+2003-10-20 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Define _ABIO32.
+ Use it in _MIPS_SIM definition.
+ * config/mips/mips.h (CRT_CALL_STATIC_FUNCTION): Likewise.
+
+2003-10-20 Zack Weinberg <zack@codesourcery.com>
+
+ * config/i386/i386.c (print_reg): Abort if REGNO (x) is a
+ virtual register, but only if file == asm_out_file.
+ * config/i386/i386.h (HI_REGISTER_NAMES): Use "argp", not "",
+ for ARG_POINTER_REGNUM.
+
+2003-10-20 Zack Weinberg <zack@codesourcery.com>
+
+ * c-common.c (registered_builtin_types): New static.
+ (c_common_type_for_mode): Consult registered_builtin_types.
+ (c_register_builtin_type): Add type to registered_builtin_types.
+ * optabs.c (init_floating_libfuncs): Initialize libfuncs for
+ all MODE_FLOAT modes, not just the ones corresponding to
+ float_type_node, double_type_node, and long_double_type_node.
+
+2003-10-20 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.h (PREDICATE_CODES): Add normal_memory_operand.
+ * config/alpha/alpha-protos.h: Remove PREDICATE_CODES prototypes.
+
+2003-10-20 Dorit Naishlos <dorit@il.ibm.com>
+
+ * config/rs6000/rs6000.h: (rs6000_sched_insert_nops):
+ support new flag -minsert-sched-nops.
+ (DEFAULT_SCHED_FINISH_NOP_INSERTION_SCHEME): Define.
+ * config/rs6000/rs6000.c: (rs6000_sched_insert_nops):
+ support new flag -minsert-sched-nops.
+ (is_cracked_insn, is_microcoded_insn): New functions.
+ (rs6000_sched_finish): New function.
+ (rs6000_issue_rate): Return 5 for power4.
+ (get_next_active_insn, insn_terminates_group_p): New
+ functions.
+ (is_costly_group, force_new_group): New functions.
+ (redefine_groups, pad_groups): New functions.
+ (rs6000_variable_issue): Use new functions.
+ * doc/invoke.texi (-minsert-sched-nops): Document new
+ option.
+
+2003-10-20 David S. Miller <davem@redhat.com>
+
+ * config/sparc/sparc.md (type attribute): Add new insn types
+ fpa, fpm_pack, fgm_mul, fgm_pdist, and fgm_cmp for VIS.
+ (patterns emitting VIS insns): Use them.
+ * config/sparc/ultra1_2.md: Add VIS scheduling rules.
+ * config/sparc/ultra3.md: Likewise.
+
+2003-10-20 Falk Hueffner <falk@debian.org>
+
+ PR target/12654
+ * config/alpha/alpha.c (alpha_emit_conditional_branch): Don't do
+ comparison against constant by adjusting the argument except for
+ EQ and NE.
+
+2003-10-19 Mark Mitchell <mark@codesourcery.com>
+
+ * config.gcc: Add support for arm926ejs, arm1026ejs, arm1136js,
+ arm1136jfs, and armv6j.
+ * config/arm/arm.c (FL_ARCH6J): New macro.
+ (FL_VFPV2): Likewise.
+ (all_cores): Add entries for arm926ejs, arm1026ejs, arm1136js,
+ and arm1136jfs.
+ (all_architectures): Add entry for armv6j.
+ (arm_override_options): Add entries for arm926ejs, arm1026ejs,
+ arm1136js, and arm1136jfs.
+ * config/arm/arm.h (TARGET_CPU_arm926ej_s): New macro.
+ (TARGET_CPU_arm1026ej_s): Likewise.
+ (TARGET_CPU_arm1136j_s): Likewise.
+ (TARGET_CPU_arm1136jf_s): Likewise.
+ * doc/invoke.texi: Document new ARM cores and architecture
+ variants.
+
+2003-10-19 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
+
+ * Makefile.in (toplev.o): Add value-prof.h dependency.
+ (value-prof.o): Add REGS_H dependency.
+ * common.opt (fprofile-values, fvpt): New.
+ * flags.h (flag_value_profile_transformations): Declare.
+ * opts.c (common_handle_option): Handle -fprofile_values and
+ -fvpt.
+ * profile.c (branch_prob): Don't remove death notes here.
+ * timevar.def (TV_VPT): New.
+ * value-prof.c: Include regs.h.
+ (insn_divmod_values_to_profile, gen_divmod_fixed_value, gen_mod_pow2,
+ gen_mod_subtract, divmod_fixed_value_transform,mod_pow2_value_transform,
+ mod_subtract_transform, value_profile_transformations): New.
+ (insn_values_to_profile): Call insn_divmod_values_to_profile.
+ (find_values_to_profile): Add dumps.
+ * value-prof.h (value_profile_transformations): Declare.
+ * toplev.c: Include value-prof.h.
+ (rest_of_handle_value_profile_transformations): New.
+ (enum dump_file_index): Add DFI_vpt.
+ (dump_file): Add vpt dump.
+ (flag_value_profile_transformations): New.
+ (lang_independent_options): Add flag_profile_values and
+ flag_value_profile_transformations.
+ (rest_of_compilation): Call
+ rest_of_handle_value_profile_transformations.
+ (process_options): Let -fvpt imply -fprofile-values.
+ * doc/invoke.texi (-fvpt): Document.
+
+2003-10-19 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (print_reg): Do not abort on certain registers.
+
+ PR optimization/12612
+ * reg-stack.c (subst_stack_regs_pat): Use st(1) for clobbers.
+ * i386.md (fpatan, fyl2x, fscale patterns and expanders): Use
+ match_scratch; avoid bogus paralles.
+
+ PR target/12674
+ * i386.c (ix86_function_regparm): Disable implicit register passing
+ conventions when profiling.
+
+2003-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
+ Richard Henderson <rth@redhat.com>
+
+ PR optimization/8178
+ * config/i386/i386.md (*movsi_zero): Delete.
+ (*ffs_no_cmove): Use ix86_expand_clear to zero the third operand.
