1 This file contains information about GCC releases which has been
2 generated automatically from the online release notes. This file
3 covers releases of GCC (and the former EGCS project) since EGCS 1.0,
4 on the line of development that led to GCC 3; for information on GCC
5 2.8.1 and older releases of GCC 2, see ONEWS.
7 ======================================================================
8 http://gcc.gnu.org/gcc-2.95/gcc-2.95.3.html
14 The GNU project and the GCC developers are pleased to announce the
15 release of GCC version 2.95.3. GCC used to stand for the GNU C
16 Compiler, but since the compiler supports several other languages
17 aside from C, it now stands for the GNU Compiler Collection.
19 This is a minor release to address several bugs in the [1]GCC version
22 * Generic bugfixes and improvements
23 + Fix numerous problems that caused incorrect optimization in
24 the register reloading code.
25 + Fix numerous problems that caused incorrect optimization in
27 + Fix aborts in the functions build_insn_chain and scan_loops
28 under some circumstances.
29 + Fix an alias analysis bug.
30 + Fix an infinite compilation bug in the combiner.
31 + A few problems with complex number support have been fixed.
32 + It is no longer possible for gcc to act as a fork bomb when
33 installed incorrectly.
34 + The -fpack-struct option should be recognized now.
35 + Fixed a bug that caused incorrect code to be generated due to
36 a lost stack adjustment.
37 * Platform specific bugfixes and improvements
38 + Support building ARM toolchains hosted on Windows.
39 + Fix attribute calculations in ARM toolchains.
40 + arm-linux support has been improved.
41 + Fix a PIC failure on sparc targets.
42 + On ix86 targets, the regparm attribute should now work
44 + Several updates for the h8300 port.
46 The whole suite has been extensively [2]regression tested and
47 [3]package tested. It should be reliable and suitable for widespread
50 The GCC 2.95 release has several new optimizations, new targets, new
51 languages and other new features as compared to EGCS 1.1 or GCC 2.8.
52 See the [4]new features page for a more complete list of new features
53 found in the GCC 2.95 releases.
55 The sources include installation instructions in both HTML and
56 plaintext forms in the install directory in the distribution. However,
57 the most up to date [5]installation instructions and [6]build/test
58 status are on the web pages. We will update those pages as new
59 information becomes available.
61 The GCC developers would like to thank the numerous people that have
62 contributed new features, test results, bugfixes, etc to GCC. This
63 [7]amazing group of volunteers is what makes GCC successful.
65 And finally, we can't in good conscience fail to mention some
66 [8]caveats to using GCC 2.95.3.
68 Download GCC 2.95.3 from the [9]GNU FTP server (ftp://ftp.gnu.org)
69 Download GCC 2.95.3 from the [10]GCC FTP server (ftp://gcc.gnu.org)
70 [11]Find a GNU mirror site
71 [12]Find a GCC mirror site
73 For additional information about GCC please see the [13]GCC project
74 web server or contact the [14]GCC development mailing list.
75 _________________________________________________________________
79 Last modified 2001-03-16
83 1. http://gcc.gnu.org/gcc-2.95/gcc-2.95.2.html
84 2. http://gcc.gnu.org/gcc-2.95/regress.html
85 3. http://gcc.gnu.org/gcc-2.95/othertest.html
86 4. http://gcc.gnu.org/gcc-2.95/features.html
87 5. http://gcc.gnu.org/install/index.html
88 6. http://gcc.gnu.org/gcc-2.95/buildstat.html
89 7. http://gcc.gnu.org/thanks.html
90 8. http://gcc.gnu.org/gcc-2.95/caveats.html
91 9. ftp://ftp.gnu.org/pub/gnu/gcc/
92 10. ftp://gcc.gnu.org/pub/gcc/releases/index.html
93 11. http://www.gnu.org/order/ftp.html
94 12. http://gcc.gnu.org/mirrors.html
95 13. http://gcc.gnu.org/index.html
96 14. mailto:gcc@gcc.gnu.org
97 15. http://gcc.gnu.org/about.html
98 ======================================================================
99 http://gcc.gnu.org/gcc-2.95/gcc-2.95.2.html
105 The GNU project and the GCC developers are pleased to announce the
106 release of GCC version 2.95.2. GCC used to stand for the GNU C
107 Compiler, but since the compiler supports several other languages
108 aside from C, it now stands for the GNU Compiler Collection.
110 This is a minor release to address several bugs in the GCC version
113 The -fstrict-aliasing is not enabled by default for GCC 2.95.2. While
114 the optimizations performed by -fstrict-aliasing are valid according
115 to the C and C++ standards, the optimization have caused some
116 problems, particularly with old non-conforming code.
118 The GCC developers are experimenting with ways to warn users about
119 code which violates the C/C++ standards, but those warnings are not
120 ready for widespread use at this time. Rather than wait for those
121 warnings the GCC developers have chosen to disable -fstrict-aliasing
122 by default for the GCC 2.95.2 release.
124 We strongly encourage developers to find and fix code which violates
125 the C/C++ standards as -fstrict-aliasing may be enabled by default in
126 future releases. Use the option -fstrict-aliasing to re-enable these
129 * Generic bugfixes and improvements
130 + Fix incorrectly optimized memory reference in global common
131 subexpression elimination (GCSE) optimization pass.
132 + Fix code generation bug in regmove.c in which it could
133 incorrectly change a "const" value.
134 + Fix bug in optimization of conditionals involving volatile
136 + Avoid over-allocation of stack space for some procedures.
137 + Fixed bug in the compiler which caused incorrect optimization
138 of an obscure series of bit manipulations, shifts and
140 + Fixed register allocator bug which caused teTeX to be
141 mis-compiled on Sparc targets.
142 + Avoid incorrect optimization of degenerate case statements
143 for certain targets such as the ARM.
144 + Fix out of range memory reference in the jump optimizer.
145 + Avoid dereferencing null pointer in fix-header.
146 + Fix test for GCC specific features so that it is possible to
147 bootstrap with gcc-2.6.2 and older versions of GCC.
148 + Fix typo in scheduler which could potentially cause out of
149 range memory accesses.
150 + Avoid incorrect loop reversal which caused incorrect code for
151 certain loops on PowerPC targets.
152 + Avoid incorrect optimization of switch statements on certain
153 targets (for example the ARM).
154 * Platform specific bugfixes and improvements
155 + Work around bug in Sun V5.0 compilers which caused bootstrap
156 comparison failures on Sparc targets.
157 + Fix Sparc backend bug which caused aborts in final.c.
158 + Fix sparc-hal-solaris2* configuration fragments.
159 + Fix bug in sparc block profiling.
160 + Fix obscure code generation bug for the PARISC targets.
161 + Define __STDC_EXT__ for HPUX configurations.
162 + Various POWERPC64 code generation bugfixes.
163 + Fix abort for PPC targets using ELF (ex GNU/Linux).
164 + Fix collect2 problems for AIX targets.
165 + Correct handling of .file directive for PPC targets.
166 + Fix bug in fix_trunc x86 patterns.
167 + Fix x86 port to correctly pop the FP stack for functions that
168 return structures in memory.
169 + Fix minor bug in strlen x86 pattern.
170 + Use stabs debugging instead of dwarf1 for x86-solaris
172 + Fix template repository code to handle leading underscore in
174 + Fix weak/weak alias support for OpenBSD.
175 + GNU/Linux for the ARM has C++ compatible include files.
176 * Language & Runtime specific fixes.
177 + Fix handling of constructor attribute in the C front-end
178 which caused problems building the Chill runtime library on
180 + Fix minor problem merging type qualifiers in the C front-end.
181 + Fix aliasing bug for pointers and references (C/C++).
182 + Fix incorrect "non-constant initializer bug" when
183 -traditional or -fwritable-strings is enabled.
184 + Fix build error for Chill front-end on SunOS.
185 + Do not complain about duplicate instantiations when using
187 + Fix array bounds handling in C++ front-end which caused
188 problems with dwarf debugging information in some
190 + Fix minor namespace problem.
191 + Fix problem linking java programs.
193 The whole suite has been extensively [1]regression tested and
194 [2]package tested. It should be reliable and suitable for widespread
197 The GCC 2.95 release has several new optimizations, new targets, new
198 languages and other new features as compared to EGCS 1.1 or GCC 2.8.
