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Commit 66935030 by Toon Moene Committed by Toon Moene
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g77.texi: egcs was not a `@command'. 

2001-11-21  Toon Moene  <toon@moene.indiv.nluug.nl>

	* g77.texi: egcs was not a `@command'.
	* invoke.texi: Ditto.
	* news.texi: Substitute `@command' for `@code'
	and `@option' for `@samp' where appropriate.

From-SVN: r47234
parent cd4c46f3
Showing with 405 additions and 398 deletions
gcc/f/ChangeLog
2001-11-21 Toon Moene <toon@moene.indiv.nluug.nl>
* g77.texi: egcs was not a `@command'.
* invoke.texi: Ditto.
* news.texi: Substitute `@command' for `@code'
and `@option' for `@samp' where appropriate.
2001-11-19 Loren J. Rittle <ljrittle@acm.org> 2001-11-19 Loren J. Rittle <ljrittle@acm.org>
* Make-lang.in: Complete ``Build g77.1 in $(srcdir)''. * Make-lang.in: Complete ``Build g77.1 in $(srcdir)''.
......
gcc/f/g77.texi
...@@ -2,7 +2,7 @@ ...@@ -2,7 +2,7 @@
@c %**start of header @c %**start of header
@setfilename g77.info @setfilename g77.info
@set last-update 2001-11-14 @set last-update 2001-11-20
@set copyrights-g77 1995,1996,1997,1998,1999,2000,2001 @set copyrights-g77 1995,1996,1997,1998,1999,2000,2001
@include root.texi @include root.texi
...@@ -380,7 +380,7 @@ So far, this has resulted in the three, somewhat ...@@ -380,7 +380,7 @@ So far, this has resulted in the three, somewhat
experimental, options added by @command{g77} to the @command{gcc} experimental, options added by @command{g77} to the @command{gcc}
compiler and its back end. compiler and its back end.
(These, in turn, had made their way into the @command{egcs} (These, in turn, had made their way into the @code{egcs}
version of the compiler, and do not exist in @command{gcc} version of the compiler, and do not exist in @command{gcc}
version 2.8 or versions of @command{g77} based on that version version 2.8 or versions of @command{g77} based on that version
of @command{gcc}.) of @command{gcc}.)
...@@ -409,7 +409,7 @@ The default is that people wish to remain anonymous. ...@@ -409,7 +409,7 @@ The default is that people wish to remain anonymous.
@cindex improvements, funding @cindex improvements, funding
James Craig Burley (@email{@value{email-burley}}), the original author James Craig Burley (@email{@value{email-burley}}), the original author
of g77, stopped working on it in September 1999 of @command{g77}, stopped working on it in September 1999
(He has a web page at @uref{@value{www-burley}}.) (He has a web page at @uref{@value{www-burley}}.)
GNU Fortran is currently maintained by Toon Moene GNU Fortran is currently maintained by Toon Moene
...@@ -626,7 +626,7 @@ the program (whether to diagnose questionable usage ...@@ -626,7 +626,7 @@ the program (whether to diagnose questionable usage
of the language), how much time to spend making of the language), how much time to spend making
the generated machine code run faster, and so on. the generated machine code run faster, and so on.
@cindex components of g77 @cindex components of @command{g77}
@cindex @command{g77}, components of @cindex @command{g77}, components of
@command{g77} consists of several components: @command{g77} consists of several components:
...@@ -5686,13 +5686,13 @@ runtime---specifically the I/O system---is initialized. ...@@ -5686,13 +5686,13 @@ runtime---specifically the I/O system---is initialized.
However, to use the @command{g77} intrinsics @code{GETARG} and @code{IARGC}, However, to use the @command{g77} intrinsics @code{GETARG} and @code{IARGC},
either the @code{main} routine from the @file{libg2c} library must be used, either the @code{main} routine from the @file{libg2c} library must be used,
or the @code{f_setarg} routine or the @code{f_setarg} routine
(new as of @command{egcs} version 1.1 and @command{g77} version 0.5.23) (new as of @code{egcs} version 1.1 and @command{g77} version 0.5.23)
must be called with the appropriate @code{argc} and @code{argv} arguments must be called with the appropriate @code{argc} and @code{argv} arguments
prior to the program calling @code{GETARG} or @code{IARGC}. prior to the program calling @code{GETARG} or @code{IARGC}.
To provide more flexibility for mixed-language programming To provide more flexibility for mixed-language programming
involving @command{g77} while allowing for shared libraries, involving @command{g77} while allowing for shared libraries,
as of @command{egcs} version 1.1 and @command{g77} version 0.5.23, as of @code{egcs} version 1.1 and @command{g77} version 0.5.23,
@command{g77}'s @code{main} routine in @code{libg2c} @command{g77}'s @code{main} routine in @code{libg2c}
does the following, in order: does the following, in order:
......
gcc/f/invoke.texi
...@@ -382,7 +382,7 @@ by the @command{g77} and @command{gcc} commands in a GNU Fortran installation: ...@@ -382,7 +382,7 @@ by the @command{g77} and @command{gcc} commands in a GNU Fortran installation:
@item -fversion @item -fversion
Ensure that the @command{g77} version of the compiler phase is reported, Ensure that the @command{g77} version of the compiler phase is reported,
if run, if run,
and, starting in @command{egcs} version 1.1, and, starting in @code{egcs} version 1.1,
that internal consistency checks in the @file{f771} program are run. that internal consistency checks in the @file{f771} program are run.
This option is supplied automatically when @option{-v} or @option{--verbose} This option is supplied automatically when @option{-v} or @option{--verbose}
...@@ -396,7 +396,7 @@ for @samp{.c} files. ...@@ -396,7 +396,7 @@ for @samp{.c} files.
@cindex options, -fset-g77-defaults @cindex options, -fset-g77-defaults
@item -fset-g77-defaults @item -fset-g77-defaults
@emph{Version info:} @emph{Version info:}
This option was obsolete as of @command{egcs} This option was obsolete as of @code{egcs}
version 1.1. version 1.1.
The effect is instead achieved The effect is instead achieved
by the @code{lang_init_options} routine by the @code{lang_init_options} routine
...@@ -415,8 +415,8 @@ The description of this option is provided so that users seeing ...@@ -415,8 +415,8 @@ The description of this option is provided so that users seeing
it in the output of, say, @samp{g77 -v} understand why it is it in the output of, say, @samp{g77 -v} understand why it is
there. there.
@cindex modifying g77 @cindex modifying @command{g77}
@cindex code, modifying @cindex @command{g77}, modifying
Also, developers who run @code{f771} directly might want to specify it Also, developers who run @code{f771} directly might want to specify it
by hand to get the same defaults as they would running @code{f771} by hand to get the same defaults as they would running @code{f771}
via @command{g77} or @command{gcc} via @command{g77} or @command{gcc}
...@@ -1947,7 +1947,7 @@ the @command{gcc} back end that provide direct support of ...@@ -1947,7 +1947,7 @@ the @command{gcc} back end that provide direct support of
(@command{gcc} had some bugs in its back-end support (@command{gcc} had some bugs in its back-end support
for @code{complex} arithmetic, due primarily to the support not being for @code{complex} arithmetic, due primarily to the support not being
completed as of version 2.8.1 and @command{egcs} 1.1.2.) completed as of version 2.8.1 and @code{egcs} 1.1.2.)
Use @option{-femulate-complex} if you suspect code-generation bugs, Use @option{-femulate-complex} if you suspect code-generation bugs,
or experience compiler crashes, or experience compiler crashes,
......
gcc/f/news.texi
...@@ -9,7 +9,7 @@ ...@@ -9,7 +9,7 @@
@c in the standalone derivations of this file (e.g. NEWS). @c in the standalone derivations of this file (e.g. NEWS).
@set copyrights-news 1995,1996,1997,1998,1999,2000,2001 @set copyrights-news 1995,1996,1997,1998,1999,2000,2001
@set last-update-news 2001-11-08 @set last-update-news 2001-11-20
@include root.texi @include root.texi
...@@ -40,15 +40,15 @@ this copyright notice and permission notice. ...@@ -40,15 +40,15 @@ this copyright notice and permission notice.
@cindex changes, user-visible @cindex changes, user-visible
@cindex user-visible changes @cindex user-visible changes
This chapter describes changes to @code{g77} that are visible This chapter describes changes to @command{g77} that are visible
to the programmers who actually write and maintain Fortran to the programmers who actually write and maintain Fortran
code they compile with @code{g77}. code they compile with @command{g77}.
Information on changes to installation procedures, Information on changes to installation procedures,
changes to the documentation, and bug fixes is changes to the documentation, and bug fixes is
not provided here, unless it is likely to affect how not provided here, unless it is likely to affect how
users use @code{g77}. users use @command{g77}.
@xref{News,,News About GNU Fortran}, for information on @xref{News,,News About GNU Fortran}, for information on
such changes to @code{g77}. such changes to @command{g77}.
@end ifset @end ifset
@ifclear USERVISONLY @ifclear USERVISONLY
...@@ -93,7 +93,7 @@ This order is not strict---for example, some items ...@@ -93,7 +93,7 @@ This order is not strict---for example, some items
involve a combination of these elements. involve a combination of these elements.
@end ifclear @end ifclear
Note that two variants of @code{g77} are tracked below. Note that two variants of @command{g77} are tracked below.
The @code{egcs} variant is described vis-a-vis The @code{egcs} variant is described vis-a-vis
previous versions of @code{egcs} and/or previous versions of @code{egcs} and/or
an official FSF version, as appropriate. an official FSF version, as appropriate.
...@@ -107,31 +107,31 @@ of what a particular @code{egcs} version contains ...@@ -107,31 +107,31 @@ of what a particular @code{egcs} version contains
somewhat more difficult. somewhat more difficult.
@ifset DOC-G77 @ifset DOC-G77
For information on bugs in the @value{which-g77} version of @code{g77}, For information on bugs in the @value{which-g77} version of @command{g77},
see @ref{Known Bugs,,Known Bugs In GNU Fortran}. see @ref{Known Bugs,,Known Bugs In GNU Fortran}.
@end ifset @end ifset
@ifset DOC-BUGS @ifset DOC-BUGS
For information on bugs in the @value{which-g77} version of @code{g77}, For information on bugs in the @value{which-g77} version of @command{g77},
see @file{@value{path-g77}/BUGS}. see @file{@value{path-g77}/BUGS}.
@end ifset @end ifset
@ifset DEVELOPMENT @ifset DEVELOPMENT
@emph{Warning:} The information below is still under development, @emph{Warning:} The information below is still under development,
and might not accurately reflect the @code{g77} code base and might not accurately reflect the @command{g77} code base
of which it is a part. of which it is a part.
Efforts are made to keep it somewhat up-to-date, Efforts are made to keep it somewhat up-to-date,
but they are particularly concentrated but they are particularly concentrated
on any version of this information on any version of this information
that is distributed as part of a @emph{released} @code{g77}. that is distributed as part of a @emph{released} @command{g77}.
In particular, while this information is intended to apply to In particular, while this information is intended to apply to
the @value{which-g77} version of @code{g77}, the @value{which-g77} version of @command{g77},
only an official @emph{release} of that version only an official @emph{release} of that version
is expected to contain documentation that is is expected to contain documentation that is
most consistent with the @code{g77} product in that version. most consistent with the @command{g77} product in that version.
Nevertheless, information on @emph{previous} releases of @code{g77}, below, Nevertheless, information on @emph{previous} releases of @command{g77}, below,
is likely to be more up-to-date and accurate is likely to be more up-to-date and accurate
than the equivalent information that accompanied than the equivalent information that accompanied
those releases, those releases,
...@@ -139,13 +139,13 @@ assuming the last-updated date of the information below ...@@ -139,13 +139,13 @@ assuming the last-updated date of the information below
is later than the dates of those releases. is later than the dates of those releases.
That's due to attempts to keep this development version That's due to attempts to keep this development version
of news about previous @code{g77} versions up-to-date. of news about previous @command{g77} versions up-to-date.
@end ifset @end ifset
@ifclear USERVISONLY @ifclear USERVISONLY
An online, ``live'' version of this document An online, ``live'' version of this document
(derived directly from the mainline, development version (derived directly from the mainline, development version
of @code{g77} within @code{gcc}) of @command{g77} within @command{gcc})
is available at is available at
@uref{http://www.gnu.org/software/gcc/onlinedocs/g77_news.html}. @uref{http://www.gnu.org/software/gcc/onlinedocs/g77_news.html}.
@end ifclear @end ifclear
...@@ -155,11 +155,11 @@ The following information was last updated on @value{last-update-news}: ...@@ -155,11 +155,11 @@ The following information was last updated on @value{last-update-news}:
@heading In development, 0.5.27, @code{GCC} 3.1 versus @code{GCC} 3.0: @heading In development, 0.5.27, @code{GCC} 3.1 versus @code{GCC} 3.0:
@itemize @bullet @itemize @bullet
@item @item
g77 now has its man page generated from the texinfo documentation, @command{g77} now has its man page generated from the texinfo documentation,
to guarantee that it remains up to date. to guarantee that it remains up to date.
@item @item
g77 used to reject the following program on 32-bit targets: @command{g77} used to reject the following program on 32-bit targets:
@smallexample @smallexample
PROGRAM PROG PROGRAM PROG
DIMENSION A(140 000 000) DIMENSION A(140 000 000)
...@@ -182,7 +182,7 @@ than 1 Gbyte statically, i.e.@: @code{g77 -static ...}. ...@@ -182,7 +182,7 @@ than 1 Gbyte statically, i.e.@: @code{g77 -static ...}.
@item @item
Based on work done by Juergen Pfeifer (@email{juergen.pfeifer@@gmx.net}) Based on work done by Juergen Pfeifer (@email{juergen.pfeifer@@gmx.net})
libf2c is now a shared library. One can still link in all objects with libf2c is now a shared library. One can still link in all objects with
the program by specifying the @code{-static} option. the program by specifying the @option{-static} option.
@item @item
Robert Anderson (@email{rwa@@alumni.princeton.edu}) thought up a two Robert Anderson (@email{rwa@@alumni.princeton.edu}) thought up a two
...@@ -198,7 +198,7 @@ Note the use of array elements in the bounds of the adjustable array A. ...@@ -198,7 +198,7 @@ Note the use of array elements in the bounds of the adjustable array A.
@item @item
George Helffrich (@email{george@@geo.titech.ac.jp}) implemented a change George Helffrich (@email{george@@geo.titech.ac.jp}) implemented a change
in substring index checking (when specifying @code{-fbounds-check}) in substring index checking (when specifying @option{-fbounds-check})
that permits the use of zero length substrings of the form that permits the use of zero length substrings of the form
@code{string(1:0)}. @code{string(1:0)}.
...@@ -218,7 +218,7 @@ the @code{ftruncate} OS function. Thanks go to the GAMESS developers ...@@ -218,7 +218,7 @@ the @code{ftruncate} OS function. Thanks go to the GAMESS developers
for bringing this to our attention. for bringing this to our attention.
@item @item
Using options @code{-g}, @code{-ggdb} or @code{-gdwarf[-2]} (where Using options @option{-g}, @option{-ggdb} or @option{-gdwarf[-2]} (where
appropriate for your target) now also enables debugging information appropriate for your target) now also enables debugging information
for COMMON BLOCK and EQUIVALENCE items to be emitted. for COMMON BLOCK and EQUIVALENCE items to be emitted.
Thanks go to Andrew Vaught (@email{andy@@xena.eas.asu.edu}) and Thanks go to Andrew Vaught (@email{andy@@xena.eas.asu.edu}) and
...@@ -226,7 +226,7 @@ George Helffrich (@email{george@@geology.bristol.ac.uk}) for ...@@ -226,7 +226,7 @@ George Helffrich (@email{george@@geology.bristol.ac.uk}) for
fixing this longstanding problem. fixing this longstanding problem.