+
+2003-10-19 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (fix_operator): New.
+ (divmod_operator): Tidy.
+ (alpha_emit_xfloating_cvt): Handle UNSIGNED_FIX.
+ * config/alpha/alpha.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
+ (PREDICATE_CODES): Update.
+ * config/alpha/alpha.md (fix_truncdfsi_ieee): Use match_operator.
+ (fix_truncdfsi_internal, fix_truncdfdi_ieee): Likewise.
+ (fix_truncsfsi_ieee, fix_truncsfsi_internal): Likewise.
+ (fix_truncsfdi_ieee): Likewise.
+ (fix_truncdfdi2, fix_truncsfdi2): Turn into define_expand.
+ (fixuns_truncdfdi2, fixuns_truncsfdi2, fixuns_trunctfdi2): New.
+ * config/alpha/alpha-protos.h: Update.
+
+2003-10-19 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.h (INITIALIZE_TRAMPOLINE): Simplify.
+ * config/mips/mips.c (mips_load_got): Assume Pmode == ptr_mode.
+ * config/mips/mips.md (extendsidi2, *extendsidi2): Merge. Don't accept
+ constant operands.
+
+2003-10-18 Kazu Hirata <kazu@cs.umass.edu>
+
+ * doc/extend.texi: Fix typos.
+ * doc/invoke.texi: Likewise.
+
+2003-10-18 Nicolas Pitre <nico@cam.org>
+
+ * config/arm/arm.c (arm_override_options): Use arm_tune_xscale for
+ XScale optimizations not arm_arch_xscale.
+ * config/arm/arm.h (CONSTANT_ALIGNMENT_FACTOR, MOVE_RATIO): Likewise.
+
+2003-10-18 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/s390-protos.h (shift_count_operand): Add prototype.
+ * config/s390/s390.c (shift_count_operand): New function.
+ (s390_extra_constraint): Use it to implement 'Y' constraint.
+ (print_shift_count_operand): New function.
+ (print_operand): Use it to implement '%Y'.
+ * config/s390/s390.h (EXTRA_ADDRESS_CONSTRAINT): Add 'Y' constraint.
+ (PREDICATE_CODES): Add shift_count_operand.
+ * config/s390/s390.md ("rotldi3"): Merge alternatives,
+ using "shift_count_operand" predicate and "Y" constraint,
+ and "%Y" to output the combined shift count.
+ ("rotlsi3"): Likewise.
+ ("ashldi3", "*ashldi3_31", "*ashldi3_64"): Likewise.
+ ("ashrdi3", "*ashrdi3_31", "*ashrdi3_64", "*ashrdi3_cc_31",
+ "*ashrdi3_cc_64", "*ashrdi3_cconly_31", "*ashrdi3_cconly_64"): Likewise.
+ ("ashlsi3", "ashrsi3", "*ashrsi3_cc", "*ashrsi3_cconly"): Likewise.
+ ("lshrdi3", "*lshrdi3_31", "*lshrdi3_64"): Likewise.
+ ("lshrsi3"): Likewise.
+
+2003-10-18 Gunther Nikl <gni@gecko.de>
+
+ * config/m68k/m68k.c (m68k_output_function_epilogue): Add missing
+ argument to asm_fprintf statement.
+
+2003-10-18 Fariborz Jahanian <fjahanian@apple.com>
+
+ * rs6000.md: Separate TARGET_POWERPC64 patterns for TARGET_64BIT or TARGET_32BIT.
+ (ashrdisi3_noppc64) Generate more efficient code for 32-bit right-shift of
+ a "long long" argument.
+
+2003-10-18 Alexandre Oliva <aoliva@redhat.com>
+
+ * final.c (final_scan_insn): Run FINAL_PRESCAN_INSNS on asm insns
+ as well.
+
+2003-10-18 Richard Sandiford <rsandifo@redhat.com>
+
+ * rtl.h (rtl_size): Declare.
+ (rtunion): Remove rtwint.
+ (rtx_def): Replace 'fld' with a union of an rtunion or a HOST_WIDE_INT.
+ (RTX_HDR_SIZE, RTX_SIZE): New macros.
+ (RTL_CHECK1): Adjust for new rtx_def layout.
+ (RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2): Likewise.
+ (XWINT, XCWINT): Likewise. Access the rtx structure directly.
+ (X0WINT): Remove.
+ (X0ANY): New macro.
+ * rtl.def: Adjust comments for new rtx_def layout.
+ * ggc.h (ggc_alloc_rtx): Take the rtx code as argument, not the
+ number of slots.
+ * rtl.c (rtx_size): New array.
+ (rtx_alloc): Adjust call to ggc_alloc_rtx. Use RTX_HDR_SIZE.
+ (copy_rtx): Use RTX_HDR_SIZE. Adjust for new rtx_def layout.
+ (shallow_copy_rtx): Adjust call to ggc_alloc_rtx. Use RTX_SIZE.
+ * integrate.c (copy_rtx_and_substitute): Use X0ANY to copy '0' fields.
+ * emit-rtl.c (copy_most_rtx): Likewise.
+ (copy_rtx_if_shared): Use RTX_SIZE.
+ (copy_insn_1): Use RTX_HDR_SIZE. Adjust for new rtx_def layout.
+ * gengenrtl.c (gendef): Adjust ggc_alloc_rtx call. Use RTX_HDR_SIZE.
+ * gengtype.c (write_rtx_next): Use RTX_HDR_SIZE.
+ (adjust_field_rtx_def): Expect "rtx_def" to be a union rather than
+ an array. Adjust output for new rtx_def layout.
+ * ggc-page.c (RTL_SIZE): Use RTX_HDR_SIZE.
+ * reload1.c (eliminate_regs): Use RTX_SIZE.
+ * rtlanal.c (loc_mentioned_in_p): Adjust for new rtx_def layout.
+ * gdbinit.in (pi): Likewise.
+
+2003-10-18 Jan Hubicka <jh@suse.cz>
+
+ * integrate.c (copy_decl_for_inlining): Revert previous patch.
