diff options
| author | H.J. Lu <hongjiu.lu@intel.com> | 2009-01-18 16:26:26 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2009-01-18 08:26:26 -0800 |
| commit | 6e4f11689b8ac84b5f3eb618e88b0b3a9cc74008 (patch) | |
| tree | d74a458bc64925e0158a42b28d1bdf62ea7614fb /gcc/defaults.h | |
| parent | 890065bfe4a9d3367568a2f5a9a12b6289f377d0 (diff) | |
| download | gcc-6e4f11689b8ac84b5f3eb618e88b0b3a9cc74008.tar.gz | |
re PR target/38736 (-mavx can change the ABI via BIGGEST_ALIGNMENT)
gcc/
2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
PR target/38736
* c-common.c (handle_aligned_attribute): Use
ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
default alignment value.
* c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
* defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
* config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
* doc/extend.texi: Update __attribute__ ((aligned)). Document
__BIGGEST_ALIGNMENT__.
* doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
gcc/testsuite/
2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
PR target/38736
* g++.dg/compat/abi/pr38736_main.C: New.
* g++.dg/compat/abi/pr38736_x.C: Likewise.
* g++.dg/compat/abi/pr38736_y.C: Likewise.
* g++.dg/other/macro-1.C: Likewise.
* gcc.dg/macro-1.c: Likewise.
* gcc.dg/compat/pr38736_main.c: Likewise.
* gcc.dg/compat/pr38736_x.c: Likewise.
* gcc.dg/compat/pr38736_y.c: Likewise.
From-SVN: r143486
Diffstat (limited to 'gcc/defaults.h')
| -rw-r--r-- | gcc/defaults.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/defaults.h b/gcc/defaults.h index 282a14ac00a..c9097349795 100644 --- a/gcc/defaults.h +++ b/gcc/defaults.h @@ -944,4 +944,9 @@ along with GCC; see the file COPYING3. If not see ((TYPE) ? LOCAL_ALIGNMENT ((TYPE), (ALIGN)) : (ALIGN)) #endif +/* Alignment value for attribute ((aligned)). */ +#ifndef ATTRIBUTE_ALIGNED_VALUE +#define ATTRIBUTE_ALIGNED_VALUE BIGGEST_ALIGNMENT +#endif + #endif /* ! GCC_DEFAULTS_H */ |