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* LANGUAGES: Remove obsolete information.

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From-SVN: r84507
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Joseph Myers 2004-07-11 12:54:14 +01:00 committed by Joseph Myers
parent bbb362e693
commit 6ac4b58e49
2 changed files with 4 additions and 52 deletions
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gcc/ChangeLog
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@ -1,3 +1,7 @@
2004-07-11 Joseph S. Myers <jsm@polyomino.org.uk>
* LANGUAGES: Remove obsolete information.
2004-07-11 Ulrich Weigand <uweigand@de.ibm.com>
* config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and

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gcc/LANGUAGES
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@ -12,54 +12,6 @@ changes we've made.
end-of-file. Frontends which want that behavior should set
DECL_DEFER_OUTPUT before calling rest_of_decl_compilation.
Aug 31, 1998:
The interface to HANDLE_PRAGMA has changed. It now takes three arguments.
The first two are pointers to functions that should be used to read characters
from the input stream, and to push them back into the input stream respectively.
The third argument is a pointer to a null terminate string which is the first
word after #pragma. The expression supplied by HANDLE_PRAGMA should return
nonzero if it parsed and implemented the pragma. Otherwise it should return
zero, and leave the input stream as it was before the expression was evaluated.
A new back-end definable macro has been added: INSERT_ATTRIBUTES. This macro
allows backend to add attributes to decls as they are created.
Jun 10, 1998:
The interface to lang_decode_option has changed. It now uses and argc/argv
interface to allow for options that use more than one input string. The new
declaration is: int lang_decode_option (int argc, char** argv). It now
returns the number of input strings processed, or 0 if the option is
unknown.
Jun 7, 1998:
Front-ends must now define lang_init_options. It is safe for this
function to do nothing. See c-lang.c.
Apr 21, 1998:
Front ends which link with c-common or other files from the C/C++
front-ends may need to handle TI types. Look for references to
[unsigned]int_DI_type_node in your front end. If you have references
to these variables, you'll need up update the front end.
To update the front end you must mirror all the code which currently
deals with intDI_type_node to also handle intTI_type_node.
Apr 7, 1998:
The interface between toplev.c and the language front ends for opening the
source file has changed:
o init_lex() has been renamed to init_parse (char *filename) where filename
is the name of the source file.
o The code in toplev.c which opened the source file should be moved to
the new init_parse function.
o toplev.c now calls finish_parse() instead of closing the source file
using fclose(). This should now be done in finish_parse, if necessary.
Apr 1, 1998:
Front-ends must now define lang_print_xnode. It is safe for this
function to do nothing. See c-lang.c.
Feb 1, 1998:
GCC used to store structure sizes & offsets to elements as bitsize
@ -78,10 +30,6 @@ Feb 1, 1998:
When a size in bits is converted into a size in bytes, which is expressed
in trees, care should be taken to change the tree's type again to sizetype.
We've updated C, C++, Fortran & Objective-C to work with the new
scheme. Other languages will need to be updated accordingly.
Contact amylaar@cygnus.com for additional information.
?? 1997:
In an effort to decrease cache thrashing and useless loads we've changed the