This file contains information about GCC releases which has been generated
automatically from the online release notes.  It covers releases of GCC
(and the former EGCS project) since EGCS 1.0, on the line of development
that led to GCC 3. For information on GCC 2.8.1 and older releases of GCC 2,
see ONEWS.

======================================================================
http://gcc.gnu.org/gcc-3.2/index.html

                                  GCC 3.2

   November 19, 2002

   The [1]GNU project and the GCC developers are pleased to announce the
   release of GCC 3.2.1.

   The links below still apply to GCC 3.2.1.

   August 14, 2002

   The [2]GNU project and the GCC developers are pleased to announce the
   release of GCC 3.2.

   GCC used to stand for the GNU C Compiler, but since the compiler
   supports several other languages aside from C, it now stands for the
   GNU Compiler Collection.

   A list of [3]successful builds is updated as new information becomes
   available.

   The GCC developers would like to thank the numerous people that have
   contributed [4]new features, improvements, bug fixes, and other
   changes as well as test results to GCC. This [5]amazing group of
   volunteers is what makes GCC successful.

   For additional information about GCC please refer to the [6]GCC
   project web site or contact the [7]GCC development mailing list.

   To obtain GCC please use [8]our mirror sites, one of the [9]GNU mirror
   sites, or [10]our CVS server.
     _________________________________________________________________
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [11]gnu@gnu.org. There
   are also [12]other ways to contact the FSF.

   These pages are maintained by [13]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [14]gcc@gnu.org or [15]gcc@gcc.gnu.org, send other
    questions to [16]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2002-11-18 [17]Valid XHTML 1.0 

References

   1. http://www.gnu.org/
   2. http://www.gnu.org/
   3. http://gcc.gnu.org/gcc-3.2/buildstat.html
   4. http://gcc.gnu.org/gcc-3.2/changes.html
   5. http://gcc.gnu.org/onlinedocs/gcc/Contributors.html
   6. http://gcc.gnu.org/index.html
   7. mailto:gcc@gcc.gnu.org
   8. http://gcc.gnu.org/mirrors.html
   9. http://www.gnu.org/order/ftp.html
  10. http://gcc.gnu.org/cvs.html
  11. mailto:gnu@gnu.org
  12. http://www.gnu.org/home.html#ContactInfo
  13. http://gcc.gnu.org/about.html
  14. mailto:gcc@gnu.org
  15. mailto:gcc@gcc.gnu.org
  16. mailto:gnu@gnu.org
  17. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/gcc-3.2/changes.html

         GCC 3.2 Release Series -- Changes, New Features, and Fixes

   The purpose of this release series is to provide a stable platform for
   OS distributors to use building their next releases. A primary
   objective was to stabilize the C++ ABI; we believe that the interface
   to the compiler and the C++ standard library are now stable.

   Be aware that C++ code compiled by GCC 3.2.x will not interoperate
   with code compiled by GCC 3.1.1 or earlier.

Frontend Enhancements

     * C/C++/Objective-C
          + The method of constructing the list of directories to be
            searched for header files has been revised. If a directory
            named by a -I option is a standard system include directory,
            the option is ignored to ensure that the default search order
            for system directories and the special treatment of system
            header files are not defeated.
          + The C and Objective-C compilers no longer accept the "Naming
            Types" extension (typedef foo = bar); it was already
            unavailable in C++. Code which uses it will need to be
            changed to use the "typeof" extension instead: typedef
            typeof(bar) foo. (We have removed this extension without a
            period of deprecation because it has caused the compiler to
            crash since version 3.0 and no one noticed until very
            recently. Thus we conclude it is not in widespread use.)
     * C++
          + There are now no known differences between the C++ ABI
            implemented in GCC and the multi-vendor standard. We believe
            that the ABI for the C++ standard library is now stable and
            will not change in future versions of the compiler. However,
            hard experience has taught us to be cautious; it is possible
            that more problems will be found. It is our intention to make
            changes to the ABI only if they are necessary for correct
            compilation of C++, as opposed to conformance to the ABI
            documents.
          + For details on how to build an ABI compliant compiler for
            GNU/Linux systems, check the [1]common C++ ABI page.

New Targets and Target Specific Improvements

     * IA-32
          + Fixed a number of bugs in SSE and MMX intrinsics.
          + Fixed common compiler crashes with SSE instruction set
            enabled (implied by -march=pentium3, pentium4, athlon-xp)
          + __m128 and __m128i is not 128bit aligned when used in
            structures.
     * x86-64
          + A bug whereby the compiler could generate bad code for bzero
            has been fixed.
          + ABI fixes (implying ABI incompatibilities with previous
            version in some corner cases)
          + Fixed prefetch code generation

Caveats

     * The C++ compiler does not correctly zero-initialize
       pointers-to-data members. You must explicitly initialize them. For
       example: int S::*m(0); will work, but depending on
       default-initialization to zero will not work. This bug cannot be
       fixed in GCC 3.2 without inducing unacceptable risks. It will be
       fixed in GCC 3.3.
     * This GCC release is based on the GCC 3.1 sourcebase, and thus has
       all the [2]changes in the GCC 3.1 series. In addition, GCC 3.2 has
       a number of C++ ABI fixes which make its C++ compiler generate
       binary code which is incompatible with the C++ compilers found in
       earlier GCC releases, including GCC 3.1 and GCC 3.1.1.

                                 GCC 3.2.2

Miscellaneous Improvements

     * As of 3.2.2, the Makefile suite supports redirection of make
       install by means of the DESTDIR variable.

                                 GCC 3.2.1

   3.2.1 adds a new warning, -Wabi. This option warns when GNU C++
   generates code that is known not to be binary-compatible with the
   vendor-neutral ia32/ia64 ABI. Please consult the GCC manual, included
   in the distribution, for details.

   This release also removes an old GCC extension, "naming types", and
   the documentation now directs users to use a different GCC extension,
   __typeof__, instead. The feature had evidently been broken for a
   while.

   Otherwise, 3.2.1 is a bug fix release only; other than bug fixes and
   the new warning there are no new features that were not present in GCC
   3.2.

   In addition, the previous fix for [3]PR 7445 (poor performance of
   std::locale::classic() in multi-threaded applications) was reverted
   ("unfixed"), because the "fix" was not thread-safe.

Bug Fixes

   This document lists the problem reports (PRs) from GCC's bug tracking
   system ([4]GNATS) that are known to be fixed in the 3.2.1 release.
   This list might not be complete (that is, it is possible that some PRs
   that have been fixed are not listed here). As you can see, the number
   of bug fixes is quite large, so it is strongly recommended that users
   of earlier gcc 3.x releases upgrade to GCC 3.2.1.
     * Internal Compiler Errors (multi-platform)
          + [5]2521: (c++) ICE in build_ptrmemfunc, in cp/typeck.c
          + [6]5661: (c++) ICE instantiating template on array of unknown
            size (bad code)
          + [7]6419: (c++) ICE in make_decl_rtl for "longest" attribute
            on 64-bit platforms
          + [8]6994: (c++) ICE in find_function_data
          + [9]7150: preprocessor: GCC -dM -E gives an ICE
          + [10]7160: ICE when optimizing branches without a return value
          + [11]7228: (c++) ICE when using member template and template
            function
          + [12]7266: (c++) ICE with -pedantic on missing typename
          + [13]7353: ICE from use of "Naming Types" extension, see above
          + [14]7411: ICE in instantiate_virtual_regs_1, in function.c
          + [15]7478: (c++) ICE on static_cast inside template
          + [16]7526: preprocessor core dump when _Pragma implies #pragma
            dependency
          + [17]7721: (c++) ICE on simple (but incorrect) template
            ([18]7803 is a duplicate)
          + [19]7754: (c++) ICE on union with template parameter
          + [20]7788: (c++) redeclaring a definition as an incomplete
            class causes ICE
          + [21]8031: (c++) ICE in comptypes, in cp/typeck.c
          + [22]8055: preprocessor dies with SIG11 when building FreeBSD
            kernel
          + [23]8067: (c++) ICE due to mishandling of __FUNCTION__ and
            related variables
          + [24]8134: (c++) ICE in force_store_init_value on legal code
          + [25]8149: (c++) ICE on incomplete type
          + [26]8160: (c++) ICE in build_modify_expr, in cp/typeck.c:
            array initialization
     * C++ (compiler and library) bugs
          + [27]5607: No pointer adjustment in covariant return types
          + [28]6579: Infinite loop with statement expressions in member
            initialization
          + [29]6803: Default copy constructor bug in GCC 3.1
          + [30]7176: g++ confused by friend and static member with same
            name
          + [31]7188: Segfault with template class and recursive
            (incorrect) initializer list
          + [32]7306: Regression: GCC 3.x fails to compile code with
            virtual inheritance if a method has a variable number of
            arguments
          + [33]7461: ctype<char>::classic_table() returns offset array
            on Cygwin
          + [34]7524: f(const float arg[3]) fails
          + [35]7584: Erroneous ambiguous base error on using declaration
          + [36]7676: Member template overloading problem
          + [37]7679: infinite loop when a right parenthesis is missing
          + [38]7811: default locale not taken from environment
          + [39]7961: compare( char *) implemented incorrectly in
            basic_string<>
          + [40]8071: basic_ostream::operator<<(streambuf*) loops forever
            if streambuf::underflow() leaves gptr() NULL (dups: [41]8127,
            [42]6745)
          + [43]8096: deque::at() throws std::range_error instead of
            std::out_of_range
          + [44]8127: cout << cin.rdbuf() infinite loop
          + [45]8218: Excessively large memory consumed for classes with
            large array members
          + [46]8287: GCC 3.2: Destructor called for non-constructed
            local object
          + [47]8347: empty vector range used in string construction
            causes core dump
          + [48]8348: fail() flag is set in istringstream when eof() flag
            is set
          + [49]8391: regression: infinite loop in
            cp/decl2.c(finish_file)
     * C and optimizer bugs
          + [50]6627: -fno-align-functions doesn't seem to disable
            function alignment
          + [51]6631: life_analysis misoptimizes code to initialize
            fields of a structure
          + [52]7102: unsigned char division results in floating
            exception
          + [53]7120: Run once loop should *always* be unrolled
            (pessimization)
          + [54]7209: Bug involving array referencing and ?: operator
          + [55]7515: invalid inlining of global function with -O3
          + [56]7814: incorrect scheduling for glibc-2.2.92 strcpy test
          + [57]8467: bug in sibling call optimization
     * Preprocessor bugs
          + [58]4890: incorrect line markers from the traditional
            preprocessor
          + [59]7357: -M option omits system headers files (making it the
            same as -MM)
          + [60]7358: Changes to Sun's make Dependencies
          + [61]7602: C++ header files found in CPLUS_INCLUDE_PATH
            treated as C headers
          + [62]7862: Interrupting GCC -MD removes .d file but not .o
          + [63]8190: Failed compilation deletes -MD dependency file
          + [64]8524: _Pragma within macro is improperly expanded
     * x86 specific (Intel/AMD)
          + [65]5351: (i686-only) function pass-by-value structure copy
            corrupts stack ([66]7591 is a duplicate)
          + [67]6845, [68]7034, [69]7124, [70]7174: ICE's with
            -march=pentium3/pentium2/athlon (these are all the same
            underlying bug, in MMX register use)
          + [71]7134, [72]7375, [73]7390: ICE with -march=athlon (maybe
            same as above?)
          + [74]6890: xmmintrin.h, _MM_TRANSPOSE4_PS is broken
          + [75]6981: wrong code in 64-bit manipulation on x86
          + [76]7242: GCC -mcpu=pentium[23] doesn't define
            __tune_pentiumpro__ macro
          + [77]7396: ix86: cmpgt_ss, cmpge_ss, cmpngt_ss, and cmpnge_ss
            SSE intrinsics are broken
          + [78]7630: GCC 3.2 breaks on Mozilla 1.0's JS sources with
            -march=pentium4
          + [79]7693: Typo in i386 mmintrin.h header
          + [80]7723: ICE - Pentium3 sse - GCC 3.2
          + [81]7951: ICE on -march=pentium4 -O2 -mfpmath=sse
          + [82]8146: (i686 only) gcc 3.2 miscompiles gcc 2.95.3
     * PowerPC specific
          + [83]5967: GCC bug when profiling nested functions on powerpc
          + [84]6984: wrong code generated with -O2, -O3, -Os for
            do-while loop on PowerPC
          + [85]7114: PowerPC: ICE building strcoll.op from glibc-2.2.5
          + [86]7130: miscompiled code for GCC-3.1 in powerpc linux with
            -funroll-all-loops
          + [87]7133: PowerPC ICE: unrecognizable insn
          + [88]7380: ICE in extract_insn, at recog.c:2148
          + [89]8252: ICE on Altivec code with optimization turned on
          + [90]8451: Altivec ICE in GCC 3.2
     * HP/PA specific
          + [91]7250: __ashrdi3 returns wrong value on 32 bit hppa
     * SPARC specific
          + [92]6668: when using --disable-multilib, libgcc_s.so is
            installed in the wrong place on sparc-solaris
          + [93]7151: ICE when compiling for UltraSPARC
          + [94]7335: SPARC: ICE in verify_wide_reg (flow.c:557) with
            long double and -O1
          + [95]7842: [REGRESSION] SPARC code gen bug
     * ARM specific
          + [96]7856: [arm] invalid offset in constant pool reference
          + [97]7967: optimization produces wrong code (ARM)
     * Alpha specific
          + [98]7374: __builtin_fabsl broken on alpha
     * IBM s390 specific
          + [99]7370: ICE in fixup_var_refs_1 on s390x
          + [100]7409: loop optimization bug on s390x-linux-gnu
          + [101]8232: s390x: ICE when using bcmp with int length
            argument
     * SCO specific
          + [102]7623: SCO OpenServer build fails with machmode.def:
            undefined symbol: BITS_PER_UNIT
     * m68k/Coldfire specific
          + [103]8314: crtbegin, crtend need to be multilib'ed for this
            platform
     * Documentation
          + [104]761: Document some undocumented options
          + [105]5610: Fix documentation about invoking SSE instructions
            (-mfpmath=sse)
          + [106]7484: List -Wmissing-declarations as C-only option
          + [107]7531: -mcmodel not documented for x86-64
          + [108]8120: Update documentation of bad use of ##

                                  GCC 3.2

   3.2 is a small bug fix release, but there is a change to the
   application binary interface (ABI), hence the change to the second
   part of the version number.

