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lvzhengyang
riscv-gcc-1
Commits
52dff54a
Commit
52dff54a
authored
May 06, 1999
by
Craig Burley
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From-SVN: r26805
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52dff54a
...
@@ -66,7 +66,7 @@ about previous `g77' versions up-to-date.
...
@@ -66,7 +66,7 @@ about previous `g77' versions up-to-date.
the mainline, development version of `g77' within `egcs') is available
the mainline, development version of `g77' within `egcs') is available
at `http://egcs.cygnus.com/onlinedocs/g77_news.html'.
at `http://egcs.cygnus.com/onlinedocs/g77_news.html'.
The following information was last updated on 1999-05-0
3
:
The following information was last updated on 1999-05-0
6
:
In `egcs' 1.2 (versus 1.1.2):
In `egcs' 1.2 (versus 1.1.2):
=============================
=============================
...
@@ -83,17 +83,19 @@ In `egcs' 1.2 (versus 1.1.2):
...
@@ -83,17 +83,19 @@ In `egcs' 1.2 (versus 1.1.2):
now assigns through a temporary, in cases where such partial
now assigns through a temporary, in cases where such partial
overlap is deemed possible.
overlap is deemed possible.
3. Fix `g77' so it no longer crashes when compiling I/O statements
3. Automatic arrays now seem to be working on HP-UX systems.
4. Fix `g77' so it no longer crashes when compiling I/O statements
using keywords that define `INTEGER' values, such as `IOSTAT=J',
using keywords that define `INTEGER' values, such as `IOSTAT=J',
where J is other than default `INTEGER' (such as `INTEGER*2').
where J is other than default `INTEGER' (such as `INTEGER*2').
Instead, it issues a diagnostic.
Instead, it issues a diagnostic.
4
. Fix `g77' so it properly handles `DATA A/RPT*VAL/', where RPT is
5
. Fix `g77' so it properly handles `DATA A/RPT*VAL/', where RPT is
not default `INTEGER', such as `INTEGER*2', instead of producing a
not default `INTEGER', such as `INTEGER*2', instead of producing a
spurious diagnostic. Also fix `DATA (A(I),I=1,N)', where `N' is
spurious diagnostic. Also fix `DATA (A(I),I=1,N)', where `N' is
not default `INTEGER' to work instead of crashing `g77'.
not default `INTEGER' to work instead of crashing `g77'.
5
. The `-ax' option is now obeyed when compiling Fortran programs.
6
. The `-ax' option is now obeyed when compiling Fortran programs.
(It is passed to the `f771' driver.)
(It is passed to the `f771' driver.)
* The new `-fsubscript-check' option causes `g77' to compile
* The new `-fsubscript-check' option causes `g77' to compile
...
@@ -122,7 +124,7 @@ In `egcs' 1.2 (versus 1.1.2):
...
@@ -122,7 +124,7 @@ In `egcs' 1.2 (versus 1.1.2):
references to the implementations of these intrinsics using the
references to the implementations of these intrinsics using the
`EXTERNAL' mechanism (which would avoid the new warnings).
`EXTERNAL' mechanism (which would avoid the new warnings).
6
. `g77' now warns about a reference to a function when the
7
. `g77' now warns about a reference to a function when the
corresponding *subsequent* function program unit disagrees with
corresponding *subsequent* function program unit disagrees with
the reference concerning the type of the function.
the reference concerning the type of the function.
...
@@ -133,11 +135,11 @@ In `egcs' 1.2 (versus 1.1.2):
...
@@ -133,11 +135,11 @@ In `egcs' 1.2 (versus 1.1.2):
* The `-malign-double' option now reliably aligns *all*
* The `-malign-double' option now reliably aligns *all*
double-precision variables and arrays on Intel x86 targets.
double-precision variables and arrays on Intel x86 targets.
7
. Even without the `-malign-double' option, `g77' reliably aligns
8
. Even without the `-malign-double' option, `g77' reliably aligns
local double-precision variables that are not in `EQUIVALENCE'
local double-precision variables that are not in `EQUIVALENCE'
areas and not `SAVE''d.
areas and not `SAVE''d.
8
. A substantial portion of the `g77' front end's code-generation
9
. A substantial portion of the `g77' front end's code-generation
component was rewritten. It now generates code using facilities
component was rewritten. It now generates code using facilities
more robustly supported by the `gcc' back end. One effect of this
more robustly supported by the `gcc' back end. One effect of this
rewrite is that some codes no longer produce a spurious "label LAB
rewrite is that some codes no longer produce a spurious "label LAB
...
@@ -145,11 +147,11 @@ In `egcs' 1.2 (versus 1.1.2):
...
@@ -145,11 +147,11 @@ In `egcs' 1.2 (versus 1.1.2):
* Support for the `-fugly' option has been removed.
* Support for the `-fugly' option has been removed.
9
. Improve documentation and indexing, including information on Year
10
. Improve documentation and indexing, including information on Year
2000 (Y2K) compliance, and providing more information on internals
2000 (Y2K) compliance, and providing more information on internals
of the front end.
of the front end.
1
0
. Upgrade to `libf2c' as of 1999-05-03.