@item @item
It is not necessary anymore to use the option @code{-femulate-complex} It is not necessary anymore to use the option @option{-femulate-complex}
to compile Fortran code using COMPLEX arithmetic, even on 64-bit machines to compile Fortran code using COMPLEX arithmetic, even on 64-bit machines
(like the Alpha). This will improve code generation. (like the Alpha). This will improve code generation.
...@@ -264,7 +264,7 @@ not necessarily starting at @samp{K(6)}. ...@@ -264,7 +264,7 @@ not necessarily starting at @samp{K(6)}.
@itemize @bullet @itemize @bullet
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{g77} no longer generates bad code for assignments, @command{g77} no longer generates bad code for assignments,
or other conversions, or other conversions,
of @code{REAL} or @code{COMPLEX} constant expressions of @code{REAL} or @code{COMPLEX} constant expressions
to type @code{INTEGER(KIND=2)} to type @code{INTEGER(KIND=2)}
...@@ -275,7 +275,7 @@ For example, @samp{INTEGER*8 J; J = 4E10} now works as documented. ...@@ -275,7 +275,7 @@ For example, @samp{INTEGER*8 J; J = 4E10} now works as documented.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{g77} no longer truncates @code{INTEGER(KIND=2)} @command{g77} no longer truncates @code{INTEGER(KIND=2)}
(usually @code{INTEGER*8}) (usually @code{INTEGER*8})
subscript expressions when evaluating array references subscript expressions when evaluating array references
on systems with pointers widers than @code{INTEGER(KIND=1)} on systems with pointers widers than @code{INTEGER(KIND=1)}
...@@ -284,7 +284,7 @@ on systems with pointers widers than @code{INTEGER(KIND=1)} ...@@ -284,7 +284,7 @@ on systems with pointers widers than @code{INTEGER(KIND=1)}
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{g77} no longer generates bad code @command{g77} no longer generates bad code
for an assignment to a @code{COMPLEX} variable or array for an assignment to a @code{COMPLEX} variable or array
that partially overlaps one or more of the sources that partially overlaps one or more of the sources
of the same assignment of the same assignment
...@@ -325,7 +325,7 @@ on big-endian systems. ...@@ -325,7 +325,7 @@ on big-endian systems.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @code{g77} so it no longer crashes when compiling Fix @command{g77} so it no longer crashes when compiling
I/O statements using keywords that define @code{INTEGER} values, I/O statements using keywords that define @code{INTEGER} values,
such as @samp{IOSTAT=@var{j}}, such as @samp{IOSTAT=@var{j}},
where @var{j} is other than default @code{INTEGER} where @var{j} is other than default @code{INTEGER}
...@@ -335,34 +335,34 @@ Instead, it issues a diagnostic. ...@@ -335,34 +335,34 @@ Instead, it issues a diagnostic.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @code{g77} so it properly handles @samp{DATA A/@var{rpt}*@var{val}/}, Fix @command{g77} so it properly handles @samp{DATA A/@var{rpt}*@var{val}/},
where @var{rpt} is not default @code{INTEGER}, such as @code{INTEGER*2}, where @var{rpt} is not default @code{INTEGER}, such as @code{INTEGER*2},
instead of producing a spurious diagnostic. instead of producing a spurious diagnostic.
Also fix @samp{DATA (A(I),I=1,N)}, Also fix @samp{DATA (A(I),I=1,N)},
where @samp{N} is not default @code{INTEGER} where @samp{N} is not default @code{INTEGER}
to work instead of crashing @code{g77}. to work instead of crashing @command{g77}.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
The @samp{-ax} option is now obeyed when compiling Fortran programs. The @option{-ax} option is now obeyed when compiling Fortran programs.
(It is passed to the @file{f771} driver.) (It is passed to the @file{f771} driver.)
@end ifclear @end ifclear
@item @item
The new @samp{-fbounds-check} option The new @option{-fbounds-check} option
causes @code{g77} to compile run-time bounds checks causes @command{g77} to compile run-time bounds checks
of array subscripts, as well as of substring start and end points. of array subscripts, as well as of substring start and end points.
@item @item
@code{libg2c} now supports building as multilibbed library, @code{libg2c} now supports building as multilibbed library,
which provides better support for systems which provides better support for systems
that require options such as @samp{-mieee} that require options such as @option{-mieee}
to work properly. to work properly.
@item @item
Source file names with the suffixes @samp{.FOR} and @samp{.FPP} Source file names with the suffixes @samp{.FOR} and @samp{.FPP}
now are recognized by @code{g77} now are recognized by @command{g77}
as if they ended in @samp{.for} and @samp{.fpp}, respectively. as if they ended in @samp{.for} and @samp{.fpp}, respectively.
@item @item
...@@ -376,7 +376,7 @@ making these consistent with the other subroutine forms ...@@ -376,7 +376,7 @@ making these consistent with the other subroutine forms
of @code{libU77} intrinsics. of @code{libU77} intrinsics.
@item @item
@code{g77} now warns about a reference to an intrinsic @command{g77} now warns about a reference to an intrinsic
that has an interface that is not Year 2000 (Y2K) compliant. that has an interface that is not Year 2000 (Y2K) compliant.
Also, @code{libg2c} has been changed to increase the likelihood Also, @code{libg2c} has been changed to increase the likelihood
of catching references to the implementations of these intrinsics of catching references to the implementations of these intrinsics
...@@ -389,13 +389,13 @@ using the @code{EXTERNAL} mechanism ...@@ -389,13 +389,13 @@ using the @code{EXTERNAL} mechanism
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{g77} now warns about a reference to a function @command{g77} now warns about a reference to a function
when the corresponding @emph{subsequent} function program unit when the corresponding @emph{subsequent} function program unit
disagrees with the reference concerning the type of the function. disagrees with the reference concerning the type of the function.
@end ifclear @end ifclear
@item @item
@samp{-fno-emulate-complex} is now the default option. @option{-fno-emulate-complex} is now the default option.
This should result in improved performance This should result in improved performance
of code that uses the @code{COMPLEX} data type. of code that uses the @code{COMPLEX} data type.
...@@ -403,35 +403,35 @@ of code that uses the @code{COMPLEX} data type. ...@@ -403,35 +403,35 @@ of code that uses the @code{COMPLEX} data type.
@cindex double-precision performance @cindex double-precision performance
@cindex -malign-double @cindex -malign-double
@item @item
The @samp{-malign-double} option The @option{-malign-double} option
now reliably aligns @emph{all} double-precision variables and arrays now reliably aligns @emph{all} double-precision variables and arrays
on Intel x86 targets. on Intel x86 targets.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Even without the @samp{-malign-double} option, Even without the @option{-malign-double} option,
@code{g77} reliably aligns local double-precision variables @command{g77} reliably aligns local double-precision variables
that are not in @code{EQUIVALENCE} areas that are not in @code{EQUIVALENCE} areas
and not @code{SAVE}'d. and not @code{SAVE}'d.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{g77} now open-codes (``inlines'') division of @code{COMPLEX} operands @command{g77} now open-codes (``inlines'') division of @code{COMPLEX} operands
instead of generating a run-time call to instead of generating a run-time call to
the @code{libf2c} routines @code{c_div} or @code{z_div}, the @code{libf2c} routines @code{c_div} or @code{z_div},
unless the @samp{-Os} option is specified. unless the @option{-Os} option is specified.
@end ifclear @end ifclear
@item @item
@code{g77} no longer generates code to maintain @code{errno}, @command{g77} no longer generates code to maintain @code{errno},
a C-language concept, a C-language concept,
when performing operations such as the @code{SqRt} intrinsic. when performing operations such as the @code{SqRt} intrinsic.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{g77} developers can temporarily use @command{g77} developers can temporarily use
the @samp{-fflatten-arrays} option the @option{-fflatten-arrays} option
to compare how the compiler handles code generation to compare how the compiler handles code generation
using C-like constructs as compared to the using C-like constructs as compared to the
Fortran-like method constructs normally used. Fortran-like method constructs normally used.
...@@ -439,17 +439,17 @@ Fortran-like method constructs normally used. ...@@ -439,17 +439,17 @@ Fortran-like method constructs normally used.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
A substantial portion of the @code{g77} front end's code-generation component A substantial portion of the @command{g77} front end's code-generation component
was rewritten. was rewritten.
It now generates code using facilities more robustly supported It now generates code using facilities more robustly supported
by the @code{gcc} back end. by the @command{gcc} back end.
One effect of this rewrite is that some codes no longer produce One effect of this rewrite is that some codes no longer produce
a spurious ``label @var{lab} used before containing binding contour'' a spurious ``label @var{lab} used before containing binding contour''
message. message.
@end ifclear @end ifclear
@item @item
Support for the @samp{-fugly} option has been removed. Support for the @option{-fugly} option has been removed.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
...@@ -466,12 +466,12 @@ Upgrade to @code{libf2c} as of 1999-05-10. ...@@ -466,12 +466,12 @@ Upgrade to @code{libf2c} as of 1999-05-10.
@heading In 0.5.24 versus 0.5.23: @heading In 0.5.24 versus 0.5.23:
There is no @code{g77} version 0.5.24 at this time, There is no @command{g77} version 0.5.24 at this time,
or planned. or planned.
0.5.24 is the version number designated for bug fixes and, 0.5.24 is the version number designated for bug fixes and,
perhaps, some new features added, perhaps, some new features added,
to 0.5.23. to 0.5.23.
Version 0.5.23 requires @code{gcc} 2.8.1, Version 0.5.23 requires @command{gcc} 2.8.1,
as 0.5.24 was planned to require. as 0.5.24 was planned to require.
Due to @code{EGCS} becoming @code{GCC} Due to @code{EGCS} becoming @code{GCC}
...@@ -480,14 +480,14 @@ and @code{EGCS} 1.2 becoming officially designated @code{GCC} 2.95, ...@@ -480,14 +480,14 @@ and @code{EGCS} 1.2 becoming officially designated @code{GCC} 2.95,
there seems to be no need for an actual 0.5.24 release. there seems to be no need for an actual 0.5.24 release.
To reduce the confusion already resulting from use of 0.5.24 To reduce the confusion already resulting from use of 0.5.24
to designate @code{g77} versions within @code{EGCS} versions 1.0 and 1.1, to designate @command{g77} versions within @code{EGCS} versions 1.0 and 1.1,
as well as in versions of @code{g77} documentation and notices as well as in versions of @command{g77} documentation and notices
during that period, during that period,
``mainline'' @code{g77} version numbering resumes ``mainline'' @command{g77} version numbering resumes
at 0.5.25 with @code{GCC} 2.95 (@code{EGCS} 1.2), at 0.5.25 with @code{GCC} 2.95 (@code{EGCS} 1.2),
skipping over 0.5.24 as a placeholder version number. skipping over 0.5.24 as a placeholder version number.
To repeat, there is no @code{g77} 0.5.24, but there is now a 0.5.25. To repeat, there is no @command{g77} 0.5.24, but there is now a 0.5.25.
Please remain calm and return to your keypunch units. Please remain calm and return to your keypunch units.
@c 1999-03-15: EGCS 1.1.2 released. @c 1999-03-15: EGCS 1.1.2 released.
...@@ -530,21 +530,21 @@ Fix @code{libg2c} so it performs an implicit @code{ENDFILE} operation ...@@ -530,21 +530,21 @@ Fix @code{libg2c} so it performs an implicit @code{ENDFILE} operation
whenever a @code{REWIND} is done. whenever a @code{REWIND} is done.
(This bug was introduced in 0.5.23 and @code{egcs} 1.1 in (This bug was introduced in 0.5.23 and @code{egcs} 1.1 in
@code{g77}'s version of @code{libf2c}.) @command{g77}'s version of @code{libf2c}.)
@item @item
Fix @code{libg2c} so it no longer crashes with a spurious diagnostic Fix @code{libg2c} so it no longer crashes with a spurious diagnostic
upon doing any I/O following a direct formatted write. upon doing any I/O following a direct formatted write.
(This bug was introduced in 0.5.23 and @code{egcs} 1.1 in (This bug was introduced in 0.5.23 and @code{egcs} 1.1 in
@code{g77}'s version of @code{libf2c}.) @command{g77}'s version of @code{libf2c}.)
@item @item
Fix @code{g77} so it no longer crashes compiling references Fix @command{g77} so it no longer crashes compiling references
to the @code{Rand} intrinsic on some systems. to the @code{Rand} intrinsic on some systems.
@item @item
Fix @code{g77} portion of installation process so it works Fix @command{g77} portion of installation process so it works
better on some systems better on some systems
(those with shells requiring @samp{else true} clauses (those with shells requiring @samp{else true} clauses
on @code{if} constructs on @code{if} constructs
...@@ -569,12 +569,12 @@ that overwrote their arguments. ...@@ -569,12 +569,12 @@ that overwrote their arguments.
@item @item
Assumed arrays with negative bounds Assumed arrays with negative bounds
(such as @samp{REAL A(-1:*)}) (such as @samp{REAL A(-1:*)})
no longer elicit spurious diagnostics from @code{g77}, no longer elicit spurious diagnostics from @command{g77},
even on systems with pointers having even on systems with pointers having
different sizes than integers. different sizes than integers.
This bug is not known to have existed in any This bug is not known to have existed in any
recent version of @code{gcc}. recent version of @command{gcc}.
It was introduced in an early release of @code{egcs}. It was introduced in an early release of @code{egcs}.
@end ifclear @end ifclear
...@@ -586,19 +586,19 @@ without explicitly giving it a type, ...@@ -586,19 +586,19 @@ without explicitly giving it a type,
and, in a subsequent program unit, and, in a subsequent program unit,
referencing that external as referencing that external as
an external function with a different type an external function with a different type
no longer crash @code{g77}. no longer crash @command{g77}.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{CASE DEFAULT} no longer crashes @code{g77}. @code{CASE DEFAULT} no longer crashes @command{g77}.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
The @samp{-Wunused} option no longer issues a spurious The @option{-Wunused} option no longer issues a spurious
warning about the ``master'' procedure generated by warning about the ``master'' procedure generated by
@code{g77} for procedures containing @code{ENTRY} statements. @command{g77} for procedures containing @code{ENTRY} statements.
@end ifclear @end ifclear
@item @item
...@@ -606,9 +606,9 @@ Support @samp{FORMAT(I<@var{expr}>)} when @var{expr} is a ...@@ -606,9 +606,9 @@ Support @samp{FORMAT(I<@var{expr}>)} when @var{expr} is a
compile-time constant @code{INTEGER} expression. compile-time constant @code{INTEGER} expression.
@item @item
Fix @code{g77} @samp{-g} option so procedures that Fix @command{g77} @option{-g} option so procedures that
use @code{ENTRY} can be stepped through, line by line, use @code{ENTRY} can be stepped through, line by line,
in @code{gdb}. in @command{gdb}.
@item @item
Allow any @code{REAL} argument to intrinsics Allow any @code{REAL} argument to intrinsics
...@@ -621,7 +621,7 @@ so that the @code{TMPDIR} environment variable, ...@@ -621,7 +621,7 @@ so that the @code{TMPDIR} environment variable,
if present, is used. if present, is used.
@item @item
@code{g77}'s version of @code{libf2c} separates out @command{g77}'s version of @code{libf2c} separates out
the setting of global state the setting of global state
(such as command-line arguments and signal handling) (such as command-line arguments and signal handling)
from @file{main.o} into distinct, new library from @file{main.o} into distinct, new library
...@@ -634,7 +634,7 @@ when @code{libf2c} (now @code{libg2c}) is a shared library. ...@@ -634,7 +634,7 @@ when @code{libf2c} (now @code{libg2c}) is a shared library.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{g77} no longer installs the @file{f77} command @command{g77} no longer installs the @file{f77} command
and @file{f77.1} man page and @file{f77.1} man page
in the @file{/usr} or @file{/usr/local} heirarchy, in the @file{/usr} or @file{/usr/local} heirarchy,
even if the @file{f77-install-ok} file exists even if the @file{f77-install-ok} file exists
...@@ -644,7 +644,7 @@ See the installation documentation for more information. ...@@ -644,7 +644,7 @@ See the installation documentation for more information.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{g77} no longer installs the @file{libf2c.a} library @command{g77} no longer installs the @file{libf2c.a} library
and @file{f2c.h} include file and @file{f2c.h} include file
in the @file{/usr} or @file{/usr/local} heirarchy, in the @file{/usr} or @file{/usr/local} heirarchy,
even if the @file{f2c-install-ok} or @file{f2c-exists-ok} files exist even if the @file{f2c-install-ok} or @file{f2c-exists-ok} files exist
...@@ -654,9 +654,9 @@ See the installation documentation for more information. ...@@ -654,9 +654,9 @@ See the installation documentation for more information.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
The @file{libf2c.a} library produced by @code{g77} has been The @file{libf2c.a} library produced by @command{g77} has been
renamed to @file{libg2c.a}. renamed to @file{libg2c.a}.
