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lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the cache every function if ggc_p.

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* lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
        cache every function if ggc_p.

From-SVN: r29872
This commit is contained in:
Richard Henderson 1999-10-08 11:59:27 -07:00 committed by Richard Henderson
parent a6de7040f8
commit 455419a530
2 changed files with 19 additions and 7 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
* lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
cache every function if ggc_p.
Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
* jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1

21
gcc/lists.c
View File

@ -120,15 +120,22 @@ zap_lists (dummy)
void
init_EXPR_INSN_LIST_cache ()
{
static int initialized;
if (!initialized)
if (ggc_p)
{
initialized = 1;
ggc_add_root (&unused_expr_list, 1, 1, zap_lists);
static int initialized;
if (!initialized)
{
initialized = 1;
ggc_add_root (&unused_expr_list, 1, 1, zap_lists);
}
/* No need to squish the lists across functions with GC enabled. */
}
else
{
unused_expr_list = NULL;
unused_insn_list = NULL;
}
unused_expr_list = NULL;
unused_insn_list = NULL;
}
/* This function will free up an entire list of EXPR_LIST nodes. */