199 See the [3]new features page for a more complete list of new features
200 found in the GCC 2.95 releases.
202 The sources include installation instructions in both HTML and
203 plaintext forms in the install directory in the distribution. However,
204 the most up to date [4]installation instructions and [5]build/test
205 status are on the web pages. We will update those pages as new
206 information becomes available.
208 The GCC developers would like to thank the numerous people that have
209 contributed new features, test results, bugfixes, etc to GCC. This
210 [6]amazing group of volunteers is what makes GCC successful.
212 And finally, we can't in good conscience fail to mention some
213 [7]caveats to using GCC 2.95.2.
215 Download GCC 2.95.2 from the [8]GNU FTP server (ftp://ftp.gnu.org)
216 Download GCC 2.95.2 from the [9]GCC/EGCS FTP server
218 [10]Find a GNU mirror site
219 [11]Find a GCC/EGCS mirror site
221 For additional information about GCC please see the [12]GCC project
222 web server or contact the [13]GCC development mailing list.
223 _________________________________________________________________
227 Last modified 2001-02-12
231 1. http://gcc.gnu.org/gcc-2.95/regress.html
232 2. http://gcc.gnu.org/gcc-2.95/othertest.html
233 3. http://gcc.gnu.org/gcc-2.95/features.html
234 4. http://gcc.gnu.org/install/index.html
235 5. http://gcc.gnu.org/gcc-2.95/buildstat.html
236 6. http://gcc.gnu.org/thanks.html
237 7. http://gcc.gnu.org/gcc-2.95/caveats.html
238 8. ftp://ftp.gnu.org/pub/gnu/gcc/
239 9. ftp://gcc.gnu.org/pub/gcc/releases/index.html
240 10. http://www.gnu.org/order/ftp.html
241 11. http://gcc.gnu.org/mirrors.html
242 12. http://gcc.gnu.org/index.html
243 13. mailto:gcc@gcc.gnu.org
244 14. http://gcc.gnu.org/about.html
245 ======================================================================
246 http://gcc.gnu.org/gcc-2.95/gcc-2.95.1.html
252 The GNU project and the GCC/EGCS developers are pleased to announce
253 the release of GCC version 2.95.1. GCC used to stand for the GNU C
254 Compiler, but since the compiler supports several other languages
255 aside from C, it now stands for the GNU Compiler Collection.
257 This is a minor release to address several bugs in the GCC version
260 * Generic bugfixes and improvements
261 + Various documentation fixes related to the GCC/EGCS merger.
262 + Fix memory management bug which could lead to spurious
263 aborts, core dumps or random parsing errors in the compiler.
264 + Fix a couple bugs in the dwarf1 and dwarf2 debug record
266 + Fix infinite loop in the CSE optimizer.
267 + Avoid undefined behavior in compiler FP emulation code
268 + Fix install problem when prefix is overridden on the make
270 + Fix problem with unwanted installation of assert.h on some
272 + Fix problem with finding the wrong assembler in a single tree
274 + Avoid increasing the known alignment of a register that is
275 already known to be a pointer.
276 * Platform specific bugfixes and improvements
277 + Codegen bugfix for prologue/epilogue for cpu32 target.
278 + Fix long long code generation bug for the Coldfire target.
279 + Fix various aborts in the SH compiler.
280 + Fix bugs in libgcc support library for the SH.
281 + Fix alpha ev6 code generation bug.
282 + Fix problems with EXIT_SUCCESS/EXIT_FAILURE redefinitions on
284 + Fix -fpic code generation bug for rs6000/ppc svr4 targets.
285 + Fix varargs/stdarg code generation bug for rs6000/ppc svr4
287 + Fix weak symbol handling for rs6000/ppc svr4 targets.
288 + Fix various problems with 64bit code generation for the
290 + Fix codegen bug which caused tetex to be mis-compiled on the
292 + Fix compiler abort in new cfg code exposed by x86 port.
293 + Fix out of range array reference in code convert flat
294 registers to the x87 stacked FP register file.
295 + Fix minor vxworks configuration bug
296 + Fix return type of bsearch for SunOS 4.x.
297 * Language & Runtime specific fixes.
298 + The G++ signature extension has been deprecated. It will be
299 removed in the next major release of G++. Use of signatures
300 will result in a warning from the compiler.
301 + Several bugs relating to templates and namespaces were fixed.
302 + A bug that caused crashes when combining templates with -g on
303 DWARF1 platforms was fixed.
304 + Pointers-to-members, virtual functions, and multiple
305 inheritance should now work together correctly.
306 + Some code-generation bugs relating to function try blocks
308 + G++ is a little bit more lenient with certain archaic
309 constructs than in GCC 2.95.
310 + Fix to prevent shared library version #s from bring truncated
312 + Fix missing std:: in the libstdc++ library.
313 + Fix stream locking problems in libio.
314 + Fix problem in java compiler driver.
316 The whole suite has been extensively [1]regression tested and
317 [2]package tested. It should be reliable and suitable for widespread
320 The compiler has several new optimizations, new targets, new languages
321 and other new features. See the [3]new features page for a more
322 complete list of new features found in the GCC 2.95 releases.
324 The sources include installation instructions in both HTML and
325 plaintext forms in the install directory in the distribution. However,
326 the most up to date [4]installation instructions and [5]build/test
327 status are on the web pages. We will update those pages as new
328 information becomes available.
330 The GCC developers would like to thank the numerous people that have
331 contributed new features, test results, bugfixes, etc to GCC. This
332 [6]amazing group of volunteers is what makes GCC successful.
334 And finally, we can't in good conscience fail to mention some
335 [7]caveats to using GCC 2.95.1.
337 Download GCC 2.95.1 from the [8]GNU FTP server (ftp://ftp.gnu.org)
338 Download GCC 2.95.1 from the [9]GCC/EGCS FTP server
339 (ftp://go.cygnus.com)
340 [10]Find a GNU mirror site
341 [11]Find a GCC/EGCS mirror site
343 For additional information about GCC please see the [12]GCC project
344 web server or contact the [13]GCC development mailing list.
345 _________________________________________________________________
349 Last modified 2001-02-12
353 1. http://gcc.gnu.org/gcc-2.95/regress.html
354 2. http://gcc.gnu.org/gcc-2.95/othertest.html
355 3. http://gcc.gnu.org/gcc-2.95/features.html
356 4. http://gcc.gnu.org/install/index.html
357 5. http://gcc.gnu.org/gcc-2.95/buildstat.html
358 6. http://gcc.gnu.org/thanks.html
359 7. http://gcc.gnu.org/gcc-2.95/caveats.html
360 8. ftp://ftp.gnu.org/pub/gnu/gcc/
361 9. ftp://go.cygnus.com/pub/sourceware.cygnus.com/pub/egcs/releases/index.html
362 10. http://www.gnu.org/order/ftp.html
363 11. http://gcc.gnu.org/mirrors.html
364 12. http://gcc.gnu.org/index.html
365 13. mailto:gcc@gcc.gnu.org
366 14. http://gcc.gnu.org/about.html
367 ======================================================================
368 http://gcc.gnu.org/gcc-2.95/gcc-2.95.html
374 The GNU project and the GCC/EGCS developers are pleased to announce
375 the release of GCC version 2.95. GCC used to stand for the GNU C
376 Compiler, but since the compiler supports several other languages
377 aside from C, it now stands for the GNU Compiler Collection.
379 This is the first release of GCC since the April 1999 GCC/EGCS
380 reunification and includes nearly a year's worth of new development
383 The whole suite has been extensively [1]regression tested and
384 [2]package tested. It should be reliable and suitable for widespread
387 The compiler has several new optimizations, new targets, new languages
388 and other new features. See the [3]new features page for a more
389 complete list of new features found in the GCC 2.95 releases.
391 The sources include installation instructions in both HTML and
392 plaintext forms in the install directory in the distribution. However,
393 the most up to date [4]installation instructions and [5]build/test
394 status are on the web pages. We will update those pages as new
395 information becomes available.
397 The GCC developers would like to thank the numerous people that have
398 contributed new features, test results, bugfixes, etc to GCC. This
399 [6]amazing group of volunteers is what makes GCC successful.
