combine.c (combine_simplify_rtx <case NOT, [...]): Move simplifications that do not...
[official-gcc.git] / gcc / ChangeLog
blobbfa1e941d70c7626687243b4c9521833caff77bf
1 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
3         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
4         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
5         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
6         simplify_logical): Move simplifications that do not require
7         additional infrastructure...
8         * simplify-rtx.c (simplify_unary_operation_1,
9         simplify_binary_operation_1): ... here.
11 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
13         PR 24823
14         * flow.c (mark_used_dest_regs): New function.
15         (mark_used_regs): Call mark_used_dest_regs.
17 2005-12-16  Jeff Law  <law@redhat.com>
19         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
20         represent a use and definition of the same SSA_NAME.
22 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
23             Janis Johnson  <janis187@us.ibm.com>
24             Ben Elliston  <bje@au.ibm.com>
26         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
27         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
28         * target.h (struct gcc_target): Add decimal_float_supported_p.
29         * targhooks.c (default_scalar_mode_supported_p): Handle
30         MODE_DECIMAL_FLOAT.
31         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
32         of inf, nan, finite, isinf and isnan.
33         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
34         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
35         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
36         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
37         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
38         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
39         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
40         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
41         Pedwarn if decimal floating point types are used.  Error if
42         decimal floating point is not supported by the target.
43         (finish_declspecs): Return type from DFP typespec_word.
44         * c-typeck.c (c_common_type): Choose the decimal floating point
45         type with the greater precision when determining a common type.
46         (convert_arguments): Warn if there is a mismatch between argument
47         and prototype for decimal float types.  Warn of conversions with
48         binary float types and of precision narrowing due to prototype.
49         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
50         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
51         (c_token_starts_declspecs): Likewise.
52         (c_parser_attributes): Likewise.
53         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
54         RID_DFLOAT64, RID_DFLOAT128.
55         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
56         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
57         (shorten_compare): Convert DFP/BFP operands to a common type.
58         (c_common_modes_and_builtins): Register built-in decimal float
59         types if the target supports them.
60         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
61         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
62         inf, nan, finite, isinf and isnan builtins.
63         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
64         (builtin_define_float_constants): Assert non-decimal radix.
65         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
66         Call builtin_define_decimal_float_constants for each type.
67         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
68         flags.  Use real_from_string3, which can handle binary or decimal
69         floats.
70         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
71         cts_dfloat64, cts_dfloat128.
72         * tree.c (build_common_tree_nodes_2): Add decimal float types.
73         * tree.h (enum tree_index): Add new enumeration values
74         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
75         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
76         (dfloat32_type_node): New macro.
77         (dfloat64_type_node, dfloat128_type_node): Likewise.
78         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
79         (dfloat128_ptr_type_node): Likewise.
80         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
81         bit decimal floating point types with "df", "dd" and "dl".
82         * c-format.h (enum format_lengths): Add new enumeration values
83         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
84         * c-format.c (printf_length_specs, scanf_length_specs): Add
85         entries for H, D, DD.
86         (print_char_table, scan_char_table): Use new entries.
87         (asm_fprintf_char_table, gcc_diag_char_table,
88         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
89         length arrays.
90         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
91         (DECIMAL64_TYPE_SIZE): Likewise.
92         (DECIMAL128_TYPE_SIZE): Likewise.
93         (TARGET_DEC_EVAL_METHOD): Likewise.
94         * doc/extend.texi (Decimal Float): New node.
95         (Constructing Calls): Document decimal float built-ins.
96         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
97         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
98         * ginclude/decfloat.h: New file.
100 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
102         * reload.c (find_reloads): Fix comment typo.
103         * recog.h (recog_memoized): Correct comment.
105 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
107         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
108         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
109         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
110         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
111         * doc/invoke.texi, doc/tm.texi: Fix typos.
113 2005-12-16  Ben Elliston  <bje@au.ibm.com>
115         * real.c (decimal_quad_format): Correct values for emin, emax.
117 2005-12-15  DJ Delorie  <dj@redhat.com>
119         * config/m32c/predicates.md (m32c_psi_scale): New.
120         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
121         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
123 2005-12-16  Jan Hubicka  <jh@suse.cz>
125         PR rtl-optimization/25224
126         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
127         tables.
129 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
130             Steven Bosscher <stevenb@suse.de>
132         * loop-invariant.c (df): New global variable.
133         (find_defs, check_dependencies, find_invariant_insn, record_uses,
134         find_invariants_bb, find_invariants_body, find_invariants,
135         find_invariants_to_move, move_invariants, free_inv_motion_data,
136         move_single_loop_invariants, move_loop_invariants): Do not pass df in
137         arguments.
139 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
141         * varasm.c (default_unique_section_1): Use special section
142         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
144 2005-12-16  Ben Elliston  <bje@au.ibm.com>
146         * doc/invoke.texi (Warning Options): Document -Walways-true being
147         enabled by -Wall.
149 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
151         PR other/25028
152         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
153         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
154         __floatunditf): Use #error if type sizes don't match requirements
155         of implementation.
156         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
157         as wider floating-point type.  Use #error if type sizes don't
158         match requirements of implementation.  Avoid overflow in computing
159         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
160         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
161         (__floatundisf, __floatundidf): Likewise.
162         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
163         * config/ia64/ia64.c (ia64_init_libfuncs): Use
164         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
165         TFmode-TImode conversions.
166         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
168 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
170         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
171         Use builtin_define_with_int_value() instead of
172         adding a new check for every new major FreeBSD version.
174 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
176         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
178 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
180         * config/arm/predicates.md (call_memory_operand): New.
181         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
183 2005-12-15  Andrew Haley  <aph@redhat.com>
185         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
186         against prev_cache_entry == NULL when moving a cache entry to the
187         head of the list.
188         
189 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
191         * config/mt/mt.c (mt_override_options): Require lower case
192         architectures.  Revert accidental default to ms2.
193         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
194         ENDFILE_SPEC): Require lower case architectures.  Revert default
195         to ms2.
197         * doc/invoke.texi (MT Options): Rename and update.
198         * doc/md.texi (MorphoTech family): Rename and update.
200 2005-12-15  Olivier Hainque  <hainque@adacore.com>
202         * stor-layout.c (layout_type): Don't complain about a too small
203         an array element type size compared to its alignment when the
204         size overflows.
206 2005-12-15  Jan Hubicka  <jh@suse.cz>
208         PR target/24969
209         * i386.c (classify_argument): Properly adjust offset of bitfield for
210         substructures.
212 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
214         * final.c (final_scan_insn): Flip in_cold_section_p when changing
215         between the hot and cold sections.  Use current_function_section
216         to get the new section.
217         * dwarf2out.c (output_line_info): Use in_cold_section_p to
218         determine whether we are assembling hot or cold code.
219         (secname_for_decl, dwarf2out_var_location): Likewise.
220         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
221         * varasm.c (last_text_section): Delete.
222         (in_cold_section_p): New variable.
223         (hot_function_section): New function.
224         (current_function_section): Pass in_cold_section_p as the
225         reloc argument to select_section.  Use it to decide between
226         unlikely_function_section and hot_function_section.
227         (assemble_start_function): Use switch_to_section.  Set
228         in_cold_section_p instead of last_text_section.
229         (assemble_end_function): Use switch_to_section.
230         (switch_to_section): Don't set last_text_section.
231         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
232         argument to make the right choice between hot and cold sections.
234 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
236         Second part of MS1->MT renaming
237         * config/mt/mt.md (doloop_end): Call mt_add_loop.
238         (movqi, movhi): Call mt_set_memflags.
239         (*movdf_internal): Call mt_split_words. 
240         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
241         mt_set_memflags.
242         (cmpsi): Store to mt_compare_op[01].
243         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
244         bungt, bunle, bunlt): Call mt_emit_cbranch.
245         (prologue): Call mt_expand_prologue.
246         (epilogu): Call mt_expend_epilogue.
247         (eh_return): Call mt_expand_eh_return.
248         (eh_epilogue): Call me_emit_eh_epilogue.
249         (conditional_trap): Store to mt_compare_op[01].
250         * config/mt/crti.asm: Adjust comment.
251         * config/mt/crtn.asm: Adjust comment.
252         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
253         (mt_compare_op0, mt_compare_op1): Renamed.
254         (current_frame_info, zero_frame_info): Adjust type.
255         (mt_ucmpsi3_libcall): Renamed.
256         (mt_flag_delayed_branch): Renamed.
257         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
258         (mt_nops_required, mt_nop_reasons): Renamed.
259         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
260         mt_debug_stack, mt_print_operand_simple_address,
261         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
262         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
263         mt_function_arg_advance, mt_arg_partial_bytes,
264         mt_pass_by_reference, mt_function_arg_boundary,
265         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
266         mt_legitimate_address_p): Renamed, adjusted.
267         (mt_cpu): Renamed.
268         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
269         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
270         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
271         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
272         mt_expand_eh_return, mt_emit_eh_prologue,
273         mt_handl_interrupt_attribute): Renamed, adjusted.
274         (mt_attribute_table): Renamed, adjusted.
275         (mt_initial_elimination_offset, mt_generate_compare,
276         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
277         mt_secondary_reload_class, mt_function_value, mt_split_words,
278         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
279         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
280         (mt_labels): Renamed.
281         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
282         mt_machine_reorg): Renamed, adjusted.
283         (mt_attribute_table: Renamed.
284         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
285         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
286         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
287         * config/mt/mt.opt (march): Set mt_cpu_string.
288         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
289         (TARGET_CPU_CPP_BUILTINS): Adjust.
290         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
291         TARGET_MS2): Adjust.
292         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
293         (MT_MIN_INT): Renamed.
294         (RETURN_ADDR_RTX): Adjust.
295         (struct mt_frame_info): Renamed.
296         (current_frame_info): Adjust type.
297         (INITIAL_ELIMINATION_OFFSET): Adjust.
298         (MT_NUM_ARG_REGS): Renamed.
299         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
300         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
301         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
302         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
303         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
304         (mt_compare_op0, mt_compare_op1): Renamed.
305         * config/mt/mt-protos.h: Rename prototypes.
307 2005-12-15  Richard Guenther  <rguenther@suse.de>
309         * tree-flow.h (okay_component_ref_for_subvars): Remove.
310         (get_ref_base_and_extent): Declare.
311         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
312         (get_ref_base_and_extent): New function.
313         * tree-ssa-alias.c (find_used_portions): Use it.
314         * tree-ssa-structalias.c (get_constraint_for_component_ref):
315         Likewise.
316         * tree-ssa-operands.c (get_expr_operands): Likewise.
318 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
320         * combine.c: Remove force_to_mode's fourth parameter.
321         (force_to_mode): Do not handle REG.
322         (canon_reg_for_combine): New.
323         (make_field_assignment): Use it where the removed argument was non-NULL.
325 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
327         PR target/25406
328         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
329         error_mark_node.  Make alignment params unsigned.
330         * config/rs6000/rs6000-protos.h
331         (rs6000_special_round_type_align): Update prototype.
332         (rs6000_machopic_legitimize_pic_address): Remove arg names.
334 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
336         PR rtl-optimization/25310
337         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
338         of the eliminable register when substituting into a PLUS.
340 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
342         PR debug/25023
343         * config/i386/i386.c (ix86_force_to_memory): Always use
344         SImode push for HImode in -m32.
345         (ix86_free_from_memory): Likewise.
347 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
349         * gcc/config/arm/arm.md: Provide a big-endian version of the
350         (zero_extend:SI (subreg:QI ...)) splitter.
352 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
354         * struct-equiv.c (note_local_live): Handle hard regs with different
355         hard_regno_nregs.
357 2005-12-14  Jeff Law  <law@redhat.com>
359         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
360         to a structure containing state rather than a pointer to bool.
361         (case ARRAY_REF): New code to handle folding some array references.
362         (case ADDR_EXPR): Note when we are processing expressions found
363         within an ADDRE_EXPR.
364         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
365         for state variables rather than just a pointer to a boolean.
366         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
367         handling of constant string references.
369 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
371         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
372         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
373         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
374         Move other tst* patterns to retain partial order.
376 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
378         * config/s390/s390.md ("d0", "1"): New mode attributes.
379         ("<shift>di3", "<shift>si3"): Merge.
380         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
381         ("ashrdi3", "ashrsi3"): Merge.
382         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
383         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
384         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
385         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
386         ("*ashrdi3", "*ashrsi3"): Merge.
387         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
389 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
391         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
392         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
393         ("*extendqidi2", "*extendqisi2") Merge.
394         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
395         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
396         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
397         Move some patterns to retain partial ordering.
399 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
401         * config/s390/s390.md ("atype", "length"): Rewrite.
402         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
404 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
406         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
408 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
410         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
411         PARALLELs with a mode.
413 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
415         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
416         cond_expr parameter.
418 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
420         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
422 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
424         PR bootstrap/25397:
426         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
427         of STACK_REGS bits.
429         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
431 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
433         PR target/25254
434         PR target/24188
435         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
436         DECL_P, call get_section rather than get_named_section.  Supply
437         section flags to it.
439 2005-12-14  Ben Elliston  <bje@au.ibm.com>
441         * c-common.c (c_common_truthvalue_conversion): Generalise warning
442         for addresses converted to booleans; not just function addresses.
443         * c-typeck.c (build_binary_op): Warn for address comparisons which
444         can never be NULL (eg. func == NULL or &var == NULL).
445         * common.opt (Walways-true): New option.
446         * c-opts.c (c_common_handle_option): Set it with -Wall.
447         * doc/invoke.texi: Document it.
449 2005-12-13  Paul Brook  <paul@codesourcery.com>
451         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
452         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
454 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
456         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
457         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
459         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
460         (EXTRA_MULTILIB_PARTS): Define.
462 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
464         PR rtl-optimization/20070 / part1
465         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
466         count_or_remove_death_notes with kill == -1.
467         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
468         registers if PROP_POST_REGSTACK is set.
469         (mark_used_reg): Likewise.
470         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
471         REG_UNUSED notes for stack regs.
472         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
473         to match rtx_equiv_p machinery.  Change caller.
474         (outgoing_edges_match): Likewise.
475         (try_crossjump_to_edge): Use struct_equiv_block_eq
476         instead of flow_find_cross_jump.
477         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
478         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
479         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
480         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
481         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
482         (insns_match_p): Update prototype.
483         (flow_find_cross_jump): Remove prototype.
484         (struct_equiv_block_eq, struct_equiv_init): Declare.
485         (rtx_equiv_p, condjump_equiv_p): Likewise.
486         * struct-equiv.c: Include reload.h.
487         (IMPOSSIBLE_MOVE_FACTOR): Define.
488         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
489         (struct_equiv_improve_checkpoint): Likewise.
490         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
491         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
492         (struct_equiv_merge, find_dying_input): Likewise.
493         (resolve_input_conflict, note_local_live): Likewise.
494         (death_notes_match_p): Change parameters and processing
495         to match rtx_equiv_p machinery.  Change caller.
496         (insns_match_p): Likewise.
497         (flow_find_cross_jump): Replace with:
498         (struct_equiv_block_eq).
500         Back out this change:
501         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
502           * recog.c (verify_changes): Make it static.
503           * recog.h: Remove the corresponding prototype.
505 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
507         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
508         values.
510 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
512         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
513         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
514         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
515         TARGET_MS1_64_001 appropriately.
516         (ms1_machine_reorg): Use TARGET_MS2.
518 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
520         PR debug/25023
521         PR target/25293
522         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
523         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
524         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
525         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
526         Set mode to SI, adjust constraints.
527         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
528         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
529         32-bit code.
531 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
533         * c-cppbuiltin.c (builtin_define_float_constants): Add
534         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
535         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
536         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
537         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
538         to "((double)%sL)" otherwise "%s".
540 2005-12-13  Paul Brook  <paul@codesourcery.com>
542         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
543         apcs/atpcs.
545 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
547         * tree-flow.h: Allow compilation with a C++ compiler.
548         (struct edge_prediction): Prefix all field names  with "ep_".
549         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
550         (tree_predict_edge, combine_predictions_for_bb): Likewise.
551         (remove_predictions_associated_with_edge): Likewise.
552         
553 2005-12-12  Jeff Law  <law@redhat.com>
555         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
556         reassociation code.
557         * passes.c (init_optimization_passes): Run reassociation again
558         after loop optimizations.
560 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
562         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
563         if necessary.
564         (optimize_stmt): Ditto.
565         (canonicalize_comparison): New function.
566         * tree-ssa-operands.c (swap_tree_operands): Make external.
567         (get_expr_operands): Stop auto-canonicalization.
568         * tree-ssa-reassoc.c: Rewrite.
569         (init_optimization_passes): 
570         * tree-flow.h (swap_tree_operands): Prototype.
571         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
573 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
575         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
576         indicate function epilogue has been output.
577         (pa_asm_output_mi_thunk): Likewise.
578         (output_deferred_plabels): Put plabels in readonly data section when
579         not generating PIC code.
580         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
581         information.  Add assert.
582         (som_output_comdat_data_section_asm_op): New function.
583         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
584         instead of output_section_asm_op for COMDAT sections.
586 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
588         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
589         Fix whitespace in vincinity of to-be-installed changes.
590         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
591         (insns_match_p): Likewise.
593 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
595         * config.gcc (ms1): Replace with ...
596         (mt): ... this.
597         * config/ms1: Rename to ...
598         * config/mt: ... here.  Rename ms1 files to mt.
599         * config/mt/mt.c: Adjust gt-mt.h #include.
600         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
601         (crti.o, crtn.o): Adjust file names.
603 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
605         * varray.h: Allow compilation with a C++ compiler.
606         (union varray_data_tag): Prefix all field names with "vdt_".
607         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
608         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
609         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
610         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
611         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
612         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
613         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
614         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
615         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
616         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
617         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
618         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
619         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
620         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
621         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
622         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
623         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
624         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
625         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
626         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
627         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
628         VARRAY_TOP_TREE_PTR): Likewise.
629         * varray.c (varray_grow): Likewise.
630         (varray_clear): Likewise.
632 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
634         PR target/25299
635         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
636         alignment to doubleword if the first field is a double array.
637         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
639 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
641         * tree-ssa-structalias.c (process_constraint): Remove code to
642         transform addressofs into scalar.
643         (create_variable_info_for): In whole-program IPA, globals don't
644         point to ANYTHING by default.
646 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
648         * timevar.def (TV_IPA_PTA): New.
649         * tree-pass.h (pass_ipa_pta): New
650         * tree-ssa-structalias.c: Include cgraph.h
651         (in_ipa_mode): New.
652         (predbitmap_obstack): New.
653         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
654         (struct constraint_stats): Add num_edges.
655         (new_var_info): Don't call bitmap_clear.
656         (struct constraint_edge): Update docs.
657         (new_constraint_edge): Remove src param.
658         (struct constraint_graph): Add zero_weight_succs,
659         zero_weight_preds.  Update docs.
660         (constraint_expr_equal): Reformat.
661         (constraint_edge_equal): Update for removal of src.
662         (constraint_edge_less): Ditto.
663         (constraint_edge_vec_find): Ditto.
664         (erase_graph_self_edge): Update for removal of src and and zero
665         weight bitmap.
666         (clear_edges_for_node): Ditto.
667         (add_graph_edge): Ditto.
668         (get_graph_weights): Ditto.
669         (allocate_graph_weights): Ditto.
670         (merge_graph_nodes): Ditto.
671         (int_add_graph_edge): Ditto.
672         (valid_graph_edge): Ditto.
673         (valid_weighted_graph_edge): Ditto.
674         (build_constraint_graph): Ditto.
675         (scc_visit): Ditto.
676         (collapse_nodes): Ditto.
677         (process_unification_queue): Ditto.
678         (topo_visit): Ditto.
679         (solve_graph): Ditto.
680         (do_structure_copy): Ditto.
681         (perform_var_substitution): Ditto.
682         Init and release obstack.
683         (handle_ptr_arith): Try to resolve directly.
684         (find_func_aliases): Don't call update_alias_info here
685         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
686         (do_sd_constraint): Add code for propagating faster.
687         Update.
688         (do_ds_constraint): Ditto.
689         (count_num_arguments): New function.
690         (create_function_info_for): Ditto.
691         (create_variable_info_for): Handle FUNCTION_DECL.
692         (intra_create_variable_infos): Use make_constraint_to_anything.
693         (init_alias_vars): Init obstacks here.
694         (need_to_solve): Handle zero weight graph changes.
695         (compute_points_to_sets): Call update_alias_info here.
696         (delete_points_to_sets): Free zero weight preds/succs here.
697         (gate_ipa_pta): New.
698         (ipa_pta_execute): New
700 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
702         * tree-ssa-structalias.c (var_anyoffset): Removed.
703         (anyoffset_tree): Ditto.
704         (anyoffset_id): Ditto.
705         (do_deref): Take vector of constraints, no return value.
706         Update to work on vector.                
707         (get_constraint_for): Ditto.
708         (get_constraint_for_component_ref): Ditto.
709         (do_structure_copy): Ditto.
710         (handle_ptr_arith): Ditto.
711         (find_func_aliases): Ditto.
712         (set_uids_in_ptset): Remove anyoffset handling.
713         (init_base_vars): Ditto.
715 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
717         PR c++/25010
718         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
719         DECL_EXTERNAL functions have no bodies.  Tidy.
721 2005-12-10  Andreas Schwab  <schwab@suse.de>
723         * except.c (switch_to_exception_section): Only define if
724         TARGET_UNWIND_INFO is not defined.
726 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
728         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
729         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
731 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
733         * output.h (init_section, fini_section): Delete.
734         * varasm.c (init_section, fini_section): Delete.
735         (init_varasm_once): Don't initialize them.
736         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
737         there are no corresponding varasm.c variables.
739 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
741         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
742         of EH_FRAME_SECTION_NAME into...
743         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
744         if it is still null.
745         * except.c (default_exception_section): Delete, moving most
746         of the code to...
747         (switch_to_exception_section): ...this new function.  Set
748         exception_section if it is still null, then switch to it.
749         (output_function_exception_table): Use switch_to_exception_section.
750         * varasm.c (exception_section, eh_frame_section): Update comments.
751         (get_section): Hoist use of SECTION_NAMED.
752         (init_varasm_once): Don't set exception_section and eh_frame_section.
753         * output.h (default_exception_section): Delete.
754         (default_eh_frame_section): Delete.
756 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
758         * config/bfin/bfin.c: Include "cgraph.h".
759         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
760         Return the reg that holds the pointer to the GOT.
761         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
762         doing stack checking.
764 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
766         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
767         recompute_tree_invarant_for_addr_expr.
768         Update uses everywhere.
770 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
772         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
773         (MULTILIB_DIRNAMES): Define.
775 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
777         PR target/25311
778         * config/s390/s390.c (struct s390_address): New field literal_pool.
779         (s390_decompose_address): Compute literal_pool field.  Do not 
780         assume register %r13 is always (and solely) used as pool base.
781         (s390_extra_constraint_str): Use literal_pool field.
783 2005-12-09  Thiemo Seufer  <ths@networkno.de>
785         * config/mips/mips.c (override_options): Don't allow too small
786         integers in FP registers.
788 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
790         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
791         targetm.binds_local_p to check for local function calls.
793 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
795         PR debug/24908
796         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
797         call_used_regs can't be used to save reg in another reg.
799 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
800             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
802         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
803         abort.
804         * except.c (output_ttype): Likewise.
805         * tree-object-size.c (collect_object_sizes_for): Likewise.
806         (check_for_plus_in_loops_1): Likewise.
807         (check_for_plus_in_loops): Likewise.
808         (compute_object_sizes): Use gcc_unreachable instead of abort.
810 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
812         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
813         (loop_end, loop_init, doloop_end): New insns.
814         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
815         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
816         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
817         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
818         * config/ms1/ms1.c: #include basic-block.h
819         (struct machine_function): Add has_loops field.
820         (ms1_add_loop): New.
821         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
822         (struct loop_info, struct loop_work): New.
823         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
824         (ms1_reorg_loops): New loop optimization.
825         (ms1_machine_reorg): Call it.
826         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
828 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
830         PR tree-optimization/25248
831         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
832         evolution_of_loop from the failed attempt.  Remove handling
833         of MULT_EXPR.
835 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
837         * tree.h (DECL_EXTERNAL): Clarify documentation.
839 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
840             Jakub Jelinek  <jakub@redhat.com>
842         PR target/25268
843         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
844         argument.  Don't drop outer ANDs.
845         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
846         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
847         prototype.
848         * config/s390/predicates.md (setmem_operand): Remove.
849         (shift_count_operand): Rename to...
850         (shift_count_or_setmem_operand): ... this.  Adjust
851         s390_decompose_shift_count caller.
852         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
853         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
854         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
855         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
856         rotl<mode>3_and, setmem_long_and): New insns.
857         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
858         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
859         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
860         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
861         of shift_count_operand.
862         (setmem_long): Use shift_count_or_setmem_operand instead of
863         setmem_operand.
865 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
866             Andreas Tobler  <a.tobler@schweiz.ch>
868         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
869         tr expression.
871 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
873         * expr.c (force_operand): Use convert_to_mode for conversions.
875 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
877         * reload.h (reg_equiv_invariant): Declare.
878         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
879         register also when reg_equiv_invariant[R] is set.
881 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
882             Andreas Tobler  <a.tobler@schweiz.ch>
884         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
886 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
888         * tree-ssa-pre.c (bitmap_set_and): New function.
889         (bitmap_set_and_compl): New function.
890         (bitmap_set_empty_p): New function.
891         (insert_extra_phis): New function.
892         (compute_avail): Use insert_extra_phis.
894 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
896         * config/s390/s390.c (s390_expand_atomic): New function.
897         Adjust comment of helper functions.
898         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
899         * config/s390/s390.md ("ATOMIC"): New code macro.
900         ("atomic"): Corresponding new code attribute.
901         ("sync_lock_test_and_set[hq]i", 
902         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
904 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
906         * config/s390/s390.c (s390_expand_mask_and_shift, 
907         struct alignment_context, init_alignment_context, 
908         s390_expand_cs_hqi): New.
909         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
910         * config/s390/s390.md ("sync_compare_and_swaphi",
911         "sync_compare_and_swapqi"): New pattern.
913 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
915         Fix PR tree-optimization/25291
916         * tree-ssa-operands.c (add_call_clobber_ops): Remove
917         redundant and crashing check.
919 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
921         PR target/25212
922         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
923         tests further when !strict && reload_in_progress.
924         (print_operand): Check that both operands of indexed address are regs.
925         (print_operand_address): Likewise.
926         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
927         (INT_REG_OK_FOR_BASE_P): Correct.
929 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
931         Preparation for PR rtl-optimization/20070 / part1
932         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
933         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
934         outgoing_edges_match.
935         (outgoing_edges_match): Use condjump_equiv_p.
936         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
937         into..
938         * struct-equiv.c: New file.
939         (death_notes_match_p) New function, broken out of insns_match_p.
940         * Makefile.in (OBJS-common): Add struct-equiv.o.
941         (struct-equiv.o): New target.
943 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
945         * coretypes.h: Revert previous change.
946         * config/darwin.h: Revert previous reversion.
947         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
949 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
951         * coretypes.h (section): Provide dummy definition for target files.
952         * config/darwin.h: Revert previous change.
954 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
956         * doc/sourcebuild.texi (all.build, install-normal): Remove.
957         * configure.ac: Remove all.build and install-normal from target_list
958         * configure: Regenerate.
959         * Makefile.in (install): Don't depend on install-normal.
961 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
963         * Makefile.in: Document the use of stamps.
965 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
967         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
968         * Makefile.in: Add code to compute some dependencies on s-gtype
969         automatically.  Remove the declaration of those dependencies.
971 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
973         * gcc/reload.c (push_secondary_reload): Fix typo:
974         s/insn_constraint/scratch_constraint/.
976 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
978         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
980 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
982         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
983         (alpha_elf_select_rtx_section): Return the selected section rather
984         than emitting assembly code.
985         (alpha_write_linkage): Emit a ".link" directive directly and then
986         set in_section to NULL.
987         (vms_asm_out_constructor): Use switch_to_section.
988         (vms_asm_out_destructor): Likewise.
989         (unicosmk_output_common): Set in_section to NULL instead of calling
990         the dummy common_section function.
991         (unicosmk_text_section): Delete in favor of...
992         (unicosmk_output_text_section_asm_op): ...this new function.
993         (unicosmk_data_section): Delete in favor of...
994         (unicosmk_output_data_section_asm_op): ...this new function.
995         (unicosmk_init_sections): New function.
996         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
997         (unicosmk_output_ssib): Set in_section to NULL instead of calling
998         the dummy ssib_section function.
999         (unicosmk_section_buf): Delete.
1000         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1001         (unicosmk_data_section): Delete.
1002         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1003         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1004         (SECTION_FUNCTION_TEMPLATE): Delete.
1005         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1006         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1007         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1008         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1009         (TARGET_ASM_INIT_SECTIONS): Define.
1010         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1011         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1012         (link_section, literals_section): Delete.
1013         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1014         set in_section to NULL.
1016         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1017         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1018         (COMMON_SECTION): Delete.
1019         (TARGET_ASM_INIT_SECTIONS): Define.
1020         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1021         the dummy common_section function.
1022         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1023         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1024         between readonly_data_section and text_section to check whether
1025         read-only data is being put in the text section.
1026         (arm_output_function_epilogue): Use switch_to_section.
1027         (arm_elf_asm_constructor): Likewise.
1028         (thumb_call_via_reg): Replace call to in_text_section with
1029         a comparison between in_section and text_section.
1030         (arm_file_end): Use switch_to_section.
1031         (aof_text_section): Delete in favor of...
1032         (aof_output_text_section_asm_op): ...this new function.
1033         (aof_data_section): Delete in favor of...
1034         (aof_output_data_section_asm_op): ...this new function.
1035         (aof_asm_init_sections): New function.
1036         (zero_init_section): Moved from config/arm/aof.h.
1037         (aof_dump_imports, aof_file_start): Use switch_to_section.
1038         * config/arm/arm.h (thumb_call_via_label): Update comment.
1039         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1040         (common_section): Delete.
1041         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1042         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1043         global switch_to_section function instead of the old port-local one.
1044         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1045         (SWITCH_TO_SECTION_FUNCTION): Delete.
1046         (drectve_section): Redefine as a macro.
1047         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1048         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1049         switch_to_section.
1051         * config/avr/avr.c (progmem_section): New variable.
1052         (avr_output_progmem_section_asm_op): New function.
1053         (avr_asm_init_sections): New function.
1054         (avr_output_addr_vec_elt): Use switch_to_section.
1055         * config/avr/avr.h (progmem_section): Declare.
1056         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1057         (READONLY_DATA_SECTION): Delete.
1058         (TARGET_ASM_INIT_SECTIONS): Define.
1059         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1060         * config/avr/avr-protos.h (progmem_section): Delete.
1062         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1064         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1065         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1067         * config/darwin-sections.def: New file.
1068         * config/darwin.c: Define all sections in darwin-sections.def.
1069         (output_objc_section_asm_op, darwin_init_sections): New functions.
1070         (machopic_output_indirection): Use switch_to_section.
1071         (machopic_select_section): Return the selected section rather than
1072         emitting assembly code.  Replace the static function table with
1073         inline conditional expressions.  Update the tests of last_text_section
1074         and move them into the FUNCTION_DECL block.
1075         (machopic_select_rtx_section): Return the selected section rather than
1076         emitting assembly code.
1077         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1078         (darwin_file_end): Use switch_to_section.
1079         * config/darwin.h: Use darwin-sections.def to declare sections.
1080         (INIT_SECTION_ASM_OP): Remove empty definition.
1081         (HAS_INIT_SECTION): Define this instead.
1082         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1083         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1084         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1085         (TARGET_ASM_INIT_SECTIONS): Define.
1086         * config/darwin-protos.h (darwin_init_sections): Declare.
1087         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1088         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1089         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1090         (constructor_section, destructor_section, mod_init_section): Delete.
1091         (mod_term_section): Delete.
1092         (darwin_exception_section, darwin_eh_frame_section): Delete.
1093         (machopic_select_section): Return a section.
1094         (machopic_select_rtx_section): Likewise.
1095         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1096         (const_section, const_coal_section, const_data_section): Delete.
1097         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1098         (literal4_section, literal8_section, constructor_section): Delete.
1099         (mod_init_section, mod_term_section, destructor_section): Delete.
1100         (objc_class_section, objc_meta_class_section, objc_category_section)
1101         (objc_class_vars_section, objc_instance_vars_section): Delete.
1102         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1103         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1104         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1105         (objc_symbols_section, objc_module_info_section): Delete.
1106         (objc_image_info_section, objc_protocol_section): Delete.
1107         (objc_string_object_section, objc_constant_string_object_section)
1108         (objc_class_names_section, objc_meth_var_names_section): Delete.
1109         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1110         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1111         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1112         (darwin_exception_section, darwin_eh_frame_section): Delete.
1113         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1115         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1116         (frv_asm_out_destructor): Likewise.
1117         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1118         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1119         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1120         get_named_section.
1121         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1122         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1123         (data_section): Delete.
1125         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1126         (DRECTVE_SECTION_FUNCTION): Delete.
1127         (drectve_section): Redefine as a macro that sets in_section after
1128         emitting the directive.
1129         (SWITCH_TO_SECTION_FUNCTION): Delete.
1130         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1131         in_text_section with comparison between in_section and text_section.
1132         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1133         rather than emitting assembly code.  Use get_named_section.
1134         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1135         get_named_section.
1136         (machopic_output_stub): Use switch_to_section.
1137         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1138         (nwld_named_section_asm_out_destructor): Use get_section and
1139         switch_to_section.
1141         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1142         rather than emitting assembly code.
1143         (ia64_rwreloc_select_section): Likewise.
1144         (ia64_rwreloc_select_rtx_section): Likewise.
1145         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1146         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1147         switch_to_section.
1148         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1149         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1151         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1152         section rather than emitting assembly code.
1153         (iq2000_select_section): Likewise.
1154         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1155         (sbss_section): Delete.
1157         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1158         and get_named_section.
1159         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1161         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1162         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1163         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1164         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1165         in_section to NULL.
1166         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1167         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1168         global switch_to_section function instead of the old port-local one.
1169         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1170         (SWITCH_SECTION_FUNCTION): Delete.
1171         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1172         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1173         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1174         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1175         in_section to NULL.
1176         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1177         global switch_to_section function instead of the old port-local one.
1178         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1180         * config/mips/mips.c (mips_file_start): Update comment.
1181         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1182         (mips_output_aligned_decl_common): Use switch_to_section.
1183         (mips_select_rtx_section): Return the section rather than emitting
1184         assembly code.  Use get_named_section.
1185         (mips_function_rodata_section: Likewise get_section.
1186         (build_mips16_function_stub): Use switch_to_section.
1187         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1188         (SDATA_SECTION_ASM_OP): Delete.
1189         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1190         (EXTRA_SECTION_FUNCTIONS): Delete.
1192         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1193         (mmix_asm_output_aligned_local): Use switch_to_section.
1195         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1196         (som_one_only_readonly_data_section): New variables.
1197         (pa_output_function_epilogue): Set in_section to NULL instead of
1198         calling forget_section.
1199         (output_deferred_plabels): Use select_section.
1200         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1201         of calling forget_section.
1202         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1203         (pa_asm_output_aligned_local): Use select_section.
1204         (som_text_section_asm_op): Delete in favor of...
1205         (som_output_text_section_asm_op): ...this new function.
1206         (pa_som_asm_init_sections): New function.
1207         (pa_select_section): Return the section rather than emitting
1208         assembly code.
1209         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1210         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1211         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1212         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1213         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1214         (som_readonly_data_section, som_one_only_readonly_data_section)
1215         (som_one_only_data_section, forget_section): Delete.
1216         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1217         (TARGET_ASM_INIT_SECTIONS): Define.
1218         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1220         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1221         (private_data_section, read_only_private_data_section): New variables.
1222         (sdata2_section, toc_section): New variables.
1223         (rs6000_file_start): Use switch_to_section.
1224         (rs6000_assemble_integer): Use comparisons against in_section
1225         instead of calling in_toc_section and in_text_section.  Use
1226         unlikely_text_section_p.
1227         (rs6000_elf_output_toc_section_asm_op): New function, derived
1228         from the old rs6000/sysv4.h toc_section function.
1229         (rs6000_elf_asm_init_sections): New function.
1230         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1231         the section rather than emitting assembly code.
1232         (machopic_output_stub): Use switch_to_section.
1233         (toc_section): Delete dummy function.
1234         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1235         switch_to_section and get_section.
1236         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1237         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1238         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1239         the old rs6000/xcoff.h toc_section function.
1240         (rs6000_xcoff_asm_init_sections): New function.
1241         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1242         the section rather than emitting assembly code.
1243         (rs6000_xcoff_file_start): Use switch_to_section.
1244         (rs6000_xcoff_file_end): Likewise.
1245         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1246         (sdata2_section, sbss_section, private_data_section): Delete.
1247         (read_only_data_section, read_only_private_data_section): Delete.
1248         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1249         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1250         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1251         (FINI_SECTION_FUNCTION): Delete.
1252         (TARGET_ASM_INIT_SECTIONS): Define.
1253         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1254         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1255         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1256         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1257         (READONLY_DATA_SECTION): Delete.
1258         (TARGET_ASM_INIT_SECTIONS): Define.
1259         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1260         to NULL rather than no_section.
1261         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1263         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1265         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1266         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1267         from call to current_function_section.
1269         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1270         (bss100_section): New variable.
1271         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1272         (xstormy16_asm_init_sections): New function.
1273         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1274         switch_to_section and get_section.
1275         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1276         from calls to current_function_section.
1277         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1278         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1279         (TARGET_ASM_INIT_SECTIONS): Define.
1280         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1282         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1283         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1284         (FINI_SECTION_FUNCTION): Delete.
1286         * config/v850/v850.c: Include gt-v850.h.
1287         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1288         (zbss_section): New variables.
1289         (v850_output_aligned_bss): Use switch_to_section.
1290         (v850_asm_init_sections): New function.
1291         (v850_select_section): Return the section rather than emitting
1292         assembly code.
1293         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1294         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1295         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1296         (TARGET_ASM_INIT_SECTIONS): Define.
1297         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1298         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1299         (zbss_section): Delete.
1301         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1303         * config/vx-common.h (vxworks_exception_section): Delete.
1304         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1306         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1307         section rather than emitting assembly code.
1308         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1309         switch_to_section.
1311         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1312         * coretypes.h (section): New union and typedef.
1313         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1314         from call to current_function_section.
1315         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1316         (dbxout_symbol_location): Use switch_to_section.
1317         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1318         most of the code into...
1319         (default_eh_frame_section): ...here.  Return a section.
1320         (collect2_eh_frame_section): Delete, moving most of the code into..
1321         (switch_to_eh_frame_section): ...this new function.
1322         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1323         (debug_macinfo_section, debug_line_section, debug_loc_section)
1324         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1325         variables.
1326         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1327         eh_frame_section.  Use switch_to_section and get_section.
1328         (dwarf2out_begin_prologue): Use switch_to_section.
1329         (AT_string_form): Check the flags in debug_str_section instead of
1330         DEBUG_STR_SECTION_FLAGS.
1331         (output_comp_unit): Use switch_to_section, get_section, and
1332         debug_info_section.
1333         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1334         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1335         from call to current_function_section.
1336         (dwarf2out_var_location): Use unlikely_text_section_p.
1337         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1338         from call to current_function_section.
1339         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1340         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1341         debug_macinfo_section.
1342         (dwarf2out_init): Initialize the new section variables.  Use them
1343         instead of calls to named_section_flags.  Use switch_to_section.
1344         (output_indirect_string): Use switch_to_section and debug_str_section.
1345         (dwarf2out_finish): Use switch_to_section and the new section
1346         variables.
1347         * except.c (default_exception_section): Return the section instead
1348         of emitting assembly code.
1349         (output_function_exception_table): Use the global exception_section
1350         variable instead of the target hook.  Use switch_to_section.  Remove
1351         argument from call to current_function_section.
1352         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1353         (shorten_branches): Use pointer comparisons to detect whether the
1354         text section is the same as readonly_data_section.
1355         (profile_function): Use switch_to_section.  Remove argument from
1356         call to current_function_section.
1357         (final_scan_insn): Likewise.  Update use of last_text_section.
1358         * gengtype.c (open_base_files): Add an include of output.h.
