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update NEWS derived file 

From-SVN: r26596
This commit is contained in:
Craig Burley 1999-04-22 19:15:41 -04:00
parent 3880e74583
commit 07ead0e890
1 changed files with 37 additions and 27 deletions
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@ -66,7 +66,7 @@ about previous `g77' versions up-to-date.
the mainline, development version of `g77' within `egcs') is available
at `http://egcs.cygnus.com/onlinedocs/g77_news.html'.
The following information was last updated on 1999-04-20:
The following information was last updated on 1999-04-23:
In `egcs' 1.2 (versus 1.1.2):
=============================
@ -89,6 +89,16 @@ In `egcs' 1.2 (versus 1.1.2):
4. The `-ax' option is now obeyed when compiling Fortran programs.
(It is passed to the `f771' driver.)
* The new `-fsubscript-check' option causes `g77' to compile
run-time bounds checks of array subscripts, as well as of
substring start and end points.
The current implementation uses the `libf2c' library routine
`s_rnge' to print the diagnostic. Since a future version of `g77'
might use a different implementation, use the new
`-ff2c-subscript-check' option if your application requires use of
`s_rnge' or a compile-time diagnostic.
* Source file names with the suffixes `.FOR' and `.FPP' now are
recognized by `g77' as if they ended in `.for' and `.fpp',
respectively.
@ -110,11 +120,11 @@ In `egcs' 1.2 (versus 1.1.2):
* The `-malign-double' option now reliably aligns *all*
double-precision variables and arrays on Intel x86 targets.
* Even without the `-malign-double' option, `g77' reliably aligns
6. Even without the `-malign-double' option, `g77' reliably aligns
local double-precision variables that are not in `EQUIVALENCE'
areas and not `SAVE''d.
* A substantial portion of the `g77' front end's code-generation
7. A substantial portion of the `g77' front end's code-generation
component was rewritten. It now generates code using facilities
more robustly supported by the `gcc' back end. One effect of this
rewrite is that some codes no longer produce a spurious "label LAB
@ -122,11 +132,11 @@ In `egcs' 1.2 (versus 1.1.2):
* Support for the `-fugly' option has been removed.
6. Improve documentation and indexing, including information on Year
8. Improve documentation and indexing, including information on Year
2000 (Y2K) compliance, and providing more information on internals
of the front end.
7. Upgrade to `libf2c' as of 1999-03-17.
9. Upgrade to `libf2c' as of 1999-03-17.
In 0.5.24 and `egcs' 1.1.2 (versus 0.5.23 and 1.1.1):
=====================================================
@ -168,14 +178,14 @@ In 0.5.24 and `egcs' 1.1.1 (versus 0.5.23 and 1.1):
In `egcs' 1.1 (versus 0.5.24):
==============================
8. Fix `g77' crash compiling code containing the construct
10. Fix `g77' crash compiling code containing the construct
`CMPLX(0.)' or similar.
9. Fix `g77' crash (or apparently infinite run-time) when compiling
11. Fix `g77' crash (or apparently infinite run-time) when compiling
certain complicated expressions involving `COMPLEX' arithmetic
(especially multiplication).
10. Fix a code-generation bug that afflicted Intel x86 targets when
12. Fix a code-generation bug that afflicted Intel x86 targets when
`-O2' was specified compiling, for example, an old version of the
`DNRM2' routine.
@ -191,25 +201,25 @@ In `egcs' 1.1 (versus 0.5.24):
In `egcs' 1.1 (versus `egcs' 1.0.3):
====================================
11. Fix bugs in the `libU77' intrinsic `HostNm' that wrote one byte
13. Fix bugs in the `libU77' intrinsic `HostNm' that wrote one byte
beyond the end of its `CHARACTER' argument, and in the `libU77'
intrinsics `GMTime' and `LTime' that overwrote their arguments.
12. Assumed arrays with negative bounds (such as `REAL A(-1:*)') no
14. Assumed arrays with negative bounds (such as `REAL A(-1:*)') no
longer elicit spurious diagnostics from `g77', even on systems
with pointers having different sizes than integers.
This bug is not known to have existed in any recent version of
`gcc'. It was introduced in an early release of `egcs'.
13. Valid combinations of `EXTERNAL', passing that external as a dummy
15. Valid combinations of `EXTERNAL', passing that external as a dummy
argument without explicitly giving it a type, and, in a subsequent
program unit, referencing that external as an external function
with a different type no longer crash `g77'.
