1 2005-12-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4 * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
7 * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
10 2005-12-16 Steven Bosscher <stevenb@suse.de>
12 * loop-invariant.c (move_loop_invariants): Add missing hunk from
13 the previous patch, to nullify df.
15 2005-12-16 Steven Bosscher <stevenb@suse.de>
17 * reorg.c (mostly_true_jump): Clean up code depending on
18 LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
19 poor man's branch prediction, instead rely on REG_BR_PROB
20 notes to be available.
22 2005-12-16 Jakub Jelinek <jakub@redhat.com>
24 PR rtl-optimization/24899
25 * loop.c (strength_reduce): Don't reduce giv that is not always
26 computable and where add_val or mult_val can trap.
28 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
30 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
32 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
33 names of ms1-16-002 files.
35 2005-12-16 Alan Modra <amodra@bigpond.net.au>
38 * gcc.c (for_each_path): New function.
39 (add_to_obstack, file_at_path): New functions.
40 (struct file_at_path_info, struct add_to_obstack_info): New.
41 (build_search_list): Rewrite using for_each_path. Constify struct
42 path_prefix pointer. Add do_multi param. Adjust all callers.
43 (find_a_file): Similarly, but just change existing param to bool.
44 (putenv_from_prefixes): Add do_multi param, make "paths" const.
45 (do_spec_path): Delete.
46 (struct spec_path_info): New.
47 (spec_path): New function.
48 (do_spec_1): Use for_each_path for %D and %I.
49 (find_file): Adjust for find_a_file changes.
50 (main): Search multilibs for specs. Print multilib lib path for
51 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
52 (read_specs): Search multilibs for %include and %include_noerr.
53 (is_directory): Remove second string param. Change last param
54 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
55 check path is a dir. Update all callers.
56 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
57 * system.h (SMALL_ARG_MAX): Poison.
58 * config.gcc: Don't define SMALL_ARG_MAX.
59 * config.host: Likewise.
60 * config.build: Likewise.
62 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
64 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
65 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
66 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
67 simplify_logical): Move simplifications that do not require
68 additional infrastructure...
69 * simplify-rtx.c (simplify_unary_operation_1,
70 simplify_binary_operation_1): ... here.
72 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
75 * flow.c (mark_used_dest_regs): New function.
76 (mark_used_regs): Call mark_used_dest_regs.
78 2005-12-16 Jeff Law <law@redhat.com>
80 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
81 represent a use and definition of the same SSA_NAME.
83 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
84 Janis Johnson <janis187@us.ibm.com>
85 Ben Elliston <bje@au.ibm.com>
87 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
88 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
89 * target.h (struct gcc_target): Add decimal_float_supported_p.
90 * targhooks.c (default_scalar_mode_supported_p): Handle
92 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
93 of inf, nan, finite, isinf and isnan.
94 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
95 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
96 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
97 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
98 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
99 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
100 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
101 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
102 Pedwarn if decimal floating point types are used. Error if
103 decimal floating point is not supported by the target.
104 (finish_declspecs): Return type from DFP typespec_word.
105 * c-typeck.c (c_common_type): Choose the decimal floating point
106 type with the greater precision when determining a common type.
107 (convert_arguments): Warn if there is a mismatch between argument
108 and prototype for decimal float types. Warn of conversions with
109 binary float types and of precision narrowing due to prototype.
110 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
111 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
112 (c_token_starts_declspecs): Likewise.
113 (c_parser_attributes): Likewise.
114 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
115 RID_DFLOAT64, RID_DFLOAT128.
116 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
117 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
118 (shorten_compare): Convert DFP/BFP operands to a common type.
119 (c_common_modes_and_builtins): Register built-in decimal float
120 types if the target supports them.
121 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
122 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
123 inf, nan, finite, isinf and isnan builtins.
124 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
125 (builtin_define_float_constants): Assert non-decimal radix.
126 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
127 Call builtin_define_decimal_float_constants for each type.
128 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
129 flags. Use real_from_string3, which can handle binary or decimal
131 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
132 cts_dfloat64, cts_dfloat128.
133 * tree.c (build_common_tree_nodes_2): Add decimal float types.
134 * tree.h (enum tree_index): Add new enumeration values
135 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
136 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
137 (dfloat32_type_node): New macro.
138 (dfloat64_type_node, dfloat128_type_node): Likewise.
139 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
140 (dfloat128_ptr_type_node): Likewise.
141 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
142 bit decimal floating point types with "df", "dd" and "dl".
143 * c-format.h (enum format_lengths): Add new enumeration values
144 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
145 * c-format.c (printf_length_specs, scanf_length_specs): Add
146 entries for H, D, DD.
147 (print_char_table, scan_char_table): Use new entries.
148 (asm_fprintf_char_table, gcc_diag_char_table,
149 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
151 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
152 (DECIMAL64_TYPE_SIZE): Likewise.
153 (DECIMAL128_TYPE_SIZE): Likewise.
154 (TARGET_DEC_EVAL_METHOD): Likewise.
155 * doc/extend.texi (Decimal Float): New node.
156 (Constructing Calls): Document decimal float built-ins.
157 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
158 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
159 * ginclude/decfloat.h: New file.
161 2005-12-16 Alan Modra <amodra@bigpond.net.au>
163 * reload.c (find_reloads): Fix comment typo.
164 * recog.h (recog_memoized): Correct comment.
166 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
168 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
169 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
170 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
171 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
172 * doc/invoke.texi, doc/tm.texi: Fix typos.
174 2005-12-16 Ben Elliston <bje@au.ibm.com>
176 * real.c (decimal_quad_format): Correct values for emin, emax.
178 2005-12-15 DJ Delorie <dj@redhat.com>
180 * config/m32c/predicates.md (m32c_psi_scale): New.
181 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
182 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
184 2005-12-16 Jan Hubicka <jh@suse.cz>
186 PR rtl-optimization/25224
187 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
190 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
191 Steven Bosscher <stevenb@suse.de>
193 * loop-invariant.c (df): New global variable.
194 (find_defs, check_dependencies, find_invariant_insn, record_uses,
195 find_invariants_bb, find_invariants_body, find_invariants,
196 find_invariants_to_move, move_invariants, free_inv_motion_data,
197 move_single_loop_invariants, move_loop_invariants): Do not pass df in
200 2005-12-15 Jakub Jelinek <jakub@redhat.com>
202 * varasm.c (default_unique_section_1): Use special section
203 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
205 2005-12-16 Ben Elliston <bje@au.ibm.com>
207 * doc/invoke.texi (Warning Options): Document -Walways-true being
210 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
213 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
214 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
215 __floatunditf): Use #error if type sizes don't match requirements
217 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
218 as wider floating-point type. Use #error if type sizes don't
219 match requirements of implementation. Avoid overflow in computing
220 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
221 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
222 (__floatundisf, __floatundidf): Likewise.
223 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
224 * config/ia64/ia64.c (ia64_init_libfuncs): Use
225 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
226 TFmode-TImode conversions.
227 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
229 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
231 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
232 Use builtin_define_with_int_value() instead of
233 adding a new check for every new major FreeBSD version.
235 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
237 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
239 2005-12-15 Richard Sandiford <richard@codesourcery.com>
241 * config/arm/predicates.md (call_memory_operand): New.
242 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
244 2005-12-15 Andrew Haley <aph@redhat.com>
246 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
247 against prev_cache_entry == NULL when moving a cache entry to the
250 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
252 * config/mt/mt.c (mt_override_options): Require lower case
253 architectures. Revert accidental default to ms2.
254 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
255 ENDFILE_SPEC): Require lower case architectures. Revert default
258 * doc/invoke.texi (MT Options): Rename and update.
259 * doc/md.texi (MorphoTech family): Rename and update.
261 2005-12-15 Olivier Hainque <hainque@adacore.com>
263 * stor-layout.c (layout_type): Don't complain about a too small
264 an array element type size compared to its alignment when the
267 2005-12-15 Jan Hubicka <jh@suse.cz>
270 * i386.c (classify_argument): Properly adjust offset of bitfield for
273 2005-12-15 Richard Sandiford <richard@codesourcery.com>
275 * final.c (final_scan_insn): Flip in_cold_section_p when changing
276 between the hot and cold sections. Use current_function_section
277 to get the new section.
278 * dwarf2out.c (output_line_info): Use in_cold_section_p to
279 determine whether we are assembling hot or cold code.
280 (secname_for_decl, dwarf2out_var_location): Likewise.
281 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
282 * varasm.c (last_text_section): Delete.
283 (in_cold_section_p): New variable.
284 (hot_function_section): New function.
285 (current_function_section): Pass in_cold_section_p as the
286 reloc argument to select_section. Use it to decide between
287 unlikely_function_section and hot_function_section.
288 (assemble_start_function): Use switch_to_section. Set
289 in_cold_section_p instead of last_text_section.
290 (assemble_end_function): Use switch_to_section.
291 (switch_to_section): Don't set last_text_section.
292 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
293 argument to make the right choice between hot and cold sections.
295 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
297 Second part of MS1->MT renaming
298 * config/mt/mt.md (doloop_end): Call mt_add_loop.
299 (movqi, movhi): Call mt_set_memflags.
300 (*movdf_internal): Call mt_split_words.
301 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
303 (cmpsi): Store to mt_compare_op[01].
304 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
305 bungt, bunle, bunlt): Call mt_emit_cbranch.
306 (prologue): Call mt_expand_prologue.
307 (epilogu): Call mt_expend_epilogue.
308 (eh_return): Call mt_expand_eh_return.
309 (eh_epilogue): Call me_emit_eh_epilogue.
310 (conditional_trap): Store to mt_compare_op[01].
311 * config/mt/crti.asm: Adjust comment.
312 * config/mt/crtn.asm: Adjust comment.
313 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
314 (mt_compare_op0, mt_compare_op1): Renamed.
315 (current_frame_info, zero_frame_info): Adjust type.
316 (mt_ucmpsi3_libcall): Renamed.
317 (mt_flag_delayed_branch): Renamed.
318 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
319 (mt_nops_required, mt_nop_reasons): Renamed.
320 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
321 mt_debug_stack, mt_print_operand_simple_address,
322 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
323 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
324 mt_function_arg_advance, mt_arg_partial_bytes,
325 mt_pass_by_reference, mt_function_arg_boundary,
326 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
327 mt_legitimate_address_p): Renamed, adjusted.
329 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
330 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
331 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
332 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
333 mt_expand_eh_return, mt_emit_eh_prologue,
334 mt_handl_interrupt_attribute): Renamed, adjusted.
335 (mt_attribute_table): Renamed, adjusted.
336 (mt_initial_elimination_offset, mt_generate_compare,
337 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
338 mt_secondary_reload_class, mt_function_value, mt_split_words,
339 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
340 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
341 (mt_labels): Renamed.
342 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
343 mt_machine_reorg): Renamed, adjusted.
344 (mt_attribute_table: Renamed.
345 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
346 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
347 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
348 * config/mt/mt.opt (march): Set mt_cpu_string.
349 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
350 (TARGET_CPU_CPP_BUILTINS): Adjust.
351 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
353 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
354 (MT_MIN_INT): Renamed.
355 (RETURN_ADDR_RTX): Adjust.
356 (struct mt_frame_info): Renamed.
357 (current_frame_info): Adjust type.
358 (INITIAL_ELIMINATION_OFFSET): Adjust.
359 (MT_NUM_ARG_REGS): Renamed.
360 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
361 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
362 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
363 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
364 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
365 (mt_compare_op0, mt_compare_op1): Renamed.
366 * config/mt/mt-protos.h: Rename prototypes.
368 2005-12-15 Richard Guenther <rguenther@suse.de>
370 * tree-flow.h (okay_component_ref_for_subvars): Remove.
371 (get_ref_base_and_extent): Declare.
372 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
373 (get_ref_base_and_extent): New function.
374 * tree-ssa-alias.c (find_used_portions): Use it.
375 * tree-ssa-structalias.c (get_constraint_for_component_ref):
377 * tree-ssa-operands.c (get_expr_operands): Likewise.
379 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
381 * combine.c: Remove force_to_mode's fourth parameter.
382 (force_to_mode): Do not handle REG.
383 (canon_reg_for_combine): New.
384 (make_field_assignment): Use it where the removed argument was non-NULL.
386 2005-12-15 Alan Modra <amodra@bigpond.net.au>
389 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
390 error_mark_node. Make alignment params unsigned.
391 * config/rs6000/rs6000-protos.h
392 (rs6000_special_round_type_align): Update prototype.
393 (rs6000_machopic_legitimize_pic_address): Remove arg names.
395 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
397 PR rtl-optimization/25310
398 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
399 of the eliminable register when substituting into a PLUS.
401 2005-12-14 Jakub Jelinek <jakub@redhat.com>
404 * config/i386/i386.c (ix86_force_to_memory): Always use
405 SImode push for HImode in -m32.
406 (ix86_free_from_memory): Likewise.
408 2005-12-14 Richard Sandiford <richard@codesourcery.com>
410 * gcc/config/arm/arm.md: Provide a big-endian version of the
411 (zero_extend:SI (subreg:QI ...)) splitter.
413 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
415 * struct-equiv.c (note_local_live): Handle hard regs with different
418 2005-12-14 Jeff Law <law@redhat.com>
420 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
421 to a structure containing state rather than a pointer to bool.
422 (case ARRAY_REF): New code to handle folding some array references.
423 (case ADDR_EXPR): Note when we are processing expressions found
424 within an ADDRE_EXPR.
425 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
426 for state variables rather than just a pointer to a boolean.
427 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
428 handling of constant string references.
430 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
432 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
433 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
434 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
435 Move other tst* patterns to retain partial order.
437 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
439 * config/s390/s390.md ("d0", "1"): New mode attributes.
440 ("<shift>di3", "<shift>si3"): Merge.
441 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
442 ("ashrdi3", "ashrsi3"): Merge.
443 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
444 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
445 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
446 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
447 ("*ashrdi3", "*ashrsi3"): Merge.
448 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
450 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
452 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
453 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
454 ("*extendqidi2", "*extendqisi2") Merge.
455 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
456 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
457 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
458 Move some patterns to retain partial ordering.
460 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
462 * config/s390/s390.md ("atype", "length"): Rewrite.
463 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
465 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
467 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
469 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
471 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
472 PARALLELs with a mode.
474 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
476 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
479 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
481 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
483 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
487 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
490 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
492 2005-12-14 Jakub Jelinek <jakub@redhat.com>
496 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
497 DECL_P, call get_section rather than get_named_section. Supply
500 2005-12-14 Ben Elliston <bje@au.ibm.com>
502 * c-common.c (c_common_truthvalue_conversion): Generalise warning
503 for addresses converted to booleans; not just function addresses.
504 * c-typeck.c (build_binary_op): Warn for address comparisons which
505 can never be NULL (eg. func == NULL or &var == NULL).
506 * common.opt (Walways-true): New option.
507 * c-opts.c (c_common_handle_option): Set it with -Wall.
508 * doc/invoke.texi: Document it.
510 2005-12-13 Paul Brook <paul@codesourcery.com>
512 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
513 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
515 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
517 * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
518 * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
520 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
521 (EXTRA_MULTILIB_PARTS): Define.
523 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
525 PR rtl-optimization/20070 / part1
526 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
527 count_or_remove_death_notes with kill == -1.
528 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
529 registers if PROP_POST_REGSTACK is set.
530 (mark_used_reg): Likewise.
531 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
532 REG_UNUSED notes for stack regs.
533 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
534 to match rtx_equiv_p machinery. Change caller.
535 (outgoing_edges_match): Likewise.
536 (try_crossjump_to_edge): Use struct_equiv_block_eq
537 instead of flow_find_cross_jump.
538 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
539 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
540 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
541 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
542 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
543 (insns_match_p): Update prototype.
544 (flow_find_cross_jump): Remove prototype.
545 (struct_equiv_block_eq, struct_equiv_init): Declare.
546 (rtx_equiv_p, condjump_equiv_p): Likewise.
547 * struct-equiv.c: Include reload.h.
548 (IMPOSSIBLE_MOVE_FACTOR): Define.
549 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
550 (struct_equiv_improve_checkpoint): Likewise.
551 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
552 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
553 (struct_equiv_merge, find_dying_input): Likewise.
554 (resolve_input_conflict, note_local_live): Likewise.
555 (death_notes_match_p): Change parameters and processing
556 to match rtx_equiv_p machinery. Change caller.
557 (insns_match_p): Likewise.
558 (flow_find_cross_jump): Replace with:
559 (struct_equiv_block_eq).
561 Back out this change:
562 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
563 * recog.c (verify_changes): Make it static.
564 * recog.h: Remove the corresponding prototype.
566 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
568 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
571 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
573 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
574 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
575 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
576 TARGET_MS1_64_001 appropriately.
577 (ms1_machine_reorg): Use TARGET_MS2.
579 2005-12-13 Jakub Jelinek <jakub@redhat.com>
583 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
584 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
585 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
586 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
587 Set mode to SI, adjust constraints.
588 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
589 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
592 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
594 * c-cppbuiltin.c (builtin_define_float_constants): Add
595 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
596 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
597 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
598 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
599 to "((double)%sL)" otherwise "%s".
601 2005-12-13 Paul Brook <paul@codesourcery.com>
603 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
606 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
608 * tree-flow.h: Allow compilation with a C++ compiler.
609 (struct edge_prediction): Prefix all field names with "ep_".
610 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
611 (tree_predict_edge, combine_predictions_for_bb): Likewise.
612 (remove_predictions_associated_with_edge): Likewise.
614 2005-12-12 Jeff Law <law@redhat.com>
616 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
618 * passes.c (init_optimization_passes): Run reassociation again
619 after loop optimizations.
621 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
623 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
625 (optimize_stmt): Ditto.
626 (canonicalize_comparison): New function.
627 * tree-ssa-operands.c (swap_tree_operands): Make external.
628 (get_expr_operands): Stop auto-canonicalization.
629 * tree-ssa-reassoc.c: Rewrite.
630 (init_optimization_passes):
631 * tree-flow.h (swap_tree_operands): Prototype.
632 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
634 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
636 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
637 indicate function epilogue has been output.
638 (pa_asm_output_mi_thunk): Likewise.
639 (output_deferred_plabels): Put plabels in readonly data section when
640 not generating PIC code.
641 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
642 information. Add assert.
643 (som_output_comdat_data_section_asm_op): New function.
644 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
645 instead of output_section_asm_op for COMDAT sections.
647 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
649 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
650 Fix whitespace in vincinity of to-be-installed changes.
651 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
652 (insns_match_p): Likewise.
654 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
656 * config.gcc (ms1): Replace with ...
658 * config/ms1: Rename to ...
659 * config/mt: ... here. Rename ms1 files to mt.
660 * config/mt/mt.c: Adjust gt-mt.h #include.
661 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
662 (crti.o, crtn.o): Adjust file names.
664 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
666 * varray.h: Allow compilation with a C++ compiler.
667 (union varray_data_tag): Prefix all field names with "vdt_".
668 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
669 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
670 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
671 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
672 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
673 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
674 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
675 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
676 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
677 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
678 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
679 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
680 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
681 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
682 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
683 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
684 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
685 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
686 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
687 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
688 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
689 VARRAY_TOP_TREE_PTR): Likewise.
690 * varray.c (varray_grow): Likewise.
691 (varray_clear): Likewise.
693 2005-12-12 Alan Modra <amodra@bigpond.net.au>
696 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
697 alignment to doubleword if the first field is a double array.
698 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
700 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
702 * tree-ssa-structalias.c (process_constraint): Remove code to
703 transform addressofs into scalar.
704 (create_variable_info_for): In whole-program IPA, globals don't
705 point to ANYTHING by default.
707 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
709 * timevar.def (TV_IPA_PTA): New.
710 * tree-pass.h (pass_ipa_pta): New
711 * tree-ssa-structalias.c: Include cgraph.h
713 (predbitmap_obstack): New.
714 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
715 (struct constraint_stats): Add num_edges.
716 (new_var_info): Don't call bitmap_clear.
717 (struct constraint_edge): Update docs.
718 (new_constraint_edge): Remove src param.
719 (struct constraint_graph): Add zero_weight_succs,
720 zero_weight_preds. Update docs.
721 (constraint_expr_equal): Reformat.
722 (constraint_edge_equal): Update for removal of src.
723 (constraint_edge_less): Ditto.
724 (constraint_edge_vec_find): Ditto.
725 (erase_graph_self_edge): Update for removal of src and and zero
727 (clear_edges_for_node): Ditto.
728 (add_graph_edge): Ditto.
729 (get_graph_weights): Ditto.
730 (allocate_graph_weights): Ditto.
731 (merge_graph_nodes): Ditto.
732 (int_add_graph_edge): Ditto.
733 (valid_graph_edge): Ditto.
734 (valid_weighted_graph_edge): Ditto.
735 (build_constraint_graph): Ditto.
737 (collapse_nodes): Ditto.
738 (process_unification_queue): Ditto.
740 (solve_graph): Ditto.
741 (do_structure_copy): Ditto.
742 (perform_var_substitution): Ditto.
743 Init and release obstack.
744 (handle_ptr_arith): Try to resolve directly.
745 (find_func_aliases): Don't call update_alias_info here
746 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
747 (do_sd_constraint): Add code for propagating faster.
749 (do_ds_constraint): Ditto.
750 (count_num_arguments): New function.
751 (create_function_info_for): Ditto.
752 (create_variable_info_for): Handle FUNCTION_DECL.
753 (intra_create_variable_infos): Use make_constraint_to_anything.
754 (init_alias_vars): Init obstacks here.
755 (need_to_solve): Handle zero weight graph changes.
756 (compute_points_to_sets): Call update_alias_info here.
757 (delete_points_to_sets): Free zero weight preds/succs here.
759 (ipa_pta_execute): New
761 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
763 * tree-ssa-structalias.c (var_anyoffset): Removed.
764 (anyoffset_tree): Ditto.
765 (anyoffset_id): Ditto.
766 (do_deref): Take vector of constraints, no return value.
767 Update to work on vector.
768 (get_constraint_for): Ditto.
769 (get_constraint_for_component_ref): Ditto.
770 (do_structure_copy): Ditto.
771 (handle_ptr_arith): Ditto.
772 (find_func_aliases): Ditto.
773 (set_uids_in_ptset): Remove anyoffset handling.
774 (init_base_vars): Ditto.
776 2005-12-10 Mark Mitchell <mark@codesourcery.com>
779 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
780 DECL_EXTERNAL functions have no bodies. Tidy.
782 2005-12-10 Andreas Schwab <schwab@suse.de>
784 * except.c (switch_to_exception_section): Only define if
785 TARGET_UNWIND_INFO is not defined.
787 2005-12-10 Richard Sandiford <richard@codesourcery.com>
789 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
790 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
792 2005-12-10 Richard Sandiford <richard@codesourcery.com>
794 * output.h (init_section, fini_section): Delete.
795 * varasm.c (init_section, fini_section): Delete.
796 (init_varasm_once): Don't initialize them.
797 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
798 there are no corresponding varasm.c variables.
800 2005-12-10 Richard Sandiford <richard@codesourcery.com>
802 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
803 of EH_FRAME_SECTION_NAME into...
804 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
806 * except.c (default_exception_section): Delete, moving most
808 (switch_to_exception_section): ...this new function. Set
809 exception_section if it is still null, then switch to it.
810 (output_function_exception_table): Use switch_to_exception_section.
811 * varasm.c (exception_section, eh_frame_section): Update comments.
812 (get_section): Hoist use of SECTION_NAMED.
813 (init_varasm_once): Don't set exception_section and eh_frame_section.
814 * output.h (default_exception_section): Delete.
815 (default_eh_frame_section): Delete.
817 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
819 * config/bfin/bfin.c: Include "cgraph.h".
820 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
821 Return the reg that holds the pointer to the GOT.
822 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
823 doing stack checking.
825 2005-12-09 Diego Novillo <dnovillo@redhat.com>
827 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
828 recompute_tree_invarant_for_addr_expr.
829 Update uses everywhere.
831 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
833 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
834 (MULTILIB_DIRNAMES): Define.
836 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
839 * config/s390/s390.c (struct s390_address): New field literal_pool.
840 (s390_decompose_address): Compute literal_pool field. Do not
841 assume register %r13 is always (and solely) used as pool base.
842 (s390_extra_constraint_str): Use literal_pool field.
844 2005-12-09 Thiemo Seufer <ths@networkno.de>
846 * config/mips/mips.c (override_options): Don't allow too small
847 integers in FP registers.
849 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
851 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
852 targetm.binds_local_p to check for local function calls.
854 2005-12-09 Alan Modra <amodra@bigpond.net.au>
857 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
858 call_used_regs can't be used to save reg in another reg.
860 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
861 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
863 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
865 * except.c (output_ttype): Likewise.
866 * tree-object-size.c (collect_object_sizes_for): Likewise.
867 (check_for_plus_in_loops_1): Likewise.
868 (check_for_plus_in_loops): Likewise.
869 (compute_object_sizes): Use gcc_unreachable instead of abort.
871 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
873 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
874 (loop_end, loop_init, doloop_end): New insns.
875 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
876 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
877 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
878 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
879 * config/ms1/ms1.c: #include basic-block.h
880 (struct machine_function): Add has_loops field.
882 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
883 (struct loop_info, struct loop_work): New.
884 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
885 (ms1_reorg_loops): New loop optimization.
886 (ms1_machine_reorg): Call it.
887 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
889 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
891 PR tree-optimization/25248
892 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
893 evolution_of_loop from the failed attempt. Remove handling
896 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
898 * tree.h (DECL_EXTERNAL): Clarify documentation.
900 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
901 Jakub Jelinek <jakub@redhat.com>
904 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
905 argument. Don't drop outer ANDs.
906 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
907 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
909 * config/s390/predicates.md (setmem_operand): Remove.
910 (shift_count_operand): Rename to...
911 (shift_count_or_setmem_operand): ... this. Adjust
912 s390_decompose_shift_count caller.
913 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
914 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
915 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
916 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
917 rotl<mode>3_and, setmem_long_and): New insns.
918 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
919 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
920 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
921 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
922 of shift_count_operand.
923 (setmem_long): Use shift_count_or_setmem_operand instead of
926 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
927 Andreas Tobler <a.tobler@schweiz.ch>
929 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
932 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
934 * expr.c (force_operand): Use convert_to_mode for conversions.
936 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
938 * reload.h (reg_equiv_invariant): Declare.
939 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
940 register also when reg_equiv_invariant[R] is set.
942 2005-12-07 Richard Sandiford <richard@codesourcery.com>
943 Andreas Tobler <a.tobler@schweiz.ch>
945 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
947 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
949 * tree-ssa-pre.c (bitmap_set_and): New function.
950 (bitmap_set_and_compl): New function.
951 (bitmap_set_empty_p): New function.
952 (insert_extra_phis): New function.
953 (compute_avail): Use insert_extra_phis.
955 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
957 * config/s390/s390.c (s390_expand_atomic): New function.
958 Adjust comment of helper functions.
959 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
960 * config/s390/s390.md ("ATOMIC"): New code macro.
961 ("atomic"): Corresponding new code attribute.
962 ("sync_lock_test_and_set[hq]i",
963 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
965 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
967 * config/s390/s390.c (s390_expand_mask_and_shift,
968 struct alignment_context, init_alignment_context,
969 s390_expand_cs_hqi): New.
970 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
971 * config/s390/s390.md ("sync_compare_and_swaphi",
972 "sync_compare_and_swapqi"): New pattern.
974 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
976 Fix PR tree-optimization/25291
977 * tree-ssa-operands.c (add_call_clobber_ops): Remove
978 redundant and crashing check.
980 2005-12-08 Alan Modra <amodra@bigpond.net.au>
983 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
984 tests further when !strict && reload_in_progress.
985 (print_operand): Check that both operands of indexed address are regs.
986 (print_operand_address): Likewise.
987 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
988 (INT_REG_OK_FOR_BASE_P): Correct.
990 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
992 Preparation for PR rtl-optimization/20070 / part1
993 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
994 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
995 outgoing_edges_match.
996 (outgoing_edges_match): Use condjump_equiv_p.
997 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
999 * struct-equiv.c: New file.
1000 (death_notes_match_p) New function, broken out of insns_match_p.
1001 * Makefile.in (OBJS-common): Add struct-equiv.o.
1002 (struct-equiv.o): New target.
1004 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1006 * coretypes.h: Revert previous change.
1007 * config/darwin.h: Revert previous reversion.
1008 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1010 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1012 * coretypes.h (section): Provide dummy definition for target files.
1013 * config/darwin.h: Revert previous change.
1015 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1017 * doc/sourcebuild.texi (all.build, install-normal): Remove.
1018 * configure.ac: Remove all.build and install-normal from target_list
1019 * configure: Regenerate.
1020 * Makefile.in (install): Don't depend on install-normal.
1022 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1024 * Makefile.in: Document the use of stamps.
1026 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1028 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1029 * Makefile.in: Add code to compute some dependencies on s-gtype
1030 automatically. Remove the declaration of those dependencies.
1032 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1034 * gcc/reload.c (push_secondary_reload): Fix typo:
1035 s/insn_constraint/scratch_constraint/.
1037 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1039 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1041 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1043 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1044 (alpha_elf_select_rtx_section): Return the selected section rather
1045 than emitting assembly code.
1046 (alpha_write_linkage): Emit a ".link" directive directly and then
1047 set in_section to NULL.
1048 (vms_asm_out_constructor): Use switch_to_section.
1049 (vms_asm_out_destructor): Likewise.
1050 (unicosmk_output_common): Set in_section to NULL instead of calling
1051 the dummy common_section function.
1052 (unicosmk_text_section): Delete in favor of...
1053 (unicosmk_output_text_section_asm_op): ...this new function.
1054 (unicosmk_data_section): Delete in favor of...
1055 (unicosmk_output_data_section_asm_op): ...this new function.
1056 (unicosmk_init_sections): New function.
1057 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1058 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1059 the dummy ssib_section function.
1060 (unicosmk_section_buf): Delete.
1061 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1062 (unicosmk_data_section): Delete.
1063 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1064 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1065 (SECTION_FUNCTION_TEMPLATE): Delete.
1066 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1067 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1068 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1069 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1070 (TARGET_ASM_INIT_SECTIONS): Define.
1071 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1072 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1073 (link_section, literals_section): Delete.
1074 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1075 set in_section to NULL.
1077 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1078 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1079 (COMMON_SECTION): Delete.
1080 (TARGET_ASM_INIT_SECTIONS): Define.
1081 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1082 the dummy common_section function.
1083 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1084 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1085 between readonly_data_section and text_section to check whether
1086 read-only data is being put in the text section.
1087 (arm_output_function_epilogue): Use switch_to_section.
1088 (arm_elf_asm_constructor): Likewise.
1089 (thumb_call_via_reg): Replace call to in_text_section with
1090 a comparison between in_section and text_section.
1091 (arm_file_end): Use switch_to_section.
1092 (aof_text_section): Delete in favor of...
1093 (aof_output_text_section_asm_op): ...this new function.
1094 (aof_data_section): Delete in favor of...
1095 (aof_output_data_section_asm_op): ...this new function.
1096 (aof_asm_init_sections): New function.
1097 (zero_init_section): Moved from config/arm/aof.h.
1098 (aof_dump_imports, aof_file_start): Use switch_to_section.
1099 * config/arm/arm.h (thumb_call_via_label): Update comment.
1100 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1101 (common_section): Delete.
1102 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1103 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1104 global switch_to_section function instead of the old port-local one.
1105 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1106 (SWITCH_TO_SECTION_FUNCTION): Delete.
1107 (drectve_section): Redefine as a macro.
1108 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1109 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1112 * config/avr/avr.c (progmem_section): New variable.
1113 (avr_output_progmem_section_asm_op): New function.
1114 (avr_asm_init_sections): New function.
1115 (avr_output_addr_vec_elt): Use switch_to_section.
1116 * config/avr/avr.h (progmem_section): Declare.
1117 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1118 (READONLY_DATA_SECTION): Delete.
1119 (TARGET_ASM_INIT_SECTIONS): Define.
1120 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1121 * config/avr/avr-protos.h (progmem_section): Delete.
1123 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1125 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1126 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1128 * config/darwin-sections.def: New file.
1129 * config/darwin.c: Define all sections in darwin-sections.def.
1130 (output_objc_section_asm_op, darwin_init_sections): New functions.
1131 (machopic_output_indirection): Use switch_to_section.
1132 (machopic_select_section): Return the selected section rather than
1133 emitting assembly code. Replace the static function table with
1134 inline conditional expressions. Update the tests of last_text_section
1135 and move them into the FUNCTION_DECL block.
1136 (machopic_select_rtx_section): Return the selected section rather than
1137 emitting assembly code.
1138 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1139 (darwin_file_end): Use switch_to_section.
1140 * config/darwin.h: Use darwin-sections.def to declare sections.
1141 (INIT_SECTION_ASM_OP): Remove empty definition.
1142 (HAS_INIT_SECTION): Define this instead.
1143 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1144 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1145 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1146 (TARGET_ASM_INIT_SECTIONS): Define.
1147 * config/darwin-protos.h (darwin_init_sections): Declare.
1148 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1149 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1150 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1151 (constructor_section, destructor_section, mod_init_section): Delete.
1152 (mod_term_section): Delete.
1153 (darwin_exception_section, darwin_eh_frame_section): Delete.
1154 (machopic_select_section): Return a section.
1155 (machopic_select_rtx_section): Likewise.
1156 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1157 (const_section, const_coal_section, const_data_section): Delete.
1158 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1159 (literal4_section, literal8_section, constructor_section): Delete.
1160 (mod_init_section, mod_term_section, destructor_section): Delete.
1161 (objc_class_section, objc_meta_class_section, objc_category_section)
1162 (objc_class_vars_section, objc_instance_vars_section): Delete.
1163 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1164 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1165 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1166 (objc_symbols_section, objc_module_info_section): Delete.
1167 (objc_image_info_section, objc_protocol_section): Delete.
1168 (objc_string_object_section, objc_constant_string_object_section)
1169 (objc_class_names_section, objc_meth_var_names_section): Delete.
1170 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1171 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1172 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1173 (darwin_exception_section, darwin_eh_frame_section): Delete.