   The main purpose of the 3.2 release is to correct a couple of problems
   in the C++ ABI, with the intention of providing a stable interface
   going forward.  Accordingly, 3.2 is only a small change to 3.1.1.

Bug Fixes

     * C++
          + [109]7320: g++ 3.2 relocation problem
          + [110]7470: vtable: virtual function pointers not in
            declaration order
     * libstdc++
          + [111]6410: Trouble with non-ASCII monetary symbols and
            wchar_t
          + [112]6503, [113]6642, [114]7186: Problems with comparing or
            subtracting various types of const and non-const iterators
          + [115]7216: ambiguity with basic_iostream::traits_type
          + [116]7220: problem with basic_istream::ignore(0,delimiter)
          + [117]7222: locale::operator==() doesn't work on
            std::locale("")
          + [118]7286: placement operator delete issue
          + [119]7442: cxxabi.h does not match the C++ ABI
          + [120]7445: poor performance of std::locale::classic() in
            multi-threaded applications
     * x86-64 specific
          + [121]7291: off-by-one in generated inline bzero code for
            x86-64
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [122]gnu@gnu.org. There
   are also [123]other ways to contact the FSF.

   These pages are maintained by [124]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [125]gcc@gnu.org or [126]gcc@gcc.gnu.org, send other
    questions to [127]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2003-01-28 [128]Valid XHTML 1.0 

References

   1. http://gcc.gnu.org/gcc-3.2/c++-abi.html
   2. http://gcc.gnu.org/gcc-3.1/changes.html
   3. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7445
   4. http://gcc.gnu.org/cgi-bin/gnatsweb.pl
   5. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=2521
   6. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=5661
   7. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=6419
   8. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=6994
   9. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7150
  10. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7160
  11. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7228
  12. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7266
  13. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7353
  14. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7411
  15. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7478
  16. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7526
  17. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7721
  18. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7803
  19. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7754
  20. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7788
  21. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8031
  22. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8055
  23. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8067
  24. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8134
  25. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8149
  26. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8160
  27. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=5607
  28. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=6579
  29. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=6803
  30. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7176
  31. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7188
  32. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7306
  33. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7461
  34. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7524
  35. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7584
  36. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7676
  37. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7679
  38. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7811
  39. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7961
  40. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8071
  41. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8127
  42. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=6745
  43. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8096
  44. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8127
  45. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8218
  46. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8287
  47. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8347
  48. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8348
  49. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8391
  50. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=6627
  51. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=6631
  52. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7102
  53. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7120
  54. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7209
  55. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7515
  56. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7814
  57. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8467
  58. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=4890
  59. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7357
  60. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7358
  61. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7602
  62. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7862
  63. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8190
  64. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8524
  65. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=5351
  66. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7591
  67. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=6845
  68. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7034
  69. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7124
  70. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7174
  71. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7134
  72. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7375
  73. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7390
  74. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=6890
  75. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=6981
  76. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7242
  77. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7396
  78. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7630
  79. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7693
  80. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7723
  81. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7951
  82. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8146
  83. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=5967
  84. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=6984
  85. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7114
  86. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7130
  87. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7133
  88. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7380
  89. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8252
  90. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8451
  91. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7250
  92. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=6668
  93. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7151
  94. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7335
  95. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7842
  96. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7856
  97. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7967
  98. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7374
  99. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7370
 100. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7409
 101. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8232
 102. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7623
 103. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8314
 104. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=761
 105. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=5610
 106. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7484
 107. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7531
 108. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=8120
 109. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7320
 110. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7470
 111. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=6410
 112. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=6503
 113. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=6642
 114. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7186
 115. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7216
 116. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7220
 117. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7222
 118. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7286
 119. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7442
 120. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7445
 121. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=7291
 122. mailto:gnu@gnu.org
 123. http://www.gnu.org/home.html#ContactInfo
 124. http://gcc.gnu.org/about.html
 125. mailto:gcc@gnu.org
 126. mailto:gcc@gcc.gnu.org
 127. mailto:gnu@gnu.org
 128. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/gcc-3.1/index.html

                                  GCC 3.1

   July 27, 2002

   The [1]GNU project and the GCC developers are pleased to announce the
   release of GCC 3.1.1.

   The links below still apply to GCC 3.1.1.

   May 15, 2002

   The [2]GNU project and the GCC developers are pleased to announce the
   release of GCC 3.1.

   GCC used to stand for the GNU C Compiler, but since the compiler
   supports several other languages aside from C, it now stands for the
   GNU Compiler Collection.

   A list of [3]successful builds is updated as new information becomes
   available.

   The GCC developers would like to thank the numerous people that have
   contributed [4]new features, improvements, bug fixes, and other
   changes as well as test results to GCC. This [5]amazing group of
   volunteers is what makes GCC successful.

   For additional information about GCC please refer to the [6]GCC
   project web site or contact the [7]GCC development mailing list.

   To obtain GCC please use [8]our mirror sites, one of the [9]GNU mirror
   sites, or [10]our CVS server.
     _________________________________________________________________
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [11]gnu@gnu.org. There
   are also [12]other ways to contact the FSF.

   These pages are maintained by [13]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [14]gcc@gnu.org or [15]gcc@gcc.gnu.org, send other
    questions to [16]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2002-11-11 [17]Valid XHTML 1.0 

References

   1. http://www.gnu.org/
   2. http://www.gnu.org/
   3. http://gcc.gnu.org/gcc-3.1/buildstat.html
   4. http://gcc.gnu.org/gcc-3.1/changes.html
   5. http://gcc.gnu.org/onlinedocs/gcc/Contributors.html
   6. http://gcc.gnu.org/index.html
   7. mailto:gcc@gcc.gnu.org
   8. http://gcc.gnu.org/mirrors.html
   9. http://www.gnu.org/order/ftp.html
  10. http://gcc.gnu.org/cvs.html
  11. mailto:gnu@gnu.org
  12. http://www.gnu.org/home.html#ContactInfo
  13. http://gcc.gnu.org/about.html
  14. mailto:gcc@gnu.org
  15. mailto:gcc@gcc.gnu.org
  16. mailto:gnu@gnu.org
  17. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/gcc-3.1/changes.html

         GCC 3.1 Release Series -- Changes, New Features, and Fixes

Additional changes in GCC 3.1.1

     * A bug related to how structures and unions are returned has been
       fixed for powerpc-*-netbsd*.
     * An important bug in the implementation of -fprefetch-loop-arrays
       has been fixed. Previously the optimization prefetched random
       blocks of memory for most targets except for i386.
     * The Java compiler now compiles Java programs much faster and also
       works with parallel make.
     * Nested functions have been fixed for mips*-*-netbsd*.
     * Some missing floating point support routines have beed added for
       mips*-*-netbsd*.
     * This [1]message gives additional information about the bugs fixed
       in this release.

Caveats

     * The -traditional C compiler option has been deprecated and will be
       removed in GCC 3.3. (It remains possible to preprocess non-C code
       with the traditional preprocessor.)
     * The default debugging format for most ELF platforms (including
       GNU/Linux and FreeBSD; notable exception is Solaris) has changed
       from stabs to DWARF2. This requires GDB 5.1.1 or later.

General Optimizer Improvements

     * Jan Hubicka, SuSE Labs, together with Richard Henderson, Red Hat,
       and Andreas Jaeger, SuSE Labs, has contributed [2]infrastructure
       for profile driven optimizations.
       Options -fprofile-arcs and -fbranch-probabilities can now be used
       to improve speed of the generated code by profiling the actual
       program behaviour on typical runs. In the absence of profile info
       the compiler attempts to guess the profile statically.
     * [3]SPEC2000 and [4]SPEC95 benchmark suites are now used daily to
       monitor performance of the generated code.
       According to the SPECInt2000 results on an AMD Athlon CPU, the
       code generated by GCC 3.1 is 6% faster on the average (8.2% faster
       with profile feedback) compared to GCC 3.0. The code produced by
       GCC 3.0 is about 2.1% faster compared to 2.95.3. Tests were done
       using the -O2 -march=athlon command-line options.
     * Alexandre Oliva, of [5]Red Hat, has generalized the tree inlining
       infrastructure developed by [6]CodeSourcery, LLC for the C++ front
       end, so that it is now used in the C front end too. Inlining
       functions as trees exposes them earlier to the compiler, giving it
       more opportunities for optimization.
     * Support for data prefetching instructions has been added to the
       GCC back end and several targets. A new __builtin_prefetch
       intrinsic is available to explicitly insert prefetch instructions
       and experimental support for loop array prefetching has been added
       (see -fprefetch-loop-array documentation).
     * Support for emitting debugging information for macros has been
       added for DWARF2. It is activated using -g3.

New Languages and Language specific improvements

  C/C++

     * A few more [7]ISO C99 features.
     * The preprocessor is 10-50% faster than the preprocessor in GCC
       3.0.
     * The preprocessor's symbol table has been merged with the symbol
       table of the C, C++ and Objective-C front ends.
     * The preprocessor consumes less memory than the preprocessor in GCC
       3.0, often significantly so. On normal input files, it typically
       consumes less memory than pre-3.0 cccp-based GCC, too.

  C++

     * -fhonor-std and -fno-honor-std have been removed. -fno-honor-std
       was a workaround to allow std compliant code to work with the
       non-std compliant libstdc++-v2. libstdc++-v3 is std compliant.
     * The C++ ABI has been fixed so that void (A::*)() const is mangled
       as "M1AKFvvE", rather than "MK1AFvvE" as before. This change only
       affects pointer to cv-qualified member function types.
     * The C++ ABI has been changed to correctly handle this code:
    struct A {
      void operator delete[] (void *, size_t);
    };

    struct B : public A {
    };

    new B[10];

       The amount of storage allocated for the array will be greater than
       it was in 3.0, in order to store the number of elements in the
       array, so that the correct size can be passed to operator delete[]
       when the array is deleted. Previously, the value passed to
       operator delete[] was unpredictable.
       This change will only affect code that declares a two-argument
       operator delete[] with a second parameter of type size_t in a base
       class, and does not override that definition in a derived class.
     * The C++ ABI has been changed so that:
    struct A {
      void operator delete[] (void *, size_t);
      void operator delete[] (void *);
    };

       does not cause unnecessary storage to be allocated when an array
       of A objects is allocated.
       This change will only affect code that declares both of these
       forms of operator delete[], and declared the two-argument form
       before the one-argument form.
     * The C++ ABI has been changed so that when a parameter is passed by
       value, any cleanup for that parameter is performed in the caller,
       as specified by the ia64 C++ ABI, rather than the called function
       as before. As a result, classes with a non-trivial destructor but
       a trivial copy constructor will be passed and returned by
       invisible reference, rather than by bitwise copy as before.
     * G++ now supports the "named return value optimization": for code
       like
    A f () {
      A a;
      ...
      return a;
    }

       G++ will allocate a in the return value slot, so that the return
       becomes a no-op. For this to work, all return statements in the
       function must return the same variable.
     * Improvements to the C++ library are listed in [8]the libstdc++-v3
       FAQ.

  Objective-C

     * Annoying linker warnings (due to incorrect code being generated)
       have been fixed.
     * If a class method cannot be found, the compiler no longer issues a
       warning if a corresponding instance method exists in the root
       class.
     * Forward @protocol declarations have been fixed.
     * Loading of categories has been fixed in certain situations (GNU
       run time only).
     * The class lookup in the run-time library has been rewritten so
       that class method dispatch is more than twice as fast as it used
       to be (GNU run time only).

