| blob | 4f36c02e47f859601071f48d9766f3dfe34c45fc |
1 2005-12-16 Steven Bosscher <stevenb@suse.de>
3 PR rtl-optimization/23837
4 * optabs.c (expand_binop): For a multi-word rotate, never emit
5 a REG_NO_CONFLICT block.
7 2005-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9 PR middle-end/25457
10 * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
12 PR target/25447
13 * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
14 MODE_DECIMAL_FLOAT.
16 2005-12-16 Steven Bosscher <stevenb@suse.de>
18 * loop-invariant.c (move_loop_invariants): Add missing hunk from
19 the previous patch, to nullify df.
21 2005-12-16 Steven Bosscher <stevenb@suse.de>
23 * reorg.c (mostly_true_jump): Clean up code depending on
24 LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
25 poor man's branch prediction, instead rely on REG_BR_PROB
26 notes to be available.
28 2005-12-16 Jakub Jelinek <jakub@redhat.com>
30 PR rtl-optimization/24899
31 * loop.c (strength_reduce): Don't reduce giv that is not always
32 computable and where add_val or mult_val can trap.
34 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
36 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
38 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
39 names of ms1-16-002 files.
41 2005-12-16 Alan Modra <amodra@bigpond.net.au>
43 PR driver/20425
44 * gcc.c (for_each_path): New function.
45 (add_to_obstack, file_at_path): New functions.
46 (struct file_at_path_info, struct add_to_obstack_info): New.
47 (build_search_list): Rewrite using for_each_path. Constify struct
48 path_prefix pointer. Add do_multi param. Adjust all callers.
49 (find_a_file): Similarly, but just change existing param to bool.
50 (putenv_from_prefixes): Add do_multi param, make "paths" const.
51 (do_spec_path): Delete.
52 (struct spec_path_info): New.
53 (spec_path): New function.
54 (do_spec_1): Use for_each_path for %D and %I.
55 (find_file): Adjust for find_a_file changes.
56 (main): Search multilibs for specs. Print multilib lib path for
57 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
58 (read_specs): Search multilibs for %include and %include_noerr.
59 (is_directory): Remove second string param. Change last param
60 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
61 check path is a dir. Update all callers.
62 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
63 * system.h (SMALL_ARG_MAX): Poison.
64 * config.gcc: Don't define SMALL_ARG_MAX.
65 * config.host: Likewise.
66 * config.build: Likewise.
68 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
70 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
71 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
72 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
73 simplify_logical): Move simplifications that do not require
74 additional infrastructure...
75 * simplify-rtx.c (simplify_unary_operation_1,
76 simplify_binary_operation_1): ... here.
78 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
80 PR 24823
81 * flow.c (mark_used_dest_regs): New function.
82 (mark_used_regs): Call mark_used_dest_regs.
84 2005-12-16 Jeff Law <law@redhat.com>
86 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
87 represent a use and definition of the same SSA_NAME.
89 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
90 Janis Johnson <janis187@us.ibm.com>
91 Ben Elliston <bje@au.ibm.com>
93 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
94 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
95 * target.h (struct gcc_target): Add decimal_float_supported_p.
96 * targhooks.c (default_scalar_mode_supported_p): Handle
97 MODE_DECIMAL_FLOAT.
98 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
99 of inf, nan, finite, isinf and isnan.
100 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
101 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
102 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
103 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
104 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
105 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
106 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
107 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
108 Pedwarn if decimal floating point types are used. Error if
109 decimal floating point is not supported by the target.
110 (finish_declspecs): Return type from DFP typespec_word.
111 * c-typeck.c (c_common_type): Choose the decimal floating point
112 type with the greater precision when determining a common type.
113 (convert_arguments): Warn if there is a mismatch between argument
114 and prototype for decimal float types. Warn of conversions with
115 binary float types and of precision narrowing due to prototype.
116 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
117 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
118 (c_token_starts_declspecs): Likewise.
119 (c_parser_attributes): Likewise.
120 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
121 RID_DFLOAT64, RID_DFLOAT128.
122 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
123 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
124 (shorten_compare): Convert DFP/BFP operands to a common type.
125 (c_common_modes_and_builtins): Register built-in decimal float
126 types if the target supports them.
127 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
128 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
129 inf, nan, finite, isinf and isnan builtins.
130 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
131 (builtin_define_float_constants): Assert non-decimal radix.
132 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
133 Call builtin_define_decimal_float_constants for each type.
134 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
135 flags. Use real_from_string3, which can handle binary or decimal
136 floats.
137 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
138 cts_dfloat64, cts_dfloat128.
139 * tree.c (build_common_tree_nodes_2): Add decimal float types.
140 * tree.h (enum tree_index): Add new enumeration values
141 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
142 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
143 (dfloat32_type_node): New macro.
144 (dfloat64_type_node, dfloat128_type_node): Likewise.
145 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
146 (dfloat128_ptr_type_node): Likewise.
147 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
148 bit decimal floating point types with "df", "dd" and "dl".
149 * c-format.h (enum format_lengths): Add new enumeration values
150 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
151 * c-format.c (printf_length_specs, scanf_length_specs): Add
152 entries for H, D, DD.
153 (print_char_table, scan_char_table): Use new entries.
154 (asm_fprintf_char_table, gcc_diag_char_table,
155 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
156 length arrays.
157 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
158 (DECIMAL64_TYPE_SIZE): Likewise.
159 (DECIMAL128_TYPE_SIZE): Likewise.
160 (TARGET_DEC_EVAL_METHOD): Likewise.
161 * doc/extend.texi (Decimal Float): New node.
162 (Constructing Calls): Document decimal float built-ins.
163 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
164 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
165 * ginclude/decfloat.h: New file.
167 2005-12-16 Alan Modra <amodra@bigpond.net.au>
169 * reload.c (find_reloads): Fix comment typo.
170 * recog.h (recog_memoized): Correct comment.
172 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
174 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
175 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
176 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
177 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
178 * doc/invoke.texi, doc/tm.texi: Fix typos.
180 2005-12-16 Ben Elliston <bje@au.ibm.com>
182 * real.c (decimal_quad_format): Correct values for emin, emax.
184 2005-12-15 DJ Delorie <dj@redhat.com>
186 * config/m32c/predicates.md (m32c_psi_scale): New.
187 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
188 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
190 2005-12-16 Jan Hubicka <jh@suse.cz>
192 PR rtl-optimization/25224
193 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
194 tables.
196 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
197 Steven Bosscher <stevenb@suse.de>
199 * loop-invariant.c (df): New global variable.
200 (find_defs, check_dependencies, find_invariant_insn, record_uses,
201 find_invariants_bb, find_invariants_body, find_invariants,
202 find_invariants_to_move, move_invariants, free_inv_motion_data,
203 move_single_loop_invariants, move_loop_invariants): Do not pass df in
204 arguments.
206 2005-12-15 Jakub Jelinek <jakub@redhat.com>
208 * varasm.c (default_unique_section_1): Use special section
209 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
211 2005-12-16 Ben Elliston <bje@au.ibm.com>
213 * doc/invoke.texi (Warning Options): Document -Walways-true being
214 enabled by -Wall.
216 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
218 PR other/25028
219 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
220 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
221 __floatunditf): Use #error if type sizes don't match requirements
222 of implementation.
223 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
224 as wider floating-point type. Use #error if type sizes don't
225 match requirements of implementation. Avoid overflow in computing
226 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
227 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
228 (__floatundisf, __floatundidf): Likewise.
229 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
230 * config/ia64/ia64.c (ia64_init_libfuncs): Use
231 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
232 TFmode-TImode conversions.
233 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
235 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
237 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
238 Use builtin_define_with_int_value() instead of
239 adding a new check for every new major FreeBSD version.
241 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
243 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
245 2005-12-15 Richard Sandiford <richard@codesourcery.com>
247 * config/arm/predicates.md (call_memory_operand): New.
248 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
250 2005-12-15 Andrew Haley <aph@redhat.com>
252 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
253 against prev_cache_entry == NULL when moving a cache entry to the
254 head of the list.
256 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
258 * config/mt/mt.c (mt_override_options): Require lower case
259 architectures. Revert accidental default to ms2.
260 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
261 ENDFILE_SPEC): Require lower case architectures. Revert default
262 to ms2.
264 * doc/invoke.texi (MT Options): Rename and update.
265 * doc/md.texi (MorphoTech family): Rename and update.
267 2005-12-15 Olivier Hainque <hainque@adacore.com>
269 * stor-layout.c (layout_type): Don't complain about a too small
270 an array element type size compared to its alignment when the
271 size overflows.
273 2005-12-15 Jan Hubicka <jh@suse.cz>
275 PR target/24969
276 * i386.c (classify_argument): Properly adjust offset of bitfield for
277 substructures.
279 2005-12-15 Richard Sandiford <richard@codesourcery.com>
281 * final.c (final_scan_insn): Flip in_cold_section_p when changing
282 between the hot and cold sections. Use current_function_section
283 to get the new section.
284 * dwarf2out.c (output_line_info): Use in_cold_section_p to
285 determine whether we are assembling hot or cold code.
286 (secname_for_decl, dwarf2out_var_location): Likewise.
287 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
288 * varasm.c (last_text_section): Delete.
289 (in_cold_section_p): New variable.
290 (hot_function_section): New function.
291 (current_function_section): Pass in_cold_section_p as the
292 reloc argument to select_section. Use it to decide between
293 unlikely_function_section and hot_function_section.
294 (assemble_start_function): Use switch_to_section. Set
295 in_cold_section_p instead of last_text_section.
296 (assemble_end_function): Use switch_to_section.
297 (switch_to_section): Don't set last_text_section.
298 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
299 argument to make the right choice between hot and cold sections.
301 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
303 Second part of MS1->MT renaming
304 * config/mt/mt.md (doloop_end): Call mt_add_loop.
305 (movqi, movhi): Call mt_set_memflags.
306 (*movdf_internal): Call mt_split_words.
307 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
308 mt_set_memflags.
309 (cmpsi): Store to mt_compare_op[01].
310 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
311 bungt, bunle, bunlt): Call mt_emit_cbranch.
312 (prologue): Call mt_expand_prologue.
313 (epilogu): Call mt_expend_epilogue.
314 (eh_return): Call mt_expand_eh_return.
315 (eh_epilogue): Call me_emit_eh_epilogue.
316 (conditional_trap): Store to mt_compare_op[01].
317 * config/mt/crti.asm: Adjust comment.
318 * config/mt/crtn.asm: Adjust comment.
319 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
320 (mt_compare_op0, mt_compare_op1): Renamed.
321 (current_frame_info, zero_frame_info): Adjust type.
322 (mt_ucmpsi3_libcall): Renamed.
323 (mt_flag_delayed_branch): Renamed.
324 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
325 (mt_nops_required, mt_nop_reasons): Renamed.
326 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
327 mt_debug_stack, mt_print_operand_simple_address,
328 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
329 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
330 mt_function_arg_advance, mt_arg_partial_bytes,
331 mt_pass_by_reference, mt_function_arg_boundary,
332 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
333 mt_legitimate_address_p): Renamed, adjusted.
334 (mt_cpu): Renamed.
335 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
336 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
337 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
338 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
339 mt_expand_eh_return, mt_emit_eh_prologue,
340 mt_handl_interrupt_attribute): Renamed, adjusted.
341 (mt_attribute_table): Renamed, adjusted.
342 (mt_initial_elimination_offset, mt_generate_compare,
343 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
344 mt_secondary_reload_class, mt_function_value, mt_split_words,
345 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
346 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
347 (mt_labels): Renamed.
348 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
349 mt_machine_reorg): Renamed, adjusted.
350 (mt_attribute_table: Renamed.
351 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
352 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
353 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
354 * config/mt/mt.opt (march): Set mt_cpu_string.
355 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
356 (TARGET_CPU_CPP_BUILTINS): Adjust.
357 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
358 TARGET_MS2): Adjust.
359 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
360 (MT_MIN_INT): Renamed.
361 (RETURN_ADDR_RTX): Adjust.
362 (struct mt_frame_info): Renamed.
363 (current_frame_info): Adjust type.
364 (INITIAL_ELIMINATION_OFFSET): Adjust.
365 (MT_NUM_ARG_REGS): Renamed.
366 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
367 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
368 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
369 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
370 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
371 (mt_compare_op0, mt_compare_op1): Renamed.
372 * config/mt/mt-protos.h: Rename prototypes.
374 2005-12-15 Richard Guenther <rguenther@suse.de>
376 * tree-flow.h (okay_component_ref_for_subvars): Remove.
377 (get_ref_base_and_extent): Declare.
378 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
379 (get_ref_base_and_extent): New function.
380 * tree-ssa-alias.c (find_used_portions): Use it.
381 * tree-ssa-structalias.c (get_constraint_for_component_ref):
382 Likewise.
383 * tree-ssa-operands.c (get_expr_operands): Likewise.
385 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
387 * combine.c: Remove force_to_mode's fourth parameter.
388 (force_to_mode): Do not handle REG.
389 (canon_reg_for_combine): New.
390 (make_field_assignment): Use it where the removed argument was non-NULL.
392 2005-12-15 Alan Modra <amodra@bigpond.net.au>
394 PR target/25406
395 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
396 error_mark_node. Make alignment params unsigned.
397 * config/rs6000/rs6000-protos.h
398 (rs6000_special_round_type_align): Update prototype.
399 (rs6000_machopic_legitimize_pic_address): Remove arg names.
401 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
403 PR rtl-optimization/25310
404 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
405 of the eliminable register when substituting into a PLUS.
407 2005-12-14 Jakub Jelinek <jakub@redhat.com>
409 PR debug/25023
410 * config/i386/i386.c (ix86_force_to_memory): Always use
411 SImode push for HImode in -m32.
412 (ix86_free_from_memory): Likewise.
414 2005-12-14 Richard Sandiford <richard@codesourcery.com>
416 * gcc/config/arm/arm.md: Provide a big-endian version of the
417 (zero_extend:SI (subreg:QI ...)) splitter.
419 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
421 * struct-equiv.c (note_local_live): Handle hard regs with different
422 hard_regno_nregs.
424 2005-12-14 Jeff Law <law@redhat.com>
426 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
427 to a structure containing state rather than a pointer to bool.
428 (case ARRAY_REF): New code to handle folding some array references.
429 (case ADDR_EXPR): Note when we are processing expressions found
430 within an ADDRE_EXPR.
431 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
432 for state variables rather than just a pointer to a boolean.
433 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
434 handling of constant string references.
436 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
438 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
439 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
440 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
441 Move other tst* patterns to retain partial order.
443 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
445 * config/s390/s390.md ("d0", "1"): New mode attributes.
446 ("<shift>di3", "<shift>si3"): Merge.
447 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
448 ("ashrdi3", "ashrsi3"): Merge.
449 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
450 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
451 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
452 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
453 ("*ashrdi3", "*ashrsi3"): Merge.
454 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
456 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
458 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
459 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
460 ("*extendqidi2", "*extendqisi2") Merge.
461 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
462 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
463 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
464 Move some patterns to retain partial ordering.
466 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
468 * config/s390/s390.md ("atype", "length"): Rewrite.
469 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
471 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
473 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
475 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
477 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
478 PARALLELs with a mode.
480 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
482 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
483 cond_expr parameter.
485 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
487 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
489 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
491 PR bootstrap/25397:
493 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
494 of STACK_REGS bits.
496 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
498 2005-12-14 Jakub Jelinek <jakub@redhat.com>
500 PR target/25254
501 PR target/24188
502 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
503 DECL_P, call get_section rather than get_named_section. Supply
504 section flags to it.
506 2005-12-14 Ben Elliston <bje@au.ibm.com>
508 * c-common.c (c_common_truthvalue_conversion): Generalise warning
509 for addresses converted to booleans; not just function addresses.
510 * c-typeck.c (build_binary_op): Warn for address comparisons which
511 can never be NULL (eg. func == NULL or &var == NULL).
512 * common.opt (Walways-true): New option.
513 * c-opts.c (c_common_handle_option): Set it with -Wall.
514 * doc/invoke.texi: Document it.
516 2005-12-13 Paul Brook <paul@codesourcery.com>
518 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
519 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
521 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
523 * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
524 * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
526 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
527 (EXTRA_MULTILIB_PARTS): Define.
529 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
531 PR rtl-optimization/20070 / part1
532 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
533 count_or_remove_death_notes with kill == -1.
534 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
535 registers if PROP_POST_REGSTACK is set.
536 (mark_used_reg): Likewise.
537 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
538 REG_UNUSED notes for stack regs.
539 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
540 to match rtx_equiv_p machinery. Change caller.
541 (outgoing_edges_match): Likewise.
542 (try_crossjump_to_edge): Use struct_equiv_block_eq
543 instead of flow_find_cross_jump.
544 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
545 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
546 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
547 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
548 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
549 (insns_match_p): Update prototype.
550 (flow_find_cross_jump): Remove prototype.
551 (struct_equiv_block_eq, struct_equiv_init): Declare.
552 (rtx_equiv_p, condjump_equiv_p): Likewise.
553 * struct-equiv.c: Include reload.h.
554 (IMPOSSIBLE_MOVE_FACTOR): Define.
555 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
556 (struct_equiv_improve_checkpoint): Likewise.
557 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
558 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
559 (struct_equiv_merge, find_dying_input): Likewise.
560 (resolve_input_conflict, note_local_live): Likewise.
561 (death_notes_match_p): Change parameters and processing
562 to match rtx_equiv_p machinery. Change caller.
563 (insns_match_p): Likewise.
564 (flow_find_cross_jump): Replace with:
565 (struct_equiv_block_eq).
567 Back out this change:
568 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
569 * recog.c (verify_changes): Make it static.
570 * recog.h: Remove the corresponding prototype.
572 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
574 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
575 values.
577 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
579 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
580 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
581 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
582 TARGET_MS1_64_001 appropriately.
583 (ms1_machine_reorg): Use TARGET_MS2.
585 2005-12-13 Jakub Jelinek <jakub@redhat.com>
587 PR debug/25023
588 PR target/25293
589 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
590 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
591 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
592 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
593 Set mode to SI, adjust constraints.
594 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
595 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
596 32-bit code.
598 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
600 * c-cppbuiltin.c (builtin_define_float_constants): Add
601 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
602 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
603 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
604 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
605 to "((double)%sL)" otherwise "%s".
607 2005-12-13 Paul Brook <paul@codesourcery.com>
609 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
610 apcs/atpcs.
612 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
614 * tree-flow.h: Allow compilation with a C++ compiler.
615 (struct edge_prediction): Prefix all field names with "ep_".
616 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
617 (tree_predict_edge, combine_predictions_for_bb): Likewise.
618 (remove_predictions_associated_with_edge): Likewise.
620 2005-12-12 Jeff Law <law@redhat.com>
622 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
623 reassociation code.
624 * passes.c (init_optimization_passes): Run reassociation again
625 after loop optimizations.
627 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
629 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
630 if necessary.
631 (optimize_stmt): Ditto.
632 (canonicalize_comparison): New function.
633 * tree-ssa-operands.c (swap_tree_operands): Make external.
634 (get_expr_operands): Stop auto-canonicalization.
635 * tree-ssa-reassoc.c: Rewrite.
636 (init_optimization_passes):
637 * tree-flow.h (swap_tree_operands): Prototype.
638 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
640 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
642 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
643 indicate function epilogue has been output.
644 (pa_asm_output_mi_thunk): Likewise.
645 (output_deferred_plabels): Put plabels in readonly data section when
646 not generating PIC code.
647 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
648 information. Add assert.
649 (som_output_comdat_data_section_asm_op): New function.
650 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
651 instead of output_section_asm_op for COMDAT sections.
653 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
655 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
656 Fix whitespace in vincinity of to-be-installed changes.
657 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
658 (insns_match_p): Likewise.
660 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
662 * config.gcc (ms1): Replace with ...
663 (mt): ... this.
664 * config/ms1: Rename to ...
665 * config/mt: ... here. Rename ms1 files to mt.
666 * config/mt/mt.c: Adjust gt-mt.h #include.
667 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
668 (crti.o, crtn.o): Adjust file names.
670 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
672 * varray.h: Allow compilation with a C++ compiler.
673 (union varray_data_tag): Prefix all field names with "vdt_".
674 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
675 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
676 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
677 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
678 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
679 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
680 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
681 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
682 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
683 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
684 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
685 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
686 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
687 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
688 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
689 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
690 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
691 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
692 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
693 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
694 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
695 VARRAY_TOP_TREE_PTR): Likewise.
696 * varray.c (varray_grow): Likewise.
697 (varray_clear): Likewise.
699 2005-12-12 Alan Modra <amodra@bigpond.net.au>
701 PR target/25299
702 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
703 alignment to doubleword if the first field is a double array.
704 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
706 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
708 * tree-ssa-structalias.c (process_constraint): Remove code to
709 transform addressofs into scalar.
710 (create_variable_info_for): In whole-program IPA, globals don't
711 point to ANYTHING by default.
713 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
715 * timevar.def (TV_IPA_PTA): New.
716 * tree-pass.h (pass_ipa_pta): New
717 * tree-ssa-structalias.c: Include cgraph.h
718 (in_ipa_mode): New.
719 (predbitmap_obstack): New.
720 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
721 (struct constraint_stats): Add num_edges.
722 (new_var_info): Don't call bitmap_clear.
723 (struct constraint_edge): Update docs.
724 (new_constraint_edge): Remove src param.
725 (struct constraint_graph): Add zero_weight_succs,
726 zero_weight_preds. Update docs.
727 (constraint_expr_equal): Reformat.
728 (constraint_edge_equal): Update for removal of src.
729 (constraint_edge_less): Ditto.
730 (constraint_edge_vec_find): Ditto.
731 (erase_graph_self_edge): Update for removal of src and and zero
732 weight bitmap.
733 (clear_edges_for_node): Ditto.
734 (add_graph_edge): Ditto.
735 (get_graph_weights): Ditto.
736 (allocate_graph_weights): Ditto.
737 (merge_graph_nodes): Ditto.
738 (int_add_graph_edge): Ditto.
739 (valid_graph_edge): Ditto.
740 (valid_weighted_graph_edge): Ditto.
741 (build_constraint_graph): Ditto.
742 (scc_visit): Ditto.
743 (collapse_nodes): Ditto.
744 (process_unification_queue): Ditto.
745 (topo_visit): Ditto.
746 (solve_graph): Ditto.
747 (do_structure_copy): Ditto.
748 (perform_var_substitution): Ditto.
749 Init and release obstack.
750 (handle_ptr_arith): Try to resolve directly.
751 (find_func_aliases): Don't call update_alias_info here
752 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
753 (do_sd_constraint): Add code for propagating faster.
754 Update.
755 (do_ds_constraint): Ditto.
756 (count_num_arguments): New function.
757 (create_function_info_for): Ditto.
758 (create_variable_info_for): Handle FUNCTION_DECL.
759 (intra_create_variable_infos): Use make_constraint_to_anything.
760 (init_alias_vars): Init obstacks here.
761 (need_to_solve): Handle zero weight graph changes.
762 (compute_points_to_sets): Call update_alias_info here.
763 (delete_points_to_sets): Free zero weight preds/succs here.
764 (gate_ipa_pta): New.
765 (ipa_pta_execute): New
767 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
769 * tree-ssa-structalias.c (var_anyoffset): Removed.
770 (anyoffset_tree): Ditto.
771 (anyoffset_id): Ditto.
772 (do_deref): Take vector of constraints, no return value.
773 Update to work on vector.
774 (get_constraint_for): Ditto.
775 (get_constraint_for_component_ref): Ditto.
776 (do_structure_copy): Ditto.
777 (handle_ptr_arith): Ditto.
778 (find_func_aliases): Ditto.
779 (set_uids_in_ptset): Remove anyoffset handling.
780 (init_base_vars): Ditto.
782 2005-12-10 Mark Mitchell <mark@codesourcery.com>
784 PR c++/25010
785 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
786 DECL_EXTERNAL functions have no bodies. Tidy.
788 2005-12-10 Andreas Schwab <schwab@suse.de>
790 * except.c (switch_to_exception_section): Only define if
791 TARGET_UNWIND_INFO is not defined.
793 2005-12-10 Richard Sandiford <richard@codesourcery.com>
795 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
796 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
798 2005-12-10 Richard Sandiford <richard@codesourcery.com>
800 * output.h (init_section, fini_section): Delete.
801 * varasm.c (init_section, fini_section): Delete.
802 (init_varasm_once): Don't initialize them.
803 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
804 there are no corresponding varasm.c variables.
806 2005-12-10 Richard Sandiford <richard@codesourcery.com>
808 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
809 of EH_FRAME_SECTION_NAME into...
810 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
811 if it is still null.
812 * except.c (default_exception_section): Delete, moving most
813 of the code to...
814 (switch_to_exception_section): ...this new function. Set
815 exception_section if it is still null, then switch to it.
816 (output_function_exception_table): Use switch_to_exception_section.
817 * varasm.c (exception_section, eh_frame_section): Update comments.
818 (get_section): Hoist use of SECTION_NAMED.
819 (init_varasm_once): Don't set exception_section and eh_frame_section.
820 * output.h (default_exception_section): Delete.
821 (default_eh_frame_section): Delete.
823 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
825 * config/bfin/bfin.c: Include "cgraph.h".
826 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
827 Return the reg that holds the pointer to the GOT.
828 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
829 doing stack checking.
831 2005-12-09 Diego Novillo <dnovillo@redhat.com>
833 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
834 recompute_tree_invarant_for_addr_expr.
835 Update uses everywhere.
837 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
839 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
840 (MULTILIB_DIRNAMES): Define.
842 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
844 PR target/25311
845 * config/s390/s390.c (struct s390_address): New field literal_pool.
846 (s390_decompose_address): Compute literal_pool field. Do not
847 assume register %r13 is always (and solely) used as pool base.
848 (s390_extra_constraint_str): Use literal_pool field.
850 2005-12-09 Thiemo Seufer <ths@networkno.de>
852 * config/mips/mips.c (override_options): Don't allow too small
853 integers in FP registers.
855 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
857 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
858 targetm.binds_local_p to check for local function calls.
860 2005-12-09 Alan Modra <amodra@bigpond.net.au>
862 PR debug/24908
863 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
864 call_used_regs can't be used to save reg in another reg.
866 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
867 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
869 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
870 abort.
871 * except.c (output_ttype): Likewise.
872 * tree-object-size.c (collect_object_sizes_for): Likewise.
873 (check_for_plus_in_loops_1): Likewise.
874 (check_for_plus_in_loops): Likewise.
875 (compute_object_sizes): Use gcc_unreachable instead of abort.
877 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
879 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
880 (loop_end, loop_init, doloop_end): New insns.
881 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
882 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
883 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
884 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
885 * config/ms1/ms1.c: #include basic-block.h
886 (struct machine_function): Add has_loops field.
887 (ms1_add_loop): New.
888 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
889 (struct loop_info, struct loop_work): New.
890 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
891 (ms1_reorg_loops): New loop optimization.
892 (ms1_machine_reorg): Call it.
893 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
895 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
897 PR tree-optimization/25248
898 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
899 evolution_of_loop from the failed attempt. Remove handling
900 of MULT_EXPR.
902 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
904 * tree.h (DECL_EXTERNAL): Clarify documentation.
906 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
907 Jakub Jelinek <jakub@redhat.com>
909 PR target/25268
910 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
911 argument. Don't drop outer ANDs.
912 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
913 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
914 prototype.
915 * config/s390/predicates.md (setmem_operand): Remove.
916 (shift_count_operand): Rename to...
917 (shift_count_or_setmem_operand): ... this. Adjust
918 s390_decompose_shift_count caller.
919 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
920 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
921 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
922 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
923 rotl<mode>3_and, setmem_long_and): New insns.
924 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
925 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
926 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
927 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
928 of shift_count_operand.
929 (setmem_long): Use shift_count_or_setmem_operand instead of
930 setmem_operand.
932 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
933 Andreas Tobler <a.tobler@schweiz.ch>
935 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
936 tr expression.
938 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
940 * expr.c (force_operand): Use convert_to_mode for conversions.
942 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
944 * reload.h (reg_equiv_invariant): Declare.
945 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
946 register also when reg_equiv_invariant[R] is set.
948 2005-12-07 Richard Sandiford <richard@codesourcery.com>
949 Andreas Tobler <a.tobler@schweiz.ch>
951 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
953 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
955 * tree-ssa-pre.c (bitmap_set_and): New function.
956 (bitmap_set_and_compl): New function.
957 (bitmap_set_empty_p): New function.
958 (insert_extra_phis): New function.
959 (compute_avail): Use insert_extra_phis.
961 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
963 * config/s390/s390.c (s390_expand_atomic): New function.
964 Adjust comment of helper functions.
965 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
966 * config/s390/s390.md ("ATOMIC"): New code macro.
967 ("atomic"): Corresponding new code attribute.
968 ("sync_lock_test_and_set[hq]i",
969 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
971 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
973 * config/s390/s390.c (s390_expand_mask_and_shift,
974 struct alignment_context, init_alignment_context,
975 s390_expand_cs_hqi): New.
976 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
977 * config/s390/s390.md ("sync_compare_and_swaphi",
978 "sync_compare_and_swapqi"): New pattern.
980 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
982 Fix PR tree-optimization/25291
983 * tree-ssa-operands.c (add_call_clobber_ops): Remove
984 redundant and crashing check.
986 2005-12-08 Alan Modra <amodra@bigpond.net.au>
988 PR target/25212
989 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
990 tests further when !strict && reload_in_progress.
991 (print_operand): Check that both operands of indexed address are regs.
992 (print_operand_address): Likewise.
993 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
994 (INT_REG_OK_FOR_BASE_P): Correct.
996 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
998 Preparation for PR rtl-optimization/20070 / part1
999 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1000 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1001 outgoing_edges_match.
1002 (outgoing_edges_match): Use condjump_equiv_p.
1003 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1004 into..
1005 * struct-equiv.c: New file.
1006 (death_notes_match_p) New function, broken out of insns_match_p.
1007 * Makefile.in (OBJS-common): Add struct-equiv.o.
1008 (struct-equiv.o): New target.
1010 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1012 * coretypes.h: Revert previous change.
1013 * config/darwin.h: Revert previous reversion.
1014 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1016 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1018 * coretypes.h (section): Provide dummy definition for target files.
1019 * config/darwin.h: Revert previous change.
1021 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1023 * doc/sourcebuild.texi (all.build, install-normal): Remove.
1024 * configure.ac: Remove all.build and install-normal from target_list
1025 * configure: Regenerate.
1026 * Makefile.in (install): Don't depend on install-normal.
1028 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1030 * Makefile.in: Document the use of stamps.
1032 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1034 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1035 * Makefile.in: Add code to compute some dependencies on s-gtype
1036 automatically. Remove the declaration of those dependencies.
1038 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1040 * gcc/reload.c (push_secondary_reload): Fix typo:
1041 s/insn_constraint/scratch_constraint/.
1043 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1045 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1047 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1049 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1050 (alpha_elf_select_rtx_section): Return the selected section rather
1051 than emitting assembly code.
1052 (alpha_write_linkage): Emit a ".link" directive directly and then
1053 set in_section to NULL.
1054 (vms_asm_out_constructor): Use switch_to_section.
1055 (vms_asm_out_destructor): Likewise.
1056 (unicosmk_output_common): Set in_section to NULL instead of calling
1057 the dummy common_section function.
1058 (unicosmk_text_section): Delete in favor of...
1059 (unicosmk_output_text_section_asm_op): ...this new function.
1060 (unicosmk_data_section): Delete in favor of...
1061 (unicosmk_output_data_section_asm_op): ...this new function.
1062 (unicosmk_init_sections): New function.
1063 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1064 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1065 the dummy ssib_section function.
1066 (unicosmk_section_buf): Delete.
1067 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1068 (unicosmk_data_section): Delete.
1069 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1070 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1071 (SECTION_FUNCTION_TEMPLATE): Delete.
1072 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1073 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1074 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1075 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1076 (TARGET_ASM_INIT_SECTIONS): Define.
1077 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1078 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1079 (link_section, literals_section): Delete.
1080 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1081 set in_section to NULL.
1083 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1084 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1085 (COMMON_SECTION): Delete.
1086 (TARGET_ASM_INIT_SECTIONS): Define.
1087 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1088 the dummy common_section function.
1089 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1090 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1091 between readonly_data_section and text_section to check whether
1092 read-only data is being put in the text section.
1093 (arm_output_function_epilogue): Use switch_to_section.
1094 (arm_elf_asm_constructor): Likewise.
1095 (thumb_call_via_reg): Replace call to in_text_section with
1096 a comparison between in_section and text_section.
1097 (arm_file_end): Use switch_to_section.
1098 (aof_text_section): Delete in favor of...
1099 (aof_output_text_section_asm_op): ...this new function.
1100 (aof_data_section): Delete in favor of...
1101 (aof_output_data_section_asm_op): ...this new function.
1102 (aof_asm_init_sections): New function.
1103 (zero_init_section): Moved from config/arm/aof.h.
1104 (aof_dump_imports, aof_file_start): Use switch_to_section.
1105 * config/arm/arm.h (thumb_call_via_label): Update comment.
1106 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1107 (common_section): Delete.
1108 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1109 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1110 global switch_to_section function instead of the old port-local one.
1111 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1112 (SWITCH_TO_SECTION_FUNCTION): Delete.
1113 (drectve_section): Redefine as a macro.
1114 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1115 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1116 switch_to_section.
1118 * config/avr/avr.c (progmem_section): New variable.
1119 (avr_output_progmem_section_asm_op): New function.
1120 (avr_asm_init_sections): New function.
1121 (avr_output_addr_vec_elt): Use switch_to_section.
1122 * config/avr/avr.h (progmem_section): Declare.
1123 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1124 (READONLY_DATA_SECTION): Delete.
1125 (TARGET_ASM_INIT_SECTIONS): Define.
1126 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1127 * config/avr/avr-protos.h (progmem_section): Delete.
1129 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1131 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1132 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1134 * config/darwin-sections.def: New file.
1135 * config/darwin.c: Define all sections in darwin-sections.def.
1136 (output_objc_section_asm_op, darwin_init_sections): New functions.
1137 (machopic_output_indirection): Use switch_to_section.
1138 (machopic_select_section): Return the selected section rather than
1139 emitting assembly code. Replace the static function table with
1140 inline conditional expressions. Update the tests of last_text_section
1141 and move them into the FUNCTION_DECL block.
1142 (machopic_select_rtx_section): Return the selected section rather than
1143 emitting assembly code.
1144 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1145 (darwin_file_end): Use switch_to_section.
1146 * config/darwin.h: Use darwin-sections.def to declare sections.
1147 (INIT_SECTION_ASM_OP): Remove empty definition.
1148 (HAS_INIT_SECTION): Define this instead.
1149 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1150 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1151 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1152 (TARGET_ASM_INIT_SECTIONS): Define.
1153 * config/darwin-protos.h (darwin_init_sections): Declare.
1154 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1155 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1156 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1157 (constructor_section, destructor_section, mod_init_section): Delete.
1158 (mod_term_section): Delete.
1159 (darwin_exception_section, darwin_eh_frame_section): Delete.
1160 (machopic_select_section): Return a section.
1161 (machopic_select_rtx_section): Likewise.
1162 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1163 (const_section, const_coal_section, const_data_section): Delete.
1164 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1165 (literal4_section, literal8_section, constructor_section): Delete.
1166 (mod_init_section, mod_term_section, destructor_section): Delete.
1167 (objc_class_section, objc_meta_class_section, objc_category_section)
1168 (objc_class_vars_section, objc_instance_vars_section): Delete.
1169 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1170 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1171 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1172 (objc_symbols_section, objc_module_info_section): Delete.
1173 (objc_image_info_section, objc_protocol_section): Delete.
1174 (objc_string_object_section, objc_constant_string_object_section)
1175 (objc_class_names_section, objc_meth_var_names_section): Delete.
1176 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1177 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1178 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1179 (darwin_exception_section, darwin_eh_frame_section): Delete.
1180 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1182 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1183 (frv_asm_out_destructor): Likewise.
1184 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1185 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1186 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1187 get_named_section.
1188 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1189 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1190 (data_section): Delete.
1192 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1193 (DRECTVE_SECTION_FUNCTION): Delete.
1194 (drectve_section): Redefine as a macro that sets in_section after
1195 emitting the directive.
1196 (SWITCH_TO_SECTION_FUNCTION): Delete.
1197 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1198 in_text_section with comparison between in_section and text_section.
1199 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1200 rather than emitting assembly code. Use get_named_section.
1201 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1202 get_named_section.
1203 (machopic_output_stub): Use switch_to_section.
1204 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1205 (nwld_named_section_asm_out_destructor): Use get_section and
1206 switch_to_section.
1208 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1209 rather than emitting assembly code.
1210 (ia64_rwreloc_select_section): Likewise.
1211 (ia64_rwreloc_select_rtx_section): Likewise.
1212 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1213 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1214 switch_to_section.
1215 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1216 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1218 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1219 section rather than emitting assembly code.
1220 (iq2000_select_section): Likewise.
1221 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1222 (sbss_section): Delete.
1224 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1225 and get_named_section.
1226 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1228 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1229 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1230 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1231 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1232 in_section to NULL.
1233 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1234 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1235 global switch_to_section function instead of the old port-local one.
1236 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1237 (SWITCH_SECTION_FUNCTION): Delete.
1238 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1239 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1240 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1241 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1242 in_section to NULL.
1243 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1244 global switch_to_section function instead of the old port-local one.
1245 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1247 * config/mips/mips.c (mips_file_start): Update comment.
1248 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1249 (mips_output_aligned_decl_common): Use switch_to_section.
1250 (mips_select_rtx_section): Return the section rather than emitting
1251 assembly code. Use get_named_section.
1252 (mips_function_rodata_section: Likewise get_section.
1253 (build_mips16_function_stub): Use switch_to_section.
1254 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1255 (SDATA_SECTION_ASM_OP): Delete.
1256 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1257 (EXTRA_SECTION_FUNCTIONS): Delete.
1259 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1260 (mmix_asm_output_aligned_local): Use switch_to_section.
1262 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1263 (som_one_only_readonly_data_section): New variables.
1264 (pa_output_function_epilogue): Set in_section to NULL instead of
1265 calling forget_section.
1266 (output_deferred_plabels): Use select_section.
1267 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1268 of calling forget_section.
1269 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1270 (pa_asm_output_aligned_local): Use select_section.
1271 (som_text_section_asm_op): Delete in favor of...
1272 (som_output_text_section_asm_op): ...this new function.
1273 (pa_som_asm_init_sections): New function.
1274 (pa_select_section): Return the section rather than emitting
1275 assembly code.
1276 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1277 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1278 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1279 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1280 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1281 (som_readonly_data_section, som_one_only_readonly_data_section)
1282 (som_one_only_data_section, forget_section): Delete.
1283 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1284 (TARGET_ASM_INIT_SECTIONS): Define.
1285 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1287 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1288 (private_data_section, read_only_private_data_section): New variables.
1289 (sdata2_section, toc_section): New variables.
1290 (rs6000_file_start): Use switch_to_section.
1291 (rs6000_assemble_integer): Use comparisons against in_section
1292 instead of calling in_toc_section and in_text_section. Use
1293 unlikely_text_section_p.
1294 (rs6000_elf_output_toc_section_asm_op): New function, derived
1295 from the old rs6000/sysv4.h toc_section function.
1296 (rs6000_elf_asm_init_sections): New function.
1297 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1298 the section rather than emitting assembly code.
1299 (machopic_output_stub): Use switch_to_section.
1300 (toc_section): Delete dummy function.
1301 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1302 switch_to_section and get_section.
1303 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1304 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1305 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1306 the old rs6000/xcoff.h toc_section function.
1307 (rs6000_xcoff_asm_init_sections): New function.
1308 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1309 the section rather than emitting assembly code.
1310 (rs6000_xcoff_file_start): Use switch_to_section.
1311 (rs6000_xcoff_file_end): Likewise.
1312 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1313 (sdata2_section, sbss_section, private_data_section): Delete.
1314 (read_only_data_section, read_only_private_data_section): Delete.
1315 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1316 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1317 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1318 (FINI_SECTION_FUNCTION): Delete.
1319 (TARGET_ASM_INIT_SECTIONS): Define.
1320 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1321 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1322 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1323 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1324 (READONLY_DATA_SECTION): Delete.
1325 (TARGET_ASM_INIT_SECTIONS): Define.
1326 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1327 to NULL rather than no_section.
1328 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1330 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1332 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1333 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1334 from call to current_function_section.
1336 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1337 (bss100_section): New variable.
1338 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1339 (xstormy16_asm_init_sections): New function.
1340 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1341 switch_to_section and get_section.
1342 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1343 from calls to current_function_section.
1344 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1345 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1346 (TARGET_ASM_INIT_SECTIONS): Define.
1347 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1349 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1350 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1351 (FINI_SECTION_FUNCTION): Delete.
1353 * config/v850/v850.c: Include gt-v850.h.
1354 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1355 (zbss_section): New variables.
1356 (v850_output_aligned_bss): Use switch_to_section.
1357 (v850_asm_init_sections): New function.
1358 (v850_select_section): Return the section rather than emitting
1359 assembly code.
1360 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1361 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1362 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1363 (TARGET_ASM_INIT_SECTIONS): Define.
1364 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1365 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1366 (zbss_section): Delete.
1368 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1370 * config/vx-common.h (vxworks_exception_section): Delete.
1371 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1373 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1374 section rather than emitting assembly code.
1375 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1376 switch_to_section.
1378 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1379 * coretypes.h (section): New union and typedef.
1380 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1381 from call to current_function_section.
1382 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1383 (dbxout_symbol_location): Use switch_to_section.
1384 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1385 most of the code into...
1386 (default_eh_frame_section): ...here. Return a section.
1387 (collect2_eh_frame_section): Delete, moving most of the code into..
1388 (switch_to_eh_frame_section): ...this new function.
1389 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1390 (debug_macinfo_section, debug_line_section, debug_loc_section)
1391 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1392 variables.
1393 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1394 eh_frame_section. Use switch_to_section and get_section.
1395 (dwarf2out_begin_prologue): Use switch_to_section.
1396 (AT_string_form): Check the flags in debug_str_section instead of
1397 DEBUG_STR_SECTION_FLAGS.
1398 (output_comp_unit): Use switch_to_section, get_section, and
1399 debug_info_section.
1400 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1401 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1402 from call to current_function_section.
1403 (dwarf2out_var_location): Use unlikely_text_section_p.
1404 (dwarf2out_source_line): Use switch_to_section. Remove argument
1405 from call to current_function_section.
1406 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1407 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1408 debug_macinfo_section.
1409 (dwarf2out_init): Initialize the new section variables. Use them
1410 instead of calls to named_section_flags. Use switch_to_section.
1411 (output_indirect_string): Use switch_to_section and debug_str_section.
1412 (dwarf2out_finish): Use switch_to_section and the new section
1413 variables.
1414 * except.c (default_exception_section): Return the section instead
1415 of emitting assembly code.
1416 (output_function_exception_table): Use the global exception_section
1417 variable instead of the target hook. Use switch_to_section. Remove
1418 argument from call to current_function_section.
1419 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1420 (shorten_branches): Use pointer comparisons to detect whether the
1421 text section is the same as readonly_data_section.
1422 (profile_function): Use switch_to_section. Remove argument from
1423 call to current_function_section.
1424 (final_scan_insn): Likewise. Update use of last_text_section.
1425 * gengtype.c (open_base_files): Add an include of output.h.