1174 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1176 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1177 (frv_asm_out_destructor): Likewise.
1178 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1179 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1180 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1182 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1183 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1184 (data_section): Delete.
1186 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1187 (DRECTVE_SECTION_FUNCTION): Delete.
1188 (drectve_section): Redefine as a macro that sets in_section after
1189 emitting the directive.
1190 (SWITCH_TO_SECTION_FUNCTION): Delete.
1191 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1192 in_text_section with comparison between in_section and text_section.
1193 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1194 rather than emitting assembly code. Use get_named_section.
1195 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1197 (machopic_output_stub): Use switch_to_section.
1198 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1199 (nwld_named_section_asm_out_destructor): Use get_section and
1202 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1203 rather than emitting assembly code.
1204 (ia64_rwreloc_select_section): Likewise.
1205 (ia64_rwreloc_select_rtx_section): Likewise.
1206 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1207 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1209 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1210 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1212 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1213 section rather than emitting assembly code.
1214 (iq2000_select_section): Likewise.
1215 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1216 (sbss_section): Delete.
1218 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1219 and get_named_section.
1220 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1222 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1223 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1224 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1225 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1227 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1228 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1229 global switch_to_section function instead of the old port-local one.
1230 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1231 (SWITCH_SECTION_FUNCTION): Delete.
1232 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1233 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1234 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1235 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1237 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1238 global switch_to_section function instead of the old port-local one.
1239 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1241 * config/mips/mips.c (mips_file_start): Update comment.
1242 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1243 (mips_output_aligned_decl_common): Use switch_to_section.
1244 (mips_select_rtx_section): Return the section rather than emitting
1245 assembly code. Use get_named_section.
1246 (mips_function_rodata_section: Likewise get_section.
1247 (build_mips16_function_stub): Use switch_to_section.
1248 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1249 (SDATA_SECTION_ASM_OP): Delete.
1250 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1251 (EXTRA_SECTION_FUNCTIONS): Delete.
1253 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1254 (mmix_asm_output_aligned_local): Use switch_to_section.
1256 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1257 (som_one_only_readonly_data_section): New variables.
1258 (pa_output_function_epilogue): Set in_section to NULL instead of
1259 calling forget_section.
1260 (output_deferred_plabels): Use select_section.
1261 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1262 of calling forget_section.
1263 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1264 (pa_asm_output_aligned_local): Use select_section.
1265 (som_text_section_asm_op): Delete in favor of...
1266 (som_output_text_section_asm_op): ...this new function.
1267 (pa_som_asm_init_sections): New function.
1268 (pa_select_section): Return the section rather than emitting
1270 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1271 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1272 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1273 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1274 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1275 (som_readonly_data_section, som_one_only_readonly_data_section)
1276 (som_one_only_data_section, forget_section): Delete.
1277 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1278 (TARGET_ASM_INIT_SECTIONS): Define.
1279 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1281 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1282 (private_data_section, read_only_private_data_section): New variables.
1283 (sdata2_section, toc_section): New variables.
1284 (rs6000_file_start): Use switch_to_section.
1285 (rs6000_assemble_integer): Use comparisons against in_section
1286 instead of calling in_toc_section and in_text_section. Use
1287 unlikely_text_section_p.
1288 (rs6000_elf_output_toc_section_asm_op): New function, derived
1289 from the old rs6000/sysv4.h toc_section function.
1290 (rs6000_elf_asm_init_sections): New function.
1291 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1292 the section rather than emitting assembly code.
1293 (machopic_output_stub): Use switch_to_section.
1294 (toc_section): Delete dummy function.
1295 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1296 switch_to_section and get_section.
1297 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1298 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1299 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1300 the old rs6000/xcoff.h toc_section function.
1301 (rs6000_xcoff_asm_init_sections): New function.
1302 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1303 the section rather than emitting assembly code.
1304 (rs6000_xcoff_file_start): Use switch_to_section.
1305 (rs6000_xcoff_file_end): Likewise.
1306 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1307 (sdata2_section, sbss_section, private_data_section): Delete.
1308 (read_only_data_section, read_only_private_data_section): Delete.
1309 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1310 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1311 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1312 (FINI_SECTION_FUNCTION): Delete.
1313 (TARGET_ASM_INIT_SECTIONS): Define.
1314 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1315 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1316 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1317 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1318 (READONLY_DATA_SECTION): Delete.
1319 (TARGET_ASM_INIT_SECTIONS): Define.
1320 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1321 to NULL rather than no_section.
1322 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1324 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1326 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1327 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1328 from call to current_function_section.
1330 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1331 (bss100_section): New variable.
1332 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1333 (xstormy16_asm_init_sections): New function.
1334 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1335 switch_to_section and get_section.
1336 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1337 from calls to current_function_section.
1338 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1339 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1340 (TARGET_ASM_INIT_SECTIONS): Define.
1341 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1343 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1344 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1345 (FINI_SECTION_FUNCTION): Delete.
1347 * config/v850/v850.c: Include gt-v850.h.
1348 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1349 (zbss_section): New variables.
1350 (v850_output_aligned_bss): Use switch_to_section.
1351 (v850_asm_init_sections): New function.
1352 (v850_select_section): Return the section rather than emitting
1354 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1355 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1356 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1357 (TARGET_ASM_INIT_SECTIONS): Define.
1358 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1359 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1360 (zbss_section): Delete.
1362 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1364 * config/vx-common.h (vxworks_exception_section): Delete.
1365 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1367 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1368 section rather than emitting assembly code.
1369 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1372 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1373 * coretypes.h (section): New union and typedef.
1374 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1375 from call to current_function_section.
1376 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1377 (dbxout_symbol_location): Use switch_to_section.
1378 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1379 most of the code into...
1380 (default_eh_frame_section): ...here. Return a section.
1381 (collect2_eh_frame_section): Delete, moving most of the code into..
1382 (switch_to_eh_frame_section): ...this new function.
1383 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1384 (debug_macinfo_section, debug_line_section, debug_loc_section)
1385 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1387 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1388 eh_frame_section. Use switch_to_section and get_section.
1389 (dwarf2out_begin_prologue): Use switch_to_section.
1390 (AT_string_form): Check the flags in debug_str_section instead of
1391 DEBUG_STR_SECTION_FLAGS.
1392 (output_comp_unit): Use switch_to_section, get_section, and
1394 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1395 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1396 from call to current_function_section.
1397 (dwarf2out_var_location): Use unlikely_text_section_p.
1398 (dwarf2out_source_line): Use switch_to_section. Remove argument
1399 from call to current_function_section.
1400 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1401 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1402 debug_macinfo_section.
1403 (dwarf2out_init): Initialize the new section variables. Use them
1404 instead of calls to named_section_flags. Use switch_to_section.
1405 (output_indirect_string): Use switch_to_section and debug_str_section.
1406 (dwarf2out_finish): Use switch_to_section and the new section
1408 * except.c (default_exception_section): Return the section instead
1409 of emitting assembly code.
1410 (output_function_exception_table): Use the global exception_section
1411 variable instead of the target hook. Use switch_to_section. Remove
1412 argument from call to current_function_section.
1413 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1414 (shorten_branches): Use pointer comparisons to detect whether the
1415 text section is the same as readonly_data_section.
1416 (profile_function): Use switch_to_section. Remove argument from
1417 call to current_function_section.
1418 (final_scan_insn): Likewise. Update use of last_text_section.
1419 * gengtype.c (open_base_files): Add an include of output.h.
1420 * output.h (text_section, data_section, readonly_data_section)
1421 (ctors_section, dtors_section, bss_section, init_section)
1422 (fini_section, sdata_section): Turn into section pointers.
1423 (in_text_section, in_unlikely_text_section, exports_section)
1424 (drectve_section, named_section, mergeable_string_section)
1425 (last_text_section_name): Delete.
1426 (default_exception_section, default_eh_frame_section): Return sections.
1427 (SECTION_DECLARED, SECTION_NAMED): New macros.
1428 (SECTION_MACH_DEP): Bump value.
1429 (section_common, named_section, unnamed_section): New structures.
1430 (unnamed_section_callback): New typedef.
1431 (section): New union.
1432 (sbss_section, exception_section, eh_frame_section): New variables.
1433 (in_section, last_text_section): Turn into section pointers.
1434 (get_unnamed_section, get_section, get_named_section): New functions.
1435 (mergeable_constant_section, function_section): Return a section.
1436 (unlikely_text_section): Likewise.
1437 (current_function_section): Likewise. Remove the decl argument.
1438 (unlikely_text_section_p, switch_to_section): New functions.
1439 (output_section_asm_op): New function.
1440 (set_named_section_flags, named_section_flags, named_section_real)
1441 (named_section_first_declaration): Delete.
1442 (default_select_section, default_elf_select_section): Return a section.
1443 (default_elf_select_section_1, default_function_rodata_section)
1444 (default_no_function_rodata_section, default_select_rtx_section)
1445 (default_elf_select_rtx_section): Likewise.
1446 * rtl.h (in_data_section): Delete.
1447 * sdbout.c (sdbout_one_type): Use switch_to_section.
1448 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1449 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1450 (TARGET_ASM_EH_FRAME_SECTION): Poison.
1451 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1452 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1453 (TARGET_ASM_OUT): Update after above changes.
1454 * target.h (init_sections): New hook.
1455 (exception_section, eh_frame_section): Delete.
1456 (select_section, select_rtx_section, function_rodata_section): Return
1457 a section rather than emitting assembly code.
1458 * varasm.c (text_section, data_section, readonly_data_section)
1459 (ctors_section, dtors_section, bss_section, init_section)
1460 (fini_section): Turn into section pointers.
1461 (sdata_section, sbss_section, exception_section): New variables.
1462 (eh_frame_section): New variable.
1463 (in_section): Make global and turn into a section pointer.
1464 (last_text_section): Turn into a section pointer.
1465 (unnamed_sections): New variable.
1466 (in_named_name, last_text_section_name): Delete.
1467 (EXTRA_SECTION_FUNCTIONS): Delete.
1468 (in_named_entry): Delete.
1469 (section_htab): New variable, replacing...
1470 (in_named_htab): ...this deleted variable.
1471 (section_entry_eq, section_entry_hash): New functions, based on...
1472 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1473 (get_unnamed_section, get_section): New functions.
1474 (unlikely_text_section): Return a section instead of emitting
1476 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1477 (get_named_section_flags, named_section_first_declaration): Delete.
1478 (unlikely_text_section_p): New function.
1479 (named_section_real, named_section): Delete.
1480 (get_named_section): New function.
1481 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1482 (function_section): Return a section rather than emitting
1484 (current_function_section): Likewise. Remove argument. Use
1485 last_text_section if nonnull, otherwise use function_section.
1486 (default_function_rodata_section): Return a section rather than
1487 emitting assembly code. Use get_section.
1488 (default_no_function_rodata_section): Return a section rather than
1489 emitting assembly code.
1490 (variable_section): Use switch_to_section and get_named_section.
1491 (mergeable_string_section): Return a section rather than emitting
1492 assembly code. Use get_section. Make static. Don't take special
1493 countermeasures for empty strings.
1494 (mergeable_constant_section): Return a section rather than emitting
1495 assembly code. Use get_section.
1496 (default_named_section_asm_out_destructor): Use switch_to_section
1498 (default_dtor_section_asm_out_destructor): Use switch_to_section.
1499 (default_named_section_asm_out_constructor): Use switch_to_section
1501 (default_ctor_section_asm_out_constructor): Use switch_to_section.
1502 (assemble_start_function): Likewise. Set last_text_section to
1503 NULL rather than no_section. Change the type of save_section.
1504 (assemble_zeros, assemble_variable): Use the section flags to detect
1505 whether or not a section is text.
1506 (assemble_static_space): Use switch_to_section.
1507 (assemble_trampoline_template): Likewise.
1508 (output_constant_def_contents): Use switch_to_section and
1510 (output_constant_pool_1): Use switch_to_section. Use the section
1511 flags to see whether sections contain mergeable data.
1512 (init_varasm_once): Initialize section_htab instead of in_named_htab.
1513 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
1514 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1515 whether a section has already been declared.
1516 (default_select_section, default_elf_select_section): Return a
1517 section rather than emitting assembly code.
1518 (default_elf_select_section_1): Likewise. Use bss_section for
1519 SECCAT_BSS if nonnull. Use get_named_section.
1520 (default_select_rtx_section): Return a section rather than
1521 emitting assembly code.
1522 (default_elf_select_rtx_section): Likewise. Use get_named_section.
1523 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1524 (output_section_asm_op, switch_to_section): New functions.
1525 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1528 * doc/tm.texi: Expand the introduction to the sections documentation.
1529 (TRAMPOLINE_SECTION): Document new interface.
1530 (SDATA_SECTION_ASM_OP): Document new macro.
1531 (READONLY_DATA_SECTION): Delete.
1532 (SDATA_SECTION_ASM_OP): Document new macro.
1533 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1534 (TARGET_ASM_INIT_SECTIONS): Document new hook.
1535 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1536 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1537 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1539 2005-12-07 Alan Modra <amodra@bigpond.net.au>
1541 * gcc.c (init_gcc_specs): Match braces inside conditionally
1544 2005-12-06 Geoffrey Keating <geoffk@apple.com>
1546 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1548 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
1551 * tree.c (integer_all_onesp): Always return true if all bits on.
1553 * testsuite/g++.dg/init/array0.C: New.
1555 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
1557 * doc/md.texi: Adapt to implementation.
1559 2005-12-06 Andreas Schwab <schwab@suse.de>
1561 * opts.c (decode_options): Fix typo in message.
1563 2005-12-06 Alan Modra <amodra@bigpond.net.au>
1566 * longlong.h: Merge PPC tests from upstream.
1568 2005-12-06 Richard Guenther <rguenther@suse.de>
1570 * fold-const.c (fold_convert): Do not build and fold
1571 CONVERT_EXPR, but always use NOP_EXPR.
1573 2005-12-06 Jan Beulich <jbeulich@novell.com>
1575 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1576 __builtin_ia32_paddq and __builtin_ia32_subq.
1577 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1578 __builtin_ia32_pshufw.
1579 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1581 2005-12-05 James E Wilson <wilson@specifix.com>
1584 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1587 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
1589 * print-tree.c (print_node): Ditto.
1590 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1591 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1592 before accessing DECL_ARTIFICIAL.
1593 Handle new tag tree codes.
1594 * tree-flow-inline.h (clear_call_clobbered): Update for tag
1596 (unmodifiable_var_p): Ditto.
1597 * tree-flow.h (mem_tag_kind): Remove.
1598 (struct var_ann_d): Remove mem_tag_kind member.
1599 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1600 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1601 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1602 (group_aliases): Ditto.
1603 (setup_pointers_and_addressables): Ditto.
1604 (is_escape_site): Ditto.
1605 (may_alias_p): Ditto.
1606 (create_tag_raw): New function.
1607 (create_memory_tag): Use it.
1608 (dump_alias_info): Update for tags.
1609 (may_be_aliased): Ditto.
1610 (add_type_alias): Ditto.
1611 (new_type_alias): Ditto.
1612 (create_sft): Ditto.
1613 (create_structure_vars): Ditto.
1614 * tree-ssa-ccp.c (get_default_value): Ditto.
1615 * tree-ssa-operands.c (get_expr_operands): Ditto.
1616 (add_stmt_operand): Ditto.
1617 (add_call_clobber_ops): Remove duplicated condition.
1618 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1620 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1621 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1622 * tree.c (init_ttree): Update structures for new tree codes.
1623 (tree_code_size): Update sizes for new tree codes.
1624 (make_node_stat): Don't try to set common things on minimal
1626 (tree_node_structure): Update for tags.
1627 (is_global_var): Ditto.
1628 * tree.def: Add new tree codes.
1629 * tree.h (MTAG_P): New macro.
1630 (TREE_MEMORY_TAG_CHECK): Ditto.
1631 (SSA_VAR_P): Update for tags.
1632 (struct tree_memory_tag): New structure.
1633 (MTAG_GLOBAL): New macro.
1634 (union tree_node): Add memory tag member.
1635 * treestruct.def (TS_MEMORY_TAG): New.
1637 2005-12-05 Dale Johannesen <dalej@apple.com>
1639 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
1640 what was approved (PR 24323).
1642 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
1644 * doc/c-tree.texi (Function Bodies): Remove description of
1647 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
1649 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1650 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1651 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1652 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1653 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1654 __divxc3): Document.
1656 2005-12-05 Geoffrey Keating <geoffk@apple.com>
1658 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1660 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1661 hook_bool_void_false.
1662 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1663 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1665 * config/darwin.c (machopic_select_section): It's not defined
1666 as weak if it's only marked as weak_import.
1668 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1671 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1672 A hidden weak object does bind locally. Strong linkonce data
1673 counts like any other strong symbol for binding.
1674 (weak_finish_1): Don't specially handle weakrefs, they no longer
1676 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1677 * c-common.c (handle_alias_attribute): Allow static aliases
1679 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1680 * gthr-dce.h: Make weakrefs static.
1681 * gthr-tpf.h: Likewise.
1682 * gthr-solaris.h: Likewise.
1683 * gthr-posix.h: Likewise.
1684 * gthr-posix95.h: Likewise.
1685 * config/darwin.c (darwin_encode_section_info): static weakref
1686 variables are not necessarily defined in this translation unit.
1687 * doc/extend.texi (Function Attributes): Mention that an alias
1688 attribute creates a definition for the thing it's attached to.
1689 Change the documentation for weakref to say that the thing
1690 it's attached to must be static.
1692 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1693 we don't go into an infinite loop.
1695 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
1697 * config/rs6000/predicates.md (logical_const_operand): Split
1698 out of logical_operand.
1699 (logical_operand): Use it.
1700 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1701 logical_const_operand.
1703 2005-12-05 Jan Beulich <jbeulich@novell.com>
1705 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1706 and IX86_BUILTIN_CMPNESS.
1707 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1708 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1709 * config/i386/i386.md (movti_internal): Correct type attribute.
1710 Simplify mode attribute.
1711 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1712 Correct type attribute.
1713 (absxf2): Correct operator.
1714 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1715 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1716 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1718 (sse2_vmsqrtv2df2): Correct mode attribute.
1720 2005-12-05 Jan Beulich <jbeulich@novell.com>
1722 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1723 16 bits. Provide insn pattern for this case.
1725 2005-12-05 Jan Beulich <jbeulich@novell.com>
1727 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1729 (__popcountDI2): Likewise.
1731 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1734 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1735 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1736 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1739 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1741 * c-typeck.c (null_pointer_constant_p): New function.
1742 (build_conditional_expr, build_c_cast, convert_for_assignment,
1743 build_binary_op): Use it.
1745 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1747 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1748 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1750 (check_function_arguments_recurse): Allow both NOP_EXPR and
1751 CONVERT_EXPR but check conversions preserve precision.
1752 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1753 but check conversions preserve precision.
1754 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
1757 2005-12-04 Roger Sayle <roger@eyesopen.com>
1760 * common.opt (Wstring-literal-comparison): New command line option.
1761 * c-opts.c (c_common_handle_option): Set it with -Wall.
1762 * c-typeck.c (parser_build_binary_op): Issue warning if either
1763 operand of a comparison operator is a string literal, except for
1764 testing equality or inequality against NULL.
1766 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1768 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1770 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1771 of building a NOP_EXPR.
1772 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
1774 * c-convert.c (convert): Use fold_convert instead of building
1775 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
1776 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
1778 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1779 NOP_EXPR the same as CONVERT_EXPR.
1780 * c-typeck.c (build_function_call): Use fold_convert instead of
1781 building a NOP_EXPR directly.
1782 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1784 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1786 PR rtl-optimization/25197
1787 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1790 2005-12-02 Stuart Hastings <stuart@apple.com>
1792 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1795 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1797 * c-typeck.c (default_function_array_conversion,
1798 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1799 (build_conditional_expr): Apply integer_zerop to orig_op1 and
1800 orig_op2. Don't check them for NOP_EXPR.
1801 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1802 around integer zero.
1804 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1806 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1807 toc_save_offset, toc_size, lr_size.
1808 (rs6000_stack_info): Use memset rather than bss struct copy to init.
1809 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1810 Adjust for removal of unused rs6000_stack_t fields.
1811 (debug_stack_info): Adjust.
1812 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
1813 first, and don't bother checking for set/inc of lr on sibcalls.
1814 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1816 2005-12-02 Jakub Jelinek <jakub@redhat.com>
1819 * config/i386/i386.md (movqi_1): Only force imovx for alternative
1820 5 if operand 1 is not aligned. Undo previous constraint change.
1821 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1823 2005-12-02 Richard Guenther <rguenther@suse.de>
1825 * tree.h (build): Remove prototype.
1826 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1827 * tree.c (build): Remove.
1828 (build0_stat): Update comment.
1830 2005-12-02 Richard Guenther <rguenther@suse.de>
1832 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1833 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1835 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1836 maybe_fold_offset_to_component_ref): Likewise.
1837 * tree-ssa-dom.c (thread_across_edge,
1838 simplify_rhs_and_lookup_avail_expr,
1839 find_equivalent_equality_comparison, record_equivalences_from_stmt):
1841 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1842 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1843 lower_try_finally_switch): Likewise.
1844 * tree-if-conv.c (add_to_dst_predicate_list,
1845 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1846 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1847 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1848 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1849 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1850 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1851 gimplify_init_ctor_eval, gimplify_init_constructor,
1852 gimplify_variable_sized_compare, gimplify_boolean_expr,
1853 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1854 gimplify_expr, gimplify_body, gimplify_function_tree,
1855 force_gimple_operand): Likewise.
1856 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1857 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1858 mx_register_decls): Likewise.
1859 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1860 get_frame_field, finalize_nesting_tree_1): Likewise.
1861 * tree-inline.c (setup_one_parameter): Likewise.
1862 * tree-vect-transform.c (vectorizable_condition): Likewise.
1863 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1865 * tree-profile.c (tree_gen_edge_profiler): Likewise.
1866 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1867 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1868 * tree-chrec.h (build_polynomial_chrec): Likewise.
1870 2005-12-02 Richard Guenther <rguenther@suse.de>
1872 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1873 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1874 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1875 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1876 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1877 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1878 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1880 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1881 sh_adjust_unroll_max): Likewise.
1882 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1883 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1884 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1886 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1888 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1891 2005-12-02 Richard Guenther <rguenther@suse.de>
1893 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1894 simplify_cond_using_ranges): Use buildN instead of build.
1895 * tree-tailcall.c (adjust_accumulator_values,
1896 adjust_return_value): Likewise.
1897 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1898 generate_element_copy, generate_element_zero,
1899 generate_one_element_init): Likewise.
1900 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1901 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1902 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1903 perfect_nestify): Likewise.
1905 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1907 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1909 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
1911 * ggc.h (GGC_RESIZEVEC): New.
1913 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1915 * gcc.c (execute): Improve readability.
1917 2005-12-02 Richard Guenther <rguenther@suse.de>
1919 * tree-cfg.c (mark_used_vars): New function.
1920 (dump_function_to_file): Dump only used VAR_DECLs.
1922 2005-12-02 Richard Guenther <rguenther@suse.de>
1924 * convert.c (convert_to_integer): Fix compare for nonpositive
1925 constant to use tree_int_cst_sgn <= 0.
1927 2005-12-02 Richard Guenther <rguenther@suse.de>
1929 * convert.c (convert_to_integer): Use fold_convert instead
1930 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
1931 instead of comparing against 0. Use build_int_cst instead
1932 of converting integer_zero_node.
1934 2005-12-02 Richard Guenther <rguenther@suse.de>
1936 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1939 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1942 * combine.c (simplify_logical <IOR>): Simplify more patterns to
1945 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1948 * function.c (expand_function_end): Emit blockage for unwinder
1951 2005-12-01 Roger Sayle <roger@eyesopen.com>
1953 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1954 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1955 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1956 integer constant comparisons.
1958 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
1959 Janis Johnson <janis187@us.ibm.com>
1960 David Edelsohn <dje@watson.ibm.com>
1961 Ben Elliston <bje@au.ibm.com>
1963 * dfp.h, dfp.c: New files.
1964 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1965 (DECNUM_H): Likewise.
1966 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1967 (INCLUDES): Append $(DECNUMINC).
1968 (OBJS-common): Add dfp.o.
1970 * real.h (EXP_BITS): Pinch one bit to ..
1971 (struct real_value): Add decimal field.
1972 (real_format): Change table size, update documentation.
1973 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1974 (real_from_string3): Declare.
1975 (decimal_single_format): Declare.
1976 (decimal_double_format): Declare.
1977 (decimal_quad_format): Declare.
1978 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1979 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1980 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1981 * real.c: Include dfp.h.
1982 (normalize): Early return for decimal floats.
1983 (do_add): Zero decimal field.
1984 (do_compare): Call do_decimal_compare for decimal floats.
1985 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1986 (real_arithmetic): Call decimal_real_arithmetic for decimal
1987 floating point operands.
1988 (real_identical): If a and b are of differing radix, return false.
1989 (real_to_integer): Call decimal_real_to_integer if the value is a
1991 (real_to_integer2): Likewise, call decimal_real_to_integer2.
1992 (real_to_decimal): Likewise, call decimal_real_to_decimal.
1993 (real_to_hexadecimal): Place "N/A" in the return string for
1995 (real_from_string3): New variant, given a mode.
1996 (real_maxval): Use decimal_real_maxval for decimal floats.
1997 (round_for_format): Use decimal_round_for_format for decimals.
1998 (real_convert): Use decimal_real_convert where appropriate.
1999 (significand_size): Handle base 10.
2000 (encode_decimal_single, decode_decimal_single,
2001 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2002 decode_decimal_quad): New functions.
2003 (decimal_single_format): New.
2004 (decimal_double_format): New.
2005 (decimal_quad_format): New.
2006 * machmode.def: Add SD, DD and TD decimal floating point modes.
2007 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2008 Include MODE_DECIMAL_FLOAT.
2009 (DECIMAL_FLOAT_MODE_P): New.
2010 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2011 * genmodes.c (struct mode_data): Add counter field.
2012 (struct mode_data): Update comment for format.
2013 (blank_mode): Initialise counter field.
2014 (new_mode): Increment counter field for each mode defined.
2015 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2017 (make_complex_modes): Handle modes containing `D'.
2018 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2019 (make_decimal_float_mode): New.
2020 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2021 (cmp_modes): Compare counter field if other characteristics
2023 (emit_real_format_for_mode): Support formats for decimal floats.
2024 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2025 Document MODE_DECIMAL_FLOAT.
2027 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2029 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2032 2005-12-01 Richard Henderson <rth@redhat.com>
2034 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2036 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2038 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2040 * config/pa/pa.c (pa_init_builtins): If we detect
2041 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2044 2005-12-01 Richard Guenther <rguenther@suse.de>
2046 * fold-const.c (fold_binary): Use fold_build2, not
2049 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2051 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2053 * vec.h (VEC_block_remove): New.
2055 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2058 * c-common.c (lvalue_error): Fix wording.
2060 2005-12-01 Richard Guenther <rguenther@suse.de>
2062 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2063 thinko in last patch.
2065 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2067 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2068 than -flat_namespace.
2070 2005-12-01 Ben Elliston <bje@au.ibm.com>
2072 * mklibgcc.in: Parameterise the script to build soft float
2073 functions by iterating over each type, rather than cloning the
2076 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2079 * builtins.c (fold_builtin_fputs): Defer check for missing
2080 replacement functions.
2082 2005-11-30 Kean Johnston <jkj@sco.com>
2084 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2085 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2087 2005-11-30 Richard Guenther <rguenther@suse.de>
2089 PR tree-optimization/22501
2090 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2091 function split out from ...
2092 (forward_propagate_addr_expr): ... here. Use it to propagate
2093 ADDR_EXPRs to all uses.
2095 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2097 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2098 * builtins.c (expand_builtin_mathfn): Use them.
2099 (expand_builtin_mathfn_2): Likewise.
2100 (expand_builtin_mathfn_3): Likewise.
2101 (expand_builtin_int_roundingfn): Likewise.
2102 (expand_builtin): Likewise.
2103 (integer_valued_real_p): Likewise.
2104 (fold_builtin_int_roundingfn): Likewise.
2105 (fold_builtin_bitop): Likewise.
2106 (fold_builtin_logarithm): Likewise.
2107 (fold_builtin_1): Likewise.
2108 * convert.c (convert_to_integer): Likewise.
2109 * fold-const.c (negate_mathfn_p): Likewise.
2110 (tree_expr_nonnegative_p): Likewise.
2112 2005-11-30 Dale Johannesen <dalej@apple.com>
2113 Andrew Pinski <pinskia@physics.uc.edu>
2115 * combine.c (find_split_point): Sign extend bitmask
2116 when changing bitfield assignment to IOR of AND.
2118 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2120 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2121 clobber to scratch reg.
2122 (*decrement_and_branch_until_zero_no_clobber): Remove.
2123 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2124 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2125 * config/ms1/ms1.opt (mmul): Remove.
2126 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2127 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2129 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2130 Bernd Schmidt <bernd.schmidt@analog.com>
2132 * pa/predicates.md (symbolic_operand): Add comment.
2133 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2134 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2135 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2136 (pa_secondary_reload_class): Delete.
2137 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2138 and pa_secondary_reload_class. Reorder some checks. Update inline
2139 copy of symbolic operand.
2140 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2142 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2144 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2147 2005-11-30 Jeff Law <law@redhat.com>
2149 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2150 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2152 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2154 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2155 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2156 (ia64_expand_move): Adjust caller.
2158 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2159 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2162 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2164 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2165 Always produce an output if we can remove NEGs or canonicalize
2166 (minus (minus ...)) expressions. Provide a fast path for the
2168 (simplify_gen_binary): Do not call simplify_plus_minus.
2169 (simplify_binary_operation_1): Reassociate at the end of the
2172 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2174 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2175 moves and unpack to speed up.
2177 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2179 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2180 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2181 (gen_v9_scc): Update callers.
2182 * config/sparc/sparc.md: Likewise.
2183 * config/sparc/sparc-protos.h: Update extern declaration.
2185 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2187 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2189 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2192 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2194 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2195 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2196 (negate_expr): Here.
2198 2005-11-29 Ben Elliston <bje@au.ibm.com>
2200 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2201 Fix typo in comment.
2203 2005-11-29 Ben Elliston <bje@au.ibm.com>
2205 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2206 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2208 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2212 * builtins.c (init_target_chars): New.
2213 (expand_builtin_printf, expand_builtin_fprintf,
2214 expand_builtin_sprintf, fold_builtin_sprintf,
2215 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2216 fold_builtin_snprintf_chk, fold_builtin_printf,
2217 fold_builtin_fprintf): Check for matching format strings using
2220 2005-11-29 Paul Brook <paul@codesourcery.com>
2222 * config.gcc: Do not use fixproto on m68k-elf.
2224 2005-11-28 Roger Sayle <roger@eyesopen.com>
2226 * expmed.c (div_cost): Replace with...
2227 (sdiv_cost, udiv_cost): New.
2228 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2229 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2230 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2231 (expand_divmod): Replace use of div_cost with either sdiv_cost
2232 or udiv_cost depending upon the signedness of the operation.
2234 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2237 * config/darwin.c (machopic_indirection_name,
2238 machopic_output_indirection): Follow transparent alias chain.
2240 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2242 * varasm.c (ultimate_transparent_alias_target): Add comment.
2244 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2246 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2247 SET_SRC instead of XEXP where appropriate.
2249 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2251 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2254 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2256 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2257 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2260 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2262 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2263 secondary_input_reload_class, made static. Adapt to new
2265 (secondary_output_reload_class): Delete.
2266 (TARGET_SECONDARY_RELOAD): New macro.
2267 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2268 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2270 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2273 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2274 when its natural alignment is > BITS_PER_UNIT.
2275 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2276 * c-common.c (handle_packed_attribute): Ignore packing on a field
2277 whose type is naturally char aligned.
2279 2005-11-28 Richard Guenther <rguenther@suse.de>
2281 * c-common.c (strict_aliasing_warning): Handle all
2282 component-ref like accesses.
2284 2005-11-28 Roger Sayle <roger@eyesopen.com>
2285 Uros Bizjak <uros@kss-loka.si>
2288 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2289 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2290 when flag_unsafe_math_optimizations is set and
2291 we don't care about NaNs or Infinities.
2293 Move x/expN(y) and x/pow(y,z) transformation into common
2294 flag_unsafe_math_optimizations section.
2296 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2298 * gcc.c (main): Change type of argv to "char **".
2300 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2302 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2303 small data sections.
2304 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2305 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2306 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2307 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2308 output locals to sbss if !rs6000_elf_in_small_data_p.
2309 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2311 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2314 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2315 generated by reload.
2316 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2317 indexed_or_indirect_address.
2318 (indexed_or_indirect_address): Don't test for base reg. Call
2319 address_operand last. Make it a special predicate.
2321 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2323 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2325 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2328 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2330 (negate_expr): Likewise.
2332 2005-11-27 Andreas Schwab <schwab@suse.de>
2334 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2337 2005-11-27 Steven Bosscher <stevenb@suse.de>
2339 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2340 has EH predecessor edges.
2342 2005-11-26 Eric Christopher <echristo@apple.com>
2344 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2345 register stalls by zero extending to the full register.
2347 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2349 * config/floatunsisf.c, config/floatunsidf.c,
2350 config/floatunsixf.c, config/floatunsitf.c: New files.
2351 * config/ia64/t-hpux: Add floatunsitf.c.
2352 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2353 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2355 2005-11-26 Richard Henderson <rth@redhat.com>
2357 * c-lex.c (pragma_lex): Rename from c_lex.
2358 * c-pch.c: Update for pragma_lex rename.
2359 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2360 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2361 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2362 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2363 * doc/tm.texi: Likewise.
2365 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2368 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2369 when overflow is undefined.
2371 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2373 * doc/md.texi (Insn Canonicalizations): Refer to the
2374 function commutative_operand_precedence for further rules.
2376 2005-11-25 Roger Sayle <roger@eyesopen.com>
2379 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2380 is less than zero. Limit mult_cost to a reasonable upper bound for
2381 the synthetic multiplication sequence.
2383 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2386 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2387 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2388 Lookup the explicit replacement functions for any unlocked
2389 stdio builtin transformations.
