1 2005-12-17 Kazu Hirata <kazu@codesourcery.com>
3 PR rtl-optimization/25456
4 * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
5 info->x_start with p->x_start.
7 2005-12-17 Alan Modra <amodra@bigpond.net.au>
9 * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
10 introduced 2005-12-16.
12 2005-12-16 Steven Bosscher <stevenb@suse.de>
14 PR rtl-optimization/23837
15 * optabs.c (expand_binop): For a multi-word rotate, never emit
16 a REG_NO_CONFLICT block.
18 2005-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21 * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
24 * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
27 2005-12-16 Steven Bosscher <stevenb@suse.de>
29 * loop-invariant.c (move_loop_invariants): Add missing hunk from
30 the previous patch, to nullify df.
32 2005-12-16 Steven Bosscher <stevenb@suse.de>
34 * reorg.c (mostly_true_jump): Clean up code depending on
35 LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
36 poor man's branch prediction, instead rely on REG_BR_PROB
37 notes to be available.
39 2005-12-16 Jakub Jelinek <jakub@redhat.com>
41 PR rtl-optimization/24899
42 * loop.c (strength_reduce): Don't reduce giv that is not always
43 computable and where add_val or mult_val can trap.
45 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
47 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
49 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
50 names of ms1-16-002 files.
52 2005-12-16 Alan Modra <amodra@bigpond.net.au>
55 * gcc.c (for_each_path): New function.
56 (add_to_obstack, file_at_path): New functions.
57 (struct file_at_path_info, struct add_to_obstack_info): New.
58 (build_search_list): Rewrite using for_each_path. Constify struct
59 path_prefix pointer. Add do_multi param. Adjust all callers.
60 (find_a_file): Similarly, but just change existing param to bool.
61 (putenv_from_prefixes): Add do_multi param, make "paths" const.
62 (do_spec_path): Delete.
63 (struct spec_path_info): New.
64 (spec_path): New function.
65 (do_spec_1): Use for_each_path for %D and %I.
66 (find_file): Adjust for find_a_file changes.
67 (main): Search multilibs for specs. Print multilib lib path for
68 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
69 (read_specs): Search multilibs for %include and %include_noerr.
70 (is_directory): Remove second string param. Change last param
71 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
72 check path is a dir. Update all callers.
73 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
74 * system.h (SMALL_ARG_MAX): Poison.
75 * config.gcc: Don't define SMALL_ARG_MAX.
76 * config.host: Likewise.
77 * config.build: Likewise.
79 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
81 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
82 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
83 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
84 simplify_logical): Move simplifications that do not require
85 additional infrastructure...
86 * simplify-rtx.c (simplify_unary_operation_1,
87 simplify_binary_operation_1): ... here.
89 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
92 * flow.c (mark_used_dest_regs): New function.
93 (mark_used_regs): Call mark_used_dest_regs.
95 2005-12-16 Jeff Law <law@redhat.com>
97 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
98 represent a use and definition of the same SSA_NAME.
100 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
101 Janis Johnson <janis187@us.ibm.com>
102 Ben Elliston <bje@au.ibm.com>
104 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
105 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
106 * target.h (struct gcc_target): Add decimal_float_supported_p.
107 * targhooks.c (default_scalar_mode_supported_p): Handle
109 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
110 of inf, nan, finite, isinf and isnan.
111 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
112 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
113 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
114 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
115 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
116 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
117 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
118 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
119 Pedwarn if decimal floating point types are used. Error if
120 decimal floating point is not supported by the target.
121 (finish_declspecs): Return type from DFP typespec_word.
122 * c-typeck.c (c_common_type): Choose the decimal floating point
123 type with the greater precision when determining a common type.
124 (convert_arguments): Warn if there is a mismatch between argument
125 and prototype for decimal float types. Warn of conversions with
126 binary float types and of precision narrowing due to prototype.
127 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
128 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
129 (c_token_starts_declspecs): Likewise.
130 (c_parser_attributes): Likewise.
131 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
132 RID_DFLOAT64, RID_DFLOAT128.
133 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
134 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
135 (shorten_compare): Convert DFP/BFP operands to a common type.
136 (c_common_modes_and_builtins): Register built-in decimal float
137 types if the target supports them.
138 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
139 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
140 inf, nan, finite, isinf and isnan builtins.
141 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
142 (builtin_define_float_constants): Assert non-decimal radix.
143 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
144 Call builtin_define_decimal_float_constants for each type.
145 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
146 flags. Use real_from_string3, which can handle binary or decimal
148 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
149 cts_dfloat64, cts_dfloat128.
150 * tree.c (build_common_tree_nodes_2): Add decimal float types.
151 * tree.h (enum tree_index): Add new enumeration values
152 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
153 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
154 (dfloat32_type_node): New macro.
155 (dfloat64_type_node, dfloat128_type_node): Likewise.
156 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
157 (dfloat128_ptr_type_node): Likewise.
158 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
159 bit decimal floating point types with "df", "dd" and "dl".
160 * c-format.h (enum format_lengths): Add new enumeration values
161 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
162 * c-format.c (printf_length_specs, scanf_length_specs): Add
163 entries for H, D, DD.
164 (print_char_table, scan_char_table): Use new entries.
165 (asm_fprintf_char_table, gcc_diag_char_table,
166 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
168 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
169 (DECIMAL64_TYPE_SIZE): Likewise.
170 (DECIMAL128_TYPE_SIZE): Likewise.
171 (TARGET_DEC_EVAL_METHOD): Likewise.
172 * doc/extend.texi (Decimal Float): New node.
173 (Constructing Calls): Document decimal float built-ins.
174 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
175 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
176 * ginclude/decfloat.h: New file.
178 2005-12-16 Alan Modra <amodra@bigpond.net.au>
180 * reload.c (find_reloads): Fix comment typo.
181 * recog.h (recog_memoized): Correct comment.
183 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
185 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
186 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
187 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
188 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
189 * doc/invoke.texi, doc/tm.texi: Fix typos.
191 2005-12-16 Ben Elliston <bje@au.ibm.com>
193 * real.c (decimal_quad_format): Correct values for emin, emax.
195 2005-12-15 DJ Delorie <dj@redhat.com>
197 * config/m32c/predicates.md (m32c_psi_scale): New.
198 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
199 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
201 2005-12-16 Jan Hubicka <jh@suse.cz>
203 PR rtl-optimization/25224
204 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
207 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
208 Steven Bosscher <stevenb@suse.de>
210 * loop-invariant.c (df): New global variable.
211 (find_defs, check_dependencies, find_invariant_insn, record_uses,
212 find_invariants_bb, find_invariants_body, find_invariants,
213 find_invariants_to_move, move_invariants, free_inv_motion_data,
214 move_single_loop_invariants, move_loop_invariants): Do not pass df in
217 2005-12-15 Jakub Jelinek <jakub@redhat.com>
219 * varasm.c (default_unique_section_1): Use special section
220 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
222 2005-12-16 Ben Elliston <bje@au.ibm.com>
224 * doc/invoke.texi (Warning Options): Document -Walways-true being
227 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
230 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
231 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
232 __floatunditf): Use #error if type sizes don't match requirements
234 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
235 as wider floating-point type. Use #error if type sizes don't
236 match requirements of implementation. Avoid overflow in computing
237 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
238 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
239 (__floatundisf, __floatundidf): Likewise.
240 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
241 * config/ia64/ia64.c (ia64_init_libfuncs): Use
242 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
243 TFmode-TImode conversions.
244 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
246 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
248 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
249 Use builtin_define_with_int_value() instead of
250 adding a new check for every new major FreeBSD version.
252 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
254 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
256 2005-12-15 Richard Sandiford <richard@codesourcery.com>
258 * config/arm/predicates.md (call_memory_operand): New.
259 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
261 2005-12-15 Andrew Haley <aph@redhat.com>
263 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
264 against prev_cache_entry == NULL when moving a cache entry to the
267 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
269 * config/mt/mt.c (mt_override_options): Require lower case
270 architectures. Revert accidental default to ms2.
271 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
272 ENDFILE_SPEC): Require lower case architectures. Revert default
275 * doc/invoke.texi (MT Options): Rename and update.
276 * doc/md.texi (MorphoTech family): Rename and update.
278 2005-12-15 Olivier Hainque <hainque@adacore.com>
280 * stor-layout.c (layout_type): Don't complain about a too small
281 an array element type size compared to its alignment when the
284 2005-12-15 Jan Hubicka <jh@suse.cz>
287 * i386.c (classify_argument): Properly adjust offset of bitfield for
290 2005-12-15 Richard Sandiford <richard@codesourcery.com>
292 * final.c (final_scan_insn): Flip in_cold_section_p when changing
293 between the hot and cold sections. Use current_function_section
294 to get the new section.
295 * dwarf2out.c (output_line_info): Use in_cold_section_p to
296 determine whether we are assembling hot or cold code.
297 (secname_for_decl, dwarf2out_var_location): Likewise.
298 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
299 * varasm.c (last_text_section): Delete.
300 (in_cold_section_p): New variable.
301 (hot_function_section): New function.
302 (current_function_section): Pass in_cold_section_p as the
303 reloc argument to select_section. Use it to decide between
304 unlikely_function_section and hot_function_section.
305 (assemble_start_function): Use switch_to_section. Set
306 in_cold_section_p instead of last_text_section.
307 (assemble_end_function): Use switch_to_section.
308 (switch_to_section): Don't set last_text_section.
309 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
310 argument to make the right choice between hot and cold sections.
312 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
314 Second part of MS1->MT renaming
315 * config/mt/mt.md (doloop_end): Call mt_add_loop.
316 (movqi, movhi): Call mt_set_memflags.
317 (*movdf_internal): Call mt_split_words.
318 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
320 (cmpsi): Store to mt_compare_op[01].
321 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
322 bungt, bunle, bunlt): Call mt_emit_cbranch.
323 (prologue): Call mt_expand_prologue.
324 (epilogu): Call mt_expend_epilogue.
325 (eh_return): Call mt_expand_eh_return.
326 (eh_epilogue): Call me_emit_eh_epilogue.
327 (conditional_trap): Store to mt_compare_op[01].
328 * config/mt/crti.asm: Adjust comment.
329 * config/mt/crtn.asm: Adjust comment.
330 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
331 (mt_compare_op0, mt_compare_op1): Renamed.
332 (current_frame_info, zero_frame_info): Adjust type.
333 (mt_ucmpsi3_libcall): Renamed.
334 (mt_flag_delayed_branch): Renamed.
335 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
336 (mt_nops_required, mt_nop_reasons): Renamed.
337 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
338 mt_debug_stack, mt_print_operand_simple_address,
339 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
340 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
341 mt_function_arg_advance, mt_arg_partial_bytes,
342 mt_pass_by_reference, mt_function_arg_boundary,
343 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
344 mt_legitimate_address_p): Renamed, adjusted.
346 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
347 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
348 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
349 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
350 mt_expand_eh_return, mt_emit_eh_prologue,
351 mt_handl_interrupt_attribute): Renamed, adjusted.
352 (mt_attribute_table): Renamed, adjusted.
353 (mt_initial_elimination_offset, mt_generate_compare,
354 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
355 mt_secondary_reload_class, mt_function_value, mt_split_words,
356 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
357 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
358 (mt_labels): Renamed.
359 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
360 mt_machine_reorg): Renamed, adjusted.
361 (mt_attribute_table: Renamed.
362 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
363 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
364 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
365 * config/mt/mt.opt (march): Set mt_cpu_string.
366 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
367 (TARGET_CPU_CPP_BUILTINS): Adjust.
368 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
370 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
371 (MT_MIN_INT): Renamed.
372 (RETURN_ADDR_RTX): Adjust.
373 (struct mt_frame_info): Renamed.
374 (current_frame_info): Adjust type.
375 (INITIAL_ELIMINATION_OFFSET): Adjust.
376 (MT_NUM_ARG_REGS): Renamed.
377 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
378 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
379 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
380 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
381 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
382 (mt_compare_op0, mt_compare_op1): Renamed.
383 * config/mt/mt-protos.h: Rename prototypes.
385 2005-12-15 Richard Guenther <rguenther@suse.de>
387 * tree-flow.h (okay_component_ref_for_subvars): Remove.
388 (get_ref_base_and_extent): Declare.
389 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
390 (get_ref_base_and_extent): New function.
391 * tree-ssa-alias.c (find_used_portions): Use it.
392 * tree-ssa-structalias.c (get_constraint_for_component_ref):
394 * tree-ssa-operands.c (get_expr_operands): Likewise.
396 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
398 * combine.c: Remove force_to_mode's fourth parameter.
399 (force_to_mode): Do not handle REG.
400 (canon_reg_for_combine): New.
401 (make_field_assignment): Use it where the removed argument was non-NULL.
403 2005-12-15 Alan Modra <amodra@bigpond.net.au>
406 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
407 error_mark_node. Make alignment params unsigned.
408 * config/rs6000/rs6000-protos.h
409 (rs6000_special_round_type_align): Update prototype.
410 (rs6000_machopic_legitimize_pic_address): Remove arg names.
412 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
414 PR rtl-optimization/25310
415 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
416 of the eliminable register when substituting into a PLUS.
418 2005-12-14 Jakub Jelinek <jakub@redhat.com>
421 * config/i386/i386.c (ix86_force_to_memory): Always use
422 SImode push for HImode in -m32.
423 (ix86_free_from_memory): Likewise.
425 2005-12-14 Richard Sandiford <richard@codesourcery.com>
427 * gcc/config/arm/arm.md: Provide a big-endian version of the
428 (zero_extend:SI (subreg:QI ...)) splitter.
430 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
432 * struct-equiv.c (note_local_live): Handle hard regs with different
435 2005-12-14 Jeff Law <law@redhat.com>
437 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
438 to a structure containing state rather than a pointer to bool.
439 (case ARRAY_REF): New code to handle folding some array references.
440 (case ADDR_EXPR): Note when we are processing expressions found
441 within an ADDRE_EXPR.
442 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
443 for state variables rather than just a pointer to a boolean.
444 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
445 handling of constant string references.
447 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
449 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
450 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
451 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
452 Move other tst* patterns to retain partial order.
454 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
456 * config/s390/s390.md ("d0", "1"): New mode attributes.
457 ("<shift>di3", "<shift>si3"): Merge.
458 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
459 ("ashrdi3", "ashrsi3"): Merge.
460 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
461 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
462 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
463 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
464 ("*ashrdi3", "*ashrsi3"): Merge.
465 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
467 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
469 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
470 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
471 ("*extendqidi2", "*extendqisi2") Merge.
472 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
473 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
474 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
475 Move some patterns to retain partial ordering.
477 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
479 * config/s390/s390.md ("atype", "length"): Rewrite.
480 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
482 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
484 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
486 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
488 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
489 PARALLELs with a mode.
491 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
493 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
496 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
498 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
500 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
504 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
507 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
509 2005-12-14 Jakub Jelinek <jakub@redhat.com>
513 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
514 DECL_P, call get_section rather than get_named_section. Supply
517 2005-12-14 Ben Elliston <bje@au.ibm.com>
519 * c-common.c (c_common_truthvalue_conversion): Generalise warning
520 for addresses converted to booleans; not just function addresses.
521 * c-typeck.c (build_binary_op): Warn for address comparisons which
522 can never be NULL (eg. func == NULL or &var == NULL).
523 * common.opt (Walways-true): New option.
524 * c-opts.c (c_common_handle_option): Set it with -Wall.
525 * doc/invoke.texi: Document it.
527 2005-12-13 Paul Brook <paul@codesourcery.com>
529 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
530 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
532 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
534 * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
535 * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
537 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
538 (EXTRA_MULTILIB_PARTS): Define.
540 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
542 PR rtl-optimization/20070 / part1
543 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
544 count_or_remove_death_notes with kill == -1.
545 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
546 registers if PROP_POST_REGSTACK is set.
547 (mark_used_reg): Likewise.
548 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
549 REG_UNUSED notes for stack regs.
550 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
551 to match rtx_equiv_p machinery. Change caller.
552 (outgoing_edges_match): Likewise.
553 (try_crossjump_to_edge): Use struct_equiv_block_eq
554 instead of flow_find_cross_jump.
555 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
556 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
557 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
558 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
559 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
560 (insns_match_p): Update prototype.
561 (flow_find_cross_jump): Remove prototype.
562 (struct_equiv_block_eq, struct_equiv_init): Declare.
563 (rtx_equiv_p, condjump_equiv_p): Likewise.
564 * struct-equiv.c: Include reload.h.
565 (IMPOSSIBLE_MOVE_FACTOR): Define.
566 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
567 (struct_equiv_improve_checkpoint): Likewise.
568 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
569 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
570 (struct_equiv_merge, find_dying_input): Likewise.
571 (resolve_input_conflict, note_local_live): Likewise.
572 (death_notes_match_p): Change parameters and processing
573 to match rtx_equiv_p machinery. Change caller.
574 (insns_match_p): Likewise.
575 (flow_find_cross_jump): Replace with:
576 (struct_equiv_block_eq).
578 Back out this change:
579 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
580 * recog.c (verify_changes): Make it static.
581 * recog.h: Remove the corresponding prototype.
583 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
585 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
588 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
590 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
591 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
592 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
593 TARGET_MS1_64_001 appropriately.
594 (ms1_machine_reorg): Use TARGET_MS2.
596 2005-12-13 Jakub Jelinek <jakub@redhat.com>
600 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
601 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
602 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
603 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
604 Set mode to SI, adjust constraints.
605 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
606 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
609 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
611 * c-cppbuiltin.c (builtin_define_float_constants): Add
612 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
613 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
614 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
615 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
616 to "((double)%sL)" otherwise "%s".
618 2005-12-13 Paul Brook <paul@codesourcery.com>
620 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
623 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
625 * tree-flow.h: Allow compilation with a C++ compiler.
626 (struct edge_prediction): Prefix all field names with "ep_".
627 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
628 (tree_predict_edge, combine_predictions_for_bb): Likewise.
629 (remove_predictions_associated_with_edge): Likewise.
631 2005-12-12 Jeff Law <law@redhat.com>
633 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
635 * passes.c (init_optimization_passes): Run reassociation again
636 after loop optimizations.
638 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
640 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
642 (optimize_stmt): Ditto.
643 (canonicalize_comparison): New function.
644 * tree-ssa-operands.c (swap_tree_operands): Make external.
645 (get_expr_operands): Stop auto-canonicalization.
646 * tree-ssa-reassoc.c: Rewrite.
647 (init_optimization_passes):
648 * tree-flow.h (swap_tree_operands): Prototype.
649 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
651 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
653 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
654 indicate function epilogue has been output.
655 (pa_asm_output_mi_thunk): Likewise.
656 (output_deferred_plabels): Put plabels in readonly data section when
657 not generating PIC code.
658 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
659 information. Add assert.
660 (som_output_comdat_data_section_asm_op): New function.
661 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
662 instead of output_section_asm_op for COMDAT sections.
664 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
666 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
667 Fix whitespace in vincinity of to-be-installed changes.
668 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
669 (insns_match_p): Likewise.
671 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
673 * config.gcc (ms1): Replace with ...
675 * config/ms1: Rename to ...
676 * config/mt: ... here. Rename ms1 files to mt.
677 * config/mt/mt.c: Adjust gt-mt.h #include.
678 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
679 (crti.o, crtn.o): Adjust file names.
681 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
683 * varray.h: Allow compilation with a C++ compiler.
684 (union varray_data_tag): Prefix all field names with "vdt_".
685 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
686 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
687 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
688 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
689 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
690 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
691 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
692 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
693 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
694 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
695 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
696 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
697 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
698 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
699 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
700 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
701 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
702 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
703 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
704 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
705 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
706 VARRAY_TOP_TREE_PTR): Likewise.
707 * varray.c (varray_grow): Likewise.
708 (varray_clear): Likewise.
710 2005-12-12 Alan Modra <amodra@bigpond.net.au>
713 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
714 alignment to doubleword if the first field is a double array.
715 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
717 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
719 * tree-ssa-structalias.c (process_constraint): Remove code to
720 transform addressofs into scalar.
721 (create_variable_info_for): In whole-program IPA, globals don't
722 point to ANYTHING by default.
724 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
726 * timevar.def (TV_IPA_PTA): New.
727 * tree-pass.h (pass_ipa_pta): New
728 * tree-ssa-structalias.c: Include cgraph.h
730 (predbitmap_obstack): New.
731 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
732 (struct constraint_stats): Add num_edges.
733 (new_var_info): Don't call bitmap_clear.
734 (struct constraint_edge): Update docs.
735 (new_constraint_edge): Remove src param.
736 (struct constraint_graph): Add zero_weight_succs,
737 zero_weight_preds. Update docs.
738 (constraint_expr_equal): Reformat.
739 (constraint_edge_equal): Update for removal of src.
740 (constraint_edge_less): Ditto.
741 (constraint_edge_vec_find): Ditto.
742 (erase_graph_self_edge): Update for removal of src and and zero
744 (clear_edges_for_node): Ditto.
745 (add_graph_edge): Ditto.
746 (get_graph_weights): Ditto.
747 (allocate_graph_weights): Ditto.
748 (merge_graph_nodes): Ditto.
749 (int_add_graph_edge): Ditto.
750 (valid_graph_edge): Ditto.
751 (valid_weighted_graph_edge): Ditto.
752 (build_constraint_graph): Ditto.
754 (collapse_nodes): Ditto.
755 (process_unification_queue): Ditto.
757 (solve_graph): Ditto.
758 (do_structure_copy): Ditto.
759 (perform_var_substitution): Ditto.
760 Init and release obstack.
761 (handle_ptr_arith): Try to resolve directly.
762 (find_func_aliases): Don't call update_alias_info here
763 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
764 (do_sd_constraint): Add code for propagating faster.
766 (do_ds_constraint): Ditto.
767 (count_num_arguments): New function.
768 (create_function_info_for): Ditto.
769 (create_variable_info_for): Handle FUNCTION_DECL.
770 (intra_create_variable_infos): Use make_constraint_to_anything.
771 (init_alias_vars): Init obstacks here.
772 (need_to_solve): Handle zero weight graph changes.
773 (compute_points_to_sets): Call update_alias_info here.
774 (delete_points_to_sets): Free zero weight preds/succs here.
776 (ipa_pta_execute): New
778 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
780 * tree-ssa-structalias.c (var_anyoffset): Removed.
781 (anyoffset_tree): Ditto.
782 (anyoffset_id): Ditto.
783 (do_deref): Take vector of constraints, no return value.
784 Update to work on vector.
785 (get_constraint_for): Ditto.
786 (get_constraint_for_component_ref): Ditto.
787 (do_structure_copy): Ditto.
788 (handle_ptr_arith): Ditto.
789 (find_func_aliases): Ditto.
790 (set_uids_in_ptset): Remove anyoffset handling.
791 (init_base_vars): Ditto.
793 2005-12-10 Mark Mitchell <mark@codesourcery.com>
796 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
797 DECL_EXTERNAL functions have no bodies. Tidy.
799 2005-12-10 Andreas Schwab <schwab@suse.de>
801 * except.c (switch_to_exception_section): Only define if
802 TARGET_UNWIND_INFO is not defined.
804 2005-12-10 Richard Sandiford <richard@codesourcery.com>
806 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
807 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
809 2005-12-10 Richard Sandiford <richard@codesourcery.com>
811 * output.h (init_section, fini_section): Delete.
812 * varasm.c (init_section, fini_section): Delete.
813 (init_varasm_once): Don't initialize them.
814 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
815 there are no corresponding varasm.c variables.
817 2005-12-10 Richard Sandiford <richard@codesourcery.com>
819 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
820 of EH_FRAME_SECTION_NAME into...
821 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
823 * except.c (default_exception_section): Delete, moving most
825 (switch_to_exception_section): ...this new function. Set
826 exception_section if it is still null, then switch to it.
827 (output_function_exception_table): Use switch_to_exception_section.
828 * varasm.c (exception_section, eh_frame_section): Update comments.
829 (get_section): Hoist use of SECTION_NAMED.
830 (init_varasm_once): Don't set exception_section and eh_frame_section.
831 * output.h (default_exception_section): Delete.
832 (default_eh_frame_section): Delete.
834 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
836 * config/bfin/bfin.c: Include "cgraph.h".
837 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
838 Return the reg that holds the pointer to the GOT.
839 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
840 doing stack checking.
842 2005-12-09 Diego Novillo <dnovillo@redhat.com>
844 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
845 recompute_tree_invarant_for_addr_expr.
846 Update uses everywhere.
848 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
850 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
851 (MULTILIB_DIRNAMES): Define.
853 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
856 * config/s390/s390.c (struct s390_address): New field literal_pool.
857 (s390_decompose_address): Compute literal_pool field. Do not
858 assume register %r13 is always (and solely) used as pool base.
859 (s390_extra_constraint_str): Use literal_pool field.
861 2005-12-09 Thiemo Seufer <ths@networkno.de>
863 * config/mips/mips.c (override_options): Don't allow too small
864 integers in FP registers.
866 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
868 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
869 targetm.binds_local_p to check for local function calls.
871 2005-12-09 Alan Modra <amodra@bigpond.net.au>
874 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
875 call_used_regs can't be used to save reg in another reg.
877 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
878 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
880 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
882 * except.c (output_ttype): Likewise.
883 * tree-object-size.c (collect_object_sizes_for): Likewise.
884 (check_for_plus_in_loops_1): Likewise.
885 (check_for_plus_in_loops): Likewise.
886 (compute_object_sizes): Use gcc_unreachable instead of abort.
888 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
890 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
891 (loop_end, loop_init, doloop_end): New insns.
892 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
893 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
894 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
895 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
896 * config/ms1/ms1.c: #include basic-block.h
897 (struct machine_function): Add has_loops field.
899 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
900 (struct loop_info, struct loop_work): New.
901 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
902 (ms1_reorg_loops): New loop optimization.
903 (ms1_machine_reorg): Call it.
904 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
906 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
908 PR tree-optimization/25248
909 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
910 evolution_of_loop from the failed attempt. Remove handling
913 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
915 * tree.h (DECL_EXTERNAL): Clarify documentation.
917 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
918 Jakub Jelinek <jakub@redhat.com>
921 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
922 argument. Don't drop outer ANDs.
923 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
924 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
926 * config/s390/predicates.md (setmem_operand): Remove.
927 (shift_count_operand): Rename to...
928 (shift_count_or_setmem_operand): ... this. Adjust
929 s390_decompose_shift_count caller.
930 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
931 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
932 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
933 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
934 rotl<mode>3_and, setmem_long_and): New insns.
935 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
936 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
937 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
938 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
939 of shift_count_operand.
940 (setmem_long): Use shift_count_or_setmem_operand instead of
943 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
944 Andreas Tobler <a.tobler@schweiz.ch>
946 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
949 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
951 * expr.c (force_operand): Use convert_to_mode for conversions.
953 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
955 * reload.h (reg_equiv_invariant): Declare.
956 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
957 register also when reg_equiv_invariant[R] is set.
959 2005-12-07 Richard Sandiford <richard@codesourcery.com>
960 Andreas Tobler <a.tobler@schweiz.ch>
962 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
964 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
966 * tree-ssa-pre.c (bitmap_set_and): New function.
967 (bitmap_set_and_compl): New function.
968 (bitmap_set_empty_p): New function.
969 (insert_extra_phis): New function.
970 (compute_avail): Use insert_extra_phis.
972 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
974 * config/s390/s390.c (s390_expand_atomic): New function.
975 Adjust comment of helper functions.
976 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
977 * config/s390/s390.md ("ATOMIC"): New code macro.
978 ("atomic"): Corresponding new code attribute.
979 ("sync_lock_test_and_set[hq]i",
980 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
982 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
984 * config/s390/s390.c (s390_expand_mask_and_shift,
985 struct alignment_context, init_alignment_context,
986 s390_expand_cs_hqi): New.
987 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
988 * config/s390/s390.md ("sync_compare_and_swaphi",
989 "sync_compare_and_swapqi"): New pattern.
991 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
993 Fix PR tree-optimization/25291
994 * tree-ssa-operands.c (add_call_clobber_ops): Remove
995 redundant and crashing check.
997 2005-12-08 Alan Modra <amodra@bigpond.net.au>
1000 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1001 tests further when !strict && reload_in_progress.
1002 (print_operand): Check that both operands of indexed address are regs.
1003 (print_operand_address): Likewise.
1004 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1005 (INT_REG_OK_FOR_BASE_P): Correct.
1007 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
1009 Preparation for PR rtl-optimization/20070 / part1
1010 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1011 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1012 outgoing_edges_match.
1013 (outgoing_edges_match): Use condjump_equiv_p.
1014 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1016 * struct-equiv.c: New file.
1017 (death_notes_match_p) New function, broken out of insns_match_p.
1018 * Makefile.in (OBJS-common): Add struct-equiv.o.
1019 (struct-equiv.o): New target.
1021 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1023 * coretypes.h: Revert previous change.
1024 * config/darwin.h: Revert previous reversion.
1025 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1027 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1029 * coretypes.h (section): Provide dummy definition for target files.
1030 * config/darwin.h: Revert previous change.
1032 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1034 * doc/sourcebuild.texi (all.build, install-normal): Remove.
1035 * configure.ac: Remove all.build and install-normal from target_list
1036 * configure: Regenerate.
1037 * Makefile.in (install): Don't depend on install-normal.
1039 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1041 * Makefile.in: Document the use of stamps.
1043 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1045 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1046 * Makefile.in: Add code to compute some dependencies on s-gtype
1047 automatically. Remove the declaration of those dependencies.
1049 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1051 * gcc/reload.c (push_secondary_reload): Fix typo:
1052 s/insn_constraint/scratch_constraint/.
1054 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1056 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1058 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1060 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1061 (alpha_elf_select_rtx_section): Return the selected section rather
1062 than emitting assembly code.
1063 (alpha_write_linkage): Emit a ".link" directive directly and then
1064 set in_section to NULL.
1065 (vms_asm_out_constructor): Use switch_to_section.
1066 (vms_asm_out_destructor): Likewise.
1067 (unicosmk_output_common): Set in_section to NULL instead of calling
1068 the dummy common_section function.
1069 (unicosmk_text_section): Delete in favor of...
1070 (unicosmk_output_text_section_asm_op): ...this new function.
1071 (unicosmk_data_section): Delete in favor of...
1072 (unicosmk_output_data_section_asm_op): ...this new function.
1073 (unicosmk_init_sections): New function.
1074 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1075 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1076 the dummy ssib_section function.
1077 (unicosmk_section_buf): Delete.
1078 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1079 (unicosmk_data_section): Delete.
1080 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1081 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1082 (SECTION_FUNCTION_TEMPLATE): Delete.
1083 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1084 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1085 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1086 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1087 (TARGET_ASM_INIT_SECTIONS): Define.
1088 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1089 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1090 (link_section, literals_section): Delete.
1091 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1092 set in_section to NULL.
1094 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1095 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1096 (COMMON_SECTION): Delete.
1097 (TARGET_ASM_INIT_SECTIONS): Define.
1098 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1099 the dummy common_section function.
1100 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1101 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1102 between readonly_data_section and text_section to check whether
1103 read-only data is being put in the text section.
1104 (arm_output_function_epilogue): Use switch_to_section.
1105 (arm_elf_asm_constructor): Likewise.
1106 (thumb_call_via_reg): Replace call to in_text_section with
1107 a comparison between in_section and text_section.
1108 (arm_file_end): Use switch_to_section.
1109 (aof_text_section): Delete in favor of...
1110 (aof_output_text_section_asm_op): ...this new function.
1111 (aof_data_section): Delete in favor of...
1112 (aof_output_data_section_asm_op): ...this new function.
1113 (aof_asm_init_sections): New function.
1114 (zero_init_section): Moved from config/arm/aof.h.
1115 (aof_dump_imports, aof_file_start): Use switch_to_section.
1116 * config/arm/arm.h (thumb_call_via_label): Update comment.
1117 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1118 (common_section): Delete.
1119 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1120 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1121 global switch_to_section function instead of the old port-local one.
1122 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1123 (SWITCH_TO_SECTION_FUNCTION): Delete.
1124 (drectve_section): Redefine as a macro.
1125 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1126 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1129 * config/avr/avr.c (progmem_section): New variable.
1130 (avr_output_progmem_section_asm_op): New function.
1131 (avr_asm_init_sections): New function.
1132 (avr_output_addr_vec_elt): Use switch_to_section.
1133 * config/avr/avr.h (progmem_section): Declare.
1134 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1135 (READONLY_DATA_SECTION): Delete.
1136 (TARGET_ASM_INIT_SECTIONS): Define.
1137 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1138 * config/avr/avr-protos.h (progmem_section): Delete.
1140 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1142 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1143 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1145 * config/darwin-sections.def: New file.
1146 * config/darwin.c: Define all sections in darwin-sections.def.
1147 (output_objc_section_asm_op, darwin_init_sections): New functions.
1148 (machopic_output_indirection): Use switch_to_section.
1149 (machopic_select_section): Return the selected section rather than
1150 emitting assembly code. Replace the static function table with
1151 inline conditional expressions. Update the tests of last_text_section
1152 and move them into the FUNCTION_DECL block.
1153 (machopic_select_rtx_section): Return the selected section rather than
1154 emitting assembly code.
1155 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1156 (darwin_file_end): Use switch_to_section.
1157 * config/darwin.h: Use darwin-sections.def to declare sections.
1158 (INIT_SECTION_ASM_OP): Remove empty definition.
1159 (HAS_INIT_SECTION): Define this instead.
1160 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1161 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1162 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1163 (TARGET_ASM_INIT_SECTIONS): Define.
1164 * config/darwin-protos.h (darwin_init_sections): Declare.
1165 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1166 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1167 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1168 (constructor_section, destructor_section, mod_init_section): Delete.
1169 (mod_term_section): Delete.
1170 (darwin_exception_section, darwin_eh_frame_section): Delete.
1171 (machopic_select_section): Return a section.
1172 (machopic_select_rtx_section): Likewise.
1173 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1174 (const_section, const_coal_section, const_data_section): Delete.
1175 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1176 (literal4_section, literal8_section, constructor_section): Delete.
1177 (mod_init_section, mod_term_section, destructor_section): Delete.
1178 (objc_class_section, objc_meta_class_section, objc_category_section)
1179 (objc_class_vars_section, objc_instance_vars_section): Delete.
1180 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1181 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1182 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1183 (objc_symbols_section, objc_module_info_section): Delete.
1184 (objc_image_info_section, objc_protocol_section): Delete.
1185 (objc_string_object_section, objc_constant_string_object_section)
1186 (objc_class_names_section, objc_meth_var_names_section): Delete.
1187 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1188 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1189 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1190 (darwin_exception_section, darwin_eh_frame_section): Delete.
1191 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1193 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1194 (frv_asm_out_destructor): Likewise.
1195 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1196 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1197 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1199 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1200 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1201 (data_section): Delete.
1203 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1204 (DRECTVE_SECTION_FUNCTION): Delete.
1205 (drectve_section): Redefine as a macro that sets in_section after
1206 emitting the directive.
1207 (SWITCH_TO_SECTION_FUNCTION): Delete.
1208 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1209 in_text_section with comparison between in_section and text_section.
1210 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1211 rather than emitting assembly code. Use get_named_section.
1212 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1214 (machopic_output_stub): Use switch_to_section.
1215 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1216 (nwld_named_section_asm_out_destructor): Use get_section and
1219 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1220 rather than emitting assembly code.
1221 (ia64_rwreloc_select_section): Likewise.
1222 (ia64_rwreloc_select_rtx_section): Likewise.
1223 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1224 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1226 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1227 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1229 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1230 section rather than emitting assembly code.
1231 (iq2000_select_section): Likewise.
1232 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1233 (sbss_section): Delete.
1235 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1236 and get_named_section.
1237 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1239 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1240 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1241 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1242 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1244 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1245 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1246 global switch_to_section function instead of the old port-local one.
1247 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1248 (SWITCH_SECTION_FUNCTION): Delete.
1249 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1250 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1251 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1252 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1254 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1255 global switch_to_section function instead of the old port-local one.
1256 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1258 * config/mips/mips.c (mips_file_start): Update comment.
1259 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1260 (mips_output_aligned_decl_common): Use switch_to_section.
1261 (mips_select_rtx_section): Return the section rather than emitting
1262 assembly code. Use get_named_section.
1263 (mips_function_rodata_section: Likewise get_section.
1264 (build_mips16_function_stub): Use switch_to_section.
1265 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1266 (SDATA_SECTION_ASM_OP): Delete.
1267 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1268 (EXTRA_SECTION_FUNCTIONS): Delete.
1270 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1271 (mmix_asm_output_aligned_local): Use switch_to_section.
1273 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1274 (som_one_only_readonly_data_section): New variables.
1275 (pa_output_function_epilogue): Set in_section to NULL instead of
1276 calling forget_section.
1277 (output_deferred_plabels): Use select_section.
1278 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1279 of calling forget_section.
1280 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1281 (pa_asm_output_aligned_local): Use select_section.
1282 (som_text_section_asm_op): Delete in favor of...
1283 (som_output_text_section_asm_op): ...this new function.
1284 (pa_som_asm_init_sections): New function.
1285 (pa_select_section): Return the section rather than emitting
1287 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1288 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1289 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1290 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1291 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1292 (som_readonly_data_section, som_one_only_readonly_data_section)
1293 (som_one_only_data_section, forget_section): Delete.
1294 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1295 (TARGET_ASM_INIT_SECTIONS): Define.
1296 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1298 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1299 (private_data_section, read_only_private_data_section): New variables.
1300 (sdata2_section, toc_section): New variables.
1301 (rs6000_file_start): Use switch_to_section.
1302 (rs6000_assemble_integer): Use comparisons against in_section
1303 instead of calling in_toc_section and in_text_section. Use
1304 unlikely_text_section_p.
1305 (rs6000_elf_output_toc_section_asm_op): New function, derived
1306 from the old rs6000/sysv4.h toc_section function.
1307 (rs6000_elf_asm_init_sections): New function.
1308 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1309 the section rather than emitting assembly code.
1310 (machopic_output_stub): Use switch_to_section.
1311 (toc_section): Delete dummy function.
1312 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1313 switch_to_section and get_section.
1314 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1315 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1316 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1317 the old rs6000/xcoff.h toc_section function.
1318 (rs6000_xcoff_asm_init_sections): New function.
1319 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1320 the section rather than emitting assembly code.
1321 (rs6000_xcoff_file_start): Use switch_to_section.
1322 (rs6000_xcoff_file_end): Likewise.
1323 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1324 (sdata2_section, sbss_section, private_data_section): Delete.
1325 (read_only_data_section, read_only_private_data_section): Delete.
1326 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1327 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1328 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1329 (FINI_SECTION_FUNCTION): Delete.
1330 (TARGET_ASM_INIT_SECTIONS): Define.
1331 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1332 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1333 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1334 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1335 (READONLY_DATA_SECTION): Delete.
1336 (TARGET_ASM_INIT_SECTIONS): Define.
1337 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1338 to NULL rather than no_section.
1339 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1341 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1343 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1344 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1345 from call to current_function_section.
1347 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1348 (bss100_section): New variable.
1349 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1350 (xstormy16_asm_init_sections): New function.
1351 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1352 switch_to_section and get_section.
1353 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1354 from calls to current_function_section.
1355 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1356 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1357 (TARGET_ASM_INIT_SECTIONS): Define.
1358 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1360 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1361 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1362 (FINI_SECTION_FUNCTION): Delete.
1364 * config/v850/v850.c: Include gt-v850.h.
1365 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1366 (zbss_section): New variables.
1367 (v850_output_aligned_bss): Use switch_to_section.
1368 (v850_asm_init_sections): New function.
1369 (v850_select_section): Return the section rather than emitting
1371 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1372 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1373 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1374 (TARGET_ASM_INIT_SECTIONS): Define.
1375 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1376 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1377 (zbss_section): Delete.
1379 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1381 * config/vx-common.h (vxworks_exception_section): Delete.
1382 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1384 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1385 section rather than emitting assembly code.
1386 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1389 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1390 * coretypes.h (section): New union and typedef.
1391 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1392 from call to current_function_section.
1393 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1394 (dbxout_symbol_location): Use switch_to_section.
1395 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1396 most of the code into...
1397 (default_eh_frame_section): ...here. Return a section.
1398 (collect2_eh_frame_section): Delete, moving most of the code into..
1399 (switch_to_eh_frame_section): ...this new function.
1400 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1401 (debug_macinfo_section, debug_line_section, debug_loc_section)
1402 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1404 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1405 eh_frame_section. Use switch_to_section and get_section.
1406 (dwarf2out_begin_prologue): Use switch_to_section.