401 And finally, we can't in good conscience fail to mention some
402 [7]caveats to using GCC 2.95.
404 Download GCC 2.95 from the [8]GNU FTP server (ftp://ftp.gnu.org)
405 Download GCC 2.95 from the [9]GCC/EGCS FTP server
406 (ftp://go.cygnus.com)
407 [10]Find a GNU mirror site
408 [11]Find a GCC/EGCS mirror site
410 For additional information about GCC please see the [12]GCC project
411 web server or contact the [13]GCC development mailing list.
412 _________________________________________________________________
416 Last modified 2001-02-12
420 1. http://gcc.gnu.org/gcc-2.95/regress.html
421 2. http://gcc.gnu.org/gcc-2.95/othertest.html
422 3. http://gcc.gnu.org/gcc-2.95/features.html
423 4. http://gcc.gnu.org/install/index.html
424 5. http://gcc.gnu.org/gcc-2.95/buildstat.html
425 6. http://gcc.gnu.org/thanks.html
426 7. http://gcc.gnu.org/gcc-2.95/caveats.html
427 8. ftp://ftp.gnu.org/pub/gnu/gcc/
428 9. ftp://go.cygnus.com/pub/sourceware.cygnus.com/pub/egcs/releases/index.html
429 10. http://www.gnu.org/order/ftp.html
430 11. http://gcc.gnu.org/mirrors.html
431 12. http://gcc.gnu.org/index.html
432 13. mailto:gcc@gcc.gnu.org
433 14. http://gcc.gnu.org/about.html
434 ======================================================================
435 http://gcc.gnu.org/gcc-2.95/features.html
437 GCC 2.95 New Features
439 * General Optimizer Improvements:
440 + [1]Localized register spilling to improve speed and code
441 density especially on small register class machines.
442 + [2]Global CSE using lazy code motion algorithms.
443 + [3]Improved global constant/copy propagation.
444 + [4]Improved control flow graph analysis and manipulation.
445 + [5]Local dead store elimination.
446 + [6]Memory Load hoisting/store sinking in loops.
447 + [7]Type based alias analysis is enabled by default. Note this
448 feature will expose bugs in the Linux kernel. Please refer to
449 the [8]FAQ for additional information on this issue.
450 + Major revamp of GIV detection, combination and simplification
451 to improve loop performance.
452 + Major improvements to register allocation and reloading.
453 * New Languages and Language specific improvements
454 + [9]Many C++ improvements.
455 + [10]Many Fortran improvements.
456 + [11]Java front-end has been integrated. A [12]runtime library
457 is available separately.
458 + [13]ISO C99 support
459 + [14]Chill front-end and runtime has been integrated.
460 + Boehm garbage collector support in libobjc.
461 + More support for various pragmas which appear in vendor
463 * New Targets and Target Specific Improvements
464 + [15]Sparc backend rewrite.
465 + -mschedule=8000 will optimize code for PA8000 class
466 processors; -mpa-risc-2-0 will generate code for PA2.0
468 + Various micro-optimizations for the ia32 port. K6
470 + Compiler will attempt to align doubles in the stack on the
474 + RS6000/PowerPC: -mcpu=401 was added as an alias for
475 -mcpu=403. -mcpu=e603e was added to do -mcpu=603e and
481 + Support for new systems (OpenBSD, FreeBSD, UWIN, Interix,
483 + vxWorks targets include support for vxWorks threads
484 + StrongARM 110 and ARM9 support added. ARM Scheduling
485 parameters rewritten.
486 + Various changes to the MIPS port to avoid assembler macros,
488 + Various performance improvements to the i960 port.
489 + Major rewrite of ns32k port in turn improves performance
490 * Other significant improvements
491 + [16]Ability to dump cfg information and display it using vcg.
492 + The new faster scheme for fixing vendor header files is
494 + Experimental internationalization support.
495 + multibyte character support
496 + Some compile-time speedups for pathological problems
497 + Better support for complex types
498 * Plus the usual mountain of bugfixes
499 * Core compiler is based on the gcc2 development tree from Sept 30,
500 1998, so we have all of the [17]features found in GCC 2.8.
501 _________________________________________________________________
505 Last modified 2001-02-12
509 1. http://gcc.gnu.org/news/spill.html
510 2. http://gcc.gnu.org/news/lcm.html
511 3. http://gcc.gnu.org/news/cprop.html
512 4. http://gcc.gnu.org/news/cfg.html
513 5. http://gcc.gnu.org/news/dse.html
514 6. http://gcc.gnu.org/news/hoist.html
515 7. http://gcc.gnu.org/news/alias.html
516 8. http://gcc.gnu.org/fom_serv/cache/24.html
517 9. http://gcc.gnu.org/gcc-2.95/c++features.html
518 10. http://gcc.gnu.org/onlinedocs/g77_news.html
519 11. http://sources.redhat.com/java/gcj-announce.txt
520 12. http://gcc.gnu.org/javaannounce.html
521 13. http://gcc.gnu.org/c99status.html
522 14. http://gcc.gnu.org/news/chill.html
523 15. http://gcc.gnu.org/news/sparc.html
524 16. http://gcc.gnu.org/news/egcs-vcg.html
525 17. http://gcc.gnu.org/egcs-1.0/features-2.8.html
526 18. http://gcc.gnu.org/about.html
527 ======================================================================
528 http://gcc.gnu.org/gcc-2.95/caveats.html
532 * GCC 2.95 will issue an error for invalid asm statements that had
533 been silently accepted by earlier versions of the compiler. This
534 is particularly noticeable when compiling older versions of the
535 Linux kernel (2.0.xx). Please refer to the [1]FAQ for more
536 information on this issue.
537 * GCC 2.95 implements type based alias analysis to disambiguate
538 memory references. Some programs, particularly the Linux kernel
539 violate ANSI/ISO aliasing rules and therefore may not operate
540 correctly when compiled with GCC 2.95. Please refer to the [2]FAQ
541 for more information on this issue.
542 * GCC 2.95 has a known bug in its handling of complex variables for
543 64bit targets. Instead of silently generating incorrect code, GCC
544 2.95 will issue a fatal error for situations it can not handle.
545 This primarily affects the Fortran community as Fortran makes more
546 use of complex variables than C or C++.
547 * GCC 2.95 has an integrated libstdc++, but does not have an
548 integrated libg++. Furthermore old libg++ releases will not work
549 with GCC 2.95. You can retrieve a recent copy of libg++ from the
551 Note most C++ programs only need libstdc++.
552 * Exception handling may not work with shared libraries,
553 particularly on alphas, hppas, rs6000/powerpc and mips based
554 platforms. Exception handling is known to work on x86 GNU/Linux
555 platforms with shared libraries.
556 * In general, GCC 2.95 is more rigorous about rejecting invalid C++
557 code or deprecated C++ constructs than G++ 2.7, G++ 2.8, EGCS 1.0,
558 or EGCS 1.1. As a result it may be necessary to fix C++ code
559 before it will compile with GCC 2.95.
560 * G++ is also converting toward the ISO C++ standard; as a result
561 code which was previously valid (and thus accepted by other
562 compilers and older versions of g++) may no longer be accepted.
563 The flag -fpermissive may allow some non-conforming code to
564 compile with GCC 2.95.
565 * GCC 2.95 compiled C++ code is not binary compatible with EGCS
566 1.1.x, EGCS 1.0.x or GCC 2.8.x.
567 * GCC 2.95 does not have changes from the GCC 2.8 tree that were
568 made between Sept 30, 1998 and April 30, 1999 (the official end of
569 the GCC 2.8 project). Future GCC releases will include all the
570 changes from the defunct GCC 2.8 sources.
571 _________________________________________________________________
575 Last modified 2001-02-12
579 1. http://gcc.gnu.org/faq.html#asmclobber
580 2. http://gcc.gnu.org/fom_serv/cache/24.html
581 3. ftp://gcc.gnu.org/pub/gcc/infrastructure/libg++-2.8.1.3.tar.gz
582 4. http://gcc.gnu.org/about.html
583 ======================================================================
584 http://gcc.gnu.org/egcs-1.1/egcs-1.1.2.html
590 We are pleased to announce the release of EGCS 1.1.2.
592 EGCS is a collaborative effort involving several groups of hackers
593 using an open development model to accelerate development and testing
594 of GNU compilers and runtime libraries.
