diff options
| author | Bernd Schmidt <bernds@redhat.co.uk> | 2000-12-22 14:19:57 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2000-12-22 14:19:57 +0000 |
| commit | db776d91b874c60165256215c68c21622fb7dcff (patch) | |
| tree | 9ffc16f7d9225866e83fa97b886137ec7f378bf5 /gcc | |
| parent | e2ea68269c30d99907a6f2b30605b22fb5f4ab17 (diff) | |
Backport a fix to the 2.95 branch
From-SVN: r38456
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/function.c | 11 |
2 files changed, 14 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 46935a9b7c4..0e202f39341 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2000-12-22 Bernd Schmidt <bernds@redhat.co.uk> + 2000-03-06 Mark Mitchell <mark@codesourcery.com> + * function.c (free_temps_for_rtl_expr): Don't free slots + that have been pushed into a higher level. + 1999-12-16 David S. Miller <davem@redhat.com> * expr.c (emit_move_insn_1): Only emit clobbers if one of the outputs is a SUBREG. diff --git a/gcc/function.c b/gcc/function.c index 60afafa9c19..a4033a9a6b8 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -1428,7 +1428,16 @@ free_temps_for_rtl_expr (t) for (p = temp_slots; p; p = p->next) if (p->rtl_expr == t) - p->in_use = 0; + { + /* If this slot is below the current TEMP_SLOT_LEVEL, then it + needs to be preserved. This can happen if a temporary in + the RTL_EXPR was addressed; preserve_temp_slots will move + the temporary into a higher level. */ + if (temp_slot_level <= p->level) + p->in_use = 0; + else + p->rtl_expr = NULL_TREE; + } combine_temp_slots (); } |