1
1
. Upgrade to `libf2c' as of 1999-05-03.
In 0.5.24 and `egcs' 1.1.2 (versus 0.5.23 and 1.1.1):
In 0.5.24 and `egcs' 1.1.2 (versus 0.5.23 and 1.1.1):
=====================================================
=====================================================
...
@@ -191,14 +193,14 @@ In 0.5.24 and `egcs' 1.1.1 (versus 0.5.23 and 1.1):
...
@@ -191,14 +193,14 @@ In 0.5.24 and `egcs' 1.1.1 (versus 0.5.23 and 1.1):
In `egcs' 1.1 (versus 0.5.24):
In `egcs' 1.1 (versus 0.5.24):
==============================
==============================
1
1
. Fix `g77' crash compiling code containing the construct
1
2
. Fix `g77' crash compiling code containing the construct
`CMPLX(0.)' or similar.
`CMPLX(0.)' or similar.
1
2
. Fix `g77' crash (or apparently infinite run-time) when compiling
1
3
. Fix `g77' crash (or apparently infinite run-time) when compiling
certain complicated expressions involving `COMPLEX' arithmetic
certain complicated expressions involving `COMPLEX' arithmetic
(especially multiplication).
(especially multiplication).
1
3
. Fix a code-generation bug that afflicted Intel x86 targets when
1
4
. Fix a code-generation bug that afflicted Intel x86 targets when
`-O2' was specified compiling, for example, an old version of the
`-O2' was specified compiling, for example, an old version of the
`DNRM2' routine.
`DNRM2' routine.
...
@@ -214,25 +216,25 @@ In `egcs' 1.1 (versus 0.5.24):
...
@@ -214,25 +216,25 @@ In `egcs' 1.1 (versus 0.5.24):
In `egcs' 1.1 (versus `egcs' 1.0.3):
In `egcs' 1.1 (versus `egcs' 1.0.3):
====================================
====================================
1
4
. Fix bugs in the `libU77' intrinsic `HostNm' that wrote one byte
1
5
. Fix bugs in the `libU77' intrinsic `HostNm' that wrote one byte
beyond the end of its `CHARACTER' argument, and in the `libU77'
beyond the end of its `CHARACTER' argument, and in the `libU77'
intrinsics `GMTime' and `LTime' that overwrote their arguments.
intrinsics `GMTime' and `LTime' that overwrote their arguments.
1
5
. Assumed arrays with negative bounds (such as `REAL A(-1:*)') no
1
6
. Assumed arrays with negative bounds (such as `REAL A(-1:*)') no
longer elicit spurious diagnostics from `g77', even on systems
longer elicit spurious diagnostics from `g77', even on systems
with pointers having different sizes than integers.
with pointers having different sizes than integers.
This bug is not known to have existed in any recent version of
This bug is not known to have existed in any recent version of
`gcc'. It was introduced in an early release of `egcs'.
`gcc'. It was introduced in an early release of `egcs'.
1
6
. Valid combinations of `EXTERNAL', passing that external as a dummy
1
7
. Valid combinations of `EXTERNAL', passing that external as a dummy
argument without explicitly giving it a type, and, in a subsequent
argument without explicitly giving it a type, and, in a subsequent
program unit, referencing that external as an external function
program unit, referencing that external as an external function
with a different type no longer crash `g77'.
with a different type no longer crash `g77'.
1
7
. `CASE DEFAULT' no longer crashes `g77'.
1
8
. `CASE DEFAULT' no longer crashes `g77'.
1
8
. The `-Wunused' option no longer issues a spurious warning about
1
9
. The `-Wunused' option no longer issues a spurious warning about
the "master" procedure generated by `g77' for procedures
the "master" procedure generated by `g77' for procedures
containing `ENTRY' statements.
containing `ENTRY' statements.
...
@@ -257,25 +259,25 @@ In `egcs' 1.1 (versus `egcs' 1.0.3):
...
@@ -257,25 +259,25 @@ In `egcs' 1.1 (versus `egcs' 1.0.3):
`libf2c' environment, even when `libf2c' (now `libg2c') is a
`libf2c' environment, even when `libf2c' (now `libg2c') is a
shared library.
shared library.
19
. `g77' no longer installs the `f77' command and `f77.1' man page in
20
. `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'
the `/usr' or `/usr/local' heirarchy, even if the `f77-install-ok'
file exists in the source or build directory. See the
file exists in the source or build directory. See the
installation documentation for more information.
installation documentation for more information.
2
0
. `g77' no longer installs the `libf2c.a' library and `f2c.h'
2
1
. `g77' no longer installs the `libf2c.a' library and `f2c.h'
include file in the `/usr' or `/usr/local' heirarchy, even if the
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
`f2c-install-ok' or `f2c-exists-ok' files exist in the source or
build directory. See the installation documentation for more
build directory. See the installation documentation for more
information.
information.
