* invoke.texi (-fstrict-aliasing): Document.
* rtl.texi (MEM_ALIAS_SET): Document.
* flags.h (flag_strict_aliasing): Declare.
* toplev.c (flag_strict_aliasing): Define.
(f_options): Add -strict-aliasing.
(main): Set flag_strict_aliasing if -O2 or higher.
* tree.h (tree_type): Add alias_set field.
(TYPE_ALIAS_SET): New macro.
(TYPE_ALIAS_SET_KNOWN_P): Likewise.
(get_alias_set): Declare.
* tree.c (lang_get_alias_set): Define.
(make_node): Initialize TYPE_ALIAS_SET.
(get_alias_set): New function.
* print-tree.c (print_node): Dump the alias set for a type.
* c-tree.h (c_get_alias_set): Declare.
* c-common.c (c_get_alias_set): New function.
* c-decl.c (init_decl_processing): Set lang_get_alias_set.
* expr.c (protect_from_queue): Propogage alias sets.
(expand_assignment): Calculate alias set for new MEMs.
(expand_expr): Likewise.
* function.c (put_var_into_stack): Likewise.
(put_reg_into_stack): Likewise.
(gen_mem_addressof): Likewise.
(assign_parms): Likewise.
* stmt.c (expand_decl): Likewise.
* varasm.c (make_decl_rtl): Eliminate redundant clearing of
DECL_RTL. Calculate alias set for new MEMs.
* rtl.def (REG): Add dummy operand.
(MEM): Add extra operand to store the MEM_ALIAS_SET.
* rtl.h (MEM_ALIAS_SET): New macro.
(gen_rtx_MEM): Declare.
* emit-rtl.c (gen_rtx_MEM): New function.
* gengenrtl.c (sepcial_rtx): Make MEMs special.
* alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): New macro.
(DIFFERENT_ALIAS_SETS_P): Likewise.
(canon_rtx): Propogate the alias set to the new MEM.
(true_dependence): Check the alias sets.
(anti_dependence): Likewise.
(output_dependence): Likewise.
* explow.c (stabilize): Progoate alias sets.
* integrate.c (copy_rtx_and_substitute): Likewise.
* final.c (alter_subreg): Make sure not to leave MEM_IN_STRUCT_P
in an unpredictable state. Propogate alias sets.
* reload1.c (reload): Clear MEM_ALIAS_SET for new MEMs about which
we have no alias information.
From-SVN: r20719
Thu Jun 25 16:59:18 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
* except.h (CATCH_ALL_TYPE): Definition moved to eh-common.h.
(find_all_handler_type_matches): Add function prototype.
* eh-common.h (CATCH_ALL_TYPE): Definition added.
* except.c (find_all_handler_type_matches): Add function to find all
runtime type info in the exception table.
(output_exception_table_entry): Special case for CATCH_ALL_TYPE.
1998-06-25 Andrew MacLeod <amacleod@cygnus.com>
* cp-tree.h (mark_all_runtime_matches): Add function prototype.
* except.c (mark_all_runtime_matches): Set TREE_SYMBOL_REFERENCED
flag for all function decls which are in the exception table.
* exception.cc (__cplus_type_matcher): Check for CATCH_ALL_TYPE match.
* decl2.c (finish_file): Call mark_all_runtime_matches to make sure
code is emitted for any referenced rtti function.
From-SVN: r20718
Thu Jun 25 11:12:29 1998 Dave Brolley <brolley@cygnus.com>
* gcc.c (default_compilers): Use new | syntax to eliminate
string concatenation.
From-SVN: r20711
* expr.c (expand_assignment): Rework address calculation for structure
field members to expose more invariant computations to the loop
optimizer.
(expand_expr): Likewise.
From-SVN: r20705
* local-alloc.c (block_alloc): Do not try to avoid false dependencies
when SMALL_REGISTER_CLASSES is nonzero.
Fixes x86 performance regression.