1407 (AT_string_form): Check the flags in debug_str_section instead of
1408 DEBUG_STR_SECTION_FLAGS.
1409 (output_comp_unit): Use switch_to_section, get_section, and
1411 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1412 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1413 from call to current_function_section.
1414 (dwarf2out_var_location): Use unlikely_text_section_p.
1415 (dwarf2out_source_line): Use switch_to_section. Remove argument
1416 from call to current_function_section.
1417 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1418 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1419 debug_macinfo_section.
1420 (dwarf2out_init): Initialize the new section variables. Use them
1421 instead of calls to named_section_flags. Use switch_to_section.
1422 (output_indirect_string): Use switch_to_section and debug_str_section.
1423 (dwarf2out_finish): Use switch_to_section and the new section
1425 * except.c (default_exception_section): Return the section instead
1426 of emitting assembly code.
1427 (output_function_exception_table): Use the global exception_section
1428 variable instead of the target hook. Use switch_to_section. Remove
1429 argument from call to current_function_section.
1430 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1431 (shorten_branches): Use pointer comparisons to detect whether the
1432 text section is the same as readonly_data_section.
1433 (profile_function): Use switch_to_section. Remove argument from
1434 call to current_function_section.
1435 (final_scan_insn): Likewise. Update use of last_text_section.
1436 * gengtype.c (open_base_files): Add an include of output.h.
1437 * output.h (text_section, data_section, readonly_data_section)
1438 (ctors_section, dtors_section, bss_section, init_section)
1439 (fini_section, sdata_section): Turn into section pointers.
1440 (in_text_section, in_unlikely_text_section, exports_section)
1441 (drectve_section, named_section, mergeable_string_section)
1442 (last_text_section_name): Delete.
1443 (default_exception_section, default_eh_frame_section): Return sections.
1444 (SECTION_DECLARED, SECTION_NAMED): New macros.
1445 (SECTION_MACH_DEP): Bump value.
1446 (section_common, named_section, unnamed_section): New structures.
1447 (unnamed_section_callback): New typedef.
1448 (section): New union.
1449 (sbss_section, exception_section, eh_frame_section): New variables.
1450 (in_section, last_text_section): Turn into section pointers.
1451 (get_unnamed_section, get_section, get_named_section): New functions.
1452 (mergeable_constant_section, function_section): Return a section.
1453 (unlikely_text_section): Likewise.
1454 (current_function_section): Likewise. Remove the decl argument.
1455 (unlikely_text_section_p, switch_to_section): New functions.
1456 (output_section_asm_op): New function.
1457 (set_named_section_flags, named_section_flags, named_section_real)
1458 (named_section_first_declaration): Delete.
1459 (default_select_section, default_elf_select_section): Return a section.
1460 (default_elf_select_section_1, default_function_rodata_section)
1461 (default_no_function_rodata_section, default_select_rtx_section)
1462 (default_elf_select_rtx_section): Likewise.
1463 * rtl.h (in_data_section): Delete.
1464 * sdbout.c (sdbout_one_type): Use switch_to_section.
1465 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1466 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1467 (TARGET_ASM_EH_FRAME_SECTION): Poison.
1468 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1469 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1470 (TARGET_ASM_OUT): Update after above changes.
1471 * target.h (init_sections): New hook.
1472 (exception_section, eh_frame_section): Delete.
1473 (select_section, select_rtx_section, function_rodata_section): Return
1474 a section rather than emitting assembly code.
1475 * varasm.c (text_section, data_section, readonly_data_section)
1476 (ctors_section, dtors_section, bss_section, init_section)
1477 (fini_section): Turn into section pointers.
1478 (sdata_section, sbss_section, exception_section): New variables.
1479 (eh_frame_section): New variable.
1480 (in_section): Make global and turn into a section pointer.
1481 (last_text_section): Turn into a section pointer.
1482 (unnamed_sections): New variable.
1483 (in_named_name, last_text_section_name): Delete.
1484 (EXTRA_SECTION_FUNCTIONS): Delete.
1485 (in_named_entry): Delete.
1486 (section_htab): New variable, replacing...
1487 (in_named_htab): ...this deleted variable.
1488 (section_entry_eq, section_entry_hash): New functions, based on...
1489 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1490 (get_unnamed_section, get_section): New functions.
1491 (unlikely_text_section): Return a section instead of emitting
1493 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1494 (get_named_section_flags, named_section_first_declaration): Delete.
1495 (unlikely_text_section_p): New function.
1496 (named_section_real, named_section): Delete.
1497 (get_named_section): New function.
1498 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1499 (function_section): Return a section rather than emitting
1501 (current_function_section): Likewise. Remove argument. Use
1502 last_text_section if nonnull, otherwise use function_section.
1503 (default_function_rodata_section): Return a section rather than
1504 emitting assembly code. Use get_section.
1505 (default_no_function_rodata_section): Return a section rather than
1506 emitting assembly code.
1507 (variable_section): Use switch_to_section and get_named_section.
1508 (mergeable_string_section): Return a section rather than emitting
1509 assembly code. Use get_section. Make static. Don't take special
1510 countermeasures for empty strings.
1511 (mergeable_constant_section): Return a section rather than emitting
1512 assembly code. Use get_section.
1513 (default_named_section_asm_out_destructor): Use switch_to_section
1515 (default_dtor_section_asm_out_destructor): Use switch_to_section.
1516 (default_named_section_asm_out_constructor): Use switch_to_section
1518 (default_ctor_section_asm_out_constructor): Use switch_to_section.
1519 (assemble_start_function): Likewise. Set last_text_section to
1520 NULL rather than no_section. Change the type of save_section.
1521 (assemble_zeros, assemble_variable): Use the section flags to detect
1522 whether or not a section is text.
1523 (assemble_static_space): Use switch_to_section.
1524 (assemble_trampoline_template): Likewise.
1525 (output_constant_def_contents): Use switch_to_section and
1527 (output_constant_pool_1): Use switch_to_section. Use the section
1528 flags to see whether sections contain mergeable data.
1529 (init_varasm_once): Initialize section_htab instead of in_named_htab.
1530 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
1531 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1532 whether a section has already been declared.
1533 (default_select_section, default_elf_select_section): Return a
1534 section rather than emitting assembly code.
1535 (default_elf_select_section_1): Likewise. Use bss_section for
1536 SECCAT_BSS if nonnull. Use get_named_section.
1537 (default_select_rtx_section): Return a section rather than
1538 emitting assembly code.
1539 (default_elf_select_rtx_section): Likewise. Use get_named_section.
1540 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1541 (output_section_asm_op, switch_to_section): New functions.
1542 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1545 * doc/tm.texi: Expand the introduction to the sections documentation.
1546 (TRAMPOLINE_SECTION): Document new interface.
1547 (SDATA_SECTION_ASM_OP): Document new macro.
1548 (READONLY_DATA_SECTION): Delete.
1549 (SDATA_SECTION_ASM_OP): Document new macro.
1550 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1551 (TARGET_ASM_INIT_SECTIONS): Document new hook.
1552 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1553 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1554 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1556 2005-12-07 Alan Modra <amodra@bigpond.net.au>
1558 * gcc.c (init_gcc_specs): Match braces inside conditionally
1561 2005-12-06 Geoffrey Keating <geoffk@apple.com>
1563 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1565 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
1568 * tree.c (integer_all_onesp): Always return true if all bits on.
1570 * testsuite/g++.dg/init/array0.C: New.
1572 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
1574 * doc/md.texi: Adapt to implementation.
1576 2005-12-06 Andreas Schwab <schwab@suse.de>
1578 * opts.c (decode_options): Fix typo in message.
1580 2005-12-06 Alan Modra <amodra@bigpond.net.au>
1583 * longlong.h: Merge PPC tests from upstream.
1585 2005-12-06 Richard Guenther <rguenther@suse.de>
1587 * fold-const.c (fold_convert): Do not build and fold
1588 CONVERT_EXPR, but always use NOP_EXPR.
1590 2005-12-06 Jan Beulich <jbeulich@novell.com>
1592 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1593 __builtin_ia32_paddq and __builtin_ia32_subq.
1594 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1595 __builtin_ia32_pshufw.
1596 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1598 2005-12-05 James E Wilson <wilson@specifix.com>
1601 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1604 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
1606 * print-tree.c (print_node): Ditto.
1607 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1608 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1609 before accessing DECL_ARTIFICIAL.
1610 Handle new tag tree codes.
1611 * tree-flow-inline.h (clear_call_clobbered): Update for tag
1613 (unmodifiable_var_p): Ditto.
1614 * tree-flow.h (mem_tag_kind): Remove.
1615 (struct var_ann_d): Remove mem_tag_kind member.
1616 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1617 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1618 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1619 (group_aliases): Ditto.
1620 (setup_pointers_and_addressables): Ditto.
1621 (is_escape_site): Ditto.
1622 (may_alias_p): Ditto.
1623 (create_tag_raw): New function.
1624 (create_memory_tag): Use it.
1625 (dump_alias_info): Update for tags.
1626 (may_be_aliased): Ditto.
1627 (add_type_alias): Ditto.
1628 (new_type_alias): Ditto.
1629 (create_sft): Ditto.
1630 (create_structure_vars): Ditto.
1631 * tree-ssa-ccp.c (get_default_value): Ditto.
1632 * tree-ssa-operands.c (get_expr_operands): Ditto.
1633 (add_stmt_operand): Ditto.
1634 (add_call_clobber_ops): Remove duplicated condition.
1635 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1637 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1638 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1639 * tree.c (init_ttree): Update structures for new tree codes.
1640 (tree_code_size): Update sizes for new tree codes.
1641 (make_node_stat): Don't try to set common things on minimal
1643 (tree_node_structure): Update for tags.
1644 (is_global_var): Ditto.
1645 * tree.def: Add new tree codes.
1646 * tree.h (MTAG_P): New macro.
1647 (TREE_MEMORY_TAG_CHECK): Ditto.
1648 (SSA_VAR_P): Update for tags.
1649 (struct tree_memory_tag): New structure.
1650 (MTAG_GLOBAL): New macro.
1651 (union tree_node): Add memory tag member.
1652 * treestruct.def (TS_MEMORY_TAG): New.
1654 2005-12-05 Dale Johannesen <dalej@apple.com>
1656 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
1657 what was approved (PR 24323).
1659 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
1661 * doc/c-tree.texi (Function Bodies): Remove description of
1664 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
1666 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1667 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1668 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1669 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1670 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1671 __divxc3): Document.
1673 2005-12-05 Geoffrey Keating <geoffk@apple.com>
1675 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1677 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1678 hook_bool_void_false.
1679 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1680 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1682 * config/darwin.c (machopic_select_section): It's not defined
1683 as weak if it's only marked as weak_import.
1685 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1688 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1689 A hidden weak object does bind locally. Strong linkonce data
1690 counts like any other strong symbol for binding.
1691 (weak_finish_1): Don't specially handle weakrefs, they no longer
1693 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1694 * c-common.c (handle_alias_attribute): Allow static aliases
1696 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1697 * gthr-dce.h: Make weakrefs static.
1698 * gthr-tpf.h: Likewise.
1699 * gthr-solaris.h: Likewise.
1700 * gthr-posix.h: Likewise.
1701 * gthr-posix95.h: Likewise.
1702 * config/darwin.c (darwin_encode_section_info): static weakref
1703 variables are not necessarily defined in this translation unit.
1704 * doc/extend.texi (Function Attributes): Mention that an alias
1705 attribute creates a definition for the thing it's attached to.
1706 Change the documentation for weakref to say that the thing
1707 it's attached to must be static.
1709 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1710 we don't go into an infinite loop.
1712 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
1714 * config/rs6000/predicates.md (logical_const_operand): Split
1715 out of logical_operand.
1716 (logical_operand): Use it.
1717 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1718 logical_const_operand.
1720 2005-12-05 Jan Beulich <jbeulich@novell.com>
1722 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1723 and IX86_BUILTIN_CMPNESS.
1724 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1725 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1726 * config/i386/i386.md (movti_internal): Correct type attribute.
1727 Simplify mode attribute.
1728 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1729 Correct type attribute.
1730 (absxf2): Correct operator.
1731 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1732 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1733 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1735 (sse2_vmsqrtv2df2): Correct mode attribute.
1737 2005-12-05 Jan Beulich <jbeulich@novell.com>
1739 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1740 16 bits. Provide insn pattern for this case.
1742 2005-12-05 Jan Beulich <jbeulich@novell.com>
1744 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1746 (__popcountDI2): Likewise.
1748 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1751 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1752 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1753 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1756 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1758 * c-typeck.c (null_pointer_constant_p): New function.
1759 (build_conditional_expr, build_c_cast, convert_for_assignment,
1760 build_binary_op): Use it.
1762 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1764 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1765 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1767 (check_function_arguments_recurse): Allow both NOP_EXPR and
1768 CONVERT_EXPR but check conversions preserve precision.
1769 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1770 but check conversions preserve precision.
1771 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
1774 2005-12-04 Roger Sayle <roger@eyesopen.com>
1777 * common.opt (Wstring-literal-comparison): New command line option.
1778 * c-opts.c (c_common_handle_option): Set it with -Wall.
1779 * c-typeck.c (parser_build_binary_op): Issue warning if either
1780 operand of a comparison operator is a string literal, except for
1781 testing equality or inequality against NULL.
1783 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1785 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1787 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1788 of building a NOP_EXPR.
1789 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
1791 * c-convert.c (convert): Use fold_convert instead of building
1792 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
1793 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
1795 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1796 NOP_EXPR the same as CONVERT_EXPR.
1797 * c-typeck.c (build_function_call): Use fold_convert instead of
1798 building a NOP_EXPR directly.
1799 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1801 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1803 PR rtl-optimization/25197
1804 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1807 2005-12-02 Stuart Hastings <stuart@apple.com>
1809 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1812 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1814 * c-typeck.c (default_function_array_conversion,
1815 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1816 (build_conditional_expr): Apply integer_zerop to orig_op1 and
1817 orig_op2. Don't check them for NOP_EXPR.
1818 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1819 around integer zero.
1821 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1823 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1824 toc_save_offset, toc_size, lr_size.
1825 (rs6000_stack_info): Use memset rather than bss struct copy to init.
1826 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1827 Adjust for removal of unused rs6000_stack_t fields.
1828 (debug_stack_info): Adjust.
1829 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
1830 first, and don't bother checking for set/inc of lr on sibcalls.
1831 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1833 2005-12-02 Jakub Jelinek <jakub@redhat.com>
1836 * config/i386/i386.md (movqi_1): Only force imovx for alternative
1837 5 if operand 1 is not aligned. Undo previous constraint change.
1838 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1840 2005-12-02 Richard Guenther <rguenther@suse.de>
1842 * tree.h (build): Remove prototype.
1843 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1844 * tree.c (build): Remove.
1845 (build0_stat): Update comment.
1847 2005-12-02 Richard Guenther <rguenther@suse.de>
1849 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1850 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1852 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1853 maybe_fold_offset_to_component_ref): Likewise.
1854 * tree-ssa-dom.c (thread_across_edge,
1855 simplify_rhs_and_lookup_avail_expr,
1856 find_equivalent_equality_comparison, record_equivalences_from_stmt):
1858 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1859 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1860 lower_try_finally_switch): Likewise.
1861 * tree-if-conv.c (add_to_dst_predicate_list,
1862 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1863 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1864 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1865 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1866 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1867 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1868 gimplify_init_ctor_eval, gimplify_init_constructor,
1869 gimplify_variable_sized_compare, gimplify_boolean_expr,
1870 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1871 gimplify_expr, gimplify_body, gimplify_function_tree,
1872 force_gimple_operand): Likewise.
1873 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1874 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1875 mx_register_decls): Likewise.
1876 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1877 get_frame_field, finalize_nesting_tree_1): Likewise.
1878 * tree-inline.c (setup_one_parameter): Likewise.
1879 * tree-vect-transform.c (vectorizable_condition): Likewise.
1880 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1882 * tree-profile.c (tree_gen_edge_profiler): Likewise.
1883 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1884 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1885 * tree-chrec.h (build_polynomial_chrec): Likewise.
1887 2005-12-02 Richard Guenther <rguenther@suse.de>
1889 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1890 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1891 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1892 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1893 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1894 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1895 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1897 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1898 sh_adjust_unroll_max): Likewise.
1899 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1900 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1901 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1903 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1905 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1908 2005-12-02 Richard Guenther <rguenther@suse.de>
1910 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1911 simplify_cond_using_ranges): Use buildN instead of build.
1912 * tree-tailcall.c (adjust_accumulator_values,
1913 adjust_return_value): Likewise.
1914 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1915 generate_element_copy, generate_element_zero,
1916 generate_one_element_init): Likewise.
1917 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1918 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1919 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1920 perfect_nestify): Likewise.
1922 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1924 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1926 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
1928 * ggc.h (GGC_RESIZEVEC): New.
1930 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1932 * gcc.c (execute): Improve readability.
1934 2005-12-02 Richard Guenther <rguenther@suse.de>
1936 * tree-cfg.c (mark_used_vars): New function.
1937 (dump_function_to_file): Dump only used VAR_DECLs.
1939 2005-12-02 Richard Guenther <rguenther@suse.de>
1941 * convert.c (convert_to_integer): Fix compare for nonpositive
1942 constant to use tree_int_cst_sgn <= 0.
1944 2005-12-02 Richard Guenther <rguenther@suse.de>
1946 * convert.c (convert_to_integer): Use fold_convert instead
1947 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
1948 instead of comparing against 0. Use build_int_cst instead
1949 of converting integer_zero_node.
1951 2005-12-02 Richard Guenther <rguenther@suse.de>
1953 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1956 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1959 * combine.c (simplify_logical <IOR>): Simplify more patterns to
1962 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1965 * function.c (expand_function_end): Emit blockage for unwinder
1968 2005-12-01 Roger Sayle <roger@eyesopen.com>
1970 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1971 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1972 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1973 integer constant comparisons.
1975 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
1976 Janis Johnson <janis187@us.ibm.com>
1977 David Edelsohn <dje@watson.ibm.com>
1978 Ben Elliston <bje@au.ibm.com>
1980 * dfp.h, dfp.c: New files.
1981 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1982 (DECNUM_H): Likewise.
1983 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1984 (INCLUDES): Append $(DECNUMINC).
1985 (OBJS-common): Add dfp.o.
1987 * real.h (EXP_BITS): Pinch one bit to ..
1988 (struct real_value): Add decimal field.
1989 (real_format): Change table size, update documentation.
1990 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1991 (real_from_string3): Declare.
1992 (decimal_single_format): Declare.
1993 (decimal_double_format): Declare.
1994 (decimal_quad_format): Declare.
1995 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1996 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1997 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1998 * real.c: Include dfp.h.
1999 (normalize): Early return for decimal floats.
2000 (do_add): Zero decimal field.
2001 (do_compare): Call do_decimal_compare for decimal floats.
2002 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2003 (real_arithmetic): Call decimal_real_arithmetic for decimal
2004 floating point operands.
2005 (real_identical): If a and b are of differing radix, return false.
2006 (real_to_integer): Call decimal_real_to_integer if the value is a
2008 (real_to_integer2): Likewise, call decimal_real_to_integer2.
2009 (real_to_decimal): Likewise, call decimal_real_to_decimal.
2010 (real_to_hexadecimal): Place "N/A" in the return string for
2012 (real_from_string3): New variant, given a mode.
2013 (real_maxval): Use decimal_real_maxval for decimal floats.
2014 (round_for_format): Use decimal_round_for_format for decimals.
2015 (real_convert): Use decimal_real_convert where appropriate.
2016 (significand_size): Handle base 10.
2017 (encode_decimal_single, decode_decimal_single,
2018 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2019 decode_decimal_quad): New functions.
2020 (decimal_single_format): New.
2021 (decimal_double_format): New.
2022 (decimal_quad_format): New.
2023 * machmode.def: Add SD, DD and TD decimal floating point modes.
2024 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2025 Include MODE_DECIMAL_FLOAT.
2026 (DECIMAL_FLOAT_MODE_P): New.
2027 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2028 * genmodes.c (struct mode_data): Add counter field.
2029 (struct mode_data): Update comment for format.
2030 (blank_mode): Initialise counter field.
2031 (new_mode): Increment counter field for each mode defined.
2032 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2034 (make_complex_modes): Handle modes containing `D'.
2035 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2036 (make_decimal_float_mode): New.
2037 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2038 (cmp_modes): Compare counter field if other characteristics
2040 (emit_real_format_for_mode): Support formats for decimal floats.
2041 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2042 Document MODE_DECIMAL_FLOAT.
2044 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2046 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2049 2005-12-01 Richard Henderson <rth@redhat.com>
2051 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2053 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2055 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2057 * config/pa/pa.c (pa_init_builtins): If we detect
2058 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2061 2005-12-01 Richard Guenther <rguenther@suse.de>
2063 * fold-const.c (fold_binary): Use fold_build2, not
2066 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2068 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2070 * vec.h (VEC_block_remove): New.
2072 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2075 * c-common.c (lvalue_error): Fix wording.
2077 2005-12-01 Richard Guenther <rguenther@suse.de>
2079 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2080 thinko in last patch.
2082 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2084 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2085 than -flat_namespace.
2087 2005-12-01 Ben Elliston <bje@au.ibm.com>
2089 * mklibgcc.in: Parameterise the script to build soft float
2090 functions by iterating over each type, rather than cloning the
2093 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2096 * builtins.c (fold_builtin_fputs): Defer check for missing
2097 replacement functions.
2099 2005-11-30 Kean Johnston <jkj@sco.com>
2101 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2102 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2104 2005-11-30 Richard Guenther <rguenther@suse.de>
2106 PR tree-optimization/22501
2107 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2108 function split out from ...
2109 (forward_propagate_addr_expr): ... here. Use it to propagate
2110 ADDR_EXPRs to all uses.
2112 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2114 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2115 * builtins.c (expand_builtin_mathfn): Use them.
2116 (expand_builtin_mathfn_2): Likewise.
2117 (expand_builtin_mathfn_3): Likewise.
2118 (expand_builtin_int_roundingfn): Likewise.
2119 (expand_builtin): Likewise.
2120 (integer_valued_real_p): Likewise.
2121 (fold_builtin_int_roundingfn): Likewise.
2122 (fold_builtin_bitop): Likewise.
2123 (fold_builtin_logarithm): Likewise.
2124 (fold_builtin_1): Likewise.
2125 * convert.c (convert_to_integer): Likewise.
2126 * fold-const.c (negate_mathfn_p): Likewise.
2127 (tree_expr_nonnegative_p): Likewise.
2129 2005-11-30 Dale Johannesen <dalej@apple.com>
2130 Andrew Pinski <pinskia@physics.uc.edu>
2132 * combine.c (find_split_point): Sign extend bitmask
2133 when changing bitfield assignment to IOR of AND.
2135 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2137 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2138 clobber to scratch reg.
2139 (*decrement_and_branch_until_zero_no_clobber): Remove.
2140 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2141 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2142 * config/ms1/ms1.opt (mmul): Remove.
2143 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2144 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2146 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2147 Bernd Schmidt <bernd.schmidt@analog.com>
2149 * pa/predicates.md (symbolic_operand): Add comment.
2150 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2151 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2152 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2153 (pa_secondary_reload_class): Delete.
2154 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2155 and pa_secondary_reload_class. Reorder some checks. Update inline
2156 copy of symbolic operand.
2157 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2159 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2161 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2164 2005-11-30 Jeff Law <law@redhat.com>
2166 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2167 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2169 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2171 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2172 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2173 (ia64_expand_move): Adjust caller.
2175 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2176 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2179 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2181 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2182 Always produce an output if we can remove NEGs or canonicalize
2183 (minus (minus ...)) expressions. Provide a fast path for the
2185 (simplify_gen_binary): Do not call simplify_plus_minus.
2186 (simplify_binary_operation_1): Reassociate at the end of the
2189 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2191 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2192 moves and unpack to speed up.
2194 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2196 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2197 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2198 (gen_v9_scc): Update callers.
2199 * config/sparc/sparc.md: Likewise.
2200 * config/sparc/sparc-protos.h: Update extern declaration.
2202 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2204 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2206 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2209 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2211 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2212 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2213 (negate_expr): Here.
2215 2005-11-29 Ben Elliston <bje@au.ibm.com>
2217 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2218 Fix typo in comment.
2220 2005-11-29 Ben Elliston <bje@au.ibm.com>
2222 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2223 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2225 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2229 * builtins.c (init_target_chars): New.
2230 (expand_builtin_printf, expand_builtin_fprintf,
2231 expand_builtin_sprintf, fold_builtin_sprintf,
2232 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2233 fold_builtin_snprintf_chk, fold_builtin_printf,
2234 fold_builtin_fprintf): Check for matching format strings using
2237 2005-11-29 Paul Brook <paul@codesourcery.com>
2239 * config.gcc: Do not use fixproto on m68k-elf.
2241 2005-11-28 Roger Sayle <roger@eyesopen.com>
2243 * expmed.c (div_cost): Replace with...
2244 (sdiv_cost, udiv_cost): New.
2245 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2246 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2247 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2248 (expand_divmod): Replace use of div_cost with either sdiv_cost
2249 or udiv_cost depending upon the signedness of the operation.
2251 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2254 * config/darwin.c (machopic_indirection_name,
2255 machopic_output_indirection): Follow transparent alias chain.
2257 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2259 * varasm.c (ultimate_transparent_alias_target): Add comment.
2261 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2263 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2264 SET_SRC instead of XEXP where appropriate.
2266 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2268 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2271 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2273 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2274 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2277 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2279 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2280 secondary_input_reload_class, made static. Adapt to new
2282 (secondary_output_reload_class): Delete.
2283 (TARGET_SECONDARY_RELOAD): New macro.
2284 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2285 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2287 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2290 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2291 when its natural alignment is > BITS_PER_UNIT.
2292 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2293 * c-common.c (handle_packed_attribute): Ignore packing on a field
2294 whose type is naturally char aligned.
2296 2005-11-28 Richard Guenther <rguenther@suse.de>
2298 * c-common.c (strict_aliasing_warning): Handle all
2299 component-ref like accesses.
2301 2005-11-28 Roger Sayle <roger@eyesopen.com>
2302 Uros Bizjak <uros@kss-loka.si>
2305 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2306 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2307 when flag_unsafe_math_optimizations is set and
2308 we don't care about NaNs or Infinities.
2310 Move x/expN(y) and x/pow(y,z) transformation into common
2311 flag_unsafe_math_optimizations section.
2313 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2315 * gcc.c (main): Change type of argv to "char **".
2317 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2319 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2320 small data sections.
2321 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2322 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2323 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2324 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2325 output locals to sbss if !rs6000_elf_in_small_data_p.
2326 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2328 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2331 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2332 generated by reload.
2333 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2334 indexed_or_indirect_address.
2335 (indexed_or_indirect_address): Don't test for base reg. Call
2336 address_operand last. Make it a special predicate.
2338 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2340 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2342 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2345 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2347 (negate_expr): Likewise.
2349 2005-11-27 Andreas Schwab <schwab@suse.de>
2351 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2354 2005-11-27 Steven Bosscher <stevenb@suse.de>
2356 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2357 has EH predecessor edges.
2359 2005-11-26 Eric Christopher <echristo@apple.com>
2361 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2362 register stalls by zero extending to the full register.
2364 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2366 * config/floatunsisf.c, config/floatunsidf.c,
2367 config/floatunsixf.c, config/floatunsitf.c: New files.
2368 * config/ia64/t-hpux: Add floatunsitf.c.
2369 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2370 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2372 2005-11-26 Richard Henderson <rth@redhat.com>
2374 * c-lex.c (pragma_lex): Rename from c_lex.
2375 * c-pch.c: Update for pragma_lex rename.
2376 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2377 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2378 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2379 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2380 * doc/tm.texi: Likewise.
2382 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2385 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2386 when overflow is undefined.
2388 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2390 * doc/md.texi (Insn Canonicalizations): Refer to the
2391 function commutative_operand_precedence for further rules.
2393 2005-11-25 Roger Sayle <roger@eyesopen.com>
2396 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2397 is less than zero. Limit mult_cost to a reasonable upper bound for
2398 the synthetic multiplication sequence.
2400 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2403 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2404 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2405 Lookup the explicit replacement functions for any unlocked
2406 stdio builtin transformations.
2408 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2410 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2412 * targhooks.c (default_secondary_reload): Don't require operand 2
2413 for an input reload to be earlyclobber.
2415 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2417 * fold-const.c (negate_mathfn_p): Fix comment and add support
2418 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2421 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2424 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2425 _Q_ulltoq for unsigned conversions from SImode and DImode to
2428 2005-11-25 Alan Modra <amodra@bigpond.net.au>
2430 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2431 (__floatundidf, __floatundisf): Likewise.
2433 2005-11-25 David Edelsohn <edelsohn@gnu.org>
2435 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2436 (rs6000_override_options): Remove initialization of
2437 rs6000_sr_alias_set.
2438 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2439 (rs6000_emit_stack_tie): Same.
2440 (emit_frame_save): Same.
2441 (gen_frame_mem_offset): Same.
2442 (rs6000_emit_prologue): Same.
2443 (rs6000_emit_epilogue): Same.
2445 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2448 * fold-const.c (fold_build): Convert bool_var != 1 and
2449 bool_var == 0 to !bool_var.
2451 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2454 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2455 for C being INTEGER_CST. Likewise for !=.
2457 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2460 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2461 unsigned conversions from SImode to TFmode.
2463 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
2465 * expr.c (expand_expr_real_1): Fix error in last change.
2467 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2469 * caller-save.c: (this_insn_sets): Move into:
2470 (save_call_clobbered_regs).
2471 (mark_set_regs): Get this_insn_sets from data.
2473 (save_call_clobbered_regs): Take sets of the return value by
2474 sibcalls into account.
2476 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2479 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2480 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2481 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2482 (memory_move_secondary_cost, init_reg_autoinc): Remove
2483 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2484 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2485 secondary_reload_class call.
2486 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
2488 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2489 (push_secondary_reload): Use secondary_reload target hook.
2490 (secondary_reload_class, scratch_reload_class): New functions.
2491 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2492 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
2493 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2494 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2495 (secondary_reload_class, scratch_reload_class): Declare.
2496 * reload1.c: Include target.h.
2497 (reload_adjust_reg_for_temp): New function.
2498 (reload_adjust_reg_for_icode): Likewise.
2499 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2500 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2502 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
2503 for inheritance. Support case when both secondary & tertiary reloads
2504 are for intermediate registers.
2505 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2506 with secondary_reload_class call. Support case when both secondary
2507 & tertiary reloads are for intermediate registers.
2508 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2509 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2510 * target.h (secondary_reload_info): New struct / typedef.
2511 (struct gcc_target): New member secondary_reload.
2512 * targhooks.c Include reload.h, optabs.h and recog.h.
2513 (default_secondary_reload): New function.
2514 * targhooks.h (default_secondary_reload): Declare.
2515 * doc/tm.texi: Document secondary_reload target hook. Update
2516 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2517 * doc/md.texi: Likewise.
2519 * sh-protos.h (sh_secondary_reload): Declare.
2520 * sh.c (TARGET_SECONDARY_RELOAD): Override.
2521 (sh_secondary_reload): New function.
2522 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2523 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2524 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2525 (HAVE_SECONDARY_RELOADS): Define.
2526 * sh.md (reload_indf): Rename to:
2528 (reload_outdf): Rename to:
2529 (reload_outdf__RnFRm).
2530 (reload_insf): Rename to:
2532 (reload_insi): Rename to:
2533 (reload_insi__i_fpul).
2535 2005-11-24 Uros Bizjak <uros@kss-loka.si>
2537 * configure.ac: Require at least texinfo 4.4.
2538 * configure: Regenerate.
2540 * doc/install.texi (Tools/packages necessary for building GCC):
2541 Update required version of texinfo to at least 4.4.
2542 (Installing GCC: Building): Update required version of texinfo
2544 (Installing GCC: Final installation): Update required version
2545 of texi2dvi to at least 4.4.
2546 (Host/target specific installation notes for GCC): Update required
2547 version of texinfo to at least 4.4.
2549 2005-11-24 Richard Guenther <rguenther@suse.de>
2550 Dirk Mueller <dmueller@suse.de>
2553 * c-common.h (strict_aliasing_warning): Declare.
2554 * c-common.c (strict_aliasing_warning): New function,
2556 * c-typeck.c (build_c_cast): ... here.
2558 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2560 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2562 (swap_commutative_operands_with_target): New.
2564 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2566 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2567 also when doing PRE, rather than only for global CPROP.
2569 2005-11-24 Ben Elliston <bje@au.ibm.com>
2571 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2572 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2574 (expand_twoval_unop): Likewise.
2575 (widen_clz): Likewise.
2576 (expand_parity): Likewise.
2577 (expand_unop): Likewise.
2578 (emit_cmp_and_jmp_insn_1): Likewise.
2579 (prepare_float_lib_cmp): Likewise.
2581 2005-11-24 Ben Elliston <bje@au.ibm.com>
2583 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2584 Remove unused `class' variable.
2586 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2589 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
2590 C/C++ diagnostic function warn_array_subscript_with_type_char.
2591 * c-common.h (warn_array_subscript_with_type_char): Declare.
2592 * c-common.c (warn_array_subscript_with_type_char): Define.
2594 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2597 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2598 compiling at the intersection of C and C++.
2600 2005-11-23 Mark Mitchell <mark@codesourcery.com>
2602 * doc/invoke.texi: For man pages, include gcc-vers.texi.
2603 List @file in the option summary. Include the libiberty
2604 documentation for @file.
2605 * gcc.c (main): Call expandargv.
2606 * Makefile.in (gcc-vers.texi): Define srcdir.
2608 2005-11-23 Diego Novillo <dnovillo@redhat.com>
2610 * passes.c (init_optimization_passes): Document
2611 sequencing of passes.
2613 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
2615 * config/m68k/predicates.md (pcrel_address, extend_operator,
2616 post_inc_operand, pre_dec_operand): Remove redundant
2618 (const_uint32_operand, const_sint32_operand): Use gcc_assert
2620 (valid_dbcc_comparison_p): Rewrite in the lisp style.
2622 2005-11-23 Ben Elliston <bje@au.ibm.com>
2624 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2626 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
2628 Preparatory work for PR target/21623:
2629 * alpha.c (secondary_reload_class): Rename to:
2630 (alpha_secondary_reload_class).
2631 * alpha.h, alpha-protos.h: Likewise.
2632 * mn10300.c (secondary_reload_class): Rename to:
2633 (mn10300_secondary_reload_class).
2634 * mn10300.h, mn10300-protos.h: Likewise.
2635 * pa.c (secondary_reload_class): Rename to:
2636 (pa_secondary_reload_class).
2637 * pa.h, pa-protos.h: Likewise.
2638 * rs6000.c (secondary_reload_class): Rename to:
2639 rs6000_secondary_reload_class.
2640 * rs6000.h, rs6000-protos.h: Likewise.
2642 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
2645 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2647 2005-11-22 Ian Lance Taylor <ian@airs.com>
2649 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2651 (prepare_cmp_insn): Likewise.
2653 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
2656 * m68k.md (zero_extendsidi2): Force operands[1] to a register
2657 if both operands[0] and operands[1] are memory.
2659 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2662 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2663 COMPARISON_CLASS_P and an integral types create create a new
2664 expression with the new type and fold that.
2666 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2669 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2670 to SUBTARGET_OS_CPP_BUILTINS.
2672 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
2674 * arm.c (emit_set_insn): New function.
2675 (arm_split_constant): Call it.
2676 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2677 (arm_legitimize_address): Likewise. Use plus_constant.
2678 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
2679 (thumb_expand_prologue): Likewise.
2680 (arm_gen_load_multiple): Use VOIDmode in SET.
2681 (arm_gen_store_multiple): Likewise.
2682 (vfp_emit_fstmx): Likewise. Use plus_constant.
2683 (emit_multi_reg_push): Likewise.
2684 (emit_sfm): Use plus_constant.
2686 2005-11-23 Alan Modra <amodra@bigpond.net.au>
2689 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2692 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2695 * expmed.c (store_bit_field): Don't attempt to insv a field
2696 larger than the reg.
2698 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2701 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2702 explicit sign extension, not a (char) cast.
2704 2005-11-22 Ben Elliston <bje@au.ibm.com>
2706 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2707 GET_MODE_CLASS (x) == MODE_FLOAT.
2708 * config/i386/i386.c: Likewise.
2709 * config/rs6000/xcoff.h: Likewise.
2710 * config/rs6000/linux64.h: Likewise.
2711 * config/rs6000/rs6000.c: Likewise.
2712 * config/rs6000/rs6000.h: Likewise.
2713 * config/rs6000/predicates.md: Likewise.
2714 * config/rs6000/sysv4.h: Likewise.
2716 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2718 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2721 * config/alpha/freebsd.h, config/alpha/linux.h,
2722 config/arm/linux-elf.h, config/bfin/bfin.h,
2723 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2724 config/i386/beos-elf.h, config/i386/gnu.h,
2725 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2726 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2727 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2728 config/rs6000/linux64.h, config/rs6000/sysv4.h,
2729 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2730 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2731 config/sparc/linux.h, config/sparc/linux64.h,
2732 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2734 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2735 are both defined when either flag -fpic or -fPIC are used.
2737 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2739 * config/fp-bit.c (clzusi): New function.
2740 (si_to_float, usi_to_float): Use it to compute proper shift.
2741 (usi_to_float): Preserve guard bits when shifting right.
2742 * libgcc-std.ver (GCC_4.2.0): New version.
2743 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2744 __floatundisf): New functions.
2745 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2746 __floatundisf): Declare.
2747 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2748 _floatundixf, and _floatunditf.
2749 * optabs.c (expand_float): If target does not define a pattern for
2750 signed or unsigned conversion, use an unsigned libcall instead of
2752 (init_optabs): Initialize ufloat_optab.
2754 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2756 * config/rs6000/rs6000.opt (mmulhw): New option.
2757 * doc/invoke.texi (-mmulhw): Document.
2758 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2760 * config/rs6000/rs6000.md: Add half-word multiply and
2761 multiply-accumulate instructions for 405 and 440.
2763 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
2765 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2766 which matches behavior of gcc 4.0 and older for RTEMS targets. The
2767 default now includes a linker group which makes the RTEMS one nest.
2769 2005-11-22 Ben Elliston <bje@au.ibm.com>
2771 * cse.c (fold_rtx): Typo fix.
2772 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2774 2005-11-21 Richard Henderson <rth@redhat.com>
2776 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2777 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2779 * c-tree.h (lookup_name): Move declaration ...
2780 * c-common.h (lookup_name): ... here.
2781 * config/darwin-c.c: Include c-common.h.
2782 * config/t-darwin: Update dependencies.
2784 2005-11-22 Ben Elliston <bje@au.ibm.com>
2786 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2787 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2788 * genopinit.c (gen_insn): Likewise.
2789 * reload.c (find_equiv_reg): Likewise.
2790 * loop.c (load_mems): Likewise.
2791 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2792 * cse.c (find_comparison_args, fold_rtx): Likewise.
2793 * dwarf2out.c (add_const_value_attribute): Likewise.
2794 * expr.c (convert_move): Likewise.
2795 * recog.c (general_operand, register_operand): Likewise.
2796 * reg-stack.c (replace_reg): Likewise.
2797 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2798 * c-common.c (handle_vector_size_attribute): Likewise.
2799 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2800 (simplify_binary_operation_1): Likewise.
2801 (simplify_const_binary_operation): Likewise.
2802 (simplify_relational_operation): Likewise.
2803 (simplify_const_relational_operation): Likewise.
2804 (simplify_immed_subreg): Likewise.
2805 * emit-rtl.c (gen_lowpart_common): Likewise.
2806 * expmed.c (expand_mult): Likewise.
2807 * stor-layout.c (layout_type): Likewise.
2809 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
2812 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2813 cst2 only for SPE vectors.
2815 2005-11-21 David Edelsohn <edelsohn@gnu.org>
2818 * config/rs6000/predicates.md (vrsave_operation): Check
2819 UNSPEC_VOLATILE value.
2821 2005-11-21 Jan Hubicka <jh@suse.cz>
2823 PR tree-optimization/24653
2824 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2826 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2828 * config/i386/predicates.md (ax_reg_operand): New predicate.
2829 (memory_displacement_only_operand): New predicate.
2830 * config/i386/i386.md ("modrm" attribute): Return 0 if one
2831 operand is AX register and the other operand is memory operand
2832 with displacement only.
2834 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2836 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2837 if we don't care about NaNs or Infinities.
2839 2005-11-20 Ian Lance Taylor <ian@airs.com>
2841 PR rtl-optimization/24883
2842 * combine.c (combinable_i3pat): When checking whether the
2843 destination of i3 is used in i3, consider paradoxical subregs.