14. `CASE DEFAULT' no longer crashes `g77'.
16. `CASE DEFAULT' no longer crashes `g77'.
15. The `-Wunused' option no longer issues a spurious warning about
17. The `-Wunused' option no longer issues a spurious warning about
the "master" procedure generated by `g77' for procedures
containing `ENTRY' statements.
@ -234,25 +244,25 @@ In `egcs' 1.1 (versus `egcs' 1.0.3):
`libf2c' environment, even when `libf2c' (now `libg2c') is a
shared library.
16. `g77' no longer installs the `f77' command and `f77.1' man page in
18. `g77' no longer installs the `f77' command and `f77.1' man page in
the `/usr' or `/usr/local' heirarchy, even if the `f77-install-ok'
file exists in the source or build directory. See the
installation documentation for more information.
17. `g77' no longer installs the `libf2c.a' library and `f2c.h'
19. `g77' no longer installs the `libf2c.a' library and `f2c.h'
include file in the `/usr' or `/usr/local' heirarchy, even if the
`f2c-install-ok' or `f2c-exists-ok' files exist in the source or
build directory. See the installation documentation for more
information.
18. The `libf2c.a' library produced by `g77' has been renamed to
20. The `libf2c.a' library produced by `g77' has been renamed to
`libg2c.a'. It is installed only in the `gcc' "private" directory
heirarchy, `gcc-lib'. This allows system administrators and users
to choose which version of the `libf2c' library from `netlib' they
wish to use on a case-by-case basis. See the installation
documentation for more information.
19. The `f2c.h' include (header) file produced by `g77' has been
21. The `f2c.h' include (header) file produced by `g77' has been
renamed to `g2c.h'. It is installed only in the `gcc' "private"
directory heirarchy, `gcc-lib'. This allows system administrators
and users to choose which version of the include file from
@ -264,11 +274,11 @@ In `egcs' 1.1 (versus `egcs' 1.0.3):
than the one built and installed as part of the same `g77' version
is picked up.
20. During the configuration and build process, `g77' creates
22. During the configuration and build process, `g77' creates
subdirectories it needs only as it needs them. Other cleaning up
of the configuration and build process has been performed as well.
21. `install-info' now used to update the directory of Info
23. `install-info' now used to update the directory of Info
documentation to contain an entry for `g77' (during installation).
* Some diagnostics have been changed from warnings to errors, to
@ -277,28 +287,28 @@ In `egcs' 1.1 (versus `egcs' 1.0.3):
in the `OPEN', `INQUIRE', `READ', and `WRITE' statements, and
about truncations of various sorts of constants.
22. Improve compilation of `FORMAT' expressions so that a null byte is
24. Improve compilation of `FORMAT' expressions so that a null byte is
appended to the last operand if it is a constant. This provides a
cleaner run-time diagnostic as provided by `libf2c' for statements
like `PRINT '(I1', 42'.
23. Improve documentation and indexing.
25. Improve documentation and indexing.
24. The upgrade to `libf2c' as of 1998-06-18 should fix a variety of
26. The upgrade to `libf2c' as of 1998-06-18 should fix a variety of
problems, including those involving some uses of the `T' format
specifier, and perhaps some build (porting) problems as well.
In 0.5.24 and `egcs' 1.1 (versus 0.5.23):
=========================================
25. `g77' no longer produces incorrect code and initial values for
27. `g77' no longer produces incorrect code and initial values for
`EQUIVALENCE' and `COMMON' aggregates that, due to "unnatural"
ordering of members vis-a-vis their types, require initial padding.
26. `g77' no longer crashes when compiling code containing
28. `g77' no longer crashes when compiling code containing
specification statements such as `INTEGER(KIND=7) PTR'.
27. `g77' no longer crashes when compiling code such as `J = SIGNAL(1,
29. `g77' no longer crashes when compiling code such as `J = SIGNAL(1,
2)'.
* `g77' now treats `%LOC(EXPR)' and `LOC(EXPR)' as "ordinary"
@ -329,9 +339,9 @@ In 0.5.24 and `egcs' 1.1 (versus 0.5.23):
* The F90 `System_Clock' intrinsic allows the optional arguments
(except for the `Count' argument) to be omitted.
28. Upgrade to `libf2c' as of 1998-06-18.
30. Upgrade to `libf2c' as of 1998-06-18.
29. Improve documentation and indexing.
31. Improve documentation and indexing.
In previous versions:
=====================