1426 * output.h (text_section, data_section, readonly_data_section)
1427 (ctors_section, dtors_section, bss_section, init_section)
1428 (fini_section, sdata_section): Turn into section pointers.
1429 (in_text_section, in_unlikely_text_section, exports_section)
1430 (drectve_section, named_section, mergeable_string_section)
1431 (last_text_section_name): Delete.
1432 (default_exception_section, default_eh_frame_section): Return sections.
1433 (SECTION_DECLARED, SECTION_NAMED): New macros.
1434 (SECTION_MACH_DEP): Bump value.
1435 (section_common, named_section, unnamed_section): New structures.
1436 (unnamed_section_callback): New typedef.
1437 (section): New union.
1438 (sbss_section, exception_section, eh_frame_section): New variables.
1439 (in_section, last_text_section): Turn into section pointers.
1440 (get_unnamed_section, get_section, get_named_section): New functions.
1441 (mergeable_constant_section, function_section): Return a section.
1442 (unlikely_text_section): Likewise.
1443 (current_function_section): Likewise. Remove the decl argument.
1444 (unlikely_text_section_p, switch_to_section): New functions.
1445 (output_section_asm_op): New function.
1446 (set_named_section_flags, named_section_flags, named_section_real)
1447 (named_section_first_declaration): Delete.
1448 (default_select_section, default_elf_select_section): Return a section.
1449 (default_elf_select_section_1, default_function_rodata_section)
1450 (default_no_function_rodata_section, default_select_rtx_section)
1451 (default_elf_select_rtx_section): Likewise.
1452 * rtl.h (in_data_section): Delete.
1453 * sdbout.c (sdbout_one_type): Use switch_to_section.
1454 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1455 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1456 (TARGET_ASM_EH_FRAME_SECTION): Poison.
1457 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1458 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1459 (TARGET_ASM_OUT): Update after above changes.
1460 * target.h (init_sections): New hook.
1461 (exception_section, eh_frame_section): Delete.
1462 (select_section, select_rtx_section, function_rodata_section): Return
1463 a section rather than emitting assembly code.
1464 * varasm.c (text_section, data_section, readonly_data_section)
1465 (ctors_section, dtors_section, bss_section, init_section)
1466 (fini_section): Turn into section pointers.
1467 (sdata_section, sbss_section, exception_section): New variables.
1468 (eh_frame_section): New variable.
1469 (in_section): Make global and turn into a section pointer.
1470 (last_text_section): Turn into a section pointer.
1471 (unnamed_sections): New variable.
1472 (in_named_name, last_text_section_name): Delete.
1473 (EXTRA_SECTION_FUNCTIONS): Delete.
1474 (in_named_entry): Delete.
1475 (section_htab): New variable, replacing...
1476 (in_named_htab): ...this deleted variable.
1477 (section_entry_eq, section_entry_hash): New functions, based on...
1478 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1479 (get_unnamed_section, get_section): New functions.
1480 (unlikely_text_section): Return a section instead of emitting
1481 assembly code.
1482 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1483 (get_named_section_flags, named_section_first_declaration): Delete.
1484 (unlikely_text_section_p): New function.
1485 (named_section_real, named_section): Delete.
1486 (get_named_section): New function.
1487 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1488 (function_section): Return a section rather than emitting
1489 assembly code.
1490 (current_function_section): Likewise. Remove argument. Use
1491 last_text_section if nonnull, otherwise use function_section.
1492 (default_function_rodata_section): Return a section rather than
1493 emitting assembly code. Use get_section.
1494 (default_no_function_rodata_section): Return a section rather than
1495 emitting assembly code.
1496 (variable_section): Use switch_to_section and get_named_section.
1497 (mergeable_string_section): Return a section rather than emitting
1498 assembly code. Use get_section. Make static. Don't take special
1499 countermeasures for empty strings.
1500 (mergeable_constant_section): Return a section rather than emitting
1501 assembly code. Use get_section.
1502 (default_named_section_asm_out_destructor): Use switch_to_section
1503 and get_section.
1504 (default_dtor_section_asm_out_destructor): Use switch_to_section.
1505 (default_named_section_asm_out_constructor): Use switch_to_section
1506 and get_section.
1507 (default_ctor_section_asm_out_constructor): Use switch_to_section.
1508 (assemble_start_function): Likewise. Set last_text_section to
1509 NULL rather than no_section. Change the type of save_section.
1510 (assemble_zeros, assemble_variable): Use the section flags to detect
1511 whether or not a section is text.
1512 (assemble_static_space): Use switch_to_section.
1513 (assemble_trampoline_template): Likewise.
1514 (output_constant_def_contents): Use switch_to_section and
1515 get_named_section.
1516 (output_constant_pool_1): Use switch_to_section. Use the section
1517 flags to see whether sections contain mergeable data.
1518 (init_varasm_once): Initialize section_htab instead of in_named_htab.
1519 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
1520 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1521 whether a section has already been declared.
1522 (default_select_section, default_elf_select_section): Return a
1523 section rather than emitting assembly code.
1524 (default_elf_select_section_1): Likewise. Use bss_section for
1525 SECCAT_BSS if nonnull. Use get_named_section.
1526 (default_select_rtx_section): Return a section rather than
1527 emitting assembly code.
1528 (default_elf_select_rtx_section): Likewise. Use get_named_section.
1529 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1530 (output_section_asm_op, switch_to_section): New functions.
1531 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1532 get_named_section.
1534 * doc/tm.texi: Expand the introduction to the sections documentation.
1535 (TRAMPOLINE_SECTION): Document new interface.
1536 (SDATA_SECTION_ASM_OP): Document new macro.
1537 (READONLY_DATA_SECTION): Delete.
1538 (SDATA_SECTION_ASM_OP): Document new macro.
1539 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1540 (TARGET_ASM_INIT_SECTIONS): Document new hook.
1541 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1542 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1543 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1545 2005-12-07 Alan Modra <amodra@bigpond.net.au>
1547 * gcc.c (init_gcc_specs): Match braces inside conditionally
1548 compiled strings.
1550 2005-12-06 Geoffrey Keating <geoffk@apple.com>
1552 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1554 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
1556 PR C++/24138
1557 * tree.c (integer_all_onesp): Always return true if all bits on.
1559 * testsuite/g++.dg/init/array0.C: New.
1561 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
1563 * doc/md.texi: Adapt to implementation.
1565 2005-12-06 Andreas Schwab <schwab@suse.de>
1567 * opts.c (decode_options): Fix typo in message.
1569 2005-12-06 Alan Modra <amodra@bigpond.net.au>
1571 PR other/13873
1572 * longlong.h: Merge PPC tests from upstream.
1574 2005-12-06 Richard Guenther <rguenther@suse.de>
1576 * fold-const.c (fold_convert): Do not build and fold
1577 CONVERT_EXPR, but always use NOP_EXPR.
1579 2005-12-06 Jan Beulich <jbeulich@novell.com>
1581 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1582 __builtin_ia32_paddq and __builtin_ia32_subq.
1583 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1584 __builtin_ia32_pshufw.
1585 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1587 2005-12-05 James E Wilson <wilson@specifix.com>
1589 PR target/24934
1590 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1591 is set.
1593 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
1595 * print-tree.c (print_node): Ditto.
1596 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1597 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1598 before accessing DECL_ARTIFICIAL.
1599 Handle new tag tree codes.
1600 * tree-flow-inline.h (clear_call_clobbered): Update for tag
1601 changes.
1602 (unmodifiable_var_p): Ditto.
1603 * tree-flow.h (mem_tag_kind): Remove.
1604 (struct var_ann_d): Remove mem_tag_kind member.
1605 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1606 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1607 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1608 (group_aliases): Ditto.
1609 (setup_pointers_and_addressables): Ditto.
1610 (is_escape_site): Ditto.
1611 (may_alias_p): Ditto.
1612 (create_tag_raw): New function.
1613 (create_memory_tag): Use it.
1614 (dump_alias_info): Update for tags.
1615 (may_be_aliased): Ditto.
1616 (add_type_alias): Ditto.
1617 (new_type_alias): Ditto.
1618 (create_sft): Ditto.
1619 (create_structure_vars): Ditto.
1620 * tree-ssa-ccp.c (get_default_value): Ditto.
1621 * tree-ssa-operands.c (get_expr_operands): Ditto.
1622 (add_stmt_operand): Ditto.
1623 (add_call_clobber_ops): Remove duplicated condition.
1624 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1625 tags.
1626 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1627 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1628 * tree.c (init_ttree): Update structures for new tree codes.
1629 (tree_code_size): Update sizes for new tree codes.
1630 (make_node_stat): Don't try to set common things on minimal
1631 structures.
1632 (tree_node_structure): Update for tags.
1633 (is_global_var): Ditto.
1634 * tree.def: Add new tree codes.
1635 * tree.h (MTAG_P): New macro.
1636 (TREE_MEMORY_TAG_CHECK): Ditto.
1637 (SSA_VAR_P): Update for tags.
1638 (struct tree_memory_tag): New structure.
1639 (MTAG_GLOBAL): New macro.
1640 (union tree_node): Add memory tag member.
1641 * treestruct.def (TS_MEMORY_TAG): New.
1643 2005-12-05 Dale Johannesen <dalej@apple.com>
1645 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
1646 what was approved (PR 24323).
1648 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
1650 * doc/c-tree.texi (Function Bodies): Remove description of
1651 RETURN_INIT.
1653 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
1655 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1656 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1657 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1658 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1659 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1660 __divxc3): Document.
1662 2005-12-05 Geoffrey Keating <geoffk@apple.com>
1664 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1665 previous behaviour.
1666 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1667 hook_bool_void_false.
1668 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1669 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1671 * config/darwin.c (machopic_select_section): It's not defined
1672 as weak if it's only marked as weak_import.
1674 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1675 Prototype.
1677 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1678 A hidden weak object does bind locally. Strong linkonce data
1679 counts like any other strong symbol for binding.
1680 (weak_finish_1): Don't specially handle weakrefs, they no longer
1681 arrive here.
1682 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1683 * c-common.c (handle_alias_attribute): Allow static aliases
1684 of variables.
1685 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1686 * gthr-dce.h: Make weakrefs static.
1687 * gthr-tpf.h: Likewise.
1688 * gthr-solaris.h: Likewise.
1689 * gthr-posix.h: Likewise.
1690 * gthr-posix95.h: Likewise.
1691 * config/darwin.c (darwin_encode_section_info): static weakref
1692 variables are not necessarily defined in this translation unit.
1693 * doc/extend.texi (Function Attributes): Mention that an alias
1694 attribute creates a definition for the thing it's attached to.
1695 Change the documentation for weakref to say that the thing
1696 it's attached to must be static.
1698 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1699 we don't go into an infinite loop.
1701 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
1703 * config/rs6000/predicates.md (logical_const_operand): Split
1704 out of logical_operand.
1705 (logical_operand): Use it.
1706 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1707 logical_const_operand.
1709 2005-12-05 Jan Beulich <jbeulich@novell.com>
1711 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1712 and IX86_BUILTIN_CMPNESS.
1713 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1714 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1715 * config/i386/i386.md (movti_internal): Correct type attribute.
1716 Simplify mode attribute.
1717 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1718 Correct type attribute.
1719 (absxf2): Correct operator.
1720 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1721 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1722 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1723 mode attribute.
1724 (sse2_vmsqrtv2df2): Correct mode attribute.
1726 2005-12-05 Jan Beulich <jbeulich@novell.com>
1728 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1729 16 bits. Provide insn pattern for this case.
1731 2005-12-05 Jan Beulich <jbeulich@novell.com>
1733 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1734 result.
1735 (__popcountDI2): Likewise.
1737 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1739 PR target/25166
1740 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1741 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1742 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1743 functions.
1745 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1747 * c-typeck.c (null_pointer_constant_p): New function.
1748 (build_conditional_expr, build_c_cast, convert_for_assignment,
1749 build_binary_op): Use it.
1751 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1753 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1754 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1755 CONVERT_EXPR.
1756 (check_function_arguments_recurse): Allow both NOP_EXPR and
1757 CONVERT_EXPR but check conversions preserve precision.
1758 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1759 but check conversions preserve precision.
1760 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
1761 default case.
1763 2005-12-04 Roger Sayle <roger@eyesopen.com>
1765 PR c/7776
1766 * common.opt (Wstring-literal-comparison): New command line option.
1767 * c-opts.c (c_common_handle_option): Set it with -Wall.
1768 * c-typeck.c (parser_build_binary_op): Issue warning if either
1769 operand of a comparison operator is a string literal, except for
1770 testing equality or inequality against NULL.
1772 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1774 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1776 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1777 of building a NOP_EXPR.
1778 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
1779 NOP_EXPR.
1780 * c-convert.c (convert): Use fold_convert instead of building
1781 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
1782 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
1783 #if 0 code.
1784 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1785 NOP_EXPR the same as CONVERT_EXPR.
1786 * c-typeck.c (build_function_call): Use fold_convert instead of
1787 building a NOP_EXPR directly.
1788 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1790 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1792 PR rtl-optimization/25197
1793 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1794 have a reg.
1796 2005-12-02 Stuart Hastings <stuart@apple.com>
1798 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1799 warning.
1801 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1803 * c-typeck.c (default_function_array_conversion,
1804 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1805 (build_conditional_expr): Apply integer_zerop to orig_op1 and
1806 orig_op2. Don't check them for NOP_EXPR.
1807 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1808 around integer zero.
1810 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1812 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1813 toc_save_offset, toc_size, lr_size.
1814 (rs6000_stack_info): Use memset rather than bss struct copy to init.
1815 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1816 Adjust for removal of unused rs6000_stack_t fields.
1817 (debug_stack_info): Adjust.
1818 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
1819 first, and don't bother checking for set/inc of lr on sibcalls.
1820 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1822 2005-12-02 Jakub Jelinek <jakub@redhat.com>
1824 PR target/25199
1825 * config/i386/i386.md (movqi_1): Only force imovx for alternative
1826 5 if operand 1 is not aligned. Undo previous constraint change.
1827 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1829 2005-12-02 Richard Guenther <rguenther@suse.de>
1831 * tree.h (build): Remove prototype.
1832 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1833 * tree.c (build): Remove.
1834 (build0_stat): Update comment.
1836 2005-12-02 Richard Guenther <rguenther@suse.de>
1838 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1839 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1840 Likewise.
1841 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1842 maybe_fold_offset_to_component_ref): Likewise.
1843 * tree-ssa-dom.c (thread_across_edge,
1844 simplify_rhs_and_lookup_avail_expr,
1845 find_equivalent_equality_comparison, record_equivalences_from_stmt):
1846 Likewise.
1847 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1848 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1849 lower_try_finally_switch): Likewise.
1850 * tree-if-conv.c (add_to_dst_predicate_list,
1851 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1852 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1853 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1854 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1855 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1856 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1857 gimplify_init_ctor_eval, gimplify_init_constructor,
1858 gimplify_variable_sized_compare, gimplify_boolean_expr,
1859 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1860 gimplify_expr, gimplify_body, gimplify_function_tree,
1861 force_gimple_operand): Likewise.
1862 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1863 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1864 mx_register_decls): Likewise.
1865 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1866 get_frame_field, finalize_nesting_tree_1): Likewise.
1867 * tree-inline.c (setup_one_parameter): Likewise.
1868 * tree-vect-transform.c (vectorizable_condition): Likewise.
1869 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1870 Likewise.
1871 * tree-profile.c (tree_gen_edge_profiler): Likewise.
1872 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1873 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1874 * tree-chrec.h (build_polynomial_chrec): Likewise.
1876 2005-12-02 Richard Guenther <rguenther@suse.de>
1878 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1879 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1880 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1881 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1882 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1883 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1884 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1885 Likewise.
1886 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1887 sh_adjust_unroll_max): Likewise.
1888 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1889 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1890 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1891 Likewise.
1892 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1893 Likewise.
1894 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1895 Likewise.
1897 2005-12-02 Richard Guenther <rguenther@suse.de>
1899 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1900 simplify_cond_using_ranges): Use buildN instead of build.
1901 * tree-tailcall.c (adjust_accumulator_values,
1902 adjust_return_value): Likewise.
1903 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1904 generate_element_copy, generate_element_zero,
1905 generate_one_element_init): Likewise.
1906 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1907 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1908 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1909 perfect_nestify): Likewise.
1911 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1913 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1915 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
1917 * ggc.h (GGC_RESIZEVEC): New.
1919 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1921 * gcc.c (execute): Improve readability.
1923 2005-12-02 Richard Guenther <rguenther@suse.de>
1925 * tree-cfg.c (mark_used_vars): New function.
1926 (dump_function_to_file): Dump only used VAR_DECLs.
1928 2005-12-02 Richard Guenther <rguenther@suse.de>
1930 * convert.c (convert_to_integer): Fix compare for nonpositive
1931 constant to use tree_int_cst_sgn <= 0.
1933 2005-12-02 Richard Guenther <rguenther@suse.de>
1935 * convert.c (convert_to_integer): Use fold_convert instead
1936 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
1937 instead of comparing against 0. Use build_int_cst instead
1938 of converting integer_zero_node.
1940 2005-12-02 Richard Guenther <rguenther@suse.de>
1942 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1943 and RROTATE_EXPR.
1945 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1947 PR target/21017
1948 * combine.c (simplify_logical <IOR>): Simplify more patterns to
1949 rotates.
1951 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1953 PR middle-end/25176
1954 * function.c (expand_function_end): Emit blockage for unwinder
1955 after return label.
1957 2005-12-01 Roger Sayle <roger@eyesopen.com>
1959 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1960 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1961 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1962 integer constant comparisons.
1964 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
1965 Janis Johnson <janis187@us.ibm.com>
1966 David Edelsohn <dje@watson.ibm.com>
1967 Ben Elliston <bje@au.ibm.com>
1969 * dfp.h, dfp.c: New files.
1970 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1971 (DECNUM_H): Likewise.
1972 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1973 (INCLUDES): Append $(DECNUMINC).
1974 (OBJS-common): Add dfp.o.
1975 (dfp.o): New rule.
1976 * real.h (EXP_BITS): Pinch one bit to ..
1977 (struct real_value): Add decimal field.
1978 (real_format): Change table size, update documentation.
1979 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1980 (real_from_string3): Declare.
1981 (decimal_single_format): Declare.
1982 (decimal_double_format): Declare.
1983 (decimal_quad_format): Declare.
1984 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1985 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1986 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1987 * real.c: Include dfp.h.
1988 (normalize): Early return for decimal floats.
1989 (do_add): Zero decimal field.
1990 (do_compare): Call do_decimal_compare for decimal floats.
1991 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1992 (real_arithmetic): Call decimal_real_arithmetic for decimal
1993 floating point operands.
1994 (real_identical): If a and b are of differing radix, return false.
1995 (real_to_integer): Call decimal_real_to_integer if the value is a
1996 decimal float.
1997 (real_to_integer2): Likewise, call decimal_real_to_integer2.
1998 (real_to_decimal): Likewise, call decimal_real_to_decimal.
1999 (real_to_hexadecimal): Place "N/A" in the return string for
2000 decimal float.
2001 (real_from_string3): New variant, given a mode.
2002 (real_maxval): Use decimal_real_maxval for decimal floats.
2003 (round_for_format): Use decimal_round_for_format for decimals.
2004 (real_convert): Use decimal_real_convert where appropriate.
2005 (significand_size): Handle base 10.
2006 (encode_decimal_single, decode_decimal_single,
2007 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2008 decode_decimal_quad): New functions.
2009 (decimal_single_format): New.
2010 (decimal_double_format): New.
2011 (decimal_quad_format): New.
2012 * machmode.def: Add SD, DD and TD decimal floating point modes.
2013 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2014 Include MODE_DECIMAL_FLOAT.
2015 (DECIMAL_FLOAT_MODE_P): New.
2016 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2017 * genmodes.c (struct mode_data): Add counter field.
2018 (struct mode_data): Update comment for format.
2019 (blank_mode): Initialise counter field.
2020 (new_mode): Increment counter field for each mode defined.
2021 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2022 using a format.
2023 (make_complex_modes): Handle modes containing `D'.
2024 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2025 (make_decimal_float_mode): New.
2026 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2027 (cmp_modes): Compare counter field if other characteristics
2028 similar.
2029 (emit_real_format_for_mode): Support formats for decimal floats.
2030 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2031 Document MODE_DECIMAL_FLOAT.
2033 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2035 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2036 Delete dead code.
2038 2005-12-01 Richard Henderson <rth@redhat.com>
2040 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2042 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2044 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2046 * config/pa/pa.c (pa_init_builtins): If we detect
2047 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2048 putc_unlocked.
2050 2005-12-01 Richard Guenther <rguenther@suse.de>
2052 * fold-const.c (fold_binary): Use fold_build2, not
2053 fold (build (...)).
2055 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2057 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2059 * vec.h (VEC_block_remove): New.
2061 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2063 PR c/13384
2064 * c-common.c (lvalue_error): Fix wording.
2066 2005-12-01 Richard Guenther <rguenther@suse.de>
2068 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2069 thinko in last patch.
2071 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2073 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2074 than -flat_namespace.
2076 2005-12-01 Ben Elliston <bje@au.ibm.com>
2078 * mklibgcc.in: Parameterise the script to build soft float
2079 functions by iterating over each type, rather than cloning the
2080 code for each type.
2082 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2084 PR middle-end/25158
2085 * builtins.c (fold_builtin_fputs): Defer check for missing
2086 replacement functions.
2088 2005-11-30 Kean Johnston <jkj@sco.com>
2090 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2091 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2093 2005-11-30 Richard Guenther <rguenther@suse.de>
2095 PR tree-optimization/22501
2096 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2097 function split out from ...
2098 (forward_propagate_addr_expr): ... here. Use it to propagate
2099 ADDR_EXPRs to all uses.
2101 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2103 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2104 * builtins.c (expand_builtin_mathfn): Use them.
2105 (expand_builtin_mathfn_2): Likewise.
2106 (expand_builtin_mathfn_3): Likewise.
2107 (expand_builtin_int_roundingfn): Likewise.
2108 (expand_builtin): Likewise.
2109 (integer_valued_real_p): Likewise.
2110 (fold_builtin_int_roundingfn): Likewise.
2111 (fold_builtin_bitop): Likewise.
2112 (fold_builtin_logarithm): Likewise.
2113 (fold_builtin_1): Likewise.
2114 * convert.c (convert_to_integer): Likewise.
2115 * fold-const.c (negate_mathfn_p): Likewise.
2116 (tree_expr_nonnegative_p): Likewise.
2118 2005-11-30 Dale Johannesen <dalej@apple.com>
2119 Andrew Pinski <pinskia@physics.uc.edu>
2121 * combine.c (find_split_point): Sign extend bitmask
2122 when changing bitfield assignment to IOR of AND.
2124 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2126 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2127 clobber to scratch reg.
2128 (*decrement_and_branch_until_zero_no_clobber): Remove.
2129 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2130 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2131 * config/ms1/ms1.opt (mmul): Remove.
2132 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2133 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2135 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2136 Bernd Schmidt <bernd.schmidt@analog.com>
2138 * pa/predicates.md (symbolic_operand): Add comment.
2139 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2140 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2141 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2142 (pa_secondary_reload_class): Delete.
2143 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2144 and pa_secondary_reload_class. Reorder some checks. Update inline
2145 copy of symbolic operand.
2146 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2148 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2150 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2151 jump.
2153 2005-11-30 Jeff Law <law@redhat.com>
2155 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2156 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2158 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2160 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2161 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2162 (ia64_expand_move): Adjust caller.
2164 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2165 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2166 negate VAL.
2168 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2170 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2171 Always produce an output if we can remove NEGs or canonicalize
2172 (minus (minus ...)) expressions. Provide a fast path for the
2173 two-operand case.
2174 (simplify_gen_binary): Do not call simplify_plus_minus.
2175 (simplify_binary_operation_1): Reassociate at the end of the
2176 function.
2178 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2180 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2181 moves and unpack to speed up.
2183 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2185 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2186 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2187 (gen_v9_scc): Update callers.
2188 * config/sparc/sparc.md: Likewise.
2189 * config/sparc/sparc-protos.h: Update extern declaration.
2191 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2193 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2195 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2196 the if.
2198 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2200 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2201 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2202 (negate_expr): Here.
2204 2005-11-29 Ben Elliston <bje@au.ibm.com>
2206 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2207 Fix typo in comment.
2209 2005-11-29 Ben Elliston <bje@au.ibm.com>
2211 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2212 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2214 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2216 PR middle-end/20109
2217 PR middle-end/25120
2218 * builtins.c (init_target_chars): New.
2219 (expand_builtin_printf, expand_builtin_fprintf,
2220 expand_builtin_sprintf, fold_builtin_sprintf,
2221 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2222 fold_builtin_snprintf_chk, fold_builtin_printf,
2223 fold_builtin_fprintf): Check for matching format strings using
2224 the target charset.
2226 2005-11-29 Paul Brook <paul@codesourcery.com>
2228 * config.gcc: Do not use fixproto on m68k-elf.
2230 2005-11-28 Roger Sayle <roger@eyesopen.com>
2232 * expmed.c (div_cost): Replace with...
2233 (sdiv_cost, udiv_cost): New.
2234 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2235 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2236 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2237 (expand_divmod): Replace use of div_cost with either sdiv_cost
2238 or udiv_cost depending upon the signedness of the operation.
2240 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2242 PR libfortran/24991
2243 * config/darwin.c (machopic_indirection_name,
2244 machopic_output_indirection): Follow transparent alias chain.
2246 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2248 * varasm.c (ultimate_transparent_alias_target): Add comment.
2250 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2252 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2253 SET_SRC instead of XEXP where appropriate.
2255 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2257 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2258 __builtin_expect.
2260 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2262 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2263 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2264 bit at a time.
2266 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2268 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2269 secondary_input_reload_class, made static. Adapt to new
2270 infrastructure.
2271 (secondary_output_reload_class): Delete.
2272 (TARGET_SECONDARY_RELOAD): New macro.
2273 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2274 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2276 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2278 PR c++/21166
2279 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2280 when its natural alignment is > BITS_PER_UNIT.
2281 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2282 * c-common.c (handle_packed_attribute): Ignore packing on a field
2283 whose type is naturally char aligned.
2285 2005-11-28 Richard Guenther <rguenther@suse.de>
2287 * c-common.c (strict_aliasing_warning): Handle all
2288 component-ref like accesses.
2290 2005-11-28 Roger Sayle <roger@eyesopen.com>
2291 Uros Bizjak <uros@kss-loka.si>
2293 PR middle-end/20219
2294 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2295 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2296 when flag_unsafe_math_optimizations is set and
2297 we don't care about NaNs or Infinities.
2299 Move x/expN(y) and x/pow(y,z) transformation into common
2300 flag_unsafe_math_optimizations section.
2302 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2304 * gcc.c (main): Change type of argv to "char **".
2306 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2308 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2309 small data sections.
2310 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2311 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2312 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2313 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2314 output locals to sbss if !rs6000_elf_in_small_data_p.
2315 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2317 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2319 PR target/24997
2320 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2321 generated by reload.
2322 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2323 indexed_or_indirect_address.
2324 (indexed_or_indirect_address): Don't test for base reg. Call
2325 address_operand last. Make it a special predicate.
2327 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2329 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2331 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2333 PR middle-end/24575
2334 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2335 is undefined.
2336 (negate_expr): Likewise.
2338 2005-11-27 Andreas Schwab <schwab@suse.de>
2340 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2341 redundant parens.
2343 2005-11-27 Steven Bosscher <stevenb@suse.de>
2345 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2346 has EH predecessor edges.
2348 2005-11-26 Eric Christopher <echristo@apple.com>
2350 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2351 register stalls by zero extending to the full register.
2353 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2355 * config/floatunsisf.c, config/floatunsidf.c,
2356 config/floatunsixf.c, config/floatunsitf.c: New files.
2357 * config/ia64/t-hpux: Add floatunsitf.c.
2358 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2359 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2361 2005-11-26 Richard Henderson <rth@redhat.com>
2363 * c-lex.c (pragma_lex): Rename from c_lex.
2364 * c-pch.c: Update for pragma_lex rename.
2365 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2366 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2367 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2368 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2369 * doc/tm.texi: Likewise.
2371 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2373 PR middle-end/23669
2374 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2375 when overflow is undefined.
2377 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2379 * doc/md.texi (Insn Canonicalizations): Refer to the
2380 function commutative_operand_precedence for further rules.
2382 2005-11-25 Roger Sayle <roger@eyesopen.com>
2384 PR middle-end/21309
2385 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2386 is less than zero. Limit mult_cost to a reasonable upper bound for
2387 the synthetic multiplication sequence.
2389 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2391 PR middle-end/25022
2392 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2393 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2394 Lookup the explicit replacement functions for any unlocked
2395 stdio builtin transformations.
2397 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2399 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2400 earlyclobber.
2401 * targhooks.c (default_secondary_reload): Don't require operand 2
2402 for an input reload to be earlyclobber.
2404 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2406 * fold-const.c (negate_mathfn_p): Fix comment and add support
2407 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2408 BUILT_IN_ATANH.
2410 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2412 PR middle-end/24998
2413 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2414 _Q_ulltoq for unsigned conversions from SImode and DImode to
2415 TFmode.
2417 2005-11-25 Alan Modra <amodra@bigpond.net.au>
2419 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2420 (__floatundidf, __floatundisf): Likewise.
2422 2005-11-25 David Edelsohn <edelsohn@gnu.org>
2424 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2425 (rs6000_override_options): Remove initialization of
2426 rs6000_sr_alias_set.
2427 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2428 (rs6000_emit_stack_tie): Same.
2429 (emit_frame_save): Same.
2430 (gen_frame_mem_offset): Same.
2431 (rs6000_emit_prologue): Same.
2432 (rs6000_emit_epilogue): Same.
2434 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2436 PR middle-end/24989
2437 * fold-const.c (fold_build): Convert bool_var != 1 and
2438 bool_var == 0 to !bool_var.
2440 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2442 PR middle-end/24990
2443 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2444 for C being INTEGER_CST. Likewise for !=.
2446 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2448 PR middle-end/24998
2449 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2450 unsigned conversions from SImode to TFmode.
2452 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
2454 * expr.c (expand_expr_real_1): Fix error in last change.
2456 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2458 * caller-save.c: (this_insn_sets): Move into:
2459 (save_call_clobbered_regs).
2460 (mark_set_regs): Get this_insn_sets from data.
2462 (save_call_clobbered_regs): Take sets of the return value by
2463 sibcalls into account.
2465 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2466 PR target/21623:
2468 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2469 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2470 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2471 (memory_move_secondary_cost, init_reg_autoinc): Remove
2472 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2473 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2474 secondary_reload_class call.
2475 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
2476 callers.
2477 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2478 (push_secondary_reload): Use secondary_reload target hook.
2479 (secondary_reload_class, scratch_reload_class): New functions.
2480 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2481 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
2482 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2483 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2484 (secondary_reload_class, scratch_reload_class): Declare.
2485 * reload1.c: Include target.h.
2486 (reload_adjust_reg_for_temp): New function.
2487 (reload_adjust_reg_for_icode): Likewise.
2488 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2489 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2490 call.
2491 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
2492 for inheritance. Support case when both secondary & tertiary reloads
2493 are for intermediate registers.
2494 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2495 with secondary_reload_class call. Support case when both secondary
2496 & tertiary reloads are for intermediate registers.
2497 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2498 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2499 * target.h (secondary_reload_info): New struct / typedef.
2500 (struct gcc_target): New member secondary_reload.
2501 * targhooks.c Include reload.h, optabs.h and recog.h.
2502 (default_secondary_reload): New function.
2503 * targhooks.h (default_secondary_reload): Declare.
2504 * doc/tm.texi: Document secondary_reload target hook. Update
2505 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2506 * doc/md.texi: Likewise.
2508 * sh-protos.h (sh_secondary_reload): Declare.
2509 * sh.c (TARGET_SECONDARY_RELOAD): Override.
2510 (sh_secondary_reload): New function.
2511 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2512 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2513 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2514 (HAVE_SECONDARY_RELOADS): Define.
2515 * sh.md (reload_indf): Rename to:
2516 (reload_indf__frn).
2517 (reload_outdf): Rename to:
2518 (reload_outdf__RnFRm).
2519 (reload_insf): Rename to:
2520 (reload_insf__frn).
2521 (reload_insi): Rename to:
2522 (reload_insi__i_fpul).
2524 2005-11-24 Uros Bizjak <uros@kss-loka.si>
2526 * configure.ac: Require at least texinfo 4.4.
2527 * configure: Regenerate.
2529 * doc/install.texi (Tools/packages necessary for building GCC):
2530 Update required version of texinfo to at least 4.4.
2531 (Installing GCC: Building): Update required version of texinfo
2532 to at least 4.4.
2533 (Installing GCC: Final installation): Update required version
2534 of texi2dvi to at least 4.4.
2535 (Host/target specific installation notes for GCC): Update required
2536 version of texinfo to at least 4.4.
2538 2005-11-24 Richard Guenther <rguenther@suse.de>
2539 Dirk Mueller <dmueller@suse.de>
2541 PR c++/14024
2542 * c-common.h (strict_aliasing_warning): Declare.
2543 * c-common.c (strict_aliasing_warning): New function,
2544 split out from ...
2545 * c-typeck.c (build_c_cast): ... here.
2547 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2549 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2550 to order operands.
2551 (swap_commutative_operands_with_target): New.
2553 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2555 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2556 also when doing PRE, rather than only for global CPROP.
2558 2005-11-24 Ben Elliston <bje@au.ibm.com>
2560 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2561 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2562 formatting.
2563 (expand_twoval_unop): Likewise.
2564 (widen_clz): Likewise.
2565 (expand_parity): Likewise.
2566 (expand_unop): Likewise.
2567 (emit_cmp_and_jmp_insn_1): Likewise.
2568 (prepare_float_lib_cmp): Likewise.
2570 2005-11-24 Ben Elliston <bje@au.ibm.com>
2572 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2573 Remove unused `class' variable.
2575 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2577 PR c++/21667
2578 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
2579 C/C++ diagnostic function warn_array_subscript_with_type_char.
2580 * c-common.h (warn_array_subscript_with_type_char): Declare.
2581 * c-common.c (warn_array_subscript_with_type_char): Define.
2583 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2585 PR c/21668
2586 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2587 compiling at the intersection of C and C++.
2589 2005-11-23 Mark Mitchell <mark@codesourcery.com>
2591 * doc/invoke.texi: For man pages, include gcc-vers.texi.
2592 List @file in the option summary. Include the libiberty
2593 documentation for @file.
2594 * gcc.c (main): Call expandargv.
2595 * Makefile.in (gcc-vers.texi): Define srcdir.
2597 2005-11-23 Diego Novillo <dnovillo@redhat.com>
2599 * passes.c (init_optimization_passes): Document
2600 sequencing of passes.
2602 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
2604 * config/m68k/predicates.md (pcrel_address, extend_operator,
2605 post_inc_operand, pre_dec_operand): Remove redundant
2606 conditionals.
2607 (const_uint32_operand, const_sint32_operand): Use gcc_assert
2608 instead of abort.
2609 (valid_dbcc_comparison_p): Rewrite in the lisp style.
2611 2005-11-23 Ben Elliston <bje@au.ibm.com>
2613 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2615 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
2617 Preparatory work for PR target/21623:
2618 * alpha.c (secondary_reload_class): Rename to:
2619 (alpha_secondary_reload_class).
2620 * alpha.h, alpha-protos.h: Likewise.
2621 * mn10300.c (secondary_reload_class): Rename to:
2622 (mn10300_secondary_reload_class).
2623 * mn10300.h, mn10300-protos.h: Likewise.
2624 * pa.c (secondary_reload_class): Rename to:
2625 (pa_secondary_reload_class).
2626 * pa.h, pa-protos.h: Likewise.
2627 * rs6000.c (secondary_reload_class): Rename to:
2628 rs6000_secondary_reload_class.
2629 * rs6000.h, rs6000-protos.h: Likewise.
2631 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
2633 PR middle-end/22561
2634 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2636 2005-11-22 Ian Lance Taylor <ian@airs.com>
2638 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2639 a mode_class.
2640 (prepare_cmp_insn): Likewise.
2642 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
2644 PR target/23435
2645 * m68k.md (zero_extendsidi2): Force operands[1] to a register
2646 if both operands[0] and operands[1] are memory.
2648 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2650 PR middle-end/23606
2651 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2652 COMPARISON_CLASS_P and an integral types create create a new
2653 expression with the new type and fold that.
2655 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2657 PR target/24988
2658 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2659 to SUBTARGET_OS_CPP_BUILTINS.
2661 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
2663 * arm.c (emit_set_insn): New function.
2664 (arm_split_constant): Call it.
2665 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2666 (arm_legitimize_address): Likewise. Use plus_constant.
2667 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
2668 (thumb_expand_prologue): Likewise.
2669 (arm_gen_load_multiple): Use VOIDmode in SET.
2670 (arm_gen_store_multiple): Likewise.
2671 (vfp_emit_fstmx): Likewise. Use plus_constant.
2672 (emit_multi_reg_push): Likewise.
2673 (emit_sfm): Use plus_constant.
2675 2005-11-23 Alan Modra <amodra@bigpond.net.au>
2677 PR target/24954
2678 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2679 typo last change.
2681 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2683 PR middle-end/24950
2684 * expmed.c (store_bit_field): Don't attempt to insv a field
2685 larger than the reg.
2687 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2689 PR target/24954
2690 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2691 explicit sign extension, not a (char) cast.
2693 2005-11-22 Ben Elliston <bje@au.ibm.com>
2695 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2696 GET_MODE_CLASS (x) == MODE_FLOAT.
2697 * config/i386/i386.c: Likewise.
2698 * config/rs6000/xcoff.h: Likewise.
2699 * config/rs6000/linux64.h: Likewise.
2700 * config/rs6000/rs6000.c: Likewise.
2701 * config/rs6000/rs6000.h: Likewise.
2702 * config/rs6000/predicates.md: Likewise.
2703 * config/rs6000/sysv4.h: Likewise.
2705 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2707 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2708 flag_pic is set.
2710 * config/alpha/freebsd.h, config/alpha/linux.h,
2711 config/arm/linux-elf.h, config/bfin/bfin.h,
2712 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2713 config/i386/beos-elf.h, config/i386/gnu.h,
2714 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2715 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2716 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2717 config/rs6000/linux64.h, config/rs6000/sysv4.h,
2718 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2719 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2720 config/sparc/linux.h, config/sparc/linux64.h,
2721 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2723 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2724 are both defined when either flag -fpic or -fPIC are used.
2726 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2728 * config/fp-bit.c (clzusi): New function.
2729 (si_to_float, usi_to_float): Use it to compute proper shift.
2730 (usi_to_float): Preserve guard bits when shifting right.
2731 * libgcc-std.ver (GCC_4.2.0): New version.
2732 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2733 __floatundisf): New functions.
2734 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2735 __floatundisf): Declare.
2736 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2737 _floatundixf, and _floatunditf.
2738 * optabs.c (expand_float): If target does not define a pattern for
2739 signed or unsigned conversion, use an unsigned libcall instead of
2740 a signed one.
2741 (init_optabs): Initialize ufloat_optab.
2743 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2745 * config/rs6000/rs6000.opt (mmulhw): New option.
2746 * doc/invoke.texi (-mmulhw): Document.
2747 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2748 for 405 and 440.
2749 * config/rs6000/rs6000.md: Add half-word multiply and
2750 multiply-accumulate instructions for 405 and 440.
2752 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
2754 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2755 which matches behavior of gcc 4.0 and older for RTEMS targets. The
2756 default now includes a linker group which makes the RTEMS one nest.
2758 2005-11-22 Ben Elliston <bje@au.ibm.com>
2760 * cse.c (fold_rtx): Typo fix.
2761 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2763 2005-11-21 Richard Henderson <rth@redhat.com>
2765 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2766 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2768 * c-tree.h (lookup_name): Move declaration ...
2769 * c-common.h (lookup_name): ... here.
2770 * config/darwin-c.c: Include c-common.h.
2771 * config/t-darwin: Update dependencies.
2773 2005-11-22 Ben Elliston <bje@au.ibm.com>
2775 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2776 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2777 * genopinit.c (gen_insn): Likewise.
2778 * reload.c (find_equiv_reg): Likewise.
2779 * loop.c (load_mems): Likewise.
2780 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2781 * cse.c (find_comparison_args, fold_rtx): Likewise.
2782 * dwarf2out.c (add_const_value_attribute): Likewise.
2783 * expr.c (convert_move): Likewise.
2784 * recog.c (general_operand, register_operand): Likewise.
2785 * reg-stack.c (replace_reg): Likewise.
2786 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2787 * c-common.c (handle_vector_size_attribute): Likewise.
2788 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2789 (simplify_binary_operation_1): Likewise.
2790 (simplify_const_binary_operation): Likewise.
2791 (simplify_relational_operation): Likewise.
2792 (simplify_const_relational_operation): Likewise.
2793 (simplify_immed_subreg): Likewise.
2794 * emit-rtl.c (gen_lowpart_common): Likewise.
2795 * expmed.c (expand_mult): Likewise.
2796 * stor-layout.c (layout_type): Likewise.
2798 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
2800 PR target/24951
2801 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2802 cst2 only for SPE vectors.
2804 2005-11-21 David Edelsohn <edelsohn@gnu.org>
2806 PR target/24953
2807 * config/rs6000/predicates.md (vrsave_operation): Check
2808 UNSPEC_VOLATILE value.
2810 2005-11-21 Jan Hubicka <jh@suse.cz>
2812 PR tree-optimization/24653
2813 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2815 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2817 * config/i386/predicates.md (ax_reg_operand): New predicate.
2818 (memory_displacement_only_operand): New predicate.
2819 * config/i386/i386.md ("modrm" attribute): Return 0 if one
2820 operand is AX register and the other operand is memory operand
2821 with displacement only.
2823 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2825 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2826 if we don't care about NaNs or Infinities.
2828 2005-11-20 Ian Lance Taylor <ian@airs.com>
2830 PR rtl-optimization/24883
2831 * combine.c (combinable_i3pat): When checking whether the
2832 destination of i3 is used in i3, consider paradoxical subregs.
2834 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
2836 PR middle-end/20583
2837 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2839 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
2841 * combine.c (try_combine): Do not run subst on i1src and i2src in
2842 the case of generating a PARALLEL for a comparison.
2844 2005-11-20 Richard Henderson <rth@redhat.com>
2846 PR 24931
2847 * tree-sra.c (struct sra_elt): Add all_no_warning.
2848 (struct sra_walk_fns) <use>: Add use_all argument.
2849 (sra_walk_expr): Pass it.
2850 (sra_walk_modify_expr): Likewise.
2851 (scalarize_ldst): Likewise.
2852 (scan_use): Update for new argument.
2853 (mark_no_warning): New.
2854 (scalarize_use): Use it.
2856 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2858 * expr.c (expand_expr_real): Use usmul_optab for widening
2859 signed * unsigned multiplies.
2860 * genopinit.c (optabs): Add usmul_widen_optab.
2861 * optabs.c (init_optabs): Likewise.
2862 * optabs.h (enum optab_index): Add OTI_usmul_widen.
2863 (usmul_widen_optab): Define.
2864 * config/bfin/bfin.md (usmulhisi3): New pattern.
2866 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2868 2005-11-20 Graham Stott <btinternet.com>
2870 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2872 2005-11-20 Andreas Schwab <schwab@suse.de>
2874 PR target/24757
2875 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2876 insn.