It is installed only in the @code{gcc} ``private'' It is installed only in the @command{gcc} ``private''
directory heirarchy, @file{gcc-lib}. directory heirarchy, @file{gcc-lib}.
This allows system administrators and users to choose which This allows system administrators and users to choose which
version of the @code{libf2c} library from @code{netlib} they version of the @code{libf2c} library from @code{netlib} they
...@@ -666,9 +666,9 @@ See the installation documentation for more information. ...@@ -666,9 +666,9 @@ See the installation documentation for more information.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
The @file{f2c.h} include (header) file produced by @code{g77} The @file{f2c.h} include (header) file produced by @command{g77}
has been renamed to @file{g2c.h}. has been renamed to @file{g2c.h}.
It is installed only in the @code{gcc} ``private'' It is installed only in the @command{gcc} ``private''
directory heirarchy, @file{gcc-lib}. directory heirarchy, @file{gcc-lib}.
This allows system administrators and users to choose which This allows system administrators and users to choose which
version of the include file from @code{netlib} they version of the include file from @code{netlib} they
...@@ -677,15 +677,15 @@ See the installation documentation for more information. ...@@ -677,15 +677,15 @@ See the installation documentation for more information.
@end ifclear @end ifclear
@item @item
The @code{g77} command now expects the run-time library The @command{g77} command now expects the run-time library
to be named @code{libg2c.a} instead of @code{libf2c.a}, to be named @code{libg2c.a} instead of @code{libf2c.a},
to ensure that a version other than the one built and to ensure that a version other than the one built and
installed as part of the same @code{g77} version is picked up. installed as part of the same @command{g77} version is picked up.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
During the configuration and build process, During the configuration and build process,
@code{g77} creates subdirectories it needs only as it @command{g77} creates subdirectories it needs only as it
needs them. needs them.
Other cleaning up of the configuration and build process Other cleaning up of the configuration and build process
has been performed as well. has been performed as well.
...@@ -694,7 +694,7 @@ has been performed as well. ...@@ -694,7 +694,7 @@ has been performed as well.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{install-info} now used to update the directory of @code{install-info} now used to update the directory of
Info documentation to contain an entry for @code{g77} Info documentation to contain an entry for @command{g77}
(during installation). (during installation).
@end ifclear @end ifclear
...@@ -732,7 +732,7 @@ as well. ...@@ -732,7 +732,7 @@ as well.
@end itemize @end itemize
@c 1998-09-03: EGCS 1.1 released. @c 1998-09-03: EGCS 1.1 released.
@heading In @code{EGCS} 1.1 versus @code{g77} 0.5.23: @heading In @code{EGCS} 1.1 versus @command{g77} 0.5.23:
@itemize @bullet @itemize @bullet
@ifclear USERVISONLY @ifclear USERVISONLY
@cindex DNRM2 @cindex DNRM2
...@@ -741,7 +741,7 @@ as well. ...@@ -741,7 +741,7 @@ as well.
@cindex -O2 @cindex -O2
@item @item
Fix a code-generation bug that afflicted Fix a code-generation bug that afflicted
Intel x86 targets when @samp{-O2} was specified Intel x86 targets when @option{-O2} was specified
compiling, for example, an old version of compiling, for example, an old version of
the @code{DNRM2} routine. the @code{DNRM2} routine.
...@@ -752,7 +752,7 @@ and @code{ASSIGN}. ...@@ -752,7 +752,7 @@ and @code{ASSIGN}.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{g77} no longer produces incorrect code @command{g77} no longer produces incorrect code
and initial values and initial values
for @code{EQUIVALENCE} and @code{COMMON} for @code{EQUIVALENCE} and @code{COMMON}
aggregates that, due to ``unnatural'' ordering of members aggregates that, due to ``unnatural'' ordering of members
...@@ -761,39 +761,39 @@ vis-a-vis their types, require initial padding. ...@@ -761,39 +761,39 @@ vis-a-vis their types, require initial padding.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @code{g77} crash compiling code Fix @command{g77} crash compiling code
containing the construct @samp{CMPLX(0.)} or similar. containing the construct @samp{CMPLX(0.)} or similar.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{g77} no longer crashes when compiling code @command{g77} no longer crashes when compiling code
containing specification statements such as containing specification statements such as
@samp{INTEGER(KIND=7) PTR}. @samp{INTEGER(KIND=7) PTR}.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{g77} no longer crashes when compiling code @command{g77} no longer crashes when compiling code
such as @samp{J = SIGNAL(1, 2)}. such as @samp{J = SIGNAL(1, 2)}.
@end ifclear @end ifclear
@item @item
@code{g77} now treats @samp{%LOC(@var{expr})} and @command{g77} now treats @samp{%LOC(@var{expr})} and
@samp{LOC(@var{expr})} as ``ordinary'' expressions @samp{LOC(@var{expr})} as ``ordinary'' expressions
when they are used as arguments in procedure calls. when they are used as arguments in procedure calls.
This change applies only to global (filewide) analysis, This change applies only to global (filewide) analysis,
making it consistent with making it consistent with
how @code{g77} actually generates code how @command{g77} actually generates code
for these cases. for these cases.
Previously, @code{g77} treated these expressions Previously, @command{g77} treated these expressions
as denoting special ``pointer'' arguments as denoting special ``pointer'' arguments
for the purposes of filewide analysis. for the purposes of filewide analysis.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @code{g77} crash Fix @command{g77} crash
(or apparently infinite run-time) (or apparently infinite run-time)
when compiling certain complicated expressions when compiling certain complicated expressions
involving @code{COMPLEX} arithmetic involving @code{COMPLEX} arithmetic
...@@ -806,27 +806,27 @@ involving @code{COMPLEX} arithmetic ...@@ -806,27 +806,27 @@ involving @code{COMPLEX} arithmetic
@item @item
Align static double-precision variables and arrays Align static double-precision variables and arrays
on Intel x86 targets on Intel x86 targets
regardless of whether @samp{-malign-double} is specified. regardless of whether @option{-malign-double} is specified.
Generally, this affects only local variables and arrays Generally, this affects only local variables and arrays
having the @code{SAVE} attribute having the @code{SAVE} attribute
or given initial values via @code{DATA}. or given initial values via @code{DATA}.
@item @item
The @code{g77} driver now ensures that @samp{-lg2c} The @command{g77} driver now ensures that @option{-lg2c}
is specified in the link phase prior to any is specified in the link phase prior to any
occurrence of @samp{-lm}. occurrence of @option{-lm}.
This prevents accidentally linking to a routine This prevents accidentally linking to a routine
in the SunOS4 @samp{-lm} library in the SunOS4 @option{-lm} library
when the generated code wants to link to the one when the generated code wants to link to the one
in @code{libf2c} (@code{libg2c}). in @code{libf2c} (@code{libg2c}).
@item @item
@code{g77} emits more debugging information when @command{g77} emits more debugging information when
@samp{-g} is used. @option{-g} is used.
This new information allows, for example, This new information allows, for example,
@kbd{which __g77_length_a} to be used in @code{gdb} @kbd{which __g77_length_a} to be used in @command{gdb}
to determine the type of the phantom length argument to determine the type of the phantom length argument
supplied with @code{CHARACTER} variables. supplied with @code{CHARACTER} variables.
...@@ -873,54 +873,54 @@ for such information. ...@@ -873,54 +873,54 @@ for such information.
@itemize @bullet @itemize @bullet
@item @item
This release contains several regressions against This release contains several regressions against
version 0.5.22 of @code{g77}, due to using the version 0.5.22 of @command{g77}, due to using the
``vanilla'' @code{gcc} back end instead of patching ``vanilla'' @command{gcc} back end instead of patching
it to fix a few bugs and improve performance in a it to fix a few bugs and improve performance in a
few cases. few cases.
Features that have been dropped from this version Features that have been dropped from this version
of @code{g77} due to their being implemented of @command{g77} due to their being implemented
via @code{g77}-specific patches to the @code{gcc} via @command{g77}-specific patches to the @command{gcc}
back end in previous releases include: back end in previous releases include:
@itemize @minus @itemize @minus
@item @item
Support for @code{__restrict__} keyword, Support for @code{__restrict__} keyword,
the options @samp{-fargument-alias}, @samp{-fargument-noalias}, the options @option{-fargument-alias}, @option{-fargument-noalias},
and @samp{-fargument-noalias-global}, and @option{-fargument-noalias-global},
and the corresponding alias-analysis code. and the corresponding alias-analysis code.
(@code{egcs} has the alias-analysis (@code{egcs} has the alias-analysis
code, but not the @code{__restrict__} keyword. code, but not the @code{__restrict__} keyword.
@code{egcs} @code{g77} users benefit from the alias-analysis @code{egcs} @command{g77} users benefit from the alias-analysis
code despite the lack of the @code{__restrict__} keyword, code despite the lack of the @code{__restrict__} keyword,
which is a C-language construct.) which is a C-language construct.)
@item @item
Support for the GNU compiler options Support for the GNU compiler options
@samp{-fmove-all-movables}, @option{-fmove-all-movables},
@samp{-freduce-all-givs}, @option{-freduce-all-givs},
and @samp{-frerun-loop-opt}. and @option{-frerun-loop-opt}.
(@code{egcs} supports these options. (@code{egcs} supports these options.
@code{g77} users of @code{egcs} benefit from them even if @command{g77} users of @code{egcs} benefit from them even if
they are not explicitly specified, they are not explicitly specified,
because the defaults are optimized for @code{g77} users.) because the defaults are optimized for @command{g77} users.)
@item @item
Support for the @samp{-W} option warning about Support for the @option{-W} option warning about
integer division by zero. integer division by zero.
@item @item
The Intel x86-specific option @samp{-malign-double} The Intel x86-specific option @option{-malign-double}
applying to stack-allocated data applying to stack-allocated data
as well as statically-allocate data. as well as statically-allocate data.
@end itemize @end itemize
@ifclear USERVISONLY @ifclear USERVISONLY
Note that the @file{gcc/f/gbe/} subdirectory has been removed Note that the @file{gcc/f/gbe/} subdirectory has been removed
from this distribution as a result of @code{g77} no longer from this distribution as a result of @command{g77} no longer
including patches for the @code{gcc} back end. including patches for the @command{gcc} back end.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
...@@ -934,20 +934,20 @@ that overwrote their arguments. ...@@ -934,20 +934,20 @@ that overwrote their arguments.
@end ifclear @end ifclear
@item @item
Support @code{gcc} version 2.8, Support @command{gcc} version 2.8,
and remove support for prior versions of @code{gcc}. and remove support for prior versions of @command{gcc}.
@cindex -@w{}-driver option @cindex -@w{}-driver option
@cindex @code{g77} options, -@w{}-driver @cindex @command{g77} options, -@w{}-driver
@cindex options, -@w{}-driver @cindex options, -@w{}-driver
@item @item
Remove support for the @samp{--driver} option, Remove support for the @option{--driver} option,
as @code{g77} now does all the driving, as @command{g77} now does all the driving,
just like @code{gcc}. just like @command{gcc}.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{CASE DEFAULT} no longer crashes @code{g77}. @code{CASE DEFAULT} no longer crashes @command{g77}.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
...@@ -958,12 +958,12 @@ without explicitly giving it a type, ...@@ -958,12 +958,12 @@ without explicitly giving it a type,
and, in a subsequent program unit, and, in a subsequent program unit,
referencing that external as referencing that external as
an external function with a different type an external function with a different type
no longer crash @code{g77}. no longer crash @command{g77}.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{g77} no longer installs the @file{f77} command @command{g77} no longer installs the @file{f77} command
and @file{f77.1} man page and @file{f77.1} man page
in the @file{/usr} or @file{/usr/local} heirarchy, in the @file{/usr} or @file{/usr/local} heirarchy,
even if the @file{f77-install-ok} file exists even if the @file{f77-install-ok} file exists
...@@ -973,7 +973,7 @@ See the installation documentation for more information. ...@@ -973,7 +973,7 @@ See the installation documentation for more information.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{g77} no longer installs the @file{libf2c.a} library @command{g77} no longer installs the @file{libf2c.a} library
and @file{f2c.h} include file and @file{f2c.h} include file
in the @file{/usr} or @file{/usr/local} heirarchy, in the @file{/usr} or @file{/usr/local} heirarchy,
even if the @file{f2c-install-ok} or @file{f2c-exists-ok} files exist even if the @file{f2c-install-ok} or @file{f2c-exists-ok} files exist
...@@ -983,9 +983,9 @@ See the installation documentation for more information. ...@@ -983,9 +983,9 @@ See the installation documentation for more information.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
The @file{libf2c.a} library produced by @code{g77} has been The @file{libf2c.a} library produced by @command{g77} has been
renamed to @file{libg2c.a}. renamed to @file{libg2c.a}.
It is installed only in the @code{gcc} ``private'' It is installed only in the @command{gcc} ``private''
directory heirarchy, @file{gcc-lib}. directory heirarchy, @file{gcc-lib}.
This allows system administrators and users to choose which This allows system administrators and users to choose which
version of the @code{libf2c} library from @code{netlib} they version of the @code{libf2c} library from @code{netlib} they
...@@ -995,9 +995,9 @@ See the installation documentation for more information. ...@@ -995,9 +995,9 @@ See the installation documentation for more information.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
The @file{f2c.h} include (header) file produced by @code{g77} The @file{f2c.h} include (header) file produced by @command{g77}
has been renamed to @file{g2c.h}. has been renamed to @file{g2c.h}.
It is installed only in the @code{gcc} ``private'' It is installed only in the @command{gcc} ``private''
directory heirarchy, @file{gcc-lib}. directory heirarchy, @file{gcc-lib}.
This allows system administrators and users to choose which This allows system administrators and users to choose which
version of the include file from @code{netlib} they version of the include file from @code{netlib} they
...@@ -1006,20 +1006,20 @@ See the installation documentation for more information. ...@@ -1006,20 +1006,20 @@ See the installation documentation for more information.
@end ifclear @end ifclear
@item @item
The @code{g77} command now expects the run-time library The @command{g77} command now expects the run-time library
to be named @code{libg2c.a} instead of @code{libf2c.a}, to be named @code{libg2c.a} instead of @code{libf2c.a},
to ensure that a version other than the one built and to ensure that a version other than the one built and
installed as part of the same @code{g77} version is picked up. installed as part of the same @command{g77} version is picked up.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
The @samp{-Wunused} option no longer issues a spurious The @option{-Wunused} option no longer issues a spurious
warning about the ``master'' procedure generated by warning about the ``master'' procedure generated by
@code{g77} for procedures containing @code{ENTRY} statements. @command{g77} for procedures containing @code{ENTRY} statements.
@end ifclear @end ifclear
@item @item
@code{g77}'s version of @code{libf2c} separates out @command{g77}'s version of @code{libf2c} separates out
the setting of global state the setting of global state
(such as command-line arguments and signal handling) (such as command-line arguments and signal handling)
from @file{main.o} into distinct, new library from @file{main.o} into distinct, new library
...@@ -1033,7 +1033,7 @@ when @code{libf2c} (now @code{libg2c}) is a shared library. ...@@ -1033,7 +1033,7 @@ when @code{libf2c} (now @code{libg2c}) is a shared library.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
During the configuration and build process, During the configuration and build process,
@code{g77} creates subdirectories it needs only as it @command{g77} creates subdirectories it needs only as it
needs them, thus avoiding unnecessary creation of, for example, needs them, thus avoiding unnecessary creation of, for example,
@file{stage1/f/runtime} when doing a non-bootstrap build. @file{stage1/f/runtime} when doing a non-bootstrap build.