  Java

     * libgcj now includes RMI, java.lang.ref.*, javax.naming, and
       javax.transaction.
     * Property files and other system resources can be compiled into
       executables which use libgcj using the new gcj --resource feature.
     * libgcj has been ported to more platforms. In particular there is
       now a mostly-functional mingw32 (Windows) target port.
     * JNI and CNI invocation interfaces were implemented, so
       gcj-compiled Java code can now be called from a C/C++ application.
     * gcj can now use builtin functions for certain known methods, for
       instance Math.cos.
     * gcj can now automatically remove redundant array-store checks in
       some common cases.
     * The --no-store-checks optimization option was added. This can be
       used to omit runtime store checks for code which is known not to
       throw ArrayStoreException
     * The following third party interface standards were added to
       libgcj: org.w3c.dom and org.xml.sax.
     * java.security has been merged with GNU Classpath. The new package
       is now JDK 1.2 compliant, and much more complete.
     * A bytecode verifier was added to the libgcj interpreter.
     * java.lang.Character was rewritten to comply with the Unicode 3.0
       standard, and improve performance.
     * Partial support for many more locales was added to libgcj.
     * Socket timeouts have been implemented.
     * libgcj has been merged into a single shared library. There are no
       longer separate shared libraries for the garbage collector and
       zlib.
     * Several performance improvements were made to gcj and libgcj:
          + Hash synchronization (thin locks)
          + A special allocation path for finalizer-free objects
          + Thread-local allocation
          + Parallel GC, and other GC tweaks

  Fortran

   Fortran improvements are listed in [9]the Fortran documentation.

  Ada

   [10]Ada Core Technologies, Inc, has contributed its GNAT Ada 95 front
   end and associated tools. The GNAT compiler fully implements the Ada
   language as defined by the ISO/IEC 8652 standard.

   Please note that the integration of the Ada front end is still work in
   progress.

New Targets and Target Specific Improvements

     * Hans-Peter Nilsson has contributed a port to [11]MMIX, the CPU
       architecture used in new editions of Donald E. Knuth's The Art of
       Computer Programming.
     * [12]Axis Communications has contributed its port to the CRIS CPU
       architecture, used in the ETRAX system-on-a-chip series. See
       [13]Axis' developer site for technical information.
     * Alexandre Oliva, of [14]Red Hat, has contributed a port to the
       [15]SuperH SH5 64-bit RISC microprocessor architecture, extending
       the existing SH port.
     * UltraSPARC is fully supported in 64-bit mode. The option -m64
       enables it.
     * For compatibility with the Sun compiler #pragma redefine_extname
       has been implemented on Solaris.
     * The x86 back end has had some noticeable work done to it.
          + [16]SuSE Labs developers Jan Hubicka, Bo Thorsen and Andreas
            Jaeger have contributed a port to the AMD x86-64
            architecture. For more information on x86-64 see
            [17]http://www.x86-64.org.
          + The compiler now supports MMX, 3DNow!, SSE, and SSE2
            instructions. Options -mmmx, -m3dnow, -msse, and -msse2 will
            enable the respective instruction sets. Intel C++ compatible
            MMX/3DNow!/SSE intrinsics are implemented. SSE2 intrinsics
            will be added in next major release.
          + Following those improvements, targets for Pentium MMX, K6-2,
            K6-3, Pentium III, Pentium 4, and Athlon 4 Mobile/XP/MP were
            added. Refer to the documentation on -march= and -mcpu=
            options for details.
          + For those targets that support it, -mfpmath=sse will cause
            the compiler to generate SSE/SSE2 instructions for floating
            point math instead of x87 instructions. Usually, this will
            lead to quicker code -- especially on the Pentium 4. Note
            that only scalar floating point instructions are used and GCC
            does not exploit SIMD features yet.
          + Prefetch support has been added to the Pentium III, Pentium
            4, K6-2, K6-3, and Athlon series.
          + Code generated for floating point to integer conversions has
            been improved leading to better performance of many 3D
            applications.
     * The PowerPC back end has added 64-bit PowerPC GNU/Linux support.
     * C++ support for AIX has been improved.
     * Aldy Hernandez, of [18]Red Hat, Inc has contributed extensions to
       the PowerPC port supporting the AltiVec programming model (SIMD).
       The support, though presently useful, is experimental and is
       expected to stabilize for 3.2. The support is written to conform
       to Motorola's AltiVec specs. See -maltivec.

Obsolete Systems

   Support for a number of older systems has been declared obsolete in
   GCC 3.1. Unless there is activity to revive them, the next release of
   GCC will have their sources permanently removed.

   All configurations of the following processor architectures have been
   declared obsolete:
     * MIL-STD-1750A, 1750a-*-*
     * AMD A29k, a29k-*-*
     * Convex, c*-convex-*
     * Clipper, clipper-*-*
     * Elxsi, elxsi-*-*
     * Intel i860, i860-*-*
     * Sun picoJava, pj-*-* and pjl-*-*
     * Western Electric 32000, we32k-*-*

   Most configurations of the following processor architectures have been
   declared obsolete, but we are preserving a few systems which may have
   active developers. It is unlikely that the remaining systems will
   survive much longer unless we see definite signs of port activity.
     * Motorola 88000 except
          + Generic a.out, m88k-*-aout*
          + Generic SVR4, m88k-*-sysv4
          + OpenBSD, m88k-*-openbsd*
     * NS32k except
          + NetBSD, ns32k-*-netbsd*
          + OpenBSD, ns32k-*-openbsd*.
     * ROMP except
          + OpenBSD, romp-*-openbsd*.

   Finally, only some configurations of these processor architectures are
   being obsoleted.
     * Alpha:
          + OSF/1, alpha*-*-osf[123]*. (Digital Unix and Tru64 Unix, aka
            alpha*-*-osf[45], are still supported.)
     * ARM:
          + RISCiX, arm-*-riscix*.
     * i386:
          + 386BSD, i?86-*-bsd*
          + Chorus, i?86-*-chorusos*
          + DG/UX, i?86-*-dgux*
          + FreeBSD 1.x, i?86-*-freebsd1.*
          + IBM AIX, i?86-*-aix*
          + ISC UNIX, i?86-*-isc*
          + Linux with pre-BFD linker, i?86-*-linux*oldld*
          + NEXTstep, i?86-next-*
          + OSF UNIX, i?86-*-osf1* and i?86-*-osfrose*
          + RTEMS/coff, i?86-*-rtemscoff*
          + RTEMS/go32, i?86-go32-rtems*
          + Sequent/BSD, i?86-sequent-bsd*
          + Sequent/ptx before version 3, i?86-sequent-ptx[12]* and
            i?86-sequent-sysv3*
          + SunOS, i?86-*-sunos*
     * Motorola 68000:
          + Altos, m68[k0]*-altos-*
          + Apollo, m68[k0]*-apollo-*
          + Apple A/UX, m68[k0]*-apple-*
          + Bull, m68[k0]*-bull-*
          + Convergent, m68[k0]*-convergent-*
          + Generic SVR3, m68[k0]*-*-sysv3*
          + ISI, m68[k0]*-isi-*
          + LynxOS, m68[k0]*-*-lynxos*
          + NEXT, m68[k0]*-next-*
          + RTEMS/coff, m68[k0]*-*-rtemscoff*
          + Sony, m68[k0]*-sony-*
     * MIPS:
          + DEC Ultrix, mips-*-ultrix* and mips-dec-*
          + Generic BSD, mips-*-bsd*
          + Generic System V, mips-*-sysv*
          + IRIX before version 5, mips-sgi-irix[1234]*
          + RiscOS, mips-*-riscos*
          + Sony, mips-sony-*
          + Tandem, mips-tandem-*
     * SPARC:
          + RTEMS/a.out, sparc-*-rtemsaout*.

Documentation improvements

     * The old manual ("Using and Porting the GNU Compiler Collection")
       has been replaced by a users manual ("Using the GNU Compiler
       Collection") and a separate internals reference manual ("GNU
       Compiler Collection Internals").
     * More complete and much improved documentation about GCC's internal
       representation used by the C and C++ front ends.
     * Many cleanups and improvements in general.
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [19]gnu@gnu.org. There
   are also [20]other ways to contact the FSF.

   These pages are maintained by [21]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [22]gcc@gnu.org or [23]gcc@gcc.gnu.org, send other
    questions to [24]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2003-01-28 [25]Valid XHTML 1.0 

References

   1. http://gcc.gnu.org/ml/gcc/2002-07/msg01208.html
   2. http://gcc.gnu.org/news/profiledriven.html
   3. http://www.suse.de/~aj/SPEC/
   4. http://people.redhat.com/dnovillo/SPEC/
   5. http://www.redhat.com/
   6. http://www.codesourcery.com/
   7. http://gcc.gnu.org/gcc-3.1/c99status.html
   8. http://gcc.gnu.org/onlinedocs/libstdc++/faq/index.html#4_1
   9. http://gcc.gnu.org/onlinedocs/g77/News.html
  10. http://www.gnat.com/
  11. http://www-cs-faculty.stanford.edu/~knuth/mmix.html
  12. http://www.axis.com/
  13. http://developer.axis.com/
  14. http://www.redhat.com/
  15. http://www.superh.com/
  16. http://www.suse.com/
  17. http://www.x86-64.org/
  18. http://www.redhat.com/
  19. mailto:gnu@gnu.org
  20. http://www.gnu.org/home.html#ContactInfo
  21. http://gcc.gnu.org/about.html
  22. mailto:gcc@gnu.org
  23. mailto:gcc@gcc.gnu.org
  24. mailto:gnu@gnu.org
  25. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/gcc-3.0/gcc-3.0.html

                                 GCC 3.0.4

   February 20, 2002

   The [1]GNU project and the GCC developers are pleased to announce the
   release of GCC 3.0.4, which is a bug-fix release for the GCC 3.0
   series.

   GCC used to stand for the GNU C Compiler, but since the compiler
   supports several other languages aside from C, it now stands for the
   GNU Compiler Collection.

   GCC 3.0.x has several new optimizations, new targets, new languages
   and many other new features, relative to GCC 2.95.x. See the [2]new
   features page for a more complete list.

   A list of [3]successful builds is updated as new information becomes
   available.

   The GCC developers would like to thank the numerous people that have
   contributed new features, test results, bugfixes, etc to GCC. This
   [4]amazing group of volunteers is what makes GCC successful.

   And finally, we can't in good conscience fail to mention some
   [5]caveats to using GCC 3.0.x.

   For additional information about GCC please refer to the [6]GCC
   project web site or contact the [7]GCC development mailing list.

   To obtain GCC please use [8]our mirror sites, one of the [9]GNU mirror
   sites, or [10]our CVS server.
     _________________________________________________________________

Previous 3.0.x Releases

   December 20, 2001: GCC 3.0.3 has been released.
   October 25, 2001: GCC 3.0.2 has been released.
   August 20, 2001: GCC 3.0.1 has been released.
   June 18, 2001: GCC 3.0 has been released.
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [11]gnu@gnu.org. There
   are also [12]other ways to contact the FSF.

   These pages are maintained by [13]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [14]gcc@gnu.org or [15]gcc@gcc.gnu.org, send other
    questions to [16]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2002-11-11 [17]Valid XHTML 1.0 

References

   1. http://www.gnu.org/
   2. http://gcc.gnu.org/gcc-3.0/features.html
   3. http://gcc.gnu.org/gcc-3.0/buildstat.html
   4. http://gcc.gnu.org/onlinedocs/gcc/Contributors.html
   5. http://gcc.gnu.org/gcc-3.0/caveats.html
   6. http://gcc.gnu.org/index.html
   7. mailto:gcc@gcc.gnu.org
   8. http://gcc.gnu.org/mirrors.html
   9. http://www.gnu.org/order/ftp.html
  10. http://gcc.gnu.org/cvs.html
  11. mailto:gnu@gnu.org
  12. http://www.gnu.org/home.html#ContactInfo
  13. http://gcc.gnu.org/about.html
  14. mailto:gcc@gnu.org
  15. mailto:gcc@gcc.gnu.org
  16. mailto:gnu@gnu.org
  17. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/gcc-3.0/features.html

                            GCC 3.0 New Features

Additional changes in GCC 3.0.4

     * GCC 3.0 now supports newer versions of the [1]NetBSD operating
       system, which use the ELF object file format, on x86 processors.
     * Correct debugging information is generated from functions that
       have lines from multiple files (e.g. yacc output).
     * A fix for whitespace handling in the -traditional preprocessor,
       which can affect Fortran.
     * Fixes to the exception handling runtime.
     * More fixes for bad code generation in C++.
     * A fix for shared library generation under AIX 4.3.
     * Documentation updates.
     * Port of GCC to Tensilica's Xtensa processor contributed.
     * A fix for compiling the PPC Linux kernel (FAT fs wouldn't link).

Additional changes in GCC 3.0.3

     * A fix to correct an accidental change to the PowerPC ABI.
     * Fixes for bad code generation on a variety of architectures.
     * Improvements to the debugging information generated for C++
       classes.
     * Fixes for bad code generation in C++.
     * A fix to avoid crashes in the C++ demangler.
     * A fix to the C++ standard library to avoid buffer overflows.
     * Miscellaneous improvements for a variety of architectures.