2878 2005-11-19 Richard Henderson <rth@redhat.com>
2880 PR tree-opt/24665
2881 * tree-gimple.c (is_gimple_id): Export.
2882 * tree-gimple.h (is_gimple_id): Declare.
2883 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2884 (get_default_value): Use it.
2885 (maybe_fold_stmt_indirect): Likewise.
2887 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
2889 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2890 than VR1 or vice-versa.
2892 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
2894 PR middle-end/24912
2895 PR middle-end/24750
2896 * reload.c (find_reloads_address_1): Mention dependency on
2897 gen_reload.
2898 * reload1.c (gen_reload): For IN with an unary operation, try
2899 moving inner expression to OUT if trivial SET is not valid.
2900 Confirm that the result is valid. Move common code block into...
2901 (emit_insn_if_valid_for_reload): New function.
2903 2005-11-19 Richard Guenther <rguenther@suse.de>
2905 * fold-const.c (fold_indirect_ref_1): Make sure we fold
2906 ARRAY_REFs of constant strings.
2908 2005-11-19 Jakub Jelinek <jakub@redhat.com>
2910 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2911 fatal format string.
2913 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
2915 * combine.c (make_compound_operation): Swap operands of
2916 commutative operation if necessary before returning.
2918 2005-11-19 Richard Guenther <rguenther@suse.de>
2920 PR middle-end/23294
2921 * fold-const.c (fold_plusminus_mult_expr): New function.
2922 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2923 cases, remove now unnecessary code.
2925 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
2927 * gensupport.c (old_preds): Rename to std_preds, add special field.
2928 (struct old_pred_table): Rename to struct std_pred_table, add special
2929 field.
2930 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2931 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2932 (init_predicate_table): Adjust, and set along the way whether a
2933 predicate is special.
2935 2005-11-18 Mark Mitchell <mark@codesourcery.com>
2937 * BASE-VER: Change to 4.2.0.
2939 2005-11-18 James E Wilson <wilson@specifix.com>
2941 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2942 returning it.
2944 2005-11-18 Mike Stump <mrs@apple.com>
2946 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2947 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2948 * c-decl.c (lookup_name_two) Remove.
2949 * c-tree.h (lookup_name_two): Remove.
2950 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2951 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2952 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2953 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2955 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
2957 PR target/24914
2958 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2959 when not generating code to use that co-processor.
2961 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
2963 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2964 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2965 these functions are now in tree-phinodes.c.
2967 2005-11-18 Jie Zhang <jie.zhang@analog.com>
2969 * config/bfin/bfin.md (trap): New pattern.
2971 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2973 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2974 on types.
2976 * expr.c (expand_expr_real): Don't call record_block_change unless
2977 ib_boundaries_block is non-null
2979 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2981 * fold-const.c (build_range_check): Use proper type for subtraction
2982 when merging lower bound.
2984 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2986 PR rtl-optimization/24497
2987 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2988 the copied insn.
2990 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2992 * tree-scalar-evolution.c (expression_expensive_p): New function.
2993 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2995 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
2997 * config/bfin/crtlibid.s: New file.
2999 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3001 PR target/24348
3002 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3003 when not using sjlj exceptions.
3004 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3005 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3006 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3007 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3008 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3009 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3010 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3011 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3012 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3013 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3014 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3015 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3016 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3017 defines.
3018 * config/pa/hpux-unwind.h: New file.
3020 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
3022 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3023 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3024 * varasm.c (do_assemble_alias): Adjust call.
3025 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3026 is defined.
3027 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3029 2005-11-17 James E Wilson <wilson@specifix.com>
3031 * tree.def (FUNCTION_DECL): Correct typo in comment.
3033 2005-11-17 Richard Henderson <rth@redhat.com>
3035 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3036 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3037 and DW_CFA_def_cfa_sf.
3038 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3039 (dbx_reg_number): Don't assert particular registers here.
3040 (based_loc_descr): ... do it here instead. Fold in ...
3041 (eliminate_reg_to_offset): ... this function.
3042 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3043 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3044 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3045 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3046 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3047 (instantiate_virtual_regs): Likewise.
3048 * var-tracking.c (adjust_stack_reference): Likewise.
3049 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3051 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3053 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3054 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3055 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3056 crtlibid.o.
3057 ($(T)crtlibid.o): New rule.
3059 2005-11-16 Richard Guenther <rguenther@suse.de>
3061 PR middle-end/24851
3062 * fold-const.c (extract_array_ref): Return byte offset
3063 in all cases.
3064 (fold_binary): Fold &x[a] CMP &x[b] to
3065 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3066 behavior.
3068 2005-11-16 Richard Henderson <rth@redhat.com>
3070 PR middle-end/23497
3071 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3072 parts of an SSA_NAME.
3074 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3076 PR target/24861
3077 * arm.md (split for movsf with immediate): Restrict split to insns
3078 that set a general register.
3080 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3082 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3083 uw_update_context.
3084 * unwind-dw2.c (uw_advance_context): Likewise.
3085 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3086 _Unwind_SjLj_Unregister.
3087 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3089 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3091 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3093 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3095 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3096 langhook to get a DImode integer type.
3098 2005-11-16 Richard Henderson <rth@redhat.com>
3099 J"orn Rennecke <joern.rennecke@st.com>
3100 Ulrich Weigand <uweigand@de.ibm.com>
3102 PR rtl-opt/24160
3103 PR target/24621
3104 * reload1.c (reg_equiv_invariant): New.
3105 (reload): Allocate, initialize, and free it.
3106 (calculate_needs_all_insns): Check it when skipping equivalence
3107 setting insns.
3108 (alter_reg): Likewise.
3109 (eliminate_regs_1): Rename from eliminate_regs. Add new
3110 may_use_invariant argument; only use reg_equiv_invariant when true.
3111 (eliminate_regs): New.
3112 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3113 a context for which may_use_invariant may be true.
3115 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3117 * fold-const.c (const_binop): Don't constant fold the operation
3118 if the result has overflowed and flag_trapping_math.
3119 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3121 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3123 * config/arm/unwind-arm.c (abort): Add prototype here.
3124 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3125 (struct phase1_vrs): Add prev_sp.
3126 (unwind_phase2_forced): Save the original core registers instead of
3127 modifying entry_vrs. Take a new flag argument for resuming unwinding
3128 and set action flags accordingly. Always set _US_END_OF_STACK when
3129 get_eit_entry fails. Unwind before calling the stop function.
3130 (_Unwind_GetCFA): New function.
3131 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3132 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3133 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3134 just call unwind_phase2_forced.
3135 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3136 * config/arm/unwind-arm.h (abort): Remove prototype.
3137 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3138 prototypes.
3139 (_Unwind_GetCFA): New prototype.
3140 * config/arm/pr-support.c (abort): Add prototype here.
3141 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3142 forced unwinding.
3143 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3144 not schedule the prologue with non-call exceptions and EABI.
3146 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3148 * config/arm/unwind-arm.h: Reorder interface function declarations.
3149 (_URC_END_OF_STACK): New enumeration value.
3150 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3151 (struct _Unwind_Control_Block): Document reserved field use.
3152 (_Unwind_Stop_Fn): New typedef.
3153 (_Unwind_ForcedUnwind): Declare.
3154 (_Unwind_Resume_or_Rethrow): Declare.
3155 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3156 argument. Adjust.
3157 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3158 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3159 (UCB_FORCED_STOP_ARG): New.
3160 (search_EIT_table): Update boundary condition checks.
3161 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3162 (unwind_phase2): Replace for with do..while.
3163 (unwind_phase2_forced): New.
3164 (__gnu_Unwind_RaiseException): Replace for with do..while.
3165 (__gnu_Unwind_ForcedUnwind): New.
3166 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3167 Use appropriate phase2 unwinder.
3168 (__gnu_Unwind_Resume_or_Rethrow): New.
3169 (__gnu_unwind_pr_common): Cope with forced unwinding.
3171 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3173 PR target/24772
3174 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3176 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3177 roundsf2): Remove "s" from mnemonic.
3179 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3181 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3182 __PIC__ is defined.
3183 * config/bfin/crtn.s: Change epilogues to match.
3184 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3185 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3186 __PIC__ and __pic__.
3188 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3190 PR 24357
3191 * doc/invoke.texi: Distinguish between free and fixed form instead of
3192 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3193 languages.
3194 * gcc.c (default_compilers): Remove double entries, add entries for
3195 suffixes '.F90' and '.F95'.
3197 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3199 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3200 in the stack probing loop.
3202 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3204 * configure.ac: Use .machine power5 not power5x.
3205 * configure: Regenerate.
3207 2005-11-15 Mike Stump <mrs@apple.com>
3209 * c-decl.c (lookup_name_two): Add.
3210 * c-tree.h (lookup_name_two): Likewise.
3211 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3212 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3214 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3216 PR rtl-optimization/23392
3217 * regrename.c (enum scan_actions) Add mark_access.
3218 (scan_actions_name): Ditto.
3219 (scan_rtx_reg): Handle mark_access.
3220 (scan_rtx_address): Do nothing for mark_access.
3221 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3222 and regs in REG_INC notes before closing chains for dead regs.
3223 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3224 opening chains for new writes.
3226 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3228 * c.opt (ffixed-line-length-none): New.
3230 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3232 * mklibgcc.in: Change contents of eh_dummy.c.
3234 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3236 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3238 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3240 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3241 of making syscalls.
3242 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3244 2005-11-15 Jan Hubicka <jh@suse.cz>
3246 * invoke.texi (large-unit-insns): Document.
3247 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3248 * params.def (large-unit-insns): New param.
3250 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3252 PR target/24869
3253 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3254 special register for operand 3. Reindent constraints to align
3255 them vertically.
3257 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3259 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3260 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3261 * configure.ac: Add test for FP rounding instructions.
3262 * configure: Regenerate.
3263 * config.in: Regenerate.
3264 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3265 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3266 features enabled.
3267 * config/rs6000/rs6000.opt (mfprnd): New.
3268 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3269 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3270 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3271 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3272 (TARGET_FPRND): New.
3273 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3274 UNSPEC_FRIZ): New.
3275 (btrunc<mode>2): New.
3276 (ceil<mode>2): New.
3277 (floor<mode>2): New.
3278 (round<mode>2): New.
3280 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3282 * gcc.c (version_compare_spec_function): Use fatal() rather than
3283 abort().
3285 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3286 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3287 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3288 as empty.
3289 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3290 link in crt2.o.
3292 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3293 on -mmacosx-version-min setting.
3295 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3297 PR 24840
3298 * tree-vrp.c (infer_value_range): Return false if STMT is a
3299 block terminator and its basic block has no successors.
3301 2005-11-14 Mike Stump <mrs@apple.com>
3303 * config/i386/i386.c (override_options): -masm=intel isn't
3304 supported on darwin.
3305 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3307 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3309 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3310 vfork after including auto-host.h.
3312 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3314 PR rtl-optimization/22002
3315 * combine.c (distribute_notes): Detect cases where a reg dies
3316 two or more times in a bb, including on the insn we are combining,
3317 and place the death note on the correct range.
3319 2005-11-14 Dale Johannesen <dalej@apple.com>
3321 * expmed.c (store_bit_field): Add offset unconditionally for
3322 memory targets.
3323 (extract_bit_field): Don't force extzv or extv operand into
3324 a register if field is too big.
3326 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3328 * config/arm/arm.c (pic_labelno): New.
3329 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3330 LABEL_REF. Pass only the labelno to PIC insns.
3331 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3332 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3333 * arm.md (UNSPEC_PIC_LABEL): New constant.
3334 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3335 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3336 Use the correct label prefix.
3338 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3340 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3341 REQ_EQUIV note.
3343 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3345 * loop-invariant.c: Include tm_p.h.
3346 * Makefile.in: Updated.
3348 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3350 * pa.c (store_reg): Revise generation of frame notes in large frames.
3351 (set_reg_plus_d): Likewise.
3353 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3355 PR tree-optimization/24709
3356 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3357 loop check.
3359 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3361 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3362 and duplicate declaration of pthread_self.
3364 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3365 Ian Lance Taylor <ian@airs.com>
3367 PR middle-end/24003
3368 * calls.c (expand_call): If TARGET is a MEM and some part of the
3369 argument area has been saved, force TARGET to a register.
3371 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3373 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3374 checking.
3376 2005-11-13 Jason Merrill <jason@redhat.com>
3378 PR c++/22489
3379 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3380 lazily declared methods.
3381 (force_decl_die): Stop if forcing out the context already make a
3382 DIE for the decl.
3383 (force_type_die): Likewise.
3385 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3387 PR middle-end/24820
3388 * builtins.c (integer_valued_real_p): Add break in
3389 REAL_CST having TREE_OVERFLOW set.
3391 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
3393 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3394 addressing modes during calculation of costs.
3396 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3398 * function.c (assign_stack_local_1): Restrict sanity check
3399 on frame size overflow to 32-bit and above platforms.
3401 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3403 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3404 * config/cris/cris.c: Include reload.h.
3405 (cris_initial_elimination_offset): New function.
3406 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3407 Prototype.
3409 2005-11-12 Richard Guenther <rguenther@suse.de>
3411 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3413 2005-11-12 Jan Hubicka <jh@suse.cz>
3415 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3416 to compare against 0 when possible.
3418 2005-11-12 Jie Zhang <jie.zhang@analog.com>
3420 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3421 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3422 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3423 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3424 in the new order.
3426 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3428 * recog.c (constrain_operands) <case 'g'>: For a match, require
3429 that a non-register matches general_operand when strict >= 0.
3431 2005-11-11 Steven Bosscher <stevenb@suse.de>
3433 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3434 previous checkin.
3436 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3438 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3439 (memory_address_same): New.
3440 (dse_optimize_stmt): Call memory_address_same.
3442 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3444 PR middle-end/24750
3445 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3446 ZERO_EXTEND>: New cases.
3448 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3450 * longlong.h (__clz_tab): Always provide.
3452 2005-11-11 Steven Bosscher <stevenb@suse.de>
3454 PR 24265
3455 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3456 can be assigned to.
3457 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3458 before check_maybe_invariant.
3459 (move_invariant_reg): Use gen_move_insn instead of replacing
3460 SET_DEST with the temporary for the invariant.
3461 (move_loop_invariants): If checking is enabled, do internal
3462 consistency checks after completing the pass.
3464 2005-11-11 David Edelsohn <edelsohn@gnu.org>
3466 PR 24644
3467 * common.opt (Wvolatile-register-var): New.
3468 * varasm.c (make_decl_rtl): Only emit warning when option
3469 specified. Clarify warning message.
3470 * doc/invoke.texi (Wvolatile-register-var): Document new option.
3472 * doc/md.texi (copysign): Document standard named pattern.
3474 2005-11-11 Jie Zhang <jie.zhang@analog.com>
3476 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3477 bytes when align is 2.
3478 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3479 by the first instruction of the loop.
3481 2005-11-11 Jason Merrill <jason@redhat.com>
3483 PR c++/24686
3484 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3485 the cleanup list.
3487 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3489 PR rtl-optimization/22509
3490 * local-alloc.c (memref_used_between_p): Check whether a function call
3491 could not reference the memref.
3493 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
3495 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3496 algorithm so as to choose the best, not the worst, alternative.
3497 Reset accumulated register class before processing next alternative.
3499 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
3501 PR target/24445
3502 * calls.c (expand_call): Copy a return value to a plain register
3503 if needed.
3505 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
3507 PR target/24778
3508 * varasm.c (assemble_name): Recompute name only for transparent
3509 aliases.
3511 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
3513 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3515 2005-11-04 Jeff Law <law@redhat.com>
3517 PR middle-end/23181
3518 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3519 perform reassociation if the parent statement will not die as
3520 a result of the optimization.
3522 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
3524 * tree-ssa-alias.c (compute_may_aliases): Remove call to
3525 delete_old_heap_vars.
3526 * tree-dfa.c (referenced_var_remove): Remove function.
3527 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3528 (delete_tree_ssa): Remove call to delete_old_heapvars.
3529 Add call to delete_alias_heapvars.
3530 * tree-flow.h (referenced_var_remove): Remove prototype
3531 (init_alias_heapvars): New prototype.
3532 (delete_alias_heapvars): Ditto.
3533 * Makefile.in (tree-ssa-structalias.o): Add
3534 gt-tree-ssa-structalias.o
3535 (GTFILES): Add tree-ssa-structalias.h and
3536 tree-ssa-structalias.c.
3537 (s-gtype): Add gt-tree-ssa-structalias.h.
3538 * tree-ssa-structalias.c (heapvars): Remove.
3539 (oldheapvars): Remove.
3540 (heapvar_for_stmt): New variable.
3541 (heapvar_lookup): New function.
3542 (heapvar_insert): Ditto.
3543 (get_constraint_for): See if we have an old heapvar
3544 to reuse.
3545 (init_alias_heapvars): New function.
3546 (delete_alias_heapvars): Ditto.
3547 Add include of gt-tree-ssa-structalias.h.
3549 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3551 PR middle-end/22127
3552 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3554 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
3556 * tree.c (int_fits_type_p): Only look at the base type
3557 if it has the same precision as the original type.
3559 2005-11-10 Jakub Jelinek <jakub@redhat.com>
3561 PR other/4372
3562 * varasm.c (assemble_alias): Use %q+D in the error
3563 message instead of %J and %qD.
3565 2005-11-10 Richard Guenther <rguenther@suse.de>
3567 * gcse.c (free_ldst_entry): Only free hashtable if
3568 it exists.
3570 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3572 * function.c (assign_stack_local_1): Issue an error message if
3573 the frame size overflows in the signed target arithmetics.
3575 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3577 * tree.c (build_qualified_type): Chain the new type to the original
3578 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3579 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3580 (build_pointer_type_for_mode): Only return unqualified types.
3581 (build_reference_type_for_mode): Likewise.
3583 2005-11-09 Jakub Jelinek <jakub@redhat.com>
3585 * Makefile.in (gnucompare): Do comparison of all files using one of
3586 the chosen methods and only afterwards decide if just warning should
3587 be issued or comparison failure raised.
3589 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3591 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3592 (noce_try_abs): Negate if the comparison is reversed.
3593 Look only one instruction backwards for a REG_EQUAL note.
3595 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3597 PR other/4372
3598 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3599 gthr-tpf.h: Define __gthrw. For all identifiers that might
3600 be weak, introduce weakrefs or non-weak aliases with __gthrw,
3601 and prefix all uses with __ghtrw.
3603 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3605 PR other/4372
3606 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3607 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
3608 * c-common.c (handle_weakref_attribute): New.
3609 (c_common_attribute_table): Add weakref.
3610 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3611 in the assembler.
3612 * configure, config.in: Rebuilt.
3613 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3614 * doc/extend.texi: Document weakref attribute.
3615 * varasm.c (ultimate_transparent_alias_target): New
3616 (assemble_name): Use it.
3617 (weak_finish_1): Split out of...
3618 (weak_finish): ... and deal with weakrefs in...
3619 (weakref_targets): ... new list.
3620 (globalize_decl): Clean up weakref_targets.
3621 (do_assemble_alias): Handle weakrefs.
3622 (finish_aliases_1): Do not reject weakrefs to external symbols.
3623 (assemble_alias): Handle weakrefs.
3625 2005-11-09 Richard Guenther <rguenther@suse.de>
3627 PR tree-optimization/24716
3628 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3629 t_bool to track results from follow_ssa_edge.
3631 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3633 * final.c (force_source_line): New global variable.
3634 (final_scan_insn): Set it to true instead of clearing last_filename.
3635 (notice_source_line): Return true if force_source_line is true,
3636 unless source info is absent.
3638 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
3640 PR c/24644
3641 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3642 a linkage name for a variable if it a register variable.
3643 * c-decl.c (grokdeclarator): Global register variables
3644 should be set as PUBLIC.
3646 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3648 PR 24624
3649 * config/s390/s390.c (struct s390_frame_layout): New fields
3650 first_save_gpr_slot and last_save_gpr_slot.
3651 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3652 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3653 first_save_gpr and last_save_gpr with the _slot variants.
3654 (s390_register_info): Calculate first_save_gpr_slot and
3655 last_save_gpr_slot using regs_ever_live.
3657 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3659 PR 24623
3660 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3661 for a function containing a landing pad.
3663 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3665 PR 24034
3666 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3667 is live afterwards.
3669 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
3671 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3672 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3674 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
3676 Add ms2 support
3677 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3678 constants.
3679 (call,load,store): New insn types.
3680 (mem_access, branch_access): Adjust reservation conditions.
3681 (define_delay): Adjust condition.
3682 (decrement_and_branch_until_zero): Allow for ms2. Set branch
3683 type.
3684 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3685 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3686 insn type.
3687 (call_internal, call_value_internal, return_internal,
3688 return_interrupt_internal, eh_return_internal, indirect_jump,
3689 tablejump): Set call insn type.
3690 (blockage, ei, di): Use appropriate unspec const.
3691 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3692 (ms1_get_attr_type): Adjust to give load & store types.
3693 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
3694 backwards past a barrier.
3695 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
3696 branch scheduling.
3697 (struct branch_info, struct label_info): New.
3698 (ms1_labels): New.
3699 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3700 (ms1_machine_reorg): New.
3701 (TARGET_MACHINE_DEPENDENT_REORG): Override.
3702 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3703 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3704 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3705 (TARGET_MS2): New.
3707 2005-11-09 Per Bothner <per@bothner.com>
3708 Uros Bizjak <uros@kss-loka.si>
3710 PR c/24101
3711 * toplev.c (process_options): Initialize debug_hooks early
3712 in case lang_hooks.post_options ends up calling a debug_hook.
3714 2005-11-08 Jakub Jelinek <jakub@redhat.com>
3716 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3717 DBX_REGISTER_NUMBER being contiguous.
3719 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
3720 Diego Novillo <dnovillo@redhat.com>
3722 PR 23046
3723 * tree-vrp.c (register_edge_assert_for): Do not register
3724 always-false predicates.
3726 2005-11-08 Devang Patel <dpatel@apple.com>
3728 PR tree-optimization/23115
3729 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3730 relation.
3732 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
3734 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3735 -mcpu=440.
3737 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
3739 Fix PR tree-optimization/23382
3741 * tree-ssa-alias.c (compute_may_aliases): Call
3742 delete_old_heap_vars.
3743 * tree-dfa.c (referenced_var_remove): New function.
3744 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3745 * tree-flow.h (referenced_var_remove): Add prototype.
3746 (delete_old_heap_vars): Ditto.
3747 * tree-ssa-structalias.c (heapvars): New variable.
3748 (oldheapvars): Ditto.
3749 (get_constraint_for): Put heap vars on heapvars list.
3750 (delete_old_heap_vars): New function.
3752 2005-11-08 Jason Merrill <jason@redhat.com>
3754 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3756 2005-11-08 Uros Bizjak <uros@kss-loka.si>
3758 PR target/19340
3759 * reg-stack.c (reg_to_stack): Update register liveness also
3760 for flag_sched2_use_traces.
3762 2005-11-08 Alan Modra <amodra@bigpond.net.au>
3764 PR target/23704
3765 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3766 override prior explicit -mno-powerpc-gfxopt.
3768 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
3770 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3771 if the bitsize is zero.
3772 * doc/md.texi (Standard Pattern Names): Document it.
3774 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3775 (TARGET_PASS_BY_REFERENCE): Likewise.
3777 2005-11-07 Ian Lance Taylor <ian@airs.com>
3779 PR rtl-optimization/24683
3780 * config/i386/i386.c (legitimize_pic_address): If constant operand
3781 to PLUS is too large, put it in a register.
3783 2005-11-07 Jie Zhang <jie.zhang@analog.com>
3785 * configure.ac: Enable checking assembler dwarf2 support for bfin
3786 target.
3787 * configure: Regenerate.
3789 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3791 PR target/24230
3793 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3794 gen_easy_vector_constant_add_self): Delete.
3795 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3796 New.
3797 (output_vec_const_move): Use gen_easy_altivec_constant.
3798 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3799 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3800 (easy_vector_constant_add_self): Rewritten.
3801 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3802 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3803 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3804 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3805 Macroize and adjust for the other changes.
3807 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3809 PR c/24599
3811 * c-typeck.c (build_c_cast): Try using a shared constant, and see
3812 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3814 2005-11-07 Jakub Jelinek <jakub@redhat.com>
3816 PR rtl-optimization/23567
3817 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3818 (noce_process_if_block): Don't do any optimizations except
3819 if (cond) x = x; if !set_b and write into orig_x may trap
3820 or fault. Remove the MEM_READONLY_P check.
3822 2005-11-06 Diego Novillo <dnovillo@redhat.com>
3824 PR 24670
3825 * tree-vrp.c (fix_equivalence_set): New.
3826 (extract_range_from_assert): Call it.
3828 2005-11-05 Ian Lance Taylor <ian@airs.com>
3830 PR target/22432
3831 * combine.c (apply_distributive_law): Don't distribute across a
3832 vector mode subreg.
3834 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
3836 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3837 config/ms1/ms1.h, config/rs6000/predicates.md,
3838 config/s390/s390.c, params.def, postreload-gcse.c,
3839 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3840 tree-vrp.c, tree.c: Fix comment typos.
3841 * doc/invoke.texi: Fix typos.
3843 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
3845 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3846 for testing whether the data_dependence_relation contains distance
3847 vectors. Iterate over all distance vectors of the ddr.
3848 * lambda.h: Define a vec of lambda_vector pointers.
3849 * tree-data-ref.c (dump_data_dependence_relation,
3850 dump_data_dependence_direction): Iterate over all distance and
3851 direction vectors of the ddr.
3852 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3853 DDR_DIST_VECTS.
3854 (build_classic_dist_vector, build_classic_dir_vector): Push a set
3855 of distance/direction vectors instead of a single one.
3856 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3857 lambda_vectors with a vec of lambda_vectors.
3858 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3859 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3860 DDR_NUM_DIST_VECTS): New.
3861 * tree-loop-linear.c (gather_interchange_stats): Test for the
3862 existence of distance vectors only after having checked that there
3863 is a dependence. Iterate over all distance vectors of the ddr.
3864 (linear_transform_loops): Use dump_data_dependence_relation.
3865 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3866 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
3867 distance vectors of the ddr.
3869 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
3871 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3872 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3873 IS_INTHANDLER; all callers changed.
3874 (n_regs_saved_by_prologue): Take interrupt handler attributes into
3875 account.
3876 (do_link, do_unlink): New argument ALL; all callers changed.
3877 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3878 If function isn't leaf, save and restore all registers.
3879 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3880 exception handler.
3882 2005-11-05 Jan Hubicka <jh@suse.cz>
3884 PR rtl-optimization/23490
3885 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3886 max-flow-memory-location): Document.
3887 * flow.c: Include params.h
3888 (MAX_MEM_SET_LIST_LEN): Kill.
3889 (add_to_mem_set_list): Use new param.
3890 * cse.c (cse_basic_block): Replace 1000 by new param.
3891 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3892 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3893 * predict.c (predict_loops): Use new param.
3894 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3896 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3897 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3898 Do not hold memory returned by cgraph_node_name across other call.
3900 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
3902 PR target/23424
3903 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3904 Disable.
3906 2005-11-04 Jeff Law <law@redhat.com>
3908 PR/21883
3909 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3910 * tree-ssa-dom.c: Include params.h.
3911 (thread_across_edge): If there are too many statements in the
3912 target block, then do not thread through it.
3913 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3914 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3916 2005-11-03 Diego Novillo <dnovillo@redhat.com>
3918 PR 24627
3919 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3920 TODO_update_ssa instead of TODO_update_ssa_no_phi.
3922 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
3924 PR/18595
3925 * tree-scalar-evolution.c (instantiate_parameters_1,
3926 instantiate_parameters, resolve_mixers): Compute the size of an
3927 expression to be instantiated and give up the instantiation if the
3928 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3930 2005-11-04 Richard Guenther <rguenther@suse.de>
3932 * tree-flow.h (ref_contains_indirect_ref): Rename to
3933 array_ref_contains_indirect_ref.
3934 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3935 (array_ref_contains_indirect_ref): Make comment match the code
3936 and vice-versa.
3937 (ref_contains_array_ref): Likewise.
3938 * tree-ssa-structalias.c (find_func_aliases): Remove call to
3939 ref_contains_indirect_ref.
3940 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3941 Rename calls to ref_contains_indirect_ref.
3943 2005-11-04 Paul Brook <paul@codesourcery.com>
3945 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3946 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3947 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3948 * config/arm/arm.md: Use match_operand in peephole input templates
3949 and match_dup in peephole output templates.
3951 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3953 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3954 __aeabi_uidiv.
3956 2005-11-04 Mark Mitchell <mark@codesourcery.com>
3957 Daniel Jacobowitz <dan@codesourcery.com>
3959 * longlong.h (add_ssaaaa): Clobber condition code register
3960 in ARM version.
3961 (sub_ddmmss): Likewise.
3962 (umul_ppmm): Likewise.
3964 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3965 Paul Brook <paul@codesourcery.com>
3966 Phil Blundell <pb@reciva.com>
3968 * configure.ac: Add test for ARM TLS support.
3969 * configure: Regenerated.
3970 * config/arm/arm-protos.h (legitimize_tls_address)
3971 (arm_tls_referenced_p, tls_mentioned_p)
3972 (arm_output_addr_const_extra): New prototypes.
3973 (thumb_legitimize_pic_address): Delete.
3974 * config/arm/arm.c: Include "gt-arm.h".
3975 (enum tls_reloc): New.
3976 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3977 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3978 (arm_call_tls_get_addr, legitimize_tls_address)
3979 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3980 (arm_init_tls_builtins, arm_emit_tls_decoration)
3981 (arm_output_addr_const_extra): New functions.
3982 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3983 (TARGET_HAVE_TLS): Define.
3984 (target_thread_pointer): New.
3985 (arm_override_options): Handle -mtp=.
3986 (legitimize_pic_address): Ignore UNSPECs.
3987 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3988 relative symbols.
3989 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3990 (tls_get_addr_libfunc): New variable.
3991 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3992 (arm_init_builtins): Call arm_init_tls_builtins.
3993 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3994 (arm_encode_section_info): Call default_encode_section_info.
3995 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3996 (enum arm_tp_type): New.
3997 (target_thread_pointer): Add declaration.
3998 (LEGITIMATE_CONSTANT_P): Handle TLS.
3999 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4000 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4001 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4002 * config/arm/arm.md: Add UNSPEC_TLS.
4003 (movsi): Handle TLS.
4004 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4005 non-PIC.
4006 (tls_load_dot_plus_eight): New insn and a peephole to create it.
4007 (load_tp_hard, load_tp_soft): New insns.
4008 * arm.opt: Add -mtp=.
4009 * doc/invoke.texi (ARM Options): Document -mtp.
4011 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4013 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4014 * config/arm/libunwind.S: Include "lib1funcs.asm".
4015 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4016 (LIB2ADDEH): Add libunwind.S.
4017 (LIB2ADDEHDEP): Add lib1funcs.asm.
4018 * mklibgcc.in: Handle asm files in libgcc_eh.a.
4020 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4022 PR fortran/18452
4023 * gcc/c.opt: Add a -lang-fortran option.
4024 * gcc/c-opts.c: Add a lang_fortran flag.
4025 (c_common_init_options): Handling the -lang-fortran option.
4026 (c_common_handle_option): Add a case for Fortran options in
4027 preprocessing. Remove cases for -ffixed-form and
4028 -ffixed-line-length. Add a case for -lang-fortran.
4030 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4032 * config/rs6000/rs6000.c: Include params.h
4033 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4034 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4035 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4036 (UNSPEC_VPKUWSS): Delete.
4037 (altivec_vpkuhss): Delete.
4038 (altivec_vpkuwss): Delete.
4039 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4040 final condition.
4041 (neg_eq0<mode>): Remove final condition.
4042 (neg_eq<mode>): Remove condition and split-condition.
4044 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4046 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4047 Use associated print macros.
4049 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4051 PR c++/17964
4052 * diagnostic.c (diagnostic_set_info_translated): New function.
4053 (diagnostic_set_info): Use it. Add comment.
4054 * diagnostic.h (diagnostic_set_info_translated): Declare.
4056 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4058 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4059 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4060 reference only if 'public' is true.
4061 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4062 emit the .hidden directive only if the indirect reference is public.
4063 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4064 Pass it to dw2_force_const_mem.
4065 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4066 * dwarf2out.c (output_cfi): Adjust calls to above function.
4067 (output_call_frame_info): Likewise.
4068 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4069 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4071 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4073 PR tree-optimization/24483
4074 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4075 field to elts if possible.
4077 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4079 PR middle-end/23155
4080 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4081 CONSTRUCTOR.
4083 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4085 Fix PR tree-optimization/24351
4087 * tree-ssa-structalias.c (struct variable_info): Add
4088 collapsed_into.
4089 (get_varinfo_fc): New function to follow collapsing.
4090 (new_var_info): Set collapsed_to to NULL.
4091 (dump_constraint): Follow collapsing.
4092 (build_constraint_graph): Handle collapsing.
4093 (do_simple_structure_copy): Return false if something bad
4094 happened.
4095 (collapse_rest_of_var): New function.
4096 (do_structure_copy): Collapse if do_simple_structure_copy returns
4097 false.
4099 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4101 PR middle-end/24589
4102 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4103 expressions to a statement list instead of gimplifying them.
4105 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4107 PR rtl-optimization/23585
4108 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4109 that can't trap plus a constant integer, if the mode has zero size.
4111 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4113 PR target/24620
4114 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4115 as operand 2.
4116 ("*insv<mode>_reg_extimm"): Likewise.
4118 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4120 PR c/24329
4121 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4122 c_common_type_for_mode returns an unnamed type.
4124 2005-11-02 Richard Henderson <rth@redhat.com>
4126 PR target/9350
4127 PR target/24374
4128 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4129 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4130 * function.c (assign_parms): Use calls.internal_arg_pointer.
4131 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4132 code.
4133 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4134 (TARGET_CALLS): Add it.
4135 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4136 * targhooks.c (default_internal_arg_pointer): New.
4137 * targhooks.h (default_internal_arg_pointer): Declare.
4138 * tree.h (dwarf2out_reg_save_reg): Declare.
4139 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4140 * config/i386/i386.c (dbx_register_map): Add return column.
4141 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4142 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4143 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4144 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4145 (ix86_save_reg): Save force_align_arg_pointer.
4146 (ix86_emit_save_regs): Make regno unsigned.
4147 (ix86_emit_save_regs_using_mov): Likewise.
4148 (ix86_expand_prologue): Handle force_align_arg_pointer.
4149 (ix86_expand_epilogue): Likewise.
4150 * config/i386/i386.h: (dbx_register_map): Update.
4151 (dbx64_register_map, svr4_dbx_register_map): Update.
4152 (struct machine_function): Add force_align_arg_pointer.
4153 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4154 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4155 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4157 2005-11-02 Jan Hubicka <jh@suse.cz>
4159 PR target/23303
4160 * i386.md: Add peep2 for simplyfing array accesses.
4162 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4164 PR target/24615
4165 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4166 * config/s390/s390.c (s390_decompose_shift_count): New function.
4167 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4168 (print_shift_count_operand): Use s390_decompose_shift_count.
4169 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4170 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4172 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4174 PR target/24600
4175 * loop.c (loop_givs_rescan): Use force_operand to expand
4176 complex GIVs.
4178 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4180 PR 22429
4181 * fold-const.c (build_range_check): Use unsigned when signed
4182 overflow is undefined also. If etype is subtype, make sure that
4183 the subtraction is in the supertype.
4185 2005-11-02 Richard Henderson <rth@redhat.com>
4187 PR target/24178
4188 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4189 by MEM_ALIGN.
4191 2005-11-01 Richard Henderson <rth@redhat.com>
4193 PR 21518
4194 * loop.c (scan_loop): Do not propagate computations to a hard
4195 register destination with SMALL_REGISTER_CLASSES.
4197 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4199 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4200 costs for MULT inside PLUS or MINUS.
4202 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4204 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4205 (TRAMPOLINE_SIZE): Round up to 60.
4206 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4208 2005-10-31 James E. Wilson <wilson@specifix.com>
4210 PR debug/24444
4211 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4212 ifdef. Put ifdefs around call in gen_subprogram_die.
4213 (compute_frame_pointer_to_cfa_displacement): Likewise.
4214 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4215 not defined.
4217 PR rtl-optimization/17356
4218 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4219 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4221 2005-10-31 Jan Hubicka <jh@suse.cz>
4223 PR middle-end/24093
4224 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4226 PR target/20928
4227 * i386.c (legitimize_pic_address): Deal with large immediates.
4229 PR profile/20815
4230 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4231 from symbol names while computing checkup.
4233 PR profile/24487
4234 * predict.c (predict_loops): Do not estimate more than
4235 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4236 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4238 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4240 PR tree-optimization/19097
4241 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4243 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4245 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4247 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4249 PR middle-end/23492
4250 * tree-inline.c (setup_one_parameter): If the init_stmt
4251 is NULL, don't insert the statement.
4253 2005-10-30 Jan Hubicka <jh@suse.cz>
4255 PR tree-optimization/24172
4256 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4258 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4260 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4261 constants for hosts with long != 32 bits.
4263 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4265 PR middle-end/24093
4266 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4268 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4270 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4271 (TARGET_MS1_16_002): New.
4272 (TARGET_MS1_16_003): New.
4274 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4275 ("*decrement_and_branch_until_zero_no_clobber"): New.
4276 Add corresponding splitter for decrement_and_branch_until_zero
4277 instruction.
4278 Key all decrement_and_branch_until_zero patterns off of
4279 TARGET_MS1_16_003.
4281 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4283 PR middle-end/24362
4284 * tree-complex.c (extract_component): Treat RESULT_DECL
4285 like the rest of the decls.
4287 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4289 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4290 indirect call to _mcount if the function needs a static chain.
4292 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4293 Caroline Tice <ctice@apple.com>
4295 PR rtl-optimization/24460
4296 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4297 (dwarf2out_switch_text_section): Set it to true instead of
4298 incrementing separate_line_info_table_in_use.
4299 (output_loc_list): Additionally test have_switched_text_sections.
4300 (output_ranges): Likewise.
4301 (dwarf2out_finish): Likewise.
4302 * varasm.c (assemble_start_function): Do not call
4303 insert_section_boundary_note.
4304 (assemble_end_function): If flag_reorder_blocks_and_partition,
4305 switch to the function's section before emitting the .size directive.
4306 * bb-reorder.c (insert_section_boundary_note): Staticify.
4307 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4308 * output.h (insert_section_boundary_note): Delete.
4310 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4312 PR c/23103
4313 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4314 instead of pointer equality when comparing types.
4316 2005-10-24 James E. Wilson <wilson@specifix.com>
4318 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4319 add_dependence_list_and_free calls.
4321 2005-10-24 Steven Bosscher <stevenb@suse.de>
4323 * contrib.texi: Add the names of the LLNL folks who donated
4324 Cray pointer support for gfortran.
4326 2005-10-24 Steven Bosscher <stevenb@suse.de>
4328 PR tree-optimization/24225
4329 * profile.c (branch_prob): Look from end to start through a
4330 basic block when looking for a locus.
4332 2005-10-24 Richard Henderson <rth@redhat.com>
4334 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4335 parallel.
4336 (hppa_expand_prologue): Likewise.
4338 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4340 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4341 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4342 * pa.h (NO_PROFILE_COUNTERS): Define.
4343 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4344 (funcdef_nos): New vector to hold label numbers of deferred profile
4345 counters.
4346 (output_deferred_profile_counters): New function.
4347 (hppa_profile_hook): Push label number onto funcdef_nos.
4348 (pa_hpux_file_end): Call output_deferred_profile_counters if
4349 NO_DEFERRED_PROFILE_COUNTERS is false.
4351 * pa-protos.h (get_deferred_plabel): New prototype.
4352 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4353 Make global.
4354 (output_call): Adjust calls.
4356 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4358 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4359 peculiarity of GOT/TOC section usage.
4361 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4363 PR objc/24435
4364 * c-common.c (constant_string_class_name): Add documentation.
4366 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4368 PR target/23832
4369 * recog.c (peephole2_optimize): Increment peep2_current_count
4370 only when the slot is empty.
4372 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4374 PR ada/23957
4375 * except.c (output_function_exception_table): Call
4376 assemble_external_libcall if we need a personality function.
4378 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4380 PR rtl-optimization/24460
4381 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4382 set the basic block for barriers.
4384 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4386 * var-tracking.c (vt_initialize): Initialize post.
4388 2005-10-21 Devang Patel <dpatel@apple.com>
4390 PR/24220
4391 * c-common.c (vector_types_convertible_p): Check vector element type.
4393 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4395 * config/sh/sh.c (prepare_move_operands): Handle the address
4396 constant which is a tls symbolic address plus a constant.
4398 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4400 PR driver/24473
4401 * gcc.c (main): Use the correct counter for erroring out
4402 about mulitple files.
4404 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4406 PR target/24465
4407 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4408 use r2 for 64-bit tls .got access.
4410 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4412 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4413 TRUTH_OR_EXPR.
4415 2005-10-20 Steven Bosscher <stevenb@suse.de>
4417 PR tree-optimization/24307
4418 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4420 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
4422 PR middle-end/24295
4423 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4424 alias targets.
4425 * varasm.c (find_decl_and_mark_needed): After cgraph global info
4426 is ready, stop marking functions, but still mark variables.
4428 2005-10-20 Richard Guenther <rguenther@suse.de>
4430 PR c++/24439
4431 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4432 void type operands.
4434 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4436 PR rtl-optimization/23585
4437 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4438 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
4439 (may_trap_p_1): New predicate extracted from...
4440 (may_trap_p): ... here. Invoke may_trap_p_1.
4441 (may_trap_or_fault_p): New predicate.
4442 * rtl.h (may_trap_or_fault_p): Declare it.
4443 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4444 instead of may_trap_p.
4445 (steal_delay_list_from_fallthrough): Likewise.
4446 (fill_simple_delay_slots): Likewise.
4447 (fill_slots_from_thread): Likewise.
4448 * function.c (pad_to_arg_alignment): Rework comment about
4449 SPARC_STACK_BOUNDARY_HACK.
4450 * config/sparc/sparc.h: Likewise.
4452 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
4454 * config/s390/s390.c (s390_expand_insv): New.
4455 * config/s390/s390-protos.h (s390_expand_insv): Declare.
4456 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4457 ("icm_hi"): Remove mode attribute.
4458 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4459 Adjust all uses.
4460 ("*extracthi", "*extractqi"): Remove.
4461 (extv<mode>", "*extzv<mode>"): New.
4462 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4463 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4465 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4467 * cfgexpand.c (discover_nonconstant_array_refs_r,
4468 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4469 (tree_expand_cfg): Call discover_nonconstant_array_refs.
4470 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4471 discover_nonconstant_array_refs.
4473 2005-10-19 Steven Bosscher <stevenb@suse.de>
4475 PR c/23228
4476 * c-decl.c (pop_scope): Don't warn about an unused variable
4477 if it is marked with TREE_NO_WARNING.
4478 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4479 somenow mismatch and olddecl is to be replaced.
4481 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
4483 PR middle-end/23199
4484 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4485 whether registers live on the edge can be saved/restored.
4487 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
4489 * config/sh/sh.c (fixup_mova): Skip notes.
4491 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4493 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4494 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4495 (s390_can_eliminate): Handle BASE_REGNUM elimination.
4496 (s390_initial_elimination_offset): Likewise.
4497 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4498 register on TARGET_ZARCH targets.
