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| author | Eric Christopher <echristo@gcc.gnu.org> | 2006-06-12 06:44:23 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@gcc.gnu.org> | 2006-06-12 06:44:23 +0000 |
| commit | 6bb7beac5f921b203fa212fdf94df2381d10f0c7 (patch) | |
| tree | f9f2fc14a28b2f414956eecd61dc9e7fa23c5286 /gcc/doc | |
| parent | 4119019bd756f9c97cbb0a0133371cf0cdd7f436 (diff) | |
| download | gcc-6bb7beac5f921b203fa212fdf94df2381d10f0c7.zip gcc-6bb7beac5f921b203fa212fdf94df2381d10f0c7.tar.gz gcc-6bb7beac5f921b203fa212fdf94df2381d10f0c7.tar.bz2 | |
re PR target/27542 (the ms_struct pragma is not documented)
2006-06-11 Eric Christopher <echristo@apple.com>
PR 27542
* doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
pragma.
From-SVN: r114561
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/extend.texi | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index 47b1fce..f029ca2 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -9672,6 +9672,17 @@ multiple @code{#pragma pack(@var{n})} instances and finalized by a single @code{#pragma pack(pop)}. @end enumerate +Some targets, e.g. i386 and powerpc, support the @code{ms_struct} +@code{#pragma} which lays out a structure as the documented +@code{__attribute__ ((ms_struct))}. +@enumerate +@item @code{#pragma ms_struct on} turns on the layout for structures +declared. +@item @code{#pragma ms_struct off} turns off the layout for structures +declared. +@item @code{#pragma ms_struct reset} goes back to the default layout. +@end enumerate + @node Weak Pragmas @subsection Weak Pragmas |