From-SVN: r20704
* expr.c (get_memory_rtx): New function.
(expand_builtin): Call get_memory_rtx for MEM arguments to builtin
string functions.
* expmed.c (init_expmed): Initialize all elements of *_cost arrays.
From-SVN: r20700
1998-06-23 Dave Love <d.love@dl.ac.uk>
* libI77/backspace.c, libI77/dfe.c, libI77/due.c, libI77/iio.c,
libI77/lread.c, libI77/ sfe.c, libI77/sue.c, libI77/wsfe.c: Update
to Netlib version of 1998-06-18.
From-SVN: r20696
d
egcs/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* configure (enable_version_specific_runtime_libs): Implement new flag
--enable-version-specific-runtime-libs which installs C++ runtime stuff in
$(libsubdir); emit definition in each generated Makefile.
(gxx_include_dir): Initialize depending on $enable_version_specific_runtime_libs.
egcs/gcc/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* configure.in (gxx_include_dir): Initialize default value depending on
new flag --enable-version-specific-runtime-libs; remove superfluous default
initialization afterwards.
* configure: Regenerate.
egcs/libio/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* Makefile.in (install): Install _G_config.h depending on new flag
--enable-version-specific-runtime-libs.
* config/linux.mt (gxx_include_dir): Remove definition here as we use
gcc's default anyway.
egcs/libstdc++/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* Makefile.in (INSTALLDIR): Add comment to document the fact,
this macro will be properly initialized at make's runtime.
(install): Add initialization of INSTALLDIR depending on $(libsubdir)
and ${enable_version_specific_runtime_libs}; use $${INSTALLDIR} shell variable
instead of the $(INSTALLDIR) make macro.
From-SVN: r20694
S
egcs/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* configure (enable_version_specific_runtime_libs): Implement new flag
--enable-version-specific-runtime-libs which installs C++ runtime stuff in
$(libsubdir); emit definition in each generated Makefile.
(gxx_include_dir): Initialize depending on $enable_version_specific_runtime_libs.
egcs/gcc/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* configure.in (gxx_include_dir): Initialize default value depending on
new flag --enable-version-specific-runtime-libs; remove superfluous default
initialization afterwards.
* configure: Regenerate.
egcs/libio/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* Makefile.in (install): Install _G_config.h depending on new flag
--enable-version-specific-runtime-libs.
* config/linux.mt (gxx_include_dir): Remove definition here as we use
gcc's default anyway.
egcs/libstdc++/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* Makefile.in (INSTALLDIR): Add comment to document the fact,
this macro will be properly initialized at make's runtime.
(install): Add initialization of INSTALLDIR depending on $(libsubdir)
and ${enable_version_specific_runtime_libs}; use $${INSTALLDIR} shell variable
instead of the $(INSTALLDIR) make macro.
From-SVN: r20693
#
egcs/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* configure (enable_version_specific_runtime_libs): Implement new flag
--enable-version-specific-runtime-libs which installs C++ runtime stuff in
$(libsubdir); emit definition in each generated Makefile.
(gxx_include_dir): Initialize depending on $enable_version_specific_runtime_libs.
egcs/gcc/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* configure.in (gxx_include_dir): Initialize default value depending on
new flag --enable-version-specific-runtime-libs; remove superfluous default
initialization afterwards.
* configure: Regenerate.
egcs/libio/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* Makefile.in (install): Install _G_config.h depending on new flag
--enable-version-specific-runtime-libs.
* config/linux.mt (gxx_include_dir): Remove definition here as we use
gcc's default anyway.
egcs/libstdc++/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* Makefile.in (INSTALLDIR): Add comment to document the fact,
this macro will be properly initialized at make's runtime.
(install): Add initialization of INSTALLDIR depending on $(libsubdir)
and ${enable_version_specific_runtime_libs}; use $${INSTALLDIR} shell variable
instead of the $(INSTALLDIR) make macro.