4499 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4500 (INITIAL_FRAME_POINTER_OFFSET): Remove.
4501 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4502 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4504 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4506 * config/s390/s390.md: Comment describing output modifiers updated.
4507 * config/s390/s390.c (print_operand): Likewise.
4509 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4511 * config/s390/s390.c (override_options): Added check for -mstack-size
4512 64k limitation.
4513 * doc/invoke.texi: Mention that limit in the documenation.
4515 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
4517 PR #19672
4518 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4520 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
4522 Fix PR tree-optimization/24231
4524 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4525 (compute_avail): Ditto.
4527 2005-10-18 Richard Henderson <rth@redhat.com>
4529 PR target/24428
4530 * config/i386/i386.c (legitimate_constant_p): Check
4531 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
4532 if LABEL_REF.
4533 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4534 (legitimate_pic_address_disp_p): Reorg CONST checking to make
4535 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
4536 directly.
4537 (print_operand_address): Likewise.
4538 * config/i386/predicates.md (x86_64_immediate_operand): Test
4539 SYMBOL_REF_TLS_MODEL properly inside CONST.
4540 (x86_64_zext_immediate_operand): Likewise.
4541 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4542 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4543 * config/i386/i386-protos.h: Remove predicates.md entries.
4545 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
4547 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4548 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4550 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
4551 Ian Lance Taylor <ian@airs.com>
4553 PR middle-end/23522
4554 * fold-const.c (fold_widened_comparison): Do not allow range based
4555 constant folding when right operand cannot be unwidened.
4557 2005-10-17 Richard Henderson <rth@redhat.com>
4559 * builtins.c (expand_builtin_synchronize): Build a new-style asm
4560 with a memory clobber.
4562 2005-10-17 James E Wilson <wilson@specifix.com>
4564 PR rtl-optimization/17356
4565 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4566 checking for EDGE_EH.
4568 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
4570 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4571 the slot on an even boundary for any type with 16-byte alignment.
4573 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
4575 PR target/23424
4576 * md.texi (Modifiers) <%>: Clarify that % doesn't work
4577 after register allocation.
4579 2005-10-17 DJ Delorie <dj@redhat.com>
4581 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4582 as frame related.
4584 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
4586 PR c++/22551
4587 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4588 overflow flags.
4590 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
4592 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4593 to 2 if it's already non-zero.
4594 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4595 is set and warn about it if flag_schedule_insns is 1.
4597 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
4599 * config/crx/crx.md: Compare-and-branch instructions need to
4600 invalidate CC.
4602 2005-10-17 Uros Bizjak <uros@kss-loka.si>
4604 PR target/24315
4605 * config/i386/i386.md (*pushdi2_rex64 splitter)
4606 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4607 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4608 flow2 pass only when (optimize > 0 && flag_peephole2).
4610 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
4612 PR driver/22544
4613 * gcc.c (have_c): New static variable.
4614 (have_o): Likewise.
4615 (process_command): Remove declation of have_c.
4616 Set have_o to 1 when handling -o.
4617 (main): Add a fatel error if there are multiple
4618 files specified and -o and -c/-S is passed witout
4619 -combine or multiple languages.
4621 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
4623 Fix PR tree-optimization/22444
4624 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4625 Assert that we don't hit something with subvars.
4626 (setup_pointers_and_addressables): Don't add things with subvars,
4627 because we'll already process the subvars for aliasing purposes.
4629 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
4631 PR target/23424
4632 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4633 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4634 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4635 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4636 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4637 swapped, alternatives for the R constraint.
4639 PR middle-end/24341
4640 * builtins.c (get_builtin_sync_mode): Make unlimited
4641 mode_for_size request.
4643 2005-10-15 Richard Henderson <rth@redhat.com>
4645 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4646 (gimplify_expr): ... here.
4647 (gimplify_compound_lval): Use it in initial scan loop. Allow
4648 fb_lvalue in base expression.
4650 2005-10-15 Richard Henderson <rth@redhat.com>
4652 PR 23714
4653 * builtins.c (expand_builtin_trap): Export.
4654 * expr.h (expand_builtin_trap): Declare.
4655 * expr.c (expand_assignment): Emit a trap for integral offsets
4656 from registers that weren't reduced to bitpos.
4658 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4659 (mark_array_ref_addressable): Remove.
4660 * tree-flow.h (mark_array_ref_addressable): Remove.
4661 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4663 2005-10-15 James E Wilson <wilson@specifix.com>
4665 PR target/24232
4666 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
4667 (add_dependence_list_and_free): Likewise.
4668 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4669 call.
4671 2005-10-15 Diego Novillo <dnovillo@redhat.com>
4673 PR 23141
4674 PR 23142
4675 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4676 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4677 anti-range.
4678 (vrp_visit_phi_node): Only prevent infinite iterations when
4679 the previous result and the new result are both VR_RANGEs.
4681 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
4683 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4684 function comment.
4686 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4688 PR c/23439
4689 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4690 to initialize loc.
4692 2005-10-14 Per Bothner <per@bothner.com>
4694 PR preprocessor/21250
4695 * c-ppoutput.c (print_line): Print internal line 0 as 1.
4697 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
4699 PR c++/22551
4700 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4701 overflow flags. Refactor some conditionals.
4703 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
4705 PR tree-opt/21304
4706 * tree-dfa.c (add_referenced_var): Only look at decls which
4707 have TREE_CONSTANT or TREE_READONLY set instead of if
4708 !TREE_PUBLIC or !TREE_CONSTANT.
4710 2005-10-13 James E Wilson <wilson@specifix.com>
4712 * doc/invoke.texi: For -x, add f95-cpp-input.
4713 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4715 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
4717 PR tree-optimization/24262
4718 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4719 in loop all the time.
4721 2005-10-12 Richard Henderson <rth@redhat.com>
4723 PR c/24255
4724 * tree.h (DECL_TRANSPARENT_UNION): Remove.
4725 * function.c (assign_parm_find_data_types): Don't support it.
4726 * print-tree.c (print_node): Likewise.
4727 * c-common.c (handle_transparent_union_attribute): Likewise.
4728 Use build_duplicate_type.
4729 * tree-inline.c (remap_type_1): Split out of remap_type;
4730 properly remap aggregate fields.
4731 (build_duplicate_type): New.
4732 * doc/extend.texi (Variable Attributes): Remove documentation
4733 for transparent_union.
4735 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4737 PR target/24284
4738 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4739 (gen_stack_pointer_dec): Likewise.
4741 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
4743 PR middle-end/21275
4744 PR middle-end/21766
4745 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4746 target hook.
4747 (struct cxx): Add adjust_class_at_definition target hook.
4748 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4749 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4750 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4751 hook_void_tree. Add to TARGET_CXX.
4752 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4753 dllimport_flag.
4754 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4755 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4756 instead of attribute. Check for dllexport override. Warn if
4757 inconsistent dll linkage. Don't lose old dllimport if decl has
4758 had address referenced. Tweak lookup of dllimport atribute.
4759 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4760 for target specific rules. Don't add dllimport attribute if
4761 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
4762 dllimport attribute.
4763 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4764 * varasm.c (initializer_constant_valid_p): Replace
4765 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4767 PR target/21801
4768 PR target/23589
4769 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4770 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4771 (i[34567]86-*-mingw32*): Likewise.
4773 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4774 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4776 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4777 C++-specific code. Change return value to bool.
4778 (i386_pe_dllimport_p): Likewise.
4779 (associated_type): Simplify and make language-independent
4780 (i386_pe_encode_section_info): Replace override of ambiguous
4781 dllimport symbol refs with a gcc_assert.
4782 (i386_pe_valid_dllimport_attribute_p): Define.
4783 * config/i386/winnt-cxx.c: New file. Define C++ versions of
4784 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4785 i386_pe_adjust_class_at_definition.
4786 * config/i386/winnt-stubs.c: New file. Define stub versions of
4787 lang-specific functions.
4788 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4789 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4790 i386_pe_adjust_class_at_definition.
4791 (i386_pe_valid_dllimport_attribute_p): Declare.
4792 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4793 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4794 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4796 PR target/19704
4797 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4798 dllimport attribute with test of DECL_DLLIMPORT_P.
4800 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
4802 * combine.c (make_extraction): Correct offset computation.
4804 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
4806 * config/cris/t-linux (LIMITS_H_TEST): Define.
4808 2005-10-12 Richard Henderson <rth@redhat.com>
4810 PR rtl-opt/23324
4811 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4813 2005-10-12 Richard Guenther <rguenther@suse.de>
4815 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4817 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
4819 PR c++/19964
4820 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4821 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4822 type.
4824 2005-10-12 Richard Guenther <rguenther@suse.de>
4826 PR c++/23799
4827 * varasm.c (output_constant): Correct typo from previous
4828 patch by DJ.
4830 2005-10-11 Ian Lance Taylor <ian@airs.com>
4832 PR rtl-optimization/13931
4833 * combine.c: Revert patch of 2003-05-14, and:
4834 (try_combine): Only set elim_i1 and elim_i2 if the destination is
4835 completely killed in the appropriate insn.
4836 (distribute_notes): Don't skip multiple hard register test for
4837 elim_i1 and elim_i2.
4839 2005-10-11 Richard Henderson <rth@redhat.com>
4841 PR c/24255
4842 * c-typeck.c (convert_for_assignment): Use build_constructor_single
4843 to initialize a transparent union instead of a nop_expr.
4845 2005-10-11 Richard Henderson <rth@redhat.com>
4847 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4848 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4849 (tree_ssa_dce_loop): Call scev_reset.
4851 PR tree-opt/24300
4852 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4853 * tree-ssa-dce.c: Include cfgloop.h.
4854 (tree_ssa_dce_loop, pass_dce_loop): New.
4855 * tree-pass.h (pass_dce_loop): Declare it.
4856 * passes.c (init_optimization_passes): Use it.
4858 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4860 PR middle-end/24263
4861 * convert.c (convert_to_real): Revert 2005-10-05 patch.
4862 Only apply the optimization for rounding builtins if the inner
4863 cast is also an extension.
4865 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
4867 PR tree-opt/23946
4868 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4869 mark_new_vars_to_rename instead of update_stmt.
4871 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
4873 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4875 2005-10-11 Jakub Jelinek <jakub@redhat.com>
4877 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4878 for setting MMX register to 0 rather than mmx.
4880 2005-10-10 Steve Ellcey <sje@cup.hp.com>
4882 PR target/12098
4883 * configure.ac: Move gas check from mips specific case to common case.
4884 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4885 * configure: Regenerate
4886 * doc/install.texi: Update.
4888 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4890 PR target/24284
4891 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4893 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
4895 * gcc.c (do_spec_1): Accept numeric characters in file name
4896 suffixes.
4898 2005-10-10 Nick Clifton <nickc@redhat.com>
4900 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
4901 describing the deleted arm_gen_rotated_half_load function.
4903 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
4905 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4906 __fpscr_values.
4908 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
4910 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4911 gnu_ld assignments.
4912 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4913 (EXTRA_MULTILIB_PARTS): Define.
4914 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4915 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4916 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4917 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4918 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4919 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4921 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
4923 PR tree-optimization/24226
4924 * tree-cfg.c (remove_bb): Clean up unreachable loops.
4925 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4926 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4927 Export.
4929 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4931 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4933 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
4935 PR target/24136
4936 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4937 Rewrite for no need for the early clobber.
4939 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4941 Merge from csl-arm-branch:
4942 2005-09-07 Paul Brook <paul@codesourcery.com>
4943 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4944 space to string.
4946 2005-04-30 Paul Brook <paul@codesourcery.com>
4947 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4948 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4950 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
4951 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4952 (arm_override_options): Use TARGET_AAPCS_BASED.
4953 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4954 (PTRDIFF_TYPE): Use int for AAPCS.
4955 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4956 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4957 (DEFAULT_SHORT_ENUMS): Delete.
4958 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4960 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
4961 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4962 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4963 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4965 2004-12-03 Mark Mitchell <mark@codesourcery.com>
4966 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4968 2004-11-22 Mark Mitchell <mark@codesourcery.com>
4969 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4971 2004-11-19 Mark Mitchell <mark@codesourcery.com>
4972 * config.gcc (arm*-*-linux-gnueabi): Add it.
4973 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4974 redefining it.
4975 (TARGET_OS_CPP_BUILTINS): Likeiwse.
4976 * config/arm/linux-eabi.h: New file.
4977 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4978 (LINUX_TARET_LINK_SPEC): Likewise.
4979 (LINK_SPEC): Use it.
4980 * config/arm/t-linux-eabi: New file.
4982 2005-10-08 Steven Bosscher <stevenb@suse.de>
4984 PR other/22202
4985 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4986 spaces.
4987 (PARAM_SMS_DFA_HISTORY): Likewise.
4989 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4991 PR middle-end/23150
4992 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4993 (load_register_parameters): Call it.
4994 (check_sibcall_argument_overlap_1): Likewise.
4995 (store_one_arg): Likewise.
4997 2005-10-07 James E. Wilson <wilson@specifix.com>
4999 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5000 DImode not VECINT24 for operand 2.
5002 PR target/23644
5003 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5004 -mtune-arch.
5006 PR target/24193
5007 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5008 fr_spill): Use destination_operand for operand 0.
5010 2005-10-07 DJ Delorie <dj@redhat.com>
5012 * varasm.c (output_constant): Limit error to expanding
5013 conversions.
5015 2005-10-07 Richard Guenther <rguenther@suse.de>
5017 PR middle-end/24227
5018 * fold-const.c (fold_binary): Fix operand types during folding
5019 of X op (A, Y). Evaluation order of the side-effects of
5020 X and A are frontend-defined, so ensure we honour that even for
5021 tcc_comparison class operands; eased by removing duplicate code.
5023 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5025 * stor-layout.c (layout_type): Do not allow alignment of array
5026 elements to be greater than their size.
5028 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5030 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5031 host_xmake_file.
5032 (hppa*-*-linux*): Ditto.
5033 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5034 * config/host-hpux.c: New.
5035 * config/x-hpux: New.
5036 * config/pa/x-hpux: Remove.
5037 * config/pa/x-linux: Remove.
5038 * config/pa/pa-host.c: Remove.
5040 2005-10-07 Jeff Law <law@redhat.com>
5042 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5043 determine whether or not to try and thread outgoing edges.
5045 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5047 * config/rs6000/rs6000.md (eqsi_power): New.
5048 (neg_eq0si): Add TARGET_POWER to final condition.
5049 (neg_eqsi): Same.
5051 2005-10-06 Richard Henderson <rth@redhat.com>
5053 * config/rs6000/rs6000.c: Revert last change.
5055 2005-10-06 Richard Henderson <rth@redhat.com>
5057 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5058 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5060 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5062 PR middle-end/22216
5063 PR middle-end/23651
5064 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5065 out return_label and naked_return_label.
5067 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5069 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5070 change.
5072 2005-10-06 Richard Henderson <rth@redhat.com>
5074 PR tree-opt/22237
5075 * tree-inline.c (declare_return_variable): Handle modify_dest not
5076 being a DECL.
5078 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5080 Fix PR tree-optimization/22488
5081 * tree-ssa-structalias.c (check_for_overlaps): New function.
5082 (create_variable_info_for): Use it.
5084 2005-10-06 Richard Henderson <rth@redhat.com>
5086 PR debug/24070
5087 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5088 (dwarf2out_start_source_file): Print it.
5090 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5092 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5094 2005-10-06 Richard Henderson <rth@redhat.com>
5096 PR 23706
5097 * mode-switching.c (optimize_mode_switching): Clear transp bit
5098 for block with incomming abnormal edges.
5100 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5101 (fpscr_set_from_mem): Use them.
5102 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5103 (fpscr postinc splitters): Rewrite as peephole2+split.
5105 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5107 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5108 (eq<mode>_compare): Same.
5110 2005-10-06 Richard Guenther <rguenther@suse.de>
5112 PR tree-optimization/24238
5113 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5115 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5117 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5118 here. Use AC_PATH_PROG for environment variables instead of
5119 test -x.
5120 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5121 objdump also.
5122 * configure: Regenerated.
5124 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5126 PR target/23783
5127 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5128 then force it into a register.
5129 (call_value): Likewise.
5131 2005-10-06 Richard Henderson <rth@redhat.com>
5133 PR 24049
5134 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5135 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5136 under pass_vectorize.
5138 2005-10-05 Devang Patel <dpatel@apple.com>
5140 PR Debug/23205
5141 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5142 handling constants. Check NAMESPACE_DECL context for constants.
5144 2005-10-05 Eric Christopher <echristo@apple.com>
5146 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5148 2005-10-05 Richard Henderson <rth@redhat.com>
5150 PR 23714
5151 * tree-cfg.c (mark_array_ref_addressable_1): New.
5152 (mark_array_ref_addressable): New.
5153 * tree-flow.h (mark_array_ref_addressable): Declare.
5154 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5156 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5158 PR middle-end/20606
5159 PR middle-end/24069
5160 * reload.c (subst_reloads): When adding a REG_LABEL to a
5161 jump instruction, also update JUMP_LABEL.
5163 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5165 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5166 * bb-reorder.c (copy_bb_p): Use it.
5167 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5169 2005-10-05 Richard Henderson <rth@redhat.com>
5171 PR target/23602
5172 * toplev.c (process_options): Warn about unsupported combinations
5173 of unwind tables and omit-frame-pointer.
5174 * config/i386/i386.c (override_options): Similarly. Enable
5175 accumulate-outgoing-args if not explicitly disabled.
5177 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5179 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5180 Handle big endian vs. small endian.
5181 (vec_initv2sf): Handle big endian vs. small endian.
5182 (*vec_extractv2sf_1): Ditto.
5184 2005-10-05 Dale Johannesen <dalej@apple.com>
5186 * convert.c (convert_to_real): Don't convert
5187 (float)floor(double d) to floorf((float)d).
5189 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5191 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5193 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5195 PR tree-optimization/18587
5196 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5197 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5198 build_vuses): Change to VEC type.
5199 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5200 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5201 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5202 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5203 (get_name_decl): New. Return DECL_UID of base variable.
5204 (operand_build_cmp): New. qsort comparison routine.
5205 (operand_build_sort_virtual): New. Sort virtual build vector.
5206 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5207 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5208 (FINALIZE_BASE): Use get_name_decl.
5209 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5210 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5211 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5212 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5213 direct VEC_* manipulations.
5214 (build_ssa_operands): Call operand_build_sort_virtual.
5215 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5216 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5217 with direct VEC_* manipulations.
5218 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5219 with direct VEC manipulations.
5221 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5223 PR tree-optimization/21419
5224 PR tree-optimization/24146
5225 PR tree-optimization/24151
5227 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5228 (build_asm_expr): Call it if outputs are read-only.
5229 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5231 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5232 Paolo Bonzini <bonzini@gnu.org>
5234 PR target/23809
5236 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5237 enable the instructions and not just the built-ins.
5238 * doc/invoke.texi (x86 Options): Likewise.
5240 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5242 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5244 * doc/invoke.texi (Option Summary): Correct spelling
5245 of -mmacosx-version-min.
5247 2005-10-04 Devang Patel <dpatel@apple.com>
5249 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5250 real types.
5252 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5254 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5255 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5257 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5259 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5260 ("TE","tg"): New mode attributes.
5261 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5262 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5263 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5264 dword_mode and one for GPRmode.
5266 2005-10-04 Ian Lance Taylor <ian@airs.com>
5268 PR preprocessor/13726
5269 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5270 any comments passed in.
5272 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5274 * tree.c (annotate_with_file_line): Fix typo.
5276 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5278 PR ada/19382
5279 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5280 type used to access data in the inlined length == 1 case, use
5281 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5282 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5284 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5286 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5287 TARGET_SSE3 and only for TARGET_80387.
5288 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5289 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5290 Do not depend on TARGET_80387.
5292 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5294 * tree.c (last_annotated_node): Change type to location_t*.
5295 (annotate_with_file_line): Reflect the change of
5296 last_annotated_node type.
5298 2005-10-04 Richard Guenther <rguenther@suse.de>
5300 PR c/23576
5301 * c-decl.c (grokdeclarator): Don't write to fields
5302 of error_mark_node.
5304 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5306 PR middle-end/23125
5307 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5308 register variables.
5309 * varasm.c (make_decl_rtl): If a register variable does not
5310 have a set user assmbler name, error out.
5311 Decode the asmspec is now name+1 bypassing '*'.
5313 2005-10-04 Steven Bosscher <stevenb@suse.de>
5315 PR tree-optimization/23049
5316 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5317 of a COND_EXPR is folded before calling fold on the whole rhs of a
5318 conditional assignment.
5319 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5320 document that a COND_EXPR may appear there.
5322 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5324 PR 23445
5325 * tree-vrp.c (extract_range_from_assert): If the new numeric
5326 range created out of the assertion contradicts the existing
5327 numeric range of the ASSERT_EXPR variable, make the new range
5328 varying.
5330 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5332 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5333 from T_REGS to FP register class.
5335 2005-10-03 Richard Henderson <rth@redhat.com>
5337 PR 24135
5338 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5339 before creating a new one.
5341 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5343 * config/rs6000/t-aix43 (LDFLAGS): New.
5344 * config/rs6000/t-aix52 (LDFLAGS): New.
5346 2005-10-03 Ian Lance Taylor <ian@airs.com>
5348 * gimplify.c (find_single_pointer_decl_1): New static function.
5349 (find_single_pointer_decl): New static function.
5350 (internal_get_tmp_var): For a formal variable, set restrict base
5351 information if appropriate.
5352 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5353 return it.
5354 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5355 (DECL_GET_RESTRICT_BASE): Define.
5356 (SET_DECL_RESTRICT_BASE): Define.
5357 (decl_restrict_base_lookup): Declare.
5358 (decl_restrict_base_insert): Declare.
5359 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5360 * tree.c (restrict_base_for_decl): New static variable.
5361 (init_ttree): Initialize restrict_base_for_decl.
5362 (copy_node_stat): Copy restrict base information.
5363 (decl_restrict_base_lookup): New function.
5364 (decl_restrict_base_insert): New function.
5365 (print_restrict_base_statistics): New static function.
5366 (dump_tree_statistics): Call print_restrict_base_statistics.
5368 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5370 PR 24142
5371 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5372 case of anti-ranges.
5374 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5376 PR c/18851
5377 * c-typeck.c (tagged_tu_seen): Rename to ...
5378 (tagged_tu_seen_cache): this and add val field.
5379 (comptypes): Move functional to comptypes_internal
5380 and free tagged_tu_seen.
5381 (comptypes_internal): New function and call comptypes_internal
5382 instead of comptypes. Speed up by sibcalling
5383 tagged_types_tu_compatible_p.
5384 (alloc_tagged_tu_seen): New function
5385 (free_all_tagged_tu_seen_up_to): New function.
5386 (tagged_types_tu_compatible_p): Return the val of the seen two
5387 types.
5388 Add that the two types are the same to tagged_tu_seen_base
5389 if they are and call comptypes_internal instead of comptypes.
5390 <case UNION_TYPE>: Speed up common type where the fields are
5391 in the same order.
5392 (function_types_compatible_p): Call comptypes_internal instead of
5393 comptypes.
5394 (type_lists_compatible_p): Likewise.
5395 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5397 2005-10-02 Matthias Klose <doko@debian.org>
5399 * doc/invoke.texi: Fix typo and speling error.
5401 2005-10-01 Richard Henderson <rth@redhat.com>
5403 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5405 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5407 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5408 using --start-group and --end-group.
5410 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5412 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5413 FIXME note regarding quirky semantics.
5415 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5417 PR 24141
5418 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5419 non-null range as a last resort.
5421 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
5422 Diego Novillo <dnovillo@redhat.com>
5424 PR 23604
5425 * tree-vrp.c (extract_range_from_assert): For !=
5426 assertions, only build an anti-range if LIMIT is a
5427 single-valued range.
5429 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
5431 * arm.md (movqi): On thumb when optimizing, handle loading from
5432 memory by describing this as taking a subreg of a zero-extended load
5433 into an SImode register.
5434 (movhi): Likewise.
5436 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
5438 * reload1.c (merge_assigned_reloads): Do not change any
5439 RELOAD_FOR_OUTPUT_ADDRESS reloads.
5441 2005-09-30 Geoffrey Keating <geoffk@apple.com>
5443 * Makefile.in (LIPO_FOR_TARGET): Define.
5444 (STRIP_FOR_TARGET): Define.
5446 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5447 before creating new ones. Do symlinks before creating the actual
5448 targets.
5450 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5451 to work out which multilibs are actually being built.
5453 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
5455 * tree-vect-transform.c, config/ms1/ms1.md,
5456 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5457 Follow spelling conventions.
5458 * doc/invoke.texi, doc/md.texi: Fix typos.
5460 2005-09-30 Andrew Macleod <amacleod@redat.com>
5462 PR tree-optimization/21430
5463 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5464 use operands, and set stmt pointer if need be.
5465 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5466 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5467 present.
5469 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5471 PR middle-end/24053
5472 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5474 2005-09-29 Mark Mitchell <mark@codesourcery.com>
5476 * optabs.c (expand_binop): Initialize first_pass_p.
5478 2005-09-29 Jakub Jelinek <jakub@redhat.com>
5480 PR middle-end/24109
5481 * c-decl.c (c_write_global_declarations_1): If any
5482 wrapup_global_declaration_2 call returned true, restart the loop.
5484 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
5486 Fix PR tree-optimization/24117
5487 * tree-ssa-structalias.c (find_func_aliases): Strip nops
5488 before considering whether to use anyoffset.
5490 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5492 Revert this patch:
5494 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5496 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5497 to order operands.
5498 (swap_commutative_operands_with_target): New.
5500 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5502 PR c/21419
5503 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5504 read-only.
5506 2005-09-29 Steven Bosscher <stevenb@suse.de>
5508 PR tree-optimization/23911
5509 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5510 and IMAGPART_EXPR too.
5512 2005-09-28 Mark Mitchell <mark@codesourcery.com>
5514 PR 17886
5515 * expmed.c (expand_shift): Move logic to reverse rotation
5516 direction when rotating by constants ...
5517 * optabs.c (expand_binop): ... here.
5518 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5519 (ix86_rotrdi3): New pattern.
5520 (rotldi3): Handle 32-bit mode.
5521 (ix86_rotldi3): New pattern.
5523 2005-09-29 Alan Modra <amodra@bigpond.net.au>
5525 PR target/24102
5526 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5527 check for numbers that need no bit twiddle.
5529 2005-09-28 Geoffrey Keating <geoffk@apple.com>
5531 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5532 multilib to be built.
5534 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5535 (stage1-start): Delete old libgcc and libunwind before moving
5536 anything into the stage directory.
5537 (stage2-start): Likewise.
5538 (stage3-start): Likewise.
5539 (stage4-start): Likewise.
5540 (stageprofile-start): Likewise.
5541 (stagefeedback-start): Likewise.
5542 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5543 header in tm_file and CPU-specific t-darwin in tmake_file.
5544 (i[34567]86-*-darwin*): Don't change tm_file.
5545 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5546 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5547 shared library stub for target OS version.
5548 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5549 (SHLIB_LINK): Don't make SHLIB_SOLINK.
5550 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5551 (libgcc_s.%.dylib): New.
5552 (LIBGCC): Define.
5553 (install-darwin-libgcc-stubs): New.
5554 (INSTALL_LIBGCC): New append.
5555 * config/i386/darwin-libgcc.10.4.ver: New.
5556 * config/i386/darwin-libgcc.10.5.ver: New.
5557 * config/i386/t-darwin: New.
5558 * config/rs6000/darwin-libgcc.10.4.ver: New.
5559 * config/rs6000/darwin-libgcc.10.5.ver: New.
5560 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5561 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5563 2005-09-28 Paul Brook <paul@codesourcery.com>
5565 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5566 denormals.
5568 2005-09-28 Richard Guenther <rguenther@suse.de>
5570 PR tree-optimization/23853
5571 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5572 host_integerp to verify misalignment value.
5574 2005-09-28 Richard Henderson <rth@redhat.com>
5576 * builtins.c (get_builtin_sync_mode): New.
5577 (expand_builtin_sync_operation): Pass in mode argument.
5578 (expand_builtin_compare_and_swap): Likewise.
5579 (expand_builtin_lock_test_and_set): Likewise.
5580 (expand_builtin_lock_release): Likewise.
5581 (expand_builtin): Update to match.
5583 2005-09-28 Nick Clifton <nickc@redhat.com>
5585 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5586 formatting. Add check to PLUS case to ensure that the offset is
5587 within an acceptable range.
5589 * config/v850/v850.md (casesi): Disable the generation of the
5590 switch pattern as it is not being handled properly at the moment.
5592 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5593 for when the high words are identical.
5595 2005-09-27 Richard Henderson <rth@redhat.com>
5597 * pretty-print.c (pp_base_format): Fix typo for %>.
5599 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
5600 Devang Patel <dpatel@apple.com>
5602 PR tree-optimization/23625
5603 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5604 LABEL_EXPR, assertion check.
5606 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
5608 * optabs.c (no_conflict_move_test): Check if a result of a
5609 to-be-moved insn would be clobbered by an originally
5610 preceding insn.
5612 2005-09-27 Jeff Law <law@redhat.com>
5614 * passes.c (init_optimization_passes): Replace copy propagation
5615 passes immediately after DOM with phi-only copy propagation
5616 pases. Add phi-only copy propagation pass after first DOM pass.
5617 * tree-pass.h (pass_phi_only_copy_prop): Declare.
5618 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5619 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5620 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
5621 to init_copy_prop. Callers updated.
5622 (do_phi_only_copy_prop): New function.
5623 (pass_phi_only_copy_prop): New pass descriptor.
5625 2005-09-27 Nick Clifton <nickc@redhat.com>
5627 * libgcc2.c (__popcount_tab): Remove redundant prototype.
5629 2005-09-26 Jason Merrill <jason@redhat.com>
5631 PR c++/13764
5632 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5634 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5636 2005-09-26 James E Wilson <wilson@specifix.com>
5638 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5639 copyright. Add gcc copyright plus libgcc exception.
5640 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
5641 copyright.
5642 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5644 2005-09-26 Jeff Law <law@redhat.com>
5646 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5647 about when to iterate.
5649 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
5651 PR target/23847
5652 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5653 for __complex__ double in -mcpu=G5 mode.
5655 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
5657 PR tree-optimization/23942
5658 * Makefile.in (SCEV_H): Depends on PARAMS_H.
5659 * tree-scalar-evolution.c: Include params.h.
5660 (t_bool): New enum.
5661 (follow_ssa_edge, follow_ssa_edge_in_rhs,
5662 follow_ssa_edge_in_condition_phi_branch,
5663 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5664 Change return type to t_bool. Use a parameter to limit the size of
5665 trees that are walked before stopping
5666 (analyze_evolution_in_loop): Initialize the limit to 0.
5667 (follow_ssa_edge): Give up by returning t_dont_know if the limit
5668 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5670 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5672 PR middle-end/23831
5673 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5674 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5676 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
5678 * combine.c (make_extraction): Check for valid use of subreg.
5680 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5682 PR target/24055
5683 * config/i386/i386.md ("*fistdi2_1"): New pattern.
5684 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5685 ("fist<mode>2_with_temp"): Use only register operands.
5687 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
5689 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5690 CALL_INSN_FUNCTION_USAGE.
5692 2005-09-26 Richard Guenther <rguenther@suse.de>
5694 PR middle-end/15855
5695 * gcse.c: Include hashtab.h, define ldst entry hashtable.
5696 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5697 (ldst_entry): Use the hashtable instead of list-walking.
5698 (find_rtx_in_ldst): Likewise.
5699 (free_ldst_entry): Free the hashtable.
5700 (compute_ld_motion_mems): Create the hashtable.
5701 (trim_ld_motion_mems): Remove entry from hashtable if
5702 removing it from list.
5703 (compute_store_table): Likewise^2.
5704 (store_motion): Free hashtable in case we did not see
5705 any stores.
5707 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
5709 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5710 and arg1 if we are passing them to fold_build2.
5712 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
5714 PR 23828
5715 * config/i386/i386.c (ix86_function_regparm): Fix the test for
5716 a nested function.
5718 2005-09-25 Richard Henderson <rth@redhat.com>
5720 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5721 SYMBOL_REF_TLS_MODEL to be correct.
5723 2005-09-24 Richard Henderson <rth@redhat.com>
5725 * ipa-type-escape.c (discover_unique_type): Remove dead code at
5726 end of function. Reindent.
5728 2005-09-24 Ian Lance Taylor <ian@airs.com>
5730 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5731 NEGATE_EXPR/BIT_NOT_EXPR case.
5733 2005-09-24 Richard Henderson <rth@redhat.com>
5735 * c-common.c (handle_mode_attribute): When not modifying in place,
5736 create subtypes for enumerations.
5737 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5738 * gimplify.c (create_tmp_from_val): Likewise.
5740 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
5742 * config/i386/i386.md (*tls_global_dynamic_64,
5743 *tls_local_dynamic_base_64): Add missing mode to call.
5744 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5746 2005-09-24 Jan Hubicka <jh@suse.cz>
5748 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5749 (cgraph_clone_node): Likewise.
5750 * cgraph.h (cgraph_clone_edge): Update prototype.
5751 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5752 duplicated prototypes; add updating argument.
5753 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5754 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5755 updating profile.
5756 (cgraph_mark_inline_edge): Likewise.
5757 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5758 (cgraph_flatten_node): Likewise.
5759 (cgraph_decide_recursive_inlining): Likewise.
5760 (cgraph_decide_inlining_of_small_function): Likewise.
5761 * tree-optimize.c (tree_rest_of_compilation): Likewise.
5763 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5764 Pete Steinmetz <steinmtz@us.ibm.com>
5766 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5767 (rldic.): Set type to "compare".
5768 (rldicr.): Same.
5769 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
5770 mfjmpr for MFCTR/MFLR.
5771 (movdf_hardfloat64): Same.
5772 (movdf_softfloat64): Same. Correct order of store and move types.
5773 (movti_string): Set type to store_ux/load_ux.
5774 (load_multiple): Set type to load_ux.
5775 (store_multiple): Set type to store_ux.
5776 (movmemsi): Set type to store_ux.
5777 (output_cbranch direct_return): Set type to jmpreg.
5778 (stmw): Set type to store_ux.
5779 (lmw): Set type to load_ux.
5780 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5781 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5782 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5783 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5784 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5785 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5786 (rios1-fpstore): Increase latency to 3.
5787 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5788 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5790 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5791 Andrew Pinski <pinskia@physics.uc.edu>
5793 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5794 operand2 constraint to "b".
5795 (sync_<fetchop_name>di_internal): Same.
5796 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5797 to "b".
5798 (sync_old_<fetchop_name>di_internal): Same.
5799 (sync_new_<fetchop_name>si_internal): Same.
5800 (sync_new_<fetchop_name>di_internal): Same.
5802 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
5804 PR middle-end/23991
5805 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5806 case, define as macros.
5808 PR rtl-optimization/23837
5809 * optabs.c (no_conflict_move_test): Don't set must_stay for a
5810 clobber / clobber match between dest and p->first.
5812 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5813 (no_conflict_move_test): Update comments.
5815 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5817 * doc/install.texi: Update URL for Jacks.
5818 * doc/sourcebuild.texi: Likewise.
5820 2005-09-22 David Edelsohn <edelsohn@gnu.org>
5822 PR target/24007
5823 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5824 registers when choosing register preferences.
5825 (movdf_hardfloat64): Same.
5827 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
5829 * expmed.c (expand_shift): Don't use the target of the rotate as
5830 target for the first expanded shift insn.
5831 * testsuite/gcc.dg/20050922-1.c: Testcase added.
5833 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
5835 PR tree-optimization/22438
5836 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5837 preserved iv rhs rewriting specially.
5839 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
5841 * tree-data-ref.c (analyze_array_indexes): Only estimate when
5842 estimate_only is true.
5843 * tree-flow.h (ref_contains_indirect_ref): New prototype.
5844 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5845 tree-ssa-structalias.c
5846 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5847 ref_contains_indirect_ref.
5848 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5850 2005-09-21 DJ Delorie <dj@redhat.com>
5852 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5853 MASK_PTR_A0D0.
5854 (mn10300_return_in_memory): Support variable size types also.
5855 (mn10300_pass_by_reference): Likewise.
5856 (mn10300_function_value): New.
5857 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5858 (FUNCTION_OUTGOING_VALUE): Likewise.
5859 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5860 * doc/invoke.texi: Document it.
5862 2005-09-21 Uros Bizjak <uros@kss-loka.si>
5864 PR target/22585
5865 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5866 force integer op1 into register for XFmode compares.
5868 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5870 PR middle-end/23971
5871 * expmed.c (alg_code): Add alg_impossible.
5872 (alg_hash_entry): Add cost.
5873 (synth_mult): Record alg_impossible in the hash table if
5874 multiplication by a given integer is impossble within the
5875 limit. Speed up using alg_impossible.
5877 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5879 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5880 argument. Allow and set any offset if needs_anyoffset is passed
5881 in.
5882 (get_constraint_for): Add argument here too.
5883 Pass it down.
5884 (do_structure_copy): Pass NULL to get_constraint_for.
5885 (handle_ptr_arith): Ditto.
5886 (find_func_aliases): Ditto.
5888 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
5890 PR rtl-optimization/23898
5891 * output.h (get_attr_min_length): Declare.
5892 * final.c (get_attr_length_1): New function, broken out of:
5893 (get_attr_length).
5894 (get_attr_min_length): New function.
5895 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5896 (duplicate_computed_gotos): Likewise.
5897 * genattr.c (insn_min_length): Generate declaration.
5898 * genattrtab.c (min_fn, min_attr_value): New functions.
5899 (make_length_attrs): Generate insn_min_length.
5901 2005-09-20 Steve Ellcey <sje@cup.hp.com>
5903 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5905 2005-09-20 Richard Henderson <rth@redhat.com>
5907 PR tree-optimization/24059
5908 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5909 EXPAND_STACK_PARM.
5911 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
5913 * c.opt (fextended-identifiers): New.
5914 * c-opts.c (c_common_handle_option): Handle
5915 -fextended-identifiers.
5916 * doc/cpp.texi: Update documentation of extended identifiers.
5917 * doc/cppopts.texi (-fextended-identifiers): Document.
5919 2005-09-20 Jakub Jelinek <jakub@redhat.com>
5921 PR tree-optimization/23929
5922 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5923 if expr is NULL.
5925 PR tree-optimization/23818
5926 * tree-stdarg.c (execute_optimize_stdarg): Call
5927 calculate_dominance_info.
5929 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5931 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5932 (analyze_siv_subscript_cst_affine): Add weak SIV test.
5933 (compute_overlap_steps_for_affine_1_2): Use
5934 get_number_of_iters_for_loop.
5935 (analyze_subscript_affine_affine): Check whether difference is
5936 zero first.
5937 Use get_number_of_iters_for_loop.
5938 Check whether overlap occurs outside of bounds.
5939 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5941 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
5943 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5944 base register if possible.
5946 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
5948 PR tree-optimization/18463
5949 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5950 converting it directly is not possible.
5951 (chrec_convert_aggressive): New function.
5952 * tree-chrec.h (chrec_convert_aggressive): Declare.
5953 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5954 Fold chrec conversions aggressively if asked to.
5955 (instantiate_parameters): Modified because of changes in
5956 instantiate_parameters_1.
5958 2005-09-19 Richard Henderson <rth@redhat.com>
5960 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5961 (reduc_splus_v2df): New.
5963 2005-09-19 Richard Sandiford <richard@codesourcery.com>
5965 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5966 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
5968 2005-09-19 Richard Henderson <rth@redhat.com>
5970 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5971 vcondu<SSEMODE12>.
5973 2005-09-19 Richard Henderson <rth@redhat.com>
5975 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5976 (ia64_expand_dot_prod_v8qi): New.
5977 * config/ia64/ia64-protos.h: Update.
5978 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5979 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5980 sdot_prodv8qi, sdot_prodv4hi): New.
5981 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5983 2005-09-19 Richard Henderson <rth@redhat.com>
5985 PR 23941
5986 * real.c (exact_real_truncate): Return false if the format cannot
5987 represent the number as a normal.
5989 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5990 for a memory source.
5992 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
5994 * tree-ssa-operands.c (swap_tree_operands): Export.
5995 * tree.h (swap_tree_operands): Declare.
5996 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5997 Call swap_tree_operands.
5999 2005-09-19 Richard Henderson <rth@redhat.com>
6001 * tree-flow.h (merge_alias_info): Declare.
6002 * tree-ssa-copy.c (merge_alias_info): Export.
6003 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6004 (vect_create_data_ref_ptr): Use create_iv directly.
6005 (vectorizable_load): Use correct types for integer constants.
6006 (vect_generate_tmps_on_preheader): Likewise.
6007 (vect_gen_niters_for_prolog_loop): Likewise.
6009 2005-09-19 Steven Bosscher <stevenb@suse.de>
6011 PR rtl-optimization/23943
6012 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6014 2005-09-18 Jan Hubicka <jh@suse.cz>
6016 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6018 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
6020 * varasm.c (output_constant): Do not abort on conversions to union
6021 types between different sizes.
6023 2005-09-18 Richard Guenther <rguenther@suse.de>
6025 PR middle-end/23944
6026 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6027 fallback.
6029 2005-09-18 Paul Brook <paul@codesourcery.com>
6031 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6033 2005-09-17 Richard Henderson <rth@redhat.com>
6035 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6036 * tree-ssa-loop.c (pass_vect_dce): Remove.
6037 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6038 of pass_vectorize.
6040 2005-09-17 Richard Henderson <rth@redhat.com>
6042 * tree-pass.h (pass_vect_dce): Declare.
6043 * passes.c (init_optimization_passes): Add it.
6044 * tree-flow.h (tree_ssa_dce): Declare.
6045 * tree-ssa-dce.c (tree_ssa_dce): Export.
6046 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6047 (gate_tree_vectorize): ... here.
6048 (pass_vect_dce): New.
6050 2005-09-17 Jan Hubicka <jh@suse.cz>
6052 * except.c (struct eh_status): Turn region_array into vec.
6053 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6054 convert_from_eh_region_ranges, find_exception_handler_labels,
6055 current_function_has_exception_handlers, assign_filter_values,
6056 build_post_landing_pads, dw2_build_landing_pads,
6057 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6058 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6059 foreach_reachable_handler, can_throw_internal_1,
6060 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6061 region_array.
6062 (duplicate_eh_region_1): Update region_array.
6063 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6065 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6067 PR middle-end/22067
6068 * expmed.c (expand_mult): Substitute simple register for op0 when
6069 computing max_cost.
6071 2005-09-17 Richard Henderson <rth@redhat.com>
6073 * expr.c (emit_move_via_integer): Add force argument, pass it on
6074 to emit_move_change_mode. Update callers.
6075 (emit_move_complex): Pass true to new force argument.
6076 * function.c (expand_function_end): Move expand_eh_return call
6077 earlier. Merge sub-word complex values into a pseudo before
6078 copying to the return hard register.
6080 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6082 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6083 between different sizes.
6085 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6087 PR 23903
6089 * passes.c (init_optimization_passes): Register dump files for
6090 IPA passes first.
6092 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6094 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6095 * config/s390/s390.c (s390_overlap_p): New function.
6096 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6097 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6098 condition.
6100 2005-09-16 Richard Guenther <rguenther@suse.de>
6102 * ipa-pure-const.c (static_execute): Free auxiliar information.
6103 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6104 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6106 2005-09-15 DJ Delorie <dj@redhat.com>
6108 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6110 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6112 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6113 to order operands.
