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authorkenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4>2001-05-02 17:08:19 +0000
committerkenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4>2001-05-02 17:08:19 +0000
commit55e9836d3146ed53b23ee4a3445a93306e62bf7f (patch)
tree1f34a5a35f2cb7fecc65e066a5131d93dfafd005 /gcc/expr.c
parent4d6983458b4771354fed815a99f1bc461dddd76a (diff)
downloadgcc-55e9836d3146ed53b23ee4a3445a93306e62bf7f.tar.gz
* expr.c (store_field): Do nothing except elaborate side-effects if
zero-bit field. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41763 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/expr.c')
-rw-r--r--gcc/expr.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/expr.c b/gcc/expr.c
index 0ef52f5d9ce..67cafeb7c9c 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -5131,6 +5131,11 @@ store_field (target, bitsize, bitpos, mode, exp, value_mode,
if (TREE_CODE (exp) == ERROR_MARK)
return const0_rtx;
+ /* If we have nothing to store, do nothing unless the expression has
+ side-effects. */
+ if (bitsize == 0)
+ return expand_expr (exp, const0_rtx, VOIDmode, 0);
+
if (bitsize < HOST_BITS_PER_WIDE_INT)
width_mask = ((HOST_WIDE_INT) 1 << bitsize) - 1;