2391 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2393 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2395 * targhooks.c (default_secondary_reload): Don't require operand 2
2396 for an input reload to be earlyclobber.
2398 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2400 * fold-const.c (negate_mathfn_p): Fix comment and add support
2401 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2404 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2407 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2408 _Q_ulltoq for unsigned conversions from SImode and DImode to
2411 2005-11-25 Alan Modra <amodra@bigpond.net.au>
2413 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2414 (__floatundidf, __floatundisf): Likewise.
2416 2005-11-25 David Edelsohn <edelsohn@gnu.org>
2418 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2419 (rs6000_override_options): Remove initialization of
2420 rs6000_sr_alias_set.
2421 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2422 (rs6000_emit_stack_tie): Same.
2423 (emit_frame_save): Same.
2424 (gen_frame_mem_offset): Same.
2425 (rs6000_emit_prologue): Same.
2426 (rs6000_emit_epilogue): Same.
2428 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2431 * fold-const.c (fold_build): Convert bool_var != 1 and
2432 bool_var == 0 to !bool_var.
2434 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2437 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2438 for C being INTEGER_CST. Likewise for !=.
2440 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2443 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2444 unsigned conversions from SImode to TFmode.
2446 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
2448 * expr.c (expand_expr_real_1): Fix error in last change.
2450 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2452 * caller-save.c: (this_insn_sets): Move into:
2453 (save_call_clobbered_regs).
2454 (mark_set_regs): Get this_insn_sets from data.
2456 (save_call_clobbered_regs): Take sets of the return value by
2457 sibcalls into account.
2459 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2462 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2463 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2464 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2465 (memory_move_secondary_cost, init_reg_autoinc): Remove
2466 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2467 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2468 secondary_reload_class call.
2469 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
2471 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2472 (push_secondary_reload): Use secondary_reload target hook.
2473 (secondary_reload_class, scratch_reload_class): New functions.
2474 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2475 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
2476 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2477 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2478 (secondary_reload_class, scratch_reload_class): Declare.
2479 * reload1.c: Include target.h.
2480 (reload_adjust_reg_for_temp): New function.
2481 (reload_adjust_reg_for_icode): Likewise.
2482 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2483 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2485 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
2486 for inheritance. Support case when both secondary & tertiary reloads
2487 are for intermediate registers.
2488 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2489 with secondary_reload_class call. Support case when both secondary
2490 & tertiary reloads are for intermediate registers.
2491 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2492 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2493 * target.h (secondary_reload_info): New struct / typedef.
2494 (struct gcc_target): New member secondary_reload.
2495 * targhooks.c Include reload.h, optabs.h and recog.h.
2496 (default_secondary_reload): New function.
2497 * targhooks.h (default_secondary_reload): Declare.
2498 * doc/tm.texi: Document secondary_reload target hook. Update
2499 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2500 * doc/md.texi: Likewise.
2502 * sh-protos.h (sh_secondary_reload): Declare.
2503 * sh.c (TARGET_SECONDARY_RELOAD): Override.
2504 (sh_secondary_reload): New function.
2505 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2506 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2507 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2508 (HAVE_SECONDARY_RELOADS): Define.
2509 * sh.md (reload_indf): Rename to:
2511 (reload_outdf): Rename to:
2512 (reload_outdf__RnFRm).
2513 (reload_insf): Rename to:
2515 (reload_insi): Rename to:
2516 (reload_insi__i_fpul).
2518 2005-11-24 Uros Bizjak <uros@kss-loka.si>
2520 * configure.ac: Require at least texinfo 4.4.
2521 * configure: Regenerate.
2523 * doc/install.texi (Tools/packages necessary for building GCC):
2524 Update required version of texinfo to at least 4.4.
2525 (Installing GCC: Building): Update required version of texinfo
2527 (Installing GCC: Final installation): Update required version
2528 of texi2dvi to at least 4.4.
2529 (Host/target specific installation notes for GCC): Update required
2530 version of texinfo to at least 4.4.
2532 2005-11-24 Richard Guenther <rguenther@suse.de>
2533 Dirk Mueller <dmueller@suse.de>
2536 * c-common.h (strict_aliasing_warning): Declare.
2537 * c-common.c (strict_aliasing_warning): New function,
2539 * c-typeck.c (build_c_cast): ... here.
2541 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2543 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2545 (swap_commutative_operands_with_target): New.
2547 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2549 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2550 also when doing PRE, rather than only for global CPROP.
2552 2005-11-24 Ben Elliston <bje@au.ibm.com>
2554 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2555 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2557 (expand_twoval_unop): Likewise.
2558 (widen_clz): Likewise.
2559 (expand_parity): Likewise.
2560 (expand_unop): Likewise.
2561 (emit_cmp_and_jmp_insn_1): Likewise.
2562 (prepare_float_lib_cmp): Likewise.
2564 2005-11-24 Ben Elliston <bje@au.ibm.com>
2566 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2567 Remove unused `class' variable.
2569 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2572 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
2573 C/C++ diagnostic function warn_array_subscript_with_type_char.
2574 * c-common.h (warn_array_subscript_with_type_char): Declare.
2575 * c-common.c (warn_array_subscript_with_type_char): Define.
2577 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2580 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2581 compiling at the intersection of C and C++.
2583 2005-11-23 Mark Mitchell <mark@codesourcery.com>
2585 * doc/invoke.texi: For man pages, include gcc-vers.texi.
2586 List @file in the option summary. Include the libiberty
2587 documentation for @file.
2588 * gcc.c (main): Call expandargv.
2589 * Makefile.in (gcc-vers.texi): Define srcdir.
2591 2005-11-23 Diego Novillo <dnovillo@redhat.com>
2593 * passes.c (init_optimization_passes): Document
2594 sequencing of passes.
2596 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
2598 * config/m68k/predicates.md (pcrel_address, extend_operator,
2599 post_inc_operand, pre_dec_operand): Remove redundant
2601 (const_uint32_operand, const_sint32_operand): Use gcc_assert
2603 (valid_dbcc_comparison_p): Rewrite in the lisp style.
2605 2005-11-23 Ben Elliston <bje@au.ibm.com>
2607 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2609 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
2611 Preparatory work for PR target/21623:
2612 * alpha.c (secondary_reload_class): Rename to:
2613 (alpha_secondary_reload_class).
2614 * alpha.h, alpha-protos.h: Likewise.
2615 * mn10300.c (secondary_reload_class): Rename to:
2616 (mn10300_secondary_reload_class).
2617 * mn10300.h, mn10300-protos.h: Likewise.
2618 * pa.c (secondary_reload_class): Rename to:
2619 (pa_secondary_reload_class).
2620 * pa.h, pa-protos.h: Likewise.
2621 * rs6000.c (secondary_reload_class): Rename to:
2622 rs6000_secondary_reload_class.
2623 * rs6000.h, rs6000-protos.h: Likewise.
2625 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
2628 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2630 2005-11-22 Ian Lance Taylor <ian@airs.com>
2632 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2634 (prepare_cmp_insn): Likewise.
2636 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
2639 * m68k.md (zero_extendsidi2): Force operands[1] to a register
2640 if both operands[0] and operands[1] are memory.
2642 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2645 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2646 COMPARISON_CLASS_P and an integral types create create a new
2647 expression with the new type and fold that.
2649 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2652 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2653 to SUBTARGET_OS_CPP_BUILTINS.
2655 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
2657 * arm.c (emit_set_insn): New function.
2658 (arm_split_constant): Call it.
2659 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2660 (arm_legitimize_address): Likewise. Use plus_constant.
2661 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
2662 (thumb_expand_prologue): Likewise.
2663 (arm_gen_load_multiple): Use VOIDmode in SET.
2664 (arm_gen_store_multiple): Likewise.
2665 (vfp_emit_fstmx): Likewise. Use plus_constant.
2666 (emit_multi_reg_push): Likewise.
2667 (emit_sfm): Use plus_constant.
2669 2005-11-23 Alan Modra <amodra@bigpond.net.au>
2672 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2675 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2678 * expmed.c (store_bit_field): Don't attempt to insv a field
2679 larger than the reg.
2681 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2684 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2685 explicit sign extension, not a (char) cast.
2687 2005-11-22 Ben Elliston <bje@au.ibm.com>
2689 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2690 GET_MODE_CLASS (x) == MODE_FLOAT.
2691 * config/i386/i386.c: Likewise.
2692 * config/rs6000/xcoff.h: Likewise.
2693 * config/rs6000/linux64.h: Likewise.
2694 * config/rs6000/rs6000.c: Likewise.
2695 * config/rs6000/rs6000.h: Likewise.
2696 * config/rs6000/predicates.md: Likewise.
2697 * config/rs6000/sysv4.h: Likewise.
2699 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2701 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2704 * config/alpha/freebsd.h, config/alpha/linux.h,
2705 config/arm/linux-elf.h, config/bfin/bfin.h,
2706 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2707 config/i386/beos-elf.h, config/i386/gnu.h,
2708 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2709 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2710 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2711 config/rs6000/linux64.h, config/rs6000/sysv4.h,
2712 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2713 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2714 config/sparc/linux.h, config/sparc/linux64.h,
2715 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2717 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2718 are both defined when either flag -fpic or -fPIC are used.
2720 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2722 * config/fp-bit.c (clzusi): New function.
2723 (si_to_float, usi_to_float): Use it to compute proper shift.
2724 (usi_to_float): Preserve guard bits when shifting right.
2725 * libgcc-std.ver (GCC_4.2.0): New version.
2726 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2727 __floatundisf): New functions.
2728 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2729 __floatundisf): Declare.
2730 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2731 _floatundixf, and _floatunditf.
2732 * optabs.c (expand_float): If target does not define a pattern for
2733 signed or unsigned conversion, use an unsigned libcall instead of
2735 (init_optabs): Initialize ufloat_optab.
2737 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2739 * config/rs6000/rs6000.opt (mmulhw): New option.
2740 * doc/invoke.texi (-mmulhw): Document.
2741 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2743 * config/rs6000/rs6000.md: Add half-word multiply and
2744 multiply-accumulate instructions for 405 and 440.
2746 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
2748 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2749 which matches behavior of gcc 4.0 and older for RTEMS targets. The
2750 default now includes a linker group which makes the RTEMS one nest.
2752 2005-11-22 Ben Elliston <bje@au.ibm.com>
2754 * cse.c (fold_rtx): Typo fix.
2755 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2757 2005-11-21 Richard Henderson <rth@redhat.com>
2759 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2760 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2762 * c-tree.h (lookup_name): Move declaration ...
2763 * c-common.h (lookup_name): ... here.
2764 * config/darwin-c.c: Include c-common.h.
2765 * config/t-darwin: Update dependencies.
2767 2005-11-22 Ben Elliston <bje@au.ibm.com>
2769 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2770 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2771 * genopinit.c (gen_insn): Likewise.
2772 * reload.c (find_equiv_reg): Likewise.
2773 * loop.c (load_mems): Likewise.
2774 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2775 * cse.c (find_comparison_args, fold_rtx): Likewise.
2776 * dwarf2out.c (add_const_value_attribute): Likewise.
2777 * expr.c (convert_move): Likewise.
2778 * recog.c (general_operand, register_operand): Likewise.
2779 * reg-stack.c (replace_reg): Likewise.
2780 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2781 * c-common.c (handle_vector_size_attribute): Likewise.
2782 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2783 (simplify_binary_operation_1): Likewise.
2784 (simplify_const_binary_operation): Likewise.
2785 (simplify_relational_operation): Likewise.
2786 (simplify_const_relational_operation): Likewise.
2787 (simplify_immed_subreg): Likewise.
2788 * emit-rtl.c (gen_lowpart_common): Likewise.
2789 * expmed.c (expand_mult): Likewise.
2790 * stor-layout.c (layout_type): Likewise.
2792 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
2795 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2796 cst2 only for SPE vectors.
2798 2005-11-21 David Edelsohn <edelsohn@gnu.org>
2801 * config/rs6000/predicates.md (vrsave_operation): Check
2802 UNSPEC_VOLATILE value.
2804 2005-11-21 Jan Hubicka <jh@suse.cz>
2806 PR tree-optimization/24653
2807 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2809 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2811 * config/i386/predicates.md (ax_reg_operand): New predicate.
2812 (memory_displacement_only_operand): New predicate.
2813 * config/i386/i386.md ("modrm" attribute): Return 0 if one
2814 operand is AX register and the other operand is memory operand
2815 with displacement only.
2817 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2819 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2820 if we don't care about NaNs or Infinities.
2822 2005-11-20 Ian Lance Taylor <ian@airs.com>
2824 PR rtl-optimization/24883
2825 * combine.c (combinable_i3pat): When checking whether the
2826 destination of i3 is used in i3, consider paradoxical subregs.
2828 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
2831 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2833 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
2835 * combine.c (try_combine): Do not run subst on i1src and i2src in
2836 the case of generating a PARALLEL for a comparison.
2838 2005-11-20 Richard Henderson <rth@redhat.com>
2841 * tree-sra.c (struct sra_elt): Add all_no_warning.
2842 (struct sra_walk_fns) <use>: Add use_all argument.
2843 (sra_walk_expr): Pass it.
2844 (sra_walk_modify_expr): Likewise.
2845 (scalarize_ldst): Likewise.
2846 (scan_use): Update for new argument.
2847 (mark_no_warning): New.
2848 (scalarize_use): Use it.
2850 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2852 * expr.c (expand_expr_real): Use usmul_optab for widening
2853 signed * unsigned multiplies.
2854 * genopinit.c (optabs): Add usmul_widen_optab.
2855 * optabs.c (init_optabs): Likewise.
2856 * optabs.h (enum optab_index): Add OTI_usmul_widen.
2857 (usmul_widen_optab): Define.
2858 * config/bfin/bfin.md (usmulhisi3): New pattern.
2860 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2862 2005-11-20 Graham Stott <btinternet.com>
2864 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2866 2005-11-20 Andreas Schwab <schwab@suse.de>
2869 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2872 2005-11-19 Richard Henderson <rth@redhat.com>
2875 * tree-gimple.c (is_gimple_id): Export.
2876 * tree-gimple.h (is_gimple_id): Declare.
2877 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2878 (get_default_value): Use it.
2879 (maybe_fold_stmt_indirect): Likewise.
2881 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
2883 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2884 than VR1 or vice-versa.
2886 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
2890 * reload.c (find_reloads_address_1): Mention dependency on
2892 * reload1.c (gen_reload): For IN with an unary operation, try
2893 moving inner expression to OUT if trivial SET is not valid.
2894 Confirm that the result is valid. Move common code block into...
2895 (emit_insn_if_valid_for_reload): New function.
2897 2005-11-19 Richard Guenther <rguenther@suse.de>
2899 * fold-const.c (fold_indirect_ref_1): Make sure we fold
2900 ARRAY_REFs of constant strings.
2902 2005-11-19 Jakub Jelinek <jakub@redhat.com>
2904 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2905 fatal format string.
2907 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
2909 * combine.c (make_compound_operation): Swap operands of
2910 commutative operation if necessary before returning.
2912 2005-11-19 Richard Guenther <rguenther@suse.de>
2915 * fold-const.c (fold_plusminus_mult_expr): New function.
2916 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2917 cases, remove now unnecessary code.
2919 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
2921 * gensupport.c (old_preds): Rename to std_preds, add special field.
2922 (struct old_pred_table): Rename to struct std_pred_table, add special
2924 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2925 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2926 (init_predicate_table): Adjust, and set along the way whether a
2927 predicate is special.
2929 2005-11-18 Mark Mitchell <mark@codesourcery.com>
2931 * BASE-VER: Change to 4.2.0.
2933 2005-11-18 James E Wilson <wilson@specifix.com>
2935 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2938 2005-11-18 Mike Stump <mrs@apple.com>
2940 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2941 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2942 * c-decl.c (lookup_name_two) Remove.
2943 * c-tree.h (lookup_name_two): Remove.
2944 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2945 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2946 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2947 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2949 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
2952 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2953 when not generating code to use that co-processor.
2955 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
2957 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2958 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2959 these functions are now in tree-phinodes.c.
2961 2005-11-18 Jie Zhang <jie.zhang@analog.com>
2963 * config/bfin/bfin.md (trap): New pattern.
2965 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2967 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2970 * expr.c (expand_expr_real): Don't call record_block_change unless
2971 ib_boundaries_block is non-null
2973 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2975 * fold-const.c (build_range_check): Use proper type for subtraction
2976 when merging lower bound.
2978 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2980 PR rtl-optimization/24497
2981 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2984 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2986 * tree-scalar-evolution.c (expression_expensive_p): New function.
2987 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2989 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
2991 * config/bfin/crtlibid.s: New file.
2993 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2996 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2997 when not using sjlj exceptions.
2998 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2999 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3000 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3001 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3002 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3003 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3004 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3005 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3006 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3007 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3008 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3009 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3010 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3012 * config/pa/hpux-unwind.h: New file.
3014 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
3016 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3017 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3018 * varasm.c (do_assemble_alias): Adjust call.
3019 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3021 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3023 2005-11-17 James E Wilson <wilson@specifix.com>
3025 * tree.def (FUNCTION_DECL): Correct typo in comment.
3027 2005-11-17 Richard Henderson <rth@redhat.com>
3029 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3030 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3031 and DW_CFA_def_cfa_sf.
3032 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3033 (dbx_reg_number): Don't assert particular registers here.
3034 (based_loc_descr): ... do it here instead. Fold in ...
3035 (eliminate_reg_to_offset): ... this function.
3036 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3037 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3038 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3039 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3040 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3041 (instantiate_virtual_regs): Likewise.
3042 * var-tracking.c (adjust_stack_reference): Likewise.
3043 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3045 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3047 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3048 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3049 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3051 ($(T)crtlibid.o): New rule.
3053 2005-11-16 Richard Guenther <rguenther@suse.de>
3056 * fold-const.c (extract_array_ref): Return byte offset
3058 (fold_binary): Fold &x[a] CMP &x[b] to
3059 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3062 2005-11-16 Richard Henderson <rth@redhat.com>
3065 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3066 parts of an SSA_NAME.
3068 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3071 * arm.md (split for movsf with immediate): Restrict split to insns
3072 that set a general register.
3074 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3076 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3078 * unwind-dw2.c (uw_advance_context): Likewise.
3079 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3080 _Unwind_SjLj_Unregister.
3081 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3083 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3085 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3087 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3089 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3090 langhook to get a DImode integer type.
3092 2005-11-16 Richard Henderson <rth@redhat.com>
3093 J"orn Rennecke <joern.rennecke@st.com>
3094 Ulrich Weigand <uweigand@de.ibm.com>
3098 * reload1.c (reg_equiv_invariant): New.
3099 (reload): Allocate, initialize, and free it.
3100 (calculate_needs_all_insns): Check it when skipping equivalence
3102 (alter_reg): Likewise.
3103 (eliminate_regs_1): Rename from eliminate_regs. Add new
3104 may_use_invariant argument; only use reg_equiv_invariant when true.
3105 (eliminate_regs): New.
3106 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3107 a context for which may_use_invariant may be true.
3109 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3111 * fold-const.c (const_binop): Don't constant fold the operation
3112 if the result has overflowed and flag_trapping_math.
3113 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3115 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3117 * config/arm/unwind-arm.c (abort): Add prototype here.
3118 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3119 (struct phase1_vrs): Add prev_sp.
3120 (unwind_phase2_forced): Save the original core registers instead of
3121 modifying entry_vrs. Take a new flag argument for resuming unwinding
3122 and set action flags accordingly. Always set _US_END_OF_STACK when
3123 get_eit_entry fails. Unwind before calling the stop function.
3124 (_Unwind_GetCFA): New function.
3125 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3126 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3127 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3128 just call unwind_phase2_forced.
3129 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3130 * config/arm/unwind-arm.h (abort): Remove prototype.
3131 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3133 (_Unwind_GetCFA): New prototype.
3134 * config/arm/pr-support.c (abort): Add prototype here.
3135 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3137 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3138 not schedule the prologue with non-call exceptions and EABI.
3140 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3142 * config/arm/unwind-arm.h: Reorder interface function declarations.
3143 (_URC_END_OF_STACK): New enumeration value.
3144 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3145 (struct _Unwind_Control_Block): Document reserved field use.
3146 (_Unwind_Stop_Fn): New typedef.
3147 (_Unwind_ForcedUnwind): Declare.
3148 (_Unwind_Resume_or_Rethrow): Declare.
3149 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3151 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3152 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3153 (UCB_FORCED_STOP_ARG): New.
3154 (search_EIT_table): Update boundary condition checks.
3155 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3156 (unwind_phase2): Replace for with do..while.
3157 (unwind_phase2_forced): New.
3158 (__gnu_Unwind_RaiseException): Replace for with do..while.
3159 (__gnu_Unwind_ForcedUnwind): New.
3160 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3161 Use appropriate phase2 unwinder.
3162 (__gnu_Unwind_Resume_or_Rethrow): New.
3163 (__gnu_unwind_pr_common): Cope with forced unwinding.
3165 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3168 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3170 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3171 roundsf2): Remove "s" from mnemonic.
3173 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3175 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3177 * config/bfin/crtn.s: Change epilogues to match.
3178 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3179 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3180 __PIC__ and __pic__.
3182 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3185 * doc/invoke.texi: Distinguish between free and fixed form instead of
3186 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3188 * gcc.c (default_compilers): Remove double entries, add entries for
3189 suffixes '.F90' and '.F95'.
3191 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3193 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3194 in the stack probing loop.
3196 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3198 * configure.ac: Use .machine power5 not power5x.
3199 * configure: Regenerate.
3201 2005-11-15 Mike Stump <mrs@apple.com>
3203 * c-decl.c (lookup_name_two): Add.
3204 * c-tree.h (lookup_name_two): Likewise.
3205 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3206 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3208 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3210 PR rtl-optimization/23392
3211 * regrename.c (enum scan_actions) Add mark_access.
3212 (scan_actions_name): Ditto.
3213 (scan_rtx_reg): Handle mark_access.
3214 (scan_rtx_address): Do nothing for mark_access.
3215 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3216 and regs in REG_INC notes before closing chains for dead regs.
3217 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3218 opening chains for new writes.
3220 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3222 * c.opt (ffixed-line-length-none): New.
3224 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3226 * mklibgcc.in: Change contents of eh_dummy.c.
3228 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3230 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3232 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3234 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3236 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3238 2005-11-15 Jan Hubicka <jh@suse.cz>
3240 * invoke.texi (large-unit-insns): Document.
3241 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3242 * params.def (large-unit-insns): New param.
3244 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3247 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3248 special register for operand 3. Reindent constraints to align
3251 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3253 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3254 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3255 * configure.ac: Add test for FP rounding instructions.
3256 * configure: Regenerate.
3257 * config.in: Regenerate.
3258 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3259 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3261 * config/rs6000/rs6000.opt (mfprnd): New.
3262 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3263 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3264 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3265 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3266 (TARGET_FPRND): New.
3267 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3269 (btrunc<mode>2): New.
3271 (floor<mode>2): New.
3272 (round<mode>2): New.
3274 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3276 * gcc.c (version_compare_spec_function): Use fatal() rather than
3279 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3280 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3281 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3283 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3286 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3287 on -mmacosx-version-min setting.
3289 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3292 * tree-vrp.c (infer_value_range): Return false if STMT is a
3293 block terminator and its basic block has no successors.
3295 2005-11-14 Mike Stump <mrs@apple.com>
3297 * config/i386/i386.c (override_options): -masm=intel isn't
3298 supported on darwin.
3299 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3301 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3303 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3304 vfork after including auto-host.h.
3306 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3308 PR rtl-optimization/22002
3309 * combine.c (distribute_notes): Detect cases where a reg dies
3310 two or more times in a bb, including on the insn we are combining,
3311 and place the death note on the correct range.
3313 2005-11-14 Dale Johannesen <dalej@apple.com>
3315 * expmed.c (store_bit_field): Add offset unconditionally for
3317 (extract_bit_field): Don't force extzv or extv operand into
3318 a register if field is too big.
3320 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3322 * config/arm/arm.c (pic_labelno): New.
3323 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3324 LABEL_REF. Pass only the labelno to PIC insns.
3325 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3326 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3327 * arm.md (UNSPEC_PIC_LABEL): New constant.
3328 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3329 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3330 Use the correct label prefix.
3332 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3334 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3337 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3339 * loop-invariant.c: Include tm_p.h.
3340 * Makefile.in: Updated.
3342 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3344 * pa.c (store_reg): Revise generation of frame notes in large frames.
3345 (set_reg_plus_d): Likewise.
3347 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3349 PR tree-optimization/24709
3350 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3353 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3355 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3356 and duplicate declaration of pthread_self.
3358 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3359 Ian Lance Taylor <ian@airs.com>
3362 * calls.c (expand_call): If TARGET is a MEM and some part of the
3363 argument area has been saved, force TARGET to a register.
3365 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3367 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3370 2005-11-13 Jason Merrill <jason@redhat.com>
3373 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3374 lazily declared methods.
3375 (force_decl_die): Stop if forcing out the context already make a
3377 (force_type_die): Likewise.
3379 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3382 * builtins.c (integer_valued_real_p): Add break in
3383 REAL_CST having TREE_OVERFLOW set.
3385 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
3387 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3388 addressing modes during calculation of costs.
3390 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3392 * function.c (assign_stack_local_1): Restrict sanity check
3393 on frame size overflow to 32-bit and above platforms.
3395 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3397 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3398 * config/cris/cris.c: Include reload.h.
3399 (cris_initial_elimination_offset): New function.
3400 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3403 2005-11-12 Richard Guenther <rguenther@suse.de>
3405 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3407 2005-11-12 Jan Hubicka <jh@suse.cz>
3409 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3410 to compare against 0 when possible.
3412 2005-11-12 Jie Zhang <jie.zhang@analog.com>
3414 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3415 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3416 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3417 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3420 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3422 * recog.c (constrain_operands) <case 'g'>: For a match, require
3423 that a non-register matches general_operand when strict >= 0.
3425 2005-11-11 Steven Bosscher <stevenb@suse.de>
3427 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3430 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3432 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3433 (memory_address_same): New.
3434 (dse_optimize_stmt): Call memory_address_same.
3436 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3439 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3440 ZERO_EXTEND>: New cases.
3442 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3444 * longlong.h (__clz_tab): Always provide.
3446 2005-11-11 Steven Bosscher <stevenb@suse.de>
3449 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3451 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3452 before check_maybe_invariant.
3453 (move_invariant_reg): Use gen_move_insn instead of replacing
3454 SET_DEST with the temporary for the invariant.
3455 (move_loop_invariants): If checking is enabled, do internal
3456 consistency checks after completing the pass.
3458 2005-11-11 David Edelsohn <edelsohn@gnu.org>
3461 * common.opt (Wvolatile-register-var): New.
3462 * varasm.c (make_decl_rtl): Only emit warning when option
3463 specified. Clarify warning message.
3464 * doc/invoke.texi (Wvolatile-register-var): Document new option.
3466 * doc/md.texi (copysign): Document standard named pattern.
3468 2005-11-11 Jie Zhang <jie.zhang@analog.com>
3470 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3471 bytes when align is 2.
3472 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3473 by the first instruction of the loop.
3475 2005-11-11 Jason Merrill <jason@redhat.com>
3478 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3481 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3483 PR rtl-optimization/22509
3484 * local-alloc.c (memref_used_between_p): Check whether a function call
3485 could not reference the memref.
3487 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
3489 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3490 algorithm so as to choose the best, not the worst, alternative.
3491 Reset accumulated register class before processing next alternative.
3493 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
3496 * calls.c (expand_call): Copy a return value to a plain register
3499 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
3502 * varasm.c (assemble_name): Recompute name only for transparent
3505 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
3507 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3509 2005-11-04 Jeff Law <law@redhat.com>
3512 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3513 perform reassociation if the parent statement will not die as
3514 a result of the optimization.
3516 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
3518 * tree-ssa-alias.c (compute_may_aliases): Remove call to
3519 delete_old_heap_vars.
3520 * tree-dfa.c (referenced_var_remove): Remove function.
3521 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3522 (delete_tree_ssa): Remove call to delete_old_heapvars.
3523 Add call to delete_alias_heapvars.
3524 * tree-flow.h (referenced_var_remove): Remove prototype
3525 (init_alias_heapvars): New prototype.
3526 (delete_alias_heapvars): Ditto.
3527 * Makefile.in (tree-ssa-structalias.o): Add
3528 gt-tree-ssa-structalias.o
3529 (GTFILES): Add tree-ssa-structalias.h and
3530 tree-ssa-structalias.c.
3531 (s-gtype): Add gt-tree-ssa-structalias.h.
3532 * tree-ssa-structalias.c (heapvars): Remove.
3533 (oldheapvars): Remove.
3534 (heapvar_for_stmt): New variable.
3535 (heapvar_lookup): New function.
3536 (heapvar_insert): Ditto.
3537 (get_constraint_for): See if we have an old heapvar
3539 (init_alias_heapvars): New function.
3540 (delete_alias_heapvars): Ditto.
3541 Add include of gt-tree-ssa-structalias.h.
3543 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3546 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3548 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
3550 * tree.c (int_fits_type_p): Only look at the base type
3551 if it has the same precision as the original type.
3553 2005-11-10 Jakub Jelinek <jakub@redhat.com>
3556 * varasm.c (assemble_alias): Use %q+D in the error
3557 message instead of %J and %qD.
3559 2005-11-10 Richard Guenther <rguenther@suse.de>
3561 * gcse.c (free_ldst_entry): Only free hashtable if
3564 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3566 * function.c (assign_stack_local_1): Issue an error message if
3567 the frame size overflows in the signed target arithmetics.
3569 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3571 * tree.c (build_qualified_type): Chain the new type to the original
3572 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3573 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3574 (build_pointer_type_for_mode): Only return unqualified types.
3575 (build_reference_type_for_mode): Likewise.
3577 2005-11-09 Jakub Jelinek <jakub@redhat.com>
3579 * Makefile.in (gnucompare): Do comparison of all files using one of
3580 the chosen methods and only afterwards decide if just warning should
3581 be issued or comparison failure raised.
3583 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3585 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3586 (noce_try_abs): Negate if the comparison is reversed.
3587 Look only one instruction backwards for a REG_EQUAL note.
3589 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3592 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3593 gthr-tpf.h: Define __gthrw. For all identifiers that might
3594 be weak, introduce weakrefs or non-weak aliases with __gthrw,
3595 and prefix all uses with __ghtrw.
3597 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3600 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3601 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
3602 * c-common.c (handle_weakref_attribute): New.
3603 (c_common_attribute_table): Add weakref.
3604 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3606 * configure, config.in: Rebuilt.
3607 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3608 * doc/extend.texi: Document weakref attribute.
3609 * varasm.c (ultimate_transparent_alias_target): New
3610 (assemble_name): Use it.
3611 (weak_finish_1): Split out of...
3612 (weak_finish): ... and deal with weakrefs in...
3613 (weakref_targets): ... new list.
3614 (globalize_decl): Clean up weakref_targets.
3615 (do_assemble_alias): Handle weakrefs.
3616 (finish_aliases_1): Do not reject weakrefs to external symbols.
3617 (assemble_alias): Handle weakrefs.
3619 2005-11-09 Richard Guenther <rguenther@suse.de>
3621 PR tree-optimization/24716
3622 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3623 t_bool to track results from follow_ssa_edge.
3625 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3627 * final.c (force_source_line): New global variable.
3628 (final_scan_insn): Set it to true instead of clearing last_filename.
3629 (notice_source_line): Return true if force_source_line is true,
3630 unless source info is absent.
3632 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
3635 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3636 a linkage name for a variable if it a register variable.
3637 * c-decl.c (grokdeclarator): Global register variables
3638 should be set as PUBLIC.
3640 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3643 * config/s390/s390.c (struct s390_frame_layout): New fields
3644 first_save_gpr_slot and last_save_gpr_slot.
3645 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3646 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3647 first_save_gpr and last_save_gpr with the _slot variants.
3648 (s390_register_info): Calculate first_save_gpr_slot and
3649 last_save_gpr_slot using regs_ever_live.
3651 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3654 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3655 for a function containing a landing pad.
3657 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3660 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3663 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
3665 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3666 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3668 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
3671 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3673 (call,load,store): New insn types.
3674 (mem_access, branch_access): Adjust reservation conditions.
3675 (define_delay): Adjust condition.
3676 (decrement_and_branch_until_zero): Allow for ms2. Set branch
3678 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3679 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3681 (call_internal, call_value_internal, return_internal,
3682 return_interrupt_internal, eh_return_internal, indirect_jump,
3683 tablejump): Set call insn type.
3684 (blockage, ei, di): Use appropriate unspec const.
3685 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3686 (ms1_get_attr_type): Adjust to give load & store types.
3687 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
3688 backwards past a barrier.
3689 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
3691 (struct branch_info, struct label_info): New.
3693 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3694 (ms1_machine_reorg): New.
3695 (TARGET_MACHINE_DEPENDENT_REORG): Override.
3696 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3697 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3698 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3701 2005-11-09 Per Bothner <per@bothner.com>
3702 Uros Bizjak <uros@kss-loka.si>
3705 * toplev.c (process_options): Initialize debug_hooks early
3706 in case lang_hooks.post_options ends up calling a debug_hook.
3708 2005-11-08 Jakub Jelinek <jakub@redhat.com>
3710 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3711 DBX_REGISTER_NUMBER being contiguous.
3713 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
3714 Diego Novillo <dnovillo@redhat.com>
3717 * tree-vrp.c (register_edge_assert_for): Do not register
3718 always-false predicates.
3720 2005-11-08 Devang Patel <dpatel@apple.com>
3722 PR tree-optimization/23115
3723 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3726 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
3728 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3731 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
3733 Fix PR tree-optimization/23382
3735 * tree-ssa-alias.c (compute_may_aliases): Call
3736 delete_old_heap_vars.
3737 * tree-dfa.c (referenced_var_remove): New function.
3738 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3739 * tree-flow.h (referenced_var_remove): Add prototype.
3740 (delete_old_heap_vars): Ditto.
3741 * tree-ssa-structalias.c (heapvars): New variable.
3742 (oldheapvars): Ditto.
3743 (get_constraint_for): Put heap vars on heapvars list.
3744 (delete_old_heap_vars): New function.
