diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/calls.c | 6 |
2 files changed, 11 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2b65a5c7444..589009a8285 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-04-29 Olivier Hainque <hainque@act-europe.fr> + + * calls.c (expand_call): When modes of target and valreg match, force + sibcall failure when target is a MEM. + 2003-04-29 Geoffrey Keating <geoffk@apple.com> * doc/invoke.texi (Overall Options): Mention -x objective-c-header. diff --git a/gcc/calls.c b/gcc/calls.c index bd889e1ae71..135f949028c 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -3279,6 +3279,12 @@ expand_call (exp, target, ignore) If they refer to the same register, this move will be a no-op, except when function inlining is being done. */ emit_move_insn (target, valreg); + + /* If we are setting a MEM, this code must be executed. Since it is + emitted after the call insn, sibcall optimization cannot be + performed in that case. */ + if (GET_CODE (target) == MEM) + sibcall_failure = 1; } else if (TYPE_MODE (TREE_TYPE (exp)) == BLKmode) { |
