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| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-08-17 10:49:30 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-08-17 10:49:30 +0000 |
| commit | 93b67a86f6497df9baeb9482e756dff8e1883ec9 (patch) | |
| tree | 2065dbc6e7f7a4efd27d10c6511c44fe1ecdb5fc /gcc/bitmap.h | |
| parent | 010e37ad8f1f2387801bb3298735aa06611d57bd (diff) | |
| download | gcc-93b67a86f6497df9baeb9482e756dff8e1883ec9.tar.gz | |
2012-08-17 Richard Guenther <rguenther@suse.de>
* bitmap.h (struct bitmap_element_def): GTY annotate next/prev.
(struct bitmap_head_def): GTY skip current field.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@190479 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/bitmap.h')
| -rw-r--r-- | gcc/bitmap.h | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/gcc/bitmap.h b/gcc/bitmap.h index 6ca9073750d..1c39cd49efd 100644 --- a/gcc/bitmap.h +++ b/gcc/bitmap.h @@ -167,9 +167,9 @@ typedef struct GTY (()) bitmap_obstack { bitmap_elt_clear_from to be implemented in unit time rather than linear in the number of elements to be freed. */ -typedef struct GTY(()) bitmap_element_def { - struct bitmap_element_def *next; /* Next element. */ - struct bitmap_element_def *prev; /* Previous element. */ +typedef struct GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) bitmap_element_def { + struct bitmap_element_def *next; /* Next element. */ + struct bitmap_element_def *prev; /* Previous element. */ unsigned int indx; /* regno/BITMAP_ELEMENT_ALL_BITS. */ BITMAP_WORD bits[BITMAP_ELEMENT_WORDS]; /* Bits that are set. */ } bitmap_element; @@ -177,15 +177,17 @@ typedef struct GTY(()) bitmap_element_def { struct bitmap_descriptor; /* Head of bitmap linked list. gengtype ignores ifdefs, but for statistics we need to add a bitmap descriptor pointer. As it is - not collected, we can just GTY((skip)) it. */ + not collected, we can just GTY((skip(""))) it. Likewise current + points to something already pointed to by the chain started by first, + no need to walk it again. */ typedef struct GTY(()) bitmap_head_def { - bitmap_element *first; /* First element in linked list. */ - bitmap_element *current; /* Last element looked at. */ - unsigned int indx; /* Index of last element looked at. */ - bitmap_obstack *obstack; /* Obstack to allocate elements from. - If NULL, then use GGC allocation. */ - struct bitmap_descriptor GTY((skip)) *desc; + bitmap_element *first; /* First element in linked list. */ + bitmap_element * GTY((skip(""))) current; /* Last element looked at. */ + unsigned int indx; /* Index of last element looked at. */ + bitmap_obstack *obstack; /* Obstack to allocate elements from. + If NULL, then use GGC allocation. */ + struct bitmap_descriptor GTY((skip(""))) *desc; } bitmap_head; /* Global data */ |