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| author | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-11-19 20:38:07 +0000 |
|---|---|---|
| committer | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-11-19 20:38:07 +0000 |
| commit | f96c43fb7bb186b6ddd7a93ea0a55ae3e61c4d57 (patch) | |
| tree | 2542ba620d211064d29aeacfe75ac81b9312fd17 /gcc/tree.def | |
| parent | 99efa43944a9c890b4cc1ab3ffc1e62c35d3b69a (diff) | |
| download | gcc-f96c43fb7bb186b6ddd7a93ea0a55ae3e61c4d57.tar.gz | |
* tree.def (VIEW_CONVERT_EXPR): New tree code.
* tree.h (handled_component_p): New declaration.
* alias.c (handled_component_p): Move function from here ...
* expr.c (handled_component_p): ... to here and non longer static.
(is_zeros_p, case VIEW_CONVERT_EXPR): New case.
(store_field): Remove unneeded MEM_COPY_ATTRIBUTES call.
(get_inner_reference): Handle VIEW_CONVERT_EXPR.
(expand_expr, case VAR_DECL): Clean up handling of re-layout case.
(expand_expr, case VIEW_CONVERT_EXPR): New case.
(expand_expr, cse ADDR_EXPR): No need to copy if already
BIGGEST_ALIGNMENT.
* fold-const.c (fold, case VIEW_CONVERT_EXPR): New case.
* varasm.c (initializer_constant_value_p, case VIEW_CONVERT_EXPR): New.
(output_constant): Handle VIEW_CONVERT_EXPR.
* dwarf2out.c (loc-descriptor_from_tree, add_bound_info):
Add new case for VIEW_CONVERT_EXPR.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47179 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree.def')
| -rw-r--r-- | gcc/tree.def | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/tree.def b/gcc/tree.def index 8a02e5b2f60..c4f08cf5f0d 100644 --- a/gcc/tree.def +++ b/gcc/tree.def @@ -691,6 +691,13 @@ DEFTREECODE (NOP_EXPR, "nop_expr", '1', 1) /* Value is same as argument, but guaranteed not an lvalue. */ DEFTREECODE (NON_LVALUE_EXPR, "non_lvalue_expr", '1', 1) +/* Represents viewing something of one type as being of a second type. + This corresponds to an "Unchecked Conversion" in Ada and roughly to + the idiom *(type2 *)&X in C. The only operand is the value to be + viewed as being of another type. It is undefined if the type of the + input and of the expression have different sizes. */ +DEFTREECODE (VIEW_CONVERT_EXPR, "view_convert_expr", '1', 1) + /* Represents something we computed once and will use multiple times. First operand is that expression. Second is the function decl in which the SAVE_EXPR was created. The third operand is the RTL, |