596 EGCS 1.1.2 is a minor update to the EGCS 1.1.1 compiler to fix several
597 serious problems in EGCS 1.1.1.
598 * General improvements and fixes
599 + Fix bug in loop optimizer which caused the SPARC (and
600 potentially other) ports to segfault.
601 + Fix infinite recursion in alias analysis and combiner code.
602 + Fix bug in regclass preferencing.
603 + Fix incorrect loop reversal which caused incorrect code to be
604 generated for several targets.
605 + Fix return value for builtin memcpy.
606 + Reduce compile time for certain loops which exposed quadratic
607 behavior in the loop optimizer.
608 + Fix bug which caused volatile memory to be written multiple
609 times when only one write was needed/desired.
610 + Fix compiler abort in caller-save.c
611 + Fix combiner bug which caused incorrect code generation for
612 certain division by constant operations.
613 + Fix incorrect code generation due to a bug in range check
615 + Fix incorrect code generation due to mis-handling of
616 clobbered values in CSE.
617 + Fix compiler abort/segfault due to incorrect register
618 splitting when unrolling loops.
619 + Fix code generation involving autoincremented addresses with
621 + Work around bug in the scheduler which caused qt to be
622 mis-compiled on some platforms.
623 + Fix code generation problems with -fshort-enums.
624 + Tighten security for temporary files.
625 + Improve compile time for codes which make heavy use of
626 overloaded functions.
627 + Fix multiply defined constructor/destructor symbol problems.
628 + Avoid setting bogus RPATH environemnt variable during
630 + Avoid GNU-make dependencies in the texinfo subdir.
631 + Install CPP wrapper script in $(prefix)/bin if --enable-cpp.
632 --enable-cpp= can be used to specify an additional install
633 directory for the cpp wrapper script.
634 + Fix CSE bug which caused incorrect label-label refs to appear
636 + Avoid linking in EH routines from libgcc if they are not
638 + Avoid obscure bug in aliasing code.
639 + Fix bug in weak symbol handling.
640 * Platform-specific improvements and fixes
641 + Fix detection of PPro/PII on Unixware 7.
642 + Fix compiler segfault when building spec99 and other programs
644 + Fix code-generation bugs for integer and floating point
645 conditional move instructions on the PPro/PII.
646 + Use fixincludes to fix byteorder problems on i?86-*-sysv.
647 + Fix build failure for the arc port.
648 + Fix floating point format configuration for i?86-gnu port
649 + Fix problems with hppa1.0-hp-hpux10.20 configuration when
651 + Fix coldfire code generation bugs.
652 + Fix "unrecognized insn" problems for Alpha and PPC ports.
653 + Fix h8/300 code generation problem with floating point values
655 + Fix unrecognized insn problems for the m68k port.
656 + Fix namespace-pollution problem for the x86 port.
657 + Fix problems with old assembler on x86 NeXT systems.
658 + Fix PIC code-generation problems for the SPARC port.
659 + Fix minor bug with LONG_CALLS in PowerPC SVR4 support.
660 + Fix minor ISO namespace violation in Alpha varargs/stdarg
662 + Fix incorrect "braf" instruction usage for the SH port.
663 + Fix minor bug in va-sh which prevented its use with -ansi.
664 + Fix problems recognizing and supporting FreeBSD.
665 + Handle OpenBSD systems correctly.
666 + Minor fixincludes fix for Digital UNIX 4.0B.
667 + Fix problems with ctors/dtors in SCO shared libraries.
668 + Abort instead of generating incorrect code for PPro/PII
669 floating point conditional moves.
670 + Avoid multiply defined symbols on Linux/GNU systems using
672 + Fix abort in alpha compiler.
674 Fortran-specific fixes
675 * Fix the IDate intrinsic (VXT) (in libg2c) so the returned year is
676 in the documented, non-Y2K-compliant range of 0-99, instead of
677 being returned as 100 in the year 2000.
678 * Fix the `Date_and_Time' intrinsic (in libg2c) to return the
679 milliseconds value properly in Values(8).
680 * Fix the `LStat' intrinsic (in libg2c) to return device-ID
681 information properly in SArray(7).
683 An important goal of EGCS is to allow wide scale testing of new
684 features and optimizations which are still under development. However,
685 EGCS has been carefully tested and should be comparable in quality to
688 EGCS 1.1.2 is based on the June 6, 1998 snapshot of the GCC 2.8
689 development sources; it contains all of the new features found in GCC
690 2.8.1 as well as all new development from gcc2 up to June 6, 1998.
692 See the [1]new features page for a more complete list of new features
693 found in EGCS 1.1 releases.
695 The EGCS 1.1.2 release includes installation instructions in both HTML
696 and plaintext forms (see the INSTALL directory in the toplevel
697 directory of the EGCS 1.1.2 distribution). However, we also keep the
698 most up to date [2]installation instructions and [3]build/test status
699 on our web page. We will update those pages as new information becomes
702 The EGCS project would like to thank the numerous people that have
703 contributed new features, test results, bugfixes, etc. This [4]amazing
704 group of volunteers is what makes EGCS successful.
706 And finally, we can't in good conscience fail to mention some
707 [5]caveats to using EGCS 1.1.2. [6]Download EGCS 1.1.2 from
708 egcs.cygnus.com (USA California) -->
710 [7]Download EGCS 1.1.2 from go.cygnus.com (USA California - High speed
711 link provided by Stanford)
713 The EGCS 1.1.2 release is also available on many [8]mirror sites.
714 _________________________________________________________________
716 Last modified on July 28, 1999.
720 1. http://gcc.gnu.org/egcs-1.1/features.html
721 2. http://gcc.gnu.org/install/index.html
722 3. http://gcc.gnu.org/egcs-1.1/buildstat.html
723 4. http://gcc.gnu.org/thanks.html
724 5. http://gcc.gnu.org/egcs-1.1/caveats.html
725 6. ftp://egcs.cygnus.com/pub/egcs/releases/index.html
726 7. ftp://go.cygnus.com/pub/sourceware.cygnus.com/pub/egcs/releases/index.html
727 8. http://gcc.gnu.org/mirrors.html
728 ======================================================================
729 http://gcc.gnu.org/egcs-1.1/egcs-1.1.1.html
735 We are pleased to announce the release of EGCS 1.1.1.
737 EGCS is a collaborative effort involving several groups of hackers
738 using an open development model to accelerate development and testing
739 of GNU compilers and runtime libraries.
741 EGCS 1.1.1 is a minor update to the EGCS 1.1 compiler to fix several
742 serious problems in EGCS 1.1.
743 * General improvements and fixes
744 + Avoid some stack overflows when compiling large functions.
745 + Avoid incorrect loop invariant code motions.
746 + Fix some core dumps on Linux kernel code.
747 + Bring back the imake -Di386 and friends fix from EGCS 1.0.2.
748 + Fix code generation problem in gcse.
749 + Various documentation related fixes.
750 * g++/libstdc++ improvements and fixes
751 + MT safe EH fix for setjmp/longjmp based exception handling.
752 + Fix a few bad interactions between optimization and exception
754 + Fixes for demangling of template names starting with "__".
755 + Fix a bug that would fail to run destructors in some cases
757 + Fix 'new' of classes with virtual bases.
758 + Fix crash building Qt on the Alpha.
759 + Fix failure compiling WIFEXITED macro on GNU/Linux.
760 + Fix some -frepo failures.
761 * g77 and libf2c improvements and fixes
762 + Various documentation fixes.
763 + Avoid compiler crash on RAND intrinsic.
764 + Fix minor bugs in makefiles exposed by BSD make programs.
765 + Define _XOPEN_SOURCE for libI77 build to avoid potential
766 problems on some 64-bit systems.
767 + Fix problem with implicit endfile on rewind.
768 + Fix spurious recursive I/O errors.
769 * platform specific improvements and fixes
770 + Match all versions of UnixWare7.
771 + Do not assume x86 SVR4 or UnixWare targets can handle stabs
772 + Fix PPC/RS6000 LEGITIMIZE_ADDRESS macro and bug in conversion
773 from unsigned ints to double precision floats.
