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8sa1-gcc/gcc/ChangeLog
Michael Hayes 0ab409ed42 flow.c (flow_call_edges_add): New. 
* flow.c (flow_call_edges_add): New.
	* basic_block.h (flow_call_edges_add): New.

From-SVN: r38899
2001-01-11 09:13:02 +00:00

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2001-01-11 Michael Hayes <mhayes@redhat.com>
* flow.c (flow_call_edges_add): New.
* basic_block.h (flow_call_edges_add): New.
2001-01-11 J"orn Rennecke <amylaar@redhat.com>
* reload1.c (move2add_note_store): Update reg_set_luid even if
base reg remains the same.
2001-01-10 Nick Clifton <nickc@redhat.com>
* config/d30v/d30v.c (d30v_init_machine_status): Initialise
machine_function structure to zero.
Add prototypes for machine_status functions.
2001-01-10 Mark Mitchell <mark@codesourcery.com>
* c-common.h (CTI_VOID_LIST): Remove.
(void_list_node): Likewise.
* tree.h (TI_VOID_LIST_NODE): New enumeral.
(void_list_node): New macro.
* config/arm/arm.c (arm_init_builtins): Use void_list_node.
* config/i386/i386.c (ix86_init_builtins): Likewise.
* config/ia64a/ia64.c (ia64_init_builtins): Likewise.
2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
* Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
* cppinit.c (cpp_start_read): Update comment, remove unneeded
if statement.
* tradcpp.c: Include mkdeps.h.
(deps, print_deps_phony_targets, deps_append, output_deps,
init_dependency_output, output_deps): New.
(deps_buffer, deps_allocated_size, deps_size, deps_column,
deps_output): Delete.
(print_deps_missing_files): Rename deps_missing_files.
(inhibit_output): Make global.
(main): Delete inhibit_output, deps_stream, deps_target.
Use mkdeps functionality in the same way as cpplib. Remove
-g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
-M and -MM. Remove old handling of deps via deps_out, and
old reading of environment variables.
(get_filename): Update to use deps_add_dep.
2001-01-10 Mark Mitchell <mark@codesourcery.com>
* output.h (make_function_rtl): Remove prototype.
(make_decl_rtl): Likewise.
* varasm.c (make_function_rtl): Remove.
(make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
than from a third parameter.
* tree.h (make_decl_rtl): Remove last parameter.
* c-decl.c (builtin_function): Remove last argument in call to
make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
(start_function): Likewise.
* except.c (call_get_eh_context): Likewise.
* expr.c (emit_block_move): Likewise.
(clear_storage): Likewise.
* profile.c (output_func_start_profiler): Likewise.
* toplev.c (rest_of_decl_compilation): Likewise.
* objc/objc-act.c (create_builtin_decl): Likewise.
(synth_module_prologue): Likewise.
(generate_static_reference): Likewise.
(build_selector_reference_decl): Likewise.
(build_class_reference_decl): Likewise.
(build_objc_string_decl): Likewise.
(build_protocol_reference): Likewise.
2001-01-10 Richard Henderson <rth@redhat.com>
* hwint.h: Revert yesterday's change.
2001-01-10 Nick Clifton <nickc@redhat.com>
* function.h (save_machine_status): Delete.
(restore_machine_status): Delete.
Amend comment describing {init|mark|free}_machine_status.
* function.c (save_machine_status): Delete.
(restore_machine_status): Delete.
Amend comment describing {init|mark|free}_machine_status.
(push_function_context_to): Remove invocation of
save_machine_status.
(pop_function_context_from): Remove invocation of
restore_machine_status.
* emit-rtl.c (init_emit_once): Amend comment describing
{init|mark|free}_machine_status.
* tm.texi (Per-Function Data): New node. Describe the
INIT_EXPANDERS macro and the {init|mark|free}_machine_status
function pointers.
2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
* cppinit.c (OPT_g): Remove.
(cpp_handle_option): Update for removed -g3.
(print_help): Update.
* cpplib.h (struct cpp_options): Remove debug_output.
* cppmain.c (setup_callbacks, cb_define): Update.
* gcc.c (cpp_options): Translate -g3 to -dD.
2001-01-10 Aldy Hernandez <aldyh@redhat.com>
* config/i960/i960.md: Change modifier to + on the zero_extract
pattern after the (rotate -2 reg) canonicalization pattern.
2001-01-10 Richard Henderson <rth@redhat.com>
* config/alpha/alpha.c (alpha_free_machine_status): New.
(override_options): Install it.
(alpha_mark_machine_status): Verify machine non-null.
* config/i386/i386.c (ix86_free_machine_status): New.
(override_options): Install it.
(ix86_init_machine_status): Use xcalloc.
(ix86_mark_machine_status): Verify machine non-null.
* config/ia64/ia64.c (ia64_free_machine_status): New.
(ia64_override_options): Install it.
(ia64_mark_machine_status): Verify machine non-null.
Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
* function.c (instantiate_virtual_regs): Instantiate virtual
registers found in CALL_INSN_FUNCTION_USAGE.
2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
* i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
equivalent to -ansi in disabling -Di386.
Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
* i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
new functions.
(ix86_expand_fp_compare): Make trivial use of new infrastructure.
2001-01-10 Richard Earnshaw <rearnsha@arm.com>
* arm.c (arm_init_builtins): Temporarily disable xscale builtins.
2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
* invoke.texi: Document that -fcond-mismatch isn't supported for
C++.
2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
* gcc.texi: Define macro gcctabopt.
* invoke.texi: Add manpage sections BUGS and AUTHOR. Use
@command, @env and @option in some places where appropriate. Use
@gcctabopt where appropriate. Put URLs and email addresses inside
@w.
2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
* gcc.c (cpp_options): Set MD file name from output
filename, if specified.
(suffix_subst): New static variable.
(do_spec): Clear it.
(do_spec_1, case '.'): Handle new `%.suffix' spec.
Clear it.
(give_switch): Handle suffix_subst.
2001-01-10 Phil Edwards <pme@sources.redhat.com>
* invoke.texi: Fix another typo.
2001-01-10 Phil Edwards <pme@sources.redhat.com>
* invoke.texi: Fix typo.