Other cleaning up of the configuration and build process Other cleaning up of the configuration and build process
...@@ -1043,7 +1043,7 @@ has been performed as well. ...@@ -1043,7 +1043,7 @@ has been performed as well.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{install-info} now used to update the directory of @code{install-info} now used to update the directory of
Info documentation to contain an entry for @code{g77} Info documentation to contain an entry for @command{g77}
(during installation). (during installation).
@end ifclear @end ifclear
...@@ -1090,7 +1090,7 @@ For example, @samp{DO 10 J=2,J} now is compiled correctly. ...@@ -1090,7 +1090,7 @@ For example, @samp{DO 10 J=2,J} now is compiled correctly.
@cindex -O2 @cindex -O2
@item @item
Fix a code-generation bug that afflicted Fix a code-generation bug that afflicted
Intel x86 targets when @samp{-O2} was specified Intel x86 targets when @option{-O2} was specified
compiling, for example, an old version of compiling, for example, an old version of
the @code{DNRM2} routine. the @code{DNRM2} routine.
...@@ -1118,7 +1118,7 @@ machines such as Alphas. ...@@ -1118,7 +1118,7 @@ machines such as Alphas.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @code{g77} version of @code{libf2c} so it no longer Fix @command{g77} version of @code{libf2c} so it no longer
produces a spurious @samp{I/O recursion} diagnostic at run time produces a spurious @samp{I/O recursion} diagnostic at run time
when an I/O operation (such as @samp{READ *,I}) is interrupted when an I/O operation (such as @samp{READ *,I}) is interrupted
in a manner that causes the program to be terminated in a manner that causes the program to be terminated
...@@ -1127,19 +1127,19 @@ via the @code{f_exit} routine (such as via @kbd{C-c}). ...@@ -1127,19 +1127,19 @@ via the @code{f_exit} routine (such as via @kbd{C-c}).
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @code{g77} crash triggered by @code{CASE} statement with Fix @command{g77} crash triggered by @code{CASE} statement with
an omitted lower or upper bound. an omitted lower or upper bound.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @code{g77} crash compiling references to @code{CPU_Time} Fix @command{g77} crash compiling references to @code{CPU_Time}
intrinsic. intrinsic.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @code{g77} crash Fix @command{g77} crash
(or apparently infinite run-time) (or apparently infinite run-time)
when compiling certain complicated expressions when compiling certain complicated expressions
involving @code{COMPLEX} arithmetic involving @code{COMPLEX} arithmetic
...@@ -1148,14 +1148,14 @@ involving @code{COMPLEX} arithmetic ...@@ -1148,14 +1148,14 @@ involving @code{COMPLEX} arithmetic
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @code{g77} crash on statements such as Fix @command{g77} crash on statements such as
@samp{PRINT *, (REAL(Z(I)),I=1,2)}, where @samp{PRINT *, (REAL(Z(I)),I=1,2)}, where
@samp{Z} is @code{DOUBLE COMPLEX}. @samp{Z} is @code{DOUBLE COMPLEX}.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix a @code{g++} crash. Fix a @command{g++} crash.
@end ifclear @end ifclear
@item @item
...@@ -1163,13 +1163,13 @@ Support @samp{FORMAT(I<@var{expr}>)} when @var{expr} is a ...@@ -1163,13 +1163,13 @@ Support @samp{FORMAT(I<@var{expr}>)} when @var{expr} is a
compile-time constant @code{INTEGER} expression. compile-time constant @code{INTEGER} expression.
@item @item
Fix @code{g77} @samp{-g} option so procedures that Fix @command{g77} @option{-g} option so procedures that
use @code{ENTRY} can be stepped through, line by line, use @code{ENTRY} can be stepped through, line by line,
in @code{gdb}. in @command{gdb}.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix a profiling-related bug in @code{gcc} back end for Fix a profiling-related bug in @command{gcc} back end for
Intel x86 architecture. Intel x86 architecture.
@end ifclear @end ifclear
...@@ -1188,7 +1188,7 @@ so that the @code{TMPDIR} environment variable, ...@@ -1188,7 +1188,7 @@ so that the @code{TMPDIR} environment variable,
if present, is used. if present, is used.
@item @item
Rename the @code{gcc} keyword @code{restrict} to Rename the @command{gcc} keyword @code{restrict} to
@code{__restrict__}, to avoid rejecting valid, existing, @code{__restrict__}, to avoid rejecting valid, existing,
C programs. C programs.
Support for @code{restrict} is now more like support Support for @code{restrict} is now more like support
...@@ -1196,19 +1196,19 @@ for @code{complex}. ...@@ -1196,19 +1196,19 @@ for @code{complex}.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @samp{-fpedantic} to not reject procedure invocations Fix @option{-fpedantic} to not reject procedure invocations
such as @samp{I=J()} and @samp{CALL FOO()}. such as @samp{I=J()} and @samp{CALL FOO()}.
@end ifclear @end ifclear
@item @item
Fix @samp{-fugly-comma} to affect invocations of Fix @option{-fugly-comma} to affect invocations of
only external procedures. only external procedures.
Restore rejection of gratuitous trailing omitted Restore rejection of gratuitous trailing omitted
arguments to intrinsics, as in @samp{I=MAX(3,4,,)}. arguments to intrinsics, as in @samp{I=MAX(3,4,,)}.
@item @item
Fix compiler so it accepts @samp{-fgnu-intrinsics-*} and Fix compiler so it accepts @option{-fgnu-intrinsics-*} and
@samp{-fbadu77-intrinsics-*} options. @option{-fbadu77-intrinsics-*} options.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
...@@ -1217,10 +1217,10 @@ so it is more likely that the printing of the ...@@ -1217,10 +1217,10 @@ so it is more likely that the printing of the
active format string is limited to the string, active format string is limited to the string,
with no trailing garbage being printed. with no trailing garbage being printed.
(Unlike @code{f2c}, @code{g77} did not append (Unlike @command{f2c}, @command{g77} did not append
a null byte to its compiled form of every a null byte to its compiled form of every
format string specified via a @code{FORMAT} statement. format string specified via a @code{FORMAT} statement.
However, @code{f2c} would exhibit the problem However, @command{f2c} would exhibit the problem
anyway for a statement like @samp{PRINT '(I)garbage', 1} anyway for a statement like @samp{PRINT '(I)garbage', 1}
by printing @samp{(I)garbage} as the format string.) by printing @samp{(I)garbage} as the format string.)
@end ifclear @end ifclear
...@@ -1268,13 +1268,13 @@ This fixes a formatted-I/O bug that afflicted ...@@ -1268,13 +1268,13 @@ This fixes a formatted-I/O bug that afflicted
@itemize @bullet @itemize @bullet
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @code{g77} crash triggered by @code{CASE} statement with Fix @command{g77} crash triggered by @code{CASE} statement with
an omitted lower or upper bound. an omitted lower or upper bound.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @code{g77} crash on statements such as Fix @command{g77} crash on statements such as
@samp{PRINT *, (REAL(Z(I)),I=1,2)}, where @samp{PRINT *, (REAL(Z(I)),I=1,2)}, where
@samp{Z} is @code{DOUBLE COMPLEX}. @samp{Z} is @code{DOUBLE COMPLEX}.
@end ifclear @end ifclear
...@@ -1285,28 +1285,28 @@ Fix @code{g77} crash on statements such as ...@@ -1285,28 +1285,28 @@ Fix @code{g77} crash on statements such as
@cindex -fPIC option @cindex -fPIC option
@cindex options, -fPIC @cindex options, -fPIC
@item @item
Fix @samp{-fPIC} (such as compiling for ELF targets) Fix @option{-fPIC} (such as compiling for ELF targets)
on the Intel x86 architecture target on the Intel x86 architecture target
so invalid assembler code is no longer produced. so invalid assembler code is no longer produced.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @samp{-fpedantic} to not reject procedure invocations Fix @option{-fpedantic} to not reject procedure invocations
such as @samp{I=J()} and @samp{CALL FOO()}. such as @samp{I=J()} and @samp{CALL FOO()}.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @samp{-fugly-comma} to affect invocations of Fix @option{-fugly-comma} to affect invocations of
only external procedures. only external procedures.
Restore rejection of gratuitous trailing omitted Restore rejection of gratuitous trailing omitted
arguments to intrinsics, as in @samp{I=MAX(3,4,,)}. arguments to intrinsics, as in @samp{I=MAX(3,4,,)}.
@end ifclear @end ifclear
@item @item
Fix compiler so it accepts @samp{-fgnu-intrinsics-*} and Fix compiler so it accepts @option{-fgnu-intrinsics-*} and
@samp{-fbadu77-intrinsics-*} options. @option{-fbadu77-intrinsics-*} options.
@end itemize @end itemize
@c 1998-01-06: EGCS 1.0.1 released. @c 1998-01-06: EGCS 1.0.1 released.
...@@ -1320,20 +1320,20 @@ machines such as Alphas. ...@@ -1320,20 +1320,20 @@ machines such as Alphas.
@end ifclear @end ifclear
@c 1997-12-03: EGCS 1.0 released. @c 1997-12-03: EGCS 1.0 released.
@heading In @code{EGCS} 1.0 versus @code{g77} 0.5.21: @heading In @code{EGCS} 1.0 versus @command{g77} 0.5.21:
@itemize @bullet @itemize @bullet
@item @item
Version 1.0 of @code{egcs} Version 1.0 of @code{egcs}
contains several regressions against contains several regressions against
version 0.5.21 of @code{g77}, version 0.5.21 of @command{g77},
due to using the due to using the
``vanilla'' @code{gcc} back end instead of patching ``vanilla'' @command{gcc} back end instead of patching
it to fix a few bugs and improve performance in a it to fix a few bugs and improve performance in a
few cases. few cases.
Features that have been dropped from this version Features that have been dropped from this version
of @code{g77} due to their being implemented of @command{g77} due to their being implemented
via @code{g77}-specific patches to the @code{gcc} via @command{g77}-specific patches to the @command{gcc}
back end in previous releases include: back end in previous releases include:
@itemize @minus @itemize @minus
...@@ -1341,20 +1341,20 @@ back end in previous releases include: ...@@ -1341,20 +1341,20 @@ back end in previous releases include:
Support for the C-language @code{restrict} keyword. Support for the C-language @code{restrict} keyword.
@item @item
Support for the @samp{-W} option warning about Support for the @option{-W} option warning about
integer division by zero. integer division by zero.
@item @item
The Intel x86-specific option @samp{-malign-double} The Intel x86-specific option @option{-malign-double}
applying to stack-allocated data applying to stack-allocated data
as well as statically-allocate data. as well as statically-allocate data.
@end itemize @end itemize
@ifclear USERVISONLY @ifclear USERVISONLY
Note that the @file{gcc/f/gbe/} subdirectory has been removed Note that the @file{gcc/f/gbe/} subdirectory has been removed
from this distribution as a result of @code{g77} from this distribution as a result of @command{g77}
being fully integrated with being fully integrated with
the @code{egcs} variant of the @code{gcc} back end. the @code{egcs} variant of the @command{gcc} back end.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
...@@ -1375,9 +1375,9 @@ results to integer values (on some systems). ...@@ -1375,9 +1375,9 @@ results to integer values (on some systems).
@item @item
@c Toon Moene discovered these. @c Toon Moene discovered these.
Some Fortran code, miscompiled Some Fortran code, miscompiled
by @code{g77} built on @code{gcc} version 2.8.1 by @command{g77} built on @command{gcc} version 2.8.1
on m68k-next-nextstep3 configurations on m68k-next-nextstep3 configurations
when using the @samp{-O2} option, when using the @option{-O2} option,
is now compiled correctly. is now compiled correctly.
It is believed that a C function known to miscompile It is believed that a C function known to miscompile
on that configuration on that configuration
...@@ -1387,16 +1387,16 @@ also is now compiled correctly. ...@@ -1387,16 +1387,16 @@ also is now compiled correctly.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Remove support for non-@code{egcs} versions of @code{gcc}. Remove support for non-@code{egcs} versions of @command{gcc}.
@end ifclear @end ifclear
@cindex -@w{}-driver option @cindex -@w{}-driver option
@cindex @code{g77} options, -@w{}-driver @cindex @command{g77} options, -@w{}-driver
@cindex options, -@w{}-driver @cindex options, -@w{}-driver
@item @item
Remove support for the @samp{--driver} option, Remove support for the @option{--driver} option,
as @code{g77} now does all the driving, as @command{g77} now does all the driving,
just like @code{gcc}. just like @command{gcc}.
@item @item
Allow any numeric argument to intrinsics Allow any numeric argument to intrinsics
...@@ -1409,7 +1409,7 @@ so it is more likely that the printing of the ...@@ -1409,7 +1409,7 @@ so it is more likely that the printing of the
active format string is limited to the string, active format string is limited to the string,
with no trailing garbage being printed. with no trailing garbage being printed.
(Unlike @code{f2c}, @code{g77} did not append (Unlike @command{f2c}, @command{g77} did not append
a null byte to its compiled form of every a null byte to its compiled form of every
format string specified via a @code{FORMAT} statement. format string specified via a @code{FORMAT} statement.
However, @code{f2c} would exhibit the problem However, @code{f2c} would exhibit the problem
...@@ -1433,9 +1433,9 @@ This fixes a formatted-I/O bug that afflicted ...@@ -1433,9 +1433,9 @@ This fixes a formatted-I/O bug that afflicted
@item @item
Fix a code-generation bug introduced by 0.5.20 Fix a code-generation bug introduced by 0.5.20
caused by loop unrolling (by specifying caused by loop unrolling (by specifying
@samp{-funroll-loops} or similar). @option{-funroll-loops} or similar).
This bug afflicted all code compiled by This bug afflicted all code compiled by
version 2.7.2.2.f.2 of @code{gcc} (C, C++, version 2.7.2.2.f.2 of @command{gcc} (C, C++,
Fortran, and so on). Fortran, and so on).
@end ifclear @end ifclear
...@@ -1446,7 +1446,7 @@ combining local @code{EQUIVALENCE} with a ...@@ -1446,7 +1446,7 @@ combining local @code{EQUIVALENCE} with a
@code{DATA} statement that follows @code{DATA} statement that follows
the first executable statement (or is the first executable statement (or is
treated as an executable-context statement treated as an executable-context statement
as a result of using the @samp{-fpedantic} as a result of using the @option{-fpedantic}
option). option).
@end ifclear @end ifclear
...@@ -1454,17 +1454,17 @@ option). ...@@ -1454,17 +1454,17 @@ option).
@item @item
Fix a compiler crash that occured when an Fix a compiler crash that occured when an
integer division by a constant zero is detected. integer division by a constant zero is detected.
Instead, when the @samp{-W} option is specified, Instead, when the @option{-W} option is specified,
the @code{gcc} back end issues a warning about such a case. the @command{gcc} back end issues a warning about such a case.
This bug afflicted all code compiled by This bug afflicted all code compiled by
version 2.7.2.2.f.2 of @code{gcc} (C, C++, version 2.7.2.2.f.2 of @command{gcc} (C, C++,
Fortran, and so on). Fortran, and so on).
@end ifclear @end ifclear
@ifset USERVISONLY @ifset USERVISONLY
@item @item
When the @samp{-W} option is specified, @code{gcc}, @code{g77}, When the @option{-W} option is specified, @command{gcc}, @command{g77},
and other GNU compilers that incorporate the @code{gcc} and other GNU compilers that incorporate the @command{gcc}
back end as modified by @code{g77}, issue back end as modified by @command{g77}, issue
a warning about integer division by constant zero. a warning about integer division by constant zero.
@end ifset @end ifset
...@@ -1506,17 +1506,17 @@ Such dual use of a name in a program is allowed by ...@@ -1506,17 +1506,17 @@ Such dual use of a name in a program is allowed by
the standard. the standard.