Additional changes in GCC 3.0.2

     * Fixes for bad code generation during loop unrolling.
     * Fixes for bad code generation by the sibling call optimization.
     * Minor improvements to x86 code generation.
     * Implementation of function descriptors in C++ vtables for IA64.
     * Numerous minor bug-fixes.

Additional changes in GCC 3.0.1

     * C++ fixes for incorrect code-generation.
     * Improved cross-compiling support for the C++ standard library.
     * Fixes for some embedded targets that worked in GCC 2.95.3, but not
       in GCC 3.0.
     * Fixes for various exception-handling bugs.
     * A port to the S/390 architecture.

General Optimizer Improvements

     * [2]Basic block reordering pass.
     * New if-conversion pass with support for conditional (predicated)
       execution.
     * New tail call and sibling call elimination optimizations.
     * New register renaming pass.
     * New (experimental) [3]static single assignment (SSA)
       representation support.
     * New dead-code elimination pass implemented using the SSA
       representation.
     * [4]Global null pointer test elimination.
     * [5]Global code hoisting/unification.
     * More builtins and optimizations for stdio.h, string.h and old BSD
       functions, as well as for ISO C99 functions.
     * New builtin __builtin_expect for giving hints to the branch
       predictor.

New Languages and Language specific improvements

     * The GNU Compiler for the Java(TM) language (GCJ) is now integrated
       and supported, including the run-time library containing most
       common non-GUI Java classes, a bytecode interpreter, and the Boehm
       conservative garbage collector. Many bugs have been fixed. GCJ can
       compile Java source or Java bytecodes to either native code or
       Java class files, and supports native methods written in either
       the standard JNI or the more efficient and convenient CNI.
     * Here is a [6]partial list of C++ improvements, both new features
       and those no longer supported.
     * New C++ ABI. On the IA-64 platform GCC is capable of
       inter-operating with other IA-64 compilers.
     * The new ABI also significantly reduces the size of symbol and
       debug information.
     * New [7]C++ support library and many C++ bug fixes, vastly
       improving our conformance to the ISO C++ standard.
     * New [8]inliner for C++.
     * Rewritten C preprocessor, integrated into the C, C++ and Objective
       C compilers, with very many improvements including ISO C99 support
       and [9]improvements to dependency generation.
     * Support for more [10]ISO C99 features.
     * Many improvements to support for checking calls to format
       functions such as printf and scanf, including support for ISO C99
       format features, extensions from the Single Unix Specification and
       GNU libc 2.2, checking of strfmon formats and features to assist
       in auditing for format string security bugs.
     * New warnings for C code that may have undefined semantics because
       of violations of sequence point rules in the C standard (such as a
       = a++;, a[n] = b[n++]; and a[i++] = i;), included in -Wall.
     * Additional warning option -Wfloat-equal.
     * Improvements to -Wtraditional.
     * Fortran improvements are listed in [11]the Fortran documentation.

New Targets and Target Specific Improvements

     * New x86 back-end, generating much improved code.
     * Support for a generic i386-elf target contributed.
     * New option to emit x86 assembly code using Intel style syntax
       (-mintel-syntax).
     * HPUX 11 support contributed.
     * Improved PowerPC code generation, including scheduled prologue and
       epilogue.
     * Port of GCC to Intel's IA-64 processor contributed.
     * Port of GCC to Motorola's MCore 210 and 340 contributed.
     * New unified back-end for Arm, Thumb and StrongArm contributed.
     * Port of GCC to Intel's XScale processor contributed.
     * Port of GCC to Atmel's AVR microcontrollers contributed.
     * Port of GCC to Mitsubishi's D30V processor contributed.
     * Port of GCC to Matsushita's AM33 processor (a member of the
       MN10300 processor family) contributed.
     * Port of GCC to Fujitsu's FR30 processor contributed.
     * Port of GCC to Motorola's 68HC11 and 68HC12 processors
       contributed.
     * Port of GCC to Sun's picoJava processor core contributed.

Documentation improvements

     * Substantially rewritten and improved C preprocessor manual.
     * Many improvements to other documentation.
     * Manpages for gcc, cpp and gcov are now generated automatically
       from the master Texinfo manual, eliminating the problem of
       manpages being out of date. (The generated manpages are only
       extracts from the full manual, which is provided in Texinfo form,
       from which info, HTML, other formats and a printed manual can be
       generated.)
     * Generated info files are included in the release tarballs
       alongside their Texinfo sources, avoiding problems on some
       platforms with building makeinfo as part of the GCC distribution.

Other significant improvements

     * Garbage collection used internally by the compiler for most memory
       allocation instead of obstacks.
     * Lengauer and Tarjan algorithm used for computing dominators in the
       CFG. This algorithm can be significantly faster and more space
       efficient than our older algorithm.
     * gccbug script provided to assist in submitting bug reports to the
       GCC GNATS bug tracking database. (Bug reports previously submitted
       directly to the GCC mailing lists, for which no GNATS bug tracking
       number has been received, should be submitted again to the bug
       tracking database using gccbug if you can reproduce the problem
       with GCC 3.0.)
     * The internal libgcc library is [12]built as a shared library on
       systems that support it.
     * Extensive testsuite included with GCC, with many new tests. In
       addition to tests for GCC bugs that have been fixed, many tests
       have been added for language features, compiler warnings and
       builtin functions.
     * Additional language-independent warning options -Wpacked,
       -Wpadded, -Wunreachable-code and -Wdisabled-optimization.
     * Target-independent options -falign-functions, -falign-loops and
       -falign-jumps.

   Plus a great many bugfixes and almost all the [13]features found in
   GCC 2.95.
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [14]gnu@gnu.org. There
   are also [15]other ways to contact the FSF.

   These pages are maintained by [16]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [17]gcc@gnu.org or [18]gcc@gcc.gnu.org, send other
    questions to [19]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2003-01-04 [20]Valid XHTML 1.0 

References

   1. http://www.netbsd.org/
   2. http://gcc.gnu.org/news/reorder.html
   3. http://gcc.gnu.org/news/ssa.html
   4. http://gcc.gnu.org/news/null.html
   5. http://gcc.gnu.org/news/unify.html
   6. http://gcc.gnu.org/gcc-3.0/c++features.html
   7. http://gcc.gnu.org/libstdc++/
   8. http://gcc.gnu.org/news/inlining.html
   9. http://gcc.gnu.org/news/dependencies.html
  10. http://gcc.gnu.org/gcc-3.0/c99status.html
  11. http://gcc.gnu.org/onlinedocs/g77/News.html
  12. http://gcc.gnu.org/gcc-3.0/libgcc.html
  13. http://gcc.gnu.org/gcc-2.95/features.html
  14. mailto:gnu@gnu.org
  15. http://www.gnu.org/home.html#ContactInfo
  16. http://gcc.gnu.org/about.html
  17. mailto:gcc@gnu.org
  18. mailto:gcc@gcc.gnu.org
  19. mailto:gnu@gnu.org
  20. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/gcc-3.0/caveats.html

                              GCC 3.0 Caveats

     * -fstrict-aliasing is now part of -O2 and higher optimization
       levels. This allows the compiler to assume the strictest aliasing
       rules applicable to the language being compiled. For C and C++,
       this activates optimizations based on the type of expressions.
       This optimization may thus break old, non-compliant code.
     * Enumerations are now properly promoted to int in function
       parameters and function returns. Normally this change is not
       visible, but when using -fshort-enums this is an ABI change.
     * The undocumented extension that allowed C programs to have a label
       at the end of a compound statement has been deprecated and may be
       removed in a future version. Programs that now generate a warning
       about this may be fixed by adding a null statement (a single
       semicolon) after the label.
     * The poorly documented extension that allowed string constants in
       C, C++ and Objective C to contain unescaped newlines has been
       deprecated and may be removed in a future version. Programs using
       this extension may be fixed in several ways: the bare newline may
       be replaced by \n, or preceded by \n\, or string concatenation may
       be used with the bare newline preceded by \n" and " placed at the
       start of the next line.
     * The Chill compiler is not included in GCC 3.0, because of the lack
       of a volunteer to convert it to use garbage collection.
     * Certain non-standard iostream methods from earlier versions of
       libstdc++ are not included in libstdc++ v3, i.e. filebuf::attach,
       ostream::form, and istream::gets. Here are workaround hints for:
       [1]ostream::form, [2]filebuf::attach.
     * The new C++ ABI is not yet fully supported by current (as of
       2001-07-01) releases and development versions of GDB, or any
       earlier versions. There is a problem setting breakpoints by line
       number, and other related issues that have been fixed in GCC 3.0
       but not yet handled in GDB:
       [3]http://gcc.gnu.org/ml/gcc-bugs/2001-06/msg00421.html
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [4]gnu@gnu.org. There
   are also [5]other ways to contact the FSF.

   These pages are maintained by [6]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [7]gcc@gnu.org or [8]gcc@gcc.gnu.org, send other
    questions to [9]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2002-11-11 [10]Valid XHTML 1.0 

References

   1. http://gcc.gnu.org/onlinedocs/libstdc++/21_strings/howto.html
   2. http://gcc.gnu.org/onlinedocs/libstdc++/ext/howto.html
   3. http://gcc.gnu.org/ml/gcc-bugs/2001-06/msg00421.html
   4. mailto:gnu@gnu.org
   5. http://www.gnu.org/home.html#ContactInfo
   6. http://gcc.gnu.org/about.html
   7. mailto:gcc@gnu.org
   8. mailto:gcc@gcc.gnu.org
   9. mailto:gnu@gnu.org
  10. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/gcc-2.95/index.html

                                  GCC 2.95

   July 31, 1999: The GNU project and the GCC/EGCS developers are pleased
   to announce the release of GCC version 2.95. This is the first release
   of GCC since the April 1999 GCC/EGCS reunification and includes nearly
   a year's worth of new development and bugfixes.

   August 19, 1999: GCC version 2.95.1 has been released.

   October 27, 1999: GCC version 2.95.2 has been released.

   March 16, 2001: GCC version 2.95.3 has been released.

   GCC used to stand for the GNU C Compiler, but since the compiler
   supports several other languages aside from C, it now stands for the
   GNU Compiler Collection.

   The whole suite has been extensively [1]regression tested and
   [2]package tested. It should be reliable and suitable for widespread
   use.

   The compiler has several new optimizations, new targets, new languages
   and other new features. See the [3]new features page for a more
   complete list of new features found in the GCC 2.95 releases.

   The sources include installation instructions in both HTML and
   plaintext forms in the install directory in the distribution. However,
   the most up to date [4]installation instructions and [5]build/test
   status are on the web pages. We will update those pages as new
   information becomes available.

   The GCC developers would like to thank the numerous people that have
   contributed new features, test results, bugfixes, etc to GCC. This
   [6]amazing group of volunteers is what makes GCC successful.

   And finally, we can't in good conscience fail to mention some
   [7]caveats to using GCC 2.95.

   Download GCC 2.95 from the [8]GNU FTP server (ftp://ftp.gnu.org)
   [9]Find a GNU mirror site
   [10]Find a GCC mirror site

   For additional information about GCC please see the [11]GCC project
   web server or contact the [12]GCC development mailing list.
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [13]gnu@gnu.org. There
   are also [14]other ways to contact the FSF.

