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| author | Jason Merrill <jason@redhat.com> | 2001-12-18 08:30:30 -0500 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2001-12-18 08:30:30 -0500 |
| commit | f21add0737d299427da125d7b89ecfe89b5e11db (patch) | |
| tree | edc5e296aa2480c6b58999dde1d72aa6a6e2b60f /gcc/calls.c | |
| parent | 769317c56d2321f57f3da95f444026e26f0e795c (diff) | |
| download | gcc-f21add0737d299427da125d7b89ecfe89b5e11db.zip gcc-f21add0737d299427da125d7b89ecfe89b5e11db.tar.gz gcc-f21add0737d299427da125d7b89ecfe89b5e11db.tar.bz2 | |
C++ ABI change: destroy value arguments in caller.
* calls.c (initialize_argument_information): Pass the address of
the TARGET_EXPR temporary rather than storing it into another.
* semantics.c (genrtl_start_function, genrtl_finish_function): Don't
create an extra binding level for the parameters.
* decl.c (store_parm_decls): Don't do parameter cleanups.
From-SVN: r48154
Diffstat (limited to 'gcc/calls.c')
| -rw-r--r-- | gcc/calls.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/calls.c b/gcc/calls.c index 6a22820..afb9b39 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -1212,6 +1212,16 @@ initialize_argument_information (num_actuals, args, args_size, n_named_args, args[i].tree_value); type = build_pointer_type (type); } + else if (TREE_CODE (args[i].tree_value) == TARGET_EXPR) + { + /* In the V3 C++ ABI, parameters are destroyed in the caller. + We implement this by passing the address of the temporary + rather than expanding it into another allocated slot. */ + args[i].tree_value = build1 (ADDR_EXPR, + build_pointer_type (type), + args[i].tree_value); + type = build_pointer_type (type); + } else { /* We make a copy of the object and pass the address to the |