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| author | Michael Meissner <meissner@linux.vnet.ibm.com> | 2011-09-06 23:29:48 +0000 |
|---|---|---|
| committer | Michael Meissner <meissner@gcc.gnu.org> | 2011-09-06 23:29:48 +0000 |
| commit | 7b50d234f6da17e41e9d89843cd597707748c061 (patch) | |
| tree | 32919236883461a6a4d8311f6031cf208381d82d /gcc | |
| parent | e25fc78ff53a6e17c4c8ea4055a110f8b306c614 (diff) | |
| download | gcc-7b50d234f6da17e41e9d89843cd597707748c061.zip gcc-7b50d234f6da17e41e9d89843cd597707748c061.tar.gz gcc-7b50d234f6da17e41e9d89843cd597707748c061.tar.bz2 | |
Update documentation about tm_p.h
From-SVN: r178618
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/doc/configfiles.texi | 12 |
2 files changed, 15 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index df48777..3abfc4f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2011-09-06 Michael Meissner <meissner@linux.vnet.ibm.com> + + * doc/configfiles.texi (Configuration Files): Update documentation + about tm_p.h and remove FIXME comment. + 2011-09-06 Uros Bizjak <ubizjak@gmail.com> * config/i386/i386.c (ix86_function_value_regno_p): Use AX_REG. diff --git a/gcc/doc/configfiles.texi b/gcc/doc/configfiles.texi index d122225..d8b15c50 100644 --- a/gcc/doc/configfiles.texi +++ b/gcc/doc/configfiles.texi @@ -59,6 +59,14 @@ these include the autoconfigured headers generated by machine. @item @file{tm_p.h}, which includes the header @file{@var{machine}-protos.h} -that contains prototypes for functions in the target @file{.c} file. -FIXME: why is such a separate header necessary? +that contains prototypes for functions in the target +@file{@var{machine}.c} file. The header @file{@var{machine}-protos.h} +can include prototypes of functions that use rtl and tree data +structures inside appropriate @code{#ifdef RTX_CODE} and @code{#ifdef +TREE_CODE} conditional code segements. The +@file{@var{machine}-protos.h} is included after the @file{rtl.h} +and/or @file{tree.h} would have been included. The @file{tm_p.h} also +includes the header @file{tm-preds.h} which is generated by +@file{genpreds} program during the build to define the declarations +and inline functions for the predicate functions. @end itemize |