2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
* c-lang.c (lang_hooks): Update.
(lang_decode_option): Remove.
(lang_init_options): Rename c_init_options.
* toplev.c (main): Use lang_hooks for lang_init_options
and lang_decode_option.
* toplev.h (lang_hooks): Add 2 new hooks.
* tree.h: Remove lang_init_options and lang_decode_option.
* cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
* cp/decl2.c: Similarly.
* cp/lex.c (lang_init_options): Rename cxx_init_options.
(lang_hooks): Update.
* f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
for consistency.
(lang_init_options): Rename ffe_init_options.
(lang_hooks): Update.
(lang_decode_option): Remove.
* java/lang.c (lang_init_options): Rename java_init_options.
(lang_decode_option): Rename java_decode_option.
(lang_hooks): Update.
* objc/objc-act.c (lang_init_options): Rename objc_init_options.
(lang_decode_option): Rename objc_decode_option.
(lang_hooks): Update.
2001-01-09 Nick Clifton <nickc@redhat.com>
* config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
(d30v_return_addr_rtx): Delete.
(d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
cfun->machine structure.
(struct machine_function): Move to d30v.h
(d30v_save_machine_status): Delete.
(d30v_restore_machine_status): Delete.
(d30v_init_machine_status): New Function.
(d30v_mark_machine_status): New Function.
(d30v_free_machine_status): New Function.
(d30v_init_expanders): Use new functions.
(d30v_return_addr): Use ra_rtx field in cfun->machine.
(d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
d30v_return_addr_rtx.
* config/d30v/d30v.h (struct_machine): Move here.
Add eh_epilogue_sp_ofs field.
*config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
field in cfun->machine structure.
Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
* pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
* pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
* objc/lang-options.h: Remove bogus reference to
Java trademark.
2001-01-09 Kazu Hirata <kazu@hxi.com>
* config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
return the result.
2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
* reload.c (find_reloads_address): Check for eliminable registers
when substituting a constant expression for a pseudo.
2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
* c-common.c (enum format_type): Add format_type_error.
(decode_format_type): New function.
(decl_attributes): Use it.
(format_kind_info): Adjust comment.
2001-01-09 David O'Brien <obrien@BSDi.com>
* config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
files in tm_file.
* config/i386/gnu.h: Don't include required platform specific .h files,
tm.h will do it instead.
* config/i386/i386elf.h: Likewise.
* config/i386/linux.h: Likewise.
* config/i386/moss.h: Likewise.
* config/mips/gnu.h: Likewise.
2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
(rs6000-ibm-aix3.[01]*): Likewise.
(rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
(rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
(rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
(rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
(powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
(powerpc-*-eabiaix*): Likewise.
(powerpc-*-eabisim*): Likewise.
(powerpc-*-elf*): Likewise.
(powerpc-*-eabi*): Likewise.
(powerpc-*-rtems*): Likewise.
(powerpc-*-linux*libc1): Likewise.
(powerpc-*-linux*): Likewise.
(powerpc-wrs-vxworks*): Likewise.
(powerpcle-wrs-vxworks*): Likewise.
(powerpcle-*-sysv*): Likewise.
(powerpcle-*-elf*): Likewise.
(powerpcle-*-eabisim*): Likewise.
(powerpcle-*-eabi*): Likewise.
(powerpcle-*-solaris2*): Likewise.
* config/rs6000/aix31.h: Delete includes.
* config/rs6000/aix3newas.h: Likewise.
* config/rs6000/aix41.h: Likewise.
* config/rs6000/aix43.h: Likewise.
* config/rs6000/beos.h: Likewise.
* config/rs6000/rtems.h: Likewise.
* config/rs6000/sysv4.h: Likewise.
2001-01-09 Kazu Hirata <kazu@hxi.com>
* config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
Change an argument mode of machine_mode to shift_mode of
shift_mode. Remove an extra error check.
(emit_a_shift): Adopt to the new calling prototype of
get_shift_alg.
(function_prologue): Fix code for a monitor
function. Support H8/S.
(function_epilogue): Do not output pop for a monitor function.
2001-01-09 Nick Clifton <nickc@redhat.com>
* config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
(setup_incoming_varargs): Use sysv_varargs_p field of the
cfun->machine structure.
(struct machine_function): Move to rs6000.h
(rs6000_save_machine_status): Delete.
(rs6000_restore_machine_status): Delete.
(rs6000_init_machine_status): New Function.
(rs6000_free_machine_status): New Function.
(rs6000_init_expanders): Use new functions.
* config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
export.
(struct machine_function): Move here.
* config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
sysv_varargs_p field of the cfun->machine structure.
* config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
Remove prototype.
(rs6000_restore_machine_status): Remove prototype.
2001-01-09 Richard Henderson <rth@redhat.com>
* sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
* sched-deps.c (sched_analyze_1): Update uses of struct deps.
(sched_analyze_2, sched_analyze_insn): Likewise.
(sched_analyze, init_deps): Likewise.
(free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
* sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
(compute_block_backward_dependences): Update propagate_deps call.
2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
* gcc.c (process_command): Set switches[n_switches].ordering to 0.
2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
* cppinit.c (OPT_MD, OPT_MMD): Restore.
(cpp_handle_option): Handle them.
(cpp_post_options): Ensure one of -M or -MM is specified with
any other -M? option.
(init_dependency_output): Suppress output with -MG.
2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
* cpp.texi: Update.
* invoke.texi: Update.
2001-01-09 Bernd Schmidt <bernds@redhat.com>
* sh.md (reload_outsf): Generate recognizable patterns for
TARGET_SH3E.
2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
* c-lang.c (lang_hooks): Update.
(lang_init): Rename c_init.
(lang_finish): Remove.
* toplev.c (compile_file): Use lang_hooks for lang_init ()
and lang_finish ().
* toplev.h (lang_hooks): Add init () and finish ().
* tree.h (lang_init, lang_finish): Remove.
* cp/tree.h (lang_init, lang_finish): Remove.
* cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
* cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
lang_hooks): New.
(lang_init, lang_finish): Remove.
* f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
(lang_hooks): Update.
* java/lang.c (lang_init): Rename java_init.
(lang_finish): Remove.