2845 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
2848 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2850 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
2852 * combine.c (try_combine): Do not run subst on i1src and i2src in
2853 the case of generating a PARALLEL for a comparison.
2855 2005-11-20 Richard Henderson <rth@redhat.com>
2858 * tree-sra.c (struct sra_elt): Add all_no_warning.
2859 (struct sra_walk_fns) <use>: Add use_all argument.
2860 (sra_walk_expr): Pass it.
2861 (sra_walk_modify_expr): Likewise.
2862 (scalarize_ldst): Likewise.
2863 (scan_use): Update for new argument.
2864 (mark_no_warning): New.
2865 (scalarize_use): Use it.
2867 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2869 * expr.c (expand_expr_real): Use usmul_optab for widening
2870 signed * unsigned multiplies.
2871 * genopinit.c (optabs): Add usmul_widen_optab.
2872 * optabs.c (init_optabs): Likewise.
2873 * optabs.h (enum optab_index): Add OTI_usmul_widen.
2874 (usmul_widen_optab): Define.
2875 * config/bfin/bfin.md (usmulhisi3): New pattern.
2877 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2879 2005-11-20 Graham Stott <btinternet.com>
2881 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2883 2005-11-20 Andreas Schwab <schwab@suse.de>
2886 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2889 2005-11-19 Richard Henderson <rth@redhat.com>
2892 * tree-gimple.c (is_gimple_id): Export.
2893 * tree-gimple.h (is_gimple_id): Declare.
2894 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2895 (get_default_value): Use it.
2896 (maybe_fold_stmt_indirect): Likewise.
2898 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
2900 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2901 than VR1 or vice-versa.
2903 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
2907 * reload.c (find_reloads_address_1): Mention dependency on
2909 * reload1.c (gen_reload): For IN with an unary operation, try
2910 moving inner expression to OUT if trivial SET is not valid.
2911 Confirm that the result is valid. Move common code block into...
2912 (emit_insn_if_valid_for_reload): New function.
2914 2005-11-19 Richard Guenther <rguenther@suse.de>
2916 * fold-const.c (fold_indirect_ref_1): Make sure we fold
2917 ARRAY_REFs of constant strings.
2919 2005-11-19 Jakub Jelinek <jakub@redhat.com>
2921 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2922 fatal format string.
2924 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
2926 * combine.c (make_compound_operation): Swap operands of
2927 commutative operation if necessary before returning.
2929 2005-11-19 Richard Guenther <rguenther@suse.de>
2932 * fold-const.c (fold_plusminus_mult_expr): New function.
2933 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2934 cases, remove now unnecessary code.
2936 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
2938 * gensupport.c (old_preds): Rename to std_preds, add special field.
2939 (struct old_pred_table): Rename to struct std_pred_table, add special
2941 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2942 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2943 (init_predicate_table): Adjust, and set along the way whether a
2944 predicate is special.
2946 2005-11-18 Mark Mitchell <mark@codesourcery.com>
2948 * BASE-VER: Change to 4.2.0.
2950 2005-11-18 James E Wilson <wilson@specifix.com>
2952 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2955 2005-11-18 Mike Stump <mrs@apple.com>
2957 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2958 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2959 * c-decl.c (lookup_name_two) Remove.
2960 * c-tree.h (lookup_name_two): Remove.
2961 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2962 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2963 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2964 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2966 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
2969 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2970 when not generating code to use that co-processor.
2972 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
2974 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2975 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2976 these functions are now in tree-phinodes.c.
2978 2005-11-18 Jie Zhang <jie.zhang@analog.com>
2980 * config/bfin/bfin.md (trap): New pattern.
2982 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2984 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2987 * expr.c (expand_expr_real): Don't call record_block_change unless
2988 ib_boundaries_block is non-null
2990 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2992 * fold-const.c (build_range_check): Use proper type for subtraction
2993 when merging lower bound.
2995 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2997 PR rtl-optimization/24497
2998 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3001 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
3003 * tree-scalar-evolution.c (expression_expensive_p): New function.
3004 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3006 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
3008 * config/bfin/crtlibid.s: New file.
3010 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3013 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3014 when not using sjlj exceptions.
3015 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3016 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3017 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3018 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3019 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3020 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3021 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3022 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3023 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3024 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3025 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3026 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3027 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3029 * config/pa/hpux-unwind.h: New file.
3031 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
3033 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3034 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3035 * varasm.c (do_assemble_alias): Adjust call.
3036 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3038 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3040 2005-11-17 James E Wilson <wilson@specifix.com>
3042 * tree.def (FUNCTION_DECL): Correct typo in comment.
3044 2005-11-17 Richard Henderson <rth@redhat.com>
3046 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3047 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3048 and DW_CFA_def_cfa_sf.
3049 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3050 (dbx_reg_number): Don't assert particular registers here.
3051 (based_loc_descr): ... do it here instead. Fold in ...
3052 (eliminate_reg_to_offset): ... this function.
3053 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3054 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3055 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3056 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3057 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3058 (instantiate_virtual_regs): Likewise.
3059 * var-tracking.c (adjust_stack_reference): Likewise.
3060 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3062 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3064 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3065 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3066 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3068 ($(T)crtlibid.o): New rule.
3070 2005-11-16 Richard Guenther <rguenther@suse.de>
3073 * fold-const.c (extract_array_ref): Return byte offset
3075 (fold_binary): Fold &x[a] CMP &x[b] to
3076 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3079 2005-11-16 Richard Henderson <rth@redhat.com>
3082 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3083 parts of an SSA_NAME.
3085 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3088 * arm.md (split for movsf with immediate): Restrict split to insns
3089 that set a general register.
3091 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3093 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3095 * unwind-dw2.c (uw_advance_context): Likewise.
3096 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3097 _Unwind_SjLj_Unregister.
3098 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3100 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3102 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3104 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3106 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3107 langhook to get a DImode integer type.
3109 2005-11-16 Richard Henderson <rth@redhat.com>
3110 J"orn Rennecke <joern.rennecke@st.com>
3111 Ulrich Weigand <uweigand@de.ibm.com>
3115 * reload1.c (reg_equiv_invariant): New.
3116 (reload): Allocate, initialize, and free it.
3117 (calculate_needs_all_insns): Check it when skipping equivalence
3119 (alter_reg): Likewise.
3120 (eliminate_regs_1): Rename from eliminate_regs. Add new
3121 may_use_invariant argument; only use reg_equiv_invariant when true.
3122 (eliminate_regs): New.
3123 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3124 a context for which may_use_invariant may be true.
3126 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3128 * fold-const.c (const_binop): Don't constant fold the operation
3129 if the result has overflowed and flag_trapping_math.
3130 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3132 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3134 * config/arm/unwind-arm.c (abort): Add prototype here.
3135 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3136 (struct phase1_vrs): Add prev_sp.
3137 (unwind_phase2_forced): Save the original core registers instead of
3138 modifying entry_vrs. Take a new flag argument for resuming unwinding
3139 and set action flags accordingly. Always set _US_END_OF_STACK when
3140 get_eit_entry fails. Unwind before calling the stop function.
3141 (_Unwind_GetCFA): New function.
3142 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3143 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3144 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3145 just call unwind_phase2_forced.
3146 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3147 * config/arm/unwind-arm.h (abort): Remove prototype.
3148 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3150 (_Unwind_GetCFA): New prototype.
3151 * config/arm/pr-support.c (abort): Add prototype here.
3152 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3154 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3155 not schedule the prologue with non-call exceptions and EABI.
3157 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3159 * config/arm/unwind-arm.h: Reorder interface function declarations.
3160 (_URC_END_OF_STACK): New enumeration value.
3161 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3162 (struct _Unwind_Control_Block): Document reserved field use.
3163 (_Unwind_Stop_Fn): New typedef.
3164 (_Unwind_ForcedUnwind): Declare.
3165 (_Unwind_Resume_or_Rethrow): Declare.
3166 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3168 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3169 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3170 (UCB_FORCED_STOP_ARG): New.
3171 (search_EIT_table): Update boundary condition checks.
3172 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3173 (unwind_phase2): Replace for with do..while.
3174 (unwind_phase2_forced): New.
3175 (__gnu_Unwind_RaiseException): Replace for with do..while.
3176 (__gnu_Unwind_ForcedUnwind): New.
3177 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3178 Use appropriate phase2 unwinder.
3179 (__gnu_Unwind_Resume_or_Rethrow): New.
3180 (__gnu_unwind_pr_common): Cope with forced unwinding.
3182 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3185 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3187 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3188 roundsf2): Remove "s" from mnemonic.
3190 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3192 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3194 * config/bfin/crtn.s: Change epilogues to match.
3195 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3196 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3197 __PIC__ and __pic__.
3199 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3202 * doc/invoke.texi: Distinguish between free and fixed form instead of
3203 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3205 * gcc.c (default_compilers): Remove double entries, add entries for
3206 suffixes '.F90' and '.F95'.
3208 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3210 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3211 in the stack probing loop.
3213 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3215 * configure.ac: Use .machine power5 not power5x.
3216 * configure: Regenerate.
3218 2005-11-15 Mike Stump <mrs@apple.com>
3220 * c-decl.c (lookup_name_two): Add.
3221 * c-tree.h (lookup_name_two): Likewise.
3222 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3223 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3225 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3227 PR rtl-optimization/23392
3228 * regrename.c (enum scan_actions) Add mark_access.
3229 (scan_actions_name): Ditto.
3230 (scan_rtx_reg): Handle mark_access.
3231 (scan_rtx_address): Do nothing for mark_access.
3232 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3233 and regs in REG_INC notes before closing chains for dead regs.
3234 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3235 opening chains for new writes.
3237 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3239 * c.opt (ffixed-line-length-none): New.
3241 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3243 * mklibgcc.in: Change contents of eh_dummy.c.
3245 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3247 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3249 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3251 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3253 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3255 2005-11-15 Jan Hubicka <jh@suse.cz>
3257 * invoke.texi (large-unit-insns): Document.
3258 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3259 * params.def (large-unit-insns): New param.
3261 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3264 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3265 special register for operand 3. Reindent constraints to align
3268 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3270 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3271 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3272 * configure.ac: Add test for FP rounding instructions.
3273 * configure: Regenerate.
3274 * config.in: Regenerate.
3275 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3276 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3278 * config/rs6000/rs6000.opt (mfprnd): New.
3279 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3280 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3281 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3282 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3283 (TARGET_FPRND): New.
3284 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3286 (btrunc<mode>2): New.
3288 (floor<mode>2): New.
3289 (round<mode>2): New.
3291 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3293 * gcc.c (version_compare_spec_function): Use fatal() rather than
3296 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3297 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3298 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3300 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3303 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3304 on -mmacosx-version-min setting.
3306 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3309 * tree-vrp.c (infer_value_range): Return false if STMT is a
3310 block terminator and its basic block has no successors.
3312 2005-11-14 Mike Stump <mrs@apple.com>
3314 * config/i386/i386.c (override_options): -masm=intel isn't
3315 supported on darwin.
3316 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3318 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3320 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3321 vfork after including auto-host.h.
3323 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3325 PR rtl-optimization/22002
3326 * combine.c (distribute_notes): Detect cases where a reg dies
3327 two or more times in a bb, including on the insn we are combining,
3328 and place the death note on the correct range.
3330 2005-11-14 Dale Johannesen <dalej@apple.com>
3332 * expmed.c (store_bit_field): Add offset unconditionally for
3334 (extract_bit_field): Don't force extzv or extv operand into
3335 a register if field is too big.
3337 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3339 * config/arm/arm.c (pic_labelno): New.
3340 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3341 LABEL_REF. Pass only the labelno to PIC insns.
3342 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3343 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3344 * arm.md (UNSPEC_PIC_LABEL): New constant.
3345 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3346 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3347 Use the correct label prefix.
3349 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3351 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3354 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3356 * loop-invariant.c: Include tm_p.h.
3357 * Makefile.in: Updated.
3359 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3361 * pa.c (store_reg): Revise generation of frame notes in large frames.
3362 (set_reg_plus_d): Likewise.
3364 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3366 PR tree-optimization/24709
3367 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3370 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3372 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3373 and duplicate declaration of pthread_self.
3375 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3376 Ian Lance Taylor <ian@airs.com>
3379 * calls.c (expand_call): If TARGET is a MEM and some part of the
3380 argument area has been saved, force TARGET to a register.
3382 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3384 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3387 2005-11-13 Jason Merrill <jason@redhat.com>
3390 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3391 lazily declared methods.
3392 (force_decl_die): Stop if forcing out the context already make a
3394 (force_type_die): Likewise.
3396 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3399 * builtins.c (integer_valued_real_p): Add break in
3400 REAL_CST having TREE_OVERFLOW set.
3402 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
3404 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3405 addressing modes during calculation of costs.
3407 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3409 * function.c (assign_stack_local_1): Restrict sanity check
3410 on frame size overflow to 32-bit and above platforms.
3412 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3414 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3415 * config/cris/cris.c: Include reload.h.
3416 (cris_initial_elimination_offset): New function.
3417 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3420 2005-11-12 Richard Guenther <rguenther@suse.de>
3422 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3424 2005-11-12 Jan Hubicka <jh@suse.cz>
3426 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3427 to compare against 0 when possible.
3429 2005-11-12 Jie Zhang <jie.zhang@analog.com>
3431 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3432 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3433 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3434 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3437 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3439 * recog.c (constrain_operands) <case 'g'>: For a match, require
3440 that a non-register matches general_operand when strict >= 0.
3442 2005-11-11 Steven Bosscher <stevenb@suse.de>
3444 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3447 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3449 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3450 (memory_address_same): New.
3451 (dse_optimize_stmt): Call memory_address_same.
3453 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3456 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3457 ZERO_EXTEND>: New cases.
3459 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3461 * longlong.h (__clz_tab): Always provide.
3463 2005-11-11 Steven Bosscher <stevenb@suse.de>
3466 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3468 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3469 before check_maybe_invariant.
3470 (move_invariant_reg): Use gen_move_insn instead of replacing
3471 SET_DEST with the temporary for the invariant.
3472 (move_loop_invariants): If checking is enabled, do internal
3473 consistency checks after completing the pass.
3475 2005-11-11 David Edelsohn <edelsohn@gnu.org>
3478 * common.opt (Wvolatile-register-var): New.
3479 * varasm.c (make_decl_rtl): Only emit warning when option
3480 specified. Clarify warning message.
3481 * doc/invoke.texi (Wvolatile-register-var): Document new option.
3483 * doc/md.texi (copysign): Document standard named pattern.
3485 2005-11-11 Jie Zhang <jie.zhang@analog.com>
3487 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3488 bytes when align is 2.
3489 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3490 by the first instruction of the loop.
3492 2005-11-11 Jason Merrill <jason@redhat.com>
3495 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3498 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3500 PR rtl-optimization/22509
3501 * local-alloc.c (memref_used_between_p): Check whether a function call
3502 could not reference the memref.
3504 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
3506 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3507 algorithm so as to choose the best, not the worst, alternative.
3508 Reset accumulated register class before processing next alternative.
3510 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
3513 * calls.c (expand_call): Copy a return value to a plain register
3516 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
3519 * varasm.c (assemble_name): Recompute name only for transparent
3522 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
3524 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3526 2005-11-04 Jeff Law <law@redhat.com>
3529 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3530 perform reassociation if the parent statement will not die as
3531 a result of the optimization.
3533 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
3535 * tree-ssa-alias.c (compute_may_aliases): Remove call to
3536 delete_old_heap_vars.
3537 * tree-dfa.c (referenced_var_remove): Remove function.
3538 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3539 (delete_tree_ssa): Remove call to delete_old_heapvars.
3540 Add call to delete_alias_heapvars.
3541 * tree-flow.h (referenced_var_remove): Remove prototype
3542 (init_alias_heapvars): New prototype.
3543 (delete_alias_heapvars): Ditto.
3544 * Makefile.in (tree-ssa-structalias.o): Add
3545 gt-tree-ssa-structalias.o
3546 (GTFILES): Add tree-ssa-structalias.h and
3547 tree-ssa-structalias.c.
3548 (s-gtype): Add gt-tree-ssa-structalias.h.
3549 * tree-ssa-structalias.c (heapvars): Remove.
3550 (oldheapvars): Remove.
3551 (heapvar_for_stmt): New variable.
3552 (heapvar_lookup): New function.
3553 (heapvar_insert): Ditto.
3554 (get_constraint_for): See if we have an old heapvar
3556 (init_alias_heapvars): New function.
3557 (delete_alias_heapvars): Ditto.
3558 Add include of gt-tree-ssa-structalias.h.
3560 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3563 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3565 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
3567 * tree.c (int_fits_type_p): Only look at the base type
3568 if it has the same precision as the original type.
3570 2005-11-10 Jakub Jelinek <jakub@redhat.com>
3573 * varasm.c (assemble_alias): Use %q+D in the error
3574 message instead of %J and %qD.
3576 2005-11-10 Richard Guenther <rguenther@suse.de>
3578 * gcse.c (free_ldst_entry): Only free hashtable if
3581 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3583 * function.c (assign_stack_local_1): Issue an error message if
3584 the frame size overflows in the signed target arithmetics.
3586 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3588 * tree.c (build_qualified_type): Chain the new type to the original
3589 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3590 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3591 (build_pointer_type_for_mode): Only return unqualified types.
3592 (build_reference_type_for_mode): Likewise.
3594 2005-11-09 Jakub Jelinek <jakub@redhat.com>
3596 * Makefile.in (gnucompare): Do comparison of all files using one of
3597 the chosen methods and only afterwards decide if just warning should
3598 be issued or comparison failure raised.
3600 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3602 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3603 (noce_try_abs): Negate if the comparison is reversed.
3604 Look only one instruction backwards for a REG_EQUAL note.
3606 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3609 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3610 gthr-tpf.h: Define __gthrw. For all identifiers that might
3611 be weak, introduce weakrefs or non-weak aliases with __gthrw,
3612 and prefix all uses with __ghtrw.
3614 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3617 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3618 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
3619 * c-common.c (handle_weakref_attribute): New.
3620 (c_common_attribute_table): Add weakref.
3621 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3623 * configure, config.in: Rebuilt.
3624 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3625 * doc/extend.texi: Document weakref attribute.
3626 * varasm.c (ultimate_transparent_alias_target): New
3627 (assemble_name): Use it.
3628 (weak_finish_1): Split out of...
3629 (weak_finish): ... and deal with weakrefs in...
3630 (weakref_targets): ... new list.
3631 (globalize_decl): Clean up weakref_targets.
3632 (do_assemble_alias): Handle weakrefs.
3633 (finish_aliases_1): Do not reject weakrefs to external symbols.
3634 (assemble_alias): Handle weakrefs.
3636 2005-11-09 Richard Guenther <rguenther@suse.de>
3638 PR tree-optimization/24716
3639 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3640 t_bool to track results from follow_ssa_edge.
3642 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3644 * final.c (force_source_line): New global variable.
3645 (final_scan_insn): Set it to true instead of clearing last_filename.
3646 (notice_source_line): Return true if force_source_line is true,
3647 unless source info is absent.
3649 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
3652 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3653 a linkage name for a variable if it a register variable.
3654 * c-decl.c (grokdeclarator): Global register variables
3655 should be set as PUBLIC.
3657 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3660 * config/s390/s390.c (struct s390_frame_layout): New fields
3661 first_save_gpr_slot and last_save_gpr_slot.
3662 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3663 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3664 first_save_gpr and last_save_gpr with the _slot variants.
3665 (s390_register_info): Calculate first_save_gpr_slot and
3666 last_save_gpr_slot using regs_ever_live.
3668 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3671 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3672 for a function containing a landing pad.
3674 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3677 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3680 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
3682 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3683 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3685 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
3688 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3690 (call,load,store): New insn types.
3691 (mem_access, branch_access): Adjust reservation conditions.
3692 (define_delay): Adjust condition.
3693 (decrement_and_branch_until_zero): Allow for ms2. Set branch
3695 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3696 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3698 (call_internal, call_value_internal, return_internal,
3699 return_interrupt_internal, eh_return_internal, indirect_jump,
3700 tablejump): Set call insn type.
3701 (blockage, ei, di): Use appropriate unspec const.
3702 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3703 (ms1_get_attr_type): Adjust to give load & store types.
3704 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
3705 backwards past a barrier.
3706 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
3708 (struct branch_info, struct label_info): New.
3710 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3711 (ms1_machine_reorg): New.
3712 (TARGET_MACHINE_DEPENDENT_REORG): Override.
3713 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3714 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3715 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3718 2005-11-09 Per Bothner <per@bothner.com>
3719 Uros Bizjak <uros@kss-loka.si>
3722 * toplev.c (process_options): Initialize debug_hooks early
3723 in case lang_hooks.post_options ends up calling a debug_hook.
3725 2005-11-08 Jakub Jelinek <jakub@redhat.com>
3727 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3728 DBX_REGISTER_NUMBER being contiguous.
3730 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
3731 Diego Novillo <dnovillo@redhat.com>
3734 * tree-vrp.c (register_edge_assert_for): Do not register
3735 always-false predicates.
3737 2005-11-08 Devang Patel <dpatel@apple.com>
3739 PR tree-optimization/23115
3740 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3743 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
3745 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3748 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
3750 Fix PR tree-optimization/23382
3752 * tree-ssa-alias.c (compute_may_aliases): Call
3753 delete_old_heap_vars.
3754 * tree-dfa.c (referenced_var_remove): New function.
3755 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3756 * tree-flow.h (referenced_var_remove): Add prototype.
3757 (delete_old_heap_vars): Ditto.
3758 * tree-ssa-structalias.c (heapvars): New variable.
3759 (oldheapvars): Ditto.
3760 (get_constraint_for): Put heap vars on heapvars list.
3761 (delete_old_heap_vars): New function.
3763 2005-11-08 Jason Merrill <jason@redhat.com>
3765 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3767 2005-11-08 Uros Bizjak <uros@kss-loka.si>
3770 * reg-stack.c (reg_to_stack): Update register liveness also
3771 for flag_sched2_use_traces.
3773 2005-11-08 Alan Modra <amodra@bigpond.net.au>
3776 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3777 override prior explicit -mno-powerpc-gfxopt.
3779 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
3781 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3782 if the bitsize is zero.
3783 * doc/md.texi (Standard Pattern Names): Document it.
3785 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3786 (TARGET_PASS_BY_REFERENCE): Likewise.
3788 2005-11-07 Ian Lance Taylor <ian@airs.com>
3790 PR rtl-optimization/24683
3791 * config/i386/i386.c (legitimize_pic_address): If constant operand
3792 to PLUS is too large, put it in a register.
3794 2005-11-07 Jie Zhang <jie.zhang@analog.com>
3796 * configure.ac: Enable checking assembler dwarf2 support for bfin
3798 * configure: Regenerate.
3800 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3804 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3805 gen_easy_vector_constant_add_self): Delete.
3806 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3808 (output_vec_const_move): Use gen_easy_altivec_constant.
3809 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3810 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3811 (easy_vector_constant_add_self): Rewritten.
3812 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3813 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3814 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3815 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3816 Macroize and adjust for the other changes.
3818 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3822 * c-typeck.c (build_c_cast): Try using a shared constant, and see
3823 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3825 2005-11-07 Jakub Jelinek <jakub@redhat.com>
3827 PR rtl-optimization/23567
3828 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3829 (noce_process_if_block): Don't do any optimizations except
3830 if (cond) x = x; if !set_b and write into orig_x may trap
3831 or fault. Remove the MEM_READONLY_P check.
3833 2005-11-06 Diego Novillo <dnovillo@redhat.com>
3836 * tree-vrp.c (fix_equivalence_set): New.
3837 (extract_range_from_assert): Call it.
3839 2005-11-05 Ian Lance Taylor <ian@airs.com>
3842 * combine.c (apply_distributive_law): Don't distribute across a
3845 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
3847 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3848 config/ms1/ms1.h, config/rs6000/predicates.md,
3849 config/s390/s390.c, params.def, postreload-gcse.c,
3850 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3851 tree-vrp.c, tree.c: Fix comment typos.
3852 * doc/invoke.texi: Fix typos.
3854 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
3856 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3857 for testing whether the data_dependence_relation contains distance
3858 vectors. Iterate over all distance vectors of the ddr.
3859 * lambda.h: Define a vec of lambda_vector pointers.
3860 * tree-data-ref.c (dump_data_dependence_relation,
3861 dump_data_dependence_direction): Iterate over all distance and
3862 direction vectors of the ddr.
3863 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3865 (build_classic_dist_vector, build_classic_dir_vector): Push a set
3866 of distance/direction vectors instead of a single one.
3867 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3868 lambda_vectors with a vec of lambda_vectors.
3869 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3870 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3871 DDR_NUM_DIST_VECTS): New.
3872 * tree-loop-linear.c (gather_interchange_stats): Test for the
3873 existence of distance vectors only after having checked that there
3874 is a dependence. Iterate over all distance vectors of the ddr.
3875 (linear_transform_loops): Use dump_data_dependence_relation.
3876 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3877 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
3878 distance vectors of the ddr.
3880 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
3882 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3883 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3884 IS_INTHANDLER; all callers changed.
3885 (n_regs_saved_by_prologue): Take interrupt handler attributes into
3887 (do_link, do_unlink): New argument ALL; all callers changed.
3888 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3889 If function isn't leaf, save and restore all registers.
3890 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3893 2005-11-05 Jan Hubicka <jh@suse.cz>
3895 PR rtl-optimization/23490
3896 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3897 max-flow-memory-location): Document.
3898 * flow.c: Include params.h
3899 (MAX_MEM_SET_LIST_LEN): Kill.
3900 (add_to_mem_set_list): Use new param.
3901 * cse.c (cse_basic_block): Replace 1000 by new param.
3902 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3903 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3904 * predict.c (predict_loops): Use new param.
3905 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3907 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3908 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3909 Do not hold memory returned by cgraph_node_name across other call.
3911 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
3914 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3917 2005-11-04 Jeff Law <law@redhat.com>
3920 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3921 * tree-ssa-dom.c: Include params.h.
3922 (thread_across_edge): If there are too many statements in the
3923 target block, then do not thread through it.
3924 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3925 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3927 2005-11-03 Diego Novillo <dnovillo@redhat.com>
3930 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3931 TODO_update_ssa instead of TODO_update_ssa_no_phi.
3933 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
3936 * tree-scalar-evolution.c (instantiate_parameters_1,
3937 instantiate_parameters, resolve_mixers): Compute the size of an
3938 expression to be instantiated and give up the instantiation if the
3939 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3941 2005-11-04 Richard Guenther <rguenther@suse.de>
3943 * tree-flow.h (ref_contains_indirect_ref): Rename to
3944 array_ref_contains_indirect_ref.
3945 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3946 (array_ref_contains_indirect_ref): Make comment match the code
3948 (ref_contains_array_ref): Likewise.
3949 * tree-ssa-structalias.c (find_func_aliases): Remove call to
3950 ref_contains_indirect_ref.
3951 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3952 Rename calls to ref_contains_indirect_ref.
3954 2005-11-04 Paul Brook <paul@codesourcery.com>
3956 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3957 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3958 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3959 * config/arm/arm.md: Use match_operand in peephole input templates
3960 and match_dup in peephole output templates.
3962 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3964 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3967 2005-11-04 Mark Mitchell <mark@codesourcery.com>
3968 Daniel Jacobowitz <dan@codesourcery.com>
3970 * longlong.h (add_ssaaaa): Clobber condition code register
3972 (sub_ddmmss): Likewise.
3973 (umul_ppmm): Likewise.
3975 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3976 Paul Brook <paul@codesourcery.com>
3977 Phil Blundell <pb@reciva.com>
3979 * configure.ac: Add test for ARM TLS support.
3980 * configure: Regenerated.
3981 * config/arm/arm-protos.h (legitimize_tls_address)
3982 (arm_tls_referenced_p, tls_mentioned_p)
3983 (arm_output_addr_const_extra): New prototypes.
3984 (thumb_legitimize_pic_address): Delete.
3985 * config/arm/arm.c: Include "gt-arm.h".
3986 (enum tls_reloc): New.
3987 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3988 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3989 (arm_call_tls_get_addr, legitimize_tls_address)
3990 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3991 (arm_init_tls_builtins, arm_emit_tls_decoration)
3992 (arm_output_addr_const_extra): New functions.
3993 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3994 (TARGET_HAVE_TLS): Define.
3995 (target_thread_pointer): New.
3996 (arm_override_options): Handle -mtp=.
3997 (legitimize_pic_address): Ignore UNSPECs.
3998 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4000 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4001 (tls_get_addr_libfunc): New variable.
4002 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4003 (arm_init_builtins): Call arm_init_tls_builtins.
4004 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4005 (arm_encode_section_info): Call default_encode_section_info.
4006 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4007 (enum arm_tp_type): New.
4008 (target_thread_pointer): Add declaration.
4009 (LEGITIMATE_CONSTANT_P): Handle TLS.
4010 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4011 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4012 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4013 * config/arm/arm.md: Add UNSPEC_TLS.
4014 (movsi): Handle TLS.
4015 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4017 (tls_load_dot_plus_eight): New insn and a peephole to create it.
4018 (load_tp_hard, load_tp_soft): New insns.
4019 * arm.opt: Add -mtp=.
4020 * doc/invoke.texi (ARM Options): Document -mtp.
4022 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4024 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4025 * config/arm/libunwind.S: Include "lib1funcs.asm".
4026 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4027 (LIB2ADDEH): Add libunwind.S.
4028 (LIB2ADDEHDEP): Add lib1funcs.asm.
4029 * mklibgcc.in: Handle asm files in libgcc_eh.a.
4031 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4034 * gcc/c.opt: Add a -lang-fortran option.
4035 * gcc/c-opts.c: Add a lang_fortran flag.
4036 (c_common_init_options): Handling the -lang-fortran option.
4037 (c_common_handle_option): Add a case for Fortran options in
4038 preprocessing. Remove cases for -ffixed-form and
4039 -ffixed-line-length. Add a case for -lang-fortran.
4041 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4043 * config/rs6000/rs6000.c: Include params.h
4044 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4045 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4046 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4047 (UNSPEC_VPKUWSS): Delete.
4048 (altivec_vpkuhss): Delete.
4049 (altivec_vpkuwss): Delete.
4050 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4052 (neg_eq0<mode>): Remove final condition.
4053 (neg_eq<mode>): Remove condition and split-condition.
4055 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4057 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4058 Use associated print macros.
4060 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4063 * diagnostic.c (diagnostic_set_info_translated): New function.
4064 (diagnostic_set_info): Use it. Add comment.
4065 * diagnostic.h (diagnostic_set_info_translated): Declare.
4067 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4069 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4070 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4071 reference only if 'public' is true.
4072 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4073 emit the .hidden directive only if the indirect reference is public.
4074 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4075 Pass it to dw2_force_const_mem.
4076 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4077 * dwarf2out.c (output_cfi): Adjust calls to above function.
4078 (output_call_frame_info): Likewise.
4079 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4080 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4082 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4084 PR tree-optimization/24483
4085 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4086 field to elts if possible.
4088 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4091 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4094 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4096 Fix PR tree-optimization/24351
4098 * tree-ssa-structalias.c (struct variable_info): Add
4100 (get_varinfo_fc): New function to follow collapsing.
4101 (new_var_info): Set collapsed_to to NULL.
4102 (dump_constraint): Follow collapsing.
4103 (build_constraint_graph): Handle collapsing.
4104 (do_simple_structure_copy): Return false if something bad
4106 (collapse_rest_of_var): New function.
4107 (do_structure_copy): Collapse if do_simple_structure_copy returns
4110 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4113 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4114 expressions to a statement list instead of gimplifying them.
4116 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4118 PR rtl-optimization/23585
4119 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4120 that can't trap plus a constant integer, if the mode has zero size.
4122 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4125 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4127 ("*insv<mode>_reg_extimm"): Likewise.
4129 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4132 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4133 c_common_type_for_mode returns an unnamed type.
4135 2005-11-02 Richard Henderson <rth@redhat.com>
4139 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4140 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4141 * function.c (assign_parms): Use calls.internal_arg_pointer.
4142 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4144 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4145 (TARGET_CALLS): Add it.
4146 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4147 * targhooks.c (default_internal_arg_pointer): New.
4148 * targhooks.h (default_internal_arg_pointer): Declare.
4149 * tree.h (dwarf2out_reg_save_reg): Declare.
4150 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4151 * config/i386/i386.c (dbx_register_map): Add return column.
4152 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4153 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4154 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4155 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4156 (ix86_save_reg): Save force_align_arg_pointer.
4157 (ix86_emit_save_regs): Make regno unsigned.
4158 (ix86_emit_save_regs_using_mov): Likewise.
4159 (ix86_expand_prologue): Handle force_align_arg_pointer.
4160 (ix86_expand_epilogue): Likewise.
4161 * config/i386/i386.h: (dbx_register_map): Update.
4162 (dbx64_register_map, svr4_dbx_register_map): Update.
4163 (struct machine_function): Add force_align_arg_pointer.
4164 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4165 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4166 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4168 2005-11-02 Jan Hubicka <jh@suse.cz>
4171 * i386.md: Add peep2 for simplyfing array accesses.
4173 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4176 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4177 * config/s390/s390.c (s390_decompose_shift_count): New function.
4178 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4179 (print_shift_count_operand): Use s390_decompose_shift_count.
4180 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4181 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4183 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4186 * loop.c (loop_givs_rescan): Use force_operand to expand
4189 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4192 * fold-const.c (build_range_check): Use unsigned when signed
4193 overflow is undefined also. If etype is subtype, make sure that
4194 the subtraction is in the supertype.
4196 2005-11-02 Richard Henderson <rth@redhat.com>
4199 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4202 2005-11-01 Richard Henderson <rth@redhat.com>
4205 * loop.c (scan_loop): Do not propagate computations to a hard
4206 register destination with SMALL_REGISTER_CLASSES.
4208 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4210 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4211 costs for MULT inside PLUS or MINUS.
4213 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4215 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4216 (TRAMPOLINE_SIZE): Round up to 60.
4217 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4219 2005-10-31 James E. Wilson <wilson@specifix.com>
4222 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4223 ifdef. Put ifdefs around call in gen_subprogram_die.
4224 (compute_frame_pointer_to_cfa_displacement): Likewise.
4225 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4228 PR rtl-optimization/17356
4229 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4230 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4232 2005-10-31 Jan Hubicka <jh@suse.cz>
4235 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4238 * i386.c (legitimize_pic_address): Deal with large immediates.
4241 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4242 from symbol names while computing checkup.
4245 * predict.c (predict_loops): Do not estimate more than
4246 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4247 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4249 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4251 PR tree-optimization/19097
4252 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4254 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4256 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4258 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4261 * tree-inline.c (setup_one_parameter): If the init_stmt
4262 is NULL, don't insert the statement.
4264 2005-10-30 Jan Hubicka <jh@suse.cz>
4266 PR tree-optimization/24172
4267 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4269 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4271 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4272 constants for hosts with long != 32 bits.
4274 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4277 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4279 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4281 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4282 (TARGET_MS1_16_002): New.
4283 (TARGET_MS1_16_003): New.
4285 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4286 ("*decrement_and_branch_until_zero_no_clobber"): New.
4287 Add corresponding splitter for decrement_and_branch_until_zero
4289 Key all decrement_and_branch_until_zero patterns off of
4292 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4295 * tree-complex.c (extract_component): Treat RESULT_DECL
4296 like the rest of the decls.
4298 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4300 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4301 indirect call to _mcount if the function needs a static chain.
4303 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4304 Caroline Tice <ctice@apple.com>
4306 PR rtl-optimization/24460
4307 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4308 (dwarf2out_switch_text_section): Set it to true instead of
4309 incrementing separate_line_info_table_in_use.
4310 (output_loc_list): Additionally test have_switched_text_sections.
4311 (output_ranges): Likewise.
4312 (dwarf2out_finish): Likewise.
4313 * varasm.c (assemble_start_function): Do not call
4314 insert_section_boundary_note.
4315 (assemble_end_function): If flag_reorder_blocks_and_partition,
4316 switch to the function's section before emitting the .size directive.
4317 * bb-reorder.c (insert_section_boundary_note): Staticify.
4318 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4319 * output.h (insert_section_boundary_note): Delete.
4321 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4324 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4325 instead of pointer equality when comparing types.
4327 2005-10-24 James E. Wilson <wilson@specifix.com>
4329 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4330 add_dependence_list_and_free calls.
4332 2005-10-24 Steven Bosscher <stevenb@suse.de>
4334 * contrib.texi: Add the names of the LLNL folks who donated
4335 Cray pointer support for gfortran.
4337 2005-10-24 Steven Bosscher <stevenb@suse.de>
4339 PR tree-optimization/24225
4340 * profile.c (branch_prob): Look from end to start through a
4341 basic block when looking for a locus.
4343 2005-10-24 Richard Henderson <rth@redhat.com>
4345 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4347 (hppa_expand_prologue): Likewise.
4349 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4351 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4352 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4353 * pa.h (NO_PROFILE_COUNTERS): Define.
4354 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4355 (funcdef_nos): New vector to hold label numbers of deferred profile
4357 (output_deferred_profile_counters): New function.
4358 (hppa_profile_hook): Push label number onto funcdef_nos.
4359 (pa_hpux_file_end): Call output_deferred_profile_counters if
4360 NO_DEFERRED_PROFILE_COUNTERS is false.
4362 * pa-protos.h (get_deferred_plabel): New prototype.
4363 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4365 (output_call): Adjust calls.
4367 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4369 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4370 peculiarity of GOT/TOC section usage.
4372 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4375 * c-common.c (constant_string_class_name): Add documentation.
4377 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4380 * recog.c (peephole2_optimize): Increment peep2_current_count
4381 only when the slot is empty.
4383 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4386 * except.c (output_function_exception_table): Call
4387 assemble_external_libcall if we need a personality function.
4389 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4391 PR rtl-optimization/24460
4392 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4393 set the basic block for barriers.
4395 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4397 * var-tracking.c (vt_initialize): Initialize post.
4399 2005-10-21 Devang Patel <dpatel@apple.com>
4402 * c-common.c (vector_types_convertible_p): Check vector element type.
4404 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4406 * config/sh/sh.c (prepare_move_operands): Handle the address
4407 constant which is a tls symbolic address plus a constant.
4409 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4412 * gcc.c (main): Use the correct counter for erroring out
4413 about mulitple files.
4415 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4418 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4419 use r2 for 64-bit tls .got access.
4421 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4423 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4426 2005-10-20 Steven Bosscher <stevenb@suse.de>
4428 PR tree-optimization/24307
4429 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4431 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
4434 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4436 * varasm.c (find_decl_and_mark_needed): After cgraph global info
4437 is ready, stop marking functions, but still mark variables.
4439 2005-10-20 Richard Guenther <rguenther@suse.de>
4442 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4445 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4447 PR rtl-optimization/23585
4448 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4449 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
4450 (may_trap_p_1): New predicate extracted from...
4451 (may_trap_p): ... here. Invoke may_trap_p_1.
4452 (may_trap_or_fault_p): New predicate.
4453 * rtl.h (may_trap_or_fault_p): Declare it.
4454 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4455 instead of may_trap_p.
4456 (steal_delay_list_from_fallthrough): Likewise.
4457 (fill_simple_delay_slots): Likewise.
4458 (fill_slots_from_thread): Likewise.
4459 * function.c (pad_to_arg_alignment): Rework comment about
4460 SPARC_STACK_BOUNDARY_HACK.
4461 * config/sparc/sparc.h: Likewise.
4463 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
4465 * config/s390/s390.c (s390_expand_insv): New.
4466 * config/s390/s390-protos.h (s390_expand_insv): Declare.
4467 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4468 ("icm_hi"): Remove mode attribute.
4469 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4471 ("*extracthi", "*extractqi"): Remove.
4472 (extv<mode>", "*extzv<mode>"): New.
4473 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4474 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4476 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4478 * cfgexpand.c (discover_nonconstant_array_refs_r,
4479 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4480 (tree_expand_cfg): Call discover_nonconstant_array_refs.
4481 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4482 discover_nonconstant_array_refs.
4484 2005-10-19 Steven Bosscher <stevenb@suse.de>
4487 * c-decl.c (pop_scope): Don't warn about an unused variable
4488 if it is marked with TREE_NO_WARNING.
4489 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4490 somenow mismatch and olddecl is to be replaced.
4492 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
4495 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4496 whether registers live on the edge can be saved/restored.
4498 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
4500 * config/sh/sh.c (fixup_mova): Skip notes.
4502 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4504 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4505 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4506 (s390_can_eliminate): Handle BASE_REGNUM elimination.