From-SVN: r20692
a
egcs/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* configure (enable_version_specific_runtime_libs): Implement new flag
--enable-version-specific-runtime-libs which installs C++ runtime stuff in
$(libsubdir); emit definition in each generated Makefile.
(gxx_include_dir): Initialize depending on $enable_version_specific_runtime_libs.
egcs/gcc/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* configure.in (gxx_include_dir): Initialize default value depending on
new flag --enable-version-specific-runtime-libs; remove superfluous default
initialization afterwards.
* configure: Regenerate.
egcs/libio/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* Makefile.in (install): Install _G_config.h depending on new flag
--enable-version-specific-runtime-libs.
* config/linux.mt (gxx_include_dir): Remove definition here as we use
gcc's default anyway.
egcs/libstdc++/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* Makefile.in (INSTALLDIR): Add comment to document the fact,
this macro will be properly initialized at make's runtime.
(install): Add initialization of INSTALLDIR depending on $(libsubdir)
and ${enable_version_specific_runtime_libs}; use $${INSTALLDIR} shell variable
instead of the $(INSTALLDIR) make macro.
From-SVN: r20691
�
egcs/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* configure (enable_version_specific_runtime_libs): Implement new flag
--enable-version-specific-runtime-libs which installs C++ runtime stuff in
$(libsubdir); emit definition in each generated Makefile.
(gxx_include_dir): Initialize depending on $enable_version_specific_runtime_libs.
egcs/gcc/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* configure.in (gxx_include_dir): Initialize default value depending on
new flag --enable-version-specific-runtime-libs; remove superfluous default
initialization afterwards.
* configure: Regenerate.
egcs/libio/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* Makefile.in (install): Install _G_config.h depending on new flag
--enable-version-specific-runtime-libs.
* config/linux.mt (gxx_include_dir): Remove definition here as we use
gcc's default anyway.
egcs/libstdc++/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* Makefile.in (INSTALLDIR): Add comment to document the fact,
this macro will be properly initialized at make's runtime.
(install): Add initialization of INSTALLDIR depending on $(libsubdir)
and ${enable_version_specific_runtime_libs}; use $${INSTALLDIR} shell variable
instead of the $(INSTALLDIR) make macro.
From-SVN: r20690
d
egcs/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* configure (gcc_version): Initialize properly depending on
how and where configure is started.
(recursion line): Pass a --with-gcc-version=${gcc_version}
to configures in subdirs.
egcs/libf2c/ChangeLog.egcs:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* Makefile.in (version): Rename to gcc_version.
* configure.in (version): Likewise.
(gcc_version): Add code to use an option passed from parent configure.
* configure: Regenerate.
egcs/libio/ChangeLog:
1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
* config.shared (FLAGS_TO_PASS): Add gcc_version.
From-SVN: r20687
1998-06-23 Dave Love <d.love@dl.ac.uk>
* libI77/backspace.c, libI77/dfe.c, libI77/due.c, libI77/iio.c,
libI77/lread.c, libI77/ sfe.c, libI77/sue.c, libI77/wsfe.c: Update
to Netlib version of 1998-06-18.
From-SVN: r20678
Tue Jun 23 13:38:18 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
* libgcc2.c (__get_eh_table_version, __get_eh_table_language): New
functions to return exception descriptor information.
(find_exception_handler): Pass match_info field to runtime matcher,
not a descriptor table entry.
* exception.cc (__cplus_type_matcher): Get a match_info pointer
instead of an exception table entry as a parameter.
From-SVN: r20673
Manfred Hollstein
Jeff Law
Mark Mitchell
Benjamin Kosnik
Andrew MacLeod
Kaveh R. Ghazi
Nick Clifton
Dave Brolley
Jason Merrill
Richard Henderson
Herman A.J. ten Brugge
Jeffrey A Law
Klaus Kaempf
John Carr
Dave Love
David S. Miller
Alexandre Oliva
Ken Raeburn
Dave Love