3746 2005-11-08 Jason Merrill <jason@redhat.com>
3748 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3750 2005-11-08 Uros Bizjak <uros@kss-loka.si>
3753 * reg-stack.c (reg_to_stack): Update register liveness also
3754 for flag_sched2_use_traces.
3756 2005-11-08 Alan Modra <amodra@bigpond.net.au>
3759 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3760 override prior explicit -mno-powerpc-gfxopt.
3762 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
3764 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3765 if the bitsize is zero.
3766 * doc/md.texi (Standard Pattern Names): Document it.
3768 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3769 (TARGET_PASS_BY_REFERENCE): Likewise.
3771 2005-11-07 Ian Lance Taylor <ian@airs.com>
3773 PR rtl-optimization/24683
3774 * config/i386/i386.c (legitimize_pic_address): If constant operand
3775 to PLUS is too large, put it in a register.
3777 2005-11-07 Jie Zhang <jie.zhang@analog.com>
3779 * configure.ac: Enable checking assembler dwarf2 support for bfin
3781 * configure: Regenerate.
3783 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3787 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3788 gen_easy_vector_constant_add_self): Delete.
3789 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3791 (output_vec_const_move): Use gen_easy_altivec_constant.
3792 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3793 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3794 (easy_vector_constant_add_self): Rewritten.
3795 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3796 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3797 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3798 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3799 Macroize and adjust for the other changes.
3801 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3805 * c-typeck.c (build_c_cast): Try using a shared constant, and see
3806 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3808 2005-11-07 Jakub Jelinek <jakub@redhat.com>
3810 PR rtl-optimization/23567
3811 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3812 (noce_process_if_block): Don't do any optimizations except
3813 if (cond) x = x; if !set_b and write into orig_x may trap
3814 or fault. Remove the MEM_READONLY_P check.
3816 2005-11-06 Diego Novillo <dnovillo@redhat.com>
3819 * tree-vrp.c (fix_equivalence_set): New.
3820 (extract_range_from_assert): Call it.
3822 2005-11-05 Ian Lance Taylor <ian@airs.com>
3825 * combine.c (apply_distributive_law): Don't distribute across a
3828 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
3830 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3831 config/ms1/ms1.h, config/rs6000/predicates.md,
3832 config/s390/s390.c, params.def, postreload-gcse.c,
3833 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3834 tree-vrp.c, tree.c: Fix comment typos.
3835 * doc/invoke.texi: Fix typos.
3837 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
3839 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3840 for testing whether the data_dependence_relation contains distance
3841 vectors. Iterate over all distance vectors of the ddr.
3842 * lambda.h: Define a vec of lambda_vector pointers.
3843 * tree-data-ref.c (dump_data_dependence_relation,
3844 dump_data_dependence_direction): Iterate over all distance and
3845 direction vectors of the ddr.
3846 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3848 (build_classic_dist_vector, build_classic_dir_vector): Push a set
3849 of distance/direction vectors instead of a single one.
3850 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3851 lambda_vectors with a vec of lambda_vectors.
3852 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3853 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3854 DDR_NUM_DIST_VECTS): New.
3855 * tree-loop-linear.c (gather_interchange_stats): Test for the
3856 existence of distance vectors only after having checked that there
3857 is a dependence. Iterate over all distance vectors of the ddr.
3858 (linear_transform_loops): Use dump_data_dependence_relation.
3859 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3860 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
3861 distance vectors of the ddr.
3863 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
3865 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3866 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3867 IS_INTHANDLER; all callers changed.
3868 (n_regs_saved_by_prologue): Take interrupt handler attributes into
3870 (do_link, do_unlink): New argument ALL; all callers changed.
3871 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3872 If function isn't leaf, save and restore all registers.
3873 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3876 2005-11-05 Jan Hubicka <jh@suse.cz>
3878 PR rtl-optimization/23490
3879 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3880 max-flow-memory-location): Document.
3881 * flow.c: Include params.h
3882 (MAX_MEM_SET_LIST_LEN): Kill.
3883 (add_to_mem_set_list): Use new param.
3884 * cse.c (cse_basic_block): Replace 1000 by new param.
3885 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3886 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3887 * predict.c (predict_loops): Use new param.
3888 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3890 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3891 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3892 Do not hold memory returned by cgraph_node_name across other call.
3894 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
3897 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3900 2005-11-04 Jeff Law <law@redhat.com>
3903 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3904 * tree-ssa-dom.c: Include params.h.
3905 (thread_across_edge): If there are too many statements in the
3906 target block, then do not thread through it.
3907 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3908 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3910 2005-11-03 Diego Novillo <dnovillo@redhat.com>
3913 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3914 TODO_update_ssa instead of TODO_update_ssa_no_phi.
3916 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
3919 * tree-scalar-evolution.c (instantiate_parameters_1,
3920 instantiate_parameters, resolve_mixers): Compute the size of an
3921 expression to be instantiated and give up the instantiation if the
3922 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3924 2005-11-04 Richard Guenther <rguenther@suse.de>
3926 * tree-flow.h (ref_contains_indirect_ref): Rename to
3927 array_ref_contains_indirect_ref.
3928 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3929 (array_ref_contains_indirect_ref): Make comment match the code
3931 (ref_contains_array_ref): Likewise.
3932 * tree-ssa-structalias.c (find_func_aliases): Remove call to
3933 ref_contains_indirect_ref.
3934 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3935 Rename calls to ref_contains_indirect_ref.
3937 2005-11-04 Paul Brook <paul@codesourcery.com>
3939 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3940 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3941 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3942 * config/arm/arm.md: Use match_operand in peephole input templates
3943 and match_dup in peephole output templates.
3945 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3947 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3950 2005-11-04 Mark Mitchell <mark@codesourcery.com>
3951 Daniel Jacobowitz <dan@codesourcery.com>
3953 * longlong.h (add_ssaaaa): Clobber condition code register
3955 (sub_ddmmss): Likewise.
3956 (umul_ppmm): Likewise.
3958 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3959 Paul Brook <paul@codesourcery.com>
3960 Phil Blundell <pb@reciva.com>
3962 * configure.ac: Add test for ARM TLS support.
3963 * configure: Regenerated.
3964 * config/arm/arm-protos.h (legitimize_tls_address)
3965 (arm_tls_referenced_p, tls_mentioned_p)
3966 (arm_output_addr_const_extra): New prototypes.
3967 (thumb_legitimize_pic_address): Delete.
3968 * config/arm/arm.c: Include "gt-arm.h".
3969 (enum tls_reloc): New.
3970 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3971 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3972 (arm_call_tls_get_addr, legitimize_tls_address)
3973 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3974 (arm_init_tls_builtins, arm_emit_tls_decoration)
3975 (arm_output_addr_const_extra): New functions.
3976 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3977 (TARGET_HAVE_TLS): Define.
3978 (target_thread_pointer): New.
3979 (arm_override_options): Handle -mtp=.
3980 (legitimize_pic_address): Ignore UNSPECs.
3981 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3983 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3984 (tls_get_addr_libfunc): New variable.
3985 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3986 (arm_init_builtins): Call arm_init_tls_builtins.
3987 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3988 (arm_encode_section_info): Call default_encode_section_info.
3989 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3990 (enum arm_tp_type): New.
3991 (target_thread_pointer): Add declaration.
3992 (LEGITIMATE_CONSTANT_P): Handle TLS.
3993 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3994 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3995 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3996 * config/arm/arm.md: Add UNSPEC_TLS.
3997 (movsi): Handle TLS.
3998 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4000 (tls_load_dot_plus_eight): New insn and a peephole to create it.
4001 (load_tp_hard, load_tp_soft): New insns.
4002 * arm.opt: Add -mtp=.
4003 * doc/invoke.texi (ARM Options): Document -mtp.
4005 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
4007 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4008 * config/arm/libunwind.S: Include "lib1funcs.asm".
4009 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4010 (LIB2ADDEH): Add libunwind.S.
4011 (LIB2ADDEHDEP): Add lib1funcs.asm.
4012 * mklibgcc.in: Handle asm files in libgcc_eh.a.
4014 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4017 * gcc/c.opt: Add a -lang-fortran option.
4018 * gcc/c-opts.c: Add a lang_fortran flag.
4019 (c_common_init_options): Handling the -lang-fortran option.
4020 (c_common_handle_option): Add a case for Fortran options in
4021 preprocessing. Remove cases for -ffixed-form and
4022 -ffixed-line-length. Add a case for -lang-fortran.
4024 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4026 * config/rs6000/rs6000.c: Include params.h
4027 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4028 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4029 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4030 (UNSPEC_VPKUWSS): Delete.
4031 (altivec_vpkuhss): Delete.
4032 (altivec_vpkuwss): Delete.
4033 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4035 (neg_eq0<mode>): Remove final condition.
4036 (neg_eq<mode>): Remove condition and split-condition.
4038 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4040 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4041 Use associated print macros.
4043 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4046 * diagnostic.c (diagnostic_set_info_translated): New function.
4047 (diagnostic_set_info): Use it. Add comment.
4048 * diagnostic.h (diagnostic_set_info_translated): Declare.
4050 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4052 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4053 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4054 reference only if 'public' is true.
4055 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4056 emit the .hidden directive only if the indirect reference is public.
4057 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4058 Pass it to dw2_force_const_mem.
4059 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4060 * dwarf2out.c (output_cfi): Adjust calls to above function.
4061 (output_call_frame_info): Likewise.
4062 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4063 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4065 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4067 PR tree-optimization/24483
4068 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4069 field to elts if possible.
4071 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4074 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4077 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4079 Fix PR tree-optimization/24351
4081 * tree-ssa-structalias.c (struct variable_info): Add
4083 (get_varinfo_fc): New function to follow collapsing.
4084 (new_var_info): Set collapsed_to to NULL.
4085 (dump_constraint): Follow collapsing.
4086 (build_constraint_graph): Handle collapsing.
4087 (do_simple_structure_copy): Return false if something bad
4089 (collapse_rest_of_var): New function.
4090 (do_structure_copy): Collapse if do_simple_structure_copy returns
4093 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4096 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4097 expressions to a statement list instead of gimplifying them.
4099 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4101 PR rtl-optimization/23585
4102 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4103 that can't trap plus a constant integer, if the mode has zero size.
4105 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4108 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4110 ("*insv<mode>_reg_extimm"): Likewise.
4112 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4115 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4116 c_common_type_for_mode returns an unnamed type.
4118 2005-11-02 Richard Henderson <rth@redhat.com>
4122 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4123 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4124 * function.c (assign_parms): Use calls.internal_arg_pointer.
4125 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4127 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4128 (TARGET_CALLS): Add it.
4129 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4130 * targhooks.c (default_internal_arg_pointer): New.
4131 * targhooks.h (default_internal_arg_pointer): Declare.
4132 * tree.h (dwarf2out_reg_save_reg): Declare.
4133 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4134 * config/i386/i386.c (dbx_register_map): Add return column.
4135 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4136 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4137 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4138 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4139 (ix86_save_reg): Save force_align_arg_pointer.
4140 (ix86_emit_save_regs): Make regno unsigned.
4141 (ix86_emit_save_regs_using_mov): Likewise.
4142 (ix86_expand_prologue): Handle force_align_arg_pointer.
4143 (ix86_expand_epilogue): Likewise.
4144 * config/i386/i386.h: (dbx_register_map): Update.
4145 (dbx64_register_map, svr4_dbx_register_map): Update.
4146 (struct machine_function): Add force_align_arg_pointer.
4147 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4148 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4149 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4151 2005-11-02 Jan Hubicka <jh@suse.cz>
4154 * i386.md: Add peep2 for simplyfing array accesses.
4156 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4159 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4160 * config/s390/s390.c (s390_decompose_shift_count): New function.
4161 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4162 (print_shift_count_operand): Use s390_decompose_shift_count.
4163 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4164 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4166 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4169 * loop.c (loop_givs_rescan): Use force_operand to expand
4172 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4175 * fold-const.c (build_range_check): Use unsigned when signed
4176 overflow is undefined also. If etype is subtype, make sure that
4177 the subtraction is in the supertype.
4179 2005-11-02 Richard Henderson <rth@redhat.com>
4182 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4185 2005-11-01 Richard Henderson <rth@redhat.com>
4188 * loop.c (scan_loop): Do not propagate computations to a hard
4189 register destination with SMALL_REGISTER_CLASSES.
4191 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4193 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4194 costs for MULT inside PLUS or MINUS.
4196 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4198 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4199 (TRAMPOLINE_SIZE): Round up to 60.
4200 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4202 2005-10-31 James E. Wilson <wilson@specifix.com>
4205 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4206 ifdef. Put ifdefs around call in gen_subprogram_die.
4207 (compute_frame_pointer_to_cfa_displacement): Likewise.
4208 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4211 PR rtl-optimization/17356
4212 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4213 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4215 2005-10-31 Jan Hubicka <jh@suse.cz>
4218 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4221 * i386.c (legitimize_pic_address): Deal with large immediates.
4224 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4225 from symbol names while computing checkup.
4228 * predict.c (predict_loops): Do not estimate more than
4229 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4230 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4232 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4234 PR tree-optimization/19097
4235 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4237 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4239 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4241 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4244 * tree-inline.c (setup_one_parameter): If the init_stmt
4245 is NULL, don't insert the statement.
4247 2005-10-30 Jan Hubicka <jh@suse.cz>
4249 PR tree-optimization/24172
4250 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4252 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4254 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4255 constants for hosts with long != 32 bits.
4257 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4260 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4262 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4264 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4265 (TARGET_MS1_16_002): New.
4266 (TARGET_MS1_16_003): New.
4268 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4269 ("*decrement_and_branch_until_zero_no_clobber"): New.
4270 Add corresponding splitter for decrement_and_branch_until_zero
4272 Key all decrement_and_branch_until_zero patterns off of
4275 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4278 * tree-complex.c (extract_component): Treat RESULT_DECL
4279 like the rest of the decls.
4281 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4283 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4284 indirect call to _mcount if the function needs a static chain.
4286 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4287 Caroline Tice <ctice@apple.com>
4289 PR rtl-optimization/24460
4290 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4291 (dwarf2out_switch_text_section): Set it to true instead of
4292 incrementing separate_line_info_table_in_use.
4293 (output_loc_list): Additionally test have_switched_text_sections.
4294 (output_ranges): Likewise.
4295 (dwarf2out_finish): Likewise.
4296 * varasm.c (assemble_start_function): Do not call
4297 insert_section_boundary_note.
4298 (assemble_end_function): If flag_reorder_blocks_and_partition,
4299 switch to the function's section before emitting the .size directive.
4300 * bb-reorder.c (insert_section_boundary_note): Staticify.
4301 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4302 * output.h (insert_section_boundary_note): Delete.
4304 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4307 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4308 instead of pointer equality when comparing types.
4310 2005-10-24 James E. Wilson <wilson@specifix.com>
4312 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4313 add_dependence_list_and_free calls.
4315 2005-10-24 Steven Bosscher <stevenb@suse.de>
4317 * contrib.texi: Add the names of the LLNL folks who donated
4318 Cray pointer support for gfortran.
4320 2005-10-24 Steven Bosscher <stevenb@suse.de>
4322 PR tree-optimization/24225
4323 * profile.c (branch_prob): Look from end to start through a
4324 basic block when looking for a locus.
4326 2005-10-24 Richard Henderson <rth@redhat.com>
4328 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4330 (hppa_expand_prologue): Likewise.
4332 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4334 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4335 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4336 * pa.h (NO_PROFILE_COUNTERS): Define.
4337 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4338 (funcdef_nos): New vector to hold label numbers of deferred profile
4340 (output_deferred_profile_counters): New function.
4341 (hppa_profile_hook): Push label number onto funcdef_nos.
4342 (pa_hpux_file_end): Call output_deferred_profile_counters if
4343 NO_DEFERRED_PROFILE_COUNTERS is false.
4345 * pa-protos.h (get_deferred_plabel): New prototype.
4346 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4348 (output_call): Adjust calls.
4350 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4352 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4353 peculiarity of GOT/TOC section usage.
4355 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4358 * c-common.c (constant_string_class_name): Add documentation.
4360 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4363 * recog.c (peephole2_optimize): Increment peep2_current_count
4364 only when the slot is empty.
4366 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4369 * except.c (output_function_exception_table): Call
4370 assemble_external_libcall if we need a personality function.
4372 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4374 PR rtl-optimization/24460
4375 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4376 set the basic block for barriers.
4378 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4380 * var-tracking.c (vt_initialize): Initialize post.
4382 2005-10-21 Devang Patel <dpatel@apple.com>
4385 * c-common.c (vector_types_convertible_p): Check vector element type.
4387 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4389 * config/sh/sh.c (prepare_move_operands): Handle the address
4390 constant which is a tls symbolic address plus a constant.
4392 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4395 * gcc.c (main): Use the correct counter for erroring out
4396 about mulitple files.
4398 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4401 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4402 use r2 for 64-bit tls .got access.
4404 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4406 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4409 2005-10-20 Steven Bosscher <stevenb@suse.de>
4411 PR tree-optimization/24307
4412 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4414 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
4417 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4419 * varasm.c (find_decl_and_mark_needed): After cgraph global info
4420 is ready, stop marking functions, but still mark variables.
4422 2005-10-20 Richard Guenther <rguenther@suse.de>
4425 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4428 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4430 PR rtl-optimization/23585
4431 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4432 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
4433 (may_trap_p_1): New predicate extracted from...
4434 (may_trap_p): ... here. Invoke may_trap_p_1.
4435 (may_trap_or_fault_p): New predicate.
4436 * rtl.h (may_trap_or_fault_p): Declare it.
4437 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4438 instead of may_trap_p.
4439 (steal_delay_list_from_fallthrough): Likewise.
4440 (fill_simple_delay_slots): Likewise.
4441 (fill_slots_from_thread): Likewise.
4442 * function.c (pad_to_arg_alignment): Rework comment about
4443 SPARC_STACK_BOUNDARY_HACK.
4444 * config/sparc/sparc.h: Likewise.
4446 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
4448 * config/s390/s390.c (s390_expand_insv): New.
4449 * config/s390/s390-protos.h (s390_expand_insv): Declare.
4450 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4451 ("icm_hi"): Remove mode attribute.
4452 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4454 ("*extracthi", "*extractqi"): Remove.
4455 (extv<mode>", "*extzv<mode>"): New.
4456 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4457 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4459 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4461 * cfgexpand.c (discover_nonconstant_array_refs_r,
4462 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4463 (tree_expand_cfg): Call discover_nonconstant_array_refs.
4464 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4465 discover_nonconstant_array_refs.
4467 2005-10-19 Steven Bosscher <stevenb@suse.de>
4470 * c-decl.c (pop_scope): Don't warn about an unused variable
4471 if it is marked with TREE_NO_WARNING.
4472 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4473 somenow mismatch and olddecl is to be replaced.
4475 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
4478 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4479 whether registers live on the edge can be saved/restored.
4481 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
4483 * config/sh/sh.c (fixup_mova): Skip notes.
4485 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4487 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4488 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4489 (s390_can_eliminate): Handle BASE_REGNUM elimination.
4490 (s390_initial_elimination_offset): Likewise.
4491 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4492 register on TARGET_ZARCH targets.
4493 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4494 (INITIAL_FRAME_POINTER_OFFSET): Remove.
4495 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4496 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4498 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4500 * config/s390/s390.md: Comment describing output modifiers updated.
4501 * config/s390/s390.c (print_operand): Likewise.
4503 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4505 * config/s390/s390.c (override_options): Added check for -mstack-size
4507 * doc/invoke.texi: Mention that limit in the documenation.
4509 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
4512 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4514 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
4516 Fix PR tree-optimization/24231
4518 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4519 (compute_avail): Ditto.
4521 2005-10-18 Richard Henderson <rth@redhat.com>
4524 * config/i386/i386.c (legitimate_constant_p): Check
4525 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
4527 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4528 (legitimate_pic_address_disp_p): Reorg CONST checking to make
4529 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
4531 (print_operand_address): Likewise.
4532 * config/i386/predicates.md (x86_64_immediate_operand): Test
4533 SYMBOL_REF_TLS_MODEL properly inside CONST.
4534 (x86_64_zext_immediate_operand): Likewise.
4535 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4536 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4537 * config/i386/i386-protos.h: Remove predicates.md entries.
4539 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
4541 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4542 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4544 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
4545 Ian Lance Taylor <ian@airs.com>
4548 * fold-const.c (fold_widened_comparison): Do not allow range based
4549 constant folding when right operand cannot be unwidened.
4551 2005-10-17 Richard Henderson <rth@redhat.com>
4553 * builtins.c (expand_builtin_synchronize): Build a new-style asm
4554 with a memory clobber.
4556 2005-10-17 James E Wilson <wilson@specifix.com>
4558 PR rtl-optimization/17356
4559 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4560 checking for EDGE_EH.
4562 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
4564 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4565 the slot on an even boundary for any type with 16-byte alignment.
4567 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
4570 * md.texi (Modifiers) <%>: Clarify that % doesn't work
4571 after register allocation.
4573 2005-10-17 DJ Delorie <dj@redhat.com>
4575 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4578 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
4581 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4584 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
4586 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4587 to 2 if it's already non-zero.
4588 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4589 is set and warn about it if flag_schedule_insns is 1.
4591 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
4593 * config/crx/crx.md: Compare-and-branch instructions need to
4596 2005-10-17 Uros Bizjak <uros@kss-loka.si>
4599 * config/i386/i386.md (*pushdi2_rex64 splitter)
4600 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4601 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4602 flow2 pass only when (optimize > 0 && flag_peephole2).
4604 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
4607 * gcc.c (have_c): New static variable.
4609 (process_command): Remove declation of have_c.
4610 Set have_o to 1 when handling -o.
4611 (main): Add a fatel error if there are multiple
4612 files specified and -o and -c/-S is passed witout
4613 -combine or multiple languages.
4615 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
4617 Fix PR tree-optimization/22444
4618 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4619 Assert that we don't hit something with subvars.
4620 (setup_pointers_and_addressables): Don't add things with subvars,
4621 because we'll already process the subvars for aliasing purposes.
4623 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
4626 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4627 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4628 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4629 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4630 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4631 swapped, alternatives for the R constraint.
4634 * builtins.c (get_builtin_sync_mode): Make unlimited
4635 mode_for_size request.
4637 2005-10-15 Richard Henderson <rth@redhat.com>
4639 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4640 (gimplify_expr): ... here.
4641 (gimplify_compound_lval): Use it in initial scan loop. Allow
4642 fb_lvalue in base expression.
4644 2005-10-15 Richard Henderson <rth@redhat.com>
4647 * builtins.c (expand_builtin_trap): Export.
4648 * expr.h (expand_builtin_trap): Declare.
4649 * expr.c (expand_assignment): Emit a trap for integral offsets
4650 from registers that weren't reduced to bitpos.
4652 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4653 (mark_array_ref_addressable): Remove.
4654 * tree-flow.h (mark_array_ref_addressable): Remove.
4655 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4657 2005-10-15 James E Wilson <wilson@specifix.com>
4660 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
4661 (add_dependence_list_and_free): Likewise.
4662 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4665 2005-10-15 Diego Novillo <dnovillo@redhat.com>
4669 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4670 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4672 (vrp_visit_phi_node): Only prevent infinite iterations when
4673 the previous result and the new result are both VR_RANGEs.
4675 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
4677 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4680 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4683 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4686 2005-10-14 Per Bothner <per@bothner.com>
4688 PR preprocessor/21250
4689 * c-ppoutput.c (print_line): Print internal line 0 as 1.
4691 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
4694 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4695 overflow flags. Refactor some conditionals.
4697 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
4700 * tree-dfa.c (add_referenced_var): Only look at decls which
4701 have TREE_CONSTANT or TREE_READONLY set instead of if
4702 !TREE_PUBLIC or !TREE_CONSTANT.
4704 2005-10-13 James E Wilson <wilson@specifix.com>
4706 * doc/invoke.texi: For -x, add f95-cpp-input.
4707 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4709 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
4711 PR tree-optimization/24262
4712 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4713 in loop all the time.
4715 2005-10-12 Richard Henderson <rth@redhat.com>
4718 * tree.h (DECL_TRANSPARENT_UNION): Remove.
4719 * function.c (assign_parm_find_data_types): Don't support it.
4720 * print-tree.c (print_node): Likewise.
4721 * c-common.c (handle_transparent_union_attribute): Likewise.
4722 Use build_duplicate_type.
4723 * tree-inline.c (remap_type_1): Split out of remap_type;
4724 properly remap aggregate fields.
4725 (build_duplicate_type): New.
4726 * doc/extend.texi (Variable Attributes): Remove documentation
4727 for transparent_union.
4729 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4732 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4733 (gen_stack_pointer_dec): Likewise.
4735 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
4739 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4741 (struct cxx): Add adjust_class_at_definition target hook.
4742 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4743 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4744 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4745 hook_void_tree. Add to TARGET_CXX.
4746 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4748 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4749 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4750 instead of attribute. Check for dllexport override. Warn if
4751 inconsistent dll linkage. Don't lose old dllimport if decl has
4752 had address referenced. Tweak lookup of dllimport atribute.
4753 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4754 for target specific rules. Don't add dllimport attribute if
4755 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
4756 dllimport attribute.
4757 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4758 * varasm.c (initializer_constant_valid_p): Replace
4759 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4763 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4764 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4765 (i[34567]86-*-mingw32*): Likewise.
4767 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4768 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4770 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4771 C++-specific code. Change return value to bool.
4772 (i386_pe_dllimport_p): Likewise.
4773 (associated_type): Simplify and make language-independent
4774 (i386_pe_encode_section_info): Replace override of ambiguous
4775 dllimport symbol refs with a gcc_assert.
4776 (i386_pe_valid_dllimport_attribute_p): Define.
4777 * config/i386/winnt-cxx.c: New file. Define C++ versions of
4778 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4779 i386_pe_adjust_class_at_definition.
4780 * config/i386/winnt-stubs.c: New file. Define stub versions of
4781 lang-specific functions.
4782 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4783 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4784 i386_pe_adjust_class_at_definition.
4785 (i386_pe_valid_dllimport_attribute_p): Declare.
4786 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4787 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4788 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4791 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4792 dllimport attribute with test of DECL_DLLIMPORT_P.
4794 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
4796 * combine.c (make_extraction): Correct offset computation.
4798 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
4800 * config/cris/t-linux (LIMITS_H_TEST): Define.
4802 2005-10-12 Richard Henderson <rth@redhat.com>
4805 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4807 2005-10-12 Richard Guenther <rguenther@suse.de>
4809 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4811 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
4814 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4815 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4818 2005-10-12 Richard Guenther <rguenther@suse.de>
4821 * varasm.c (output_constant): Correct typo from previous
4824 2005-10-11 Ian Lance Taylor <ian@airs.com>
4826 PR rtl-optimization/13931
4827 * combine.c: Revert patch of 2003-05-14, and:
4828 (try_combine): Only set elim_i1 and elim_i2 if the destination is
4829 completely killed in the appropriate insn.
4830 (distribute_notes): Don't skip multiple hard register test for
4831 elim_i1 and elim_i2.
4833 2005-10-11 Richard Henderson <rth@redhat.com>
4836 * c-typeck.c (convert_for_assignment): Use build_constructor_single
4837 to initialize a transparent union instead of a nop_expr.
4839 2005-10-11 Richard Henderson <rth@redhat.com>
4841 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4842 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4843 (tree_ssa_dce_loop): Call scev_reset.
4846 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4847 * tree-ssa-dce.c: Include cfgloop.h.
4848 (tree_ssa_dce_loop, pass_dce_loop): New.
4849 * tree-pass.h (pass_dce_loop): Declare it.
4850 * passes.c (init_optimization_passes): Use it.
4852 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4855 * convert.c (convert_to_real): Revert 2005-10-05 patch.
4856 Only apply the optimization for rounding builtins if the inner
4857 cast is also an extension.
4859 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
4862 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4863 mark_new_vars_to_rename instead of update_stmt.
4865 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
4867 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4869 2005-10-11 Jakub Jelinek <jakub@redhat.com>
4871 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4872 for setting MMX register to 0 rather than mmx.
4874 2005-10-10 Steve Ellcey <sje@cup.hp.com>
4877 * configure.ac: Move gas check from mips specific case to common case.
4878 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4879 * configure: Regenerate
4880 * doc/install.texi: Update.
4882 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4885 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4887 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
4889 * gcc.c (do_spec_1): Accept numeric characters in file name
4892 2005-10-10 Nick Clifton <nickc@redhat.com>
4894 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
4895 describing the deleted arm_gen_rotated_half_load function.
4897 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
4899 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4902 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
4904 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4906 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4907 (EXTRA_MULTILIB_PARTS): Define.
4908 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4909 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4910 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4911 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4912 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4913 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4915 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
4917 PR tree-optimization/24226
4918 * tree-cfg.c (remove_bb): Clean up unreachable loops.
4919 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4920 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4923 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4925 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4927 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
4930 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4931 Rewrite for no need for the early clobber.
4933 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4935 Merge from csl-arm-branch:
4936 2005-09-07 Paul Brook <paul@codesourcery.com>
4937 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4940 2005-04-30 Paul Brook <paul@codesourcery.com>
4941 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4942 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4944 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
4945 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4946 (arm_override_options): Use TARGET_AAPCS_BASED.
4947 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4948 (PTRDIFF_TYPE): Use int for AAPCS.
4949 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4950 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4951 (DEFAULT_SHORT_ENUMS): Delete.
4952 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4954 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
4955 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4956 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4957 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4959 2004-12-03 Mark Mitchell <mark@codesourcery.com>
4960 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4962 2004-11-22 Mark Mitchell <mark@codesourcery.com>
4963 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4965 2004-11-19 Mark Mitchell <mark@codesourcery.com>
4966 * config.gcc (arm*-*-linux-gnueabi): Add it.
4967 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4969 (TARGET_OS_CPP_BUILTINS): Likeiwse.
4970 * config/arm/linux-eabi.h: New file.
4971 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4972 (LINUX_TARET_LINK_SPEC): Likewise.
4973 (LINK_SPEC): Use it.
4974 * config/arm/t-linux-eabi: New file.
4976 2005-10-08 Steven Bosscher <stevenb@suse.de>
4979 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4981 (PARAM_SMS_DFA_HISTORY): Likewise.
4983 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4986 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4987 (load_register_parameters): Call it.
4988 (check_sibcall_argument_overlap_1): Likewise.
4989 (store_one_arg): Likewise.
4991 2005-10-07 James E. Wilson <wilson@specifix.com>
4993 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4994 DImode not VECINT24 for operand 2.
4997 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5001 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5002 fr_spill): Use destination_operand for operand 0.
5004 2005-10-07 DJ Delorie <dj@redhat.com>
5006 * varasm.c (output_constant): Limit error to expanding
5009 2005-10-07 Richard Guenther <rguenther@suse.de>
5012 * fold-const.c (fold_binary): Fix operand types during folding
5013 of X op (A, Y). Evaluation order of the side-effects of
5014 X and A are frontend-defined, so ensure we honour that even for
5015 tcc_comparison class operands; eased by removing duplicate code.
5017 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5019 * stor-layout.c (layout_type): Do not allow alignment of array
5020 elements to be greater than their size.
5022 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5024 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5026 (hppa*-*-linux*): Ditto.
5027 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5028 * config/host-hpux.c: New.
5029 * config/x-hpux: New.
5030 * config/pa/x-hpux: Remove.
5031 * config/pa/x-linux: Remove.
5032 * config/pa/pa-host.c: Remove.
5034 2005-10-07 Jeff Law <law@redhat.com>
5036 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5037 determine whether or not to try and thread outgoing edges.
5039 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5041 * config/rs6000/rs6000.md (eqsi_power): New.
5042 (neg_eq0si): Add TARGET_POWER to final condition.
5045 2005-10-06 Richard Henderson <rth@redhat.com>
5047 * config/rs6000/rs6000.c: Revert last change.
5049 2005-10-06 Richard Henderson <rth@redhat.com>
5051 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5052 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5054 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5058 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5059 out return_label and naked_return_label.
5061 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5063 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5066 2005-10-06 Richard Henderson <rth@redhat.com>
5069 * tree-inline.c (declare_return_variable): Handle modify_dest not
5072 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5074 Fix PR tree-optimization/22488
5075 * tree-ssa-structalias.c (check_for_overlaps): New function.
5076 (create_variable_info_for): Use it.
5078 2005-10-06 Richard Henderson <rth@redhat.com>
5081 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5082 (dwarf2out_start_source_file): Print it.
5084 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5086 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5088 2005-10-06 Richard Henderson <rth@redhat.com>
5091 * mode-switching.c (optimize_mode_switching): Clear transp bit
5092 for block with incomming abnormal edges.
5094 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5095 (fpscr_set_from_mem): Use them.
5096 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5097 (fpscr postinc splitters): Rewrite as peephole2+split.
5099 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5101 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5102 (eq<mode>_compare): Same.
5104 2005-10-06 Richard Guenther <rguenther@suse.de>
5106 PR tree-optimization/24238
5107 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5109 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5111 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5112 here. Use AC_PATH_PROG for environment variables instead of
5114 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5116 * configure: Regenerated.
5118 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5121 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5122 then force it into a register.
5123 (call_value): Likewise.
5125 2005-10-06 Richard Henderson <rth@redhat.com>
5128 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5129 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5130 under pass_vectorize.
5132 2005-10-05 Devang Patel <dpatel@apple.com>
5135 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5136 handling constants. Check NAMESPACE_DECL context for constants.
5138 2005-10-05 Eric Christopher <echristo@apple.com>
5140 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5142 2005-10-05 Richard Henderson <rth@redhat.com>
5145 * tree-cfg.c (mark_array_ref_addressable_1): New.
5146 (mark_array_ref_addressable): New.
5147 * tree-flow.h (mark_array_ref_addressable): Declare.
5148 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5150 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5154 * reload.c (subst_reloads): When adding a REG_LABEL to a
5155 jump instruction, also update JUMP_LABEL.
5157 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5159 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5160 * bb-reorder.c (copy_bb_p): Use it.
5161 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5163 2005-10-05 Richard Henderson <rth@redhat.com>
5166 * toplev.c (process_options): Warn about unsupported combinations
5167 of unwind tables and omit-frame-pointer.