4507 (s390_initial_elimination_offset): Likewise.
4508 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4509 register on TARGET_ZARCH targets.
4510 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4511 (INITIAL_FRAME_POINTER_OFFSET): Remove.
4512 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4513 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4515 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4517 * config/s390/s390.md: Comment describing output modifiers updated.
4518 * config/s390/s390.c (print_operand): Likewise.
4520 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4522 * config/s390/s390.c (override_options): Added check for -mstack-size
4524 * doc/invoke.texi: Mention that limit in the documenation.
4526 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
4529 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4531 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
4533 Fix PR tree-optimization/24231
4535 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4536 (compute_avail): Ditto.
4538 2005-10-18 Richard Henderson <rth@redhat.com>
4541 * config/i386/i386.c (legitimate_constant_p): Check
4542 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
4544 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4545 (legitimate_pic_address_disp_p): Reorg CONST checking to make
4546 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
4548 (print_operand_address): Likewise.
4549 * config/i386/predicates.md (x86_64_immediate_operand): Test
4550 SYMBOL_REF_TLS_MODEL properly inside CONST.
4551 (x86_64_zext_immediate_operand): Likewise.
4552 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4553 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4554 * config/i386/i386-protos.h: Remove predicates.md entries.
4556 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
4558 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4559 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4561 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
4562 Ian Lance Taylor <ian@airs.com>
4565 * fold-const.c (fold_widened_comparison): Do not allow range based
4566 constant folding when right operand cannot be unwidened.
4568 2005-10-17 Richard Henderson <rth@redhat.com>
4570 * builtins.c (expand_builtin_synchronize): Build a new-style asm
4571 with a memory clobber.
4573 2005-10-17 James E Wilson <wilson@specifix.com>
4575 PR rtl-optimization/17356
4576 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4577 checking for EDGE_EH.
4579 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
4581 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4582 the slot on an even boundary for any type with 16-byte alignment.
4584 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
4587 * md.texi (Modifiers) <%>: Clarify that % doesn't work
4588 after register allocation.
4590 2005-10-17 DJ Delorie <dj@redhat.com>
4592 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4595 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
4598 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4601 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
4603 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4604 to 2 if it's already non-zero.
4605 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4606 is set and warn about it if flag_schedule_insns is 1.
4608 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
4610 * config/crx/crx.md: Compare-and-branch instructions need to
4613 2005-10-17 Uros Bizjak <uros@kss-loka.si>
4616 * config/i386/i386.md (*pushdi2_rex64 splitter)
4617 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4618 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4619 flow2 pass only when (optimize > 0 && flag_peephole2).
4621 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
4624 * gcc.c (have_c): New static variable.
4626 (process_command): Remove declation of have_c.
4627 Set have_o to 1 when handling -o.
4628 (main): Add a fatel error if there are multiple
4629 files specified and -o and -c/-S is passed witout
4630 -combine or multiple languages.
4632 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
4634 Fix PR tree-optimization/22444
4635 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4636 Assert that we don't hit something with subvars.
4637 (setup_pointers_and_addressables): Don't add things with subvars,
4638 because we'll already process the subvars for aliasing purposes.
4640 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
4643 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4644 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4645 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4646 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4647 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4648 swapped, alternatives for the R constraint.
4651 * builtins.c (get_builtin_sync_mode): Make unlimited
4652 mode_for_size request.
4654 2005-10-15 Richard Henderson <rth@redhat.com>
4656 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4657 (gimplify_expr): ... here.
4658 (gimplify_compound_lval): Use it in initial scan loop. Allow
4659 fb_lvalue in base expression.
4661 2005-10-15 Richard Henderson <rth@redhat.com>
4664 * builtins.c (expand_builtin_trap): Export.
4665 * expr.h (expand_builtin_trap): Declare.
4666 * expr.c (expand_assignment): Emit a trap for integral offsets
4667 from registers that weren't reduced to bitpos.
4669 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4670 (mark_array_ref_addressable): Remove.
4671 * tree-flow.h (mark_array_ref_addressable): Remove.
4672 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4674 2005-10-15 James E Wilson <wilson@specifix.com>
4677 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
4678 (add_dependence_list_and_free): Likewise.
4679 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4682 2005-10-15 Diego Novillo <dnovillo@redhat.com>
4686 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4687 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4689 (vrp_visit_phi_node): Only prevent infinite iterations when
4690 the previous result and the new result are both VR_RANGEs.
4692 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
4694 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4697 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4700 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4703 2005-10-14 Per Bothner <per@bothner.com>
4705 PR preprocessor/21250
4706 * c-ppoutput.c (print_line): Print internal line 0 as 1.
4708 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
4711 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4712 overflow flags. Refactor some conditionals.
4714 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
4717 * tree-dfa.c (add_referenced_var): Only look at decls which
4718 have TREE_CONSTANT or TREE_READONLY set instead of if
4719 !TREE_PUBLIC or !TREE_CONSTANT.
4721 2005-10-13 James E Wilson <wilson@specifix.com>
4723 * doc/invoke.texi: For -x, add f95-cpp-input.
4724 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4726 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
4728 PR tree-optimization/24262
4729 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4730 in loop all the time.
4732 2005-10-12 Richard Henderson <rth@redhat.com>
4735 * tree.h (DECL_TRANSPARENT_UNION): Remove.
4736 * function.c (assign_parm_find_data_types): Don't support it.
4737 * print-tree.c (print_node): Likewise.
4738 * c-common.c (handle_transparent_union_attribute): Likewise.
4739 Use build_duplicate_type.
4740 * tree-inline.c (remap_type_1): Split out of remap_type;
4741 properly remap aggregate fields.
4742 (build_duplicate_type): New.
4743 * doc/extend.texi (Variable Attributes): Remove documentation
4744 for transparent_union.
4746 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4749 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4750 (gen_stack_pointer_dec): Likewise.
4752 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
4756 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4758 (struct cxx): Add adjust_class_at_definition target hook.
4759 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4760 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4761 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4762 hook_void_tree. Add to TARGET_CXX.
4763 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4765 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4766 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4767 instead of attribute. Check for dllexport override. Warn if
4768 inconsistent dll linkage. Don't lose old dllimport if decl has
4769 had address referenced. Tweak lookup of dllimport atribute.
4770 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4771 for target specific rules. Don't add dllimport attribute if
4772 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
4773 dllimport attribute.
4774 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4775 * varasm.c (initializer_constant_valid_p): Replace
4776 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4780 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4781 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4782 (i[34567]86-*-mingw32*): Likewise.
4784 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4785 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4787 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4788 C++-specific code. Change return value to bool.
4789 (i386_pe_dllimport_p): Likewise.
4790 (associated_type): Simplify and make language-independent
4791 (i386_pe_encode_section_info): Replace override of ambiguous
4792 dllimport symbol refs with a gcc_assert.
4793 (i386_pe_valid_dllimport_attribute_p): Define.
4794 * config/i386/winnt-cxx.c: New file. Define C++ versions of
4795 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4796 i386_pe_adjust_class_at_definition.
4797 * config/i386/winnt-stubs.c: New file. Define stub versions of
4798 lang-specific functions.
4799 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4800 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4801 i386_pe_adjust_class_at_definition.
4802 (i386_pe_valid_dllimport_attribute_p): Declare.
4803 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4804 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4805 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4808 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4809 dllimport attribute with test of DECL_DLLIMPORT_P.
4811 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
4813 * combine.c (make_extraction): Correct offset computation.
4815 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
4817 * config/cris/t-linux (LIMITS_H_TEST): Define.
4819 2005-10-12 Richard Henderson <rth@redhat.com>
4822 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4824 2005-10-12 Richard Guenther <rguenther@suse.de>
4826 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4828 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
4831 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4832 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4835 2005-10-12 Richard Guenther <rguenther@suse.de>
4838 * varasm.c (output_constant): Correct typo from previous
4841 2005-10-11 Ian Lance Taylor <ian@airs.com>
4843 PR rtl-optimization/13931
4844 * combine.c: Revert patch of 2003-05-14, and:
4845 (try_combine): Only set elim_i1 and elim_i2 if the destination is
4846 completely killed in the appropriate insn.
4847 (distribute_notes): Don't skip multiple hard register test for
4848 elim_i1 and elim_i2.
4850 2005-10-11 Richard Henderson <rth@redhat.com>
4853 * c-typeck.c (convert_for_assignment): Use build_constructor_single
4854 to initialize a transparent union instead of a nop_expr.
4856 2005-10-11 Richard Henderson <rth@redhat.com>
4858 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4859 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4860 (tree_ssa_dce_loop): Call scev_reset.
4863 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4864 * tree-ssa-dce.c: Include cfgloop.h.
4865 (tree_ssa_dce_loop, pass_dce_loop): New.
4866 * tree-pass.h (pass_dce_loop): Declare it.
4867 * passes.c (init_optimization_passes): Use it.
4869 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4872 * convert.c (convert_to_real): Revert 2005-10-05 patch.
4873 Only apply the optimization for rounding builtins if the inner
4874 cast is also an extension.
4876 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
4879 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4880 mark_new_vars_to_rename instead of update_stmt.
4882 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
4884 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4886 2005-10-11 Jakub Jelinek <jakub@redhat.com>
4888 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4889 for setting MMX register to 0 rather than mmx.
4891 2005-10-10 Steve Ellcey <sje@cup.hp.com>
4894 * configure.ac: Move gas check from mips specific case to common case.
4895 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4896 * configure: Regenerate
4897 * doc/install.texi: Update.
4899 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4902 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4904 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
4906 * gcc.c (do_spec_1): Accept numeric characters in file name
4909 2005-10-10 Nick Clifton <nickc@redhat.com>
4911 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
4912 describing the deleted arm_gen_rotated_half_load function.
4914 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
4916 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4919 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
4921 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4923 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4924 (EXTRA_MULTILIB_PARTS): Define.
4925 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4926 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4927 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4928 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4929 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4930 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4932 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
4934 PR tree-optimization/24226
4935 * tree-cfg.c (remove_bb): Clean up unreachable loops.
4936 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4937 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4940 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4942 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4944 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
4947 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4948 Rewrite for no need for the early clobber.
4950 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4952 Merge from csl-arm-branch:
4953 2005-09-07 Paul Brook <paul@codesourcery.com>
4954 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4957 2005-04-30 Paul Brook <paul@codesourcery.com>
4958 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4959 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4961 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
4962 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4963 (arm_override_options): Use TARGET_AAPCS_BASED.
4964 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4965 (PTRDIFF_TYPE): Use int for AAPCS.
4966 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4967 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4968 (DEFAULT_SHORT_ENUMS): Delete.
4969 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4971 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
4972 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4973 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4974 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4976 2004-12-03 Mark Mitchell <mark@codesourcery.com>
4977 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4979 2004-11-22 Mark Mitchell <mark@codesourcery.com>
4980 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4982 2004-11-19 Mark Mitchell <mark@codesourcery.com>
4983 * config.gcc (arm*-*-linux-gnueabi): Add it.
4984 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4986 (TARGET_OS_CPP_BUILTINS): Likeiwse.
4987 * config/arm/linux-eabi.h: New file.
4988 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4989 (LINUX_TARET_LINK_SPEC): Likewise.
4990 (LINK_SPEC): Use it.
4991 * config/arm/t-linux-eabi: New file.
4993 2005-10-08 Steven Bosscher <stevenb@suse.de>
4996 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4998 (PARAM_SMS_DFA_HISTORY): Likewise.
5000 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
5003 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5004 (load_register_parameters): Call it.
5005 (check_sibcall_argument_overlap_1): Likewise.
5006 (store_one_arg): Likewise.
5008 2005-10-07 James E. Wilson <wilson@specifix.com>
5010 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5011 DImode not VECINT24 for operand 2.
5014 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5018 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5019 fr_spill): Use destination_operand for operand 0.
5021 2005-10-07 DJ Delorie <dj@redhat.com>
5023 * varasm.c (output_constant): Limit error to expanding
5026 2005-10-07 Richard Guenther <rguenther@suse.de>
5029 * fold-const.c (fold_binary): Fix operand types during folding
5030 of X op (A, Y). Evaluation order of the side-effects of
5031 X and A are frontend-defined, so ensure we honour that even for
5032 tcc_comparison class operands; eased by removing duplicate code.
5034 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5036 * stor-layout.c (layout_type): Do not allow alignment of array
5037 elements to be greater than their size.
5039 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5041 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5043 (hppa*-*-linux*): Ditto.
5044 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5045 * config/host-hpux.c: New.
5046 * config/x-hpux: New.
5047 * config/pa/x-hpux: Remove.
5048 * config/pa/x-linux: Remove.
5049 * config/pa/pa-host.c: Remove.
5051 2005-10-07 Jeff Law <law@redhat.com>
5053 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5054 determine whether or not to try and thread outgoing edges.
5056 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5058 * config/rs6000/rs6000.md (eqsi_power): New.
5059 (neg_eq0si): Add TARGET_POWER to final condition.
5062 2005-10-06 Richard Henderson <rth@redhat.com>
5064 * config/rs6000/rs6000.c: Revert last change.
5066 2005-10-06 Richard Henderson <rth@redhat.com>
5068 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5069 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5071 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5075 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5076 out return_label and naked_return_label.
5078 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5080 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5083 2005-10-06 Richard Henderson <rth@redhat.com>
5086 * tree-inline.c (declare_return_variable): Handle modify_dest not
5089 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5091 Fix PR tree-optimization/22488
5092 * tree-ssa-structalias.c (check_for_overlaps): New function.
5093 (create_variable_info_for): Use it.
5095 2005-10-06 Richard Henderson <rth@redhat.com>
5098 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5099 (dwarf2out_start_source_file): Print it.
5101 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5103 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5105 2005-10-06 Richard Henderson <rth@redhat.com>
5108 * mode-switching.c (optimize_mode_switching): Clear transp bit
5109 for block with incomming abnormal edges.
5111 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5112 (fpscr_set_from_mem): Use them.
5113 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5114 (fpscr postinc splitters): Rewrite as peephole2+split.
5116 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5118 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5119 (eq<mode>_compare): Same.
5121 2005-10-06 Richard Guenther <rguenther@suse.de>
5123 PR tree-optimization/24238
5124 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5126 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5128 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5129 here. Use AC_PATH_PROG for environment variables instead of
5131 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5133 * configure: Regenerated.
5135 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5138 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5139 then force it into a register.
5140 (call_value): Likewise.
5142 2005-10-06 Richard Henderson <rth@redhat.com>
5145 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5146 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5147 under pass_vectorize.
5149 2005-10-05 Devang Patel <dpatel@apple.com>
5152 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5153 handling constants. Check NAMESPACE_DECL context for constants.
5155 2005-10-05 Eric Christopher <echristo@apple.com>
5157 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5159 2005-10-05 Richard Henderson <rth@redhat.com>
5162 * tree-cfg.c (mark_array_ref_addressable_1): New.
5163 (mark_array_ref_addressable): New.
5164 * tree-flow.h (mark_array_ref_addressable): Declare.
5165 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5167 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5171 * reload.c (subst_reloads): When adding a REG_LABEL to a
5172 jump instruction, also update JUMP_LABEL.
5174 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5176 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5177 * bb-reorder.c (copy_bb_p): Use it.
5178 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5180 2005-10-05 Richard Henderson <rth@redhat.com>
5183 * toplev.c (process_options): Warn about unsupported combinations
5184 of unwind tables and omit-frame-pointer.
5185 * config/i386/i386.c (override_options): Similarly. Enable
5186 accumulate-outgoing-args if not explicitly disabled.
5188 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5190 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5191 Handle big endian vs. small endian.
5192 (vec_initv2sf): Handle big endian vs. small endian.
5193 (*vec_extractv2sf_1): Ditto.
5195 2005-10-05 Dale Johannesen <dalej@apple.com>
5197 * convert.c (convert_to_real): Don't convert
5198 (float)floor(double d) to floorf((float)d).
5200 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5202 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5204 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5206 PR tree-optimization/18587
5207 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5208 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5209 build_vuses): Change to VEC type.
5210 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5211 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5212 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5213 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5214 (get_name_decl): New. Return DECL_UID of base variable.
5215 (operand_build_cmp): New. qsort comparison routine.
5216 (operand_build_sort_virtual): New. Sort virtual build vector.
5217 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5218 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5219 (FINALIZE_BASE): Use get_name_decl.
5220 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5221 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5222 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5223 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5224 direct VEC_* manipulations.
5225 (build_ssa_operands): Call operand_build_sort_virtual.
5226 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5227 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5228 with direct VEC_* manipulations.
5229 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5230 with direct VEC manipulations.
5232 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5234 PR tree-optimization/21419
5235 PR tree-optimization/24146
5236 PR tree-optimization/24151
5238 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5239 (build_asm_expr): Call it if outputs are read-only.
5240 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5242 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5243 Paolo Bonzini <bonzini@gnu.org>
5247 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5248 enable the instructions and not just the built-ins.
5249 * doc/invoke.texi (x86 Options): Likewise.
5251 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5253 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5255 * doc/invoke.texi (Option Summary): Correct spelling
5256 of -mmacosx-version-min.
5258 2005-10-04 Devang Patel <dpatel@apple.com>
5260 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5263 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5265 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5266 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5268 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5270 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5271 ("TE","tg"): New mode attributes.
5272 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5273 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5274 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5275 dword_mode and one for GPRmode.
5277 2005-10-04 Ian Lance Taylor <ian@airs.com>
5279 PR preprocessor/13726
5280 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5281 any comments passed in.
5283 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5285 * tree.c (annotate_with_file_line): Fix typo.
5287 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5290 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5291 type used to access data in the inlined length == 1 case, use
5292 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5293 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5295 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5297 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5298 TARGET_SSE3 and only for TARGET_80387.
5299 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5300 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5301 Do not depend on TARGET_80387.
5303 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5305 * tree.c (last_annotated_node): Change type to location_t*.
5306 (annotate_with_file_line): Reflect the change of
5307 last_annotated_node type.
5309 2005-10-04 Richard Guenther <rguenther@suse.de>
5312 * c-decl.c (grokdeclarator): Don't write to fields
5315 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5318 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5320 * varasm.c (make_decl_rtl): If a register variable does not
5321 have a set user assmbler name, error out.
5322 Decode the asmspec is now name+1 bypassing '*'.
5324 2005-10-04 Steven Bosscher <stevenb@suse.de>
5326 PR tree-optimization/23049
5327 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5328 of a COND_EXPR is folded before calling fold on the whole rhs of a
5329 conditional assignment.
5330 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5331 document that a COND_EXPR may appear there.
5333 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5336 * tree-vrp.c (extract_range_from_assert): If the new numeric
5337 range created out of the assertion contradicts the existing
5338 numeric range of the ASSERT_EXPR variable, make the new range
5341 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5343 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5344 from T_REGS to FP register class.
5346 2005-10-03 Richard Henderson <rth@redhat.com>
5349 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5350 before creating a new one.
5352 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5354 * config/rs6000/t-aix43 (LDFLAGS): New.
5355 * config/rs6000/t-aix52 (LDFLAGS): New.
5357 2005-10-03 Ian Lance Taylor <ian@airs.com>
5359 * gimplify.c (find_single_pointer_decl_1): New static function.
5360 (find_single_pointer_decl): New static function.
5361 (internal_get_tmp_var): For a formal variable, set restrict base
5362 information if appropriate.
5363 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5365 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5366 (DECL_GET_RESTRICT_BASE): Define.
5367 (SET_DECL_RESTRICT_BASE): Define.
5368 (decl_restrict_base_lookup): Declare.
5369 (decl_restrict_base_insert): Declare.
5370 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5371 * tree.c (restrict_base_for_decl): New static variable.
5372 (init_ttree): Initialize restrict_base_for_decl.
5373 (copy_node_stat): Copy restrict base information.
5374 (decl_restrict_base_lookup): New function.
5375 (decl_restrict_base_insert): New function.
5376 (print_restrict_base_statistics): New static function.
5377 (dump_tree_statistics): Call print_restrict_base_statistics.
5379 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5382 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5383 case of anti-ranges.
5385 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5388 * c-typeck.c (tagged_tu_seen): Rename to ...
5389 (tagged_tu_seen_cache): this and add val field.
5390 (comptypes): Move functional to comptypes_internal
5391 and free tagged_tu_seen.
5392 (comptypes_internal): New function and call comptypes_internal
5393 instead of comptypes. Speed up by sibcalling
5394 tagged_types_tu_compatible_p.
5395 (alloc_tagged_tu_seen): New function
5396 (free_all_tagged_tu_seen_up_to): New function.
5397 (tagged_types_tu_compatible_p): Return the val of the seen two
5399 Add that the two types are the same to tagged_tu_seen_base
5400 if they are and call comptypes_internal instead of comptypes.
5401 <case UNION_TYPE>: Speed up common type where the fields are
5403 (function_types_compatible_p): Call comptypes_internal instead of
5405 (type_lists_compatible_p): Likewise.
5406 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5408 2005-10-02 Matthias Klose <doko@debian.org>
5410 * doc/invoke.texi: Fix typo and speling error.
5412 2005-10-01 Richard Henderson <rth@redhat.com>
5414 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5416 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5418 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5419 using --start-group and --end-group.
5421 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5423 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5424 FIXME note regarding quirky semantics.
5426 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5429 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5430 non-null range as a last resort.
5432 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
5433 Diego Novillo <dnovillo@redhat.com>
5436 * tree-vrp.c (extract_range_from_assert): For !=
5437 assertions, only build an anti-range if LIMIT is a
5438 single-valued range.
5440 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
5442 * arm.md (movqi): On thumb when optimizing, handle loading from
5443 memory by describing this as taking a subreg of a zero-extended load
5444 into an SImode register.
5447 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
5449 * reload1.c (merge_assigned_reloads): Do not change any
5450 RELOAD_FOR_OUTPUT_ADDRESS reloads.
5452 2005-09-30 Geoffrey Keating <geoffk@apple.com>
5454 * Makefile.in (LIPO_FOR_TARGET): Define.
5455 (STRIP_FOR_TARGET): Define.
5457 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5458 before creating new ones. Do symlinks before creating the actual
5461 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5462 to work out which multilibs are actually being built.
5464 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
5466 * tree-vect-transform.c, config/ms1/ms1.md,
5467 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5468 Follow spelling conventions.
5469 * doc/invoke.texi, doc/md.texi: Fix typos.
5471 2005-09-30 Andrew Macleod <amacleod@redat.com>
5473 PR tree-optimization/21430
5474 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5475 use operands, and set stmt pointer if need be.
5476 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5477 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5480 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5483 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5485 2005-09-29 Mark Mitchell <mark@codesourcery.com>
5487 * optabs.c (expand_binop): Initialize first_pass_p.
5489 2005-09-29 Jakub Jelinek <jakub@redhat.com>
5492 * c-decl.c (c_write_global_declarations_1): If any
5493 wrapup_global_declaration_2 call returned true, restart the loop.
5495 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
5497 Fix PR tree-optimization/24117
5498 * tree-ssa-structalias.c (find_func_aliases): Strip nops
5499 before considering whether to use anyoffset.
5501 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5505 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5507 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5509 (swap_commutative_operands_with_target): New.
5511 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5514 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5517 2005-09-29 Steven Bosscher <stevenb@suse.de>
5519 PR tree-optimization/23911
5520 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5521 and IMAGPART_EXPR too.
5523 2005-09-28 Mark Mitchell <mark@codesourcery.com>
5526 * expmed.c (expand_shift): Move logic to reverse rotation
5527 direction when rotating by constants ...
5528 * optabs.c (expand_binop): ... here.
5529 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5530 (ix86_rotrdi3): New pattern.
5531 (rotldi3): Handle 32-bit mode.
5532 (ix86_rotldi3): New pattern.
5534 2005-09-29 Alan Modra <amodra@bigpond.net.au>
5537 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5538 check for numbers that need no bit twiddle.
5540 2005-09-28 Geoffrey Keating <geoffk@apple.com>
5542 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5543 multilib to be built.
5545 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5546 (stage1-start): Delete old libgcc and libunwind before moving
5547 anything into the stage directory.
5548 (stage2-start): Likewise.
5549 (stage3-start): Likewise.
5550 (stage4-start): Likewise.
5551 (stageprofile-start): Likewise.
5552 (stagefeedback-start): Likewise.
5553 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5554 header in tm_file and CPU-specific t-darwin in tmake_file.
5555 (i[34567]86-*-darwin*): Don't change tm_file.
5556 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5557 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5558 shared library stub for target OS version.
5559 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5560 (SHLIB_LINK): Don't make SHLIB_SOLINK.
5561 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5562 (libgcc_s.%.dylib): New.
5564 (install-darwin-libgcc-stubs): New.
5565 (INSTALL_LIBGCC): New append.
5566 * config/i386/darwin-libgcc.10.4.ver: New.
5567 * config/i386/darwin-libgcc.10.5.ver: New.
5568 * config/i386/t-darwin: New.
5569 * config/rs6000/darwin-libgcc.10.4.ver: New.
5570 * config/rs6000/darwin-libgcc.10.5.ver: New.
5571 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5572 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5574 2005-09-28 Paul Brook <paul@codesourcery.com>
5576 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5579 2005-09-28 Richard Guenther <rguenther@suse.de>
5581 PR tree-optimization/23853
5582 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5583 host_integerp to verify misalignment value.
5585 2005-09-28 Richard Henderson <rth@redhat.com>
5587 * builtins.c (get_builtin_sync_mode): New.
5588 (expand_builtin_sync_operation): Pass in mode argument.
5589 (expand_builtin_compare_and_swap): Likewise.
5590 (expand_builtin_lock_test_and_set): Likewise.
5591 (expand_builtin_lock_release): Likewise.
5592 (expand_builtin): Update to match.
5594 2005-09-28 Nick Clifton <nickc@redhat.com>
5596 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5597 formatting. Add check to PLUS case to ensure that the offset is
5598 within an acceptable range.
5600 * config/v850/v850.md (casesi): Disable the generation of the
5601 switch pattern as it is not being handled properly at the moment.
5603 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5604 for when the high words are identical.
5606 2005-09-27 Richard Henderson <rth@redhat.com>
5608 * pretty-print.c (pp_base_format): Fix typo for %>.
5610 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
5611 Devang Patel <dpatel@apple.com>
5613 PR tree-optimization/23625
5614 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5615 LABEL_EXPR, assertion check.
5617 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
5619 * optabs.c (no_conflict_move_test): Check if a result of a
5620 to-be-moved insn would be clobbered by an originally
5623 2005-09-27 Jeff Law <law@redhat.com>
5625 * passes.c (init_optimization_passes): Replace copy propagation
5626 passes immediately after DOM with phi-only copy propagation
5627 pases. Add phi-only copy propagation pass after first DOM pass.
5628 * tree-pass.h (pass_phi_only_copy_prop): Declare.
5629 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5630 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5631 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
5632 to init_copy_prop. Callers updated.
5633 (do_phi_only_copy_prop): New function.
5634 (pass_phi_only_copy_prop): New pass descriptor.
5636 2005-09-27 Nick Clifton <nickc@redhat.com>
5638 * libgcc2.c (__popcount_tab): Remove redundant prototype.
5640 2005-09-26 Jason Merrill <jason@redhat.com>
5643 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5645 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5647 2005-09-26 James E Wilson <wilson@specifix.com>
5649 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5650 copyright. Add gcc copyright plus libgcc exception.
5651 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
5653 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5655 2005-09-26 Jeff Law <law@redhat.com>
5657 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5658 about when to iterate.
5660 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
5663 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5664 for __complex__ double in -mcpu=G5 mode.
5666 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
5668 PR tree-optimization/23942
5669 * Makefile.in (SCEV_H): Depends on PARAMS_H.
5670 * tree-scalar-evolution.c: Include params.h.
5672 (follow_ssa_edge, follow_ssa_edge_in_rhs,
5673 follow_ssa_edge_in_condition_phi_branch,
5674 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5675 Change return type to t_bool. Use a parameter to limit the size of
5676 trees that are walked before stopping
5677 (analyze_evolution_in_loop): Initialize the limit to 0.
5678 (follow_ssa_edge): Give up by returning t_dont_know if the limit
5679 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5681 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5684 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5685 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5687 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
5689 * combine.c (make_extraction): Check for valid use of subreg.
5691 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5694 * config/i386/i386.md ("*fistdi2_1"): New pattern.
5695 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5696 ("fist<mode>2_with_temp"): Use only register operands.
5698 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
5700 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5701 CALL_INSN_FUNCTION_USAGE.
5703 2005-09-26 Richard Guenther <rguenther@suse.de>
5706 * gcse.c: Include hashtab.h, define ldst entry hashtable.
5707 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5708 (ldst_entry): Use the hashtable instead of list-walking.
5709 (find_rtx_in_ldst): Likewise.
5710 (free_ldst_entry): Free the hashtable.
5711 (compute_ld_motion_mems): Create the hashtable.
5712 (trim_ld_motion_mems): Remove entry from hashtable if
5713 removing it from list.
5714 (compute_store_table): Likewise^2.
5715 (store_motion): Free hashtable in case we did not see
5718 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
5720 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5721 and arg1 if we are passing them to fold_build2.
5723 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
5726 * config/i386/i386.c (ix86_function_regparm): Fix the test for
5729 2005-09-25 Richard Henderson <rth@redhat.com>
5731 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5732 SYMBOL_REF_TLS_MODEL to be correct.
5734 2005-09-24 Richard Henderson <rth@redhat.com>
5736 * ipa-type-escape.c (discover_unique_type): Remove dead code at
5737 end of function. Reindent.
5739 2005-09-24 Ian Lance Taylor <ian@airs.com>
5741 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5742 NEGATE_EXPR/BIT_NOT_EXPR case.
5744 2005-09-24 Richard Henderson <rth@redhat.com>
5746 * c-common.c (handle_mode_attribute): When not modifying in place,
5747 create subtypes for enumerations.
5748 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5749 * gimplify.c (create_tmp_from_val): Likewise.
5751 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
5753 * config/i386/i386.md (*tls_global_dynamic_64,
5754 *tls_local_dynamic_base_64): Add missing mode to call.
5755 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5757 2005-09-24 Jan Hubicka <jh@suse.cz>
5759 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5760 (cgraph_clone_node): Likewise.
5761 * cgraph.h (cgraph_clone_edge): Update prototype.
5762 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5763 duplicated prototypes; add updating argument.
5764 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5765 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5767 (cgraph_mark_inline_edge): Likewise.
5768 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5769 (cgraph_flatten_node): Likewise.
5770 (cgraph_decide_recursive_inlining): Likewise.
5771 (cgraph_decide_inlining_of_small_function): Likewise.
5772 * tree-optimize.c (tree_rest_of_compilation): Likewise.
5774 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5775 Pete Steinmetz <steinmtz@us.ibm.com>
5777 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5778 (rldic.): Set type to "compare".
5780 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
5781 mfjmpr for MFCTR/MFLR.
5782 (movdf_hardfloat64): Same.
5783 (movdf_softfloat64): Same. Correct order of store and move types.
5784 (movti_string): Set type to store_ux/load_ux.
5785 (load_multiple): Set type to load_ux.
5786 (store_multiple): Set type to store_ux.
5787 (movmemsi): Set type to store_ux.
5788 (output_cbranch direct_return): Set type to jmpreg.
5789 (stmw): Set type to store_ux.
5790 (lmw): Set type to load_ux.
5791 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5792 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5793 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5794 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5795 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5796 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5797 (rios1-fpstore): Increase latency to 3.
5798 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5799 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5801 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5802 Andrew Pinski <pinskia@physics.uc.edu>
5804 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5805 operand2 constraint to "b".
5806 (sync_<fetchop_name>di_internal): Same.
5807 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5809 (sync_old_<fetchop_name>di_internal): Same.
5810 (sync_new_<fetchop_name>si_internal): Same.
5811 (sync_new_<fetchop_name>di_internal): Same.
5813 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
5816 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5817 case, define as macros.
5819 PR rtl-optimization/23837
5820 * optabs.c (no_conflict_move_test): Don't set must_stay for a
5821 clobber / clobber match between dest and p->first.
5823 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5824 (no_conflict_move_test): Update comments.
5826 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5828 * doc/install.texi: Update URL for Jacks.
5829 * doc/sourcebuild.texi: Likewise.
5831 2005-09-22 David Edelsohn <edelsohn@gnu.org>
5834 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5835 registers when choosing register preferences.
5836 (movdf_hardfloat64): Same.
5838 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
5840 * expmed.c (expand_shift): Don't use the target of the rotate as
5841 target for the first expanded shift insn.
5842 * testsuite/gcc.dg/20050922-1.c: Testcase added.
5844 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
5846 PR tree-optimization/22438
5847 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5848 preserved iv rhs rewriting specially.
5850 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
5852 * tree-data-ref.c (analyze_array_indexes): Only estimate when
5853 estimate_only is true.
5854 * tree-flow.h (ref_contains_indirect_ref): New prototype.
5855 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5856 tree-ssa-structalias.c
5857 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5858 ref_contains_indirect_ref.
5859 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5861 2005-09-21 DJ Delorie <dj@redhat.com>
5863 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5865 (mn10300_return_in_memory): Support variable size types also.
5866 (mn10300_pass_by_reference): Likewise.
5867 (mn10300_function_value): New.
5868 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5869 (FUNCTION_OUTGOING_VALUE): Likewise.
5870 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5871 * doc/invoke.texi: Document it.
5873 2005-09-21 Uros Bizjak <uros@kss-loka.si>
5876 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5877 force integer op1 into register for XFmode compares.
5879 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5882 * expmed.c (alg_code): Add alg_impossible.
5883 (alg_hash_entry): Add cost.
5884 (synth_mult): Record alg_impossible in the hash table if
5885 multiplication by a given integer is impossble within the
5886 limit. Speed up using alg_impossible.
5888 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5890 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5891 argument. Allow and set any offset if needs_anyoffset is passed
5893 (get_constraint_for): Add argument here too.
5895 (do_structure_copy): Pass NULL to get_constraint_for.
5896 (handle_ptr_arith): Ditto.
5897 (find_func_aliases): Ditto.
5899 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
5901 PR rtl-optimization/23898
5902 * output.h (get_attr_min_length): Declare.
5903 * final.c (get_attr_length_1): New function, broken out of:
5905 (get_attr_min_length): New function.
5906 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5907 (duplicate_computed_gotos): Likewise.
5908 * genattr.c (insn_min_length): Generate declaration.
5909 * genattrtab.c (min_fn, min_attr_value): New functions.
5910 (make_length_attrs): Generate insn_min_length.
5912 2005-09-20 Steve Ellcey <sje@cup.hp.com>
5914 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5916 2005-09-20 Richard Henderson <rth@redhat.com>
5918 PR tree-optimization/24059
5919 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5922 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
5924 * c.opt (fextended-identifiers): New.
5925 * c-opts.c (c_common_handle_option): Handle
5926 -fextended-identifiers.
5927 * doc/cpp.texi: Update documentation of extended identifiers.
5928 * doc/cppopts.texi (-fextended-identifiers): Document.
5930 2005-09-20 Jakub Jelinek <jakub@redhat.com>
5932 PR tree-optimization/23929
5933 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5936 PR tree-optimization/23818
5937 * tree-stdarg.c (execute_optimize_stdarg): Call
5938 calculate_dominance_info.
5940 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5942 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5943 (analyze_siv_subscript_cst_affine): Add weak SIV test.
5944 (compute_overlap_steps_for_affine_1_2): Use
5945 get_number_of_iters_for_loop.
5946 (analyze_subscript_affine_affine): Check whether difference is
5948 Use get_number_of_iters_for_loop.
5949 Check whether overlap occurs outside of bounds.
5950 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5952 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
5954 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5955 base register if possible.
5957 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
5959 PR tree-optimization/18463
5960 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5961 converting it directly is not possible.
5962 (chrec_convert_aggressive): New function.
5963 * tree-chrec.h (chrec_convert_aggressive): Declare.
5964 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5965 Fold chrec conversions aggressively if asked to.
5966 (instantiate_parameters): Modified because of changes in
5967 instantiate_parameters_1.
5969 2005-09-19 Richard Henderson <rth@redhat.com>
5971 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5972 (reduc_splus_v2df): New.
5974 2005-09-19 Richard Sandiford <richard@codesourcery.com>
5976 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5977 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
5979 2005-09-19 Richard Henderson <rth@redhat.com>
5981 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5984 2005-09-19 Richard Henderson <rth@redhat.com>
5986 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5987 (ia64_expand_dot_prod_v8qi): New.
5988 * config/ia64/ia64-protos.h: Update.
5989 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5990 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5991 sdot_prodv8qi, sdot_prodv4hi): New.
5992 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5994 2005-09-19 Richard Henderson <rth@redhat.com>
5997 * real.c (exact_real_truncate): Return false if the format cannot
5998 represent the number as a normal.
6000 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6001 for a memory source.
6003 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
6005 * tree-ssa-operands.c (swap_tree_operands): Export.
6006 * tree.h (swap_tree_operands): Declare.
6007 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6008 Call swap_tree_operands.
6010 2005-09-19 Richard Henderson <rth@redhat.com>
6012 * tree-flow.h (merge_alias_info): Declare.
6013 * tree-ssa-copy.c (merge_alias_info): Export.
6014 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6015 (vect_create_data_ref_ptr): Use create_iv directly.
6016 (vectorizable_load): Use correct types for integer constants.
6017 (vect_generate_tmps_on_preheader): Likewise.
6018 (vect_gen_niters_for_prolog_loop): Likewise.
6020 2005-09-19 Steven Bosscher <stevenb@suse.de>
6022 PR rtl-optimization/23943
6023 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6025 2005-09-18 Jan Hubicka <jh@suse.cz>
6027 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6029 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
6031 * varasm.c (output_constant): Do not abort on conversions to union
6032 types between different sizes.
6034 2005-09-18 Richard Guenther <rguenther@suse.de>
6037 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6040 2005-09-18 Paul Brook <paul@codesourcery.com>
6042 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6044 2005-09-17 Richard Henderson <rth@redhat.com>
6046 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6047 * tree-ssa-loop.c (pass_vect_dce): Remove.
6048 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6051 2005-09-17 Richard Henderson <rth@redhat.com>
6053 * tree-pass.h (pass_vect_dce): Declare.
6054 * passes.c (init_optimization_passes): Add it.
6055 * tree-flow.h (tree_ssa_dce): Declare.
6056 * tree-ssa-dce.c (tree_ssa_dce): Export.
6057 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6058 (gate_tree_vectorize): ... here.
6059 (pass_vect_dce): New.
6061 2005-09-17 Jan Hubicka <jh@suse.cz>
6063 * except.c (struct eh_status): Turn region_array into vec.
6064 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6065 convert_from_eh_region_ranges, find_exception_handler_labels,
6066 current_function_has_exception_handlers, assign_filter_values,
6067 build_post_landing_pads, dw2_build_landing_pads,
6068 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6069 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6070 foreach_reachable_handler, can_throw_internal_1,
6071 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6073 (duplicate_eh_region_1): Update region_array.
6074 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6076 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6079 * expmed.c (expand_mult): Substitute simple register for op0 when
6082 2005-09-17 Richard Henderson <rth@redhat.com>
6084 * expr.c (emit_move_via_integer): Add force argument, pass it on
6085 to emit_move_change_mode. Update callers.
6086 (emit_move_complex): Pass true to new force argument.
6087 * function.c (expand_function_end): Move expand_eh_return call
6088 earlier. Merge sub-word complex values into a pseudo before
6089 copying to the return hard register.
6091 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6093 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6094 between different sizes.
6096 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6100 * passes.c (init_optimization_passes): Register dump files for
6103 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6105 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6106 * config/s390/s390.c (s390_overlap_p): New function.
6107 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6108 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6111 2005-09-16 Richard Guenther <rguenther@suse.de>
6113 * ipa-pure-const.c (static_execute): Free auxiliar information.
6114 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6115 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6117 2005-09-15 DJ Delorie <dj@redhat.com>
6119 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6121 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6123 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6125 (swap_commutative_operands_with_target): New.
6127 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6129 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6132 (estimate_iters_using_array): New function.
6133 * tree-data-ref.h (estimate_iters_using_array): Prototype
6134 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6135 Use estimate_iters_using_array instead of analyze_array.
6137 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6139 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6142 2005-09-15 Michael Matz <matz@suse.de>
6144 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6146 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6148 PR tree-optimization/23835
6149 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6150 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6152 2005-09-14 Richard Henderson <rth@redhat.com>
6154 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6155 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6157 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6159 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6160 in the ARRAY_TYPE case.