1359         * output.h (text_section, data_section, readonly_data_section)
1360         (ctors_section, dtors_section, bss_section, init_section)
1361         (fini_section, sdata_section): Turn into section pointers.
1362         (in_text_section, in_unlikely_text_section, exports_section)
1363         (drectve_section, named_section, mergeable_string_section)
1364         (last_text_section_name): Delete.
1365         (default_exception_section, default_eh_frame_section): Return sections.
1366         (SECTION_DECLARED, SECTION_NAMED): New macros.
1367         (SECTION_MACH_DEP): Bump value.
1368         (section_common, named_section, unnamed_section): New structures.
1369         (unnamed_section_callback): New typedef.
1370         (section): New union.
1371         (sbss_section, exception_section, eh_frame_section): New variables.
1372         (in_section, last_text_section): Turn into section pointers.
1373         (get_unnamed_section, get_section, get_named_section): New functions.
1374         (mergeable_constant_section, function_section): Return a section.
1375         (unlikely_text_section): Likewise.
1376         (current_function_section): Likewise.  Remove the decl argument.
1377         (unlikely_text_section_p, switch_to_section): New functions.
1378         (output_section_asm_op): New function.
1379         (set_named_section_flags, named_section_flags, named_section_real)
1380         (named_section_first_declaration): Delete.
1381         (default_select_section, default_elf_select_section): Return a section.
1382         (default_elf_select_section_1, default_function_rodata_section)
1383         (default_no_function_rodata_section, default_select_rtx_section)
1384         (default_elf_select_rtx_section): Likewise.
1385         * rtl.h (in_data_section): Delete.
1386         * sdbout.c (sdbout_one_type): Use switch_to_section.
1387         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1388         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1389         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1390         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1391         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1392         (TARGET_ASM_OUT): Update after above changes.
1393         * target.h (init_sections): New hook.
1394         (exception_section, eh_frame_section): Delete.
1395         (select_section, select_rtx_section, function_rodata_section): Return
1396         a section rather than emitting assembly code.
1397         * varasm.c (text_section, data_section, readonly_data_section)
1398         (ctors_section, dtors_section, bss_section, init_section)
1399         (fini_section): Turn into section pointers.
1400         (sdata_section, sbss_section, exception_section): New variables.
1401         (eh_frame_section): New variable.
1402         (in_section): Make global and turn into a section pointer.
1403         (last_text_section): Turn into a section pointer.
1404         (unnamed_sections): New variable.
1405         (in_named_name, last_text_section_name): Delete.
1406         (EXTRA_SECTION_FUNCTIONS): Delete.
1407         (in_named_entry): Delete.
1408         (section_htab): New variable, replacing...
1409         (in_named_htab): ...this deleted variable.
1410         (section_entry_eq, section_entry_hash): New functions, based on...
1411         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1412         (get_unnamed_section, get_section): New functions.
1413         (unlikely_text_section): Return a section instead of emitting
1414         assembly code.
1415         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1416         (get_named_section_flags, named_section_first_declaration): Delete.
1417         (unlikely_text_section_p): New function.
1418         (named_section_real, named_section): Delete.
1419         (get_named_section): New function.
1420         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1421         (function_section): Return a section rather than emitting
1422         assembly code.
1423         (current_function_section): Likewise.  Remove argument.  Use
1424         last_text_section if nonnull, otherwise use function_section.
1425         (default_function_rodata_section): Return a section rather than
1426         emitting assembly code.  Use get_section.
1427         (default_no_function_rodata_section): Return a section rather than
1428         emitting assembly code.
1429         (variable_section): Use switch_to_section and get_named_section.
1430         (mergeable_string_section): Return a section rather than emitting
1431         assembly code.  Use get_section.  Make static.  Don't take special
1432         countermeasures for empty strings.
1433         (mergeable_constant_section): Return a section rather than emitting
1434         assembly code.  Use get_section.
1435         (default_named_section_asm_out_destructor): Use switch_to_section
1436         and get_section.
1437         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1438         (default_named_section_asm_out_constructor): Use switch_to_section
1439         and get_section.
1440         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1441         (assemble_start_function): Likewise.  Set last_text_section to
1442         NULL rather than no_section.  Change the type of save_section.
1443         (assemble_zeros, assemble_variable): Use the section flags to detect
1444         whether or not a section is text.
1445         (assemble_static_space): Use switch_to_section.
1446         (assemble_trampoline_template): Likewise.
1447         (output_constant_def_contents): Use switch_to_section and
1448         get_named_section.
1449         (output_constant_pool_1): Use switch_to_section.  Use the section
1450         flags to see whether sections contain mergeable data.
1451         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1452         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1453         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1454         whether a section has already been declared.
1455         (default_select_section, default_elf_select_section): Return a
1456         section rather than emitting assembly code.
1457         (default_elf_select_section_1): Likewise.  Use bss_section for
1458         SECCAT_BSS if nonnull.  Use get_named_section.
1459         (default_select_rtx_section): Return a section rather than
1460         emitting assembly code.
1461         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1462         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1463         (output_section_asm_op, switch_to_section): New functions.
1464         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1465         get_named_section.
1467         * doc/tm.texi: Expand the introduction to the sections documentation.
1468         (TRAMPOLINE_SECTION): Document new interface.
1469         (SDATA_SECTION_ASM_OP): Document new macro.
1470         (READONLY_DATA_SECTION): Delete.
1471         (SDATA_SECTION_ASM_OP): Document new macro.
1472         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1473         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1474         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1475         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1476         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1478 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1480         * gcc.c (init_gcc_specs): Match braces inside conditionally
1481         compiled strings.
1483 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1485         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1487 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1489         PR C++/24138
1490         * tree.c (integer_all_onesp): Always return true if all bits on.
1492         * testsuite/g++.dg/init/array0.C: New.
1494 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1496         * doc/md.texi: Adapt to implementation.
1498 2005-12-06  Andreas Schwab  <schwab@suse.de>
1500         * opts.c (decode_options): Fix typo in message.
1502 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1504         PR other/13873
1505         * longlong.h: Merge PPC tests from upstream.
1507 2005-12-06  Richard Guenther  <rguenther@suse.de>
1509         * fold-const.c (fold_convert): Do not build and fold
1510         CONVERT_EXPR, but always use NOP_EXPR.
1512 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1514         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1515         __builtin_ia32_paddq and __builtin_ia32_subq.
1516         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1517         __builtin_ia32_pshufw.
1518         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1520 2005-12-05  James E Wilson  <wilson@specifix.com>
1522         PR target/24934
1523         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1524         is set.
1526 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1527         
1528         * print-tree.c (print_node): Ditto.
1529         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1530         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1531         before accessing DECL_ARTIFICIAL. 
1532         Handle new tag tree codes.
1533         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1534         changes.
1535         (unmodifiable_var_p): Ditto.
1536         * tree-flow.h (mem_tag_kind): Remove.
1537         (struct var_ann_d): Remove mem_tag_kind member.
1538         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1539         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1540         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1541         (group_aliases): Ditto.
1542         (setup_pointers_and_addressables): Ditto.
1543         (is_escape_site): Ditto.                                          
1544         (may_alias_p): Ditto.
1545         (create_tag_raw): New function.
1546         (create_memory_tag): Use it.
1547         (dump_alias_info): Update for tags.
1548         (may_be_aliased): Ditto.
1549         (add_type_alias): Ditto.
1550         (new_type_alias): Ditto.
1551         (create_sft): Ditto.
1552         (create_structure_vars): Ditto.
1553         * tree-ssa-ccp.c (get_default_value): Ditto.
1554         * tree-ssa-operands.c (get_expr_operands): Ditto.
1555         (add_stmt_operand): Ditto.
1556         (add_call_clobber_ops): Remove duplicated condition.
1557         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1558         tags.
1559         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1560         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1561         * tree.c (init_ttree): Update structures for new tree codes.
1562         (tree_code_size): Update sizes for new tree codes.
1563         (make_node_stat): Don't try to set common things on minimal
1564         structures.
1565         (tree_node_structure): Update for tags.
1566         (is_global_var): Ditto.
1567         * tree.def: Add new tree codes.
1568         * tree.h (MTAG_P): New macro.
1569         (TREE_MEMORY_TAG_CHECK): Ditto.
1570         (SSA_VAR_P): Update for tags.
1571         (struct tree_memory_tag): New structure.
1572         (MTAG_GLOBAL): New macro.
1573         (union tree_node): Add memory tag member.
1574         * treestruct.def (TS_MEMORY_TAG): New.
1575         
1576 2005-12-05  Dale Johannesen  <dalej@apple.com>
1578         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1579         what was approved (PR 24323).
1581 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1583         * doc/c-tree.texi (Function Bodies): Remove description of
1584         RETURN_INIT.
1586 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1588         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1589         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1590         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1591         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1592         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1593         __divxc3): Document.
1595 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1597         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1598         previous behaviour.
1599         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1600         hook_bool_void_false.
1601         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1602         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1604         * config/darwin.c (machopic_select_section): It's not defined
1605         as weak if it's only marked as weak_import.
1606         
1607         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1608         Prototype.
1610         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1611         A hidden weak object does bind locally.  Strong linkonce data
1612         counts like any other strong symbol for binding.
1613         (weak_finish_1): Don't specially handle weakrefs, they no longer
1614         arrive here.
1615         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1616         * c-common.c (handle_alias_attribute): Allow static aliases
1617         of variables.
1618         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1619         * gthr-dce.h: Make weakrefs static.
1620         * gthr-tpf.h: Likewise.
1621         * gthr-solaris.h: Likewise.
1622         * gthr-posix.h: Likewise.
1623         * gthr-posix95.h: Likewise.
1624         * config/darwin.c (darwin_encode_section_info): static weakref
1625         variables are not necessarily defined in this translation unit.
1626         * doc/extend.texi (Function Attributes): Mention that an alias
1627         attribute creates a definition for the thing it's attached to.
1628         Change the documentation for weakref to say that the thing
1629         it's attached to must be static.
1631         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1632         we don't go into an infinite loop.
1634 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1636         * config/rs6000/predicates.md (logical_const_operand): Split
1637         out of logical_operand.
1638         (logical_operand): Use it.
1639         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1640         logical_const_operand.
1642 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1644         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1645         and IX86_BUILTIN_CMPNESS.
1646         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1647         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1648         * config/i386/i386.md (movti_internal): Correct type attribute.
1649         Simplify mode attribute.
1650         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1651         Correct type attribute.
1652         (absxf2): Correct operator.
1653         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1654         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1655         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1656         mode attribute.
1657         (sse2_vmsqrtv2df2): Correct mode attribute.
1659 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1661         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1662         16 bits. Provide insn pattern for this case.
1664 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1666         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1667         result.
1668         (__popcountDI2): Likewise.
1670 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1672         PR target/25166
1673         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1674         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1675         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1676         functions.
1678 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1680         * c-typeck.c (null_pointer_constant_p): New function.
1681         (build_conditional_expr, build_c_cast, convert_for_assignment,
1682         build_binary_op): Use it.
1684 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1686         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1687         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1688         CONVERT_EXPR.
1689         (check_function_arguments_recurse): Allow both NOP_EXPR and
1690         CONVERT_EXPR but check conversions preserve precision.
1691         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1692         but check conversions preserve precision.
1693         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1694         default case.
1696 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1698         PR c/7776
1699         * common.opt (Wstring-literal-comparison): New command line option.
1700         * c-opts.c (c_common_handle_option): Set it with -Wall.
1701         * c-typeck.c (parser_build_binary_op): Issue warning if either
1702         operand of a comparison operator is a string literal, except for
1703         testing equality or inequality against NULL.
1705         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1707 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1709         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1710         of building a NOP_EXPR.
1711         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1712         NOP_EXPR.
1713         * c-convert.c (convert): Use fold_convert instead of building
1714         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1715         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1716         #if 0 code.
1717         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1718         NOP_EXPR the same as CONVERT_EXPR.
1719         * c-typeck.c (build_function_call): Use fold_convert instead of
1720         building a NOP_EXPR directly.
1721         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1723 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1725         PR rtl-optimization/25197
1726         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1727         have a reg.
1729 2005-12-02  Stuart Hastings  <stuart@apple.com>
1731         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1732         warning.
1734 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1736         * c-typeck.c (default_function_array_conversion,
1737         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1738         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1739         orig_op2.  Don't check them for NOP_EXPR.
1740         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1741         around integer zero.
1743 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1745         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1746         toc_save_offset, toc_size, lr_size.
1747         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1748         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1749         Adjust for removal of unused rs6000_stack_t fields.
1750         (debug_stack_info): Adjust.
1751         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1752         first, and don't bother checking for set/inc of lr on sibcalls.
1753         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1755 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1757         PR target/25199
1758         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1759         5 if operand 1 is not aligned.  Undo previous constraint change.
1760         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1762 2005-12-02  Richard Guenther  <rguenther@suse.de>
1764         * tree.h (build): Remove prototype.
1765         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1766         * tree.c (build): Remove.
1767         (build0_stat): Update comment.
1769 2005-12-02  Richard Guenther  <rguenther@suse.de>
1771         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1772         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1773         Likewise.
1774         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1775         maybe_fold_offset_to_component_ref): Likewise.
1776         * tree-ssa-dom.c (thread_across_edge,
1777         simplify_rhs_and_lookup_avail_expr,
1778         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1779         Likewise.
1780         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1781         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1782         lower_try_finally_switch): Likewise.
1783         * tree-if-conv.c (add_to_dst_predicate_list,
1784         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1785         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1786         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1787         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1788         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1789         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1790         gimplify_init_ctor_eval, gimplify_init_constructor,
1791         gimplify_variable_sized_compare, gimplify_boolean_expr,
1792         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1793         gimplify_expr, gimplify_body, gimplify_function_tree,
1794         force_gimple_operand): Likewise.
1795         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1796         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1797         mx_register_decls): Likewise.
1798         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1799         get_frame_field, finalize_nesting_tree_1): Likewise.
1800         * tree-inline.c (setup_one_parameter): Likewise.
1801         * tree-vect-transform.c (vectorizable_condition): Likewise.
1802         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1803         Likewise.
1804         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1805         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1806         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1807         * tree-chrec.h (build_polynomial_chrec): Likewise.
1809 2005-12-02  Richard Guenther  <rguenther@suse.de>
1811         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1812         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1813         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1814         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1815         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1816         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1817         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1818         Likewise.
1819         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1820         sh_adjust_unroll_max): Likewise.
1821         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1822         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1823         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1824         Likewise.
1825         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1826         Likewise.
1827         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1828         Likewise.
1830 2005-12-02  Richard Guenther  <rguenther@suse.de>
1832         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1833         simplify_cond_using_ranges): Use buildN instead of build.
1834         * tree-tailcall.c (adjust_accumulator_values,
1835         adjust_return_value): Likewise.
1836         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1837         generate_element_copy, generate_element_zero,
1838         generate_one_element_init): Likewise.
1839         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1840         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1841         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1842         perfect_nestify): Likewise.
1844 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1846         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1848 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1850         * ggc.h (GGC_RESIZEVEC): New.
1852 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1854         * gcc.c (execute): Improve readability.
1856 2005-12-02  Richard Guenther  <rguenther@suse.de>
1858         * tree-cfg.c (mark_used_vars): New function.
1859         (dump_function_to_file): Dump only used VAR_DECLs.
1861 2005-12-02  Richard Guenther  <rguenther@suse.de>
1863         * convert.c (convert_to_integer): Fix compare for nonpositive
1864         constant to use tree_int_cst_sgn <= 0.
1866 2005-12-02  Richard Guenther  <rguenther@suse.de>
1868         * convert.c (convert_to_integer): Use fold_convert instead
1869         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1870         instead of comparing against 0.  Use build_int_cst instead
1871         of converting integer_zero_node.
1873 2005-12-02  Richard Guenther  <rguenther@suse.de>
1875         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1876         and RROTATE_EXPR.
1878 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1880         PR target/21017
1881         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1882         rotates.
1884 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1886         PR middle-end/25176
1887         * function.c (expand_function_end): Emit blockage for unwinder
1888         after return label.
1890 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1892         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1893         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1894         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1895         integer constant comparisons.
1897 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1898             Janis Johnson  <janis187@us.ibm.com>
1899             David Edelsohn  <dje@watson.ibm.com>
1900             Ben Elliston  <bje@au.ibm.com>
1902         * dfp.h, dfp.c: New files.
1903         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1904         (DECNUM_H): Likewise.
1905         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1906         (INCLUDES): Append $(DECNUMINC).
1907         (OBJS-common): Add dfp.o.
1908         (dfp.o): New rule.
1909         * real.h (EXP_BITS): Pinch one bit to ..
1910         (struct real_value): Add decimal field.
1911         (real_format): Change table size, update documentation.
1912         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1913         (real_from_string3): Declare.
1914         (decimal_single_format): Declare.
1915         (decimal_double_format): Declare.
1916         (decimal_quad_format): Declare.
1917         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1918         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1919         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1920         * real.c: Include dfp.h.
1921         (normalize): Early return for decimal floats.
1922         (do_add): Zero decimal field.
1923         (do_compare): Call do_decimal_compare for decimal floats.
1924         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1925         (real_arithmetic): Call decimal_real_arithmetic for decimal
1926         floating point operands.
1927         (real_identical): If a and b are of differing radix, return false.
1928         (real_to_integer): Call decimal_real_to_integer if the value is a
1929         decimal float.
1930         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1931         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1932         (real_to_hexadecimal): Place "N/A" in the return string for
1933         decimal float.
1934         (real_from_string3): New variant, given a mode.
1935         (real_maxval): Use decimal_real_maxval for decimal floats.
1936         (round_for_format): Use decimal_round_for_format for decimals.
1937         (real_convert): Use decimal_real_convert where appropriate.
1938         (significand_size): Handle base 10.
1939         (encode_decimal_single, decode_decimal_single,
1940         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1941         decode_decimal_quad): New functions.
1942         (decimal_single_format): New.
1943         (decimal_double_format): New.
1944         (decimal_quad_format): New.
1945         * machmode.def: Add SD, DD and TD decimal floating point modes.
1946         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1947         Include MODE_DECIMAL_FLOAT.
1948         (DECIMAL_FLOAT_MODE_P): New.
1949         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1950         * genmodes.c (struct mode_data): Add counter field.
1951         (struct mode_data): Update comment for format.
1952         (blank_mode): Initialise counter field.
1953         (new_mode): Increment counter field for each mode defined.
1954         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1955         using a format.
1956         (make_complex_modes): Handle modes containing `D'.
1957         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1958         (make_decimal_float_mode): New.
1959         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1960         (cmp_modes): Compare counter field if other characteristics
1961         similar.
1962         (emit_real_format_for_mode): Support formats for decimal floats.
1963         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1964         Document MODE_DECIMAL_FLOAT.
1966 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1968         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1969         Delete dead code.
1971 2005-12-01  Richard Henderson  <rth@redhat.com>
1973         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1975 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1977         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1979         * config/pa/pa.c (pa_init_builtins): If we detect
1980         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1981         putc_unlocked.
1983 2005-12-01  Richard Guenther  <rguenther@suse.de>
1985         * fold-const.c (fold_binary): Use fold_build2, not
1986         fold (build (...)).
1988 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1990         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1992         * vec.h (VEC_block_remove): New.
1994 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1996         PR c/13384
1997         * c-common.c (lvalue_error): Fix wording.
1999 2005-12-01  Richard Guenther  <rguenther@suse.de>
2001         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2002         thinko in last patch.
2004 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2006         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2007         than -flat_namespace.
2009 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2011         * mklibgcc.in: Parameterise the script to build soft float
2012         functions by iterating over each type, rather than cloning the
2013         code for each type.
2015 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2017         PR middle-end/25158
2018         * builtins.c (fold_builtin_fputs): Defer check for missing
2019         replacement functions.
2021 2005-11-30  Kean Johnston  <jkj@sco.com>
2023         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2024         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2026 2005-11-30  Richard Guenther  <rguenther@suse.de>
2028         PR tree-optimization/22501
2029         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2030         function split out from ...
2031         (forward_propagate_addr_expr): ... here.  Use it to propagate
2032         ADDR_EXPRs to all uses.
2034 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2036         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2037         * builtins.c (expand_builtin_mathfn): Use them.
2038         (expand_builtin_mathfn_2): Likewise.
2039         (expand_builtin_mathfn_3): Likewise.
2040         (expand_builtin_int_roundingfn): Likewise.
2041         (expand_builtin): Likewise.
2042         (integer_valued_real_p): Likewise.
2043         (fold_builtin_int_roundingfn): Likewise.
2044         (fold_builtin_bitop): Likewise.
2045         (fold_builtin_logarithm): Likewise.
2046         (fold_builtin_1): Likewise.
2047         * convert.c (convert_to_integer): Likewise.
2048         * fold-const.c (negate_mathfn_p): Likewise.
2049         (tree_expr_nonnegative_p): Likewise.
2051 2005-11-30  Dale Johannesen  <dalej@apple.com>
2052             Andrew Pinski  <pinskia@physics.uc.edu>
2054         * combine.c (find_split_point):  Sign extend bitmask
2055         when changing bitfield assignment to IOR of AND.
2057 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2059         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2060         clobber to scratch reg.
2061         (*decrement_and_branch_until_zero_no_clobber): Remove.
2062         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2063         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2064         * config/ms1/ms1.opt (mmul): Remove.
2065         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2066         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2068 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2069             Bernd Schmidt  <bernd.schmidt@analog.com>
2071         * pa/predicates.md (symbolic_operand): Add comment.
2072         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2073         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2074         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2075         (pa_secondary_reload_class): Delete.
2076         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2077         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2078         copy of symbolic operand.
2079         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2081 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2083         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2084         jump.
2086 2005-11-30  Jeff Law  <law@redhat.com>
2088         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2089         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2091 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2093         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2094         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2095         (ia64_expand_move): Adjust caller.
2097         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2098         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2099         negate VAL.
2101 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2103         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2104         Always produce an output if we can remove NEGs or canonicalize
2105         (minus (minus ...)) expressions.  Provide a fast path for the
2106         two-operand case.
2107         (simplify_gen_binary): Do not call simplify_plus_minus.
2108         (simplify_binary_operation_1): Reassociate at the end of the
2109         function.
2111 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2113         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2114         moves and unpack to speed up.
2116 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2118         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2119         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2120         (gen_v9_scc): Update callers.
2121         * config/sparc/sparc.md: Likewise.
2122         * config/sparc/sparc-protos.h: Update extern declaration.
2124         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2126 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2128         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2129         the if.
2131 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2133         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2134         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2135         (negate_expr): Here.
2137 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2139         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2140         Fix typo in comment.
2142 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2144         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2145         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2147 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2149         PR middle-end/20109
2150         PR middle-end/25120
2151         * builtins.c (init_target_chars): New.
2152         (expand_builtin_printf, expand_builtin_fprintf,
2153         expand_builtin_sprintf, fold_builtin_sprintf,
2154         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2155         fold_builtin_snprintf_chk, fold_builtin_printf,
2156         fold_builtin_fprintf): Check for matching format strings using
2157         the target charset.
2159 2005-11-29  Paul Brook  <paul@codesourcery.com>
2161         * config.gcc: Do not use fixproto on m68k-elf.
2163 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2165         * expmed.c (div_cost): Replace with...
2166         (sdiv_cost, udiv_cost): New.
2167         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2168         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2169         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2170         (expand_divmod): Replace use of div_cost with either sdiv_cost
2171         or udiv_cost depending upon the signedness of the operation.
2173 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2175         PR libfortran/24991
2176         * config/darwin.c (machopic_indirection_name,
2177         machopic_output_indirection): Follow transparent alias chain.
2179 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2181         * varasm.c (ultimate_transparent_alias_target): Add comment.
2183 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2185         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2186         SET_SRC instead of XEXP where appropriate.
2188 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2190         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2191         __builtin_expect.
2193 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2195         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2196         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2197         bit at a time.
2199 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2201         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2202         secondary_input_reload_class, made static.  Adapt to new
2203         infrastructure.
2204         (secondary_output_reload_class): Delete.
2205         (TARGET_SECONDARY_RELOAD): New macro.
2206         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2207         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2209 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2211         PR c++/21166
2212         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2213         when its natural alignment is > BITS_PER_UNIT.
2214         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2215         * c-common.c (handle_packed_attribute): Ignore packing on a field
2216         whose type is naturally char aligned.
2218 2005-11-28  Richard Guenther  <rguenther@suse.de>
2220         * c-common.c (strict_aliasing_warning): Handle all
2221         component-ref like accesses.
2223 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2224             Uros Bizjak  <uros@kss-loka.si>
2226         PR middle-end/20219
2227         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2228         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2229         when flag_unsafe_math_optimizations is set and
2230         we don't care about NaNs or Infinities.
2232         Move x/expN(y) and x/pow(y,z) transformation into common
2233         flag_unsafe_math_optimizations section.
2235 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2237         * gcc.c (main): Change type of argv to "char **".
2239 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2241         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2242         small data sections.
2243         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2244         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2245         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2246         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2247         output locals to sbss if !rs6000_elf_in_small_data_p.
2248         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2250 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2252         PR target/24997
2253         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2254         generated by reload.
2255         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2256         indexed_or_indirect_address.
2257         (indexed_or_indirect_address): Don't test for base reg.  Call
2258         address_operand last.  Make it a special predicate.
2260 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2262         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2264 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2266         PR middle-end/24575
2267         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2268         is undefined.
2269         (negate_expr): Likewise.
2271 2005-11-27  Andreas Schwab  <schwab@suse.de>
2273         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2274         redundant parens.
2276 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2278         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2279         has EH predecessor edges.
2281 2005-11-26  Eric Christopher  <echristo@apple.com>
2283         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2284         register stalls by zero extending to the full register.
2286 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2288         * config/floatunsisf.c, config/floatunsidf.c,
2289         config/floatunsixf.c, config/floatunsitf.c: New files.
2290         * config/ia64/t-hpux: Add floatunsitf.c.
2291         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2292         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2294 2005-11-26  Richard Henderson  <rth@redhat.com>
2296         * c-lex.c (pragma_lex): Rename from c_lex.
2297         * c-pch.c: Update for pragma_lex rename.
2298         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2299         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2300         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2301         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2302         * doc/tm.texi: Likewise.
2304 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2306         PR middle-end/23669
2307         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2308         when overflow is undefined.
2310 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2312         * doc/md.texi (Insn Canonicalizations): Refer to the
2313         function commutative_operand_precedence for further rules.
2315 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2317         PR middle-end/21309
2318         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2319         is less than zero.  Limit mult_cost to a reasonable upper bound for
2320         the synthetic multiplication sequence.
2322 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2324         PR middle-end/25022
2325         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2326         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2327         Lookup the explicit replacement functions for any unlocked
2328         stdio builtin transformations.
2330 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2332         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2333         earlyclobber.
2334         * targhooks.c (default_secondary_reload): Don't require operand 2
2335         for an input reload to be earlyclobber.
2337 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2339         * fold-const.c (negate_mathfn_p): Fix comment and add support
2340         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2341         BUILT_IN_ATANH.
2343 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2345         PR middle-end/24998
2346         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2347         _Q_ulltoq for unsigned conversions from SImode and DImode to
2348         TFmode.
2350 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2352         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2353         (__floatundidf, __floatundisf): Likewise.
2355 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2357         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2358         (rs6000_override_options): Remove initialization of
2359         rs6000_sr_alias_set.
2360         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2361         (rs6000_emit_stack_tie): Same.
2362         (emit_frame_save): Same.
2363         (gen_frame_mem_offset): Same.
2364         (rs6000_emit_prologue): Same.
2365         (rs6000_emit_epilogue): Same.
2367 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2369         PR middle-end/24989
2370         * fold-const.c (fold_build): Convert bool_var != 1 and
2371         bool_var == 0 to !bool_var.
2373 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2375         PR middle-end/24990
2376         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2377         for C being INTEGER_CST.  Likewise for !=.
2379 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2381         PR middle-end/24998
2382         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2383         unsigned conversions from SImode to TFmode.
2385 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2387         * expr.c (expand_expr_real_1): Fix error in last change.
2389 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2391         * caller-save.c: (this_insn_sets): Move into:
2392         (save_call_clobbered_regs).
2393         (mark_set_regs): Get this_insn_sets from data.
2395         (save_call_clobbered_regs): Take sets of the return value by
2396         sibcalls into account.
2398 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2399         PR target/21623:
2401         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2402         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2403         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2404         (memory_move_secondary_cost, init_reg_autoinc): Remove
2405         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2406         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2407         secondary_reload_class call.
2408         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2409         callers.
2410         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2411         (push_secondary_reload): Use secondary_reload target hook.
2412         (secondary_reload_class, scratch_reload_class): New functions.
2413         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2414         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2415         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2416         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2417         (secondary_reload_class, scratch_reload_class): Declare.
2418         * reload1.c: Include target.h.
2419         (reload_adjust_reg_for_temp): New function.
2420         (reload_adjust_reg_for_icode): Likewise.
2421         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2422         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2423         call.
2424         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2425         for inheritance.  Support case when both secondary & tertiary reloads
2426         are for intermediate registers.
2427         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2428         with secondary_reload_class call.  Support case when both secondary
2429         & tertiary reloads are for intermediate registers.
2430         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2431         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2432         * target.h (secondary_reload_info): New struct / typedef.
2433         (struct gcc_target): New member secondary_reload.
2434         * targhooks.c Include reload.h, optabs.h and recog.h.
2435         (default_secondary_reload): New function.
2436         * targhooks.h (default_secondary_reload): Declare.
2437         * doc/tm.texi: Document secondary_reload target hook.  Update
2438         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2439         * doc/md.texi: Likewise.
2441         * sh-protos.h (sh_secondary_reload): Declare.
2442         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2443         (sh_secondary_reload): New function.
2444         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2445         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2446         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2447         (HAVE_SECONDARY_RELOADS): Define.
2448         * sh.md (reload_indf): Rename to:
2449         (reload_indf__frn).
2450         (reload_outdf): Rename to:
2451         (reload_outdf__RnFRm).
2452         (reload_insf): Rename to:
2453         (reload_insf__frn).
2454         (reload_insi): Rename to:
2455         (reload_insi__i_fpul).
2457 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2459         * configure.ac: Require at least texinfo 4.4.
2460         * configure: Regenerate.
2462         * doc/install.texi (Tools/packages necessary for building GCC):
2463         Update required version of texinfo to at least 4.4.
2464         (Installing GCC: Building): Update required version of texinfo
2465         to at least 4.4.
2466         (Installing GCC: Final installation): Update required version
2467         of texi2dvi to at least 4.4.
2468         (Host/target specific installation notes for GCC): Update required
2469         version of texinfo to at least 4.4.
2471 2005-11-24  Richard Guenther  <rguenther@suse.de>
2472         Dirk Mueller <dmueller@suse.de>
2474         PR c++/14024
2475         * c-common.h (strict_aliasing_warning): Declare.
2476         * c-common.c (strict_aliasing_warning): New function,
2477         split out from ...
2478         * c-typeck.c (build_c_cast): ... here.
2480 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2482         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2483         to order operands.
2484         (swap_commutative_operands_with_target): New.
2486 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2488         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2489         also when doing PRE, rather than only for global CPROP.
2491 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2493         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2494         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2495         formatting.
2496         (expand_twoval_unop): Likewise.
2497         (widen_clz): Likewise.
2498         (expand_parity): Likewise.
2499         (expand_unop): Likewise.
2500         (emit_cmp_and_jmp_insn_1): Likewise.
2501         (prepare_float_lib_cmp): Likewise.
2503 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2505         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2506         Remove unused `class' variable.
2508 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2510         PR c++/21667
2511         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2512         C/C++ diagnostic function warn_array_subscript_with_type_char.
2513         * c-common.h (warn_array_subscript_with_type_char): Declare.
2514         * c-common.c (warn_array_subscript_with_type_char): Define.
2516 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2518         PR c/21668
2519         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2520         compiling at the intersection of C and C++.
2522 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2524         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2525         List @file in the option summary.  Include the libiberty
2526         documentation for @file.
2527         * gcc.c (main): Call expandargv.
2528         * Makefile.in (gcc-vers.texi): Define srcdir.
2530 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2532         * passes.c (init_optimization_passes): Document
2533         sequencing of passes.
2535 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2537         * config/m68k/predicates.md (pcrel_address, extend_operator,
2538         post_inc_operand, pre_dec_operand): Remove redundant
2539         conditionals.
2540         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2541         instead of abort.
2542         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2544 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2546         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2548 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2550         Preparatory work for PR target/21623:
2551         * alpha.c (secondary_reload_class): Rename to:
2552         (alpha_secondary_reload_class).
2553         * alpha.h, alpha-protos.h: Likewise.
2554         * mn10300.c (secondary_reload_class): Rename to:
2555         (mn10300_secondary_reload_class).
2556         * mn10300.h, mn10300-protos.h: Likewise.
2557         * pa.c (secondary_reload_class): Rename to:
2558         (pa_secondary_reload_class).
2559         * pa.h, pa-protos.h: Likewise.
2560         * rs6000.c (secondary_reload_class): Rename to:
2561         rs6000_secondary_reload_class.
2562         * rs6000.h, rs6000-protos.h: Likewise.
2564 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2566         PR middle-end/22561
2567         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2569 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2571         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2572         a mode_class.
2573         (prepare_cmp_insn): Likewise.
2575 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2577         PR target/23435
2578         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2579         if both operands[0] and operands[1] are memory.
2581 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2583         PR middle-end/23606
2584         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2585         COMPARISON_CLASS_P and an integral types create create a new
2586         expression with the new type and fold that.
2588 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2590         PR target/24988
2591         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2592         to SUBTARGET_OS_CPP_BUILTINS.
2594 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2596         * arm.c (emit_set_insn): New function.
2597         (arm_split_constant): Call it.
2598         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2599         (arm_legitimize_address): Likewise.  Use plus_constant.
2600         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2601         (thumb_expand_prologue): Likewise.
2602         (arm_gen_load_multiple): Use VOIDmode in SET.
2603         (arm_gen_store_multiple): Likewise.
2604         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2605         (emit_multi_reg_push): Likewise.
2606         (emit_sfm): Use plus_constant.
2608 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2610         PR target/24954
2611         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2612         typo last change.
2614 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2616         PR middle-end/24950
2617         * expmed.c (store_bit_field): Don't attempt to insv a field
2618         larger than the reg.
2620 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2622         PR target/24954
2623         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2624         explicit sign extension, not a (char) cast.
2626 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2628         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2629         GET_MODE_CLASS (x) == MODE_FLOAT.
2630         * config/i386/i386.c: Likewise.
2631         * config/rs6000/xcoff.h: Likewise.
2632         * config/rs6000/linux64.h: Likewise.
2633         * config/rs6000/rs6000.c: Likewise.
2634         * config/rs6000/rs6000.h: Likewise.
2635         * config/rs6000/predicates.md: Likewise.
2636         * config/rs6000/sysv4.h: Likewise.
2638 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2640         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2641         flag_pic is set.
2643         * config/alpha/freebsd.h, config/alpha/linux.h,
2644         config/arm/linux-elf.h, config/bfin/bfin.h,
2645         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2646         config/i386/beos-elf.h, config/i386/gnu.h,
2647         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2648         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2649         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2650         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2651         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2652         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2653         config/sparc/linux.h, config/sparc/linux64.h,
2654         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2656         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2657         are both defined when either flag -fpic or -fPIC are used.
2659 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2661         * config/fp-bit.c (clzusi): New function.
2662         (si_to_float, usi_to_float): Use it to compute proper shift.
2663         (usi_to_float): Preserve guard bits when shifting right.
2664         * libgcc-std.ver (GCC_4.2.0): New version.
2665         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2666         __floatundisf): New functions.
2667         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2668         __floatundisf): Declare.
2669         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2670         _floatundixf, and _floatunditf.
2671         * optabs.c (expand_float): If target does not define a pattern for
2672         signed or unsigned conversion, use an unsigned libcall instead of
2673         a signed one.
2674         (init_optabs): Initialize ufloat_optab.
2676 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2678         * config/rs6000/rs6000.opt (mmulhw): New option.
2679         * doc/invoke.texi (-mmulhw): Document.
2680         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2681         for 405 and 440.
2682         * config/rs6000/rs6000.md: Add half-word multiply and
2683         multiply-accumulate instructions for 405 and 440.
2685 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2687         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2688         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2689         default now includes a linker group which makes the RTEMS one nest.
2691 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2693         * cse.c (fold_rtx): Typo fix.
2694         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2696 2005-11-21  Richard Henderson  <rth@redhat.com>
2698         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2699         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2701         * c-tree.h (lookup_name): Move declaration ...
2702         * c-common.h (lookup_name): ... here.
2703         * config/darwin-c.c: Include c-common.h.
2704         * config/t-darwin: Update dependencies.
2706 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2708         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2709         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2710         * genopinit.c (gen_insn): Likewise.
2711         * reload.c (find_equiv_reg): Likewise.
2712         * loop.c (load_mems): Likewise.
2713         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2714         * cse.c (find_comparison_args, fold_rtx): Likewise.
2715         * dwarf2out.c (add_const_value_attribute): Likewise.
2716         * expr.c (convert_move): Likewise.
2717         * recog.c (general_operand, register_operand): Likewise.
2718         * reg-stack.c (replace_reg): Likewise.
2719         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2720         * c-common.c (handle_vector_size_attribute): Likewise.
2721         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2722         (simplify_binary_operation_1): Likewise.
2723         (simplify_const_binary_operation): Likewise.
2724         (simplify_relational_operation): Likewise.
2725         (simplify_const_relational_operation): Likewise.
2726         (simplify_immed_subreg): Likewise.
2727         * emit-rtl.c (gen_lowpart_common): Likewise.
2728         * expmed.c (expand_mult): Likewise.
2729         * stor-layout.c (layout_type): Likewise.
2731 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2733         PR target/24951
2734         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2735         cst2 only for SPE vectors.
2737 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2739         PR target/24953
2740         * config/rs6000/predicates.md (vrsave_operation): Check
2741         UNSPEC_VOLATILE value.
2743 2005-11-21  Jan Hubicka  <jh@suse.cz>
2745         PR tree-optimization/24653
2746         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2748 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2750         * config/i386/predicates.md (ax_reg_operand): New predicate.
2751         (memory_displacement_only_operand): New predicate.
2752         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2753         operand is AX register and the other operand is memory operand
2754         with displacement only.
2756 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2758         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2759         if we don't care about NaNs or Infinities.
2761 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2763         PR rtl-optimization/24883
2764         * combine.c (combinable_i3pat): When checking whether the
2765         destination of i3 is used in i3, consider paradoxical subregs.
2767 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2769         PR middle-end/20583
2770         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2772 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2774         * combine.c (try_combine): Do not run subst on i1src and i2src in
2775         the case of generating a PARALLEL for a comparison.
2777 2005-11-20  Richard Henderson  <rth@redhat.com>
2779         PR 24931
2780         * tree-sra.c (struct sra_elt): Add all_no_warning.
2781         (struct sra_walk_fns) <use>: Add use_all argument.
2782         (sra_walk_expr): Pass it.
2783         (sra_walk_modify_expr): Likewise.
2784         (scalarize_ldst): Likewise.
2785         (scan_use): Update for new argument.
2786         (mark_no_warning): New.
2787         (scalarize_use): Use it.
2789 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2791         * expr.c (expand_expr_real): Use usmul_optab for widening
2792         signed * unsigned multiplies.
2793         * genopinit.c (optabs): Add usmul_widen_optab.
2794         * optabs.c (init_optabs): Likewise.
2795         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2796         (usmul_widen_optab): Define.
2797         * config/bfin/bfin.md (usmulhisi3): New pattern.
2799         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2801 2005-11-20  Graham Stott <btinternet.com>
2803         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2805 2005-11-20  Andreas Schwab  <schwab@suse.de>
2807         PR target/24757
2808         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2809         insn.
2811 2005-11-19  Richard Henderson  <rth@redhat.com>
2813         PR tree-opt/24665
2814         * tree-gimple.c (is_gimple_id): Export.
2815         * tree-gimple.h (is_gimple_id): Declare.
2816         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2817         (get_default_value): Use it.
2818         (maybe_fold_stmt_indirect): Likewise.
2820 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2822         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2823         than VR1 or vice-versa.
2825 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2827         PR middle-end/24912
2828         PR middle-end/24750
2829         * reload.c (find_reloads_address_1): Mention dependency on
2830         gen_reload.
