From afada1498f7468c7b78a1c3e1a39c2c08f87350b Mon Sep 17 00:00:00 2001 From: Craig Burley Date: Wed, 16 Jun 1999 08:59:56 +0000 Subject: [PATCH] fix BACKSPACE, doc fix, update derived file From-SVN: r27540 --- gcc/f/ChangeLog | 4 +++ gcc/f/NEWS | 71 ++++++++++++++++++++++++++----------------------- gcc/f/news.texi | 9 ++++++- 3 files changed, 49 insertions(+), 35 deletions(-) diff --git a/gcc/f/ChangeLog b/gcc/f/ChangeLog index e8d745a88ee..0b5f73c6551 100644 --- a/gcc/f/ChangeLog +++ b/gcc/f/ChangeLog @@ -1,3 +1,7 @@ +Wed Jun 16 11:43:02 1999 Craig Burley + + * news.texi: Mention BACKSPACE fix to libg2c. + Mon Jun 7 08:42:40 1999 Craig Burley * Make-lang.in: Any target using libsubdir must depend diff --git a/gcc/f/NEWS b/gcc/f/NEWS index 63570febeb8..d9a91b11df2 100644 --- a/gcc/f/NEWS +++ b/gcc/f/NEWS @@ -66,7 +66,7 @@ about previous `g77' versions up-to-date. the mainline, development version of `g77' within `egcs') is available at `http://egcs.cygnus.com/onlinedocs/g77_news.html'. - The following information was last updated on 1999-06-04: + The following information was last updated on 1999-06-16: In 0.5.25, `GCC' 2.95 (`EGCS' 1.2) versus `EGCS' 1.1.2: ======================================================= @@ -87,19 +87,22 @@ In 0.5.25, `GCC' 2.95 (`EGCS' 1.2) versus `EGCS' 1.1.2: now assigns through a temporary, in cases where such partial overlap is deemed possible. - 4. Automatic arrays now seem to be working on HP-UX systems. + 4. `libg2c' (`libf2c') no longer loses track of the file being worked + on during a `BACKSPACE' operation. - 5. Fix `g77' so it no longer crashes when compiling I/O statements + 5. Automatic arrays now seem to be working on HP-UX systems. + + 6. Fix `g77' so it no longer crashes when compiling I/O statements using keywords that define `INTEGER' values, such as `IOSTAT=J', where J is other than default `INTEGER' (such as `INTEGER*2'). Instead, it issues a diagnostic. - 6. Fix `g77' so it properly handles `DATA A/RPT*VAL/', where RPT is + 7. Fix `g77' so it properly handles `DATA A/RPT*VAL/', where RPT is not default `INTEGER', such as `INTEGER*2', instead of producing a spurious diagnostic. Also fix `DATA (A(I),I=1,N)', where `N' is not default `INTEGER' to work instead of crashing `g77'. - 7. The `-ax' option is now obeyed when compiling Fortran programs. + 8. The `-ax' option is now obeyed when compiling Fortran programs. (It is passed to the `f771' driver.) * The new `-fbounds-check' option causes `g77' to compile run-time @@ -126,7 +129,7 @@ In 0.5.25, `GCC' 2.95 (`EGCS' 1.2) versus `EGCS' 1.1.2: to the implementations of these intrinsics using the `EXTERNAL' mechanism (which would avoid the new warnings). - 8. `g77' now warns about a reference to a function when the + 9. `g77' now warns about a reference to a function when the corresponding *subsequent* function program unit disagrees with the reference concerning the type of the function. @@ -137,23 +140,23 @@ In 0.5.25, `GCC' 2.95 (`EGCS' 1.2) versus `EGCS' 1.1.2: * The `-malign-double' option now reliably aligns *all* double-precision variables and arrays on Intel x86 targets. - 9. Even without the `-malign-double' option, `g77' reliably aligns + 10. Even without the `-malign-double' option, `g77' reliably aligns local double-precision variables that are not in `EQUIVALENCE' areas and not `SAVE''d. - 10. `g77' now open-codes ("inlines") division of `COMPLEX' operands + 11. `g77' now open-codes ("inlines") division of `COMPLEX' operands instead of generating a run-time call to the `libf2c' routines `c_div' or `z_div', unless the `-Os' option is specified. * `g77' no longer generates code to maintain `errno', a C-language concept, when performing operations such as the `SqRt' intrinsic. - 11. `g77' developers can temporarily use the `-fflatten-arrays' option + 12. `g77' developers can temporarily use the `-fflatten-arrays' option to compare how the compiler handles code generation using C-like constructs as compared to the Fortran-like