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| author | Mark Mitchell <mark@codesourcery.com> | 2004-02-17 18:32:45 +0000 |
|---|---|---|
| committer | Mark Mitchell <mmitchel@gcc.gnu.org> | 2004-02-17 18:32:45 +0000 |
| commit | 57782ad852862c891585dbafea03ef854790e89b (patch) | |
| tree | 85a8a16852397c2880c3b5467fc1063168a77fb7 /gcc/flags.h | |
| parent | 3977a4a1eec95645a03f78d85ed1f118cc7cfcbd (diff) | |
| download | gcc-57782ad852862c891585dbafea03ef854790e89b.zip gcc-57782ad852862c891585dbafea03ef854790e89b.tar.gz gcc-57782ad852862c891585dbafea03ef854790e89b.tar.bz2 | |
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/flags.h')
| -rw-r--r-- | gcc/flags.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/flags.h b/gcc/flags.h index 1ca9d98..626993f 100644 --- a/gcc/flags.h +++ b/gcc/flags.h @@ -731,6 +731,27 @@ extern int flag_var_tracking; extern const char *flag_random_seed; +/* 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. + + Additional positive integers will be assigned as new versions of + the ABI become the default version of the ABI. */ + +extern int flag_abi_version; + +/* Returns TRUE if generated code should match ABI version N or + greater is in use. */ + +#define abi_version_at_least(N) \ + (flag_abi_version == 0 || flag_abi_version >= (N)) + /* True if the given mode has a NaN representation and the treatment of NaN operands is important. Certain optimizations, such as folding x * 0 into x, are not correct for NaN operands, and are normally |