6114 (swap_commutative_operands_with_target): New.
6116 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6118 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6119 parameter.
6120 Update callers.
6121 (estimate_iters_using_array): New function.
6122 * tree-data-ref.h (estimate_iters_using_array): Prototype
6123 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6124 Use estimate_iters_using_array instead of analyze_array.
6126 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6128 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6129 as addressable.
6131 2005-09-15 Michael Matz <matz@suse.de>
6133 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6135 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6137 PR tree-optimization/23835
6138 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6139 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6141 2005-09-14 Richard Henderson <rth@redhat.com>
6143 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6144 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6146 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6148 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6149 in the ARRAY_TYPE case.
6151 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6153 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6155 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6157 PR middle-end/22480
6158 * tree-vect-transform.c (vectorizable_operation): Return false for
6159 scalar shift operations and for vector shift operations with
6160 non-invariant shift arguments. Use scalar tree operand op1 as
6161 a shift operand when vector shift insn pattern uses scalar shift
6162 operand.
6163 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6165 2005-09-14 Olivier Hainque <hainque@adacore.com>
6167 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6168 value if it has side-effects.
6170 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6172 PR target/22068
6173 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6175 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6177 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6178 passed as NAME as if it were label at start of function code.
6180 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6182 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6183 the constraints.
6185 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6187 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6188 as early clobber. Rewrite so the PIC register is not implicitly used.
6190 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6192 * tree.c (annotate_with_file_line): Compare line numbers before
6193 file names.
6195 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6197 PR target/23816
6198 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6199 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6201 2005-09-13 Ian Lance Taylor <ian@airs.com>
6203 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6204 than a HOST_WIDEST_INT to gen_doloop_begin.
6206 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6208 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6210 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6212 PR tree-optimize/23817
6213 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6215 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6217 PR target/23774
6218 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6219 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6220 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6221 (restore_stack_nonlocal): Likewise.
6222 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6224 2005-09-12 Ian Lance Taylor <ian@airs.com>
6226 PR g++/7874
6227 * c.opt (ffriend-injection): New C++ option.
6228 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6229 (C++ Dialect Options): Document -ffriend-injection.
6231 2005-09-12 Josh Conner <jconner@apple.com>
6233 PR middle-end/23237
6234 * ipa-reference.c (static_execute): Don't mark variables in
6235 named sections TREE_READONLY.
6237 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6239 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6240 stack_tie.
6242 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6244 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6245 V_MUST_DEF instead of just the first_use_p.
6246 Don't mark the virtual variables for renaming on the statement which
6247 is being removed.
6248 (pass_dse): Remove TODO_update_ssa.
6250 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6252 PR middle-end/23290
6253 * stor-layout.c (compute_record_mode): For records with a single
6254 field, actually check the field's mode size against the type size.
6256 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6257 registers for TARGET_SHMEDIA.
6258 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6259 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6260 of GENERAL_REGS and FP_REGS.
6262 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6264 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6266 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6268 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6269 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6270 are omitted. Exclude stack_tie insn too.
6272 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6274 PR rtl-optimization/23098
6275 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6276 0.0f is easy.
6277 * config/rs6000/rs6000.md (movdf splitter): Use
6278 const_double_operand predicate for TARGET_POWERPC64.
6279 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6280 SYMBOL_REF method to ABI_V4.
6282 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6283 replace_equiv_address.
6284 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6285 rs6000_sr_alias_set and MEM_NOTRAP.
6286 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6288 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6290 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6291 handle CALL_EXPR again.
6293 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6295 * arm/predicates.md (alignable_memory_operand): Delete.
6297 2005-09-10 Richard Henderson <rth@redhat.com>
6299 PR debug/23806
6300 * dbxout.c (dbxout_expand_expr): New.
6301 (dbxout_symbol): Use it.
6303 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6305 * arm.c (arm_gen_rotated_half_load): Delete.
6306 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6307 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6308 (thumb_set_return_address): Likewise.
6309 (thumb_load_double_from_address): Use adjust_address.
6310 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6311 (extendhsisi2_mem, movhi_bytes): Use change_address.
6312 (movhi): Use widen_memory_access.
6313 (reload_out_df): Use replace_equiv_address.
6314 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6316 2005-09-09 Richard Henderson <rth@redhat.com>
6318 PR debug/20998
6319 * dbxout.c: Include expr.h.
6320 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6321 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6322 * Makefile.in (dbxout.o): Add EXPR_H.
6324 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6326 PR tree-optimization/23509
6327 * tree-cfg.c (replace_uses_by): Use replace_exp.
6328 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6329 pointers have name_mem_tag or type_mem_tag set.
6331 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6333 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6334 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6335 of wrongly accessing operands.
6337 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6339 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6340 * tree-chrec.c: Include tree-scalar-evolution.h.
6341 (chrec_convert): Instantiate the base and step before calling
6342 scev_probably_wraps_p that would fail on parametric evolutions.
6343 Collect all the fails into a single section failed_to_convert,
6344 print a diagnostic, and return chrec_dont_know instead of calling
6345 fold_convert.
6346 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6347 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6348 phi nodes.
6349 (scev_const_prop): Don't replace the definition of a loop closed ssa
6350 phi node by itself, or by another loop closed ssa phi node.
6351 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6352 that base and step are defined.
6354 2005-09-09 Richard Guenther <rguenther@suse.de>
6356 PR c++/23624
6357 * fold-const.c (fold_ternary): Check truth_value_p before
6358 calling invert_truthvalue.
6360 2005-09-09 Nick Clifton <nickc@redhat.com>
6362 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6363 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6364 dimension of these arrays.
6365 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6366 these arrays.
6367 * longlong.h: Only provide a prototype for the __clz_tab[] array
6368 if this header has not been included from libgcc2.h.
6369 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6370 defining own types.
6371 Provide prototypes for exported functions.
6372 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6373 libgcc2.c.
6375 2005-09-08 Josh Conner <jconner@apple.com>
6377 PR c++/21135
6378 PR c++/23180
6379 * expr.c (expand_expr_addr_expr_1): Don't invoke
6380 expand_simple_binop for EXPAND_INITIALIZER.
6382 2005-09-08 Richard Henderson <rth@redhat.com>
6384 PR debug/23190
6385 * toplev.c (wrapup_global_declaration_1): Split out ...
6386 (wrapup_global_declaration_2): ... from ...
6387 (wrapup_global_declarations): ... here. Return bool.
6388 (check_global_declaration_1): Split out ...
6389 (check_global_declarations): from here.
6390 (emit_debug_global_declarations): New.
6391 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6392 check_global_declaration_1, emit_debug_global_declarations): Declare.
6393 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6394 of decls. Call wrapup_global_declaration_1,
6395 wrapup_global_declaration_2, check_global_declaration_1 directly.
6396 (c_write_global_declarations_2): New.
6397 (ext_block): New.
6398 (c_write_global_declarations): Call c_write_global_declarations_2.
6399 * langhooks.c (write_global_declarations): Call
6400 emit_debug_global_declarations.
6402 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6403 remove decls that have DECL_RTL_SET_P.
6404 * passes.c (rest_of_decl_compilation): Invoke
6405 cgraph_varpool_finalize_decl for all but functions.
6407 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6409 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6410 the result of a conversion if the new min and max cannot be compared.
6412 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6414 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6415 (override_options): Setting s390_sr_alias_set removed.
6416 (save_fpr, save_gprs): Set alias set to vararg or frame.
6417 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6418 s390_sr_alias_set with get_frame_alias_set ().
6419 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6420 get_varargs_alias_set ().
6422 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6424 PR objc/20574
6425 PR objc/19324
6426 * c-parser.c (c_parser_objc_method_definition): If the next
6427 token is not "{", error out and don't start the function.
6429 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6431 * tree-vrp.c (extract_range_from_expr): Move the check for non
6432 nullness after the check for gimple invariant.
6434 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6436 * tree.c (host_integerp, tree_low_cst): Correct function comment.
6438 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6440 PR target/23747
6441 * config/m32r.md (movmemsi_internal): Canonicalize order of
6442 operands in PLUS component of template.
6444 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
6446 * reload1.c (fixup_eh_region_note): Remove assertion.
6447 (fixup_abnormal_edges): Reverted removal of call to
6448 find_many_sub_basic_blocks made on 2005-08-31.
6450 2005-09-07 Richard Henderson <rth@redhat.com>
6452 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6453 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6454 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6455 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6456 rearrange for better packing.
6457 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6458 (lookup_cfa_1): Remove inline marker.
6459 (cfa_equal_p): Split out of ...
6460 (def_cfa_1): ... here. Use INVALID_REGNUM.
6461 (build_cfa_loc): Handle !cfa->indirect.
6462 (frame_pointer_cfa_offset): New.
6463 (dbx_reg_number): Assert register elimination performed; do
6464 leaf register remapping.
6465 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6466 (eliminate_reg_to_offset): New.
6467 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
6468 for verifiably local stack frame addresses; re-base to CFA.
6469 (mem_loc_descriptor): Remove can_use_fbreg argument.
6470 (concat_loc_descriptor, loc_descriptor): Likewise.
6471 (containing_function_has_frame_base): Remove.
6472 (rtl_for_decl_location): Don't do register elimination or
6473 leaf register remapping here.
6474 (secname_for_decl): Split out from ..
6475 (add_location_or_const_value_attribute): ... here.
6476 (convert_cfa_to_loc_list): New.
6477 (compute_frame_pointer_to_cfa_displacement): New.
6478 (gen_subprogram_die): Use them.
6479 * tree.h (frame_base_decl): Remove.
6480 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6481 (prologue_stack_adjust): Remove.
6482 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6483 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6484 (set_frame_base_location): Remove.
6485 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6486 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6487 (vt_add_function_parameters): Don't eliminate_regs.
6488 (vt_initialize): Don't create frame_base_decl.
6490 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6492 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6493 version of GNU binutils for 4.x and later.
6495 2005-09-06 Mark Mitchell <mark@codesourcery.com>
6497 * ggc-page.c (ggc_push_context): Remove.
6498 (ggc_pop_context): Likewise.
6499 * ggc.h (ggc_push_context): Remove.
6500 (ggc_pop_context): Likewise.
6502 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6504 PR target/8973
6505 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6506 returning from an interrupt handler.
6508 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6510 PR target/8972
6511 * config/arc/arc.c (output_shift): Add check for loop count when
6512 optimizing.
6514 2005-09-06 Steven Bosscher <stevenb@suse.de>
6516 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6517 form manually.
6518 (abs_replacement): Likewise.
6519 (pass_phiopt): Remove TODO_update_ssa.
6521 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6523 PR c/23075
6524 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6525 if "return with no value, in function returning non-void" warning
6526 has been issued.
6527 * tree-cfg.c (execute_warn_function_return): Don't look at
6528 RETURN_EXPRs with TREE_NO_WARNING set.
6530 PR target/22362
6531 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6532 for internal functions doesn't use registers used by global registers
6533 variables. Use fewer register parameters if there are global register
6534 variables.
6536 2005-09-06 Olivier Hainque <hainque@adacore.com>
6537 Eric Botcazou <ebotcazou@adacore.com>
6539 PR middle-end/14997
6540 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6541 when we would be extracting outside its bit span (bitpos+bitsize
6542 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6543 Ada unchecked conversions.
6545 2005-09-06 Steven Bosscher <stevenb@suse.de>
6547 * tree-ssa-pre.c (try_look_through_load): New function.
6548 (compute_avail): Use it to try to look through loads for some
6549 more useful expressions.
6551 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6553 * simplify-rtx.c (simplify_binary_operation_1): Correct the
6554 condition for detecting cases like (a&a) and (a^a).
6556 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
6558 * common.opt: Add option ftree-vect-loop-version.
6559 * params.def: Add --param vect-max-version-checks.
6560 * doc/invoke.texi: Document ftree-vect-loop-version and
6561 --param vect-max-version-checks.
6562 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6563 may_misalign_stmts and defines for accessors.
6564 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6565 LOOP_VINFO_MAY_MISALIGN_STMTS.
6566 (destroy_loop_vec_info): VEC_free for
6567 LOOP_VINFO_MAY_MISALIGN_STMTS.
6568 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6569 Update documentation.
6570 (vect_update_misalignment_for_peel): New.
6571 (vect_enhance_data_refs_alignment): Update to choose loop
6572 peeling or loop versioning if appropriate for the (potentially)
6573 unaligned data references in the loop.
6574 (vect_analyze_data_refs_alignment): Remove call to
6575 vect_enhance_data_refs_alignment so the checks can be done
6576 earlier.
6577 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6578 and move up call to vect_analyze_data_refs_alignment.
6579 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6580 (vect_transform_loop): Add call to loop_version.
6582 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6584 PR rtl-optimization/23098
6585 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6586 * simplify-rtx.c (constant_pool_reference_p): New function.
6587 * rtl.h (constant_pool_reference_p): New prototype.
6588 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6589 constant_pool_reference_p in condition and
6590 avoid_constant_pool_reference in preparation statements.
6592 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
6594 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6595 STRICT_LOW_PART SETs.
6597 2005-09-06 Alan Modra <amodra@bigpond.net.au>
6599 PR middle-end/21460
6600 * except.c (sjlj_emit_function_enter): Find the function begin
6601 note even when it's not in first basic block.
6603 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
6605 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
6606 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6607 * aclocal.m4: Regenerate.
6609 2005-09-05 DJ Delorie <dj@redhat.com>
6611 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6612 of macro.
6614 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
6616 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6617 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6618 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6619 Follow spelling conventions.
6620 * doc/invoke.texi: Follow spelling conventions.
6622 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6624 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6625 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6626 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6628 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6630 PR target/23683
6631 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6632 (output_stack_adjust): Use gen_tmp_stack_mem.
6633 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6634 (sh_set_return_address, sh_allocate_initial_value): Likewise.
6635 (sh_get_pr_initial_val): Likewise.
6636 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6637 (sh_initialize_trampoline): Likewise. Also use adjust_address.
6638 * sh.md (divsi_inv_m0): Use gen_const_mem.
6639 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6640 (movdf_i4+1): Use gen_tmp_stack_mem.
6641 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6642 (fpu_switch+2): Likewise.
6643 (movv4sf_i, movv16sf_i): Use adjust_address.
6644 (symGOT_load): Set MEM_NOTRAP_P bit.
6646 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6648 PR target/23721
6649 * pa.c (emit_move_sequence): Fix typo in last change.
6651 2005-09-03 Jakub Jelinek <jakub@redhat.com>
6653 PR rtl-optimization/23454
6654 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6655 is true.
6657 2005-09-03 Richard Henderson <rth@redhat.com>
6658 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6660 PR middle-end/23671
6661 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6662 gen_rtx_MEM.
6664 2005-09-02 Nicolas Pitre <nico@cam.org>
6666 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6667 to bit_count to 32 bits.
6669 2005-08-31 Mark Mitchell <mark@codesourcery.com>
6671 PR c++/23167
6672 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6673 generating synthetic loads from volatile lvalues.
6675 005-09-02 Nick Clifton <nickc@redhat.com>
6677 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6678 __ctzhi2, __clzhi2): New functions.
6680 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
6682 PR middle-end/23547
6683 * tree-nested.c (struct var_map_elt): Mark with GTY.
6684 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
6685 var_map_elt.
6686 (lookup_field_for_decl): Allocate new element in GC memory.
6687 (lookup_tramp_for_decl): Likewise.
6688 (convert_nl_goto_reference): Likewise
6689 (create_nesting_tree): Allocate info in GC memory. Likewise for
6690 info->var_map.
6691 (free_nesting_tree): Free with ggc_free instead of free.
6692 (root): New static variable.
6693 (lower_nested_functions): Remove root as local variable. And zero out
6694 root at the end of the function.
6696 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
6698 PR rtl-optimization/20365
6699 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6700 to short. New member ix.
6701 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6702 (simplify_plus_minus): Initialize ix members before calling qsort.
6704 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
6706 PR tree-optimization/23626
6707 * tree-cfg.c (replace_uses_by): Clean up eh info.
6709 2005-09-01 DJ Delorie <dj@redhat.com>
6711 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6712 fprintf.
6714 2005-09-01 David Edelsohn <edelsohn@gnu.org>
6716 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6717 (rs6000_split_multireg_move): Use replace_equiv_address instead of
6718 gen_rtx_MEM.
6720 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
6722 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
6723 do not issue warning for a variable definition following
6724 a declaration.
6726 2005-09-01 Richard Henderson <rth@redhat.com>
6728 PR 23668
6729 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6730 conversion to CONST_VECTOR.
6732 2005-09-01 Richard Henderson <rth@redhat.com>
6734 PR 23676
6735 * reload1.c (reload_as_needed): Check !CALL_P before calling
6736 fixup_eh_region_note.
6737 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6739 2005-09-01 DJ Delorie <dj@redhat.com>
6741 * varasm.c (output_constant): Let the target resolve
6742 conversions of addresses to non-default pointer sizes.
6744 2005-09-01 Nicolas Pitre <nico@cam.org>
6746 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6747 to alow matching ARM pre-indexed addressing mode.
6748 (arm_override_options): Remove now irrelevant comment.
6750 2005-09-01 Phil Edwards <phil@codesourcery.com>
6752 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
6753 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
6754 * config/i386/vxworks.h: Likewise.
6755 * config/i386/t-vxworksae: New file, for VxWorks AE.
6756 * config/i386/vxworksae.h: Likewise.
6758 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
6760 PR tree-optimization/23410
6761 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6762 sequence is not wrapping during the first step.
6764 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6766 PR debug/7241
6767 * dwarf2out.c (base_type_die): Compare char_type_node with
6768 TYPE_MAIN_VARIANT (type), not type.
6770 2005-09-01 Richard Guenther <rguenther@suse.de>
6772 PR tree-optimization/15366
6773 * common.opt: Add -finline-functions-called-once.
6774 Put -fearly-inlining in alphabetically ordered place.
6775 * doc/invoke.texi: Document new option.
6776 * ipa-inline.c (cgraph_decide_inlining): Honour
6777 flag_inline_functions_called_once.
6779 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6781 PR rtl-optimization/23478
6782 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6783 (alloc_qty): Initialize it.
6784 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6785 (combine_regs): Combine also n_throwing_calls_crossed fields.
6786 (find_free_reg): Don't attempt to caller-save pseudos crossing
6787 calls that might throw.
6788 * global.c (struct allocno): Add throwing_calls_crossed field.
6789 (global_alloc): Revert 2005-08-22 change. Initialize
6790 throwing_calls_crossed.
6791 (find_reg): Don't attempt to caller-save pseudos crossing calls that
6792 might throw.
6794 2005-09-01 Alan Modra <amodra@bigpond.net.au>
6796 PR target/23649
6797 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6798 (mask64_operand): Reinstate code prior to 2005-06-11 change.
6799 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6800 (and64_2_operand): Tweak to use predicate.
6801 (and_operand): Adjust for mask_operand changes.
6802 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6803 (print_operand): Likewise.
6804 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6805 (mask64_1or2_operand): Delete.
6806 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6807 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6808 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6809 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6810 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6811 (rotldi3_internal4): Likewise.
6812 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6813 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6814 (ashldi3_internal7): Likewise.
6815 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6816 (ashldi3_internal, ashldi3_internal9 split): Likewise.
6817 (anddi3 split): Don't match mask64_operand.
6818 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
6819 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
6820 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
6821 't' splitter predicate.
6822 (movdi_internal64 + 2): Revert 2005-06-11 change.
6824 2005-08-31 DJ Delorie <dj@redhat.com>
6826 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6827 (m32c_asm_integer): Add support for 32 bit pointers.
6829 2005-08-31 Richard Henderson <rth@redhat.com>
6831 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6832 component-like references for setting MEM_NOTRAP_P.
6834 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6835 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6837 2005-08-31 Richard Henderson <rth@redhat.com>
6839 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6840 into a pseudo before applying gen_lowpart.
6842 2005-08-31 Geoffrey Keating <geoffk@apple.com>
6844 * doc/install.texi (Specific): Update cctools version required
6845 for full functionality.
6846 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6847 linkers as -macosx_version_min.
6849 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
6851 PR target/21255
6852 * sh.c (print_operand, %R and %S): Add handling of floating point
6853 registers, memory, constants and invalid operands.
6855 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
6857 * ipa-pure-const.c: Change dump name.
6859 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6861 PR target/23570
6862 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6863 to "reg_or_0_operand".
6864 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6866 2005-08-31 Dale Johannesen <dalej@apple.com>
6868 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
6869 loops that count down.
6871 2005-08-31 Richard Henderson <rth@redhat.com>
6873 PR rtl-opt/23601
6874 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6875 (fixup_eh_region_note): New.
6876 (reload_as_needed): Call it.
6877 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6878 don't call find_many_sub_basic_blocks; call verify_flow_info.
6879 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6880 (keep_stack_depressed): Likewise.
6881 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6883 2005-08-31 Richard Henderson <rth@redhat.com>
6885 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6886 fp return matching.
6888 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
6890 * expr.c (expand_expr_real_1): Compare size of address
6891 mode to target's address mode size in deciding expansion of
6892 the constant address.
6894 2005-08-31 Richard Guenther <rguenther@suse.de>
6896 PR middle-end/23477
6897 * expr.c (all_zeros_p): New function.
6898 (expand_expr_real_1): Handle the case of an all-zero
6899 non-addressable constructor separately.
6901 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
6903 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6904 arguments, adjust all callers.
6905 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6907 2005-08-30 Richard Henderson <rth@redhat.com>
6909 PR target/23630
6910 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6911 whenever the mode sizes match.
6913 2005-08-31 Alan Modra <amodra@bigpond.net.au>
6915 * calls.c (load_register_parameters): Fix comment typo.
6916 * expr.c (emit_push_insn): Comment formatting.
6918 2005-08-30 Ian Lance Taylor <ian@airs.com>
6920 * config/i386/x-cygwin (host-cygwin): Change dependency from
6921 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6923 2005-08-29 Geoffrey Keating <geoffk@apple.com>
6925 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6926 parts of 'vals'.
6928 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6930 PR middle-end/23408
6931 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6932 call to ggc_collect.
6934 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
6936 PR bootstrap/21268
6937 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6938 beginning. Remove $(INCLUDES) from all the rules, if following
6939 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6941 2005-08-29 Jakub Jelinek <jakub@redhat.com>
6943 PR middle-end/23484
6944 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6945 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6946 not constant, but maxlen is, don't set len to maxlen, rather
6947 set maxlen to len if len is a constant.
6949 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
6951 PR tree-optimization/23475
6952 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6953 and counts.
6955 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
6957 Fix PR middle-end/22455
6959 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6960 Checksum only the parts of the tree that exist for the tree code.
6962 2005-08-28 Dale Johannesen <dalej@apple.com>
6964 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
6966 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
6968 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6970 2005-08-28 Richard Henderson <rth@redhat.com>
6972 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6973 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6974 of char_type_node.
6976 2005-08-28 Jakub Jelinek <jakub@redhat.com>
6978 PR ada/23593
6979 * builtins.c (get_memory_rtx): Don't strip nops
6980 in between COMPONENT_REFs.
6982 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
6984 PR middle-end/23463
6985 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6986 types.
6987 (gimplify_modify_expr): Check for zero sized types and gimplify the
6988 rhs and lhs as statements.
6990 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
6992 PR libgcj/23508
6993 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6994 state for return address column of signal frames.
6996 2005-08-27 David Edelsohn <edelsohn@gnu.org>
6998 PR target/23539
6999 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7000 bytes >= 2 not bytes == 2.
7001 (expand_block_move): Same.
7003 2005-08-27 Richard Guenther <rguenther@suse.de>
7005 PR target/23575
7006 * config/i386/sse.md (sse2_movsd): Add missing closing
7007 braces.
7009 2005-08-27 Paul Brook <paul@codesourcery.com>
7011 * genrecog.c (enum decision_type): Add DT_num_insns.
7012 (struct decision_test): Add u.num_insns.
7013 (add_to_sequence): Add DT_num_insns test.
7014 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7015 (write_cond, debug_decision_2): Ditto.
7016 (change_state): Assume peep2_next_insn never fails.
7017 Remove "afterward" argument.
7018 (write afterward, write_tree): Update to match.
7019 * recog.c (peep2_current_count): New variable.
7020 (peep2_next_insn): Check it.
7021 (peephole2_optimize): Set peep2_current_count.
7022 * recog.h (peep2_current_count): Declare.
7024 2005-08-26 Josh Conner <jconner@apple.com>
7026 PR middle-end/23584
7027 * ipa-pure-const.c (check_tree): Check for volatile-ness
7028 when considering a dereference.
7030 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7032 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7034 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7036 PR rtl-optimization/23561
7037 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7038 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7039 at most LEN bytes long memory fits into the field.
7040 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7041 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7042 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7044 2005-08-26 Richard Henderson <rth@redhat.com>
7046 PR rtl-opt/23560
7047 * loop.c (biased_biv_may_wrap_p): New.
7048 (maybe_eliminate_biv_1): Use it to suppress non-equality
7049 comparison transformations. Delete disabled code.
7051 2005-08-26 Ian Lance Taylor <ian@airs.com>
7053 * combine.c (make_extraction): Avoid reference outside object.
7055 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7057 * stor-layout.c (finalize_type_size): Restore behaviour for
7058 non-aggregate types to the status quo ante of the patch for
7059 pr 23467. Document why it matters.
7061 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7063 PR c/23506
7064 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7065 array by one element, initialize the BT_LAST element with NULL.
7067 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7069 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7070 optimizing for size.
7071 (plus_eqsi): Same.
7072 (compare_plus_eqsi): Same.
7073 (plus_eqsi_compare): Same.
7074 (neg_eq0<mode>): Same.
7075 (neg_eq<mode>): Same.
7077 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7078 PROCESSOR_POWER4.
7080 2005-08-26 Nick Clifton <nickc@redhat.com>
7082 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7083 TARGET_EP is not defined.
7084 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7085 TARGET_EP is enabled.
7086 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7087 * config/v850/v850.md (save_all_interrupt): Only use the EP
7088 register if TARGET_EP is defined.
7089 (restore_all_interrupt): Likewise.
7090 * config/v850/lib1funcs.asm: Update functions so that the EP
7091 register is only used if __EP__ is defined.
7093 2005-08-26 David Ung <davidu@mips.com>
7095 * config/mips/mips.c (mips_expand_prologue): Handle case when
7096 generating for MIPS16 and the outgoing argument area is more than
7097 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7098 add instruction.
7100 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7102 * config/crx/crx.md: Make doloop_end pattern usage controllable
7103 via mloop-nesting=<max-nesting> command line switch. Make sure
7104 the combiner cannot use doloop_end_<mode> in an illegal way.
7105 * config/crx/crx.c: Use regs up to r6 for argument passing.
7106 Refine crx_address_cost (non cst4 displacements are expensive).
7107 * config/crx/crx.opt: Add switch for mloop-nesting=.
7109 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7111 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7112 (UNSPEC_MVST): New constant.
7114 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7116 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7117 Reject operands containing eliminable registers.
7118 * testsuite/gcc.dg/20050825-1.c: New testcase.
7120 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7121 Jan Hubicka <jh@suse.cz>
7123 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7125 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7127 PR tree-optimization/23546
7128 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7129 and REAL_CST nodes.
7131 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7133 * params.def (PARAM_MIN_SPEC_PROB): New.
7134 * sched-rgn.c (MIN_PROBABILITY): Delete.
7135 (compute_trg_info): Convert to PARAM_VALUE.
7136 * doc/invoke.texi (param): Document min-spec-prob.
7138 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7140 * config/darwin.h: define __PIC__
7141 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7142 TARGET_OS_CPP_BUILTINS macro.
7144 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7146 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7147 yesterday.
7149 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7151 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7152 to duplicate_block.
7153 * cfghooks.c (duplicate_block): Added position where to place
7154 new block as argument.
7155 * cfghooks.h (duplicate_block): Declaration changed.
7156 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7157 duplicate_block.
7158 * cfglayout.h (copy_bbs): Declaration changed.
7159 * cfgloop.h (loop_version): Declaration changed.
7160 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7161 position to copy_bbs.
7162 (loop_version): Pass position to duplicate_loop_to_header_edge.
7163 Add place_after argument and position new blocks according to
7164 it.
7165 * modulo-sched.c (sms_schedule): Pass place_after argument
7166 to loop_version.
7167 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7168 * tree-cfg.c (split_edge_bb_loc): New function.
7169 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7170 to determine position of new blocks.
7171 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7172 to loop_version.
7173 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7174 argument to duplicate_block.
7175 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7176 Pass position to copy_bbs.
7178 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7180 * fold-const.c (ptr_difference_const): Use
7181 cst_and_fits_in_hwi instead of host_integerp.
7183 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7185 * config/darwin.c (gen_pic_offset): New.
7186 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7187 Use it.
7189 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7191 PR tree-optimization/23486
7192 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7194 2005-08-23 Phil Edwards <phil@codesourcery.com>
7196 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7197 remove use_collect2.
7198 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7200 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7201 configuration files to override the default value.
7203 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7204 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7205 * config/vx-common.h: New file, split out from...
7206 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7207 * config/vxworksae.h: New file, for VxWorks AE.
7208 * config/vxworks.opt: New file.
7209 * config/vxlib.c: Update for VxWorks 6.
7211 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7212 other MULTILIB_* variables appropriately.
7213 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7214 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7215 * config/rs6000/vxworks.h: Update for VxWorks 6.
7216 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7218 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7220 PR target/20799
7221 * config/darwin.c (machopic_select_section): Remove the hack to
7222 mark "::operator new" and "::operator delete" for coalescing
7223 even though they are not weak.
7225 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7227 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7228 * configure: Regenerate.
7230 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7232 PR middle-end/23517
7233 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7234 between vectors.
7235 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7236 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7237 Likewise.
7239 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7241 * config/rs6000/predicates.md (equality_operator): New.
7242 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7243 comparison with a large constant.
7245 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7247 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7249 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7251 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7252 registers is even, and we have a hardware double precision fp,
7253 align the buffer.
7254 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7255 size of current argument when checking if argument was passed in
7256 registers.
7258 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7260 PR middle-end/23467
7261 * stor-layout.c (finalize_type_size): Dont override
7262 existing alignment with a smaller alignment from the mode.
7264 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7266 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7267 * lambda.h (lambda_vector_lexico_pos): ... here.
7268 * tree-data-ref.c (build_classic_dist_vector): Return false when
7269 the distance vector is lexicographically negative.
7271 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7273 PR tree-optimization/23511
7274 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7275 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7277 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7279 PR tree-optimization/22043
7280 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7281 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7282 If ALLOW_FLEXARR, handle types ending with flexible array member.
7283 Pass false as second argument to recursive count_type_elements calls.
7284 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7285 argument to count_type_elements call.
7286 * tree-sra.c (decide_block_copy): Likewise.
7287 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7288 for a constant-sized object, set cleared as well. Pass true as
7289 second argument to count_type_elements call.
7291 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7293 PR target/21571
7294 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7295 from legitimate_small_data_p, and make global. Update use.
7296 Remove forward declaration.
7297 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7298 Declare.
7299 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7301 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7303 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7304 of scratch intermediates.
7305 (eq<mode>_compare): Same.
7306 (neg_eq0<mode>): New.
7307 (neg_eq<mode>): Convert to define_insn_and_split.
7309 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7311 PR target/23070
7312 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7313 stdarg functions, set/clear the fp marker even when no variable
7314 args are passed.
7315 * config/rs6000/sysv4.opt (mprototype): Describe.
7317 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7319 PR rtl-optimization/23478
7320 * regs.h (reg_info): Add throw_calls_crossed.
7321 (REG_N_THROWING_CALLS_CROSSED): Define.
7322 * flow.c (allocate_reg_life_data): Initialize
7323 REG_N_THROWING_CALLS_CROSSED.
7324 (propagate_one_insn, attempt_auto_inc): Update
7325 REG_N_THROWING_CALLS_CROSSED.
7326 * global.c (global_alloc): Don't allocate pseudos across
7327 calls that may throw.
7329 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7331 PR c/18715
7332 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7333 value is inbetween the range if we did not find an exact match.
7335 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7337 * doc/invoke.texi (Option Summary): Add ms1 options.
7338 * doc/extend.texi: Document interrupt handler attribute for ms1.
7339 * doc/md.texi: Document ms1 constraints.
7340 * config.gcc: Add ms1-*-elf.
7341 * config/ms1/ms1.h: New.
7342 * config/ms1/ms1.c: New.
7343 * config/ms1/ms1.md: New.
7344 * config/ms1/ms1-protos.h: New.
7345 * config/ms1/ABI.txt: New.
7346 * config/ms1/crti.asm: New.
7347 * config/ms1/crtn.asm: New.
7348 * config/ms1/lib2extra-funcs.c: New.
7349 * config/ms1/t-ms1: New.
7350 * config/ms1/ms1.opt: New.
7352 2005-08-22 Ira Rosen <irar@il.ibm.com>
7354 * config/rs6000/altivec.md (xorv4sf3): New.
7355 (negv4sf2, neg<mode>2): Likewise.
7357 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7359 PR target/23485
7360 * config/ia64/ia64.md (divsi3): Check divide by zero.
7361 (udivsi3): Likewise.
7362 (divdi3): Likewise.
7363 (udivdi3): Likewise.
7365 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7367 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7368 up to elem_bitsize bits, not max_bitsize.
7370 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7372 PR tree-optimization/23433
7373 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7374 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7376 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7378 PR tree-optimization/23434
7379 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7380 the iteration bound is not an INTEGER_CST.
7382 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7384 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7385 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7386 NULL if need_epilog_adjust is false.
7387 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7388 Case 3 always peels first itration, not just for PLUS case, and no need
7389 to use scalar_initial_def here. Create an epilog adjustment only if
7390 scalar_initial_def is not NULL.
7392 (vectorizable_reduction): Remove assert.
7394 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7396 PR target/23485
7397 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7398 (__moddi3): Likewise.
7399 (__udivdi3): Likewise.
7400 (__umoddi3): Likewise.
7401 (__divsi3): Likewise.
7402 (__modsi3): Likewise.
7403 (__udivsi3): Likewise.
7404 (__umodsi3): Likewise.
7406 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7408 * tree-pass.h (TDF_GRAPH): Define.
7409 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7410 * passes.c (finish_optimization_passes): Only call
7411 finish_graph_dump_file if TDF_GRAPH is set.
7412 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7413 NULL. Set TDF_GRAPH bit.
7414 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7416 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
7418 * arm.h (arm_stack_offsets): Add locals_base field.
7419 * arm.c (arm_get_frame_offsets): Compute it.
7420 (thumb_compute_initial_elimination offset): Make the Thumb frame
7421 pointer point to the base of the local variables.
7422 (thumb_expand_prologue): Update accordingly.
7423 (thumb_expand_epilogue): Likewise.
7425 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
7426 mode of clobbered scratch to DImode. Handle a case that's known to
7427 need this.
7429 2005-08-19 David Edelsohn <edelsohn@gnu.org>
7431 * config/rs6000/rs6000.md (gt0<mode>): Delete.
7432 (gt0<mode>_compare): Delete.
7433 (neg_gt0<mode>): Delete.
7435 2005-08-19 Eric Christopher <echristo@apple.com>
7437 * optabs.h: Change CTI_ to COI_.
7438 * optabs.c: Ditto.
7440 2005-08-19 James E Wilson <wilson@specifix.com>
7442 * builtins.c (expand_builtin_return_addr): Set
7443 current_function_accesses_prior_frames when count != 0. Use
7444 frame_pointer_rtx when count == 0.
7445 * function.h (struct function): Add accesses_prior_frames field.
7446 (current_function_accesses_prior_frames): Define.
7447 * reload1.c (init_elim_table): Check
7448 current_function_accesses_prior_frames.
7449 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7451 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7453 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7454 indicator. Return true if the flowgraph changed during
7455 cleanup.
7457 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7459 PR 23476
7460 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7461 conditional expression before testing its value.
7463 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7465 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7467 2005-08-19 Devang Patel <dpatel@apple.com>
7469 PR tree-optimization/23048
7470 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7471 third parameter. Check whether latch is dominated by exit
7472 block or not.
7473 (if_convertible_loop_p): Supply exit block itself to
7474 if_convertible_bb_p.
7476 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7478 PR target/23473
7479 * arm.md (arm_load_pic_register): Change argument to the mask of
7480 saved registers. Call thumb_find_work_register if we need a
7481 scratch register on Thumb.
7482 (arm_expand_prologue): Pass empty register set to
7483 arm_load_pic_register.
7484 (thumb_expand_prologue): Pass live_regs_mask directly to
7485 arm_load_pic_register.
7486 * arm-protos.h (arm_load_pic_register): Update prototype.
7488 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
7490 * sh.c (find_sole_member): New function.
7491 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7492 if the record's alignment is larger than the size of its only member.
7494 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7496 PR target/23436
7497 * arm.c (thumb_legitimize_reload_address): New function.
7498 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7499 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7501 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
7503 * config/crx/crx.c: Implement crx_decompose_address. Reject
7504 symbolic displacements since CRX register relative adressing
7505 mode can't handle unsigned 32-bit values as displacements.
7506 * config/crx/crx.h: Simplify definitions, remove redundant
7507 parenthesis and obsolete macros.
7508 * config/crx/crx.opt: Add new switch for debugging addresses.
7509 * config/crx/crx-protos.h: Add new declarations for above.
7511 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
7513 PR middle-end/20624
7514 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7515 looking past it.
7517 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7519 * collect2.c (dup2): Delete.
7520 * configure.ac: Don't check for dup2.
7522 * config.in, configure: Regenerate.
7524 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
7526 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7527 record with the type of its only member.
7529 2005-08-18 David Edelsohn <edelsohn@gnu.org>
7531 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7532 define_insn_and_split.
7533 (plus_ltu<mode>_compare): Same.
7534 (gtu<mode>_compare): Same.
7535 (plus_gtu<mode>_compare): Same.
7537 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
7539 PR tree-optimization/22228
7540 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7541 todo_flags_start.
7542 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7543 are recorded in vect_vnames_to_rename for renaming.
7544 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7545 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7546 in vect_vnames_to_rename.
7547 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7548 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7550 2005-08-18 Jan Hubicka <jh@suse.cz>
7552 PR c++/22034
7553 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7554 info only for local statics, not for member variables.
7556 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7558 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7560 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7562 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7564 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
7566 PR middle-end/16045
7567 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7569 2005-08-17 James E Wilson <wilson@specifix.com>
7571 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7572 array size check.
7574 2005-08-17 David Edelsohn <edelsohn@gnu.org>
7576 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7577 (leu<mode>_compare): Same.
7578 (plus_leu<mode>): Same.
7579 (neg_leu<mode>): Same.
7580 (and_neg_leu<mode): Same.
7581 (ltu<mode>_compare): Same.
7582 (plus_ltu<mode>): Same.
7583 (geu<mode>): Same.
7584 (geu<mode>_compare): Same.
7585 (plus_geu<mode>): Same.
7586 (neg_geu<mode>): Same.
7587 (and_neg_geu<mode>): Same.
7588 (plus_gt<mode>): Same.
7589 (gtu<mode>_compare): Same.
7590 (plus_gtu<mode>): Same.
7592 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
7594 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7595 Move call_table_data to end. Delete spurious .text.
7596 (callt_save_all_interrupt): Fix comment typo.
7598 2005-08-17 James E Wilson <wilson@specifix.com>
7599 Kevin Winchester <winchester@amirix.com>
7601 PR target/21684
7602 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7604 2005-08-17 Uros Bizjak <uros@kss-loka.si>
7606 PR target/23268
7607 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7608 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7610 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
7612 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7613 record with the type of its only member if the modes don't match.
7615 * varasm.c (decode_reg_name): Skip empty additional register names.
7617 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7619 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7620 lsm_tmp_name_length): New.
7621 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7622 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7624 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7625 Andreas Krebbel <krebbel1@de.ibm.com>
7627 * config.gcc: Added z9-109 switch.
7628 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7629 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7630 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7631 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7632 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7633 for "z9_109" cpu attribute.
7634 * config/s390/s390.c (z9_109_cost): New processor cost structure.
7635 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7636 (s390_handle_arch_option): Added z9-109 switch.
7637 (override_options): Set respective cost function for z9-109.
7638 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7639 (legitimate_reload_constant_p): Accept extended immediates.
7640 (print_operand): Three new output modifiers added: k, m and o.
7641 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7642 (s390_output_mi_thunk): Use extended immediate when possible.
7643 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7644 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7645 (CONSTRAINT_LEN): Added length of O constraint.
7646 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7647 * config/s390/s390.md ("cpu"): New value z9_109 added.
7648 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7649 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7650 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7651 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7652 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7653 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7654 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7655 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7656 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7657 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7658 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7659 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7660 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7661 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7662 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7663 immediates.
7664 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7665 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7666 insns for TARGET_EXTIMM.
7668 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
7670 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7672 2005-08-17 Nick Clifton <nickc@redhat.com>
7674 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7675 Call default_encode_section_info.
7677 2005-08-17 Steven Bosscher <stevenb@suse.de>
7679 PR tree-optimization/21574
7680 * tree-ssa-ccp.c (likely_value): If the right hand side is a
7681 constant, return CONSTANT.
7682 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7683 (ccp_fold, visit_assignment): Likewise.
7684 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7686 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7688 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7689 fold_buildN instead of buildN then fold_initializer or fold.
7690 (build_unary_op): Likewise.
7691 (build_binary_op): Likewise.
7692 * fold-const.c (fold_initializer): Remove.
7693 (fold_build1_initializer): New function.
7694 (fold_build2_initializer): New function.
7695 (fold_build3_initializer): New function.
7696 * tree.h (fold_initializer): Remove.
7697 (fold_build1_initializer): New function.
7698 (fold_build2_initializer): New function.
7699 (fold_build3_initializer): New function.
7701 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7703 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7704 (try_move_mult_to_index): Call fold_build2 instead of build2.
7705 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7706 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7707 fold_binary_to_constant.
7708 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7709 fold (build.
7710 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7711 check if A == gcd (A, B). Remove TYPE argument.
7712 (analyze_offset) Use fold_build2 instead of fold (build.
7713 (create_data_ref): Likewise.
7714 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7715 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7716 then fold.
7718 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
7720 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7721 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7723 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
7725 PR tree-opt/23402
7726 * gimplify.c (zero_sized_type): New function.
7727 (gimplify_modify_expr_rhs): If we have a zero sized type,
7728 replace the statement with an empty statement.
7730 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
7732 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7733 fxsave.
7735 2005-08-16 Ian Lance Taylor <ian@airs.com>
7737 * doc/tm.texi (Label Output): Correct typo.
7739 2005-08-16 Steven Bosscher <stevenb@suse.de>
7741 PR target/23376
7742 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7743 force_operand will work later on using have_insn_for.
7745 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7747 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7749 2005-08-16 Ian Lance Taylor <ian@airs.com>
7751 PR c++/23337
7752 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7753 vector type, don't try to construct it element by element. Add an
7754 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7756 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7758 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7760 2005-08-16 Geoffrey Keating <geoffk@apple.com>
7762 * doc/invoke.texi (Precompiled Headers): Document some more options
7763 which are known to be safe.
7765 2005-08-16 James E Wilson <wilson@specifix.com>
7767 PR tree-optimization/21105
7768 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7769 TREE_OVERFLOW check.
7771 2005-08-16 David Edelsohn <edelsohn@gnu.org>
7773 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7774 (neg_ltu<mode>): Same.
7775 (gtu<mode>): Same.