+
+2003-10-18 Jan Hubicka <jh@suse.cz>
+
+ * integrate.c (copy_decl_for_inlining): Fix copying of copies.
+
+2003-10-18 Roger Sayle <roger@eyesopen.com>
+
+ * libgcc.texi: Group multi-word types, such as "long double" and
+ "unsigned int", using braces in @deftypefn and @deftypefnx nodes.
+ Document __unord?f2 as returning a non-zero value, not just one.
+
+2003-10-18 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/t-mmix (CRTSTUFF_T_CFLAGS): Define.
+ ($(T)crti.o, $(T)crtn.o): Pass CRTSTUFF_T_CFLAGS here too.
+
+2003-10-18 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * config/i386/k6.md (k6_alux): Use the 'mode' attribute instead of
+ match_operand.
+
+2003-10-18 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * config/sparc/sparc.c (function_arg_record_value_1): New fourth
+ parameter packed_p. Search for a DECL_PACKED field only if
+ packed_p is false. Pass packed_p recursively.
+ (function_arg_record_value_2): Likewise.
+ (function_arg_record_value): Update calls to
+ function_arg_record_value_1 and function_arg_record_value_2.
+
+2003-10-18 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * cse.c (cse_insn) [src_folded]: Check that the tentative replacement
+ was successfully forced to memory before using the result.
+
+2003-10-18 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR optimization/8178
+ * config/i386/i386.md (*movsi_zero): New insn to set
+ a register to zero on TARGET_USE_MOV0 targets.
+
+2003-10-18 Kelley Cook <kcook@gcc.gnu.org>
+
+ * Makefile.in (Makefile): Depend on the all Make-lang.in fragments.
+ (POSTSTAGE1_FLAGS_TO_PASS): Pass down MAKEINFO and MAKEINFOFLAGS.
+
+2003-10-17 David Edelsohn <edelsohn@gnu.org>
+
+ * doc/invoke.texi (gcse-las): Fix typo.
+
+2003-10-17 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * doc/install.texi: Remove first part of the sentence for
+ zsh not working. Change gcc to GCC.
+
+ PR bootstrap/12546
+ * doc/install.texi: Document that zsh does not work when
+ configuring gcc.
+
+2003-10-17 Nathanael Nerode <neroden@gcc.gnu.org>
+
+ * config/ptx4.h: Switch to DWARF 2; update comments.
+
+2003-10-17 Segher Boessenkool <boessen@de.ibm.com>
+ Hartmut Penner <hpenner@de.ibm.com>
+
+ PR 10404, partial 11591, partial 11601
+ * config/rs6000/altivec.md ("altivec_dst", "altivec_dstt",
+ "altivec_dstst", "altivec_dststt", "altivec_lvsl", "altivec_lvsr",
+ "altivec_lvebx", "altivec_lvehx", "altivec_lvewx", "altivec_lvxl",
+ "altivec_lvx", "altivec_stvx", "altivec_stvxl", "altivec_stvebx",
+ "altivec_stvehx", "altivec_stvewx"): Use a memory_operand.
+ * config/rs6000/rs6000.c (altivec_expand_lv_builtin): New function.
+ (altivec_expand_stv_builtin): Adjust for the memory_operand.
+ (altivec_expand_builtin): Call altivec_expand_lv_builtin.
+ (altivec_init_builtins): Use `long int' for memory offsets.
+
+2003-10-17 Jan Hubicka <jh@suse.cz>
+
+ * opts.c (common_handle_option): Handle OPT_fweb
+ * invoke.texi (-fweb): Add missing parts of documentation.
+
+2003-10-17 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * config/mips/linux.h (FUNCTION_NAME_ALREADY_DECLARED): Undef
+ before redefinition.
+
+2003-10-17 Mostafa Hagog <mustafa@il.ibm.com>
+
+ * common.opt: Add description of the new -fgcse-las flag.
+ * flags.h (flag_gcse_las): Declaration of global flag_gcse_las.
+ * gcse.c (hash_scan_set): Handle the case of store expression and
+ insert the memory expression to the hash table, this way we make it
+ possible to discover redundant loads after stores and remove them.
+ (pre_insert_copy_insn): moved the call to update_ld_motion_stores,
+ to pre_insert_copies, it is not the correct place to call it after
+ adding stores to be in the available expression hash table.
+ (pre_insert_copies): Added the call to update_ld_motion_stores when
+ one or more copies were inserted.
+ * opts.c (common_handle_option): Handle the -fgcse-las flag.
+ * toplev.c (flag_gcse_las): Initialization of flag_gcse_las.
+
+ * doc/invoke.tex: Document new -fgcse-las flag.
+
+2003-10-18 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/crtsavres.asm: Correct alignment of powerpc64 code
+ for posterity, then remove it.
+
+2003-10-17 Richard Earnshaw <rearnsha@arm.com>
+ Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/arm/arm.c (use_return_insn): Not a single instruction, if
+ there's a frame pointer.
+ (arm_output_epilogue): Protect stack pointer from being corrupted
+ on interrupt.
+
+2003-10-17 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * ifcvt.c (noce_try_addcc): Handle ifs with 'else' case.
+
+2003-10-17 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * combine.c (simplify_set): Do not clear out undobuf.other_insn
+ already set elsewhere.
+
+2003-10-17 Kelley Cook <kcook@gcc.gnu.org>
+
+ * config/i386/i386.c (ix86_expand_prologue): Use
+ gen_allocate_stack_worker.
+
+2003-10-17 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * config.gcc (mips-sgi-irix6*o32): Only enable use_collect2
+ without gas.
+ (mips-sgi-irix6*): Likewise.
+
+ * config/mips/iris6gas.h: New file.
+ * gcc/config.gcc (mips-sgi-irix6*): Use it.
+
+ * config/mips/mips.h (TARGET_IRIX): Provide default.
+ (TARGET_IRIX5): Likewise.
+ (TARGET_SGI_O32_AS): Likewise.