(lang_hooks): Update.
* objc/objc-act.c (lang_init): Rename objc_init.
(lang_finish): Remove.
(lang_hoooks): Update.
20001-01-09 Graham Stott <grahams@redhat.com>
* cppfiles.c (_cpp_execute_include): Move `len` initialisation
after `ptr` is initialised.
2001-01-09 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
(INITIALIZE_TRAMPOLINE): Adjust accordingly.
* config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
stack adjusts, instead of r3.
2001-01-09 Michael Hayes <mhayes@redhat.com>
* flow.c (flow_loop_scan): Break out of ...
(flow_loops_find) ... here.
* basic-block.h (flow_loop_scan): New.
(LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
(LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
2001-01-09 Alexandre Oliva <aoliva@redhat.com>
* cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
macro_buffer_len.
* cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
realloc()ing macro_buffer.
* hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
if it's wider than long and the target's long is wider than the
host's.
2001-01-09 Mark Mitchell <mark@codesourcery.com>
Remove support for using UWIN as a host machine.
* configure.in: Issue an error message.
* configure: Regenerated.
* config.gcc: Remove xm_* UWIN configury.
* config/i386/xm-uwin.h: Remove.
2001-01-08 Nick Clifton <nickc@redhat.com>
* config/v850/v850.c (ra_rtx): Delete.
(v850_save_machine_status): Delete.
(v850_restore_machine_status): Delete.
(v850_init_machine_status): New function.
(v850_mark_machine_status): New function.
(v850_free_machine_status): New function.
(v850_return_addr): Use ra_rtx field in machine structure.
(v850_init_expanders): Use new functions.
* config/v850/v850-protos.h: Fix prototypes for v850_output_*
* config/v850/v850.c: Change arguments to v850_output+* functions
to take a const char *, to avoid compile time warning.
* config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
(USER_LABEL_PREFIX): Redefine.
2000-01-08 Jim Wilson <wilson@redhat.com>
* sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1 to unsigned HOST_WIDE_INT before left shift.
2001-01-08 Nick Clifton <nickc@redhat.com>
* config/arm/arm.c (arm_mark_machine_status): Check to see if
the machine structure has been allocated.
(arm_free_machine_status): New function: Free the machine
specific function structure.
2001-01-08 Richard Henderson <rth@redhat.com>
* jump.c (simplejump_p): Revert last change.
2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
* cppinit.c (init): Rename init_library.
(cpp_create_reader): Update.
* gcc.c (cpp_options): If -o given, use it as the target of
any -M options.
2001-01-08 Richard Earnshaw <rearnsha@arm.com>
* arm.c (arm_arch5e): New variable.
(all_cores): XScale is a 5TE device.
(arm_override_options): Set arm_arch5e.
(arm_init_builtins): __builtin_prefetch is in arch5e.
* arm.h (arm_arch5e): Declare it.
* arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
* arm.md (define_constants): Add defines for UNSPEC and
UNSPEC_VOLATILE insns. Update all users.
(define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
* arm.c (multi_register_push, note_invalid_constants)
(emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
* arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
(STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
* jump.c (jump_optimize_1): Use reversed_comparison_code
instead of can_reverse_comparison_p.
(jump_back_p): Likewise.
(invert_exp_1): Likewise.
(thread_jumps): Likewise.
* simplify-rtx.c (simplify_unary_operation): Likewise.
(simplify_ternary_operation): Likewise.
* cse.c (find_comparison_args): Convert to use
can_reverse_comparison_p.
(record_jump_equiv): Likewise.
2001-01-08 Richard Earnshaw <rearnsha@arm.com>
* arm.h (HARD_REGNO_RENAME_OK): Delete.
(EPILOGUE_USES): Define.
(INITIAL_ELIMINATION_OFFSET): Current prologue code does not
automatically stack the LR if it isn't live.
Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
* i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
properly.
Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
* ggc-page.c (max_alignment): New structure.
(MAX_ALIGNMENT): New macro.
(init_ggc): Use it to round up the sizes in the
extra_order_size_table.
2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
after reload.
2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* builtins.def (BUILT_IN_FPRINTF): New entry.
* c-common.c (c_expand_builtin_fprintf): New function.
(init_function_format_info): Handle __builtin_fprintf.
(c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
(c_expand_builtin): Handle BUILT_IN_FPRINTF.
* c-decl.c (duplicate_decls): Adjust comment.
* extend.texi (fprintf): Document new builtin.
2001-01-07 Richard Henderson <rth@redhat.com>
* jump.c (simplejump_p): Recognize any single_set jump
of the proper form.
2001-01-07 Richard Henderson <rth@redhat.com>
* configure.in (slibdir): Accept an --with-slibdir option.
Use "test" not "[" in configure. Default to $(libdir).
* config/t-linux (SHLIB_INSTALL): Double quote slibdir;
fix typo in rm -f.
* config/t-aix43 (SHLIB_INSTALL): Likewise.
* config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
(SHLIB_LINK): Create links for the soname.
* config/mips/t-iris6: Likewise.
* config/sparc/t-slibgcc: Likewise.
* config/sparc/t-slibgcc-sld: Likewise.
2001-01-07 Jakub Jelinek <jakub@redhat.com>
* config/i386/i386.c (constant_call_address_operand): Accept
(const (plus (symbol_ref) (const_int))).
* config/i386/i386.h (PREDICATE_CODES): Add CONST for
constant_call_address_operand.
2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
* libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
and LONG_LONG_TYPE_SIZE > 32.
2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
* jump.c (reversed_comparison_code_parts): Fix typo introduced by
the previous change.
Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
* jump.c (reversed_comparison_code_parts, reversed_comparison_code):
New.
(can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
(reverse_condition_maybe_unordered): Abort on unsigned comparisons.
* rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
Declare.
2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
* fix-header.c (read_scan_file): s/pfile/scan_in/.
2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
* c-lang.c (c_post_options): Call cpp_post_options.
* objc/objc-act.c (objc_post_options): Similarly.
* cppmain.c (main): Similarly.
* fix-header.c (read_scan_file): Similarly.
* cppinit.c (cpp_start_read): Move option consistency checks
to cpp_post_options. Don't call init_dependency_output.
