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ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative when choosing the minimum heapsize.

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* ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
      when choosing the minimum heapsize.

Co-Authored-By: Nathan Sidwell <nathan@codesourcery.com>

From-SVN: r118070
This commit is contained in:
Nathan Froyd 2006-10-26 20:39:10 +00:00 committed by Nathan Froyd
parent a38677037c
commit ded5f8f464
2 changed files with 10 additions and 4 deletions

6
gcc/ChangeLog

@ -1,3 +1,9 @@
2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
Nathan Sidwell <nathan@codesourcery.com>
* ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
when choosing the minimum heapsize.
2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
* gcc/unwind-dw2.h: Move cfa-related variables into

8
gcc/ggc-common.c

@ -751,10 +751,10 @@ ggc_min_heapsize_heuristic (void)
# endif
/* Don't blindly run over our data limit; do GC at least when the
*next* GC would be within 16Mb of the limit. If GCC does hit the
data limit, compilation will fail, so this tries to be
conservative. */
limit_kbytes = MAX (0, limit_kbytes - 16 * 1024);
*next* GC would be within 20Mb of the limit or within a quarter of
the limit, whichever is larger. If GCC does hit the data limit,
compilation will fail, so this tries to be conservative. */
limit_kbytes = MAX (0, limit_kbytes - MAX (limit_kbytes / 4, 20 * 1024));
limit_kbytes = (limit_kbytes * 100) / (110 + ggc_min_expand_heuristic());
phys_kbytes = MIN (phys_kbytes, limit_kbytes);