+ * config/mips/iris5.h (TARGET_IRIX): Redefine as 1.
+ (TARGET_IRIX5): Likewise.
+ * config/mips/iris6.h (TARGET_IRIX6): Remove.
+ (TARGET_IRIX5): Redefine as 0.
+
+ * config/mips/mips.c (mips_output_external): Test for IRIX 6 O32
+ linker workaround with TARGET_IRIX and mips_abi instead of
+ ASM_OUTPUT_UNDEF_FUNCTION.
+ (mips_file_end): Inline old ASM_OUTPUT_UNDEF_FUNCTION definition,
+ testing TARGET_IRIX and mips_abi explicitly.
+ * config/mips/iris5.h (ASM_OUTPUT_UNDEF_FUNCTION): Remove.
+ * config/mips/iris6.h (ASM_OUTPUT_UNDEF_FUNCTION): Remove undef.
+
+ * config/mips/mips.c (irix_output_external_libcall): Renamed from
+ mips_output_external_libcall.
+ Use new TARGET_IRIX in guard.
+ * config/mips/mips-protos.h (irix_output_external_libcall): Match
+ this.
+ * config/mips/iris5.h (TARGET_ASM_EXTERNAL_LIBCALL): Likewise.
+
+ * config/mips/iris5gas.h (HAVE_GAS_SHF_MERGE): Update comment.
+ Define as 0.
+
+ * config/mips/iris6.h (FUNCTION_NAME_ALREADY_DECLARED): Define
+ depending on mips_abi.
+ * config/mips/linux.h (FUNCTION_NAME_ALREADY_DECLARED): Define as 1.
+ * config/mips/mips.c (mips_output_function_prologue): Test
+ FUNCTION_NAME_ALREADY_DECLARED at runtime.
+ (mips_output_function_epilogue): Likewise.
+ (build_mips16_function_stub): Likewise.
+ (build_mips16_call_stub): Likewise.
+ * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Provide
+ default.
+
+ * config/mips/iris6.h (DWARF2_UNWIND_INFO): Don't define for native
+ IRIX 6 O32 assembler.
+ (SUBTARGET_CC1_SPEC): Enforce mips2 ISA with O32 ABI.
+ (TARGET_OS_CPP_BUILTINS): Define _ABIO32, use it to define
+ _MIPS_SIM for O32 ABI.
+ (DWARF2_FRAME_INFO): Don't define for native IRIX 6 O32 assembler.
+ (ASM_DECLARE_FUNCTION_NAME): Integrate mips.h version.
+ (ASM_DECLARE_FUNCTION_SIZE): Move undef before redefinition.
+ Integrate O32 version.
+ (SUBTARGET_ASM_SPEC): Handle -mabi=32.
+ (SUBTARGET_ASM_DEBUGGING_SPEC): Add mdebug_asm_spec for gas with
+ O32 ABI.
+ (BSS_SECTION_ASM_OP_32): Define.
+ (BSS_SECTION_ASM_OP_64): Likewise.
+ (BSS_SECTION_ASM_OP): Define differently for O32 and N32/N64 ABIs
+ using them.
+ (TARGET_ASM_NAMED_SECTION): Reflect renaming.
+ Move up to allow override for O32 ABI without GNU as.
+ (EH_FRAME_SECTION_NAME): Define explicitly.
+ (MUST_USE_SJLJ_EXCEPTIONS): Define.
+ [_MIPS_SIM == _ABIO32 && !GAS] (CTORS_SECTION_ASM_OP,
+ DTORS_SECTION_ASM_OP): Dummy definitions.
+ (TARGET_ASM_NAMED_SECTION): Undef statically.
+ (EH_FRAME_SECTION_NAME): Likewise.
+ (ASM_OUTPUT_FILENAME): Integrate mips.h version.
+ (LINK_SPEC): Only use default options -call_shared -no_unresolved
+ without -r.
+ Don't pass -init, -fini with -mabi=32.
+ (COLLECT_PARSE_FLAG): Define.
+
+ * config/mips/mips.c (iris6_asm_named_section_1): Changed guard to
+ TARGET_IRIX.
+ Renamed to use irix_ prefix.
+ (iris6_asm_named_section): Likewise.
+ (iris_section_align_entry_eq): Likewise.
+ (iris_section_align_entry_hash): Likewise.
+ (iris6_file_start): Likewise.
+ (iris6_section_align_1): Likewise.
+ (iris6_file_end): Likewise.
+ (iris6_section_type_flags): Likewise.
+ (iris_section_align_htab): Likewise.
+ (iris_orig_asm_out_file): Likewise.
+ [TARGET_IRIX] (TARGET_ASM_FILE_START): Reflect rename.
+ (TARGET_ASM_FILE_END): Likewise.
+ (TARGET_SECTION_TYPE_FLAGS): Likewise.
+
+ * config/mips/mips.c [TARGET_IRIX5 && !TARGET_IRIX6]
+ (TARGET_ASM_UNALIGNED_HI_OP): Use runtime initialization in
+ override_options instead.
+ (TARGET_ASM_UNALIGNED_SI_OP): Likewise.
+ (TARGET_ASM_UNALIGNED_DI_OP): Likewise.
+ * config/mips/mips.c (override_options) [USE_COLLECT2]: Restore
+ flag_gnu_linker to defaults without USE_COLLECT2 for non-IRIX O32
+ assemblers.
+ Likewise for constructor/destructor handling.
+ (override_options): Handle IRIX O32 assembler quirks.
+ [TARGET_IRIX] (irix_asm_named_section): Handle O32 ABI with and
+ without gas.
+ (mips_file_start): Use new TARGET_IRIX.
+ (mips_declare_object_name): No special processing for IRIX O32
+ assembler.
+ (mips_finish_declare_object): Likewise.
+ (irix_asm_output_align): Renamed from iris6_asm_output_align.
+ Don't record alignment for O32 ABI.
+ (irix_file_start): Renamed from iris6_file_start.
+ Return early for O32 ABI.
