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| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-05-04 19:17:57 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-05-04 19:17:57 +0000 |
| commit | 0722e7670e03688f2ae7ac501d27500c8b86ac93 (patch) | |
| tree | c04b42369024dbf54f104e1c586486f789707a54 /gcc/varasm.c | |
| parent | fff41eb0570ed8e7b8fca4e9664f6785968fb129 (diff) | |
| download | gcc-0722e7670e03688f2ae7ac501d27500c8b86ac93.tar.gz | |
* varasm.c (align_variable): Don't increase alignment for
DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@124442 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/varasm.c')
| -rw-r--r-- | gcc/varasm.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/gcc/varasm.c b/gcc/varasm.c index f8ce7263065..743c3f1e244 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -1097,11 +1097,22 @@ align_variable (tree decl, bool dont_output_data) if (! DECL_USER_ALIGN (decl)) { #ifdef DATA_ALIGNMENT - align = DATA_ALIGNMENT (TREE_TYPE (decl), align); + unsigned int data_align = DATA_ALIGNMENT (TREE_TYPE (decl), align); + /* Don't increase alignment too much for TLS variables - TLS space + is too precious. */ + if (! DECL_THREAD_LOCAL_P (decl) || data_align <= BITS_PER_WORD) + align = data_align; #endif #ifdef CONSTANT_ALIGNMENT if (DECL_INITIAL (decl) != 0 && DECL_INITIAL (decl) != error_mark_node) - align = CONSTANT_ALIGNMENT (DECL_INITIAL (decl), align); + { + unsigned int const_align = CONSTANT_ALIGNMENT (DECL_INITIAL (decl), + align); + /* Don't increase alignment too much for TLS variables - TLS space + is too precious. */ + if (! DECL_THREAD_LOCAL_P (decl) || const_align <= BITS_PER_WORD) + align = const_align; + } #endif } |