diff options
author | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 1997-07-25 12:36:42 +0000 |
---|---|---|
committer | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 1997-07-25 12:36:42 +0000 |
commit | 1d363175b70f42f7faee425fc0e8281c44079e06 (patch) | |
tree | 330b8ecf9fe3d92d28c1f18f29dfc25744a5cbae | |
parent | 00bd41461ef239cbd6c95e478dd05ae1c4466b86 (diff) |
(expand_expr, case MODIFY_EXPR): Don't preexpand calls if LHS is an
indirect via a constant pointer.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@14527 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r-- | gcc/expr.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/expr.c b/gcc/expr.c index 1cfb4538a2e..8db37e00562 100644 --- a/gcc/expr.c +++ b/gcc/expr.c @@ -6861,7 +6861,9 @@ expand_expr (exp, target, tmode, modifier) if (TREE_CODE (lhs) != VAR_DECL && TREE_CODE (lhs) != RESULT_DECL - && TREE_CODE (lhs) != PARM_DECL) + && TREE_CODE (lhs) != PARM_DECL + && ! (TREE_CODE (lhs) == INDIRECT_REF + && TYPE_READONLY (TREE_TYPE (TREE_OPERAND (lhs, 0))))) preexpand_calls (exp); /* Check for |= or &= of a bitfield of size one into another bitfield |