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remove GC bits documentation from the tags table.

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This commit is contained in:
Han-Wen Nienhuys 2002-08-05 17:46:34 +00:00
parent 39e8f371e2
commit 33138b0567
4 changed files with 22 additions and 10 deletions
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19
libguile/gc-mark.c
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@ -192,7 +192,7 @@ scm_gc_mark (SCM ptr)
Mark the dependencies of an object.
TODO:
Prefetching:
Should prefetch objects before marking, i.e. if marking a cell, we
should prefetch the car, and then mark the cdr. This will improve CPU
@ -204,7 +204,13 @@ garbage collector cache misses.
Prefetch is supported on GCC >= 3.1
*/
(Some time later.)
Tried this with GCC 3.1.1 -- the time differences are barely measurable.
Perhaps this would work better with an explicit markstack?
*/
void
scm_gc_mark_dependencies (SCM p)
#define FUNC_NAME "scm_gc_mark_dependencies"
@ -225,6 +231,8 @@ scm_gc_mark_dependencies (SCM p)
ptr = SCM_CAR (ptr);
goto gc_mark_nimp;
}
scm_gc_mark (SCM_CAR (ptr));
ptr = SCM_CDR (ptr);
goto gc_mark_nimp;
@ -232,6 +240,7 @@ scm_gc_mark_dependencies (SCM p)
ptr = SCM_CDR (ptr);
goto gc_mark_loop;
case scm_tc7_pws:
scm_gc_mark (SCM_SETTER (ptr));
ptr = SCM_PROCEDURE (ptr);
goto gc_mark_loop;
@ -285,8 +294,10 @@ scm_gc_mark_dependencies (SCM p)
if (i == 0)
break;
while (--i > 0)
if (SCM_NIMP (SCM_VELTS (ptr)[i]))
scm_gc_mark (SCM_VELTS (ptr)[i]);
{
if (SCM_NIMP (SCM_VELTS (ptr)[i]))
scm_gc_mark (SCM_VELTS (ptr)[i]);
}
ptr = SCM_VELTS (ptr)[0];
goto gc_mark_loop;
#ifdef CCLO