2831         * reload1.c (gen_reload): For IN with an unary operation, try
2832         moving inner expression to OUT if trivial SET is not valid.
2833         Confirm that the result is valid.  Move common code block into...
2834         (emit_insn_if_valid_for_reload): New function.
2836 2005-11-19  Richard Guenther  <rguenther@suse.de>
2838         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2839         ARRAY_REFs of constant strings.
2841 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2843         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2844         fatal format string.
2846 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2848         * combine.c (make_compound_operation): Swap operands of
2849         commutative operation if necessary before returning.
2851 2005-11-19  Richard Guenther  <rguenther@suse.de>
2853         PR middle-end/23294
2854         * fold-const.c (fold_plusminus_mult_expr): New function.
2855         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2856         cases, remove now unnecessary code.
2858 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2860         * gensupport.c (old_preds): Rename to std_preds, add special field.
2861         (struct old_pred_table): Rename to struct std_pred_table, add special
2862         field.
2863         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2864         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2865         (init_predicate_table): Adjust, and set along the way whether a
2866         predicate is special.
2868 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2870         * BASE-VER: Change to 4.2.0.
2872 2005-11-18  James E Wilson  <wilson@specifix.com>
2874         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2875         returning it.
2877 2005-11-18  Mike Stump  <mrs@apple.com>
2879         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2880         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2881         * c-decl.c (lookup_name_two) Remove.
2882         * c-tree.h (lookup_name_two): Remove.
2883         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2884         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2885         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2886         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2888 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2890         PR target/24914
2891         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2892         when not generating code to use that co-processor.
2894 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2896         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2897         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2898         these functions are now in tree-phinodes.c.
2900 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2902         * config/bfin/bfin.md (trap): New pattern.
2904 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2906         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2907         on types.
2909         * expr.c (expand_expr_real): Don't call record_block_change unless
2910         ib_boundaries_block is non-null
2912         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2914         * fold-const.c (build_range_check): Use proper type for subtraction
2915         when merging lower bound.
2917 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2919         PR rtl-optimization/24497
2920         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2921         the copied insn.
2923 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2925         * tree-scalar-evolution.c (expression_expensive_p): New function.
2926         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2928 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2930         * config/bfin/crtlibid.s: New file.
2932 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2934         PR target/24348
2935         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2936         when not using sjlj exceptions.
2937         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2938         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2939         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2940         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2941         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2942         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2943         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2944         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2945         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2946         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2947         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2948         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2949         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2950         defines.
2951         * config/pa/hpux-unwind.h: New file.
2953 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2955         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2956         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2957         * varasm.c (do_assemble_alias): Adjust call.
2958         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2959         is defined.
2960         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2962 2005-11-17  James E Wilson  <wilson@specifix.com>
2964         * tree.def (FUNCTION_DECL): Correct typo in comment.
2966 2005-11-17  Richard Henderson  <rth@redhat.com>
2968         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2969         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2970         and DW_CFA_def_cfa_sf.
2971         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2972         (dbx_reg_number): Don't assert particular registers here.
2973         (based_loc_descr): ... do it here instead.  Fold in ...
2974         (eliminate_reg_to_offset): ... this function.
2975         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2976         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2977         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2978         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2979         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2980         (instantiate_virtual_regs): Likewise.
2981         * var-tracking.c (adjust_stack_reference): Likewise.
2982         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2984 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2986         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2987         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2988         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2989         crtlibid.o.
2990         ($(T)crtlibid.o): New rule.
2992 2005-11-16  Richard Guenther  <rguenther@suse.de>
2994         PR middle-end/24851
2995         * fold-const.c (extract_array_ref): Return byte offset
2996         in all cases.
2997         (fold_binary): Fold &x[a] CMP &x[b] to
2998         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2999         behavior.
3001 2005-11-16  Richard Henderson  <rth@redhat.com>
3003         PR middle-end/23497
3004         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3005         parts of an SSA_NAME.
3007 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3009         PR target/24861
3010         * arm.md (split for movsf with immediate): Restrict split to insns
3011         that set a general register.
3013 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3015         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3016         uw_update_context.
3017         * unwind-dw2.c (uw_advance_context): Likewise.
3018         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3019         _Unwind_SjLj_Unregister.
3020         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3022 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3024         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3026 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3028         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3029         langhook to get a DImode integer type.
3031 2005-11-16  Richard Henderson  <rth@redhat.com>
3032             J"orn Rennecke <joern.rennecke@st.com>
3033             Ulrich Weigand  <uweigand@de.ibm.com>
3035         PR rtl-opt/24160
3036         PR target/24621
3037         * reload1.c (reg_equiv_invariant): New.
3038         (reload): Allocate, initialize, and free it.
3039         (calculate_needs_all_insns): Check it when skipping equivalence
3040         setting insns.
3041         (alter_reg): Likewise.
3042         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3043         may_use_invariant argument; only use reg_equiv_invariant when true.
3044         (eliminate_regs): New.
3045         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3046         a context for which may_use_invariant may be true.
3048 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3050         * fold-const.c (const_binop): Don't constant fold the operation
3051         if the result has overflowed and flag_trapping_math.
3052         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3054 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3056         * config/arm/unwind-arm.c (abort): Add prototype here.
3057         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3058         (struct phase1_vrs): Add prev_sp.
3059         (unwind_phase2_forced): Save the original core registers instead of
3060         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3061         and set action flags accordingly.  Always set _US_END_OF_STACK when
3062         get_eit_entry fails.  Unwind before calling the stop function.
3063         (_Unwind_GetCFA): New function.
3064         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3065         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3066         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3067         just call unwind_phase2_forced.
3068         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3069         * config/arm/unwind-arm.h (abort): Remove prototype.
3070         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3071         prototypes.
3072         (_Unwind_GetCFA): New prototype.
3073         * config/arm/pr-support.c (abort): Add prototype here.
3074         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3075         forced unwinding.
3076         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3077         not schedule the prologue with non-call exceptions and EABI.
3079 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3081         * config/arm/unwind-arm.h: Reorder interface function declarations.
3082         (_URC_END_OF_STACK): New enumeration value.
3083         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3084         (struct _Unwind_Control_Block): Document reserved field use.
3085         (_Unwind_Stop_Fn): New typedef.
3086         (_Unwind_ForcedUnwind): Declare.
3087         (_Unwind_Resume_or_Rethrow): Declare.
3088         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3089         argument.  Adjust.
3090         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3091         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3092         (UCB_FORCED_STOP_ARG): New.
3093         (search_EIT_table): Update boundary condition checks.
3094         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3095         (unwind_phase2): Replace for with do..while.
3096         (unwind_phase2_forced): New.
3097         (__gnu_Unwind_RaiseException): Replace for with do..while.
3098         (__gnu_Unwind_ForcedUnwind): New.
3099         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3100         Use appropriate phase2 unwinder.
3101         (__gnu_Unwind_Resume_or_Rethrow): New.
3102         (__gnu_unwind_pr_common): Cope with forced unwinding.
3104 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3106         PR target/24772
3107         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3109         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3110         roundsf2): Remove "s" from mnemonic.
3112 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3114         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3115         __PIC__ is defined.
3116         * config/bfin/crtn.s: Change epilogues to match.
3117         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3118         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3119         __PIC__ and __pic__.
3121 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3123         PR 24357
3124         * doc/invoke.texi: Distinguish between free and fixed form instead of
3125         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3126         languages.
3127         * gcc.c (default_compilers): Remove double entries, add entries for
3128         suffixes '.F90' and '.F95'.
3130 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3132         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3133         in the stack probing loop.
3135 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3137         * configure.ac: Use .machine power5 not power5x.
3138         * configure: Regenerate.
3140 2005-11-15  Mike Stump  <mrs@apple.com>
3142         * c-decl.c (lookup_name_two): Add.
3143         * c-tree.h (lookup_name_two): Likewise.
3144         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3145         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3147 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3149         PR rtl-optimization/23392
3150         * regrename.c (enum scan_actions) Add mark_access.
3151         (scan_actions_name): Ditto.
3152         (scan_rtx_reg): Handle mark_access.
3153         (scan_rtx_address): Do nothing for mark_access.
3154         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3155         and regs in REG_INC notes before closing chains for dead regs.
3156         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3157         opening chains for new writes.
3159 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3161         * c.opt (ffixed-line-length-none): New.
3163 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3165         * mklibgcc.in: Change contents of eh_dummy.c.
3167 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3169         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3171 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3173         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3174         of making syscalls.
3175         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3177 2005-11-15  Jan Hubicka  <jh@suse.cz>
3179         * invoke.texi (large-unit-insns): Document.
3180         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3181         * params.def (large-unit-insns): New param.
3183 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3185         PR target/24869
3186         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3187         special register for operand 3.  Reindent constraints to align
3188         them vertically.
3190 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3192         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3193         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3194         * configure.ac: Add test for FP rounding instructions.
3195         * configure: Regenerate.
3196         * config.in: Regenerate.
3197         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3198         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3199         features enabled.
3200         * config/rs6000/rs6000.opt (mfprnd): New.
3201         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3202         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3203         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3204         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3205         (TARGET_FPRND): New.
3206         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3207         UNSPEC_FRIZ): New.
3208         (btrunc<mode>2): New.
3209         (ceil<mode>2): New.
3210         (floor<mode>2): New.
3211         (round<mode>2): New.
3213 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3215         * gcc.c (version_compare_spec_function): Use fatal() rather than
3216         abort().
3218         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3219         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3220         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3221         as empty.
3222         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3223         link in crt2.o.
3225         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3226         on -mmacosx-version-min setting.
3228 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3230         PR 24840
3231         * tree-vrp.c (infer_value_range): Return false if STMT is a
3232         block terminator and its basic block has no successors.
3234 2005-11-14  Mike Stump  <mrs@apple.com>
3236         * config/i386/i386.c (override_options): -masm=intel isn't
3237         supported on darwin.
3238         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3240 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3242         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3243         vfork after including auto-host.h.
3245 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3247         PR rtl-optimization/22002
3248         * combine.c (distribute_notes): Detect cases where a reg dies
3249         two or more times in a bb, including on the insn we are combining,
3250         and place the death note on the correct range.
3252 2005-11-14  Dale Johannesen  <dalej@apple.com>
3254         * expmed.c (store_bit_field):  Add offset unconditionally for
3255         memory targets.
3256         (extract_bit_field):  Don't force extzv or extv operand into
3257         a register if field is too big.
3259 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3261         * config/arm/arm.c (pic_labelno): New.
3262         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3263         LABEL_REF.  Pass only the labelno to PIC insns.
3264         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3265         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3266         * arm.md (UNSPEC_PIC_LABEL): New constant.
3267         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3268         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3269         Use the correct label prefix.
3271 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3273         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3274         REQ_EQUIV note.
3276 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3278         * loop-invariant.c: Include tm_p.h.
3279         * Makefile.in: Updated.
3281 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3283         * pa.c (store_reg): Revise generation of frame notes in large frames.
3284         (set_reg_plus_d): Likewise.
3286 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3288         PR tree-optimization/24709
3289         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3290         loop check.
3292 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3294         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3295         and duplicate declaration of pthread_self.
3297 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3298             Ian Lance Taylor  <ian@airs.com>
3300         PR middle-end/24003
3301         * calls.c (expand_call): If TARGET is a MEM and some part of the
3302         argument area has been saved, force TARGET to a register.
3304 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3306         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3307         checking.
3309 2005-11-13  Jason Merrill  <jason@redhat.com>
3311         PR c++/22489
3312         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3313         lazily declared methods.
3314         (force_decl_die): Stop if forcing out the context already make a
3315         DIE for the decl.
3316         (force_type_die): Likewise.
3318 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3320         PR middle-end/24820
3321         * builtins.c (integer_valued_real_p): Add break in
3322         REAL_CST having TREE_OVERFLOW set.
3324 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3326         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3327         addressing modes during calculation of costs.
3329 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3331         * function.c (assign_stack_local_1): Restrict sanity check
3332         on frame size overflow to 32-bit and above platforms.
3334 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3336         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3337         * config/cris/cris.c: Include reload.h.
3338         (cris_initial_elimination_offset): New function.
3339         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3340         Prototype.
3342 2005-11-12  Richard Guenther  <rguenther@suse.de>
3344         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3346 2005-11-12  Jan Hubicka  <jh@suse.cz>
3348         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3349         to compare against 0 when possible.
3351 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3353         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3354         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3355         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3356         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3357         in the new order.
3359 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3361         * recog.c (constrain_operands) <case 'g'>: For a match, require
3362         that a non-register matches general_operand when strict >= 0.
3364 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3366         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3367         previous checkin.
3369 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3371         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3372         (memory_address_same): New.
3373         (dse_optimize_stmt): Call memory_address_same.
3375 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3377         PR middle-end/24750
3378         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3379         ZERO_EXTEND>: New cases.
3381 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3383         * longlong.h (__clz_tab): Always provide.
3385 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3387         PR 24265
3388         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3389         can be assigned to.
3390         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3391         before check_maybe_invariant.
3392         (move_invariant_reg): Use gen_move_insn instead of replacing
3393         SET_DEST with the temporary for the invariant.
3394         (move_loop_invariants): If checking is enabled, do internal
3395         consistency checks after completing the pass.
3397 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3399         PR 24644
3400         * common.opt (Wvolatile-register-var): New.
3401         * varasm.c (make_decl_rtl): Only emit warning when option
3402         specified.  Clarify warning message.
3403         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3405         * doc/md.texi (copysign): Document standard named pattern.
3407 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3409         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3410         bytes when align is 2.
3411         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3412         by the first instruction of the loop.
3414 2005-11-11  Jason Merrill  <jason@redhat.com>
3416         PR c++/24686
3417         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3418         the cleanup list.
3420 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3422         PR rtl-optimization/22509
3423         * local-alloc.c (memref_used_between_p): Check whether a function call
3424         could not reference the memref.
3426 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3428         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3429         algorithm so as to choose the best, not the worst, alternative.
3430         Reset accumulated register class before processing next alternative.
3432 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3434         PR target/24445
3435         * calls.c (expand_call): Copy a return value to a plain register
3436         if needed.
3438 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3440         PR target/24778
3441         * varasm.c (assemble_name): Recompute name only for transparent
3442         aliases.
3444 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3446         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3448 2005-11-04  Jeff Law  <law@redhat.com>
3450         PR middle-end/23181
3451         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3452         perform reassociation if the parent statement will not die as
3453         a result of the optimization.
3455 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3457         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3458         delete_old_heap_vars.
3459         * tree-dfa.c (referenced_var_remove): Remove function.
3460         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3461         (delete_tree_ssa): Remove call to delete_old_heapvars.
3462         Add call to delete_alias_heapvars.
3463         * tree-flow.h (referenced_var_remove): Remove prototype
3464         (init_alias_heapvars): New prototype.
3465         (delete_alias_heapvars): Ditto.
3466         * Makefile.in (tree-ssa-structalias.o): Add
3467         gt-tree-ssa-structalias.o
3468         (GTFILES): Add tree-ssa-structalias.h and
3469         tree-ssa-structalias.c.
3470         (s-gtype): Add gt-tree-ssa-structalias.h.
3471         * tree-ssa-structalias.c (heapvars): Remove.
3472         (oldheapvars): Remove.
3473         (heapvar_for_stmt): New variable.
3474         (heapvar_lookup): New function.
3475         (heapvar_insert): Ditto.
3476         (get_constraint_for): See if we have an old heapvar
3477         to reuse.
3478         (init_alias_heapvars): New function.
3479         (delete_alias_heapvars): Ditto.
3480         Add include of gt-tree-ssa-structalias.h.
3482 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3484         PR middle-end/22127
3485         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3487 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3489         * tree.c (int_fits_type_p): Only look at the base type
3490         if it has the same precision as the original type.
3492 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3494         PR other/4372
3495         * varasm.c (assemble_alias): Use %q+D in the error
3496         message instead of %J and %qD.
3498 2005-11-10  Richard Guenther  <rguenther@suse.de>
3500         * gcse.c (free_ldst_entry): Only free hashtable if
3501         it exists.
3503 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3505         * function.c (assign_stack_local_1): Issue an error message if
3506         the frame size overflows in the signed target arithmetics.
3508 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3510         * tree.c (build_qualified_type): Chain the new type to the original
3511         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3512         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3513         (build_pointer_type_for_mode): Only return unqualified types.
3514         (build_reference_type_for_mode): Likewise.
3516 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3518         * Makefile.in (gnucompare): Do comparison of all files using one of
3519         the chosen methods and only afterwards decide if just warning should
3520         be issued or comparison failure raised.
3522 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3524         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3525         (noce_try_abs): Negate if the comparison is reversed.
3526         Look only one instruction backwards for a REG_EQUAL note.
3528 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3530         PR other/4372
3531         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3532         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3533         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3534         and prefix all uses with __ghtrw.
3536 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3538         PR other/4372
3539         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3540         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3541         * c-common.c (handle_weakref_attribute): New.
3542         (c_common_attribute_table): Add weakref.
3543         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3544         in the assembler.
3545         * configure, config.in: Rebuilt.
3546         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3547         * doc/extend.texi: Document weakref attribute.
3548         * varasm.c (ultimate_transparent_alias_target): New
3549         (assemble_name): Use it.
3550         (weak_finish_1): Split out of...
3551         (weak_finish): ... and deal with weakrefs in...
3552         (weakref_targets): ... new list.
3553         (globalize_decl): Clean up weakref_targets.
3554         (do_assemble_alias): Handle weakrefs.
3555         (finish_aliases_1): Do not reject weakrefs to external symbols.
3556         (assemble_alias): Handle weakrefs.
3558 2005-11-09  Richard Guenther  <rguenther@suse.de>
3560         PR tree-optimization/24716
3561         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3562         t_bool to track results from follow_ssa_edge.
3564 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3566         * final.c (force_source_line): New global variable.
3567         (final_scan_insn): Set it to true instead of clearing last_filename.
3568         (notice_source_line): Return true if force_source_line is true,
3569         unless source info is absent.
3571 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3573         PR c/24644
3574         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3575         a linkage name for a variable if it a register variable.
3576         * c-decl.c (grokdeclarator): Global register variables
3577         should be set as PUBLIC.
3579 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3581         PR 24624
3582         * config/s390/s390.c (struct s390_frame_layout): New fields
3583         first_save_gpr_slot and last_save_gpr_slot.
3584         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3585         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3586         first_save_gpr and last_save_gpr with the _slot variants.
3587         (s390_register_info): Calculate first_save_gpr_slot and
3588         last_save_gpr_slot using regs_ever_live.
3590 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3592         PR 24623
3593         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3594         for a function containing a landing pad.
3596 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3598         PR 24034
3599         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3600         is live afterwards.
3602 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3604         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3605         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3607 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3609         Add ms2 support
3610         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3611         constants.
3612         (call,load,store): New insn types.
3613         (mem_access, branch_access): Adjust reservation conditions.
3614         (define_delay): Adjust condition.
3615         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3616         type.
3617         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3618         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3619         insn type.
3620         (call_internal, call_value_internal, return_internal,
3621         return_interrupt_internal, eh_return_internal, indirect_jump,
3622         tablejump): Set call insn type.
3623         (blockage, ei, di): Use appropriate unspec const.
3624         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3625         (ms1_get_attr_type): Adjust to give load & store types.
3626         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3627         backwards past a barrier.
3628         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3629         branch scheduling.
3630         (struct branch_info, struct label_info): New.
3631         (ms1_labels): New.
3632         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3633         (ms1_machine_reorg): New.
3634         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3635         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3636         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3637         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3638         (TARGET_MS2): New.
3640 2005-11-09  Per Bothner  <per@bothner.com>
3641             Uros Bizjak  <uros@kss-loka.si>
3643         PR c/24101
3644         * toplev.c (process_options): Initialize debug_hooks early
3645         in case lang_hooks.post_options ends up calling a debug_hook.
3647 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3649         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3650         DBX_REGISTER_NUMBER being contiguous.
3652 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3653             Diego Novillo  <dnovillo@redhat.com>
3655         PR 23046
3656         * tree-vrp.c (register_edge_assert_for): Do not register
3657         always-false predicates.
3659 2005-11-08  Devang Patel <dpatel@apple.com>
3661         PR tree-optimization/23115
3662         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3663         relation.
3665 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3667         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3668         -mcpu=440.
3670 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3672         Fix PR tree-optimization/23382
3674         * tree-ssa-alias.c (compute_may_aliases): Call
3675         delete_old_heap_vars.
3676         * tree-dfa.c (referenced_var_remove): New function.
3677         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3678         * tree-flow.h (referenced_var_remove): Add prototype.
3679         (delete_old_heap_vars): Ditto.
3680         * tree-ssa-structalias.c (heapvars): New variable.
3681         (oldheapvars): Ditto.
3682         (get_constraint_for): Put heap vars on heapvars list.
3683         (delete_old_heap_vars): New function.
3685 2005-11-08  Jason Merrill  <jason@redhat.com>
3687         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3689 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3691         PR target/19340
3692         * reg-stack.c (reg_to_stack): Update register liveness also
3693         for flag_sched2_use_traces.
3695 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3697         PR target/23704
3698         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3699         override prior explicit -mno-powerpc-gfxopt.
3701 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3703         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3704         if the bitsize is zero.
3705         * doc/md.texi (Standard Pattern Names): Document it.
3707         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3708         (TARGET_PASS_BY_REFERENCE): Likewise.
3710 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3712         PR rtl-optimization/24683
3713         * config/i386/i386.c (legitimize_pic_address): If constant operand
3714         to PLUS is too large, put it in a register.
3716 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3718         * configure.ac: Enable checking assembler dwarf2 support for bfin
3719         target.
3720         * configure: Regenerate.
3722 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3724         PR target/24230
3726         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3727         gen_easy_vector_constant_add_self): Delete.
3728         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3729         New.
3730         (output_vec_const_move): Use gen_easy_altivec_constant.
3731         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3732         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3733         (easy_vector_constant_add_self): Rewritten.
3734         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3735         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3736         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3737         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3738         Macroize and adjust for the other changes.
3740 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3742         PR c/24599
3744         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3745         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3747 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3749         PR rtl-optimization/23567
3750         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3751         (noce_process_if_block): Don't do any optimizations except
3752         if (cond) x = x; if !set_b and write into orig_x may trap
3753         or fault.  Remove the MEM_READONLY_P check.
3755 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3757         PR 24670
3758         * tree-vrp.c (fix_equivalence_set): New.
3759         (extract_range_from_assert): Call it.
3761 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3763         PR target/22432
3764         * combine.c (apply_distributive_law): Don't distribute across a
3765         vector mode subreg.
3767 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3769         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3770         config/ms1/ms1.h, config/rs6000/predicates.md,
3771         config/s390/s390.c, params.def, postreload-gcse.c,
3772         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3773         tree-vrp.c, tree.c: Fix comment typos.
3774         * doc/invoke.texi: Fix typos.
3776 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3778         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3779         for testing whether the data_dependence_relation contains distance
3780         vectors.  Iterate over all distance vectors of the ddr.
3781         * lambda.h: Define a vec of lambda_vector pointers.
3782         * tree-data-ref.c (dump_data_dependence_relation,
3783         dump_data_dependence_direction): Iterate over all distance and
3784         direction vectors of the ddr.
3785         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3786         DDR_DIST_VECTS.
3787         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3788         of distance/direction vectors instead of a single one.
3789         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3790         lambda_vectors with a vec of lambda_vectors.
3791         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3792         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3793         DDR_NUM_DIST_VECTS): New.
3794         * tree-loop-linear.c (gather_interchange_stats): Test for the
3795         existence of distance vectors only after having checked that there
3796         is a dependence.  Iterate over all distance vectors of the ddr.
3797         (linear_transform_loops): Use dump_data_dependence_relation.
3798         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3799         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3800         distance vectors of the ddr.
3802 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3804         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3805         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3806         IS_INTHANDLER; all callers changed.
3807         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3808         account.
3809         (do_link, do_unlink): New argument ALL; all callers changed.
3810         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3811         If function isn't leaf, save and restore all registers.
3812         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3813         exception handler.
3815 2005-11-05  Jan Hubicka  <jh@suse.cz>
3817         PR rtl-optimization/23490
3818         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3819         max-flow-memory-location): Document.
3820         * flow.c: Include params.h
3821         (MAX_MEM_SET_LIST_LEN): Kill.
3822         (add_to_mem_set_list): Use new param.
3823         * cse.c (cse_basic_block): Replace 1000 by new param.
3824         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3825         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3826         * predict.c (predict_loops): Use new param.
3827         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3829         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3830         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3831         Do not hold memory returned by cgraph_node_name across other call.
3833 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3835         PR target/23424
3836         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3837         Disable.
3839 2005-11-04  Jeff Law  <law@redhat.com>
3841         PR/21883
3842         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3843         * tree-ssa-dom.c: Include params.h.
3844         (thread_across_edge): If there are too many statements in the
3845         target block, then do not thread through it.
3846         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3847         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3849 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3851         PR 24627
3852         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3853         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3855 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3857         PR/18595
3858         * tree-scalar-evolution.c (instantiate_parameters_1,
3859         instantiate_parameters, resolve_mixers): Compute the size of an
3860         expression to be instantiated and give up the instantiation if the
3861         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3863 2005-11-04  Richard Guenther  <rguenther@suse.de>
3865         * tree-flow.h (ref_contains_indirect_ref): Rename to
3866         array_ref_contains_indirect_ref.
3867         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3868         (array_ref_contains_indirect_ref): Make comment match the code
3869         and vice-versa.
3870         (ref_contains_array_ref): Likewise.
3871         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3872         ref_contains_indirect_ref.
3873         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3874         Rename calls to ref_contains_indirect_ref.
3876 2005-11-04 Paul Brook  <paul@codesourcery.com>
3878         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3879         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3880         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3881         * config/arm/arm.md: Use match_operand in peephole input templates
3882         and match_dup in peephole output templates.
3884 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3886         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3887         __aeabi_uidiv.
3889 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3890             Daniel Jacobowitz  <dan@codesourcery.com>
3892         * longlong.h (add_ssaaaa): Clobber condition code register
3893         in ARM version.
3894         (sub_ddmmss): Likewise.
3895         (umul_ppmm): Likewise.
3897 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3898             Paul Brook  <paul@codesourcery.com>
3899             Phil Blundell  <pb@reciva.com>
3901         * configure.ac: Add test for ARM TLS support.
3902         * configure: Regenerated.
3903         * config/arm/arm-protos.h (legitimize_tls_address)
3904         (arm_tls_referenced_p, tls_mentioned_p)
3905         (arm_output_addr_const_extra): New prototypes.
3906         (thumb_legitimize_pic_address): Delete.
3907         * config/arm/arm.c: Include "gt-arm.h".
3908         (enum tls_reloc): New.
3909         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3910         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3911         (arm_call_tls_get_addr, legitimize_tls_address)
3912         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3913         (arm_init_tls_builtins, arm_emit_tls_decoration)
3914         (arm_output_addr_const_extra): New functions.
3915         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3916         (TARGET_HAVE_TLS): Define.
3917         (target_thread_pointer): New.
3918         (arm_override_options): Handle -mtp=.
3919         (legitimize_pic_address): Ignore UNSPECs.
3920         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3921         relative symbols.
3922         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3923         (tls_get_addr_libfunc): New variable.
3924         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3925         (arm_init_builtins): Call arm_init_tls_builtins.
3926         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3927         (arm_encode_section_info): Call default_encode_section_info.
3928         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3929         (enum arm_tp_type): New.
3930         (target_thread_pointer): Add declaration.
3931         (LEGITIMATE_CONSTANT_P): Handle TLS.
3932         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3933         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3934         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3935         * config/arm/arm.md: Add UNSPEC_TLS.
3936         (movsi): Handle TLS.
3937         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3938         non-PIC.
3939         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3940         (load_tp_hard, load_tp_soft): New insns.
3941         * arm.opt: Add -mtp=.
3942         * doc/invoke.texi (ARM Options): Document -mtp.
3944 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3946         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3947         * config/arm/libunwind.S: Include "lib1funcs.asm".
3948         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3949         (LIB2ADDEH): Add libunwind.S.
3950         (LIB2ADDEHDEP): Add lib1funcs.asm.
3951         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3953 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3955         PR fortran/18452
3956         * gcc/c.opt: Add a -lang-fortran option.
3957         * gcc/c-opts.c: Add a lang_fortran flag.
3958         (c_common_init_options): Handling the -lang-fortran option.
3959         (c_common_handle_option): Add a case for Fortran options in
3960         preprocessing. Remove cases for -ffixed-form and
3961         -ffixed-line-length. Add a case for -lang-fortran.
3963 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3965         * config/rs6000/rs6000.c: Include params.h
3966         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3967         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3968         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3969         (UNSPEC_VPKUWSS): Delete.
3970         (altivec_vpkuhss): Delete.
3971         (altivec_vpkuwss): Delete.
3972         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3973         final condition.
3974         (neg_eq0<mode>): Remove final condition.
3975         (neg_eq<mode>): Remove condition and split-condition.
3977 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3979         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3980         Use associated print macros.
3982 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3984         PR c++/17964
3985         * diagnostic.c (diagnostic_set_info_translated): New function.
3986         (diagnostic_set_info): Use it.  Add comment.
3987         * diagnostic.h (diagnostic_set_info_translated): Declare.
3989 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3991         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3992         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3993         reference only if 'public' is true.
3994         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3995         emit the .hidden directive only if the indirect reference is public.
3996         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3997         Pass it to dw2_force_const_mem.
3998         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3999         * dwarf2out.c (output_cfi): Adjust calls to above function.
4000         (output_call_frame_info): Likewise.
4001         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4002         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4004 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4006         PR tree-optimization/24483
4007         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4008         field to elts if possible.
4010 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4012         PR middle-end/23155
4013         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4014         CONSTRUCTOR.
4016 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4018         Fix PR tree-optimization/24351
4020         * tree-ssa-structalias.c (struct variable_info): Add
4021         collapsed_into.
4022         (get_varinfo_fc): New function to follow collapsing.
4023         (new_var_info): Set collapsed_to to NULL.
4024         (dump_constraint): Follow collapsing.
4025         (build_constraint_graph): Handle collapsing.
4026         (do_simple_structure_copy): Return false if something bad
4027         happened.
4028         (collapse_rest_of_var): New function.
4029         (do_structure_copy): Collapse if do_simple_structure_copy returns
4030         false.
4032 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4034         PR middle-end/24589
4035         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4036         expressions to a statement list instead of gimplifying them.
4038 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4040         PR rtl-optimization/23585
4041         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4042         that can't trap plus a constant integer, if the mode has zero size.
4044 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4046         PR target/24620
4047         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4048         as operand 2.
4049         ("*insv<mode>_reg_extimm"): Likewise.
4051 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4053         PR c/24329
4054         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4055         c_common_type_for_mode returns an unnamed type.
4057 2005-11-02  Richard Henderson  <rth@redhat.com>
4059         PR target/9350
4060         PR target/24374
4061         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4062         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4063         * function.c (assign_parms): Use calls.internal_arg_pointer.
4064         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4065         code.
4066         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4067         (TARGET_CALLS): Add it.
4068         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4069         * targhooks.c (default_internal_arg_pointer): New.
4070         * targhooks.h (default_internal_arg_pointer): Declare.
4071         * tree.h (dwarf2out_reg_save_reg): Declare.
4072         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4073         * config/i386/i386.c (dbx_register_map): Add return column.
4074         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4075         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4076         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4077         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4078         (ix86_save_reg): Save force_align_arg_pointer.
4079         (ix86_emit_save_regs): Make regno unsigned.
4080         (ix86_emit_save_regs_using_mov): Likewise.
4081         (ix86_expand_prologue): Handle force_align_arg_pointer.
4082         (ix86_expand_epilogue): Likewise.
4083         * config/i386/i386.h: (dbx_register_map): Update.
4084         (dbx64_register_map, svr4_dbx_register_map): Update.
4085         (struct machine_function): Add force_align_arg_pointer.
4086         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4087         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4088         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4090 2005-11-02  Jan Hubicka  <jh@suse.cz>
4092         PR target/23303
4093         * i386.md: Add peep2 for simplyfing array accesses.
4095 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4097         PR target/24615
4098         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4099         * config/s390/s390.c (s390_decompose_shift_count): New function.
4100         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4101         (print_shift_count_operand): Use s390_decompose_shift_count.
4102         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4103         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4105 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4107         PR target/24600
4108         * loop.c (loop_givs_rescan): Use force_operand to expand
4109         complex GIVs.
4111 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4113         PR 22429
4114         * fold-const.c (build_range_check): Use unsigned when signed
4115         overflow is undefined also.  If etype is subtype, make sure that
4116         the subtraction is in the supertype.
4118 2005-11-02  Richard Henderson  <rth@redhat.com>
4120         PR target/24178
4121         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4122         by MEM_ALIGN.
4124 2005-11-01  Richard Henderson  <rth@redhat.com>
4126         PR 21518
4127         * loop.c (scan_loop): Do not propagate computations to a hard
4128         register destination with SMALL_REGISTER_CLASSES.
4130 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4132         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4133         costs for MULT inside PLUS or MINUS.
4135 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4137         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4138         (TRAMPOLINE_SIZE): Round up to 60.
4139         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4141 2005-10-31  James E. Wilson  <wilson@specifix.com>
4143         PR debug/24444
4144         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4145         ifdef.  Put ifdefs around call in gen_subprogram_die.
4146         (compute_frame_pointer_to_cfa_displacement): Likewise.
4147         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4148         not defined.
4150         PR rtl-optimization/17356
4151         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4152         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4154 2005-10-31  Jan Hubicka  <jh@suse.cz>
4156         PR middle-end/24093
4157         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4159         PR target/20928
4160         * i386.c (legitimize_pic_address): Deal with large immediates.
4162         PR profile/20815
4163         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4164         from symbol names while computing checkup.
4166         PR profile/24487
4167         * predict.c (predict_loops): Do not estimate more than
4168         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4169         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4171 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4173         PR tree-optimization/19097
4174         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4176 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4178         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4180 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4182         PR middle-end/23492
4183         * tree-inline.c (setup_one_parameter): If the init_stmt
4184         is NULL, don't insert the statement.
4186 2005-10-30  Jan Hubicka  <jh@suse.cz>
4188         PR tree-optimization/24172
4189         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4191 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4193         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4194         constants for hosts with long != 32 bits.
4196 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4198         PR middle-end/24093
4199         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4201 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4203         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4204         (TARGET_MS1_16_002): New.
4205         (TARGET_MS1_16_003): New.
4207         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4208         ("*decrement_and_branch_until_zero_no_clobber"): New.
4209         Add corresponding splitter for decrement_and_branch_until_zero
4210         instruction.
4211         Key all decrement_and_branch_until_zero patterns off of
4212         TARGET_MS1_16_003.
4214 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4216         PR middle-end/24362
4217         * tree-complex.c (extract_component): Treat RESULT_DECL
4218         like the rest of the decls.
4220 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4222         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4223         indirect call to _mcount if the function needs a static chain.
4225 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4226             Caroline Tice  <ctice@apple.com>
4228         PR rtl-optimization/24460
4229         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4230         (dwarf2out_switch_text_section): Set it to true instead of
4231         incrementing separate_line_info_table_in_use.
4232         (output_loc_list): Additionally test have_switched_text_sections.
4233         (output_ranges): Likewise.
4234         (dwarf2out_finish): Likewise.
4235         * varasm.c (assemble_start_function): Do not call
4236         insert_section_boundary_note.
4237         (assemble_end_function): If flag_reorder_blocks_and_partition,
4238         switch to the function's section before emitting the .size directive.
4239         * bb-reorder.c (insert_section_boundary_note): Staticify.
4240         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4241         * output.h (insert_section_boundary_note): Delete.
4243 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4245         PR c/23103
4246         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4247         instead of pointer equality when comparing types.
4249 2005-10-24  James E. Wilson  <wilson@specifix.com>
4251         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4252         add_dependence_list_and_free calls.
4254 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4256         * contrib.texi: Add the names of the LLNL folks who donated
4257         Cray pointer support for gfortran.
4259 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4261         PR tree-optimization/24225
4262         * profile.c (branch_prob): Look from end to start through a
4263         basic block when looking for a locus.
4265 2005-10-24  Richard Henderson  <rth@redhat.com>
4267         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4268         parallel.
4269         (hppa_expand_prologue): Likewise.
4271 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4273         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4274         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4275         * pa.h (NO_PROFILE_COUNTERS): Define.
4276         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4277         (funcdef_nos): New vector to hold label numbers of deferred profile
4278         counters.
4279         (output_deferred_profile_counters): New function.
4280         (hppa_profile_hook): Push label number onto funcdef_nos.
4281         (pa_hpux_file_end): Call output_deferred_profile_counters if
4282         NO_DEFERRED_PROFILE_COUNTERS is false.
4284         * pa-protos.h (get_deferred_plabel): New prototype.
4285         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4286         Make global.
4287         (output_call): Adjust calls.
4289 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4291         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4292         peculiarity of GOT/TOC section usage.
4294 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4296         PR objc/24435
4297          * c-common.c (constant_string_class_name): Add documentation.
4299 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4301         PR target/23832
4302         * recog.c (peephole2_optimize): Increment peep2_current_count
4303         only when the slot is empty.
4305 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4307         PR ada/23957
4308         * except.c (output_function_exception_table): Call
4309         assemble_external_libcall if we need a personality function.
4311 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4313         PR rtl-optimization/24460
4314         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4315         set the basic block for barriers.
4317 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4319         * var-tracking.c (vt_initialize): Initialize post.
4321 2005-10-21  Devang Patel  <dpatel@apple.com>
4323         PR/24220
4324         * c-common.c (vector_types_convertible_p): Check vector element type.
4326 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4328         * config/sh/sh.c (prepare_move_operands): Handle the address
4329         constant which is a tls symbolic address plus a constant.
4331 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4333         PR driver/24473
4334         * gcc.c (main): Use the correct counter for erroring out
4335         about mulitple files.
4337 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4339         PR target/24465
4340         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4341         use r2 for 64-bit tls .got access.
4343 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4345         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4346         TRUTH_OR_EXPR.
4348 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4350         PR tree-optimization/24307
4351         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4353 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4355         PR middle-end/24295
4356         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4357         alias targets.
4358         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4359         is ready, stop marking functions, but still mark variables.
4361 2005-10-20  Richard Guenther  <rguenther@suse.de>
4363         PR c++/24439
4364         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4365         void type operands.
4367 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4369         PR rtl-optimization/23585
4370         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4371         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4372         (may_trap_p_1): New predicate extracted from...
4373         (may_trap_p): ... here.  Invoke may_trap_p_1.
4374         (may_trap_or_fault_p): New predicate.
4375         * rtl.h (may_trap_or_fault_p): Declare it.
4376         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4377         instead of may_trap_p.
4378         (steal_delay_list_from_fallthrough): Likewise.
4379         (fill_simple_delay_slots): Likewise.
4380         (fill_slots_from_thread): Likewise.
4381         * function.c (pad_to_arg_alignment): Rework comment about
4382         SPARC_STACK_BOUNDARY_HACK.
4383         * config/sparc/sparc.h: Likewise.
4385 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4387         * config/s390/s390.c (s390_expand_insv): New.
4388         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4389         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4390         ("icm_hi"): Remove mode attribute.
4391         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4392         Adjust all uses.
4393         ("*extracthi", "*extractqi"): Remove.
4394         (extv<mode>", "*extzv<mode>"): New.
4395         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4396         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4398 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4400         * cfgexpand.c (discover_nonconstant_array_refs_r,
4401         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4402         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4403         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4404         discover_nonconstant_array_refs.
4406 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4408         PR c/23228
4409         * c-decl.c (pop_scope): Don't warn about an unused variable
4410         if it is marked with TREE_NO_WARNING.
4411         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4412         somenow mismatch and olddecl is to be replaced.
4414 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4416         PR middle-end/23199
4417         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4418         whether registers live on the edge can be saved/restored.
4420 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4422         * config/sh/sh.c (fixup_mova): Skip notes.
4424 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4426         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4427         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4428         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4429         (s390_initial_elimination_offset): Likewise.
4430         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4431         register on TARGET_ZARCH targets.
4432         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4433         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4434         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4435         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4437 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4439         * config/s390/s390.md: Comment describing output modifiers updated.
4440         * config/s390/s390.c (print_operand): Likewise.
4442 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4444         * config/s390/s390.c (override_options): Added check for -mstack-size
4445         64k limitation.
4446         * doc/invoke.texi: Mention that limit in the documenation.