6162 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6164 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6166 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6169 * tree-vect-transform.c (vectorizable_operation): Return false for
6170 scalar shift operations and for vector shift operations with
6171 non-invariant shift arguments. Use scalar tree operand op1 as
6172 a shift operand when vector shift insn pattern uses scalar shift
6174 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6176 2005-09-14 Olivier Hainque <hainque@adacore.com>
6178 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6179 value if it has side-effects.
6181 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6184 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6186 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6188 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6189 passed as NAME as if it were label at start of function code.
6191 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6193 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6196 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6198 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6199 as early clobber. Rewrite so the PIC register is not implicitly used.
6201 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6203 * tree.c (annotate_with_file_line): Compare line numbers before
6206 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6209 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6210 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6212 2005-09-13 Ian Lance Taylor <ian@airs.com>
6214 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6215 than a HOST_WIDEST_INT to gen_doloop_begin.
6217 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6219 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6221 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6223 PR tree-optimize/23817
6224 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6226 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6229 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6230 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6231 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6232 (restore_stack_nonlocal): Likewise.
6233 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6235 2005-09-12 Ian Lance Taylor <ian@airs.com>
6238 * c.opt (ffriend-injection): New C++ option.
6239 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6240 (C++ Dialect Options): Document -ffriend-injection.
6242 2005-09-12 Josh Conner <jconner@apple.com>
6245 * ipa-reference.c (static_execute): Don't mark variables in
6246 named sections TREE_READONLY.
6248 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6250 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6253 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6255 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6256 V_MUST_DEF instead of just the first_use_p.
6257 Don't mark the virtual variables for renaming on the statement which
6259 (pass_dse): Remove TODO_update_ssa.
6261 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6264 * stor-layout.c (compute_record_mode): For records with a single
6265 field, actually check the field's mode size against the type size.
6267 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6268 registers for TARGET_SHMEDIA.
6269 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6270 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6271 of GENERAL_REGS and FP_REGS.
6273 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6275 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6277 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6279 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6280 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6281 are omitted. Exclude stack_tie insn too.
6283 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6285 PR rtl-optimization/23098
6286 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6288 * config/rs6000/rs6000.md (movdf splitter): Use
6289 const_double_operand predicate for TARGET_POWERPC64.
6290 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6291 SYMBOL_REF method to ABI_V4.
6293 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6294 replace_equiv_address.
6295 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6296 rs6000_sr_alias_set and MEM_NOTRAP.
6297 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6299 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6301 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6302 handle CALL_EXPR again.
6304 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6306 * arm/predicates.md (alignable_memory_operand): Delete.
6308 2005-09-10 Richard Henderson <rth@redhat.com>
6311 * dbxout.c (dbxout_expand_expr): New.
6312 (dbxout_symbol): Use it.
6314 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6316 * arm.c (arm_gen_rotated_half_load): Delete.
6317 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6318 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6319 (thumb_set_return_address): Likewise.
6320 (thumb_load_double_from_address): Use adjust_address.
6321 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6322 (extendhsisi2_mem, movhi_bytes): Use change_address.
6323 (movhi): Use widen_memory_access.
6324 (reload_out_df): Use replace_equiv_address.
6325 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6327 2005-09-09 Richard Henderson <rth@redhat.com>
6330 * dbxout.c: Include expr.h.
6331 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6332 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6333 * Makefile.in (dbxout.o): Add EXPR_H.
6335 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6337 PR tree-optimization/23509
6338 * tree-cfg.c (replace_uses_by): Use replace_exp.
6339 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6340 pointers have name_mem_tag or type_mem_tag set.
6342 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6344 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6345 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6346 of wrongly accessing operands.
6348 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6350 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6351 * tree-chrec.c: Include tree-scalar-evolution.h.
6352 (chrec_convert): Instantiate the base and step before calling
6353 scev_probably_wraps_p that would fail on parametric evolutions.
6354 Collect all the fails into a single section failed_to_convert,
6355 print a diagnostic, and return chrec_dont_know instead of calling
6357 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6358 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6360 (scev_const_prop): Don't replace the definition of a loop closed ssa
6361 phi node by itself, or by another loop closed ssa phi node.
6362 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6363 that base and step are defined.
6365 2005-09-09 Richard Guenther <rguenther@suse.de>
6368 * fold-const.c (fold_ternary): Check truth_value_p before
6369 calling invert_truthvalue.
6371 2005-09-09 Nick Clifton <nickc@redhat.com>
6373 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6374 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6375 dimension of these arrays.
6376 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6378 * longlong.h: Only provide a prototype for the __clz_tab[] array
6379 if this header has not been included from libgcc2.h.
6380 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6382 Provide prototypes for exported functions.
6383 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6386 2005-09-08 Josh Conner <jconner@apple.com>
6390 * expr.c (expand_expr_addr_expr_1): Don't invoke
6391 expand_simple_binop for EXPAND_INITIALIZER.
6393 2005-09-08 Richard Henderson <rth@redhat.com>
6396 * toplev.c (wrapup_global_declaration_1): Split out ...
6397 (wrapup_global_declaration_2): ... from ...
6398 (wrapup_global_declarations): ... here. Return bool.
6399 (check_global_declaration_1): Split out ...
6400 (check_global_declarations): from here.
6401 (emit_debug_global_declarations): New.
6402 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6403 check_global_declaration_1, emit_debug_global_declarations): Declare.
6404 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6405 of decls. Call wrapup_global_declaration_1,
6406 wrapup_global_declaration_2, check_global_declaration_1 directly.
6407 (c_write_global_declarations_2): New.
6409 (c_write_global_declarations): Call c_write_global_declarations_2.
6410 * langhooks.c (write_global_declarations): Call
6411 emit_debug_global_declarations.
6413 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6414 remove decls that have DECL_RTL_SET_P.
6415 * passes.c (rest_of_decl_compilation): Invoke
6416 cgraph_varpool_finalize_decl for all but functions.
6418 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6420 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6421 the result of a conversion if the new min and max cannot be compared.
6423 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6425 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6426 (override_options): Setting s390_sr_alias_set removed.
6427 (save_fpr, save_gprs): Set alias set to vararg or frame.
6428 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6429 s390_sr_alias_set with get_frame_alias_set ().
6430 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6431 get_varargs_alias_set ().
6433 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6437 * c-parser.c (c_parser_objc_method_definition): If the next
6438 token is not "{", error out and don't start the function.
6440 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6442 * tree-vrp.c (extract_range_from_expr): Move the check for non
6443 nullness after the check for gimple invariant.
6445 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6447 * tree.c (host_integerp, tree_low_cst): Correct function comment.
6449 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6452 * config/m32r.md (movmemsi_internal): Canonicalize order of
6453 operands in PLUS component of template.
6455 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
6457 * reload1.c (fixup_eh_region_note): Remove assertion.
6458 (fixup_abnormal_edges): Reverted removal of call to
6459 find_many_sub_basic_blocks made on 2005-08-31.
6461 2005-09-07 Richard Henderson <rth@redhat.com>
6463 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6464 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6465 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6466 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6467 rearrange for better packing.
6468 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6469 (lookup_cfa_1): Remove inline marker.
6470 (cfa_equal_p): Split out of ...
6471 (def_cfa_1): ... here. Use INVALID_REGNUM.
6472 (build_cfa_loc): Handle !cfa->indirect.
6473 (frame_pointer_cfa_offset): New.
6474 (dbx_reg_number): Assert register elimination performed; do
6475 leaf register remapping.
6476 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6477 (eliminate_reg_to_offset): New.
6478 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
6479 for verifiably local stack frame addresses; re-base to CFA.
6480 (mem_loc_descriptor): Remove can_use_fbreg argument.
6481 (concat_loc_descriptor, loc_descriptor): Likewise.
6482 (containing_function_has_frame_base): Remove.
6483 (rtl_for_decl_location): Don't do register elimination or
6484 leaf register remapping here.
6485 (secname_for_decl): Split out from ..
6486 (add_location_or_const_value_attribute): ... here.
6487 (convert_cfa_to_loc_list): New.
6488 (compute_frame_pointer_to_cfa_displacement): New.
6489 (gen_subprogram_die): Use them.
6490 * tree.h (frame_base_decl): Remove.
6491 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6492 (prologue_stack_adjust): Remove.
6493 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6494 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6495 (set_frame_base_location): Remove.
6496 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6497 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6498 (vt_add_function_parameters): Don't eliminate_regs.
6499 (vt_initialize): Don't create frame_base_decl.
6501 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6503 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6504 version of GNU binutils for 4.x and later.
6506 2005-09-06 Mark Mitchell <mark@codesourcery.com>
6508 * ggc-page.c (ggc_push_context): Remove.
6509 (ggc_pop_context): Likewise.
6510 * ggc.h (ggc_push_context): Remove.
6511 (ggc_pop_context): Likewise.
6513 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6516 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6517 returning from an interrupt handler.
6519 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6522 * config/arc/arc.c (output_shift): Add check for loop count when
6525 2005-09-06 Steven Bosscher <stevenb@suse.de>
6527 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6529 (abs_replacement): Likewise.
6530 (pass_phiopt): Remove TODO_update_ssa.
6532 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6535 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6536 if "return with no value, in function returning non-void" warning
6538 * tree-cfg.c (execute_warn_function_return): Don't look at
6539 RETURN_EXPRs with TREE_NO_WARNING set.
6542 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6543 for internal functions doesn't use registers used by global registers
6544 variables. Use fewer register parameters if there are global register
6547 2005-09-06 Olivier Hainque <hainque@adacore.com>
6548 Eric Botcazou <ebotcazou@adacore.com>
6551 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6552 when we would be extracting outside its bit span (bitpos+bitsize
6553 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6554 Ada unchecked conversions.
6556 2005-09-06 Steven Bosscher <stevenb@suse.de>
6558 * tree-ssa-pre.c (try_look_through_load): New function.
6559 (compute_avail): Use it to try to look through loads for some
6560 more useful expressions.
6562 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6564 * simplify-rtx.c (simplify_binary_operation_1): Correct the
6565 condition for detecting cases like (a&a) and (a^a).
6567 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
6569 * common.opt: Add option ftree-vect-loop-version.
6570 * params.def: Add --param vect-max-version-checks.
6571 * doc/invoke.texi: Document ftree-vect-loop-version and
6572 --param vect-max-version-checks.
6573 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6574 may_misalign_stmts and defines for accessors.
6575 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6576 LOOP_VINFO_MAY_MISALIGN_STMTS.
6577 (destroy_loop_vec_info): VEC_free for
6578 LOOP_VINFO_MAY_MISALIGN_STMTS.
6579 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6580 Update documentation.
6581 (vect_update_misalignment_for_peel): New.
6582 (vect_enhance_data_refs_alignment): Update to choose loop
6583 peeling or loop versioning if appropriate for the (potentially)
6584 unaligned data references in the loop.
6585 (vect_analyze_data_refs_alignment): Remove call to
6586 vect_enhance_data_refs_alignment so the checks can be done
6588 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6589 and move up call to vect_analyze_data_refs_alignment.
6590 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6591 (vect_transform_loop): Add call to loop_version.
6593 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6595 PR rtl-optimization/23098
6596 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6597 * simplify-rtx.c (constant_pool_reference_p): New function.
6598 * rtl.h (constant_pool_reference_p): New prototype.
6599 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6600 constant_pool_reference_p in condition and
6601 avoid_constant_pool_reference in preparation statements.
6603 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
6605 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6606 STRICT_LOW_PART SETs.
6608 2005-09-06 Alan Modra <amodra@bigpond.net.au>
6611 * except.c (sjlj_emit_function_enter): Find the function begin
6612 note even when it's not in first basic block.
6614 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
6616 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
6617 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6618 * aclocal.m4: Regenerate.
6620 2005-09-05 DJ Delorie <dj@redhat.com>
6622 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6625 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
6627 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6628 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6629 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6630 Follow spelling conventions.
6631 * doc/invoke.texi: Follow spelling conventions.
6633 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6635 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6636 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6637 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6639 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6642 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6643 (output_stack_adjust): Use gen_tmp_stack_mem.
6644 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6645 (sh_set_return_address, sh_allocate_initial_value): Likewise.
6646 (sh_get_pr_initial_val): Likewise.
6647 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6648 (sh_initialize_trampoline): Likewise. Also use adjust_address.
6649 * sh.md (divsi_inv_m0): Use gen_const_mem.
6650 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6651 (movdf_i4+1): Use gen_tmp_stack_mem.
6652 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6653 (fpu_switch+2): Likewise.
6654 (movv4sf_i, movv16sf_i): Use adjust_address.
6655 (symGOT_load): Set MEM_NOTRAP_P bit.
6657 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6660 * pa.c (emit_move_sequence): Fix typo in last change.
6662 2005-09-03 Jakub Jelinek <jakub@redhat.com>
6664 PR rtl-optimization/23454
6665 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6668 2005-09-03 Richard Henderson <rth@redhat.com>
6669 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6672 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6675 2005-09-02 Nicolas Pitre <nico@cam.org>
6677 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6678 to bit_count to 32 bits.
6680 2005-08-31 Mark Mitchell <mark@codesourcery.com>
6683 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6684 generating synthetic loads from volatile lvalues.
6686 005-09-02 Nick Clifton <nickc@redhat.com>
6688 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6689 __ctzhi2, __clzhi2): New functions.
6691 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
6694 * tree-nested.c (struct var_map_elt): Mark with GTY.
6695 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
6697 (lookup_field_for_decl): Allocate new element in GC memory.
6698 (lookup_tramp_for_decl): Likewise.
6699 (convert_nl_goto_reference): Likewise
6700 (create_nesting_tree): Allocate info in GC memory. Likewise for
6702 (free_nesting_tree): Free with ggc_free instead of free.
6703 (root): New static variable.
6704 (lower_nested_functions): Remove root as local variable. And zero out
6705 root at the end of the function.
6707 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
6709 PR rtl-optimization/20365
6710 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6711 to short. New member ix.
6712 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6713 (simplify_plus_minus): Initialize ix members before calling qsort.
6715 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
6717 PR tree-optimization/23626
6718 * tree-cfg.c (replace_uses_by): Clean up eh info.
6720 2005-09-01 DJ Delorie <dj@redhat.com>
6722 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6725 2005-09-01 David Edelsohn <edelsohn@gnu.org>
6727 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6728 (rs6000_split_multireg_move): Use replace_equiv_address instead of
6731 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
6733 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
6734 do not issue warning for a variable definition following
6737 2005-09-01 Richard Henderson <rth@redhat.com>
6740 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6741 conversion to CONST_VECTOR.
6743 2005-09-01 Richard Henderson <rth@redhat.com>
6746 * reload1.c (reload_as_needed): Check !CALL_P before calling
6747 fixup_eh_region_note.
6748 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6750 2005-09-01 DJ Delorie <dj@redhat.com>
6752 * varasm.c (output_constant): Let the target resolve
6753 conversions of addresses to non-default pointer sizes.
6755 2005-09-01 Nicolas Pitre <nico@cam.org>
6757 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6758 to alow matching ARM pre-indexed addressing mode.
6759 (arm_override_options): Remove now irrelevant comment.
6761 2005-09-01 Phil Edwards <phil@codesourcery.com>
6763 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
6764 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
6765 * config/i386/vxworks.h: Likewise.
6766 * config/i386/t-vxworksae: New file, for VxWorks AE.
6767 * config/i386/vxworksae.h: Likewise.
6769 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
6771 PR tree-optimization/23410
6772 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6773 sequence is not wrapping during the first step.
6775 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6778 * dwarf2out.c (base_type_die): Compare char_type_node with
6779 TYPE_MAIN_VARIANT (type), not type.
6781 2005-09-01 Richard Guenther <rguenther@suse.de>
6783 PR tree-optimization/15366
6784 * common.opt: Add -finline-functions-called-once.
6785 Put -fearly-inlining in alphabetically ordered place.
6786 * doc/invoke.texi: Document new option.
6787 * ipa-inline.c (cgraph_decide_inlining): Honour
6788 flag_inline_functions_called_once.
6790 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6792 PR rtl-optimization/23478
6793 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6794 (alloc_qty): Initialize it.
6795 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6796 (combine_regs): Combine also n_throwing_calls_crossed fields.
6797 (find_free_reg): Don't attempt to caller-save pseudos crossing
6798 calls that might throw.
6799 * global.c (struct allocno): Add throwing_calls_crossed field.
6800 (global_alloc): Revert 2005-08-22 change. Initialize
6801 throwing_calls_crossed.
6802 (find_reg): Don't attempt to caller-save pseudos crossing calls that
6805 2005-09-01 Alan Modra <amodra@bigpond.net.au>
6808 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6809 (mask64_operand): Reinstate code prior to 2005-06-11 change.
6810 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6811 (and64_2_operand): Tweak to use predicate.
6812 (and_operand): Adjust for mask_operand changes.
6813 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6814 (print_operand): Likewise.
6815 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6816 (mask64_1or2_operand): Delete.
6817 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6818 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6819 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6820 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6821 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6822 (rotldi3_internal4): Likewise.
6823 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6824 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6825 (ashldi3_internal7): Likewise.
6826 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6827 (ashldi3_internal, ashldi3_internal9 split): Likewise.
6828 (anddi3 split): Don't match mask64_operand.
6829 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
6830 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
6831 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
6832 't' splitter predicate.
6833 (movdi_internal64 + 2): Revert 2005-06-11 change.
6835 2005-08-31 DJ Delorie <dj@redhat.com>
6837 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6838 (m32c_asm_integer): Add support for 32 bit pointers.
6840 2005-08-31 Richard Henderson <rth@redhat.com>
6842 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6843 component-like references for setting MEM_NOTRAP_P.
6845 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6846 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6848 2005-08-31 Richard Henderson <rth@redhat.com>
6850 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6851 into a pseudo before applying gen_lowpart.
6853 2005-08-31 Geoffrey Keating <geoffk@apple.com>
6855 * doc/install.texi (Specific): Update cctools version required
6856 for full functionality.
6857 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6858 linkers as -macosx_version_min.
6860 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
6863 * sh.c (print_operand, %R and %S): Add handling of floating point
6864 registers, memory, constants and invalid operands.
6866 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
6868 * ipa-pure-const.c: Change dump name.
6870 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6873 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6874 to "reg_or_0_operand".
6875 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6877 2005-08-31 Dale Johannesen <dalej@apple.com>
6879 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
6880 loops that count down.
6882 2005-08-31 Richard Henderson <rth@redhat.com>
6885 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6886 (fixup_eh_region_note): New.
6887 (reload_as_needed): Call it.
6888 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6889 don't call find_many_sub_basic_blocks; call verify_flow_info.
6890 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6891 (keep_stack_depressed): Likewise.
6892 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6894 2005-08-31 Richard Henderson <rth@redhat.com>
6896 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6899 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
6901 * expr.c (expand_expr_real_1): Compare size of address
6902 mode to target's address mode size in deciding expansion of
6903 the constant address.
6905 2005-08-31 Richard Guenther <rguenther@suse.de>
6908 * expr.c (all_zeros_p): New function.
6909 (expand_expr_real_1): Handle the case of an all-zero
6910 non-addressable constructor separately.
6912 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
6914 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6915 arguments, adjust all callers.
6916 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6918 2005-08-30 Richard Henderson <rth@redhat.com>
6921 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6922 whenever the mode sizes match.
6924 2005-08-31 Alan Modra <amodra@bigpond.net.au>
6926 * calls.c (load_register_parameters): Fix comment typo.
6927 * expr.c (emit_push_insn): Comment formatting.
6929 2005-08-30 Ian Lance Taylor <ian@airs.com>
6931 * config/i386/x-cygwin (host-cygwin): Change dependency from
6932 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6934 2005-08-29 Geoffrey Keating <geoffk@apple.com>
6936 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6939 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6942 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6943 call to ggc_collect.
6945 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
6948 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6949 beginning. Remove $(INCLUDES) from all the rules, if following
6950 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6952 2005-08-29 Jakub Jelinek <jakub@redhat.com>
6955 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6956 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6957 not constant, but maxlen is, don't set len to maxlen, rather
6958 set maxlen to len if len is a constant.
6960 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
6962 PR tree-optimization/23475
6963 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6966 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
6968 Fix PR middle-end/22455
6970 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6971 Checksum only the parts of the tree that exist for the tree code.
6973 2005-08-28 Dale Johannesen <dalej@apple.com>
6975 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
6977 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
6979 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6981 2005-08-28 Richard Henderson <rth@redhat.com>
6983 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6984 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6987 2005-08-28 Jakub Jelinek <jakub@redhat.com>
6990 * builtins.c (get_memory_rtx): Don't strip nops
6991 in between COMPONENT_REFs.
6993 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
6996 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6998 (gimplify_modify_expr): Check for zero sized types and gimplify the
6999 rhs and lhs as statements.
7001 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
7004 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7005 state for return address column of signal frames.
7007 2005-08-27 David Edelsohn <edelsohn@gnu.org>
7010 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7011 bytes >= 2 not bytes == 2.
7012 (expand_block_move): Same.
7014 2005-08-27 Richard Guenther <rguenther@suse.de>
7017 * config/i386/sse.md (sse2_movsd): Add missing closing
7020 2005-08-27 Paul Brook <paul@codesourcery.com>
7022 * genrecog.c (enum decision_type): Add DT_num_insns.
7023 (struct decision_test): Add u.num_insns.
7024 (add_to_sequence): Add DT_num_insns test.
7025 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7026 (write_cond, debug_decision_2): Ditto.
7027 (change_state): Assume peep2_next_insn never fails.
7028 Remove "afterward" argument.
7029 (write afterward, write_tree): Update to match.
7030 * recog.c (peep2_current_count): New variable.
7031 (peep2_next_insn): Check it.
7032 (peephole2_optimize): Set peep2_current_count.
7033 * recog.h (peep2_current_count): Declare.
7035 2005-08-26 Josh Conner <jconner@apple.com>
7038 * ipa-pure-const.c (check_tree): Check for volatile-ness
7039 when considering a dereference.
7041 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7043 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7045 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7047 PR rtl-optimization/23561
7048 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7049 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7050 at most LEN bytes long memory fits into the field.
7051 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7052 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7053 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7055 2005-08-26 Richard Henderson <rth@redhat.com>
7058 * loop.c (biased_biv_may_wrap_p): New.
7059 (maybe_eliminate_biv_1): Use it to suppress non-equality
7060 comparison transformations. Delete disabled code.
7062 2005-08-26 Ian Lance Taylor <ian@airs.com>
7064 * combine.c (make_extraction): Avoid reference outside object.
7066 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7068 * stor-layout.c (finalize_type_size): Restore behaviour for
7069 non-aggregate types to the status quo ante of the patch for
7070 pr 23467. Document why it matters.
7072 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7075 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7076 array by one element, initialize the BT_LAST element with NULL.
7078 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7080 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7081 optimizing for size.
7083 (compare_plus_eqsi): Same.
7084 (plus_eqsi_compare): Same.
7085 (neg_eq0<mode>): Same.
7086 (neg_eq<mode>): Same.
7088 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7091 2005-08-26 Nick Clifton <nickc@redhat.com>
7093 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7094 TARGET_EP is not defined.
7095 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7096 TARGET_EP is enabled.
7097 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7098 * config/v850/v850.md (save_all_interrupt): Only use the EP
7099 register if TARGET_EP is defined.
7100 (restore_all_interrupt): Likewise.
7101 * config/v850/lib1funcs.asm: Update functions so that the EP
7102 register is only used if __EP__ is defined.
7104 2005-08-26 David Ung <davidu@mips.com>
7106 * config/mips/mips.c (mips_expand_prologue): Handle case when
7107 generating for MIPS16 and the outgoing argument area is more than
7108 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7111 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7113 * config/crx/crx.md: Make doloop_end pattern usage controllable
7114 via mloop-nesting=<max-nesting> command line switch. Make sure
7115 the combiner cannot use doloop_end_<mode> in an illegal way.
7116 * config/crx/crx.c: Use regs up to r6 for argument passing.
7117 Refine crx_address_cost (non cst4 displacements are expensive).
7118 * config/crx/crx.opt: Add switch for mloop-nesting=.
7120 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7122 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7123 (UNSPEC_MVST): New constant.
7125 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7127 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7128 Reject operands containing eliminable registers.
7129 * testsuite/gcc.dg/20050825-1.c: New testcase.
7131 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7132 Jan Hubicka <jh@suse.cz>
7134 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7136 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7138 PR tree-optimization/23546
7139 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7142 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7144 * params.def (PARAM_MIN_SPEC_PROB): New.
7145 * sched-rgn.c (MIN_PROBABILITY): Delete.
7146 (compute_trg_info): Convert to PARAM_VALUE.
7147 * doc/invoke.texi (param): Document min-spec-prob.
7149 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7151 * config/darwin.h: define __PIC__
7152 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7153 TARGET_OS_CPP_BUILTINS macro.
7155 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7157 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7160 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7162 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7164 * cfghooks.c (duplicate_block): Added position where to place
7165 new block as argument.
7166 * cfghooks.h (duplicate_block): Declaration changed.
7167 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7169 * cfglayout.h (copy_bbs): Declaration changed.
7170 * cfgloop.h (loop_version): Declaration changed.
7171 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7172 position to copy_bbs.
7173 (loop_version): Pass position to duplicate_loop_to_header_edge.
7174 Add place_after argument and position new blocks according to
7176 * modulo-sched.c (sms_schedule): Pass place_after argument
7178 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7179 * tree-cfg.c (split_edge_bb_loc): New function.
7180 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7181 to determine position of new blocks.
7182 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7184 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7185 argument to duplicate_block.
7186 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7187 Pass position to copy_bbs.
7189 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7191 * fold-const.c (ptr_difference_const): Use
7192 cst_and_fits_in_hwi instead of host_integerp.
7194 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7196 * config/darwin.c (gen_pic_offset): New.
7197 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7200 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7202 PR tree-optimization/23486
7203 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7205 2005-08-23 Phil Edwards <phil@codesourcery.com>
7207 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7208 remove use_collect2.
7209 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7211 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7212 configuration files to override the default value.
7214 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7215 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7216 * config/vx-common.h: New file, split out from...
7217 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7218 * config/vxworksae.h: New file, for VxWorks AE.
7219 * config/vxworks.opt: New file.
7220 * config/vxlib.c: Update for VxWorks 6.
7222 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7223 other MULTILIB_* variables appropriately.
7224 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7225 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7226 * config/rs6000/vxworks.h: Update for VxWorks 6.
7227 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7229 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7232 * config/darwin.c (machopic_select_section): Remove the hack to
7233 mark "::operator new" and "::operator delete" for coalescing
7234 even though they are not weak.
7236 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7238 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7239 * configure: Regenerate.
7241 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7244 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7246 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7247 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7250 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7252 * config/rs6000/predicates.md (equality_operator): New.
7253 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7254 comparison with a large constant.
7256 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7258 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7260 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7262 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7263 registers is even, and we have a hardware double precision fp,
7265 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7266 size of current argument when checking if argument was passed in
7269 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7272 * stor-layout.c (finalize_type_size): Dont override
7273 existing alignment with a smaller alignment from the mode.
7275 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7277 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7278 * lambda.h (lambda_vector_lexico_pos): ... here.
7279 * tree-data-ref.c (build_classic_dist_vector): Return false when
7280 the distance vector is lexicographically negative.
7282 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7284 PR tree-optimization/23511
7285 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7286 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7288 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7290 PR tree-optimization/22043
7291 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7292 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7293 If ALLOW_FLEXARR, handle types ending with flexible array member.
7294 Pass false as second argument to recursive count_type_elements calls.
7295 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7296 argument to count_type_elements call.
7297 * tree-sra.c (decide_block_copy): Likewise.
7298 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7299 for a constant-sized object, set cleared as well. Pass true as
7300 second argument to count_type_elements call.
7302 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7305 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7306 from legitimate_small_data_p, and make global. Update use.
7307 Remove forward declaration.
7308 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7310 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7312 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7314 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7315 of scratch intermediates.
7316 (eq<mode>_compare): Same.
7317 (neg_eq0<mode>): New.
7318 (neg_eq<mode>): Convert to define_insn_and_split.
7320 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7323 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7324 stdarg functions, set/clear the fp marker even when no variable
7326 * config/rs6000/sysv4.opt (mprototype): Describe.
7328 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7330 PR rtl-optimization/23478
7331 * regs.h (reg_info): Add throw_calls_crossed.
7332 (REG_N_THROWING_CALLS_CROSSED): Define.
7333 * flow.c (allocate_reg_life_data): Initialize
7334 REG_N_THROWING_CALLS_CROSSED.
7335 (propagate_one_insn, attempt_auto_inc): Update
7336 REG_N_THROWING_CALLS_CROSSED.
7337 * global.c (global_alloc): Don't allocate pseudos across
7338 calls that may throw.
7340 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7343 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7344 value is inbetween the range if we did not find an exact match.
7346 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7348 * doc/invoke.texi (Option Summary): Add ms1 options.
7349 * doc/extend.texi: Document interrupt handler attribute for ms1.
7350 * doc/md.texi: Document ms1 constraints.
7351 * config.gcc: Add ms1-*-elf.
7352 * config/ms1/ms1.h: New.
7353 * config/ms1/ms1.c: New.
7354 * config/ms1/ms1.md: New.
7355 * config/ms1/ms1-protos.h: New.
7356 * config/ms1/ABI.txt: New.
7357 * config/ms1/crti.asm: New.
7358 * config/ms1/crtn.asm: New.
7359 * config/ms1/lib2extra-funcs.c: New.
7360 * config/ms1/t-ms1: New.
7361 * config/ms1/ms1.opt: New.
7363 2005-08-22 Ira Rosen <irar@il.ibm.com>
7365 * config/rs6000/altivec.md (xorv4sf3): New.
7366 (negv4sf2, neg<mode>2): Likewise.
7368 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7371 * config/ia64/ia64.md (divsi3): Check divide by zero.
7372 (udivsi3): Likewise.
7374 (udivdi3): Likewise.
7376 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7378 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7379 up to elem_bitsize bits, not max_bitsize.
7381 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7383 PR tree-optimization/23433
7384 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7385 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7387 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7389 PR tree-optimization/23434
7390 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7391 the iteration bound is not an INTEGER_CST.
7393 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7395 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7396 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7397 NULL if need_epilog_adjust is false.
7398 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7399 Case 3 always peels first itration, not just for PLUS case, and no need
7400 to use scalar_initial_def here. Create an epilog adjustment only if
7401 scalar_initial_def is not NULL.
7403 (vectorizable_reduction): Remove assert.
7405 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7408 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7409 (__moddi3): Likewise.
7410 (__udivdi3): Likewise.
7411 (__umoddi3): Likewise.
7412 (__divsi3): Likewise.
7413 (__modsi3): Likewise.
7414 (__udivsi3): Likewise.
7415 (__umodsi3): Likewise.
7417 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7419 * tree-pass.h (TDF_GRAPH): Define.
7420 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7421 * passes.c (finish_optimization_passes): Only call
7422 finish_graph_dump_file if TDF_GRAPH is set.
7423 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7424 NULL. Set TDF_GRAPH bit.
7425 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7427 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
7429 * arm.h (arm_stack_offsets): Add locals_base field.
7430 * arm.c (arm_get_frame_offsets): Compute it.
7431 (thumb_compute_initial_elimination offset): Make the Thumb frame
7432 pointer point to the base of the local variables.
7433 (thumb_expand_prologue): Update accordingly.
7434 (thumb_expand_epilogue): Likewise.
7436 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
7437 mode of clobbered scratch to DImode. Handle a case that's known to
7440 2005-08-19 David Edelsohn <edelsohn@gnu.org>
7442 * config/rs6000/rs6000.md (gt0<mode>): Delete.
7443 (gt0<mode>_compare): Delete.
7444 (neg_gt0<mode>): Delete.
7446 2005-08-19 Eric Christopher <echristo@apple.com>
7448 * optabs.h: Change CTI_ to COI_.
7451 2005-08-19 James E Wilson <wilson@specifix.com>
7453 * builtins.c (expand_builtin_return_addr): Set
7454 current_function_accesses_prior_frames when count != 0. Use
7455 frame_pointer_rtx when count == 0.
7456 * function.h (struct function): Add accesses_prior_frames field.
7457 (current_function_accesses_prior_frames): Define.
7458 * reload1.c (init_elim_table): Check
7459 current_function_accesses_prior_frames.
7460 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7462 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7464 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7465 indicator. Return true if the flowgraph changed during
7468 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7471 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7472 conditional expression before testing its value.
7474 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7476 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7478 2005-08-19 Devang Patel <dpatel@apple.com>
7480 PR tree-optimization/23048
7481 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7482 third parameter. Check whether latch is dominated by exit
7484 (if_convertible_loop_p): Supply exit block itself to
7485 if_convertible_bb_p.
7487 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7490 * arm.md (arm_load_pic_register): Change argument to the mask of
7491 saved registers. Call thumb_find_work_register if we need a
7492 scratch register on Thumb.
7493 (arm_expand_prologue): Pass empty register set to
7494 arm_load_pic_register.
7495 (thumb_expand_prologue): Pass live_regs_mask directly to
7496 arm_load_pic_register.
7497 * arm-protos.h (arm_load_pic_register): Update prototype.
7499 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
7501 * sh.c (find_sole_member): New function.
7502 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7503 if the record's alignment is larger than the size of its only member.
7505 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7508 * arm.c (thumb_legitimize_reload_address): New function.
7509 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7510 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7512 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
7514 * config/crx/crx.c: Implement crx_decompose_address. Reject
7515 symbolic displacements since CRX register relative adressing
7516 mode can't handle unsigned 32-bit values as displacements.
7517 * config/crx/crx.h: Simplify definitions, remove redundant
7518 parenthesis and obsolete macros.
7519 * config/crx/crx.opt: Add new switch for debugging addresses.
7520 * config/crx/crx-protos.h: Add new declarations for above.
7522 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
7525 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7528 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7530 * collect2.c (dup2): Delete.
7531 * configure.ac: Don't check for dup2.
7533 * config.in, configure: Regenerate.
7535 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
7537 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7538 record with the type of its only member.
7540 2005-08-18 David Edelsohn <edelsohn@gnu.org>
7542 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7543 define_insn_and_split.
7544 (plus_ltu<mode>_compare): Same.
7545 (gtu<mode>_compare): Same.
7546 (plus_gtu<mode>_compare): Same.
7548 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
7550 PR tree-optimization/22228
7551 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7553 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7554 are recorded in vect_vnames_to_rename for renaming.
7555 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7556 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7557 in vect_vnames_to_rename.
7558 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7559 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7561 2005-08-18 Jan Hubicka <jh@suse.cz>
7564 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7565 info only for local statics, not for member variables.
7567 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7569 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7571 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7573 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7575 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
7578 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7580 2005-08-17 James E Wilson <wilson@specifix.com>
7582 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7585 2005-08-17 David Edelsohn <edelsohn@gnu.org>
7587 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7588 (leu<mode>_compare): Same.
7589 (plus_leu<mode>): Same.
7590 (neg_leu<mode>): Same.
7591 (and_neg_leu<mode): Same.
7592 (ltu<mode>_compare): Same.
7593 (plus_ltu<mode>): Same.
7595 (geu<mode>_compare): Same.
7596 (plus_geu<mode>): Same.
7597 (neg_geu<mode>): Same.
7598 (and_neg_geu<mode>): Same.
7599 (plus_gt<mode>): Same.
7600 (gtu<mode>_compare): Same.
7601 (plus_gtu<mode>): Same.
7603 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
7605 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7606 Move call_table_data to end. Delete spurious .text.
7607 (callt_save_all_interrupt): Fix comment typo.
7609 2005-08-17 James E Wilson <wilson@specifix.com>
7610 Kevin Winchester <winchester@amirix.com>
7613 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7615 2005-08-17 Uros Bizjak <uros@kss-loka.si>
7618 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7619 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7621 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
7623 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7624 record with the type of its only member if the modes don't match.
7626 * varasm.c (decode_reg_name): Skip empty additional register names.
7628 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7630 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7631 lsm_tmp_name_length): New.
7632 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7633 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7635 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7636 Andreas Krebbel <krebbel1@de.ibm.com>
7638 * config.gcc: Added z9-109 switch.
7639 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7640 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7641 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7642 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7643 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7644 for "z9_109" cpu attribute.
7645 * config/s390/s390.c (z9_109_cost): New processor cost structure.
7646 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7647 (s390_handle_arch_option): Added z9-109 switch.
7648 (override_options): Set respective cost function for z9-109.
7649 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7650 (legitimate_reload_constant_p): Accept extended immediates.
7651 (print_operand): Three new output modifiers added: k, m and o.
7652 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7653 (s390_output_mi_thunk): Use extended immediate when possible.
7654 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7655 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7656 (CONSTRAINT_LEN): Added length of O constraint.
7657 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7658 * config/s390/s390.md ("cpu"): New value z9_109 added.
7659 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7660 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7661 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7662 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7663 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7664 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7665 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7666 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7667 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7668 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7669 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7670 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7671 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7672 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7673 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7675 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7676 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7677 insns for TARGET_EXTIMM.
7679 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
7681 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7683 2005-08-17 Nick Clifton <nickc@redhat.com>
7685 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7686 Call default_encode_section_info.
7688 2005-08-17 Steven Bosscher <stevenb@suse.de>
7690 PR tree-optimization/21574
7691 * tree-ssa-ccp.c (likely_value): If the right hand side is a
7692 constant, return CONSTANT.
7693 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7694 (ccp_fold, visit_assignment): Likewise.
7695 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7697 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7699 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7700 fold_buildN instead of buildN then fold_initializer or fold.
7701 (build_unary_op): Likewise.
7702 (build_binary_op): Likewise.
7703 * fold-const.c (fold_initializer): Remove.
7704 (fold_build1_initializer): New function.
7705 (fold_build2_initializer): New function.
7706 (fold_build3_initializer): New function.
7707 * tree.h (fold_initializer): Remove.
7708 (fold_build1_initializer): New function.
7709 (fold_build2_initializer): New function.
7710 (fold_build3_initializer): New function.
7712 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7714 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7715 (try_move_mult_to_index): Call fold_build2 instead of build2.
7716 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7717 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7718 fold_binary_to_constant.
7719 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7721 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7722 check if A == gcd (A, B). Remove TYPE argument.
7723 (analyze_offset) Use fold_build2 instead of fold (build.
7724 (create_data_ref): Likewise.
7725 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7726 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7729 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
7731 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7732 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7734 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
7737 * gimplify.c (zero_sized_type): New function.
7738 (gimplify_modify_expr_rhs): If we have a zero sized type,
7739 replace the statement with an empty statement.
7741 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
7743 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7746 2005-08-16 Ian Lance Taylor <ian@airs.com>
7748 * doc/tm.texi (Label Output): Correct typo.
7750 2005-08-16 Steven Bosscher <stevenb@suse.de>
7753 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7754 force_operand will work later on using have_insn_for.
7756 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7758 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7760 2005-08-16 Ian Lance Taylor <ian@airs.com>
7763 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7764 vector type, don't try to construct it element by element. Add an
7765 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7767 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7769 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7771 2005-08-16 Geoffrey Keating <geoffk@apple.com>
7773 * doc/invoke.texi (Precompiled Headers): Document some more options
7774 which are known to be safe.
7776 2005-08-16 James E Wilson <wilson@specifix.com>
7778 PR tree-optimization/21105
7779 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7780 TREE_OVERFLOW check.
7782 2005-08-16 David Edelsohn <edelsohn@gnu.org>
7784 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7785 (neg_ltu<mode>): Same.
7787 (neg_gtu<mode>): Same.
7789 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7791 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7792 (fold_builtin_isdigit): Use fold_buildN.
7793 (build_function_call_expr): Likewise.
7794 * c-typeck.c (c_finish_loop): Likewise.
7796 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
7797 Richard Shann <rshann@superh.com>
7799 PR middle-end/20396:
7800 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7802 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
7804 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7806 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
7809 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7810 arm_compure_save_reg0_reg12_mask to determine when the PIC register
7813 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7816 * fold-const.c (build_range_check): Disable optimization for function
7817 pointer expressions on targets that require function pointer
7820 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
7822 * simplify-rtx.c (simplify_const_relational_operation): When
7823 extracting arguments of a COMPARE, recompute the mode as well.
7825 2005-08-15 Ian Lance Taylor <ian@airs.com>
7827 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7829 2005-08-15 DJ Delorie <dj@redhat.com>
7831 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7833 (movsi_splittable): Allow, but split, moves to the stack.
7834 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7837 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7839 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7840 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7841 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7843 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7844 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7845 Delete HOST_PTR_PRINTF.
7847 * configure, config.in: Regenerate.
7849 2005-08-15 David Edelsohn <edelsohn@gnu.org>
7851 * config/rs6000/rs6000.md (QHSI): New mode macro.
7852 (wd): Extend mode attr for QImode and HImode
7853 (dbits): New mode attr.