5168 * config/i386/i386.c (override_options): Similarly. Enable
5169 accumulate-outgoing-args if not explicitly disabled.
5171 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5173 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5174 Handle big endian vs. small endian.
5175 (vec_initv2sf): Handle big endian vs. small endian.
5176 (*vec_extractv2sf_1): Ditto.
5178 2005-10-05 Dale Johannesen <dalej@apple.com>
5180 * convert.c (convert_to_real): Don't convert
5181 (float)floor(double d) to floorf((float)d).
5183 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5185 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5187 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5189 PR tree-optimization/18587
5190 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5191 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5192 build_vuses): Change to VEC type.
5193 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5194 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5195 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5196 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5197 (get_name_decl): New. Return DECL_UID of base variable.
5198 (operand_build_cmp): New. qsort comparison routine.
5199 (operand_build_sort_virtual): New. Sort virtual build vector.
5200 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5201 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5202 (FINALIZE_BASE): Use get_name_decl.
5203 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5204 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5205 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5206 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5207 direct VEC_* manipulations.
5208 (build_ssa_operands): Call operand_build_sort_virtual.
5209 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5210 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5211 with direct VEC_* manipulations.
5212 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5213 with direct VEC manipulations.
5215 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5217 PR tree-optimization/21419
5218 PR tree-optimization/24146
5219 PR tree-optimization/24151
5221 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5222 (build_asm_expr): Call it if outputs are read-only.
5223 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5225 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5226 Paolo Bonzini <bonzini@gnu.org>
5230 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5231 enable the instructions and not just the built-ins.
5232 * doc/invoke.texi (x86 Options): Likewise.
5234 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5236 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5238 * doc/invoke.texi (Option Summary): Correct spelling
5239 of -mmacosx-version-min.
5241 2005-10-04 Devang Patel <dpatel@apple.com>
5243 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5246 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5248 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5249 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5251 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5253 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5254 ("TE","tg"): New mode attributes.
5255 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5256 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5257 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5258 dword_mode and one for GPRmode.
5260 2005-10-04 Ian Lance Taylor <ian@airs.com>
5262 PR preprocessor/13726
5263 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5264 any comments passed in.
5266 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5268 * tree.c (annotate_with_file_line): Fix typo.
5270 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5273 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5274 type used to access data in the inlined length == 1 case, use
5275 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5276 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5278 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5280 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5281 TARGET_SSE3 and only for TARGET_80387.
5282 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5283 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5284 Do not depend on TARGET_80387.
5286 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5288 * tree.c (last_annotated_node): Change type to location_t*.
5289 (annotate_with_file_line): Reflect the change of
5290 last_annotated_node type.
5292 2005-10-04 Richard Guenther <rguenther@suse.de>
5295 * c-decl.c (grokdeclarator): Don't write to fields
5298 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5301 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5303 * varasm.c (make_decl_rtl): If a register variable does not
5304 have a set user assmbler name, error out.
5305 Decode the asmspec is now name+1 bypassing '*'.
5307 2005-10-04 Steven Bosscher <stevenb@suse.de>
5309 PR tree-optimization/23049
5310 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5311 of a COND_EXPR is folded before calling fold on the whole rhs of a
5312 conditional assignment.
5313 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5314 document that a COND_EXPR may appear there.
5316 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5319 * tree-vrp.c (extract_range_from_assert): If the new numeric
5320 range created out of the assertion contradicts the existing
5321 numeric range of the ASSERT_EXPR variable, make the new range
5324 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5326 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5327 from T_REGS to FP register class.
5329 2005-10-03 Richard Henderson <rth@redhat.com>
5332 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5333 before creating a new one.
5335 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5337 * config/rs6000/t-aix43 (LDFLAGS): New.
5338 * config/rs6000/t-aix52 (LDFLAGS): New.
5340 2005-10-03 Ian Lance Taylor <ian@airs.com>
5342 * gimplify.c (find_single_pointer_decl_1): New static function.
5343 (find_single_pointer_decl): New static function.
5344 (internal_get_tmp_var): For a formal variable, set restrict base
5345 information if appropriate.
5346 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5348 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5349 (DECL_GET_RESTRICT_BASE): Define.
5350 (SET_DECL_RESTRICT_BASE): Define.
5351 (decl_restrict_base_lookup): Declare.
5352 (decl_restrict_base_insert): Declare.
5353 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5354 * tree.c (restrict_base_for_decl): New static variable.
5355 (init_ttree): Initialize restrict_base_for_decl.
5356 (copy_node_stat): Copy restrict base information.
5357 (decl_restrict_base_lookup): New function.
5358 (decl_restrict_base_insert): New function.
5359 (print_restrict_base_statistics): New static function.
5360 (dump_tree_statistics): Call print_restrict_base_statistics.
5362 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5365 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5366 case of anti-ranges.
5368 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5371 * c-typeck.c (tagged_tu_seen): Rename to ...
5372 (tagged_tu_seen_cache): this and add val field.
5373 (comptypes): Move functional to comptypes_internal
5374 and free tagged_tu_seen.
5375 (comptypes_internal): New function and call comptypes_internal
5376 instead of comptypes. Speed up by sibcalling
5377 tagged_types_tu_compatible_p.
5378 (alloc_tagged_tu_seen): New function
5379 (free_all_tagged_tu_seen_up_to): New function.
5380 (tagged_types_tu_compatible_p): Return the val of the seen two
5382 Add that the two types are the same to tagged_tu_seen_base
5383 if they are and call comptypes_internal instead of comptypes.
5384 <case UNION_TYPE>: Speed up common type where the fields are
5386 (function_types_compatible_p): Call comptypes_internal instead of
5388 (type_lists_compatible_p): Likewise.
5389 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5391 2005-10-02 Matthias Klose <doko@debian.org>
5393 * doc/invoke.texi: Fix typo and speling error.
5395 2005-10-01 Richard Henderson <rth@redhat.com>
5397 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5399 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5401 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5402 using --start-group and --end-group.
5404 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5406 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5407 FIXME note regarding quirky semantics.
5409 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5412 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5413 non-null range as a last resort.
5415 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
5416 Diego Novillo <dnovillo@redhat.com>
5419 * tree-vrp.c (extract_range_from_assert): For !=
5420 assertions, only build an anti-range if LIMIT is a
5421 single-valued range.
5423 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
5425 * arm.md (movqi): On thumb when optimizing, handle loading from
5426 memory by describing this as taking a subreg of a zero-extended load
5427 into an SImode register.
5430 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
5432 * reload1.c (merge_assigned_reloads): Do not change any
5433 RELOAD_FOR_OUTPUT_ADDRESS reloads.
5435 2005-09-30 Geoffrey Keating <geoffk@apple.com>
5437 * Makefile.in (LIPO_FOR_TARGET): Define.
5438 (STRIP_FOR_TARGET): Define.
5440 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5441 before creating new ones. Do symlinks before creating the actual
5444 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5445 to work out which multilibs are actually being built.
5447 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
5449 * tree-vect-transform.c, config/ms1/ms1.md,
5450 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5451 Follow spelling conventions.
5452 * doc/invoke.texi, doc/md.texi: Fix typos.
5454 2005-09-30 Andrew Macleod <amacleod@redat.com>
5456 PR tree-optimization/21430
5457 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5458 use operands, and set stmt pointer if need be.
5459 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5460 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5463 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5466 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5468 2005-09-29 Mark Mitchell <mark@codesourcery.com>
5470 * optabs.c (expand_binop): Initialize first_pass_p.
5472 2005-09-29 Jakub Jelinek <jakub@redhat.com>
5475 * c-decl.c (c_write_global_declarations_1): If any
5476 wrapup_global_declaration_2 call returned true, restart the loop.
5478 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
5480 Fix PR tree-optimization/24117
5481 * tree-ssa-structalias.c (find_func_aliases): Strip nops
5482 before considering whether to use anyoffset.
5484 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5488 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5490 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5492 (swap_commutative_operands_with_target): New.
5494 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5497 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5500 2005-09-29 Steven Bosscher <stevenb@suse.de>
5502 PR tree-optimization/23911
5503 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5504 and IMAGPART_EXPR too.
5506 2005-09-28 Mark Mitchell <mark@codesourcery.com>
5509 * expmed.c (expand_shift): Move logic to reverse rotation
5510 direction when rotating by constants ...
5511 * optabs.c (expand_binop): ... here.
5512 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5513 (ix86_rotrdi3): New pattern.
5514 (rotldi3): Handle 32-bit mode.
5515 (ix86_rotldi3): New pattern.
5517 2005-09-29 Alan Modra <amodra@bigpond.net.au>
5520 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5521 check for numbers that need no bit twiddle.
5523 2005-09-28 Geoffrey Keating <geoffk@apple.com>
5525 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5526 multilib to be built.
5528 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5529 (stage1-start): Delete old libgcc and libunwind before moving
5530 anything into the stage directory.
5531 (stage2-start): Likewise.
5532 (stage3-start): Likewise.
5533 (stage4-start): Likewise.
5534 (stageprofile-start): Likewise.
5535 (stagefeedback-start): Likewise.
5536 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5537 header in tm_file and CPU-specific t-darwin in tmake_file.
5538 (i[34567]86-*-darwin*): Don't change tm_file.
5539 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5540 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5541 shared library stub for target OS version.
5542 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5543 (SHLIB_LINK): Don't make SHLIB_SOLINK.
5544 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5545 (libgcc_s.%.dylib): New.
5547 (install-darwin-libgcc-stubs): New.
5548 (INSTALL_LIBGCC): New append.
5549 * config/i386/darwin-libgcc.10.4.ver: New.
5550 * config/i386/darwin-libgcc.10.5.ver: New.
5551 * config/i386/t-darwin: New.
5552 * config/rs6000/darwin-libgcc.10.4.ver: New.
5553 * config/rs6000/darwin-libgcc.10.5.ver: New.
5554 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5555 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5557 2005-09-28 Paul Brook <paul@codesourcery.com>
5559 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5562 2005-09-28 Richard Guenther <rguenther@suse.de>
5564 PR tree-optimization/23853
5565 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5566 host_integerp to verify misalignment value.
5568 2005-09-28 Richard Henderson <rth@redhat.com>
5570 * builtins.c (get_builtin_sync_mode): New.
5571 (expand_builtin_sync_operation): Pass in mode argument.
5572 (expand_builtin_compare_and_swap): Likewise.
5573 (expand_builtin_lock_test_and_set): Likewise.
5574 (expand_builtin_lock_release): Likewise.
5575 (expand_builtin): Update to match.
5577 2005-09-28 Nick Clifton <nickc@redhat.com>
5579 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5580 formatting. Add check to PLUS case to ensure that the offset is
5581 within an acceptable range.
5583 * config/v850/v850.md (casesi): Disable the generation of the
5584 switch pattern as it is not being handled properly at the moment.
5586 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5587 for when the high words are identical.
5589 2005-09-27 Richard Henderson <rth@redhat.com>
5591 * pretty-print.c (pp_base_format): Fix typo for %>.
5593 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
5594 Devang Patel <dpatel@apple.com>
5596 PR tree-optimization/23625
5597 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5598 LABEL_EXPR, assertion check.
5600 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
5602 * optabs.c (no_conflict_move_test): Check if a result of a
5603 to-be-moved insn would be clobbered by an originally
5606 2005-09-27 Jeff Law <law@redhat.com>
5608 * passes.c (init_optimization_passes): Replace copy propagation
5609 passes immediately after DOM with phi-only copy propagation
5610 pases. Add phi-only copy propagation pass after first DOM pass.
5611 * tree-pass.h (pass_phi_only_copy_prop): Declare.
5612 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5613 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5614 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
5615 to init_copy_prop. Callers updated.
5616 (do_phi_only_copy_prop): New function.
5617 (pass_phi_only_copy_prop): New pass descriptor.
5619 2005-09-27 Nick Clifton <nickc@redhat.com>
5621 * libgcc2.c (__popcount_tab): Remove redundant prototype.
5623 2005-09-26 Jason Merrill <jason@redhat.com>
5626 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5628 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5630 2005-09-26 James E Wilson <wilson@specifix.com>
5632 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5633 copyright. Add gcc copyright plus libgcc exception.
5634 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
5636 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5638 2005-09-26 Jeff Law <law@redhat.com>
5640 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5641 about when to iterate.
5643 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
5646 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5647 for __complex__ double in -mcpu=G5 mode.
5649 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
5651 PR tree-optimization/23942
5652 * Makefile.in (SCEV_H): Depends on PARAMS_H.
5653 * tree-scalar-evolution.c: Include params.h.
5655 (follow_ssa_edge, follow_ssa_edge_in_rhs,
5656 follow_ssa_edge_in_condition_phi_branch,
5657 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5658 Change return type to t_bool. Use a parameter to limit the size of
5659 trees that are walked before stopping
5660 (analyze_evolution_in_loop): Initialize the limit to 0.
5661 (follow_ssa_edge): Give up by returning t_dont_know if the limit
5662 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5664 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5667 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5668 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5670 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
5672 * combine.c (make_extraction): Check for valid use of subreg.
5674 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5677 * config/i386/i386.md ("*fistdi2_1"): New pattern.
5678 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5679 ("fist<mode>2_with_temp"): Use only register operands.
5681 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
5683 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5684 CALL_INSN_FUNCTION_USAGE.
5686 2005-09-26 Richard Guenther <rguenther@suse.de>
5689 * gcse.c: Include hashtab.h, define ldst entry hashtable.
5690 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5691 (ldst_entry): Use the hashtable instead of list-walking.
5692 (find_rtx_in_ldst): Likewise.
5693 (free_ldst_entry): Free the hashtable.
5694 (compute_ld_motion_mems): Create the hashtable.
5695 (trim_ld_motion_mems): Remove entry from hashtable if
5696 removing it from list.
5697 (compute_store_table): Likewise^2.
5698 (store_motion): Free hashtable in case we did not see
5701 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
5703 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5704 and arg1 if we are passing them to fold_build2.
5706 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
5709 * config/i386/i386.c (ix86_function_regparm): Fix the test for
5712 2005-09-25 Richard Henderson <rth@redhat.com>
5714 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5715 SYMBOL_REF_TLS_MODEL to be correct.
5717 2005-09-24 Richard Henderson <rth@redhat.com>
5719 * ipa-type-escape.c (discover_unique_type): Remove dead code at
5720 end of function. Reindent.
5722 2005-09-24 Ian Lance Taylor <ian@airs.com>
5724 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5725 NEGATE_EXPR/BIT_NOT_EXPR case.
5727 2005-09-24 Richard Henderson <rth@redhat.com>
5729 * c-common.c (handle_mode_attribute): When not modifying in place,
5730 create subtypes for enumerations.
5731 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5732 * gimplify.c (create_tmp_from_val): Likewise.
5734 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
5736 * config/i386/i386.md (*tls_global_dynamic_64,
5737 *tls_local_dynamic_base_64): Add missing mode to call.
5738 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5740 2005-09-24 Jan Hubicka <jh@suse.cz>
5742 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5743 (cgraph_clone_node): Likewise.
5744 * cgraph.h (cgraph_clone_edge): Update prototype.
5745 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5746 duplicated prototypes; add updating argument.
5747 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5748 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5750 (cgraph_mark_inline_edge): Likewise.
5751 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5752 (cgraph_flatten_node): Likewise.
5753 (cgraph_decide_recursive_inlining): Likewise.
5754 (cgraph_decide_inlining_of_small_function): Likewise.
5755 * tree-optimize.c (tree_rest_of_compilation): Likewise.
5757 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5758 Pete Steinmetz <steinmtz@us.ibm.com>
5760 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5761 (rldic.): Set type to "compare".
5763 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
5764 mfjmpr for MFCTR/MFLR.
5765 (movdf_hardfloat64): Same.
5766 (movdf_softfloat64): Same. Correct order of store and move types.
5767 (movti_string): Set type to store_ux/load_ux.
5768 (load_multiple): Set type to load_ux.
5769 (store_multiple): Set type to store_ux.
5770 (movmemsi): Set type to store_ux.
5771 (output_cbranch direct_return): Set type to jmpreg.
5772 (stmw): Set type to store_ux.
5773 (lmw): Set type to load_ux.
5774 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5775 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5776 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5777 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5778 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5779 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5780 (rios1-fpstore): Increase latency to 3.
5781 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5782 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5784 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5785 Andrew Pinski <pinskia@physics.uc.edu>
5787 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5788 operand2 constraint to "b".
5789 (sync_<fetchop_name>di_internal): Same.
5790 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5792 (sync_old_<fetchop_name>di_internal): Same.
5793 (sync_new_<fetchop_name>si_internal): Same.
5794 (sync_new_<fetchop_name>di_internal): Same.
5796 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
5799 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5800 case, define as macros.
5802 PR rtl-optimization/23837
5803 * optabs.c (no_conflict_move_test): Don't set must_stay for a
5804 clobber / clobber match between dest and p->first.
5806 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5807 (no_conflict_move_test): Update comments.
5809 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5811 * doc/install.texi: Update URL for Jacks.
5812 * doc/sourcebuild.texi: Likewise.
5814 2005-09-22 David Edelsohn <edelsohn@gnu.org>
5817 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5818 registers when choosing register preferences.
5819 (movdf_hardfloat64): Same.
5821 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
5823 * expmed.c (expand_shift): Don't use the target of the rotate as
5824 target for the first expanded shift insn.
5825 * testsuite/gcc.dg/20050922-1.c: Testcase added.
5827 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
5829 PR tree-optimization/22438
5830 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5831 preserved iv rhs rewriting specially.
5833 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
5835 * tree-data-ref.c (analyze_array_indexes): Only estimate when
5836 estimate_only is true.
5837 * tree-flow.h (ref_contains_indirect_ref): New prototype.
5838 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5839 tree-ssa-structalias.c
5840 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5841 ref_contains_indirect_ref.
5842 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5844 2005-09-21 DJ Delorie <dj@redhat.com>
5846 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5848 (mn10300_return_in_memory): Support variable size types also.
5849 (mn10300_pass_by_reference): Likewise.
5850 (mn10300_function_value): New.
5851 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5852 (FUNCTION_OUTGOING_VALUE): Likewise.
5853 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5854 * doc/invoke.texi: Document it.
5856 2005-09-21 Uros Bizjak <uros@kss-loka.si>
5859 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5860 force integer op1 into register for XFmode compares.
5862 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5865 * expmed.c (alg_code): Add alg_impossible.
5866 (alg_hash_entry): Add cost.
5867 (synth_mult): Record alg_impossible in the hash table if
5868 multiplication by a given integer is impossble within the
5869 limit. Speed up using alg_impossible.
5871 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5873 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5874 argument. Allow and set any offset if needs_anyoffset is passed
5876 (get_constraint_for): Add argument here too.
5878 (do_structure_copy): Pass NULL to get_constraint_for.
5879 (handle_ptr_arith): Ditto.
5880 (find_func_aliases): Ditto.
5882 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
5884 PR rtl-optimization/23898
5885 * output.h (get_attr_min_length): Declare.
5886 * final.c (get_attr_length_1): New function, broken out of:
5888 (get_attr_min_length): New function.
5889 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5890 (duplicate_computed_gotos): Likewise.
5891 * genattr.c (insn_min_length): Generate declaration.
5892 * genattrtab.c (min_fn, min_attr_value): New functions.
5893 (make_length_attrs): Generate insn_min_length.
5895 2005-09-20 Steve Ellcey <sje@cup.hp.com>
5897 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5899 2005-09-20 Richard Henderson <rth@redhat.com>
5901 PR tree-optimization/24059
5902 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5905 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
5907 * c.opt (fextended-identifiers): New.
5908 * c-opts.c (c_common_handle_option): Handle
5909 -fextended-identifiers.
5910 * doc/cpp.texi: Update documentation of extended identifiers.
5911 * doc/cppopts.texi (-fextended-identifiers): Document.
5913 2005-09-20 Jakub Jelinek <jakub@redhat.com>
5915 PR tree-optimization/23929
5916 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5919 PR tree-optimization/23818
5920 * tree-stdarg.c (execute_optimize_stdarg): Call
5921 calculate_dominance_info.
5923 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5925 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5926 (analyze_siv_subscript_cst_affine): Add weak SIV test.
5927 (compute_overlap_steps_for_affine_1_2): Use
5928 get_number_of_iters_for_loop.
5929 (analyze_subscript_affine_affine): Check whether difference is
5931 Use get_number_of_iters_for_loop.
5932 Check whether overlap occurs outside of bounds.
5933 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5935 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
5937 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5938 base register if possible.
5940 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
5942 PR tree-optimization/18463
5943 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5944 converting it directly is not possible.
5945 (chrec_convert_aggressive): New function.
5946 * tree-chrec.h (chrec_convert_aggressive): Declare.
5947 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5948 Fold chrec conversions aggressively if asked to.
5949 (instantiate_parameters): Modified because of changes in
5950 instantiate_parameters_1.
5952 2005-09-19 Richard Henderson <rth@redhat.com>
5954 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5955 (reduc_splus_v2df): New.
5957 2005-09-19 Richard Sandiford <richard@codesourcery.com>
5959 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5960 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
5962 2005-09-19 Richard Henderson <rth@redhat.com>
5964 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5967 2005-09-19 Richard Henderson <rth@redhat.com>
5969 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5970 (ia64_expand_dot_prod_v8qi): New.
5971 * config/ia64/ia64-protos.h: Update.
5972 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5973 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5974 sdot_prodv8qi, sdot_prodv4hi): New.
5975 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5977 2005-09-19 Richard Henderson <rth@redhat.com>
5980 * real.c (exact_real_truncate): Return false if the format cannot
5981 represent the number as a normal.
5983 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5984 for a memory source.
5986 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
5988 * tree-ssa-operands.c (swap_tree_operands): Export.
5989 * tree.h (swap_tree_operands): Declare.
5990 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5991 Call swap_tree_operands.
5993 2005-09-19 Richard Henderson <rth@redhat.com>
5995 * tree-flow.h (merge_alias_info): Declare.
5996 * tree-ssa-copy.c (merge_alias_info): Export.
5997 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5998 (vect_create_data_ref_ptr): Use create_iv directly.
5999 (vectorizable_load): Use correct types for integer constants.
6000 (vect_generate_tmps_on_preheader): Likewise.
6001 (vect_gen_niters_for_prolog_loop): Likewise.
6003 2005-09-19 Steven Bosscher <stevenb@suse.de>
6005 PR rtl-optimization/23943
6006 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6008 2005-09-18 Jan Hubicka <jh@suse.cz>
6010 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6012 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
6014 * varasm.c (output_constant): Do not abort on conversions to union
6015 types between different sizes.
6017 2005-09-18 Richard Guenther <rguenther@suse.de>
6020 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6023 2005-09-18 Paul Brook <paul@codesourcery.com>
6025 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6027 2005-09-17 Richard Henderson <rth@redhat.com>
6029 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6030 * tree-ssa-loop.c (pass_vect_dce): Remove.
6031 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6034 2005-09-17 Richard Henderson <rth@redhat.com>
6036 * tree-pass.h (pass_vect_dce): Declare.
6037 * passes.c (init_optimization_passes): Add it.
6038 * tree-flow.h (tree_ssa_dce): Declare.
6039 * tree-ssa-dce.c (tree_ssa_dce): Export.
6040 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6041 (gate_tree_vectorize): ... here.
6042 (pass_vect_dce): New.
6044 2005-09-17 Jan Hubicka <jh@suse.cz>
6046 * except.c (struct eh_status): Turn region_array into vec.
6047 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6048 convert_from_eh_region_ranges, find_exception_handler_labels,
6049 current_function_has_exception_handlers, assign_filter_values,
6050 build_post_landing_pads, dw2_build_landing_pads,
6051 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6052 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6053 foreach_reachable_handler, can_throw_internal_1,
6054 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6056 (duplicate_eh_region_1): Update region_array.
6057 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6059 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6062 * expmed.c (expand_mult): Substitute simple register for op0 when
6065 2005-09-17 Richard Henderson <rth@redhat.com>
6067 * expr.c (emit_move_via_integer): Add force argument, pass it on
6068 to emit_move_change_mode. Update callers.
6069 (emit_move_complex): Pass true to new force argument.
6070 * function.c (expand_function_end): Move expand_eh_return call
6071 earlier. Merge sub-word complex values into a pseudo before
6072 copying to the return hard register.
6074 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6076 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6077 between different sizes.
6079 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6083 * passes.c (init_optimization_passes): Register dump files for
6086 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6088 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6089 * config/s390/s390.c (s390_overlap_p): New function.
6090 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6091 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6094 2005-09-16 Richard Guenther <rguenther@suse.de>
6096 * ipa-pure-const.c (static_execute): Free auxiliar information.
6097 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6098 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6100 2005-09-15 DJ Delorie <dj@redhat.com>
6102 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6104 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6106 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6108 (swap_commutative_operands_with_target): New.
6110 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6112 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6115 (estimate_iters_using_array): New function.
6116 * tree-data-ref.h (estimate_iters_using_array): Prototype
6117 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6118 Use estimate_iters_using_array instead of analyze_array.
6120 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6122 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6125 2005-09-15 Michael Matz <matz@suse.de>
6127 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6129 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6131 PR tree-optimization/23835
6132 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6133 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6135 2005-09-14 Richard Henderson <rth@redhat.com>
6137 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6138 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6140 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6142 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6143 in the ARRAY_TYPE case.
6145 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6147 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6149 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6152 * tree-vect-transform.c (vectorizable_operation): Return false for
6153 scalar shift operations and for vector shift operations with
6154 non-invariant shift arguments. Use scalar tree operand op1 as
6155 a shift operand when vector shift insn pattern uses scalar shift
6157 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6159 2005-09-14 Olivier Hainque <hainque@adacore.com>
6161 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6162 value if it has side-effects.
6164 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6167 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6169 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6171 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6172 passed as NAME as if it were label at start of function code.
6174 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6176 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6179 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6181 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6182 as early clobber. Rewrite so the PIC register is not implicitly used.
6184 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6186 * tree.c (annotate_with_file_line): Compare line numbers before
6189 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6192 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6193 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6195 2005-09-13 Ian Lance Taylor <ian@airs.com>
6197 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6198 than a HOST_WIDEST_INT to gen_doloop_begin.
6200 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6202 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6204 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6206 PR tree-optimize/23817
6207 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6209 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6212 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6213 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6214 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6215 (restore_stack_nonlocal): Likewise.
6216 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6218 2005-09-12 Ian Lance Taylor <ian@airs.com>
6221 * c.opt (ffriend-injection): New C++ option.
6222 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6223 (C++ Dialect Options): Document -ffriend-injection.
6225 2005-09-12 Josh Conner <jconner@apple.com>
6228 * ipa-reference.c (static_execute): Don't mark variables in
6229 named sections TREE_READONLY.
6231 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6233 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6236 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6238 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6239 V_MUST_DEF instead of just the first_use_p.
6240 Don't mark the virtual variables for renaming on the statement which
6242 (pass_dse): Remove TODO_update_ssa.
6244 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6247 * stor-layout.c (compute_record_mode): For records with a single
6248 field, actually check the field's mode size against the type size.
6250 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6251 registers for TARGET_SHMEDIA.
6252 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6253 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6254 of GENERAL_REGS and FP_REGS.
6256 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6258 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6260 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6262 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6263 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6264 are omitted. Exclude stack_tie insn too.
6266 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6268 PR rtl-optimization/23098
6269 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6271 * config/rs6000/rs6000.md (movdf splitter): Use
6272 const_double_operand predicate for TARGET_POWERPC64.
6273 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6274 SYMBOL_REF method to ABI_V4.
6276 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6277 replace_equiv_address.
6278 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6279 rs6000_sr_alias_set and MEM_NOTRAP.
6280 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6282 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6284 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6285 handle CALL_EXPR again.
6287 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6289 * arm/predicates.md (alignable_memory_operand): Delete.
6291 2005-09-10 Richard Henderson <rth@redhat.com>
6294 * dbxout.c (dbxout_expand_expr): New.
6295 (dbxout_symbol): Use it.
6297 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6299 * arm.c (arm_gen_rotated_half_load): Delete.
6300 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6301 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6302 (thumb_set_return_address): Likewise.
6303 (thumb_load_double_from_address): Use adjust_address.
6304 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6305 (extendhsisi2_mem, movhi_bytes): Use change_address.
6306 (movhi): Use widen_memory_access.
6307 (reload_out_df): Use replace_equiv_address.
6308 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6310 2005-09-09 Richard Henderson <rth@redhat.com>
6313 * dbxout.c: Include expr.h.
6314 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6315 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6316 * Makefile.in (dbxout.o): Add EXPR_H.
6318 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6320 PR tree-optimization/23509
6321 * tree-cfg.c (replace_uses_by): Use replace_exp.
6322 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6323 pointers have name_mem_tag or type_mem_tag set.
6325 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6327 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6328 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6329 of wrongly accessing operands.
6331 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6333 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6334 * tree-chrec.c: Include tree-scalar-evolution.h.
6335 (chrec_convert): Instantiate the base and step before calling
6336 scev_probably_wraps_p that would fail on parametric evolutions.
6337 Collect all the fails into a single section failed_to_convert,
6338 print a diagnostic, and return chrec_dont_know instead of calling
6340 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6341 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6343 (scev_const_prop): Don't replace the definition of a loop closed ssa
6344 phi node by itself, or by another loop closed ssa phi node.
6345 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6346 that base and step are defined.
6348 2005-09-09 Richard Guenther <rguenther@suse.de>
6351 * fold-const.c (fold_ternary): Check truth_value_p before
6352 calling invert_truthvalue.
6354 2005-09-09 Nick Clifton <nickc@redhat.com>
6356 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6357 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6358 dimension of these arrays.
6359 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6361 * longlong.h: Only provide a prototype for the __clz_tab[] array
6362 if this header has not been included from libgcc2.h.
6363 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6365 Provide prototypes for exported functions.
6366 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6369 2005-09-08 Josh Conner <jconner@apple.com>
6373 * expr.c (expand_expr_addr_expr_1): Don't invoke
6374 expand_simple_binop for EXPAND_INITIALIZER.
6376 2005-09-08 Richard Henderson <rth@redhat.com>
6379 * toplev.c (wrapup_global_declaration_1): Split out ...
6380 (wrapup_global_declaration_2): ... from ...
6381 (wrapup_global_declarations): ... here. Return bool.
6382 (check_global_declaration_1): Split out ...
6383 (check_global_declarations): from here.
6384 (emit_debug_global_declarations): New.
6385 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6386 check_global_declaration_1, emit_debug_global_declarations): Declare.
6387 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6388 of decls. Call wrapup_global_declaration_1,
6389 wrapup_global_declaration_2, check_global_declaration_1 directly.
6390 (c_write_global_declarations_2): New.
6392 (c_write_global_declarations): Call c_write_global_declarations_2.
6393 * langhooks.c (write_global_declarations): Call
6394 emit_debug_global_declarations.
6396 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6397 remove decls that have DECL_RTL_SET_P.
6398 * passes.c (rest_of_decl_compilation): Invoke
6399 cgraph_varpool_finalize_decl for all but functions.
6401 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6403 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6404 the result of a conversion if the new min and max cannot be compared.
6406 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6408 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6409 (override_options): Setting s390_sr_alias_set removed.
6410 (save_fpr, save_gprs): Set alias set to vararg or frame.
6411 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6412 s390_sr_alias_set with get_frame_alias_set ().
6413 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6414 get_varargs_alias_set ().
6416 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6420 * c-parser.c (c_parser_objc_method_definition): If the next
6421 token is not "{", error out and don't start the function.
6423 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6425 * tree-vrp.c (extract_range_from_expr): Move the check for non
6426 nullness after the check for gimple invariant.
6428 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6430 * tree.c (host_integerp, tree_low_cst): Correct function comment.
6432 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6435 * config/m32r.md (movmemsi_internal): Canonicalize order of
6436 operands in PLUS component of template.
6438 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
6440 * reload1.c (fixup_eh_region_note): Remove assertion.
6441 (fixup_abnormal_edges): Reverted removal of call to
6442 find_many_sub_basic_blocks made on 2005-08-31.
6444 2005-09-07 Richard Henderson <rth@redhat.com>
6446 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6447 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6448 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6449 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6450 rearrange for better packing.
6451 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6452 (lookup_cfa_1): Remove inline marker.
6453 (cfa_equal_p): Split out of ...
6454 (def_cfa_1): ... here. Use INVALID_REGNUM.
6455 (build_cfa_loc): Handle !cfa->indirect.
6456 (frame_pointer_cfa_offset): New.
6457 (dbx_reg_number): Assert register elimination performed; do
6458 leaf register remapping.
6459 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6460 (eliminate_reg_to_offset): New.
6461 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
6462 for verifiably local stack frame addresses; re-base to CFA.
6463 (mem_loc_descriptor): Remove can_use_fbreg argument.
6464 (concat_loc_descriptor, loc_descriptor): Likewise.
6465 (containing_function_has_frame_base): Remove.
6466 (rtl_for_decl_location): Don't do register elimination or
6467 leaf register remapping here.
6468 (secname_for_decl): Split out from ..
6469 (add_location_or_const_value_attribute): ... here.
6470 (convert_cfa_to_loc_list): New.
6471 (compute_frame_pointer_to_cfa_displacement): New.
6472 (gen_subprogram_die): Use them.
6473 * tree.h (frame_base_decl): Remove.
6474 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6475 (prologue_stack_adjust): Remove.
6476 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6477 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6478 (set_frame_base_location): Remove.
6479 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6480 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6481 (vt_add_function_parameters): Don't eliminate_regs.
6482 (vt_initialize): Don't create frame_base_decl.
6484 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6486 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6487 version of GNU binutils for 4.x and later.
6489 2005-09-06 Mark Mitchell <mark@codesourcery.com>
6491 * ggc-page.c (ggc_push_context): Remove.
6492 (ggc_pop_context): Likewise.
6493 * ggc.h (ggc_push_context): Remove.
6494 (ggc_pop_context): Likewise.
6496 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6499 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6500 returning from an interrupt handler.
6502 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6505 * config/arc/arc.c (output_shift): Add check for loop count when
6508 2005-09-06 Steven Bosscher <stevenb@suse.de>
6510 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6512 (abs_replacement): Likewise.