4448 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4450         PR #19672
4451         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4453 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4455         Fix PR tree-optimization/24231
4457         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4458         (compute_avail): Ditto.
4460 2005-10-18  Richard Henderson  <rth@redhat.com>
4462         PR target/24428
4463         * config/i386/i386.c (legitimate_constant_p): Check
4464         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4465         if LABEL_REF.
4466         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4467         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4468         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4469         directly.
4470         (print_operand_address): Likewise.
4471         * config/i386/predicates.md (x86_64_immediate_operand): Test
4472         SYMBOL_REF_TLS_MODEL properly inside CONST.
4473         (x86_64_zext_immediate_operand): Likewise.
4474         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4475         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4476         * config/i386/i386-protos.h: Remove predicates.md entries.
4478 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4480         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4481         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4483 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4484             Ian Lance Taylor <ian@airs.com>
4486         PR middle-end/23522
4487         * fold-const.c (fold_widened_comparison): Do not allow range based
4488         constant folding when right operand cannot be unwidened.
4490 2005-10-17  Richard Henderson  <rth@redhat.com>
4492         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4493         with a memory clobber.
4495 2005-10-17  James E Wilson  <wilson@specifix.com>
4497         PR rtl-optimization/17356
4498         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4499         checking for EDGE_EH.
4501 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4503         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4504         the slot on an even boundary for any type with 16-byte alignment.
4506 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4508         PR target/23424
4509         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4510         after register allocation.
4512 2005-10-17  DJ Delorie  <dj@redhat.com>
4514         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4515         as frame related.
4517 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4519         PR c++/22551
4520         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4521         overflow flags.
4523 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4525         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4526         to 2 if it's already non-zero.
4527         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4528         is set and warn about it if flag_schedule_insns is 1.
4530 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4532         * config/crx/crx.md: Compare-and-branch instructions need to
4533         invalidate CC.
4535 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4537         PR target/24315
4538         * config/i386/i386.md (*pushdi2_rex64 splitter)
4539         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4540         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4541         flow2 pass only when (optimize > 0 && flag_peephole2).
4543 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4545         PR driver/22544
4546         * gcc.c (have_c): New static variable.
4547         (have_o): Likewise.
4548         (process_command): Remove declation of have_c.
4549         Set have_o to 1 when handling -o.
4550         (main): Add a fatel error if there are multiple
4551         files specified and -o and -c/-S is passed witout
4552         -combine or multiple languages.
4554 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4556         Fix PR tree-optimization/22444
4557         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4558         Assert that we don't hit something with subvars.
4559         (setup_pointers_and_addressables): Don't add things with subvars,
4560         because we'll already process the subvars for aliasing purposes.
4562 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4564         PR target/23424
4565         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4566         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4567         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4568         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4569         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4570         swapped, alternatives for the R constraint.
4572         PR middle-end/24341
4573         * builtins.c (get_builtin_sync_mode): Make unlimited
4574         mode_for_size request.
4576 2005-10-15  Richard Henderson  <rth@redhat.com>
4578         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4579         (gimplify_expr): ... here.
4580         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4581         fb_lvalue in base expression.
4583 2005-10-15  Richard Henderson  <rth@redhat.com>
4585         PR 23714
4586         * builtins.c (expand_builtin_trap): Export.
4587         * expr.h (expand_builtin_trap): Declare.
4588         * expr.c (expand_assignment): Emit a trap for integral offsets
4589         from registers that weren't reduced to bitpos.
4591         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4592         (mark_array_ref_addressable): Remove.
4593         * tree-flow.h (mark_array_ref_addressable): Remove.
4594         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4596 2005-10-15  James E Wilson  <wilson@specifix.com>
4598         PR target/24232
4599         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4600         (add_dependence_list_and_free): Likewise.
4601         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4602         call.
4604 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4606         PR 23141
4607         PR 23142
4608         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4609         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4610         anti-range.
4611         (vrp_visit_phi_node): Only prevent infinite iterations when
4612         the previous result and the new result are both VR_RANGEs.
4614 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4616         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4617         function comment.
4619 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4621         PR c/23439
4622         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4623         to initialize loc.
4625 2005-10-14  Per Bothner  <per@bothner.com>
4627         PR preprocessor/21250
4628         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4630 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4632         PR c++/22551
4633         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4634         overflow flags.  Refactor some conditionals.
4636 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4638         PR tree-opt/21304
4639         * tree-dfa.c (add_referenced_var): Only look at decls which
4640         have TREE_CONSTANT or TREE_READONLY set instead of if
4641         !TREE_PUBLIC or !TREE_CONSTANT.
4643 2005-10-13  James E Wilson  <wilson@specifix.com>
4645         * doc/invoke.texi: For -x, add f95-cpp-input.
4646         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4648 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4650         PR tree-optimization/24262
4651         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4652         in loop all the time.
4654 2005-10-12  Richard Henderson  <rth@redhat.com>
4656         PR c/24255
4657         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4658         * function.c (assign_parm_find_data_types): Don't support it.
4659         * print-tree.c (print_node): Likewise.
4660         * c-common.c (handle_transparent_union_attribute): Likewise.
4661         Use build_duplicate_type.
4662         * tree-inline.c (remap_type_1): Split out of remap_type;
4663         properly remap aggregate fields.
4664         (build_duplicate_type): New.
4665         * doc/extend.texi (Variable Attributes): Remove documentation
4666         for transparent_union.
4668 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4670         PR target/24284
4671         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4672         (gen_stack_pointer_dec): Likewise.
4674 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4676         PR middle-end/21275
4677         PR middle-end/21766
4678         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4679         target hook.
4680         (struct cxx): Add adjust_class_at_definition target hook.
4681         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4682         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4683         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4684         hook_void_tree. Add to TARGET_CXX.
4685         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4686         dllimport_flag.
4687         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4688         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4689         instead of attribute. Check for dllexport override.  Warn if
4690         inconsistent dll linkage. Don't lose old dllimport if decl has
4691         had address referenced.   Tweak lookup of dllimport atribute.
4692         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4693         for target specific rules.  Don't add dllimport attribute if
4694         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4695         dllimport attribute.
4696         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4697         * varasm.c (initializer_constant_valid_p): Replace
4698         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4700         PR target/21801
4701         PR target/23589
4702         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4703         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4704         (i[34567]86-*-mingw32*): Likewise.
4706         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4707         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4709         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4710         C++-specific code. Change return value to bool.
4711         (i386_pe_dllimport_p): Likewise.
4712         (associated_type): Simplify and make language-independent
4713         (i386_pe_encode_section_info): Replace override of ambiguous
4714         dllimport symbol refs with a gcc_assert.
4715         (i386_pe_valid_dllimport_attribute_p): Define.
4716         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4717         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4718         i386_pe_adjust_class_at_definition.
4719         * config/i386/winnt-stubs.c: New file. Define stub versions of
4720         lang-specific functions.
4721         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4722         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4723         i386_pe_adjust_class_at_definition.
4724         (i386_pe_valid_dllimport_attribute_p): Declare.
4725         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4726         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4727         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4729         PR target/19704
4730         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4731         dllimport attribute with test of DECL_DLLIMPORT_P.
4733 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4735         * combine.c (make_extraction): Correct offset computation.
4737 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4739         * config/cris/t-linux (LIMITS_H_TEST): Define.
4741 2005-10-12  Richard Henderson  <rth@redhat.com>
4743         PR rtl-opt/23324
4744         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4746 2005-10-12  Richard Guenther  <rguenther@suse.de>
4748         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4750 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4752         PR c++/19964
4753         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4754         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4755         type.
4757 2005-10-12  Richard Guenther  <rguenther@suse.de>
4759         PR c++/23799
4760         * varasm.c (output_constant): Correct typo from previous
4761         patch by DJ.
4763 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4765         PR rtl-optimization/13931
4766         * combine.c: Revert patch of 2003-05-14, and:
4767         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4768         completely killed in the appropriate insn.
4769         (distribute_notes): Don't skip multiple hard register test for
4770         elim_i1 and elim_i2.
4772 2005-10-11  Richard Henderson  <rth@redhat.com>
4774         PR c/24255
4775         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4776         to initialize a transparent union instead of a nop_expr.
4778 2005-10-11  Richard Henderson  <rth@redhat.com>
4780         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4781         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4782         (tree_ssa_dce_loop): Call scev_reset.
4784         PR tree-opt/24300
4785         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4786         * tree-ssa-dce.c: Include cfgloop.h.
4787         (tree_ssa_dce_loop, pass_dce_loop): New.
4788         * tree-pass.h (pass_dce_loop): Declare it.
4789         * passes.c (init_optimization_passes): Use it.
4791 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4793         PR middle-end/24263
4794         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4795         Only apply the optimization for rounding builtins if the inner
4796         cast is also an extension.
4798 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4800         PR tree-opt/23946
4801         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4802         mark_new_vars_to_rename instead of update_stmt.
4804 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4806         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4808 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4810         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4811         for setting MMX register to 0 rather than mmx.
4813 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4815         PR target/12098
4816         * configure.ac: Move gas check from mips specific case to common case.
4817         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4818         * configure: Regenerate
4819         * doc/install.texi: Update.
4821 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4823         PR target/24284
4824         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4826 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4828         * gcc.c (do_spec_1): Accept numeric characters in file name
4829         suffixes.
4831 2005-10-10  Nick Clifton  <nickc@redhat.com>
4833         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4834         describing the deleted arm_gen_rotated_half_load function.
4836 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4838         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4839         __fpscr_values.
4841 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4843         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4844         gnu_ld assignments.
4845         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4846         (EXTRA_MULTILIB_PARTS): Define.
4847         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4848         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4849         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4850         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4851         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4852         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4854 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4856         PR tree-optimization/24226
4857         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4858         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4859         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4860         Export.
4862 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4864         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4866 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4868         PR target/24136
4869         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4870         Rewrite for no need for the early clobber.
4872 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4874         Merge from csl-arm-branch:
4875         2005-09-07  Paul Brook  <paul@codesourcery.com>
4876         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4877         space to string.
4879         2005-04-30  Paul Brook  <paul@codesourcery.com>
4880         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4881         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4883         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4884         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4885         (arm_override_options): Use TARGET_AAPCS_BASED.
4886         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4887         (PTRDIFF_TYPE): Use int for AAPCS.
4888         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4889         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4890         (DEFAULT_SHORT_ENUMS): Delete.
4891         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4893         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4894         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4895         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4896         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4898         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4899         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4901         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4902         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4904         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4905         * config.gcc (arm*-*-linux-gnueabi): Add it.
4906         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4907         redefining it.
4908         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4909         * config/arm/linux-eabi.h: New file.
4910         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4911         (LINUX_TARET_LINK_SPEC): Likewise.
4912         (LINK_SPEC): Use it.
4913         * config/arm/t-linux-eabi: New file.
4915 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4917         PR other/22202
4918         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4919         spaces.
4920         (PARAM_SMS_DFA_HISTORY): Likewise.
4922 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4924         PR middle-end/23150
4925         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4926         (load_register_parameters): Call it.
4927         (check_sibcall_argument_overlap_1): Likewise.
4928         (store_one_arg): Likewise.
4930 2005-10-07  James E. Wilson  <wilson@specifix.com>
4932         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4933         DImode not VECINT24 for operand 2.
4935         PR target/23644
4936         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4937         -mtune-arch.
4939         PR target/24193
4940         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4941         fr_spill): Use destination_operand for operand 0.
4943 2005-10-07  DJ Delorie  <dj@redhat.com>
4945         * varasm.c (output_constant): Limit error to expanding
4946         conversions.
4948 2005-10-07  Richard Guenther  <rguenther@suse.de>
4950         PR middle-end/24227
4951         * fold-const.c (fold_binary): Fix operand types during folding
4952         of X op (A, Y).  Evaluation order of the side-effects of
4953         X and A are frontend-defined, so ensure we honour that even for
4954         tcc_comparison class operands; eased by removing duplicate code.
4956 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4958         * stor-layout.c (layout_type): Do not allow alignment of array
4959         elements to be greater than their size.
4961 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4963         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4964         host_xmake_file.
4965         (hppa*-*-linux*): Ditto.
4966         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4967         * config/host-hpux.c: New.
4968         * config/x-hpux: New.
4969         * config/pa/x-hpux: Remove.
4970         * config/pa/x-linux: Remove.
4971         * config/pa/pa-host.c: Remove.
4973 2005-10-07  Jeff Law  <law@redhat.com>
4975         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4976         determine whether or not to try and thread outgoing edges.
4978 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4980         * config/rs6000/rs6000.md (eqsi_power): New.
4981         (neg_eq0si): Add TARGET_POWER to final condition.
4982         (neg_eqsi): Same.
4984 2005-10-06  Richard Henderson  <rth@redhat.com>
4986         * config/rs6000/rs6000.c: Revert last change.
4988 2005-10-06  Richard Henderson  <rth@redhat.com>
4990         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4991         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4993 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4995         PR middle-end/22216
4996         PR middle-end/23651
4997         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4998         out return_label and naked_return_label.
5000 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5002         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5003         change.
5005 2005-10-06  Richard Henderson  <rth@redhat.com>
5007         PR tree-opt/22237
5008         * tree-inline.c (declare_return_variable): Handle modify_dest not
5009         being a DECL.
5011 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5013         Fix PR tree-optimization/22488
5014         * tree-ssa-structalias.c (check_for_overlaps): New function.
5015         (create_variable_info_for): Use it.
5017 2005-10-06  Richard Henderson  <rth@redhat.com>
5019         PR debug/24070
5020         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5021         (dwarf2out_start_source_file): Print it.
5023 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5025         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5027 2005-10-06  Richard Henderson  <rth@redhat.com>
5029         PR 23706
5030         * mode-switching.c (optimize_mode_switching): Clear transp bit
5031         for block with incomming abnormal edges.
5033         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5034         (fpscr_set_from_mem): Use them.
5035         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5036         (fpscr postinc splitters): Rewrite as peephole2+split.
5038 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5040         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5041         (eq<mode>_compare): Same.
5043 2005-10-06  Richard Guenther  <rguenther@suse.de>
5045         PR tree-optimization/24238
5046         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5048 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5050         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5051         here.  Use AC_PATH_PROG for environment variables instead of
5052         test -x.
5053         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5054         objdump also.
5055         * configure: Regenerated.
5057 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5059         PR target/23783
5060         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5061         then force it into a register.
5062         (call_value): Likewise.
5064 2005-10-06  Richard Henderson  <rth@redhat.com>
5066         PR 24049
5067         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5068         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5069         under pass_vectorize.
5071 2005-10-05  Devang Patel  <dpatel@apple.com>
5073         PR Debug/23205
5074         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5075         handling constants. Check NAMESPACE_DECL context for constants.
5077 2005-10-05  Eric Christopher  <echristo@apple.com>
5079         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5081 2005-10-05  Richard Henderson  <rth@redhat.com>
5083         PR 23714
5084         * tree-cfg.c (mark_array_ref_addressable_1): New.
5085         (mark_array_ref_addressable): New.
5086         * tree-flow.h (mark_array_ref_addressable): Declare.
5087         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5089 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5091         PR middle-end/20606
5092         PR middle-end/24069
5093         * reload.c (subst_reloads): When adding a REG_LABEL to a
5094         jump instruction, also update JUMP_LABEL.
5096 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5098         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5099         * bb-reorder.c (copy_bb_p): Use it.
5100         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5102 2005-10-05  Richard Henderson  <rth@redhat.com>
5104         PR target/23602
5105         * toplev.c (process_options): Warn about unsupported combinations
5106         of unwind tables and omit-frame-pointer.
5107         * config/i386/i386.c (override_options): Similarly.  Enable
5108         accumulate-outgoing-args if not explicitly disabled.
5110 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5112         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5113         Handle big endian vs. small endian.
5114         (vec_initv2sf): Handle big endian vs. small endian.
5115         (*vec_extractv2sf_1): Ditto.
5117 2005-10-05  Dale Johannesen  <dalej@apple.com>
5119         * convert.c (convert_to_real):  Don't convert
5120         (float)floor(double d) to floorf((float)d).
5122 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5124         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5126 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5128         PR tree-optimization/18587
5129         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5130         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5131         build_vuses): Change to VEC type.
5132         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5133         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5134         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5135         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5136         (get_name_decl): New.  Return DECL_UID of base variable.
5137         (operand_build_cmp): New.  qsort comparison routine.
5138         (operand_build_sort_virtual): New.  Sort virtual build vector.
5139         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5140         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5141         (FINALIZE_BASE): Use get_name_decl.
5142         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5143         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5144         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5145         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5146         direct VEC_* manipulations.
5147         (build_ssa_operands): Call operand_build_sort_virtual.
5148         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5149         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5150         with direct VEC_* manipulations.
5151         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5152         with direct VEC manipulations.
5154 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5156         PR tree-optimization/21419
5157         PR tree-optimization/24146
5158         PR tree-optimization/24151
5160         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5161         (build_asm_expr): Call it if outputs are read-only.
5162         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5164 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5165             Paolo Bonzini  <bonzini@gnu.org>
5167         PR target/23809
5169         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5170         enable the instructions and not just the built-ins.
5171         * doc/invoke.texi (x86 Options): Likewise.
5173 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5175         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5177         * doc/invoke.texi (Option Summary): Correct spelling
5178         of -mmacosx-version-min.
5180 2005-10-04  Devang Patel  <dpatel@apple.com>
5182         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5183         real types.
5185 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5187         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5188         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5190 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5192         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5193         ("TE","tg"): New mode attributes.
5194         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5195         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5196         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5197         dword_mode and one for GPRmode.
5199 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5201         PR preprocessor/13726
5202         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5203         any comments passed in.
5205 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5207         * tree.c (annotate_with_file_line): Fix typo.
5209 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5211         PR ada/19382
5212         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5213         type used to access data in the inlined length == 1 case, use
5214         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5215         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5217 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5219         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5220         TARGET_SSE3 and only for TARGET_80387.
5221         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5222         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5223         Do not depend on TARGET_80387.
5225 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5227         * tree.c (last_annotated_node): Change type to location_t*.
5228         (annotate_with_file_line): Reflect the change of
5229         last_annotated_node type.
5231 2005-10-04  Richard Guenther  <rguenther@suse.de>
5233         PR c/23576
5234         * c-decl.c (grokdeclarator): Don't write to fields
5235         of error_mark_node.
5237 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5239         PR middle-end/23125
5240         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5241         register variables.
5242         * varasm.c (make_decl_rtl): If a register variable does not
5243         have a set user assmbler name, error out.
5244         Decode the asmspec is now name+1 bypassing '*'.
5246 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5248         PR tree-optimization/23049
5249         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5250         of a COND_EXPR is folded before calling fold on the whole rhs of a
5251         conditional assignment.
5252         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5253         document that a COND_EXPR may appear there.
5255 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5257         PR 23445
5258         * tree-vrp.c (extract_range_from_assert): If the new numeric
5259         range created out of the assertion contradicts the existing
5260         numeric range of the ASSERT_EXPR variable, make the new range
5261         varying.
5263 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5265         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5266         from T_REGS to FP register class.
5268 2005-10-03  Richard Henderson  <rth@redhat.com>
5270         PR 24135
5271         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5272         before creating a new one.
5274 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5276         * config/rs6000/t-aix43 (LDFLAGS): New.
5277         * config/rs6000/t-aix52 (LDFLAGS): New.
5279 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5281         * gimplify.c (find_single_pointer_decl_1): New static function.
5282         (find_single_pointer_decl): New static function.
5283         (internal_get_tmp_var): For a formal variable, set restrict base
5284         information if appropriate.
5285         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5286         return it.
5287         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5288         (DECL_GET_RESTRICT_BASE): Define.
5289         (SET_DECL_RESTRICT_BASE): Define.
5290         (decl_restrict_base_lookup): Declare.
5291         (decl_restrict_base_insert): Declare.
5292         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5293         * tree.c (restrict_base_for_decl): New static variable.
5294         (init_ttree): Initialize restrict_base_for_decl.
5295         (copy_node_stat): Copy restrict base information.
5296         (decl_restrict_base_lookup): New function.
5297         (decl_restrict_base_insert): New function.
5298         (print_restrict_base_statistics): New static function.
5299         (dump_tree_statistics): Call print_restrict_base_statistics.
5301 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5303         PR 24142
5304         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5305         case of anti-ranges.
5307 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5309         PR c/18851
5310         * c-typeck.c (tagged_tu_seen): Rename to ...
5311         (tagged_tu_seen_cache): this and add val field.
5312         (comptypes): Move functional to comptypes_internal
5313         and free tagged_tu_seen.
5314         (comptypes_internal): New function and call comptypes_internal
5315         instead of comptypes. Speed up by sibcalling
5316         tagged_types_tu_compatible_p.
5317         (alloc_tagged_tu_seen): New function
5318         (free_all_tagged_tu_seen_up_to): New function.
5319         (tagged_types_tu_compatible_p): Return the val of the seen two
5320         types.
5321         Add that the two types are the same to tagged_tu_seen_base
5322         if they are and call comptypes_internal instead of comptypes.
5323         <case UNION_TYPE>: Speed up common type where the fields are
5324         in the same order.
5325         (function_types_compatible_p): Call comptypes_internal instead of
5326         comptypes.
5327         (type_lists_compatible_p): Likewise.
5328         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5330 2005-10-02  Matthias Klose  <doko@debian.org>
5332         * doc/invoke.texi: Fix typo and speling error.
5334 2005-10-01  Richard Henderson  <rth@redhat.com>
5336         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5338 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5340         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5341         using --start-group and --end-group.
5343 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5345         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5346         FIXME note regarding quirky semantics.
5348 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5350         PR 24141
5351         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5352         non-null range as a last resort.
5354 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5355             Diego Novillo  <dnovillo@redhat.com>
5357         PR 23604
5358         * tree-vrp.c (extract_range_from_assert): For !=
5359         assertions, only build an anti-range if LIMIT is a
5360         single-valued range.
5362 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5364         * arm.md (movqi): On thumb when optimizing, handle loading from
5365         memory by describing this as taking a subreg of a zero-extended load
5366         into an SImode register.
5367         (movhi): Likewise.
5369 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5371         * reload1.c (merge_assigned_reloads): Do not change any
5372         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5374 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5376         * Makefile.in (LIPO_FOR_TARGET): Define.
5377         (STRIP_FOR_TARGET): Define.
5379         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5380         before creating new ones.  Do symlinks before creating the actual
5381         targets.
5383         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5384         to work out which multilibs are actually being built.
5386 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5388         * tree-vect-transform.c, config/ms1/ms1.md,
5389         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5390         Follow spelling conventions.
5391         * doc/invoke.texi, doc/md.texi: Fix typos.
5393 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5395         PR tree-optimization/21430
5396         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5397         use operands, and set stmt pointer if need be.
5398         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5399         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5400         present.
5402 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5404         PR middle-end/24053
5405         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5407 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5409         * optabs.c (expand_binop): Initialize first_pass_p.
5411 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5413         PR middle-end/24109
5414         * c-decl.c (c_write_global_declarations_1): If any
5415         wrapup_global_declaration_2 call returned true, restart the loop.
5417 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5419         Fix PR tree-optimization/24117
5420         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5421         before considering whether to use anyoffset.
5423 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5425         Revert this patch:
5427         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5429         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5430         to order operands.
5431         (swap_commutative_operands_with_target): New.
5433 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5435         PR c/21419
5436         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5437         read-only.
5439 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5441         PR tree-optimization/23911
5442         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5443         and IMAGPART_EXPR too.
5445 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5447         PR 17886
5448         * expmed.c (expand_shift): Move logic to reverse rotation
5449         direction when  rotating by constants ...
5450         * optabs.c (expand_binop): ... here.
5451         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5452         (ix86_rotrdi3): New pattern.
5453         (rotldi3): Handle 32-bit mode.
5454         (ix86_rotldi3): New pattern.
5456 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5458         PR target/24102
5459         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5460         check for numbers that need no bit twiddle.
5462 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5464         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5465         multilib to be built.
5467         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5468         (stage1-start): Delete old libgcc and libunwind before moving
5469         anything into the stage directory.
5470         (stage2-start): Likewise.
5471         (stage3-start): Likewise.
5472         (stage4-start): Likewise.
5473         (stageprofile-start): Likewise.
5474         (stagefeedback-start): Likewise.
5475         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5476         header in tm_file and CPU-specific t-darwin in tmake_file.
5477         (i[34567]86-*-darwin*): Don't change tm_file.
5478         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5479         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5480         shared library stub for target OS version.
5481         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5482         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5483         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5484         (libgcc_s.%.dylib): New.
5485         (LIBGCC): Define.
5486         (install-darwin-libgcc-stubs): New.
5487         (INSTALL_LIBGCC): New append.
5488         * config/i386/darwin-libgcc.10.4.ver: New.
5489         * config/i386/darwin-libgcc.10.5.ver: New.
5490         * config/i386/t-darwin: New.
5491         * config/rs6000/darwin-libgcc.10.4.ver: New.
5492         * config/rs6000/darwin-libgcc.10.5.ver: New.
5493         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5494         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5496 2005-09-28  Paul Brook  <paul@codesourcery.com>
5498         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5499         denormals.
5501 2005-09-28  Richard Guenther  <rguenther@suse.de>
5503         PR tree-optimization/23853
5504         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5505         host_integerp to verify misalignment value.
5507 2005-09-28  Richard Henderson  <rth@redhat.com>
5509         * builtins.c (get_builtin_sync_mode): New.
5510         (expand_builtin_sync_operation): Pass in mode argument.
5511         (expand_builtin_compare_and_swap): Likewise.
5512         (expand_builtin_lock_test_and_set): Likewise.
5513         (expand_builtin_lock_release): Likewise.
5514         (expand_builtin): Update to match.
5516 2005-09-28  Nick Clifton  <nickc@redhat.com>
5518         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5519         formatting.  Add check to PLUS case to ensure that the offset is
5520         within an acceptable range.
5522         * config/v850/v850.md (casesi): Disable the generation of the
5523         switch pattern as it is not being handled properly at the moment.
5525         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5526         for when the high words are identical.
5528 2005-09-27  Richard Henderson  <rth@redhat.com>
5530         * pretty-print.c (pp_base_format): Fix typo for %>.
5532 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5533             Devang Patel  <dpatel@apple.com>
5535         PR tree-optimization/23625
5536         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5537         LABEL_EXPR, assertion check.
5539 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5541         * optabs.c (no_conflict_move_test): Check if a result of a
5542         to-be-moved insn would be clobbered by an originally
5543         preceding insn.
5545 2005-09-27  Jeff Law  <law@redhat.com>
5547         * passes.c (init_optimization_passes): Replace copy propagation
5548         passes immediately after DOM with phi-only copy propagation
5549         pases.  Add phi-only copy propagation pass after first DOM pass.
5550         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5551         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5552         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5553         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5554         to init_copy_prop.  Callers updated.
5555         (do_phi_only_copy_prop): New function.
5556         (pass_phi_only_copy_prop): New pass descriptor.
5558 2005-09-27  Nick Clifton  <nickc@redhat.com>
5560         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5562 2005-09-26  Jason Merrill  <jason@redhat.com>
5564         PR c++/13764
5565         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5567         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5569 2005-09-26  James E Wilson  <wilson@specifix.com>
5571         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5572         copyright.  Add gcc copyright plus libgcc exception.
5573         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5574         copyright.
5575         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5577 2005-09-26  Jeff Law  <law@redhat.com>
5579         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5580         about when to iterate.
5582 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5584         PR target/23847
5585         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5586         for __complex__ double in -mcpu=G5 mode.
5588 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5590         PR tree-optimization/23942
5591         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5592         * tree-scalar-evolution.c: Include params.h.
5593         (t_bool): New enum.
5594         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5595         follow_ssa_edge_in_condition_phi_branch,
5596         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5597         Change return type to t_bool.  Use a parameter to limit the size of
5598         trees that are walked before stopping
5599         (analyze_evolution_in_loop): Initialize the limit to 0.
5600         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5601         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5603 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5605         PR middle-end/23831
5606         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5607         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5609 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5611         * combine.c (make_extraction): Check for valid use of subreg.
5613 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5615         PR target/24055
5616         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5617         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5618         ("fist<mode>2_with_temp"): Use only register operands.
5620 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5622         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5623         CALL_INSN_FUNCTION_USAGE.
5625 2005-09-26  Richard Guenther  <rguenther@suse.de>
5627         PR middle-end/15855
5628         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5629         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5630         (ldst_entry): Use the hashtable instead of list-walking.
5631         (find_rtx_in_ldst): Likewise.
5632         (free_ldst_entry): Free the hashtable.
5633         (compute_ld_motion_mems): Create the hashtable.
5634         (trim_ld_motion_mems): Remove entry from hashtable if
5635         removing it from list.
5636         (compute_store_table): Likewise^2.
5637         (store_motion): Free hashtable in case we did not see
5638         any stores.
5640 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5642         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5643         and arg1 if we are passing them to fold_build2.
5645 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5647         PR 23828
5648         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5649         a nested function.
5651 2005-09-25  Richard Henderson  <rth@redhat.com>
5653         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5654         SYMBOL_REF_TLS_MODEL to be correct.
5656 2005-09-24  Richard Henderson  <rth@redhat.com>
5658         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5659         end of function.  Reindent.
5661 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5663         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5664         NEGATE_EXPR/BIT_NOT_EXPR case.
5666 2005-09-24  Richard Henderson  <rth@redhat.com>
5668         * c-common.c (handle_mode_attribute): When not modifying in place,
5669         create subtypes for enumerations.
5670         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5671         * gimplify.c (create_tmp_from_val): Likewise.
5673 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5675         * config/i386/i386.md (*tls_global_dynamic_64,
5676         *tls_local_dynamic_base_64): Add missing mode to call.
5677         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5679 2005-09-24  Jan Hubicka  <jh@suse.cz>
5681         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5682         (cgraph_clone_node): Likewise.
5683         * cgraph.h (cgraph_clone_edge): Update prototype.
5684         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5685         duplicated prototypes; add updating argument.
5686         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5687         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5688         updating profile.
5689         (cgraph_mark_inline_edge): Likewise.
5690         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5691         (cgraph_flatten_node): Likewise.
5692         (cgraph_decide_recursive_inlining): Likewise.
5693         (cgraph_decide_inlining_of_small_function): Likewise.
5694         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5696 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5697             Pete Steinmetz <steinmtz@us.ibm.com>
5699         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5700         (rldic.): Set type to "compare".
5701         (rldicr.): Same.
5702         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5703         mfjmpr for MFCTR/MFLR.
5704         (movdf_hardfloat64): Same.
5705         (movdf_softfloat64): Same.  Correct order of store and move types.
5706         (movti_string): Set type to store_ux/load_ux.
5707         (load_multiple): Set type to load_ux.
5708         (store_multiple): Set type to store_ux.
5709         (movmemsi): Set type to store_ux.
5710         (output_cbranch direct_return): Set type to jmpreg.
5711         (stmw): Set type to store_ux.
5712         (lmw): Set type to load_ux.
5713         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5714         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5715         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5716         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5717         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5718         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5719         (rios1-fpstore): Increase latency to 3.
5720         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5721         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5723 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5724             Andrew Pinski  <pinskia@physics.uc.edu>
5726         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5727         operand2 constraint to "b".
5728         (sync_<fetchop_name>di_internal): Same.
5729         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5730         to "b".
5731         (sync_old_<fetchop_name>di_internal): Same.
5732         (sync_new_<fetchop_name>si_internal): Same.
5733         (sync_new_<fetchop_name>di_internal): Same.
5735 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5737         PR middle-end/23991
5738         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5739         case, define as macros.
5741         PR rtl-optimization/23837
5742         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5743         clobber / clobber match between dest and p->first.
5745         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5746         (no_conflict_move_test): Update comments.
5748 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5750         * doc/install.texi: Update URL for Jacks.
5751         * doc/sourcebuild.texi: Likewise.
5753 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5755         PR target/24007
5756         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5757         registers when choosing register preferences.
5758         (movdf_hardfloat64): Same.
5760 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5762         * expmed.c (expand_shift): Don't use the target of the rotate as
5763         target for the first expanded shift insn.
5764         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5766 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5768         PR tree-optimization/22438
5769         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5770         preserved iv rhs rewriting specially.
5772 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5774         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5775         estimate_only  is true.
5776         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5777         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5778         tree-ssa-structalias.c
5779         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5780         ref_contains_indirect_ref.
5781         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5783 2005-09-21  DJ Delorie  <dj@redhat.com>
5785         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5786         MASK_PTR_A0D0.
5787         (mn10300_return_in_memory): Support variable size types also.
5788         (mn10300_pass_by_reference): Likewise.
5789         (mn10300_function_value): New.
5790         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5791         (FUNCTION_OUTGOING_VALUE): Likewise.
5792         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5793         * doc/invoke.texi: Document it.
5795 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5797         PR target/22585
5798         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5799         force integer op1 into register for XFmode compares.
5801 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5803         PR middle-end/23971
5804         * expmed.c (alg_code): Add alg_impossible.
5805         (alg_hash_entry): Add cost.
5806         (synth_mult): Record alg_impossible in the hash table if
5807         multiplication by a given integer is impossble within the
5808         limit.  Speed up using alg_impossible.
5810 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5812         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5813         argument.  Allow and set any offset if needs_anyoffset is passed
5814         in.
5815         (get_constraint_for): Add argument here too.
5816         Pass it down.
5817         (do_structure_copy): Pass NULL to get_constraint_for.
5818         (handle_ptr_arith): Ditto.
5819         (find_func_aliases): Ditto.
5821 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5823         PR rtl-optimization/23898
5824         * output.h (get_attr_min_length): Declare.
5825         * final.c (get_attr_length_1): New function, broken out of:
5826         (get_attr_length).
5827         (get_attr_min_length): New function.
5828         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5829         (duplicate_computed_gotos): Likewise.
5830         * genattr.c (insn_min_length): Generate declaration.
5831         * genattrtab.c (min_fn, min_attr_value): New functions.
5832         (make_length_attrs): Generate insn_min_length.
5834 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5836         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5838 2005-09-20  Richard Henderson  <rth@redhat.com>
5840         PR tree-optimization/24059
5841         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5842         EXPAND_STACK_PARM.
5844 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5846         * c.opt (fextended-identifiers): New.
5847         * c-opts.c (c_common_handle_option): Handle
5848         -fextended-identifiers.
5849         * doc/cpp.texi: Update documentation of extended identifiers.
5850         * doc/cppopts.texi (-fextended-identifiers): Document.
5852 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5854         PR tree-optimization/23929
5855         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5856         if expr is NULL.
5858         PR tree-optimization/23818
5859         * tree-stdarg.c (execute_optimize_stdarg): Call
5860         calculate_dominance_info.
5862 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5864         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5865         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5866         (compute_overlap_steps_for_affine_1_2): Use
5867         get_number_of_iters_for_loop.
5868         (analyze_subscript_affine_affine): Check whether difference is
5869         zero first.
5870         Use get_number_of_iters_for_loop.
5871         Check whether overlap occurs outside of bounds.
5872         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5874 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5876         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5877         base register if possible.
5879 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5881         PR tree-optimization/18463
5882         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5883         converting it directly is not possible.
5884         (chrec_convert_aggressive): New function.
5885         * tree-chrec.h (chrec_convert_aggressive): Declare.
5886         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5887         Fold chrec conversions aggressively if asked to.
5888         (instantiate_parameters): Modified because of changes in
5889         instantiate_parameters_1.
5891 2005-09-19  Richard Henderson  <rth@redhat.com>
5893         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5894         (reduc_splus_v2df): New.
5896 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5898         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5899         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5901 2005-09-19  Richard Henderson  <rth@redhat.com>
5903         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5904         vcondu<SSEMODE12>.
5906 2005-09-19  Richard Henderson  <rth@redhat.com>
5908         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5909         (ia64_expand_dot_prod_v8qi): New.
5910         * config/ia64/ia64-protos.h: Update.
5911         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5912         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5913         sdot_prodv8qi, sdot_prodv4hi): New.
5914         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5916 2005-09-19  Richard Henderson  <rth@redhat.com>
5918         PR 23941
5919         * real.c (exact_real_truncate): Return false if the format cannot
5920         represent the number as a normal.
5922         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5923         for a memory source.
5925 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5927         * tree-ssa-operands.c (swap_tree_operands): Export.
5928         * tree.h (swap_tree_operands): Declare.
5929         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5930         Call swap_tree_operands.
5932 2005-09-19  Richard Henderson  <rth@redhat.com>
5934         * tree-flow.h (merge_alias_info): Declare.
5935         * tree-ssa-copy.c (merge_alias_info): Export.
5936         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5937         (vect_create_data_ref_ptr): Use create_iv directly.
5938         (vectorizable_load): Use correct types for integer constants.
5939         (vect_generate_tmps_on_preheader): Likewise.
5940         (vect_gen_niters_for_prolog_loop): Likewise.
5942 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5944         PR rtl-optimization/23943
5945         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5947 2005-09-18  Jan Hubicka  <jh@suse.cz>
5949         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5951 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5953         * varasm.c (output_constant): Do not abort on conversions to union
5954         types between different sizes.
5956 2005-09-18  Richard Guenther  <rguenther@suse.de>
5958         PR middle-end/23944
5959         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5960         fallback.
5962 2005-09-18  Paul Brook  <paul@codesourcery.com>
5964         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5966 2005-09-17  Richard Henderson  <rth@redhat.com>
5968         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5969         * tree-ssa-loop.c (pass_vect_dce): Remove.
5970         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5971         of pass_vectorize.
5973 2005-09-17  Richard Henderson  <rth@redhat.com>
5975         * tree-pass.h (pass_vect_dce): Declare.
5976         * passes.c (init_optimization_passes): Add it.
5977         * tree-flow.h (tree_ssa_dce): Declare.
5978         * tree-ssa-dce.c (tree_ssa_dce): Export.
5979         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5980         (gate_tree_vectorize): ... here.
5981         (pass_vect_dce): New.
5983 2005-09-17  Jan Hubicka  <jh@suse.cz>
5985         * except.c (struct eh_status): Turn region_array into vec.
5986         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5987         convert_from_eh_region_ranges, find_exception_handler_labels,
5988         current_function_has_exception_handlers, assign_filter_values,
5989         build_post_landing_pads, dw2_build_landing_pads,
5990         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5991         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5992         foreach_reachable_handler, can_throw_internal_1,
5993         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5994         region_array.
5995         (duplicate_eh_region_1): Update region_array.
5996         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5998 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6000         PR middle-end/22067
6001         * expmed.c (expand_mult): Substitute simple register for op0 when
6002         computing max_cost.
6004 2005-09-17  Richard Henderson  <rth@redhat.com>
6006         * expr.c (emit_move_via_integer): Add force argument, pass it on
6007         to emit_move_change_mode.  Update callers.
6008         (emit_move_complex): Pass true to new force argument.
6009         * function.c (expand_function_end): Move expand_eh_return call
6010         earlier.  Merge sub-word complex values into a pseudo before
6011         copying to the return hard register.
6013 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6015         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6016         between different sizes.
6018 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6020         PR 23903
6022         * passes.c (init_optimization_passes): Register dump files for
6023         IPA passes first.
6025 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6027         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6028         * config/s390/s390.c (s390_overlap_p): New function.
6029         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6030         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6031         condition.
6033 2005-09-16  Richard Guenther  <rguenther@suse.de>
6035         * ipa-pure-const.c (static_execute): Free auxiliar information.
6036         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6037         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6039 2005-09-15  DJ Delorie  <dj@redhat.com>
6041         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6043 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6045         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6046         to order operands.
6047         (swap_commutative_operands_with_target): New.
6049 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6051         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6052         parameter.
6053         Update callers.
6054         (estimate_iters_using_array): New function.
6055         * tree-data-ref.h (estimate_iters_using_array): Prototype
6056         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6057         Use estimate_iters_using_array instead of analyze_array.
6059 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6061         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6062         as addressable.
6064 2005-09-15  Michael Matz  <matz@suse.de>
6066         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6068 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6070         PR tree-optimization/23835
6071         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6072         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6074 2005-09-14  Richard Henderson  <rth@redhat.com>
6076         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6077         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6079 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6081         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6082         in the ARRAY_TYPE case.
6084 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6086         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6088 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6090         PR middle-end/22480
6091         * tree-vect-transform.c (vectorizable_operation): Return false for
6092         scalar shift operations and for vector shift operations with
6093         non-invariant shift arguments.  Use scalar tree operand op1 as
6094         a shift operand when vector shift insn pattern uses scalar shift
6095         operand.
