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Bug 924392 - part 2 - don't use JS_BITS_PER_WORD for jsbitmap; r=Waldo

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This commit is contained in:
Nathan Froyd 2013-10-08 10:04:22 -04:00
parent ea41824c7e
commit 778bf2197f
1 changed files with 7 additions and 6 deletions
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13
js/src/jsutil.h
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@ -345,12 +345,13 @@ JS_DumpHistogram(JSBasicStats *bs, FILE *fp);
/* A jsbitmap_t is a long integer that can be used for bitmaps. */
typedef size_t jsbitmap;
#define JS_TEST_BIT(_map,_bit) ((_map)[(_bit)>>JS_BITS_PER_WORD_LOG2] & \
((jsbitmap)1<<((_bit)&(JS_BITS_PER_WORD-1))))
#define JS_SET_BIT(_map,_bit) ((_map)[(_bit)>>JS_BITS_PER_WORD_LOG2] |= \
((jsbitmap)1<<((_bit)&(JS_BITS_PER_WORD-1))))
#define JS_CLEAR_BIT(_map,_bit) ((_map)[(_bit)>>JS_BITS_PER_WORD_LOG2] &= \
~((jsbitmap)1<<((_bit)&(JS_BITS_PER_WORD-1))))
#define JS_BITMAP_NBITS (sizeof(jsbitmap) * CHAR_BIT)
#define JS_TEST_BIT(_map,_bit) ((_map)[(_bit)/JS_BITMAP_NBITS] & \
(jsbitmap(1)<<((_bit)%JS_BITMAP_NBITS)))
#define JS_SET_BIT(_map,_bit) ((_map)[(_bit)/JS_BITMAP_NBITS] |= \
(jsbitmap(1)<<((_bit)%JS_BITMAP_NBITS)))
#define JS_CLEAR_BIT(_map,_bit) ((_map)[(_bit)/JS_BITMAP_NBITS] &= \
~(jsbitmap(1)<<((_bit)%JS_BITMAP_NBITS)))
/* Wrapper for various macros to stop warnings coming from their expansions. */
#if defined(__clang__)