changelog

GCC

	* config/rs6000/rs6000.c: Update all callers.
	(rs6000_legitimate_address): New function.

2001-05-17  Mark Kettenis  <[e-mail]>

	* dwarf2out.c (modified_type_die): Equate qualified type to die.

2001-05-17  Mark Mitchell  <[e-mail]>

	* doc/install.texi: Update Solaris information.

	* except.h (protect_cleanup_actions): Remove it.
	(lang_protect_cleanup_actions): Declare it.
	* except.c (protect_cleanup_actions): Remove it.
	(lang_protect_cleanup_actions): New variable.
	(init_eh): Don't make protect_cleanup_actions a GC root.
	(expand_eh_region_and_cleanup): Call
	lang_protect_cleanup_actions.
	(output_function_exception_table): Remove unused `align'
	variable.
	* varasm.c (assemble_external): Abort if we have not yet
	opened the assembly output file.

Thu May 17 11:53:49 2001  Jeffrey A Law  ([e-mail])

	* pa.c (hppa_init_pic_save): No longer update last_parm_insn.

	* except.c (sjlj_emit_function_enter): Call assemble_external_libcall
	for eh_personality_libfunc.

2001-05-17  Bernd Schmidt  <[e-mail]>

	* reload1.c (delete_output_reload): Call eliminate_regs on substed.
	(reload_as_needed): Call update_eliminable_offsets a bit later.

	* expr.c (protect_from_queue): Protect against subsequent calls to
	emit_queue.
	(expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
	too clever.

2001-05-17  Jeffrey Oldham  <[e-mail]>

	* dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
	COMPLEX_TYPE.

2001-05-17  Gerald Pfeifer  <[e-mail]>

	* gccbug.in (CATEGORIES): Add "bootstrap".

2001-05-17  Bernd Schmidt  <[e-mail]>

	* stmt.c (expand_asm_operands): For inout operands, make sure
	the substitution of '=' for '+' makes it into the rtl.

2001-05-17  Gerald Pfeifer  <[e-mail]>

	* gcc.texi (gccbug): Refer to the web pages for detailed information
	on GNATS.

2001-05-16  Wolfgang Bangerth <[e-mail]>
	Bruce Korb <[e-mail]>

	* fixinc/inclhack.def(solaris27_mutex_init):  Fix broken mutex
	initializer

2001-05-16  Zack Weinberg  <[e-mail]>

	* assert.h: Removed.
	* libgcc-std.ver, sys-protos.h: Remove __eprintf.
	* libgcc2.c: Document that __eprintf exists for backward
	compatibility only.
	* configure.in: Correct commentary now assert.h does not exist.
	* configure: Regenerate.

	* Makefile.in: Delete INSTALL_ASSERT_H, assertdir, and all
	references to either. Delete install-assert-h target.  Do not
	create $(assertdir) or $(gcc_tooldir) in mkinstalldirs target.
	Move _eprintf from LIB2FUNCS to LIB2FUNCS_ST; pass
	LIB2FUNCS_ST to mklibgcc.
	* cross-make: Don't set assertdir.
	* mklibgcc.in: Add support for LIB2FUNCS_ST.

	* config/t-freebsd, config/t-linux, config/t-linux-aout,
	config/t-netbsd, config/t-openbsd, config/t-rtems, config/x-linux,
	config/alpha/t-interix, config/i386/t-beos, config/i386/t-interix,
	config/mcore/t-mcore, config/mcore/t-mcore-pe:
	No need to set INSTALL_ASSERT_H.

	* fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
	fixinc/fixinc.svr4, fixinc/fixinc.winnnt, fixinc/fixinc.wrap,
	fixinc/fixincl.sh: Don't install assert.h.

2001-05-16  Zack Weinberg  <[e-mail]>

	* i386.md: Add two peepholes to clean up code generated by
	cmpstr* expanders.

2001-05-16  Richard Henderson  <[e-mail]>

	* dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
	variants of non-absolute encodings.

	* config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.

	* libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
	__register_frame_info_table_bases): Export.

Wed May 16 13:38:21 2001  Jeffrey A Law  ([e-mail])

	* pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
	GPRs.

2001-05-16  Richard Henderson  <[e-mail]>

	* except.c (eh_data_format_name): Move to ...
	* dwarf2asm.c: ... here.  Use designated initializers if available.
	(dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
	* dwarf2asm.h: Update declarations.
	* dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
	ASM_PREFERRED_EH_DATA_FORMAT.
	(output_call_frame_info): Likewise.  Use 'L' augmentation for
	the LSDA encoding.