method constructs normally used. - 12. A substantial portion of the `g77' front end's code-generation + 13. A substantial portion of the `g77' front end's code-generation component was rewritten. It now generates code using facilities more robustly supported by the `gcc' back end. One effect of this rewrite is that some codes no longer produce a spurious "label LAB @@ -161,11 +164,11 @@ In 0.5.25, `GCC' 2.95 (`EGCS' 1.2) versus `EGCS' 1.1.2: * Support for the `-fugly' option has been removed. - 13. Improve documentation and indexing, including information on Year + 14. Improve documentation and indexing, including information on Year 2000 (Y2K) compliance, and providing more information on internals of the front end. - 14. Upgrade to `libf2c' as of 1999-05-10. + 15. Upgrade to `libf2c' as of 1999-05-10. In 0.5.24 versus 0.5.23: ======================== @@ -228,25 +231,25 @@ In `EGCS' 1.1.1 versus `EGCS' 1.1: In `EGCS' 1.1 versus `EGCS' 1.0.3: ================================== - 15. Fix bugs in the `libU77' intrinsic `HostNm' that wrote one byte + 16. Fix bugs in the `libU77' intrinsic `HostNm' that wrote one byte beyond the end of its `CHARACTER' argument, and in the `libU77' intrinsics `GMTime' and `LTime' that overwrote their arguments. - 16. Assumed arrays with negative bounds (such as `REAL A(-1:*)') no + 17. Assumed arrays with negative bounds (such as `REAL A(-1:*)') no longer elicit spurious diagnostics from `g77', even on systems with pointers having different sizes than integers. This bug is not known to have existed in any recent version of `gcc'. It was introduced in an early release of `egcs'. - 17. Valid combinations of `EXTERNAL', passing that external as a dummy + 18. Valid combinations of `EXTERNAL', passing that external as a dummy argument without explicitly giving it a type, and, in a subsequent program unit, referencing that external as an external function with a different type no longer crash `g77'. - 18. `CASE DEFAULT' no longer crashes `g77'. + 19. `CASE DEFAULT' no longer crashes `g77'. - 19. The `-Wunused' option no longer issues a spurious warning about + 20. The `-Wunused' option no longer issues a spurious warning about the "master" procedure generated by `g77' for procedures containing `ENTRY' statements. @@ -271,25 +274,25 @@ In `EGCS' 1.1 versus `EGCS' 1.0.3: `libf2c' environment, even when `libf2c' (now `libg2c') is a shared library. - 20. `g77' no longer installs the `f77' command and `f77.1' man page in + 21. `g77' no longer installs the `f77' command and `f77.1' man page in the `/usr' or `/usr/local' heirarchy, even if the `f77-install-ok' file exists in the source or build directory. See the installation documentation for more information. - 21. `g77' no longer installs the `libf2c.a' library and `f2c.h' + 22. `g77' no longer installs the `libf2c.a' library and `f2c.h' include file in the `/usr' or `/usr/local' heirarchy, even if the `f2c-install-ok' or `f2c-exists-ok' files exist in the source or build directory. See the installation documentation for more information. - 22. The `libf2c.a' library produced by `g77' has been renamed to + 23. The `libf2c.a' library produced by `g77' has been renamed to `libg2c.a'. It is installed only in the `gcc' "private" directory heirarchy, `gcc-lib'. This allows system administrators and users to choose which version of the `libf2c' library from `netlib' they wish to use on a case-by-case basis. See the installation documentation for more information. - 23. The `f2c.h' include (header) file produced by `g77' has been + 24. The `f2c.h' include (header) file produced by `g77' has been renamed to `g2c.h'. It is installed only in the `gcc' "private" directory heirarchy, `gcc-lib'. This allows system administrators and users to choose which version of the include file from @@ -301,11 +304,11 @@ In `EGCS' 1.1 versus `EGCS' 1.0.3: than the one built and installed as part of the same `g77' version is picked up. - 24. During the configuration and build