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| author | Steven Bosscher <steven@gcc.gnu.org> | 2012-07-26 12:02:54 +0000 |
|---|---|---|
| committer | Steven Bosscher <steven@gcc.gnu.org> | 2012-07-26 12:02:54 +0000 |
| commit | 0263463dd114d7ea50230ae6c53e7031615b2ec8 (patch) | |
| tree | b377f47b8511c1d1b93b64e5b37aef519af1940b /gcc/sbitmap.c | |
| parent | 6b4496dbc3afe3f18aaf3fa6792995427194d685 (diff) | |
| download | gcc-0263463dd114d7ea50230ae6c53e7031615b2ec8.zip gcc-0263463dd114d7ea50230ae6c53e7031615b2ec8.tar.gz gcc-0263463dd114d7ea50230ae6c53e7031615b2ec8.tar.bz2 | |
bitmap.h: Add explanation of sparse set as linked-list bitmap.
* bitmap.h: Add explanation of sparse set as linked-list bitmap.
* sbitmap.h: Add explanation about non-sparse sets as simple bitmap.
(TEST_BIT): Make a static inline function for stronger type checking.
(SET_BIT): Don't handle sbitmaps with popcount.
(RESET_BIT): Likewise.
(SET_BIT_WITH_POPCOUNT): New, like SET_BIT but with popcount.
(RESET_BIT_WITH_POPCOUNT): New, like RESET_BIT but with popcount.
* ebitmap.c (ebitmap_clear_bit): Use SET_BIT_WITH_POPCOUNT and
RESET_BIT_WITH_POPCOUNT on wordmask bitmaps.
(ebitmap_set_bit, ebitmap_and_into, ebitmap_and, ebitmap_ior_into,
ebitmap_and_compl_into, ebitmap_and_compl): Likewise.
* sparseset.h: Add explanation of sparse set representation.
From-SVN: r189888
Diffstat (limited to 'gcc/sbitmap.c')
| -rw-r--r-- | gcc/sbitmap.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/gcc/sbitmap.c b/gcc/sbitmap.c index a67f102..6aac459 100644 --- a/gcc/sbitmap.c +++ b/gcc/sbitmap.c @@ -1,6 +1,5 @@ /* Simple bitmaps. - Copyright (C) 1999, 2000, 2002, 2003, 2004, 2006, 2007, 2008, 2010 - Free Software Foundation, Inc. + Copyright (C) 1999-2012 Free Software Foundation, Inc. This file is part of GCC. |