6096         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6098 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6100         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6101         value if it has side-effects.
6103 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6105         PR target/22068
6106         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6108 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6110         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6111         passed as NAME as if it were label at start of function code.
6113 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6115         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6116         the constraints.
6118 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6120         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6121         as early clobber.  Rewrite so the PIC register is not implicitly used.
6123 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6125         * tree.c (annotate_with_file_line): Compare line numbers before
6126         file names.
6128 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6130         PR target/23816
6131         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6132         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6134 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6136         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6137         than a HOST_WIDEST_INT to gen_doloop_begin.
6139 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6141         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6143 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6145         PR tree-optimize/23817
6146         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6148 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6150         PR target/23774
6151         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6152         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6153         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6154         (restore_stack_nonlocal): Likewise.
6155         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6157 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6159         PR g++/7874
6160         * c.opt (ffriend-injection): New C++ option.
6161         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6162         (C++ Dialect Options): Document -ffriend-injection.
6164 2005-09-12  Josh Conner  <jconner@apple.com>
6166         PR middle-end/23237
6167         * ipa-reference.c (static_execute): Don't mark variables in
6168         named sections TREE_READONLY.
6170 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6172         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6173         stack_tie.
6175 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6177         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6178         V_MUST_DEF instead of just the first_use_p.
6179         Don't mark the virtual variables for renaming on the statement which
6180         is being removed.
6181         (pass_dse): Remove TODO_update_ssa.
6183 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6185         PR middle-end/23290
6186         * stor-layout.c (compute_record_mode): For records with a single
6187         field, actually check the field's mode size against the type size.
6189         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6190         registers for TARGET_SHMEDIA.
6191         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6192         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6193         of GENERAL_REGS and FP_REGS.
6195 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6197         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6199 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6201         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6202         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6203         are omitted.  Exclude stack_tie insn too.
6205 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6207         PR rtl-optimization/23098
6208         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6209         0.0f is easy.
6210         * config/rs6000/rs6000.md (movdf splitter): Use
6211         const_double_operand predicate for TARGET_POWERPC64.
6212         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6213         SYMBOL_REF method to ABI_V4.
6215         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6216         replace_equiv_address.
6217         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6218         rs6000_sr_alias_set and MEM_NOTRAP.
6219         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6221 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6223         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6224         handle CALL_EXPR again.
6226 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6228         * arm/predicates.md (alignable_memory_operand): Delete.
6230 2005-09-10  Richard Henderson  <rth@redhat.com>
6232         PR debug/23806
6233         * dbxout.c (dbxout_expand_expr): New.
6234         (dbxout_symbol): Use it.
6236 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6238         * arm.c (arm_gen_rotated_half_load): Delete.
6239         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6240         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6241         (thumb_set_return_address): Likewise.
6242         (thumb_load_double_from_address): Use adjust_address.
6243         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6244         (extendhsisi2_mem, movhi_bytes): Use change_address.
6245         (movhi): Use widen_memory_access.
6246         (reload_out_df): Use replace_equiv_address.
6247         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6249 2005-09-09  Richard Henderson  <rth@redhat.com>
6251         PR debug/20998
6252         * dbxout.c: Include expr.h.
6253         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6254         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6255         * Makefile.in (dbxout.o): Add EXPR_H.
6257 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6259         PR tree-optimization/23509
6260         * tree-cfg.c (replace_uses_by): Use replace_exp.
6261         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6262         pointers have name_mem_tag or type_mem_tag set.
6264 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6266         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6267         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6268         of wrongly accessing operands.
6270 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6272         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6273         * tree-chrec.c: Include tree-scalar-evolution.h.
6274         (chrec_convert): Instantiate the base and step before calling
6275         scev_probably_wraps_p that would fail on parametric evolutions.
6276         Collect all the fails into a single section failed_to_convert,
6277         print a diagnostic, and return chrec_dont_know instead of calling
6278         fold_convert.
6279         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6280         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6281         phi nodes.
6282         (scev_const_prop): Don't replace the definition of a loop closed ssa
6283         phi node by itself, or by another loop closed ssa phi node.
6284         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6285         that base and step are defined.
6287 2005-09-09  Richard Guenther  <rguenther@suse.de>
6289         PR c++/23624
6290         * fold-const.c (fold_ternary): Check truth_value_p before
6291         calling invert_truthvalue.
6293 2005-09-09  Nick Clifton  <nickc@redhat.com>
6295         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6296         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6297         dimension of these arrays.
6298         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6299         these arrays.
6300         * longlong.h: Only provide a prototype for the __clz_tab[] array
6301         if this header has not been included from libgcc2.h.
6302         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6303         defining own types.
6304         Provide prototypes for exported functions.
6305         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6306         libgcc2.c.
6308 2005-09-08  Josh Conner  <jconner@apple.com>
6310         PR c++/21135
6311         PR c++/23180
6312         * expr.c (expand_expr_addr_expr_1): Don't invoke
6313         expand_simple_binop for EXPAND_INITIALIZER.
6315 2005-09-08  Richard Henderson  <rth@redhat.com>
6317         PR debug/23190
6318         * toplev.c (wrapup_global_declaration_1): Split out ...
6319         (wrapup_global_declaration_2): ... from ...
6320         (wrapup_global_declarations): ... here.  Return bool.
6321         (check_global_declaration_1): Split out ...
6322         (check_global_declarations): from here.
6323         (emit_debug_global_declarations): New.
6324         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6325         check_global_declaration_1, emit_debug_global_declarations): Declare.
6326         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6327         of decls.  Call wrapup_global_declaration_1,
6328         wrapup_global_declaration_2, check_global_declaration_1 directly.
6329         (c_write_global_declarations_2): New.
6330         (ext_block): New.
6331         (c_write_global_declarations): Call c_write_global_declarations_2.
6332         * langhooks.c (write_global_declarations): Call
6333         emit_debug_global_declarations.
6335         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6336         remove decls that have DECL_RTL_SET_P.
6337         * passes.c (rest_of_decl_compilation): Invoke
6338         cgraph_varpool_finalize_decl for all but functions.
6340 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6342         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6343         the result of a conversion if the new min and max cannot be compared.
6345 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6347         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6348         (override_options): Setting s390_sr_alias_set removed.
6349         (save_fpr, save_gprs): Set alias set to vararg or frame.
6350         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6351         s390_sr_alias_set with get_frame_alias_set ().
6352         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6353         get_varargs_alias_set ().
6355 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6357         PR objc/20574
6358         PR objc/19324
6359         * c-parser.c (c_parser_objc_method_definition): If the next
6360         token is not "{", error out and don't start the function.
6362 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6364         * tree-vrp.c (extract_range_from_expr): Move the check for non
6365         nullness after the check for gimple invariant.
6367 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6369         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6371 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6373         PR target/23747
6374         * config/m32r.md (movmemsi_internal): Canonicalize order of
6375         operands in PLUS component of template.
6377 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6379         * reload1.c (fixup_eh_region_note): Remove assertion.
6380         (fixup_abnormal_edges): Reverted removal of call to
6381         find_many_sub_basic_blocks made on 2005-08-31.
6383 2005-09-07  Richard Henderson  <rth@redhat.com>
6385         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6386         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6387         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6388         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6389         rearrange for better packing.
6390         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6391         (lookup_cfa_1): Remove inline marker.
6392         (cfa_equal_p): Split out of ...
6393         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6394         (build_cfa_loc): Handle !cfa->indirect.
6395         (frame_pointer_cfa_offset): New.
6396         (dbx_reg_number): Assert register elimination performed; do
6397         leaf register remapping.
6398         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6399         (eliminate_reg_to_offset): New.
6400         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6401         for verifiably local stack frame addresses; re-base to CFA.
6402         (mem_loc_descriptor): Remove can_use_fbreg argument.
6403         (concat_loc_descriptor, loc_descriptor): Likewise.
6404         (containing_function_has_frame_base): Remove.
6405         (rtl_for_decl_location): Don't do register elimination or
6406         leaf register remapping here.
6407         (secname_for_decl): Split out from ..
6408         (add_location_or_const_value_attribute): ... here.
6409         (convert_cfa_to_loc_list): New.
6410         (compute_frame_pointer_to_cfa_displacement): New.
6411         (gen_subprogram_die): Use them.
6412         * tree.h (frame_base_decl): Remove.
6413         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6414         (prologue_stack_adjust): Remove.
6415         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6416         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6417         (set_frame_base_location): Remove.
6418         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6419         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6420         (vt_add_function_parameters): Don't eliminate_regs.
6421         (vt_initialize): Don't create frame_base_decl.
6423 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6425         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6426         version of GNU binutils for 4.x and later.
6428 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6430         * ggc-page.c (ggc_push_context): Remove.
6431         (ggc_pop_context): Likewise.
6432         * ggc.h (ggc_push_context): Remove.
6433         (ggc_pop_context): Likewise.
6435 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6437         PR target/8973
6438         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6439         returning from an interrupt handler.
6441 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6443         PR target/8972
6444         * config/arc/arc.c (output_shift): Add check for loop count when
6445         optimizing.
6447 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6449         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6450         form manually.
6451         (abs_replacement): Likewise.
6452         (pass_phiopt): Remove TODO_update_ssa.
6454 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6456         PR c/23075
6457         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6458         if "return with no value, in function returning non-void" warning
6459         has been issued.
6460         * tree-cfg.c (execute_warn_function_return): Don't look at
6461         RETURN_EXPRs with TREE_NO_WARNING set.
6463         PR target/22362
6464         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6465         for internal functions doesn't use registers used by global registers
6466         variables.  Use fewer register parameters if there are global register
6467         variables.
6469 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6470             Eric Botcazou  <ebotcazou@adacore.com>
6472         PR middle-end/14997
6473         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6474         when we would be extracting outside its bit span (bitpos+bitsize
6475         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6476         Ada unchecked conversions.
6478 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6480         * tree-ssa-pre.c (try_look_through_load): New function.
6481         (compute_avail): Use it to try to look through loads for some
6482         more useful expressions.
6484 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6486         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6487         condition for detecting cases like (a&a) and (a^a).
6489 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6491         * common.opt: Add option ftree-vect-loop-version.
6492         * params.def: Add --param vect-max-version-checks.
6493         * doc/invoke.texi: Document ftree-vect-loop-version and
6494         --param vect-max-version-checks.
6495         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6496         may_misalign_stmts and defines for accessors.
6497         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6498         LOOP_VINFO_MAY_MISALIGN_STMTS.
6499         (destroy_loop_vec_info): VEC_free for
6500         LOOP_VINFO_MAY_MISALIGN_STMTS.
6501         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6502         Update documentation.
6503         (vect_update_misalignment_for_peel): New.
6504         (vect_enhance_data_refs_alignment): Update to choose loop
6505         peeling or loop versioning if appropriate for the (potentially)
6506         unaligned data references in the loop.
6507         (vect_analyze_data_refs_alignment): Remove call to
6508         vect_enhance_data_refs_alignment so the checks can be done
6509         earlier.
6510         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6511         and move up call to vect_analyze_data_refs_alignment.
6512         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6513         (vect_transform_loop): Add call to loop_version.
6515 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6517         PR rtl-optimization/23098
6518         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6519         * simplify-rtx.c (constant_pool_reference_p): New function.
6520         * rtl.h (constant_pool_reference_p): New prototype.
6521         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6522         constant_pool_reference_p in condition and
6523         avoid_constant_pool_reference in preparation statements.
6525 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6527         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6528         STRICT_LOW_PART SETs.
6530 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6532         PR middle-end/21460
6533         * except.c (sjlj_emit_function_enter): Find the function begin
6534         note even when it's not in first basic block.
6536 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6538         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6539         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6540         * aclocal.m4: Regenerate.
6542 2005-09-05  DJ Delorie  <dj@redhat.com>
6544         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6545         of macro.
6547 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6549         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6550         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6551         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6552         Follow spelling conventions.
6553         * doc/invoke.texi: Follow spelling conventions.
6555 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6557         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6558         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6559         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6561 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6563         PR target/23683
6564         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6565         (output_stack_adjust): Use gen_tmp_stack_mem.
6566         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6567         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6568         (sh_get_pr_initial_val): Likewise.
6569         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6570         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6571         * sh.md (divsi_inv_m0): Use gen_const_mem.
6572         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6573         (movdf_i4+1): Use gen_tmp_stack_mem.
6574         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6575         (fpu_switch+2): Likewise.
6576         (movv4sf_i, movv16sf_i): Use adjust_address.
6577         (symGOT_load): Set MEM_NOTRAP_P bit.
6579 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6581         PR target/23721
6582         * pa.c (emit_move_sequence): Fix typo in last change.
6584 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6586         PR rtl-optimization/23454
6587         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6588         is true.
6590 2005-09-03  Richard Henderson  <rth@redhat.com>
6591             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6593         PR middle-end/23671
6594         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6595         gen_rtx_MEM.
6597 2005-09-02  Nicolas Pitre <nico@cam.org>
6599         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6600         to bit_count to 32 bits.
6602 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6604         PR c++/23167
6605         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6606         generating synthetic loads from volatile lvalues.
6608 005-09-02  Nick Clifton  <nickc@redhat.com>
6610         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6611         __ctzhi2, __clzhi2): New functions.
6613 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6615         PR middle-end/23547
6616         * tree-nested.c (struct var_map_elt): Mark with GTY.
6617         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6618         var_map_elt.
6619         (lookup_field_for_decl): Allocate new element in GC memory.
6620         (lookup_tramp_for_decl): Likewise.
6621         (convert_nl_goto_reference): Likewise
6622         (create_nesting_tree): Allocate info in GC memory. Likewise for
6623         info->var_map.
6624         (free_nesting_tree): Free with ggc_free instead of free.
6625         (root): New static variable.
6626         (lower_nested_functions): Remove root as local variable.  And zero out
6627         root at the end of the function.
6629 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6631         PR rtl-optimization/20365
6632         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6633         to short.  New member ix.
6634         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6635         (simplify_plus_minus): Initialize ix members before calling qsort.
6637 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6639         PR tree-optimization/23626
6640         * tree-cfg.c (replace_uses_by): Clean up eh info.
6642 2005-09-01  DJ Delorie  <dj@redhat.com>
6644         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6645         fprintf.
6647 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6649         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6650         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6651         gen_rtx_MEM.
6653 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6655         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6656         do not issue warning for a variable definition following
6657         a declaration.
6659 2005-09-01  Richard Henderson  <rth@redhat.com>
6661         PR 23668
6662         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6663         conversion to CONST_VECTOR.
6665 2005-09-01  Richard Henderson  <rth@redhat.com>
6667         PR 23676
6668         * reload1.c (reload_as_needed): Check !CALL_P before calling
6669         fixup_eh_region_note.
6670         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6672 2005-09-01  DJ Delorie  <dj@redhat.com>
6674         * varasm.c (output_constant): Let the target resolve
6675         conversions of addresses to non-default pointer sizes.
6677 2005-09-01  Nicolas Pitre <nico@cam.org>
6679         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6680         to alow matching ARM pre-indexed addressing mode.
6681         (arm_override_options): Remove now irrelevant comment.
6683 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6685         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6686         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6687         * config/i386/vxworks.h:  Likewise.
6688         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6689         * config/i386/vxworksae.h:  Likewise.
6691 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6693         PR tree-optimization/23410
6694         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6695         sequence is not wrapping during the first step.
6697 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6699         PR debug/7241
6700         * dwarf2out.c (base_type_die): Compare char_type_node with
6701         TYPE_MAIN_VARIANT (type), not type.
6703 2005-09-01  Richard Guenther  <rguenther@suse.de>
6705         PR tree-optimization/15366
6706         * common.opt: Add -finline-functions-called-once.
6707         Put -fearly-inlining in alphabetically ordered place.
6708         * doc/invoke.texi: Document new option.
6709         * ipa-inline.c (cgraph_decide_inlining): Honour
6710         flag_inline_functions_called_once.
6712 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6714         PR rtl-optimization/23478
6715         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6716         (alloc_qty): Initialize it.
6717         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6718         (combine_regs): Combine also n_throwing_calls_crossed fields.
6719         (find_free_reg): Don't attempt to caller-save pseudos crossing
6720         calls that might throw.
6721         * global.c (struct allocno): Add throwing_calls_crossed field.
6722         (global_alloc): Revert 2005-08-22 change.  Initialize
6723         throwing_calls_crossed.
6724         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6725         might throw.
6727 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6729         PR target/23649
6730         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6731         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6732         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6733         (and64_2_operand): Tweak to use predicate.
6734         (and_operand): Adjust for mask_operand changes.
6735         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6736         (print_operand): Likewise.
6737         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6738         (mask64_1or2_operand): Delete.
6739         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6740         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6741         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6742         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6743         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6744         (rotldi3_internal4): Likewise.
6745         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6746         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6747         (ashldi3_internal7): Likewise.
6748         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6749         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6750         (anddi3 split): Don't match mask64_operand.
6751         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6752         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6753         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6754         't' splitter predicate.
6755         (movdi_internal64 + 2): Revert 2005-06-11 change.
6757 2005-08-31  DJ Delorie  <dj@redhat.com>
6759         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6760         (m32c_asm_integer): Add support for 32 bit pointers.
6762 2005-08-31  Richard Henderson  <rth@redhat.com>
6764         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6765         component-like references for setting MEM_NOTRAP_P.
6767         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6768         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6770 2005-08-31  Richard Henderson  <rth@redhat.com>
6772         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6773         into a pseudo before applying gen_lowpart.
6775 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6777         * doc/install.texi (Specific): Update cctools version required
6778         for full functionality.
6779         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6780         linkers as -macosx_version_min.
6782 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6784         PR target/21255
6785         * sh.c (print_operand, %R and %S): Add handling of floating point
6786         registers, memory, constants and invalid operands.
6788 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6790         * ipa-pure-const.c: Change dump name.
6792 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6794         PR target/23570
6795         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6796         to "reg_or_0_operand".
6797         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6799 2005-08-31  Dale Johannesen  <dalej@apple.com>
6801         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6802         loops that count down.
6804 2005-08-31  Richard Henderson  <rth@redhat.com>
6806         PR rtl-opt/23601
6807         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6808         (fixup_eh_region_note): New.
6809         (reload_as_needed): Call it.
6810         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6811         don't call find_many_sub_basic_blocks; call verify_flow_info.
6812         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6813         (keep_stack_depressed): Likewise.
6814         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6816 2005-08-31  Richard Henderson  <rth@redhat.com>
6818         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6819         fp return matching.
6821 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6823         * expr.c (expand_expr_real_1): Compare size of address
6824         mode to target's address mode size in deciding expansion of
6825         the constant address.
6827 2005-08-31  Richard Guenther  <rguenther@suse.de>
6829         PR middle-end/23477
6830         * expr.c (all_zeros_p): New function.
6831         (expand_expr_real_1): Handle the case of an all-zero
6832         non-addressable constructor separately.
6834 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6836         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6837         arguments, adjust all callers.
6838         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6840 2005-08-30  Richard Henderson  <rth@redhat.com>
6842         PR target/23630
6843         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6844         whenever the mode sizes match.
6846 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6848         * calls.c (load_register_parameters): Fix comment typo.
6849         * expr.c (emit_push_insn): Comment formatting.
6851 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6853         * config/i386/x-cygwin (host-cygwin): Change dependency from
6854         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6856 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6858         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6859         parts of 'vals'.
6861 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6863         PR middle-end/23408
6864         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6865         call to ggc_collect.
6867 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6869         PR bootstrap/21268
6870         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6871         beginning.  Remove $(INCLUDES) from all the rules, if following
6872         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6874 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6876         PR middle-end/23484
6877         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6878         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6879         not constant, but maxlen is, don't set len to maxlen, rather
6880         set maxlen to len if len is a constant.
6882 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6884         PR tree-optimization/23475
6885         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6886         and counts.
6888 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6890         Fix PR middle-end/22455
6892         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6893         Checksum only the parts of the tree that exist for the tree code.
6895 2005-08-28  Dale Johannesen  <dalej@apple.com>
6897         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6899 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6901         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6903 2005-08-28  Richard Henderson  <rth@redhat.com>
6905         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6906         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6907         of char_type_node.
6909 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6911         PR ada/23593
6912         * builtins.c (get_memory_rtx): Don't strip nops
6913         in between COMPONENT_REFs.
6915 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6917         PR middle-end/23463
6918         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6919         types.
6920         (gimplify_modify_expr): Check for zero sized types and gimplify the
6921         rhs and lhs as statements.
6923 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6925         PR libgcj/23508
6926         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6927         state for return address column of signal frames.
6929 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6931         PR target/23539
6932         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6933         bytes >= 2 not bytes == 2.
6934         (expand_block_move): Same.
6936 2005-08-27  Richard Guenther  <rguenther@suse.de>
6938         PR target/23575
6939         * config/i386/sse.md (sse2_movsd): Add missing closing
6940         braces.
6942 2005-08-27  Paul Brook  <paul@codesourcery.com>
6944         * genrecog.c (enum decision_type): Add DT_num_insns.
6945         (struct decision_test): Add u.num_insns.
6946         (add_to_sequence): Add DT_num_insns test.
6947         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6948         (write_cond, debug_decision_2): Ditto.
6949         (change_state): Assume peep2_next_insn never fails.
6950         Remove "afterward" argument.
6951         (write afterward, write_tree): Update to match.
6952         * recog.c (peep2_current_count): New variable.
6953         (peep2_next_insn): Check it.
6954         (peephole2_optimize): Set peep2_current_count.
6955         * recog.h (peep2_current_count): Declare.
6957 2005-08-26  Josh Conner  <jconner@apple.com>
6959         PR middle-end/23584
6960         * ipa-pure-const.c (check_tree): Check for volatile-ness
6961         when considering a dereference.
6963 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6965         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6967 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6969         PR rtl-optimization/23561
6970         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6971         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6972         at most LEN bytes long memory fits into the field.
6973         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6974         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6975         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6977 2005-08-26  Richard Henderson  <rth@redhat.com>
6979         PR rtl-opt/23560
6980         * loop.c (biased_biv_may_wrap_p): New.
6981         (maybe_eliminate_biv_1): Use it to suppress non-equality
6982         comparison transformations.  Delete disabled code.
6984 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6986         * combine.c (make_extraction): Avoid reference outside object.
6988 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6990         * stor-layout.c (finalize_type_size): Restore behaviour for
6991         non-aggregate types to the status quo ante of the patch for
6992         pr 23467.  Document why it matters.
6994 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6996         PR c/23506
6997         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6998         array by one element, initialize the BT_LAST element with NULL.
7000 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7002         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7003         optimizing for size.
7004         (plus_eqsi): Same.
7005         (compare_plus_eqsi): Same.
7006         (plus_eqsi_compare): Same.
7007         (neg_eq0<mode>): Same.
7008         (neg_eq<mode>): Same.
7010         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7011         PROCESSOR_POWER4.
7013 2005-08-26  Nick Clifton  <nickc@redhat.com>
7015         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7016         TARGET_EP is not defined.
7017         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7018         TARGET_EP is enabled.
7019         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7020         * config/v850/v850.md (save_all_interrupt): Only use the EP
7021         register if TARGET_EP is defined.
7022         (restore_all_interrupt): Likewise.
7023         * config/v850/lib1funcs.asm: Update functions so that the EP
7024         register is only used if __EP__ is defined.
7026 2005-08-26  David Ung  <davidu@mips.com>
7028         * config/mips/mips.c (mips_expand_prologue): Handle case when
7029         generating for MIPS16 and the outgoing argument area is more than
7030         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7031         add instruction.
7033 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7035         * config/crx/crx.md: Make doloop_end pattern usage controllable
7036         via mloop-nesting=<max-nesting> command line switch. Make sure
7037         the combiner cannot use doloop_end_<mode> in an illegal way.
7038         * config/crx/crx.c: Use regs up to r6 for argument passing.
7039         Refine crx_address_cost (non cst4 displacements are expensive).
7040         * config/crx/crx.opt: Add switch for mloop-nesting=.
7042 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7044         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7045         (UNSPEC_MVST): New constant.
7047 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7049         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7050         Reject operands containing eliminable registers.
7051         * testsuite/gcc.dg/20050825-1.c: New testcase.
7053 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7054             Jan Hubicka  <jh@suse.cz>
7056         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7058 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7060         PR tree-optimization/23546
7061         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7062         and REAL_CST nodes.
7064 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7066         * params.def (PARAM_MIN_SPEC_PROB): New.
7067         * sched-rgn.c (MIN_PROBABILITY): Delete.
7068         (compute_trg_info): Convert to PARAM_VALUE.
7069         * doc/invoke.texi (param): Document min-spec-prob.
7071 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7073         * config/darwin.h: define __PIC__
7074         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7075         TARGET_OS_CPP_BUILTINS macro.
7077 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7079         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7080         yesterday.
7082 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7084         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7085         to duplicate_block.
7086         * cfghooks.c (duplicate_block): Added position where to place
7087         new block as argument.
7088         * cfghooks.h (duplicate_block): Declaration changed.
7089         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7090         duplicate_block.
7091         * cfglayout.h (copy_bbs): Declaration changed.
7092         * cfgloop.h (loop_version): Declaration changed.
7093         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7094         position to copy_bbs.
7095         (loop_version): Pass position to duplicate_loop_to_header_edge.
7096         Add place_after argument and position new blocks according to
7097         it.
7098         * modulo-sched.c (sms_schedule): Pass place_after argument
7099         to loop_version.
7100         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7101         * tree-cfg.c (split_edge_bb_loc): New function.
7102         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7103         to determine position of new blocks.
7104         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7105         to loop_version.
7106         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7107         argument to duplicate_block.
7108         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7109         Pass position to copy_bbs.
7111 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7113         * fold-const.c (ptr_difference_const): Use
7114         cst_and_fits_in_hwi instead of host_integerp.
7116 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7118         * config/darwin.c (gen_pic_offset): New.
7119         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7120         Use it.
7122 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7124         PR tree-optimization/23486
7125         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7127 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7129         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7130         remove use_collect2.
7131         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7133         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7134         configuration files to override the default value.
7136         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7137         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7138         * config/vx-common.h:  New file, split out from...
7139         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7140         * config/vxworksae.h:  New file, for VxWorks AE.
7141         * config/vxworks.opt:  New file.
7142         * config/vxlib.c:  Update for VxWorks 6.
7144         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7145         other MULTILIB_* variables appropriately.
7146         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7147         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7148         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7149         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7151 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7153         PR target/20799
7154         * config/darwin.c (machopic_select_section): Remove the hack to
7155         mark "::operator new" and "::operator delete" for coalescing
7156         even though they are not weak.
7158 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7160         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7161         * configure: Regenerate.
7163 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7165         PR middle-end/23517
7166         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7167         between vectors.
7168         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7169         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7170         Likewise.
7172 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7174         * config/rs6000/predicates.md (equality_operator): New.
7175         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7176         comparison with a large constant.
7178 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7180         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7182 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7184         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7185         registers is even, and we have a hardware double precision fp,
7186         align the buffer.
7187         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7188         size of current argument when checking if argument was passed in
7189         registers.
7191         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7193         PR middle-end/23467
7194         * stor-layout.c (finalize_type_size): Dont override
7195         existing alignment with a smaller alignment from the mode.
7197 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7199         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7200         * lambda.h (lambda_vector_lexico_pos): ... here.
7201         * tree-data-ref.c (build_classic_dist_vector): Return false when
7202         the distance vector is lexicographically negative.
7204 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7206         PR tree-optimization/23511
7207         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7208         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7210 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7212         PR tree-optimization/22043
7213         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7214         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7215         If ALLOW_FLEXARR, handle types ending with flexible array member.
7216         Pass false as second argument to recursive count_type_elements calls.
7217         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7218         argument to count_type_elements call.
7219         * tree-sra.c (decide_block_copy): Likewise.
7220         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7221         for a constant-sized object, set cleared as well.  Pass true as
7222         second argument to count_type_elements call.
7224 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7226         PR target/21571
7227         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7228         from legitimate_small_data_p, and make global.  Update use.
7229         Remove forward declaration.
7230         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7231         Declare.
7232         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7234 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7236         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7237         of scratch intermediates.
7238         (eq<mode>_compare): Same.
7239         (neg_eq0<mode>): New.
7240         (neg_eq<mode>): Convert to define_insn_and_split.
7242 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7244         PR target/23070
7245         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7246         stdarg functions, set/clear the fp marker even when no variable
7247         args are passed.
7248         * config/rs6000/sysv4.opt (mprototype): Describe.
7250 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7252         PR rtl-optimization/23478
7253         * regs.h (reg_info): Add throw_calls_crossed.
7254         (REG_N_THROWING_CALLS_CROSSED): Define.
7255         * flow.c (allocate_reg_life_data): Initialize
7256         REG_N_THROWING_CALLS_CROSSED.
7257         (propagate_one_insn, attempt_auto_inc): Update
7258         REG_N_THROWING_CALLS_CROSSED.
7259         * global.c (global_alloc): Don't allocate pseudos across
7260         calls that may throw.
7262 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7264         PR c/18715
7265         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7266         value is inbetween the range if we did not find an exact match.
7268 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7270         * doc/invoke.texi (Option Summary): Add ms1 options.
7271         * doc/extend.texi: Document interrupt handler attribute for ms1.
7272         * doc/md.texi: Document ms1 constraints.
7273         * config.gcc: Add ms1-*-elf.
7274         * config/ms1/ms1.h: New.
7275         * config/ms1/ms1.c: New.
7276         * config/ms1/ms1.md: New.
7277         * config/ms1/ms1-protos.h: New.
7278         * config/ms1/ABI.txt: New.
7279         * config/ms1/crti.asm: New.
7280         * config/ms1/crtn.asm: New.
7281         * config/ms1/lib2extra-funcs.c: New.
7282         * config/ms1/t-ms1: New.
7283         * config/ms1/ms1.opt: New.
7285 2005-08-22 Ira Rosen <irar@il.ibm.com>
7287         * config/rs6000/altivec.md (xorv4sf3): New.
7288         (negv4sf2, neg<mode>2): Likewise.
7290 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7292         PR target/23485
7293         * config/ia64/ia64.md (divsi3): Check divide by zero.
7294         (udivsi3): Likewise.
7295         (divdi3): Likewise.
7296         (udivdi3): Likewise.
7298 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7300         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7301         up to elem_bitsize bits, not max_bitsize.
7303 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7305         PR tree-optimization/23433
7306         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7307         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7309 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7311         PR tree-optimization/23434
7312         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7313         the iteration bound is not an INTEGER_CST.
7315 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7317         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7318         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7319         NULL if need_epilog_adjust is false.
7320         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7321         Case 3 always peels first itration, not just for PLUS case, and no need
7322         to use scalar_initial_def here. Create an epilog adjustment only if
7323         scalar_initial_def is not NULL.
7325         (vectorizable_reduction): Remove assert.
7327 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7329         PR target/23485
7330         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7331         (__moddi3): Likewise.
7332         (__udivdi3): Likewise.
7333         (__umoddi3): Likewise.
7334         (__divsi3): Likewise.
7335         (__modsi3): Likewise.
7336         (__udivsi3): Likewise.
7337         (__umodsi3): Likewise.
7339 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7341         * tree-pass.h (TDF_GRAPH): Define.
7342         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7343         * passes.c (finish_optimization_passes): Only call
7344         finish_graph_dump_file if TDF_GRAPH is set.
7345         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7346         NULL.  Set TDF_GRAPH bit.
7347         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7349 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7351         * arm.h (arm_stack_offsets): Add locals_base field.
7352         * arm.c (arm_get_frame_offsets): Compute it.
7353         (thumb_compute_initial_elimination offset): Make the Thumb frame
7354         pointer point to the base of the local variables.
7355         (thumb_expand_prologue): Update accordingly.
7356         (thumb_expand_epilogue): Likewise.
7358         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7359         mode of clobbered scratch to DImode.  Handle a case that's known to
7360         need this.
7362 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7364         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7365         (gt0<mode>_compare): Delete.
7366         (neg_gt0<mode>): Delete.
7368 2005-08-19  Eric Christopher  <echristo@apple.com>
7370         * optabs.h: Change CTI_ to COI_.
7371         * optabs.c: Ditto.
7373 2005-08-19  James E Wilson  <wilson@specifix.com>
7375         * builtins.c (expand_builtin_return_addr): Set
7376         current_function_accesses_prior_frames when count != 0.  Use
7377         frame_pointer_rtx when count == 0.
7378         * function.h (struct function): Add accesses_prior_frames field.
7379         (current_function_accesses_prior_frames): Define.
7380         * reload1.c (init_elim_table): Check
7381         current_function_accesses_prior_frames.
7382         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7384 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7386         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7387         indicator.  Return true if the flowgraph changed during
7388         cleanup.
7390 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7392         PR 23476
7393         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7394         conditional expression before testing its value.
7396 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7398         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7400 2005-08-19  Devang Patel  <dpatel@apple.com>
7402         PR tree-optimization/23048
7403         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7404         third parameter. Check whether latch is dominated by exit
7405         block or not.
7406         (if_convertible_loop_p): Supply exit block itself to
7407         if_convertible_bb_p.
7409 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7411         PR target/23473
7412         * arm.md (arm_load_pic_register): Change argument to the mask of
7413         saved registers.  Call thumb_find_work_register if we need a
7414         scratch register on Thumb.
7415         (arm_expand_prologue): Pass empty register set to
7416         arm_load_pic_register.
7417         (thumb_expand_prologue): Pass live_regs_mask directly to
7418         arm_load_pic_register.
7419         * arm-protos.h (arm_load_pic_register): Update prototype.
7421 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7423         * sh.c (find_sole_member): New function.
7424         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7425         if the record's alignment is larger than the size of its only member.
7427 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7429         PR target/23436
7430         * arm.c (thumb_legitimize_reload_address): New function.
7431         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7432         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7434 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7436         * config/crx/crx.c: Implement crx_decompose_address. Reject
7437         symbolic displacements since CRX register relative adressing
7438         mode can't handle unsigned 32-bit values as displacements.
7439         * config/crx/crx.h: Simplify definitions, remove redundant
7440         parenthesis and obsolete macros.
7441         * config/crx/crx.opt: Add new switch for debugging addresses.
7442         * config/crx/crx-protos.h: Add new declarations for above.
7444 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7446         PR middle-end/20624
7447         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7448         looking past it.
7450 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7452         * collect2.c (dup2): Delete.
7453         * configure.ac: Don't check for dup2.
7455         * config.in, configure: Regenerate.
7457 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7459         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7460         record with the type of its only member.
7462 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7464         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7465         define_insn_and_split.
7466         (plus_ltu<mode>_compare): Same.
7467         (gtu<mode>_compare): Same.
7468         (plus_gtu<mode>_compare): Same.
7470 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7472         PR tree-optimization/22228
7473         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7474         todo_flags_start.
7475         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7476         are recorded in vect_vnames_to_rename for renaming.
7477         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7478         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7479         in vect_vnames_to_rename.
7480         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7481         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7483 2005-08-18  Jan Hubicka  <jh@suse.cz>
7485         PR c++/22034
7486         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7487         info only for local statics, not for member variables.
7489 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7491         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7493 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7495         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7497 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7499         PR middle-end/16045
7500         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7502 2005-08-17  James E Wilson  <wilson@specifix.com>
7504         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7505         array size check.
7507 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7509         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7510         (leu<mode>_compare): Same.
7511         (plus_leu<mode>): Same.
7512         (neg_leu<mode>): Same.
7513         (and_neg_leu<mode): Same.
7514         (ltu<mode>_compare): Same.
7515         (plus_ltu<mode>): Same.
7516         (geu<mode>): Same.
7517         (geu<mode>_compare): Same.
7518         (plus_geu<mode>): Same.
7519         (neg_geu<mode>): Same.
7520         (and_neg_geu<mode>): Same.
7521         (plus_gt<mode>): Same.
7522         (gtu<mode>_compare): Same.
7523         (plus_gtu<mode>): Same.
7525 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7527         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7528         Move call_table_data to end.  Delete spurious .text.
7529         (callt_save_all_interrupt): Fix comment typo.
7531 2005-08-17  James E Wilson  <wilson@specifix.com>
7532             Kevin Winchester  <winchester@amirix.com>
7534         PR target/21684
7535         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7537 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7539         PR target/23268
7540         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7541         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7543 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7545         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7546         record with the type of its only member if the modes don't match.
7548         * varasm.c (decode_reg_name): Skip empty additional register names.
7550 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7552         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7553         lsm_tmp_name_length): New.
7554         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7555         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7557 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7558             Andreas Krebbel  <krebbel1@de.ibm.com>
7560         * config.gcc: Added z9-109 switch.
7561         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7562         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7563         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7564         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7565         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7566         for "z9_109" cpu attribute.
7567         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7568         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7569         (s390_handle_arch_option): Added z9-109 switch.
7570         (override_options): Set respective cost function for z9-109.
7571         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7572         (legitimate_reload_constant_p): Accept extended immediates.
7573         (print_operand): Three new output modifiers added: k, m and o.
7574         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7575         (s390_output_mi_thunk): Use extended immediate when possible.
7576         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7577         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7578         (CONSTRAINT_LEN): Added length of O constraint.
7579         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7580         * config/s390/s390.md ("cpu"): New value z9_109 added.
7581         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7582         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7583         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7584         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7585         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7586         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7587         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7588         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7589         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7590         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7591         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7592         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7593         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7594         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7595         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7596         immediates.
7597         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7598         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7599         insns for TARGET_EXTIMM.
7601 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7603         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7605 2005-08-17  Nick Clifton  <nickc@redhat.com>
7607         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7608         Call default_encode_section_info.
7610 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7612         PR tree-optimization/21574
7613         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7614         constant, return CONSTANT.
7615         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7616         (ccp_fold, visit_assignment): Likewise.
7617         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7619 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7621         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7622         fold_buildN instead of buildN then fold_initializer or fold.
7623         (build_unary_op): Likewise.
7624         (build_binary_op): Likewise.
7625         * fold-const.c (fold_initializer): Remove.
7626         (fold_build1_initializer): New function.
7627         (fold_build2_initializer): New function.
7628         (fold_build3_initializer): New function.
7629         * tree.h (fold_initializer): Remove.
7630         (fold_build1_initializer): New function.
7631         (fold_build2_initializer): New function.
7632         (fold_build3_initializer): New function.
7634 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7636         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7637         (try_move_mult_to_index): Call fold_build2 instead of build2.
7638         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7639         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7640         fold_binary_to_constant.
7641         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7642         fold (build.
7643         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7644         check if A == gcd (A, B).  Remove TYPE argument.
7645         (analyze_offset) Use fold_build2 instead of fold (build.
7646         (create_data_ref): Likewise.
7647         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7648         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7649         then fold.
7651 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7653         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7654         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7656 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7658         PR tree-opt/23402
7659         * gimplify.c (zero_sized_type): New function.
7660         (gimplify_modify_expr_rhs): If we have a zero sized type,
7661         replace the statement with an empty statement.
7663 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7665         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7666         fxsave.
7668 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7670         * doc/tm.texi (Label Output): Correct typo.
7672 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7674         PR target/23376
7675         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7676         force_operand will work later on using have_insn_for.
7678 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7680         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7682 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7684         PR c++/23337
7685         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7686         vector type, don't try to construct it element by element.  Add an
7687         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7689 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7691         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7693 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7695         * doc/invoke.texi (Precompiled Headers): Document some more options
7696         which are known to be safe.
7698 2005-08-16  James E Wilson  <wilson@specifix.com>
7700         PR tree-optimization/21105
7701         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7702         TREE_OVERFLOW check.
7704 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7706         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7707         (neg_ltu<mode>): Same.
7708         (gtu<mode>): Same.
7709         (neg_gtu<mode>): Same.
7711 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7713         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7714         (fold_builtin_isdigit): Use fold_buildN.
7715         (build_function_call_expr): Likewise.
7716         * c-typeck.c (c_finish_loop): Likewise.
7718 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7719             Richard Shann <rshann@superh.com>
7721         PR middle-end/20396:
7722         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7724 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7726         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7728 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7730         PR target/23355
7731         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7732         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7733         must be saved.
7735 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7737         PR middle-end/23369
7738         * fold-const.c (build_range_check): Disable optimization for function
7739         pointer expressions on targets that require function pointer
7740         canonicalization.
7742 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7744         * simplify-rtx.c (simplify_const_relational_operation): When
7745         extracting arguments of a COMPARE, recompute the mode as well.