7854 (zero_extend<mode>di2): Convert to mode macro.
7856 2005-08-15 Steve Ellcey <sje@cup.hp.com>
7859 * doc/invoke.texi (-mgnu-ld): Update description.
7862 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7865 * Makefile.in (tree-chrec.o): Depends on real.h.
7866 * tree-chrec.c: Include real.h.
7867 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7868 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7869 * tree-scalar-evolution.c (add_to_evolution_1,
7870 interpret_rhs_modify_expr): Ditto.
7872 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7875 * tree-data-ref.c (estimate_niter_from_size_of_data): When
7876 step is negative compute the estimation from init downwards to zero.
7878 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
7880 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7882 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7884 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7886 (legitimate_reload_constant_p): Fix handling of lliXX operands.
7887 Accept double-word constants that can be split.
7888 * config/s390/s390.md ("movti"): Use 'P' constraint.
7889 ("*movdi_31", "*movdf_31"): Likewise.
7891 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
7893 Fix PR tree-optimization/22615
7895 * tree-ssa-structalias.c (solution_set_add): Handle
7896 first_vi_for_offset returning NULL.
7897 (do_da_constraint): Ditto.
7898 (do_sd_constraint): Ditto.
7899 (do_ds_constraint): Ditto
7900 (find_func_aliases): Ditto.
7901 (build_constraint_graph): RHS is allowed be ANYTHING.
7902 (first_vi_for_offset): Return NULL if we couldn't find anything at
7905 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7907 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7908 over memory as first operand.
7910 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
7913 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7914 available for setting it.
7916 2005-08-14 Ira Rosen <irar@il.ibm.com>
7918 PR tree-optimization/23320
7919 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7920 data-refs' types instead of base object nullness. Add check for
7921 pointer type data-refs before first location comparison. Remove
7924 2005-08-14 Andreas Schwab <schwab@suse.de>
7926 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7928 2005-08-13 James E Wilson <wilson@specifix.com>
7930 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7931 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7932 -fstack-protector-all, --param ssp-buffer-size): Document.
7933 (-Wvariadic-macros): Alphabetize.
7934 (-fsched-stalled-insns-dep): Add missing 'f'.
7936 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7939 2005-08-13 David Edelsohn <edelsohn@gnu.org>
7941 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7942 or indirect address operand.
7943 (EXTRA_ADDRESS_CONSTRAINT): New.
7944 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7946 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
7948 PR tree-optimization/22236
7949 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7950 successors and predecessors.
7951 * tree-chrec.c (chrec_convert): Before converting, check that
7952 sequences don't wrap.
7953 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7954 (analyze_array): Extern.
7955 (find_data_references_in_loop): Remove call to
7956 compute_estimated_nb_iterations.
7957 * tree-data-ref.h (analyze_array): Declared.
7958 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7959 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7960 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7961 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7963 * tree-ssa-loop-ivcanon.c: Fix documentation.
7964 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7965 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7966 (infer_loop_bounds_from_undefined): New.
7967 (estimate_numbers_of_iterations_loop): Use
7968 infer_loop_bounds_from_undefined.
7969 (used_in_pointer_arithmetic_p): New.
7970 (scev_probably_wraps_p): Pass an extra parameter. Call
7971 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
7972 (convert_step): Fix documentation.
7973 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7974 Use initial_condition_in_loop_num and evolution_part_in_loop_num
7975 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
7976 scev_probably_wraps_p.
7978 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
7980 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7981 (s390_register_info): Ignore clobbered_regs information for fixed
7982 registers, and only fixed registers.
7983 (s390_init_frame_layout): Remove redundant call.
7985 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
7987 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7988 description of -Wold-style-casts.
7990 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7991 Jakub Jelinek <jakub@redhat.com>
7993 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7994 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7995 * config/s390/s390.c (print_operand): New output modifier 'G' added.
7996 (get_thread_pointer): Renamed to s390_get_thread_pointer.
7997 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7998 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7999 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8000 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8001 ("stack_protect_set", "stack_protect_test"): New expanders.
8002 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8003 "stack_protect_testdi"): New insn definitions.
8005 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8007 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8009 2005-08-12 Paul Brook <paul@codesourcery.com>
8011 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8013 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8015 * config/s390/predicates.md (setmem_operand): New predicate.
8016 (shift_count_operand): Accept ANDs with special constants as
8018 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8019 with special constants.
8020 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8021 shift_count_operand with setmem_operand.
8023 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8025 * config/s390/s390.c (s390_extract_part, s390_single_part):
8027 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8028 (s390_output_mi_thunk): Don't use lg on 31 bit.
8029 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8030 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8032 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8034 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8035 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8036 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8037 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8038 with one of the new macros.
8040 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8042 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8043 Don't set save_return_addr_p.
8044 (s390_register_info): Make clobbered_regs not depending on
8047 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8049 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8050 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8052 2005-08-11 James E. Wilson <wilson@specifix.com>
8054 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8056 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8058 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8059 locations gathered by var-tracking in single entry loc_list
8060 over loc_descriptor_from_tree.
8062 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8063 pass it down to loc_descriptor.
8064 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8065 (containing_function_has_frame_base): Move earlier in the file.
8066 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8067 instead of always assuming fbreg can't be used.
8069 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8071 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8072 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8073 Accept address wrapped in AND for Altivec.
8074 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8075 Strip AND wrapping offset address for Altivec.
8077 2005-08-11 Richard Henderson <rth@redhat.com>
8080 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8081 before using TYPE_IS_SIZETYPE.
8083 2005-08-11 Richard Henderson <rth@redhat.com>
8086 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8087 insn types not present on ev4.
8088 (alphaev5_insn_pipe): Similarly.
8090 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8093 * arm.c (arm_override_options): If the user has selected callee-super-
8094 interworking, then enable normal interworking.
8096 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8098 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8101 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8103 * doc/rtl.texi: Fix two typos.
8105 2005-08-11 Richard Guenther <rguenther@suse.de>
8108 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8109 cases where we call to/from functions returning void.
8111 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8114 * tree.c (build_pointer_type_for_mode): Robustify.
8116 2005-08-10 James E Wilson <wilson@specifix.com>
8118 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8119 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8121 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8124 2005-08-10 Eric Christopher <echristo@apple.com>
8126 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8127 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8130 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8133 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8134 for the high part when generating dynamic-no-pic code.
8136 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8138 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8139 (x86_64-*-linux*): Likewise.
8141 * config/i386/crtfastmath.c: New file.
8142 * config/i386/t-crtfm: Likewise.
8144 * config/i386/linux.h (ENDFILE_SPEC): New.
8145 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8147 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8150 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8152 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8153 (vec_shl, vec_shr): Document new operations.
8154 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8156 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8158 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8159 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8160 change predicate to indexed_or_indirect_address.
8162 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8164 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8165 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8166 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8167 and __aeabi_uwrite8.
8168 * config/arm/unaligned-funcs.c: New file.
8169 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8171 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8173 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8175 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8176 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8178 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8179 * final.c (pass_shorten_branches): Add dump.
8180 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8181 (pass_life): Rename dump.
8182 (rest_of_handle_flow2): Remove initial verify_flow_info.
8183 * function.c (pass_instantiate_virtual_regs): Add dump.
8184 * integrate.c (pass_initial_value_sets): Add dump.
8185 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8186 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8187 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8188 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8189 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8190 gate_rtl_unrool_and_peel_loops): New.
8191 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8192 rtl_doloop): Do not look at flags.
8193 * mode-switching.c (pass_mode_switching): Add dump.
8194 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8195 pass_split_before_regstack): Add dump.
8196 * regmove.c (pass_stack_adjustments): Add dump.
8197 * tree-optimize.c (pass_fixup_cfg): Add dump.
8199 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8202 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8203 deciding which instruction sequence to use.
8205 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8207 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8208 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8210 2005-08-09 Richard Guenther <rguenther@suse.de>
8212 * c-common.c (builtin_function_2): Remove.
8213 (def_builtin_1): New function.
8214 (c_common_nodes_and_builtins): Use def_builtin_1 to
8215 build builtin functions.
8217 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8219 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8220 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8221 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8224 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8226 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8227 fold_binary instead of fold_build2 since we don't care about the
8229 (loop_niter_by_eval): Likewise.
8230 (compare_trees): Likewise.
8231 (proved_non_wrapping_p): Likewise.
8233 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8237 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8238 if the if is really empty.
8240 2005-08-09 Steven Bosscher <stevenb@suse.de>
8242 PR tree-optimization/23234
8243 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8244 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8245 argument of the new enum.
8246 (execute_cse_reciprocals): Add reciprocals for function arguments
8247 on the unique successor edge of the entry block. Update other calls
8248 to execute_cse_reciprocals_1.
8250 2005-08-08 Richard Henderson <rth@redhat.com>
8253 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8255 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8257 * expr.c (write_complex_part): Return after handling MEM.
8259 2005-08-08 Josh Conner <jconner@apple.com>
8261 PR rtl-optimization/23241
8262 * combine.c (simplify_comparison): Fix error in determining
8263 whether to lift a subreg from comparison.
8265 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8268 * config/rs6000/altivec.md (vec_init<mode>): New.
8269 (vec_set<mode>): New.
8270 (vec_extract<mode>): New.
8271 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8272 (rs6000_expand_vector_set): New.
8273 (rs6000_expand_vector_extract): New.
8274 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8275 for Altivec modes before reload.
8276 (altivec_expand_vec_init_builtin): New.
8277 (get_element_number): New.
8278 (altivec_expand_vec_set_builtin): New.
8279 (altivec_expand_vec_ext_builtin): New.
8280 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8282 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8284 * config/rs6000/rs6000.h (rs6000_builtins): Add
8285 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8286 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8287 * config/rs6000/rs6000-protos.h: Declare new functions.
8289 2005-08-08 Jan Hubicka <jh@suse.cz>
8291 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8292 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8293 * i386.md (movdi*): Use pic_32bit_operand.
8294 * predicates.md (pic_32bit_operand): New.
8296 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8299 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8301 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8303 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8304 (test_for_singularity): Use fold_build2.
8306 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8308 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8310 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8312 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8313 (COMMON_ASM_OP) Define.
8314 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8315 (ix86_encode_section_info): Likewise.
8316 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8317 SUBTARGET_ENCODE_SECTION_INFO.
8319 2005-08-06 Richard Henderson <rth@redhat.com>
8322 * tree-nested.c (convert_local_reference): Save and restore val_only
8323 around component_ref and friends. Clear walk_subtrees by default.
8325 2005-08-06 Peter O'Gorman <peter@pogma.com>
8328 * gcc.c (process_command): Check the argument to -b has a dash.
8329 * doc/invoke.texi: Update -b and -V docs.
8331 2005-08-06 James E Wilson <wilson@specifix.com>
8333 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8335 2005-08-06 Michael Matz <matz@suse.de>
8337 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8338 member only if only one insn is associated with the value.
8340 2005-08-06 Nick Clifton <nickc@redhat.com>
8342 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8344 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8345 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8346 Check symbol flags instead of symbol name mangling.
8347 (xstormy16_asm_output_aligned_common): Likewise. Also
8348 simplify code since the bss100_section cass is the only case
8349 where the below100 code will be triggered.
8350 (xstormy16_encode_section_info): Encode below100 attribute
8351 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8353 (xstormy16_strip_name_encoding): Delete - this function is no
8355 (TARGET_STRIP_NAME_ENCODING): Undefine.
8356 * config/stormy16/stormy16-protos.h: Delete prototype for
8357 xstormy16_strip_name_encoding.
8359 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8361 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8362 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8363 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8364 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8365 config/alpha/predicates.md, config/arc/arc.h,
8366 config/arm/arm.h, config/arm/ieee754-df.S,
8367 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8368 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8369 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8370 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8371 config/m68hc11/m68hc11.h, config/mips/mips.c,
8372 config/mips/mips.h, config/mips/openbsd.h,
8373 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8374 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8375 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8376 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8377 config/sparc/linux.h, config/sparc/linux64.h,
8378 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8379 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8380 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8381 typos. Follow spelling conventions.
8383 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8386 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8387 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8388 specially. Check for side effects only for COND_EXPR.
8389 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8390 return with TREE_NO_WARNING.
8392 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8394 PR rtl-optimization/23233
8395 * loop.c (combine_movables): Require the modes to be the same.
8396 (move_movables): Remove handling of cases where the replacement
8397 had a different mode to the original.
8399 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8401 PR tree-optimization/23128
8402 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8403 subtraction wrap, and set TREE_OVERFLOW if they do.
8405 2005-08-05 Richard Henderson <rth@redhat.com>
8408 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8409 FORCED_LABEL labels.
8411 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8414 * reload.c (find_reloads_subreg_address): Pass down TYPE
8415 unchanged. Change all callers except find_reloads_toplev.
8417 2005-08-05 Michael Matz <matz@suse.de>
8419 * genattrtab.c (current_alternative_string): Remove.
8420 (SIMPLIFY_ALTERNATIVE): Ditto.
8421 (attr_alt_bit_p): Ditto.
8422 (alternative_name): Make const char *.
8423 (evaluate_eq_attr): Remove use of above things.
8424 (simplify_test_exp): Ditto.
8425 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8426 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8428 2005-08-04 James E Wilson <wilson@specifix.com>
8430 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8431 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8432 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8433 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8434 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8436 2005-08-04 Richard Henderson <rth@redhat.com>
8439 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8440 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8441 * tree-sra.c (decide_block_copy): Use it. Disable element copy
8442 if we'd have to instantiate too many members.
8444 2005-08-04 Richard Henderson <rth@redhat.com>
8447 * tree-outof-ssa.c (coalesce_asm_operands): New.
8448 (coalesce_ssa_name): Use it. Split out ...
8449 (coalesce_phi_operands, coalesce_result_decls): ... these.
8451 2005-08-04 Paul Brook <paul@codesourcery.com>
8453 * read-rtl.c (read_quoted_string): Break if EOF.
8455 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
8457 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8458 (fold_build2): Likewise.
8459 (fold_build3): Likewise.
8460 (fold_build1_stat): New function prototype.
8461 (fold_build2_stat): Likewise.
8462 (fold_build3_stat): Likewise.
8463 * fold-const.c (fold_build1): Rename to ..
8464 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8465 through to build1_stat.
8466 (fold_build2): Rename to ..
8467 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8468 through to build2_stat.
8469 (fold_build3): Rename to ..
8470 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8471 through to build3_stat.
8473 2005-08-04 David Edelsohn <edelsohn@gnu.org>
8474 Ian Lance Taylor <ian@airs.com>
8476 * function.c (assign_stack_local_1): Do not correct stack slot
8477 address if allocation size is smaller than mode size.
8479 2005-08-04 Diego Novillo <dnovillo@redhat.com>
8482 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8483 (tree_merge_blocks): Propagate anything allowed by
8485 Clarify documentation.
8486 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8487 SSA form, schedule an update if necessary.
8489 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
8491 * doc/install.texi (Binaries): Remove broken link to
8492 Sinix/Reliant Unix binaries.
8494 2005-08-03 Richard Henderson <rth@redhat.com>
8497 * function.c (stack_protect_epilogue): Export.
8498 * tree.h (stack_protect_epilogue): Declare.
8499 * calls.c (expand_call): Call it.
8501 2005-08-03 Eric Christopher <echristo@apple.com>
8503 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8504 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8507 2005-08-04 Jan Hubicka <jh@suse.cz>
8509 * profile.c (branch_prob): Split edges with goto locus on them
8510 to get proper line counts.
8511 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8513 2005-08-03 Paul Brook <paul@codesourcery.com>
8515 * function.c (assign_parms): Round current_function_args_size
8516 to PARM_BOUNDARY, not STACK_BOUNDARY.
8518 2005-08-03 Geoffrey Keating <geoffk@apple.com>
8520 * config/i386/i386.c (x86_elf_aligned_common)
8521 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8523 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
8525 PR tree-optimization/23157
8526 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8527 before emitting them.
8529 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8531 PR tree-optimization/19899
8532 * Makefile.in (tree-scalar-evolution.o): Add real.h.
8533 * tree-scalar-evolution.c: Include real.h.
8534 (add_to_evolution): Build constant -1 of correct type.
8536 2005-08-03 Jan Hubicka <jh@suse.cz>
8538 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8539 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8540 profile updating for complette unrolling.
8541 * loop-unroll.c (peel_loop_completely): Use it.
8542 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8543 (tree_unroll_loops_completely): Disable code growing unrolling of cold
8546 2005-08-03 Paul Brook <paul@codesourcery.com>
8548 * combine.c (can_change_dest_mode): New function.
8549 (try_combine, simplify_set): Use it.
8551 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
8553 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8556 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
8558 * doc/install.texi (Specific): Adjust link to openavr.org.
8559 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8560 (Binaries): Adjust HP-UX Porting Center link.
8561 (Binaries): Adjust Free Software Foundation ordering link.
8563 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
8565 * convert.c (convert_to_integer): Use fold_build1 instead of
8566 build1 when converting an integer to an integer.
8568 2005-08-02 Richard Henderson <rth@redhat.com>
8570 * combine.c (combine_instructions): Don't use reg_equal/equiv
8571 results if the mode doesn't match.
8573 2005-08-02 Mark Mitchell <mark@codesourcery.com>
8575 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8576 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8578 2005-08-02 Richard Henderson <rth@redhat.com>
8581 * explow.c (memory_address): Remove special-case for
8582 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8584 2005-08-02 Diego Novillo <dnovillo@redhat.com>
8587 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8588 number of calls to cleanup_tree_cfg_1.
8590 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
8592 * doc/invoke.texi: document file extensions .F90 and .F95
8594 2005-08-02 Richard Guenther <rguenther@suse.de>
8596 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8597 positive if its first argument is positive.
8599 2005-08-02 Richard Guenther <rguenther@suse.de>
8601 PR tree-optimization/23177
8602 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8605 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
8607 PR tree-optimization/23129
8608 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8609 varying for divisions with anti-ranges.
8611 2005-08-02 Jan Hubicka <jh@suse.cz>
8613 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8614 * tree-ssa-threadupdate.c (thread_block): Add it here.
8616 2005-08-01 James E Wilson <wilson@specifix.com>
8618 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8619 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8620 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8622 * config/mips/predicates.md (const_call_insn_operand): Add check for
8623 SYMBOL_REF_LONG_CALL_P.
8624 * doc/extend.texi (long_call): Document the new attribute.
8626 2005-08-01 Ian Lance Taylor <ian@airs.com>
8627 Richard Henderson <rth@redhat.com>
8629 * Makefile.in (RTL_BASE_H): Add real.h.
8630 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8632 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8634 * rtl.c (rtl_check_failed_code_mode): New.
8635 * rtl.h (struct rtx_def): Add u.rv.
8636 (XCMWINT, XCNMPRV): New.
8637 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8638 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8640 2005-08-01 Richard Henderson <rth@redhat.com>
8642 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8643 with auto-inc codes.
8645 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8647 2005-08-01 Jan Hubicka <jh@suse.cz>
8649 * i386-protos.h (asm_preferred_eh_data_format): Declare.
8650 * i386.c: Include dwarf2.h
8651 (asm_preferred_eh_data_format): New.
8652 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8654 2005-08-01 Ian Lance Taylor <ian@airs.com>
8656 * config/host-linux.c (linux_gt_pch_get_address): Add new name
8657 randomize_va_space for virtual address randomization control.
8659 2005-08-01 Steven Bosscher <stevenb@suse.de>
8661 * common.opt (flag_ipa_cp): Put in right place to maintain
8664 2005-08-01 Jan Hubicka <jh@suse.cz>
8666 * profile.c (compute_value_histograms): Fix thinko.
8667 * value-prof.c: Include toplev.h
8668 (check_counter): New function.
8669 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8670 tree_mod_subtract_transform): Add sanity check.
8672 2005-08-01 Richard Guenther <rguenther@suse.de>
8674 PR tree-optimization/23133
8675 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8676 current functions parameter decls to find defs to cse
8679 2005-08-01 Richard Guenther <rguenther@suse.de>
8681 PR tree-optimization/23109
8682 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8683 If trapping math is in effect, use post-dominator information
8684 to check if we'd in any case reach a trapping point before
8685 doing the reciprocal insertion.
8686 (execute_cse_reciprocals): Compute post-dominators, if necessary.
8687 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8688 expressions are invariant only if trapping math is not in effect.
8690 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8692 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8693 cgraph_function_versioning): New declarations.
8694 * cgraphunit.c: Add include to ipa-prop.h.
8695 (update_call_expr, cgraph_copy_node_for_versioning,
8696 cgraph_function_versioning): New functions.
8697 * integrate.c (copy_decl_for_inlining): Remove.
8698 * ipa-prop.h (ipa_replace_map): New struct.
8699 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8700 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8701 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8702 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8703 ipcp_iterate_stage, ipcp_method_scale_print,
8704 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8705 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8706 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8707 ipcp_update_bb_counts, ipcp_update_profiling,
8708 ipcp_update_edges_counts): New functions.
8709 (ipcp_method_cval_init): Remove restriction regarding local methods.
8710 (ipcp_init_stage): Add ipcp_method_compute_scale.
8711 (ipcp_insert_stage): Add versioning.
8712 (ipcp_structures_print): Add ipcp_method_scale_print.
8713 (ipcp_driver): Dump profiling info.
8714 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8715 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8716 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8717 (struct inline_data): Add versioning_p, ipa_info, new fields.
8718 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8719 declare_return_variable): Replace calls to copy_decl_for_inlining with
8721 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8723 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8724 Add argument VERSIONING.
8725 (copy_arguments_for_versioning, copy_static_chain,
8726 function_versionable_p, tree_versionable_function_p,
8727 tree_function_versioning, replace_ref_tree): New functions.
8728 * tree-inline.h: Include varray.h.
8729 (tree_versionable_function_p, tree_function_versioning,
8730 tree copy_decl_for_dup): New declarations.
8732 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8734 * ipa-cp.c: New file. Contains IPCP specific functionality.
8735 * ipa-prop.h: New file. Contains structures/definitions that can be
8736 used by several interprocedural data flow optimizations (and also IPCP).
8737 * ipa-prop.c: New file.
8738 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8739 * common.opt: Add ipa-cp flag.
8740 * timevar.def: Add IPCP optimization.
8741 * tree-optimize.c (init_tree_optimization_passes): Schedule
8743 * tree-pass.h (pass_ipa_cp): Declare.
8745 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
8747 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8748 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8749 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8750 config/i386/i386.c, config/mips/mips.h,
8751 config/rs6000/rs6000.h, config/sh/sh.c,
8752 config/stormy16/stormy16.c: Fix comment typos.
8754 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
8757 * c-typeck.c (build_binary_op): Use common_type wrapper on
8759 (common_type): Update comment.
8761 2005-07-31 Steven Bosscher <stevenb@suse.de>
8764 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8765 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8766 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8768 2005-07-31 Jan Hubicka <jh@suse.cz>
8770 * pretty-print.h (pp_widest_integer): New macro.
8771 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8774 2005-07-31 Jan Hubicka <jh@suse.cz>
8776 * output.h (enum section_category): Export from varasm.c
8777 (categorize_decl_for_section): Likewise.
8778 * varasm.c (enum section_category): Kill.
8779 (categorize_decl_for_section): Make global.
8780 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8782 * i386.c (ix86_section_threshold): New static variable.
8783 (ix86_in_large_data_p, ix86_encode_section_info,
8784 x86_64_elf_unique_section,
8785 x86_64_elf_select_section): New functions.
8786 (TARGET_ENCODE_SECTION_INFO): Define
8787 (override_options): Enable medium model for PIC.
8788 (ix86_expand_prologue): Expand gen_set_got_rex64.
8789 (legitimate_constant_p): Handle new UNSPECs.
8790 (legitimate_pic_address_disp_p): Likewise.
8791 (legitimize_pic_address): Lower MEDIUM model addressing.
8792 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8793 (enum cmodel): Add MEDIUM_PIC.
8794 (SYMBOL_REF_FAR_ADDR_P): New macro.
8795 (SYMBOL_FLAG_FAR_ADDR): New flag.
8796 * i386.md (movdi): Support medium model.
8797 (set_got_rex64): New pattern.
8798 * i386.opt (mlarge-data-threshold): New flag.
8799 * predicates.md (zext_operand/sext_operand): Deal with medium model.
8800 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8801 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8802 TARGET_ASM_UNIQUE_SECTION): New.
8804 * invoke.texi (-mlarge_data_threshold): Document
8806 2005-07-31 Jan Hubicka <jh@suse.cz>
8808 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8809 (coalesce_vars): Likewise.
8810 * tree-ssa-live.c (coalesce_cost): New.
8811 (build_tree_conflict_graph): Use coalesce_cost.
8812 * tree-ssa-live.h (coalesce_cost): Declare.
8814 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
8816 * arm.md (all peepholes for post-increment operations): Delete.
8817 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8818 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8819 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8820 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8821 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8823 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
8825 * fold-const.c (tree_expr_nonnegative_p): Always return true for
8828 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
8831 * doc/invoke.texi: Document -rdynamic.
8833 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
8836 * c-parser.c (c_parser_parms_list_declarator): Call
8837 mark_forward_parm_decls.
8838 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8839 decls with visibility structure.
8841 2005-07-30 Paul Brook <paul@codesourcery.com>
8843 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8845 2005-07-30 Paul Brook <paul@codesourcery.com>
8847 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8849 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8851 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8853 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8856 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8857 nested function declarators.
8858 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8859 (grokparms): Call warn_if_shadowing for parameters used within the
8861 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8862 not used within the parameter list.
8863 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8865 2005-07-30 Jan Hubicka <jh@suse.cz>
8867 * expr.c (expand_expr_real_1): Do not load mem targets into register.
8868 * i386.c (ix86_fixup_binary_operands): Likewise.
8869 (ix86_expand_unary_operator): Likewise.
8870 (ix86_expand_fp_absneg_operator): Likewise.
8871 * optabs.c (expand_vec_cond_expr): Validate dest.
8873 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8876 * real.c (real_from_string): Also set last bit if there is a
8877 nonzero hex digit beyond GCC's internal precision after ".".
8879 2005-07-29 David Edelsohn <edelsohn@gnu.org>
8881 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8882 define_constants. Change duplicate values to unassigned numbers.
8883 Change UNSPEC_SUBS to UNSPEC_VSUBS.
8884 (*altivec_vspltsf): New.
8885 (altivec_vperm_v4sf): Delete.
8886 (altivec_vperm_<mode>): Use mode macro V.
8887 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8888 (altivec_predicate_v4sf): Delete.
8889 (altivec_predicate_<mode>): Use mode macro V.
8890 (*altivec_lvesfx): New.
8891 (*altivec_stvesfx): New.
8892 (vec_realign_load_v4sf): Delete.
8893 (vec_realign_load_<mode>): Use mode macro V.
8894 * config/rs6000/rs6000.c (generate_set_vrsave): Use
8897 2005-07-29 Mark Mitchell <mark@codesourcery.com>
8900 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8902 * configure: Regenerated.
8904 2005-07-29 Paul Brook <paul@codesourcery.com>
8906 * doc/install.texi: Add link to GFortran binaries wiki page.
8908 2005-07-29 David Ung <davidu@mips.com>
8910 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8911 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8912 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8913 * config/mips/mips.md (cpu): Add 5kf name.
8914 (includes): Includes 5k.md.
8915 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8916 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8919 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8922 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8923 (cleanup_tree_cfg): ... here.
8924 Call cleanup_tree_cfg_1 until there are no more cleanups to
8927 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
8929 * tree-vrp.c (compare_range_with_value): Return true or false
8930 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8931 EQ_EXPR respectively.
8933 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
8935 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8938 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8940 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8941 (tree_ssa_dominator_optimize): Increment it.
8942 (dump_dominator_optimization_stats): Print it.
8944 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
8945 Steven Bosscher <stevenb@suse.de>
8947 PR rtl-optimization/23117
8948 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8949 when head == tail. Tidy comment.
8951 2005-07-28 Richard Henderson <rth@redhat.com>
8953 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8954 * cselib.c (rtx_equal_for_cselib_p): Likewise.
8955 * jump.c (rtx_renumbered_equal_p): Likewise.
8956 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8957 CONST_INT and CONST_DOUBLE.
8958 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8959 * reload.c (operands_match_p): Special case CONST_INT and
8960 CONST_DOUBLE; check mode earlier.
8962 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8965 * c-typeck.c (convert_for_assignment): Do not check
8966 DECL_IN_SYSTEM_HEADER on NULL fundecl.
8968 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8971 * c-typeck.c (composite_type): Prefer constant size arrays to
8974 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8977 * real.c (real_from_string): Set last bit if there is a nonzero
8978 hex digit beyond GCC's internal precision.
8980 2005-07-28 Richard Henderson <rth@redhat.com>
8983 * cfgcleanup.c (try_forward_edges): Watch out for end of
8986 2005-07-28 James E Wilson <wilson@specifixinc.com>
8989 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8991 2005-07-28 Jan Hubicka <jh@suse.cz>
8993 * Makefile.in (rtl-profile.o): Kill all traces of it.
8994 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8995 * coverage.h (rtl_coverage_counter_ref): Kill.
8996 * opts.c (flag_speculative_prefetching_set): Kill.
8997 (flag_loop_optimize_set): New.
8998 (common_handle_option): Disable loop optimizer when profiling;
8999 do not handle speculative prefetching.
9000 * passes.c (init_optimization_passes): Replace pass_profiling combo
9001 by branch_prob pass.
9002 * profile.c (compute_value_histograms): Update for simplified value
9004 (rtl_register_profile_hooks): Kill.
9005 (pass_profiling): Kill.
9006 (rest_of_handle_branch_prob): Do not profile.
9007 * toplev.c (process_options): Remove speculative prefetching.
9008 * toplev.h (flag_tree_based_profiling): Kill.
9009 * tree-profile.c (prepare_instrumented_value,
9010 tree_gen_interval_profiler, tree_gen_pow2_profiler,
9011 tree_gen_one_value_profiler, do_tree_profiling): Update for
9012 simplified datastructures.
9013 * value-prof.c: Add comment that speculative prefetching was dropped;
9014 update rest of file for simplified datastructures.
9015 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9016 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9017 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9018 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9019 rtl_mod_subtract, gen_speculative_prefetch,
9020 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9021 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9022 (gate_handle_value_profile_transformations,
9023 rest_of_handle_value_profile_transformations,
9024 pass_value_profile_transformations): Kill.
9025 * value-prof.h (histogram_value_t): Remove IL based unions.
9026 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9027 rtl_profile_hooks): Remove hooks.
9029 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9031 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9032 (cgraph_clone_node): Likewise.
9033 * cgraph.h (cgraph_clone_edge): Update prototype.
9034 (cgraph_clone_node): Likewise.
9035 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9037 (lookup_recursive_calls): Consider profile.
9038 (cgraph_decide_recursive_inlining): Fix updating; use new
9039 probability argument; use profile.
9040 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9041 * tree-inline.c (copy_bb): Update clal of clone_edge.
9042 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9044 * invoke.texi (min-inline-recursive-probability): Document.
9046 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9048 * doc/install.texi (Configuration): Update Valgrind homepage.
9050 2005-07-28 Richard Henderson <rth@redhat.com>
9053 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9054 labels we want to delete.
9055 (cfg_layout_merge_blocks): Likewise.
9057 2005-07-28 Richard Henderson <rth@redhat.com>
9060 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9061 when expanding to nothing.
9063 2005-07-28 Josh Conner <jconner@apple.com>
9065 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9066 (cgraph_decide_inlining_of_small_functions): Likewise.
9068 2005-07-28 Josh Conner <jconner@apple.com>
9070 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9071 direction of badness if negative.
9072 (cgraph_default_inline_p): Add reason to parameters, and assign it
9074 (cgraph_decide_inlining_of_small_functions): New parameter in call
9075 to cgraph_default_inline_p.
9076 (cgraph_decide_inlining_incrementally): Likewise.
9077 * cgraphunit.c (decide_is_function_needed): Likewise.
9078 * cgraph.h (cgraph_default_inline_p): Likewise.
9080 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9082 * builtins.c: Fix comment typo(s).
9083 * genautomata.c: Likewise.
9084 * gimplify.c: Likewise.
9085 * tree-dfa.c: Likewise.
9086 * tree-flow-inline.h: Likewise.
9087 * tree-into-ssa.c: Likewise.
9088 * tree-ssa-alias.c: Likewise.
9089 * tree-ssa-ccp.c: Likewise.
9090 * tree-ssa-copy.c: Likewise.
9091 * tree-ssa-dce.c: Likewise.
9092 * tree-ssa-dom.c: Likewise.
9093 * tree-ssa-operands.c: Likewise.
9094 * tree-tailcall.c: Likewise.
9095 * tree-vectorizer.c: Likewise.
9096 * tree-vrp.c: Likewise.
9099 2005-07-28 Jeff Law <law@redhat.com>
9101 * tree-vrp.c (test_for_singularity): Extracted from ...
9102 (simplify_cond_using_ranges): Attempt to simplify a relational
9103 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9105 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9107 PR tree-optimization/22506
9108 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9109 phis whose argument is constant.
9111 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9113 PR rtl-optimization/18992
9114 Back out this patch:
9115 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9116 PR optimization/12142
9117 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9118 uses of the register in the SET_SRC. Remove unnecessary argument.
9120 Replace it with this:
9121 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9122 if flag_non_call_exceptions is set and the insn may trap, pass
9123 pc_rtx as dest for recursion.
9124 In SET_SRC part of SET case, if dest is already set, pass it down
9127 2005-07-28 Jan Hubicka <jh@suse.cz>
9129 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9130 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9131 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9133 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9134 profile when available.
9136 2005-07-28 Jan Beulich <jbeulich@novell.com>
9138 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9139 (ia64_print_operand): Describe and handle 'X'.
9140 (ia64_register_move_cost): Also handle FP_REGS.
9141 (ia64_preferred_reload_class): Likewise.
9142 (ia64_secondary_reload_class): Likewise.
9143 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9144 it. Also check for ITANIUM_CLASS_FLDP.
9145 * config/ia64/ia64.h (FP_REGNO_P): New.
9146 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9147 (reg_class): Add FP_REGS.
9148 (REG_CLASS_NAMES): Adjust for it.
9149 (REG_CLASS_CONTENTS): Likewise.
9150 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9151 (REG_CLASS_FROM_LETTER): Handle 'x'.
9152 (CLASS_MAX_NREGS): Handle FP_REGS.
9153 (MEMORY_MOVE_COST): Likewise.
9154 * config/ia64/ia64.md (itanium_class): Add fldp.
9155 (type): Handle fldp.
9156 (movti_internal): More allowable operand combinations. Use ldfp8 when
9157 splitting unnecessary. Remove predicable attribute. Adjust
9158 itanium_class attribute.
9159 (smuldi3_highpart): Remove outdated comment.
9160 (mulditi3, umulditi3, rotlti3): New expanders.
9161 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9162 (absti2): Disabled new insn for future reference.
9163 Respective new splitters.
9164 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9165 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9166 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9168 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9170 PR rtl-optimization/23047
9171 * simplify-rtx.c (simplify_const_relational_operation): Respect
9172 flag_wrapv for comparisons with ABS.
9174 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9176 PR tree-optimization/22493
9177 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9178 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9180 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9182 * config/frv/frv.opt (moptimize-membar): New.
9184 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9186 * config/frv/frv.h: Remove machine_function definition.
9188 * config/frv/frv.c (struct frv_io): New.
9189 (struct machine_function): Moved from frv.h. Add has_membar_p.
9190 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9191 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9192 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9193 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9194 (frv_reorg): Call frv_optimize_membar when appropriate.
9195 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9196 (frv_expand_builtin): Adjust calls accordingly.
9197 (frv_io_address_cookie): New function.
9198 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9199 load or store rather than a special insn. Add ccnstant address and
9200 io-type operands to the membar.
9201 (frv_ifcvt_modify_tests): Unsign regno.
9202 (frv_ifcvt_modify_tests): Same.
9204 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9205 UNSPEC_OPTIONAL_MEMBAR constant.
9206 (builtin_read_<mode>): Delete.
9207 (builtin_write_<mode>): Delete.
9208 ("optional_membar_<mode>"): Add operand.
9210 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9211 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9212 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9213 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9214 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9215 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9216 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9217 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9218 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9220 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9222 * df.c (df_uses_record): Handle SCRATCH.
9224 2005-07-28 Steven Bosscher <stevenb@suse.de>
9227 * passes.c (rest_of_decl_compilation): If decl is a type and
9228 we have encountered errors, don't emit debug information.
9230 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9232 * params.def: Fixed comment.
9234 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9237 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9238 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9239 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9241 2005-07-27 Steven Bosscher <stevenb@suse.de>
9244 * varasm.c (assemble_start_function): Don't do anything that may
9245 require a CFG if the current function is a thunk.
9247 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9249 * doc/install.texi (Prerequisites): Mention that perl is needed
9250 to do export control in libstdc++ targetting Darwin.
9252 2005-07-27 Steven Bosscher <stevenb@suse.de>
9254 PR rtl-optimization/17808
9255 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9256 (sched_insns_conditions_mutex_p): Split out from...
9257 (add_dependence): ...here. But don't call it from here.
9258 (add_dependence_list): Check sched_insns_conditions_mutex_p
9259 before calling add_dependence.
9260 (add_dependence_list_and_free): Likewise.
9261 (fixup_sched_groups): Likewise.
9262 (sched_analyze_1): Likewise.
9263 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9264 (sched_analyze): Likewise.
9265 (sched_analyze_insn): Likewise.
9266 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9267 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9268 dependencies on all COND_EXEC insns to jumps ending basic blocks
9269 when doing intrablock scheduling.
9270 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9272 2005-07-27 Jeff Law <law@redhat.com>
9274 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9275 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9276 equivalency sets, correctly handle the case were vr0 has an
9277 equivalency set, but vr1 does not.
9279 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9281 PR tree-optimization/23073
9282 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9283 vect_print_dump_info before fprintf.
9285 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9287 PR tree-optimize/22348
9288 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9289 Fold the partial computation.
9291 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9293 PR tree-optimization/22325
9294 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9296 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9298 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9299 (force_var_cost): ... this function.
9300 (compute_phi_arg_on_exit): Export.
9302 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9304 PR tree-optimization/20773
9305 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9308 2005-07-27 Richard Guenther <rguenther@suse.de>
9310 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9311 Avoid pushing again if current struct contains only
9312 fields we decomposed.
9314 2005-07-27 Jan Hubicka <jh@suse.cz>
9316 PR tree-optimization/22574
9317 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9320 * tree-tailcall.c (decrease_profile): New function.
9321 (eliminate_tail_call): Use it.
9323 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9324 visibility flags correctly in whole program mode.
9326 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9328 PR rtl-optimization/22472
9329 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9331 2005-07-26 Steven Bosscher <stevenb@suse.de>
9333 PR tree-optimization/22504
9334 * tree-complex.c (expand_complex_addition): Use 'code' instead
9335 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9337 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9339 * config.gcc (cpu_type): Add frv case.
9340 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9341 (supported_defaults): Add fr550 case.
9343 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9346 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9347 whether a pointer of type T * may point to objects of type T *.
9349 2005-07-26 DJ Delorie <dj@redhat.com>
9351 * configure: Regenerate.
9353 2005-07-26 Dale Johannesen <dalej@apple.com>
9355 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9357 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9359 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9360 Clarify use of "build" in name.
9362 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9364 * doc/extend.texi (Raw read/write Functions): New section.
9365 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9366 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9367 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9368 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9369 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9370 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9371 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9372 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9373 * config/frv/frv.c: Add bdesc_loads global.
9374 Add bdesc_stores global.
9375 (frv_init_builtins): Add support for __builtin_{read/write}*.
9376 (frv_volatile_memref): New.
9377 (frv_expand_load_builtin): New.
9378 (frv_expand_store_builtin): New.
9379 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9380 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9381 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9382 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9383 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9384 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9385 (builtin_read_<mode>): New.
9386 (builtin_write_<mode>): New.
9387 (builtin_write64): New.
9388 (optional_membar_<mode>): New.
9390 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9392 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9393 (rather than units) against HOST_BITS_PER_WIDE_INT.
9395 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9397 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9398 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9399 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9400 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9403 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9404 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9405 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9407 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9409 2005-07-26 Richard Guenther <rguenther@suse.de>
9411 PR tree-optimization/22486
9412 * fold-const.c (fold_unary): Fold away useless component
9413 references of the form (T *)&T.x, if the address
9416 2005-07-25 James E Wilson <wilson@specifixinc.com>
9418 * dwarf2out.c (add_call_src_coords_attributes): New.
9419 (gen_inlined_subroutine_die): Call it.
9420 (maybe_emit_file, init_file_table): Add comments.