	* unwind-dw2-fde.h (struct fde_vector): New.
	(struct old_object): Rename from struct object.
	(struct object): New.
	(__register_frame_info_bases): Declare.
	(__register_frame_info_table_bases): Declare.
	(struct dwarf_fde): Remove explicit pc_begin/pc_range members.
	* unwind-dw2-fde.c (objects): Remove.
	(unseen_objects, seen_objects): New.
	(__register_frame_info_bases): New.
	(__register_frame_info): Use it.
	(__register_frame_info_table_bases): New.
	(__register_frame_info_table): Use it.
	(__deregister_frame_info): Rewrite for changed object struct.
	(base_from_object, get_cie_encoding, get_fde_encoding): New.
	(fde_unencoded_compare): Rename from fde_compare; uninline.
	(fde_single_encoding_compare, fde_mixed_encoding_compare): New.
	(start_fde_sort): Adjust for new definition of fde_vector.
	(fde_insert): Likewise.
	(end_fde_sort): Likewise.  Select comparison function based
	on properties of the object.
	(fde_split): Take object and fde_compare_t arguments.
	(frame_heapsort, fde_merge): Likewise.
	(classify_object_over_fdes): Rename from count_fdes.  Handle
	encoded pointers.  Collect encoding, mixed_encoding, and pc_begin
	for the object.
	(add_fdes): Handle encoded pointers.
	(init_object): Rename from frame_init.  Update for new struct object.
	(linear_search_fdes): Rename from search_fdes.  Handle encoded
	pointers.
	(binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
	(binary_search_single_encoding_fdes): New.
	(binary_search_mixed_encoding_fdes): New.
	(search_object): New.
	(_Unwind_Find_FDE): Update for new struct object.  Fill in
	the dwarf_eh_bases.
	* unwind-dw2.c: Include unwind-pe.h.  Constify all pointers
	iterating over EH data.
	(_Unwind_FrameState): Remove saw_lsda, addr_encoding.  Add
	fde_encoding, lsda_encoding.
	(read_uleb128, read_sleb128): Remove.
	(read_encoded_pointer): Remove.  All callers use read_encoded_value.
	(extract_cie_info): Set lsda_encoding from 'L' augmentation.
	(uw_frame_state_for): Don't set bases.func.  Handle encoded fde
	pointers.
	* unwind-pe.h: Add "struct" to _Unwind_Context references.

2001-05-16  Andreas Jaeger  <[e-mail]>

	* Makefile.in (toplev.o): Add dependency on dwarf2asm.h.

	* toplev.c: Include dwarf2asm.h for prototype of
	dw2_output_indirect_constants.

2001-05-16  Richard Henderson  <[e-mail]>

	2001-03-08  Richard Henderson  <[e-mail]>
	* configure.in (HAVE_AS_LEB128): New assembler check.
	* configure, config.in: Rebuilt.

2001-05-16  David Edelsohn  <[e-mail]>

	* doc/install.texi: Update AIX information.
	* README.RS6000: Remove obsolete file.

2001-05-16  John David Anglin  <[e-mail]>

	* pa-hpux10.h (THREAD_MODEL_SPEC): Define.

2001-05-16  Jakub Jelinek  <[e-mail]>
	    Nathan Sidwell  <[e-mail]>

	* gcc.c (give_switch): Don't write before start of string.
	Always append suffix.

2001-05-16  Nathan Sidwell  <[e-mail]>

	* cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
	after stage3.

2001-05-16  Dean Wakerley  <[e-mail]>

	* doc/install.texi: New file. Converted to texinfo from the HTML
	documentation in wwwdocs/htdocs/install.

2001-05-16  Gerald Pfeifer  <[e-mail]>

	* README.ALTOS: Remove obsolete file.

Tue May 15 22:12:41 2001  Jeffrey A Law  ([e-mail])

	* flow.c (life_analysis): After life analysis is complete, do
	an optional scan over insns looking for REG_LABEL notes that
	reference a deleted label.
	(propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
	before peeking at LABEL_NUSES.

2001-05-15  Richard Henderson  <[e-mail]>

	* unwind-sjlj.c (_Unwind_GetDataRelBase): New.
	(_Unwind_GetTextRelBase): New.

2001-05-15  Mark Mitchell  <[e-mail]>

	* config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.

2001-05-15  Loren J. Rittle  <[e-mail]>

	* gthr-posix.h: Make additional pthread-* functions weak.

2001-05-14  Richard Henderson  <[e-mail]>

	* configure.in (gcc_cv_as_eh_frame): New test.
	* config.in, configure: Rebuild.
	* gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.

2001-05-14  Andrew MacLeod  <[e-mail]>

	* config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
	for RETURNS as well.
	* config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
	extended precision divide.

2001-05-14  Andrew Haley  <[e-mail]>

	* reload1.c (copy_eh_notes): New function.
	(emit_input_reload_insns): Call it.
	(emit_output_reload_insns): Call it.