774 + Fix ARM ABI issue with NetBSD.
775 + Fix a few arm code generation bugs.
776 + Fixincludes will fix additional broken SCO OpenServer header
778 + Fix a m68k backend bug which caused invalid offsets in reg+d
780 + Fix problems with 64bit AIX 4.3 support.
781 + Fix handling of long longs for varargs/stdarg functions on
783 + Minor fixes to CPP predefines for Windows.
784 + Fix code generation problems with gpr<->fpr copies for 64bit
786 + Fix a few coldfire code generation bugs.
787 + Fix some more header file problems on SunOS 4.x
788 + Fix assert.h handling for RTEMS.
789 + Fix Windows handling of TREE_SYMBOL_REFERENCED.
790 + Fix x86 compiler abort in reg-stack pass.
791 + Fix cygwin/windows problem with section attributes.
792 + Fix Alpha code generation problem exposed by SMP Linux
794 + Fix typo in m68k 32->64bit integer conversion.
795 + Make sure target libraries build with -fPIC for PPC & Alpha
798 An important goal of EGCS is to allow wide scale testing of new
799 features and optimizations which are still under development. However,
800 EGCS has been carefully tested and should be comparable in quality to
803 EGCS 1.1.1 is based on the June 6, 1998 snapshot of the GCC 2.8
804 development sources; it contains all of the new features found in GCC
805 2.8.1 as well as all new development from gcc2 up to June 6, 1998.
807 See the [1]new features page for a more complete list of new features
808 found in EGCS 1.1 releases.
810 The EGCS 1.1.1 release includes installation instructions in both HTML
811 and plaintext forms (see the INSTALL directory in the toplevel
812 directory of the EGCS 1.1.1 distribution). However, we also keep the
813 most up to date [2]installation instructions and [3]build/test status
814 on our web page. We will update those pages as new information becomes
817 The EGCS project would like to thank the numerous people that have
818 contributed new features, test results, bugfixes, etc. This [4]amazing
819 group of volunteers is what makes EGCS successful.
821 And finally, we can't in good conscience fail to mention some
822 [5]caveats to using EGCS 1.1.1.
824 [6]Download EGCS 1.1.1 from egcs.cygnus.com (USA California)
826 The EGCS 1.1.1 release is also available on many mirror sites.
827 [7]Goto mirror list to find a closer site
828 _________________________________________________________________
830 Last modified on July 28, 1999.
834 1. http://gcc.gnu.org/egcs-1.1/features.html
835 2. http://gcc.gnu.org/install/index.html
836 3. http://gcc.gnu.org/egcs-1.1/buildstat.html
837 4. http://gcc.gnu.org/thanks.html
838 5. http://gcc.gnu.org/egcs-1.1/caveats.html
839 6. ftp://egcs.cygnus.com/pub/egcs/releases/index.html
840 7. http://gcc.gnu.org/mirrors.html
841 ======================================================================
842 http://gcc.gnu.org/egcs-1.1/egcs-1.1.html
848 We are pleased to announce the release of EGCS 1.1.
850 EGCS is a free software project to further the development of the GNU
851 compilers using an open development environment.
853 EGCS 1.1 is a major new release of the EGCS compiler system. It has
854 been [1]extensively tested and is believed to be stable and suitable
857 EGCS 1.1 is based on an June 6, 1998 snapshot of the GCC 2.8
858 development sources; it contains all of the new features found in GCC
859 2.8.1 as well as all new development from GCC up to June 6, 1998.
861 EGCS also contains many improvements and features not found in GCC or
862 in older versions of EGCS.
863 * Global common subexpression elimination and global constant/copy
864 propagation (aka [2]gcse)
865 * Ongoing improvements to the [3]alias analysis support to allow for
866 better optimizations throughout the compiler.
867 * Vastly improved [4]C++ compiler and integrated C++ runtime
869 * Fixes for the /tmp symlink race security problems.
870 * New targets including mips16, arm-thumb and 64 bit PowerPC.
871 * Improvements to GNU Fortran (g77) compiler and runtime library
872 made since [5]g77 version 0.5.23.
874 See the [6]new features page for a more complete list of new features
875 found in EGCS 1.1 releases.
877 The EGCS 1.1 release includes installation instructions in both HTML
878 and plaintext forms (see the INSTALL directory in the toplevel
879 directory of the EGCS 1.1 distribution). However, we also keep the
880 most up to date [7]installation instructions and [8]build/test status
881 on our web page. We will update those pages as new information becomes
884 The EGCS project would like to thank the numerous people that have
885 contributed new features, test results, bugfixes, etc. This [9]amazing
886 group of volunteers is what makes EGCS successful.
888 And finally, we can't in good conscience fail to mention some
889 [10]caveats to using EGCS 1.1.
891 [11]Download EGCS 1.1 from egcs.cygnus.com (USA California)
893 [12]Download EGCS 1.1 from go.cygnus.com (USA California -- High speed
894 link provided by Stanford)
896 The EGCS 1.1 release is also available on many mirror sites.
897 [13]Goto mirror list to find a closer site
898 _________________________________________________________________
900 Last modified on September 4, 1999.
904 1. http://gcc.gnu.org/egcs-1.1/egcs-1.1-test.html
905 2. http://gcc.gnu.org/news/gcse.html
906 3. http://gcc.gnu.org/news/alias.html
907 4. http://gcc.gnu.org/egcs-1.1/c++features.html
908 5. http://gcc.gnu.org/onlinedocs/g77_news.html
909 6. http://gcc.gnu.org/egcs-1.1/features.html
910 7. http://gcc.gnu.org/install/index.html
911 8. http://gcc.gnu.org/egcs-1.1/buildstat.html
912 9. http://gcc.gnu.org/thanks.html
913 10. http://gcc.gnu.org/egcs-1.1/caveats.html
914 11. ftp://egcs.cygnus.com/pub/egcs/releases/index.html
915 12. ftp://go.cygnus.com/pub/sourceware.cygnus.com/pub/egcs/releases/index.html
916 13. http://gcc.gnu.org/mirrors.html
917 ======================================================================
918 http://gcc.gnu.org/egcs-1.1/features.html
920 EGCS 1.1 new features
922 * Integrated GNU Fortran (g77) compiler and runtime library with
923 improvements, based on [1]g77 version 0.5.23.
924 * Vast improvements in the C++ compiler; so many they have [2]page
926 * Compiler implements [3]global common subexpression elimination and
927 global copy/constant propagation.
928 * More major improvements in the [4]alias analysis code.
929 * More major improvements in the exception handling code to improve
930 performance, lower static overhead and provide the infrastructure
931 for future improvements.
932 * The infamous /tmp symlink race security problems have been fixed.
933 * The regmove optimization pass has been nearly completely rewritten
934 to improve performance of generated code.
935 * The compiler now recomputes register usage information before
936 local register allocation. By providing more accurate information
937 to the priority based allocator, we get better register
939 * The register reloading phase of the compiler optimizes spill code
940 much better than in previous releases.
941 * Some bad interactions between the register allocator and
942 instruction scheduler have been fixed, resulting in much better
943 code for certain programs. Additionally, we have tuned the
944 scheduler in various ways to improve performance of generated code
945 for some architectures.
946 * The compiler's branch shortening algorithms have been
947 significantly improved to work better on targets which align jump
949 * The compiler now supports -Os to prefer optimizing for code space
950 over optimizing for code speed.
951 * The compiler will now totally eliminate library calls which
952 compute constant values. This primarily helps targets with no
953 integer div/mul support and targets without floating point
955 * The compiler now supports an extensive "--help" option.
956 * cpplib has been greatly improved and may be suitable for limited
958 * Memory footprint for the compiler has been significantly reduced
959 for some pathological cases.
960 * The time to build EGCS has been improved for certain targets
961 (particularly the alpha and mips platforms).
962 * Many infrastructure improvements throughout the compiler, plus the
963 usual mountain of bugfixes and minor improvements.
964 * Target dependent improvements:
965 + SPARC port now includes V8 plus and V9 support as well as
966 performance tuning for Ultra class machines. The SPARC port
967 now uses the Haifa scheduler.