7747 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7749         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7751 2005-08-15  DJ Delorie  <dj@redhat.com>
7753         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7754         the stack.
7755         (movsi_splittable): Allow, but split, moves to the stack.
7756         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7757         stack.
7759 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7761         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7762         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7763         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7765         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7766         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7767         Delete HOST_PTR_PRINTF.
7769         * configure, config.in: Regenerate.
7771 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7773         * config/rs6000/rs6000.md (QHSI): New mode macro.
7774         (wd): Extend mode attr for QImode and HImode
7775         (dbits): New mode attr.
7776         (zero_extend<mode>di2): Convert to mode macro.
7778 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7780         PR target/21841
7781         * doc/invoke.texi (-mgnu-ld): Update description.
7782         (-mhp-ld): Ditto.
7784 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7786         PR 23391
7787         * Makefile.in (tree-chrec.o): Depends on real.h.
7788         * tree-chrec.c: Include real.h.
7789         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7790         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7791         * tree-scalar-evolution.c (add_to_evolution_1,
7792         interpret_rhs_modify_expr): Ditto.
7794 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7796         PR 23386
7797         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7798         step is negative compute the estimation from init downwards to zero.
7800 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7802         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7804 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7806         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7807         constraint.
7808         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7809         Accept double-word constants that can be split.
7810         * config/s390/s390.md ("movti"): Use 'P' constraint.
7811         ("*movdi_31", "*movdf_31"): Likewise.
7813 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7815         Fix PR tree-optimization/22615
7817         * tree-ssa-structalias.c (solution_set_add): Handle
7818         first_vi_for_offset returning NULL.
7819         (do_da_constraint): Ditto.
7820         (do_sd_constraint): Ditto.
7821         (do_ds_constraint): Ditto
7822         (find_func_aliases): Ditto.
7823         (build_constraint_graph): RHS is allowed be ANYTHING.
7824         (first_vi_for_offset): Return NULL if we couldn't find anything at
7825         the offset.
7827 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7829         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7830         over memory as first operand.
7832 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7834         PR target/23360
7835         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7836         available for setting it.
7838 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7840         PR tree-optimization/23320
7841         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7842         data-refs' types instead of base object nullness. Add check for
7843         pointer type data-refs before first location comparison. Remove
7844         assert.
7846 2005-08-14  Andreas Schwab  <schwab@suse.de>
7848         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7850 2005-08-13  James E Wilson  <wilson@specifix.com>
7852         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7853         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7854         -fstack-protector-all, --param ssp-buffer-size): Document.
7855         (-Wvariadic-macros): Alphabetize.
7856         (-fsched-stalled-insns-dep): Add missing 'f'.
7858         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7859         macros.
7861 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7863         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7864         or indirect address operand.
7865         (EXTRA_ADDRESS_CONSTRAINT): New.
7866         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7868 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7870         PR tree-optimization/22236
7871         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7872         successors and predecessors.
7873         * tree-chrec.c (chrec_convert): Before converting, check that
7874         sequences don't wrap.
7875         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7876         (analyze_array): Extern.
7877         (find_data_references_in_loop): Remove call to
7878         compute_estimated_nb_iterations.
7879         * tree-data-ref.h (analyze_array): Declared.
7880         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7881         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7882         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7883         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7884         condition.
7885         * tree-ssa-loop-ivcanon.c: Fix documentation.
7886         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7887         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7888         (infer_loop_bounds_from_undefined): New.
7889         (estimate_numbers_of_iterations_loop): Use
7890         infer_loop_bounds_from_undefined.
7891         (used_in_pointer_arithmetic_p): New.
7892         (scev_probably_wraps_p): Pass an extra parameter.  Call
7893         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7894         (convert_step): Fix documentation.
7895         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7896         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7897         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7898         scev_probably_wraps_p.
7900 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7902         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7903         (s390_register_info): Ignore clobbered_regs information for fixed
7904         registers, and only fixed registers.
7905         (s390_init_frame_layout): Remove redundant call.
7907 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7909         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7910         description of -Wold-style-casts.
7912 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7913             Jakub Jelinek  <jakub@redhat.com>
7915         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7916         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7917         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7918         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7919         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7920         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7921         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7922         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7923         ("stack_protect_set", "stack_protect_test"): New expanders.
7924         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7925         "stack_protect_testdi"): New insn definitions.
7927 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7929         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7931 2005-08-12  Paul Brook  <paul@codesourcery.com>
7933         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7935 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7937         * config/s390/predicates.md (setmem_operand): New predicate.
7938         (shift_count_operand): Accept ANDs with special constants as
7939         operand.
7940         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7941         with special constants.
7942         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7943         shift_count_operand with setmem_operand.
7945 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7947         * config/s390/s390.c (s390_extract_part, s390_single_part):
7948         Type cast added.
7949         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7950         (s390_output_mi_thunk): Don't use lg on 31 bit.
7951         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7952         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7954 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7956         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7957         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7958         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7959         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7960         with one of the new macros.
7962 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7964         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7965         Don't set save_return_addr_p.
7966         (s390_register_info): Make clobbered_regs not depending on
7967         save_return_addr_p.
7969 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7971         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7972         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7974 2005-08-11  James E. Wilson  <wilson@specifix.com>
7976         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7978 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7980         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7981         locations gathered by var-tracking in single entry loc_list
7982         over loc_descriptor_from_tree.
7984         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7985         pass it down to loc_descriptor.
7986         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7987         (containing_function_has_frame_base): Move earlier in the file.
7988         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7989         instead of always assuming fbreg can't be used.
7991 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7993         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7994         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7995         Accept address wrapped in AND for Altivec.
7996         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7997         Strip AND wrapping offset address for Altivec.
7999 2005-08-11  Richard Henderson  <rth@redhat.com>
8001         PR middle-end/23312
8002         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8003         before using TYPE_IS_SIZETYPE.
8005 2005-08-11  Richard Henderson  <rth@redhat.com>
8007         PR target/22225
8008         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8009         insn types not present on ev4.
8010         (alphaev5_insn_pipe): Similarly.
8012 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8014         PR target/23250
8015         * arm.c (arm_override_options): If the user has selected callee-super-
8016         interworking, then enable normal interworking.
8018 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8020         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8021         redefinition.
8023 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8025         * doc/rtl.texi: Fix two typos.
8027 2005-08-11  Richard Guenther  <rguenther@suse.de>
8029         PR target/23289
8030         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8031         cases where we call to/from functions returning void.
8033 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8035         PR c++/23225
8036         * tree.c (build_pointer_type_for_mode): Robustify.
8038 2005-08-10  James E Wilson  <wilson@specifix.com>
8040         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8041         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8043         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8044         "cum->".
8046 2005-08-10  Eric Christopher  <echristo@apple.com>
8048         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8049         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8050         V2DFmode.
8052 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8054         PR target/21887
8055         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8056         for the high part when generating dynamic-no-pic code.
8058 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8060         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8061         (x86_64-*-linux*): Likewise.
8063         * config/i386/crtfastmath.c: New file.
8064         * config/i386/t-crtfm: Likewise.
8066         * config/i386/linux.h (ENDFILE_SPEC): New.
8067         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8069         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8070         crtfastmath.o.
8072 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8074         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8075         (vec_shl, vec_shr): Document new operations.
8076         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8078 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8080         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8081         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8082         change predicate to indexed_or_indirect_address.
8084 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8086         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8087         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8088         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8089         and __aeabi_uwrite8.
8090         * config/arm/unaligned-funcs.c: New file.
8091         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8093 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8095         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8096         Add dump.
8097         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8098         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8099         Add dump.
8100         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8101         * final.c (pass_shorten_branches): Add dump.
8102         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8103         (pass_life): Rename dump.
8104         (rest_of_handle_flow2): Remove initial verify_flow_info.
8105         * function.c (pass_instantiate_virtual_regs): Add dump.
8106         * integrate.c (pass_initial_value_sets): Add dump.
8107         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8108         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8109         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8110         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8111         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8112         gate_rtl_unrool_and_peel_loops): New.
8113         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8114         rtl_doloop): Do not look at flags.
8115         * mode-switching.c (pass_mode_switching): Add dump.
8116         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8117         pass_split_before_regstack): Add dump.
8118         * regmove.c (pass_stack_adjustments): Add dump.
8119         * tree-optimize.c (pass_fixup_cfg): Add dump.
8121 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8123         PR 23309
8124         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8125         deciding which instruction sequence to use.
8127 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8129         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8130         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8132 2005-08-09  Richard Guenther  <rguenther@suse.de>
8134         * c-common.c (builtin_function_2): Remove.
8135         (def_builtin_1): New function.
8136         (c_common_nodes_and_builtins): Use def_builtin_1 to
8137         build builtin functions.
8139 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8141         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8142         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8143         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8144         Visual DSP.
8146 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8148         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8149         fold_binary instead of fold_build2 since we don't care about the
8150         resulting tree.
8151         (loop_niter_by_eval): Likewise.
8152         (compare_trees): Likewise.
8153         (proved_non_wrapping_p): Likewise.
8155 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8157         PR c/23161
8158         PR c/23165
8159         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8160         if the if is really empty.
8162 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8164         PR tree-optimization/23234
8165         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8166         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8167         argument of the new enum.
8168         (execute_cse_reciprocals): Add reciprocals for function arguments
8169         on the unique successor edge of the entry block.  Update other calls
8170         to execute_cse_reciprocals_1.
8172 2005-08-08  Richard Henderson  <rth@redhat.com>
8174         PR 22439
8175         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8177 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8179         * expr.c (write_complex_part): Return after handling MEM.
8181 2005-08-08  Josh Conner  <jconner@apple.com>
8183         PR rtl-optimization/23241
8184         * combine.c (simplify_comparison): Fix error in determining
8185         whether to lift a subreg from comparison.
8187 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8189         PR target/18506
8190         * config/rs6000/altivec.md (vec_init<mode>): New.
8191         (vec_set<mode>): New.
8192         (vec_extract<mode>): New.
8193         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8194         (rs6000_expand_vector_set): New.
8195         (rs6000_expand_vector_extract): New.
8196         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8197         for Altivec modes before reload.
8198         (altivec_expand_vec_init_builtin): New.
8199         (get_element_number): New.
8200         (altivec_expand_vec_set_builtin): New.
8201         (altivec_expand_vec_ext_builtin): New.
8202         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8203         builtins.
8204         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8205         builtins.
8206         * config/rs6000/rs6000.h (rs6000_builtins): Add
8207         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8208         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8209         * config/rs6000/rs6000-protos.h: Declare new functions.
8211 2005-08-08  Jan Hubicka  <jh@suse.cz>
8213         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8214         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8215         * i386.md (movdi*): Use pic_32bit_operand.
8216         * predicates.md (pic_32bit_operand): New.
8218 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8220         PR c++/21166
8221         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8223 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8225         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8226         (test_for_singularity): Use fold_build2.
8228 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8230         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8232 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8234         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8235         (COMMON_ASM_OP) Define.
8236         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8237         (ix86_encode_section_info): Likewise.
8238         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8239         SUBTARGET_ENCODE_SECTION_INFO.
8241 2005-08-06  Richard Henderson  <rth@redhat.com>
8243         PR 21894
8244         * tree-nested.c (convert_local_reference): Save and restore val_only
8245         around component_ref and friends.  Clear walk_subtrees by default.
8247 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8249         PR 21366
8250         * gcc.c (process_command): Check the argument to -b has a dash.
8251         * doc/invoke.texi: Update -b and -V docs.
8253 2005-08-06  James E Wilson  <wilson@specifix.com>
8255         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8257 2005-08-06  Michael Matz  <matz@suse.de>
8259         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8260         member only if only one insn is associated with the value.
8262 2005-08-06  Nick Clifton  <nickc@redhat.com>
8264         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8265         New define.
8266         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8267         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8268         Check symbol flags instead of symbol name mangling.
8269         (xstormy16_asm_output_aligned_common): Likewise.  Also
8270         simplify code since the bss100_section cass is the only case
8271         where the below100 code will be triggered.
8272         (xstormy16_encode_section_info): Encode below100 attribute
8273         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8274         the name.
8275         (xstormy16_strip_name_encoding): Delete - this function is no
8276         longer needed.
8277         (TARGET_STRIP_NAME_ENCODING): Undefine.
8278         * config/stormy16/stormy16-protos.h: Delete prototype for
8279         xstormy16_strip_name_encoding.
8281 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8283         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8284         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8285         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8286         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8287         config/alpha/predicates.md, config/arc/arc.h,
8288         config/arm/arm.h, config/arm/ieee754-df.S,
8289         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8290         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8291         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8292         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8293         config/m68hc11/m68hc11.h, config/mips/mips.c,
8294         config/mips/mips.h, config/mips/openbsd.h,
8295         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8296         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8297         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8298         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8299         config/sparc/linux.h, config/sparc/linux64.h,
8300         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8301         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8302         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8303         typos.  Follow spelling conventions.
8305 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8307         PR c/23113
8308         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8309         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8310         specially.  Check for side effects only for COND_EXPR.
8311         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8312         return with TREE_NO_WARNING.
8314 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8316         PR rtl-optimization/23233
8317         * loop.c (combine_movables): Require the modes to be the same.
8318         (move_movables): Remove handling of cases where the replacement
8319         had a different mode to the original.
8321 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8323         PR tree-optimization/23128
8324         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8325         subtraction wrap, and set TREE_OVERFLOW if they do.
8327 2005-08-05  Richard Henderson  <rth@redhat.com>
8329         PR 21728
8330         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8331         FORCED_LABEL labels.
8333 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8335         PR middle-end/23135
8336         * reload.c (find_reloads_subreg_address): Pass down TYPE
8337         unchanged.  Change all callers except find_reloads_toplev.
8339 2005-08-05  Michael Matz  <matz@suse.de>
8341         * genattrtab.c (current_alternative_string): Remove.
8342         (SIMPLIFY_ALTERNATIVE): Ditto.
8343         (attr_alt_bit_p): Ditto.
8344         (alternative_name): Make const char *.
8345         (evaluate_eq_attr): Remove use of above things.
8346         (simplify_test_exp): Ditto.
8347         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8348         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8350 2005-08-04  James E Wilson  <wilson@specifix.com>
8352         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8353         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8354         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8355         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8356         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8358 2005-08-04  Richard Henderson  <rth@redhat.com>
8360         PR 21529
8361         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8362         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8363         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8364         if we'd have to instantiate too many members.
8366 2005-08-04  Richard Henderson  <rth@redhat.com>
8368         PR 21291
8369         * tree-outof-ssa.c (coalesce_asm_operands): New.
8370         (coalesce_ssa_name): Use it.  Split out ...
8371         (coalesce_phi_operands, coalesce_result_decls): ... these.
8373 2005-08-04  Paul Brook  <paul@codesourcery.com>
8375         * read-rtl.c (read_quoted_string): Break if EOF.
8377 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8379         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8380         (fold_build2): Likewise.
8381         (fold_build3): Likewise.
8382         (fold_build1_stat): New function prototype.
8383         (fold_build2_stat): Likewise.
8384         (fold_build3_stat): Likewise.
8385         * fold-const.c (fold_build1): Rename to ..
8386         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8387         through to build1_stat.
8388         (fold_build2): Rename to ..
8389         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8390         through to build2_stat.
8391         (fold_build3): Rename to ..
8392         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8393         through to build3_stat.
8395 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8396             Ian Lance Taylor  <ian@airs.com>
8398         * function.c (assign_stack_local_1): Do not correct stack slot
8399         address if allocation size is smaller than mode size.
8401 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8403         PR 22037
8404         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8405         (tree_merge_blocks): Propagate anything allowed by
8406         may_propagate_copy.
8407         Clarify documentation.
8408         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8409         SSA form, schedule an update if necessary.
8411 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8413         * doc/install.texi (Binaries): Remove broken link to
8414         Sinix/Reliant Unix binaries.
8416 2005-08-03  Richard Henderson  <rth@redhat.com>
8418         PR 23221
8419         * function.c (stack_protect_epilogue): Export.
8420         * tree.h (stack_protect_epilogue): Declare.
8421         * calls.c (expand_call): Call it.
8423 2005-08-03  Eric Christopher  <echristo@apple.com>
8425         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8426         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8427         spec.
8429 2005-08-04  Jan Hubicka  <jh@suse.cz>
8431         * profile.c (branch_prob): Split edges with goto locus on them
8432         to get proper line counts.
8433         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8435 2005-08-03  Paul Brook  <paul@codesourcery.com>
8437         * function.c (assign_parms): Round current_function_args_size
8438         to PARM_BOUNDARY, not STACK_BOUNDARY.
8440 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8442         * config/i386/i386.c (x86_elf_aligned_common)
8443         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8445 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8447         PR tree-optimization/23157
8448         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8449         before emitting them.
8451 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8453         PR tree-optimization/19899
8454         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8455         * tree-scalar-evolution.c: Include real.h.
8456         (add_to_evolution): Build constant -1 of correct type.
8458 2005-08-03  Jan Hubicka  <jh@suse.cz>
8460         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8461         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8462         profile updating for complette unrolling.
8463         * loop-unroll.c (peel_loop_completely): Use it.
8464         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8465         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8466         loops.
8468 2005-08-03  Paul Brook  <paul@codesourcery.com>
8470         * combine.c (can_change_dest_mode): New function.
8471         (try_combine, simplify_set): Use it.
8473 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8475         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8476         TFmode to BLKmode.
8478 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8480         * doc/install.texi (Specific): Adjust link to openavr.org.
8481         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8482         (Binaries): Adjust HP-UX Porting Center link.
8483         (Binaries): Adjust Free Software Foundation ordering link.
8485 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8487         * convert.c (convert_to_integer): Use fold_build1 instead of
8488         build1 when converting an integer to an integer.
8490 2005-08-02  Richard Henderson  <rth@redhat.com>
8492         * combine.c (combine_instructions): Don't use reg_equal/equiv
8493         results if the mode doesn't match.
8495 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8497         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8498         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8500 2005-08-02  Richard Henderson  <rth@redhat.com>
8502         PR 23196
8503         * explow.c (memory_address): Remove special-case for
8504         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8506 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8508         PR 23164
8509         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8510         number of calls to cleanup_tree_cfg_1.
8512 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8514         * doc/invoke.texi: document file extensions .F90 and .F95
8516 2005-08-02  Richard Guenther  <rguenther@suse.de>
8518         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8519         positive if its first argument is positive.
8521 2005-08-02  Richard Guenther  <rguenther@suse.de>
8523         PR tree-optimization/23177
8524         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8525         on TMR_TAG.
8527 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8529         PR tree-optimization/23129
8530         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8531         varying for divisions with anti-ranges.
8533 2005-08-02  Jan Hubicka  <jh@suse.cz>
8535         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8536         * tree-ssa-threadupdate.c (thread_block): Add it here.
8538 2005-08-01  James E Wilson  <wilson@specifix.com>
8540         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8541         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8542         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8543         New.
8544         * config/mips/predicates.md (const_call_insn_operand): Add check for
8545         SYMBOL_REF_LONG_CALL_P.
8546         * doc/extend.texi (long_call): Document the new attribute.
8548 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8549             Richard Henderson  <rth@redhat.com>
8551         * Makefile.in (RTL_BASE_H): Add real.h.
8552         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8553         instead of memcpy.
8554         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8555         directly.
8556         * rtl.c (rtl_check_failed_code_mode): New.
8557         * rtl.h (struct rtx_def): Add u.rv.
8558         (XCMWINT, XCNMPRV): New.
8559         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8560         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8562 2005-08-01  Richard Henderson  <rth@redhat.com>
8564         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8565         with auto-inc codes.
8567         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8569 2005-08-01  Jan Hubicka  <jh@suse.cz>
8571         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8572         * i386.c: Include dwarf2.h
8573         (asm_preferred_eh_data_format): New.
8574         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8576 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8578         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8579         randomize_va_space for virtual address randomization control.
8581 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8583         * common.opt (flag_ipa_cp): Put in right place to maintain
8584         alphabetic sort.
8586 2005-08-01  Jan Hubicka  <jh@suse.cz>
8588         * profile.c (compute_value_histograms): Fix thinko.
8589         * value-prof.c: Include toplev.h
8590         (check_counter): New function.
8591         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8592         tree_mod_subtract_transform): Add sanity check.
8594 2005-08-01  Richard Guenther  <rguenther@suse.de>
8596         PR tree-optimization/23133
8597         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8598         current functions parameter decls to find defs to cse
8599         reciprocals of.
8601 2005-08-01  Richard Guenther  <rguenther@suse.de>
8603         PR tree-optimization/23109
8604         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8605         If trapping math is in effect, use post-dominator information
8606         to check if we'd in any case reach a trapping point before
8607         doing the reciprocal insertion.
8608         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8609         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8610         expressions are invariant only if trapping math is not in effect.
8612 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8614         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8615         cgraph_function_versioning): New declarations.
8616         * cgraphunit.c: Add include to ipa-prop.h.
8617         (update_call_expr, cgraph_copy_node_for_versioning,
8618         cgraph_function_versioning): New functions.
8619         * integrate.c (copy_decl_for_inlining): Remove.
8620         * ipa-prop.h (ipa_replace_map): New struct.
8621         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8622         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8623         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8624         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8625         ipcp_iterate_stage, ipcp_method_scale_print,
8626         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8627         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8628         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8629         ipcp_update_bb_counts, ipcp_update_profiling,
8630         ipcp_update_edges_counts): New functions.
8631         (ipcp_method_cval_init): Remove restriction regarding local methods.
8632         (ipcp_init_stage): Add ipcp_method_compute_scale.
8633         (ipcp_insert_stage): Add versioning.
8634         (ipcp_structures_print): Add ipcp_method_scale_print.
8635         (ipcp_driver): Dump profiling info.
8636         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8637         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8638         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8639         (struct inline_data): Add versioning_p, ipa_info, new fields.
8640         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8641         declare_return_variable): Replace calls to copy_decl_for_inlining with
8642         copy_decl_for_dup.
8643         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8644         versioning support.
8645         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8646         Add argument VERSIONING.
8647         (copy_arguments_for_versioning, copy_static_chain,
8648         function_versionable_p, tree_versionable_function_p,
8649         tree_function_versioning, replace_ref_tree): New functions.
8650         * tree-inline.h: Include varray.h.
8651         (tree_versionable_function_p,  tree_function_versioning,
8652         tree copy_decl_for_dup): New declarations.
8654 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8656         * ipa-cp.c: New file. Contains IPCP specific functionality.
8657         * ipa-prop.h: New file. Contains structures/definitions that can be
8658         used by several interprocedural data flow optimizations (and also IPCP).
8659         * ipa-prop.c: New file.
8660         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8661         * common.opt: Add ipa-cp flag.
8662         * timevar.def: Add IPCP optimization.
8663         * tree-optimize.c (init_tree_optimization_passes): Schedule
8664         pass_ipa_cp.
8665         * tree-pass.h (pass_ipa_cp): Declare.
8667 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8669         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8670         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8671         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8672         config/i386/i386.c, config/mips/mips.h,
8673         config/rs6000/rs6000.h, config/sh/sh.c,
8674         config/stormy16/stormy16.c: Fix comment typos.
8676 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8678         PR c/22311
8679         * c-typeck.c (build_binary_op): Use common_type wrapper on
8680         shortened types.
8681         (common_type): Update comment.
8683 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8685         PR target/23095
8686         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8687         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8688         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8690 2005-07-31  Jan Hubicka  <jh@suse.cz>
8692         * pretty-print.h (pp_widest_integer): New macro.
8693         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8694         counts.
8696 2005-07-31  Jan Hubicka  <jh@suse.cz>
8698         * output.h (enum section_category): Export from varasm.c
8699         (categorize_decl_for_section): Likewise.
8700         * varasm.c (enum section_category): Kill.
8701         (categorize_decl_for_section): Make global.
8702         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8703         Declare.
8704         * i386.c (ix86_section_threshold): New static variable.
8705         (ix86_in_large_data_p, ix86_encode_section_info,
8706         x86_64_elf_unique_section,
8707         x86_64_elf_select_section): New functions.
8708         (TARGET_ENCODE_SECTION_INFO): Define
8709         (override_options): Enable medium model for PIC.
8710         (ix86_expand_prologue): Expand gen_set_got_rex64.
8711         (legitimate_constant_p): Handle new UNSPECs.
8712         (legitimate_pic_address_disp_p): Likewise.
8713         (legitimize_pic_address): Lower MEDIUM model addressing.
8714         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8715         (enum cmodel): Add MEDIUM_PIC.
8716         (SYMBOL_REF_FAR_ADDR_P): New macro.
8717         (SYMBOL_FLAG_FAR_ADDR): New flag.
8718         * i386.md (movdi): Support medium model.
8719         (set_got_rex64): New pattern.
8720         * i386.opt (mlarge-data-threshold): New flag.
8721         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8722         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8723         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8724         TARGET_ASM_UNIQUE_SECTION): New.
8726         * invoke.texi (-mlarge_data_threshold): Document
8728 2005-07-31  Jan Hubicka  <jh@suse.cz>
8730         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8731         (coalesce_vars): Likewise.
8732         * tree-ssa-live.c (coalesce_cost): New.
8733         (build_tree_conflict_graph): Use coalesce_cost.
8734         * tree-ssa-live.h (coalesce_cost): Declare.
8736 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8738         * arm.md (all peepholes for post-increment operations): Delete.
8739         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8740         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8741         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8742         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8743         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8745 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8747         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8748         non-integral types.
8750 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8752         PR target/22582
8753         * doc/invoke.texi: Document -rdynamic.
8755 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8757         PR c/23143
8758         * c-parser.c (c_parser_parms_list_declarator): Call
8759         mark_forward_parm_decls.
8760         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8761         decls with visibility structure.
8763 2005-07-30  Paul Brook  <paul@codesourcery.com>
8765         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8767 2005-07-30  Paul Brook  <paul@codesourcery.com>
8769         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8770         prototype.
8771         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8772         value for mode.
8773         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8775 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8777         PR c/529
8778         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8779         nested function declarators.
8780         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8781         (grokparms): Call warn_if_shadowing for parameters used within the
8782         parameter list.
8783         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8784         not used within the parameter list.
8785         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8787 2005-07-30  Jan Hubicka  <jh@suse.cz>
8789         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8790         * i386.c (ix86_fixup_binary_operands): Likewise.
8791         (ix86_expand_unary_operator): Likewise.
8792         (ix86_expand_fp_absneg_operator): Likewise.
8793         * optabs.c (expand_vec_cond_expr): Validate dest.
8795 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8797         PR c/21720
8798         * real.c (real_from_string): Also set last bit if there is a
8799         nonzero hex digit beyond GCC's internal precision after ".".
8801 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8803         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8804         define_constants.  Change duplicate values to unassigned numbers.
8805         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8806         (*altivec_vspltsf): New.
8807         (altivec_vperm_v4sf): Delete.
8808         (altivec_vperm_<mode>): Use mode macro V.
8809         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8810         (altivec_predicate_v4sf): Delete.
8811         (altivec_predicate_<mode>): Use mode macro V.
8812         (*altivec_lvesfx): New.
8813         (*altivec_stvesfx): New.
8814         (vec_realign_load_v4sf): Delete.
8815         (vec_realign_load_<mode>): Use mode macro V.
8816         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8817         UNSPECV_SET_VRSAVE.
8819 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8821         PR bootstrap/23131
8822         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8823         string.
8824         * configure: Regenerated.
8826 2005-07-29  Paul Brook  <paul@codesourcery.com>
8828         * doc/install.texi: Add link to GFortran binaries wiki page.
8830 2005-07-29  David Ung  <davidu@mips.com>
8832         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8833         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8834         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8835         * config/mips/mips.md (cpu): Add 5kf name.
8836         (includes): Includes 5k.md.
8837         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8838         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8839         -march flag.
8841 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8843         PR 22550
8844         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8845         (cleanup_tree_cfg): ... here.
8846         Call cleanup_tree_cfg_1 until there are no more cleanups to
8847         do.
8849 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8851         * tree-vrp.c (compare_range_with_value): Return true or false
8852         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8853         EQ_EXPR respectively.
8855 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8857         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8858         Fix comment typos.
8860 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8862         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8863         (tree_ssa_dominator_optimize): Increment it.
8864         (dump_dominator_optimization_stats): Print it.
8866 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8867             Steven Bosscher  <stevenb@suse.de>
8869         PR rtl-optimization/23117
8870         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8871         when head == tail.  Tidy comment.
8873 2005-07-28  Richard Henderson  <rth@redhat.com>
8875         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8876         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8877         * jump.c (rtx_renumbered_equal_p): Likewise.
8878         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8879         CONST_INT and CONST_DOUBLE.
8880         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8881         * reload.c (operands_match_p): Special case CONST_INT and
8882         CONST_DOUBLE; check mode earlier.
8884 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8886         PR c/22240
8887         * c-typeck.c (convert_for_assignment): Do not check
8888         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8890 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8892         PR c/22192
8893         * c-typeck.c (composite_type): Prefer constant size arrays to
8894         VLAs.
8896 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8898         PR c/21720
8899         * real.c (real_from_string): Set last bit if there is a nonzero
8900         hex digit beyond GCC's internal precision.
8902 2005-07-28  Richard Henderson  <rth@redhat.com>
8904         PR rtl-opt/22619
8905         * cfgcleanup.c (try_forward_edges): Watch out for end of
8906         insn chain.
8908 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8910         PR c/23106
8911         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8913 2005-07-28  Jan Hubicka  <jh@suse.cz>
8915         * Makefile.in (rtl-profile.o): Kill all traces of it.
8916         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8917         * coverage.h (rtl_coverage_counter_ref): Kill.
8918         * opts.c (flag_speculative_prefetching_set): Kill.
8919         (flag_loop_optimize_set): New.
8920         (common_handle_option): Disable loop optimizer when profiling;
8921         do not handle speculative prefetching.
8922         * passes.c (init_optimization_passes): Replace pass_profiling combo
8923         by branch_prob pass.
8924         * profile.c (compute_value_histograms): Update for simplified value
8925         profiles.
8926         (rtl_register_profile_hooks): Kill.
8927         (pass_profiling): Kill.
8928         (rest_of_handle_branch_prob): Do not profile.
8929         * toplev.c (process_options): Remove speculative prefetching.
8930         * toplev.h (flag_tree_based_profiling): Kill.
8931         * tree-profile.c (prepare_instrumented_value,
8932         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8933         tree_gen_one_value_profiler, do_tree_profiling): Update for
8934         simplified datastructures.
8935         * value-prof.c: Add comment that speculative prefetching was dropped;
8936         update rest of file for simplified datastructures.
8937         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8938         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8939         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8940         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8941         rtl_mod_subtract, gen_speculative_prefetch,
8942         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8943         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8944         (gate_handle_value_profile_transformations,
8945         rest_of_handle_value_profile_transformations,
8946         pass_value_profile_transformations): Kill.
8947         * value-prof.h (histogram_value_t): Remove IL based unions.
8948         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8949         rtl_profile_hooks): Remove hooks.
8951         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8953         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8954         (cgraph_clone_node): Likewise.
8955         * cgraph.h (cgraph_clone_edge): Update prototype.
8956         (cgraph_clone_node): Likewise.
8957         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8958         cgraph_clone_node.
8959         (lookup_recursive_calls): Consider profile.
8960         (cgraph_decide_recursive_inlining): Fix updating; use new
8961         probability argument; use profile.
8962         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8963         * tree-inline.c (copy_bb): Update clal of clone_edge.
8964         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8966         * invoke.texi (min-inline-recursive-probability): Document.
8968 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8970         * doc/install.texi (Configuration): Update Valgrind homepage.
8972 2005-07-28  Richard Henderson  <rth@redhat.com>
8974         PR middle-end/21362
8975         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8976         labels we want to delete.
8977         (cfg_layout_merge_blocks): Likewise.
8979 2005-07-28  Richard Henderson  <rth@redhat.com>
8981         PR target/17692
8982         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8983         when expanding to nothing.
8985 2005-07-28  Josh Conner  <jconner@apple.com>
8987         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8988         (cgraph_decide_inlining_of_small_functions): Likewise.
8990 2005-07-28  Josh Conner  <jconner@apple.com>
8992         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8993         direction of badness if negative.
8994         (cgraph_default_inline_p): Add reason to parameters, and assign it
8995         a value.
8996         (cgraph_decide_inlining_of_small_functions): New parameter in call
8997         to cgraph_default_inline_p.
8998         (cgraph_decide_inlining_incrementally): Likewise.
8999         * cgraphunit.c (decide_is_function_needed): Likewise.
9000         * cgraph.h (cgraph_default_inline_p): Likewise.
9002 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9004         * builtins.c: Fix comment typo(s).
9005         * genautomata.c: Likewise.
9006         * gimplify.c: Likewise.
9007         * tree-dfa.c: Likewise.
9008         * tree-flow-inline.h: Likewise.
9009         * tree-into-ssa.c: Likewise.
9010         * tree-ssa-alias.c: Likewise.
9011         * tree-ssa-ccp.c: Likewise.
9012         * tree-ssa-copy.c: Likewise.
9013         * tree-ssa-dce.c: Likewise.
9014         * tree-ssa-dom.c: Likewise.
9015         * tree-ssa-operands.c: Likewise.
9016         * tree-tailcall.c: Likewise.
9017         * tree-vectorizer.c: Likewise.
9018         * tree-vrp.c: Likewise.
9019         * tree.c: Likewise.
9021 2005-07-28  Jeff Law  <law@redhat.com>
9023         * tree-vrp.c (test_for_singularity): Extracted from  ...
9024         (simplify_cond_using_ranges): Attempt to simplify a relational
9025         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9027 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9029         PR tree-optimization/22506
9030         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9031         phis whose argument is constant.
9033 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9035         PR rtl-optimization/18992
9036         Back out this patch:
9037           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9038           PR optimization/12142
9039           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9040           uses of the register in the SET_SRC.  Remove unnecessary argument.
9042         Replace it with this:
9043         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9044         if flag_non_call_exceptions is set and the insn may trap, pass
9045         pc_rtx as dest for recursion.
9046         In SET_SRC part of SET case, if dest is already set, pass it down
9047         unchanged.
9049 2005-07-28  Jan Hubicka  <jh@suse.cz>
9051         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9052         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9053         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9054         roundoff errors.
9055         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9056         profile when available.
9058 2005-07-28  Jan Beulich <jbeulich@novell.com>
9060         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9061         (ia64_print_operand): Describe and handle 'X'.
9062         (ia64_register_move_cost): Also handle FP_REGS.
9063         (ia64_preferred_reload_class): Likewise.
9064         (ia64_secondary_reload_class): Likewise.
9065         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9066         it. Also check for ITANIUM_CLASS_FLDP.
9067         * config/ia64/ia64.h (FP_REGNO_P): New.
9068         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9069         (reg_class): Add FP_REGS.
9070         (REG_CLASS_NAMES): Adjust for it.
9071         (REG_CLASS_CONTENTS): Likewise.
9072         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9073         (REG_CLASS_FROM_LETTER): Handle 'x'.
9074         (CLASS_MAX_NREGS): Handle FP_REGS.
9075         (MEMORY_MOVE_COST): Likewise.
9076         * config/ia64/ia64.md (itanium_class): Add fldp.
9077         (type): Handle fldp.
9078         (movti_internal): More allowable operand combinations. Use ldfp8 when
9079         splitting unnecessary. Remove predicable attribute. Adjust
9080         itanium_class attribute.
9081         (smuldi3_highpart): Remove outdated comment.
9082         (mulditi3, umulditi3, rotlti3): New expanders.
9083         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9084         (absti2): Disabled new insn for future reference.
9085         Respective new splitters.
9086         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9087         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9088         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9090 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9092         PR rtl-optimization/23047
9093         * simplify-rtx.c (simplify_const_relational_operation): Respect
9094         flag_wrapv for comparisons with ABS.
9096 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9098         PR tree-optimization/22493
9099         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9100         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9102 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9104         * config/frv/frv.opt (moptimize-membar): New.
9106         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9108         * config/frv/frv.h: Remove machine_function definition.
9110         * config/frv/frv.c (struct frv_io): New.
9111         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9112         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9113         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9114         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9115         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9116         (frv_reorg): Call frv_optimize_membar when appropriate.
9117         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9118         (frv_expand_builtin): Adjust calls accordingly.
9119         (frv_io_address_cookie): New function.
9120         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9121         load or store rather than a special insn.  Add ccnstant address and
9122         io-type operands to the membar.
9123         (frv_ifcvt_modify_tests): Unsign regno.
9124         (frv_ifcvt_modify_tests): Same.
9126         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9127         UNSPEC_OPTIONAL_MEMBAR constant.
9128         (builtin_read_<mode>): Delete.
9129         (builtin_write_<mode>): Delete.
9130         ("optional_membar_<mode>"): Add operand.
9132         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9133         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9134         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9135         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9136         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9137         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9138         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9139         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9140         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9142 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9144         * df.c (df_uses_record): Handle SCRATCH.
9146 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9148         PR debug/20161
9149         * passes.c (rest_of_decl_compilation): If decl is a type and
9150         we have encountered errors, don't emit debug information.
9152 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9154         * params.def: Fixed comment.
9156 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9158         PR target/19885
9159         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9160         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9161         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9163 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9165         PR c++/22003
9166         * varasm.c (assemble_start_function): Don't do anything that may
9167         require a CFG if the current function is a thunk.
9169 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9171         * doc/install.texi (Prerequisites): Mention that perl is needed
9172         to do export control in libstdc++ targetting Darwin.
9174 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9176         PR rtl-optimization/17808
9177         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9178         (sched_insns_conditions_mutex_p): Split out from...
9179         (add_dependence): ...here.  But don't call it from here.
9180         (add_dependence_list): Check sched_insns_conditions_mutex_p
9181         before calling add_dependence.
9182         (add_dependence_list_and_free): Likewise.
9183         (fixup_sched_groups): Likewise.
9184         (sched_analyze_1): Likewise.
9185         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9186         (sched_analyze): Likewise.
9187         (sched_analyze_insn): Likewise.
9188         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9189         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9190         dependencies on all COND_EXEC insns to jumps ending basic blocks
9191         when doing intrablock scheduling.
9192         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9194 2005-07-27  Jeff Law  <law@redhat.com>
9196         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9197         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9198         equivalency sets, correctly handle the case were vr0 has an
9199         equivalency set, but vr1 does not.
9201 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9203         PR tree-optimization/23073
9204         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9205         vect_print_dump_info before fprintf.
9207 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9209         PR tree-optimize/22348
9210         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9211         Fold the partial computation.
9213 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9215         PR tree-optimization/22325
9216         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9217         Declare.
9218         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9219         value replacement.
9220         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9221         (force_var_cost): ... this function.
9222         (compute_phi_arg_on_exit): Export.
9224 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9226         PR tree-optimization/20773
9227         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9228         edge.
9230 2005-07-27  Richard Guenther  <rguenther@suse.de>
9232         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9233         Avoid pushing again if current struct contains only
9234         fields we decomposed.
9236 2005-07-27  Jan Hubicka  <jh@suse.cz>
9238         PR tree-optimization/22574
9239         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9240         not available.
9242         * tree-tailcall.c (decrease_profile): New function.
9243         (eliminate_tail_call): Use it.
9245         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9246         visibility flags correctly in whole program mode.
9248 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9250         PR rtl-optimization/22472
9251         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9253 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9255         PR tree-optimization/22504
9256         * tree-complex.c (expand_complex_addition): Use 'code' instead
9257         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9259 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9261         * config.gcc (cpu_type): Add frv case.
9262         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9263         (supported_defaults): Add fr550 case.
9265 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9267         PR 22591
9268         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9269         whether a pointer of type T * may point to objects of type T *.
9271 2005-07-26  DJ Delorie  <dj@redhat.com>
9273         * configure: Regenerate.
9275 2005-07-26  Dale Johannesen  <dalej@apple.com>
9277         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9279 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9281         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9282         Clarify use of "build" in name.
9284 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9286         * doc/extend.texi (Raw read/write Functions): New section.
9287         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9288         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9289         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9290         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9291         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9292         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9293         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9294         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9295         * config/frv/frv.c: Add bdesc_loads global.
9296         Add bdesc_stores global.
9297         (frv_init_builtins): Add support for __builtin_{read/write}*.
9298         (frv_volatile_memref): New.
9299         (frv_expand_load_builtin): New.
9300         (frv_expand_store_builtin): New.