	* emit-rtl.c (try_split):  Copy EH notes to sequence.

2001-05-14  Richard Henderson  <[e-mail]>

	2001-04-12  Richard Henderson  <[e-mail]>
	* Makefile.in (regmove.o): Depend on except.h.
	* regmove.c: Include it.

Mon May 14 08:57:23 2001  Jeffrey A Law  ([e-mail])

	* config/pa/som.h (NM_FLAGS): Remove.
	(ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
	(ASM_OUTPUT_SECTION_NAME): Remove.
	(MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.

2001-05-14  Mark Mitchell  <[e-mail]>

	* regrename.c (regrename_optimize): Do not rename registers to
	leaf registers.

2001-05-14  Alexandre Oliva  <[e-mail]>

	* rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
	contain MEMs.  Remove useless distinction about clobbering
	registers.

2001-05-13  Richard Henderson  <[e-mail]>

	2001-03-28  Richard Henderson  <[e-mail]>
	* config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
	not TARGET_TOC for special toc restore handling.
	* config/rs6000/rs6000.md (eh_return): Likewise.

2001-05-13  Alexandre Oliva  <[e-mail]>

	* tm.texi (THREAD_MODEL_SPEC): Document it.
	* gcc.c (main): Use it.
	* config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
	* config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.

2001-05-13  Franz Sirl  <[e-mail]>

	* rtl.h (SYMBOL_REF_WEAK): New macro.
	* rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
	* varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
	* rtl.texi (SYMBOL_REF_WEAK): Document it.
	* gcc.texi: Remove wrong description.

2001-05-13  Mark Mitchell  <[e-mail]>

	* stringpool.c (xxx, yyy): Remove.
	(get_identifier): Don't set them.

	* Makefile.in (STAMP): New macro.
	Replace all uses of `touch' with $(STAMP).
	* fixinc/Makefile.in: Likewise.

2001-05-13  Kaveh R. Ghazi  <[e-mail]>

	* i386.c (ix86_save_reg): Change `bool' parameter to `int'.

2001-05-12  Richard Henderson  <[e-mail]>

	EH merge from mainline, continued.

	2001-05-12  Richard Henderson  <[e-mail]>
	* dwarf2asm.c (size_of_encoded_value): New function.
	* dwarf2asm.h: Declare it.
	* except.c (output_function_exception_table): Align the TType
	array only as wide as the encoding.

	2001-05-11  Richard Henderson  <[e-mail]>
	* defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
	* dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
	dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
	* dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
	(dw2_output_indirect_constants): Prototype.
	* dwarf2out.c (dwarf2out_begin_prologue): Generate
	current_function_func_begin_label if we'll need it for EH.  Exit
	early for IA64_UNWIND_INFO.
	* except.c: Get DW_EH_PE_* defines from dwarf2.h.
	(eh_data_format_name): Update for indirect references.
	(output_function_exception_table): Care for IA64_UNWIND_INFO.
	Handle ASM_PREFERRED_EH_DATA_FORMAT.
	* except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
	define HAVE_eh_return etc.
	* final.c (final_start_function): Always call dwarf2out_begin_prologue.
	(final_end_function): Don't call output_function_exception_table.
	* toplev.c (compile_file): Call dw2_output_indirect_constants.
	(rest_of_compilation): Invoke output_function_exception_table
	for ia64 before assemble_end_function.
	* tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
	(ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.

	* unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
	* unwind.h: Declare them.
	* libgcc-std.ver: Export them.
	* unwind-pe.h: New file.

	* config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.

	* config/ia64/fde-glibc.c: Use "struct unw_table_entry"
	instead of "fde".
	(find_fde_for_dso): Extract DT_PLTGOT.
	(_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
	the segment and gp as well.
	* config/ia64/frame-ia64.c: Remove file.
	* config/ia64/frame-ia64.h: Remove file.
	* config/ia64/unwind-ia64.c: New file.
	* config/ia64/unwind-ia64.h: New file.
	* config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
	(ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
	(ASM_OUTPUT_EH_DOUBLE_INT): Remove.
	(ASM_PREFERRED_EH_DATA_FORMAT): New.
	(ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
	(IA64_UNWIND_INFO): Re-enable.
	(HANDLER_SECTION): Remove.
	(EH_RETURN_DATA_REGNO): New.
	* config/ia64/ia64.md (exception_receiver): Remove.
	* config/ia64/t-glibc (LIB2ADDEH): Re-enable.
	* config/ia64/t-ia64 (LIB2ADDEH): Re-enable.

	Mon May  7 09:30:14 2001  Jeffrey A Law  ([e-mail])
	* except.c (sjlj_mark_call_sites): Do not search for assignments to
	non-argumment registers that are mentioned in CALL_INSN_FUNCTION