6513 (pass_phiopt): Remove TODO_update_ssa.
6515 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6518 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6519 if "return with no value, in function returning non-void" warning
6521 * tree-cfg.c (execute_warn_function_return): Don't look at
6522 RETURN_EXPRs with TREE_NO_WARNING set.
6525 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6526 for internal functions doesn't use registers used by global registers
6527 variables. Use fewer register parameters if there are global register
6530 2005-09-06 Olivier Hainque <hainque@adacore.com>
6531 Eric Botcazou <ebotcazou@adacore.com>
6534 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6535 when we would be extracting outside its bit span (bitpos+bitsize
6536 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6537 Ada unchecked conversions.
6539 2005-09-06 Steven Bosscher <stevenb@suse.de>
6541 * tree-ssa-pre.c (try_look_through_load): New function.
6542 (compute_avail): Use it to try to look through loads for some
6543 more useful expressions.
6545 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6547 * simplify-rtx.c (simplify_binary_operation_1): Correct the
6548 condition for detecting cases like (a&a) and (a^a).
6550 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
6552 * common.opt: Add option ftree-vect-loop-version.
6553 * params.def: Add --param vect-max-version-checks.
6554 * doc/invoke.texi: Document ftree-vect-loop-version and
6555 --param vect-max-version-checks.
6556 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6557 may_misalign_stmts and defines for accessors.
6558 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6559 LOOP_VINFO_MAY_MISALIGN_STMTS.
6560 (destroy_loop_vec_info): VEC_free for
6561 LOOP_VINFO_MAY_MISALIGN_STMTS.
6562 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6563 Update documentation.
6564 (vect_update_misalignment_for_peel): New.
6565 (vect_enhance_data_refs_alignment): Update to choose loop
6566 peeling or loop versioning if appropriate for the (potentially)
6567 unaligned data references in the loop.
6568 (vect_analyze_data_refs_alignment): Remove call to
6569 vect_enhance_data_refs_alignment so the checks can be done
6571 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6572 and move up call to vect_analyze_data_refs_alignment.
6573 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6574 (vect_transform_loop): Add call to loop_version.
6576 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6578 PR rtl-optimization/23098
6579 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6580 * simplify-rtx.c (constant_pool_reference_p): New function.
6581 * rtl.h (constant_pool_reference_p): New prototype.
6582 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6583 constant_pool_reference_p in condition and
6584 avoid_constant_pool_reference in preparation statements.
6586 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
6588 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6589 STRICT_LOW_PART SETs.
6591 2005-09-06 Alan Modra <amodra@bigpond.net.au>
6594 * except.c (sjlj_emit_function_enter): Find the function begin
6595 note even when it's not in first basic block.
6597 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
6599 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
6600 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6601 * aclocal.m4: Regenerate.
6603 2005-09-05 DJ Delorie <dj@redhat.com>
6605 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6608 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
6610 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6611 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6612 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6613 Follow spelling conventions.
6614 * doc/invoke.texi: Follow spelling conventions.
6616 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6618 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6619 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6620 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6622 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6625 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6626 (output_stack_adjust): Use gen_tmp_stack_mem.
6627 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6628 (sh_set_return_address, sh_allocate_initial_value): Likewise.
6629 (sh_get_pr_initial_val): Likewise.
6630 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6631 (sh_initialize_trampoline): Likewise. Also use adjust_address.
6632 * sh.md (divsi_inv_m0): Use gen_const_mem.
6633 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6634 (movdf_i4+1): Use gen_tmp_stack_mem.
6635 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6636 (fpu_switch+2): Likewise.
6637 (movv4sf_i, movv16sf_i): Use adjust_address.
6638 (symGOT_load): Set MEM_NOTRAP_P bit.
6640 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6643 * pa.c (emit_move_sequence): Fix typo in last change.
6645 2005-09-03 Jakub Jelinek <jakub@redhat.com>
6647 PR rtl-optimization/23454
6648 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6651 2005-09-03 Richard Henderson <rth@redhat.com>
6652 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6655 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6658 2005-09-02 Nicolas Pitre <nico@cam.org>
6660 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6661 to bit_count to 32 bits.
6663 2005-08-31 Mark Mitchell <mark@codesourcery.com>
6666 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6667 generating synthetic loads from volatile lvalues.
6669 005-09-02 Nick Clifton <nickc@redhat.com>
6671 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6672 __ctzhi2, __clzhi2): New functions.
6674 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
6677 * tree-nested.c (struct var_map_elt): Mark with GTY.
6678 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
6680 (lookup_field_for_decl): Allocate new element in GC memory.
6681 (lookup_tramp_for_decl): Likewise.
6682 (convert_nl_goto_reference): Likewise
6683 (create_nesting_tree): Allocate info in GC memory. Likewise for
6685 (free_nesting_tree): Free with ggc_free instead of free.
6686 (root): New static variable.
6687 (lower_nested_functions): Remove root as local variable. And zero out
6688 root at the end of the function.
6690 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
6692 PR rtl-optimization/20365
6693 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6694 to short. New member ix.
6695 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6696 (simplify_plus_minus): Initialize ix members before calling qsort.
6698 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
6700 PR tree-optimization/23626
6701 * tree-cfg.c (replace_uses_by): Clean up eh info.
6703 2005-09-01 DJ Delorie <dj@redhat.com>
6705 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6708 2005-09-01 David Edelsohn <edelsohn@gnu.org>
6710 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6711 (rs6000_split_multireg_move): Use replace_equiv_address instead of
6714 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
6716 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
6717 do not issue warning for a variable definition following
6720 2005-09-01 Richard Henderson <rth@redhat.com>
6723 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6724 conversion to CONST_VECTOR.
6726 2005-09-01 Richard Henderson <rth@redhat.com>
6729 * reload1.c (reload_as_needed): Check !CALL_P before calling
6730 fixup_eh_region_note.
6731 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6733 2005-09-01 DJ Delorie <dj@redhat.com>
6735 * varasm.c (output_constant): Let the target resolve
6736 conversions of addresses to non-default pointer sizes.
6738 2005-09-01 Nicolas Pitre <nico@cam.org>
6740 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6741 to alow matching ARM pre-indexed addressing mode.
6742 (arm_override_options): Remove now irrelevant comment.
6744 2005-09-01 Phil Edwards <phil@codesourcery.com>
6746 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
6747 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
6748 * config/i386/vxworks.h: Likewise.
6749 * config/i386/t-vxworksae: New file, for VxWorks AE.
6750 * config/i386/vxworksae.h: Likewise.
6752 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
6754 PR tree-optimization/23410
6755 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6756 sequence is not wrapping during the first step.
6758 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6761 * dwarf2out.c (base_type_die): Compare char_type_node with
6762 TYPE_MAIN_VARIANT (type), not type.
6764 2005-09-01 Richard Guenther <rguenther@suse.de>
6766 PR tree-optimization/15366
6767 * common.opt: Add -finline-functions-called-once.
6768 Put -fearly-inlining in alphabetically ordered place.
6769 * doc/invoke.texi: Document new option.
6770 * ipa-inline.c (cgraph_decide_inlining): Honour
6771 flag_inline_functions_called_once.
6773 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6775 PR rtl-optimization/23478
6776 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6777 (alloc_qty): Initialize it.
6778 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6779 (combine_regs): Combine also n_throwing_calls_crossed fields.
6780 (find_free_reg): Don't attempt to caller-save pseudos crossing
6781 calls that might throw.
6782 * global.c (struct allocno): Add throwing_calls_crossed field.
6783 (global_alloc): Revert 2005-08-22 change. Initialize
6784 throwing_calls_crossed.
6785 (find_reg): Don't attempt to caller-save pseudos crossing calls that
6788 2005-09-01 Alan Modra <amodra@bigpond.net.au>
6791 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6792 (mask64_operand): Reinstate code prior to 2005-06-11 change.
6793 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6794 (and64_2_operand): Tweak to use predicate.
6795 (and_operand): Adjust for mask_operand changes.
6796 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6797 (print_operand): Likewise.
6798 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6799 (mask64_1or2_operand): Delete.
6800 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6801 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6802 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6803 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6804 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6805 (rotldi3_internal4): Likewise.
6806 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6807 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6808 (ashldi3_internal7): Likewise.
6809 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6810 (ashldi3_internal, ashldi3_internal9 split): Likewise.
6811 (anddi3 split): Don't match mask64_operand.
6812 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
6813 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
6814 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
6815 't' splitter predicate.
6816 (movdi_internal64 + 2): Revert 2005-06-11 change.
6818 2005-08-31 DJ Delorie <dj@redhat.com>
6820 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6821 (m32c_asm_integer): Add support for 32 bit pointers.
6823 2005-08-31 Richard Henderson <rth@redhat.com>
6825 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6826 component-like references for setting MEM_NOTRAP_P.
6828 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6829 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6831 2005-08-31 Richard Henderson <rth@redhat.com>
6833 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6834 into a pseudo before applying gen_lowpart.
6836 2005-08-31 Geoffrey Keating <geoffk@apple.com>
6838 * doc/install.texi (Specific): Update cctools version required
6839 for full functionality.
6840 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6841 linkers as -macosx_version_min.
6843 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
6846 * sh.c (print_operand, %R and %S): Add handling of floating point
6847 registers, memory, constants and invalid operands.
6849 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
6851 * ipa-pure-const.c: Change dump name.
6853 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6856 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6857 to "reg_or_0_operand".
6858 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6860 2005-08-31 Dale Johannesen <dalej@apple.com>
6862 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
6863 loops that count down.
6865 2005-08-31 Richard Henderson <rth@redhat.com>
6868 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6869 (fixup_eh_region_note): New.
6870 (reload_as_needed): Call it.
6871 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6872 don't call find_many_sub_basic_blocks; call verify_flow_info.
6873 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6874 (keep_stack_depressed): Likewise.
6875 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6877 2005-08-31 Richard Henderson <rth@redhat.com>
6879 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6882 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
6884 * expr.c (expand_expr_real_1): Compare size of address
6885 mode to target's address mode size in deciding expansion of
6886 the constant address.
6888 2005-08-31 Richard Guenther <rguenther@suse.de>
6891 * expr.c (all_zeros_p): New function.
6892 (expand_expr_real_1): Handle the case of an all-zero
6893 non-addressable constructor separately.
6895 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
6897 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6898 arguments, adjust all callers.
6899 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6901 2005-08-30 Richard Henderson <rth@redhat.com>
6904 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6905 whenever the mode sizes match.
6907 2005-08-31 Alan Modra <amodra@bigpond.net.au>
6909 * calls.c (load_register_parameters): Fix comment typo.
6910 * expr.c (emit_push_insn): Comment formatting.
6912 2005-08-30 Ian Lance Taylor <ian@airs.com>
6914 * config/i386/x-cygwin (host-cygwin): Change dependency from
6915 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6917 2005-08-29 Geoffrey Keating <geoffk@apple.com>
6919 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6922 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6925 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6926 call to ggc_collect.
6928 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
6931 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6932 beginning. Remove $(INCLUDES) from all the rules, if following
6933 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6935 2005-08-29 Jakub Jelinek <jakub@redhat.com>
6938 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6939 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6940 not constant, but maxlen is, don't set len to maxlen, rather
6941 set maxlen to len if len is a constant.
6943 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
6945 PR tree-optimization/23475
6946 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6949 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
6951 Fix PR middle-end/22455
6953 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6954 Checksum only the parts of the tree that exist for the tree code.
6956 2005-08-28 Dale Johannesen <dalej@apple.com>
6958 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
6960 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
6962 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6964 2005-08-28 Richard Henderson <rth@redhat.com>
6966 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6967 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6970 2005-08-28 Jakub Jelinek <jakub@redhat.com>
6973 * builtins.c (get_memory_rtx): Don't strip nops
6974 in between COMPONENT_REFs.
6976 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
6979 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6981 (gimplify_modify_expr): Check for zero sized types and gimplify the
6982 rhs and lhs as statements.
6984 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
6987 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6988 state for return address column of signal frames.
6990 2005-08-27 David Edelsohn <edelsohn@gnu.org>
6993 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6994 bytes >= 2 not bytes == 2.
6995 (expand_block_move): Same.
6997 2005-08-27 Richard Guenther <rguenther@suse.de>
7000 * config/i386/sse.md (sse2_movsd): Add missing closing
7003 2005-08-27 Paul Brook <paul@codesourcery.com>
7005 * genrecog.c (enum decision_type): Add DT_num_insns.
7006 (struct decision_test): Add u.num_insns.
7007 (add_to_sequence): Add DT_num_insns test.
7008 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7009 (write_cond, debug_decision_2): Ditto.
7010 (change_state): Assume peep2_next_insn never fails.
7011 Remove "afterward" argument.
7012 (write afterward, write_tree): Update to match.
7013 * recog.c (peep2_current_count): New variable.
7014 (peep2_next_insn): Check it.
7015 (peephole2_optimize): Set peep2_current_count.
7016 * recog.h (peep2_current_count): Declare.
7018 2005-08-26 Josh Conner <jconner@apple.com>
7021 * ipa-pure-const.c (check_tree): Check for volatile-ness
7022 when considering a dereference.
7024 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7026 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7028 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7030 PR rtl-optimization/23561
7031 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7032 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7033 at most LEN bytes long memory fits into the field.
7034 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7035 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7036 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7038 2005-08-26 Richard Henderson <rth@redhat.com>
7041 * loop.c (biased_biv_may_wrap_p): New.
7042 (maybe_eliminate_biv_1): Use it to suppress non-equality
7043 comparison transformations. Delete disabled code.
7045 2005-08-26 Ian Lance Taylor <ian@airs.com>
7047 * combine.c (make_extraction): Avoid reference outside object.
7049 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7051 * stor-layout.c (finalize_type_size): Restore behaviour for
7052 non-aggregate types to the status quo ante of the patch for
7053 pr 23467. Document why it matters.
7055 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7058 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7059 array by one element, initialize the BT_LAST element with NULL.
7061 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7063 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7064 optimizing for size.
7066 (compare_plus_eqsi): Same.
7067 (plus_eqsi_compare): Same.
7068 (neg_eq0<mode>): Same.
7069 (neg_eq<mode>): Same.
7071 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7074 2005-08-26 Nick Clifton <nickc@redhat.com>
7076 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7077 TARGET_EP is not defined.
7078 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7079 TARGET_EP is enabled.
7080 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7081 * config/v850/v850.md (save_all_interrupt): Only use the EP
7082 register if TARGET_EP is defined.
7083 (restore_all_interrupt): Likewise.
7084 * config/v850/lib1funcs.asm: Update functions so that the EP
7085 register is only used if __EP__ is defined.
7087 2005-08-26 David Ung <davidu@mips.com>
7089 * config/mips/mips.c (mips_expand_prologue): Handle case when
7090 generating for MIPS16 and the outgoing argument area is more than
7091 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7094 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7096 * config/crx/crx.md: Make doloop_end pattern usage controllable
7097 via mloop-nesting=<max-nesting> command line switch. Make sure
7098 the combiner cannot use doloop_end_<mode> in an illegal way.
7099 * config/crx/crx.c: Use regs up to r6 for argument passing.
7100 Refine crx_address_cost (non cst4 displacements are expensive).
7101 * config/crx/crx.opt: Add switch for mloop-nesting=.
7103 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7105 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7106 (UNSPEC_MVST): New constant.
7108 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7110 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7111 Reject operands containing eliminable registers.
7112 * testsuite/gcc.dg/20050825-1.c: New testcase.
7114 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7115 Jan Hubicka <jh@suse.cz>
7117 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7119 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7121 PR tree-optimization/23546
7122 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7125 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7127 * params.def (PARAM_MIN_SPEC_PROB): New.
7128 * sched-rgn.c (MIN_PROBABILITY): Delete.
7129 (compute_trg_info): Convert to PARAM_VALUE.
7130 * doc/invoke.texi (param): Document min-spec-prob.
7132 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7134 * config/darwin.h: define __PIC__
7135 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7136 TARGET_OS_CPP_BUILTINS macro.
7138 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7140 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7143 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7145 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7147 * cfghooks.c (duplicate_block): Added position where to place
7148 new block as argument.
7149 * cfghooks.h (duplicate_block): Declaration changed.
7150 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7152 * cfglayout.h (copy_bbs): Declaration changed.
7153 * cfgloop.h (loop_version): Declaration changed.
7154 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7155 position to copy_bbs.
7156 (loop_version): Pass position to duplicate_loop_to_header_edge.
7157 Add place_after argument and position new blocks according to
7159 * modulo-sched.c (sms_schedule): Pass place_after argument
7161 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7162 * tree-cfg.c (split_edge_bb_loc): New function.
7163 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7164 to determine position of new blocks.
7165 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7167 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7168 argument to duplicate_block.
7169 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7170 Pass position to copy_bbs.
7172 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7174 * fold-const.c (ptr_difference_const): Use
7175 cst_and_fits_in_hwi instead of host_integerp.
7177 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7179 * config/darwin.c (gen_pic_offset): New.
7180 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7183 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7185 PR tree-optimization/23486
7186 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7188 2005-08-23 Phil Edwards <phil@codesourcery.com>
7190 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7191 remove use_collect2.
7192 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7194 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7195 configuration files to override the default value.
7197 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7198 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7199 * config/vx-common.h: New file, split out from...
7200 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7201 * config/vxworksae.h: New file, for VxWorks AE.
7202 * config/vxworks.opt: New file.
7203 * config/vxlib.c: Update for VxWorks 6.
7205 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7206 other MULTILIB_* variables appropriately.
7207 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7208 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7209 * config/rs6000/vxworks.h: Update for VxWorks 6.
7210 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7212 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7215 * config/darwin.c (machopic_select_section): Remove the hack to
7216 mark "::operator new" and "::operator delete" for coalescing
7217 even though they are not weak.
7219 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7221 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7222 * configure: Regenerate.
7224 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7227 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7229 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7230 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7233 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7235 * config/rs6000/predicates.md (equality_operator): New.
7236 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7237 comparison with a large constant.
7239 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7241 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7243 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7245 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7246 registers is even, and we have a hardware double precision fp,
7248 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7249 size of current argument when checking if argument was passed in
7252 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7255 * stor-layout.c (finalize_type_size): Dont override
7256 existing alignment with a smaller alignment from the mode.
7258 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7260 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7261 * lambda.h (lambda_vector_lexico_pos): ... here.
7262 * tree-data-ref.c (build_classic_dist_vector): Return false when
7263 the distance vector is lexicographically negative.
7265 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7267 PR tree-optimization/23511
7268 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7269 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7271 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7273 PR tree-optimization/22043
7274 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7275 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7276 If ALLOW_FLEXARR, handle types ending with flexible array member.
7277 Pass false as second argument to recursive count_type_elements calls.
7278 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7279 argument to count_type_elements call.
7280 * tree-sra.c (decide_block_copy): Likewise.
7281 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7282 for a constant-sized object, set cleared as well. Pass true as
7283 second argument to count_type_elements call.
7285 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7288 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7289 from legitimate_small_data_p, and make global. Update use.
7290 Remove forward declaration.
7291 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7293 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7295 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7297 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7298 of scratch intermediates.
7299 (eq<mode>_compare): Same.
7300 (neg_eq0<mode>): New.
7301 (neg_eq<mode>): Convert to define_insn_and_split.
7303 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7306 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7307 stdarg functions, set/clear the fp marker even when no variable
7309 * config/rs6000/sysv4.opt (mprototype): Describe.
7311 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7313 PR rtl-optimization/23478
7314 * regs.h (reg_info): Add throw_calls_crossed.
7315 (REG_N_THROWING_CALLS_CROSSED): Define.
7316 * flow.c (allocate_reg_life_data): Initialize
7317 REG_N_THROWING_CALLS_CROSSED.
7318 (propagate_one_insn, attempt_auto_inc): Update
7319 REG_N_THROWING_CALLS_CROSSED.
7320 * global.c (global_alloc): Don't allocate pseudos across
7321 calls that may throw.
7323 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7326 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7327 value is inbetween the range if we did not find an exact match.
7329 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7331 * doc/invoke.texi (Option Summary): Add ms1 options.
7332 * doc/extend.texi: Document interrupt handler attribute for ms1.
7333 * doc/md.texi: Document ms1 constraints.
7334 * config.gcc: Add ms1-*-elf.
7335 * config/ms1/ms1.h: New.
7336 * config/ms1/ms1.c: New.
7337 * config/ms1/ms1.md: New.
7338 * config/ms1/ms1-protos.h: New.
7339 * config/ms1/ABI.txt: New.
7340 * config/ms1/crti.asm: New.
7341 * config/ms1/crtn.asm: New.
7342 * config/ms1/lib2extra-funcs.c: New.
7343 * config/ms1/t-ms1: New.
7344 * config/ms1/ms1.opt: New.
7346 2005-08-22 Ira Rosen <irar@il.ibm.com>
7348 * config/rs6000/altivec.md (xorv4sf3): New.
7349 (negv4sf2, neg<mode>2): Likewise.
7351 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7354 * config/ia64/ia64.md (divsi3): Check divide by zero.
7355 (udivsi3): Likewise.
7357 (udivdi3): Likewise.
7359 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7361 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7362 up to elem_bitsize bits, not max_bitsize.
7364 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7366 PR tree-optimization/23433
7367 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7368 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7370 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7372 PR tree-optimization/23434
7373 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7374 the iteration bound is not an INTEGER_CST.
7376 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7378 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7379 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7380 NULL if need_epilog_adjust is false.
7381 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7382 Case 3 always peels first itration, not just for PLUS case, and no need
7383 to use scalar_initial_def here. Create an epilog adjustment only if
7384 scalar_initial_def is not NULL.
7386 (vectorizable_reduction): Remove assert.
7388 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7391 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7392 (__moddi3): Likewise.
7393 (__udivdi3): Likewise.
7394 (__umoddi3): Likewise.
7395 (__divsi3): Likewise.
7396 (__modsi3): Likewise.
7397 (__udivsi3): Likewise.
7398 (__umodsi3): Likewise.
7400 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7402 * tree-pass.h (TDF_GRAPH): Define.
7403 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7404 * passes.c (finish_optimization_passes): Only call
7405 finish_graph_dump_file if TDF_GRAPH is set.
7406 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7407 NULL. Set TDF_GRAPH bit.
7408 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7410 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
7412 * arm.h (arm_stack_offsets): Add locals_base field.
7413 * arm.c (arm_get_frame_offsets): Compute it.
7414 (thumb_compute_initial_elimination offset): Make the Thumb frame
7415 pointer point to the base of the local variables.
7416 (thumb_expand_prologue): Update accordingly.
7417 (thumb_expand_epilogue): Likewise.
7419 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
7420 mode of clobbered scratch to DImode. Handle a case that's known to
7423 2005-08-19 David Edelsohn <edelsohn@gnu.org>
7425 * config/rs6000/rs6000.md (gt0<mode>): Delete.
7426 (gt0<mode>_compare): Delete.
7427 (neg_gt0<mode>): Delete.
7429 2005-08-19 Eric Christopher <echristo@apple.com>
7431 * optabs.h: Change CTI_ to COI_.
7434 2005-08-19 James E Wilson <wilson@specifix.com>
7436 * builtins.c (expand_builtin_return_addr): Set
7437 current_function_accesses_prior_frames when count != 0. Use
7438 frame_pointer_rtx when count == 0.
7439 * function.h (struct function): Add accesses_prior_frames field.
7440 (current_function_accesses_prior_frames): Define.
7441 * reload1.c (init_elim_table): Check
7442 current_function_accesses_prior_frames.
7443 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7445 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7447 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7448 indicator. Return true if the flowgraph changed during
7451 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7454 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7455 conditional expression before testing its value.
7457 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7459 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7461 2005-08-19 Devang Patel <dpatel@apple.com>
7463 PR tree-optimization/23048
7464 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7465 third parameter. Check whether latch is dominated by exit
7467 (if_convertible_loop_p): Supply exit block itself to
7468 if_convertible_bb_p.
7470 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7473 * arm.md (arm_load_pic_register): Change argument to the mask of
7474 saved registers. Call thumb_find_work_register if we need a
7475 scratch register on Thumb.
7476 (arm_expand_prologue): Pass empty register set to
7477 arm_load_pic_register.
7478 (thumb_expand_prologue): Pass live_regs_mask directly to
7479 arm_load_pic_register.
7480 * arm-protos.h (arm_load_pic_register): Update prototype.
7482 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
7484 * sh.c (find_sole_member): New function.
7485 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7486 if the record's alignment is larger than the size of its only member.
7488 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7491 * arm.c (thumb_legitimize_reload_address): New function.
7492 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7493 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7495 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
7497 * config/crx/crx.c: Implement crx_decompose_address. Reject
7498 symbolic displacements since CRX register relative adressing
7499 mode can't handle unsigned 32-bit values as displacements.
7500 * config/crx/crx.h: Simplify definitions, remove redundant
7501 parenthesis and obsolete macros.
7502 * config/crx/crx.opt: Add new switch for debugging addresses.
7503 * config/crx/crx-protos.h: Add new declarations for above.
7505 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
7508 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7511 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7513 * collect2.c (dup2): Delete.
7514 * configure.ac: Don't check for dup2.
7516 * config.in, configure: Regenerate.
7518 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
7520 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7521 record with the type of its only member.
7523 2005-08-18 David Edelsohn <edelsohn@gnu.org>
7525 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7526 define_insn_and_split.
7527 (plus_ltu<mode>_compare): Same.
7528 (gtu<mode>_compare): Same.
7529 (plus_gtu<mode>_compare): Same.
7531 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
7533 PR tree-optimization/22228
7534 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7536 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7537 are recorded in vect_vnames_to_rename for renaming.
7538 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7539 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7540 in vect_vnames_to_rename.
7541 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7542 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7544 2005-08-18 Jan Hubicka <jh@suse.cz>
7547 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7548 info only for local statics, not for member variables.
7550 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7552 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7554 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7556 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7558 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
7561 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7563 2005-08-17 James E Wilson <wilson@specifix.com>
7565 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7568 2005-08-17 David Edelsohn <edelsohn@gnu.org>
7570 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7571 (leu<mode>_compare): Same.
7572 (plus_leu<mode>): Same.
7573 (neg_leu<mode>): Same.
7574 (and_neg_leu<mode): Same.
7575 (ltu<mode>_compare): Same.
7576 (plus_ltu<mode>): Same.
7578 (geu<mode>_compare): Same.
7579 (plus_geu<mode>): Same.
7580 (neg_geu<mode>): Same.
7581 (and_neg_geu<mode>): Same.
7582 (plus_gt<mode>): Same.
7583 (gtu<mode>_compare): Same.
7584 (plus_gtu<mode>): Same.
7586 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
7588 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7589 Move call_table_data to end. Delete spurious .text.
7590 (callt_save_all_interrupt): Fix comment typo.
7592 2005-08-17 James E Wilson <wilson@specifix.com>
7593 Kevin Winchester <winchester@amirix.com>
7596 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7598 2005-08-17 Uros Bizjak <uros@kss-loka.si>
7601 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7602 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7604 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
7606 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7607 record with the type of its only member if the modes don't match.
7609 * varasm.c (decode_reg_name): Skip empty additional register names.
7611 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7613 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7614 lsm_tmp_name_length): New.
7615 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7616 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7618 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7619 Andreas Krebbel <krebbel1@de.ibm.com>
7621 * config.gcc: Added z9-109 switch.
7622 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7623 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7624 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7625 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7626 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7627 for "z9_109" cpu attribute.
7628 * config/s390/s390.c (z9_109_cost): New processor cost structure.
7629 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7630 (s390_handle_arch_option): Added z9-109 switch.
7631 (override_options): Set respective cost function for z9-109.
7632 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7633 (legitimate_reload_constant_p): Accept extended immediates.
7634 (print_operand): Three new output modifiers added: k, m and o.
7635 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7636 (s390_output_mi_thunk): Use extended immediate when possible.
7637 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7638 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7639 (CONSTRAINT_LEN): Added length of O constraint.
7640 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7641 * config/s390/s390.md ("cpu"): New value z9_109 added.
7642 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7643 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7644 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7645 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7646 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7647 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7648 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7649 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7650 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7651 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7652 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7653 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7654 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7655 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7656 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7658 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7659 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7660 insns for TARGET_EXTIMM.
7662 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
7664 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7666 2005-08-17 Nick Clifton <nickc@redhat.com>
7668 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7669 Call default_encode_section_info.
7671 2005-08-17 Steven Bosscher <stevenb@suse.de>
7673 PR tree-optimization/21574
7674 * tree-ssa-ccp.c (likely_value): If the right hand side is a
7675 constant, return CONSTANT.
7676 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7677 (ccp_fold, visit_assignment): Likewise.
7678 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7680 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7682 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7683 fold_buildN instead of buildN then fold_initializer or fold.
7684 (build_unary_op): Likewise.
7685 (build_binary_op): Likewise.
7686 * fold-const.c (fold_initializer): Remove.
7687 (fold_build1_initializer): New function.
7688 (fold_build2_initializer): New function.
7689 (fold_build3_initializer): New function.
7690 * tree.h (fold_initializer): Remove.
7691 (fold_build1_initializer): New function.
7692 (fold_build2_initializer): New function.
7693 (fold_build3_initializer): New function.
7695 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7697 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7698 (try_move_mult_to_index): Call fold_build2 instead of build2.
7699 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7700 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7701 fold_binary_to_constant.
7702 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7704 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7705 check if A == gcd (A, B). Remove TYPE argument.
7706 (analyze_offset) Use fold_build2 instead of fold (build.
7707 (create_data_ref): Likewise.
7708 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7709 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7712 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
7714 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7715 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7717 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
7720 * gimplify.c (zero_sized_type): New function.
7721 (gimplify_modify_expr_rhs): If we have a zero sized type,
7722 replace the statement with an empty statement.
7724 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
7726 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7729 2005-08-16 Ian Lance Taylor <ian@airs.com>
7731 * doc/tm.texi (Label Output): Correct typo.
7733 2005-08-16 Steven Bosscher <stevenb@suse.de>
7736 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7737 force_operand will work later on using have_insn_for.
7739 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7741 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7743 2005-08-16 Ian Lance Taylor <ian@airs.com>
7746 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7747 vector type, don't try to construct it element by element. Add an
7748 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7750 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7752 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7754 2005-08-16 Geoffrey Keating <geoffk@apple.com>
7756 * doc/invoke.texi (Precompiled Headers): Document some more options
7757 which are known to be safe.
7759 2005-08-16 James E Wilson <wilson@specifix.com>
7761 PR tree-optimization/21105
7762 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7763 TREE_OVERFLOW check.
7765 2005-08-16 David Edelsohn <edelsohn@gnu.org>
7767 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7768 (neg_ltu<mode>): Same.
7770 (neg_gtu<mode>): Same.
7772 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7774 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7775 (fold_builtin_isdigit): Use fold_buildN.
7776 (build_function_call_expr): Likewise.
7777 * c-typeck.c (c_finish_loop): Likewise.
7779 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
7780 Richard Shann <rshann@superh.com>
7782 PR middle-end/20396:
7783 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7785 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
7787 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7789 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
7792 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7793 arm_compure_save_reg0_reg12_mask to determine when the PIC register
7796 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7799 * fold-const.c (build_range_check): Disable optimization for function
7800 pointer expressions on targets that require function pointer
7803 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
7805 * simplify-rtx.c (simplify_const_relational_operation): When
7806 extracting arguments of a COMPARE, recompute the mode as well.
7808 2005-08-15 Ian Lance Taylor <ian@airs.com>
7810 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7812 2005-08-15 DJ Delorie <dj@redhat.com>
7814 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7816 (movsi_splittable): Allow, but split, moves to the stack.
7817 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7820 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7822 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7823 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7824 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7826 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7827 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7828 Delete HOST_PTR_PRINTF.
7830 * configure, config.in: Regenerate.
7832 2005-08-15 David Edelsohn <edelsohn@gnu.org>
7834 * config/rs6000/rs6000.md (QHSI): New mode macro.
7835 (wd): Extend mode attr for QImode and HImode
7836 (dbits): New mode attr.
7837 (zero_extend<mode>di2): Convert to mode macro.
7839 2005-08-15 Steve Ellcey <sje@cup.hp.com>
7842 * doc/invoke.texi (-mgnu-ld): Update description.
7845 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7848 * Makefile.in (tree-chrec.o): Depends on real.h.
7849 * tree-chrec.c: Include real.h.
7850 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7851 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7852 * tree-scalar-evolution.c (add_to_evolution_1,
7853 interpret_rhs_modify_expr): Ditto.
7855 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7858 * tree-data-ref.c (estimate_niter_from_size_of_data): When
7859 step is negative compute the estimation from init downwards to zero.
7861 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
7863 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7865 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7867 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7869 (legitimate_reload_constant_p): Fix handling of lliXX operands.
7870 Accept double-word constants that can be split.
7871 * config/s390/s390.md ("movti"): Use 'P' constraint.
7872 ("*movdi_31", "*movdf_31"): Likewise.
7874 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
7876 Fix PR tree-optimization/22615
7878 * tree-ssa-structalias.c (solution_set_add): Handle
7879 first_vi_for_offset returning NULL.
7880 (do_da_constraint): Ditto.
7881 (do_sd_constraint): Ditto.
7882 (do_ds_constraint): Ditto
7883 (find_func_aliases): Ditto.
7884 (build_constraint_graph): RHS is allowed be ANYTHING.
7885 (first_vi_for_offset): Return NULL if we couldn't find anything at
7888 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7890 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7891 over memory as first operand.
7893 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
7896 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7897 available for setting it.
7899 2005-08-14 Ira Rosen <irar@il.ibm.com>
7901 PR tree-optimization/23320
7902 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7903 data-refs' types instead of base object nullness. Add check for
7904 pointer type data-refs before first location comparison. Remove
7907 2005-08-14 Andreas Schwab <schwab@suse.de>
7909 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7911 2005-08-13 James E Wilson <wilson@specifix.com>
7913 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7914 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7915 -fstack-protector-all, --param ssp-buffer-size): Document.
7916 (-Wvariadic-macros): Alphabetize.
7917 (-fsched-stalled-insns-dep): Add missing 'f'.
7919 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7922 2005-08-13 David Edelsohn <edelsohn@gnu.org>
7924 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7925 or indirect address operand.
