Mark Mitchell [Fri, 11 Oct 2002 22:42:21 +0000 (22:42 +0000)]
re PR c++/5661 (Gcc 3.0.3 Seg faults compiling bad code)
PR c++/5661
* g++.dg/ext/vlm1.C: New test.
* g++.dg/ext/vlm2.C: Likewise.
PR c++/5661
* cp-tree.h (variably_modified_type_p): New function.
(grokdeclarator) Tighten check for variably modified types as
fields.
* pt.c (convert_template_argument): Do not allow variably modified
types as template arguments.
* tree.c (variably_modified_type_p): New function.
Jan Hubicka [Thu, 10 Oct 2002 15:40:20 +0000 (17:40 +0200)]
re PR rtl-optimization/7951 (ICE on -march=pentium4 -O2 -mfpmath=sse)
PR ice/7951
* reload1.c (emit_input_reload_insns): Use constrain_operands
instead of constraint_accepts_reg_p to verify optimization.
(constraint_accepts_reg_p): Kill
Zack Weinberg [Wed, 9 Oct 2002 21:31:03 +0000 (21:31 +0000)]
re PR c/7353 (Compiler dies on known working code (as of gcc 3.0))
PR c/7353
gcc:
* c-decl.c (start_decl): Unconditionally issue error for
'typedef foo = bar'.
(finish_decl): Remove special case for TYPE_DECL with initializer.
* doc/extend.texi: Delete "Naming Types" section. Change all
cross-references to that section to refer to "Typeof" instead.
Add the useful safe-max()-macro example from "Naming Types" to
"Typeof", rewritten using that extension.
gcc/cp:
* decl.c (start_decl): Unconditionally issue error for
'typedef foo = bar'.
(cp_finish_decl): Remove special case for TYPE_DECL with initializer.
(grokdeclarator): Remove redundant error for 'typedef foo = bar'.
gcc/testsuite:
* g++.dg/ext/typedef-init.C: New test.
* gcc.dg/typedef-init.c: New test.
Mark Mitchell [Tue, 8 Oct 2002 22:53:21 +0000 (22:53 +0000)]
re PR c++/7754 (ICE SIGSEGV on union with template parameter)
PR c++/7754
* decl2.c (finish_anon_union): Do not expand anonymous unions when
procesing template functions.
* pt.c (tsubst_decl, case VAR_DECL): Try to complete the variable
type. Call layout_decl.
(tsubst_expr, case DECL_STMT): Handle anonymous unions.
Roger Sayle [Sun, 6 Oct 2002 23:02:12 +0000 (23:02 +0000)]
re PR rtl-optimization/6627 (-fno-align-functions regression from 2.95)
PR optimization/6627
* toplev.c (force_align_functions_log): New global variable.
* flags.h (force_align_functions_log): Add extern prototype.
* varasm.c (assemble_start_function): Use it to force minimum
function alignment.
* config/i386/i386.h (FUNCTION_BOUNDARY): Set the correct
minimum function alignment to one byte.
(TARGET_PTRMEMFUNC_VBIT_LOCATION): Store the virtual bit in
the least significant bit of vtable member function pointers.
* tree.h (enum ptrmemfunc_vbit_where_t): Move definition to
here from cp/cp-tree.h.
* cp/cp-tree.h (enum ptrmemfunc_vbit_where_t): Delete definition
from here, and move it to tree.h.
* cp/decl.c (cxx_init_decl_processing): If storing the vbit
in function pointers, ensure that force_align_functions_log
is atleast one.
* java/lang.c (java_init): If storing the vbit in function
pointers, ensure that force_align_functions_log is atleast
one to aid compatability with g++ vtables.
Jakub Jelinek [Sat, 5 Oct 2002 21:32:10 +0000 (23:32 +0200)]
gcc.c (set_multilib_dir): Don't access *end.
* gcc.c (set_multilib_dir): Don't access *end.
Use memcpy instead of strncpy. Don't write beyond malloced buffer.
(print_multilib_info): Don't show paths starting with ".:".
* genmultilib: Add new option, "yes" if multilibs are enabled.
Update comments. If multilibs not enabled, print .:${osdirout}
for each directory. If multilibs are enabled, always print
${dirout}:${osdirout}, even if the two are the same.
* Makefile.in (s-mlib): Pass @enable_multilib@ to genmultilib.
Pass all MULTILIB_* variables to genmultilib even if
--disable-multilib but MULTILIB_OSDIRNAMES is not empty.
* gcc.c (print_multi_os_directory): New variable.
(option_map): Support --print-multi-os-directory.
(struct prefix_list): Add os_multilib field.
(multilib_os_dir): New variable.
(static_specs): Add multilib_options.
(find_a_file): Add multilib argument. Search in GCC or OS multilib
subdirs if non-zero.
(read_specs, execute): Update callers.