2
1
. The `libf2c.a' library produced by `g77' has been renamed to
2
2
. The `libf2c.a' library produced by `g77' has been renamed to
`libg2c.a'. It is installed only in the `gcc' "private" directory
`libg2c.a'. It is installed only in the `gcc' "private" directory
heirarchy, `gcc-lib'. This allows system administrators and users
heirarchy, `gcc-lib'. This allows system administrators and users
to choose which version of the `libf2c' library from `netlib' they
to choose which version of the `libf2c' library from `netlib' they
wish to use on a case-by-case basis. See the installation
wish to use on a case-by-case basis. See the installation
documentation for more information.
documentation for more information.
2
2
. The `f2c.h' include (header) file produced by `g77' has been
2
3
. The `f2c.h' include (header) file produced by `g77' has been
renamed to `g2c.h'. It is installed only in the `gcc' "private"
renamed to `g2c.h'. It is installed only in the `gcc' "private"
directory heirarchy, `gcc-lib'. This allows system administrators
directory heirarchy, `gcc-lib'. This allows system administrators
and users to choose which version of the include file from
and users to choose which version of the include file from
...
@@ -287,11 +289,11 @@ In `egcs' 1.1 (versus `egcs' 1.0.3):
...
@@ -287,11 +289,11 @@ In `egcs' 1.1 (versus `egcs' 1.0.3):
than the one built and installed as part of the same `g77' version
than the one built and installed as part of the same `g77' version
is picked up.
is picked up.
2
3
. During the configuration and build process, `g77' creates
2
4
. During the configuration and build process, `g77' creates
subdirectories it needs only as it needs them. Other cleaning up
subdirectories it needs only as it needs them. Other cleaning up
of the configuration and build process has been performed as well.
of the configuration and build process has been performed as well.
2
4
. `install-info' now used to update the directory of Info
2
5
. `install-info' now used to update the directory of Info
documentation to contain an entry for `g77' (during installation).
documentation to contain an entry for `g77' (during installation).
* Some diagnostics have been changed from warnings to errors, to
* Some diagnostics have been changed from warnings to errors, to
...
@@ -300,28 +302,28 @@ In `egcs' 1.1 (versus `egcs' 1.0.3):
...
@@ -300,28 +302,28 @@ In `egcs' 1.1 (versus `egcs' 1.0.3):
in the `OPEN', `INQUIRE', `READ', and `WRITE' statements, and
in the `OPEN', `INQUIRE', `READ', and `WRITE' statements, and
about truncations of various sorts of constants.
about truncations of various sorts of constants.
2
5
. Improve compilation of `FORMAT' expressions so that a null byte is
2
6
. Improve compilation of `FORMAT' expressions so that a null byte is
appended to the last operand if it is a constant. This provides a
appended to the last operand if it is a constant. This provides a
cleaner run-time diagnostic as provided by `libf2c' for statements
cleaner run-time diagnostic as provided by `libf2c' for statements
like `PRINT '(I1', 42'.
like `PRINT '(I1', 42'.
2
6
. Improve documentation and indexing.
2
7
. Improve documentation and indexing.
2
7
. The upgrade to `libf2c' as of 1998-06-18 should fix a variety of
2
8
. The upgrade to `libf2c' as of 1998-06-18 should fix a variety of
problems, including those involving some uses of the `T' format
problems, including those involving some uses of the `T' format
specifier, and perhaps some build (porting) problems as well.
specifier, and perhaps some build (porting) problems as well.
In 0.5.24 and `egcs' 1.1 (versus 0.5.23):
In 0.5.24 and `egcs' 1.1 (versus 0.5.23):
=========================================
=========================================
2
8
. `g77' no longer produces incorrect code and initial values for
2
9
. `g77' no longer produces incorrect code and initial values for
`EQUIVALENCE' and `COMMON' aggregates that, due to "unnatural"
`EQUIVALENCE' and `COMMON' aggregates that, due to "unnatural"
ordering of members vis-a-vis their types, require initial padding.
ordering of members vis-a-vis their types, require initial padding.
29
. `g77' no longer crashes when compiling code containing
30
. `g77' no longer crashes when compiling code containing
specification statements such as `INTEGER(KIND=7) PTR'.
specification statements such as `INTEGER(KIND=7) PTR'.
3
0
. `g77' no longer crashes when compiling code such as `J = SIGNAL(1,
3
1
. `g77' no longer crashes when compiling code such as `J = SIGNAL(1,
2)'.
2)'.
* `g77' now treats `%LOC(EXPR)' and `LOC(EXPR)' as "ordinary"
* `g77' now treats `%LOC(EXPR)' and `LOC(EXPR)' as "ordinary"
...
@@ -352,9 +354,9 @@ In 0.5.24 and `egcs' 1.1 (versus 0.5.23):
...
@@ -352,9 +354,9 @@ In 0.5.24 and `egcs' 1.1 (versus 0.5.23):
* The F90 `System_Clock' intrinsic allows the optional arguments
* The F90 `System_Clock' intrinsic allows the optional arguments
(except for the `Count' argument) to be omitted.
(except for the `Count' argument) to be omitted.
3
1
. Upgrade to `libf2c' as of 1998-06-18.
3
2
. Upgrade to `libf2c' as of 1998-06-18.
3
2
. Improve documentation and indexing.
3
3
. Improve documentation and indexing.
In previous versions:
In previous versions:
=====================
=====================
...
...
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