent 42addb5adf
commit 42a98b43bb
3 changed files with 123 additions and 84 deletions
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libcpp/ChangeLog
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@@ -1,3 +1,23 @@
2018-07-03 Nathan Sidwell <nathan@acm.org>
Reorg line_map data structures for better packing.
* include/line-map.h (enum lc_reason): Add LC_HWM.
(LINE_MAP_MAX_LOCATION): Define here.
(struct line_map): Move reason field to line_map_ordinary. Adjust
GTY tagging.
(struct line_map_ordinary): Reorder fields for less padding.
(struct line_map_macro): Likewise.
(MAP_ORDINARY_P): New.
(linemap_check_ordinary, linemap_check_macro): Adjust.
* line-map.c (LINE_MAP_MAX_SOURCE_LOCATION): Delete.
(new_linemap): Take start_location, not reason. Adjust.
(linemap_add, linemap_enter_macro): Adjust.
(linemap_line_start): Likewise.
(linemap_macro_expansion_map_p): Use MAP_ORDINARY_P.
(linemap_macro_loc_to_spelling_point): Likewise.
(linemap_macro_loc_to_def_point): Likewise.
(linemap_dump): Likewise.
2018-05-23 Jason Merrill <jason@redhat.com>
* system.h: #include <new> earlier.