@end ifclear @end ifclear
@c @code{g77}'s version of @code{libf2c} has been modified @c @command{g77}'s version of @code{libf2c} has been modified
@c so that the external names of library's procedures do not @c so that the external names of library's procedures do not
@c conflict with names used for Fortran procedures compiled @c conflict with names used for Fortran procedures compiled
@c by @code{g77}. @c by @command{g77}.
@c An additional layer of jacket procedures has been added @c An additional layer of jacket procedures has been added
@c to @code{libf2c} to map the old names to the new names, @c to @code{libf2c} to map the old names to the new names,
@c for automatic use by programs that interface to the @c for automatic use by programs that interface to the
@c library procedures via the external-procedure mechanism. @c library procedures via the external-procedure mechanism.
@c @c
@c For example, the intrinsic @code{FPUTC} previously was @c For example, the intrinsic @code{FPUTC} previously was
@c implemented by @code{g77} as a call to the @code{libf2c} @c implemented by @command{g77} as a call to the @code{libf2c}
@c routine @code{fputc_}. @c routine @code{fputc_}.
@c This would conflict with a Fortran procedure named @code{FPUTC} @c This would conflict with a Fortran procedure named @code{FPUTC}
@c (using default compiler options), and this conflict @c (using default compiler options), and this conflict
...@@ -1534,20 +1534,20 @@ the standard. ...@@ -1534,20 +1534,20 @@ the standard.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Place automatic arrays on the stack, even if Place automatic arrays on the stack, even if
@code{SAVE} or the @samp{-fno-automatic} option @code{SAVE} or the @option{-fno-automatic} option
is in effect. is in effect.
This avoids a compiler crash in some cases. This avoids a compiler crash in some cases.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
The @samp{-malign-double} option now reliably aligns The @option{-malign-double} option now reliably aligns
@code{DOUBLE PRECISION} optimally on Pentium and @code{DOUBLE PRECISION} optimally on Pentium and
Pentium Pro architectures (586 and 686 in @code{gcc}). Pentium Pro architectures (586 and 686 in @command{gcc}).
@end ifclear @end ifclear
@item @item
New option @samp{-Wno-globals} disables warnings New option @option{-Wno-globals} disables warnings
about ``suspicious'' use of a name both as a global about ``suspicious'' use of a name both as a global
name and as the implicit name of an intrinsic, and name and as the implicit name of an intrinsic, and
warnings about disagreements over the number or natures of warnings about disagreements over the number or natures of
...@@ -1555,10 +1555,10 @@ arguments passed to global procedures, or the ...@@ -1555,10 +1555,10 @@ arguments passed to global procedures, or the
natures of the procedures themselves. natures of the procedures themselves.
The default is to issue such warnings, which are The default is to issue such warnings, which are
new as of this version of @code{g77}. new as of this version of @command{g77}.
@item @item
New option @samp{-fno-globals} disables diagnostics New option @option{-fno-globals} disables diagnostics
about potentially fatal disagreements about potentially fatal disagreements
analysis problems, such as disagreements over the analysis problems, such as disagreements over the
number or natures of arguments passed to global number or natures of arguments passed to global
...@@ -1567,7 +1567,7 @@ procedures, or the natures of those procedures themselves. ...@@ -1567,7 +1567,7 @@ procedures, or the natures of those procedures themselves.
The default is to issue such diagnostics and flag The default is to issue such diagnostics and flag
the compilation as unsuccessful. the compilation as unsuccessful.
With this option, the diagnostics are issued as With this option, the diagnostics are issued as
warnings, or, if @samp{-Wno-globals} is specified, warnings, or, if @option{-Wno-globals} is specified,
are not issued at all. are not issued at all.
This option also disables inlining of global procedures, This option also disables inlining of global procedures,
...@@ -1585,7 +1585,7 @@ This avoids a compiler crash. ...@@ -1585,7 +1585,7 @@ This avoids a compiler crash.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix parsing bug whereby @code{g77} rejected a Fix parsing bug whereby @command{g77} rejected a
second initialization specification immediately second initialization specification immediately
following the first's closing @samp{/} without following the first's closing @samp{/} without
an intervening comma in a @code{DATA} statement, an intervening comma in a @code{DATA} statement,
...@@ -1594,7 +1594,7 @@ and the second specification was an implied-DO list. ...@@ -1594,7 +1594,7 @@ and the second specification was an implied-DO list.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Improve performance of the @code{gcc} back end so Improve performance of the @command{gcc} back end so
certain complicated expressions involving @code{COMPLEX} certain complicated expressions involving @code{COMPLEX}
arithmetic (especially multiplication) don't appear to arithmetic (especially multiplication) don't appear to
take forever to compile. take forever to compile.
...@@ -1602,7 +1602,7 @@ take forever to compile. ...@@ -1602,7 +1602,7 @@ take forever to compile.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix a couple of profiling-related bugs in @code{gcc} Fix a couple of profiling-related bugs in @command{gcc}
back end. back end.
@end ifclear @end ifclear
...@@ -1615,8 +1615,8 @@ These fixes are circa version 3.10p of GNAT. ...@@ -1615,8 +1615,8 @@ These fixes are circa version 3.10p of GNAT.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Include some other @code{gcc} fixes that seem useful in Include some other @command{gcc} fixes that seem useful in
@code{g77}'s version of @code{gcc}. @command{g77}'s version of @command{gcc}.
(See @file{gcc/ChangeLog} for details---compare it (See @file{gcc/ChangeLog} for details---compare it
to that file in the vanilla @code{gcc-2.7.2.3.tar.gz} to that file in the vanilla @code{gcc-2.7.2.3.tar.gz}
distribution.) distribution.)
...@@ -1664,8 +1664,8 @@ Improve @code{libU77} so it is more portable. ...@@ -1664,8 +1664,8 @@ Improve @code{libU77} so it is more portable.
@end ifclear @end ifclear
@item @item
Add options @samp{-fbadu77-intrinsics-delete}, Add options @option{-fbadu77-intrinsics-delete},
@samp{-fbadu77-intrinsics-hide}, and so on. @option{-fbadu77-intrinsics-hide}, and so on.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
...@@ -1674,7 +1674,7 @@ Fix crashes involving diagnosed or invalid code. ...@@ -1674,7 +1674,7 @@ Fix crashes involving diagnosed or invalid code.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
@code{g77} and @code{gcc} now do a somewhat better @command{g77} and @command{gcc} now do a somewhat better
job detecting and diagnosing arrays that are too job detecting and diagnosing arrays that are too
large to handle before these cause diagnostics large to handle before these cause diagnostics
during the assembler or linker phase, a compiler during the assembler or linker phase, a compiler
...@@ -1688,33 +1688,33 @@ Make some fixes to alias analysis code. ...@@ -1688,33 +1688,33 @@ Make some fixes to alias analysis code.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Add support for @code{restrict} keyword in @code{gcc} Add support for @code{restrict} keyword in @command{gcc}
front end. front end.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Support @code{gcc} version 2.7.2.3 Support @command{gcc} version 2.7.2.3
(modified by @code{g77} into version 2.7.2.3.f.1), (modified by @command{g77} into version 2.7.2.3.f.1),
and remove and remove
support for prior versions of @code{gcc}. support for prior versions of @command{gcc}.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Incorporate GNAT's patches to the @code{gcc} back Incorporate GNAT's patches to the @command{gcc} back
end into @code{g77}'s, so GNAT users do not need end into @command{g77}'s, so GNAT users do not need
to apply GNAT's patches to build both GNAT and @code{g77} to apply GNAT's patches to build both GNAT and @command{g77}
from the same source tree. from the same source tree.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Modify @code{make} rules and related code so that Modify @command{make} rules and related code so that
generation of Info documentation doesn't require generation of Info documentation doesn't require
compilation using @code{gcc}. compilation using @command{gcc}.
Now, any ANSI C compiler should be adequate to Now, any ANSI C compiler should be adequate to
produce the @code{g77} documentation (in particular, produce the @command{g77} documentation (in particular,
the tables of intrinsics) from scratch. the tables of intrinsics) from scratch.
@end ifclear @end ifclear
...@@ -1739,12 +1739,12 @@ the type of an intrinsic invocation. ...@@ -1739,12 +1739,12 @@ the type of an intrinsic invocation.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Support @samp{*f771} entry in @code{gcc} @file{specs} file. Support @samp{*f771} entry in @command{gcc} @file{specs} file.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix typo in @code{make} rule @code{g77-cross}, used only for Fix typo in @command{make} rule @command{g77-cross}, used only for
cross-compiling. cross-compiling.
@end ifclear @end ifclear
...@@ -1756,27 +1756,27 @@ if previous attempt to archive was interrupted. ...@@ -1756,27 +1756,27 @@ if previous attempt to archive was interrupted.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Change @code{gcc} to unroll loops only during the last Change @command{gcc} to unroll loops only during the last
invocation (of as many as two invocations) of loop invocation (of as many as two invocations) of loop
optimization. optimization.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Improve handling of @samp{-fno-f2c} so that code that Improve handling of @option{-fno-f2c} so that code that
attempts to pass an intrinsic as an actual argument, attempts to pass an intrinsic as an actual argument,
such as @samp{CALL FOO(ABS)}, is rejected due to the fact such as @samp{CALL FOO(ABS)}, is rejected due to the fact
that the run-time-library routine is, effectively, that the run-time-library routine is, effectively,
compiled with @samp{-ff2c} in effect. compiled with @option{-ff2c} in effect.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @code{g77} driver to recognize @samp{-fsyntax-only} Fix @command{g77} driver to recognize @option{-fsyntax-only}
as an option that inhibits linking, just like @samp{-c} or as an option that inhibits linking, just like @option{-c} or
@samp{-S}, and to recognize and properly handle the @option{-S}, and to recognize and properly handle the
@samp{-nostdlib}, @samp{-M}, @samp{-MM}, @samp{-nodefaultlibs}, @option{-nostdlib}, @option{-M}, @option{-MM}, @option{-nodefaultlibs},
and @samp{-Xlinker} options. and @option{-Xlinker} options.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
...@@ -1791,17 +1791,17 @@ recursive I/O (at run time). ...@@ -1791,17 +1791,17 @@ recursive I/O (at run time).
@end ifclear @end ifclear
@item @item
@code{g77} driver now prints version information (such as produced @command{g77} driver now prints version information (such as produced
by @kbd{g77 -v}) to @code{stderr} instead of @code{stdout}. by @kbd{g77 -v}) to @code{stderr} instead of @code{stdout}.
@item @item
The @samp{.r} suffix now designates a Ratfor source file, The @samp{.r} suffix now designates a Ratfor source file,
to be preprocessed via the @code{ratfor} command, available to be preprocessed via the @command{ratfor} command, available
separately. separately.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix some aspects of how @code{gcc} determines what kind of Fix some aspects of how @command{gcc} determines what kind of
system is being configured and what kinds are supported. system is being configured and what kinds are supported.
For example, GNU Linux/Alpha ELF systems now are directly For example, GNU Linux/Alpha ELF systems now are directly
supported. supported.
...@@ -1821,7 +1821,7 @@ Improve documentation and indexing. ...@@ -1821,7 +1821,7 @@ Improve documentation and indexing.
@item @item
Include all pertinent files for @code{libf2c} that come Include all pertinent files for @code{libf2c} that come
from @code{netlib.bell-labs.com}; give any such files from @code{netlib.bell-labs.com}; give any such files
that aren't quite accurate in @code{g77}'s version of that aren't quite accurate in @command{g77}'s version of
@code{libf2c} the suffix @samp{.netlib}. @code{libf2c} the suffix @samp{.netlib}.
@end ifclear @end ifclear
...@@ -1835,32 +1835,32 @@ Reserve @code{INTEGER(KIND=0)} for future use. ...@@ -1835,32 +1835,32 @@ Reserve @code{INTEGER(KIND=0)} for future use.
@heading In 0.5.20: @heading In 0.5.20:
@itemize @bullet @itemize @bullet
@item @item
The @samp{-fno-typeless-boz} option is now the default. The @option{-fno-typeless-boz} option is now the default.
This option specifies that non-decimal-radix This option specifies that non-decimal-radix
constants using the prefixed-radix form (such as @samp{Z'1234'}) constants using the prefixed-radix form (such as @samp{Z'1234'})
are to be interpreted as @code{INTEGER(KIND=1)} constants. are to be interpreted as @code{INTEGER(KIND=1)} constants.
Specify @samp{-ftypeless-boz} to cause such Specify @option{-ftypeless-boz} to cause such
constants to be interpreted as typeless. constants to be interpreted as typeless.
(Version 0.5.19 introduced @samp{-fno-typeless-boz} and (Version 0.5.19 introduced @option{-fno-typeless-boz} and
its inverse.) its inverse.)
@ifset DOC-G77 @ifset DOC-G77
@xref{Fortran Dialect Options,,Options Controlling Fortran Dialect}, @xref{Fortran Dialect Options,,Options Controlling Fortran Dialect},
for information on the @samp{-ftypeless-boz} option. for information on the @option{-ftypeless-boz} option.
@end ifset @end ifset
@item @item
Options @samp{-ff90-intrinsics-enable} and Options @option{-ff90-intrinsics-enable} and
@samp{-fvxt-intrinsics-enable} now are the @option{-fvxt-intrinsics-enable} now are the
defaults. defaults.
Some programs might use names that clash with Some programs might use names that clash with
intrinsic names defined (and now enabled) by these intrinsic names defined (and now enabled) by these
options or by the new @code{libU77} intrinsics. options or by the new @code{libU77} intrinsics.
Users of such programs might need to compile them Users of such programs might need to compile them
differently (using, for example, @samp{-ff90-intrinsics-disable}) differently (using, for example, @option{-ff90-intrinsics-disable})
or, better yet, insert appropriate @code{EXTERNAL} or, better yet, insert appropriate @code{EXTERNAL}
statements specifying that these names are not intended statements specifying that these names are not intended
to be names of intrinsics. to be names of intrinsics.
...@@ -1873,7 +1873,7 @@ I/O performance, especially over NFS. ...@@ -1873,7 +1873,7 @@ I/O performance, especially over NFS.
@emph{Note:} If you have code that depends on the behavior @emph{Note:} If you have code that depends on the behavior
of @code{libf2c} when built with @code{ALWAYS_FLUSH} defined, of @code{libf2c} when built with @code{ALWAYS_FLUSH} defined,
you will have to modify @code{libf2c} accordingly before you will have to modify @code{libf2c} accordingly before
building it from this and future versions of @code{g77}. building it from this and future versions of @command{g77}.
@ifset DOC-G77 @ifset DOC-G77
@xref{Output Assumed To Flush}, for more information. @xref{Output Assumed To Flush}, for more information.
...@@ -1882,44 +1882,44 @@ building it from this and future versions of @code{g77}. ...@@ -1882,44 +1882,44 @@ building it from this and future versions of @code{g77}.
@item @item
Dave Love's implementation of @code{libU77} has been Dave Love's implementation of @code{libU77} has been
added to the version of @code{libf2c} distributed with added to the version of @code{libf2c} distributed with
and built as part of @code{g77}. and built as part of @command{g77}.
@code{g77} now knows about the routines in this library @command{g77} now knows about the routines in this library
as intrinsics. as intrinsics.
@item @item
New option @samp{-fvxt} specifies that the New option @option{-fvxt} specifies that the
source file is written in VXT Fortran, instead of GNU Fortran. source file is written in VXT Fortran, instead of GNU Fortran.
@ifset DOC-G77 @ifset DOC-G77
@xref{VXT Fortran}, for more information on the constructs @xref{VXT Fortran}, for more information on the constructs
recognized when the @samp{-fvxt} option is specified. recognized when the @option{-fvxt} option is specified.
@end ifset @end ifset
@item @item
The @samp{-fvxt-not-f90} option has been deleted, The @option{-fvxt-not-f90} option has been deleted,
along with its inverse, @samp{-ff90-not-vxt}. along with its inverse, @option{-ff90-not-vxt}.