+ (irix_file_end): Renamed from iris6_file_end.
+ Don't emit .section directives for O32 ABI.
+ * config/mips/iris6.h (ASM_OUTPUT_ALIGN): Reflect renaming.
+ * config/mips/mips-protos.h (irix_asm_output_align): Likewise.
+
+ * config/mips/t-iris6 (MULTILIB_OPTIONS): Add mabi=32.
+ (MULTILIB_OSDIRNAMES): Likewise.
+
+2003-10-17 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * collect2.c (COLLECT_PARSE_FLAG): Provide default.
+ (main): Use it.
+ * doc/tm.texi (COLLECT_PARSE_FLAG): Document it.
+
+2003-10-17 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm-modes.def (CC_Nmode): New condition code mode.
+ * arm.c (thumb_condition_code): Delete.
+ (arm_select_cc_mode): Handle single-bit test for Thumb.
+ (arm_print_operand, cases 'd' and 'D'): Don't special case the
+ condition code logic for Thumb.
+ (get_arm_condition_code): Handle CC_Nmode.
+ (thumb_cbrch_target_operand): New function.
+ * arm.h (PREDICATE_CODES): Add thumb_cbrch_target_operand.
+ * arm-protos.h (thumb_cbrch_target_operand): Add prototype.
+ * arm.md: Add Thumb split patterns for zero_extract and
+ sign_extract.
+ (tbit_cbranch, andsi3_cbranch_scratch, andsi3_cbranch)
+ (orrsi3_cbranch_scratch, orrsi3_cbranch, xorsi3_cbranch_scratch)
+ (xorsi3_cbranch, addsi3_cbranch, addsi3_cbranch_scratch)
+ (subsi3_cbranch, subsi3_cbranch_scratch): New Thumb patterns.
+ (cbranchne_decr1): Re-work to use CC_Nmode.
+
+ * arm.c (thumb_expand_epilogue): Add clobbers of registers restored
+ by the return instruction. Add a use of the link register if it
+ wasn't stored.
+
+2003-10-17 Richard Earnshaw <rearnsha@arm.com>
+
+ * flow.c (init_propagate_block_info): Don't abort if a conditional
+ jump is not a comparison of a register. Instead, just don't record
+ conditional life information.
+
+2003-10-16 Jan Hubicka <jh@suse.cz>
+
+ PR optimization/12630
+ * pa.md (movstrsi, movstrsi_internal): Use match_scratch in clobbers
+ for operands 7 and 8.
+
+2003-10-16 Kelley Cook <kcook@gcc.gnu.org>
+
+ * objc/Make-lang.in (objc-parse.o): Honor $(parsedir) for objc-parse.c.
+
+2003-10-16 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
+
+ * config/i386/winnt.c (gen_stdcall_suffix): Make static
+ (gen_fastcall_suffix): Likewise.
+ (i386_pe_dllexport_p): Likewise.
+ (i386_pe_dllimport_p): Likewise.
+ (i386_pe_mark_dllexport): Likewise.
+ (i386_pe_mark_dllimport): Likewise.
+ (i386_pe_asm_named_section): Fix formatting.
+
+2003-10-16 Zack Weinberg <zack@codesourcery.com>
+
+ * configure.in: Add snprintf to gcc_AC_CHECK_DECLS list.
+ * system.h: Declare snprintf if necessary.
+ * configure, config.in: Regenerate.
+
+2003-10-15 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_va_arg): Only align vector
+ arguments if TARGET_ALTIVEC_ABI.
+
+2003-10-15 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.c (fold_builtin_memcpy, fold_builtin_mempcpy,
+ fold_builtin_memmove, fold_builtin_strcpy, fold_builtin_strncpy,
+ fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
+ New functions.
+ (expand_builtin_memcpy): Use integer_zerop instead of testing
+ host_integerp and tree_low_cst directly. Move misapplied hunk
+ for optimization wher SRC and DEST point to the same location.
+ (expand_builtin_mempcpy): From here.
+ (expand_builtin_memmove): Use integer_zerop instead of testing
+ host_integerp and tree_low_cst_directly.
+ (expand_builtin_memset): Likewise.
+ (expand_builtin_memcmp): Likewise (and for integer_onep).
+ (expand_builtin_strncmp): Likewise.
+ (fold_builtin): Call the appropriate fold_builtin_foo functions
+ to optimize memcpy, mempcpy, memmove, strcpy, strncpy, memcmp,
+ strcmp and strncmp.
+
+2003-10-15 Geoffrey Keating <geoffk@apple.com>
+
+ * config/darwin-protos.h (machopic_non_lazy_ptr_name): Delete
+ prototype. Clean up some whitespace.
+ * config/darwin.c: Use gen_rtx_FOO (...) rather than
+ gen_rtx (FOO, ...).
+ (machopic_non_lazy_ptr_name): Make static.
+ (name_needs_quotes): Allow '.' and '$' unquoted.
+ (machopic_legitimize_pic_address): Improve codegen in dynamic-no-pic
+ case.
+
+2003-10-15 Gábor Lóki <alga@rgai.hu>
+
+ * fold-const.c (tree_swap_operands_p): Disable some features
+ when optimizing for size.
+
+2003-10-15 David Daney <ddaney@avtrex.com>
+
+ * config/mips/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New
+ * config/mips/mips.h (DWARF_FRAME_REGNUM): Fixed to allow unwind
+ from leaf functions.
+ (DWARF_FRAME_RETURN_COLUMN): Ditto.
+ (SIGNAL_UNWIND_RETURN_COLUMN): New, used
+ by MD_FALLBACK_FRAME_STATE_FOR.
+ * testsuite/gcc.dg/cleanup-9.c: Added mips*-*-linux* target.
+
+2003-10-15 Zack Weinberg <zack@codesourcery.com>
+
+ * genmodes.c: Include hashtab.h.
+ (modes_by_name, hash_mode, eq_mode, struct mode_adjust)
+ (adj_bytesize, adj_alignment, adj_format, new_adjust)
+ (_ADD_ADJUST, ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FORMAT)
+ (print_maybe_const_decl, emit_mode_adjustments): New.