(find_file): Likewise. Don't prefix name with multilib_dir, instead
pass 1 as multilib option.
(display_help): Include --print-multi-os-directory.
(add_prefix): Add os_multilib argument. Initialize pl->os_multilib.
(process_command): Update callers. Handle --print-multi-os-directory.
(do_spec_1) ['D']: Use multilib_os_directory if pl->os_multilib is
set.
(main): Update find_a_file and add_prefix callers.
Handle print_multi_os_directory.
(struct mdswitchstr): New.
(mdswitches, n_mdswitches): New variables.
(used_arg): Add MULTILIB_DEFAULT switches too if they are not
present on the command line nor their mutually incompatible
switches.
(default_arg): Optimize.
(set_multilib_dir): Compute multilib_os_dir. Initialize mdswitches
array.
(print_multilib_info): Only print GCC multilib dir name, not OS
multilib dirname.
* genmultilib: Add osdirnames parameter. Output multilib_options
variable. If osdirnames is specified, output dirnames as
dirname:osdirname.
* mklibgcc.in: Use MULTILIB_OSDIRNAMES, --print-multi-directory
and --print-multi-os-directory instead of SHLIB_SLIBDIR_SUFFIXES
to compute libgcc_s soname and install path.
* Makefile.in (libgcc.mk): Pass MULTILIB_OSDIRNAMES instead of
SHLIB_SLIBDIR_SUFFIXES to mklibgcc.
(s_mlib): Pass MULTILIB_OSDIRNAMES or nothing as last genmultilib
argument.
Mark Mitchell [Fri, 4 Oct 2002 05:25:15 +0000 (05:25 +0000)]
re PR c++/7754 (ICE SIGSEGV on union with template parameter)
PR c++/7754
* decl2.c (finish_anon_union): Do not expand anonymous unions when
procesing template functions.
* pt.c (tsubst_decl, case VAR_DECL): Try to complete the variable
type. Call layout_decl.
(tsubst_expr, case DECL_STMT): Handle anonymous unions.
J"orn Rennecke [Wed, 2 Oct 2002 18:08:00 +0000 (18:08 +0000)]
loop.c (scan_loop): Don't mark separate insns out of a libcall for moving.
Thu Sep 5 00:34:33 2002 J"orn Rennecke <joern.rennecke@superh.com>
* loop.c (scan_loop): Don't mark separate insns out of a libcall
for moving.
(move_movables): Abort if we see the first insn of a libcall.
Bob Wilson [Mon, 30 Sep 2002 20:34:09 +0000 (20:34 +0000)]
xtensa.h (REG_CLASS_NAMES, [...]): Add new RL_REGS register class.
* config/xtensa/xtensa.h (REG_CLASS_NAMES, REG_CLASS_CONTENTS):
Add new RL_REGS register class.
(PREFERRED_RELOAD_CLASS, PREFERRED_OUTPUT_RELOAD_CLASS):
Call xtensa_preferred_reload_class for both input and output reloads.
* config/xtensa/xtensa.c (xtensa_regno_to_class): Use new RL_REGS class.
(xtensa_preferred_reload_class): Handle output reloads; use RL_REGS
instead of either AR_REGS or GR_REGS classes.
(xtensa_secondary_reload_class): Use new RL_REGS class.
* config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class): Update.
2002-08-21 John David Anglin <dave@hiauly1.hia.nrc.ca>
* cppinit.c (remove_dup_nonsys_dirs): Fix warning and return value.
2002-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
* cppinit.c (remove_dup_dir): Add head_ptr argument to handle removal
at head.
(remove_dup_nonsys_dirs): New function.
(remove_dup_dirs): Change argument head to head_ptr. Remove warnings.
(merge_include_chains): Remove non-system include directories from
quote and bracket include chains when they duplicate equivalent system
directories.
* doc/cpp.texi (-I): Update.
* doc/cppopts.texi (-I): Update.
* doc/install.texi (--with-local-prefix): Further document usage of
this option.
* doc/invoke.texi (-I): Update.
Richard Earnshaw [Mon, 30 Sep 2002 11:54:00 +0000 (11:54 +0000)]
arm.h (BASE_REG_CLASS): Always return LO_REGS for Thumb.
* arm.h (BASE_REG_CLASS): Always return LO_REGS for Thumb.
(MODE_BASE_REG_CLASS, case Thumb): Only return BASE_REGS if we know
that we have a SImode access, and only then if reload hasn't completed;
for all other cases, use LO_REGS.
re PR preprocessor/8055 (PATCH: cpp0 dies with SIG11 when building FreeBSD kernel)
2002-09-27 Alexander N. Kabaev <ak03@gte.com>
PR preprocessor/8055
* cppmacro.c (stringify_arg): Do not overflow the buffer
with the terminating NUL when the argument to be stringified
has no tokens.
* gcc.dg/cpp/20020927-1.c: New.