   These pages are maintained by [15]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [16]gcc@gnu.org or [17]gcc@gcc.gnu.org, send other
    questions to [18]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2002-11-11 [19]Valid XHTML 1.0 

References

   1. http://gcc.gnu.org/gcc-2.95/regress.html
   2. http://gcc.gnu.org/gcc-2.95/othertest.html
   3. http://gcc.gnu.org/gcc-2.95/features.html
   4. http://gcc.gnu.org/install/
   5. http://gcc.gnu.org/gcc-2.95/buildstat.html
   6. http://gcc.gnu.org/onlinedocs/gcc/Contributors.html
   7. http://gcc.gnu.org/gcc-2.95/caveats.html
   8. ftp://ftp.gnu.org/pub/gnu/gcc/
   9. http://www.gnu.org/order/ftp.html
  10. http://gcc.gnu.org/mirrors.html
  11. http://gcc.gnu.org/index.html
  12. mailto:gcc@gcc.gnu.org
  13. mailto:gnu@gnu.org
  14. http://www.gnu.org/home.html#ContactInfo
  15. http://gcc.gnu.org/about.html
  16. mailto:gcc@gnu.org
  17. mailto:gcc@gcc.gnu.org
  18. mailto:gnu@gnu.org
  19. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/gcc-2.95/features.html

                           GCC 2.95 New Features

     * General Optimizer Improvements:
          + [1]Localized register spilling to improve speed and code
            density especially on small register class machines.
          + [2]Global CSE using lazy code motion algorithms.
          + [3]Improved global constant/copy propagation.
          + [4]Improved control flow graph analysis and manipulation.
          + [5]Local dead store elimination.
          + [6]Memory Load hoisting/store sinking in loops.
          + [7]Type based alias analysis is enabled by default. Note this
            feature will expose bugs in the Linux kernel. Please refer to
            the FAQ (as shipped with GCC 2.95) for additional information
            on this issue.
          + Major revamp of GIV detection, combination and simplification
            to improve loop performance.
          + Major improvements to register allocation and reloading.
     * New Languages and Language specific improvements
          + [8]Many C++ improvements.
          + [9]Many Fortran improvements.
          + [10]Java front-end has been integrated. [11]runtime library
            is available separately.
          + [12]ISO C99 support
          + [13]Chill front-end and runtime has been integrated.
          + Boehm garbage collector support in libobjc.
          + More support for various pragmas which appear in vendor
            include files
     * New Targets and Target Specific Improvements
          + [14]Sparc backend rewrite.
          + -mschedule=8000 will optimize code for PA8000 class
            processors; -mpa-risc-2-0 will generate code for PA2.0
            processors
          + Various micro-optimizations for the ia32 port. K6
            optimizations
          + Compiler will attempt to align doubles in the stack on the
            ia32 port
          + Alpha EV6 support
          + PowerPC 750
          + RS6000/PowerPC: -mcpu=401 was added as an alias for
            -mcpu=403. -mcpu=e603e was added to do -mcpu=603e and
            -msoft-float.
          + c3x, c4x
          + HyperSparc
          + SparcLite86x
          + sh4
          + Support for new systems (OpenBSD, FreeBSD, UWIN, Interix,
            arm-linux)
          + vxWorks targets include support for vxWorks threads
          + StrongARM 110 and ARM9 support added. ARM Scheduling
            parameters rewritten.
          + Various changes to the MIPS port to avoid assembler macros,
            which in turn improves performance
          + Various performance improvements to the i960 port.
          + Major rewrite of ns32k port
     * Other significant improvements
          + [15]Ability to dump cfg information and display it using vcg.
          + The new faster scheme for fixing vendor header files is
            enabled by default.
          + Experimental internationalization support.
          + multibyte character support
          + Some compile-time speedups for pathological problems
          + Better support for complex types
     * Plus the usual mountain of bugfixes
     * Core compiler is based on the gcc2 development tree from Sept 30,
       1998, so we have all of the [16]features found in GCC 2.8.

Additional Changes in GCC 2.95.1

     * Generic bugfixes and improvements
          + Various documentation fixes related to the GCC/EGCS merger.
          + Fix memory management bug which could lead to spurious
            aborts, core dumps or random parsing errors in the compiler.
          + Fix a couple bugs in the dwarf1 and dwarf2 debug record
            support.
          + Fix infinite loop in the CSE optimizer.
          + Avoid undefined behavior in compiler FP emulation code
          + Fix install problem when prefix is overridden on the make
            install command.
          + Fix problem with unwanted installation of assert.h on some
            systems.
          + Fix problem with finding the wrong assembler in a single tree
            build.
          + Avoid increasing the known alignment of a register that is
            already known to be a pointer.
     * Platform specific bugfixes and improvements
          + Codegen bugfix for prologue/epilogue for cpu32 target.
          + Fix long long code generation bug for the Coldfire target.
          + Fix various aborts in the SH compiler.
          + Fix bugs in libgcc support library for the SH.
          + Fix alpha ev6 code generation bug.
          + Fix problems with EXIT_SUCCESS/EXIT_FAILURE redefinitions on
            AIX platforms.
          + Fix -fpic code generation bug for rs6000/ppc svr4 targets.
          + Fix varargs/stdarg code generation bug for rs6000/ppc svr4
            targets.
          + Fix weak symbol handling for rs6000/ppc svr4 targets.
          + Fix various problems with 64bit code generation for the
            rs6000/ppc port.
          + Fix codegen bug which caused tetex to be mis-compiled on the
            x86.
          + Fix compiler abort in new cfg code exposed by x86 port.
          + Fix out of range array reference in code convert flat
            registers to the x87 stacked FP register file.
          + Fix minor vxworks configuration bug.
          + Fix return type of bsearch for SunOS 4.x.
     * Language & Runtime specific fixes.
          + The G++ signature extension has been deprecated. It will be
            removed in the next major release of G++. Use of signatures
            will result in a warning from the compiler.
          + Several bugs relating to templates and namespaces were fixed.
          + A bug that caused crashes when combining templates with -g on
            DWARF1 platforms was fixed.
          + Pointers-to-members, virtual functions, and multiple
            inheritance should now work together correctly.
          + Some code-generation bugs relating to function try blocks
            were fixed.
          + G++ is a little bit more lenient with certain archaic
            constructs than in GCC 2.95.
          + Fix to prevent shared library version #s from bring truncated
            to 1 digit
          + Fix missing std:: in the libstdc++ library.
          + Fix stream locking problems in libio.
          + Fix problem in java compiler driver.

Additional Changes in GCC 2.95.2

   The -fstrict-aliasing is not enabled by default for GCC 2.95.2. While
   the optimizations performed by -fstrict-aliasing are valid according
   to the C and C++ standards, the optimization have caused some
   problems, particularly with old non-conforming code.

   The GCC developers are experimenting with ways to warn users about
   code which violates the C/C++ standards, but those warnings are not
   ready for widespread use at this time. Rather than wait for those
   warnings the GCC developers have chosen to disable -fstrict-aliasing
   by default for the GCC 2.95.2 release.

   We strongly encourage developers to find and fix code which violates
   the C/C++ standards as -fstrict-aliasing may be enabled by default in
   future releases. Use the option -fstrict-aliasing to re-enable these
   optimizations.
     * Generic bugfixes and improvements
          + Fix incorrectly optimized memory reference in global common
            subexpression elimination (GCSE) optimization pass.
          + Fix code generation bug in regmove.c in which it could
            incorrectly change a "const" value.
          + Fix bug in optimization of conditionals involving volatile
            memory references.
          + Avoid over-allocation of stack space for some procedures.
          + Fixed bug in the compiler which caused incorrect optimization
            of an obscure series of bit manipulations, shifts and
            arithmetic.
          + Fixed register allocator bug which caused teTeX to be
            mis-compiled on Sparc targets.
          + Avoid incorrect optimization of degenerate case statements
            for certain targets such as the ARM.
          + Fix out of range memory reference in the jump optimizer.
          + Avoid dereferencing null pointer in fix-header.
          + Fix test for GCC specific features so that it is possible to
            bootstrap with gcc-2.6.2 and older versions of GCC.
          + Fix typo in scheduler which could potentially cause out of
            range memory accesses.
          + Avoid incorrect loop reversal which caused incorrect code for
            certain loops on PowerPC targets.
          + Avoid incorrect optimization of switch statements on certain
            targets (for example the ARM).
     * Platform specific bugfixes and improvements
          + Work around bug in Sun V5.0 compilers which caused bootstrap
            comparison failures on Sparc targets.
          + Fix Sparc backend bug which caused aborts in final.c.
          + Fix sparc-hal-solaris2* configuration fragments.
          + Fix bug in sparc block profiling.
          + Fix obscure code generation bug for the PARISC targets.
          + Define __STDC_EXT__ for HPUX configurations.
          + Various POWERPC64 code generation bugfixes.
          + Fix abort for PPC targets using ELF (ex GNU/Linux).
          + Fix collect2 problems for AIX targets.
          + Correct handling of .file directive for PPC targets.
          + Fix bug in fix_trunc x86 patterns.
          + Fix x86 port to correctly pop the FP stack for functions that
            return structures in memory.
          + Fix minor bug in strlen x86 pattern.
          + Use stabs debugging instead of dwarf1 for x86-solaris
            targets.
          + Fix template repository code to handle leading underscore in
            mangled names.
          + Fix weak/weak alias support for OpenBSD.
          + GNU/Linux for the ARM has C++ compatible include files.
     * Language & Runtime specific fixes.
          + Fix handling of constructor attribute in the C front-end
            which caused problems building the Chill runtime library on
            some targets.
          + Fix minor problem merging type qualifiers in the C front-end.
          + Fix aliasing bug for pointers and references (C/C++).
          + Fix incorrect "non-constant initializer bug" when
            -traditional or -fwritable-strings is enabled.
          + Fix build error for Chill front-end on SunOS.
          + Do not complain about duplicate instantiations when using
            -frepo (C++).
          + Fix array bounds handling in C++ front-end which caused
            problems with dwarf debugging information in some
            circumstances.
          + Fix minor namespace problem.
          + Fix problem linking java programs.

Additional Changes in GCC 2.95.3

     * Generic bugfixes and improvements
          + Fix numerous problems that caused incorrect optimization in
            the register reloading code.
          + Fix numerous problems that caused incorrect optimization in
            the loop optimizer.
          + Fix aborts in the functions build_insn_chain and scan_loops
            under some circumstances.
          + Fix an alias analysis bug.
          + Fix an infinite compilation bug in the combiner.
          + A few problems with complex number support have been fixed.
          + It is no longer possible for gcc to act as a fork bomb when
            installed incorrectly.
          + The -fpack-struct option should be recognized now.
          + Fixed a bug that caused incorrect code to be generated due to
            a lost stack adjustment.
     * Platform specific bugfixes and improvements
          + Support building ARM toolchains hosted on Windows.
          + Fix attribute calculations in ARM toolchains.
          + arm-linux support has been improved.
          + Fix a PIC failure on sparc targets.
          + On ix86 targets, the regparm attribute should now work
            reliably.
          + Several updates for the h8300 port.
          + Fix problem building libio with glibc 2.2.
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [17]gnu@gnu.org. There
   are also [18]other ways to contact the FSF.

   These pages are maintained by [19]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [20]gcc@gnu.org or [21]gcc@gcc.gnu.org, send other
    questions to [22]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2002-12-30 [23]Valid XHTML 1.0 

References

   1. http://gcc.gnu.org/news/spill.html
   2. http://gcc.gnu.org/news/lcm.html
   3. http://gcc.gnu.org/news/cprop.html
   4. http://gcc.gnu.org/news/cfg.html
   5. http://gcc.gnu.org/news/dse.html
   6. http://gcc.gnu.org/news/hoist.html
   7. http://gcc.gnu.org/news/alias.html
   8. http://gcc.gnu.org/gcc-2.95/c++features.html
   9. http://gcc.gnu.org/onlinedocs/g77/News.html
  10. http://gcc.gnu.org/java/gcj-announce.txt
  11. http://gcc.gnu.org/news/javaannounce.html
  12. http://gcc.gnu.org/c99status.html
  13. http://gcc.gnu.org/news/chill.html
  14. http://gcc.gnu.org/news/sparc.html
  15. http://gcc.gnu.org/news/egcs-vcg.html
  16. http://gcc.gnu.org/egcs-1.0/features-2.8.html
  17. mailto:gnu@gnu.org
  18. http://www.gnu.org/home.html#ContactInfo
  19. http://gcc.gnu.org/about.html
  20. mailto:gcc@gnu.org
  21. mailto:gcc@gcc.gnu.org
  22. mailto:gnu@gnu.org
  23. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/gcc-2.95/caveats.html

                              GCC 2.95 Caveats

     * GCC 2.95 will issue an error for invalid asm statements that had
       been silently accepted by earlier versions of the compiler. This
       is particularly noticeable when compiling older versions of the
       Linux kernel (2.0.xx). Please refer to the FAQ (as shipped with
       GCC 2.95) for more information on this issue.
     * GCC 2.95 implements type based alias analysis to disambiguate
       memory references. Some programs, particularly the Linux kernel
       violate ANSI/ISO aliasing rules and therefore may not operate
       correctly when compiled with GCC 2.95. Please refer to the FAQ (as
       shipped with GCC 2.95) for more information on this issue.
     * GCC 2.95 has a known bug in its handling of complex variables for
       64bit targets. Instead of silently generating incorrect code, GCC
       2.95 will issue a fatal error for situations it can not handle.
       This primarily affects the Fortran community as Fortran makes more
       use of complex variables than C or C++.
     * GCC 2.95 has an integrated libstdc++, but does not have an
       integrated libg++. Furthermore old libg++ releases will not work
       with GCC 2.95. You can retrieve a recent copy of libg++ from the
       [1]GCC ftp server.
       Note most C++ programs only need libstdc++.
     * Exception handling may not work with shared libraries,
       particularly on alphas, hppas, rs6000/powerpc and mips based
       platforms. Exception handling is known to work on x86 GNU/Linux
       platforms with shared libraries.
     * In general, GCC 2.95 is more rigorous about rejecting invalid C++
       code or deprecated C++ constructs than G++ 2.7, G++ 2.8, EGCS 1.0,
       or EGCS 1.1. As a result it may be necessary to fix C++ code
       before it will compile with GCC 2.95.
     * G++ is also converting toward the ISO C++ standard; as a result
       code which was previously valid (and thus accepted by other
       compilers and older versions of g++) may no longer be accepted.
       The flag -fpermissive may allow some non-conforming code to
       compile with GCC 2.95.
     * GCC 2.95 compiled C++ code is not binary compatible with EGCS
       1.1.x, EGCS 1.0.x or GCC 2.8.x.
     * GCC 2.95 does not have changes from the GCC 2.8 tree that were
       made between Sept 30, 1998 and April 30, 1999 (the official end of
       the GCC 2.8 project). Future GCC releases will include all the
       changes from the defunct GCC 2.8 sources.
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [2]gnu@gnu.org. There
   are also [3]other ways to contact the FSF.