7776 (neg_gtu<mode>): Same.
7778 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7780 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7781 (fold_builtin_isdigit): Use fold_buildN.
7782 (build_function_call_expr): Likewise.
7783 * c-typeck.c (c_finish_loop): Likewise.
7785 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
7786 Richard Shann <rshann@superh.com>
7788 PR middle-end/20396:
7789 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7791 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
7793 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7795 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
7797 PR target/23355
7798 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7799 arm_compure_save_reg0_reg12_mask to determine when the PIC register
7800 must be saved.
7802 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7804 PR middle-end/23369
7805 * fold-const.c (build_range_check): Disable optimization for function
7806 pointer expressions on targets that require function pointer
7807 canonicalization.
7809 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
7811 * simplify-rtx.c (simplify_const_relational_operation): When
7812 extracting arguments of a COMPARE, recompute the mode as well.
7814 2005-08-15 Ian Lance Taylor <ian@airs.com>
7816 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7818 2005-08-15 DJ Delorie <dj@redhat.com>
7820 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7821 the stack.
7822 (movsi_splittable): Allow, but split, moves to the stack.
7823 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7824 stack.
7826 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7828 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7829 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7830 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7832 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7833 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7834 Delete HOST_PTR_PRINTF.
7836 * configure, config.in: Regenerate.
7838 2005-08-15 David Edelsohn <edelsohn@gnu.org>
7840 * config/rs6000/rs6000.md (QHSI): New mode macro.
7841 (wd): Extend mode attr for QImode and HImode
7842 (dbits): New mode attr.
7843 (zero_extend<mode>di2): Convert to mode macro.
7845 2005-08-15 Steve Ellcey <sje@cup.hp.com>
7847 PR target/21841
7848 * doc/invoke.texi (-mgnu-ld): Update description.
7849 (-mhp-ld): Ditto.
7851 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7853 PR 23391
7854 * Makefile.in (tree-chrec.o): Depends on real.h.
7855 * tree-chrec.c: Include real.h.
7856 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7857 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7858 * tree-scalar-evolution.c (add_to_evolution_1,
7859 interpret_rhs_modify_expr): Ditto.
7861 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7863 PR 23386
7864 * tree-data-ref.c (estimate_niter_from_size_of_data): When
7865 step is negative compute the estimation from init downwards to zero.
7867 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
7869 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7871 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7873 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7874 constraint.
7875 (legitimate_reload_constant_p): Fix handling of lliXX operands.
7876 Accept double-word constants that can be split.
7877 * config/s390/s390.md ("movti"): Use 'P' constraint.
7878 ("*movdi_31", "*movdf_31"): Likewise.
7880 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
7882 Fix PR tree-optimization/22615
7884 * tree-ssa-structalias.c (solution_set_add): Handle
7885 first_vi_for_offset returning NULL.
7886 (do_da_constraint): Ditto.
7887 (do_sd_constraint): Ditto.
7888 (do_ds_constraint): Ditto
7889 (find_func_aliases): Ditto.
7890 (build_constraint_graph): RHS is allowed be ANYTHING.
7891 (first_vi_for_offset): Return NULL if we couldn't find anything at
7892 the offset.
7894 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7896 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7897 over memory as first operand.
7899 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
7901 PR target/23360
7902 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7903 available for setting it.
7905 2005-08-14 Ira Rosen <irar@il.ibm.com>
7907 PR tree-optimization/23320
7908 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7909 data-refs' types instead of base object nullness. Add check for
7910 pointer type data-refs before first location comparison. Remove
7911 assert.
7913 2005-08-14 Andreas Schwab <schwab@suse.de>
7915 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7917 2005-08-13 James E Wilson <wilson@specifix.com>
7919 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7920 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7921 -fstack-protector-all, --param ssp-buffer-size): Document.
7922 (-Wvariadic-macros): Alphabetize.
7923 (-fsched-stalled-insns-dep): Add missing 'f'.
7925 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7926 macros.
7928 2005-08-13 David Edelsohn <edelsohn@gnu.org>
7930 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7931 or indirect address operand.
7932 (EXTRA_ADDRESS_CONSTRAINT): New.
7933 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7935 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
7937 PR tree-optimization/22236
7938 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7939 successors and predecessors.
7940 * tree-chrec.c (chrec_convert): Before converting, check that
7941 sequences don't wrap.
7942 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7943 (analyze_array): Extern.
7944 (find_data_references_in_loop): Remove call to
7945 compute_estimated_nb_iterations.
7946 * tree-data-ref.h (analyze_array): Declared.
7947 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7948 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7949 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7950 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7951 condition.
7952 * tree-ssa-loop-ivcanon.c: Fix documentation.
7953 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7954 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7955 (infer_loop_bounds_from_undefined): New.
7956 (estimate_numbers_of_iterations_loop): Use
7957 infer_loop_bounds_from_undefined.
7958 (used_in_pointer_arithmetic_p): New.
7959 (scev_probably_wraps_p): Pass an extra parameter. Call
7960 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
7961 (convert_step): Fix documentation.
7962 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7963 Use initial_condition_in_loop_num and evolution_part_in_loop_num
7964 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
7965 scev_probably_wraps_p.
7967 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
7969 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7970 (s390_register_info): Ignore clobbered_regs information for fixed
7971 registers, and only fixed registers.
7972 (s390_init_frame_layout): Remove redundant call.
7974 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
7976 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7977 description of -Wold-style-casts.
7979 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7980 Jakub Jelinek <jakub@redhat.com>
7982 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7983 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7984 * config/s390/s390.c (print_operand): New output modifier 'G' added.
7985 (get_thread_pointer): Renamed to s390_get_thread_pointer.
7986 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7987 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7988 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7989 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7990 ("stack_protect_set", "stack_protect_test"): New expanders.
7991 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7992 "stack_protect_testdi"): New insn definitions.
7994 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7996 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7998 2005-08-12 Paul Brook <paul@codesourcery.com>
8000 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8002 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8004 * config/s390/predicates.md (setmem_operand): New predicate.
8005 (shift_count_operand): Accept ANDs with special constants as
8006 operand.
8007 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8008 with special constants.
8009 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8010 shift_count_operand with setmem_operand.
8012 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8014 * config/s390/s390.c (s390_extract_part, s390_single_part):
8015 Type cast added.
8016 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8017 (s390_output_mi_thunk): Don't use lg on 31 bit.
8018 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8019 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8021 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8023 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8024 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8025 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8026 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8027 with one of the new macros.
8029 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8031 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8032 Don't set save_return_addr_p.
8033 (s390_register_info): Make clobbered_regs not depending on
8034 save_return_addr_p.
8036 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8038 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8039 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8041 2005-08-11 James E. Wilson <wilson@specifix.com>
8043 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8045 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8047 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8048 locations gathered by var-tracking in single entry loc_list
8049 over loc_descriptor_from_tree.
8051 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8052 pass it down to loc_descriptor.
8053 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8054 (containing_function_has_frame_base): Move earlier in the file.
8055 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8056 instead of always assuming fbreg can't be used.
8058 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8060 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8061 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8062 Accept address wrapped in AND for Altivec.
8063 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8064 Strip AND wrapping offset address for Altivec.
8066 2005-08-11 Richard Henderson <rth@redhat.com>
8068 PR middle-end/23312
8069 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8070 before using TYPE_IS_SIZETYPE.
8072 2005-08-11 Richard Henderson <rth@redhat.com>
8074 PR target/22225
8075 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8076 insn types not present on ev4.
8077 (alphaev5_insn_pipe): Similarly.
8079 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8081 PR target/23250
8082 * arm.c (arm_override_options): If the user has selected callee-super-
8083 interworking, then enable normal interworking.
8085 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8087 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8088 redefinition.
8090 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8092 * doc/rtl.texi: Fix two typos.
8094 2005-08-11 Richard Guenther <rguenther@suse.de>
8096 PR target/23289
8097 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8098 cases where we call to/from functions returning void.
8100 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8102 PR c++/23225
8103 * tree.c (build_pointer_type_for_mode): Robustify.
8105 2005-08-10 James E Wilson <wilson@specifix.com>
8107 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8108 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8110 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8111 "cum->".
8113 2005-08-10 Eric Christopher <echristo@apple.com>
8115 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8116 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8117 V2DFmode.
8119 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8121 PR target/21887
8122 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8123 for the high part when generating dynamic-no-pic code.
8125 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8127 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8128 (x86_64-*-linux*): Likewise.
8130 * config/i386/crtfastmath.c: New file.
8131 * config/i386/t-crtfm: Likewise.
8133 * config/i386/linux.h (ENDFILE_SPEC): New.
8134 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8136 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8137 crtfastmath.o.
8139 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8141 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8142 (vec_shl, vec_shr): Document new operations.
8143 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8145 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8147 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8148 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8149 change predicate to indexed_or_indirect_address.
8151 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8153 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8154 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8155 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8156 and __aeabi_uwrite8.
8157 * config/arm/unaligned-funcs.c: New file.
8158 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8160 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8162 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8163 Add dump.
8164 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8165 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8166 Add dump.
8167 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8168 * final.c (pass_shorten_branches): Add dump.
8169 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8170 (pass_life): Rename dump.
8171 (rest_of_handle_flow2): Remove initial verify_flow_info.
8172 * function.c (pass_instantiate_virtual_regs): Add dump.
8173 * integrate.c (pass_initial_value_sets): Add dump.
8174 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8175 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8176 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8177 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8178 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8179 gate_rtl_unrool_and_peel_loops): New.
8180 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8181 rtl_doloop): Do not look at flags.
8182 * mode-switching.c (pass_mode_switching): Add dump.
8183 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8184 pass_split_before_regstack): Add dump.
8185 * regmove.c (pass_stack_adjustments): Add dump.
8186 * tree-optimize.c (pass_fixup_cfg): Add dump.
8188 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8190 PR 23309
8191 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8192 deciding which instruction sequence to use.
8194 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8196 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8197 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8199 2005-08-09 Richard Guenther <rguenther@suse.de>
8201 * c-common.c (builtin_function_2): Remove.
8202 (def_builtin_1): New function.
8203 (c_common_nodes_and_builtins): Use def_builtin_1 to
8204 build builtin functions.
8206 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8208 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8209 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8210 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8211 Visual DSP.
8213 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8215 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8216 fold_binary instead of fold_build2 since we don't care about the
8217 resulting tree.
8218 (loop_niter_by_eval): Likewise.
8219 (compare_trees): Likewise.
8220 (proved_non_wrapping_p): Likewise.
8222 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8224 PR c/23161
8225 PR c/23165
8226 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8227 if the if is really empty.
8229 2005-08-09 Steven Bosscher <stevenb@suse.de>
8231 PR tree-optimization/23234
8232 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8233 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8234 argument of the new enum.
8235 (execute_cse_reciprocals): Add reciprocals for function arguments
8236 on the unique successor edge of the entry block. Update other calls
8237 to execute_cse_reciprocals_1.
8239 2005-08-08 Richard Henderson <rth@redhat.com>
8241 PR 22439
8242 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8244 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8246 * expr.c (write_complex_part): Return after handling MEM.
8248 2005-08-08 Josh Conner <jconner@apple.com>
8250 PR rtl-optimization/23241
8251 * combine.c (simplify_comparison): Fix error in determining
8252 whether to lift a subreg from comparison.
8254 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8256 PR target/18506
8257 * config/rs6000/altivec.md (vec_init<mode>): New.
8258 (vec_set<mode>): New.
8259 (vec_extract<mode>): New.
8260 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8261 (rs6000_expand_vector_set): New.
8262 (rs6000_expand_vector_extract): New.
8263 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8264 for Altivec modes before reload.
8265 (altivec_expand_vec_init_builtin): New.
8266 (get_element_number): New.
8267 (altivec_expand_vec_set_builtin): New.
8268 (altivec_expand_vec_ext_builtin): New.
8269 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8270 builtins.
8271 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8272 builtins.
8273 * config/rs6000/rs6000.h (rs6000_builtins): Add
8274 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8275 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8276 * config/rs6000/rs6000-protos.h: Declare new functions.
8278 2005-08-08 Jan Hubicka <jh@suse.cz>
8280 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8281 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8282 * i386.md (movdi*): Use pic_32bit_operand.
8283 * predicates.md (pic_32bit_operand): New.
8285 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8287 PR c++/21166
8288 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8290 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8292 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8293 (test_for_singularity): Use fold_build2.
8295 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8297 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8299 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8301 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8302 (COMMON_ASM_OP) Define.
8303 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8304 (ix86_encode_section_info): Likewise.
8305 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8306 SUBTARGET_ENCODE_SECTION_INFO.
8308 2005-08-06 Richard Henderson <rth@redhat.com>
8310 PR 21894
8311 * tree-nested.c (convert_local_reference): Save and restore val_only
8312 around component_ref and friends. Clear walk_subtrees by default.
8314 2005-08-06 Peter O'Gorman <peter@pogma.com>
8316 PR 21366
8317 * gcc.c (process_command): Check the argument to -b has a dash.
8318 * doc/invoke.texi: Update -b and -V docs.
8320 2005-08-06 James E Wilson <wilson@specifix.com>
8322 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8324 2005-08-06 Michael Matz <matz@suse.de>
8326 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8327 member only if only one insn is associated with the value.
8329 2005-08-06 Nick Clifton <nickc@redhat.com>
8331 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8332 New define.
8333 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8334 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8335 Check symbol flags instead of symbol name mangling.
8336 (xstormy16_asm_output_aligned_common): Likewise. Also
8337 simplify code since the bss100_section cass is the only case
8338 where the below100 code will be triggered.
8339 (xstormy16_encode_section_info): Encode below100 attribute
8340 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8341 the name.
8342 (xstormy16_strip_name_encoding): Delete - this function is no
8343 longer needed.
8344 (TARGET_STRIP_NAME_ENCODING): Undefine.
8345 * config/stormy16/stormy16-protos.h: Delete prototype for
8346 xstormy16_strip_name_encoding.
8348 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8350 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8351 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8352 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8353 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8354 config/alpha/predicates.md, config/arc/arc.h,
8355 config/arm/arm.h, config/arm/ieee754-df.S,
8356 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8357 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8358 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8359 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8360 config/m68hc11/m68hc11.h, config/mips/mips.c,
8361 config/mips/mips.h, config/mips/openbsd.h,
8362 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8363 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8364 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8365 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8366 config/sparc/linux.h, config/sparc/linux64.h,
8367 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8368 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8369 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8370 typos. Follow spelling conventions.
8372 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8374 PR c/23113
8375 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8376 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8377 specially. Check for side effects only for COND_EXPR.
8378 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8379 return with TREE_NO_WARNING.
8381 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8383 PR rtl-optimization/23233
8384 * loop.c (combine_movables): Require the modes to be the same.
8385 (move_movables): Remove handling of cases where the replacement
8386 had a different mode to the original.
8388 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8390 PR tree-optimization/23128
8391 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8392 subtraction wrap, and set TREE_OVERFLOW if they do.
8394 2005-08-05 Richard Henderson <rth@redhat.com>
8396 PR 21728
8397 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8398 FORCED_LABEL labels.
8400 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8402 PR middle-end/23135
8403 * reload.c (find_reloads_subreg_address): Pass down TYPE
8404 unchanged. Change all callers except find_reloads_toplev.
8406 2005-08-05 Michael Matz <matz@suse.de>
8408 * genattrtab.c (current_alternative_string): Remove.
8409 (SIMPLIFY_ALTERNATIVE): Ditto.
8410 (attr_alt_bit_p): Ditto.
8411 (alternative_name): Make const char *.
8412 (evaluate_eq_attr): Remove use of above things.
8413 (simplify_test_exp): Ditto.
8414 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8415 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8417 2005-08-04 James E Wilson <wilson@specifix.com>
8419 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8420 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8421 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8422 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8423 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8425 2005-08-04 Richard Henderson <rth@redhat.com>
8427 PR 21529
8428 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8429 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8430 * tree-sra.c (decide_block_copy): Use it. Disable element copy
8431 if we'd have to instantiate too many members.
8433 2005-08-04 Richard Henderson <rth@redhat.com>
8435 PR 21291
8436 * tree-outof-ssa.c (coalesce_asm_operands): New.
8437 (coalesce_ssa_name): Use it. Split out ...
8438 (coalesce_phi_operands, coalesce_result_decls): ... these.
8440 2005-08-04 Paul Brook <paul@codesourcery.com>
8442 * read-rtl.c (read_quoted_string): Break if EOF.
8444 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
8446 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8447 (fold_build2): Likewise.
8448 (fold_build3): Likewise.
8449 (fold_build1_stat): New function prototype.
8450 (fold_build2_stat): Likewise.
8451 (fold_build3_stat): Likewise.
8452 * fold-const.c (fold_build1): Rename to ..
8453 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8454 through to build1_stat.
8455 (fold_build2): Rename to ..
8456 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8457 through to build2_stat.
8458 (fold_build3): Rename to ..
8459 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8460 through to build3_stat.
8462 2005-08-04 David Edelsohn <edelsohn@gnu.org>
8463 Ian Lance Taylor <ian@airs.com>
8465 * function.c (assign_stack_local_1): Do not correct stack slot
8466 address if allocation size is smaller than mode size.
8468 2005-08-04 Diego Novillo <dnovillo@redhat.com>
8470 PR 22037
8471 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8472 (tree_merge_blocks): Propagate anything allowed by
8473 may_propagate_copy.
8474 Clarify documentation.
8475 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8476 SSA form, schedule an update if necessary.
8478 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
8480 * doc/install.texi (Binaries): Remove broken link to
8481 Sinix/Reliant Unix binaries.
8483 2005-08-03 Richard Henderson <rth@redhat.com>
8485 PR 23221
8486 * function.c (stack_protect_epilogue): Export.
8487 * tree.h (stack_protect_epilogue): Declare.
8488 * calls.c (expand_call): Call it.
8490 2005-08-03 Eric Christopher <echristo@apple.com>
8492 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8493 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8494 spec.
8496 2005-08-04 Jan Hubicka <jh@suse.cz>
8498 * profile.c (branch_prob): Split edges with goto locus on them
8499 to get proper line counts.
8500 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8502 2005-08-03 Paul Brook <paul@codesourcery.com>
8504 * function.c (assign_parms): Round current_function_args_size
8505 to PARM_BOUNDARY, not STACK_BOUNDARY.
8507 2005-08-03 Geoffrey Keating <geoffk@apple.com>
8509 * config/i386/i386.c (x86_elf_aligned_common)
8510 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8512 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
8514 PR tree-optimization/23157
8515 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8516 before emitting them.
8518 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8520 PR tree-optimization/19899
8521 * Makefile.in (tree-scalar-evolution.o): Add real.h.
8522 * tree-scalar-evolution.c: Include real.h.
8523 (add_to_evolution): Build constant -1 of correct type.
8525 2005-08-03 Jan Hubicka <jh@suse.cz>
8527 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8528 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8529 profile updating for complette unrolling.
8530 * loop-unroll.c (peel_loop_completely): Use it.
8531 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8532 (tree_unroll_loops_completely): Disable code growing unrolling of cold
8533 loops.
8535 2005-08-03 Paul Brook <paul@codesourcery.com>
8537 * combine.c (can_change_dest_mode): New function.
8538 (try_combine, simplify_set): Use it.
8540 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
8542 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8543 TFmode to BLKmode.
8545 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
8547 * doc/install.texi (Specific): Adjust link to openavr.org.
8548 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8549 (Binaries): Adjust HP-UX Porting Center link.
8550 (Binaries): Adjust Free Software Foundation ordering link.
8552 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
8554 * convert.c (convert_to_integer): Use fold_build1 instead of
8555 build1 when converting an integer to an integer.
8557 2005-08-02 Richard Henderson <rth@redhat.com>
8559 * combine.c (combine_instructions): Don't use reg_equal/equiv
8560 results if the mode doesn't match.
8562 2005-08-02 Mark Mitchell <mark@codesourcery.com>
8564 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8565 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8567 2005-08-02 Richard Henderson <rth@redhat.com>
8569 PR 23196
8570 * explow.c (memory_address): Remove special-case for
8571 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8573 2005-08-02 Diego Novillo <dnovillo@redhat.com>
8575 PR 23164
8576 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8577 number of calls to cleanup_tree_cfg_1.
8579 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
8581 * doc/invoke.texi: document file extensions .F90 and .F95
8583 2005-08-02 Richard Guenther <rguenther@suse.de>
8585 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8586 positive if its first argument is positive.
8588 2005-08-02 Richard Guenther <rguenther@suse.de>
8590 PR tree-optimization/23177
8591 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8592 on TMR_TAG.
8594 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
8596 PR tree-optimization/23129
8597 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8598 varying for divisions with anti-ranges.
8600 2005-08-02 Jan Hubicka <jh@suse.cz>
8602 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8603 * tree-ssa-threadupdate.c (thread_block): Add it here.
8605 2005-08-01 James E Wilson <wilson@specifix.com>
8607 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8608 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8609 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8610 New.
8611 * config/mips/predicates.md (const_call_insn_operand): Add check for
8612 SYMBOL_REF_LONG_CALL_P.
8613 * doc/extend.texi (long_call): Document the new attribute.
8615 2005-08-01 Ian Lance Taylor <ian@airs.com>
8616 Richard Henderson <rth@redhat.com>
8618 * Makefile.in (RTL_BASE_H): Add real.h.
8619 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8620 instead of memcpy.
8621 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8622 directly.
8623 * rtl.c (rtl_check_failed_code_mode): New.
8624 * rtl.h (struct rtx_def): Add u.rv.
8625 (XCMWINT, XCNMPRV): New.
8626 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8627 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8629 2005-08-01 Richard Henderson <rth@redhat.com>
8631 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8632 with auto-inc codes.
8634 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8636 2005-08-01 Jan Hubicka <jh@suse.cz>
8638 * i386-protos.h (asm_preferred_eh_data_format): Declare.
8639 * i386.c: Include dwarf2.h
8640 (asm_preferred_eh_data_format): New.
8641 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8643 2005-08-01 Ian Lance Taylor <ian@airs.com>
8645 * config/host-linux.c (linux_gt_pch_get_address): Add new name
8646 randomize_va_space for virtual address randomization control.
8648 2005-08-01 Steven Bosscher <stevenb@suse.de>
8650 * common.opt (flag_ipa_cp): Put in right place to maintain
8651 alphabetic sort.
8653 2005-08-01 Jan Hubicka <jh@suse.cz>
8655 * profile.c (compute_value_histograms): Fix thinko.
8656 * value-prof.c: Include toplev.h
8657 (check_counter): New function.
8658 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8659 tree_mod_subtract_transform): Add sanity check.
8661 2005-08-01 Richard Guenther <rguenther@suse.de>
8663 PR tree-optimization/23133
8664 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8665 current functions parameter decls to find defs to cse
8666 reciprocals of.
8668 2005-08-01 Richard Guenther <rguenther@suse.de>
8670 PR tree-optimization/23109
8671 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8672 If trapping math is in effect, use post-dominator information
8673 to check if we'd in any case reach a trapping point before
8674 doing the reciprocal insertion.
8675 (execute_cse_reciprocals): Compute post-dominators, if necessary.
8676 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8677 expressions are invariant only if trapping math is not in effect.
8679 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8681 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8682 cgraph_function_versioning): New declarations.
8683 * cgraphunit.c: Add include to ipa-prop.h.
8684 (update_call_expr, cgraph_copy_node_for_versioning,
8685 cgraph_function_versioning): New functions.
8686 * integrate.c (copy_decl_for_inlining): Remove.
8687 * ipa-prop.h (ipa_replace_map): New struct.
8688 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8689 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8690 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8691 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8692 ipcp_iterate_stage, ipcp_method_scale_print,
8693 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8694 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8695 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8696 ipcp_update_bb_counts, ipcp_update_profiling,
8697 ipcp_update_edges_counts): New functions.
8698 (ipcp_method_cval_init): Remove restriction regarding local methods.
8699 (ipcp_init_stage): Add ipcp_method_compute_scale.
8700 (ipcp_insert_stage): Add versioning.
8701 (ipcp_structures_print): Add ipcp_method_scale_print.
8702 (ipcp_driver): Dump profiling info.
8703 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8704 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8705 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8706 (struct inline_data): Add versioning_p, ipa_info, new fields.
8707 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8708 declare_return_variable): Replace calls to copy_decl_for_inlining with
8709 copy_decl_for_dup.
8710 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8711 versioning support.
8712 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8713 Add argument VERSIONING.
8714 (copy_arguments_for_versioning, copy_static_chain,
8715 function_versionable_p, tree_versionable_function_p,
8716 tree_function_versioning, replace_ref_tree): New functions.
8717 * tree-inline.h: Include varray.h.
8718 (tree_versionable_function_p, tree_function_versioning,
8719 tree copy_decl_for_dup): New declarations.
8721 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8723 * ipa-cp.c: New file. Contains IPCP specific functionality.
8724 * ipa-prop.h: New file. Contains structures/definitions that can be
8725 used by several interprocedural data flow optimizations (and also IPCP).
8726 * ipa-prop.c: New file.
8727 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8728 * common.opt: Add ipa-cp flag.
8729 * timevar.def: Add IPCP optimization.
8730 * tree-optimize.c (init_tree_optimization_passes): Schedule
8731 pass_ipa_cp.
8732 * tree-pass.h (pass_ipa_cp): Declare.
8734 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
8736 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8737 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8738 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8739 config/i386/i386.c, config/mips/mips.h,
8740 config/rs6000/rs6000.h, config/sh/sh.c,
8741 config/stormy16/stormy16.c: Fix comment typos.
8743 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
8745 PR c/22311
8746 * c-typeck.c (build_binary_op): Use common_type wrapper on
8747 shortened types.
8748 (common_type): Update comment.
8750 2005-07-31 Steven Bosscher <stevenb@suse.de>
8752 PR target/23095
8753 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8754 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8755 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8757 2005-07-31 Jan Hubicka <jh@suse.cz>
8759 * pretty-print.h (pp_widest_integer): New macro.
8760 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8761 counts.
8763 2005-07-31 Jan Hubicka <jh@suse.cz>
8765 * output.h (enum section_category): Export from varasm.c
8766 (categorize_decl_for_section): Likewise.
8767 * varasm.c (enum section_category): Kill.
8768 (categorize_decl_for_section): Make global.
8769 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8770 Declare.
8771 * i386.c (ix86_section_threshold): New static variable.
8772 (ix86_in_large_data_p, ix86_encode_section_info,
8773 x86_64_elf_unique_section,
8774 x86_64_elf_select_section): New functions.
8775 (TARGET_ENCODE_SECTION_INFO): Define
8776 (override_options): Enable medium model for PIC.
8777 (ix86_expand_prologue): Expand gen_set_got_rex64.
8778 (legitimate_constant_p): Handle new UNSPECs.
8779 (legitimate_pic_address_disp_p): Likewise.
8780 (legitimize_pic_address): Lower MEDIUM model addressing.
8781 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8782 (enum cmodel): Add MEDIUM_PIC.
8783 (SYMBOL_REF_FAR_ADDR_P): New macro.
8784 (SYMBOL_FLAG_FAR_ADDR): New flag.
8785 * i386.md (movdi): Support medium model.
8786 (set_got_rex64): New pattern.
8787 * i386.opt (mlarge-data-threshold): New flag.
8788 * predicates.md (zext_operand/sext_operand): Deal with medium model.
8789 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8790 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8791 TARGET_ASM_UNIQUE_SECTION): New.
8793 * invoke.texi (-mlarge_data_threshold): Document
8795 2005-07-31 Jan Hubicka <jh@suse.cz>
8797 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8798 (coalesce_vars): Likewise.
8799 * tree-ssa-live.c (coalesce_cost): New.
8800 (build_tree_conflict_graph): Use coalesce_cost.
8801 * tree-ssa-live.h (coalesce_cost): Declare.
8803 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
8805 * arm.md (all peepholes for post-increment operations): Delete.
8806 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8807 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8808 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8809 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8810 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8812 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
8814 * fold-const.c (tree_expr_nonnegative_p): Always return true for
8815 non-integral types.
8817 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
8819 PR target/22582
8820 * doc/invoke.texi: Document -rdynamic.
8822 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
8824 PR c/23143
8825 * c-parser.c (c_parser_parms_list_declarator): Call
8826 mark_forward_parm_decls.
8827 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8828 decls with visibility structure.
8830 2005-07-30 Paul Brook <paul@codesourcery.com>
8832 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8834 2005-07-30 Paul Brook <paul@codesourcery.com>
8836 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8837 prototype.
8838 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8839 value for mode.
8840 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8842 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8844 PR c/529
8845 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8846 nested function declarators.
8847 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8848 (grokparms): Call warn_if_shadowing for parameters used within the
8849 parameter list.
8850 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8851 not used within the parameter list.
8852 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8854 2005-07-30 Jan Hubicka <jh@suse.cz>
8856 * expr.c (expand_expr_real_1): Do not load mem targets into register.
8857 * i386.c (ix86_fixup_binary_operands): Likewise.
8858 (ix86_expand_unary_operator): Likewise.
8859 (ix86_expand_fp_absneg_operator): Likewise.
8860 * optabs.c (expand_vec_cond_expr): Validate dest.
8862 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8864 PR c/21720
8865 * real.c (real_from_string): Also set last bit if there is a
8866 nonzero hex digit beyond GCC's internal precision after ".".
8868 2005-07-29 David Edelsohn <edelsohn@gnu.org>
8870 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8871 define_constants. Change duplicate values to unassigned numbers.
8872 Change UNSPEC_SUBS to UNSPEC_VSUBS.
8873 (*altivec_vspltsf): New.
8874 (altivec_vperm_v4sf): Delete.
8875 (altivec_vperm_<mode>): Use mode macro V.
8876 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8877 (altivec_predicate_v4sf): Delete.
8878 (altivec_predicate_<mode>): Use mode macro V.
8879 (*altivec_lvesfx): New.
8880 (*altivec_stvesfx): New.
8881 (vec_realign_load_v4sf): Delete.
8882 (vec_realign_load_<mode>): Use mode macro V.
8883 * config/rs6000/rs6000.c (generate_set_vrsave): Use
8884 UNSPECV_SET_VRSAVE.
8886 2005-07-29 Mark Mitchell <mark@codesourcery.com>
8888 PR bootstrap/23131
8889 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8890 string.
8891 * configure: Regenerated.
8893 2005-07-29 Paul Brook <paul@codesourcery.com>
8895 * doc/install.texi: Add link to GFortran binaries wiki page.
8897 2005-07-29 David Ung <davidu@mips.com>
8899 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8900 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8901 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8902 * config/mips/mips.md (cpu): Add 5kf name.
8903 (includes): Includes 5k.md.
8904 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8905 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8906 -march flag.
8908 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8910 PR 22550
8911 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8912 (cleanup_tree_cfg): ... here.
8913 Call cleanup_tree_cfg_1 until there are no more cleanups to
8914 do.
8916 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
8918 * tree-vrp.c (compare_range_with_value): Return true or false
8919 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8920 EQ_EXPR respectively.
8922 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
8924 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8925 Fix comment typos.
8927 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8929 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8930 (tree_ssa_dominator_optimize): Increment it.
8931 (dump_dominator_optimization_stats): Print it.
8933 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
8934 Steven Bosscher <stevenb@suse.de>
8936 PR rtl-optimization/23117
8937 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8938 when head == tail. Tidy comment.
8940 2005-07-28 Richard Henderson <rth@redhat.com>
8942 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8943 * cselib.c (rtx_equal_for_cselib_p): Likewise.
8944 * jump.c (rtx_renumbered_equal_p): Likewise.
8945 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8946 CONST_INT and CONST_DOUBLE.
8947 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8948 * reload.c (operands_match_p): Special case CONST_INT and
8949 CONST_DOUBLE; check mode earlier.
8951 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8953 PR c/22240
8954 * c-typeck.c (convert_for_assignment): Do not check
8955 DECL_IN_SYSTEM_HEADER on NULL fundecl.
8957 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8959 PR c/22192
8960 * c-typeck.c (composite_type): Prefer constant size arrays to
8961 VLAs.
8963 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8965 PR c/21720
8966 * real.c (real_from_string): Set last bit if there is a nonzero
8967 hex digit beyond GCC's internal precision.
8969 2005-07-28 Richard Henderson <rth@redhat.com>
8971 PR rtl-opt/22619
8972 * cfgcleanup.c (try_forward_edges): Watch out for end of
8973 insn chain.
8975 2005-07-28 James E Wilson <wilson@specifixinc.com>
8977 PR c/23106
8978 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8980 2005-07-28 Jan Hubicka <jh@suse.cz>
8982 * Makefile.in (rtl-profile.o): Kill all traces of it.
8983 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8984 * coverage.h (rtl_coverage_counter_ref): Kill.
8985 * opts.c (flag_speculative_prefetching_set): Kill.
8986 (flag_loop_optimize_set): New.
8987 (common_handle_option): Disable loop optimizer when profiling;
8988 do not handle speculative prefetching.
8989 * passes.c (init_optimization_passes): Replace pass_profiling combo
8990 by branch_prob pass.
8991 * profile.c (compute_value_histograms): Update for simplified value
8992 profiles.
8993 (rtl_register_profile_hooks): Kill.
8994 (pass_profiling): Kill.
8995 (rest_of_handle_branch_prob): Do not profile.
8996 * toplev.c (process_options): Remove speculative prefetching.
8997 * toplev.h (flag_tree_based_profiling): Kill.
8998 * tree-profile.c (prepare_instrumented_value,
8999 tree_gen_interval_profiler, tree_gen_pow2_profiler,
9000 tree_gen_one_value_profiler, do_tree_profiling): Update for
9001 simplified datastructures.
9002 * value-prof.c: Add comment that speculative prefetching was dropped;
9003 update rest of file for simplified datastructures.
9004 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9005 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9006 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9007 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9008 rtl_mod_subtract, gen_speculative_prefetch,
9009 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9010 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9011 (gate_handle_value_profile_transformations,
9012 rest_of_handle_value_profile_transformations,
9013 pass_value_profile_transformations): Kill.
9014 * value-prof.h (histogram_value_t): Remove IL based unions.
9015 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9016 rtl_profile_hooks): Remove hooks.
9018 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9020 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9021 (cgraph_clone_node): Likewise.
9022 * cgraph.h (cgraph_clone_edge): Update prototype.
9023 (cgraph_clone_node): Likewise.
9024 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9025 cgraph_clone_node.
9026 (lookup_recursive_calls): Consider profile.
9027 (cgraph_decide_recursive_inlining): Fix updating; use new
9028 probability argument; use profile.
9029 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9030 * tree-inline.c (copy_bb): Update clal of clone_edge.
9031 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9033 * invoke.texi (min-inline-recursive-probability): Document.
9035 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9037 * doc/install.texi (Configuration): Update Valgrind homepage.
9039 2005-07-28 Richard Henderson <rth@redhat.com>
9041 PR middle-end/21362
9042 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9043 labels we want to delete.
9044 (cfg_layout_merge_blocks): Likewise.
9046 2005-07-28 Richard Henderson <rth@redhat.com>
9048 PR target/17692
9049 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9050 when expanding to nothing.
9052 2005-07-28 Josh Conner <jconner@apple.com>
9054 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9055 (cgraph_decide_inlining_of_small_functions): Likewise.
9057 2005-07-28 Josh Conner <jconner@apple.com>
9059 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9060 direction of badness if negative.
9061 (cgraph_default_inline_p): Add reason to parameters, and assign it
9062 a value.
9063 (cgraph_decide_inlining_of_small_functions): New parameter in call
9064 to cgraph_default_inline_p.
9065 (cgraph_decide_inlining_incrementally): Likewise.
9066 * cgraphunit.c (decide_is_function_needed): Likewise.
9067 * cgraph.h (cgraph_default_inline_p): Likewise.
9069 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9071 * builtins.c: Fix comment typo(s).
9072 * genautomata.c: Likewise.
9073 * gimplify.c: Likewise.
9074 * tree-dfa.c: Likewise.
9075 * tree-flow-inline.h: Likewise.
9076 * tree-into-ssa.c: Likewise.
9077 * tree-ssa-alias.c: Likewise.
9078 * tree-ssa-ccp.c: Likewise.
9079 * tree-ssa-copy.c: Likewise.
9080 * tree-ssa-dce.c: Likewise.
9081 * tree-ssa-dom.c: Likewise.
9082 * tree-ssa-operands.c: Likewise.
9083 * tree-tailcall.c: Likewise.
9084 * tree-vectorizer.c: Likewise.
9085 * tree-vrp.c: Likewise.
9086 * tree.c: Likewise.
9088 2005-07-28 Jeff Law <law@redhat.com>
9090 * tree-vrp.c (test_for_singularity): Extracted from ...
9091 (simplify_cond_using_ranges): Attempt to simplify a relational
9092 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9094 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9096 PR tree-optimization/22506
9097 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9098 phis whose argument is constant.
9100 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9102 PR rtl-optimization/18992
9103 Back out this patch:
9104 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9105 PR optimization/12142
9106 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9107 uses of the register in the SET_SRC. Remove unnecessary argument.
9109 Replace it with this:
9110 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9111 if flag_non_call_exceptions is set and the insn may trap, pass
9112 pc_rtx as dest for recursion.
9113 In SET_SRC part of SET case, if dest is already set, pass it down
9114 unchanged.
9116 2005-07-28 Jan Hubicka <jh@suse.cz>
9118 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9119 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9120 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9121 roundoff errors.
9122 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9123 profile when available.
9125 2005-07-28 Jan Beulich <jbeulich@novell.com>
9127 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9128 (ia64_print_operand): Describe and handle 'X'.
9129 (ia64_register_move_cost): Also handle FP_REGS.
9130 (ia64_preferred_reload_class): Likewise.
9131 (ia64_secondary_reload_class): Likewise.
9132 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9133 it. Also check for ITANIUM_CLASS_FLDP.
9134 * config/ia64/ia64.h (FP_REGNO_P): New.
9135 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9136 (reg_class): Add FP_REGS.
9137 (REG_CLASS_NAMES): Adjust for it.
9138 (REG_CLASS_CONTENTS): Likewise.
9139 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9140 (REG_CLASS_FROM_LETTER): Handle 'x'.
9141 (CLASS_MAX_NREGS): Handle FP_REGS.
9142 (MEMORY_MOVE_COST): Likewise.
9143 * config/ia64/ia64.md (itanium_class): Add fldp.
9144 (type): Handle fldp.
9145 (movti_internal): More allowable operand combinations. Use ldfp8 when
9146 splitting unnecessary. Remove predicable attribute. Adjust
9147 itanium_class attribute.
9148 (smuldi3_highpart): Remove outdated comment.
9149 (mulditi3, umulditi3, rotlti3): New expanders.
9150 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9151 (absti2): Disabled new insn for future reference.
9152 Respective new splitters.
9153 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9154 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9155 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9157 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9159 PR rtl-optimization/23047
9160 * simplify-rtx.c (simplify_const_relational_operation): Respect
9161 flag_wrapv for comparisons with ABS.
9163 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9165 PR tree-optimization/22493
9166 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9167 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9169 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9171 * config/frv/frv.opt (moptimize-membar): New.
9173 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9175 * config/frv/frv.h: Remove machine_function definition.
9177 * config/frv/frv.c (struct frv_io): New.
9178 (struct machine_function): Moved from frv.h. Add has_membar_p.
9179 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9180 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9181 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9182 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9183 (frv_reorg): Call frv_optimize_membar when appropriate.
9184 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9185 (frv_expand_builtin): Adjust calls accordingly.
9186 (frv_io_address_cookie): New function.
9187 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9188 load or store rather than a special insn. Add ccnstant address and
9189 io-type operands to the membar.
9190 (frv_ifcvt_modify_tests): Unsign regno.
9191 (frv_ifcvt_modify_tests): Same.
9193 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9194 UNSPEC_OPTIONAL_MEMBAR constant.
9195 (builtin_read_<mode>): Delete.
9196 (builtin_write_<mode>): Delete.
9197 ("optional_membar_<mode>"): Add operand.
9199 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9200 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9201 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9202 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9203 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9204 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9205 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9206 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9207 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9209 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9211 * df.c (df_uses_record): Handle SCRATCH.
9213 2005-07-28 Steven Bosscher <stevenb@suse.de>
9215 PR debug/20161
9216 * passes.c (rest_of_decl_compilation): If decl is a type and
9217 we have encountered errors, don't emit debug information.
9219 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9221 * params.def: Fixed comment.
9223 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9225 PR target/19885
9226 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9227 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9228 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9230 2005-07-27 Steven Bosscher <stevenb@suse.de>
9232 PR c++/22003
9233 * varasm.c (assemble_start_function): Don't do anything that may
9234 require a CFG if the current function is a thunk.
9236 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9238 * doc/install.texi (Prerequisites): Mention that perl is needed
9239 to do export control in libstdc++ targetting Darwin.
9241 2005-07-27 Steven Bosscher <stevenb@suse.de>
9243 PR rtl-optimization/17808
9244 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9245 (sched_insns_conditions_mutex_p): Split out from...
9246 (add_dependence): ...here. But don't call it from here.
9247 (add_dependence_list): Check sched_insns_conditions_mutex_p
9248 before calling add_dependence.
9249 (add_dependence_list_and_free): Likewise.
9250 (fixup_sched_groups): Likewise.
9251 (sched_analyze_1): Likewise.
9252 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9253 (sched_analyze): Likewise.
9254 (sched_analyze_insn): Likewise.
9255 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9256 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9257 dependencies on all COND_EXEC insns to jumps ending basic blocks
9258 when doing intrablock scheduling.
9259 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9261 2005-07-27 Jeff Law <law@redhat.com>
9263 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9264 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9265 equivalency sets, correctly handle the case were vr0 has an
9266 equivalency set, but vr1 does not.
9268 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9270 PR tree-optimization/23073
9271 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9272 vect_print_dump_info before fprintf.
9274 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9276 PR tree-optimize/22348
9277 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9278 Fold the partial computation.
9280 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9282 PR tree-optimization/22325
9283 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9284 Declare.
9285 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9286 value replacement.
9287 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9288 (force_var_cost): ... this function.
9289 (compute_phi_arg_on_exit): Export.
9291 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9293 PR tree-optimization/20773
9294 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9295 edge.
9297 2005-07-27 Richard Guenther <rguenther@suse.de>
9299 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9300 Avoid pushing again if current struct contains only
9301 fields we decomposed.
9303 2005-07-27 Jan Hubicka <jh@suse.cz>
9305 PR tree-optimization/22574
9306 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9307 not available.
9309 * tree-tailcall.c (decrease_profile): New function.
9310 (eliminate_tail_call): Use it.
9312 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9313 visibility flags correctly in whole program mode.
9315 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9317 PR rtl-optimization/22472
9318 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9320 2005-07-26 Steven Bosscher <stevenb@suse.de>
9322 PR tree-optimization/22504
9323 * tree-complex.c (expand_complex_addition): Use 'code' instead
9324 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9326 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9328 * config.gcc (cpu_type): Add frv case.
9329 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9330 (supported_defaults): Add fr550 case.
9332 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9334 PR 22591
9335 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9336 whether a pointer of type T * may point to objects of type T *.
9338 2005-07-26 DJ Delorie <dj@redhat.com>
9340 * configure: Regenerate.
9342 2005-07-26 Dale Johannesen <dalej@apple.com>
9344 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9346 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9348 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9349 Clarify use of "build" in name.
9351 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9353 * doc/extend.texi (Raw read/write Functions): New section.
9354 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9355 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9356 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9357 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9358 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9359 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9360 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9361 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9362 * config/frv/frv.c: Add bdesc_loads global.
