diff options
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/expr.c | 8 |
2 files changed, 8 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5846912..f307619 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -19,6 +19,9 @@ 2003-05-03 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + * expr.c (expand_expr, case VIEW_CONVERT_EXPR): Don't use + gen_lowpart on non-integer modes. + * stor-layout.c (place_field): When adjusting offset_align, use desired_align, not DECL_ALIGN. @@ -7959,12 +7959,14 @@ expand_expr (exp, target, tmode, modifier) op0 = expand_expr (TREE_OPERAND (exp, 0), NULL_RTX, mode, modifier); /* If the input and output modes are both the same, we are done. - Otherwise, if neither mode is BLKmode and both are within a word, we - can use gen_lowpart. If neither is true, make sure the operand is - in memory and convert the MEM to the new mode. */ + Otherwise, if neither mode is BLKmode and both are integral and within + a word, we can use gen_lowpart. If neither is true, make sure the + operand is in memory and convert the MEM to the new mode. */ if (TYPE_MODE (type) == GET_MODE (op0)) ; else if (TYPE_MODE (type) != BLKmode && GET_MODE (op0) != BLKmode + && GET_MODE_CLASS (GET_MODE (op0)) == MODE_INT + && GET_MODE_CLASS (TYPE_MODE (type)) == MODE_INT && GET_MODE_SIZE (TYPE_MODE (type)) <= UNITS_PER_WORD && GET_MODE_SIZE (GET_MODE (op0)) <= UNITS_PER_WORD) op0 = gen_lowpart (TYPE_MODE (type), op0); |