If you used one of these deleted options, you should If you used one of these deleted options, you should
re-read the pertinent documentation to determine which re-read the pertinent documentation to determine which
options, if any, are appropriate for compiling your options, if any, are appropriate for compiling your
code with this version of @code{g77}. code with this version of @command{g77}.
@ifset DOC-G77 @ifset DOC-G77
@xref{Other Dialects}, for more information. @xref{Other Dialects}, for more information.
@end ifset @end ifset
@item @item
The @samp{-fugly} option now issues a warning, as it The @option{-fugly} option now issues a warning, as it
likely will be removed in a future version. likely will be removed in a future version.
(Enabling all the @samp{-fugly-*} options is unlikely (Enabling all the @option{-fugly-*} options is unlikely
to be feasible, or sensible, in the future, to be feasible, or sensible, in the future,
so users should learn to specify only those so users should learn to specify only those
@samp{-fugly-*} options they really need for a @option{-fugly-*} options they really need for a
particular source file.) particular source file.)
@item @item
The @samp{-fugly-assumed} option, introduced in The @option{-fugly-assumed} option, introduced in
version 0.5.19, has been changed to version 0.5.19, has been changed to
better accommodate old and new code. better accommodate old and new code.
...@@ -1929,11 +1929,11 @@ better accommodate old and new code. ...@@ -1929,11 +1929,11 @@ better accommodate old and new code.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Make a number of fixes to the @code{g77} front end and Make a number of fixes to the @command{g77} front end and
the @code{gcc} back end to better support Alpha (AXP) the @command{gcc} back end to better support Alpha (AXP)
machines. machines.
This includes providing at least one bug-fix to the This includes providing at least one bug-fix to the
@code{gcc} back end for Alphas. @command{gcc} back end for Alphas.
@end ifclear @end ifclear
@item @item
...@@ -1954,34 +1954,34 @@ instead of the more common @code{INTEGER(KIND=1)} ...@@ -1954,34 +1954,34 @@ instead of the more common @code{INTEGER(KIND=1)}
(often referred to as @code{INTEGER*4}). (often referred to as @code{INTEGER*4}).
@item @item
Emulate @code{COMPLEX} arithmetic in the @code{g77} front Emulate @code{COMPLEX} arithmetic in the @command{g77} front
end, to avoid bugs in @code{complex} support in the end, to avoid bugs in @code{complex} support in the
@code{gcc} back end. @command{gcc} back end.
New option @samp{-fno-emulate-complex} New option @option{-fno-emulate-complex}
causes @code{g77} to revert the 0.5.19 behavior. causes @command{g77} to revert the 0.5.19 behavior.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix bug whereby @samp{REAL A(1)}, for example, caused Fix bug whereby @samp{REAL A(1)}, for example, caused
a compiler crash if @samp{-fugly-assumed} was in effect a compiler crash if @option{-fugly-assumed} was in effect
and @var{A} was a local (automatic) array. and @var{A} was a local (automatic) array.
That case is no longer affected by the new That case is no longer affected by the new
handling of @samp{-fugly-assumed}. handling of @option{-fugly-assumed}.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Fix @code{g77} command driver so that @samp{g77 -o foo.f} Fix @command{g77} command driver so that @samp{g77 -o foo.f}
no longer deletes @file{foo.f} before issuing other no longer deletes @file{foo.f} before issuing other
diagnostics, and so the @samp{-x} option is properly diagnostics, and so the @option{-x} option is properly
handled. handled.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Enable inlining of subroutines and functions by the @code{gcc} Enable inlining of subroutines and functions by the @command{gcc}
back end. back end.
This works as it does for @code{gcc} itself---program units This works as it does for @command{gcc} itself---program units
may be inlined for invocations that follow them in the same may be inlined for invocations that follow them in the same
program unit, as long as the appropriate compile-time program unit, as long as the appropriate compile-time
options are specified. options are specified.
...@@ -1995,18 +1995,18 @@ these are defined (assigned to) by Fortran code. ...@@ -1995,18 +1995,18 @@ these are defined (assigned to) by Fortran code.
This can result in faster and/or smaller programs when This can result in faster and/or smaller programs when
compiling with optimization enabled, though on some compiling with optimization enabled, though on some
systems this effect is observed only when @samp{-fforce-addr} systems this effect is observed only when @option{-fforce-addr}
also is specified. also is specified.
New options @samp{-falias-check}, @samp{-fargument-alias}, New options @option{-falias-check}, @option{-fargument-alias},
@samp{-fargument-noalias}, @option{-fargument-noalias},
and @samp{-fno-argument-noalias-global} control the and @option{-fno-argument-noalias-global} control the
way @code{g77} handles potential aliasing. way @command{g77} handles potential aliasing.
@ifset DOC-G77 @ifset DOC-G77
@xref{Aliasing Assumed To Work}, for detailed information on why the @xref{Aliasing Assumed To Work}, for detailed information on why the
new defaults might result in some programs no longer working the way they new defaults might result in some programs no longer working the way they
did when compiled by previous versions of @code{g77}. did when compiled by previous versions of @command{g77}.
@end ifset @end ifset
@ifclear USERVISONLY @ifclear USERVISONLY
...@@ -2018,7 +2018,7 @@ are compiled in-line. ...@@ -2018,7 +2018,7 @@ are compiled in-line.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
The bug-fix for 0.5.19.1 has been re-done. The bug-fix for 0.5.19.1 has been re-done.
The @code{g77} compiler has been changed back to The @command{g77} compiler has been changed back to
assume @code{libf2c} has no aliasing problems in assume @code{libf2c} has no aliasing problems in
its implementations of the @code{COMPLEX} (and its implementations of the @code{COMPLEX} (and
@code{DOUBLE COMPLEX}) intrinsics. @code{DOUBLE COMPLEX}) intrinsics.
...@@ -2031,7 +2031,7 @@ or all cases, due to this change alone. ...@@ -2031,7 +2031,7 @@ or all cases, due to this change alone.
@emph{Note:} This change requires version 0.5.20 of @emph{Note:} This change requires version 0.5.20 of
@code{libf2c}, at least, when linking code produced @code{libf2c}, at least, when linking code produced
by any versions of @code{g77} other than 0.5.19.1. by any versions of @command{g77} other than 0.5.19.1.
Use @samp{g77 -v} to determine the version numbers Use @samp{g77 -v} to determine the version numbers
of the @code{libF77}, @code{libI77}, and @code{libU77} of the @code{libF77}, @code{libI77}, and @code{libU77}
components of the @code{libf2c} library. components of the @code{libf2c} library.
...@@ -2043,11 +2043,11 @@ version of @code{libf2c}.) ...@@ -2043,11 +2043,11 @@ version of @code{libf2c}.)
@end ifclear @end ifclear
@item @item
New option @samp{-fugly-assign} specifies that the New option @option{-fugly-assign} specifies that the
same memory locations are to be used to hold the same memory locations are to be used to hold the
values assigned by both statements @samp{I = 3} and values assigned by both statements @samp{I = 3} and
@samp{ASSIGN 10 TO I}, for example. @samp{ASSIGN 10 TO I}, for example.
(Normally, @code{g77} uses a separate memory location (Normally, @command{g77} uses a separate memory location
to hold assigned statement labels.) to hold assigned statement labels.)
@ifset DOC-G77 @ifset DOC-G77
...@@ -2074,7 +2074,7 @@ Fix crashes involving diagnosed or invalid code. ...@@ -2074,7 +2074,7 @@ Fix crashes involving diagnosed or invalid code.
Change approach to building @code{libf2c} archive Change approach to building @code{libf2c} archive
(@file{libf2c.a}) so that members are added to it (@file{libf2c.a}) so that members are added to it
only when truly necessary, so the user that installs only when truly necessary, so the user that installs
an already-built @code{g77} doesn't need to have write an already-built @command{g77} doesn't need to have write
access to the build tree (whereas the user doing the access to the build tree (whereas the user doing the
build might not have access to install new software build might not have access to install new software
on the system). on the system).
...@@ -2082,10 +2082,10 @@ on the system). ...@@ -2082,10 +2082,10 @@ on the system).
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Support @code{gcc} version 2.7.2.2 Support @command{gcc} version 2.7.2.2
(modified by @code{g77} into version 2.7.2.2.f.2), (modified by @command{g77} into version 2.7.2.2.f.2),
and remove and remove
support for prior versions of @code{gcc}. support for prior versions of @command{gcc}.
@end ifclear @end ifclear
@ifclear USERVISONLY @ifclear USERVISONLY
...@@ -2096,7 +2096,7 @@ fix up some of the build procedures. ...@@ -2096,7 +2096,7 @@ fix up some of the build procedures.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
Improve general build procedures for @code{g77}, Improve general build procedures for @command{g77},
fixing minor bugs (such as deletion of any file fixing minor bugs (such as deletion of any file
named @file{f771} in the parent directory of @code{gcc/}). named @file{f771} in the parent directory of @code{gcc/}).
@end ifclear @end ifclear
...@@ -2105,13 +2105,13 @@ named @file{f771} in the parent directory of @code{gcc/}). ...@@ -2105,13 +2105,13 @@ named @file{f771} in the parent directory of @code{gcc/}).
Enable full support of @code{INTEGER(KIND=2)} Enable full support of @code{INTEGER(KIND=2)}
(often referred to as @code{INTEGER*8}) (often referred to as @code{INTEGER*8})
available in available in
@code{libf2c} and @file{f2c.h} so that @code{f2c} users @code{libf2c} and @file{f2c.h} so that @command{f2c} users
may make full use of its features via the @code{g77} may make full use of its features via the @command{g77}
version of @file{f2c.h} and the @code{INTEGER(KIND=2)} version of @file{f2c.h} and the @code{INTEGER(KIND=2)}
support routines in the @code{g77} version of @code{libf2c}. support routines in the @command{g77} version of @code{libf2c}.
@item @item
Improve @code{g77} driver and @code{libf2c} so that @samp{g77 -v} Improve @command{g77} driver and @code{libf2c} so that @samp{g77 -v}
yields version information on the library. yields version information on the library.
@item @item
...@@ -2136,9 +2136,9 @@ Complain about industry-wide ambiguous references ...@@ -2136,9 +2136,9 @@ Complain about industry-wide ambiguous references
@samp{REAL(@var{expr})} and @samp{AIMAG(@var{expr})}, @samp{REAL(@var{expr})} and @samp{AIMAG(@var{expr})},
where @var{expr} is @code{DOUBLE COMPLEX} (or any where @var{expr} is @code{DOUBLE COMPLEX} (or any
complex type other than @code{COMPLEX}), unless complex type other than @code{COMPLEX}), unless
@samp{-ff90} option specifies Fortran 90 interpretation @option{-ff90} option specifies Fortran 90 interpretation
or new @samp{-fugly-complex} option, in conjunction with or new @option{-fugly-complex} option, in conjunction with
@samp{-fnot-f90}, specifies @code{f2c} interpretation. @option{-fnot-f90}, specifies @command{f2c} interpretation.
@ifclear USERVISONLY @ifclear USERVISONLY
@item @item
...@@ -2214,38 +2214,38 @@ A temporary kludge option provides bare-bones information on ...@@ -2214,38 +2214,38 @@ A temporary kludge option provides bare-bones information on
@code{COMMON} and @code{EQUIVALENCE} members at debug time. @code{COMMON} and @code{EQUIVALENCE} members at debug time.
@item @item
New @samp{-fonetrip} option specifies FORTRAN-66-style New @option{-fonetrip} option specifies FORTRAN-66-style
one-trip @code{DO} loops. one-trip @code{DO} loops.
@item @item
New @samp{-fno-silent} option causes names of program units New @option{-fno-silent} option causes names of program units
to be printed as they are compiled, in a fashion similar to to be printed as they are compiled, in a fashion similar to
UNIX @code{f77} and @code{f2c}. UNIX @command{f77} and @command{f2c}.
@item @item
New @samp{-fugly-assumed} option specifies that arrays New @option{-fugly-assumed} option specifies that arrays
dimensioned via @samp{DIMENSION X(1)}, for example, are to be dimensioned via @samp{DIMENSION X(1)}, for example, are to be
treated as assumed-size. treated as assumed-size.
@item @item
New @samp{-fno-typeless-boz} option specifies that non-decimal-radix New @option{-fno-typeless-boz} option specifies that non-decimal-radix
constants using the prefixed-radix form (such as @samp{Z'1234'}) constants using the prefixed-radix form (such as @samp{Z'1234'})
are to be interpreted as @code{INTEGER} constants. are to be interpreted as @code{INTEGER} constants.
@item @item
New @samp{-ff66} option is a ``shorthand'' option that specifies New @option{-ff66} option is a ``shorthand'' option that specifies
behaviors considered appropriate for FORTRAN 66 programs. behaviors considered appropriate for FORTRAN 66 programs.
@item @item
New @samp{-ff77} option is a ``shorthand'' option that specifies New @option{-ff77} option is a ``shorthand'' option that specifies
behaviors considered appropriate for UNIX @code{f77} programs. behaviors considered appropriate for UNIX @command{f77} programs.
@item @item
New @samp{-fugly-comma} and @samp{-fugly-logint} options provided New @option{-fugly-comma} and @option{-fugly-logint} options provided
to perform some of what @samp{-fugly} used to do. to perform some of what @option{-fugly} used to do.
@samp{-fugly} and @samp{-fno-ugly} are now ``shorthand'' options, @option{-fugly} and @option{-fno-ugly} are now ``shorthand'' options,
in that they do nothing more than enable (or disable) other in that they do nothing more than enable (or disable) other
@samp{-fugly-*} options. @option{-fugly-*} options.
@item @item
Fix parsing of assignment statements involving targets that Fix parsing of assignment statements involving targets that
...@@ -2262,7 +2262,7 @@ of valid Fortran programs are not misdiagnosed as improperly ...@@ -2262,7 +2262,7 @@ of valid Fortran programs are not misdiagnosed as improperly
extending the area backwards. extending the area backwards.
@item @item
Support @code{gcc} version 2.7.2.1. Support @command{gcc} version 2.7.2.1.
@item @item
Upgrade to @code{libf2c} as of 1996-09-26, and Upgrade to @code{libf2c} as of 1996-09-26, and
...@@ -2289,23 +2289,23 @@ Modify @code{fseek_()} in @code{libf2c} to be more portable ...@@ -2289,23 +2289,23 @@ Modify @code{fseek_()} in @code{libf2c} to be more portable
matters) and to catch invalid @code{whence} arguments. matters) and to catch invalid @code{whence} arguments.
@item @item
Some useless warnings from the @samp{-Wunused} option have Some useless warnings from the @option{-Wunused} option have
been eliminated. been eliminated.
@item @item
Fix a problem building the @file{f771} executable Fix a problem building the @file{f771} executable
on AIX systems by linking with the @samp{-bbigtoc} option. on AIX systems by linking with the @option{-bbigtoc} option.
@item @item
Abort configuration if @code{gcc} has not been patched Abort configuration if @command{gcc} has not been patched
using the patch file provided in the @file{gcc/f/gbe/} using the patch file provided in the @file{gcc/f/gbe/}
subdirectory. subdirectory.
@item @item
Add options @samp{--help} and @samp{--version} to the Add options @option{--help} and @option{--version} to the
@code{g77} command, to conform to GNU coding guidelines. @command{g77} command, to conform to GNU coding guidelines.
Also add printing of @code{g77} version number when Also add printing of @command{g77} version number when
the @samp{--verbose} (@samp{-v}) option is used. the @option{--verbose} (@option{-v}) option is used.
@item @item
Change internally generated name for local @code{EQUIVALENCE} Change internally generated name for local @code{EQUIVALENCE}
...@@ -2324,7 +2324,7 @@ Improvements to documentation and indexing. ...@@ -2324,7 +2324,7 @@ Improvements to documentation and indexing.