   These pages are maintained by [4]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [5]gcc@gnu.org or [6]gcc@gcc.gnu.org, send other
    questions to [7]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2002-12-30 [8]Valid XHTML 1.0 

References

   1. ftp://gcc.gnu.org/pub/gcc/infrastructure/libg++-2.8.1.3.tar.gz
   2. mailto:gnu@gnu.org
   3. http://www.gnu.org/home.html#ContactInfo
   4. http://gcc.gnu.org/about.html
   5. mailto:gcc@gnu.org
   6. mailto:gcc@gcc.gnu.org
   7. mailto:gnu@gnu.org
   8. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/egcs-1.1/index.html

                                  EGCS 1.1

   September 3, 1998: We are pleased to announce the release of EGCS 1.1.
   December 1, 1998: We are pleased to announce the release of EGCS
   1.1.1.
   March 15, 1999: We are pleased to announce the release of EGCS 1.1.2.

   EGCS is a free software project to further the development of the GNU
   compilers using an open development environment.

   EGCS 1.1 is a major new release of the EGCS compiler system. It has
   been [1]extensively tested and is believed to be stable and suitable
   for widespread use.

   EGCS 1.1 is based on an June 6, 1998 snapshot of the GCC 2.8
   development sources; it contains all of the new features found in GCC
   2.8.1 as well as all new development from GCC up to June 6, 1998.

   EGCS 1.1 also contains many improvements and features not found in GCC
   or in older versions of EGCS:
     * Global common subexpression elimination and global constant/copy
       propagation (aka [2]gcse)
     * Ongoing improvements to the [3]alias analysis support to allow for
       better optimizations throughout the compiler.
     * Vastly improved [4]C++ compiler and integrated C++ runtime
       libraries.
     * Fixes for the /tmp symlink race security problems.
     * New targets including mips16, arm-thumb and 64 bit PowerPC.
     * Improvements to GNU Fortran (g77) compiler and runtime library
       made since g77 version 0.5.23.

   See the [5]new features page for a more complete list of new features
   found in EGCS 1.1 releases.

   EGCS 1.1.1 is a minor update to fix several serious problems in EGCS
   1.1:
     * General improvements and fixes
          + Avoid some stack overflows when compiling large functions.
          + Avoid incorrect loop invariant code motions.
          + Fix some core dumps on Linux kernel code.
          + Bring back the imake -Di386 and friends fix from EGCS 1.0.2.
          + Fix code generation problem in gcse.
          + Various documentation related fixes.
     * g++/libstdc++ improvements and fixes
          + MT safe EH fix for setjmp/longjmp based exception handling.
          + Fix a few bad interactions between optimization and exception
            handling.
          + Fixes for demangling of template names starting with "__".
          + Fix a bug that would fail to run destructors in some cases
            with -O2.
          + Fix 'new' of classes with virtual bases.
          + Fix crash building Qt on the Alpha.
          + Fix failure compiling WIFEXITED macro on GNU/Linux.
          + Fix some -frepo failures.
     * g77 and libf2c improvements and fixes
          + Various documentation fixes.
          + Avoid compiler crash on RAND intrinsic.
          + Fix minor bugs in makefiles exposed by BSD make programs.
          + Define _XOPEN_SOURCE for libI77 build to avoid potential
            problems on some 64-bit systems.
          + Fix problem with implicit endfile on rewind.
          + Fix spurious recursive I/O errors.
     * platform specific improvements and fixes
          + Match all versions of UnixWare7.
          + Do not assume x86 SVR4 or UnixWare targets can handle stabs.
          + Fix PPC/RS6000 LEGITIMIZE_ADDRESS macro and bug in conversion
            from unsigned ints to double precision floats.
          + Fix ARM ABI issue with NetBSD.
          + Fix a few arm code generation bugs.
          + Fixincludes will fix additional broken SCO OpenServer header
            files.
          + Fix a m68k backend bug which caused invalid offsets in reg+d
            addresses.
          + Fix problems with 64bit AIX 4.3 support.
          + Fix handling of long longs for varargs/stdarg functions on
            the ppc.
          + Minor fixes to CPP predefines for Windows.
          + Fix code generation problems with gpr<->fpr copies for 64bit
            ppc.
          + Fix a few coldfire code generation bugs.
          + Fix some more header file problems on SunOS 4.x.
          + Fix assert.h handling for RTEMS.
          + Fix Windows handling of TREE_SYMBOL_REFERENCED.
          + Fix x86 compiler abort in reg-stack pass.
          + Fix cygwin/windows problem with section attributes.
          + Fix Alpha code generation problem exposed by SMP Linux
            kernels.
          + Fix typo in m68k 32->64bit integer conversion.
          + Make sure target libraries build with -fPIC for PPC & Alpha
            targets.

   EGCS 1.1.2 is a minor update to fix several serious problems in EGCS
   1.1.1:
     * General improvements and fixes
          + Fix bug in loop optimizer which caused the SPARC (and
            potentially other) ports to segfault.
          + Fix infinite recursion in alias analysis and combiner code.
          + Fix bug in regclass preferencing.
          + Fix incorrect loop reversal which caused incorrect code to be
            generated for several targets.
          + Fix return value for builtin memcpy.
          + Reduce compile time for certain loops which exposed quadratic
            behavior in the loop optimizer.
          + Fix bug which caused volatile memory to be written multiple
            times when only one write was needed/desired.
          + Fix compiler abort in caller-save.c
          + Fix combiner bug which caused incorrect code generation for
            certain division by constant operations.
          + Fix incorrect code generation due to a bug in range check
            optimizations.
          + Fix incorrect code generation due to mis-handling of
            clobbered values in CSE.
          + Fix compiler abort/segfault due to incorrect register
            splitting when unrolling loops.
          + Fix code generation involving autoincremented addresses with
            ternary operators.
          + Work around bug in the scheduler which caused qt to be
            mis-compiled on some platforms.
          + Fix code generation problems with -fshort-enums.
          + Tighten security for temporary files.
          + Improve compile time for codes which make heavy use of
            overloaded functions.
          + Fix multiply defined constructor/destructor symbol problems.
          + Avoid setting bogus RPATH environment variable during
            bootstrap.
          + Avoid GNU-make dependencies in the texinfo subdir.
          + Install CPP wrapper script in $(prefix)/bin if --enable-cpp.
            --enable-cpp=<dirname> can be used to specify an additional
            install directory for the cpp wrapper script.
          + Fix CSE bug which caused incorrect label-label refs to appear
            on some platforms.
          + Avoid linking in EH routines from libgcc if they are not
            needed.
          + Avoid obscure bug in aliasing code.
          + Fix bug in weak symbol handling.
     * Platform-specific improvements and fixes
          + Fix detection of PPro/PII on Unixware 7.
          + Fix compiler segfault when building spec99 and other programs
            for SPARC targets.
          + Fix code-generation bugs for integer and floating point
            conditional move instructions on the PPro/PII.
          + Use fixincludes to fix byteorder problems on i?86-*-sysv.
          + Fix build failure for the arc port.
          + Fix floating point format configuration for i?86-gnu port.
          + Fix problems with hppa1.0-hp-hpux10.20 configuration when
            threads are enabled.
          + Fix coldfire code generation bugs.
          + Fix "unrecognized insn" problems for Alpha and PPC ports.
          + Fix h8/300 code generation problem with floating point values
            in memory.
          + Fix unrecognized insn problems for the m68k port.
          + Fix namespace-pollution problem for the x86 port.
          + Fix problems with old assembler on x86 NeXT systems.
          + Fix PIC code-generation problems for the SPARC port.
          + Fix minor bug with LONG_CALLS in PowerPC SVR4 support.
          + Fix minor ISO namespace violation in Alpha varargs/stdarg
            support.
          + Fix incorrect "braf" instruction usage for the SH port.
          + Fix minor bug in va-sh which prevented its use with -ansi.
          + Fix problems recognizing and supporting FreeBSD.
          + Handle OpenBSD systems correctly.
          + Minor fixincludes fix for Digital UNIX 4.0B.
          + Fix problems with ctors/dtors in SCO shared libraries.
          + Abort instead of generating incorrect code for PPro/PII
            floating point conditional moves.
          + Avoid multiply defined symbols on Linux/GNU systems using
            libc-5.4.xx.
          + Fix abort in alpha compiler.
     * Fortran-specific fixes
          + Fix the IDate intrinsic (VXT) (in libg2c) so the returned
            year is in the documented, non-Y2K-compliant range of 0-99,
            instead of being returned as 100 in the year 2000.
          + Fix the `Date_and_Time' intrinsic (in libg2c) to return the
            milliseconds value properly in Values(8).
          + Fix the `LStat' intrinsic (in libg2c) to return device-ID
            information properly in SArray(7).

   Each release includes installation instructions in both HTML and
   plaintext forms (see the INSTALL directory in the toplevel directory
   of the distribution). However, we also keep the most up to date
   [6]installation instructions and [7]build/test status on our web page.
   We will update those pages as new information becomes available.

   The EGCS project would like to thank the numerous people that have
   contributed new features, test results, bugfixes, etc. This [8]amazing
   group of volunteers is what makes EGCS successful.

   And finally, we can't in good conscience fail to mention some
   [9]caveats to using EGCS 1.1.

   Download EGCS from egcs.cygnus.com (USA California).

   The EGCS 1.1 release is also available on many mirror sites.
   [10]Goto mirror list to find a closer site.
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [11]gnu@gnu.org. There
   are also [12]other ways to contact the FSF.

   These pages are maintained by [13]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [14]gcc@gnu.org or [15]gcc@gcc.gnu.org, send other
    questions to [16]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2003-01-04 [17]Valid XHTML 1.0 

References

   1. http://gcc.gnu.org/egcs-1.1/egcs-1.1-test.html
   2. http://gcc.gnu.org/news/gcse.html
   3. http://gcc.gnu.org/news/alias.html
   4. http://gcc.gnu.org/egcs-1.1/c++features.html
   5. http://gcc.gnu.org/egcs-1.1/features.html
   6. http://gcc.gnu.org/install/
   7. http://gcc.gnu.org/egcs-1.1/buildstat.html
   8. http://gcc.gnu.org/onlinedocs/gcc/Contributors.html
   9. http://gcc.gnu.org/egcs-1.1/caveats.html
  10. http://gcc.gnu.org/mirrors.html
  11. mailto:gnu@gnu.org
  12. http://www.gnu.org/home.html#ContactInfo
  13. http://gcc.gnu.org/about.html
  14. mailto:gcc@gnu.org
  15. mailto:gcc@gcc.gnu.org
  16. mailto:gnu@gnu.org
  17. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/egcs-1.1/features.html

                           EGCS 1.1 new features

     * Integrated GNU Fortran (g77) compiler and runtime library with
       improvements, based on [1]g77 version 0.5.23.
     * Vast improvements in the C++ compiler; so many they have [2]page
       of their own!
     * Compiler implements [3]global common subexpression elimination and
       global copy/constant propagation.
     * More major improvements in the [4]alias analysis code.
     * More major improvements in the exception handling code to improve
       performance, lower static overhead and provide the infrastructure
       for future improvements.
     * The infamous /tmp symlink race security problems have been fixed.
     * The regmove optimization pass has been nearly completely rewritten
       to improve performance of generated code.
     * The compiler now recomputes register usage information before
       local register allocation. By providing more accurate information
       to the priority based allocator, we get better register
       allocation.
     * The register reloading phase of the compiler optimizes spill code
       much better than in previous releases.
     * Some bad interactions between the register allocator and
       instruction scheduler have been fixed, resulting in much better
       code for certain programs. Additionally, we have tuned the
       scheduler in various ways to improve performance of generated code
       for some architectures.
     * The compiler's branch shortening algorithms have been
       significantly improved to work better on targets which align jump
       targets.
     * The compiler now supports -Os to prefer optimizing for code space
       over optimizing for code speed.
     * The compiler will now totally eliminate library calls which
       compute constant values. This primarily helps targets with no
       integer div/mul support and targets without floating point
       support.
     * The compiler now supports an extensive "--help" option.
     * cpplib has been greatly improved and may be suitable for limited
       use.
     * Memory footprint for the compiler has been significantly reduced
       for some pathological cases.
     * The time to build EGCS has been improved for certain targets
       (particularly the alpha and mips platforms).
     * Many infrastructure improvements throughout the compiler, plus the
       usual mountain of bugfixes and minor improvements.
     * Target dependent improvements:
          + SPARC port now includes V8 plus and V9 support as well as
            performance tuning for Ultra class machines. The SPARC port
            now uses the Haifa scheduler.
          + Alpha port has been tuned for the EV6 processor and has an
            optimized expansion of memcpy/bzero. The Alpha port now uses
            the Haifa scheduler.
          + RS6000/PowerPC: EGCS 1.1 includes support for the Power64
            architecture and aix4.3 support. The RS6000/PowerPC port now
            uses the Haifa scheduler.
          + x86: Alignment of static store data and jump targets is per
            Intel recommendations now. Various improvements throughout
            the x86 port to improve performance on Pentium processors.
            Conditional move support has been fixed and enabled for PPro
            processors. The x86 port also better supports 64bit
            operations now.
          + MIPS has improved multiply/multiply-add support and now
            includes mips16 ISA support.
          + M68k has many micro-optimizations and Coldfire fixes.
     * Core compiler is based on the GCC development tree from June 9,
       1998, so we have all of the [5]features found in GCC 2.8.
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [6]gnu@gnu.org. There
   are also [7]other ways to contact the FSF.