9421 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9423 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9424 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9425 * tree.h (BLOCK_SOURCE_LOCATION): New.
9426 (struct tree_block): New field locus.
9428 2005-07-26 Andreas Schwab <schwab@suse.de>
9430 PR rtl-optimization/23043
9431 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9432 when allocating a struct unoccr.
9434 2005-07-25 Richard Henderson <rth@redhat.com>
9437 * tree-complex.c (gate_no_optimization): True if errors.
9438 * Makefile.in (tree-complex.o): Update dependencies.
9440 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
9442 * config/frv/predicates.md (integer_register_operand): Use
9445 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9448 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9450 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9452 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9454 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9455 types when flag_unsafe_math_optimizations is true.
9457 2005-07-25 Mark Mitchell <mark@codesourcery.com>
9459 * gcc.c (option_map): Add --sysroot.
9460 (process_command): Handle --sysroot.
9461 (display_help): Document it.
9462 * doc/cppopts.tex (-isysroot): Document.
9463 * doc/invoke.texi (--sysroot): Document.
9464 * doc/install.texi (--with-build-sysroot): Document.
9466 * Makefile.in (inhibit_libc): New variable.
9467 (INHIBIT_LIBC_CFLAGS): Likewise.
9468 (LIBGCC2_CFLAGS): Include
9469 $(INHIBIT_LIBC_CFLAGS).
9470 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9471 ($(T)crtbegin.o): Do not use @inhibit_libc@.
9472 ($(T)crtend.o): Likewise.
9473 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9474 ($(T)crtendS.o): Likewise.
9475 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9476 ($(T)crtendT.o): Likewise.
9477 (stmp-fixinc): Do not complain about missing headers if
9479 * configure.ac (inhibit_libc): Set it to true/false.
9480 (--with-build-sysroot): New option. Use it to set
9482 * configure: Regenerated.
9484 2005-07-25 Manfred Hollstein <mh@suse.com>
9486 * calls.c (store_one_arg): Fix unsigned comparison warning.
9488 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
9491 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9492 (ggc_print_statistics): Initialize variable before use.
9494 2005-07-25 Richard Guenther <rguenther@suse.de>
9496 * tree-dfa.c (mark_new_vars_to_rename): Protect against
9497 calling with a PHI_NODE argument.
9499 * tree-flow-inline.h (overlap_subvar): Protect against
9502 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
9504 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9505 * configure: Regenerate.
9507 2005-07-25 Ira Rosen <irar@il.ibm.com>
9509 * expr.c (highest_pow2_factor): Make extern.
9510 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9511 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9512 record_array_differ_p, array_ptr_differ_p): Likewise.
9513 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9514 additional cases. Call the above functions.
9515 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9516 base_object_differ_p when there are two base objects. Otherwise, compare
9517 base address and offset. Call may_alias_p.
9518 (dump_data_reference): Use a correct field name.
9519 (analyze_array): Make static. Initialize new data-ref fields.
9520 (analyze_indirect_ref): New function.
9521 (init_data_ref): Initialize new data-ref fields.
9522 (strip_conversion): Moved from tree-vect-analyze.c.
9523 (analyze_offset_expr, get_ptr_offset, address_analysis,
9524 object_analysis): Likewise.
9525 (analyze_offset): New function.
9526 (create_data_ref): Likewise.
9527 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9528 dimensions for ARRAY_REFs only.
9529 (build_classic_dist_vector): Make static.
9530 (access_functions_are_affine_or_constant_p): Call macro to get the
9531 address of access functions.
9532 (compute_all_dependences): Add new parameter
9533 compute_self_and_read_read_dependences. Compute self and read-read
9534 dependences if it is true.
9535 (find_data_references_in_loop): Call create_data_ref. Initialize new
9537 (compute_data_dependences_for_loop): Add new parameter
9538 compute_self_and_read_read_dependences. Remove parameter nb_loops,
9539 compute nb_loops. Call compute_all_dependences,
9540 build_classic_dist_vector and build_classic_dir_vector with correct
9542 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9543 with correct parameters. Compare dimensions for ARRAY_REFs only.
9544 (free_data_refs): Call macro to free access functions.
9545 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9546 fields from stmt_vinfo.
9547 (struct base_object_info): New structure.
9548 (struct data_reference): Move fields to base_object_info. Add fields
9549 first_location and object_info for above structures. Move fields from
9550 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9551 aligned_to. Add macros to access the new fields.
9552 Update functions declarations.
9553 * tree-flow.h (is_aliased_with): Declare.
9554 * tree-loop-linear.c (linear_transform_loops): Call
9555 compute_data_dependences_for_loop with correct parameters.
9556 * tree-ssa-alias.c (is_aliased_with): New function.
9557 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9558 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9559 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9560 vect_base_addr_differ_p, compute_subscript_distance and
9561 build_classic_dist_vector. Add printings. Check absolute value of
9563 (vect_analyze_data_ref_dependences): Go through ddrs instead of
9565 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9566 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9567 to bytes. Add printing.
9568 (vect_compute_data_refs_alignment): Go through loads and stores in one
9570 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9571 vect_analyze_data_ref_access): Likewise.
9572 (vect_analyze_pointer_ref_access): Remove.
9573 (vect_address_analysis, vect_object_analysis): Likewise.
9574 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9575 and analyze data-refs in the loop.
9576 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9577 fields of data-ref instead of stmt. Add init to the offset from the
9579 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9580 (vect_update_init_of_dr): Likewise.
9581 (vect_update_inits_of_drs): Go through loads and stores in one loop.
9582 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9584 (new_loop_vec_info): Initialize new fields.
9585 (destroy_loop_vec_info): Free new fields.
9586 (vect_strip_conversion): Remove.
9587 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9588 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9589 datarefs. Add new field ddrs.
9590 Add macros for the new fields access.
9591 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9592 base_aligned_p, misalignment, memtag, ptr_info and subvars.
9593 Remove their macros.
9594 * tree.h (highest_pow2_factor): Declare.
9596 2005-07-25 Jakub Jelinek <jakub@redhat.com>
9598 * calls.c (store_one_arg): Check for sibling call MEM arguments
9599 from already clobbered incoming argument area.
9601 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9603 * c-common.c (check_missing_format_attribute): New.
9604 * c-common.h (check_missing_format_attribute): Likewise.
9605 * c-typeck.c (convert_for_assignment): Use it.
9607 2005-07-24 Andreas Schwab <schwab@suse.de>
9609 * config/m68k/m68k.md ("extendqidi2"): When source is an address
9610 register use a word move. Correct operand of ext.w in 68000 code.
9612 2005-07-23 Mark Mitchell <mark@codesourcery.com>
9614 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9615 variables as declarations, rather than definitions.
9617 2005-07-24 Ira Rosen <irar@il.ibm.com>
9619 PR tree-optimization/22526
9620 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9623 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9625 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9626 that C99 reserve for future use. Use it to define clog10,
9627 clog10f and clog10l.
9629 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9631 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9632 * configure.ac: Check for -Wmissing-format-attribute.
9634 * configure: Regenerate.
9636 2005-07-23 Richard Henderson <rth@redhat.com>
9638 PR tree-optimization/22623
9639 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9641 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
9644 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9646 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9648 * Makefile.in (C_TREE_H): Update dependencies.
9649 * c-tree.h: Include toplev.h.
9650 * diagnostic.h (diagnostic_set_info): Add format attribute.
9651 * rtl-error.c (diagnostic_for_asm): Likewise.
9653 2005-07-23 Chao-ying Fu <fu@mips.com>
9655 * config/mips/mips-dsp.md: New file.
9656 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9657 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9659 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9660 MIPS_BUILTIN_BPOSGE32.
9661 (mips_expand_builtin_direct): Add one parameter to indicate that
9662 builtin functions need to return a value.
9663 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9665 (mips_regno_to_class): Add classes for 12 new DSP registers.
9666 (mips_subword): Change to check four HI registers.
9667 (mips_output_move): Output move to and from 6 new DSP accumulators.
9668 (override_options): Make sure -mdsp and -mips16 are not used together.
9669 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
9671 (mips_conditional_register_usage): Disable 6 new DSP accumulators
9673 (print_operand): Add 'q' for printing DSP accumulators.
9674 (mips_cannot_change_mode_class): Check ACC_REGS.
9675 (mips_secondary_reload_class): Check ACC_REGS.
9676 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9677 (mips_register_move_cost): Check ACC_REGS.
9678 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9679 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9680 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9681 (dsp_bdesc): New array.
9682 (bdesc_arrays): Add DSP builtin function table.
9683 (mips_prepare_builtin_arg): Check predicate again after
9685 (mips_expand_builtin): Add one more parameter to
9686 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9687 MIPS_BUILTIN_BPOSGE32.
9688 (mips_init_builtins): Initialize new function types.
9689 (mips_expand_builtin_direct): Check if builtin functions need to
9690 return a value and pass operands properly.
9691 (mips_expand_builtin_bposge): New function.
9692 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9693 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9694 (FIRST_PSEUDO_REGISTER): Increase to 188.
9695 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9696 Update for 12 new DSP registers.
9697 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9698 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9699 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9700 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9701 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9702 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9703 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9704 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9705 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9706 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9707 (REGISTER_NAMES): Add names for 12 new DSP registers.
9708 * config/mips/mips.md: Include mips-dsp.md.
9709 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9710 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9711 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9712 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9713 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9714 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9715 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9716 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9717 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9718 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9719 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9720 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9721 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9722 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9723 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9724 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9725 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9726 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9727 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9728 (UNSPEC_RDDSP): New constants.
9729 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9730 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
9732 * config/mips/mips.opt (-mdsp): New option.
9733 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9734 (reg_imm10_operand): New predicates.
9735 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9736 * doc/invoke.texi (-mdsp): Document new option.
9738 2005-07-22 DJ Delorie <dj@redhat.com>
9740 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9742 * tree-inline.c (inlinable_function_p): Likewise.
9744 2005-07-22 Mark Mitchell <mark@codesourcery.com>
9747 * toplev.c (check_global_declarations): Do not mark undefined
9748 variables as DECL_IGNORED_P.
9749 * varasm.c (first_global_object_name): GTY it.
9750 (weak_global_object_name): Likewise.
9751 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9752 a string to go into {weak,first}_global_object_name.
9754 2005-07-22 DJ Delorie <dj@redhat.com>
9756 * c-format.c (check_function_format): Change warning control
9757 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9759 2005-07-22 Diego Novillo <dnovillo@redhat.com>
9761 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9762 &PTR->FLD a dereference of PTR.
9763 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9764 a potential dereference of PTR.
9766 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
9768 PR rtl-optimization/20370
9769 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9770 call allocate_reg_info if necessary.
9772 PR rtl-optimization/21848
9773 * calls.c (emit_library_call_value_1): For const functions, add
9774 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9776 PR rtl-optimization/22445
9777 * cselib.c (target.h): Include.
9778 (rtx_equal_for_cselib_p): Allow commutative matches.
9779 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9780 Remove MODE parameter. Changed all callers.
9782 PR rtl-optimization/22258
9783 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9785 (try_combine): Use likely_spilled_retval_p.
9787 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
9789 * config.gcc: Add crx-elf support.
9791 * doc/contrib.texi: Mention crx.
9792 * doc/extend.texi: Document crx extensions.
9793 * doc/install.texi: Document crx install.
9794 * doc/invoke.texi: Document crx options.
9795 * doc/md.texi: Document crx constraints.
9797 * config/crx/crx-protos.h: New file.
9798 * config/crx/crx.c: New file.
9799 * config/crx/crx.h: New file.
9800 * config/crx/crx.md: New file.
9801 * config/crx/crx.opt: New file.
9802 * config/crx/t-crx: New file.
9804 2005-07-22 Manfred Hollstein <mh@suse.com>
9806 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9808 (int_add_graph_edge): Likewise.
9809 (collapse_nodes): Likewise.
9810 (process_unification_queue): Likewise.
9812 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9813 Laurent GUERBY <laurent@guerby.net>
9815 PR tree-optimization/22336
9816 * function.c (record_block_change): Check for
9817 cfun->ib_boundaries_block.
9819 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
9821 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9822 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9824 2005-07-21 DJ Delorie <dj@redhat.com>
9826 * toplev.c (warn_deprecated_use): Add warning control to warning
9828 * c-typeck.c (parser_build_binary_op): Likewise.
9829 (c_finish_if_stmt): Likewise.
9830 * c-common.c (check_function_sentinel): Likewise.
9831 (check_nonnull_arg): Likewise.
9833 2005-07-21 Richard Henderson <rth@redhat.com>
9836 * tree-complex.c (complex_ssa_name_components): New.
9837 (cvc_lookup): Allow entry not found.
9838 (create_components): Remove.
9839 (create_one_component_var, get_component_var): New.
9840 (get_component_ssa_name, set_component_ssa_name): New.
9841 (extract_component): Use get_component_ssa_name.
9842 (update_complex_components): Use set_component_ssa_name.
9843 (update_complex_components_on_edge): Likewise.
9844 (update_phi_components): Create new PHI nodes directly, instead
9845 of adding insns to edges.
9846 (tree_lower_complex): Allocate and free complex_variable_components
9847 and complex_ssa_name_components here.
9849 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
9851 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9852 revert to returning false.
9854 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9857 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9859 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9862 * config/i386/i386.md (cmpxf): Change operand constraints
9863 to "nonmemory_operand".
9865 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9867 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9869 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9872 * fold-const.c (fold_build1): Add checksum for the operands.
9873 (fold_build2): Likewise.
9874 (fold_build3): Likewise.
9876 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9879 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9881 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9883 * common.opt (-fforward-propagate): Committed by mistake,
9886 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9888 * reg-stack.c: Fix comment typo(s).
9889 * tree-ssa-operands.c: Likewise.
9890 * tree-vectorizer: Likewise.
9892 2005-07-21 Nick Clifton <nickc@redhat.com>
9894 * config/sh/symbian.c: Replace C++ style line comments with C
9895 style line comments.
9896 (symbian_add_attribute): Do not use a ? operator on the LHS of
9898 (sh_symbian_handle_dll_attribute): Change the type of the
9899 method vector to "VEC(tree,gc)*" and use vector accessor
9900 macros to walk over the elements.
9901 (symbian_export_vtable_and_rtti_p): Likewise.
9902 (symbian_class_needs_attribute_p): Likewise.
9904 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9907 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9908 initialize targetm.resolve_overloaded_builtin here.
9909 (altivec_expand_overloaded_builtin): Make it non-static.
9910 * config/rs6000/rs6000-protos.h
9911 (altivec_expand_overloaded_builtin): New prototype.
9912 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9913 targetm.resolve_overloaded_builtin here.
9914 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9916 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9917 Zdenek Dvorak <dvorakz@suse.cz>
9919 PR tree-optimization/19210
9920 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9922 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9923 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9924 rely on unproven assumptions.
9925 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9926 * tree-flow.h (number_of_iterations_exit): Add final parameter.
9927 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9928 to number_of_iterations_exit.
9929 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9930 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9931 * tree-ssa-loop-niter.c (find_loop_niter,
9932 estimate_numbers_of_iterations_loop): Likewise.
9933 (number_of_iterations_exit): Honor the new options.
9934 * doc/invoke.texi (Wunsafe-loop-optimizations,
9935 funsafe-loop-optimizations): Document them.
9937 2005-07-21 Richard Sandiford <richard@codesourcery.com>
9939 PR rtl-optimization/22167
9940 * gcse.c (hoist_code): Fix hoist_exprs[] check.
9942 2005-07-20 Adam Nemet <anemet@lnxw.com>
9944 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9945 __do_global_dtors_aux longcall.
9947 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
9949 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9950 (old_special_pred_table): Don't reference
9951 SPECIAL_MODE_PREDICATES.
9952 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9953 * config/arc/arc.h: Don't mention PREDICATE_CODES.
9954 * config/sh/predicates.h: Don't mention
9955 SPECIAL_MODE_PREDICATES.
9956 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9959 2005-07-20 DJ Delorie <dj@redhat.com>
9961 * config.gcc: Add m32c-elf support.
9963 * doc/contrib.texi: Mention m32c.
9964 * doc/extend.texi: Document m32c extensions.
9965 * doc/install.texi: Mention m32c.
9966 * doc/invoke.texi: Document m32c options.
9967 * doc/md.texi: Document m32c constraints.
9969 * config/m32c/addsub.md: New file.
9970 * config/m32c/bitops.md: New file.
9971 * config/m32c/cond.md: New file.
9972 * config/m32c/jump.md: New file.
9973 * config/m32c/m32c-lib1.S: New file.
9974 * config/m32c/m32c-lib2.c: New file.
9975 * config/m32c/m32c-modes.def: New file.
9976 * config/m32c/m32c-pragma.c: New file.
9977 * config/m32c/m32c-protos.h: New file.
9978 * config/m32c/m32c.abi: New file.
9979 * config/m32c/m32c.c: New file.
9980 * config/m32c/m32c.h: New file.
9981 * config/m32c/m32c.md: New file.
9982 * config/m32c/m32c.opt: New file.
9983 * config/m32c/minmax.md: New file.
9984 * config/m32c/mov.md: New file.
9985 * config/m32c/muldiv.md: New file.
9986 * config/m32c/predicates.md: New file.
9987 * config/m32c/prologue.md: New file.
9988 * config/m32c/shift.md: New file.
9989 * config/m32c/t-m32c: New file.
9991 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9993 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9994 (stack_protect_set, stack_protect_test): New expanders.
9995 (stack_protect_set_si, stack_protect_set_si_media,
9996 stack_protect_set_di_media, stack_protect_test_si,
9997 stack_protect_test_si_media, stack_protect_test_di_media):
10000 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
10002 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10004 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
10006 * tree.h (tree_expr_nonzero_p): Export.
10007 * fold-const.c (tree_expr_nonzero_p): Likewise.
10008 Return true for CALL_EXPRs that are alloca calls.
10009 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10011 * tree-flow.h (expr_computes_nonzero): Remove.
10012 * tree-vrp.c (expr_computes_nonzero): Remove.
10013 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10014 (extract_range_from_unary_expr): Likewise.
10015 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10016 tree_expr_nonzero_p.
10018 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
10020 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10021 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
10022 extra arg "picreg" and use it instead of pic_offset_table_rtx.
10023 All callers changed.
10024 (frame_related_constant_load): New arg "related" which controls
10025 setting of RTX_FRAME_RELATED_P. All callers changed.
10026 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10027 (bfin_expand_prologue): Add stack limit checking.
10028 * config/bfin/bfin.md (trapifcc): New pattern.
10030 * config/bfin/bfin.c: Include "langhooks.h".
10031 (def_builtin): Go through lang_hooks to call builtin_function.
10033 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10034 * config/bfin/predicates.md (symbol_ref_operand): New.
10035 (call_insn_operand): Delete. All callers changed to use
10036 register_no_elim_operand.
10037 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10039 (function_arg): Use it to generate the call's operand 2.
10040 (bfin_longcall_p): New function.
10041 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10042 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10043 determine if the address needs to be in a REG.
10044 (bfin_handle_longcall_attribute): New function.
10045 (bfin_attribute_table): Add "longcall" and "shortcall".
10046 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10047 (CUMULATIVE_ARGS): New member call_cookie.
10048 (PREDICATE_CODES): Add symbol_ref_operand.
10049 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10050 extra USE to the pattern.
10051 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10052 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10053 sibcall_value_insn; now the new patterns handle direct calls and the
10054 old ones indirect calls.
10055 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10057 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10059 * doc/trouble.texi: Update section on handling of empty loops.
10061 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10063 * config.gcc: Remove support for sparc-*-openbsd*,
10064 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10066 * config.host: Remove support for i860-*-sysv4* as a host.
10067 * config/i860/*, config/ip2k/*, config/ns32k/*,
10068 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10069 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10070 mention obsolete ports.
10072 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10074 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10075 soft frame pointer.
10076 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10077 of frame_pointer_rtx.
10078 (sh_expand_epilogue): Likewise.
10079 (sh_set_return_address): Likewise.
10080 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10081 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10082 offsets from FRAME_POINTER_REGNUM.
10083 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10084 (sh_register_names): Add initializer for sfp.
10085 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10086 (VALID_REGISTER_P): Likewise.
10087 (FIRST_PSEUDO_REGISTER): Update.
10088 (DWARF_FRAME_REGISTERS): Define.
10089 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10090 (HARD_FRAME_POINTER_REGNUM): Define.
10091 (FRAME_POINTER_REGNUM): Redefine.
10092 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10093 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10094 from FRAME_POINTER_REGNUM.
10095 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10096 FRAME_POINTER_REGNUM.
10097 (REG_CLASS_CONTENTS): Add sfp.
10098 (REG_ALLOC_ORDER): Likewise.
10099 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10100 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10101 of frame_pointer_rtx.
10102 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10104 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10106 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10107 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10108 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10110 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10113 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10115 Make CONSTRUCTOR use VEC to store initializers.
10116 * c-common.c (complete_array_type): Update to cope with VEC in
10118 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10119 (pp_c_constructor_elts): New function.
10120 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10121 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10122 struct constructor_stack, struct initializer_stack,
10123 constructor_elements, push_init_level, pop_init_level,
10124 add_pending_init, find_init_member, output_init_element): Update to
10125 cope with VEC in CONSTRUCTOR_ELTS.
10126 * coverage.c (build_fn_info_value, build_ctr_info_value,
10127 build_gcov_info): Likewise.
10128 * expr.c (categorize_ctor_elements_1, store_constructor,
10129 expand_expr_real_1): Likewise.
10130 * fold-const.c (fold_ternary): Likewise.
10131 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10132 gimplify_init_constructor, gimplify_expr): Likewise.
10133 * tree-dump.c (dequeue_and_dump): Likewise.
10134 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10136 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10138 * tree-sra.c (generate_element_init_1): Likewise.
10139 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10140 * tree-ssa-operands.c (get_expr_operands): Likewise.
10141 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10142 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10143 (get_initial_def_for_reduction): Likewise.
10144 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10145 value handle in annotations.
10146 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10147 tree_node_structure): Add support for constr_kind.
10148 (build_vector_from_ctor, build_constructor_single,
10149 build_constructor_from_list): New functions.
10150 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10151 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10152 Update to cope with VEC in CONSTRUCTOR_ELTS.
10153 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10154 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10155 CONSTRUCTOR_APPEND_ELT): New macros.
10156 (struct constructor_elt, struct tree_constructor): New data types.
10157 (union tree_node): Add tree_constructor field.
10158 * treestruct.def: Define TS_CONSTRUCTOR.
10159 * varasm.c (const_hash_1, compare_constant, copy_constant,
10160 compute_reloc_for_constant, output_addressed_constants,
10161 initializer_constant_valid_p, output_constant,
10162 array_size_for_constructor, output_constructor): Update to cope with
10163 VEC in CONSTRUCTOR_ELTS.
10164 * vec.h (VEC_empty, VEC_copy): New macros.
10166 2005-07-19 Devang Patel <dpatel@apple.com>
10168 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10170 2005-07-19 Richard Henderson <rth@redhat.com>
10173 * gimplify.c (gimplify_expr): Use main variant type for the temp
10174 destination for a discarded volatile read.
10175 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10176 casts between non-void types that change volatility.
10178 2005-07-15 DJ Delorie <dj@redhat.com>
10180 * toplev.h: Add comment about the first parameter for warning().
10181 * errors.h: Likewise.
10183 * c.opt (Wpragmas): New.
10184 * doc/invoke.texi: Document it.
10186 * function.c (do_warn_unused_parameter): Add warning control to
10188 * c-decl.c (warn_if_shadowing): Likewise.
10189 * c-lex.c (cb_def_pragma): Likewise.
10190 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10191 (pop_alignment): Likewise.
10192 (handle_pragma_pack): Likewise.
10193 (apply_pragma_weak): Likewise.
10194 (handle_pragma_weak): Likewise.
10195 (handle_pragma_redefine_extname): Likewise.
10196 (add_to_renaming_pragma_list): Likewise.
10197 (handle_pragma_extern_prefix): Likewise.
10198 (maybe_apply_renaming_pragma): Likewise.
10199 (handle_pragma_visibility): Likewise.
10201 * config/c4x/c4x-c.c (BAD): Likewise.
10202 (c4x_parse_pragma): Likewise.
10203 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10204 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10205 (rs6000_pragma_longcall): Likewise.
10206 * config/v850/v850-c.c (pop_data_area): Likewise.
10207 (ghs_pragma_section): Likewise.
10208 (ghs_pragma_section): Likewise.
10209 (ghs_pragma_interrupt): Likewise.
10210 (ghs_pragma_starttda): Likewise.
10211 (ghs_pragma_startsda): Likewise.
10212 (ghs_pragma_startzda): Likewise.
10213 (ghs_pragma_endtda): Likewise.
10214 (ghs_pragma_endsda): Likewise.
10215 (ghs_pragma_endzda): Likewise.
10217 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10218 Kenneth Zadeck <zadeck@naturalbridge.com>
10220 * Makefile.in: Removed tree-promote-statics.c
10221 * tree-promote-statics.c: Removed.
10222 * common.opt: Removed flag-promote-statics.
10224 * passes.c: Removed tree-promote-statics pass.
10225 * tree-pass.h: Ditto.
10226 * timevar.def: Removed TV_PROMOTE_STATICS.
10229 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10231 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10233 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10235 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10238 * c-common.c (check_function_arguments): Call
10239 'check_function_format' if either -Wformat or
10240 -Wmissing-format-attribute are specified.
10241 * c-format.c (check_function_format): Check -Wformat before
10242 calling 'check_format_info'.
10243 * c-opts.c (c_common_post_options): Don't warn for
10244 -Wmissing-format-attribute without -Wformat.
10245 * c-typeck.c (convert_for_assignment): Detect additional cases for
10246 -Wmissing-format-attribute.
10247 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10250 2005-07-19 Richard Guenther <rguenther@suse.de>
10252 * config/i386/i386.md (lrint<mode>2): Use temporary
10253 instead of clobbering non-existent memory.
10255 2005-07-19 Nick Clifton <nickc@redhat.com>
10257 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10258 statement to avoid displaying ASCII control characters.
10260 2005-07-19 Ben Elliston <bje@au.ibm.com>
10262 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10263 * cfganal.c (find_edge_index): Ditto.
10264 * combine.c (combine_instructions): Ditto.
10265 * ddg.c (create_scc): Ditto.
10266 (find_successors): Ditto.
10267 (find_predecessors): Ditto.
10268 (find_nodes_on_paths): Ditto.
10269 (longest_simple_path): Ditto.
10270 * flow.c (update_life_info): Ditto.
10271 (count_or_remove_death_notes): Ditto.
10272 (clear_log_links): Ditto.
10273 * modulo-sched.c (generate_reg_moves): Ditto.
10274 (find_max_asap): Ditto.
10275 (find_max_hv_min_mob): Ditto.
10276 (find_max_dv_min_mob): Ditto.
10277 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10278 * sched-rgn.c (extract_edgelst): Ditto.
10279 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10280 (dump_update_ssa): Ditto.
10281 (ssa_names_to_replace) Ditto.
10282 (switch_virtuals_to_full_rewrite): Ditto.
10283 (update_ssa): Ditto.
10284 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10286 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10288 Fix PR tree-optimization/22483
10290 * tree-complex.c (create_components): Use
10291 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10292 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10293 * tree-flow.h (safe_referenced_var_iterator): New structure.
10294 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10295 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10296 safe_referenced_var iterator.
10297 (add_type_alias): Ditto.
10299 2005-07-19 Steven Bosscher <stevenb@suse.de>
10301 * loop-init.c (rest_of_handle_loop2): Remove.
10302 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10303 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10304 (pass_rtl_loop_init, pass_rtl_loop_done,
10305 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10306 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10307 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10308 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10309 pass_tree_loop_done, and pass_tree_unswitch.
10310 (gate_loop): Rename to gate_tree_loop.
10311 * passes.c (init_optimization_passes): Update for renamed tree
10312 loop passes. Add the new loop2 passes as subpasses of loop2.
10313 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10314 Update for the renamed tree loop passes.
10316 2005-07-18 Ian Lance Taylor <ian@airs.com>
10318 PR middle-end/22057
10319 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10320 blocks when optimizing.
10322 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10324 * common.opt (frename-registers): Initialize to 2.
10326 (fgcse-after-reload): Ditto.
10327 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10328 (process_options): Only change flag_web, flag_rename_registers,
10329 and flag_rerun_cse_after_loop if not explicitly set by user.
10331 2005-07-18 Jan Beulich <jbeulich@novell.com>
10333 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10334 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10335 in 64-bit mode the same as DImode in 32-bit mode.
10336 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10337 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10338 mode. Add new mode parameter.
10339 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10340 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10341 x86_64_shift_adj): New expanders.
10342 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10343 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10345 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10346 DImode shift splitters.
10347 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10348 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10351 2005-07-18 Jan Beulich <jbeulich@novell.com>
10353 * i386.md (movdi_extzv_1): New.
10354 (zero_extendhidi2): Combine alternatives and never force use of
10356 (zero_extendqidi2): Likewise. Don't restrict input selection.
10358 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10360 Fix PR tree-optimization/22531
10361 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10364 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10366 * tree-promote-statics.c (pass_promote_statics): Change dump file
10369 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10371 * tree-optimize.c (init_tree_optimization_passes): Add
10372 pass_eliminate_useless_stores pass.
10373 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10374 * tree-ssa-pre.c (is_copy_stmt): New function.
10375 (follow_copies_till_vuse): Ditto.
10376 (do_eustores): Ditto.
10377 (gate_eustores): Ditto.
10379 2005-07-16 Richard Henderson <rth@redhat.com>
10381 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10383 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10384 Kenneth Zadeck <zadeck@naturalbridge.com>
10386 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10387 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10388 ipa-type-escape.h, tree-promote-statics.c
10389 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10390 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10391 tree-promote-statics.c: new files.
10392 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10393 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10394 int nonlocal_set_p, mark_constant_function): Deleted.
10395 (rest_of_handle_cfg): Removed call to mark_constant_function.
10396 (nonoverlapping_component_refs_p): Added calls to support
10397 type based aliasing.
10398 * tree-ssa-alias.c (may_alias_p,
10399 compute_flow_insensitive_aliasing): Ditto.
10400 * calls.c (flags_from_decl_or_type): Removed reference to
10402 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10403 too many arguments. This is necessary for Spec 2000.
10404 * cgraph.h (const_function, pure_function): Removed.
10405 * common.opt: Added "fipa-pure-const", "fipa-reference",
10406 "fipa-type-escape", and "ftree-promote-static".
10408 * passes.c: Added ipa and tree-promote-statics passes.
10409 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10410 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10411 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10412 * tree-flow.h: Added exposed sra calls and addition of
10413 reference_vars_info field for FUNCTION_DECLS.
10414 * tree-pass.h: Added passes.
10415 * tree-sra.c: (sra_init_cache): New function.
10416 (sra_insert_before, sra_insert_after) Made public.
10417 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10419 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10420 aliasing. (may_alias_p): Added code to use type escape analysis to
10421 improve alias sets.
10422 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10423 code to prune clobbers of static variables based on information
10424 produced in ipa-reference pass. Changed call clobbering so that
10425 statics are not marked as clobbered if the call does not clobber
10428 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
10430 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10433 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10435 * doc/install.texi (*-*-solaris2*): Document recommended version
10436 of GNU binutils and mention GNU linker problem on Solaris 10.
10438 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
10441 * c-decl.c (c_build_bitfield_integer_type): New function.
10442 (finish_struct): Call it.
10443 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10445 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10447 * c-typeck.c (digest_init): Call 'convert_for_assignment'
10450 2005-07-16 Jan Hubicka <jh@suse.cz>
10452 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10453 (scale_bbs_frequencies_int): Watch roundoff errors.
10454 * predict.c (return_prediction): Initialize return_stmt.
10456 2005-07-16 Jan Hubicka <jh@suse.cz>
10458 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10459 after RTL profiling.
10461 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
10463 PR middle-end/22398
10464 * fold-const.c (build_range_check): Convert high/low to etype
10465 if we are only comparing against exp.
10467 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
10469 Fix PR tree-optimization/22376
10470 * tree-ssa-structalias.c (build_constraint_graph): We really meant
10472 (need_to_solve): New function.
10473 (compute_points_to_sets): Use it.
10475 2005-07-15 Jan Hubicka <jh@suse.cz>
10477 * cfg.c (update_bb_profile_for_threading): More diagnostic.
10478 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10480 2005-07-15 Richard Guenther <rguenther@suse.de>
10482 * c-common.c (handle_flatten_attribute): New function.
10483 Add flatten function attribute.
10484 * doc/extend.texi: Document flatten function attribute.
10485 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10486 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10488 (cgraph_decide_inlining): Handle functions with flatten
10491 2005-07-14 David Edelsohn <edelsohn@gnu.org>
10493 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10494 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10495 UNSPEC_XCHG, UNSPEC_AND): New.
10496 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10497 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10498 * config/rs6000/sync.md (FETCHOP): New code macro.
10499 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10501 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10502 (sync_compare_and_swap<mode>): Same.
10503 (sync_lock_test_and_set<mode>): Same.
10504 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10505 for QImode and HImode, and not PPC405.
10506 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10507 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10508 (sync_<fetchop>{si,di}_internal): New.
10509 (sync_nand{si,di}_internal): New.
10510 (sync_old_<fetchop>{si,di}_internal): New.
10511 (sync_old_nand{si,di}_internal): New
10512 (sync_new_<fetchop>{si,di}_internal): New.
10513 (sync_new_nand{si,di}_internal): New.
10514 (atomic_and{si,di}): New.
10515 (sync_new_nand{si,di}_internal): New.
10516 (atomic_and{si,di}): New.
10517 (sync_add<mode>_internal): Delete.
10518 (sync_addshort_internal): Use unspec instead of unspec_volatile.
10519 (sync_sub<mode>_internal): Delte.
10520 (sync_subshort_internal): New.
10521 (sync_andsi_internal): Use unspec instead of unspec_volatile.
10522 (sync_anddi_internal): Delete.
10523 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10524 (sync_booldi_internal): Delete.
10525 (sync_boolc<mode>_internal): Delete.
10526 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10527 (sync_boolc<mode>_internal2): Delete.
10528 (sync_boolcc<mode>_internal): Delete.
10529 (isync, lwsync): Use unspec instead of unspec_volatile.
10530 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10531 Revert UNSPEC_VOLATILE.
10532 (rs6000_split_atomic_op): New.
10533 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10535 2005-07-14 Eric Christopher <echristo@redhat.com>
10537 * config/mips/mips.c (mips_canonicalize_comparison): Cast
10538 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10540 2005-07-14 Eric Christopher <echristo@redhat.com>
10542 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10544 2005-07-14 Steven Bosscher <stevenb@suse.de>
10546 PR tree-optimization/22230
10547 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10548 the computation of the four cross productions for "range op range".
10550 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
10551 Ulrich Weigand <uweigand@de.ibm.com>
10554 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10557 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10559 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10561 2005-07-14 Steve Ellcey <sje@cup.hp.com>
10563 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10565 2005-07-14 Richard Guenther <rguenther@suse.de>
10567 PR middle-end/22347
10568 * config/i386/i386-protos.h (ix86_function_value): Change
10569 prototype to match new target hook.
10570 * config/i386/i386.c (ix86_value_regno): Change prototype
10571 to take extra type argument.
10572 (TARGET_FUNCTION_VALUE): Define.
10573 (ix86_function_ok_for_sibcall): Pass extra argument to
10574 ix86_value_regno, check return slot rtx for exact match.
10575 (ix86_function_value): Take extra parameter. Dispatch to
10576 ix86_value_regno with fndecl/fntype as provided.
10577 (ix86_value_regno): Handle extra type argument.
10578 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10580 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10581 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10582 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10583 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10584 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10586 2005-07-14 Richard Guenther <rguenther@suse.de>
10588 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10589 * calls.c (expand_call): Pass fntype to hard_function_value.
10590 (emit_library_call_value_1): Likewise.
10591 * explow.c: Include target.h.
10592 (hard_function_value): Take extra argument, the fntype.
10593 Use new target hook for function_value.
10594 * expr.h (hard_function_value): Change prototype.
10595 * function.c (aggregate_value_p): Pass 0 as fntype to
10596 hard_function_value.
10597 (assign_parms): Use new target hook for function_value.
10598 Pass 0 as fntype to hard_function_value.
10599 (expand_function_end): Likewise.
10600 * reg-stack.c: Include target.h.
10601 (stack_result): Use new target hook for function_value.
10602 * target-def.h: New target hook function_value.
10603 * target.h: Likewise.
10604 * targhooks.c (default_function_value): New function.
10605 * targhooks.h (default_function_value): Declare.
10607 2005-07-13 Ian Lance Taylor <ian@airs.com>
10609 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10611 2005-07-14 Jan Hubicka <jh@suse.cz>
10613 * tree-dfa.c (dump_variable): Use default_def function.
10614 * tree-ssa-alias.c (dump_points_to_info): Likewise.
10615 * tree-ssa.c (verify_use): Likewise.
10616 * tree-ssanames.c (release_ssa_name): Likewise.
10617 * tree-tailcall.c (eliminate_tail_call): Likewise.
10618 (tree_optimize_tail_calls_1): Likewise.
10619 * tree-vrp.c (get_value_range): Likewise.
10621 2005-07-14 Ben Elliston <bje@au.ibm.com>
10623 * gcc.c (main): Compare language[0] with '*' when iterating over
10626 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10628 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10629 "s390_emit_compare". Add handling of CCZ1mode.
10630 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10631 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10633 (s390_branch_condition_mask): Add CCZ1mode handling.
10634 * config/s390/s390.md: ("seq", "*seq"): New pattern.
10635 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10636 Use CCZ1mode instead of CCZmode.
10637 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
10639 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10641 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10643 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10645 2005-07-13 Eric Christopher <echristo@redhat.com>
10647 * config/mips/mips.c (mips_canonicalize_comparison): New.
10648 (mips_emit_int_relational): Use.
10650 2005-07-13 Eric Christopher <echristo@redhat.com>
10652 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10653 static extra parts.
10654 * config/s390/s390.md: Include tpf.md. Move tpf specific
10656 * config/s390/tpf.md: To here.
10657 * config/s390/s390.opt: Move tpf specific options...
10658 * config/s390/tpf.opt: to here. Add mmain option.
10659 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10660 * config/s390/tpf.h: Rewrite.
10662 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10664 * doc/tm.texi: Remove @xref{Cross-profiling}.
10666 2005-07-13 Jeff Law <law@redhat.com>
10668 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10669 expressions, test their _DECL operands for pointer equality rather
10670 than using operand_equal_p.
10672 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10674 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10675 (TARGET_POSIX_IO): This.
10676 * config/darwin.h: Likewise.
10677 * config/freebsd.h: Likewise.
10678 * config/linux.h: Likewise.
10679 * config/lynx.h: Likewise.
10680 * config/netbsd.h: Likewise.
10681 * config/rs6000/linux64.h: Likewise.
10682 * config/rs6000/linux.h: Likewise.
10683 * config/s390/tpf.h: Likewise.
10684 * config/sh/embed-elf.h: Likewise.
10685 * config/sparc/linux64.h: Likewise.
10686 * config/sparc/linux.h: Likewise.
10687 * config/svr4.h: Likewise.
10688 * gcov-io.h: Likewise.
10690 * doc/tm.texi: Updated.
10692 * libgcov.c (create_file_directory): Defined only if
10693 TARGET_POSIX_IO is defined.
10694 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10697 2005-07-13 Jan Hubicka <jh@suse.cz>
10699 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10701 2005-07-13 David Edelsohn <edelsohn@gnu.org>
10703 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10704 structure as argument.
10706 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
10708 PR tree-optimization/21921
10709 * tree-iterator.c (tsi_link_before): Support the case when
10710 tsi_end_p (tsi) == true.
10712 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10714 PR tree-optimization/22442
10715 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10718 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10720 PR rtl-optimization/20376
10721 * toplev.c (process_options): Enable -fweb and -frename-registers when
10723 * doc/invoke.texi: Update the information about when -fweb and
10724 -frename-registers are enabled.
10726 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10729 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10730 if *rhs_p is not a SSA_NAME.
10732 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
10734 Fix PR tree-optimization/22422
10735 * tree-ssa-structalias.c (struct variable_info): Add flag for
10737 (get_varinfo): Now a static function.
10738 (new_varinfo): init has_union and is_special_var to false.
10739 (solution_set_add): Check has_union.
10740 (do_da_constraint): Move temporary variable so it gets reset
10742 Also check for special variable.
10743 (do_ds_constraint): Ditto.
10744 (do_sd_constraint): Ditto.
10745 (do_structure_copy): Check for special variable.