9301         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9302         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9303         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9304         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9305         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9306         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9307         (builtin_read_<mode>): New.
9308         (builtin_write_<mode>): New.
9309         (builtin_write64): New.
9310         (optional_membar_<mode>): New.
9312 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9314         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9315         (rather than units) against HOST_BITS_PER_WIDE_INT.
9317 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9319         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9320         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9321         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9322         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9323         FSF address.
9325         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9326         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9327         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9328         comment typos.
9329         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9331 2005-07-26  Richard Guenther  <rguenther@suse.de>
9333         PR tree-optimization/22486
9334         * fold-const.c (fold_unary): Fold away useless component
9335         references of the form (T *)&T.x, if the address
9336         doesn't change.
9338 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9340         * dwarf2out.c (add_call_src_coords_attributes): New.
9341         (gen_inlined_subroutine_die): Call it.
9342         (maybe_emit_file, init_file_table): Add comments.
9343         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9344         maybe_emit_file.
9345         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9346         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9347         * tree.h (BLOCK_SOURCE_LOCATION): New.
9348         (struct tree_block): New field locus.
9350 2005-07-26  Andreas Schwab  <schwab@suse.de>
9352         PR rtl-optimization/23043
9353         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9354         when allocating a struct unoccr.
9356 2005-07-25  Richard Henderson  <rth@redhat.com>
9358         PR 22626
9359         * tree-complex.c (gate_no_optimization): True if errors.
9360         * Makefile.in (tree-complex.o): Update dependencies.
9362 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9364         * config/frv/predicates.md (integer_register_operand): Use
9365         GPR_AP_OR_PSEUDO_P.
9367 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9369         PR tree-opt/22484
9370         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9371         after fold.
9372         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9374 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9376         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9377         types when flag_unsafe_math_optimizations is true.
9379 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9381         * gcc.c (option_map): Add --sysroot.
9382         (process_command): Handle --sysroot.
9383         (display_help): Document it.
9384         * doc/cppopts.tex (-isysroot): Document.
9385         * doc/invoke.texi (--sysroot): Document.
9386         * doc/install.texi (--with-build-sysroot): Document.
9388         * Makefile.in (inhibit_libc): New variable.
9389         (INHIBIT_LIBC_CFLAGS): Likewise.
9390         (LIBGCC2_CFLAGS): Include
9391         $(INHIBIT_LIBC_CFLAGS).
9392         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9393         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9394         ($(T)crtend.o): Likewise.
9395         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9396         ($(T)crtendS.o): Likewise.
9397         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9398         ($(T)crtendT.o): Likewise.
9399         (stmp-fixinc): Do not complain about missing headers if
9400         inhibit_libc.
9401         * configure.ac (inhibit_libc): Set it to true/false.
9402         (--with-build-sysroot): New option.  Use it to set
9403         SYSTEM_HEADER_DIR.
9404         * configure: Regenerated.
9406 2005-07-25  Manfred Hollstein  <mh@suse.com>
9408         * calls.c (store_one_arg): Fix unsigned comparison warning.
9410 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9412         PR other/22337
9413         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9414         (ggc_print_statistics): Initialize variable before use.
9416 2005-07-25  Richard Guenther  <rguenther@suse.de>
9418         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9419         calling with a PHI_NODE argument.
9421         * tree-flow-inline.h (overlap_subvar): Protect against
9422         possible overflow.
9424 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9426         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9427         * configure: Regenerate.
9429 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9431         * expr.c (highest_pow2_factor): Make extern.
9432         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9433         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9434         record_array_differ_p, array_ptr_differ_p): Likewise.
9435         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9436         additional cases. Call the above functions.
9437         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9438         base_object_differ_p when there are two base objects. Otherwise, compare
9439         base address and offset. Call may_alias_p.
9440         (dump_data_reference): Use a correct field name.
9441         (analyze_array): Make static. Initialize new data-ref fields.
9442         (analyze_indirect_ref): New function.
9443         (init_data_ref): Initialize new data-ref fields.
9444         (strip_conversion): Moved from tree-vect-analyze.c.
9445         (analyze_offset_expr, get_ptr_offset, address_analysis,
9446         object_analysis): Likewise.
9447         (analyze_offset): New function.
9448         (create_data_ref): Likewise.
9449         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9450         dimensions for ARRAY_REFs only.
9451         (build_classic_dist_vector): Make static.
9452         (access_functions_are_affine_or_constant_p): Call macro to get the
9453         address of access functions.
9454         (compute_all_dependences): Add new parameter
9455         compute_self_and_read_read_dependences. Compute self and read-read
9456         dependences if it is true.
9457         (find_data_references_in_loop): Call create_data_ref. Initialize new
9458         data-ref fields.
9459         (compute_data_dependences_for_loop): Add new parameter
9460         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9461         compute nb_loops. Call compute_all_dependences,
9462         build_classic_dist_vector and build_classic_dir_vector with correct
9463         parameters.
9464         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9465         with correct parameters. Compare dimensions for ARRAY_REFs only.
9466         (free_data_refs): Call macro to free access functions.
9467         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9468         fields from stmt_vinfo.
9469         (struct base_object_info): New structure.
9470         (struct data_reference): Move fields to base_object_info. Add fields
9471         first_location and object_info for above structures. Move fields from
9472         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9473         aligned_to.  Add macros to access the new fields.
9474         Update functions declarations.
9475         * tree-flow.h (is_aliased_with): Declare.
9476         * tree-loop-linear.c (linear_transform_loops): Call
9477         compute_data_dependences_for_loop with correct parameters.
9478         * tree-ssa-alias.c (is_aliased_with): New function.
9479         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9480         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9481         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9482         vect_base_addr_differ_p, compute_subscript_distance and
9483         build_classic_dist_vector. Add printings. Check absolute value of
9484         distance.
9485         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9486         data-refs.
9487         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9488         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9489         to bytes. Add printing.
9490         (vect_compute_data_refs_alignment): Go through loads and stores in one
9491         loop.
9492         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9493         vect_analyze_data_ref_access): Likewise.
9494         (vect_analyze_pointer_ref_access): Remove.
9495         (vect_address_analysis, vect_object_analysis): Likewise.
9496         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9497         and analyze data-refs in the loop.
9498         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9499         fields of data-ref instead of stmt. Add init to the offset from the
9500         base.
9501         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9502         (vect_update_init_of_dr): Likewise.
9503         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9504         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9505         removed fields.
9506         (new_loop_vec_info): Initialize new fields.
9507         (destroy_loop_vec_info): Free new fields.
9508         (vect_strip_conversion): Remove.
9509         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9510         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9511         datarefs. Add new field ddrs.
9512         Add macros for the new fields access.
9513         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9514         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9515         Remove their macros.
9516         * tree.h (highest_pow2_factor): Declare.
9518 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9520         * calls.c (store_one_arg): Check for sibling call MEM arguments
9521         from already clobbered incoming argument area.
9523 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9525         * c-common.c (check_missing_format_attribute): New.
9526         * c-common.h (check_missing_format_attribute): Likewise.
9527         * c-typeck.c (convert_for_assignment): Use it.
9529 2005-07-24  Andreas Schwab  <schwab@suse.de>
9531         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9532         register use a word move.  Correct operand of ext.w in 68000 code.
9534 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9536         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9537         variables as declarations, rather than definitions.
9539 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9541         PR tree-optimization/22526
9542         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9543         of the zero node.
9545 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9547         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9548         that C99 reserve for future use. Use it to define clog10,
9549         clog10f and clog10l.
9551 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9553         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9554         * configure.ac: Check for -Wmissing-format-attribute.
9556         * configure: Regenerate.
9558 2005-07-23  Richard Henderson  <rth@redhat.com>
9560         PR tree-optimization/22623
9561         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9563 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9565         PR target/22577
9566         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9568 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9570         * Makefile.in (C_TREE_H): Update dependencies.
9571         * c-tree.h: Include toplev.h.
9572         * diagnostic.h (diagnostic_set_info): Add format attribute.
9573         * rtl-error.c (diagnostic_for_asm): Likewise.
9575 2005-07-23  Chao-ying Fu  <fu@mips.com>
9577         * config/mips/mips-dsp.md: New file.
9578         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9579         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9580         functions.
9581         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9582         MIPS_BUILTIN_BPOSGE32.
9583         (mips_expand_builtin_direct): Add one parameter to indicate that
9584         builtin functions need to return a value.
9585         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9586         functions.
9587         (mips_regno_to_class): Add classes for 12 new DSP registers.
9588         (mips_subword): Change to check four HI registers.
9589         (mips_output_move): Output move to and from 6 new DSP accumulators.
9590         (override_options): Make sure -mdsp and -mips16 are not used together.
9591         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9592         for machine modes.
9593         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9594         when !TARGET_DSP.
9595         (print_operand): Add 'q' for printing DSP accumulators.
9596         (mips_cannot_change_mode_class): Check ACC_REGS.
9597         (mips_secondary_reload_class): Check ACC_REGS.
9598         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9599         (mips_register_move_cost): Check ACC_REGS.
9600         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9601         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9602         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9603         (dsp_bdesc): New array.
9604         (bdesc_arrays): Add DSP builtin function table.
9605         (mips_prepare_builtin_arg): Check predicate again after
9606         copy_to_mode_reg.
9607         (mips_expand_builtin): Add one more parameter to
9608         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9609         MIPS_BUILTIN_BPOSGE32.
9610         (mips_init_builtins): Initialize new function types.
9611         (mips_expand_builtin_direct): Check if builtin functions need to
9612         return a value and pass operands properly.
9613         (mips_expand_builtin_bposge): New function.
9614         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9615         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9616         (FIRST_PSEUDO_REGISTER): Increase to 188.
9617         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9618         Update for 12 new DSP registers.
9619         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9620         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9621         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9622         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9623         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9624         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9625         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9626         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9627         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9628         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9629         (REGISTER_NAMES): Add names for 12 new DSP registers.
9630         * config/mips/mips.md: Include mips-dsp.md.
9631         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9632         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9633         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9634         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9635         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9636         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9637         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9638         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9639         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9640         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9641         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9642         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9643         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9644         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9645         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9646         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9647         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9648         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9649         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9650         (UNSPEC_RDDSP): New constants.
9651         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9652         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9653         A<-d alternative.
9654         * config/mips/mips.opt (-mdsp): New option.
9655         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9656         (reg_imm10_operand): New predicates.
9657         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9658         * doc/invoke.texi (-mdsp): Document new option.
9660 2005-07-22  DJ Delorie  <dj@redhat.com>
9662         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9663         to warning calls.
9664         * tree-inline.c (inlinable_function_p): Likewise.
9666 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9668         PR debug/21828
9669         * toplev.c (check_global_declarations): Do not mark undefined
9670         variables as DECL_IGNORED_P.
9671         * varasm.c (first_global_object_name): GTY it.
9672         (weak_global_object_name): Likewise.
9673         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9674         a string to go into {weak,first}_global_object_name.
9676 2005-07-22  DJ Delorie  <dj@redhat.com>
9678         * c-format.c (check_function_format): Change warning control
9679         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9681 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9683         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9684         &PTR->FLD a dereference of PTR.
9685         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9686         a potential dereference of PTR.
9688 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9690         PR rtl-optimization/20370
9691         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9692         call allocate_reg_info if necessary.
9694         PR rtl-optimization/21848
9695         * calls.c (emit_library_call_value_1): For const functions, add
9696         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9698         PR rtl-optimization/22445
9699         * cselib.c (target.h): Include.
9700         (rtx_equal_for_cselib_p): Allow commutative matches.
9701         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9702         Remove MODE parameter.  Changed all callers.
9704         PR rtl-optimization/22258
9705         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9706         New functions.
9707         (try_combine): Use likely_spilled_retval_p.
9709 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9711         * config.gcc: Add crx-elf support.
9713         * doc/contrib.texi: Mention crx.
9714         * doc/extend.texi: Document crx extensions.
9715         * doc/install.texi: Document crx install.
9716         * doc/invoke.texi: Document crx options.
9717         * doc/md.texi: Document crx constraints.
9719         * config/crx/crx-protos.h: New file.
9720         * config/crx/crx.c: New file.
9721         * config/crx/crx.h: New file.
9722         * config/crx/crx.md: New file.
9723         * config/crx/crx.opt: New file.
9724         * config/crx/t-crx: New file.
9726 2005-07-22  Manfred Hollstein  <mh@suse.com>
9728         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9729         warnings.
9730         (int_add_graph_edge): Likewise.
9731         (collapse_nodes): Likewise.
9732         (process_unification_queue): Likewise.
9734 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9735             Laurent GUERBY  <laurent@guerby.net>
9737         PR tree-optimization/22336
9738         * function.c (record_block_change): Check for
9739         cfun->ib_boundaries_block.
9741 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9743         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9744         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9746 2005-07-21  DJ Delorie  <dj@redhat.com>
9748         * toplev.c (warn_deprecated_use): Add warning control to warning
9749         call.
9750         * c-typeck.c (parser_build_binary_op): Likewise.
9751         (c_finish_if_stmt): Likewise.
9752         * c-common.c (check_function_sentinel): Likewise.
9753         (check_nonnull_arg): Likewise.
9755 2005-07-21  Richard Henderson  <rth@redhat.com>
9757         PR tree-opt/22504
9758         * tree-complex.c (complex_ssa_name_components): New.
9759         (cvc_lookup): Allow entry not found.
9760         (create_components): Remove.
9761         (create_one_component_var, get_component_var): New.
9762         (get_component_ssa_name, set_component_ssa_name): New.
9763         (extract_component): Use get_component_ssa_name.
9764         (update_complex_components): Use set_component_ssa_name.
9765         (update_complex_components_on_edge): Likewise.
9766         (update_phi_components): Create new PHI nodes directly, instead
9767         of adding insns to edges.
9768         (tree_lower_complex): Allocate and free complex_variable_components
9769         and complex_ssa_name_components here.
9771 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9773         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9774         revert to returning false.
9776 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9778         PR target/21149
9779         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9781 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9783         PR target/22576
9784         * config/i386/i386.md (cmpxf): Change operand constraints
9785         to "nonmemory_operand".
9787 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9789         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9791 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9793         PR middle-end/21180
9794         * fold-const.c (fold_build1): Add checksum for the operands.
9795         (fold_build2): Likewise.
9796         (fold_build3): Likewise.
9798 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9800         PR middle-end/19055
9801         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9803 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9805         * common.opt (-fforward-propagate): Committed by mistake,
9806         removed.
9808 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9810         * reg-stack.c: Fix comment typo(s).
9811         * tree-ssa-operands.c: Likewise.
9812         * tree-vectorizer: Likewise.
9814 2005-07-21  Nick Clifton  <nickc@redhat.com>
9816         * config/sh/symbian.c: Replace C++ style line comments with C
9817         style line comments.
9818         (symbian_add_attribute): Do not use a ? operator on the LHS of
9819         an assignment.
9820         (sh_symbian_handle_dll_attribute): Change the type of the
9821         method vector to "VEC(tree,gc)*" and use vector accessor
9822         macros to walk over the elements.
9823         (symbian_export_vtable_and_rtti_p): Likewise.
9824         (symbian_class_needs_attribute_p): Likewise.
9826 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9828         PR target/22085
9829         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9830         initialize targetm.resolve_overloaded_builtin here.
9831         (altivec_expand_overloaded_builtin): Make it non-static.
9832         * config/rs6000/rs6000-protos.h
9833         (altivec_expand_overloaded_builtin): New prototype.
9834         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9835         targetm.resolve_overloaded_builtin here.
9836         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9838 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9839             Zdenek Dvorak  <dvorakz@suse.cz>
9841         PR tree-optimization/19210
9842         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9843         New.
9844         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9845         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9846         rely on unproven assumptions.
9847         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9848         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9849         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9850         to number_of_iterations_exit.
9851         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9852         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9853         * tree-ssa-loop-niter.c (find_loop_niter,
9854         estimate_numbers_of_iterations_loop): Likewise.
9855         (number_of_iterations_exit): Honor the new options.
9856         * doc/invoke.texi (Wunsafe-loop-optimizations,
9857         funsafe-loop-optimizations): Document them.
9859 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9861         PR rtl-optimization/22167
9862         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9864 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9866         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9867         __do_global_dtors_aux longcall.
9869 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9871         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9872         (old_special_pred_table): Don't reference
9873         SPECIAL_MODE_PREDICATES.
9874         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9875         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9876         * config/sh/predicates.h: Don't mention
9877         SPECIAL_MODE_PREDICATES.
9878         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9879         Remove.
9881 2005-07-20  DJ Delorie  <dj@redhat.com>
9883         * config.gcc: Add m32c-elf support.
9885         * doc/contrib.texi: Mention m32c.
9886         * doc/extend.texi: Document m32c extensions.
9887         * doc/install.texi: Mention m32c.
9888         * doc/invoke.texi: Document m32c options.
9889         * doc/md.texi: Document m32c constraints.
9891         * config/m32c/addsub.md: New file.
9892         * config/m32c/bitops.md: New file.
9893         * config/m32c/cond.md: New file.
9894         * config/m32c/jump.md: New file.
9895         * config/m32c/m32c-lib1.S: New file.
9896         * config/m32c/m32c-lib2.c: New file.
9897         * config/m32c/m32c-modes.def: New file.
9898         * config/m32c/m32c-pragma.c: New file.
9899         * config/m32c/m32c-protos.h: New file.
9900         * config/m32c/m32c.abi: New file.
9901         * config/m32c/m32c.c: New file.
9902         * config/m32c/m32c.h: New file.
9903         * config/m32c/m32c.md: New file.
9904         * config/m32c/m32c.opt: New file.
9905         * config/m32c/minmax.md: New file.
9906         * config/m32c/mov.md: New file.
9907         * config/m32c/muldiv.md: New file.
9908         * config/m32c/predicates.md: New file.
9909         * config/m32c/prologue.md: New file.
9910         * config/m32c/shift.md: New file.
9911         * config/m32c/t-m32c: New file.
9913 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9915         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9916         (stack_protect_set, stack_protect_test): New expanders.
9917         (stack_protect_set_si, stack_protect_set_si_media,
9918         stack_protect_set_di_media, stack_protect_test_si,
9919         stack_protect_test_si_media, stack_protect_test_di_media):
9920         New insns.
9922 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9924         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9926 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9928         * tree.h (tree_expr_nonzero_p): Export.
9929         * fold-const.c (tree_expr_nonzero_p): Likewise.
9930         Return true for CALL_EXPRs that are alloca calls.
9931         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9932         against zero.
9933         * tree-flow.h (expr_computes_nonzero): Remove.
9934         * tree-vrp.c (expr_computes_nonzero): Remove.
9935         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9936         (extract_range_from_unary_expr): Likewise.
9937         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9938         tree_expr_nonzero_p.
9940 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9942         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9943         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9944         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9945         All callers changed.
9946         (frame_related_constant_load): New arg "related" which controls
9947         setting of RTX_FRAME_RELATED_P.  All callers changed.
9948         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9949         (bfin_expand_prologue): Add stack limit checking.
9950         * config/bfin/bfin.md (trapifcc): New pattern.
9952         * config/bfin/bfin.c: Include "langhooks.h".
9953         (def_builtin): Go through lang_hooks to call builtin_function.
9955         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9956         * config/bfin/predicates.md (symbol_ref_operand): New.
9957         (call_insn_operand): Delete.  All callers changed to use
9958         register_no_elim_operand.
9959         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9960         call_cookie field.
9961         (function_arg): Use it to generate the call's operand 2.
9962         (bfin_longcall_p): New function.
9963         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9964         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9965         determine if the address needs to be in a REG.
9966         (bfin_handle_longcall_attribute): New function.
9967         (bfin_attribute_table): Add "longcall" and "shortcall".
9968         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9969         (CUMULATIVE_ARGS): New member call_cookie.
9970         (PREDICATE_CODES): Add symbol_ref_operand.
9971         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9972         extra USE to the pattern.
9973         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9974         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9975         sibcall_value_insn; now the new patterns handle direct calls and the
9976         old ones indirect calls.
9977         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9979 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9981         * doc/trouble.texi: Update section on handling of empty loops.
9983 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9985         * config.gcc: Remove support for sparc-*-openbsd*,
9986         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9987         ns32k-*-netbsd*.
9988         * config.host: Remove support for i860-*-sysv4* as a host.
9989         * config/i860/*, config/ip2k/*, config/ns32k/*,
9990         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9991         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9992         mention obsolete ports.
9994 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9996         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9997         soft frame pointer.
9998         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9999         of frame_pointer_rtx.
10000         (sh_expand_epilogue): Likewise.
10001         (sh_set_return_address): Likewise.
10002         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10003         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10004         offsets from FRAME_POINTER_REGNUM.
10005         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10006         (sh_register_names): Add initializer for sfp.
10007         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10008         (VALID_REGISTER_P): Likewise.
10009         (FIRST_PSEUDO_REGISTER): Update.
10010         (DWARF_FRAME_REGISTERS): Define.
10011         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10012         (HARD_FRAME_POINTER_REGNUM): Define.
10013         (FRAME_POINTER_REGNUM): Redefine.
10014         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10015         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10016         from FRAME_POINTER_REGNUM.
10017         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10018         FRAME_POINTER_REGNUM.
10019         (REG_CLASS_CONTENTS): Add sfp.
10020         (REG_ALLOC_ORDER): Likewise.
10021         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10022         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10023         of frame_pointer_rtx.
10024         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10026 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10028         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10029         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10030         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10031         of an ABS_EXPR.
10032         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10033         ABS_EXPR<x>.
10035 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10037         Make CONSTRUCTOR use VEC to store initializers.
10038         * c-common.c (complete_array_type): Update to cope with VEC in
10039         CONSTRUCTOR_ELTS.
10040         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10041         (pp_c_constructor_elts): New function.
10042         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10043         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10044         struct constructor_stack, struct initializer_stack,
10045         constructor_elements, push_init_level, pop_init_level,
10046         add_pending_init, find_init_member, output_init_element): Update to
10047         cope with VEC in CONSTRUCTOR_ELTS.
10048         * coverage.c (build_fn_info_value, build_ctr_info_value,
10049         build_gcov_info): Likewise.
10050         * expr.c (categorize_ctor_elements_1, store_constructor,
10051         expand_expr_real_1): Likewise.
10052         * fold-const.c (fold_ternary): Likewise.
10053         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10054         gimplify_init_constructor, gimplify_expr): Likewise.
10055         * tree-dump.c (dequeue_and_dump): Likewise.
10056         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10057         node.
10058         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10059         CONSTRUCTOR_ELTS.
10060         * tree-sra.c (generate_element_init_1): Likewise.
10061         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10062         * tree-ssa-operands.c (get_expr_operands): Likewise.
10063         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10064         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10065         (get_initial_def_for_reduction): Likewise.
10066         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10067         value handle in annotations.
10068         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10069         tree_node_structure): Add support for constr_kind.
10070         (build_vector_from_ctor, build_constructor_single,
10071         build_constructor_from_list): New functions.
10072         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10073         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10074         Update to cope with VEC in CONSTRUCTOR_ELTS.
10075         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10076         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10077         CONSTRUCTOR_APPEND_ELT): New macros.
10078         (struct constructor_elt, struct tree_constructor): New data types.
10079         (union tree_node): Add tree_constructor field.
10080         * treestruct.def: Define TS_CONSTRUCTOR.
10081         * varasm.c (const_hash_1, compare_constant, copy_constant,
10082         compute_reloc_for_constant, output_addressed_constants,
10083         initializer_constant_valid_p, output_constant,
10084         array_size_for_constructor, output_constructor): Update to cope with
10085         VEC in CONSTRUCTOR_ELTS.
10086         * vec.h (VEC_empty, VEC_copy): New macros.
10088 2005-07-19  Devang Patel  <dpatel@apple.com>
10090         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10092 2005-07-19  Richard Henderson  <rth@redhat.com>
10094         PR tree-opt/22278
10095         * gimplify.c (gimplify_expr): Use main variant type for the temp
10096         destination for a discarded volatile read.
10097         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10098         casts between non-void types that change volatility.
10100 2005-07-15  DJ Delorie  <dj@redhat.com>
10102         * toplev.h: Add comment about the first parameter for warning().
10103         * errors.h: Likewise.
10105         * c.opt (Wpragmas): New.
10106         * doc/invoke.texi: Document it.
10108         * function.c (do_warn_unused_parameter): Add warning control to
10109         warning call.
10110         * c-decl.c (warn_if_shadowing): Likewise.
10111         * c-lex.c (cb_def_pragma): Likewise.
10112         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10113         (pop_alignment): Likewise.
10114         (handle_pragma_pack): Likewise.
10115         (apply_pragma_weak): Likewise.
10116         (handle_pragma_weak): Likewise.
10117         (handle_pragma_redefine_extname): Likewise.
10118         (add_to_renaming_pragma_list): Likewise.
10119         (handle_pragma_extern_prefix): Likewise.
10120         (maybe_apply_renaming_pragma): Likewise.
10121         (handle_pragma_visibility): Likewise.
10123         * config/c4x/c4x-c.c (BAD): Likewise.
10124         (c4x_parse_pragma): Likewise.
10125         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10126         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10127         (rs6000_pragma_longcall): Likewise.
10128         * config/v850/v850-c.c (pop_data_area): Likewise.
10129         (ghs_pragma_section): Likewise.
10130         (ghs_pragma_section): Likewise.
10131         (ghs_pragma_interrupt): Likewise.
10132         (ghs_pragma_starttda): Likewise.
10133         (ghs_pragma_startsda): Likewise.
10134         (ghs_pragma_startzda): Likewise.
10135         (ghs_pragma_endtda): Likewise.
10136         (ghs_pragma_endsda): Likewise.
10137         (ghs_pragma_endzda): Likewise.
10139 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10140             Kenneth Zadeck <zadeck@naturalbridge.com>
10142         * Makefile.in: Removed tree-promote-statics.c
10143         * tree-promote-statics.c: Removed.
10144         * common.opt: Removed flag-promote-statics.
10145         * opts.c: Ditto.
10146         * passes.c: Removed tree-promote-statics pass.
10147         * tree-pass.h: Ditto.
10148         * timevar.def: Removed TV_PROMOTE_STATICS.
10151 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10153         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10154         and *-*-freebsd9.
10155         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10157 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10159         PR c/22476
10160         * c-common.c (check_function_arguments): Call
10161         'check_function_format' if either -Wformat or
10162         -Wmissing-format-attribute are specified.
10163         * c-format.c (check_function_format): Check -Wformat before
10164         calling 'check_format_info'.
10165         * c-opts.c (c_common_post_options): Don't warn for
10166         -Wmissing-format-attribute without -Wformat.
10167         * c-typeck.c (convert_for_assignment): Detect additional cases for
10168         -Wmissing-format-attribute.
10169         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10170         behavior.
10172 2005-07-19  Richard Guenther  <rguenther@suse.de>
10174         * config/i386/i386.md (lrint<mode>2): Use temporary
10175         instead of clobbering non-existent memory.
10177 2005-07-19  Nick Clifton  <nickc@redhat.com>
10179         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10180         statement to avoid displaying ASCII control characters.
10182 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10184         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10185         * cfganal.c (find_edge_index): Ditto.
10186         * combine.c (combine_instructions): Ditto.
10187         * ddg.c (create_scc): Ditto.
10188         (find_successors): Ditto.
10189         (find_predecessors): Ditto.
10190         (find_nodes_on_paths): Ditto.
10191         (longest_simple_path): Ditto.
10192         * flow.c (update_life_info): Ditto.
10193         (count_or_remove_death_notes): Ditto.
10194         (clear_log_links): Ditto.
10195         * modulo-sched.c (generate_reg_moves): Ditto.
10196         (find_max_asap): Ditto.
10197         (find_max_hv_min_mob): Ditto.
10198         (find_max_dv_min_mob): Ditto.
10199         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10200         * sched-rgn.c (extract_edgelst): Ditto.
10201         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10202         (dump_update_ssa): Ditto.
10203         (ssa_names_to_replace) Ditto.
10204         (switch_virtuals_to_full_rewrite): Ditto.
10205         (update_ssa): Ditto.
10206         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10208 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10210         Fix PR tree-optimization/22483
10212         * tree-complex.c (create_components): Use
10213         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10214         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10215         * tree-flow.h (safe_referenced_var_iterator): New structure.
10216         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10217         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10218         safe_referenced_var iterator.
10219         (add_type_alias): Ditto.
10221 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10223         * loop-init.c (rest_of_handle_loop2): Remove.
10224         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10225         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10226         (pass_rtl_loop_init, pass_rtl_loop_done,
10227         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10228         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10229         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10230         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10231         pass_tree_loop_done, and pass_tree_unswitch.
10232         (gate_loop): Rename to gate_tree_loop.
10233         * passes.c (init_optimization_passes): Update for renamed tree
10234         loop passes.  Add the new loop2 passes as subpasses of loop2.
10235         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10236         Update for the renamed tree loop passes.
10238 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10240         PR middle-end/22057
10241         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10242         blocks when optimizing.
10244 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10246         * common.opt (frename-registers): Initialize to 2.
10247         (fweb): Ditto.
10248         (fgcse-after-reload): Ditto.
10249         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10250         (process_options): Only change flag_web, flag_rename_registers,
10251         and flag_rerun_cse_after_loop if not explicitly set by user.
10253 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10255         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10256         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10257         in 64-bit mode the same as DImode in 32-bit mode.
10258         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10259         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10260         mode. Add new mode parameter.
10261         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10262         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10263         x86_64_shift_adj): New expanders.
10264         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10265         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10266         insns.
10267         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10268         DImode shift splitters.
10269         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10270         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10271         mode parameter.
10273 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10275         * i386.md (movdi_extzv_1): New.
10276         (zero_extendhidi2): Combine alternatives and never force use of
10277         REX64 prefix.
10278         (zero_extendqidi2): Likewise. Don't restrict input selection.
10280 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10282         Fix PR tree-optimization/22531
10283         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10284          moment.
10286 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10288         * tree-promote-statics.c (pass_promote_statics): Change dump file
10289          name.
10291 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10293         * tree-optimize.c (init_tree_optimization_passes): Add
10294         pass_eliminate_useless_stores pass.
10295         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10296         * tree-ssa-pre.c (is_copy_stmt): New function.
10297         (follow_copies_till_vuse): Ditto.
10298         (do_eustores): Ditto.
10299         (gate_eustores): Ditto.
10301 2005-07-16  Richard Henderson  <rth@redhat.com>
10303         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10305 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10306            Kenneth Zadeck <zadeck@naturalbridge.com>
10308         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10309         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10310         ipa-type-escape.h, tree-promote-statics.c
10311         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10312         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10313         tree-promote-statics.c: new files.
10314         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10315         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10316         int nonlocal_set_p, mark_constant_function): Deleted.
10317         (rest_of_handle_cfg): Removed call to mark_constant_function.
10318         (nonoverlapping_component_refs_p): Added calls to support
10319         type based aliasing.
10320         * tree-ssa-alias.c (may_alias_p,
10321         compute_flow_insensitive_aliasing): Ditto.
10322         * calls.c (flags_from_decl_or_type): Removed reference to
10323         cgraph_rtl_info.
10324         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10325         too many arguments.  This is necessary for Spec 2000.
10326         * cgraph.h (const_function, pure_function): Removed.
10327         * common.opt: Added "fipa-pure-const", "fipa-reference",
10328         "fipa-type-escape", and "ftree-promote-static".
10329         * opts.c: Ditto.
10330         * passes.c: Added ipa and tree-promote-statics passes.
10331         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10332         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10333         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10334         * tree-flow.h: Added exposed sra calls and addition of
10335         reference_vars_info field for FUNCTION_DECLS.
10336         * tree-pass.h: Added passes.
10337         * tree-sra.c: (sra_init_cache): New function.
10338         (sra_insert_before, sra_insert_after) Made public.
10339         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10340         and made public.
10341         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10342         aliasing. (may_alias_p): Added code to use type escape analysis to
10343         improve alias sets.
10344         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10345         code to prune clobbers of static variables based on information
10346         produced in ipa-reference pass.  Changed call clobbering so that
10347         statics are not marked as clobbered if the call does not clobber
10348         them.
10350 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10352         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10353         too.
10355 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10357         * doc/install.texi (*-*-solaris2*): Document recommended version
10358         of GNU binutils and mention GNU linker problem on Solaris 10.
10360 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10362         PR c/22421
10363         * c-decl.c (c_build_bitfield_integer_type): New function.
10364         (finish_struct): Call it.
10365         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10367 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10369         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10370         before returning.
10372 2005-07-16  Jan Hubicka  <jh@suse.cz>
10374         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10375         (scale_bbs_frequencies_int): Watch roundoff errors.
10376         * predict.c (return_prediction): Initialize return_stmt.
10378 2005-07-16  Jan Hubicka  <jh@suse.cz>
10380         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10381         after RTL profiling.
10383 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10385         PR middle-end/22398
10386         * fold-const.c (build_range_check): Convert high/low to etype
10387         if we are only comparing against exp.
10389 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10391         Fix PR tree-optimization/22376
10392         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10393         special var here.
10394         (need_to_solve): New function.
10395         (compute_points_to_sets): Use it.
10397 2005-07-15  Jan Hubicka  <jh@suse.cz>
10399         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10400         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10402 2005-07-15  Richard Guenther  <rguenther@suse.de>
10404         * c-common.c (handle_flatten_attribute): New function.
10405         Add flatten function attribute.
10406         * doc/extend.texi: Document flatten function attribute.
10407         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10408         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10409         New functions.
10410         (cgraph_decide_inlining): Handle functions with flatten
10411         attribute.
10413 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10415         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10416         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10417         UNSPEC_XCHG, UNSPEC_AND): New.
10418         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10419         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10420         * config/rs6000/sync.md (FETCHOP): New code macro.
10421         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10422         New code attrs.
10423         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10424         (sync_compare_and_swap<mode>): Same.
10425         (sync_lock_test_and_set<mode>): Same.
10426         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10427         for QImode and HImode, and not PPC405.
10428         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10429         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10430         (sync_<fetchop>{si,di}_internal): New.
10431         (sync_nand{si,di}_internal): New.
10432         (sync_old_<fetchop>{si,di}_internal): New.
10433         (sync_old_nand{si,di}_internal): New
10434         (sync_new_<fetchop>{si,di}_internal): New.
10435         (sync_new_nand{si,di}_internal): New.
10436         (atomic_and{si,di}): New.
10437         (sync_new_nand{si,di}_internal): New.
10438         (atomic_and{si,di}): New.
10439         (sync_add<mode>_internal): Delete.
10440         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10441         (sync_sub<mode>_internal): Delte.
10442         (sync_subshort_internal): New.
10443         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10444         (sync_anddi_internal): Delete.
10445         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10446         (sync_booldi_internal): Delete.
10447         (sync_boolc<mode>_internal): Delete.
10448         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10449         (sync_boolc<mode>_internal2): Delete.
10450         (sync_boolcc<mode>_internal): Delete.
10451         (isync, lwsync): Use unspec instead of unspec_volatile.
10452         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10453         Revert UNSPEC_VOLATILE.
10454         (rs6000_split_atomic_op): New.
10455         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10457 2005-07-14  Eric Christopher  <echristo@redhat.com>
10459         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10460         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10462 2005-07-14  Eric Christopher  <echristo@redhat.com>
10464         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10466 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10468         PR tree-optimization/22230
10469         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10470         the computation of the four cross productions for "range op range".
10472 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10473             Ulrich Weigand  <uweigand@de.ibm.com>
10475         PR target/20126
10476         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10477         in some insn.
10479 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10481         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10483 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10485         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10487 2005-07-14  Richard Guenther  <rguenther@suse.de>
10489         PR middle-end/22347
10490         * config/i386/i386-protos.h (ix86_function_value): Change
10491         prototype to match new target hook.
10492         * config/i386/i386.c (ix86_value_regno): Change prototype
10493         to take extra type argument.
10494         (TARGET_FUNCTION_VALUE): Define.
10495         (ix86_function_ok_for_sibcall): Pass extra argument to
10496         ix86_value_regno, check return slot rtx for exact match.
10497         (ix86_function_value): Take extra parameter.  Dispatch to
10498         ix86_value_regno with fndecl/fntype as provided.
10499         (ix86_value_regno): Handle extra type argument.
10500         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10502         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10503         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10504         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10505         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10506         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10508 2005-07-14  Richard Guenther  <rguenther@suse.de>
10510         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10511         * calls.c (expand_call): Pass fntype to hard_function_value.
10512         (emit_library_call_value_1): Likewise.
10513         * explow.c: Include target.h.
10514         (hard_function_value): Take extra argument, the fntype.
10515         Use new target hook for function_value.
10516         * expr.h (hard_function_value): Change prototype.
10517         * function.c (aggregate_value_p): Pass 0 as fntype to
10518         hard_function_value.
10519         (assign_parms): Use new target hook for function_value.
10520         Pass 0 as fntype to hard_function_value.
10521         (expand_function_end): Likewise.
10522         * reg-stack.c: Include target.h.
10523         (stack_result): Use new target hook for function_value.
10524         * target-def.h: New target hook function_value.
10525         * target.h: Likewise.
10526         * targhooks.c (default_function_value): New function.
10527         * targhooks.h (default_function_value): Declare.
10529 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10531         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10533 2005-07-14  Jan Hubicka  <jh@suse.cz>
10535         * tree-dfa.c (dump_variable): Use default_def function.
10536         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10537         * tree-ssa.c (verify_use): Likewise.
10538         * tree-ssanames.c (release_ssa_name): Likewise.
10539         * tree-tailcall.c (eliminate_tail_call): Likewise.
10540         (tree_optimize_tail_calls_1): Likewise.
10541         * tree-vrp.c (get_value_range): Likewise.
10543 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10545         * gcc.c (main): Compare language[0] with '*' when iterating over
10546         the infiles.
10548 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10550         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10551         "s390_emit_compare".  Add handling of CCZ1mode.
10552         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10553         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10554         checking.
10555         (s390_branch_condition_mask): Add CCZ1mode handling.
10556         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10557         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10558         Use CCZ1mode instead of CCZmode.
10559         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10561 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10563         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10564         pattern.
10565         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10567 2005-07-13  Eric Christopher  <echristo@redhat.com>
10569         * config/mips/mips.c (mips_canonicalize_comparison): New.
10570         (mips_emit_int_relational): Use.
10572 2005-07-13  Eric Christopher  <echristo@redhat.com>
10574         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10575         static extra parts.
10576         * config/s390/s390.md: Include tpf.md. Move tpf specific
10577         patterns...
10578         * config/s390/tpf.md: To here.
10579         * config/s390/s390.opt: Move tpf specific options...
10580         * config/s390/tpf.opt: to here. Add mmain option.
10581         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10582         * config/s390/tpf.h: Rewrite.
10584 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10586         * doc/tm.texi: Remove @xref{Cross-profiling}.
10588 2005-07-13  Jeff Law  <law@redhat.com>
10590         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10591         expressions, test their _DECL operands for pointer equality rather
10592         than using operand_equal_p.
10594 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10596         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10597         (TARGET_POSIX_IO): This.
10598         * config/darwin.h: Likewise.
10599         * config/freebsd.h: Likewise.
10600         * config/linux.h: Likewise.
10601         * config/lynx.h: Likewise.
10602         * config/netbsd.h: Likewise.
10603         * config/rs6000/linux64.h: Likewise.
10604         * config/rs6000/linux.h: Likewise.
10605         * config/s390/tpf.h: Likewise.
10606         * config/sh/embed-elf.h: Likewise.
10607         * config/sparc/linux64.h: Likewise.
10608         * config/sparc/linux.h: Likewise.
10609         * config/svr4.h: Likewise.
10610         * gcov-io.h: Likewise.
10612         * doc/tm.texi: Updated.
10614         * libgcov.c (create_file_directory): Defined only if
10615         TARGET_POSIX_IO is defined.
10616         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10617         is defined.
10619 2005-07-13  Jan Hubicka  <jh@suse.cz>
10621         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10623 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10625         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10626         structure as argument.
10628 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10630         PR tree-optimization/21921
10631         * tree-iterator.c (tsi_link_before): Support the case when
10632         tsi_end_p (tsi) == true.
10634 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10636         PR tree-optimization/22442
10637         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10638         correctly.
10640 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10642         PR rtl-optimization/20376
10643         * toplev.c (process_options): Enable -fweb and -frename-registers when
10644         unrolling.
10645         * doc/invoke.texi: Update the information about when -fweb and
10646         -frename-registers are enabled.
