Commit 432d4a1d by Joseph Myers Committed by Joseph Myers

* BUGS, NEWS: Regenerate.

From-SVN: r38424
parent c165f94f
*Note:* This file is automatically generated from the files _Note:_ This file is automatically generated from the files
`bugs0.texi' and `bugs.texi'. `BUGS' is *not* a source file, although `bugs0.texi' and `bugs.texi'. `BUGS' is _not_ a source file, although
it is normally included within source distributions. it is normally included within source distributions.
This file lists known bugs in the GCC-2.95 version of the GNU This file lists known bugs in the GCC-2.97 version of the GNU
Fortran compiler. Copyright (C) 1995, 1996, 1997, 1998, Fortran compiler. Copyright (C) 1995,1996,1997,1998,1999,2000 Free
1999 Free Software Foundation, Software Foundation, Inc. You may copy, distribute, and modify it
Inc. You may copy, distribute, and modify it freely as long as you freely as long as you preserve this copyright notice and permission
preserve this copyright notice and permission notice. notice.
Known Bugs In GNU Fortran Known Bugs In GNU Fortran
************************* *************************
This section identifies bugs that `g77' *users* might run into in This section identifies bugs that `g77' _users_ might run into in
the GCC-2.95 version of `g77'. This includes bugs that are actually in the GCC-2.97 version of `g77'. This includes bugs that are actually in
the `gcc' back end (GBE) or in `libf2c', because those sets of code are the `gcc' back end (GBE) or in `libf2c', because those sets of code are
at least somewhat under the control of (and necessarily intertwined at least somewhat under the control of (and necessarily intertwined
with) `g77', so it isn't worth separating them out. with) `g77', so it isn't worth separating them out.
For information on bugs in *other* versions of `g77', see For information on bugs in _other_ versions of `g77', see
`egcs/gcc/f/NEWS'. There, lists of bugs fixed in various versions of `gcc/gcc/f/NEWS'. There, lists of bugs fixed in various versions of
`g77' can help determine what bugs existed in prior versions. `g77' can help determine what bugs existed in prior versions.
*Warning:* The information below is still under development, and _Warning:_ The information below is still under development, and
might not accurately reflect the `g77' code base of which it is a part. might not accurately reflect the `g77' code base of which it is a part.
Efforts are made to keep it somewhat up-to-date, but they are Efforts are made to keep it somewhat up-to-date, but they are
particularly concentrated on any version of this information that is particularly concentrated on any version of this information that is
distributed as part of a *released* `g77'. distributed as part of a _released_ `g77'.
In particular, while this information is intended to apply to the In particular, while this information is intended to apply to the
GCC-2.95 version of `g77', only an official *release* of that version GCC-2.97 version of `g77', only an official _release_ of that version
is expected to contain documentation that is most consistent with the is expected to contain documentation that is most consistent with the
`g77' product in that version. `g77' product in that version.
An online, "live" version of this document (derived directly from An online, "live" version of this document (derived directly from
the mainline, development version of `g77' within `egcs') is available the mainline, development version of `g77' within `gcc') is available
via `http://www.gnu.org/software/gcc/onlinedocs/g77_bugs.html'. Follow the via `http://www.gnu.org/software/gcc/onlinedocs/g77_bugs.html'. Follow
"Known Bugs" link. the "Known Bugs" link.
For information on bugs that might afflict people who configure, For information on bugs that might afflict people who configure,
port, build, and install `g77', see "Problems Installing" in port, build, and install `g77', see "Problems Installing" in
`egcs/gcc/f/INSTALL'. `gcc/gcc/f/INSTALL'.
The following information was last updated on 1999-06-28: The following information was last updated on 2000-11-05:
* `g77' fails to warn about use of a "live" iterative-DO variable as * `g77' fails to warn about use of a "live" iterative-DO variable as
an implied-DO variable in a `WRITE' or `PRINT' statement (although an implied-DO variable in a `WRITE' or `PRINT' statement (although
...@@ -79,7 +79,7 @@ port, build, and install `g77', see "Problems Installing" in ...@@ -79,7 +79,7 @@ port, build, and install `g77', see "Problems Installing" in
assembler file. This is to be mitigated somewhat in version 0.6. assembler file. This is to be mitigated somewhat in version 0.6.
Version 0.5.18 improves cases like this--specifically, cases of Version 0.5.18 improves cases like this--specifically, cases of
*sparse* initialization that leave large, contiguous areas _sparse_ initialization that leave large, contiguous areas
uninitialized--significantly. However, even with the uninitialized--significantly. However, even with the
improvements, these cases still require too much memory and CPU improvements, these cases still require too much memory and CPU
time. time.
...@@ -93,12 +93,10 @@ port, build, and install `g77', see "Problems Installing" in ...@@ -93,12 +93,10 @@ port, build, and install `g77', see "Problems Installing" in
Note that `g77' does display a warning message to notify the user Note that `g77' does display a warning message to notify the user
before the compiler appears to hang. before the compiler appears to hang.
* `g77' doesn't emit variable and array members of common blocks for * Previous versions of `g77' didn't emit information on variable and
use with a debugger (the `-g' command-line option). The code is array members of common blocks and equivalences for use with a
present to do this, but doesn't work with at least one debug debugger (the `-g' command-line option). As of the version of
format--perhaps it works with others. And it turns out there's a `g77' shipped with version 3.0 of `GCC', this is corrected.
similar bug for local equivalence areas, so that has been disabled
as well.
As of Version 0.5.19, a temporary kludge solution is provided As of Version 0.5.19, a temporary kludge solution is provided
whereby some rudimentary information on a member is written as a whereby some rudimentary information on a member is written as a
...@@ -152,9 +150,9 @@ port, build, and install `g77', see "Problems Installing" in ...@@ -152,9 +150,9 @@ port, build, and install `g77', see "Problems Installing" in
While the `g77' and `netlib' versions of `libf2c' differ on how While the `g77' and `netlib' versions of `libf2c' differ on how
this is accomplished, the main differences are that we believe the this is accomplished, the main differences are that we believe the
`g77' version works properly even in the presence of *partially* `g77' version works properly even in the presence of _partially_
aliased operands. aliased operands.
However, these modifications have reduced performance on targets However, these modifications have reduced performance on targets
such as x86, due to the extra copies of operands involved. such as x86, due to the extra copies of operands involved.
Thu Dec 21 20:00:48 2000 Joseph S. Myers <jsm28@cam.ac.uk>
* BUGS, NEWS: Regenerate.
2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk> 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
* com.c [VMS]: Remove definition of BSTRING. * com.c [VMS]: Remove definition of BSTRING.
......
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