10746 (find_func_aliases): Ditto.
10747 (init_base_vars): Set special vars properly.
10749 2005-07-13 Jan Hubicka <jh@suse.cz>
10751 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10754 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10755 (get_expr_operands): Fix thinko wrt flags and subvars.
10757 PR tree-optimize/22379
10758 * tree-inline.c (expand_call_inline): Do not output sorry in early
10761 2005-07-12 Dale Johannesen <dalej@apple.com>
10763 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
10765 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10768 * host-linux.h: Include limits.h.
10770 2005-07-12 Dale Johannesen <dalej@apple.com>
10772 * expr.c (compress_float_constant): Add cost check.
10773 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
10775 2005-07-12 Dale Johannesen <dalej@apple.com>
10777 * gcc.target/i386/compress-float-sse.c: New.
10778 * gcc.target/i386/compress-float-sse-pic.c: New.
10779 * gcc.target/i386/compress-float-387.c: New.
10780 * gcc.target/i386/compress-float-387-pic.c: New.
10781 * gcc.dg/compress-float-ppc.c: New.
10782 * gcc.dg/compress-float-ppc-pic.c: New.
10784 2005-07-12 Eric Christopher <echristo@redhat.com>
10786 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10787 static extra parts.
10788 * config/s390/s390.md: Include tpf.md. Move tpf specific
10790 * config/s390/tpf.md: To here.
10791 * config/s390/s390.opt: Move tpf specific options...
10792 * config/s390/tpf.opt: to here. Add mmain option.
10793 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10794 * config/s390/tpf.h: Rewrite.
10796 2005-07-12 Eric Christopher <echristo@redhat.com>
10798 * gcc.c (struct infile): Update comment for language.
10799 (main): Rewrite input file resetting code.
10801 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10804 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10805 requiring a cast in a non RHS of modify_expr. Add a cast when required.
10806 (lookup_avail_expr): Use constant_boolean_node instead
10807 of boolean_false_node/boolean_true_node.
10809 2005-07-12 Ben Elliston <bje@au.ibm.com>
10811 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10812 and use it when printing num_edges.
10814 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
10816 * doc/extend.texi (Blackfin Built-in Functions): New section.
10817 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10820 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
10822 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10823 s/cmpstrsi/cmpstrnsi
10824 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10826 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10827 (init_optabs): Initialize cmpstrn_optab.
10828 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10829 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10830 * expr.c: (enum insn_code cmpstrn_optab): Declare.
10831 * config/i386/i386.md: s/cmpstr/cmpstrn
10832 * config/c4x/c4x.md: s/cmpstr/cmpstrn
10833 * doc/md.texi: Update documentation.
10835 2005-07-11 Richard Henderson <rth@redhat.com>
10837 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10838 build_va_arg_indirect_ref.
10839 (alpha_gimplify_va_arg): Likewise.
10840 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10841 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10842 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10843 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10844 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10845 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10847 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10849 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10851 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10852 * passes.c (init_optimization_passes): Add pass_empty_loop.
10853 * tree-pass.h (pass_empty_loop): Declare.
10854 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10855 try_remove_empty_loop, remove_empty_loops): New functions.
10856 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10857 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10859 2005-07-12 Peter Barada <peter@the-baradas.com>
10861 PR middle-end/16719
10862 PR middle-end/18421
10863 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10864 in address registers.
10865 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10866 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10867 alternative of addsi3_5200.
10869 2005-07-11 Ian Lance Taylor <ian@airs.com>
10871 * config/mips/mips.md (ffs<mode>2): Remove.
10873 2005-07-11 Ian Lance Taylor <ian@airs.com>
10875 * doc/tree-ssa.texi (Cleanups): Improve description of
10877 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10879 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10881 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10882 * tree.h (DECL_ARGUMENT_FLD): New macro.
10884 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10886 Fix PR tree-optimization/22404
10888 * tree-ssa-structalias.c (create_variable_info_for): Use
10891 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
10893 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10894 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10895 for second comparison operand.
10896 * config/bfin/predicates.md (reg_or_const_int_operand): New.
10898 * config/bfin/bfin.md (define_attr "type"): Add "sync".
10899 (define_insn_reservation "alu"): Likewise.
10900 (csync, ssync): Now of type sync.
10901 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10902 -mcsync-anomaly -mspecld-anomaly.
10903 * config/bfin/bfin.opt (mcsync): Remove.
10904 (mcsync-anomaly, mspecld-anomaly): Add.
10905 * config/bfin/bfin.c: Include "insn-codes.h".
10906 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10907 (TARGET_DEFAULT_TARGET_FLAGS): New.
10908 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10910 2005-07-11 Steven Bosscher <stevenb@suse.de>
10912 * basic-block.h: Give the BB flags enum a name, bb_flags.
10913 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10914 * cfgcleanup.c (enum bb_flags): Remove here.
10915 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10916 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10917 (update_forwarder_flag): Likewise.
10918 (thread_jump): Likewise.
10919 (try_forward_edges): Likewise.
10920 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
10921 forwarder flags. Don't clear bb->aux for all basic blocks. Only
10922 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10924 2005-07-11 Richard Guenther <rguenther@suse.de>
10926 * config/i386/i386.opt: New target option -msseregparm.
10927 * config/i386/i386.c (override_options): Error out for
10928 -msseregparm but no SSE support.
10929 (ix86_function_sseregparm): Check for global sseregparm.
10930 * doc/invoke.texi: Document -msseregparm.
10932 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10934 * config.gcc (m32r-*-linux*): Use the default extra_parts.
10935 (m32rle-*-linux*): Ditto.
10937 2005-07-11 Jakub Jelinek <jakub@redhat.com>
10939 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10940 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10943 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10945 PR middle-end/22239
10947 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10948 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10950 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
10952 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10953 (varmap): Heapify varmap.
10954 (constraints): Heapify constraints.
10955 (struct constraint_graph): Heapify succs and preds.
10956 (constraint_vec_find): Update for heapification.
10957 (constraint_set_union): Ditto.
10958 (insert_into_complex): Ditto.
10959 (constraint_edge_vec_find): Ditto.
10960 (erase_graph_self_edge): Ditto.
10961 (add_graph_edge): Ditto.
10962 (get_graph_weights): Ditto.
10963 (merge_graph_nodes): Ditto.
10964 (build_constraint_graph): Ditto.
10965 (topo_visit): Ditto.
10966 (solve_graph): Ditto.
10967 (create_variable_info_for): Ditto.
10968 (init_base_vars): Ditto.
10969 (delete_points_to_sets): Free graph, varmap, and complex constraints.
10970 (condese_varmap_nodes): Free complex vector.
10971 (clear_edges_for_node): Clear succs and preds vector.
10973 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10975 * tree-ssa-structalias.c (update_alias_info): Change counting of
10976 references to not include vdefs.
10978 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10980 * tree-ssa-alias.c (free_used_part_map): Add missing free.
10981 (up_insert): Ditto.
10983 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10985 * pa.c (pa_commutative_p): Make PLUS commutative when
10986 TARGET_NO_SPACE_REGS is true.
10988 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10990 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10991 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10992 * tree-dfa.c (dump_subvars_for): New.
10993 (debug_subvars_for): New.
10994 (dump_variable): Show subvariables if VAR has them.
10995 * tree-flow-inline.h (get_subvar_at): New.
10996 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10997 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10999 (struct subvar): Change fields offset and size to unsigned
11001 (dump_subvars_for): Declare.
11002 (debug_subvars_for): Declare.
11003 (get_subvar_at): Declare.
11004 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11005 to unsigned HOST_WIDE_INT *.
11006 (overlap_subvar): Likewise.
11007 * tree-gimple.c (is_gimple_reg): Always return false for
11008 SFTs and memory tags.
11009 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11010 Update all callers.
11011 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11012 (compute_may_aliases): Call compute_points_to_sets.
11013 (collect_points_to_info_for): Remove.
11014 (compute_points_to_and_addr_escape): Remove.
11015 (delete_alias_info): Call delete_points_to_sets.
11016 (compute_flow_sensitive_aliasing): If the call to
11017 find_what_p_points_to returns false, call set_pt_anything.
11018 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11019 (set_pt_anything): Clear pi->pt_vars.
11020 (set_pt_malloc): Remove.
11021 (merge_pointed_to_info): Remove.
11022 (add_pointed_to_expr): Remove.
11023 (add_pointed_to_var): Remove.
11024 (collect_points_to_info_r): Remove.
11025 (is_escape_site): Make extern.
11027 (create_overlap_variables_for): Call it.
11028 * tree-ssa-copy.c (merge_alias_info): Never merge
11029 flow-sensitive alias information.
11030 * tree-ssa-operands.c (get_expr_operands): Adjust variables
11031 offset and size to be unsigned HOST_WIDE_INT.
11032 (add_to_addressable_set): Rename from note_addressable.
11033 Set TREE_ADDRESSABLE as the variables are added to the set.
11035 (add_stmt_operand): Do not try to micro-optimize unmodifiable
11036 operands into VUSEs when adding V_MAY_DEFs for members in an
11038 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11039 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11040 (struct variable_info): Add bitfield is_heap_var.
11041 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11042 (new_var_info): Initialize is_heap_var.
11043 (get_constraint_for): Add HEAP variables to the symbol table.
11044 Mark them with is_heap_var.
11045 (update_alias_info): New. Taken mostly from the old
11046 compute_points_to_and_addr_escape.
11047 (handle_ptr_arith): New.
11048 (find_func_aliases): Call update_alias_info.
11049 Call handle_ptr_info for tcc_binary expressions.
11050 Call mark_stmt_modified.
11051 (create_variable_info_for): If DECL has subvars, do not create
11052 variables for its subvars. Always add all the fields.
11053 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11054 SFTs, then add all the SFTs of the structure.
11055 If VI->DECL is an aggregate with subvariables, add the SFT at
11057 (find_what_p_points_to): If VI is an artificial variable,
11058 translate to bitfields in SSA_NAME_PTR_INFO.
11059 If the solution is empty, set pi->pt_vars to NULL
11060 (init_base_vars): Create ANYOFFSET.
11061 (compute_points_to_sets): Rename from create_alias_vars.
11063 (pass_build_pta): Remove.
11064 (delete_points_to_sets): Rename from delete_alias_vars.
11065 (pass_del_pta): Remove.
11066 * tree-ssa-structalias.h (struct alias_info): Move from
11068 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11069 NUM_REFERENCES_SET): Likewise.
11070 (compute_points_to_sets, delete_points_to_sets): Declare.
11072 2005-07-09 Richard Henderson <rth@redhat.com>
11074 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11075 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11076 alpha_split_lock_test_and_set_12): New functions.
11077 * config/alpha/alpha-protos.h: Update.
11078 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11079 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11080 * config/alpha/sync.md (I12MODE): New.
11081 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11082 (sync_<fetchop_name><I48MODE>): Likewise.
11083 (sync_nand<I48MODE>): Likewise.
11084 (sync_old_<fetchop_name><I48MODE>): Likewise.
11085 (sync_new_<fetchop_name><I48MODE>): Likewise.
11086 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11087 (sync_compare_and_swap<I48MODE>): Likewise.
11088 (sync_lock_test_and_set<I48MODE>): Likewise.
11089 (sync_compare_and_swap<I12MODE>): New.
11090 (sync_compare_and_swap<I12MODE>_1): New.
11091 (sync_lock_test_and_set<I12MODE>): New.
11092 (sync_lock_test_and_set<I12MODE>_1): New.
11094 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11098 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11100 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11102 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11103 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11105 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11108 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11110 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11112 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11113 memory_operand constraint.
11114 (store_conditional_<mode>): Same.
11115 (sync_compare_and_swap<mode>): Same.
11116 (sync_lock_test_and_set<mode>): Same.
11118 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11120 Rewrite PIC support to more closely model actual instructions.
11121 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11122 (cris_symbol): Remove prototypes for removed functions.
11123 (cris_pic_symbol_type_of, cris_valid_pic_const)
11124 (cris_expand_pic_call_address): Prototypes for new functions.
11125 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11127 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11129 <case ':'>: Add case for new punctuation character.
11130 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11131 emitting (extra) PIC modifier.
11132 <case UNSPEC>: Do not assert for PLT.
11133 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11134 (cris_expand_prologue, cris_expand_epilogue): Check
11135 for pic_offset_table_rtx usage instead of taking
11136 current_function_uses_pic_offset_table as the final word.
11137 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11138 Remove flag_pic difference.
11139 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11140 the moral equivalents of...
11141 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11143 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11144 (cris_handle_option): Mark ARG as unused.
11145 (cris_expand_pic_call_address): New worker function for "call",
11147 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11148 output PIC constructs here.
11149 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11150 as symbol-specific modifers, not whole or part of operands.
11151 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11152 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11153 constants and flag_pic.
11154 (CONSTANT_INDEX_P): Adjust for new functions.
11155 (enum cris_pic_symbol_type): New helper type.
11156 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11157 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11158 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11160 ("movsi"): Emit actual instructions for GOT and relative access.
11161 ("*movsi_got_load"): New pattern to set up the register holding
11163 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11164 Adjust FIXME for 'S'.
11165 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11166 Use "movs" for -fpic cases.
11167 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11168 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11169 ("call", "call_value"): Just call cris_expand_pic_call_address for
11171 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11172 Remove special pattern.
11173 ("*expanded_call_side", "*expanded_call_value_side"): New
11175 (gotplt-to-plt, gotplt-to-plt-side-call)
11176 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11178 * config/cris/cris/predicates.md
11179 ("cris_general_operand_or_gotless_symbol"): Remove unused
11181 ("cris_general_operand_or_symbol"): Adjust for new functions.
11183 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11185 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11187 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11189 * Makefile.in (TREE_H): Add treestruct.def.
11190 (c-decl.o): Add pointer-set.h
11191 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11192 visibility on regular DECL's.
11193 (merge_decls): Fix the copying of decl nodes of various types for
11194 the new structures. Don't update RTL, section name, weak status,
11195 etc, on DECL's without RTL.
11196 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11197 Don't check volatile on non-variable types.
11198 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11199 to check whether we have seen arguments.
11200 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11201 flag is checked before field (flag is common, field is not).
11202 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11203 TS_DECL_COMMON could have an origin.
11204 (add_location_or_const_value_attribute): Don't check section name
11205 on non-var/function decls.
11206 (dwarf2out_var_location): Reverse order of tests.
11207 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11208 with DECL_WRTL_CHECK.
11209 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11210 * fold-const.c (fold_binary): Don't check weakness on
11211 non-var/function decls.
11212 (tree_expr_nonzero_p): Ditto.
11213 (fold_checksum_tree): Use tree_decl_extra as sizeof
11215 * ggc-page.c (extra_order_size_table): Add sizes for
11216 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11218 * gimplify.c (gimplify_bind_expr): Only set
11219 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11220 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11222 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11223 * langhooks.h (init_ts). New langhook.
11224 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11225 * print-tree.c (print_node): Update to only print fields that
11226 exist in the structures the passed decl has.
11227 * toplev.c (wrapup_global_declarations): Don't reset
11228 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11229 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11230 * tree-inline.c (remap_decl): Ditto.
11231 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11232 * tree-pretty-print.c (print_declaration): Don't print
11233 DECL_REGISTER on things that don't contain it.
11234 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11235 non-var/function decls.
11236 * tree.c (tree_contains_struct): New structure.
11237 (init_priority_for_decl): New hashtable.
11238 (tree_int_map): New structure.
11239 (tree_int_map_eq): New function.
11240 (tree_int_map_marked_p): Ditto.
11241 (tree_int_map_hash): Ditto.
11242 (tree_map): Move to tree.h.
11243 (tree_map_eq): Externalize.
11244 (tree_map_hash): Ditto.
11245 (tree_map_marked_p): Ditto.
11246 (init_ttree): Set up tree_contains_struct and call langhook.
11247 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11248 (tree_code_size): Update for new structures.
11249 (tree_node_structure): Update for new structures.
11250 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11252 (copy_node_stat): Copy init priority.
11253 (build_decl_stat): Ditto for visibility.
11254 (ts_enum_names): New.
11255 (tree_contains_struct_check_failed): New function.
11256 (decl_init_priority_lookup): Ditto.
11257 (decl_init_priority_insert): Ditto.
11258 * treestruct.def: New file.
11259 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11260 (CONTAINS_STRUCT_CHECK): Ditto.
11261 (tree_contains_struct_check_failed): New prototype.
11262 (DECL_CHECK): Removed.
11263 (DECL_MINIMAL_CHECK): New.
11264 (DECL_COMMON_CHECK): Ditto.
11265 (DECL_WRTL_CHECK): Ditto.
11266 (DECL_NON_COMMON_CHECK): Ditto.
11267 (DECL_WITH_VIS_CHECK): Ditto.
11268 (VAR_OR_FUNCTION_DECL_P): Ditto
11269 (struct tree_decl_minimal): New structure.
11270 (struct tree_decl_common): Ditto.
11271 (struct tree_decl_with_rtl): Ditto.
11272 (struct tree_decl_with_vis): Ditto.
11273 (struct tree_decl_non_common): Ditto.
11274 (struct tree_field_decl): Ditto.
11275 (struct tree_parm_decl): Ditto.
11276 (struct tree_var_decl): Ditto.
11277 (struct tree_function_decl): Ditto.
11278 (struct tree_const_decl): Ditto.
11279 (struct tree_result_decl): Ditto.
11280 (union tree_node): Add new structures.
11281 * var-tracking.c (track_expr_p): Reverse order of tests.
11283 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11285 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11287 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11288 * system.h: Poison FINALIZE_PIC.
11289 * doc/tm.texi (FINALIZE_PIC): Remove.
11291 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11294 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11295 to the correct type if we have a MODIFY_EXPR.
11297 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11299 PR tree-optimization/22360
11300 * tree.c (upper_bound_in_type): Fix calculations for casting
11301 to a non-wider signed type and casting a signed value to a
11302 wider unsigned type.
11303 (lower_bound_in_type): Fix calculations for casting to a
11304 non-wider signed type.
11306 PR tree-optimization/20139
11307 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11309 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11310 fold_cond_expr_cond.
11311 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11312 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11314 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11317 * tree-complex.c (expand_complex_libcall): Produce
11318 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11320 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11322 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11323 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11324 b" assert and inserted fastpath code for this case.
11325 (bitmap_ior): Removed "a != b" assert.
11327 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11329 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11330 (ENDFILE_SPEC): Likewise.
11331 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11333 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11334 a large stack frame at epilogue.
11336 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11338 * final.c: Include sdbout.h when required.
11340 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11342 * config.gcc (*-*-darwin*): Only one target-specific header file
11343 for generic darwin.
11344 (powerpc-*-darwin*): Add version-specific header files.
11345 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11346 * config.in: Regenerate.
11347 * configure: Regenerate.
11348 * gcc.c: Include xregex.h.
11349 (version_compare_spec_function): New.
11350 (spec_function): Add version-compare.
11351 (replace_outfile_spec_function): Reformat comment.
11352 (compare_version_strings): New.
11353 * config/darwin-c.c (version_as_macro): New.
11354 (builtin_define): New.
11355 (darwin_cpp_builtins): New.
11356 * config/darwin-protos.h (darwin_cpp_builtins): New.
11357 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11358 (LIB_SPEC): Make unconditional, update comment.
11359 (TARGET_C99_FUNCTIONS): Define.
11360 * config/darwin.opt: Sort.
11361 (mmacosx-version-min=): New.
11362 * config/darwin7.h: Delete.
11363 * config/darwin8.h: Delete.
11364 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11365 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11366 (TARGET_C99_FUNCTIONS): Define.
11367 * config/rs6000/darwin7.h: New.
11368 * config/rs6000/darwin8.h: New.
11369 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11370 (-mmacosx-version-min): Document.
11372 2005-07-07 Ian Lance Taylor <ian@airs.com>
11374 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11376 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11378 PR middle-end/22239
11379 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11381 2005-07-07 Khem Raj <kraj@mvista.com>
11383 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11384 in bytes, not words.
11386 2005-07-07 Paul Brook <paul@codesourcery.com>
11388 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11389 DEFAULT_FUNCTION_ARG_PADDING to upward.
11391 2005-07-07 Richard Henderson <rth@redhat.com>
11393 * function.c (locate_and_pad_parm): Record parameter alignment in
11394 stack_alignment_needed.
11396 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11398 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11399 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11400 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11401 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11402 (define_attr "type"): Add isync, sync, load_l, store_c.
11403 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11404 Create scratch volatile MEM.
11405 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11407 (load_locked_<mode>): New.
11408 (store_conditional_<mode>): New.
11409 (sync_compare_and_swap<mode>): Replace with splitter.
11410 (sync_lock_test_and_set<mode>): Replace with splitter.
11411 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11413 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11414 is ics. Attribute isync.
11415 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11417 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11418 and UNSPECV_SYNC_OP.
11419 (emit_unlikely_jump): New.
11420 (emit_load_locked): New.
11421 (emit_store_conditional): New.
11422 (rs6000_split_compare_and_swap): New.
11423 (rs6000_split_lock_test_and_set): New.
11424 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11425 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11426 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11427 rs6000_split_lock_test_and_set): Declare.
11428 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11429 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11430 store_c, isync, sync.
11432 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
11434 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11435 filenames to gtyp-gen.h.
11436 (s-typ-gen): Use it in place of for loops.
11438 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
11440 * hooks.c (hook_bool_rtx_int_false): New function.
11441 * hooks.h (hook_bool_rtx_int_false): Declare.
11442 * target-def.h (TARGET_COMMUTATIVE_P): Define.
11443 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11444 * target.h (struct gcc_target): Add commutative_p member.
11445 * targhooks.c (hook_bool_rtx_commutative_p): New function.
11446 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11447 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11448 (pa_commutative_p): New function.
11449 * jump.c (target.h): Include.
11450 (rtx_renumbered_equal_p): Use targetm.commutative_p.
11451 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11453 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11455 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11456 (s390_expand_setmem): New.
11457 * config/s390/s390.c: Likewise.
11458 (print_shift_count_operand): Truncate to 12 bits instead of 6.
11460 * config/s390/s390.md: ("setmem<mode>"): Accept character as
11461 general_operand. Call new function "s390_expand_setmem".
11462 ("clrmem_long", "*clrmem_long"): Rewrite to ...
11463 ("setmem_long", "*setmem_long"): ... this.
11465 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11467 * config/s390/s390.c: (optimization_options): Enable
11468 TARGET_MVCLE at -Os.
11469 * doc/invoke.texi: Document changes in default behaviour.
11470 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11472 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11474 * expr.c: (set_storage_via_setmem): Convert opchar to mode
11475 defined by back-end.
11477 2005-07-07 Jakub Jelinek <jakub@redhat.com>
11479 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11480 all sets in the pattern.
11481 * config/rs6000/rs6000.md (stack_protect_testsi,
11482 stack_protect_testdi): Likewise.
11484 2005-07-06 Jeff Law <law@redhat.com>
11486 * tree-vrp.c (simplify_using_ranges): Kill.
11487 (vrp_finalize): Remove call to simplify_using_ranges.
11488 (simplify_stmt_using_ranges): New function extracted from
11489 simplify_using_ranges.
11490 (simplify_div_or_mod_using_ranges): Likewise.
11491 (simplify_abs_using_ranges): Likewise.
11492 (simplify_cond_using_ranges): New function.
11493 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11494 * tree-ssa-propagate.c (substitute_and_fold): Call
11495 simplify_stmt_using_ranges if we have range information.
11497 2005-07-06 James E. Wilson <wilson@specifixinc.com>
11499 * config/ia64/ia64.c (ia64_reorg): Check optimize before
11500 ia64_flag_schedule_isns2.
11502 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11503 reading/writing general registers.
11504 (ia64_function_arg): Revert 2005-06-18 change.
11506 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
11508 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11509 (legitimize_tls_address): Use gcc_unreachable instead of abort.
11511 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
11513 * function.c (expand_function_end): Revert part of 2005-06-27
11514 patch. Do sjlj_emit_function_exit_after after return_label.
11516 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11518 * doc/install.texi (--disable-libssp): New.
11520 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
11522 * doc/invoke.texi: Update -fforce-mem documentation.
11523 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11524 code for -fforce-mem.
11525 * expmed.c: (store_bit_field,store_fixed_bit_field,
11526 extract_bit_field): Ditto.
11527 * expr.c: (convert_move): Ditto.
11528 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11529 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11530 emit_conditional_add,expand_float,expand_fix): Ditto.
11531 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11532 (common_handle_option): Issue warning when -fforce-mem specified.
11534 2005-07-06 Paul Brook <paul@codesourcery.com>
11536 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11538 * configure: Regenerate.
11540 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
11542 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11544 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
11546 Fix PR tree-optimization/22319
11547 Fix PR tree-optimization/22140
11548 Fix PR tree-optimization/22310
11550 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11551 variable sized types.
11552 Use correct type for intermediate structure on *a = *b structure
11555 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11557 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11559 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11560 (machine_function): Move typedef to...
11561 * config/rs6000/rs6000.c (machine_function): ... here. Add
11562 varargs_save_offset field.
11563 (rs6000_stack_t): Remove varargs_size field.
11564 (setup_incoming_varargs): Allocate varargs save area using
11565 assign_stack_local, try to make it as small as possible.
11566 Save offset from virtual_stack_vars_rtx to the save area
11567 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
11568 instead of magic 8 when fp word byte size is used.
11569 (rs6000_va_start): Use cfun->machine->varargs_save_offset
11570 instead of -RS6000_VARARGS_SIZE.
11571 (rs6000_stack_info, debug_stack_info,
11572 rs6000_initial_elimination_offset): Remove all traces of
11574 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11575 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11576 RS6000_VARARGS_AREA.
11578 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
11580 PR tree-optimization/21963
11581 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11582 constant_multiple_of in the same way get_computation_cost_at does.
11584 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11586 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11587 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11588 (gen_compare_reg): If sparc_compare_emitted is set, clear it
11589 and return its previous value.
11590 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11591 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11593 (stack_protect_set, stack_protect_test): New expanders.
11594 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11595 stack_protect_testdi): New insns.
11596 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11597 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11599 2005-07-06 Jeff Law <law@redhat.com>
11601 * tree-ssa-dce.c (cfg_altered): New global.
11602 (tree_dce_init): Initialize cfg_altered.
11603 (remove_dead_stmt): If we remove an edge in the CFG, then set
11605 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11608 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11610 * Makefile.in (stamp-collect-ld): Use
11611 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
11612 ./collect-ld if it already exists.
11613 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11614 Don't remove ./nm if it already exists.
11616 2005-07-05 Devang Patel <dpatel@apple.com>
11618 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11619 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11620 * tree-vectorizer.c (vect_loop_location): New.
11621 (vect_print_dump_info): Use vect_loop_location.
11622 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11623 (vectorize_loops): Set vect_loop_location.
11624 * tree-vect-analyze.c (vect_analyze_offset_expr,
11625 vect_determin_vectorization_factor, vect_analyze_operations,
11626 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11627 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11628 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11629 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11630 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11631 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11632 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11633 vect_analyze_loop): Adjust vect_print_dump_info API.
11634 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11635 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11636 vect_finish_stmt_generation, vectorizable_assignment,
11637 vectorizable_operation, vectorizable_store, vectorizable_load,
11638 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11639 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11640 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11641 vect_transform_loop): Same.
11642 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11643 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11646 2005-07-05 Randolph Chung <tausq@debian.org>
11648 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11649 * configure: Regenerate.
11650 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11651 (pa_tls_referenced_p): Declare.
11652 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11653 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11654 (legitimize_tls_address): New.
11655 (hppa_legitimize_address): Handle TLS addresses.
11656 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11657 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11658 (emit_move_sequence): Handle TLS addresses.
11659 (pa_encode_section_info): Call default handler to handle common
11661 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11662 (CONSTANT_ADDRESS_P): Reject TLS operands.
11663 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11664 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11665 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11666 (UNSPEC_TLSLE): Define new constants.
11667 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11668 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11669 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11670 (tie_symbolic_operand, tle_symbolic_operand): New
11672 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
11674 * aclocal.m4: Update macros for autoconf 2.59 style.
11675 * configure.ac: Likewise.
11677 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11679 * pa.c (function_value): Handle small aggregates on 32-bit targets.
11680 (function_arg): Pass small aggregates in general registers on 32-bit
11682 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11684 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
11686 * Makefile.in (final.o): Fix dependencies.
11688 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11692 * langhooks.h (struct lang_hooks): Add expr_to_decl.
11693 * langhooks.c (lhd_expr_to_decl): New.
11694 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11696 (LANG_HOOKS_INITIALIZER): Update.
11697 * tree.c (recompute_tree_invarant_for_addr_expr): Call
11698 expr_to_decl langhook.
11699 * c-tree.h (c_expr_to_decl): Declare.
11700 * c-typeck.c (c_expr_to_decl): New.
11701 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11703 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11705 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11708 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11709 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11711 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
11713 * Makefile.in: Adjust dependencies.
11714 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11715 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11716 * alias.c (rest_of_handle_cfg, pass_cfg): New.
11717 * bb-reorder.c (duplicate_computed_gotos): Make it static.
11718 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11719 rest_of_compilation.
11721 * bb-reorder.c (gate_duplicate_computed_gotos,
11722 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11723 rest_of_handle_reorder_blocks, pass_reorder_blocks,
11724 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11725 pass_partition_blocks): New.
11726 * bt-load.c (gate_handle_branch_target_load_optimize,
11727 rest_of_handle_branch_target_load_optimize,
11728 pass_branch_target_load_optimize): New.
11729 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11731 * cfglayout.c (pass_insn_locators_initialize): New.
11732 * cfgrtl.c (pass_free_cfg): New.
11733 * combine.c (gate_handle_combine, rest_of_handle_combine,
11734 pass_combine): New.
11735 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11736 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11737 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11738 * except.c (pass_set_nothrow_function_flags,
11739 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11741 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11742 rest_of_handle_shorten_branches, pass_shorten_branches,
11743 rest_of_clean_state, pass_clean_state): New.
11744 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11745 rest_of_handle_remove_death_notes, pass_remove_death_notes,
11746 rest_of_handle_life, pass_life, rest_of_handle_flow2,
11748 * function.c (pass_instantiate_virtual_regs, pass_init_function,
11749 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11750 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11751 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11753 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11754 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11755 pass_rtl_ifcvt, gate_handle_if_after_combine,
11756 rest_of_handle_if_after_combine, pass_if_after_combine,
11757 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11758 pass_if_after_reload): New.
11759 * integrate.c (pass_initial_value_sets): New.
11760 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11761 pass_purge_lineno_notes): New.
11762 * mode-switching.c (rest_of_handle_mode_switching,
11763 pass_mode_switching): New.
11764 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11765 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11767 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11768 pass_loop_optimize): New.
11769 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11771 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11773 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11774 pass_postreload_cse): New.
11775 * profile.c (gate_handle_profiling, pass_profiling,
11776 rest_of_handle_branch_prob, pass_branch_prob): New.
11777 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11778 pass_split_before_regstack, gate_handle_split_before_regstack,
11779 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11780 rest_of_handle_split_all_insns, pass_split_all_insns): New.
11781 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11782 pass_stack_regs): New.
11783 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11784 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11785 pass_stack_adjustments): New.
11786 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11787 pass_regrename): New.
11788 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11789 pass_delay_slots, gate_handle_machine_reorg,
11790 rest_of_handle_machine_reorg, pass_machine_reorg): New.
11791 * rtl.h (extern void purge_line_number_notes): New.
11792 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11793 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11795 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11797 * value-prof.c (gate_handle_value_profile_transformations,
11798 rest_of_handle_value_profile_transformations,
11799 pass_value_profile_transformations): New.
11800 * var-tracking.c (gate_handle_var_tracking,
11801 pass_variable_tracking): New.
11802 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11804 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11805 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11806 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11807 rest_of_handle_old_regalloc, rest_of_handle_regrename,
11808 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11809 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11810 rest_of_handle_gcse2, rest_of_handle_regmove,
11811 rest_of_handle_tracer, rest_of_handle_if_conversion,
11812 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11813 rest_of_handle_web, rest_of_handle_branch_prob,
11814 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11815 rest_of_handle_jump_bypass, rest_of_handle_combine,
11816 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11817 rest_of_handle_gcse, rest_of_handle_loop_optimize,
11818 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11819 rest_of_handle_mode_switching, rest_of_handle_jump,
11820 rest_of_handle_eh, rest_of_handle_stack_adjustments,
11821 rest_of_handle_flow2, rest_of_handle_jump2,
11822 rest_of_handle_peephole2, rest_of_handle_postreload,
11823 rest_of_handle_shorten_branches, rest_of_clean_state,
11824 rest_of_compilation): Remove.
11826 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11827 * passes.c (dump_flags, in_gimple_form, all_passes,
11828 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11829 register_dump_files, next_pass_1, last_verified, execute_todo,
11830 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11831 from tree-optimize.c.
11832 (init_optimization_passes): Moved from tree-optimize.c,
11833 adding the RTL optimizations.
11834 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11835 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11836 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11837 register_dump_files, next_pass_1, last_verified, execute_todo,
11838 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11839 init_tree_optimization_passes, ipa_passes): Delete.
11840 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11842 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11843 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11845 (ipa_passes): Remove.
11846 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11847 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11848 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11849 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11850 (dump_info_p, dump_flag): Moved to tree-dump.h.
11852 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11854 * passes.c (finish_optimization_passes): Use dump_begin
11855 and dump_end, TDI_end.
11856 (gate_rest_of_compilation): New.
11857 (pass_rest_of_compilation): Use it.
11858 (gate_postreload, pass_postreload): New.
11859 * toplev.c (general_init): Rename init_tree_optimization_passes.
11860 * toplev.h (init_tree_optimization_passes): Rename to
11861 init_optimizations_passes.
11862 * tree-dump.c (dump_flag): Make static.
11863 (dump_files): Remove RTL dumps.
11864 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11865 pass_cleanup_cfg, pass_free_cfg_annotations,
11866 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11867 pass_init_datastructures, pass_fixup_cfg): Make non-static.
11868 * tree-pretty-print.c: Include tree-pass.h.
11869 * cgraph.c: Include tree-dump.h.
11871 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11873 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11874 Only fall back to saying it points to readonly memory if
11875 we can't do better.
11877 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11879 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11880 * config/m32r/m32r.c (m32r_compute_frame_size,
11881 m32r_expand_prologue): Take current_function_profile into
11882 account whenever we reference
11883 current_function_uses_pic_offset_table.
11884 (m32r_finalize_pic): Remove.
11885 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11887 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
11889 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11890 instead of $<. Don't remove ./as if it already exists.
11892 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11895 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11896 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11897 for complex modes when generating code for PA 1.0.
11898 (VALID_FP_MODE_P): New macro.
11899 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11900 sets for all general and floating point modes. Align wide floating
11901 point modes to even register boundaries to comply with architectural
11903 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11904 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11905 (VALID_FP_MODE_P): New macro.
11906 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11907 sets for all general and floating point modes. Align wide floating
11908 point modes to even register boundaries to comply with architectural
11911 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11913 * tree-dump.c (dump_files): Initialize dump number for .cgraph
11916 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11918 * tree-ssa-structalias.c: Don't include expr.h.
11920 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11922 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11925 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11927 Fix PR tree-optimization/22279
11929 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11932 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
11934 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11936 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11938 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11939 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11940 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11941 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11942 config/stormy16/stormy16.c, config/v850/v850.c,
11943 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11944 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11945 Avoid "." or "\n" at end of diagnostics and capital letters at
11946 start of diagnostics.
11947 * combine.c, cse.c: Don't translate dump file output.
11948 * toplev.c (print_version): Only translate output if going to
11951 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11953 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11954 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11957 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11959 * pa.c (fix_range): Fix typo in comment.
11961 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11963 * tree-vrp.c (extract_range_from_assert): Replace
11964 fold (build (...)) with fold_build2.
11966 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11968 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11969 gcc_gfc_char_table, init_dynamic_gfc_info): New.
11970 (format_types_orig, handle_format_attribute): Add support for
11973 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
11975 * varasm.c (assemble_variable): Fix format specifier thinko.
11977 2005-07-03 Ira Rosen <irar@il.ibm.com>
11979 PR tree-optimization/22029 (and 22135)
11980 * tree-pretty-print.c (dump_generic_node): Check that the node is not
11981 a phi node before calling dump_vops.
11983 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11985 * tree-dump.h (dump_string_field): Declare.
11986 * tree-dump.c: Use it instead of dump_string.
11987 (dump_string_field): Make non-static.
11989 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
11991 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11992 up the minimal CFG stuff always when optimize > 0. Call
11993 split_all_insns_noflow in PIC case if needed.
11995 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11996 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11999 * c-decl.c (c_write_global_declarations): Dump contents of
12001 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12002 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12003 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12004 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12007 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
12009 * c-common.h (GCC_DIAG_STYLE): Define.
12010 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
12011 version for format checking to 4.1.
12012 * c-format.c: Include toplev.h after c-common.h.
12013 (enum format_type): Add gcc_tdiag_format_type.
12014 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12015 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12016 (format_types_orig): Add gcc_tdiag.
12017 (init_dynamic_diag_info): Support gcc_tdiag formats.
12018 (handle_format_attribute): Likewise.
12019 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12020 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
12021 version for format checking to 4.1.
12022 (warning0, warning, error, pedwarn, sorry): Use
12023 ATTRIBUTE_GCC_DIAG.
12024 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12025 (finish_aliases_1): Do not use %qE.
12026 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12027 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12028 Correct format bugs.
12029 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12030 parameter to unsigned HOST_WIDE_INT.
12031 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12033 2005-07-02 David Edelsohn <edelsohn@gnu.org>
12035 PR middle-end/21742
12036 * expr.c (write_complex_part): Use adjust_address for MEM.
12037 (read_complex_part): Same.
12039 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12041 Fix PR tree-optimization/22280
12043 * tree-sra.c (generate_element_init): Remove useless loop.
12045 2005-07-02 Richard Henderson <rth@redhat.com>
12047 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12049 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12051 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12053 PR middle-end/14490
12054 * fold-const.c (fold_binary): Handle the return value of
12055 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12056 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12058 2005-07-02 Jeff Law <law@redhat.com>
12060 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12061 a eliminate type conversion which feeds an equality comparison
12062 if the original type or either operand in the comparison is a
12065 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12067 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12068 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12070 * config/avr/avr.c: Do not use '`' as left quote.
12071 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12072 Remove "." from end of diagnostics. Make diagnostics start with
12075 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12076 Joseph S. Myers <joseph@codesourcery.com>
12078 * toplev.c (default_tree_printer): Handle setting location with
12080 * c-objc.common.c (c_tree_printer): Likewise.
12081 * c-format.c (gcc_diag_flag_specs): Add '+'.
12082 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12083 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12085 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12086 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12087 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12088 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12089 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12090 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12091 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12092 format arguments where %J is used without %D.
12094 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12096 * gcc.c (LINK_SSP_SPEC): Define.
12097 (link_ssp_spec): New variable.
12098 (LINK_COMMAND_SPEC): Add %(link_ssp).
12099 (static_specs): Add link_ssp_spec.
12100 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12101 * configure: Rebuilt.
12102 * config.in: Rebuilt.
12104 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12105 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12106 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12107 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12108 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12109 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12110 -0x7008(2) instead of reading __stack_chk_guard variable.
12111 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12113 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12114 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12115 if TARGET_THREAD_SSP_OFFSET is defined.
12116 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12117 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12120 2005-06-27 Richard Henderson <rth@redhat.com>
12121 * libgcc-std.ver (GCC_4.1.0): New.
12122 * libgcc.h (__stack_chk_guard): Declare.
12123 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12124 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12125 * mklibgcc.in (lib2funcs): Add them.
12127 2005-07-01 Richard Henderson <rth@redhat.com>
12129 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12130 void * before struct sigcontext *.
12131 (x86_fallback_frame_state): Likewise.
12133 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12135 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12137 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12140 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12141 we check for SSA_NAME for.
12143 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12145 Fix PR tree-optimization/22071
12147 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12149 (get_constraint_for_component_ref): Use it.
12151 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12154 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12155 print out the last new line.
12157 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12159 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12160 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12161 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12162 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12163 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12164 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12165 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12166 (enum reg_class): New member CC0_REGS.
12167 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12168 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12169 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12170 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12171 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12172 Adjust for register now described.
12174 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12177 * config/i386/i386.md (stack_protect_test_si,
12178 stack_protect_test_di): Add earlyclobber for scratch 3.
12179 * config/rs6000/rs6000.md (stack_protect_testsi,
12180 stack_protect_testdi): Add earlyclobber for scratch 3,
12181 remove earlyclobber from scratch 4.
12183 Older entries for 2005 can be found in ChangeLog-2005.