968 + Alpha port has been tuned for the EV6 processor and has an
969 optimized expansion of memcpy/bzero. The Alpha port now uses
971 + RS6000/PowerPC: EGCS 1.1 includes support for the Power64
972 architecture and aix4.3 support. The RS6000/PowerPC port now
973 uses the Haifa scheduler.
974 + x86: Alignment of static store data and jump targets is per
975 Intel recommendations now. Various improvements throughout
976 the x86 port to improve performance on Pentium processors.
977 Conditional move support has been fixed and enabled for PPro
978 processors. The x86 port also better supports 64bit
980 + MIPS has improved multiply/multiply-add support and now
981 includes mips16 ISA support.
982 + M68k has many micro-optimizations and Coldfire fixes.
983 * Core compiler is based on the GCC development tree from June 9,
984 1998, so we have all of the [5]features found in GCC 2.8.
986 [6]Return to the EGCS home page
988 Last modified: September 4, 1999
992 1. http://gcc.gnu.org/onlinedocs/g77_news.html
993 2. http://gcc.gnu.org/egcs-1.1/c++features.html
994 3. http://gcc.gnu.org/news/gcse.html
995 4. http://gcc.gnu.org/news/alias.html
996 5. http://gcc.gnu.org/egcs-1.0/features-2.8.html
997 6. http://gcc.gnu.org/index.html
998 ======================================================================
999 http://gcc.gnu.org/egcs-1.1/caveats.html
1003 * EGCS has an integrated libstdc++, but does not have an integrated
1004 libg++. Furthermore old libg++ releases will not work with EGCS;
1005 HJ Lu has made a [1]libg++ snapshot available which may work with
1007 Note most C++ programs only need libstdc++.
1008 * Exception handling may not work with shared libraries,
1009 particularly on alphas, hppas, rs6000/powerpc and mips based
1010 platforms. Exception handling is known to work on x86-linux
1011 platforms with shared libraries.
1012 * Some versions of the Linux kernel have bugs which prevent them
1013 from being compiled or from running when compiled by EGCS. See
1014 [2]the FAQ for additional information.
1015 * In general, EGCS is more rigorous about rejecting invalid C++ code
1016 or deprecated C++ constructs than g++-2.7, g++-2.8 or EGCS 1.0. As
1017 a result it may be necessary to fix C++ code before it will
1019 * G++ is also converting toward the ISO C++ standard; as a result
1020 code which was previously valid (and thus accepted by other
1021 compilers and older versions of g++) may no longer be accepted.
1022 * EGCS 1.1 compiled C++ code is not binary compatible with EGCS
1023 1.0.x or GCC 2.8.x due to changes necessary to support thread safe
1026 [3]Return to the GCC home page
1028 Last modified: July 28, 1999
1032 1. ftp://ftp.yggdrasil.com/private/hjl/libg++-2.8.1.2.tar.gz
1033 2. http://gcc.gnu.org/fom_serv/cache/24.html
1034 3. http://gcc.gnu.org/index.html
1035 ======================================================================
1036 http://gcc.gnu.org/egcs-1.0/egcs-1.0.3.html
1042 We are pleased to announce the release of EGCS 1.0.3.
1044 EGCS is a collaborative effort involving several groups of hackers
1045 using an open development model to accelerate development and testing
1046 of GNU compilers and runtime libraries.
1048 EGCS 1.0.3 is a minor update to the EGCS 1.0.2 compiler to fix a few
1049 problems reported by Red Hat for builds of Red Hat 5.1.
1051 + Fix a typo in the libio library which resulted in incorrect
1052 behavior of istream::get.
1053 + Fix the Fortran negative array index problem.
1054 + Fix a major problem with the ObjC runtime thread support
1056 + Reduce memory consumption of the Haifa scheduler.
1057 * Target specific bugfixes:
1058 + Fix one x86 floating point code generation bug exposed by
1060 + Fix one x86 internal compiler error exposed by glibc2 builds.
1061 + Fix profiling bugs on the Alpha.
1062 + Fix ImageMagick & emacs 20.2 build problems on the Alpha.
1063 + Fix rs6000/ppc bug when converting values from integer types
1064 to floating point types.
1066 An important goal of EGCS is to allow wide scale testing of new
1067 features and optimizations which are still under development. However,
1068 EGCS has been carefully tested and should be comparable in quality to
1071 EGCS 1.0.3 is based on an August 2, 1997 snapshot of the GCC 2.8
1072 development sources; it contains nearly all of the new features found
1075 EGCS also contains many improvements and features not found in GCC 2.7
1077 * Integrated C++ runtime libraries, including support for most major
1079 * The integrated libstdc++ library includes a verbatim copy of
1080 [1]SGI's STL release instead of a modified copy.
1081 * Integrated GNU Fortran compiler
1082 * New instruction scheduler
1083 * New alias analysis code
1085 See the [2]new features page for a more complete list of new features
1086 found in EGCS 1.0.x releases.
1088 The EGCS 1.0.3 release includes installation instructions in both HTML
1089 and plaintext forms (see the INSTALL directory in the toplevel
1090 directory of the EGCS 1.0.3 distribution). However, we also keep the
1091 most up to date [3]installation instructions and [4]build/test status
1092 on our web page. We will update those pages as new information becomes
1095 And, we can't in good conscience fail to mention some [5]caveats to
1098 Update: Big thanks to Stanford for providing a high speed link for
1099 downloading EGCS (go.cygnus.com)!
1101 [6]Download EGCS 1.0.3 from ftp.cygnus.com (USA California)
1103 [7]Download EGCS 1.0.3 from go.cygnus.com (USA California -- High
1104 speed link provided by Stanford)
1106 The EGCS 1.0.3 release is also available on many mirror sites.
1107 [8]Goto mirror list to find a closer site
1109 We'd like to thank the numerous people that have contributed new
1110 features, test results, bugfixes, etc. Unfortunately, they're far too
1111 numerous to mention by name.
1112 _________________________________________________________________
1114 Last modified on February 22, 1999.
1118 1. http://www.sgi.com/Technology/STL
1119 2. http://gcc.gnu.org/egcs-1.0/features.html
1120 3. http://gcc.gnu.org/install/index.html
1121 4. http://gcc.gnu.org/egcs-1.0/buildstat.html
1122 5. http://gcc.gnu.org/egcs-1.0/caveats.html
1123 6. ftp://egcs.cygnus.com/pub/egcs/releases/index.html
1124 7. ftp://go.cygnus.com/pub/sourceware.cygnus.com/pub/egcs/releases/index.html
1125 8. http://gcc.gnu.org/mirrors.html
1126 ======================================================================
1127 http://gcc.gnu.org/egcs-1.0/egcs-1.0.2.html
1133 We are pleased to announce the release of EGCS 1.0.2.
1135 EGCS is a collaborative effort involving several groups of hackers
1136 using an open development model to accelerate development and testing
1137 of GNU compilers and runtime libraries.
1139 EGCS 1.0.2 is a minor update to the EGCS 1.0.1 compiler to fix several
1140 serious problems in EGCS 1.0.1.
1141 * General improvements and fixes
1142 + Memory consumption significantly reduced, especially for
1143 templates and inline functions.
1144 + Fix various problems with glibc2.1.
1145 + Fix loop optimization bug exposed by rs6000/ppc port.
1146 + Fix to avoid potential code generation problems in jump.c.
1147 + Fix some undefined symbol problems in dwarf1 debug support.
1148 * g++/libstdc++ improvements and fixes
1149 + libstdc++ in the EGCS release has been updated and should be
1150 link compatible with libstdc++-2.8.
1151 + Various fixes in libio/libstdc++ to work better on Linux
1153 + Fix problems with duplicate symbols on systems that do not
1154 support weak symbols.
1155 + Memory corruption bug and undefined symbols in bastring have
1157 + Various exception handling fixes.
1158 + Fix compiler abort for very long thunk names.
1159 * g77 improvements and fixes
1160 + Fix compiler crash for omitted bound in Fortran CASE
1162 + Add missing entries to g77 lang-options.
1163 + Fix problem with -fpedantic in the g77 compiler.
1164 + Fix "backspace" problem with g77 on alphas.