9363 Add bdesc_stores global.
9364 (frv_init_builtins): Add support for __builtin_{read/write}*.
9365 (frv_volatile_memref): New.
9366 (frv_expand_load_builtin): New.
9367 (frv_expand_store_builtin): New.
9368 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9369 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9370 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9371 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9372 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9373 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9374 (builtin_read_<mode>): New.
9375 (builtin_write_<mode>): New.
9376 (builtin_write64): New.
9377 (optional_membar_<mode>): New.
9379 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9381 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9382 (rather than units) against HOST_BITS_PER_WIDE_INT.
9384 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9386 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9387 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9388 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9389 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9390 FSF address.
9392 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9393 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9394 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9395 comment typos.
9396 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9398 2005-07-26 Richard Guenther <rguenther@suse.de>
9400 PR tree-optimization/22486
9401 * fold-const.c (fold_unary): Fold away useless component
9402 references of the form (T *)&T.x, if the address
9403 doesn't change.
9405 2005-07-25 James E Wilson <wilson@specifixinc.com>
9407 * dwarf2out.c (add_call_src_coords_attributes): New.
9408 (gen_inlined_subroutine_die): Call it.
9409 (maybe_emit_file, init_file_table): Add comments.
9410 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9411 maybe_emit_file.
9412 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9413 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9414 * tree.h (BLOCK_SOURCE_LOCATION): New.
9415 (struct tree_block): New field locus.
9417 2005-07-26 Andreas Schwab <schwab@suse.de>
9419 PR rtl-optimization/23043
9420 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9421 when allocating a struct unoccr.
9423 2005-07-25 Richard Henderson <rth@redhat.com>
9425 PR 22626
9426 * tree-complex.c (gate_no_optimization): True if errors.
9427 * Makefile.in (tree-complex.o): Update dependencies.
9429 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
9431 * config/frv/predicates.md (integer_register_operand): Use
9432 GPR_AP_OR_PSEUDO_P.
9434 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9436 PR tree-opt/22484
9437 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9438 after fold.
9439 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9441 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9443 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9444 types when flag_unsafe_math_optimizations is true.
9446 2005-07-25 Mark Mitchell <mark@codesourcery.com>
9448 * gcc.c (option_map): Add --sysroot.
9449 (process_command): Handle --sysroot.
9450 (display_help): Document it.
9451 * doc/cppopts.tex (-isysroot): Document.
9452 * doc/invoke.texi (--sysroot): Document.
9453 * doc/install.texi (--with-build-sysroot): Document.
9455 * Makefile.in (inhibit_libc): New variable.
9456 (INHIBIT_LIBC_CFLAGS): Likewise.
9457 (LIBGCC2_CFLAGS): Include
9458 $(INHIBIT_LIBC_CFLAGS).
9459 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9460 ($(T)crtbegin.o): Do not use @inhibit_libc@.
9461 ($(T)crtend.o): Likewise.
9462 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9463 ($(T)crtendS.o): Likewise.
9464 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9465 ($(T)crtendT.o): Likewise.
9466 (stmp-fixinc): Do not complain about missing headers if
9467 inhibit_libc.
9468 * configure.ac (inhibit_libc): Set it to true/false.
9469 (--with-build-sysroot): New option. Use it to set
9470 SYSTEM_HEADER_DIR.
9471 * configure: Regenerated.
9473 2005-07-25 Manfred Hollstein <mh@suse.com>
9475 * calls.c (store_one_arg): Fix unsigned comparison warning.
9477 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
9479 PR other/22337
9480 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9481 (ggc_print_statistics): Initialize variable before use.
9483 2005-07-25 Richard Guenther <rguenther@suse.de>
9485 * tree-dfa.c (mark_new_vars_to_rename): Protect against
9486 calling with a PHI_NODE argument.
9488 * tree-flow-inline.h (overlap_subvar): Protect against
9489 possible overflow.
9491 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
9493 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9494 * configure: Regenerate.
9496 2005-07-25 Ira Rosen <irar@il.ibm.com>
9498 * expr.c (highest_pow2_factor): Make extern.
9499 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9500 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9501 record_array_differ_p, array_ptr_differ_p): Likewise.
9502 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9503 additional cases. Call the above functions.
9504 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9505 base_object_differ_p when there are two base objects. Otherwise, compare
9506 base address and offset. Call may_alias_p.
9507 (dump_data_reference): Use a correct field name.
9508 (analyze_array): Make static. Initialize new data-ref fields.
9509 (analyze_indirect_ref): New function.
9510 (init_data_ref): Initialize new data-ref fields.
9511 (strip_conversion): Moved from tree-vect-analyze.c.
9512 (analyze_offset_expr, get_ptr_offset, address_analysis,
9513 object_analysis): Likewise.
9514 (analyze_offset): New function.
9515 (create_data_ref): Likewise.
9516 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9517 dimensions for ARRAY_REFs only.
9518 (build_classic_dist_vector): Make static.
9519 (access_functions_are_affine_or_constant_p): Call macro to get the
9520 address of access functions.
9521 (compute_all_dependences): Add new parameter
9522 compute_self_and_read_read_dependences. Compute self and read-read
9523 dependences if it is true.
9524 (find_data_references_in_loop): Call create_data_ref. Initialize new
9525 data-ref fields.
9526 (compute_data_dependences_for_loop): Add new parameter
9527 compute_self_and_read_read_dependences. Remove parameter nb_loops,
9528 compute nb_loops. Call compute_all_dependences,
9529 build_classic_dist_vector and build_classic_dir_vector with correct
9530 parameters.
9531 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9532 with correct parameters. Compare dimensions for ARRAY_REFs only.
9533 (free_data_refs): Call macro to free access functions.
9534 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9535 fields from stmt_vinfo.
9536 (struct base_object_info): New structure.
9537 (struct data_reference): Move fields to base_object_info. Add fields
9538 first_location and object_info for above structures. Move fields from
9539 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9540 aligned_to. Add macros to access the new fields.
9541 Update functions declarations.
9542 * tree-flow.h (is_aliased_with): Declare.
9543 * tree-loop-linear.c (linear_transform_loops): Call
9544 compute_data_dependences_for_loop with correct parameters.
9545 * tree-ssa-alias.c (is_aliased_with): New function.
9546 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9547 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9548 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9549 vect_base_addr_differ_p, compute_subscript_distance and
9550 build_classic_dist_vector. Add printings. Check absolute value of
9551 distance.
9552 (vect_analyze_data_ref_dependences): Go through ddrs instead of
9553 data-refs.
9554 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9555 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9556 to bytes. Add printing.
9557 (vect_compute_data_refs_alignment): Go through loads and stores in one
9558 loop.
9559 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9560 vect_analyze_data_ref_access): Likewise.
9561 (vect_analyze_pointer_ref_access): Remove.
9562 (vect_address_analysis, vect_object_analysis): Likewise.
9563 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9564 and analyze data-refs in the loop.
9565 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9566 fields of data-ref instead of stmt. Add init to the offset from the
9567 base.
9568 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9569 (vect_update_init_of_dr): Likewise.
9570 (vect_update_inits_of_drs): Go through loads and stores in one loop.
9571 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9572 removed fields.
9573 (new_loop_vec_info): Initialize new fields.
9574 (destroy_loop_vec_info): Free new fields.
9575 (vect_strip_conversion): Remove.
9576 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9577 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9578 datarefs. Add new field ddrs.
9579 Add macros for the new fields access.
9580 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9581 base_aligned_p, misalignment, memtag, ptr_info and subvars.
9582 Remove their macros.
9583 * tree.h (highest_pow2_factor): Declare.
9585 2005-07-25 Jakub Jelinek <jakub@redhat.com>
9587 * calls.c (store_one_arg): Check for sibling call MEM arguments
9588 from already clobbered incoming argument area.
9590 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9592 * c-common.c (check_missing_format_attribute): New.
9593 * c-common.h (check_missing_format_attribute): Likewise.
9594 * c-typeck.c (convert_for_assignment): Use it.
9596 2005-07-24 Andreas Schwab <schwab@suse.de>
9598 * config/m68k/m68k.md ("extendqidi2"): When source is an address
9599 register use a word move. Correct operand of ext.w in 68000 code.
9601 2005-07-23 Mark Mitchell <mark@codesourcery.com>
9603 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9604 variables as declarations, rather than definitions.
9606 2005-07-24 Ira Rosen <irar@il.ibm.com>
9608 PR tree-optimization/22526
9609 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9610 of the zero node.
9612 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9614 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9615 that C99 reserve for future use. Use it to define clog10,
9616 clog10f and clog10l.
9618 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9620 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9621 * configure.ac: Check for -Wmissing-format-attribute.
9623 * configure: Regenerate.
9625 2005-07-23 Richard Henderson <rth@redhat.com>
9627 PR tree-optimization/22623
9628 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9630 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
9632 PR target/22577
9633 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9635 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9637 * Makefile.in (C_TREE_H): Update dependencies.
9638 * c-tree.h: Include toplev.h.
9639 * diagnostic.h (diagnostic_set_info): Add format attribute.
9640 * rtl-error.c (diagnostic_for_asm): Likewise.
9642 2005-07-23 Chao-ying Fu <fu@mips.com>
9644 * config/mips/mips-dsp.md: New file.
9645 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9646 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9647 functions.
9648 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9649 MIPS_BUILTIN_BPOSGE32.
9650 (mips_expand_builtin_direct): Add one parameter to indicate that
9651 builtin functions need to return a value.
9652 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9653 functions.
9654 (mips_regno_to_class): Add classes for 12 new DSP registers.
9655 (mips_subword): Change to check four HI registers.
9656 (mips_output_move): Output move to and from 6 new DSP accumulators.
9657 (override_options): Make sure -mdsp and -mips16 are not used together.
9658 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
9659 for machine modes.
9660 (mips_conditional_register_usage): Disable 6 new DSP accumulators
9661 when !TARGET_DSP.
9662 (print_operand): Add 'q' for printing DSP accumulators.
9663 (mips_cannot_change_mode_class): Check ACC_REGS.
9664 (mips_secondary_reload_class): Check ACC_REGS.
9665 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9666 (mips_register_move_cost): Check ACC_REGS.
9667 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9668 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9669 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9670 (dsp_bdesc): New array.
9671 (bdesc_arrays): Add DSP builtin function table.
9672 (mips_prepare_builtin_arg): Check predicate again after
9673 copy_to_mode_reg.
9674 (mips_expand_builtin): Add one more parameter to
9675 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9676 MIPS_BUILTIN_BPOSGE32.
9677 (mips_init_builtins): Initialize new function types.
9678 (mips_expand_builtin_direct): Check if builtin functions need to
9679 return a value and pass operands properly.
9680 (mips_expand_builtin_bposge): New function.
9681 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9682 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9683 (FIRST_PSEUDO_REGISTER): Increase to 188.
9684 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9685 Update for 12 new DSP registers.
9686 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9687 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9688 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9689 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9690 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9691 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9692 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9693 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9694 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9695 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9696 (REGISTER_NAMES): Add names for 12 new DSP registers.
9697 * config/mips/mips.md: Include mips-dsp.md.
9698 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9699 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9700 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9701 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9702 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9703 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9704 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9705 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9706 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9707 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9708 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9709 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9710 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9711 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9712 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9713 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9714 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9715 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9716 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9717 (UNSPEC_RDDSP): New constants.
9718 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9719 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
9720 A<-d alternative.
9721 * config/mips/mips.opt (-mdsp): New option.
9722 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9723 (reg_imm10_operand): New predicates.
9724 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9725 * doc/invoke.texi (-mdsp): Document new option.
9727 2005-07-22 DJ Delorie <dj@redhat.com>
9729 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9730 to warning calls.
9731 * tree-inline.c (inlinable_function_p): Likewise.
9733 2005-07-22 Mark Mitchell <mark@codesourcery.com>
9735 PR debug/21828
9736 * toplev.c (check_global_declarations): Do not mark undefined
9737 variables as DECL_IGNORED_P.
9738 * varasm.c (first_global_object_name): GTY it.
9739 (weak_global_object_name): Likewise.
9740 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9741 a string to go into {weak,first}_global_object_name.
9743 2005-07-22 DJ Delorie <dj@redhat.com>
9745 * c-format.c (check_function_format): Change warning control
9746 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9748 2005-07-22 Diego Novillo <dnovillo@redhat.com>
9750 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9751 &PTR->FLD a dereference of PTR.
9752 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9753 a potential dereference of PTR.
9755 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
9757 PR rtl-optimization/20370
9758 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9759 call allocate_reg_info if necessary.
9761 PR rtl-optimization/21848
9762 * calls.c (emit_library_call_value_1): For const functions, add
9763 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9765 PR rtl-optimization/22445
9766 * cselib.c (target.h): Include.
9767 (rtx_equal_for_cselib_p): Allow commutative matches.
9768 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9769 Remove MODE parameter. Changed all callers.
9771 PR rtl-optimization/22258
9772 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9773 New functions.
9774 (try_combine): Use likely_spilled_retval_p.
9776 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
9778 * config.gcc: Add crx-elf support.
9780 * doc/contrib.texi: Mention crx.
9781 * doc/extend.texi: Document crx extensions.
9782 * doc/install.texi: Document crx install.
9783 * doc/invoke.texi: Document crx options.
9784 * doc/md.texi: Document crx constraints.
9786 * config/crx/crx-protos.h: New file.
9787 * config/crx/crx.c: New file.
9788 * config/crx/crx.h: New file.
9789 * config/crx/crx.md: New file.
9790 * config/crx/crx.opt: New file.
9791 * config/crx/t-crx: New file.
9793 2005-07-22 Manfred Hollstein <mh@suse.com>
9795 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9796 warnings.
9797 (int_add_graph_edge): Likewise.
9798 (collapse_nodes): Likewise.
9799 (process_unification_queue): Likewise.
9801 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9802 Laurent GUERBY <laurent@guerby.net>
9804 PR tree-optimization/22336
9805 * function.c (record_block_change): Check for
9806 cfun->ib_boundaries_block.
9808 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
9810 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9811 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9813 2005-07-21 DJ Delorie <dj@redhat.com>
9815 * toplev.c (warn_deprecated_use): Add warning control to warning
9816 call.
9817 * c-typeck.c (parser_build_binary_op): Likewise.
9818 (c_finish_if_stmt): Likewise.
9819 * c-common.c (check_function_sentinel): Likewise.
9820 (check_nonnull_arg): Likewise.
9822 2005-07-21 Richard Henderson <rth@redhat.com>
9824 PR tree-opt/22504
9825 * tree-complex.c (complex_ssa_name_components): New.
9826 (cvc_lookup): Allow entry not found.
9827 (create_components): Remove.
9828 (create_one_component_var, get_component_var): New.
9829 (get_component_ssa_name, set_component_ssa_name): New.
9830 (extract_component): Use get_component_ssa_name.
9831 (update_complex_components): Use set_component_ssa_name.
9832 (update_complex_components_on_edge): Likewise.
9833 (update_phi_components): Create new PHI nodes directly, instead
9834 of adding insns to edges.
9835 (tree_lower_complex): Allocate and free complex_variable_components
9836 and complex_ssa_name_components here.
9838 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
9840 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9841 revert to returning false.
9843 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9845 PR target/21149
9846 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9848 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9850 PR target/22576
9851 * config/i386/i386.md (cmpxf): Change operand constraints
9852 to "nonmemory_operand".
9854 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9856 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9858 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9860 PR middle-end/21180
9861 * fold-const.c (fold_build1): Add checksum for the operands.
9862 (fold_build2): Likewise.
9863 (fold_build3): Likewise.
9865 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9867 PR middle-end/19055
9868 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9870 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9872 * common.opt (-fforward-propagate): Committed by mistake,
9873 removed.
9875 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9877 * reg-stack.c: Fix comment typo(s).
9878 * tree-ssa-operands.c: Likewise.
9879 * tree-vectorizer: Likewise.
9881 2005-07-21 Nick Clifton <nickc@redhat.com>
9883 * config/sh/symbian.c: Replace C++ style line comments with C
9884 style line comments.
9885 (symbian_add_attribute): Do not use a ? operator on the LHS of
9886 an assignment.
9887 (sh_symbian_handle_dll_attribute): Change the type of the
9888 method vector to "VEC(tree,gc)*" and use vector accessor
9889 macros to walk over the elements.
9890 (symbian_export_vtable_and_rtti_p): Likewise.
9891 (symbian_class_needs_attribute_p): Likewise.
9893 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9895 PR target/22085
9896 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9897 initialize targetm.resolve_overloaded_builtin here.
9898 (altivec_expand_overloaded_builtin): Make it non-static.
9899 * config/rs6000/rs6000-protos.h
9900 (altivec_expand_overloaded_builtin): New prototype.
9901 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9902 targetm.resolve_overloaded_builtin here.
9903 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9905 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9906 Zdenek Dvorak <dvorakz@suse.cz>
9908 PR tree-optimization/19210
9909 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9910 New.
9911 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9912 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9913 rely on unproven assumptions.
9914 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9915 * tree-flow.h (number_of_iterations_exit): Add final parameter.
9916 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9917 to number_of_iterations_exit.
9918 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9919 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9920 * tree-ssa-loop-niter.c (find_loop_niter,
9921 estimate_numbers_of_iterations_loop): Likewise.
9922 (number_of_iterations_exit): Honor the new options.
9923 * doc/invoke.texi (Wunsafe-loop-optimizations,
9924 funsafe-loop-optimizations): Document them.
9926 2005-07-21 Richard Sandiford <richard@codesourcery.com>
9928 PR rtl-optimization/22167
9929 * gcse.c (hoist_code): Fix hoist_exprs[] check.
9931 2005-07-20 Adam Nemet <anemet@lnxw.com>
9933 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9934 __do_global_dtors_aux longcall.
9936 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
9938 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9939 (old_special_pred_table): Don't reference
9940 SPECIAL_MODE_PREDICATES.
9941 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9942 * config/arc/arc.h: Don't mention PREDICATE_CODES.
9943 * config/sh/predicates.h: Don't mention
9944 SPECIAL_MODE_PREDICATES.
9945 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9946 Remove.
9948 2005-07-20 DJ Delorie <dj@redhat.com>
9950 * config.gcc: Add m32c-elf support.
9952 * doc/contrib.texi: Mention m32c.
9953 * doc/extend.texi: Document m32c extensions.
9954 * doc/install.texi: Mention m32c.
9955 * doc/invoke.texi: Document m32c options.
9956 * doc/md.texi: Document m32c constraints.
9958 * config/m32c/addsub.md: New file.
9959 * config/m32c/bitops.md: New file.
9960 * config/m32c/cond.md: New file.
9961 * config/m32c/jump.md: New file.
9962 * config/m32c/m32c-lib1.S: New file.
9963 * config/m32c/m32c-lib2.c: New file.
9964 * config/m32c/m32c-modes.def: New file.
9965 * config/m32c/m32c-pragma.c: New file.
9966 * config/m32c/m32c-protos.h: New file.
9967 * config/m32c/m32c.abi: New file.
9968 * config/m32c/m32c.c: New file.
9969 * config/m32c/m32c.h: New file.
9970 * config/m32c/m32c.md: New file.
9971 * config/m32c/m32c.opt: New file.
9972 * config/m32c/minmax.md: New file.
9973 * config/m32c/mov.md: New file.
9974 * config/m32c/muldiv.md: New file.
9975 * config/m32c/predicates.md: New file.
9976 * config/m32c/prologue.md: New file.
9977 * config/m32c/shift.md: New file.
9978 * config/m32c/t-m32c: New file.
9980 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9982 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9983 (stack_protect_set, stack_protect_test): New expanders.
9984 (stack_protect_set_si, stack_protect_set_si_media,
9985 stack_protect_set_di_media, stack_protect_test_si,
9986 stack_protect_test_si_media, stack_protect_test_di_media):
9987 New insns.
9989 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
9991 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9993 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
9995 * tree.h (tree_expr_nonzero_p): Export.
9996 * fold-const.c (tree_expr_nonzero_p): Likewise.
9997 Return true for CALL_EXPRs that are alloca calls.
9998 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9999 against zero.
10000 * tree-flow.h (expr_computes_nonzero): Remove.
10001 * tree-vrp.c (expr_computes_nonzero): Remove.
10002 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10003 (extract_range_from_unary_expr): Likewise.
10004 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10005 tree_expr_nonzero_p.
10007 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
10009 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10010 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
10011 extra arg "picreg" and use it instead of pic_offset_table_rtx.
10012 All callers changed.
10013 (frame_related_constant_load): New arg "related" which controls
10014 setting of RTX_FRAME_RELATED_P. All callers changed.
10015 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10016 (bfin_expand_prologue): Add stack limit checking.
10017 * config/bfin/bfin.md (trapifcc): New pattern.
10019 * config/bfin/bfin.c: Include "langhooks.h".
10020 (def_builtin): Go through lang_hooks to call builtin_function.
10022 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10023 * config/bfin/predicates.md (symbol_ref_operand): New.
10024 (call_insn_operand): Delete. All callers changed to use
10025 register_no_elim_operand.
10026 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10027 call_cookie field.
10028 (function_arg): Use it to generate the call's operand 2.
10029 (bfin_longcall_p): New function.
10030 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10031 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10032 determine if the address needs to be in a REG.
10033 (bfin_handle_longcall_attribute): New function.
10034 (bfin_attribute_table): Add "longcall" and "shortcall".
10035 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10036 (CUMULATIVE_ARGS): New member call_cookie.
10037 (PREDICATE_CODES): Add symbol_ref_operand.
10038 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10039 extra USE to the pattern.
10040 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10041 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10042 sibcall_value_insn; now the new patterns handle direct calls and the
10043 old ones indirect calls.
10044 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10046 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10048 * doc/trouble.texi: Update section on handling of empty loops.
10050 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10052 * config.gcc: Remove support for sparc-*-openbsd*,
10053 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10054 ns32k-*-netbsd*.
10055 * config.host: Remove support for i860-*-sysv4* as a host.
10056 * config/i860/*, config/ip2k/*, config/ns32k/*,
10057 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10058 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10059 mention obsolete ports.
10061 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10063 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10064 soft frame pointer.
10065 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10066 of frame_pointer_rtx.
10067 (sh_expand_epilogue): Likewise.
10068 (sh_set_return_address): Likewise.
10069 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10070 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10071 offsets from FRAME_POINTER_REGNUM.
10072 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10073 (sh_register_names): Add initializer for sfp.
10074 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10075 (VALID_REGISTER_P): Likewise.
10076 (FIRST_PSEUDO_REGISTER): Update.
10077 (DWARF_FRAME_REGISTERS): Define.
10078 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10079 (HARD_FRAME_POINTER_REGNUM): Define.
10080 (FRAME_POINTER_REGNUM): Redefine.
10081 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10082 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10083 from FRAME_POINTER_REGNUM.
10084 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10085 FRAME_POINTER_REGNUM.
10086 (REG_CLASS_CONTENTS): Add sfp.
10087 (REG_ALLOC_ORDER): Likewise.
10088 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10089 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10090 of frame_pointer_rtx.
10091 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10093 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10095 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10096 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10097 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10098 of an ABS_EXPR.
10099 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10100 ABS_EXPR<x>.
10102 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10104 Make CONSTRUCTOR use VEC to store initializers.
10105 * c-common.c (complete_array_type): Update to cope with VEC in
10106 CONSTRUCTOR_ELTS.
10107 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10108 (pp_c_constructor_elts): New function.
10109 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10110 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10111 struct constructor_stack, struct initializer_stack,
10112 constructor_elements, push_init_level, pop_init_level,
10113 add_pending_init, find_init_member, output_init_element): Update to
10114 cope with VEC in CONSTRUCTOR_ELTS.
10115 * coverage.c (build_fn_info_value, build_ctr_info_value,
10116 build_gcov_info): Likewise.
10117 * expr.c (categorize_ctor_elements_1, store_constructor,
10118 expand_expr_real_1): Likewise.
10119 * fold-const.c (fold_ternary): Likewise.
10120 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10121 gimplify_init_constructor, gimplify_expr): Likewise.
10122 * tree-dump.c (dequeue_and_dump): Likewise.
10123 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10124 node.
10125 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10126 CONSTRUCTOR_ELTS.
10127 * tree-sra.c (generate_element_init_1): Likewise.
10128 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10129 * tree-ssa-operands.c (get_expr_operands): Likewise.
10130 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10131 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10132 (get_initial_def_for_reduction): Likewise.
10133 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10134 value handle in annotations.
10135 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10136 tree_node_structure): Add support for constr_kind.
10137 (build_vector_from_ctor, build_constructor_single,
10138 build_constructor_from_list): New functions.
10139 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10140 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10141 Update to cope with VEC in CONSTRUCTOR_ELTS.
10142 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10143 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10144 CONSTRUCTOR_APPEND_ELT): New macros.
10145 (struct constructor_elt, struct tree_constructor): New data types.
10146 (union tree_node): Add tree_constructor field.
10147 * treestruct.def: Define TS_CONSTRUCTOR.
10148 * varasm.c (const_hash_1, compare_constant, copy_constant,
10149 compute_reloc_for_constant, output_addressed_constants,
10150 initializer_constant_valid_p, output_constant,
10151 array_size_for_constructor, output_constructor): Update to cope with
10152 VEC in CONSTRUCTOR_ELTS.
10153 * vec.h (VEC_empty, VEC_copy): New macros.
10155 2005-07-19 Devang Patel <dpatel@apple.com>
10157 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10159 2005-07-19 Richard Henderson <rth@redhat.com>
10161 PR tree-opt/22278
10162 * gimplify.c (gimplify_expr): Use main variant type for the temp
10163 destination for a discarded volatile read.
10164 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10165 casts between non-void types that change volatility.
10167 2005-07-15 DJ Delorie <dj@redhat.com>
10169 * toplev.h: Add comment about the first parameter for warning().
10170 * errors.h: Likewise.
10172 * c.opt (Wpragmas): New.
10173 * doc/invoke.texi: Document it.
10175 * function.c (do_warn_unused_parameter): Add warning control to
10176 warning call.
10177 * c-decl.c (warn_if_shadowing): Likewise.
10178 * c-lex.c (cb_def_pragma): Likewise.
10179 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10180 (pop_alignment): Likewise.
10181 (handle_pragma_pack): Likewise.
10182 (apply_pragma_weak): Likewise.
10183 (handle_pragma_weak): Likewise.
10184 (handle_pragma_redefine_extname): Likewise.
10185 (add_to_renaming_pragma_list): Likewise.
10186 (handle_pragma_extern_prefix): Likewise.
10187 (maybe_apply_renaming_pragma): Likewise.
10188 (handle_pragma_visibility): Likewise.
10190 * config/c4x/c4x-c.c (BAD): Likewise.
10191 (c4x_parse_pragma): Likewise.
10192 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10193 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10194 (rs6000_pragma_longcall): Likewise.
10195 * config/v850/v850-c.c (pop_data_area): Likewise.
10196 (ghs_pragma_section): Likewise.
10197 (ghs_pragma_section): Likewise.
10198 (ghs_pragma_interrupt): Likewise.
10199 (ghs_pragma_starttda): Likewise.
10200 (ghs_pragma_startsda): Likewise.
10201 (ghs_pragma_startzda): Likewise.
10202 (ghs_pragma_endtda): Likewise.
10203 (ghs_pragma_endsda): Likewise.
10204 (ghs_pragma_endzda): Likewise.
10206 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10207 Kenneth Zadeck <zadeck@naturalbridge.com>
10209 * Makefile.in: Removed tree-promote-statics.c
10210 * tree-promote-statics.c: Removed.
10211 * common.opt: Removed flag-promote-statics.
10212 * opts.c: Ditto.
10213 * passes.c: Removed tree-promote-statics pass.
10214 * tree-pass.h: Ditto.
10215 * timevar.def: Removed TV_PROMOTE_STATICS.
10218 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10220 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10221 and *-*-freebsd9.
10222 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10224 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10226 PR c/22476
10227 * c-common.c (check_function_arguments): Call
10228 'check_function_format' if either -Wformat or
10229 -Wmissing-format-attribute are specified.
10230 * c-format.c (check_function_format): Check -Wformat before
10231 calling 'check_format_info'.
10232 * c-opts.c (c_common_post_options): Don't warn for
10233 -Wmissing-format-attribute without -Wformat.
10234 * c-typeck.c (convert_for_assignment): Detect additional cases for
10235 -Wmissing-format-attribute.
10236 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10237 behavior.
10239 2005-07-19 Richard Guenther <rguenther@suse.de>
10241 * config/i386/i386.md (lrint<mode>2): Use temporary
10242 instead of clobbering non-existent memory.
10244 2005-07-19 Nick Clifton <nickc@redhat.com>
10246 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10247 statement to avoid displaying ASCII control characters.
10249 2005-07-19 Ben Elliston <bje@au.ibm.com>
10251 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10252 * cfganal.c (find_edge_index): Ditto.
10253 * combine.c (combine_instructions): Ditto.
10254 * ddg.c (create_scc): Ditto.
10255 (find_successors): Ditto.
10256 (find_predecessors): Ditto.
10257 (find_nodes_on_paths): Ditto.
10258 (longest_simple_path): Ditto.
10259 * flow.c (update_life_info): Ditto.
10260 (count_or_remove_death_notes): Ditto.
10261 (clear_log_links): Ditto.
10262 * modulo-sched.c (generate_reg_moves): Ditto.
10263 (find_max_asap): Ditto.
10264 (find_max_hv_min_mob): Ditto.
10265 (find_max_dv_min_mob): Ditto.
10266 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10267 * sched-rgn.c (extract_edgelst): Ditto.
10268 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10269 (dump_update_ssa): Ditto.
10270 (ssa_names_to_replace) Ditto.
10271 (switch_virtuals_to_full_rewrite): Ditto.
10272 (update_ssa): Ditto.
10273 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10275 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10277 Fix PR tree-optimization/22483
10279 * tree-complex.c (create_components): Use
10280 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10281 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10282 * tree-flow.h (safe_referenced_var_iterator): New structure.
10283 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10284 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10285 safe_referenced_var iterator.
10286 (add_type_alias): Ditto.
10288 2005-07-19 Steven Bosscher <stevenb@suse.de>
10290 * loop-init.c (rest_of_handle_loop2): Remove.
10291 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10292 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10293 (pass_rtl_loop_init, pass_rtl_loop_done,
10294 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10295 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10296 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10297 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10298 pass_tree_loop_done, and pass_tree_unswitch.
10299 (gate_loop): Rename to gate_tree_loop.
10300 * passes.c (init_optimization_passes): Update for renamed tree
10301 loop passes. Add the new loop2 passes as subpasses of loop2.
10302 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10303 Update for the renamed tree loop passes.
10305 2005-07-18 Ian Lance Taylor <ian@airs.com>
10307 PR middle-end/22057
10308 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10309 blocks when optimizing.
10311 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10313 * common.opt (frename-registers): Initialize to 2.
10314 (fweb): Ditto.
10315 (fgcse-after-reload): Ditto.
10316 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10317 (process_options): Only change flag_web, flag_rename_registers,
10318 and flag_rerun_cse_after_loop if not explicitly set by user.
10320 2005-07-18 Jan Beulich <jbeulich@novell.com>
10322 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10323 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10324 in 64-bit mode the same as DImode in 32-bit mode.
10325 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10326 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10327 mode. Add new mode parameter.
10328 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10329 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10330 x86_64_shift_adj): New expanders.
10331 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10332 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10333 insns.
10334 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10335 DImode shift splitters.
10336 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10337 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10338 mode parameter.
10340 2005-07-18 Jan Beulich <jbeulich@novell.com>
10342 * i386.md (movdi_extzv_1): New.
10343 (zero_extendhidi2): Combine alternatives and never force use of
10344 REX64 prefix.
10345 (zero_extendqidi2): Likewise. Don't restrict input selection.
10347 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10349 Fix PR tree-optimization/22531
10350 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10351 moment.
10353 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10355 * tree-promote-statics.c (pass_promote_statics): Change dump file
10356 name.
10358 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10360 * tree-optimize.c (init_tree_optimization_passes): Add
10361 pass_eliminate_useless_stores pass.
10362 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10363 * tree-ssa-pre.c (is_copy_stmt): New function.
10364 (follow_copies_till_vuse): Ditto.
10365 (do_eustores): Ditto.
10366 (gate_eustores): Ditto.
10368 2005-07-16 Richard Henderson <rth@redhat.com>
10370 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10372 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10373 Kenneth Zadeck <zadeck@naturalbridge.com>
10375 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10376 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10377 ipa-type-escape.h, tree-promote-statics.c
10378 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10379 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10380 tree-promote-statics.c: new files.
10381 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10382 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10383 int nonlocal_set_p, mark_constant_function): Deleted.
10384 (rest_of_handle_cfg): Removed call to mark_constant_function.
10385 (nonoverlapping_component_refs_p): Added calls to support
10386 type based aliasing.
10387 * tree-ssa-alias.c (may_alias_p,
10388 compute_flow_insensitive_aliasing): Ditto.
10389 * calls.c (flags_from_decl_or_type): Removed reference to
10390 cgraph_rtl_info.
10391 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10392 too many arguments. This is necessary for Spec 2000.
10393 * cgraph.h (const_function, pure_function): Removed.
10394 * common.opt: Added "fipa-pure-const", "fipa-reference",
10395 "fipa-type-escape", and "ftree-promote-static".
10396 * opts.c: Ditto.
10397 * passes.c: Added ipa and tree-promote-statics passes.
10398 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10399 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10400 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10401 * tree-flow.h: Added exposed sra calls and addition of
10402 reference_vars_info field for FUNCTION_DECLS.
10403 * tree-pass.h: Added passes.
10404 * tree-sra.c: (sra_init_cache): New function.
10405 (sra_insert_before, sra_insert_after) Made public.
10406 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10407 and made public.
10408 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10409 aliasing. (may_alias_p): Added code to use type escape analysis to
10410 improve alias sets.
10411 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10412 code to prune clobbers of static variables based on information
10413 produced in ipa-reference pass. Changed call clobbering so that
10414 statics are not marked as clobbered if the call does not clobber
10415 them.
10417 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
10419 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10420 too.
10422 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10424 * doc/install.texi (*-*-solaris2*): Document recommended version
10425 of GNU binutils and mention GNU linker problem on Solaris 10.
10427 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
10429 PR c/22421
10430 * c-decl.c (c_build_bitfield_integer_type): New function.
10431 (finish_struct): Call it.
10432 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10434 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10436 * c-typeck.c (digest_init): Call 'convert_for_assignment'
10437 before returning.
10439 2005-07-16 Jan Hubicka <jh@suse.cz>
10441 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10442 (scale_bbs_frequencies_int): Watch roundoff errors.
10443 * predict.c (return_prediction): Initialize return_stmt.
10445 2005-07-16 Jan Hubicka <jh@suse.cz>
10447 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10448 after RTL profiling.
10450 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
10452 PR middle-end/22398
10453 * fold-const.c (build_range_check): Convert high/low to etype
10454 if we are only comparing against exp.
10456 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
10458 Fix PR tree-optimization/22376
10459 * tree-ssa-structalias.c (build_constraint_graph): We really meant
10460 special var here.
10461 (need_to_solve): New function.
10462 (compute_points_to_sets): Use it.
10464 2005-07-15 Jan Hubicka <jh@suse.cz>
10466 * cfg.c (update_bb_profile_for_threading): More diagnostic.
10467 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10469 2005-07-15 Richard Guenther <rguenther@suse.de>
10471 * c-common.c (handle_flatten_attribute): New function.
10472 Add flatten function attribute.
10473 * doc/extend.texi: Document flatten function attribute.
10474 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10475 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10476 New functions.
10477 (cgraph_decide_inlining): Handle functions with flatten
10478 attribute.
10480 2005-07-14 David Edelsohn <edelsohn@gnu.org>
10482 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10483 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10484 UNSPEC_XCHG, UNSPEC_AND): New.
10485 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10486 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10487 * config/rs6000/sync.md (FETCHOP): New code macro.
10488 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10489 New code attrs.
10490 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10491 (sync_compare_and_swap<mode>): Same.
10492 (sync_lock_test_and_set<mode>): Same.
10493 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10494 for QImode and HImode, and not PPC405.
10495 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10496 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10497 (sync_<fetchop>{si,di}_internal): New.
10498 (sync_nand{si,di}_internal): New.
10499 (sync_old_<fetchop>{si,di}_internal): New.
10500 (sync_old_nand{si,di}_internal): New
10501 (sync_new_<fetchop>{si,di}_internal): New.
10502 (sync_new_nand{si,di}_internal): New.
10503 (atomic_and{si,di}): New.
10504 (sync_new_nand{si,di}_internal): New.
10505 (atomic_and{si,di}): New.
10506 (sync_add<mode>_internal): Delete.
10507 (sync_addshort_internal): Use unspec instead of unspec_volatile.
10508 (sync_sub<mode>_internal): Delte.
10509 (sync_subshort_internal): New.
10510 (sync_andsi_internal): Use unspec instead of unspec_volatile.
10511 (sync_anddi_internal): Delete.
10512 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10513 (sync_booldi_internal): Delete.
10514 (sync_boolc<mode>_internal): Delete.
10515 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10516 (sync_boolc<mode>_internal2): Delete.
10517 (sync_boolcc<mode>_internal): Delete.
10518 (isync, lwsync): Use unspec instead of unspec_volatile.
10519 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10520 Revert UNSPEC_VOLATILE.
10521 (rs6000_split_atomic_op): New.
10522 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10524 2005-07-14 Eric Christopher <echristo@redhat.com>
10526 * config/mips/mips.c (mips_canonicalize_comparison): Cast
10527 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10529 2005-07-14 Eric Christopher <echristo@redhat.com>
10531 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10533 2005-07-14 Steven Bosscher <stevenb@suse.de>
10535 PR tree-optimization/22230
10536 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10537 the computation of the four cross productions for "range op range".
10539 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
10540 Ulrich Weigand <uweigand@de.ibm.com>
10542 PR target/20126
10543 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10544 in some insn.
10546 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10548 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10550 2005-07-14 Steve Ellcey <sje@cup.hp.com>
10552 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10554 2005-07-14 Richard Guenther <rguenther@suse.de>
10556 PR middle-end/22347
10557 * config/i386/i386-protos.h (ix86_function_value): Change
10558 prototype to match new target hook.
10559 * config/i386/i386.c (ix86_value_regno): Change prototype
10560 to take extra type argument.
10561 (TARGET_FUNCTION_VALUE): Define.
10562 (ix86_function_ok_for_sibcall): Pass extra argument to
10563 ix86_value_regno, check return slot rtx for exact match.
10564 (ix86_function_value): Take extra parameter. Dispatch to
10565 ix86_value_regno with fndecl/fntype as provided.
10566 (ix86_value_regno): Handle extra type argument.
10567 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10569 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10570 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10571 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10572 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10573 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10575 2005-07-14 Richard Guenther <rguenther@suse.de>
10577 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10578 * calls.c (expand_call): Pass fntype to hard_function_value.
10579 (emit_library_call_value_1): Likewise.
10580 * explow.c: Include target.h.
10581 (hard_function_value): Take extra argument, the fntype.
10582 Use new target hook for function_value.
10583 * expr.h (hard_function_value): Change prototype.
10584 * function.c (aggregate_value_p): Pass 0 as fntype to
10585 hard_function_value.
10586 (assign_parms): Use new target hook for function_value.
10587 Pass 0 as fntype to hard_function_value.
10588 (expand_function_end): Likewise.
10589 * reg-stack.c: Include target.h.
10590 (stack_result): Use new target hook for function_value.
10591 * target-def.h: New target hook function_value.
10592 * target.h: Likewise.
10593 * targhooks.c (default_function_value): New function.
10594 * targhooks.h (default_function_value): Declare.
10596 2005-07-13 Ian Lance Taylor <ian@airs.com>
10598 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10600 2005-07-14 Jan Hubicka <jh@suse.cz>
10602 * tree-dfa.c (dump_variable): Use default_def function.
10603 * tree-ssa-alias.c (dump_points_to_info): Likewise.
10604 * tree-ssa.c (verify_use): Likewise.
10605 * tree-ssanames.c (release_ssa_name): Likewise.
10606 * tree-tailcall.c (eliminate_tail_call): Likewise.
10607 (tree_optimize_tail_calls_1): Likewise.
10608 * tree-vrp.c (get_value_range): Likewise.
10610 2005-07-14 Ben Elliston <bje@au.ibm.com>
10612 * gcc.c (main): Compare language[0] with '*' when iterating over
10613 the infiles.
10615 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10617 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10618 "s390_emit_compare". Add handling of CCZ1mode.
10619 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10620 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10621 checking.
10622 (s390_branch_condition_mask): Add CCZ1mode handling.
10623 * config/s390/s390.md: ("seq", "*seq"): New pattern.
10624 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10625 Use CCZ1mode instead of CCZmode.
10626 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
10628 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10630 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10631 pattern.
10632 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10634 2005-07-13 Eric Christopher <echristo@redhat.com>
10636 * config/mips/mips.c (mips_canonicalize_comparison): New.
10637 (mips_emit_int_relational): Use.
10639 2005-07-13 Eric Christopher <echristo@redhat.com>
10641 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10642 static extra parts.
10643 * config/s390/s390.md: Include tpf.md. Move tpf specific
10644 patterns...
10645 * config/s390/tpf.md: To here.
10646 * config/s390/s390.opt: Move tpf specific options...
10647 * config/s390/tpf.opt: to here. Add mmain option.
10648 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10649 * config/s390/tpf.h: Rewrite.
10651 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10653 * doc/tm.texi: Remove @xref{Cross-profiling}.
10655 2005-07-13 Jeff Law <law@redhat.com>
10657 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10658 expressions, test their _DECL operands for pointer equality rather
10659 than using operand_equal_p.
10661 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10663 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10664 (TARGET_POSIX_IO): This.
10665 * config/darwin.h: Likewise.
10666 * config/freebsd.h: Likewise.
10667 * config/linux.h: Likewise.
10668 * config/lynx.h: Likewise.
10669 * config/netbsd.h: Likewise.
10670 * config/rs6000/linux64.h: Likewise.
10671 * config/rs6000/linux.h: Likewise.
10672 * config/s390/tpf.h: Likewise.
10673 * config/sh/embed-elf.h: Likewise.
10674 * config/sparc/linux64.h: Likewise.
10675 * config/sparc/linux.h: Likewise.
10676 * config/svr4.h: Likewise.
10677 * gcov-io.h: Likewise.
10679 * doc/tm.texi: Updated.
10681 * libgcov.c (create_file_directory): Defined only if
10682 TARGET_POSIX_IO is defined.
10683 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10684 is defined.
10686 2005-07-13 Jan Hubicka <jh@suse.cz>
10688 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10690 2005-07-13 David Edelsohn <edelsohn@gnu.org>
10692 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10693 structure as argument.
10695 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
10697 PR tree-optimization/21921
10698 * tree-iterator.c (tsi_link_before): Support the case when
10699 tsi_end_p (tsi) == true.
10701 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10703 PR tree-optimization/22442
10704 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10705 correctly.
10707 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10709 PR rtl-optimization/20376
10710 * toplev.c (process_options): Enable -fweb and -frename-registers when
10711 unrolling.
10712 * doc/invoke.texi: Update the information about when -fweb and
10713 -frename-registers are enabled.
10715 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10717 PR tree-opt/21840
10718 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10719 if *rhs_p is not a SSA_NAME.
10721 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
10723 Fix PR tree-optimization/22422
10724 * tree-ssa-structalias.c (struct variable_info): Add flag for
10725 special vars.