   These pages are maintained by [8]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [9]gcc@gnu.org or [10]gcc@gcc.gnu.org, send other
    questions to [11]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2002-11-11 [12]Valid XHTML 1.0 

References

   1. http://gcc.gnu.org/onlinedocs/g77/News.html
   2. http://gcc.gnu.org/egcs-1.1/c++features.html
   3. http://gcc.gnu.org/news/gcse.html
   4. http://gcc.gnu.org/news/alias.html
   5. http://gcc.gnu.org/egcs-1.0/features-2.8.html
   6. mailto:gnu@gnu.org
   7. http://www.gnu.org/home.html#ContactInfo
   8. http://gcc.gnu.org/about.html
   9. mailto:gcc@gnu.org
  10. mailto:gcc@gcc.gnu.org
  11. mailto:gnu@gnu.org
  12. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/egcs-1.1/caveats.html

                              EGCS 1.1 Caveats

     * EGCS has an integrated libstdc++, but does not have an integrated
       libg++. Furthermore old libg++ releases will not work with EGCS;
       HJ Lu has made a libg++-2.8.1.2 snapshot available which may work
       with EGCS.
       Note most C++ programs only need libstdc++.
     * Exception handling may not work with shared libraries,
       particularly on alphas, hppas, rs6000/powerpc and mips based
       platforms. Exception handling is known to work on x86-linux
       platforms with shared libraries.
     * Some versions of the Linux kernel have bugs which prevent them
       from being compiled or from running when compiled by EGCS. See the
       FAQ (as shipped with EGCS 1.1) for additional information.
     * In general, EGCS is more rigorous about rejecting invalid C++ code
       or deprecated C++ constructs than g++-2.7, g++-2.8 or EGCS 1.0. As
       a result it may be necessary to fix C++ code before it will
       compile with EGCS.
     * G++ is also converting toward the ISO C++ standard; as a result
       code which was previously valid (and thus accepted by other
       compilers and older versions of g++) may no longer be accepted.
     * EGCS 1.1 compiled C++ code is not binary compatible with EGCS
       1.0.x or GCC 2.8.x due to changes necessary to support thread safe
       exception handling.
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [1]gnu@gnu.org. There
   are also [2]other ways to contact the FSF.

   These pages are maintained by [3]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [4]gcc@gnu.org or [5]gcc@gcc.gnu.org, send other
    questions to [6]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2002-12-30 [7]Valid XHTML 1.0 

References

   1. mailto:gnu@gnu.org
   2. http://www.gnu.org/home.html#ContactInfo
   3. http://gcc.gnu.org/about.html
   4. mailto:gcc@gnu.org
   5. mailto:gcc@gcc.gnu.org
   6. mailto:gnu@gnu.org
   7. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/egcs-1.0/egcs-1.0.3.html

                                 EGCS 1.0.3

   May 15, 1998

   We are pleased to announce the release of EGCS 1.0.3.

   EGCS is a collaborative effort involving several groups of hackers
   using an open development model to accelerate development and testing
   of GNU compilers and runtime libraries.

   EGCS 1.0.3 is a minor update to the EGCS 1.0.2 compiler to fix a few
   problems reported by Red Hat for builds of Red Hat 5.1.
     * Generic bugfixes:
          + Fix a typo in the libio library which resulted in incorrect
            behavior of istream::get.
          + Fix the Fortran negative array index problem.
          + Fix a major problem with the ObjC runtime thread support
            exposed by glibc2.
          + Reduce memory consumption of the Haifa scheduler.
     * Target specific bugfixes:
          + Fix one x86 floating point code generation bug exposed by
            glibc2 builds.
          + Fix one x86 internal compiler error exposed by glibc2 builds.
          + Fix profiling bugs on the Alpha.
          + Fix ImageMagick & emacs 20.2 build problems on the Alpha.
          + Fix rs6000/ppc bug when converting values from integer types
            to floating point types.

   An important goal of EGCS is to allow wide scale testing of new
   features and optimizations which are still under development. However,
   EGCS has been carefully tested and should be comparable in quality to
   most GCC releases.

   EGCS 1.0.3 is based on an August 2, 1997 snapshot of the GCC 2.8
   development sources; it contains nearly all of the new features found
   in GCC 2.8.

   EGCS also contains many improvements and features not found in GCC 2.7
   or GCC 2.8.
     * Integrated C++ runtime libraries, including support for most major
       GNU/Linux systems!
     * The integrated libstdc++ library includes a verbatim copy of SGI's
       STL release instead of a modified copy.
     * Integrated GNU Fortran compiler.
     * New instruction scheduler.
     * New alias analysis code.

   See the [1]new features page for a more complete list of new features
   found in EGCS 1.0.x releases.

   The EGCS 1.0.3 release includes installation instructions in both HTML
   and plaintext forms (see the INSTALL directory in the toplevel
   directory of the EGCS 1.0.3 distribution). However, we also keep the
   most up to date [2]installation instructions and [3]build/test status
   on our web page. We will update those pages as new information becomes
   available.

   And, we can't in good conscience fail to mention some [4]caveats to
   using EGCS.

   Update: Big thanks to Stanford for providing a high speed link for
   downloading EGCS (go.cygnus.com)!

   Download EGCS from ftp.cygnus.com (USA California) or go.cygnus.com
   (USA California -- High speed link provided by Stanford).

   The EGCS 1.0.3 release is also available on many mirror sites.
   [5]Goto mirror list to find a closer site

   We'd like to thank the numerous people that have contributed new
   features, test results, bugfixes, etc. Unfortunately, they're far too
   numerous to mention by name.
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [6]gnu@gnu.org. There
   are also [7]other ways to contact the FSF.

   These pages are maintained by [8]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [9]gcc@gnu.org or [10]gcc@gcc.gnu.org, send other
    questions to [11]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2002-11-11 [12]Valid XHTML 1.0 

References

   1. http://gcc.gnu.org/egcs-1.0/features.html
   2. http://gcc.gnu.org/install/
   3. http://gcc.gnu.org/egcs-1.0/buildstat.html
   4. http://gcc.gnu.org/egcs-1.0/caveats.html
   5. http://gcc.gnu.org/mirrors.html
   6. mailto:gnu@gnu.org
   7. http://www.gnu.org/home.html#ContactInfo
   8. http://gcc.gnu.org/about.html
   9. mailto:gcc@gnu.org
  10. mailto:gcc@gcc.gnu.org
  11. mailto:gnu@gnu.org
  12. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/egcs-1.0/egcs-1.0.2.html

                                 EGCS 1.0.2

   March 16, 1998

   We are pleased to announce the release of EGCS 1.0.2.

   EGCS is a collaborative effort involving several groups of hackers
   using an open development model to accelerate development and testing
   of GNU compilers and runtime libraries.

   EGCS 1.0.2 is a minor update to the EGCS 1.0.1 compiler to fix several
   serious problems in EGCS 1.0.1.
     * General improvements and fixes
          + Memory consumption significantly reduced, especially for
            templates and inline functions.
          + Fix various problems with glibc2.1.
          + Fix loop optimization bug exposed by rs6000/ppc port.
          + Fix to avoid potential code generation problems in jump.c.
          + Fix some undefined symbol problems in dwarf1 debug support.
     * g++/libstdc++ improvements and fixes
          + libstdc++ in the EGCS release has been updated and should be
            link compatible with libstdc++-2.8.
          + Various fixes in libio/libstdc++ to work better on Linux
            systems.
          + Fix problems with duplicate symbols on systems that do not
            support weak symbols.
          + Memory corruption bug and undefined symbols in bastring have
            been fixed.
          + Various exception handling fixes.
          + Fix compiler abort for very long thunk names.
     * g77 improvements and fixes
          + Fix compiler crash for omitted bound in Fortran CASE
            statement.
          + Add missing entries to g77 lang-options.
          + Fix problem with -fpedantic in the g77 compiler.
          + Fix "backspace" problem with g77 on alphas.
          + Fix x86 backend problem with Fortran literals and -fpic.
          + Fix some of the problems with negative subscripts for g77 on
            alphas.
          + Fixes for Fortran builds on cygwin32/mingw32.
     * platform specific improvements and fixes
          + Fix long double problems on x86 (exposed by glibc).
          + x86 ports define i386 again to keep imake happy.
          + Fix exception handling support on NetBSD ports.
          + Several changes to collect2 to fix many problems with AIX.
          + Define __ELF__ for rs6000/linux.
          + Fix -mcall-linux problem on rs6000/linux.
          + Fix stdarg/vararg problem for rs6000/linux.
          + Allow autoconf to select a proper install problem on AIX 3.1.
          + m68k port support includes -mcpu32 option as well as cpu32
            multilibs.
          + Fix stdarg bug for irix6.
          + Allow EGCS to build on irix5 without the gnu assembler.
          + Fix problem with static linking on sco5.
          + Fix bootstrap on sco5 with native compiler.
          + Fix for abort building newlib on H8 target.
          + Fix fixincludes handling of math.h on SunOS.
          + Minor fix for Motorola 3300 m68k systems.

   An important goal of EGCS is to allow wide scale testing of new
   features and optimizations which are still under development. However,
   EGCS has been carefully tested and should be comparable in quality to
   most GCC releases.

   EGCS 1.0.2 is based on an August 2, 1997 snapshot of the GCC 2.8
   development sources; it contains nearly all of the new features found
   in GCC 2.8.

   EGCS also contains many improvements and features not found in GCC 2.7
   or GCC 2.8.
     * Integrated C++ runtime libraries, including support for most major
       linux systems!
     * The integrated libstdc++ library includes a verbatim copy of SGI's
       STL release.
     * Integrated GNU Fortran compiler.
     * New instruction scheduler.
     * New alias analysis code.

   See the [1]new features page for a more complete list of new features
   found in EGCS 1.0.x releases.

   The EGCS 1.0.2 release includes installation instructions in both HTML
   and plaintext forms (see the INSTALL directory in the toplevel
   directory of the EGCS 1.0.2 distribution). However, we also keep the
   most up to date [2]installation instructions and [3]build/test status
   on our web page. We will update those pages as new information becomes
   available.

   And, we can't in good conscience fail to mention some [4]caveats to
   using EGCS.

   Update: Big thanks to Stanford for providing a high speed link for
   downloading EGCS (go.cygnus.com)!

   Download EGCS from ftp.cygnus.com (USA California) or go.cygnus.com
   (USA California -- High speed link provided by Stanford).

   The EGCS 1.0.2 release is also available on many mirror sites.
   [5]Goto mirror list to find a closer site

   We'd like to thank the numerous people that have contributed new
   features, test results, bugfixes, etc. Unfortunately, they're far too
   numerous to mention by name.
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [6]gnu@gnu.org. There
   are also [7]other ways to contact the FSF.

   These pages are maintained by [8]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [9]gcc@gnu.org or [10]gcc@gcc.gnu.org, send other
    questions to [11]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2003-01-04 [12]Valid XHTML 1.0 

References

   1. http://gcc.gnu.org/egcs-1.0/features.html
   2. http://gcc.gnu.org/install/index.html
   3. http://gcc.gnu.org/egcs-1.0/buildstat.html
   4. http://gcc.gnu.org/egcs-1.0/caveats.html
   5. http://gcc.gnu.org/mirrors.html
   6. mailto:gnu@gnu.org
   7. http://www.gnu.org/home.html#ContactInfo
   8. http://gcc.gnu.org/about.html
   9. mailto:gcc@gnu.org
  10. mailto:gcc@gcc.gnu.org
  11. mailto:gnu@gnu.org
  12. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/egcs-1.0/egcs-1.0.1.html

                                 EGCS 1.0.1

   January 6, 1998

   We are pleased to announce the release of EGCS 1.0.1.

   EGCS is a collaborative effort involving several groups of hackers
   using an open development model to accelerate development and testing
   of GNU compilers and runtime libraries.