If needed, add default target and main file dependency.
(OPT_MD, OPT_MMD): Remove.
(OPT_MF): New.
(cpp_handle_option): Update for OPT_* changes.
(cpp_post_options): New.
(init_dependency_output): Command line -MF overrides environment
variables. Don't set default target etc. Suppress output
if dependencies are going to stdout.
(print_help): Update.
* cpplib.h (cpp_post_options): New.
* gcc.c (cpp_options): Update for -MD, -MMD, -MF.
Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
* jump.c (comparison_dominates_p): Support unordered compares.
Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
* simplify-rtx.c (simplify_relational_operation): Always simplify
ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
and UNGE.
Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
* combine.c (combine_simplify_rtx): Recognize the unordered compares.
(nonzero_bits): Likewise.
(simplify_comparison): Likewise.
(num_sign_bit_copies): Likewise; return more sane value depending
on STORE_FLAG_VALUE.
(known_cond): Do not assume EQ to be always true for equivalent
operands.
Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
* cse.c (fold_rtx): Handle unordered comparisons.
Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
* rtlanal.c (set_of_1): New static function.
(reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
reg_set_last_last_regno): Remove.
(set_of): New global function.
(set_of_data): New structure.
(reg_set_p, reg_set_last): Revamp for set_of.
* rtl.h (set_of): New.
2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
* c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
* extend.texi: Document _Exit builtin.
2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
* (initialize, initialize_builtins,
initialize_dependency_output, initialize_standard_includes):
Rename s/initialize/init. Update.
(init_dependency_output): Move to after
cpp_handle_options, the correct location temporally at least.
(opt_comp): Move next to init (), its caller. Fix prototype.
(init): Make "initialized" local scope.
(cpp_create_reader): Always call init ().
(cpp_start_read): Update.
(output_deps): New function, broken out of cpp_finish.
(cpp_finish): Break out output_deps.
2001-01-07 Richard Henderson <rth@redhat.com>
* collect2.c (COFF specific stuff): Revert 12-06 patch
to prototype system functions.
2001-01-07 Michael Hayes <mhayes@redhat.com>
* hard-reg-set.h: Add multiple include guard.
* basic-block.h (struct loop): Add `sink' field.
* loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
(emit_iv_add_mult): Delete.
(loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
(loop_iv_add_mult_emit_before, loop_insn_sink): Define.
(unroll_loop): Remove end_insert_before argument.
* loop.c (loop_givs_rescan): Remove end_insert_before argument.
(maybe_eliminate_biv_1): Likewise.
(emit_iv_add_mult): Delete.
(gen_add_mult, loop_regs_update): New.
(loop_insn_emit_after, loop_insn_emit_before): New.
(loop_insn_sink, loop_insn_sink_or_swim): New.
(emit_iv_add_mult): Delete.
(scan_loop): Set loop->sink.
(loop_givs_reduce): Use loop_insn_sink and its ilk.
(loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
(maybe_eliminate_biv_1): Likewise.
(maybe_eliminate_biv_1): Add basic block argument.
* unroll.c (unroll_loop): Remove end_insert_before argument.
(find_splittable_regs): Likewise.
(find_splittable_regs): Use loop_insn_sink and its ilk.
(find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2001-01-07 Michael Hayes <mhayes@redhat.com>
* loop.h (loop_insn_hoist): New prototype.
* loop.c (loop_insn_hoist, loop_insn_emit_before): New.
(move_movables, loop_givs_rescan): Use loop_insn_hoist.
(check_dbra_loop, load_mems): Likewise.
* unroll.c (unroll_loop, find_splittable_regs): Likewise.
(find_splittable_givs): Likewise.
2001-01-07 Michael Hayes <mhayes@redhat.com>
* loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2001-01-07 Richard Henderson <rth@redhat.com>
* sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2001-01-07 Richard Henderson <rth@redhat.com>
* Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
NO_SHARED_LIBGCC_MULTILIB as required for the target.
* gcc.c (init_spec): Massage the existing libgcc_spec into a
variant that handles a shared libgcc.
(process_command): Always validate -{static,shared}-libgcc.
(do_spec_1): New 'M' case.
* invoke.text (Link Options): Document -{static,shared}-libgcc.
2001-01-07 Richard Henderson <rth@redhat.com>
* Makefile.in (slibdir): New variable.
(libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
(installdirs): Create slibdir.
(install-libgcc, install-multilib): Defer to libgcc.mk.
* configure.in (slibdir): Substitute.
* mklibgcc.in (install): New target.
* config/t-linux (SHLIB_LINK): Create links for the soname.
(SHLIB_INSTALL): New.
* config/alpha/t-osf4 (SHLIB_INSTALL): New.
* config/mips/t-iris6 (SHLIB_INSTALL): New.
* config/rs6000/t-aix43 (SHLIB_INSTALL): New.
* config/sparc/t-slibgcc (SHLIB_INSTALL): New.
* config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2001-01-07 Richard Henderson <rth@redhat.com>
* config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
* config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
* config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2001-01-07 Michael Hayes <mhayes@redhat.com>
* loop.c (count_loop_regs_set): Delete.
(load_mems_and_recount_loop_regs_set): Delete.
(loop_regs_scan): Merge common code from count_loop_regs_set,
scan_loop, and load_mems_and_recount_loop_regs_set.
(scan_loop): Call load_mems directly and loop_regs_scan
again if new registers created.
2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
* toplev.c (main): Call the front-end specific post_options
hook if one is given.
* toplev.h (struct_lang_hooks, lang_hooks): New.
* c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
for the C front end.
* cp/decl2.c (cxx_post_options, lang_hooks): Implement
lang_hooks for the C++ front end.
* objc/objc-act.c (objc_post_options, lang_hooks): Implement
lang_hooks for the ObjC front end.
* f/com.c (lang_hooks): Hooks for the Fortran front end.
* java/lang.c (lang_hooks): Hooks for the Java front end.
2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
* c-lex.c (init_c_lex): Request #define / #undef callbacks
for verbose DWARF[2] debugging.
(cb_define, cb_undef): The new callbacks.
* toplev.h (debug_define, debug_undef): Make const correct.