1165 + Fix x86 backend problem with Fortran literals and -fpic.
1166 + Fix some of the problems with negative subscripts for g77 on
1168 + Fixes for Fortran builds on cygwin32/mingw32.
1169 * platform specific improvements and fixes
1170 + Fix long double problems on x86 (exposed by glibc)
1171 + x86 ports define i386 again to keep imake happy.
1172 + Fix exception handling support on NetBSD ports.
1173 + Several changes to collect2 to fix many problems with AIX.
1174 + Define __ELF__ for rs6000/linux.
1175 + Fix -mcall-linux problem on rs6000/linux.
1176 + Fix stdarg/vararg problem for rs6000/linux.
1177 + Allow autoconf to select a proper install problem on AIX 3.1.
1178 + m68k port support includes -mcpu32 option as well as cpu32
1180 + Fix stdarg bug for irix6.
1181 + Allow EGCS to build on irix5 without the gnu assembler.
1182 + Fix problem with static linking on sco5.
1183 + Fix bootstrap on sco5 with native compiler.
1184 + Fix for abort building newlib on H8 target.
1185 + Fix fixincludes handling of math.h on SunOS.
1186 + Minor fix for motorola 3300 m68k systems.
1188 An important goal of EGCS is to allow wide scale testing of new
1189 features and optimizations which are still under development. However,
1190 EGCS has been carefully tested and should be comparable in quality to
1193 EGCS 1.0.2 is based on an August 2, 1997 snapshot of the GCC 2.8
1194 development sources; it contains nearly all of the new features found
1197 EGCS also contains many improvements and features not found in GCC 2.7
1199 * Integrated C++ runtime libraries, including support for most major
1201 * The integrated libstdc++ library includes a verbatim copy of
1202 [1]SGI's STL release.
1203 * Integrated GNU Fortran compiler
1204 * New instruction scheduler
1205 * New alias analysis code
1207 See the [2]new features page for a more complete list of new features
1208 found in EGCS 1.0.x releases.
1210 The EGCS 1.0.2 release includes installation instructions in both HTML
1211 and plaintext forms (see the INSTALL directory in the toplevel
1212 directory of the EGCS 1.0.2 distribution). However, we also keep the
1213 most up to date [3]installation instructions and [4]build/test status
1214 on our web page. We will update those pages as new information becomes
1217 And, we can't in good conscience fail to mention some [5]caveats to
1220 Update: Big thanks to Stanford for providing a high speed link for
1221 downloading EGCS (go.cygnus.com)!
1223 [6]Download EGCS 1.0.2 from ftp.cygnus.com (USA California)
1225 [7]Download EGCS 1.0.2 from go.cygnus.com (USA California -- High
1226 speed link provided by Stanford)
1228 The EGCS 1.0.2 release is also available on many mirror sites.
1229 [8]Goto mirror list to find a closer site
1231 We'd like to thank the numerous people that have contributed new
1232 features, test results, bugfixes, etc. Unfortunately, they're far too
1233 numerous to mention by name.
1234 _________________________________________________________________
1236 Last modified on July 28, 1999.
1240 1. http://www.sgi.com/Technology/STL/
1241 2. http://gcc.gnu.org/egcs-1.0/features.html
1242 3. http://gcc.gnu.org/install/index.html
1243 4. http://gcc.gnu.org/egcs-1.0/buildstat.html
1244 5. http://gcc.gnu.org/egcs-1.0/caveats.html
1245 6. ftp://egcs.cygnus.com/pub/egcs/releases/index.html
1246 7. ftp://go.cygnus.com/pub/sourceware.cygnus.com/pub/egcs/releases/index.html
1247 8. http://gcc.gnu.org/mirrors.html
1248 ======================================================================
1249 http://gcc.gnu.org/egcs-1.0/egcs-1.0.1.html
1255 We are pleased to announce the release of EGCS 1.0.1.
1257 EGCS is a collaborative effort involving several groups of hackers
1258 using an open development model to accelerate development and testing
1259 of GNU compilers and runtime libraries.
1261 EGCS 1.0.1 is a minor update to the EGCS 1.0 compiler to fix a few
1262 critical bugs and add support for Red Hat 5.0 Linux. Changes since the
1264 * Add support for Red Hat 5.0 Linux and better support for Linux
1265 systems using glibc2.
1266 Many programs failed to link when compiled with EGCS 1.0 on Red
1267 Hat 5.0 or on systems with newer versions of glibc2. EGCS 1.0.1
1268 should fix these problems.
1269 * Compatability with both EGCS 1.0 and GCC 2.8 libgcc exception
1270 handling interfaces.
1271 To avoid future compatibility problems, we strongly urge anyone
1272 who is planning on distributing shared libraries that contain C++
1273 code to upgrade to EGCS 1.0.1 first.
1274 Soon after EGCS 1.0 was released, the GCC developers made some
1275 incompatible changes in libgcc's exception handling interfaces.
1276 These changes were needed to solve problems on some platforms.
1277 This means that GCC 2.8.0, when released, will not be seamlessly
1278 compatible with shared libraries built by EGCS 1.0. The reason is
1279 that the libgcc.a in GCC 2.8.0 will not contain a function needed
1280 by the old interface.
1281 The result of this is that there may be compatibility problems
1282 with shared libraries built by EGCS 1.0 when used with GCC 2.8.0.
1283 With EGCS 1.0.1, generated code uses the new (GCC 2.8.0)
1284 interface, and libgcc.a has the support routines for both the old
1285 and the new interfaces (so EGCS 1.0.1 and EGCS 1.0 code can be
1286 freely mixed, and EGCS 1.0.1 and GCC 2.8.0 code can be freely
1288 The maintainers of GCC 2.x have decided against including seamless
1289 support for the old interface in 2.8.0, since it was never
1290 "official", so to avoid future compatibility problems we recommend
1291 against distributing any shared libraries built by EGCS 1.0 that
1292 contain C++ code (upgrade to 1.0.1 and use that).
1293 * Various bugfixes in the x86, hppa, mips, and rs6000/ppc backends.
1294 The x86 changes fix code generation errors exposed when building
1295 glibc2 and the Linux dynamic linker (ld.so).
1296 The hppa change fixes a compiler abort when configured for use
1298 The MIPS changes fix problems with the definition of LONG_MAX on
1299 newer systems, allow for command line selection of the target ABI,
1300 and fix one code generation problem.
1301 The rs6000/ppc change fixes some problems with passing structures
1302 to varargs/stdarg functions.
1303 * A few machine independent bugfixes, mostly to fix code generation
1304 errors when building Linux kernels or glibc.
1305 * Fix a few critical exception handling and template bugs in the C++
1307 * Fix Fortran namelist bug on alphas.
1308 * Fix build problems on x86-solaris systems.
1310 An important goal of EGCS is to allow wide scale testing of new
1311 features and optimizations which are still under development. However,
1312 EGCS has been carefully tested and should be comparable in quality to
1315 EGCS 1.0.1 is based on an August 2, 1997 snapshot of the GCC 2.8
1316 development sources; it contains nearly all of the new features found
1319 EGCS also contains many improvements and features not found in GCC 2.7
1320 and even the soon to be released GCC 2.8 compilers.
1321 * Integrated C++ runtime libraries, including support for most major
1323 * The integrated libstdc++ library includes a verbatim copy of
1324 [1]SGI's STL release.
1325 * Integrated GNU Fortran compiler
1326 * New instruction scheduler
1327 * New alias analysis code
1329 See the [2]new features page for a more complete list of new features
1330 found in EGCS 1.0.x releases.
1332 The EGCS 1.0.1 release includes installation instructions in both HTML
1333 and plaintext forms (see the INSTALL directory in the toplevel
1334 directory of the EGCS 1.0.1 distribution). However, we also keep the
1335 most up to date [3]installation instructions and [4]build/test status
1336 on our web page. We will update those pages as new information becomes
1339 And, we can't in good conscience fail to mention some [5]caveats to
1342 Update: Big thanks to Stanford for providing a high speed link for
1343 downloading EGCS (go.cygnus.com)!
