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| author | Jeff Law <law@redhat.com> | 2002-06-07 12:00:44 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2002-06-07 12:00:44 -0600 |
| commit | f28468203d0067182fb93773233af6c1ab07a15a (patch) | |
| tree | eaef5662e44dec7f053c7245f694e0423942ac92 /gcc | |
| parent | 808157065303051f2c1d92e7bc64f8281dd574f8 (diff) | |
| download | gcc-f28468203d0067182fb93773233af6c1ab07a15a.zip gcc-f28468203d0067182fb93773233af6c1ab07a15a.tar.gz gcc-f28468203d0067182fb93773233af6c1ab07a15a.tar.bz2 | |
sched-deps.c (free_deps): Avoid calling free_INSN_LIST_list on empty lists.
* sched-deps.c (free_deps): Avoid calling free_INSN_LIST_list
on empty lists.
From-SVN: r54347
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/sched-deps.c | 9 |
2 files changed, 11 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 72a1a18..40e9554 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2002-06-07 Jeffrey Law <law@redhat.com> + + * sched-deps.c (free_deps): Avoid calling free_INSN_LIST_list + on empty lists. + 2002-06-07 H.J. Lu (hjl@gnu.org) * configure.in: Add --enable-__cxa_atexit. diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c index ec18f9d..644f1bd 100644 --- a/gcc/sched-deps.c +++ b/gcc/sched-deps.c @@ -1508,9 +1508,12 @@ free_deps (deps) EXECUTE_IF_SET_IN_REG_SET (&deps->reg_last_in_use, 0, i, { struct deps_reg *reg_last = &deps->reg_last[i]; - free_INSN_LIST_list (®_last->uses); - free_INSN_LIST_list (®_last->sets); - free_INSN_LIST_list (®_last->clobbers); + if (reg_last->uses) + free_INSN_LIST_list (®_last->uses); + if (reg_last->sets) + free_INSN_LIST_list (®_last->sets); + if (reg_last->clobbers) + free_INSN_LIST_list (®_last->clobbers); }); CLEAR_REG_SET (&deps->reg_last_in_use); |