* toplev.c (debug_define, debug_undef): Similarly. Do not
perform the verbosity tests here anymore.
2001-01-07 Alexandre Oliva <aoliva@redhat.com>
* reload.c (subst_reloads): Take INSN argument. When
replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
* reload.h (subst_reloads): Adjust prototype.
* reload1.c (reload_as_needed): Pass INSN to subst_reloads.
* jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
present in JUMP_INSNs and copy them to JUMP_LABEL.
* flow.c (find_label_refs, find_basic_blocks_1): Skip
JUMP_INSNs and insns with REG_LABELs that are followed by
JUMP_INSNs with the same REG_LABEL.
* sched-rgn.c (is_cfg_nonregular): Likewise.
* rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
note is available.
* unroll.c (unroll_loop): Look for REG_LABEL notes in
JUMP_INSNs too.
* rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2001-01-06 Richard Henderson <rth@redhat.com>
* loop.c (scan_loop): Use xcalloc for the regs array.
(load_mems_and_recount_loop_regs_set): Zero the new memory
received from xrealloc.
2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
* mkdeps.c (deps_add_dep): Fix vector re-allocation.
Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
* integrate.c (copy_rtx_and_substitute): When copying
an ignored return value, strip REG_FUNCTION_VALUE_P.
2001-01-06 Michael Hayes <mhayes@redhat.com>
* loop.c (debug_biv, debug_giv): New.
(loop_biv_dump): Break out from ...
(record_biv): ... here.
(loop_giv_dump): Break out from ...
(record_giv): ... here.
(loop_bivs_check): Use print_simple_rtl.
* unroll.c (loop_iterations): Use print_simple_rtl.
2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
* pa.md (return, return_internal): Modify patterns to prevent regrename
mucking with the return pointer.
2001-01-05 Mike Stump <mrs@wrs.com>
* varasm.c (assemble_name): Ensure we output the stripped name.
2001-01-05 Richard Henderson <rth@redhat.com>
* dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
* config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
version supplied by Matteo Frigo.
2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
* cpp.texi: Update for -MQ.
* cppinit.c (cpp_create_reader): Always create pfile->deps.
(cpp_cleanup): Always free pfile->deps.
(initialize_dependency_output): Don't create pfile->deps.
(cpp_handle_option): Similarly.
(OPT_MQ): New.
* gcc.c (cpp_options): Handle -MQ.
(DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
* mkdeps.c (base_name): Remove.
(deps_init): Don't allocate vector space until it's needed.
(deps_free): Only free vectors if allocated.
(deps_add_target, deps_add_dep): Update for initial allocation.
(deps_add_default_target): Don't strip to the base_name.
2001-01-05 DJ Delorie <dj@redhat.com>
* config/v850/v850.h (RETURN_ADDR_RTX): Define.
(INIT_EXPANDERS): Define.
* config/v850/v850.c (struct machine_function): Define.
(v850_save_machine_status): New function.
(v850_restore_machine_status): New function.
(v850_return_addr): New function.
(v850_init_expanders): New function.
* config/v850/v850-protos.h: Add prototypes for v850_return_addr
and v850_init_expanders.
2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
* cpplib.h (struct cpp_reader): Add help_only field.
* cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
(cpp_handle_option): Set pfile->help_only if we see -h,
--help, -target-help, or --version. Print version string but
do not set help_only if we see -v or -version. Make text
printed by -v match that printed by (-)-version.
* cppmain.c (main): Exit after option parsing if
pfile->help_only is true.
* toplev.c (independent_decode_option): Call print_version,
then exit, if we see --version (but not -version).
(print_version): Split lengthy message into two lines.
2001-01-05 Nick Clifton <nickc@redhat.com>
* config/v850/v850.c (v850_encode_data_area): Use alloca to create
temporary string for initialisation before calling ggc_alloc_string.
2001-01-06 Michael Hayes <mhayes@redhat.com>
* rtl.h (print_simple_rtl): New.
* print-rtl.c (print_simple_rtl): New.
(flag_simple): New.
(print_rtx): Disable printing of flags and modes, etc.,
if `flag_simple` nonzero.
2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
* function.c (fixup_var_refs): Use push_to_full_sequence where
possible.
2001-01-05 Michael Meissner <meissner@redhat.com>
* flags.h (flag_reorder_blocks): Add declaration.
(flag_rename_block): Ditto.
2001-01-05 DJ Delorie <dj@redhat.com>
* function.c (reorder_blocks): Make sure the flags are all reset
before using them to mark blocks, else a second invocation will
corrupt the block chain.
(reorder_blocks_0): New, resets the flags.
Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
* cse.c (find_comparison_args): Stop if the argument is known to
be constant.
2001-01-05 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (movdf): When splitting load into pair of
registers, don't clobber the register used in the address too
early.
2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
* varasm.c (mark_constant_pool): Improve initial comments.
(mark_constants): Move marking of constants to mark_constant.
(mark_constant): New function to recursively mark all constants
referred to by a constant.
2001-01-05 Catherine Moore <clm@redhat.com>
* dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2001-01-05 Phil Edwards <pme@sources.redhat.com>
* cp/lang-options.h: Bring comment in line with reality.
* f/lang-options.h: Likewise.
* java/lang-options.h: Likewise.
* objc/lang-options.h: Likewise.
* ch/lang-options.h: Likewise.
* f/g77.texi: And update the manual.
2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
Denis Chertykov <denisc@overta.ru>
* config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
* config/avr/avr.c (avr_peep2_scratch_safe): New function.
* config/avr/avr.md (all peepholes that request a scratch register):
Call it, FAIL the peephole if not safe (in interrupt functions).
2001-01-05 Mark Mitchell <mark@codesourcery.com>
* ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
* builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
Define.
* builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
BUILT_IN_CREAL and BUILT_IN_CIMAG.
* c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
(expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
BUILT_IN_CIMAG.
* extend.texi: Document these builtins.
2001-01-05 Daniel Berlin <dberlin@redhat.com>
* c-common.c (lang_get_alias_set): Say we know nothing of
VECTOR_TYPE aliasing.
* dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2001-01-05 Bruce Korb <bkorb@gnu.org>
* fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
their x* equivalent versions for atexit-less systems
* fixinc/fixincl.c(main): do not return from main() on atexit-less
systems (or any other system any more).