10648 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10650         PR tree-opt/21840
10651         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10652         if *rhs_p is not a SSA_NAME.
10654 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10656         Fix PR tree-optimization/22422
10657         * tree-ssa-structalias.c (struct variable_info): Add flag for
10658         special vars.
10659         (get_varinfo): Now a static function.
10660         (new_varinfo): init has_union and is_special_var to false.
10661         (solution_set_add): Check has_union.
10662         (do_da_constraint): Move temporary variable so it gets reset
10663         properly.
10664         Also check for special variable.
10665         (do_ds_constraint): Ditto.
10666         (do_sd_constraint): Ditto.
10667         (do_structure_copy): Check for special variable.
10668         (find_func_aliases): Ditto.
10669         (init_base_vars): Set special vars properly.
10671 2005-07-13  Jan Hubicka  <jh@suse.cz>
10673         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10674         do unit-at-a-time.
10676         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10677         (get_expr_operands): Fix thinko wrt flags and subvars.
10679         PR tree-optimize/22379
10680         * tree-inline.c (expand_call_inline): Do not output sorry in early
10681         inlining.
10683 2005-07-12  Dale Johannesen  <dalej@apple.com>
10685         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10687 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10689         PR bootstrap/21704
10690         * host-linux.h: Include limits.h.
10692 2005-07-12  Dale Johannesen  <dalej@apple.com>
10694         * expr.c (compress_float_constant):  Add cost check.
10695         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10697 2005-07-12  Dale Johannesen  <dalej@apple.com>
10699         * gcc.target/i386/compress-float-sse.c:  New.
10700         * gcc.target/i386/compress-float-sse-pic.c:  New.
10701         * gcc.target/i386/compress-float-387.c:  New.
10702         * gcc.target/i386/compress-float-387-pic.c:  New.
10703         * gcc.dg/compress-float-ppc.c:  New.
10704         * gcc.dg/compress-float-ppc-pic.c:  New.
10706 2005-07-12  Eric Christopher  <echristo@redhat.com>
10708         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10709         static extra parts.
10710         * config/s390/s390.md: Include tpf.md. Move tpf specific
10711         patterns...
10712         * config/s390/tpf.md: To here.
10713         * config/s390/s390.opt: Move tpf specific options...
10714         * config/s390/tpf.opt: to here. Add mmain option.
10715         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10716         * config/s390/tpf.h: Rewrite.
10718 2005-07-12  Eric Christopher  <echristo@redhat.com>
10720         * gcc.c (struct infile): Update comment for language.
10721         (main): Rewrite input file resetting code.
10723 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10725         PR tree-opt/22335
10726         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10727         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10728         (lookup_avail_expr): Use constant_boolean_node instead
10729         of boolean_false_node/boolean_true_node.
10731 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10733         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10734         and use it when printing num_edges.
10736 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10738         * doc/extend.texi (Blackfin Built-in Functions): New section.
10739         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10740         @opindex.
10742 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10744         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10745         s/cmpstrsi/cmpstrnsi
10746         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10747         'cmpstrnsi'.
10748         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10749         (init_optabs): Initialize cmpstrn_optab.
10750         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10751         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10752         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10753         * config/i386/i386.md: s/cmpstr/cmpstrn
10754         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10755         * doc/md.texi: Update documentation.
10757 2005-07-11  Richard Henderson  <rth@redhat.com>
10759         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10760         build_va_arg_indirect_ref.
10761         (alpha_gimplify_va_arg): Likewise.
10762         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10763         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10764         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10765         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10766         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10767         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10768         Likewise.
10769         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10771 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10773         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10774         * passes.c (init_optimization_passes): Add pass_empty_loop.
10775         * tree-pass.h (pass_empty_loop): Declare.
10776         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10777         try_remove_empty_loop, remove_empty_loops): New functions.
10778         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10779         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10781 2005-07-12  Peter Barada  <peter@the-baradas.com>
10783         PR middle-end/16719
10784         PR middle-end/18421
10785         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10786         in address registers.
10787         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10788         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10789         alternative of addsi3_5200.
10791 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10793         * config/mips/mips.md (ffs<mode>2): Remove.
10795 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10797         * doc/tree-ssa.texi (Cleanups): Improve description of
10798         TRY_FINALLY_EXPR.
10799         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10801 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10803         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10804         * tree.h (DECL_ARGUMENT_FLD): New macro.
10806 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10808         Fix PR tree-optimization/22404
10810         * tree-ssa-structalias.c (create_variable_info_for): Use
10811         correct offset.
10813 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10815         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10816         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10817         for second comparison operand.
10818         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10820         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10821         (define_insn_reservation "alu"): Likewise.
10822         (csync, ssync): Now of type sync.
10823         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10824         -mcsync-anomaly -mspecld-anomaly.
10825         * config/bfin/bfin.opt (mcsync): Remove.
10826         (mcsync-anomaly, mspecld-anomaly): Add.
10827         * config/bfin/bfin.c: Include "insn-codes.h".
10828         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10829         (TARGET_DEFAULT_TARGET_FLAGS): New.
10830         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10832 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10834         * basic-block.h: Give the BB flags enum a name, bb_flags.
10835         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10836         * cfgcleanup.c (enum bb_flags): Remove here.
10837         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10838         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10839         (update_forwarder_flag): Likewise.
10840         (thread_jump): Likewise.
10841         (try_forward_edges): Likewise.
10842         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10843         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10844         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10846 2005-07-11  Richard Guenther  <rguenther@suse.de>
10848         * config/i386/i386.opt: New target option -msseregparm.
10849         * config/i386/i386.c (override_options): Error out for
10850         -msseregparm but no SSE support.
10851         (ix86_function_sseregparm): Check for global sseregparm.
10852         * doc/invoke.texi: Document -msseregparm.
10854 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10856         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10857         (m32rle-*-linux*): Ditto.
10859 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10861         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10862         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10863         bytes.
10865 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10867         PR middle-end/22239
10868         PR target/20126
10869         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10870         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10872 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10874         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10875         (varmap): Heapify varmap.
10876         (constraints): Heapify constraints.
10877         (struct constraint_graph): Heapify succs and preds.
10878         (constraint_vec_find): Update for heapification.
10879         (constraint_set_union): Ditto.
10880         (insert_into_complex): Ditto.
10881         (constraint_edge_vec_find): Ditto.
10882         (erase_graph_self_edge): Ditto.
10883         (add_graph_edge): Ditto.
10884         (get_graph_weights): Ditto.
10885         (merge_graph_nodes): Ditto.
10886         (build_constraint_graph): Ditto.
10887         (topo_visit): Ditto.
10888         (solve_graph): Ditto.
10889         (create_variable_info_for): Ditto.
10890         (init_base_vars): Ditto.
10891         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10892         (condese_varmap_nodes): Free complex vector.
10893         (clear_edges_for_node): Clear succs and preds vector.
10895 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10897         * tree-ssa-structalias.c (update_alias_info): Change counting of
10898         references to not include vdefs.
10900 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10902         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10903         (up_insert): Ditto.
10905 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10907         * pa.c (pa_commutative_p): Make PLUS commutative when
10908         TARGET_NO_SPACE_REGS is true.
10910 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10912         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10913         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10914         * tree-dfa.c (dump_subvars_for): New.
10915         (debug_subvars_for): New.
10916         (dump_variable): Show subvariables if VAR has them.
10917         * tree-flow-inline.h (get_subvar_at): New.
10918         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10919         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10920         Update all users.
10921         (struct subvar): Change fields offset and size to unsigned
10922         HOST_WIDE_INT.
10923         (dump_subvars_for): Declare.
10924         (debug_subvars_for): Declare.
10925         (get_subvar_at): Declare.
10926         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10927         to unsigned HOST_WIDE_INT *.
10928         (overlap_subvar): Likewise.
10929         * tree-gimple.c (is_gimple_reg): Always return false for
10930         SFTs and memory tags.
10931         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10932         Update all callers.
10933         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10934         (compute_may_aliases): Call compute_points_to_sets.
10935         (collect_points_to_info_for): Remove.
10936         (compute_points_to_and_addr_escape): Remove.
10937         (delete_alias_info): Call delete_points_to_sets.
10938         (compute_flow_sensitive_aliasing): If the call to
10939         find_what_p_points_to returns false, call set_pt_anything.
10940         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10941         (set_pt_anything): Clear pi->pt_vars.
10942         (set_pt_malloc): Remove.
10943         (merge_pointed_to_info): Remove.
10944         (add_pointed_to_expr): Remove.
10945         (add_pointed_to_var): Remove.
10946         (collect_points_to_info_r): Remove.
10947         (is_escape_site): Make extern.
10948         (create_sft): New.
10949         (create_overlap_variables_for): Call it.
10950         * tree-ssa-copy.c (merge_alias_info): Never merge
10951         flow-sensitive alias information.
10952         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10953         offset and size to be unsigned HOST_WIDE_INT.
10954         (add_to_addressable_set): Rename from note_addressable.
10955         Set TREE_ADDRESSABLE as the variables are added to the set.
10956         Update all users.
10957         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10958         operands into VUSEs when adding V_MAY_DEFs for members in an
10959         alias set.
10960         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10961         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10962         (struct variable_info): Add bitfield is_heap_var.
10963         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10964         (new_var_info): Initialize is_heap_var.
10965         (get_constraint_for): Add HEAP variables to the symbol table.
10966         Mark them with is_heap_var.
10967         (update_alias_info): New.  Taken mostly from the old
10968         compute_points_to_and_addr_escape.
10969         (handle_ptr_arith): New.
10970         (find_func_aliases): Call update_alias_info.
10971         Call handle_ptr_info for tcc_binary expressions.
10972         Call mark_stmt_modified.
10973         (create_variable_info_for): If DECL has subvars, do not create
10974         variables for its subvars.  Always add all the fields.
10975         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10976         SFTs, then add all the SFTs of the structure.
10977         If VI->DECL is an aggregate with subvariables, add the SFT at
10978         VI->OFFSET.
10979         (find_what_p_points_to): If VI is an artificial variable,
10980         translate to bitfields in SSA_NAME_PTR_INFO.
10981         If the solution is empty, set pi->pt_vars to NULL
10982         (init_base_vars): Create ANYOFFSET.
10983         (compute_points_to_sets): Rename from create_alias_vars.
10984         Make extern.
10985         (pass_build_pta): Remove.
10986         (delete_points_to_sets): Rename from delete_alias_vars.
10987         (pass_del_pta): Remove.
10988         * tree-ssa-structalias.h (struct alias_info): Move from
10989         tree-ssa-alias.h.
10990         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10991         NUM_REFERENCES_SET): Likewise.
10992         (compute_points_to_sets, delete_points_to_sets): Declare.
10994 2005-07-09  Richard Henderson  <rth@redhat.com>
10996         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10997         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10998         alpha_split_lock_test_and_set_12): New functions.
10999         * config/alpha/alpha-protos.h: Update.
11000         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11001         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11002         * config/alpha/sync.md (I12MODE): New.
11003         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11004         (sync_<fetchop_name><I48MODE>): Likewise.
11005         (sync_nand<I48MODE>): Likewise.
11006         (sync_old_<fetchop_name><I48MODE>): Likewise.
11007         (sync_new_<fetchop_name><I48MODE>): Likewise.
11008         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11009         (sync_compare_and_swap<I48MODE>): Likewise.
11010         (sync_lock_test_and_set<I48MODE>): Likewise.
11011         (sync_compare_and_swap<I12MODE>): New.
11012         (sync_compare_and_swap<I12MODE>_1): New.
11013         (sync_lock_test_and_set<I12MODE>): New.
11014         (sync_lock_test_and_set<I12MODE>_1): New.
11016 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11018         PR 21356
11019         PR 22332
11020         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11022 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11024         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11025         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11027 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11029         PR target/21656
11030         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11032 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11034         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11035         memory_operand constraint.
11036         (store_conditional_<mode>): Same.
11037         (sync_compare_and_swap<mode>): Same.
11038         (sync_lock_test_and_set<mode>): Same.
11040 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11042         Rewrite PIC support to more closely model actual instructions.
11043         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11044         (cris_symbol): Remove prototypes for removed functions.
11045         (cris_pic_symbol_type_of, cris_valid_pic_const)
11046         (cris_expand_pic_call_address): Prototypes for new functions.
11047         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11048         variable.
11049         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11050         modifiers.
11051         <case ':'>: Add case for new punctuation character.
11052         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11053         emitting (extra) PIC modifier.
11054         <case UNSPEC>: Do not assert for PLT.
11055         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11056         (cris_expand_prologue, cris_expand_epilogue): Check
11057         for pic_offset_table_rtx usage instead of taking
11058         current_function_uses_pic_offset_table as the final word.
11059         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11060         Remove flag_pic difference.
11061         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11062         the moral equivalents of...
11063         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11064         functions.
11065         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11066         (cris_handle_option): Mark ARG as unused.
11067         (cris_expand_pic_call_address): New worker function for "call",
11068         "call_value".
11069         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11070         output PIC constructs here.
11071         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11072         as symbol-specific modifers, not whole or part of operands.
11073         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11074         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11075         constants and flag_pic.
11076         (CONSTANT_INDEX_P): Adjust for new functions.
11077         (enum cris_pic_symbol_type): New helper type.
11078         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11079         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11080         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11081         define_constants.
11082         ("movsi"): Emit actual instructions for GOT and relative access.
11083         ("*movsi_got_load"): New pattern to set up the register holding
11084         the GOT pointer.
11085         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11086         Adjust FIXME for 'S'.
11087         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11088         Use "movs" for -fpic cases.
11089         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11090         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11091         ("call", "call_value"): Just call cris_expand_pic_call_address for
11092         PIC addresses.
11093         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11094         Remove special pattern.
11095         ("*expanded_call_side", "*expanded_call_value_side"): New
11096         patterns.
11097         (gotplt-to-plt, gotplt-to-plt-side-call)
11098         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11099         peephole2:s.
11100         * config/cris/cris/predicates.md
11101         ("cris_general_operand_or_gotless_symbol"): Remove unused
11102         predicate.
11103         ("cris_general_operand_or_symbol"): Adjust for new functions.
11105 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11107         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11109 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11111         * Makefile.in (TREE_H): Add treestruct.def.
11112         (c-decl.o): Add pointer-set.h
11113         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11114         visibility on regular DECL's.
11115         (merge_decls): Fix the copying of decl nodes of various types for
11116         the new structures.  Don't update RTL, section name, weak status,
11117         etc, on DECL's without RTL.
11118         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11119         Don't check volatile on non-variable types.
11120         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11121         to check whether we have seen arguments.
11122         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11123         flag is checked before field (flag is common, field is not).
11124         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11125         TS_DECL_COMMON could have an origin.
11126         (add_location_or_const_value_attribute): Don't check section name
11127         on non-var/function decls.
11128         (dwarf2out_var_location): Reverse order of tests.
11129         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11130         with DECL_WRTL_CHECK.
11131         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11132         * fold-const.c (fold_binary): Don't check weakness on
11133         non-var/function decls.
11134         (tree_expr_nonzero_p): Ditto.
11135         (fold_checksum_tree): Use tree_decl_extra as sizeof
11136         buffer.
11137         * ggc-page.c (extra_order_size_table): Add sizes for
11138         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11139         tree_field_decl.
11140         * gimplify.c (gimplify_bind_expr): Only set
11141         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11142         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11143         without RTL.
11144         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11145         * langhooks.h (init_ts). New langhook.
11146         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11147         * print-tree.c (print_node): Update to only print fields that
11148         exist in the structures the passed decl has.
11149         * toplev.c (wrapup_global_declarations): Don't reset
11150         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11151         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11152         * tree-inline.c (remap_decl): Ditto.
11153         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11154         * tree-pretty-print.c (print_declaration): Don't print
11155         DECL_REGISTER on things that don't contain it.
11156         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11157         non-var/function decls.
11158         * tree.c (tree_contains_struct): New structure.
11159         (init_priority_for_decl): New hashtable.
11160         (tree_int_map): New structure.
11161         (tree_int_map_eq): New function.
11162         (tree_int_map_marked_p): Ditto.
11163         (tree_int_map_hash): Ditto.
11164         (tree_map): Move to tree.h.
11165         (tree_map_eq): Externalize.
11166         (tree_map_hash): Ditto.
11167         (tree_map_marked_p): Ditto.
11168         (init_ttree): Set up tree_contains_struct and call langhook.
11169         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11170         (tree_code_size): Update for new structures.
11171         (tree_node_structure): Update for new structures.
11172         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11173         without the field.
11174         (copy_node_stat):  Copy init priority.
11175         (build_decl_stat): Ditto for visibility.
11176         (ts_enum_names): New.
11177         (tree_contains_struct_check_failed): New function.
11178         (decl_init_priority_lookup): Ditto.
11179         (decl_init_priority_insert): Ditto.
11180         * treestruct.def: New file.
11181         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11182         (CONTAINS_STRUCT_CHECK): Ditto.
11183         (tree_contains_struct_check_failed): New prototype.
11184         (DECL_CHECK): Removed.
11185         (DECL_MINIMAL_CHECK): New.
11186         (DECL_COMMON_CHECK): Ditto.
11187         (DECL_WRTL_CHECK): Ditto.
11188         (DECL_NON_COMMON_CHECK): Ditto.
11189         (DECL_WITH_VIS_CHECK): Ditto.
11190         (VAR_OR_FUNCTION_DECL_P): Ditto
11191         (struct tree_decl_minimal): New structure.
11192         (struct tree_decl_common): Ditto.
11193         (struct tree_decl_with_rtl): Ditto.
11194         (struct tree_decl_with_vis): Ditto.
11195         (struct tree_decl_non_common): Ditto.
11196         (struct tree_field_decl): Ditto.
11197         (struct tree_parm_decl): Ditto.
11198         (struct tree_var_decl): Ditto.
11199         (struct tree_function_decl): Ditto.
11200         (struct tree_const_decl): Ditto.
11201         (struct tree_result_decl): Ditto.
11202         (union tree_node): Add new structures.
11203         * var-tracking.c (track_expr_p): Reverse order of tests.
11205         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11207 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11209         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11210         * system.h: Poison FINALIZE_PIC.
11211         * doc/tm.texi (FINALIZE_PIC): Remove.
11213 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11215         PR tree-opt/22329
11216         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11217         to the correct type if we have a MODIFY_EXPR.
11219 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11221         PR tree-optimization/22360
11222         * tree.c (upper_bound_in_type): Fix calculations for casting
11223         to a non-wider signed type and casting a signed value to a
11224         wider unsigned type.
11225         (lower_bound_in_type): Fix calculations for casting to a
11226         non-wider signed type.
11228         PR tree-optimization/20139
11229         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11230         release_defs.
11231         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11232         fold_cond_expr_cond.
11233         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11234         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11236 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11238         PR tree-opt/22356
11239         * tree-complex.c (expand_complex_libcall): Produce
11240         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11242 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11244         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11245         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11246         b" assert and inserted fastpath code for this case.
11247         (bitmap_ior): Removed "a != b" assert.
11249 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11251         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11252         (ENDFILE_SPEC): Likewise.
11253         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11255         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11256         a large stack frame at epilogue.
11258 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11260         * final.c: Include sdbout.h when required.
11262 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11264         * config.gcc (*-*-darwin*): Only one target-specific header file
11265         for generic darwin.
11266         (powerpc-*-darwin*): Add version-specific header files.
11267         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11268         * config.in: Regenerate.
11269         * configure: Regenerate.
11270         * gcc.c: Include xregex.h.
11271         (version_compare_spec_function): New.
11272         (spec_function): Add version-compare.
11273         (replace_outfile_spec_function): Reformat comment.
11274         (compare_version_strings): New.
11275         * config/darwin-c.c (version_as_macro): New.
11276         (builtin_define): New.
11277         (darwin_cpp_builtins): New.
11278         * config/darwin-protos.h (darwin_cpp_builtins): New.
11279         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11280         (LIB_SPEC): Make unconditional, update comment.
11281         (TARGET_C99_FUNCTIONS): Define.
11282         * config/darwin.opt: Sort.
11283         (mmacosx-version-min=): New.
11284         * config/darwin7.h: Delete.
11285         * config/darwin8.h: Delete.
11286         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11287         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11288         (TARGET_C99_FUNCTIONS): Define.
11289         * config/rs6000/darwin7.h: New.
11290         * config/rs6000/darwin8.h: New.
11291         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11292         (-mmacosx-version-min): Document.
11294 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11296         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11298 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11300         PR middle-end/22239
11301         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11303 2005-07-07  Khem Raj  <kraj@mvista.com>
11305         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11306         in bytes, not words.
11308 2005-07-07  Paul Brook  <paul@codesourcery.com>
11310         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11311         DEFAULT_FUNCTION_ARG_PADDING to upward.
11313 2005-07-07  Richard Henderson  <rth@redhat.com>
11315         * function.c (locate_and_pad_parm): Record parameter alignment in
11316         stack_alignment_needed.
11318 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11320         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11321         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11322         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11323         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11324         (define_attr "type"): Add isync, sync, load_l, store_c.
11325         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11326         Create scratch volatile MEM.
11327         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11328         sync.
11329         (load_locked_<mode>): New.
11330         (store_conditional_<mode>): New.
11331         (sync_compare_and_swap<mode>): Replace with splitter.
11332         (sync_lock_test_and_set<mode>): Replace with splitter.
11333         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11334         and UNSPECV_ISYNC.
11335         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11336         is ics.  Attribute isync.
11337         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11338         lwsync.
11339         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11340         and UNSPECV_SYNC_OP.
11341         (emit_unlikely_jump): New.
11342         (emit_load_locked): New.
11343         (emit_store_conditional): New.
11344         (rs6000_split_compare_and_swap): New.
11345         (rs6000_split_lock_test_and_set): New.
11346         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11347         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11348         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11349         rs6000_split_lock_test_and_set): Declare.
11350         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11351         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11352         store_c, isync, sync.
11354 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11356         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11357         filenames to gtyp-gen.h.
11358         (s-typ-gen): Use it in place of for loops.
11360 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11362         * hooks.c (hook_bool_rtx_int_false): New function.
11363         * hooks.h (hook_bool_rtx_int_false): Declare.
11364         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11365         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11366         * target.h (struct gcc_target): Add commutative_p member.
11367         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11368         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11369         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11370         (pa_commutative_p): New function.
11371         * jump.c (target.h): Include.
11372         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11373         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11375 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11377         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11378         (s390_expand_setmem): New.
11379         * config/s390/s390.c: Likewise.
11380         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11381         Adapt comments.
11382         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11383         general_operand.  Call new function "s390_expand_setmem".
11384         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11385         ("setmem_long", "*setmem_long"): ... this.
11387 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11389         * config/s390/s390.c: (optimization_options): Enable
11390         TARGET_MVCLE at -Os.
11391         * doc/invoke.texi: Document changes in default behaviour.
11392         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11394 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11396         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11397         defined by back-end.
11399 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11401         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11402         all sets in the pattern.
11403         * config/rs6000/rs6000.md (stack_protect_testsi,
11404         stack_protect_testdi): Likewise.
11406 2005-07-06  Jeff Law  <law@redhat.com>
11408         * tree-vrp.c (simplify_using_ranges): Kill.
11409         (vrp_finalize): Remove call to simplify_using_ranges.
11410         (simplify_stmt_using_ranges): New function extracted from
11411         simplify_using_ranges.
11412         (simplify_div_or_mod_using_ranges): Likewise.
11413         (simplify_abs_using_ranges): Likewise.
11414         (simplify_cond_using_ranges): New function.
11415         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11416         * tree-ssa-propagate.c (substitute_and_fold): Call
11417         simplify_stmt_using_ranges if we have range information.
11419 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11421         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11422         ia64_flag_schedule_isns2.
11424         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11425         reading/writing general registers.
11426         (ia64_function_arg): Revert 2005-06-18 change.
11428 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11430         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11431         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11433 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11435         * function.c (expand_function_end): Revert part of 2005-06-27
11436         patch.  Do sjlj_emit_function_exit_after after return_label.
11438 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11440         * doc/install.texi (--disable-libssp): New.
11442 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11444         * doc/invoke.texi: Update -fforce-mem documentation.
11445         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11446         code for -fforce-mem.
11447         * expmed.c: (store_bit_field,store_fixed_bit_field,
11448         extract_bit_field): Ditto.
11449         * expr.c: (convert_move): Ditto.
11450         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11451         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11452         emit_conditional_add,expand_float,expand_fix): Ditto.
11453         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11454         (common_handle_option): Issue warning when -fforce-mem specified.
11456 2005-07-06  Paul Brook  <paul@codesourcery.com>
11458         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11459         argument is empty.
11460         * configure: Regenerate.
11462 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11464         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11466 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11468         Fix PR tree-optimization/22319
11469         Fix PR tree-optimization/22140
11470         Fix PR tree-optimization/22310
11472         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11473         variable sized types.
11474         Use correct type for intermediate structure on *a = *b structure
11475         copies.
11477 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11479         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11480         Remove.
11481         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11482         (machine_function): Move typedef to...
11483         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11484         varargs_save_offset field.
11485         (rs6000_stack_t): Remove varargs_size field.
11486         (setup_incoming_varargs): Allocate varargs save area using
11487         assign_stack_local, try to make it as small as possible.
11488         Save offset from virtual_stack_vars_rtx to the save area
11489         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11490         instead of magic 8 when fp word byte size is used.
11491         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11492         instead of -RS6000_VARARGS_SIZE.
11493         (rs6000_stack_info, debug_stack_info,
11494         rs6000_initial_elimination_offset): Remove all traces of
11495         varargs_size.
11496         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11497         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11498         RS6000_VARARGS_AREA.
11500 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11502         PR tree-optimization/21963
11503         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11504         constant_multiple_of in the same way get_computation_cost_at does.
11506 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11508         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11509         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11510         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11511         and return its previous value.
11512         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11513         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11514         constants.
11515         (stack_protect_set, stack_protect_test): New expanders.
11516         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11517         stack_protect_testdi): New insns.
11518         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11519         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11521 2005-07-06  Jeff Law  <law@redhat.com>
11523         * tree-ssa-dce.c (cfg_altered): New global.
11524         (tree_dce_init): Initialize cfg_altered.
11525         (remove_dead_stmt): If we remove an edge in the CFG, then set
11526         CFG_ALTERED.
11527         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11528         the dominators.
11530 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11532         * Makefile.in (stamp-collect-ld): Use
11533         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11534         ./collect-ld if it already exists.
11535         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11536         Don't remove ./nm if it already exists.
11538 2005-07-05  Devang Patel  <dpatel@apple.com>
11540         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11541         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11542         * tree-vectorizer.c (vect_loop_location): New.
11543         (vect_print_dump_info): Use vect_loop_location.
11544         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11545         (vectorize_loops): Set vect_loop_location.
11546         * tree-vect-analyze.c (vect_analyze_offset_expr,
11547         vect_determin_vectorization_factor, vect_analyze_operations,
11548         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11549         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11550         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11551         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11552         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11553         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11554         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11555         vect_analyze_loop): Adjust vect_print_dump_info API.
11556         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11557         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11558         vect_finish_stmt_generation, vectorizable_assignment,
11559         vectorizable_operation, vectorizable_store, vectorizable_load,
11560         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11561         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11562         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11563         vect_transform_loop): Same.
11564         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11565         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11566         Same.
11568 2005-07-05  Randolph Chung  <tausq@debian.org>
11570         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11571         * configure: Regenerate.
11572         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11573         (pa_tls_referenced_p): Declare.
11574         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11575         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11576         (legitimize_tls_address): New.
11577         (hppa_legitimize_address): Handle TLS addresses.
11578         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11579         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11580         (emit_move_sequence): Handle TLS addresses.
11581         (pa_encode_section_info): Call default handler to handle common
11582         sections.
11583         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11584         (CONSTANT_ADDRESS_P): Reject TLS operands.
11585         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11586         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11587         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11588         (UNSPEC_TLSLE): Define new constants.
11589         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11590         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11591         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11592         (tie_symbolic_operand, tle_symbolic_operand): New
11594 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11596         * aclocal.m4: Update macros for autoconf 2.59 style.
11597         * configure.ac: Likewise.
11599 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11601         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11602         (function_arg): Pass small aggregates in general registers on 32-bit
11603         targets.
11604         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11606 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11608         * Makefile.in (final.o): Fix dependencies.
11610 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11612         PR c/22013
11613         PR c/22098
11614         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11615         * langhooks.c (lhd_expr_to_decl): New.
11616         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11617         New.
11618         (LANG_HOOKS_INITIALIZER): Update.
11619         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11620         expr_to_decl langhook.
11621         * c-tree.h (c_expr_to_decl): Declare.
11622         * c-typeck.c (c_expr_to_decl): New.
11623         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11624         specially.
11625         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11627 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11629         PR c/22308
11630         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11631         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11633 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11635         * Makefile.in: Adjust dependencies.
11636         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11637         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11638         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11639         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11640         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11641         rest_of_compilation.
11643         * bb-reorder.c (gate_duplicate_computed_gotos,
11644         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11645         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11646         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11647         pass_partition_blocks): New.
11648         * bt-load.c (gate_handle_branch_target_load_optimize,
11649         rest_of_handle_branch_target_load_optimize,
11650         pass_branch_target_load_optimize): New.
11651         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11652         pass_jump2): New.
11653         * cfglayout.c (pass_insn_locators_initialize): New.
11654         * cfgrtl.c (pass_free_cfg): New.
11655         * combine.c (gate_handle_combine, rest_of_handle_combine,
11656         pass_combine): New.
11657         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11658         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11659         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11660         * except.c (pass_set_nothrow_function_flags,
11661         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11662         pass_rtl_eh): New.
11663         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11664         rest_of_handle_shorten_branches, pass_shorten_branches,
11665         rest_of_clean_state, pass_clean_state): New.
11666         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11667         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11668         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11669         pass_flow2): New.
11670         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11671         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11672         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11673         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11674         pass_gcse): New.
11675         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11676         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11677         pass_rtl_ifcvt, gate_handle_if_after_combine,
11678         rest_of_handle_if_after_combine, pass_if_after_combine,
11679         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11680         pass_if_after_reload): New.
11681         * integrate.c (pass_initial_value_sets): New.
11682         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11683         pass_purge_lineno_notes): New.
11684         * mode-switching.c (rest_of_handle_mode_switching,
11685         pass_mode_switching): New.
11686         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11687         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11688         pass_loop2): New.
11689         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11690         pass_loop_optimize): New.
11691         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11692         pass_sms): New.
11693         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11694         pass_gcse2): New.
11695         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11696         pass_postreload_cse): New.
11697         * profile.c (gate_handle_profiling, pass_profiling,
11698         rest_of_handle_branch_prob, pass_branch_prob): New.
11699         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11700         pass_split_before_regstack, gate_handle_split_before_regstack,
11701         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11702         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11703         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11704         pass_stack_regs): New.
11705         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11706         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11707         pass_stack_adjustments): New.
11708         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11709         pass_regrename): New.
11710         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11711         pass_delay_slots, gate_handle_machine_reorg,
11712         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11713         * rtl.h (extern void purge_line_number_notes): New.
11714         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11715         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11716         pass_sched2): New.
11717         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11718         pass_tracer): New.
11719         * value-prof.c (gate_handle_value_profile_transformations,
11720         rest_of_handle_value_profile_transformations,
11721         pass_value_profile_transformations): New.
11722         * var-tracking.c (gate_handle_var_tracking,
11723         pass_variable_tracking): New.
11724         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11726         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11727         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11728         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11729         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11730         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11731         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11732         rest_of_handle_gcse2, rest_of_handle_regmove,
11733         rest_of_handle_tracer, rest_of_handle_if_conversion,
11734         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11735         rest_of_handle_web, rest_of_handle_branch_prob,
11736         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11737         rest_of_handle_jump_bypass, rest_of_handle_combine,
11738         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11739         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11740         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11741         rest_of_handle_mode_switching, rest_of_handle_jump,
11742         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11743         rest_of_handle_flow2, rest_of_handle_jump2,
11744         rest_of_handle_peephole2, rest_of_handle_postreload,
11745         rest_of_handle_shorten_branches, rest_of_clean_state,
11746         rest_of_compilation): Remove.
11748         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11749         * passes.c (dump_flags, in_gimple_form, all_passes,
11750         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11751         register_dump_files, next_pass_1, last_verified, execute_todo,
11752         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11753         from tree-optimize.c.
11754         (init_optimization_passes): Moved from tree-optimize.c,
11755         adding the RTL optimizations.
11756         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11757         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11758         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11759         register_dump_files, next_pass_1, last_verified, execute_todo,
11760         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11761         init_tree_optimization_passes, ipa_passes): Delete.
11762         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11763         the RTL dumps.
11764         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11765         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11766         from tree.h.
11767         (ipa_passes): Remove.
11768         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11769         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11770         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11771         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11772         (dump_info_p, dump_flag): Moved to tree-dump.h.
11774         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11775         cgraph.c, opts.c.
11776         * passes.c (finish_optimization_passes): Use dump_begin
11777         and dump_end, TDI_end.
11778         (gate_rest_of_compilation): New.
11779         (pass_rest_of_compilation): Use it.
11780         (gate_postreload, pass_postreload): New.
11781         * toplev.c (general_init): Rename init_tree_optimization_passes.
11782         * toplev.h (init_tree_optimization_passes): Rename to
11783         init_optimizations_passes.
11784         * tree-dump.c (dump_flag): Make static.
11785         (dump_files): Remove RTL dumps.
11786         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11787         pass_cleanup_cfg, pass_free_cfg_annotations,
11788         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11789         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11790         * tree-pretty-print.c: Include tree-pass.h.
11791         * cgraph.c: Include tree-dump.h.
11793 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11795         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11796         Only fall back to saying it points to readonly memory if
11797         we can't do better.
11799 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11801         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11802         * config/m32r/m32r.c (m32r_compute_frame_size,
11803         m32r_expand_prologue): Take current_function_profile into
11804         account whenever we reference
11805         current_function_uses_pic_offset_table.
11806         (m32r_finalize_pic): Remove.
11807         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11809 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11811         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11812         instead of $<.  Don't remove ./as if it already exists.
11814 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11816         PR target/21723
11817         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11818         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11819         for complex modes when generating code for PA 1.0.
11820         (VALID_FP_MODE_P): New macro.
11821         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11822         sets for all general and floating point modes.  Align wide floating
11823         point modes to even register boundaries to comply with architectural
11824         requirements.
11825         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11826         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11827         (VALID_FP_MODE_P): New macro.
11828         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11829         sets for all general and floating point modes.  Align wide floating
11830         point modes to even register boundaries to comply with architectural
11831         requirements.
11833 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11835         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11836         to 0.
11838 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11840         * tree-ssa-structalias.c: Don't include expr.h.
11842 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11844         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11845         comments.
11847 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11849         Fix PR tree-optimization/22279
11851         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11852         correct operator.
11854 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11856         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11858 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11860         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11861         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11862         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11863         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11864         config/stormy16/stormy16.c, config/v850/v850.c,
11865         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11866         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11867         Avoid "." or "\n" at end of diagnostics and capital letters at
11868         start of diagnostics.
11869         * combine.c, cse.c: Don't translate dump file output.
11870         * toplev.c (print_version): Only translate output if going to
11871         stderr.
11873 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11875         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11876         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11877         typos.
11879 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11881         * pa.c (fix_range): Fix typo in comment.
11883 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11885         * tree-vrp.c (extract_range_from_assert): Replace
11886         fold (build (...)) with fold_build2.
11888 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11890         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11891         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11892         (format_types_orig, handle_format_attribute): Add support for
11893         format "gcc_gfc".
11895 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11897         * varasm.c (assemble_variable): Fix format specifier thinko.
11899 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11901         PR tree-optimization/22029 (and 22135)
11902         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11903         a phi node before calling dump_vops.
11905 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11907         * tree-dump.h (dump_string_field): Declare.
11908         * tree-dump.c: Use it instead of dump_string.
11909         (dump_string_field): Make non-static.
11911 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11913         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11914         up the minimal CFG stuff always when optimize > 0.  Call
11915         split_all_insns_noflow in PIC case if needed.
11917 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11918             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11920         PR c++/18279
11921         * c-decl.c (c_write_global_declarations): Dump contents of
11922         external scope to.
11923         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11924         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11925         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11926         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11927         is enabled.
11929 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11931         * c-common.h (GCC_DIAG_STYLE): Define.
11932         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11933         version for format checking to 4.1.
11934         * c-format.c: Include toplev.h after c-common.h.
11935         (enum format_type): Add gcc_tdiag_format_type.
11936         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11937         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11938         (format_types_orig): Add gcc_tdiag.
11939         (init_dynamic_diag_info): Support gcc_tdiag formats.
11940         (handle_format_attribute): Likewise.
11941         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11942         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11943         version for format checking to 4.1.
11944         (warning0, warning, error, pedwarn, sorry): Use
11945         ATTRIBUTE_GCC_DIAG.
11946         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11947         (finish_aliases_1): Do not use %qE.
11948         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11949         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11950         Correct format bugs.
11951         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11952         parameter to unsigned HOST_WIDE_INT.
11953         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11955 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11957         PR middle-end/21742
11958         * expr.c (write_complex_part): Use adjust_address for MEM.
11959         (read_complex_part): Same.
11961 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11963         Fix PR tree-optimization/22280
11965         * tree-sra.c (generate_element_init): Remove useless loop.
11967 2005-07-02  Richard Henderson  <rth@redhat.com>
11969         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11970         TLS_MODEL_NONE.
11971         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11973 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11975         PR middle-end/14490
11976         * fold-const.c (fold_binary): Handle the return value of
11977         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11978         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11980 2005-07-02  Jeff Law  <law@redhat.com>
11982         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11983         a eliminate type conversion which feeds an equality comparison
11984         if the original type or either operand in the comparison is a
11985         function pointer.
11987 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11989         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11990         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11991         texts.
11992         * config/avr/avr.c: Do not use '`' as left quote.
11993         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11994         Remove "." from end of diagnostics.  Make diagnostics start with
11995         lowercase letter.
11997 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11998             Joseph S. Myers  <joseph@codesourcery.com>
12000         * toplev.c (default_tree_printer): Handle setting location with
12001         '+' flag.
12002         * c-objc.common.c (c_tree_printer): Likewise.
12003         * c-format.c (gcc_diag_flag_specs): Add '+'.
12004         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12005         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12006         formats.
12007         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12008         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12009         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12010         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12011         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12012         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12013         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12014         format arguments where %J is used without %D.
12016 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12018         * gcc.c (LINK_SSP_SPEC): Define.
12019         (link_ssp_spec): New variable.
12020         (LINK_COMMAND_SPEC): Add %(link_ssp).
12021         (static_specs): Add link_ssp_spec.
12022         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12023         * configure: Rebuilt.
12024         * config.in: Rebuilt.
12026         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12027         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12028         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12029         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12030         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12031         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12032         -0x7008(2) instead of reading __stack_chk_guard variable.
12033         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12034         number.
12035         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12036         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12037         if TARGET_THREAD_SSP_OFFSET is defined.
12038         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12039         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12041         Revert:
12042         2005-06-27  Richard Henderson  <rth@redhat.com>
12043         * libgcc-std.ver (GCC_4.1.0): New.
12044         * libgcc.h (__stack_chk_guard): Declare.
12045         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12046         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12047         * mklibgcc.in (lib2funcs): Add them.
12049 2005-07-01  Richard Henderson  <rth@redhat.com>
12051         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12052         void * before struct sigcontext *.
12053         (x86_fallback_frame_state): Likewise.
12055 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12057         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12059 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12061         PR tree-opt/22269
12062         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12063         we check for SSA_NAME for.
12065 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12067         Fix PR tree-optimization/22071
12069         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12070         function.
12071         (get_constraint_for_component_ref): Use it.
12073 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12075         PR other/22264
12076         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12077         print out the last new line.
12079 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12081         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12082         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12083         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12084         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12085         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12086         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12087         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12088         (enum reg_class): New member CC0_REGS.
12089         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12090         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12091         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12092         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12093         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12094         Adjust for register now described.
12096 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12098         PR target/22262
12099         * config/i386/i386.md (stack_protect_test_si,
12100         stack_protect_test_di): Add earlyclobber for scratch 3.
12101         * config/rs6000/rs6000.md (stack_protect_testsi,
12102         stack_protect_testdi): Add earlyclobber for scratch 3,
12103         remove earlyclobber from scratch 4.
12105 Older entries for 2005 can be found in ChangeLog-2005.