   EGCS 1.0.1 is a minor update to the EGCS 1.0 compiler to fix a few
   critical bugs and add support for Red Hat 5.0 Linux. Changes since the
   EGCS 1.0 release:
     * Add support for Red Hat 5.0 Linux and better support for Linux
       systems using glibc2.
       Many programs failed to link when compiled with EGCS 1.0 on Red
       Hat 5.0 or on systems with newer versions of glibc2. EGCS 1.0.1
       should fix these problems.
     * Compatibility with both EGCS 1.0 and GCC 2.8 libgcc exception
       handling interfaces.
       To avoid future compatibility problems, we strongly urge anyone
       who is planning on distributing shared libraries that contain C++
       code to upgrade to EGCS 1.0.1 first.
       Soon after EGCS 1.0 was released, the GCC developers made some
       incompatible changes in libgcc's exception handling interfaces.
       These changes were needed to solve problems on some platforms.
       This means that GCC 2.8.0, when released, will not be seamlessly
       compatible with shared libraries built by EGCS 1.0. The reason is
       that the libgcc.a in GCC 2.8.0 will not contain a function needed
       by the old interface.
       The result of this is that there may be compatibility problems
       with shared libraries built by EGCS 1.0 when used with GCC 2.8.0.
       With EGCS 1.0.1, generated code uses the new (GCC 2.8.0)
       interface, and libgcc.a has the support routines for both the old
       and the new interfaces (so EGCS 1.0.1 and EGCS 1.0 code can be
       freely mixed, and EGCS 1.0.1 and GCC 2.8.0 code can be freely
       mixed).
       The maintainers of GCC 2.x have decided against including seamless
       support for the old interface in 2.8.0, since it was never
       "official", so to avoid future compatibility problems we recommend
       against distributing any shared libraries built by EGCS 1.0 that
       contain C++ code (upgrade to 1.0.1 and use that).
     * Various bugfixes in the x86, hppa, mips, and rs6000/ppc backends.
       The x86 changes fix code generation errors exposed when building
       glibc2 and the Linux dynamic linker (ld.so).
       The hppa change fixes a compiler abort when configured for use
       with RTEMS.
       The MIPS changes fix problems with the definition of LONG_MAX on
       newer systems, allow for command line selection of the target ABI,
       and fix one code generation problem.
       The rs6000/ppc change fixes some problems with passing structures
       to varargs/stdarg functions.
     * A few machine independent bugfixes, mostly to fix code generation
       errors when building Linux kernels or glibc.
     * Fix a few critical exception handling and template bugs in the C++
       compiler.
     * Fix Fortran namelist bug on alphas.
     * Fix build problems on x86-solaris systems.

   An important goal of EGCS is to allow wide scale testing of new
   features and optimizations which are still under development. However,
   EGCS has been carefully tested and should be comparable in quality to
   most GCC releases.

   EGCS 1.0.1 is based on an August 2, 1997 snapshot of the GCC 2.8
   development sources; it contains nearly all of the new features found
   in GCC 2.8.

   EGCS also contains many improvements and features not found in GCC 2.7
   and even the soon to be released GCC 2.8 compilers.
     * Integrated C++ runtime libraries, including support for most major
       linux systems!
     * The integrated libstdc++ library includes a verbatim copy of SGI's
       STL release.
     * Integrated GNU Fortran compiler
     * New instruction scheduler
     * New alias analysis code

   See the [1]new features page for a more complete list of new features
   found in EGCS 1.0.x releases.

   The EGCS 1.0.1 release includes installation instructions in both HTML
   and plaintext forms (see the INSTALL directory in the toplevel
   directory of the EGCS 1.0.1 distribution). However, we also keep the
   most up to date [2]installation instructions and [3]build/test status
   on our web page. We will update those pages as new information becomes
   available.

   And, we can't in good conscience fail to mention some [4]caveats to
   using EGCS.

   Update: Big thanks to Stanford for providing a high speed link for
   downloading EGCS (go.cygnus.com)!

   Download EGCS from ftp.cygnus.com (USA California) or go.cygnus.com
   (USA California -- High speed link provided by Stanford).

   The EGCS 1.0.1 release is also available on many mirror sites.
   [5]Goto mirror list to find a closer site

   We'd like to thank the numerous people that have contributed new
   features, test results, bugfixes, etc. Unfortunately, they're far too
   numerous to mention by name.
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [6]gnu@gnu.org. There
   are also [7]other ways to contact the FSF.

   These pages are maintained by [8]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [9]gcc@gnu.org or [10]gcc@gcc.gnu.org, send other
    questions to [11]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2002-11-11 [12]Valid XHTML 1.0 

References

   1. http://gcc.gnu.org/egcs-1.0/features.html
   2. http://gcc.gnu.org/install/index.html
   3. http://gcc.gnu.org/egcs-1.0/buildstat.html
   4. http://gcc.gnu.org/egcs-1.0/caveats.html
   5. http://gcc.gnu.org/mirrors.html
   6. mailto:gnu@gnu.org
   7. http://www.gnu.org/home.html#ContactInfo
   8. http://gcc.gnu.org/about.html
   9. mailto:gcc@gnu.org
  10. mailto:gcc@gcc.gnu.org
  11. mailto:gnu@gnu.org
  12. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/egcs-1.0/egcs-1.0.html

                                  EGCS 1.0

   December 3, 1997

   We are pleased to announce the release of EGCS 1.0.

   EGCS is a collaborative effort involving several groups of hackers
   using an open development model to accelerate development and testing
   of GNU compilers and runtime libraries.

   An important goal of EGCS is to allow wide scale testing of
   experimental features and optimizations; therefore, EGCS contains some
   features and optimizations which are still under development. However,
   EGCS has been carefully tested and should be comparable in quality to
   most GCC releases.

   EGCS 1.0 is based on an August 2, 1997 snapshot of the GCC 2.8
   development sources; it contains nearly all of the new features found
   in GCC 2.8.

   EGCS 1.0 also contains many improvements and features not found in GCC
   2.7 and even the soon to be released GCC 2.8 compilers.
     * Integrated C++ runtime libraries, including support for most major
       linux systems!
     * The integrated libstdc++ library includes a verbatim copy of SGI's
       STL release.
     * Integrated GNU Fortran compiler.
     * New instruction scheduler.
     * New alias analysis code.

   See the [1]new features page for a more complete list of new features.

   The EGCS 1.0 release includes installation instructions in both HTML
   and plaintext forms (see the INSTALL directory in the toplevel
   directory of the EGCS 1.0 distribution). However, we also keep the
   most up to date [2]installation instructions and [3]build/test status
   on our web page. We will update those pages as new information becomes
   available.

   And, we can't in good conscience fail to mention some [4]caveats to
   using EGCS.

   Update: The T1 into our main California offices has been 100%
   saturated since shortly after the release. We've added an EGCS 1.0
   mirror at our Massachusetts office to help share the load. We also
   encourage folks to use the many mirrors available throughout the
   world.

   Update: Big thanks to Stanford for providing a high speed link for
   downloading EGCS (go.cygnus.com)!

   Download EGCS from ftp.cygnus.com (USA California) or go.cygnus.com
   (USA California -- High speed link provided by Stanford).

   The EGCS 1.0 release should be available on most mirror sites by now.
   [5]Goto mirror list to find a closer site

   We'd like to thank the numerous people that have contributed new
   features, test results, bugfixes, etc. Unfortunately, they're far too
   numerous to mention by name.
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [6]gnu@gnu.org. There
   are also [7]other ways to contact the FSF.

   These pages are maintained by [8]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [9]gcc@gnu.org or [10]gcc@gcc.gnu.org, send other
    questions to [11]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2002-11-11 [12]Valid XHTML 1.0 

References

   1. http://gcc.gnu.org/egcs-1.0/features.html
   2. http://gcc.gnu.org/install/index.html
   3. http://gcc.gnu.org/egcs-1.0/buildstat.html
   4. http://gcc.gnu.org/egcs-1.0/caveats.html
   5. http://gcc.gnu.org/mirrors.html
   6. mailto:gnu@gnu.org
   7. http://www.gnu.org/home.html#ContactInfo
   8. http://gcc.gnu.org/about.html
   9. mailto:gcc@gnu.org
  10. mailto:gcc@gcc.gnu.org
  11. mailto:gnu@gnu.org
  12. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/egcs-1.0/features.html

                             EGCS 1.0 features

     * Core compiler is based on the gcc2 development tree from Aug 2,
       1997, so we have most of the [1]features found in GCC 2.8.
     * Integrated GNU Fortran compiler based on g77-0.5.22-19970929.
     * Vast improvements in the C++ compiler; so many they have [2]page
       of their own!
     * Integrated C++ runtime libraries, including support for most major
       linux systems!
     * New instruction scheduler from IBM Haifa which includes support
       for function wide instruction scheduling as well as superscalar
       scheduling.
     * Significantly improved alias analysis code.
     * Improved register allocation for two address machines.
     * Significant code generation improvements for Fortran code on
       Alphas.
     * Various optimizations from the g77 project as well as improved
       loop optimizations.
     * Dwarf2 debug format support for some targets.
     * egcs libstdc++ includes the SGI STL implementation without
       changes.
     * As a result of these and other changes, egcs libstc++ is not
       binary compatible with previous releases of libstdc++.
     * Various new ports -- UltraSPARC, Irix6.2 & Irix6.3 support, The
       SCO Openserver 5 family (5.0.{0,2,4} and Internet FastStart 1.0
       and 1.1), Support for RTEMS on several embedded targets, Support
       for arm-linux, Mitsubishi M32R, Hitachi H8/S, Matsushita MN102 and
       MN103, NEC V850, Sparclet, Solaris & Linux on PowerPCs, etc.
     * Integrated testsuites for gcc, g++, g77, libstdc++ and libio.
     * RS6000/PowerPC ports generate code which can run on all
       RS6000/PowerPC variants by default.
     * -mcpu= and -march= switches for the x86 port to allow better
       control over how the x86 port generates code.
     * Includes the template repository patch (aka repo patch); note the
       new template code makes repo obsolete for ELF systems using gnu-ld
       such as Linux.
     * Plus the usual assortment of bugfixes and improvements.
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [3]gnu@gnu.org. There
   are also [4]other ways to contact the FSF.

   These pages are maintained by [5]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [6]gcc@gnu.org or [7]gcc@gcc.gnu.org, send other
    questions to [8]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2002-11-11 [9]Valid XHTML 1.0 

References

   1. http://gcc.gnu.org/egcs-1.0/features-2.8.html
   2. http://gcc.gnu.org/egcs-1.0/c++features.html
   3. mailto:gnu@gnu.org
   4. http://www.gnu.org/home.html#ContactInfo
   5. http://gcc.gnu.org/about.html
   6. mailto:gcc@gnu.org
   7. mailto:gcc@gcc.gnu.org
   8. mailto:gnu@gnu.org
   9. http://validator.w3.org/check/referer
======================================================================
http://gcc.gnu.org/egcs-1.0/caveats.html

                              EGCS 1.0 Caveats

     * EGCS has an integrated libstdc++, but does not have an integrated
       libg++. Furthermore old libg++ releases will not work with egc; HJ
       Lu has made a libg++-2.8.1.2 available which may work with EGCS.
       Note most C++ programs only need libstdc++.
     * Note that using -pedantic or -Wreturn-type can cause an explosion
       in the amount of memory needed for template-heavy C++ code, such
       as code that uses STL. Also note that -Wall includes
       -Wreturn-type, so if you use -Wall you will need to specify
       -Wno-return-type to turn it off.
     * Exception handling may not work with shared libraries,
       particularly on alphas, hppas, and mips based platforms. Exception
       handling is known to work on x86-linux platforms with shared
       libraries.
     * Some versions of the Linux kernel have bugs which prevent them
       from being compiled or from running when compiled by EGCS. See the
       FAQ (as shipped with EGCS 1.0) for additional information.
     * In general, EGCS is more rigorous about rejecting invalid C++ code
       or deprecated C++ constructs than G++ 2.7. As a result it may be
       necessary to fix C++ code before it will compile with EGCS.
     * G++ is also aggressively tracking the C++ standard; as a result
       code which was previously valid (and thus accepted by other
       compilers and older versions of G++) may no longer be accepted.
     * EGCS 1.0 may not work with Red Hat Linux 5.0 on all targets. EGCS
       1.0.x and later releases should work with Red Hat Linux 5.0.
     _________________________________________________________________

   Please send FSF & GNU inquiries & questions to [1]gnu@gnu.org. There
   are also [2]other ways to contact the FSF.

   These pages are maintained by [3]The GCC team.


    Please send comments on these web pages and GCC to our public
    mailing list at [4]gcc@gnu.org or [5]gcc@gcc.gnu.org, send other
    questions to [6]gnu@gnu.org.

   Copyright (C) Free Software Foundation, Inc., 59 Temple Place - Suite
   330, Boston, MA 02111, USA.

   Verbatim copying and distribution of this entire article is permitted
   in any medium, provided this notice is preserved.

   Last modified 2002-12-30 [7]Valid XHTML 1.0 

References

   1. mailto:gnu@gnu.org
   2. http://www.gnu.org/home.html#ContactInfo
   3. http://gcc.gnu.org/about.html
   4. mailto:gcc@gnu.org
   5. mailto:gcc@gcc.gnu.org
   6. mailto:gnu@gnu.org
   7. http://validator.w3.org/check/referer
======================================================================
