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authorMark Mitchell <mark@codesourcery.com>2004-02-17 18:32:45 +0000
committerMark Mitchell <mmitchel@gcc.gnu.org>2004-02-17 18:32:45 +0000
commit57782ad852862c891585dbafea03ef854790e89b (patch)
tree85a8a16852397c2880c3b5467fc1063168a77fb7 /gcc/toplev.c
parent3977a4a1eec95645a03f78d85ed1f118cc7cfcbd (diff)
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re PR c++/11326 (C++ IA64 ABI: 3.1.4: sometimes pointer to temporary return value is implicit first parameter preceding "this")
PR c++/11326 * c-common.c (flag_abi_version): Remove. * c-common.h (flag_abi_version): Likewise. * c-opts.c (c_common_handle_option): Remove OPT_fabi_version case. * c.opt (fabi-version): Remove. * calls.c (expand_call): Always pass a function type to struct_value_rtx. Use convert_memory_address. * common.opt (fabi-version): Add it. * flags.h (flag_abi_version): Likewise. (abi_version_at_least): New macro. * opts.c (common_handle_option): Add OPT_fabi_version. * toplev.c (flag_abi_version): Define it. * config/ia64/ia64.c (ia64_struct_retval_addr_is_first_parm_p): New function. (ia64_output_mi_thunk): Use it. (ia64_struct_value_rtx): Likewise. PR c++/11326 * cp-tree.h (abi_version_at_least): Remove. * mangle.c: Include flags.h. PR c++/11326 * g++.dg/abi/structret1.C: New test. From-SVN: r77968
Diffstat (limited to 'gcc/toplev.c')
-rw-r--r--gcc/toplev.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c
index c470cf0..7473ead 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -1016,6 +1016,23 @@ int flag_evaluation_order = 0;
/* Add or remove a leading underscore from user symbols. */
int flag_leading_underscore = -1;
+/* The version of the C++ ABI in use. The following values are
+ allowed:
+
+ 0: The version of the ABI believed most conformant with the
+ C++ ABI specification. This ABI may change as bugs are
+ discovered and fixed. Therefore, 0 will not necessarily
+ indicate the same ABI in different versions of G++.
+
+ 1: The version of the ABI first used in G++ 3.2.
+
+ 2: The version of the ABI first used in G++ 3.4.
+
+ Additional positive integers will be assigned as new versions of
+ the ABI become the default version of the ABI. */
+
+int flag_abi_version = 2;
+
/* The user symbol prefix after having resolved same. */
const char *user_label_prefix;