+ (known_modes): Rename to modes.
+ (find_mode): Kill class argument; look up in hash table.
+ (new_mode): Insert into hash table also.
+ (new_adjust): New.
+ (reset_float_format, make_partial_integer_mode)
+ (make_vector_mode): Tweak error reporting.
+ (reset_float_format): Correct type of fourth argument.
+ (emit_insn_modes_h): Add #defines to help make mode_size,
+ mode_base_align, and real_format_for_mode conditionally const.
+ (emit_mode_size, emit_mode_base_align): Use print_maybe_const_decl.
+ (emit_real_format_for_mode): Likewise, but temporarily disabled.
+ (emit_insn_modes_c): Call emit_mode_adjustments.
+ (main): Initialize modes_by_name.
+ * Makefile.in: Update dependencies.
+ * machmode.def: Document EXPR arguments and new ADJUST_* statements.
+ * machmode.h: Use CONST_MODE_SIZE and CONST_MODE_BASE_ALIGN in
+ declarations of mode_size and mode_base_align. Declare
+ init_adjust_machine_modes.
+ * toplev.c (backend_init): Call init_adjust_machine_modes.
+
+2003-10-15 Olivier Hainque <hainque@act-europe.fr>
+
+ * genmodes.c (calc_wider_mode): Allocate enough room for all the
+ entries we'll possibly assign in the sort buffer.
+
+2003-10-15 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config.gcc (s390x-ibm-tpf*): New target.
+ * doc/install.texi: Document it.
+ * config/s390/t-tpf: New file.
+ * config/s390/tpf.h: New file.
+
+2003-10-15 Hans-Peter Nilsson <hp@axis.com>
+
+ PR target/12598
+ * config/cris/cris.md (define_split "*mov_sidesi_biap_mem"+1)
+ (define_splits "*mov_sidesi_mem"+1, "casesi"+9, +10, +11, +12):
+ Use cris_mem_op and replace_equiv_address, not gen_rtx_MEM.
+ ("call", "call_value", define_split "*mov_sidesi_mem"+19, +20)
+ (define_split "*mov_sidesi_mem"+21, +22, +23, +24, +25, +26, +27)
+ (define_split "*mov_sidesi_mem"+28, +29, +30): Use
+ replace_equiv_address, not gen_rtx_MEM.
+ * config/cris/cris.c (cris_mem_op): New match_operator function.
+ (cris_notice_update_cc): Use replace_equiv_address, not
+ gen_rtx_MEM.
+ * config/cris/cris.h (PREDICATE_CODES): Add cris_mem_op.
+
+2003-10-15 Bernardo Innocenti <bernie@develer.com>
+
+ * config/m68k/m68k.h (MASK_SEP_DATA, TARGET_SEP_DATA,
+ MASK_ID_SHARED_LIBRARY, TARGET_ID_SHARED_LIBRARY): Move
+ definitions after the other flags.
+
+2003-10-14 Ziemowit Laski <zlaski@apple.com>
+
+ * c-parse.in (methoddef, methodproto): Call objc_add_method()
+ instead of add_method().
+ * objc/objc-act.c (objc_check_decl): Do not check for
+ constant_string_type.
+ (add_method): Rename to objc_add_method().
+ (really_start_method): Call objc_add_method() instead of
+ add_method().
+ * objc/objc-act.h (add_method): Rename to objc_add_method().
+
+2003-10-14 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/s390-protos.h (s390_alc_comparison): Add prototype.
+ (s390_slb_comparison): Likewise.
+ * config/s390/s390.c (s390_alc_comparison, s390_slb_comparison):
+ New functions.
+ * config/s390/s390.h (PREDICATE_CODES): Add s390_alc_comparison
+ and s390_slb_comparison.
+ * config/s390/s390.md ("*adddi3_31", "*subdi3_31"): Do not use on
+ zSeries machines.
+ ("*adddi3_31z", "*subdi3_31z"): New insns.
+ ("*adddi3_alc_cc", "*adddi3_alc", "*subdi3_slb_cc", "*subdi3_slb",
+ "*addsi3_alc_cc", "*addsi3_alc", "*subsi3_slb_cc", "*subsi3_slb"):
+ New insns.
+
+2003-10-14 Nathanael Nerode <neroden@gcc.gnu.org>
+
+ * configure.in: Clean up some feedback echoes.
+ * configure: Regenerate.
+
+ * aclocal.m4: Properly quote names of macros being defined.
+
+ * config.gcc (am33_2.0-*-linux*): Use t-slibgcc-elf-ver.
+
+2003-10-14 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/ia64.c (ia64_expand_call): Force function address
+ to DImode.
+ * config/ia64/ia64.md (call_gp): Put DImode on operand 0.
+
+2003-10-14 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/s390.md ("muldf3", "*muldf3", "*muldf3_ibm",
+ "mulsf3", "*mulsf3", "*mulsf3_ibm"): Do not clobber CC.
+ ("divdf3", "*divdf3", "*divdf3_ibm", "divsf3", "*divsf3",
+ "*divsf3_ibm"): Likewise.
+
+2003-10-14 Nathanael Nerode <neroden@gcc.gnu.org>
+
+ * config.gcc, config/m68hc11/t-m68hc11-gas: Replace uses of
+ target_alias with target_noncanonical.
+
+2003-10-14 Geoffrey Keating <geoffk@apple.com>
+
+ * expr.c (block_move_libcall_safe_for_call_parm): Clean up,
+ and add case for machines where outgoing register parameters
+ get stack space.
+
+ * config/darwin.c (machopic_indirect_data_reference): Use a scratch
+ register when generating indirect address.
+
+2003-10-14 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (arm_addimm_operand): MODE arguemnt is unused.
+ * arm.md (cbranchne_decr1): Fix bootstrap warning.
+
+2003-10-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * fixinc/inclhack.def (alpha_pthread_gcc): New fix.
