зеркало из https://github.com/github/ruby.git
gc.c: refine macros
* gc.c (MARKED_IN_BITMAP, FL_TEST2): return boolean value since always used as boolean value. * gc.c (MARK_IN_BITMAP, CLEAR_IN_BITMAP): evaluate bits once. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41445 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -1,3 +1,10 @@
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Thu Jun 20 01:07:39 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* gc.c (MARKED_IN_BITMAP, FL_TEST2): return boolean value since always
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used as boolean value.
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* gc.c (MARK_IN_BITMAP, CLEAR_IN_BITMAP): evaluate bits once.
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Thu Jun 20 00:05:07 2013 Koichi Sasada <ko1@atdot.net>
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* gc.c (RVALUE_PROMOTED): fix type.
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8
gc.c
8
gc.c
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@ -445,9 +445,9 @@ VALUE *ruby_initial_gc_stress_ptr = &rb_objspace.gc_stress;
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#define BITMAP_OFFSET(p) (NUM_IN_SLOT(p) & ((sizeof(uintptr_t) * CHAR_BIT)-1))
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#define BITMAP_BIT(p) ((uintptr_t)1 << BITMAP_OFFSET(p))
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/* Marking */
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#define MARKED_IN_BITMAP(bits, p) (bits[BITMAP_INDEX(p)] & BITMAP_BIT(p))
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#define MARK_IN_BITMAP(bits, p) (bits[BITMAP_INDEX(p)] = bits[BITMAP_INDEX(p)] | BITMAP_BIT(p))
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#define CLEAR_IN_BITMAP(bits, p) (bits[BITMAP_INDEX(p)] = bits[BITMAP_INDEX(p)] & ~BITMAP_BIT(p))
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#define MARKED_IN_BITMAP(bits, p) (((bits)[BITMAP_INDEX(p)] & BITMAP_BIT(p)) != 0)
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#define MARK_IN_BITMAP(bits, p) ((bits)[BITMAP_INDEX(p)] |= BITMAP_BIT(p))
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#define CLEAR_IN_BITMAP(bits, p) ((bits)[BITMAP_INDEX(p)] &= ~BITMAP_BIT(p))
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#ifndef HEAP_ALIGN_LOG
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@ -513,7 +513,7 @@ static void rgengc_remember(rb_objspace_t *objspace, VALUE obj);
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static void rgengc_mark_and_rememberset_clear(rb_objspace_t *objspace);
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static size_t rgengc_rememberset_mark(rb_objspace_t *objspace);
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#define FL_TEST2(x,f) ((RGENGC_CHECK_MODE && SPECIAL_CONST_P(x)) ? (rb_bug("FL_TEST2: SPECIAL_CONST"), 0) : FL_TEST_RAW((x),(f)))
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#define FL_TEST2(x,f) ((RGENGC_CHECK_MODE && SPECIAL_CONST_P(x)) ? (rb_bug("FL_TEST2: SPECIAL_CONST"), 0) : FL_TEST_RAW((x),(f)) != 0)
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#define FL_SET2(x,f) do {if (RGENGC_CHECK_MODE && SPECIAL_CONST_P(x)) rb_bug("FL_SET2: SPECIAL_CONST"); RBASIC(x)->flags |= (f);} while (0)
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#define FL_UNSET2(x,f) do {if (RGENGC_CHECK_MODE && SPECIAL_CONST_P(x)) rb_bug("FL_UNSET2: SPECIAL_CONST"); RBASIC(x)->flags &= ~(f);} while (0)
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