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re PR target/27542 (the ms_struct pragma is not documented)

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2006-06-11  Eric Christopher  <echristo@apple.com>

        PR 27542
        * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
        pragma.

From-SVN: r114561
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Eric Christopher 2006-06-12 06:44:23 +00:00
parent 4119019bd7
commit 6bb7beac5f
2 changed files with 19 additions and 2 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,9 @@
2006-06-11 Eric Christopher <echristo@apple.com>
PR 27542
* doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
pragma.
2006-06-11 Roger Sayle <roger@eyesopen.com>
PR target/27858
@ -105,11 +111,11 @@
2006-06-07 Andrew MacLeod <amacleod@redhat.com>
PR middle-end/27793
* tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
* tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
referenced_variables with matching DECL_UID's.
(find_referenced_vars): Make sure duplicate list is empty to start.
(referenced_var_p): Remove.
(referenced_var_check_and_insert): Renamed from referenced_var_insert.
(referenced_var_check_and_insert): Renamed from referenced_var_insert.
Check if var is in the list, and add if needed. Update the duplicate
list if a different var is in the list with the same DECL_UID.
(add_referenced_var): Call routine to check and insert.

11
gcc/doc/extend.texi
View file

@ -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