+ * fixinc/fixincl.x: Regenerate.
+ * fixinc/tests/base/pthread.h [ALPHA_PTHREAD_GCC_CHECK]: New
+ testcase.
+ Fixes PR bootstrap/9330.
+
+2003-10-13 Eric Christopher <echristo@redhat.com>
+
+ * config/frv/frv.c (frv_adjust_field_align): Redo check for
+ too wide bitfields.
+ (frv_hard_regno_mode_ok): Add SPR_P and AP_FIRST.
+ * config/frv/frv.h (FUNCTION_PROFILER): Remove abort call.
+ (SBSS_SECTION_ASM_OP): Remove.
+ (EXTRA_SECTIONS): Remove in_sbss.
+ (EXTRA_SECTION_FUNCTIONS): Remove SBSS_SECTION_FUNCTION.
+ (SBSS_SECTION_FUNCTION, sbss_section): Remove.
+ (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Change sbss_section to
+ named_section.
+
+2003-10-13 Nathanael Nerode <neroden@gcc.gnu.org>
+
+ * Makefile.in, configure.in, config.host, mkheaders.in: Replace
+ uses of ${target_alias} for directory names (and other places which
+ won't like the empty string) with ${target_noncanonical}. Introduce
+ call early in configure.in to _GCC_TOPLEV_NONCANONICAL_TARGET so it's
+ available.
+ * configure: Regenerate.
+
+2003-10-13 Ian Lance Taylor <ian@wasabisystems.com>
+
+ * config/arm/iwmmxt.md (cond_iwmmxt_movsi_insn): New pattern.
+ * config/arm/arm.md: For splits which rely on conditional moves,
+ remove ! TARGET_IWMMXT condition.
+
+2003-10-13 David S. Miller <davem@redhat.com>
+
+ * ifcvt.c (num_removed_blocks): Rename to num_true_changes.
+ (find_cond_trap): Always increment if we emit a conditional
+ trap insn.
+
+2003-10-13 Zack Weinberg <zack@codesourcery.com>
+
+ * Makefile.in (BUILD_RTL): Replace $(BUILD_PREFIX)insn-modes.o
+ with min-insn-modes.o.
+ (STAGESTUFF): Add min-insn-modes.c.
+ (genobjs): Add genmodes.o.
+ (print-rtl.o, print-rtl1.o): Depend on $(TM_P_H).
+ (insn-modes.o): Depend on $(TM_H) not $(GTM_H); also real.h.
+ (min-insn-modes.c, min-insn-modes.o): New rules.
+ (s-modes): Also generate min-insn-modes.c.
+ ($(BUILD_PREFIX_1)insn-modes.o): Kill.
+ * genmodes.c (struct mode_data): Add format field.
+ (blank_mode, validate_mode, complete_mode): Update to match.
+ (make_scalar_mode): Separate into make_int_mode and make_float_mode.
+ (_SCALAR_MODE): Kill.
+ (FLOAT_MODE, FRACTIONAL_FLOAT_MODE): Add format argument.
+ (emit_insn_modes_c_header): Adjust.
+ (emit_min_insn_modes_c_header, emit_real_format_for_mode)
+ (emit_min_insn_modes_c): New functions.
+ (emit_insn_modes_c): Call emit_real_format_for_mode.
+ (main): Add -m option to generate min-insn-modes.c.
+ * machmode.h: Update documentation. Add format argument to
+ all uses of FLOAT_MODE.
+ * real.c: Don't define real_format_for_mode here.
+
+ * dwarfout.c: Move default definition of PRINT_REG...
+ * defaults.h: ...here.
+ * print-rtl.c: Include tm_p.h.
+ (DEBUG_PRINT_REG, DEBUG_REGISTER_NAMES, debug_reg_names, reg_names):
+ Kill.
+ (print_rtx): Use PRINT_REG, not DEBUG_PRINT_REG. But surround
+ this entire block with #ifndef GENERATOR_FILE.
+ * regclass.c: Unconditionally define reg_names.
+ * config/mips/mips.h, config/rs6000/rs6000.h, config/sh/sh.h
+ Don't define DEBUG_REGISTER_NAMES.
+ * config/rs6000/darwin.h: Don't use DEBUG_REGISTER_NAMES in
+ redefinition of REGISTER_NAMES.
+ * config/i386/i386.h: Don't define DEBUG_PRINT_REG.
+
+ * combine.c: Change all preprocessor conditionals on
+ EXTRA_CC_MODES to use SELECT_CC_MODE instead; rearrange a bit
+ for clarity.
+ * genopinit.c: Remove mention of EXTRA_CC_MODES in comment.
+ * configure.in: Don't define EXTRA_CC_MODES.
+ * configure, config.in: Regenerate.
+ * doc/tm.texi: Remove documentation of EXTRA_CC_MODES.
+
+ * config/arc/arc.c, config/m32r/m32r.c, config/sparc/sparc.c:
+ May assume that GET_MODE_CLASS is accurate for extra CC modes
+ at all times.
+
+ * config/i860/i860.h (INIT_CUMULATIVE_ARGS): Pass correct
+ number of arguments to aggregate_value_p.
+
+ * genmodes.c (RESET_FLOAT_FORMAT, reset_float_format): New.
+ * machmode.def: Explain ARCH-modes.def. Document
+ RESET_FLOAT_FORMAT. Improve commentary on various mode
+ clusters. Do not define OI, PQI, PHI, PSI, PDI, QF, HF, TQF,
+ XF, or TF modes here. Remove backward-compatibility
+ definition of CC.
+
+ * config/alpha/alpha-modes.def: New file; define TF mode.
+ * config/arc/arm-modes.def: Define XF mode.
+ * config/c4x/c4x-modes.def: Define QF and HF modes. Unset
+ float format for SF and DF modes.
+ * config/dsp16xx/dsp16xx-modes.def: New file; define HF mode.
+ * config/i386/i386-modes.def: Define XF and TF modes.
+ * config/i960/i960-modes.def: Define TF mode.