10726 (get_varinfo): Now a static function.
10727 (new_varinfo): init has_union and is_special_var to false.
10728 (solution_set_add): Check has_union.
10729 (do_da_constraint): Move temporary variable so it gets reset
10730 properly.
10731 Also check for special variable.
10732 (do_ds_constraint): Ditto.
10733 (do_sd_constraint): Ditto.
10734 (do_structure_copy): Check for special variable.
10735 (find_func_aliases): Ditto.
10736 (init_base_vars): Set special vars properly.
10738 2005-07-13 Jan Hubicka <jh@suse.cz>
10740 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10741 do unit-at-a-time.
10743 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10744 (get_expr_operands): Fix thinko wrt flags and subvars.
10746 PR tree-optimize/22379
10747 * tree-inline.c (expand_call_inline): Do not output sorry in early
10748 inlining.
10750 2005-07-12 Dale Johannesen <dalej@apple.com>
10752 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
10754 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10756 PR bootstrap/21704
10757 * host-linux.h: Include limits.h.
10759 2005-07-12 Dale Johannesen <dalej@apple.com>
10761 * expr.c (compress_float_constant): Add cost check.
10762 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
10764 2005-07-12 Dale Johannesen <dalej@apple.com>
10766 * gcc.target/i386/compress-float-sse.c: New.
10767 * gcc.target/i386/compress-float-sse-pic.c: New.
10768 * gcc.target/i386/compress-float-387.c: New.
10769 * gcc.target/i386/compress-float-387-pic.c: New.
10770 * gcc.dg/compress-float-ppc.c: New.
10771 * gcc.dg/compress-float-ppc-pic.c: New.
10773 2005-07-12 Eric Christopher <echristo@redhat.com>
10775 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10776 static extra parts.
10777 * config/s390/s390.md: Include tpf.md. Move tpf specific
10778 patterns...
10779 * config/s390/tpf.md: To here.
10780 * config/s390/s390.opt: Move tpf specific options...
10781 * config/s390/tpf.opt: to here. Add mmain option.
10782 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10783 * config/s390/tpf.h: Rewrite.
10785 2005-07-12 Eric Christopher <echristo@redhat.com>
10787 * gcc.c (struct infile): Update comment for language.
10788 (main): Rewrite input file resetting code.
10790 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10792 PR tree-opt/22335
10793 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10794 requiring a cast in a non RHS of modify_expr. Add a cast when required.
10795 (lookup_avail_expr): Use constant_boolean_node instead
10796 of boolean_false_node/boolean_true_node.
10798 2005-07-12 Ben Elliston <bje@au.ibm.com>
10800 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10801 and use it when printing num_edges.
10803 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
10805 * doc/extend.texi (Blackfin Built-in Functions): New section.
10806 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10807 @opindex.
10809 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
10811 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10812 s/cmpstrsi/cmpstrnsi
10813 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10814 'cmpstrnsi'.
10815 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10816 (init_optabs): Initialize cmpstrn_optab.
10817 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10818 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10819 * expr.c: (enum insn_code cmpstrn_optab): Declare.
10820 * config/i386/i386.md: s/cmpstr/cmpstrn
10821 * config/c4x/c4x.md: s/cmpstr/cmpstrn
10822 * doc/md.texi: Update documentation.
10824 2005-07-11 Richard Henderson <rth@redhat.com>
10826 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10827 build_va_arg_indirect_ref.
10828 (alpha_gimplify_va_arg): Likewise.
10829 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10830 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10831 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10832 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10833 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10834 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10835 Likewise.
10836 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10838 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10840 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10841 * passes.c (init_optimization_passes): Add pass_empty_loop.
10842 * tree-pass.h (pass_empty_loop): Declare.
10843 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10844 try_remove_empty_loop, remove_empty_loops): New functions.
10845 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10846 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10848 2005-07-12 Peter Barada <peter@the-baradas.com>
10850 PR middle-end/16719
10851 PR middle-end/18421
10852 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10853 in address registers.
10854 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10855 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10856 alternative of addsi3_5200.
10858 2005-07-11 Ian Lance Taylor <ian@airs.com>
10860 * config/mips/mips.md (ffs<mode>2): Remove.
10862 2005-07-11 Ian Lance Taylor <ian@airs.com>
10864 * doc/tree-ssa.texi (Cleanups): Improve description of
10865 TRY_FINALLY_EXPR.
10866 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10868 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10870 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10871 * tree.h (DECL_ARGUMENT_FLD): New macro.
10873 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10875 Fix PR tree-optimization/22404
10877 * tree-ssa-structalias.c (create_variable_info_for): Use
10878 correct offset.
10880 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
10882 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10883 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10884 for second comparison operand.
10885 * config/bfin/predicates.md (reg_or_const_int_operand): New.
10887 * config/bfin/bfin.md (define_attr "type"): Add "sync".
10888 (define_insn_reservation "alu"): Likewise.
10889 (csync, ssync): Now of type sync.
10890 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10891 -mcsync-anomaly -mspecld-anomaly.
10892 * config/bfin/bfin.opt (mcsync): Remove.
10893 (mcsync-anomaly, mspecld-anomaly): Add.
10894 * config/bfin/bfin.c: Include "insn-codes.h".
10895 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10896 (TARGET_DEFAULT_TARGET_FLAGS): New.
10897 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10899 2005-07-11 Steven Bosscher <stevenb@suse.de>
10901 * basic-block.h: Give the BB flags enum a name, bb_flags.
10902 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10903 * cfgcleanup.c (enum bb_flags): Remove here.
10904 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10905 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10906 (update_forwarder_flag): Likewise.
10907 (thread_jump): Likewise.
10908 (try_forward_edges): Likewise.
10909 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
10910 forwarder flags. Don't clear bb->aux for all basic blocks. Only
10911 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10913 2005-07-11 Richard Guenther <rguenther@suse.de>
10915 * config/i386/i386.opt: New target option -msseregparm.
10916 * config/i386/i386.c (override_options): Error out for
10917 -msseregparm but no SSE support.
10918 (ix86_function_sseregparm): Check for global sseregparm.
10919 * doc/invoke.texi: Document -msseregparm.
10921 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10923 * config.gcc (m32r-*-linux*): Use the default extra_parts.
10924 (m32rle-*-linux*): Ditto.
10926 2005-07-11 Jakub Jelinek <jakub@redhat.com>
10928 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10929 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10930 bytes.
10932 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10934 PR middle-end/22239
10935 PR target/20126
10936 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10937 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10939 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
10941 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10942 (varmap): Heapify varmap.
10943 (constraints): Heapify constraints.
10944 (struct constraint_graph): Heapify succs and preds.
10945 (constraint_vec_find): Update for heapification.
10946 (constraint_set_union): Ditto.
10947 (insert_into_complex): Ditto.
10948 (constraint_edge_vec_find): Ditto.
10949 (erase_graph_self_edge): Ditto.
10950 (add_graph_edge): Ditto.
10951 (get_graph_weights): Ditto.
10952 (merge_graph_nodes): Ditto.
10953 (build_constraint_graph): Ditto.
10954 (topo_visit): Ditto.
10955 (solve_graph): Ditto.
10956 (create_variable_info_for): Ditto.
10957 (init_base_vars): Ditto.
10958 (delete_points_to_sets): Free graph, varmap, and complex constraints.
10959 (condese_varmap_nodes): Free complex vector.
10960 (clear_edges_for_node): Clear succs and preds vector.
10962 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10964 * tree-ssa-structalias.c (update_alias_info): Change counting of
10965 references to not include vdefs.
10967 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10969 * tree-ssa-alias.c (free_used_part_map): Add missing free.
10970 (up_insert): Ditto.
10972 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10974 * pa.c (pa_commutative_p): Make PLUS commutative when
10975 TARGET_NO_SPACE_REGS is true.
10977 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10979 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10980 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10981 * tree-dfa.c (dump_subvars_for): New.
10982 (debug_subvars_for): New.
10983 (dump_variable): Show subvariables if VAR has them.
10984 * tree-flow-inline.h (get_subvar_at): New.
10985 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10986 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10987 Update all users.
10988 (struct subvar): Change fields offset and size to unsigned
10989 HOST_WIDE_INT.
10990 (dump_subvars_for): Declare.
10991 (debug_subvars_for): Declare.
10992 (get_subvar_at): Declare.
10993 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10994 to unsigned HOST_WIDE_INT *.
10995 (overlap_subvar): Likewise.
10996 * tree-gimple.c (is_gimple_reg): Always return false for
10997 SFTs and memory tags.
10998 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10999 Update all callers.
11000 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11001 (compute_may_aliases): Call compute_points_to_sets.
11002 (collect_points_to_info_for): Remove.
11003 (compute_points_to_and_addr_escape): Remove.
11004 (delete_alias_info): Call delete_points_to_sets.
11005 (compute_flow_sensitive_aliasing): If the call to
11006 find_what_p_points_to returns false, call set_pt_anything.
11007 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11008 (set_pt_anything): Clear pi->pt_vars.
11009 (set_pt_malloc): Remove.
11010 (merge_pointed_to_info): Remove.
11011 (add_pointed_to_expr): Remove.
11012 (add_pointed_to_var): Remove.
11013 (collect_points_to_info_r): Remove.
11014 (is_escape_site): Make extern.
11015 (create_sft): New.
11016 (create_overlap_variables_for): Call it.
11017 * tree-ssa-copy.c (merge_alias_info): Never merge
11018 flow-sensitive alias information.
11019 * tree-ssa-operands.c (get_expr_operands): Adjust variables
11020 offset and size to be unsigned HOST_WIDE_INT.
11021 (add_to_addressable_set): Rename from note_addressable.
11022 Set TREE_ADDRESSABLE as the variables are added to the set.
11023 Update all users.
11024 (add_stmt_operand): Do not try to micro-optimize unmodifiable
11025 operands into VUSEs when adding V_MAY_DEFs for members in an
11026 alias set.
11027 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11028 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11029 (struct variable_info): Add bitfield is_heap_var.
11030 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11031 (new_var_info): Initialize is_heap_var.
11032 (get_constraint_for): Add HEAP variables to the symbol table.
11033 Mark them with is_heap_var.
11034 (update_alias_info): New. Taken mostly from the old
11035 compute_points_to_and_addr_escape.
11036 (handle_ptr_arith): New.
11037 (find_func_aliases): Call update_alias_info.
11038 Call handle_ptr_info for tcc_binary expressions.
11039 Call mark_stmt_modified.
11040 (create_variable_info_for): If DECL has subvars, do not create
11041 variables for its subvars. Always add all the fields.
11042 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11043 SFTs, then add all the SFTs of the structure.
11044 If VI->DECL is an aggregate with subvariables, add the SFT at
11045 VI->OFFSET.
11046 (find_what_p_points_to): If VI is an artificial variable,
11047 translate to bitfields in SSA_NAME_PTR_INFO.
11048 If the solution is empty, set pi->pt_vars to NULL
11049 (init_base_vars): Create ANYOFFSET.
11050 (compute_points_to_sets): Rename from create_alias_vars.
11051 Make extern.
11052 (pass_build_pta): Remove.
11053 (delete_points_to_sets): Rename from delete_alias_vars.
11054 (pass_del_pta): Remove.
11055 * tree-ssa-structalias.h (struct alias_info): Move from
11056 tree-ssa-alias.h.
11057 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11058 NUM_REFERENCES_SET): Likewise.
11059 (compute_points_to_sets, delete_points_to_sets): Declare.
11061 2005-07-09 Richard Henderson <rth@redhat.com>
11063 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11064 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11065 alpha_split_lock_test_and_set_12): New functions.
11066 * config/alpha/alpha-protos.h: Update.
11067 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11068 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11069 * config/alpha/sync.md (I12MODE): New.
11070 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11071 (sync_<fetchop_name><I48MODE>): Likewise.
11072 (sync_nand<I48MODE>): Likewise.
11073 (sync_old_<fetchop_name><I48MODE>): Likewise.
11074 (sync_new_<fetchop_name><I48MODE>): Likewise.
11075 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11076 (sync_compare_and_swap<I48MODE>): Likewise.
11077 (sync_lock_test_and_set<I48MODE>): Likewise.
11078 (sync_compare_and_swap<I12MODE>): New.
11079 (sync_compare_and_swap<I12MODE>_1): New.
11080 (sync_lock_test_and_set<I12MODE>): New.
11081 (sync_lock_test_and_set<I12MODE>_1): New.
11083 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11085 PR 21356
11086 PR 22332
11087 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11089 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11091 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11092 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11094 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11096 PR target/21656
11097 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11099 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11101 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11102 memory_operand constraint.
11103 (store_conditional_<mode>): Same.
11104 (sync_compare_and_swap<mode>): Same.
11105 (sync_lock_test_and_set<mode>): Same.
11107 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11109 Rewrite PIC support to more closely model actual instructions.
11110 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11111 (cris_symbol): Remove prototypes for removed functions.
11112 (cris_pic_symbol_type_of, cris_valid_pic_const)
11113 (cris_expand_pic_call_address): Prototypes for new functions.
11114 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11115 variable.
11116 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11117 modifiers.
11118 <case ':'>: Add case for new punctuation character.
11119 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11120 emitting (extra) PIC modifier.
11121 <case UNSPEC>: Do not assert for PLT.
11122 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11123 (cris_expand_prologue, cris_expand_epilogue): Check
11124 for pic_offset_table_rtx usage instead of taking
11125 current_function_uses_pic_offset_table as the final word.
11126 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11127 Remove flag_pic difference.
11128 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11129 the moral equivalents of...
11130 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11131 functions.
11132 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11133 (cris_handle_option): Mark ARG as unused.
11134 (cris_expand_pic_call_address): New worker function for "call",
11135 "call_value".
11136 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11137 output PIC constructs here.
11138 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11139 as symbol-specific modifers, not whole or part of operands.
11140 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11141 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11142 constants and flag_pic.
11143 (CONSTANT_INDEX_P): Adjust for new functions.
11144 (enum cris_pic_symbol_type): New helper type.
11145 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11146 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11147 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11148 define_constants.
11149 ("movsi"): Emit actual instructions for GOT and relative access.
11150 ("*movsi_got_load"): New pattern to set up the register holding
11151 the GOT pointer.
11152 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11153 Adjust FIXME for 'S'.
11154 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11155 Use "movs" for -fpic cases.
11156 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11157 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11158 ("call", "call_value"): Just call cris_expand_pic_call_address for
11159 PIC addresses.
11160 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11161 Remove special pattern.
11162 ("*expanded_call_side", "*expanded_call_value_side"): New
11163 patterns.
11164 (gotplt-to-plt, gotplt-to-plt-side-call)
11165 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11166 peephole2:s.
11167 * config/cris/cris/predicates.md
11168 ("cris_general_operand_or_gotless_symbol"): Remove unused
11169 predicate.
11170 ("cris_general_operand_or_symbol"): Adjust for new functions.
11172 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11174 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11176 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11178 * Makefile.in (TREE_H): Add treestruct.def.
11179 (c-decl.o): Add pointer-set.h
11180 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11181 visibility on regular DECL's.
11182 (merge_decls): Fix the copying of decl nodes of various types for
11183 the new structures. Don't update RTL, section name, weak status,
11184 etc, on DECL's without RTL.
11185 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11186 Don't check volatile on non-variable types.
11187 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11188 to check whether we have seen arguments.
11189 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11190 flag is checked before field (flag is common, field is not).
11191 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11192 TS_DECL_COMMON could have an origin.
11193 (add_location_or_const_value_attribute): Don't check section name
11194 on non-var/function decls.
11195 (dwarf2out_var_location): Reverse order of tests.
11196 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11197 with DECL_WRTL_CHECK.
11198 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11199 * fold-const.c (fold_binary): Don't check weakness on
11200 non-var/function decls.
11201 (tree_expr_nonzero_p): Ditto.
11202 (fold_checksum_tree): Use tree_decl_extra as sizeof
11203 buffer.
11204 * ggc-page.c (extra_order_size_table): Add sizes for
11205 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11206 tree_field_decl.
11207 * gimplify.c (gimplify_bind_expr): Only set
11208 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11209 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11210 without RTL.
11211 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11212 * langhooks.h (init_ts). New langhook.
11213 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11214 * print-tree.c (print_node): Update to only print fields that
11215 exist in the structures the passed decl has.
11216 * toplev.c (wrapup_global_declarations): Don't reset
11217 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11218 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11219 * tree-inline.c (remap_decl): Ditto.
11220 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11221 * tree-pretty-print.c (print_declaration): Don't print
11222 DECL_REGISTER on things that don't contain it.
11223 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11224 non-var/function decls.
11225 * tree.c (tree_contains_struct): New structure.
11226 (init_priority_for_decl): New hashtable.
11227 (tree_int_map): New structure.
11228 (tree_int_map_eq): New function.
11229 (tree_int_map_marked_p): Ditto.
11230 (tree_int_map_hash): Ditto.
11231 (tree_map): Move to tree.h.
11232 (tree_map_eq): Externalize.
11233 (tree_map_hash): Ditto.
11234 (tree_map_marked_p): Ditto.
11235 (init_ttree): Set up tree_contains_struct and call langhook.
11236 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11237 (tree_code_size): Update for new structures.
11238 (tree_node_structure): Update for new structures.
11239 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11240 without the field.
11241 (copy_node_stat): Copy init priority.
11242 (build_decl_stat): Ditto for visibility.
11243 (ts_enum_names): New.
11244 (tree_contains_struct_check_failed): New function.
11245 (decl_init_priority_lookup): Ditto.
11246 (decl_init_priority_insert): Ditto.
11247 * treestruct.def: New file.
11248 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11249 (CONTAINS_STRUCT_CHECK): Ditto.
11250 (tree_contains_struct_check_failed): New prototype.
11251 (DECL_CHECK): Removed.
11252 (DECL_MINIMAL_CHECK): New.
11253 (DECL_COMMON_CHECK): Ditto.
11254 (DECL_WRTL_CHECK): Ditto.
11255 (DECL_NON_COMMON_CHECK): Ditto.
11256 (DECL_WITH_VIS_CHECK): Ditto.
11257 (VAR_OR_FUNCTION_DECL_P): Ditto
11258 (struct tree_decl_minimal): New structure.
11259 (struct tree_decl_common): Ditto.
11260 (struct tree_decl_with_rtl): Ditto.
11261 (struct tree_decl_with_vis): Ditto.
11262 (struct tree_decl_non_common): Ditto.
11263 (struct tree_field_decl): Ditto.
11264 (struct tree_parm_decl): Ditto.
11265 (struct tree_var_decl): Ditto.
11266 (struct tree_function_decl): Ditto.
11267 (struct tree_const_decl): Ditto.
11268 (struct tree_result_decl): Ditto.
11269 (union tree_node): Add new structures.
11270 * var-tracking.c (track_expr_p): Reverse order of tests.
11272 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11274 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11276 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11277 * system.h: Poison FINALIZE_PIC.
11278 * doc/tm.texi (FINALIZE_PIC): Remove.
11280 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11282 PR tree-opt/22329
11283 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11284 to the correct type if we have a MODIFY_EXPR.
11286 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11288 PR tree-optimization/22360
11289 * tree.c (upper_bound_in_type): Fix calculations for casting
11290 to a non-wider signed type and casting a signed value to a
11291 wider unsigned type.
11292 (lower_bound_in_type): Fix calculations for casting to a
11293 non-wider signed type.
11295 PR tree-optimization/20139
11296 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11297 release_defs.
11298 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11299 fold_cond_expr_cond.
11300 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11301 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11303 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11305 PR tree-opt/22356
11306 * tree-complex.c (expand_complex_libcall): Produce
11307 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11309 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11311 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11312 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11313 b" assert and inserted fastpath code for this case.
11314 (bitmap_ior): Removed "a != b" assert.
11316 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11318 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11319 (ENDFILE_SPEC): Likewise.
11320 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11322 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11323 a large stack frame at epilogue.
11325 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11327 * final.c: Include sdbout.h when required.
11329 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11331 * config.gcc (*-*-darwin*): Only one target-specific header file
11332 for generic darwin.
11333 (powerpc-*-darwin*): Add version-specific header files.
11334 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11335 * config.in: Regenerate.
11336 * configure: Regenerate.
11337 * gcc.c: Include xregex.h.
11338 (version_compare_spec_function): New.
11339 (spec_function): Add version-compare.
11340 (replace_outfile_spec_function): Reformat comment.
11341 (compare_version_strings): New.
11342 * config/darwin-c.c (version_as_macro): New.
11343 (builtin_define): New.
11344 (darwin_cpp_builtins): New.
11345 * config/darwin-protos.h (darwin_cpp_builtins): New.
11346 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11347 (LIB_SPEC): Make unconditional, update comment.
11348 (TARGET_C99_FUNCTIONS): Define.
11349 * config/darwin.opt: Sort.
11350 (mmacosx-version-min=): New.
11351 * config/darwin7.h: Delete.
11352 * config/darwin8.h: Delete.
11353 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11354 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11355 (TARGET_C99_FUNCTIONS): Define.
11356 * config/rs6000/darwin7.h: New.
11357 * config/rs6000/darwin8.h: New.
11358 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11359 (-mmacosx-version-min): Document.
11361 2005-07-07 Ian Lance Taylor <ian@airs.com>
11363 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11365 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11367 PR middle-end/22239
11368 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11370 2005-07-07 Khem Raj <kraj@mvista.com>
11372 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11373 in bytes, not words.
11375 2005-07-07 Paul Brook <paul@codesourcery.com>
11377 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11378 DEFAULT_FUNCTION_ARG_PADDING to upward.
11380 2005-07-07 Richard Henderson <rth@redhat.com>
11382 * function.c (locate_and_pad_parm): Record parameter alignment in
11383 stack_alignment_needed.
11385 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11387 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11388 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11389 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11390 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11391 (define_attr "type"): Add isync, sync, load_l, store_c.
11392 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11393 Create scratch volatile MEM.
11394 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11395 sync.
11396 (load_locked_<mode>): New.
11397 (store_conditional_<mode>): New.
11398 (sync_compare_and_swap<mode>): Replace with splitter.
11399 (sync_lock_test_and_set<mode>): Replace with splitter.
11400 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11401 and UNSPECV_ISYNC.
11402 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11403 is ics. Attribute isync.
11404 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11405 lwsync.
11406 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11407 and UNSPECV_SYNC_OP.
11408 (emit_unlikely_jump): New.
11409 (emit_load_locked): New.
11410 (emit_store_conditional): New.
11411 (rs6000_split_compare_and_swap): New.
11412 (rs6000_split_lock_test_and_set): New.
11413 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11414 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11415 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11416 rs6000_split_lock_test_and_set): Declare.
11417 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11418 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11419 store_c, isync, sync.
11421 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
11423 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11424 filenames to gtyp-gen.h.
11425 (s-typ-gen): Use it in place of for loops.
11427 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
11429 * hooks.c (hook_bool_rtx_int_false): New function.
11430 * hooks.h (hook_bool_rtx_int_false): Declare.
11431 * target-def.h (TARGET_COMMUTATIVE_P): Define.
11432 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11433 * target.h (struct gcc_target): Add commutative_p member.
11434 * targhooks.c (hook_bool_rtx_commutative_p): New function.
11435 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11436 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11437 (pa_commutative_p): New function.
11438 * jump.c (target.h): Include.
11439 (rtx_renumbered_equal_p): Use targetm.commutative_p.
11440 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11442 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11444 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11445 (s390_expand_setmem): New.
11446 * config/s390/s390.c: Likewise.
11447 (print_shift_count_operand): Truncate to 12 bits instead of 6.
11448 Adapt comments.
11449 * config/s390/s390.md: ("setmem<mode>"): Accept character as
11450 general_operand. Call new function "s390_expand_setmem".
11451 ("clrmem_long", "*clrmem_long"): Rewrite to ...
11452 ("setmem_long", "*setmem_long"): ... this.
11454 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11456 * config/s390/s390.c: (optimization_options): Enable
11457 TARGET_MVCLE at -Os.
11458 * doc/invoke.texi: Document changes in default behaviour.
11459 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11461 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11463 * expr.c: (set_storage_via_setmem): Convert opchar to mode
11464 defined by back-end.
11466 2005-07-07 Jakub Jelinek <jakub@redhat.com>
11468 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11469 all sets in the pattern.
11470 * config/rs6000/rs6000.md (stack_protect_testsi,
11471 stack_protect_testdi): Likewise.
11473 2005-07-06 Jeff Law <law@redhat.com>
11475 * tree-vrp.c (simplify_using_ranges): Kill.
11476 (vrp_finalize): Remove call to simplify_using_ranges.
11477 (simplify_stmt_using_ranges): New function extracted from
11478 simplify_using_ranges.
11479 (simplify_div_or_mod_using_ranges): Likewise.
11480 (simplify_abs_using_ranges): Likewise.
11481 (simplify_cond_using_ranges): New function.
11482 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11483 * tree-ssa-propagate.c (substitute_and_fold): Call
11484 simplify_stmt_using_ranges if we have range information.
11486 2005-07-06 James E. Wilson <wilson@specifixinc.com>
11488 * config/ia64/ia64.c (ia64_reorg): Check optimize before
11489 ia64_flag_schedule_isns2.
11491 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11492 reading/writing general registers.
11493 (ia64_function_arg): Revert 2005-06-18 change.
11495 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
11497 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11498 (legitimize_tls_address): Use gcc_unreachable instead of abort.
11500 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
11502 * function.c (expand_function_end): Revert part of 2005-06-27
11503 patch. Do sjlj_emit_function_exit_after after return_label.
11505 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11507 * doc/install.texi (--disable-libssp): New.
11509 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
11511 * doc/invoke.texi: Update -fforce-mem documentation.
11512 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11513 code for -fforce-mem.
11514 * expmed.c: (store_bit_field,store_fixed_bit_field,
11515 extract_bit_field): Ditto.
11516 * expr.c: (convert_move): Ditto.
11517 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11518 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11519 emit_conditional_add,expand_float,expand_fix): Ditto.
11520 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11521 (common_handle_option): Issue warning when -fforce-mem specified.
11523 2005-07-06 Paul Brook <paul@codesourcery.com>
11525 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11526 argument is empty.
11527 * configure: Regenerate.
11529 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
11531 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11533 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
11535 Fix PR tree-optimization/22319
11536 Fix PR tree-optimization/22140
11537 Fix PR tree-optimization/22310
11539 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11540 variable sized types.
11541 Use correct type for intermediate structure on *a = *b structure
11542 copies.
11544 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11546 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11547 Remove.
11548 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11549 (machine_function): Move typedef to...
11550 * config/rs6000/rs6000.c (machine_function): ... here. Add
11551 varargs_save_offset field.
11552 (rs6000_stack_t): Remove varargs_size field.
11553 (setup_incoming_varargs): Allocate varargs save area using
11554 assign_stack_local, try to make it as small as possible.
11555 Save offset from virtual_stack_vars_rtx to the save area
11556 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
11557 instead of magic 8 when fp word byte size is used.
11558 (rs6000_va_start): Use cfun->machine->varargs_save_offset
11559 instead of -RS6000_VARARGS_SIZE.
11560 (rs6000_stack_info, debug_stack_info,
11561 rs6000_initial_elimination_offset): Remove all traces of
11562 varargs_size.
11563 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11564 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11565 RS6000_VARARGS_AREA.
11567 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
11569 PR tree-optimization/21963
11570 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11571 constant_multiple_of in the same way get_computation_cost_at does.
11573 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11575 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11576 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11577 (gen_compare_reg): If sparc_compare_emitted is set, clear it
11578 and return its previous value.
11579 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11580 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11581 constants.
11582 (stack_protect_set, stack_protect_test): New expanders.
11583 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11584 stack_protect_testdi): New insns.
11585 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11586 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11588 2005-07-06 Jeff Law <law@redhat.com>
11590 * tree-ssa-dce.c (cfg_altered): New global.
11591 (tree_dce_init): Initialize cfg_altered.
11592 (remove_dead_stmt): If we remove an edge in the CFG, then set
11593 CFG_ALTERED.
11594 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11595 the dominators.
11597 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11599 * Makefile.in (stamp-collect-ld): Use
11600 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
11601 ./collect-ld if it already exists.
11602 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11603 Don't remove ./nm if it already exists.
11605 2005-07-05 Devang Patel <dpatel@apple.com>
11607 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11608 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11609 * tree-vectorizer.c (vect_loop_location): New.
11610 (vect_print_dump_info): Use vect_loop_location.
11611 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11612 (vectorize_loops): Set vect_loop_location.
11613 * tree-vect-analyze.c (vect_analyze_offset_expr,
11614 vect_determin_vectorization_factor, vect_analyze_operations,
11615 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11616 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11617 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11618 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11619 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11620 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11621 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11622 vect_analyze_loop): Adjust vect_print_dump_info API.
11623 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11624 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11625 vect_finish_stmt_generation, vectorizable_assignment,
11626 vectorizable_operation, vectorizable_store, vectorizable_load,
11627 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11628 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11629 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11630 vect_transform_loop): Same.
11631 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11632 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11633 Same.
11635 2005-07-05 Randolph Chung <tausq@debian.org>
11637 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11638 * configure: Regenerate.
11639 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11640 (pa_tls_referenced_p): Declare.
11641 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11642 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11643 (legitimize_tls_address): New.
11644 (hppa_legitimize_address): Handle TLS addresses.
11645 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11646 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11647 (emit_move_sequence): Handle TLS addresses.
11648 (pa_encode_section_info): Call default handler to handle common
11649 sections.
11650 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11651 (CONSTANT_ADDRESS_P): Reject TLS operands.
11652 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11653 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11654 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11655 (UNSPEC_TLSLE): Define new constants.
11656 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11657 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11658 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11659 (tie_symbolic_operand, tle_symbolic_operand): New
11661 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
11663 * aclocal.m4: Update macros for autoconf 2.59 style.
11664 * configure.ac: Likewise.
11666 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11668 * pa.c (function_value): Handle small aggregates on 32-bit targets.
11669 (function_arg): Pass small aggregates in general registers on 32-bit
11670 targets.
11671 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11673 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
11675 * Makefile.in (final.o): Fix dependencies.
11677 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11679 PR c/22013
11680 PR c/22098
11681 * langhooks.h (struct lang_hooks): Add expr_to_decl.
11682 * langhooks.c (lhd_expr_to_decl): New.
11683 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11684 New.
11685 (LANG_HOOKS_INITIALIZER): Update.
11686 * tree.c (recompute_tree_invarant_for_addr_expr): Call
11687 expr_to_decl langhook.
11688 * c-tree.h (c_expr_to_decl): Declare.
11689 * c-typeck.c (c_expr_to_decl): New.
11690 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11691 specially.
11692 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11694 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11696 PR c/22308
11697 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11698 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11700 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
11702 * Makefile.in: Adjust dependencies.
11703 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11704 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11705 * alias.c (rest_of_handle_cfg, pass_cfg): New.
11706 * bb-reorder.c (duplicate_computed_gotos): Make it static.
11707 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11708 rest_of_compilation.
11710 * bb-reorder.c (gate_duplicate_computed_gotos,
11711 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11712 rest_of_handle_reorder_blocks, pass_reorder_blocks,
11713 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11714 pass_partition_blocks): New.
11715 * bt-load.c (gate_handle_branch_target_load_optimize,
11716 rest_of_handle_branch_target_load_optimize,
11717 pass_branch_target_load_optimize): New.
11718 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11719 pass_jump2): New.
11720 * cfglayout.c (pass_insn_locators_initialize): New.
11721 * cfgrtl.c (pass_free_cfg): New.
11722 * combine.c (gate_handle_combine, rest_of_handle_combine,
11723 pass_combine): New.
11724 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11725 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11726 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11727 * except.c (pass_set_nothrow_function_flags,
11728 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11729 pass_rtl_eh): New.
11730 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11731 rest_of_handle_shorten_branches, pass_shorten_branches,
11732 rest_of_clean_state, pass_clean_state): New.
11733 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11734 rest_of_handle_remove_death_notes, pass_remove_death_notes,
11735 rest_of_handle_life, pass_life, rest_of_handle_flow2,
11736 pass_flow2): New.
11737 * function.c (pass_instantiate_virtual_regs, pass_init_function,
11738 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11739 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11740 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11741 pass_gcse): New.
11742 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11743 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11744 pass_rtl_ifcvt, gate_handle_if_after_combine,
11745 rest_of_handle_if_after_combine, pass_if_after_combine,
11746 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11747 pass_if_after_reload): New.
11748 * integrate.c (pass_initial_value_sets): New.
11749 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11750 pass_purge_lineno_notes): New.
11751 * mode-switching.c (rest_of_handle_mode_switching,
11752 pass_mode_switching): New.
11753 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11754 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11755 pass_loop2): New.
11756 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11757 pass_loop_optimize): New.
11758 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11759 pass_sms): New.
11760 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11761 pass_gcse2): New.
11762 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11763 pass_postreload_cse): New.
11764 * profile.c (gate_handle_profiling, pass_profiling,
11765 rest_of_handle_branch_prob, pass_branch_prob): New.
11766 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11767 pass_split_before_regstack, gate_handle_split_before_regstack,
11768 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11769 rest_of_handle_split_all_insns, pass_split_all_insns): New.
11770 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11771 pass_stack_regs): New.
11772 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11773 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11774 pass_stack_adjustments): New.
11775 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11776 pass_regrename): New.
11777 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11778 pass_delay_slots, gate_handle_machine_reorg,
11779 rest_of_handle_machine_reorg, pass_machine_reorg): New.
11780 * rtl.h (extern void purge_line_number_notes): New.
11781 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11782 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11783 pass_sched2): New.
11784 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11785 pass_tracer): New.
11786 * value-prof.c (gate_handle_value_profile_transformations,
11787 rest_of_handle_value_profile_transformations,
11788 pass_value_profile_transformations): New.
11789 * var-tracking.c (gate_handle_var_tracking,
11790 pass_variable_tracking): New.
11791 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11793 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11794 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11795 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11796 rest_of_handle_old_regalloc, rest_of_handle_regrename,
11797 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11798 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11799 rest_of_handle_gcse2, rest_of_handle_regmove,
11800 rest_of_handle_tracer, rest_of_handle_if_conversion,
11801 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11802 rest_of_handle_web, rest_of_handle_branch_prob,
11803 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11804 rest_of_handle_jump_bypass, rest_of_handle_combine,
11805 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11806 rest_of_handle_gcse, rest_of_handle_loop_optimize,
11807 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11808 rest_of_handle_mode_switching, rest_of_handle_jump,
11809 rest_of_handle_eh, rest_of_handle_stack_adjustments,
11810 rest_of_handle_flow2, rest_of_handle_jump2,
11811 rest_of_handle_peephole2, rest_of_handle_postreload,
11812 rest_of_handle_shorten_branches, rest_of_clean_state,
11813 rest_of_compilation): Remove.
11815 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11816 * passes.c (dump_flags, in_gimple_form, all_passes,
11817 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11818 register_dump_files, next_pass_1, last_verified, execute_todo,
11819 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11820 from tree-optimize.c.
11821 (init_optimization_passes): Moved from tree-optimize.c,
11822 adding the RTL optimizations.
11823 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11824 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11825 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11826 register_dump_files, next_pass_1, last_verified, execute_todo,
11827 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11828 init_tree_optimization_passes, ipa_passes): Delete.
11829 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11830 the RTL dumps.
11831 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11832 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11833 from tree.h.
11834 (ipa_passes): Remove.
11835 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11836 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11837 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11838 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11839 (dump_info_p, dump_flag): Moved to tree-dump.h.
11841 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11842 cgraph.c, opts.c.
11843 * passes.c (finish_optimization_passes): Use dump_begin
11844 and dump_end, TDI_end.
11845 (gate_rest_of_compilation): New.
11846 (pass_rest_of_compilation): Use it.
11847 (gate_postreload, pass_postreload): New.
11848 * toplev.c (general_init): Rename init_tree_optimization_passes.
11849 * toplev.h (init_tree_optimization_passes): Rename to
11850 init_optimizations_passes.
11851 * tree-dump.c (dump_flag): Make static.
11852 (dump_files): Remove RTL dumps.
11853 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11854 pass_cleanup_cfg, pass_free_cfg_annotations,
11855 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11856 pass_init_datastructures, pass_fixup_cfg): Make non-static.
11857 * tree-pretty-print.c: Include tree-pass.h.
11858 * cgraph.c: Include tree-dump.h.
11860 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11862 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11863 Only fall back to saying it points to readonly memory if
11864 we can't do better.
11866 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11868 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11869 * config/m32r/m32r.c (m32r_compute_frame_size,
11870 m32r_expand_prologue): Take current_function_profile into
11871 account whenever we reference
11872 current_function_uses_pic_offset_table.
11873 (m32r_finalize_pic): Remove.
11874 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11876 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
11878 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11879 instead of $<. Don't remove ./as if it already exists.
11881 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11883 PR target/21723
11884 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11885 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11886 for complex modes when generating code for PA 1.0.
11887 (VALID_FP_MODE_P): New macro.
11888 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11889 sets for all general and floating point modes. Align wide floating
11890 point modes to even register boundaries to comply with architectural
11891 requirements.
11892 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11893 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11894 (VALID_FP_MODE_P): New macro.
11895 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11896 sets for all general and floating point modes. Align wide floating
11897 point modes to even register boundaries to comply with architectural
11898 requirements.
11900 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11902 * tree-dump.c (dump_files): Initialize dump number for .cgraph
11903 to 0.
11905 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11907 * tree-ssa-structalias.c: Don't include expr.h.
11909 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11911 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11912 comments.
11914 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11916 Fix PR tree-optimization/22279
11918 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11919 correct operator.
11921 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
11923 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11925 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11927 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11928 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11929 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11930 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11931 config/stormy16/stormy16.c, config/v850/v850.c,
11932 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11933 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11934 Avoid "." or "\n" at end of diagnostics and capital letters at
11935 start of diagnostics.
11936 * combine.c, cse.c: Don't translate dump file output.
11937 * toplev.c (print_version): Only translate output if going to
11938 stderr.
11940 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11942 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11943 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11944 typos.
11946 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11948 * pa.c (fix_range): Fix typo in comment.
11950 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11952 * tree-vrp.c (extract_range_from_assert): Replace
11953 fold (build (...)) with fold_build2.
11955 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11957 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11958 gcc_gfc_char_table, init_dynamic_gfc_info): New.
11959 (format_types_orig, handle_format_attribute): Add support for
11960 format "gcc_gfc".
11962 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
11964 * varasm.c (assemble_variable): Fix format specifier thinko.
11966 2005-07-03 Ira Rosen <irar@il.ibm.com>
11968 PR tree-optimization/22029 (and 22135)
11969 * tree-pretty-print.c (dump_generic_node): Check that the node is not
11970 a phi node before calling dump_vops.
11972 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11974 * tree-dump.h (dump_string_field): Declare.
11975 * tree-dump.c: Use it instead of dump_string.
11976 (dump_string_field): Make non-static.
11978 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
11980 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11981 up the minimal CFG stuff always when optimize > 0. Call
11982 split_all_insns_noflow in PIC case if needed.
11984 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11985 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11987 PR c++/18279
11988 * c-decl.c (c_write_global_declarations): Dump contents of
11989 external scope to.
11990 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11991 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11992 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11993 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11994 is enabled.
11996 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11998 * c-common.h (GCC_DIAG_STYLE): Define.
11999 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
12000 version for format checking to 4.1.
12001 * c-format.c: Include toplev.h after c-common.h.
12002 (enum format_type): Add gcc_tdiag_format_type.
12003 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12004 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12005 (format_types_orig): Add gcc_tdiag.
12006 (init_dynamic_diag_info): Support gcc_tdiag formats.
12007 (handle_format_attribute): Likewise.
12008 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12009 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
12010 version for format checking to 4.1.
12011 (warning0, warning, error, pedwarn, sorry): Use
12012 ATTRIBUTE_GCC_DIAG.
12013 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12014 (finish_aliases_1): Do not use %qE.
12015 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12016 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12017 Correct format bugs.
12018 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12019 parameter to unsigned HOST_WIDE_INT.
12020 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12022 2005-07-02 David Edelsohn <edelsohn@gnu.org>
12024 PR middle-end/21742
12025 * expr.c (write_complex_part): Use adjust_address for MEM.
12026 (read_complex_part): Same.
12028 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12030 Fix PR tree-optimization/22280
12032 * tree-sra.c (generate_element_init): Remove useless loop.
12034 2005-07-02 Richard Henderson <rth@redhat.com>
12036 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12037 TLS_MODEL_NONE.
12038 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12040 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12042 PR middle-end/14490
12043 * fold-const.c (fold_binary): Handle the return value of
12044 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12045 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12047 2005-07-02 Jeff Law <law@redhat.com>
12049 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12050 a eliminate type conversion which feeds an equality comparison
12051 if the original type or either operand in the comparison is a
12052 function pointer.
12054 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12056 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12057 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12058 texts.
12059 * config/avr/avr.c: Do not use '`' as left quote.
12060 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12061 Remove "." from end of diagnostics. Make diagnostics start with
12062 lowercase letter.
12064 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12065 Joseph S. Myers <joseph@codesourcery.com>
12067 * toplev.c (default_tree_printer): Handle setting location with
12068 '+' flag.
12069 * c-objc.common.c (c_tree_printer): Likewise.
12070 * c-format.c (gcc_diag_flag_specs): Add '+'.
12071 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12072 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12073 formats.
12074 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12075 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12076 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12077 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12078 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12079 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12080 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12081 format arguments where %J is used without %D.
12083 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12085 * gcc.c (LINK_SSP_SPEC): Define.
12086 (link_ssp_spec): New variable.
12087 (LINK_COMMAND_SPEC): Add %(link_ssp).
12088 (static_specs): Add link_ssp_spec.
12089 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12090 * configure: Rebuilt.
12091 * config.in: Rebuilt.
12093 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12094 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12095 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12096 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12097 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12098 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12099 -0x7008(2) instead of reading __stack_chk_guard variable.
12100 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12101 number.
12102 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12103 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12104 if TARGET_THREAD_SSP_OFFSET is defined.
12105 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12106 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12108 Revert:
12109 2005-06-27 Richard Henderson <rth@redhat.com>
12110 * libgcc-std.ver (GCC_4.1.0): New.
12111 * libgcc.h (__stack_chk_guard): Declare.
12112 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12113 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12114 * mklibgcc.in (lib2funcs): Add them.
12116 2005-07-01 Richard Henderson <rth@redhat.com>
12118 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12119 void * before struct sigcontext *.
12120 (x86_fallback_frame_state): Likewise.
12122 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12124 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12126 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12128 PR tree-opt/22269
12129 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12130 we check for SSA_NAME for.
12132 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12134 Fix PR tree-optimization/22071
12136 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12137 function.
12138 (get_constraint_for_component_ref): Use it.
12140 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12142 PR other/22264
12143 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12144 print out the last new line.
12146 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12148 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12149 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12150 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12151 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12152 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12153 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12154 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12155 (enum reg_class): New member CC0_REGS.
12156 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12157 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12158 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12159 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12160 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12161 Adjust for register now described.
12163 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12165 PR target/22262
12166 * config/i386/i386.md (stack_protect_test_si,
12167 stack_protect_test_di): Add earlyclobber for scratch 3.
12168 * config/rs6000/rs6000.md (stack_protect_testsi,
12169 stack_protect_testdi): Add earlyclobber for scratch 3,
12170 remove earlyclobber from scratch 4.
12172 Older entries for 2005 can be found in ChangeLog-2005.