1345 [6]Download EGCS 1.0.1 from ftp.cygnus.com (USA California)
1347 [7]Download EGCS 1.0.1 from go.cygnus.com (USA California -- High
1348 speed link provided by Stanford)
1350 The EGCS 1.0.1 release is also available on many mirror sites.
1351 [8]Goto mirror list to find a closer site
1353 We'd like to thank the numerous people that have contributed new
1354 features, test results, bugfixes, etc. Unfortunately, they're far too
1355 numerous to mention by name.
1356 _________________________________________________________________
1358 Last modified on July 28, 1999.
1362 1. http://www.sgi.com/Technology/STL/
1363 2. http://gcc.gnu.org/egcs-1.0/features.html
1364 3. http://gcc.gnu.org/install/index.html
1365 4. http://gcc.gnu.org/egcs-1.0/buildstat.html
1366 5. http://gcc.gnu.org/egcs-1.0/caveats.html
1367 6. ftp://egcs.cygnus.com/pub/egcs/releases/index.html
1368 7. ftp://go.cygnus.com/pub/sourceware.cygnus.com/pub/egcs/releases/index.html
1369 8. http://gcc.gnu.org/mirrors.html
1370 ======================================================================
1371 http://gcc.gnu.org/egcs-1.0/egcs-1.0.html
1377 We are pleased to announce the release of EGCS 1.0.
1379 EGCS is a collaborative effort involving several groups of hackers
1380 using an open development model to accelerate development and testing
1381 of GNU compilers and runtime libraries.
1383 An important goal of EGCS is to allow wide scale testing of
1384 experimental features and optimizations; therefore, EGCS contains some
1385 features and optimizations which are still under development. However,
1386 EGCS has been carefully tested and should be comparable in quality to
1389 EGCS 1.0 is based on an August 2, 1997 snapshot of the GCC 2.8
1390 development sources; it contains nearly all of the new features found
1393 EGCS 1.0 also contains many improvements and features not found in GCC
1394 2.7 and even the soon to be released GCC 2.8 compilers.
1395 * Integrated C++ runtime libraries, including support for most major
1397 * The integrated libstdc++ library includes a verbatim copy of
1398 [1]SGI's STL release.
1399 * Integrated GNU Fortran compiler
1400 * New instruction scheduler
1401 * New alias analysis code
1403 See the [2]new features page for a more complete list of new features.
1405 The EGCS 1.0 release includes installation instructions in both HTML
1406 and plaintext forms (see the INSTALL directory in the toplevel
1407 directory of the EGCS 1.0 distribution). However, we also keep the
1408 most up to date [3]installation instructions and [4]build/test status
1409 on our web page. We will update those pages as new information becomes
1412 And, we can't in good conscience fail to mention some [5]caveats to
1415 Update: The T1 into our main California offices has been 100%
1416 saturated since shortly after the release. We've added an EGCS 1.0
1417 mirror at our Massachusetts office to help share the load. We also
1418 encourage folks to use the many mirrors available throughout the
1421 Update: Big thanks to Stanford for providing a high speed link for
1422 downloading EGCS! (go.cygnus.com)
1424 [6]Download EGCS 1.0 from ftp.cygnus.com (USA California)
1426 [7]Download EGCS 1.0 from go.cygnus.com (USA California -- High speed
1427 link provided by Stanford)
1429 The EGCS 1.0 release should be available on most mirror sites by now.
1430 [8]Goto mirror list to find a closer site
1432 We'd like to thank the numerous people that have contributed new
1433 features, test results, bugfixes, etc. Unfortunately, they're far too
1434 numerous to mention by name.
1435 _________________________________________________________________
1437 Last modified on July 28, 1999.
1441 1. http://www.sgi.com/Technology/STL
1442 2. http://gcc.gnu.org/egcs-1.0/features.html
1443 3. http://gcc.gnu.org/install/index.html
1444 4. http://gcc.gnu.org/egcs-1.0/buildstat.html
1445 5. http://gcc.gnu.org/egcs-1.0/caveats.html
1446 6. ftp://egcs.cygnus.com/pub/egcs/releases/index.html
1447 7. ftp://go.cygnus.com/pub/sourceware.cygnus.com/pub/egcs/releases/index.html
1448 8. http://gcc.gnu.org/mirrors.html
1449 ======================================================================
1450 http://gcc.gnu.org/egcs-1.0/features.html
1454 * Core compiler is based on the gcc2 development tree from Aug 2,
1455 1997, so we have most of the [1]features found in GCC 2.8.
1456 * Integrated GNU Fortran compiler based on g77-0.5.22-19970929.
1457 * Vast improvements in the C++ compiler; so many they have [2]page
1459 * Integrated C++ runtime libraries, including support for most major
1461 * New instruction scheduler from IBM Haifa which includes support
1462 for function wide instruction scheduling as well as superscalar
1464 * Significantly improved alias analysis code.
1465 * Improved register allocation for two address machines.
1466 * Significant code generation improvements for Fortran code on
1468 * Various optimizations from the g77 project as well as improved
1470 * Dwarf2 debug format support for some targets.
1471 * egcs libstdc++ includes the SGI STL implementation without
1473 * As a result of these and other changes, egcs libstc++ is not
1474 binary compatible with previous releases of libstdc++.
1475 * Various new ports -- UltraSPARC, Irix6.2 & Irix6.3 support, The
1476 SCO Openserver 5 family (5.0.{0,2,4} and Internet FastStart 1.0
1477 and 1.1), Support for RTEMS on several embedded targets, Support
1478 for arm-linux, Mitsubishi M32R, Hitachi H8/S, Matsushita MN102 and
1479 MN103, NEC V850, Sparclet, Solaris & Linux on PowerPCs, etc.
1480 * Integrated testsuites for gcc, g++, g77, libstdc++ and libio.
1481 * RS6000/PowerPC ports generate code which can run on all
1482 RS6000/PowerPC variants by default.
1483 * -mcpu= and -march= switches for the x86 port to allow better
1484 control over how the x86 port generates code.
1485 * Includes the template repository patch (aka repo patch); note the
1486 new template code makes repo obsolete for ELF systems using gnu-ld
1488 * Plus the usual assortment of bugfixes and improvements.
1490 [3]Return to the egcs home page
1492 Last modified: July 28, 1999
1496 1. http://gcc.gnu.org/egcs-1.0/features-2.8.html
1497 2. http://gcc.gnu.org/egcs-1.0/c++features.html
1498 3. http://gcc.gnu.org/index.html
1499 ======================================================================
1500 http://gcc.gnu.org/egcs-1.0/caveats.html
1504 * EGCS has an integrated libstdc++, but does not have an integrated
1505 libg++. Furthermore old libg++ releases will not work with egc; HJ
1506 Lu has made a [1]libg++ snapshot available which may work with
1508 Note most C++ programs only need libstdc++.
1509 * Note that using -pedantic or -Wreturn-type can cause an explosion
1510 in the amount of memory needed for template-heavy C++ code, such
1511 as code that uses STL. Also note that -Wall includes
1512 -Wreturn-type, so if you use -Wall you will need to specify
1513 -Wno-return-type to turn it off.
1514 * Exception handling may not work with shared libraries,
1515 particularly on alphas, hppas, and mips based platforms. Exception
1516 handling is known to work on x86-linux platforms with shared
1518 * Some versions of the Linux kernel have bugs which prevent them
1519 from being compiled or from running when compiled by EGCS. See
1520 [2]the FAQ for additional information.
1521 * In general, EGCS is more rigorous about rejecting invalid C++ code
1522 or deprecated C++ constructs than G++ 2.7. As a result it may be
1523 necessary to fix C++ code before it will compile with EGCS.
1524 * G++ is also aggressively tracking the C++ standard; as a result
1525 code which was previously valid (and thus accepted by other
1526 compilers and older versions of G++) may no longer be accepted.
1527 * EGCS 1.0 may not work with Red Hat Linux 5.0 on all targets. EGCS
1528 1.0.x and later releases should work with Red Hat Linux 5.0.
1530 [3]Return to the GCC home page
1532 Last modified: August 27, 1998
1536 1. ftp://ftp.yggdrasil.com/private/hjl/libg++-2.8.1.2.tar.gz
1537 2. http://gcc.gnu.org/fom_serv/cache/24.html
1538 3. http://gcc.gnu.org/index.html
1539 ======================================================================