2001-01-05 Richard Earnshaw <rearnsha@arm.com>
* arm.md (ldmsi_postinc): Avoid use of match_dup between input and
output operands. Use arm_hard_register_operand for operand 4.
(stmsi_postinc): Similarly.
(ldmsi): Use arm_hard_register_operand for opernand 2.
(stmsi): Similarly.
* arm.c (arm_hard_register_operand): New function.
* arm-protos.h (arm_hard_register_operand): Prototype it.
* arm.h (HARD_REGNO_RENAME_OK): Define.
Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
* simplify-rtx.c (cfc_args): add "unordered" field.
(check_fold_consts): Set unordered field.
(simplify_relational_operation): Simplify the unordered
comparisons.
* reg-stack.c (swap_rtx_condition): Ensure that the transformation
is valid.
* emit-rtl.c (try_split): Fix code to mark labels.
* jump.c (mark_jump_label): Make global.
* rtl.h (mark_jump_label): Declare.
* predict.c (estimate_probability): Handle unordred comparisons.
2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
* cpp.texi: Update for -MP. Clarify behaviour of -MT.
* cppinit.c (initialize_dependency_output): Update.
(cpp_finish): Output dummy targets for -MP.
(OPT_MP): New.
(cpp_handle_option): Handle -MP. Don't quote -MT options.
* cpplib.h (struct cpp_options): Add deps_phony_targets.
* gcc.c (cpp_options): Update to handle -MP.
* mkdeps.c (deps_add_target, deps_add_default_target): Update
to quote only the default target.
(deps_phony_targets): Insert a preceding newline. Rename from
deps_dummy_targets for consistency.
* mkdeps.h: Update
2001-01-05 Alexandre Oliva <aoliva@redhat.com>
* calls.c (emit_library_call_value_1): Support
INIT_CUMULATIVE_LIBCALL_ARGS.
* tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2001-01-04 Richard Henderson <rth@redhat.com>
* c-decl.c (finish_struct): Detect flexible array members
used in an inappropriate context.
* c-typeck.c (really_start_incremental_init): Special case
constructor_max_index for zero length arrays.
(pop_init_level): Allow initialization of flexible array
members. Deprecate initialization of zero length arrays.
Don't issue missing initializer warning for flexible array
members or zero length arrays.
(process_init_element): Don't dereference null DECL_SIZE.
* varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
Don't abort for empty constructors. Use size_binop
(output_constructor): Add commentary regarding zero length
array futures. Abort if we try to initialize an array of
unspecified length with a non-empty constructor in the middle
of a structure.
* extend.texi (Zero Length): Update and clarify documentation
on static initialization.
2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
* config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
with more than 32767 words of local storage.
2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
* config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
for 'abs', 'labs', and 'fabs'.
(c4x_expand_builtin): Likewise.
* config/c4x/c4x.h (enum c4x_builtins): Likewise.
2001-01-05 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (prget, prset): New insn types.
(return delay slot): Dont' allow prset.
(call, sfunc delay slot): Don't allow prget.
(movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
for prset and prget.
2001-01-05 Michael Hayes <mhayes@redhat.com>
* loop.h (struct loop_reg): New.
(struct loop_regs): Change to use array of `struct loop_reg'.
* loop.c: Replace assortment of varrays with single regs array.
(count_one_set): Delete may_not_move array argument
and use regs array instead. All caller's changed.
(count_loop_regs_set): Delete may_not_move and single_usage
arguments and use regs array instead. All caller's changed.
(find_single_use_in_loop): Replace usage array argument with pointer
to regs structure. All caller's changed.
(loop_optimize): Delete `moved_once' array.
2001-01-05 Michael Hayes <mhayes@redhat.com>
* loop.c (prescan_loop): Set loop_info->has_nonconst_call.
Use it instead of loop_info->has_call for scanning loop mems.
(check_dbra_loop): Replace loop_info->has_call test with
loop_info->has_nonconst_call.
2000-01-04 Matthew Hiller <hiller@redhat.com>
* config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
for TARGET_SH3E.
2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
* fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
* c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
(flag_short_double, flag_short_wchar): Define.
(c_common_nodes_and_builtins): Create many tree nodes shared
between C and C++ here instead of in cp/decl.c and ...
* c-decl.c (init_decl_processing): ... here.
(SIZE_TYPE, WCHAR_TYPE): Don't define.
(flag_short_double, flag_short_wchar): Don't define.
(record_builtin_type): New function.
(build_void_list_node): New function.
* c-common.h (flag_short_double, flag_short_wchar,
record_builtin_type, build_void_list_node): Declare.
Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
* integrate.c (expand_inline_function): Don't put a virtual
register into the reg map.
* function.c (fixup_var_refs_1): If force_operand didn't put
the address into the target, move it there.
2001-01-04 Mark Mitchell <mark@codesourcery.com>
Special-case tree_decl/tree_list allocations.
* ggc-page.c (OBJECT_PER_PAGE): Reimplement.
(OBJECT_SIZE): New macro.
(NUM_EXTRA_ORDER): Likewise.
(extra_order_size_table): New variable.
(NUM_ORDERS): New macro.
(objects_per_page_table): New variable.
(object_size_table): New variable.
(G.pages): Use NUM_ORDERS to bound the array.
(G.page_tails): Likewise.
(DIV_ROUND_UP): Remove.
(BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
(alloc_page): Use OBJECT_SIZE.
(size_lookup): Don't make it const.
(ggc_alloc): Use OBJECT_SIZE.
(ggc_set_mark): Likewise.
(ggc_get_size): Likewise.
(init_ggc): Set up the object_size_table, objects_per_page_table,
and adjust size_lookup.
(ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
(ggc_pop_context): Use NUM_ORDERS.
(clear_marks): Likewise.
(sweep_pages): Likewise.
(poison_pages): Likewise.
(ggc_print_statistics): Use OBJECT_SIZE.
Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
Only call array_size_for_constructor if last field and array type
with no upper bound.
2001-01-04 Philip Blundell <philb@gnu.org>
* config/arm/arm.c (arm_gen_constant): Prefer to emit constants
from bit 31 downwards, if this requires no more insns.