process, `g77' creates + 25. During the configuration and build process, `g77' creates subdirectories it needs only as it needs them. Other cleaning up of the configuration and build process has been performed as well. - 25. `install-info' now used to update the directory of Info + 26. `install-info' now used to update the directory of Info documentation to contain an entry for `g77' (during installation). * Some diagnostics have been changed from warnings to errors, to @@ -314,38 +317,38 @@ In `EGCS' 1.1 versus `EGCS' 1.0.3: in the `OPEN', `INQUIRE', `READ', and `WRITE' statements, and about truncations of various sorts of constants. - 26. Improve compilation of `FORMAT' expressions so that a null byte is + 27. Improve compilation of `FORMAT' expressions so that a null byte is appended to the last operand if it is a constant. This provides a cleaner run-time diagnostic as provided by `libf2c' for statements like `PRINT '(I1', 42'. - 27. Improve documentation and indexing. + 28. Improve documentation and indexing. - 28. The upgrade to `libf2c' as of 1998-06-18 should fix a variety of + 29. The upgrade to `libf2c' as of 1998-06-18 should fix a variety of problems, including those involving some uses of the `T' format specifier, and perhaps some build (porting) problems as well. In `EGCS' 1.1 versus `g77' 0.5.23: ================================== - 29. Fix a code-generation bug that afflicted Intel x86 targets when + 30. Fix a code-generation bug that afflicted Intel x86 targets when `-O2' was specified compiling, for example, an old version of the `DNRM2' routine. The x87 coprocessor stack was being mismanaged in cases involving assigned `GOTO' and `ASSIGN'. - 30. `g77' no longer produces incorrect code and initial values for + 31. `g77' no longer produces incorrect code and initial values for `EQUIVALENCE' and `COMMON' aggregates that, due to "unnatural" ordering of members vis-a-vis their types, require initial padding. - 31. Fix `g77' crash compiling code containing the construct + 32. Fix `g77' crash compiling code containing the construct `CMPLX(0.)' or similar. - 32. `g77' no longer crashes when compiling code containing + 33. `g77' no longer crashes when compiling code containing specification statements such as `INTEGER(KIND=7) PTR'. - 33. `g77' no longer crashes when compiling code such as `J = SIGNAL(1, + 34. `g77' no longer crashes when compiling code such as `J = SIGNAL(1, 2)'. * `g77' now treats `%LOC(EXPR)' and `LOC(EXPR)' as "ordinary" @@ -356,7 +359,7 @@ In `EGCS' 1.1 versus `g77' 0.5.23: Previously, `g77' treated these expressions as denoting special "pointer" arguments for the purposes of filewide analysis. - 34. Fix `g77' crash (or apparently infinite run-time) when compiling + 35. Fix `g77' crash (or apparently infinite run-time) when compiling certain complicated expressions involving `COMPLEX' arithmetic (especially multiplication). @@ -386,9 +389,9 @@ In `EGCS' 1.1 versus `g77' 0.5.23: * The F90 `System_Clock' intrinsic allows the optional arguments (except for the `Count' argument) to be omitted. - 35. Upgrade to `libf2c' as of 1998-06-18. + 36. Upgrade to `libf2c' as of 1998-06-18. - 36. Improve documentation and indexing. + 37. Improve documentation and indexing. In previous versions: ===================== diff --git a/gcc/f/news.texi b/gcc/f/news.texi index ea0a1312f03..9f20e65bf43 100644 --- a/gcc/f/news.texi +++ b/gcc/f/news.texi @@ -9,7 +9,7 @@ @c in the standalone derivations of this file (e.g. NEWS). @set copyrights-news 1995-1999 -@set last-update-news 1999-06-04 +@set last-update-news 1999-06-16 @include root.texi @@ -184,6 +184,13 @@ It now assigns through a temporary, in cases where such partial overlap is deemed possible. @end ifclear +@ifclear USERVISONLY +@item +@code{libg2c} (@code{libf2c}) no longer loses track +of the file being worked on +during a @code{BACKSPACE} operation. +@end ifclear + @ifclear USERVISONLY @item @c Tim Prince reported this, regarding the TEST_FPU benchmark. -- 2.30.2