diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 31d04a87024..124a05f345e 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -12,19 +12,6 @@ In addition to the file @file{@var{machine}.md}, a machine description includes a C header file conventionally given the name -<<<<<<< tm.texi -@file{@var{machine}.h} and a C source file named @file{@var{machine}.c}. -The header file defines numerous macros that convey the information -about the target machine that does not fit into the scheme of the -@file{.md} file. The file @file{tm.h} should be a link to -@file{@var{machine}.h}. The header file @file{config.h} includes -@file{tm.h} and most compiler source files include @file{config.h}. The -source file defines a variable @code{target}, which is a structure -containing pointers to functions and data relating to the target -machine. @file{@var{machine}.c} should also their definitions, if they -are not defined elsewhere in GCC, and other functions called through the -macros defined in the @file{.h} file. -======= @file{@var{machine}.h} and a C source file named @file{@var{machine}.c}. The header file defines numerous macros that convey the information about the target machine that does not fit into the scheme of the @@ -36,7 +23,6 @@ containing pointers to functions and data relating to the target machine. @file{@var{machine}.c} should also contain their definitions, if they are not defined elsewhere in GCC, and other functions called through the macros defined in the @file{.h} file. ->>>>>>> 1.11 @menu * Target Structure:: The @code{target} variable. @@ -8320,33 +8306,6 @@ If defined, a C statement that assigns default attributes to newly defined @var{type}. @end table -<<<<<<< tm.texi -@deftypefn {Target Hook} tree TARGET_MERGE_TYPE_ATTRIBUTES (tree @var{type1}, tree @var{type2}) -Define this target hook if the merging of type attributes needs special -handling. If defined, the result is a list of the combined -@code{TYPE_ATTRIBUTES} of @var{type1} and @var{type2}. It is assumed -that @code{comptypes} has already been called and returned 1. This -function may call @code{merge_attributes} to handle machine-independent -merging. -@end deftypefn - -@deftypefn {Target Hook} tree TARGET_MERGE_DECL_ATTRIBUTES (tree @var{olddecl}, tree @var{newdecl}) -Define this target hook if the merging of decl attributes needs special -handling. If defined, the result is a list of the combined -@code{DECL_MACHINE_ATTRIBUTES} of @var{olddecl} and @var{newdecl}. -@var{newdecl} is a duplicate declaration of @var{olddecl}. Examples of -when this is needed are when one attribute overrides another, or when an -attribute is nullified by a subsequent definition. This function may -call @code{merge_attributes} to handle machine-independent merging. - -If the only target-specific handling you require is @samp{dllimport} for -Windows targets, you should define the macro -@code{TARGET_DLLIMPORT_DECL_ATTRIBUTES}. This links in a function -called @code{merge_dllimport_decl_attributes} which you can then define -as the expansion of @code{TARGET_MERGE_DECL_ATTRIBUTES}. This is done -in @file{i386/cygwin.h} and @file{i386/i386.c}, for example. -@end deftypefn -======= @deftypefn {Target Hook} tree TARGET_MERGE_TYPE_ATTRIBUTES (tree @var{type1}, tree @var{type2}) Define this target hook if the merging of type attributes needs special handling. If defined, the result is a list of the combined @@ -8373,7 +8332,6 @@ called @code{merge_dllimport_decl_attributes} which can then be defined as the expansion of @code{TARGET_MERGE_DECL_ATTRIBUTES}. This is done in @file{i386/cygwin.h} and @file{i386/i386.c}, for example. @end deftypefn ->>>>>>> 1.11 @table @code @findex INSERT_ATTRIBUTES