(count_insns_for_constant): New helper function for above.
2001-01-04 Alexandre Oliva <aoliva@redhat.com>
* gencodes.c (output_predicate_decls): Remove empty initializer.
2001-01-04 Mark Mitchell <mark@codesourcery.com>
* tree.c (copy_node): Remove documentation about obstacks.
(buidl1): Check that nobody tries to build 2-argument nodes this
way.
2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
fp_high_losum_p.
* gencodes.c (output_predicate_decls): Fill empty initializer
braces.
2001-01-04 Jakub Jelinek <jakub@redhat.com>
* tradcpp.c (deps_file, print_deps_missing_files): New variables.
(main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
or -MM.
(do_include): Handle missing headers like cpp0.
* cppfiles.c (_cpp_execute_include): Don't prefix absolute header
paths with first include pathname. Don't strcat to uninitialized
string.
2001-01-04 Bernd Schmidt <bernds@redhat.com>
* regrename.c (regrename_optimize): Don't rename from frame pointer
if frame_pointer_needed.
(do_replace): Don't set ORIGINAL_REGNO to a hard register number.
* config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
(ia64_reorg): Use it instead of scheduling if ! optimize.
(errata_emit_nops): Properly call asm_noperands.
(ia64_sched_reorder): Finish cycle if we see an asm.
(ia64_variable_issue): Clear scheduling state after asms.
2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
* cpp.texi: Update for -MT.
* cppinit.c (initialize_dependency_output): Add a default
target if none has been given already.
(no_tgt, OPT_MT): New.
(cpp_handle_option): Handle -MT. Update -M etc.
* cpplib.h (struct cpp_options): Remove deps_target.
* gcc.c (cpp_options): Handle -MT.
* mkdeps.c (struct deps): Move from mkdeps.h.
(deps_calc_target): Rename deps_add_default_target. Add a
default target if none has been specified already.
* mkdeps.h (struct deps): Move to mkdeps.c.
(deps_calc_target): Rename deps_add_default_target.
2000-01-03 Richard Henderson <rth@redhat.com>
* c-decl.c (grokdeclarator): Give zero-length arrays size zero.
Remove dead code.
* c-typeck.c (push_init_level): Move checks for flexible array
members and zero length arrays ...
(pop_init_level): ... here. Silently discard empty initializations.
Remove dead code.
* varasm.c (output_constructor): Update for sizeof change to
zero-length arrays.
* extend.texi (Zero Length): Clarify semantics.
2001-01-03 Alexandre Oliva <aoliva@redhat.com>
* configure.in (tm.h): Include isns-codes.h last.
* configure: Rebuilt.
2001-01-03 Richard Henderson <rth@redhat.com>
* config/alpha/alpha.md (addvsi3, addvdi3): New.
(negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* tradcpp.c (main): Make sure finclude() is called with a valid
indepth value while handling -include.
2001-01-03 Alexandre Oliva <aoliva@redhat.com>
* gencodes.c (output_predicate_decls): New function.
(main): Call it.
* machmode.h (GET_MODE_MASK): Arrange for it to be defined
even if it is not the first time machmode.h is #included.
* config/sh/sh.c (fpul_operand): Declare MODE argument.
* tm.texi (PREDICATE_CODES): Document predicate declarations.
* gcc.texi (Copyright): Added 2001.
2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
* c-common.c (c_common_lang_init): New function. Warn if format
warning options which only have effects when used with -Wformat
are used without -Wformat.
* c-common.h (c_common_lang_init): Declare.
* c-lang.c (lang_init): Call c_common_lang_init.
* objc/objc-act.c (lang_init): Call c_common_lang_init.
2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
* configure.in: Check for the mktemp command.
* configure: Regenerate.
* gccbug.in: Use a separate temporary file $TEMP0 for one use of
$TEMP. Create temporary files with mktemp, if available at
configure time; otherwise use set -C. Remove temporary files
before exit.
2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
* configure.in: Require at least texinfo 4.0. Check for whether
Pod::Man is sufficiently recent to regenerate GCC manpages.
* configure: Regenerate.
* Makefile.in (TEXI2POD): Call perl explicitly rather than relying
on #!.
(GENERATED_MANPAGES): Define.
(generated-manpages): New target. Depend on cpp.1 as well as
gcov.1.
(install-man): Depend on $(GENERATED_MANPAGES) (defined by
configure to generated-manpages or empty) rather than on the
manpages directly. Remove execute permission from installed
gcov.1 as well as cpp.1.
* cpp.1, gcov.1: Regenerate.
2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* builtins.c (expand_builtin_strncmp): Use host_integerp and
tree_low_cst. Allow using cmpstrsi in more cases.
Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
sized types.
Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
* build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
* Makefile.in (HOST_CFLAGS): Mention build-make.
Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
as JUMP_INSN.
2001-01-01 Bernd Schmidt <bernds@redhat.com>
* builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
a REG rtx.
* cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
callers changed.
* alias.c (throughout): Use ORIGINAL_REGNO when accessing
reg_base_value and reg_known_value arrays.
(init_alias_analysis): Add more cases to detect known values.
* sched-deps.c (deps_may_trap_p): New function.
(sched_analyze_2): Use it.
2001-01-03 Alexandre Oliva <aoliva@redhat.com>
* combine.c (simplify_shift_const): Even if we're sign-extracting,
don't discard an ASHIFTRT if we're shifting in a wider mode.
2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
* toplev.c (rest_of_compilation): Don't print basic block information
when CFG isn't up to date.
2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
* config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
(UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
(UNALIGNED_SHORT_ASM_OP): Define.
(CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2001-01-02 Mark Mitchell <mark@codesourcery.com>
* fold-const.c (fold_convert): Fix typo.
2001-01-02 Richard Henderson <rth@redhat.com>
* c-common.h (ASM_INPUT_P): New.
* c-parse.in (asm): Set it when needed.
* c-semantics.c (genrtl_asm_stmt): Test it instead of the
existance of an operand.
Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
* dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
(dwarf2out_frame_debug_expr): Likewise.
(mem_loc_descriptor): Handle PRE and POST_MODIFY.
Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
* i386.c (ix86_split_to_parts): Return number of part required;
handle TFmodes.
(print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
TFmodes.
(ix86_split_long_move): Use number of part returned
by ix86_split_to_parts
* i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
New macros.
(TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
(LONG_DOUBLE_TYPE_SIZE): Change from constant.
(MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
(INTEL_EXTENDED_IEEE_FORMAT): Likewise.
(ALIGN_MODE_128): Add TFmode.
(IS_STACK_MODE): Likewise.
(HARD_REGNO_NREGS): TFmode needs 3 registers.
(HARD_REGNO_OK): Support TFmodes.
(ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
* i386.md (scheduler definitions): Use memory operand to determine
fst/fld instructions; use mode attribute to determine real mode of
the instruction.
(*tf): New patterns, expanders and splitters; based on XFmode patterns.
* invoke.texi (128bit-long-double, 96bit-long-double): Document.
2001-01-02 Mark Mitchell <mark@codesourcery.com>
* tree.def (TRUTH_NOT_EXPR): Improve documentation.
Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
* expr.c (store_constructor_field): Update ALIGN before calling
store_constructor.
2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
* config/mips/mips.c (function_arg): Don't pass NULL_TREE to
host_integerp.
2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
* tm.texi (FUNCTION_ARG): Document that @var{type} can be an
incomplete type.
Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
* c-decl.c (start_function): Don't warn on third parameter to main.
2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* tsystem.h: Define HAVE_DECL_GETOPT.
2001-01-02 Philip Blundell <pb@futuretv.com>
* config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
of input operand.
2001-01-02 Richard Henderson <rth@redhat.com>
* alpha.md (*ze_and_ne): Duplicate insn condition to split.
2001-01-02 Andreas Jaeger <aj@suse.de>
* c-decl.c (c_decode_option): Remove support of
-Wmissing-noreturn.
* toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
(W_options): Add -Wmissing-noreturn here.
* flow.c: Define lang_missing_noreturn_ok_p.
(check_function_return_warnings): Use it.
* c-common.h: Declare lang_missing_noreturn_ok_p.
* c-lang.c (c_missing_noreturn_ok_p): New function.
(lang_init): Set lang_missing_noreturn_ok_p.
* invoke.texi (Warning Options): Document this.
2000-12-27 Phil Edwards <pme@sources.redhat.com>
* extend.texi (C++ Extensions): New node for C++ attributes;
describe init_priority and com_interface.
* invoke.texi: Remove -finit-priority as it now has zero effect.
* install.texi: Fix xref syntax.
* md.texi: Likewise.
Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* config.gcc (sparc64-wrs-vxworks*): New case.
* config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
* config/sparc/sparc.c (sparc_override_options): Do support different
pointer and architecture size.
* config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
(POINTERS_EXTEND_UNSIGNED): Define.
(Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
(FUNCTION_MODE): Define to be Pmode.
* config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
* function.c (expand_function_end): Properly handle DECL_RESULT
and copy when ptr_mode != Pmode.
* expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* c-common.c (c_common_nodes_and_builtins): Set prototype
parameters for __builtin_fputs, __builtin_fputc and
__builtin_fwrite. Don't declare plain fputc as a builtin.
2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
* loop.c (add_label_notes): Increment the label usage count when
a note is added to an insn which refers to a CODE_LABEL.
* gcse.c (add_label_notes): Likewise.
2001-01-01 Andreas Jaeger <aj@suse.de>
* loop.c (scan_loop): Use xmalloc to allocate movables.
2001-01-01 Alexandre Oliva <aoliva@redhat.com>
* tm.texi (REGISTER_MOVE_COST): Add a mode argument.
* reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
* reload1.c (REGISTER_MOVE_COST): Likewise.
* regclass.c (REGISTER_MOVE_COST): Likewise.
(move_cost, may_move_in_cost, may_move_out_cost): Add mode
dimension. Adjust all users.
(init_reg_sets_1): Iterate on all modes.
* config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
* config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
* config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
* config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
* config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
* config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
* config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
* config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
* config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
* config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
* config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
* config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
* config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
* config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
* config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
* config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
* config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
* config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
* config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
* config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
* config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
* config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
* config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
* config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
* config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
* config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
* config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2001-01-01 Bernd Schmidt <bernds@redhat.com>
* alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
arg VARIES_P. Call it with extra arg.
(true_dependence): Likewise.
* rtl.h (rtx_addr_can_trap_p): Declare.
(rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
prototypes.
* rtlanal.c (rtx_addr_can_trap_p): No longer static.
(rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
pic offset table register if it's zero. All callers changed.
(rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* explow.c (convert_memory_address, case SYMBOL_REF): Copy
STRING_POOL_ADDRESS_P.
* config/sparc/sparc.c (input_operand): Properly test for short op.
* config.gcc (sparc-*-elf): Include sparc/sol2.h.
(sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
(sparclite-*-elf*, sparc86x-*-elf*): Likewise.
* config/sparc/elf.h: No longer include sol2.h.
* config/sparc/lifeelf.h: No longer include sparc/elf.h.
* config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
* config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2001-01-01 Michael Hayes <mhayes@redhat.com>
* loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
(find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
(record_initial): Likewise.
* unroll.c (copy_loop_body, loop_iterations): Likewise.
(remap_split_bivs): Likewise.
2001-01-01 Michael Hayes <mhayes@redhat.com>
* loop.c (loop_ivs_free): New function.
(strength_reduce): Break out from...
2001-01-01 Michael Hayes <mhayes@redhat.com>
* loop.h (struct iv): New.
(REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
(struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
'reg_biv_class' fields with 'regs' and 'n_regs'.
(struct ivs): Rename 'loop_iv_list' field to 'list'.
* loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
* unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2000-12-31 Alexandre Oliva <aoliva@redhat.com>
* resource.c (mark_referenced_resources): Abort() before
attempting to mark a pseudo register.
(mark_set_resources): Likewise.
2001-01-01 Michael Hayes <mhayes@redhat.com>
* loop.h (REG_IV_CLASS): New accessor macro.
* loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
* unroll.c (REG_IV_CLASS): Likewise.
See ChangeLog.4 for earlier changes.
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