Add some rudimentary support for @code{INTEGER*1}, Add some rudimentary support for @code{INTEGER*1},
@code{INTEGER*2}, @code{INTEGER*8}, @code{INTEGER*2}, @code{INTEGER*8},
and their @code{LOGICAL} equivalents. and their @code{LOGICAL} equivalents.
(This support works on most, maybe all, @code{gcc} targets.) (This support works on most, maybe all, @command{gcc} targets.)
Thanks to Scott Snyder (@email{snyder@@d0sgif.fnal.gov}) Thanks to Scott Snyder (@email{snyder@@d0sgif.fnal.gov})
for providing the patch for this! for providing the patch for this!
...@@ -2367,18 +2367,18 @@ in some cases significantly (though, again, this ...@@ -2367,18 +2367,18 @@ in some cases significantly (though, again, this
is only a subset of the general problem to be is only a subset of the general problem to be
addressed in 0.6). addressed in 0.6).
A new option, @samp{-fzeros}, is introduced to A new option, @option{-fzeros}, is introduced to
enable the traditional treatment of zeros as any enable the traditional treatment of zeros as any
other value. other value.
@item @item
With @samp{-ff90} in force, @code{g77} incorrectly With @option{-ff90} in force, @command{g77} incorrectly
interpreted @samp{REAL(Z)} as returning a @code{REAL} interpreted @samp{REAL(Z)} as returning a @code{REAL}
result, instead of as a @code{DOUBLE PRECISION} result, instead of as a @code{DOUBLE PRECISION}
result. result.
(Here, @samp{Z} is @code{DOUBLE COMPLEX}.) (Here, @samp{Z} is @code{DOUBLE COMPLEX}.)
With @samp{-fno-f90} in force, the interpretation remains With @option{-fno-f90} in force, the interpretation remains
unchanged, since this appears to be how at least some unchanged, since this appears to be how at least some
F77 code using the @code{DOUBLE COMPLEX} extension expected F77 code using the @code{DOUBLE COMPLEX} extension expected
it to work. it to work.
...@@ -2413,9 +2413,9 @@ triggered in a long time. ...@@ -2413,9 +2413,9 @@ triggered in a long time.
@item @item
Introduce three new options that Introduce three new options that
implement optimizations in the @code{gcc} back end (GBE). implement optimizations in the @command{gcc} back end (GBE).
These options are @samp{-fmove-all-movables}, @samp{-freduce-all-givs}, These options are @option{-fmove-all-movables}, @option{-freduce-all-givs},
and @samp{-frerun-loop-opt}, which are enabled, by default, and @option{-frerun-loop-opt}, which are enabled, by default,
for Fortran compilations. for Fortran compilations.
These optimizations are intended to help toon Fortran programs. These optimizations are intended to help toon Fortran programs.
...@@ -2424,19 +2424,19 @@ Patch the GBE to do a better job optimizing certain ...@@ -2424,19 +2424,19 @@ Patch the GBE to do a better job optimizing certain
kinds of references to array elements. kinds of references to array elements.
@item @item
Due to patches to the GBE, the version number of @code{gcc} Due to patches to the GBE, the version number of @command{gcc}
also is patched to make it easier to manage installations, also is patched to make it easier to manage installations,
especially useful if it turns out a @code{g77} change to the especially useful if it turns out a @command{g77} change to the
GBE has a bug. GBE has a bug.
The @code{g77}-modified version number is the @code{gcc} The @command{g77}-modified version number is the @command{gcc}
version number with the string @samp{.f.@var{n}} appended, version number with the string @samp{.f.@var{n}} appended,
where @samp{f} identifies the version as enhanced for where @samp{f} identifies the version as enhanced for
Fortran, and @var{n} is @samp{1} for the first Fortran Fortran, and @var{n} is @samp{1} for the first Fortran
patch for that version of @code{gcc}, @samp{2} for the patch for that version of @command{gcc}, @samp{2} for the
second, and so on. second, and so on.
So, this introduces version 2.7.2.f.1 of @code{gcc}. So, this introduces version 2.7.2.f.1 of @command{gcc}.
@item @item
Make several improvements and fixes to diagnostics, including Make several improvements and fixes to diagnostics, including
...@@ -2444,21 +2444,21 @@ the removal of two that were inappropriate or inadequate. ...@@ -2444,21 +2444,21 @@ the removal of two that were inappropriate or inadequate.
@item @item
Warning about two successive arithmetic operators, produced Warning about two successive arithmetic operators, produced
by @samp{-Wsurprising}, now produced @emph{only} when both by @option{-Wsurprising}, now produced @emph{only} when both
operators are, indeed, arithmetic (not relational/boolean). operators are, indeed, arithmetic (not relational/boolean).
@item @item
@samp{-Wsurprising} now warns about the remaining cases @option{-Wsurprising} now warns about the remaining cases
of using non-integral variables for implied-@code{DO} of using non-integral variables for implied-@code{DO}
loops, instead of these being rejected unless @samp{-fpedantic} loops, instead of these being rejected unless @option{-fpedantic}
or @samp{-fugly} specified. or @option{-fugly} specified.
@item @item
Allow @code{SAVE} of a local variable or array, even after Allow @code{SAVE} of a local variable or array, even after
it has been given an initial value via @code{DATA}, for example. it has been given an initial value via @code{DATA}, for example.
@item @item
Introduce an Info version of @code{g77} documentation, which Introduce an Info version of @command{g77} documentation, which
supercedes @file{gcc/f/CREDITS}, @file{gcc/f/DOC}, and supercedes @file{gcc/f/CREDITS}, @file{gcc/f/DOC}, and
@file{gcc/f/PROJECTS}. @file{gcc/f/PROJECTS}.
These files will be removed in a future release. These files will be removed in a future release.
...@@ -2471,8 +2471,8 @@ This effort was inspired by a first pass at translating ...@@ -2471,8 +2471,8 @@ This effort was inspired by a first pass at translating
David Ronis (@email{ronis@@onsager.chem.mcgill.ca}). David Ronis (@email{ronis@@onsager.chem.mcgill.ca}).
@item @item
New @samp{-fno-second-underscore} option to specify New @option{-fno-second-underscore} option to specify
that, when @samp{-funderscoring} is in effect, a second that, when @option{-funderscoring} is in effect, a second
underscore is not to be appended to Fortran names already underscore is not to be appended to Fortran names already
containing an underscore. containing an underscore.
...@@ -2486,20 +2486,20 @@ the result of the calculation is always converted to ...@@ -2486,20 +2486,20 @@ the result of the calculation is always converted to
the default @code{INTEGER} type. the default @code{INTEGER} type.
(This should have no effect on existing code compiled (This should have no effect on existing code compiled
by @code{g77}, but code written to assume that use by @command{g77}, but code written to assume that use
of a @emph{wider} type for the @code{DO} variable of a @emph{wider} type for the @code{DO} variable
will result in an iteration count being fully calculated will result in an iteration count being fully calculated
using that wider type (wider using that wider type (wider
than default @code{INTEGER}) must be rewritten.) than default @code{INTEGER}) must be rewritten.)
@item @item
Support @code{gcc} version 2.7.2. Support @command{gcc} version 2.7.2.
@item @item
Upgrade to @code{libf2c} as of 1996-03-23, and Upgrade to @code{libf2c} as of 1996-03-23, and
fix up some of the build procedures. fix up some of the build procedures.
Note that the email addresses related to @code{f2c} Note that the email addresses related to @command{f2c}
have changed---the distribution site now is have changed---the distribution site now is
named @code{netlib.bell-labs.com}, and the named @code{netlib.bell-labs.com}, and the
maintainer's new address is @email{dmg@@bell-labs.com}. maintainer's new address is @email{dmg@@bell-labs.com}.
...@@ -2526,8 +2526,8 @@ various applications and programs exhibiting sudden, strange ...@@ -2526,8 +2526,8 @@ various applications and programs exhibiting sudden, strange
behaviors. behaviors.
I sincerely apologize for not realizing the I sincerely apologize for not realizing the
implications of the fact that when @samp{g77 -v} runs the @code{ld} command implications of the fact that when @samp{g77 -v} runs the @command{ld} command
with @samp{-o /dev/null} that @code{ld} tries to @emph{remove} the executable with @samp{-o /dev/null} that @command{ld} tries to @emph{remove} the executable
it is supposed to build (especially if it reports unresolved it is supposed to build (especially if it reports unresolved
references, which it should in this case)! references, which it should in this case)!
...@@ -2549,10 +2549,10 @@ never happen). ...@@ -2549,10 +2549,10 @@ never happen).
@item @item
Make @code{libf2c} build procedures work on more systems again by Make @code{libf2c} build procedures work on more systems again by
eliminating unnecessary invocations of @samp{ld -r -x} and @code{mv}. eliminating unnecessary invocations of @samp{ld -r -x} and @command{mv}.
@item @item
Fix omission of @samp{-funix-intrinsics-@dots{}} options in list of permitted Fix omission of @option{-funix-intrinsics-@dots{}} options in list of permitted
options to compiler. options to compiler.
@item @item
...@@ -2566,12 +2566,12 @@ in the back end) involving exponentiation with a large @code{INTEGER} ...@@ -2566,12 +2566,12 @@ in the back end) involving exponentiation with a large @code{INTEGER}
constant for the right-hand operator (e.g. @samp{I**32767}). constant for the right-hand operator (e.g. @samp{I**32767}).
@item @item
Fix build procedures so cross-compiling @code{g77} (the @code{fini} Fix build procedures so cross-compiling @command{g77} (the @command{fini}
utility in particular) is properly built using the host compiler. utility in particular) is properly built using the host compiler.
@item @item
Add new @samp{-Wsurprising} option to warn about constructs that are Add new @option{-Wsurprising} option to warn about constructs that are
interpreted by the Fortran standard (and @code{g77}) in ways that interpreted by the Fortran standard (and @command{g77}) in ways that
are surprising to many programmers. are surprising to many programmers.
@item @item
...@@ -2582,12 +2582,12 @@ Add @code{ERF()} and @code{ERFC()} as generic intrinsics mapping to existing ...@@ -2582,12 +2582,12 @@ Add @code{ERF()} and @code{ERFC()} as generic intrinsics mapping to existing
specify @samp{INTRINSIC ERF,ERFC} in any code where you might use specify @samp{INTRINSIC ERF,ERFC} in any code where you might use
these as generic intrinsics, to improve likelihood of diagnostics these as generic intrinsics, to improve likelihood of diagnostics
(instead of subtle run-time bugs) when using a compiler that (instead of subtle run-time bugs) when using a compiler that
doesn't support these as intrinsics (e.g. @code{f2c}). doesn't support these as intrinsics (e.g. @command{f2c}).
@item @item
Remove from @samp{-fno-pedantic} the diagnostic about @code{DO} Remove from @option{-fno-pedantic} the diagnostic about @code{DO}
with non-@code{INTEGER} index variable; issue that under with non-@code{INTEGER} index variable; issue that under
@samp{-Wsurprising} instead. @option{-Wsurprising} instead.
@item @item
Clarify some diagnostics that say things like ``ignored'' when that's Clarify some diagnostics that say things like ``ignored'' when that's
...@@ -2606,7 +2606,7 @@ Minor improvement to code generation for some @code{DO} loops on some ...@@ -2606,7 +2606,7 @@ Minor improvement to code generation for some @code{DO} loops on some
machines. machines.
@item @item
Support @code{gcc} version 2.7.1. Support @command{gcc} version 2.7.1.
@item @item
Upgrade to @code{libf2c} as of 1995-11-15. Upgrade to @code{libf2c} as of 1995-11-15.
...@@ -2621,14 +2621,14 @@ not involving @code{COMMON}. ...@@ -2621,14 +2621,14 @@ not involving @code{COMMON}.
@item @item
Fix code-generation bugs involving invoking ``gratis'' library procedures Fix code-generation bugs involving invoking ``gratis'' library procedures
in @code{libf2c} from code compiled with @samp{-fno-f2c} by making these in @code{libf2c} from code compiled with @option{-fno-f2c} by making these
procedures known to @code{g77} as intrinsics (not affected by -fno-f2c). procedures known to @command{g77} as intrinsics (not affected by -fno-f2c).
This is known to fix code invoking @code{ERF()}, @code{ERFC()}, This is known to fix code invoking @code{ERF()}, @code{ERFC()},
@code{DERF()}, and @code{DERFC()}. @code{DERF()}, and @code{DERFC()}.
@item @item
Update @code{libf2c} to include netlib patches through 1995-08-16, and Update @code{libf2c} to include netlib patches through 1995-08-16, and
@code{#define} @code{WANT_LEAD_0} to 1 to make @code{g77}-compiled code more @code{#define} @code{WANT_LEAD_0} to 1 to make @command{g77}-compiled code more
consistent with other Fortran implementations by outputting consistent with other Fortran implementations by outputting
leading zeros in formatted and list-directed output. leading zeros in formatted and list-directed output.
...@@ -2636,7 +2636,7 @@ leading zeros in formatted and list-directed output. ...@@ -2636,7 +2636,7 @@ leading zeros in formatted and list-directed output.
Fix a code-generation bug involving adjustable dummy arrays with high Fix a code-generation bug involving adjustable dummy arrays with high
bounds whose primaries are changed during procedure execution, and bounds whose primaries are changed during procedure execution, and
which might well improve code-generation performance for such arrays which might well improve code-generation performance for such arrays
compared to @code{f2c} plus @code{gcc} (but apparently only when using compared to @command{f2c} plus @command{gcc} (but apparently only when using
@file{gcc-2.7.0} or later). @file{gcc-2.7.0} or later).
@item @item
...@@ -2649,8 +2649,8 @@ that overlaps one or more of the arguments to the invocation or divide. ...@@ -2649,8 +2649,8 @@ that overlaps one or more of the arguments to the invocation or divide.
@item @item
Fix crash by not generating new optimal code for @samp{X**I} if @samp{I} is Fix crash by not generating new optimal code for @samp{X**I} if @samp{I} is
nonconstant and the expression is used to dimension a dummy nonconstant and the expression is used to dimension a dummy
array, since the @code{gcc} back end does not support the necessary array, since the @command{gcc} back end does not support the necessary
mechanics (and the @code{gcc} front end rejects the equivalent mechanics (and the @command{gcc} front end rejects the equivalent
construct, as it turns out). construct, as it turns out).
@item @item
...@@ -2677,25 +2677,25 @@ area when any member of area has initial value (via @code{DATA}, ...@@ -2677,25 +2677,25 @@ area when any member of area has initial value (via @code{DATA},
for example). for example).
@item @item
Fix installation bug that prevented installation of @code{g77} driver. Fix installation bug that prevented installation of @command{g77} driver.
Provide for easy selection of whether to install copy of @code{g77} Provide for easy selection of whether to install copy of @command{g77}
as @code{f77} to replace the broken code. as @command{f77} to replace the broken code.
@item @item
Fix @code{gcc} driver (affects @code{g77} thereby) to not Fix @command{gcc} driver (affects @command{g77} thereby) to not
gratuitously invoke the gratuitously invoke the
@code{f771} program (e.g. when @samp{-E} is specified). @code{f771} program (e.g. when @option{-E} is specified).
@item @item
Fix diagnostic to point to correct source line when it immediately Fix diagnostic to point to correct source line when it immediately
follows an @code{INCLUDE} statement. follows an @code{INCLUDE} statement.
@item @item
Support more compiler options in @code{gcc}/@code{g77} when Support more compiler options in @command{gcc}/@command{g77} when
compiling Fortran files. compiling Fortran files.
These options include @samp{-p}, @samp{-pg}, @samp{-aux-info}, @samp{-P}, These options include @option{-p}, @option{-pg}, @option{-aux-info}, @option{-P},
correct setting of version-number macros for preprocessing, full correct setting of version-number macros for preprocessing, full
recognition of @samp{-O0}, and recognition of @option{-O0}, and
automatic insertion of configuration-specific linker specs. automatic insertion of configuration-specific linker specs.
@item @item
...@@ -2718,15 +2718,15 @@ Move @code{LOC()} intrinsic out of the @code{vxt} group to the new ...@@ -2718,15 +2718,15 @@ Move @code{LOC()} intrinsic out of the @code{vxt} group to the new
@code{unix} group. @code{unix} group.