7926 (EXTRA_ADDRESS_CONSTRAINT): New.
7927 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7929 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
7931 PR tree-optimization/22236
7932 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7933 successors and predecessors.
7934 * tree-chrec.c (chrec_convert): Before converting, check that
7935 sequences don't wrap.
7936 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7937 (analyze_array): Extern.
7938 (find_data_references_in_loop): Remove call to
7939 compute_estimated_nb_iterations.
7940 * tree-data-ref.h (analyze_array): Declared.
7941 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7942 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7943 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7944 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7946 * tree-ssa-loop-ivcanon.c: Fix documentation.
7947 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7948 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7949 (infer_loop_bounds_from_undefined): New.
7950 (estimate_numbers_of_iterations_loop): Use
7951 infer_loop_bounds_from_undefined.
7952 (used_in_pointer_arithmetic_p): New.
7953 (scev_probably_wraps_p): Pass an extra parameter. Call
7954 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
7955 (convert_step): Fix documentation.
7956 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7957 Use initial_condition_in_loop_num and evolution_part_in_loop_num
7958 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
7959 scev_probably_wraps_p.
7961 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
7963 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7964 (s390_register_info): Ignore clobbered_regs information for fixed
7965 registers, and only fixed registers.
7966 (s390_init_frame_layout): Remove redundant call.
7968 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
7970 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7971 description of -Wold-style-casts.
7973 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7974 Jakub Jelinek <jakub@redhat.com>
7976 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7977 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7978 * config/s390/s390.c (print_operand): New output modifier 'G' added.
7979 (get_thread_pointer): Renamed to s390_get_thread_pointer.
7980 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7981 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7982 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7983 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7984 ("stack_protect_set", "stack_protect_test"): New expanders.
7985 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7986 "stack_protect_testdi"): New insn definitions.
7988 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7990 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7992 2005-08-12 Paul Brook <paul@codesourcery.com>
7994 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7996 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7998 * config/s390/predicates.md (setmem_operand): New predicate.
7999 (shift_count_operand): Accept ANDs with special constants as
8001 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8002 with special constants.
8003 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8004 shift_count_operand with setmem_operand.
8006 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8008 * config/s390/s390.c (s390_extract_part, s390_single_part):
8010 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8011 (s390_output_mi_thunk): Don't use lg on 31 bit.
8012 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8013 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8015 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8017 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8018 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8019 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8020 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8021 with one of the new macros.
8023 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8025 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8026 Don't set save_return_addr_p.
8027 (s390_register_info): Make clobbered_regs not depending on
8030 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8032 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8033 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8035 2005-08-11 James E. Wilson <wilson@specifix.com>
8037 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8039 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8041 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8042 locations gathered by var-tracking in single entry loc_list
8043 over loc_descriptor_from_tree.
8045 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8046 pass it down to loc_descriptor.
8047 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8048 (containing_function_has_frame_base): Move earlier in the file.
8049 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8050 instead of always assuming fbreg can't be used.
8052 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8054 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8055 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8056 Accept address wrapped in AND for Altivec.
8057 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8058 Strip AND wrapping offset address for Altivec.
8060 2005-08-11 Richard Henderson <rth@redhat.com>
8063 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8064 before using TYPE_IS_SIZETYPE.
8066 2005-08-11 Richard Henderson <rth@redhat.com>
8069 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8070 insn types not present on ev4.
8071 (alphaev5_insn_pipe): Similarly.
8073 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8076 * arm.c (arm_override_options): If the user has selected callee-super-
8077 interworking, then enable normal interworking.
8079 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8081 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8084 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8086 * doc/rtl.texi: Fix two typos.
8088 2005-08-11 Richard Guenther <rguenther@suse.de>
8091 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8092 cases where we call to/from functions returning void.
8094 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8097 * tree.c (build_pointer_type_for_mode): Robustify.
8099 2005-08-10 James E Wilson <wilson@specifix.com>
8101 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8102 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8104 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8107 2005-08-10 Eric Christopher <echristo@apple.com>
8109 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8110 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8113 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8116 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8117 for the high part when generating dynamic-no-pic code.
8119 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8121 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8122 (x86_64-*-linux*): Likewise.
8124 * config/i386/crtfastmath.c: New file.
8125 * config/i386/t-crtfm: Likewise.
8127 * config/i386/linux.h (ENDFILE_SPEC): New.
8128 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8130 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8133 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8135 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8136 (vec_shl, vec_shr): Document new operations.
8137 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8139 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8141 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8142 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8143 change predicate to indexed_or_indirect_address.
8145 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8147 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8148 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8149 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8150 and __aeabi_uwrite8.
8151 * config/arm/unaligned-funcs.c: New file.
8152 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8154 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8156 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8158 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8159 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8161 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8162 * final.c (pass_shorten_branches): Add dump.
8163 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8164 (pass_life): Rename dump.
8165 (rest_of_handle_flow2): Remove initial verify_flow_info.
8166 * function.c (pass_instantiate_virtual_regs): Add dump.
8167 * integrate.c (pass_initial_value_sets): Add dump.
8168 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8169 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8170 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8171 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8172 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8173 gate_rtl_unrool_and_peel_loops): New.
8174 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8175 rtl_doloop): Do not look at flags.
8176 * mode-switching.c (pass_mode_switching): Add dump.
8177 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8178 pass_split_before_regstack): Add dump.
8179 * regmove.c (pass_stack_adjustments): Add dump.
8180 * tree-optimize.c (pass_fixup_cfg): Add dump.
8182 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8185 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8186 deciding which instruction sequence to use.
8188 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8190 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8191 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8193 2005-08-09 Richard Guenther <rguenther@suse.de>
8195 * c-common.c (builtin_function_2): Remove.
8196 (def_builtin_1): New function.
8197 (c_common_nodes_and_builtins): Use def_builtin_1 to
8198 build builtin functions.
8200 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8202 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8203 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8204 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8207 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8209 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8210 fold_binary instead of fold_build2 since we don't care about the
8212 (loop_niter_by_eval): Likewise.
8213 (compare_trees): Likewise.
8214 (proved_non_wrapping_p): Likewise.
8216 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8220 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8221 if the if is really empty.
8223 2005-08-09 Steven Bosscher <stevenb@suse.de>
8225 PR tree-optimization/23234
8226 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8227 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8228 argument of the new enum.
8229 (execute_cse_reciprocals): Add reciprocals for function arguments
8230 on the unique successor edge of the entry block. Update other calls
8231 to execute_cse_reciprocals_1.
8233 2005-08-08 Richard Henderson <rth@redhat.com>
8236 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8238 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8240 * expr.c (write_complex_part): Return after handling MEM.
8242 2005-08-08 Josh Conner <jconner@apple.com>
8244 PR rtl-optimization/23241
8245 * combine.c (simplify_comparison): Fix error in determining
8246 whether to lift a subreg from comparison.
8248 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8251 * config/rs6000/altivec.md (vec_init<mode>): New.
8252 (vec_set<mode>): New.
8253 (vec_extract<mode>): New.
8254 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8255 (rs6000_expand_vector_set): New.
8256 (rs6000_expand_vector_extract): New.
8257 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8258 for Altivec modes before reload.
8259 (altivec_expand_vec_init_builtin): New.
8260 (get_element_number): New.
8261 (altivec_expand_vec_set_builtin): New.
8262 (altivec_expand_vec_ext_builtin): New.
8263 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8265 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8267 * config/rs6000/rs6000.h (rs6000_builtins): Add
8268 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8269 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8270 * config/rs6000/rs6000-protos.h: Declare new functions.
8272 2005-08-08 Jan Hubicka <jh@suse.cz>
8274 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8275 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8276 * i386.md (movdi*): Use pic_32bit_operand.
8277 * predicates.md (pic_32bit_operand): New.
8279 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8282 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8284 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8286 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8287 (test_for_singularity): Use fold_build2.
8289 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8291 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8293 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8295 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8296 (COMMON_ASM_OP) Define.
8297 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8298 (ix86_encode_section_info): Likewise.
8299 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8300 SUBTARGET_ENCODE_SECTION_INFO.
8302 2005-08-06 Richard Henderson <rth@redhat.com>
8305 * tree-nested.c (convert_local_reference): Save and restore val_only
8306 around component_ref and friends. Clear walk_subtrees by default.
8308 2005-08-06 Peter O'Gorman <peter@pogma.com>
8311 * gcc.c (process_command): Check the argument to -b has a dash.
8312 * doc/invoke.texi: Update -b and -V docs.
8314 2005-08-06 James E Wilson <wilson@specifix.com>
8316 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8318 2005-08-06 Michael Matz <matz@suse.de>
8320 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8321 member only if only one insn is associated with the value.
8323 2005-08-06 Nick Clifton <nickc@redhat.com>
8325 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8327 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8328 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8329 Check symbol flags instead of symbol name mangling.
8330 (xstormy16_asm_output_aligned_common): Likewise. Also
8331 simplify code since the bss100_section cass is the only case
8332 where the below100 code will be triggered.
8333 (xstormy16_encode_section_info): Encode below100 attribute
8334 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8336 (xstormy16_strip_name_encoding): Delete - this function is no
8338 (TARGET_STRIP_NAME_ENCODING): Undefine.
8339 * config/stormy16/stormy16-protos.h: Delete prototype for
8340 xstormy16_strip_name_encoding.
8342 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8344 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8345 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8346 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8347 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8348 config/alpha/predicates.md, config/arc/arc.h,
8349 config/arm/arm.h, config/arm/ieee754-df.S,
8350 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8351 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8352 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8353 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8354 config/m68hc11/m68hc11.h, config/mips/mips.c,
8355 config/mips/mips.h, config/mips/openbsd.h,
8356 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8357 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8358 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8359 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8360 config/sparc/linux.h, config/sparc/linux64.h,
8361 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8362 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8363 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8364 typos. Follow spelling conventions.
8366 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8369 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8370 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8371 specially. Check for side effects only for COND_EXPR.
8372 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8373 return with TREE_NO_WARNING.
8375 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8377 PR rtl-optimization/23233
8378 * loop.c (combine_movables): Require the modes to be the same.
8379 (move_movables): Remove handling of cases where the replacement
8380 had a different mode to the original.
8382 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8384 PR tree-optimization/23128
8385 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8386 subtraction wrap, and set TREE_OVERFLOW if they do.
8388 2005-08-05 Richard Henderson <rth@redhat.com>
8391 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8392 FORCED_LABEL labels.
8394 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8397 * reload.c (find_reloads_subreg_address): Pass down TYPE
8398 unchanged. Change all callers except find_reloads_toplev.
8400 2005-08-05 Michael Matz <matz@suse.de>
8402 * genattrtab.c (current_alternative_string): Remove.
8403 (SIMPLIFY_ALTERNATIVE): Ditto.
8404 (attr_alt_bit_p): Ditto.
8405 (alternative_name): Make const char *.
8406 (evaluate_eq_attr): Remove use of above things.
8407 (simplify_test_exp): Ditto.
8408 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8409 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8411 2005-08-04 James E Wilson <wilson@specifix.com>
8413 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8414 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8415 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8416 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8417 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8419 2005-08-04 Richard Henderson <rth@redhat.com>
8422 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8423 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8424 * tree-sra.c (decide_block_copy): Use it. Disable element copy
8425 if we'd have to instantiate too many members.
8427 2005-08-04 Richard Henderson <rth@redhat.com>
8430 * tree-outof-ssa.c (coalesce_asm_operands): New.
8431 (coalesce_ssa_name): Use it. Split out ...
8432 (coalesce_phi_operands, coalesce_result_decls): ... these.
8434 2005-08-04 Paul Brook <paul@codesourcery.com>
8436 * read-rtl.c (read_quoted_string): Break if EOF.
8438 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
8440 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8441 (fold_build2): Likewise.
8442 (fold_build3): Likewise.
8443 (fold_build1_stat): New function prototype.
8444 (fold_build2_stat): Likewise.
8445 (fold_build3_stat): Likewise.
8446 * fold-const.c (fold_build1): Rename to ..
8447 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8448 through to build1_stat.
8449 (fold_build2): Rename to ..
8450 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8451 through to build2_stat.
8452 (fold_build3): Rename to ..
8453 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8454 through to build3_stat.
8456 2005-08-04 David Edelsohn <edelsohn@gnu.org>
8457 Ian Lance Taylor <ian@airs.com>
8459 * function.c (assign_stack_local_1): Do not correct stack slot
8460 address if allocation size is smaller than mode size.
8462 2005-08-04 Diego Novillo <dnovillo@redhat.com>
8465 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8466 (tree_merge_blocks): Propagate anything allowed by
8468 Clarify documentation.
8469 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8470 SSA form, schedule an update if necessary.
8472 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
8474 * doc/install.texi (Binaries): Remove broken link to
8475 Sinix/Reliant Unix binaries.
8477 2005-08-03 Richard Henderson <rth@redhat.com>
8480 * function.c (stack_protect_epilogue): Export.
8481 * tree.h (stack_protect_epilogue): Declare.
8482 * calls.c (expand_call): Call it.
8484 2005-08-03 Eric Christopher <echristo@apple.com>
8486 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8487 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8490 2005-08-04 Jan Hubicka <jh@suse.cz>
8492 * profile.c (branch_prob): Split edges with goto locus on them
8493 to get proper line counts.
8494 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8496 2005-08-03 Paul Brook <paul@codesourcery.com>
8498 * function.c (assign_parms): Round current_function_args_size
8499 to PARM_BOUNDARY, not STACK_BOUNDARY.
8501 2005-08-03 Geoffrey Keating <geoffk@apple.com>
8503 * config/i386/i386.c (x86_elf_aligned_common)
8504 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8506 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
8508 PR tree-optimization/23157
8509 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8510 before emitting them.
8512 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8514 PR tree-optimization/19899
8515 * Makefile.in (tree-scalar-evolution.o): Add real.h.
8516 * tree-scalar-evolution.c: Include real.h.
8517 (add_to_evolution): Build constant -1 of correct type.
8519 2005-08-03 Jan Hubicka <jh@suse.cz>
8521 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8522 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8523 profile updating for complette unrolling.
8524 * loop-unroll.c (peel_loop_completely): Use it.
8525 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8526 (tree_unroll_loops_completely): Disable code growing unrolling of cold
8529 2005-08-03 Paul Brook <paul@codesourcery.com>
8531 * combine.c (can_change_dest_mode): New function.
8532 (try_combine, simplify_set): Use it.
8534 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
8536 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8539 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
8541 * doc/install.texi (Specific): Adjust link to openavr.org.
8542 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8543 (Binaries): Adjust HP-UX Porting Center link.
8544 (Binaries): Adjust Free Software Foundation ordering link.
8546 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
8548 * convert.c (convert_to_integer): Use fold_build1 instead of
8549 build1 when converting an integer to an integer.
8551 2005-08-02 Richard Henderson <rth@redhat.com>
8553 * combine.c (combine_instructions): Don't use reg_equal/equiv
8554 results if the mode doesn't match.
8556 2005-08-02 Mark Mitchell <mark@codesourcery.com>
8558 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8559 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8561 2005-08-02 Richard Henderson <rth@redhat.com>
8564 * explow.c (memory_address): Remove special-case for
8565 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8567 2005-08-02 Diego Novillo <dnovillo@redhat.com>
8570 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8571 number of calls to cleanup_tree_cfg_1.
8573 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
8575 * doc/invoke.texi: document file extensions .F90 and .F95
8577 2005-08-02 Richard Guenther <rguenther@suse.de>
8579 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8580 positive if its first argument is positive.
8582 2005-08-02 Richard Guenther <rguenther@suse.de>
8584 PR tree-optimization/23177
8585 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8588 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
8590 PR tree-optimization/23129
8591 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8592 varying for divisions with anti-ranges.
8594 2005-08-02 Jan Hubicka <jh@suse.cz>
8596 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8597 * tree-ssa-threadupdate.c (thread_block): Add it here.
8599 2005-08-01 James E Wilson <wilson@specifix.com>
8601 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8602 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8603 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8605 * config/mips/predicates.md (const_call_insn_operand): Add check for
8606 SYMBOL_REF_LONG_CALL_P.
8607 * doc/extend.texi (long_call): Document the new attribute.
8609 2005-08-01 Ian Lance Taylor <ian@airs.com>
8610 Richard Henderson <rth@redhat.com>
8612 * Makefile.in (RTL_BASE_H): Add real.h.
8613 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8615 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8617 * rtl.c (rtl_check_failed_code_mode): New.
8618 * rtl.h (struct rtx_def): Add u.rv.
8619 (XCMWINT, XCNMPRV): New.
8620 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8621 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8623 2005-08-01 Richard Henderson <rth@redhat.com>
8625 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8626 with auto-inc codes.
8628 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8630 2005-08-01 Jan Hubicka <jh@suse.cz>
8632 * i386-protos.h (asm_preferred_eh_data_format): Declare.
8633 * i386.c: Include dwarf2.h
8634 (asm_preferred_eh_data_format): New.
8635 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8637 2005-08-01 Ian Lance Taylor <ian@airs.com>
8639 * config/host-linux.c (linux_gt_pch_get_address): Add new name
8640 randomize_va_space for virtual address randomization control.
8642 2005-08-01 Steven Bosscher <stevenb@suse.de>
8644 * common.opt (flag_ipa_cp): Put in right place to maintain
8647 2005-08-01 Jan Hubicka <jh@suse.cz>
8649 * profile.c (compute_value_histograms): Fix thinko.
8650 * value-prof.c: Include toplev.h
8651 (check_counter): New function.
8652 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8653 tree_mod_subtract_transform): Add sanity check.
8655 2005-08-01 Richard Guenther <rguenther@suse.de>
8657 PR tree-optimization/23133
8658 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8659 current functions parameter decls to find defs to cse
8662 2005-08-01 Richard Guenther <rguenther@suse.de>
8664 PR tree-optimization/23109
8665 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8666 If trapping math is in effect, use post-dominator information
8667 to check if we'd in any case reach a trapping point before
8668 doing the reciprocal insertion.
8669 (execute_cse_reciprocals): Compute post-dominators, if necessary.
8670 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8671 expressions are invariant only if trapping math is not in effect.
8673 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8675 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8676 cgraph_function_versioning): New declarations.
8677 * cgraphunit.c: Add include to ipa-prop.h.
8678 (update_call_expr, cgraph_copy_node_for_versioning,
8679 cgraph_function_versioning): New functions.
8680 * integrate.c (copy_decl_for_inlining): Remove.
8681 * ipa-prop.h (ipa_replace_map): New struct.
8682 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8683 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8684 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8685 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8686 ipcp_iterate_stage, ipcp_method_scale_print,
8687 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8688 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8689 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8690 ipcp_update_bb_counts, ipcp_update_profiling,
8691 ipcp_update_edges_counts): New functions.
8692 (ipcp_method_cval_init): Remove restriction regarding local methods.
8693 (ipcp_init_stage): Add ipcp_method_compute_scale.
8694 (ipcp_insert_stage): Add versioning.
8695 (ipcp_structures_print): Add ipcp_method_scale_print.
8696 (ipcp_driver): Dump profiling info.
8697 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8698 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8699 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8700 (struct inline_data): Add versioning_p, ipa_info, new fields.
8701 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8702 declare_return_variable): Replace calls to copy_decl_for_inlining with
8704 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8706 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8707 Add argument VERSIONING.
8708 (copy_arguments_for_versioning, copy_static_chain,
8709 function_versionable_p, tree_versionable_function_p,
8710 tree_function_versioning, replace_ref_tree): New functions.
8711 * tree-inline.h: Include varray.h.
8712 (tree_versionable_function_p, tree_function_versioning,
8713 tree copy_decl_for_dup): New declarations.
8715 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8717 * ipa-cp.c: New file. Contains IPCP specific functionality.
8718 * ipa-prop.h: New file. Contains structures/definitions that can be
8719 used by several interprocedural data flow optimizations (and also IPCP).
8720 * ipa-prop.c: New file.
8721 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8722 * common.opt: Add ipa-cp flag.
8723 * timevar.def: Add IPCP optimization.
8724 * tree-optimize.c (init_tree_optimization_passes): Schedule
8726 * tree-pass.h (pass_ipa_cp): Declare.
8728 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
8730 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8731 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8732 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8733 config/i386/i386.c, config/mips/mips.h,
8734 config/rs6000/rs6000.h, config/sh/sh.c,
8735 config/stormy16/stormy16.c: Fix comment typos.
8737 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
8740 * c-typeck.c (build_binary_op): Use common_type wrapper on
8742 (common_type): Update comment.
8744 2005-07-31 Steven Bosscher <stevenb@suse.de>
8747 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8748 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8749 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8751 2005-07-31 Jan Hubicka <jh@suse.cz>
8753 * pretty-print.h (pp_widest_integer): New macro.
8754 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8757 2005-07-31 Jan Hubicka <jh@suse.cz>
8759 * output.h (enum section_category): Export from varasm.c
8760 (categorize_decl_for_section): Likewise.
8761 * varasm.c (enum section_category): Kill.
8762 (categorize_decl_for_section): Make global.
8763 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8765 * i386.c (ix86_section_threshold): New static variable.
8766 (ix86_in_large_data_p, ix86_encode_section_info,
8767 x86_64_elf_unique_section,
8768 x86_64_elf_select_section): New functions.
8769 (TARGET_ENCODE_SECTION_INFO): Define
8770 (override_options): Enable medium model for PIC.
8771 (ix86_expand_prologue): Expand gen_set_got_rex64.
8772 (legitimate_constant_p): Handle new UNSPECs.
8773 (legitimate_pic_address_disp_p): Likewise.
8774 (legitimize_pic_address): Lower MEDIUM model addressing.
8775 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8776 (enum cmodel): Add MEDIUM_PIC.
8777 (SYMBOL_REF_FAR_ADDR_P): New macro.
8778 (SYMBOL_FLAG_FAR_ADDR): New flag.
8779 * i386.md (movdi): Support medium model.
8780 (set_got_rex64): New pattern.
8781 * i386.opt (mlarge-data-threshold): New flag.
8782 * predicates.md (zext_operand/sext_operand): Deal with medium model.
8783 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8784 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8785 TARGET_ASM_UNIQUE_SECTION): New.
8787 * invoke.texi (-mlarge_data_threshold): Document
8789 2005-07-31 Jan Hubicka <jh@suse.cz>
8791 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8792 (coalesce_vars): Likewise.
8793 * tree-ssa-live.c (coalesce_cost): New.
8794 (build_tree_conflict_graph): Use coalesce_cost.
8795 * tree-ssa-live.h (coalesce_cost): Declare.
8797 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
8799 * arm.md (all peepholes for post-increment operations): Delete.
8800 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8801 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8802 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8803 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8804 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8806 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
8808 * fold-const.c (tree_expr_nonnegative_p): Always return true for
8811 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
8814 * doc/invoke.texi: Document -rdynamic.
8816 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
8819 * c-parser.c (c_parser_parms_list_declarator): Call
8820 mark_forward_parm_decls.
8821 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8822 decls with visibility structure.
8824 2005-07-30 Paul Brook <paul@codesourcery.com>
8826 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8828 2005-07-30 Paul Brook <paul@codesourcery.com>
8830 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8832 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8834 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8836 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8839 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8840 nested function declarators.
8841 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8842 (grokparms): Call warn_if_shadowing for parameters used within the
8844 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8845 not used within the parameter list.
8846 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8848 2005-07-30 Jan Hubicka <jh@suse.cz>
8850 * expr.c (expand_expr_real_1): Do not load mem targets into register.
8851 * i386.c (ix86_fixup_binary_operands): Likewise.
8852 (ix86_expand_unary_operator): Likewise.
8853 (ix86_expand_fp_absneg_operator): Likewise.
8854 * optabs.c (expand_vec_cond_expr): Validate dest.
8856 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8859 * real.c (real_from_string): Also set last bit if there is a
8860 nonzero hex digit beyond GCC's internal precision after ".".
8862 2005-07-29 David Edelsohn <edelsohn@gnu.org>
8864 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8865 define_constants. Change duplicate values to unassigned numbers.
8866 Change UNSPEC_SUBS to UNSPEC_VSUBS.
8867 (*altivec_vspltsf): New.
8868 (altivec_vperm_v4sf): Delete.
8869 (altivec_vperm_<mode>): Use mode macro V.
8870 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8871 (altivec_predicate_v4sf): Delete.
8872 (altivec_predicate_<mode>): Use mode macro V.
8873 (*altivec_lvesfx): New.
8874 (*altivec_stvesfx): New.
8875 (vec_realign_load_v4sf): Delete.
8876 (vec_realign_load_<mode>): Use mode macro V.
8877 * config/rs6000/rs6000.c (generate_set_vrsave): Use
8880 2005-07-29 Mark Mitchell <mark@codesourcery.com>
8883 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8885 * configure: Regenerated.
8887 2005-07-29 Paul Brook <paul@codesourcery.com>
8889 * doc/install.texi: Add link to GFortran binaries wiki page.
8891 2005-07-29 David Ung <davidu@mips.com>
8893 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8894 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8895 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8896 * config/mips/mips.md (cpu): Add 5kf name.
8897 (includes): Includes 5k.md.
8898 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8899 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8902 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8905 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8906 (cleanup_tree_cfg): ... here.
8907 Call cleanup_tree_cfg_1 until there are no more cleanups to
8910 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
8912 * tree-vrp.c (compare_range_with_value): Return true or false
8913 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8914 EQ_EXPR respectively.
8916 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
8918 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8921 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8923 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8924 (tree_ssa_dominator_optimize): Increment it.
8925 (dump_dominator_optimization_stats): Print it.
8927 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
8928 Steven Bosscher <stevenb@suse.de>
8930 PR rtl-optimization/23117
8931 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8932 when head == tail. Tidy comment.
8934 2005-07-28 Richard Henderson <rth@redhat.com>
8936 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8937 * cselib.c (rtx_equal_for_cselib_p): Likewise.
8938 * jump.c (rtx_renumbered_equal_p): Likewise.
8939 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8940 CONST_INT and CONST_DOUBLE.
8941 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8942 * reload.c (operands_match_p): Special case CONST_INT and
8943 CONST_DOUBLE; check mode earlier.
8945 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8948 * c-typeck.c (convert_for_assignment): Do not check
8949 DECL_IN_SYSTEM_HEADER on NULL fundecl.
8951 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8954 * c-typeck.c (composite_type): Prefer constant size arrays to
8957 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8960 * real.c (real_from_string): Set last bit if there is a nonzero
8961 hex digit beyond GCC's internal precision.
8963 2005-07-28 Richard Henderson <rth@redhat.com>
8966 * cfgcleanup.c (try_forward_edges): Watch out for end of
8969 2005-07-28 James E Wilson <wilson@specifixinc.com>
8972 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8974 2005-07-28 Jan Hubicka <jh@suse.cz>
8976 * Makefile.in (rtl-profile.o): Kill all traces of it.
8977 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8978 * coverage.h (rtl_coverage_counter_ref): Kill.
8979 * opts.c (flag_speculative_prefetching_set): Kill.
8980 (flag_loop_optimize_set): New.
8981 (common_handle_option): Disable loop optimizer when profiling;
8982 do not handle speculative prefetching.
8983 * passes.c (init_optimization_passes): Replace pass_profiling combo
8984 by branch_prob pass.
8985 * profile.c (compute_value_histograms): Update for simplified value
8987 (rtl_register_profile_hooks): Kill.
8988 (pass_profiling): Kill.
8989 (rest_of_handle_branch_prob): Do not profile.
8990 * toplev.c (process_options): Remove speculative prefetching.
8991 * toplev.h (flag_tree_based_profiling): Kill.
8992 * tree-profile.c (prepare_instrumented_value,
8993 tree_gen_interval_profiler, tree_gen_pow2_profiler,
8994 tree_gen_one_value_profiler, do_tree_profiling): Update for
8995 simplified datastructures.
8996 * value-prof.c: Add comment that speculative prefetching was dropped;
8997 update rest of file for simplified datastructures.
8998 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8999 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9000 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9001 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9002 rtl_mod_subtract, gen_speculative_prefetch,
9003 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9004 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9005 (gate_handle_value_profile_transformations,
9006 rest_of_handle_value_profile_transformations,
9007 pass_value_profile_transformations): Kill.
9008 * value-prof.h (histogram_value_t): Remove IL based unions.
9009 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9010 rtl_profile_hooks): Remove hooks.
9012 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9014 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9015 (cgraph_clone_node): Likewise.
9016 * cgraph.h (cgraph_clone_edge): Update prototype.
9017 (cgraph_clone_node): Likewise.
9018 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9020 (lookup_recursive_calls): Consider profile.
9021 (cgraph_decide_recursive_inlining): Fix updating; use new
9022 probability argument; use profile.
9023 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9024 * tree-inline.c (copy_bb): Update clal of clone_edge.
9025 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9027 * invoke.texi (min-inline-recursive-probability): Document.
9029 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9031 * doc/install.texi (Configuration): Update Valgrind homepage.
9033 2005-07-28 Richard Henderson <rth@redhat.com>
9036 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9037 labels we want to delete.
9038 (cfg_layout_merge_blocks): Likewise.
9040 2005-07-28 Richard Henderson <rth@redhat.com>
9043 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9044 when expanding to nothing.
9046 2005-07-28 Josh Conner <jconner@apple.com>
9048 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9049 (cgraph_decide_inlining_of_small_functions): Likewise.
9051 2005-07-28 Josh Conner <jconner@apple.com>
9053 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9054 direction of badness if negative.
9055 (cgraph_default_inline_p): Add reason to parameters, and assign it
9057 (cgraph_decide_inlining_of_small_functions): New parameter in call
9058 to cgraph_default_inline_p.
9059 (cgraph_decide_inlining_incrementally): Likewise.
9060 * cgraphunit.c (decide_is_function_needed): Likewise.
9061 * cgraph.h (cgraph_default_inline_p): Likewise.
9063 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9065 * builtins.c: Fix comment typo(s).
9066 * genautomata.c: Likewise.
9067 * gimplify.c: Likewise.
9068 * tree-dfa.c: Likewise.
9069 * tree-flow-inline.h: Likewise.
9070 * tree-into-ssa.c: Likewise.
9071 * tree-ssa-alias.c: Likewise.
9072 * tree-ssa-ccp.c: Likewise.
9073 * tree-ssa-copy.c: Likewise.
9074 * tree-ssa-dce.c: Likewise.
9075 * tree-ssa-dom.c: Likewise.
9076 * tree-ssa-operands.c: Likewise.
9077 * tree-tailcall.c: Likewise.
9078 * tree-vectorizer.c: Likewise.
9079 * tree-vrp.c: Likewise.
9082 2005-07-28 Jeff Law <law@redhat.com>
9084 * tree-vrp.c (test_for_singularity): Extracted from ...
9085 (simplify_cond_using_ranges): Attempt to simplify a relational
9086 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9088 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9090 PR tree-optimization/22506
9091 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9092 phis whose argument is constant.
9094 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9096 PR rtl-optimization/18992
9097 Back out this patch:
9098 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9099 PR optimization/12142
9100 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9101 uses of the register in the SET_SRC. Remove unnecessary argument.
9103 Replace it with this:
9104 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9105 if flag_non_call_exceptions is set and the insn may trap, pass
9106 pc_rtx as dest for recursion.
9107 In SET_SRC part of SET case, if dest is already set, pass it down
9110 2005-07-28 Jan Hubicka <jh@suse.cz>
9112 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9113 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9114 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9116 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9117 profile when available.
9119 2005-07-28 Jan Beulich <jbeulich@novell.com>
9121 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9122 (ia64_print_operand): Describe and handle 'X'.
9123 (ia64_register_move_cost): Also handle FP_REGS.
9124 (ia64_preferred_reload_class): Likewise.
9125 (ia64_secondary_reload_class): Likewise.
9126 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9127 it. Also check for ITANIUM_CLASS_FLDP.
9128 * config/ia64/ia64.h (FP_REGNO_P): New.
9129 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9130 (reg_class): Add FP_REGS.
9131 (REG_CLASS_NAMES): Adjust for it.
9132 (REG_CLASS_CONTENTS): Likewise.
9133 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9134 (REG_CLASS_FROM_LETTER): Handle 'x'.
9135 (CLASS_MAX_NREGS): Handle FP_REGS.
9136 (MEMORY_MOVE_COST): Likewise.
9137 * config/ia64/ia64.md (itanium_class): Add fldp.
9138 (type): Handle fldp.
9139 (movti_internal): More allowable operand combinations. Use ldfp8 when
9140 splitting unnecessary. Remove predicable attribute. Adjust
9141 itanium_class attribute.
9142 (smuldi3_highpart): Remove outdated comment.
9143 (mulditi3, umulditi3, rotlti3): New expanders.
9144 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9145 (absti2): Disabled new insn for future reference.
9146 Respective new splitters.
9147 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9148 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9149 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9151 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9153 PR rtl-optimization/23047
9154 * simplify-rtx.c (simplify_const_relational_operation): Respect
9155 flag_wrapv for comparisons with ABS.
9157 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9159 PR tree-optimization/22493
9160 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9161 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9163 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9165 * config/frv/frv.opt (moptimize-membar): New.
9167 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9169 * config/frv/frv.h: Remove machine_function definition.
9171 * config/frv/frv.c (struct frv_io): New.
9172 (struct machine_function): Moved from frv.h. Add has_membar_p.
9173 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9174 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9175 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9176 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9177 (frv_reorg): Call frv_optimize_membar when appropriate.
9178 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9179 (frv_expand_builtin): Adjust calls accordingly.
9180 (frv_io_address_cookie): New function.
9181 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9182 load or store rather than a special insn. Add ccnstant address and
9183 io-type operands to the membar.
9184 (frv_ifcvt_modify_tests): Unsign regno.
9185 (frv_ifcvt_modify_tests): Same.
9187 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9188 UNSPEC_OPTIONAL_MEMBAR constant.
9189 (builtin_read_<mode>): Delete.
9190 (builtin_write_<mode>): Delete.
9191 ("optional_membar_<mode>"): Add operand.
9193 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9194 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9195 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9196 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9197 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9198 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9199 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9200 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9201 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9203 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9205 * df.c (df_uses_record): Handle SCRATCH.