+ * config/ia64/ia64-modes.def: Define TF and OI modes.
+ * config/m68k/m68k-modes.def: New file; define XF mode.
+ * config/mips/mips-modes.def: New file; define TF mode, reset
+ formats for SF and DF modes.
+ * config/pa/pa-modes.def: Define TF mode.
+ * config/rs6000/rs6000.c: Define TF and PSI modes.
+ * config/s390/s390-modes.def: Define OI mode.
+ * config/sh/sh-modes.def: New file; define PSI mode.
+ * config/sparc/sparc-modes.def: Define TF mode.
+ * config/vax/vax-modes.def: New file; reset formats for SF and
+ DF modes.
+
+ * config/c4x/c4x.c (c4x_override_options): No need to mess
+ with real_format_for_mode or set REAL_MODE_FORMATs.
+ (c4x_immed_int_constant): Don't apply GET_MODE_CLASS to rtx
+ variable.
+ * config/i386/i386.c (override_options): No need to set
+ REAL_MODE_FORMATs here.
+ * config/i960/i960.c (i960_initialize): Likewise.
+ * config/m68k/m68k.c (m68k_override_options): Likewise.
+ * config/ia64/ia64.c (ia64_override_options): Set REAL_MODE_FORMAT
+ for TFmode only if not the default.
+ * config/mips/mips.c (override_options): Likewise.
+ * config/vax/vax.c (override_optionms): Set REAL_MODE_FORMAT for
+ DFmode only if not the default.
+
+ * config/i370/i370.h (RET_REG): Don't consider TFmode.
+ * config/m68hc11/m68hc11.c (print_operand): Don't consider XFmode.
+ * config/dsp16xx/dsp16xx.c (hard_regno_mode_ok): #if 0 out use
+ of modes that don't appear anywhere in the machine description.
+
+ * config/arc/arc-modes.def, config/arm/arm-modes.def
+ * config/c4x/c4x-modes.def, config/frv/frv-modes.def
+ * config/i386/i386-modes.def, config/i960/i960-modes.def
+ * config/ia64/ia64-modes.def, config/mmix/mmix-modes.def
+ * config/pa/pa-modes.def, config/pdp11/pdp11-modes.def
+ * config/rs6000/rs6000-modes.def, config/s390/s390-modes.def
+ * config/sparc/sparc-modes.def: Convert to new style for
+ declaring extra CC modes.
+
+2003-10-13 Zack Weinberg <zack@codesourcery.com>
+
+ * cpplex.c (_cpp_clean_line): In the common case of a line
+ with no trigraphs and no \-newline, avoid writing to memory.
+ (_cpp_skip_block_comment): Use a local 'cur' pointer instead
+ of the buffer member. Make c an uchar to avoid unnecessary
+ sign extensions.
+
+2003-10-13 Nathanael Nerode <neroden@gcc.gnu.org>
+
+ * configure.in: Remove unnecessary test.
+ * configure: Regenerate.
+
+ * configure.in: Fix grammatical error. Move UWIN host error to...
+ * config.host: Here.
+ * configure: Regenerate.
+
+2003-10-13 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.md ("*fmadddf4", "*fmsubdf4", "*fmaddsf4",
+ "*fmsubsf4"): Insns are now dependent on TARGET_FUSED_MADD instead
+ of flag_unsafe_math_optimizations.
+ * config/s390/s390.h ("MASK_NO_FUSED_MADD", "TARGET_NO_FUSED_MADD",
+ "TARGET_FUSED_MADD", "TARGET_SWITCHES"): Introduced new target flags
+ fused-madd and no-fused-madd.
+ * doc/invoke.texi: Documented the new options fused-madd and
+ no-fused-madd for S/390.
+
+2003-10-14 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Choose
+ MASK_ALIGN_NATURAL if rs6000_alignment_string not given. Don't
+ assign DEFAULT_ABI.
+ (ADJUST_FIELD_ALIGN, ROUND_TYPE_ALIGN): Update comment.
+ * config/rs6000/rs6000.c: Formatting.
+ (rs6000_parse_alignment_option): Only set rs6000_alignment_flags
+ when rs6000_alignment_string given.
+
+2003-10-13 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR target/12538
+ * config/sparc/sparc.c (MUST_SAVE_REGISTER): Delete.
+ (sparc_flat_must_save_register_p): New function to decide whether
+ a register must be saved/restored in the function prologue/epilogue.
+ (sparc_flat_compute_frame_size): Use it instead of MUST_SAVE_REGISTER.
+
2003-10-12 Steven Bosscher <steven@gcc.gnu.org>
* config/avr/avr.c, config/avr/avr-protos.h: Convert to
ISO C90 function declarations and definitions.
+ * config/sh/sh.c, config/sh/sh-protos.h: Likewise.
2003-10-12 Nathanael Nerode <neroden@gcc.gnu.org>
and the signed type would overflow. Always negate real constants
unless we honor -ftrapping-math. Only convert -(A-B) into B-A
if allowed by reorder_operands_p. Add support for COMPLEX_CST.
- Optimize negation through floating point extensions and
+ Optimize negation through floating point extensions and
sign-preserving built-in functions (as defined by negate_mathfn_p).
(fold): Adjust calls to tree_swap_operands_p.
(fold <NEGATE_EXPR>): Move the remaining negation optimizations
point optimizations with -funsafe-math-optimizations.
2003-10-11 Andrew Pinski <pinskia@physics.uc.edu>
-
+
* genmodes.c (emit_mode_mask) Change MASK to MODE_MASK.
2003-10-11 Kazu Hirata <kazu@cs.umass.edu>
Paul Dale <pauli@snapgear.com>
* config/m68k/lb1sf68.asm: Add __PIC__ and __ID_SHARED_LIBRARY__
- support.
+ support.
* config/m68k/m68k-none.h (ASM_SPEC): Pass --pcrel to assembler on
-fpic, -fPIC, -msep-data and -mid-shared-library.
* config/m68k/m68k.c (m68k_library_id_string): New global variable.