@item @item
Improve @code{g77} so that @samp{g77 -v} by itself (or with Improve @command{g77} so that @samp{g77 -v} by itself (or with
certain other options, including @samp{-B}, @samp{-b}, @samp{-i}, certain other options, including @option{-B}, @option{-b}, @option{-i},
@samp{-nostdlib}, and @samp{-V}) reports lots more useful @option{-nostdlib}, and @option{-V}) reports lots more useful
version info, and so that long-form options @code{gcc} accepts are version info, and so that long-form options @command{gcc} accepts are
understood by @code{g77} as well (even in truncated, unambiguous forms). understood by @command{g77} as well (even in truncated, unambiguous forms).
@item @item
Add new @code{g77} option @samp{--driver=name} to specify driver when Add new @command{g77} option @option{--driver=name} to specify driver when
default, @code{gcc}, isn't appropriate. default, @command{gcc}, isn't appropriate.
@item @item
Add support for @samp{#} directives (as output by the preprocessor) in the Add support for @samp{#} directives (as output by the preprocessor) in the
...@@ -2735,14 +2735,14 @@ preprocessor (when compiling @samp{.F} files) so diagnostics and debugging ...@@ -2735,14 +2735,14 @@ preprocessor (when compiling @samp{.F} files) so diagnostics and debugging
info are more useful to users of the preprocessor. info are more useful to users of the preprocessor.
@item @item
Produce better diagnostics, more like @code{gcc}, with info such as Produce better diagnostics, more like @command{gcc}, with info such as
@samp{In function `foo':} and @samp{In file included from...:}. @samp{In function `foo':} and @samp{In file included from...:}.
@item @item
Support @code{gcc}'s @samp{-fident} and @samp{-fno-ident} options. Support @command{gcc}'s @option{-fident} and @option{-fno-ident} options.
@item @item
When @samp{-Wunused} in effect, don't warn about local variables used as When @option{-Wunused} in effect, don't warn about local variables used as
statement-function dummy arguments or @code{DATA} implied-@code{DO} iteration statement-function dummy arguments or @code{DATA} implied-@code{DO} iteration
variables, even though, strictly speaking, these are not uses variables, even though, strictly speaking, these are not uses
of the variables themselves. of the variables themselves.
...@@ -2750,19 +2750,19 @@ of the variables themselves. ...@@ -2750,19 +2750,19 @@ of the variables themselves.
@item @item
When @samp{-W -Wunused} in effect, don't warn about unused dummy arguments When @samp{-W -Wunused} in effect, don't warn about unused dummy arguments
at all, since there's no way to turn this off for individual at all, since there's no way to turn this off for individual
cases (@code{g77} might someday start warning about these)---applies cases (@command{g77} might someday start warning about these)---applies
to @code{gcc} versions 2.7.0 and later, since earlier versions didn't to @command{gcc} versions 2.7.0 and later, since earlier versions didn't
warn about unused dummy arguments. warn about unused dummy arguments.
@item @item
New option @samp{-fno-underscoring} that inhibits transformation of names New option @option{-fno-underscoring} that inhibits transformation of names
(by appending one or two underscores) so users may experiment (by appending one or two underscores) so users may experiment
with implications of such an environment. with implications of such an environment.
@item @item
Minor improvement to @file{gcc/f/info} module to make it easier to build Minor improvement to @file{gcc/f/info} module to make it easier to build
@code{g77} using the native (non-@code{gcc}) compiler on certain machines @command{g77} using the native (non-@command{gcc}) compiler on certain machines
(but definitely not all machines nor all non-@code{gcc} compilers). (but definitely not all machines nor all non-@command{gcc} compilers).
Please Please
do not report bugs showing problems compilers have with do not report bugs showing problems compilers have with
macros defined in @file{gcc/f/target.h} and used in places like macros defined in @file{gcc/f/target.h} and used in places like
...@@ -2772,14 +2772,14 @@ macros defined in @file{gcc/f/target.h} and used in places like ...@@ -2772,14 +2772,14 @@ macros defined in @file{gcc/f/target.h} and used in places like
Add warning to be printed for each invocation of the compiler Add warning to be printed for each invocation of the compiler
if the target machine @code{INTEGER}, @code{REAL}, or @code{LOGICAL} size if the target machine @code{INTEGER}, @code{REAL}, or @code{LOGICAL} size
is not 32 bits, is not 32 bits,
since @code{g77} is known to not work well for such cases. since @command{g77} is known to not work well for such cases.
@item @item
Lots of new documentation (though work is still needed to put it into Lots of new documentation (though work is still needed to put it into
canonical GNU format). canonical GNU format).
@item @item
Build @code{libf2c} with @samp{-g0}, not @samp{-g2}, in effect Build @code{libf2c} with @option{-g0}, not @option{-g2}, in effect
(by default), to produce (by default), to produce
smaller library without lots of debugging clutter. smaller library without lots of debugging clutter.
@end itemize @end itemize
...@@ -2789,7 +2789,7 @@ smaller library without lots of debugging clutter. ...@@ -2789,7 +2789,7 @@ smaller library without lots of debugging clutter.
@itemize @bullet @itemize @bullet
@item @item
Fix bad code generation involving @samp{X**I} and temporary, internal variables Fix bad code generation involving @samp{X**I} and temporary, internal variables
generated by @code{g77} and the back end (such as for @code{DO} loops). generated by @command{g77} and the back end (such as for @code{DO} loops).
@item @item
Fix crash given @samp{CHARACTER A;DATA A/.TRUE./}. Fix crash given @samp{CHARACTER A;DATA A/.TRUE./}.
...@@ -2806,26 +2806,26 @@ Fix crash or other erratic behavior involving diagnosed code. ...@@ -2806,26 +2806,26 @@ Fix crash or other erratic behavior involving diagnosed code.
@item @item
Fix code generation for external functions returning type @code{REAL} when Fix code generation for external functions returning type @code{REAL} when
the @samp{-ff2c} option is in force (which it is by default) so that the @option{-ff2c} option is in force (which it is by default) so that
@code{f2c} compatibility is indeed provided. @command{f2c} compatibility is indeed provided.
@item @item
Disallow @samp{COMMON I(10)} if @samp{I} has previously been specified Disallow @samp{COMMON I(10)} if @samp{I} has previously been specified
with an array declarator. with an array declarator.
@item @item
New @samp{-ffixed-line-length-@var{n}} option, where @var{n} is the New @option{-ffixed-line-length-@var{n}} option, where @var{n} is the
maximum length maximum length
of a typical fixed-form line, defaulting to 72 columns, such of a typical fixed-form line, defaulting to 72 columns, such
that characters beyond column @var{n} are ignored, or @var{n} is @samp{none}, that characters beyond column @var{n} are ignored, or @var{n} is @samp{none},
meaning no characters are ignored. meaning no characters are ignored.
does not affect lines does not affect lines
with @samp{&} in column 1, which are always processed as if with @samp{&} in column 1, which are always processed as if
@samp{-ffixed-line-length-none} was in effect. @option{-ffixed-line-length-none} was in effect.
@item @item
No longer generate better code for some kinds of array references, No longer generate better code for some kinds of array references,
as @code{gcc} back end is to be fixed to do this even better, and it as @command{gcc} back end is to be fixed to do this even better, and it
turned out to slow down some code in some cases after all. turned out to slow down some code in some cases after all.
@item @item
...@@ -2833,7 +2833,7 @@ In @code{COMMON} and @code{EQUIVALENCE} areas with any members given initial ...@@ -2833,7 +2833,7 @@ In @code{COMMON} and @code{EQUIVALENCE} areas with any members given initial
values (e.g. via @code{DATA}), uninitialized members now always values (e.g. via @code{DATA}), uninitialized members now always
initialized to binary zeros (though this is not required by initialized to binary zeros (though this is not required by
the standard, and might not be done in future versions the standard, and might not be done in future versions
of @code{g77}). of @command{g77}).
Previously, in some @code{COMMON}/@code{EQUIVALENCE} areas Previously, in some @code{COMMON}/@code{EQUIVALENCE} areas
(essentially those with members of more than one type), the (essentially those with members of more than one type), the
uninitialized members were initialized to spaces, to uninitialized members were initialized to spaces, to
...@@ -2877,7 +2877,7 @@ Fix crash on @code{DCMPLX()} with a single @code{INTEGER} argument. ...@@ -2877,7 +2877,7 @@ Fix crash on @code{DCMPLX()} with a single @code{INTEGER} argument.
Fix various crashes involving code with diagnosed errors. Fix various crashes involving code with diagnosed errors.
@item @item
Support @samp{-I} option for @code{INCLUDE} statement, plus @code{gcc}'s Support @option{-I} option for @code{INCLUDE} statement, plus @command{gcc}'s
@file{header.gcc} facility for handling systems like MS-DOS. @file{header.gcc} facility for handling systems like MS-DOS.
@item @item
...@@ -2890,13 +2890,13 @@ fixes a bug involving infinite loops reading EOF with empty list-directed ...@@ -2890,13 +2890,13 @@ fixes a bug involving infinite loops reading EOF with empty list-directed
I/O list. I/O list.
@item @item
Remove all the @code{g77}-specific auto-configuration scripts, code, Remove all the @command{g77}-specific auto-configuration scripts, code,
and so on, and so on,
except for temporary substitutes for bsearch() and strtoul(), as except for temporary substitutes for bsearch() and strtoul(), as
too many configure/build problems were reported in these areas. too many configure/build problems were reported in these areas.
People will have to fix their systems' problems themselves, or at People will have to fix their systems' problems themselves, or at
least somewhere other than @code{g77}, which expects a working ANSI C least somewhere other than @command{g77}, which expects a working ANSI C
environment (and, for now, a GNU C compiler to compile @code{g77} itself). environment (and, for now, a GNU C compiler to compile @command{g77} itself).
@item @item
Complain if initialized common redeclared as larger in subsequent program Complain if initialized common redeclared as larger in subsequent program
...@@ -2907,40 +2907,40 @@ Warn if blank common initialized, since its size can vary and hence ...@@ -2907,40 +2907,40 @@ Warn if blank common initialized, since its size can vary and hence
related warnings that might be helpful won't be seen. related warnings that might be helpful won't be seen.
@item @item
New @samp{-fbackslash} option, on by default, that causes @samp{\} New @option{-fbackslash} option, on by default, that causes @samp{\}
within @code{CHARACTER} within @code{CHARACTER}
and Hollerith constants to be interpreted a la GNU C. and Hollerith constants to be interpreted a la GNU C.
Note that Note that
this behavior is somewhat different from @code{f2c}'s, which supports only this behavior is somewhat different from @command{f2c}'s, which supports only
a limited subset of backslash (escape) sequences. a limited subset of backslash (escape) sequences.
@item @item
Make @samp{-fugly-args} the default. Make @option{-fugly-args} the default.
@item @item
New @samp{-fugly-init} option, on by default, that allows typeless/Hollerith New @option{-fugly-init} option, on by default, that allows typeless/Hollerith
to be specified as initial values for variables or named constants to be specified as initial values for variables or named constants
(@code{PARAMETER}), and also allows character<->numeric conversion in (@code{PARAMETER}), and also allows character<->numeric conversion in
those contexts---turn off via @samp{-fno-ugly-init}. those contexts---turn off via @option{-fno-ugly-init}.
@item @item
New @samp{-finit-local-zero} option to initialize New @option{-finit-local-zero} option to initialize
local variables to binary zeros. local variables to binary zeros.
This does not affect whether they are @code{SAVE}d, i.e. made This does not affect whether they are @code{SAVE}d, i.e. made
automatic or static. automatic or static.
@item @item
New @samp{-Wimplicit} option to warn about implicitly typed variables, arrays, New @option{-Wimplicit} option to warn about implicitly typed variables, arrays,
and functions. and functions.
(Basically causes all program units to default to @code{IMPLICIT NONE}.) (Basically causes all program units to default to @code{IMPLICIT NONE}.)
@item @item
@samp{-Wall} now implies @samp{-Wuninitialized} as with @code{gcc} @option{-Wall} now implies @option{-Wuninitialized} as with @command{gcc}
(i.e. unless @samp{-O} not specified, since @samp{-Wuninitialized} (i.e. unless @option{-O} not specified, since @option{-Wuninitialized}
requires @samp{-O}), and implies @samp{-Wunused} as well. requires @option{-O}), and implies @option{-Wunused} as well.
@item @item
@samp{-Wunused} no longer gives spurious messages for unused @option{-Wunused} no longer gives spurious messages for unused
@code{EXTERNAL} names (since they are assumed to refer to block data @code{EXTERNAL} names (since they are assumed to refer to block data
program units, to make use of libraries more reliable). program units, to make use of libraries more reliable).
...@@ -2951,7 +2951,7 @@ Support @code{%LOC()} and @code{LOC()} of character arguments. ...@@ -2951,7 +2951,7 @@ Support @code{%LOC()} and @code{LOC()} of character arguments.
Support null (zero-length) character constants and expressions. Support null (zero-length) character constants and expressions.
@item @item
Support @code{f2c}'s @code{IMAG()} generic intrinsic. Support @command{f2c}'s @code{IMAG()} generic intrinsic.
@item @item
Support @code{ICHAR()}, @code{IACHAR()}, and @code{LEN()} of Support @code{ICHAR()}, @code{IACHAR()}, and @code{LEN()} of
...@@ -2959,7 +2959,7 @@ character expressions that are valid in assignments but ...@@ -2959,7 +2959,7 @@ character expressions that are valid in assignments but
not normally as actual arguments. not normally as actual arguments.
@item @item
Support @code{f2c}-style @samp{&} in column 1 to mean continuation line. Support @command{f2c}-style @samp{&} in column 1 to mean continuation line.
@item @item
Allow @code{NAMELIST}, @code{EXTERNAL}, @code{INTRINSIC}, and @code{VOLATILE} Allow @code{NAMELIST}, @code{EXTERNAL}, @code{INTRINSIC}, and @code{VOLATILE}
...@@ -2991,9 +2991,9 @@ too small, otherwise fully intact if constant wider the @code{INTEGER} ...@@ -2991,9 +2991,9 @@ too small, otherwise fully intact if constant wider the @code{INTEGER}
type) instead of by value. type) instead of by value.
@end itemize @end itemize
@strong{Warning:} @code{f2c} differs on the @strong{Warning:} @command{f2c} differs on the
interpretation of @samp{CALL FOO(1HX)}, which it treats exactly the interpretation of @samp{CALL FOO(1HX)}, which it treats exactly the
same as @samp{CALL FOO('X')}, but which the standard and @code{g77} treat same as @samp{CALL FOO('X')}, but which the standard and @command{g77} treat
as @samp{CALL FOO(%REF('X '))} (padded with as many spaces as necessary as @samp{CALL FOO(%REF('X '))} (padded with as many spaces as necessary
to widen to @code{INTEGER}), essentially. to widen to @code{INTEGER}), essentially.
...@@ -3040,7 +3040,7 @@ Remove redundant message about zero-step-count @code{DO} loops. ...@@ -3040,7 +3040,7 @@ Remove redundant message about zero-step-count @code{DO} loops.
Clean up diagnostic messages, shortening many of them. Clean up diagnostic messages, shortening many of them.
@item @item
Fix typo in @code{g77} man page. Fix typo in @command{g77} man page.
@item @item
Clarify implications of constant-handling bugs in @file{f/BUGS}. Clarify implications of constant-handling bugs in @file{f/BUGS}.
...@@ -3051,7 +3051,7 @@ type @code{INTEGER}. ...@@ -3051,7 +3051,7 @@ type @code{INTEGER}.
@item @item
Generate better code for @code{SQRT()} and @code{DSQRT()}, Generate better code for @code{SQRT()} and @code{DSQRT()},
also when @samp{-ffast-math} also when @option{-ffast-math}
specified, enable better code generation for @code{SIN()} and @code{COS()}. specified, enable better code generation for @code{SIN()} and @code{COS()}.
@item @item
......
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