expr.c (store_expr): Don't optimize away load-store pair when either source or destination have a...
* expr.c (store_expr): Don't optimize away load-store pair when either source or destination have a side effect. From-SVN: r21732
This commit is contained in:
parent
141dba98fd
commit
6036acbbf2
@ -1,3 +1,8 @@
|
||||
Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
|
||||
|
||||
* expr.c (store_expr): Don't optimize away load-store pair
|
||||
when either source or destination have a side effect.
|
||||
|
||||
Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
|
||||
|
||||
* genrecog.c (add_to_sequence): Fatal error if the modes of the operands
|
||||
|
@ -3457,7 +3457,10 @@ store_expr (exp, target, want_value)
|
||||
/* If value was not generated in the target, store it there.
|
||||
Convert the value to TARGET's type first if nec. */
|
||||
|
||||
if (! rtx_equal_p (temp, target) && TREE_CODE (exp) != ERROR_MARK)
|
||||
if ((! rtx_equal_p (temp, target)
|
||||
|| side_effects_p (temp)
|
||||
|| side_effects_p (target))
|
||||
&& TREE_CODE (exp) != ERROR_MARK)
|
||||
{
|
||||
target = protect_from_queue (target, 1);
|
||||
if (GET_MODE (temp) != GET_MODE (target)
|
||||
|
Loading…
Reference in New Issue
Block a user