9207 2005-07-28 Steven Bosscher <stevenb@suse.de>
9210 * passes.c (rest_of_decl_compilation): If decl is a type and
9211 we have encountered errors, don't emit debug information.
9213 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9215 * params.def: Fixed comment.
9217 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9220 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9221 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9222 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9224 2005-07-27 Steven Bosscher <stevenb@suse.de>
9227 * varasm.c (assemble_start_function): Don't do anything that may
9228 require a CFG if the current function is a thunk.
9230 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9232 * doc/install.texi (Prerequisites): Mention that perl is needed
9233 to do export control in libstdc++ targetting Darwin.
9235 2005-07-27 Steven Bosscher <stevenb@suse.de>
9237 PR rtl-optimization/17808
9238 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9239 (sched_insns_conditions_mutex_p): Split out from...
9240 (add_dependence): ...here. But don't call it from here.
9241 (add_dependence_list): Check sched_insns_conditions_mutex_p
9242 before calling add_dependence.
9243 (add_dependence_list_and_free): Likewise.
9244 (fixup_sched_groups): Likewise.
9245 (sched_analyze_1): Likewise.
9246 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9247 (sched_analyze): Likewise.
9248 (sched_analyze_insn): Likewise.
9249 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9250 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9251 dependencies on all COND_EXEC insns to jumps ending basic blocks
9252 when doing intrablock scheduling.
9253 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9255 2005-07-27 Jeff Law <law@redhat.com>
9257 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9258 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9259 equivalency sets, correctly handle the case were vr0 has an
9260 equivalency set, but vr1 does not.
9262 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9264 PR tree-optimization/23073
9265 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9266 vect_print_dump_info before fprintf.
9268 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9270 PR tree-optimize/22348
9271 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9272 Fold the partial computation.
9274 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9276 PR tree-optimization/22325
9277 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9279 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9281 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9282 (force_var_cost): ... this function.
9283 (compute_phi_arg_on_exit): Export.
9285 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9287 PR tree-optimization/20773
9288 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9291 2005-07-27 Richard Guenther <rguenther@suse.de>
9293 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9294 Avoid pushing again if current struct contains only
9295 fields we decomposed.
9297 2005-07-27 Jan Hubicka <jh@suse.cz>
9299 PR tree-optimization/22574
9300 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9303 * tree-tailcall.c (decrease_profile): New function.
9304 (eliminate_tail_call): Use it.
9306 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9307 visibility flags correctly in whole program mode.
9309 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9311 PR rtl-optimization/22472
9312 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9314 2005-07-26 Steven Bosscher <stevenb@suse.de>
9316 PR tree-optimization/22504
9317 * tree-complex.c (expand_complex_addition): Use 'code' instead
9318 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9320 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9322 * config.gcc (cpu_type): Add frv case.
9323 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9324 (supported_defaults): Add fr550 case.
9326 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9329 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9330 whether a pointer of type T * may point to objects of type T *.
9332 2005-07-26 DJ Delorie <dj@redhat.com>
9334 * configure: Regenerate.
9336 2005-07-26 Dale Johannesen <dalej@apple.com>
9338 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9340 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9342 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9343 Clarify use of "build" in name.
9345 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9347 * doc/extend.texi (Raw read/write Functions): New section.
9348 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9349 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9350 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9351 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9352 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9353 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9354 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9355 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9356 * config/frv/frv.c: Add bdesc_loads global.
9357 Add bdesc_stores global.
9358 (frv_init_builtins): Add support for __builtin_{read/write}*.
9359 (frv_volatile_memref): New.
9360 (frv_expand_load_builtin): New.
9361 (frv_expand_store_builtin): New.
9362 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9363 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9364 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9365 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9366 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9367 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9368 (builtin_read_<mode>): New.
9369 (builtin_write_<mode>): New.
9370 (builtin_write64): New.
9371 (optional_membar_<mode>): New.
9373 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9375 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9376 (rather than units) against HOST_BITS_PER_WIDE_INT.
9378 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9380 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9381 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9382 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9383 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9386 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9387 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9388 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9390 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9392 2005-07-26 Richard Guenther <rguenther@suse.de>
9394 PR tree-optimization/22486
9395 * fold-const.c (fold_unary): Fold away useless component
9396 references of the form (T *)&T.x, if the address
9399 2005-07-25 James E Wilson <wilson@specifixinc.com>
9401 * dwarf2out.c (add_call_src_coords_attributes): New.
9402 (gen_inlined_subroutine_die): Call it.
9403 (maybe_emit_file, init_file_table): Add comments.
9404 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9406 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9407 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9408 * tree.h (BLOCK_SOURCE_LOCATION): New.
9409 (struct tree_block): New field locus.
9411 2005-07-26 Andreas Schwab <schwab@suse.de>
9413 PR rtl-optimization/23043
9414 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9415 when allocating a struct unoccr.
9417 2005-07-25 Richard Henderson <rth@redhat.com>
9420 * tree-complex.c (gate_no_optimization): True if errors.
9421 * Makefile.in (tree-complex.o): Update dependencies.
9423 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
9425 * config/frv/predicates.md (integer_register_operand): Use
9428 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9431 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9433 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9435 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9437 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9438 types when flag_unsafe_math_optimizations is true.
9440 2005-07-25 Mark Mitchell <mark@codesourcery.com>
9442 * gcc.c (option_map): Add --sysroot.
9443 (process_command): Handle --sysroot.
9444 (display_help): Document it.
9445 * doc/cppopts.tex (-isysroot): Document.
9446 * doc/invoke.texi (--sysroot): Document.
9447 * doc/install.texi (--with-build-sysroot): Document.
9449 * Makefile.in (inhibit_libc): New variable.
9450 (INHIBIT_LIBC_CFLAGS): Likewise.
9451 (LIBGCC2_CFLAGS): Include
9452 $(INHIBIT_LIBC_CFLAGS).
9453 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9454 ($(T)crtbegin.o): Do not use @inhibit_libc@.
9455 ($(T)crtend.o): Likewise.
9456 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9457 ($(T)crtendS.o): Likewise.
9458 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9459 ($(T)crtendT.o): Likewise.
9460 (stmp-fixinc): Do not complain about missing headers if
9462 * configure.ac (inhibit_libc): Set it to true/false.
9463 (--with-build-sysroot): New option. Use it to set
9465 * configure: Regenerated.
9467 2005-07-25 Manfred Hollstein <mh@suse.com>
9469 * calls.c (store_one_arg): Fix unsigned comparison warning.
9471 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
9474 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9475 (ggc_print_statistics): Initialize variable before use.
9477 2005-07-25 Richard Guenther <rguenther@suse.de>
9479 * tree-dfa.c (mark_new_vars_to_rename): Protect against
9480 calling with a PHI_NODE argument.
9482 * tree-flow-inline.h (overlap_subvar): Protect against
9485 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
9487 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9488 * configure: Regenerate.
9490 2005-07-25 Ira Rosen <irar@il.ibm.com>
9492 * expr.c (highest_pow2_factor): Make extern.
9493 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9494 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9495 record_array_differ_p, array_ptr_differ_p): Likewise.
9496 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9497 additional cases. Call the above functions.
9498 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9499 base_object_differ_p when there are two base objects. Otherwise, compare
9500 base address and offset. Call may_alias_p.
9501 (dump_data_reference): Use a correct field name.
9502 (analyze_array): Make static. Initialize new data-ref fields.
9503 (analyze_indirect_ref): New function.
9504 (init_data_ref): Initialize new data-ref fields.
9505 (strip_conversion): Moved from tree-vect-analyze.c.
9506 (analyze_offset_expr, get_ptr_offset, address_analysis,
9507 object_analysis): Likewise.
9508 (analyze_offset): New function.
9509 (create_data_ref): Likewise.
9510 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9511 dimensions for ARRAY_REFs only.
9512 (build_classic_dist_vector): Make static.
9513 (access_functions_are_affine_or_constant_p): Call macro to get the
9514 address of access functions.
9515 (compute_all_dependences): Add new parameter
9516 compute_self_and_read_read_dependences. Compute self and read-read
9517 dependences if it is true.
9518 (find_data_references_in_loop): Call create_data_ref. Initialize new
9520 (compute_data_dependences_for_loop): Add new parameter
9521 compute_self_and_read_read_dependences. Remove parameter nb_loops,
9522 compute nb_loops. Call compute_all_dependences,
9523 build_classic_dist_vector and build_classic_dir_vector with correct
9525 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9526 with correct parameters. Compare dimensions for ARRAY_REFs only.
9527 (free_data_refs): Call macro to free access functions.
9528 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9529 fields from stmt_vinfo.
9530 (struct base_object_info): New structure.
9531 (struct data_reference): Move fields to base_object_info. Add fields
9532 first_location and object_info for above structures. Move fields from
9533 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9534 aligned_to. Add macros to access the new fields.
9535 Update functions declarations.
9536 * tree-flow.h (is_aliased_with): Declare.
9537 * tree-loop-linear.c (linear_transform_loops): Call
9538 compute_data_dependences_for_loop with correct parameters.
9539 * tree-ssa-alias.c (is_aliased_with): New function.
9540 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9541 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9542 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9543 vect_base_addr_differ_p, compute_subscript_distance and
9544 build_classic_dist_vector. Add printings. Check absolute value of
9546 (vect_analyze_data_ref_dependences): Go through ddrs instead of
9548 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9549 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9550 to bytes. Add printing.
9551 (vect_compute_data_refs_alignment): Go through loads and stores in one
9553 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9554 vect_analyze_data_ref_access): Likewise.
9555 (vect_analyze_pointer_ref_access): Remove.
9556 (vect_address_analysis, vect_object_analysis): Likewise.
9557 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9558 and analyze data-refs in the loop.
9559 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9560 fields of data-ref instead of stmt. Add init to the offset from the
9562 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9563 (vect_update_init_of_dr): Likewise.
9564 (vect_update_inits_of_drs): Go through loads and stores in one loop.
9565 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9567 (new_loop_vec_info): Initialize new fields.
9568 (destroy_loop_vec_info): Free new fields.
9569 (vect_strip_conversion): Remove.
9570 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9571 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9572 datarefs. Add new field ddrs.
9573 Add macros for the new fields access.
9574 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9575 base_aligned_p, misalignment, memtag, ptr_info and subvars.
9576 Remove their macros.
9577 * tree.h (highest_pow2_factor): Declare.
9579 2005-07-25 Jakub Jelinek <jakub@redhat.com>
9581 * calls.c (store_one_arg): Check for sibling call MEM arguments
9582 from already clobbered incoming argument area.
9584 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9586 * c-common.c (check_missing_format_attribute): New.
9587 * c-common.h (check_missing_format_attribute): Likewise.
9588 * c-typeck.c (convert_for_assignment): Use it.
9590 2005-07-24 Andreas Schwab <schwab@suse.de>
9592 * config/m68k/m68k.md ("extendqidi2"): When source is an address
9593 register use a word move. Correct operand of ext.w in 68000 code.
9595 2005-07-23 Mark Mitchell <mark@codesourcery.com>
9597 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9598 variables as declarations, rather than definitions.
9600 2005-07-24 Ira Rosen <irar@il.ibm.com>
9602 PR tree-optimization/22526
9603 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9606 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9608 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9609 that C99 reserve for future use. Use it to define clog10,
9610 clog10f and clog10l.
9612 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9614 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9615 * configure.ac: Check for -Wmissing-format-attribute.
9617 * configure: Regenerate.
9619 2005-07-23 Richard Henderson <rth@redhat.com>
9621 PR tree-optimization/22623
9622 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9624 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
9627 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9629 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9631 * Makefile.in (C_TREE_H): Update dependencies.
9632 * c-tree.h: Include toplev.h.
9633 * diagnostic.h (diagnostic_set_info): Add format attribute.
9634 * rtl-error.c (diagnostic_for_asm): Likewise.
9636 2005-07-23 Chao-ying Fu <fu@mips.com>
9638 * config/mips/mips-dsp.md: New file.
9639 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9640 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9642 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9643 MIPS_BUILTIN_BPOSGE32.
9644 (mips_expand_builtin_direct): Add one parameter to indicate that
9645 builtin functions need to return a value.
9646 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9648 (mips_regno_to_class): Add classes for 12 new DSP registers.
9649 (mips_subword): Change to check four HI registers.
9650 (mips_output_move): Output move to and from 6 new DSP accumulators.
9651 (override_options): Make sure -mdsp and -mips16 are not used together.
9652 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
9654 (mips_conditional_register_usage): Disable 6 new DSP accumulators
9656 (print_operand): Add 'q' for printing DSP accumulators.
9657 (mips_cannot_change_mode_class): Check ACC_REGS.
9658 (mips_secondary_reload_class): Check ACC_REGS.
9659 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9660 (mips_register_move_cost): Check ACC_REGS.
9661 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9662 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9663 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9664 (dsp_bdesc): New array.
9665 (bdesc_arrays): Add DSP builtin function table.
9666 (mips_prepare_builtin_arg): Check predicate again after
9668 (mips_expand_builtin): Add one more parameter to
9669 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9670 MIPS_BUILTIN_BPOSGE32.
9671 (mips_init_builtins): Initialize new function types.
9672 (mips_expand_builtin_direct): Check if builtin functions need to
9673 return a value and pass operands properly.
9674 (mips_expand_builtin_bposge): New function.
9675 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9676 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9677 (FIRST_PSEUDO_REGISTER): Increase to 188.
9678 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9679 Update for 12 new DSP registers.
9680 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9681 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9682 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9683 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9684 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9685 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9686 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9687 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9688 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9689 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9690 (REGISTER_NAMES): Add names for 12 new DSP registers.
9691 * config/mips/mips.md: Include mips-dsp.md.
9692 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9693 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9694 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9695 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9696 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9697 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9698 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9699 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9700 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9701 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9702 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9703 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9704 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9705 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9706 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9707 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9708 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9709 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9710 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9711 (UNSPEC_RDDSP): New constants.
9712 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9713 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
9715 * config/mips/mips.opt (-mdsp): New option.
9716 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9717 (reg_imm10_operand): New predicates.
9718 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9719 * doc/invoke.texi (-mdsp): Document new option.
9721 2005-07-22 DJ Delorie <dj@redhat.com>
9723 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9725 * tree-inline.c (inlinable_function_p): Likewise.
9727 2005-07-22 Mark Mitchell <mark@codesourcery.com>
9730 * toplev.c (check_global_declarations): Do not mark undefined
9731 variables as DECL_IGNORED_P.
9732 * varasm.c (first_global_object_name): GTY it.
9733 (weak_global_object_name): Likewise.
9734 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9735 a string to go into {weak,first}_global_object_name.
9737 2005-07-22 DJ Delorie <dj@redhat.com>
9739 * c-format.c (check_function_format): Change warning control
9740 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9742 2005-07-22 Diego Novillo <dnovillo@redhat.com>
9744 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9745 &PTR->FLD a dereference of PTR.
9746 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9747 a potential dereference of PTR.
9749 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
9751 PR rtl-optimization/20370
9752 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9753 call allocate_reg_info if necessary.
9755 PR rtl-optimization/21848
9756 * calls.c (emit_library_call_value_1): For const functions, add
9757 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9759 PR rtl-optimization/22445
9760 * cselib.c (target.h): Include.
9761 (rtx_equal_for_cselib_p): Allow commutative matches.
9762 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9763 Remove MODE parameter. Changed all callers.
9765 PR rtl-optimization/22258
9766 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9768 (try_combine): Use likely_spilled_retval_p.
9770 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
9772 * config.gcc: Add crx-elf support.
9774 * doc/contrib.texi: Mention crx.
9775 * doc/extend.texi: Document crx extensions.
9776 * doc/install.texi: Document crx install.
9777 * doc/invoke.texi: Document crx options.
9778 * doc/md.texi: Document crx constraints.
9780 * config/crx/crx-protos.h: New file.
9781 * config/crx/crx.c: New file.
9782 * config/crx/crx.h: New file.
9783 * config/crx/crx.md: New file.
9784 * config/crx/crx.opt: New file.
9785 * config/crx/t-crx: New file.
9787 2005-07-22 Manfred Hollstein <mh@suse.com>
9789 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9791 (int_add_graph_edge): Likewise.
9792 (collapse_nodes): Likewise.
9793 (process_unification_queue): Likewise.
9795 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9796 Laurent GUERBY <laurent@guerby.net>
9798 PR tree-optimization/22336
9799 * function.c (record_block_change): Check for
9800 cfun->ib_boundaries_block.
9802 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
9804 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9805 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9807 2005-07-21 DJ Delorie <dj@redhat.com>
9809 * toplev.c (warn_deprecated_use): Add warning control to warning
9811 * c-typeck.c (parser_build_binary_op): Likewise.
9812 (c_finish_if_stmt): Likewise.
9813 * c-common.c (check_function_sentinel): Likewise.
9814 (check_nonnull_arg): Likewise.
9816 2005-07-21 Richard Henderson <rth@redhat.com>
9819 * tree-complex.c (complex_ssa_name_components): New.
9820 (cvc_lookup): Allow entry not found.
9821 (create_components): Remove.
9822 (create_one_component_var, get_component_var): New.
9823 (get_component_ssa_name, set_component_ssa_name): New.
9824 (extract_component): Use get_component_ssa_name.
9825 (update_complex_components): Use set_component_ssa_name.
9826 (update_complex_components_on_edge): Likewise.
9827 (update_phi_components): Create new PHI nodes directly, instead
9828 of adding insns to edges.
9829 (tree_lower_complex): Allocate and free complex_variable_components
9830 and complex_ssa_name_components here.
9832 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
9834 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9835 revert to returning false.
9837 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9840 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9842 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9845 * config/i386/i386.md (cmpxf): Change operand constraints
9846 to "nonmemory_operand".
9848 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9850 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9852 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9855 * fold-const.c (fold_build1): Add checksum for the operands.
9856 (fold_build2): Likewise.
9857 (fold_build3): Likewise.
9859 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9862 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9864 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9866 * common.opt (-fforward-propagate): Committed by mistake,
9869 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9871 * reg-stack.c: Fix comment typo(s).
9872 * tree-ssa-operands.c: Likewise.
9873 * tree-vectorizer: Likewise.
9875 2005-07-21 Nick Clifton <nickc@redhat.com>
9877 * config/sh/symbian.c: Replace C++ style line comments with C
9878 style line comments.
9879 (symbian_add_attribute): Do not use a ? operator on the LHS of
9881 (sh_symbian_handle_dll_attribute): Change the type of the
9882 method vector to "VEC(tree,gc)*" and use vector accessor
9883 macros to walk over the elements.
9884 (symbian_export_vtable_and_rtti_p): Likewise.
9885 (symbian_class_needs_attribute_p): Likewise.
9887 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9890 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9891 initialize targetm.resolve_overloaded_builtin here.
9892 (altivec_expand_overloaded_builtin): Make it non-static.
9893 * config/rs6000/rs6000-protos.h
9894 (altivec_expand_overloaded_builtin): New prototype.
9895 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9896 targetm.resolve_overloaded_builtin here.
9897 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9899 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9900 Zdenek Dvorak <dvorakz@suse.cz>
9902 PR tree-optimization/19210
9903 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9905 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9906 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9907 rely on unproven assumptions.
9908 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9909 * tree-flow.h (number_of_iterations_exit): Add final parameter.
9910 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9911 to number_of_iterations_exit.
9912 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9913 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9914 * tree-ssa-loop-niter.c (find_loop_niter,
9915 estimate_numbers_of_iterations_loop): Likewise.
9916 (number_of_iterations_exit): Honor the new options.
9917 * doc/invoke.texi (Wunsafe-loop-optimizations,
9918 funsafe-loop-optimizations): Document them.
9920 2005-07-21 Richard Sandiford <richard@codesourcery.com>
9922 PR rtl-optimization/22167
9923 * gcse.c (hoist_code): Fix hoist_exprs[] check.
9925 2005-07-20 Adam Nemet <anemet@lnxw.com>
9927 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9928 __do_global_dtors_aux longcall.
9930 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
9932 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9933 (old_special_pred_table): Don't reference
9934 SPECIAL_MODE_PREDICATES.
9935 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9936 * config/arc/arc.h: Don't mention PREDICATE_CODES.
9937 * config/sh/predicates.h: Don't mention
9938 SPECIAL_MODE_PREDICATES.
9939 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9942 2005-07-20 DJ Delorie <dj@redhat.com>
9944 * config.gcc: Add m32c-elf support.
9946 * doc/contrib.texi: Mention m32c.
9947 * doc/extend.texi: Document m32c extensions.
9948 * doc/install.texi: Mention m32c.
9949 * doc/invoke.texi: Document m32c options.
9950 * doc/md.texi: Document m32c constraints.
9952 * config/m32c/addsub.md: New file.
9953 * config/m32c/bitops.md: New file.
9954 * config/m32c/cond.md: New file.
9955 * config/m32c/jump.md: New file.
9956 * config/m32c/m32c-lib1.S: New file.
9957 * config/m32c/m32c-lib2.c: New file.
9958 * config/m32c/m32c-modes.def: New file.
9959 * config/m32c/m32c-pragma.c: New file.
9960 * config/m32c/m32c-protos.h: New file.
9961 * config/m32c/m32c.abi: New file.
9962 * config/m32c/m32c.c: New file.
9963 * config/m32c/m32c.h: New file.
9964 * config/m32c/m32c.md: New file.
9965 * config/m32c/m32c.opt: New file.
9966 * config/m32c/minmax.md: New file.
9967 * config/m32c/mov.md: New file.
9968 * config/m32c/muldiv.md: New file.
9969 * config/m32c/predicates.md: New file.
9970 * config/m32c/prologue.md: New file.
9971 * config/m32c/shift.md: New file.
9972 * config/m32c/t-m32c: New file.
9974 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9976 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9977 (stack_protect_set, stack_protect_test): New expanders.
9978 (stack_protect_set_si, stack_protect_set_si_media,
9979 stack_protect_set_di_media, stack_protect_test_si,
9980 stack_protect_test_si_media, stack_protect_test_di_media):
9983 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
9985 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9987 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
9989 * tree.h (tree_expr_nonzero_p): Export.
9990 * fold-const.c (tree_expr_nonzero_p): Likewise.
9991 Return true for CALL_EXPRs that are alloca calls.
9992 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9994 * tree-flow.h (expr_computes_nonzero): Remove.
9995 * tree-vrp.c (expr_computes_nonzero): Remove.
9996 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9997 (extract_range_from_unary_expr): Likewise.
9998 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9999 tree_expr_nonzero_p.
10001 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
10003 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10004 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
10005 extra arg "picreg" and use it instead of pic_offset_table_rtx.
10006 All callers changed.
10007 (frame_related_constant_load): New arg "related" which controls
10008 setting of RTX_FRAME_RELATED_P. All callers changed.
10009 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10010 (bfin_expand_prologue): Add stack limit checking.
10011 * config/bfin/bfin.md (trapifcc): New pattern.
10013 * config/bfin/bfin.c: Include "langhooks.h".
10014 (def_builtin): Go through lang_hooks to call builtin_function.
10016 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10017 * config/bfin/predicates.md (symbol_ref_operand): New.
10018 (call_insn_operand): Delete. All callers changed to use
10019 register_no_elim_operand.
10020 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10022 (function_arg): Use it to generate the call's operand 2.
10023 (bfin_longcall_p): New function.
10024 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10025 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10026 determine if the address needs to be in a REG.
10027 (bfin_handle_longcall_attribute): New function.
10028 (bfin_attribute_table): Add "longcall" and "shortcall".
10029 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10030 (CUMULATIVE_ARGS): New member call_cookie.
10031 (PREDICATE_CODES): Add symbol_ref_operand.
10032 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10033 extra USE to the pattern.
10034 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10035 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10036 sibcall_value_insn; now the new patterns handle direct calls and the
10037 old ones indirect calls.
10038 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10040 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10042 * doc/trouble.texi: Update section on handling of empty loops.
10044 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10046 * config.gcc: Remove support for sparc-*-openbsd*,
10047 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10049 * config.host: Remove support for i860-*-sysv4* as a host.
10050 * config/i860/*, config/ip2k/*, config/ns32k/*,
10051 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10052 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10053 mention obsolete ports.
10055 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10057 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10058 soft frame pointer.
10059 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10060 of frame_pointer_rtx.
10061 (sh_expand_epilogue): Likewise.
10062 (sh_set_return_address): Likewise.
10063 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10064 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10065 offsets from FRAME_POINTER_REGNUM.
10066 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10067 (sh_register_names): Add initializer for sfp.
10068 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10069 (VALID_REGISTER_P): Likewise.
10070 (FIRST_PSEUDO_REGISTER): Update.
10071 (DWARF_FRAME_REGISTERS): Define.
10072 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10073 (HARD_FRAME_POINTER_REGNUM): Define.
10074 (FRAME_POINTER_REGNUM): Redefine.
10075 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10076 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10077 from FRAME_POINTER_REGNUM.
10078 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10079 FRAME_POINTER_REGNUM.
10080 (REG_CLASS_CONTENTS): Add sfp.
10081 (REG_ALLOC_ORDER): Likewise.
10082 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10083 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10084 of frame_pointer_rtx.
10085 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10087 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10089 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10090 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10091 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10093 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10096 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10098 Make CONSTRUCTOR use VEC to store initializers.
10099 * c-common.c (complete_array_type): Update to cope with VEC in
10101 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10102 (pp_c_constructor_elts): New function.
10103 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10104 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10105 struct constructor_stack, struct initializer_stack,
10106 constructor_elements, push_init_level, pop_init_level,
10107 add_pending_init, find_init_member, output_init_element): Update to
10108 cope with VEC in CONSTRUCTOR_ELTS.
10109 * coverage.c (build_fn_info_value, build_ctr_info_value,
10110 build_gcov_info): Likewise.
10111 * expr.c (categorize_ctor_elements_1, store_constructor,
10112 expand_expr_real_1): Likewise.
10113 * fold-const.c (fold_ternary): Likewise.
10114 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10115 gimplify_init_constructor, gimplify_expr): Likewise.
10116 * tree-dump.c (dequeue_and_dump): Likewise.
10117 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10119 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10121 * tree-sra.c (generate_element_init_1): Likewise.
10122 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10123 * tree-ssa-operands.c (get_expr_operands): Likewise.
10124 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10125 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10126 (get_initial_def_for_reduction): Likewise.
10127 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10128 value handle in annotations.
10129 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10130 tree_node_structure): Add support for constr_kind.
10131 (build_vector_from_ctor, build_constructor_single,
10132 build_constructor_from_list): New functions.
10133 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10134 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10135 Update to cope with VEC in CONSTRUCTOR_ELTS.
10136 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10137 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10138 CONSTRUCTOR_APPEND_ELT): New macros.
10139 (struct constructor_elt, struct tree_constructor): New data types.
10140 (union tree_node): Add tree_constructor field.
10141 * treestruct.def: Define TS_CONSTRUCTOR.
10142 * varasm.c (const_hash_1, compare_constant, copy_constant,
10143 compute_reloc_for_constant, output_addressed_constants,
10144 initializer_constant_valid_p, output_constant,
10145 array_size_for_constructor, output_constructor): Update to cope with
10146 VEC in CONSTRUCTOR_ELTS.
10147 * vec.h (VEC_empty, VEC_copy): New macros.
10149 2005-07-19 Devang Patel <dpatel@apple.com>
10151 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10153 2005-07-19 Richard Henderson <rth@redhat.com>
10156 * gimplify.c (gimplify_expr): Use main variant type for the temp
10157 destination for a discarded volatile read.
10158 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10159 casts between non-void types that change volatility.
10161 2005-07-15 DJ Delorie <dj@redhat.com>
10163 * toplev.h: Add comment about the first parameter for warning().
10164 * errors.h: Likewise.
10166 * c.opt (Wpragmas): New.
10167 * doc/invoke.texi: Document it.
10169 * function.c (do_warn_unused_parameter): Add warning control to
10171 * c-decl.c (warn_if_shadowing): Likewise.
10172 * c-lex.c (cb_def_pragma): Likewise.
10173 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10174 (pop_alignment): Likewise.
10175 (handle_pragma_pack): Likewise.
10176 (apply_pragma_weak): Likewise.
10177 (handle_pragma_weak): Likewise.
10178 (handle_pragma_redefine_extname): Likewise.
10179 (add_to_renaming_pragma_list): Likewise.
10180 (handle_pragma_extern_prefix): Likewise.
10181 (maybe_apply_renaming_pragma): Likewise.
10182 (handle_pragma_visibility): Likewise.
10184 * config/c4x/c4x-c.c (BAD): Likewise.
10185 (c4x_parse_pragma): Likewise.
10186 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10187 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10188 (rs6000_pragma_longcall): Likewise.
10189 * config/v850/v850-c.c (pop_data_area): Likewise.
10190 (ghs_pragma_section): Likewise.
10191 (ghs_pragma_section): Likewise.
10192 (ghs_pragma_interrupt): Likewise.
10193 (ghs_pragma_starttda): Likewise.
10194 (ghs_pragma_startsda): Likewise.
10195 (ghs_pragma_startzda): Likewise.
10196 (ghs_pragma_endtda): Likewise.
10197 (ghs_pragma_endsda): Likewise.
10198 (ghs_pragma_endzda): Likewise.
10200 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10201 Kenneth Zadeck <zadeck@naturalbridge.com>
10203 * Makefile.in: Removed tree-promote-statics.c
10204 * tree-promote-statics.c: Removed.
10205 * common.opt: Removed flag-promote-statics.
10207 * passes.c: Removed tree-promote-statics pass.
10208 * tree-pass.h: Ditto.
10209 * timevar.def: Removed TV_PROMOTE_STATICS.
10212 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10214 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10216 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10218 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10221 * c-common.c (check_function_arguments): Call
10222 'check_function_format' if either -Wformat or
10223 -Wmissing-format-attribute are specified.
10224 * c-format.c (check_function_format): Check -Wformat before
10225 calling 'check_format_info'.
10226 * c-opts.c (c_common_post_options): Don't warn for
10227 -Wmissing-format-attribute without -Wformat.
10228 * c-typeck.c (convert_for_assignment): Detect additional cases for
10229 -Wmissing-format-attribute.
10230 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10233 2005-07-19 Richard Guenther <rguenther@suse.de>
10235 * config/i386/i386.md (lrint<mode>2): Use temporary
10236 instead of clobbering non-existent memory.
10238 2005-07-19 Nick Clifton <nickc@redhat.com>
10240 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10241 statement to avoid displaying ASCII control characters.
10243 2005-07-19 Ben Elliston <bje@au.ibm.com>
10245 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10246 * cfganal.c (find_edge_index): Ditto.
10247 * combine.c (combine_instructions): Ditto.
10248 * ddg.c (create_scc): Ditto.
10249 (find_successors): Ditto.
10250 (find_predecessors): Ditto.
10251 (find_nodes_on_paths): Ditto.
10252 (longest_simple_path): Ditto.
10253 * flow.c (update_life_info): Ditto.
10254 (count_or_remove_death_notes): Ditto.
10255 (clear_log_links): Ditto.
10256 * modulo-sched.c (generate_reg_moves): Ditto.
10257 (find_max_asap): Ditto.
10258 (find_max_hv_min_mob): Ditto.
10259 (find_max_dv_min_mob): Ditto.
10260 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10261 * sched-rgn.c (extract_edgelst): Ditto.
10262 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10263 (dump_update_ssa): Ditto.
10264 (ssa_names_to_replace) Ditto.
10265 (switch_virtuals_to_full_rewrite): Ditto.
10266 (update_ssa): Ditto.
10267 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10269 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10271 Fix PR tree-optimization/22483
10273 * tree-complex.c (create_components): Use
10274 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10275 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10276 * tree-flow.h (safe_referenced_var_iterator): New structure.
10277 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10278 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10279 safe_referenced_var iterator.
10280 (add_type_alias): Ditto.
10282 2005-07-19 Steven Bosscher <stevenb@suse.de>
10284 * loop-init.c (rest_of_handle_loop2): Remove.
10285 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10286 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10287 (pass_rtl_loop_init, pass_rtl_loop_done,
10288 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10289 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10290 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10291 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10292 pass_tree_loop_done, and pass_tree_unswitch.
10293 (gate_loop): Rename to gate_tree_loop.
10294 * passes.c (init_optimization_passes): Update for renamed tree
10295 loop passes. Add the new loop2 passes as subpasses of loop2.
10296 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10297 Update for the renamed tree loop passes.
10299 2005-07-18 Ian Lance Taylor <ian@airs.com>
10301 PR middle-end/22057
10302 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10303 blocks when optimizing.
10305 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10307 * common.opt (frename-registers): Initialize to 2.
10309 (fgcse-after-reload): Ditto.
10310 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10311 (process_options): Only change flag_web, flag_rename_registers,
10312 and flag_rerun_cse_after_loop if not explicitly set by user.
10314 2005-07-18 Jan Beulich <jbeulich@novell.com>
10316 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10317 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10318 in 64-bit mode the same as DImode in 32-bit mode.
10319 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10320 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10321 mode. Add new mode parameter.
10322 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10323 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10324 x86_64_shift_adj): New expanders.
10325 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10326 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10328 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10329 DImode shift splitters.
10330 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10331 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10334 2005-07-18 Jan Beulich <jbeulich@novell.com>
10336 * i386.md (movdi_extzv_1): New.
10337 (zero_extendhidi2): Combine alternatives and never force use of
10339 (zero_extendqidi2): Likewise. Don't restrict input selection.
10341 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10343 Fix PR tree-optimization/22531
10344 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10347 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10349 * tree-promote-statics.c (pass_promote_statics): Change dump file
10352 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10354 * tree-optimize.c (init_tree_optimization_passes): Add
10355 pass_eliminate_useless_stores pass.
10356 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10357 * tree-ssa-pre.c (is_copy_stmt): New function.
10358 (follow_copies_till_vuse): Ditto.
10359 (do_eustores): Ditto.
10360 (gate_eustores): Ditto.
10362 2005-07-16 Richard Henderson <rth@redhat.com>
10364 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10366 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10367 Kenneth Zadeck <zadeck@naturalbridge.com>
10369 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10370 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10371 ipa-type-escape.h, tree-promote-statics.c
10372 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10373 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10374 tree-promote-statics.c: new files.
10375 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10376 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10377 int nonlocal_set_p, mark_constant_function): Deleted.
10378 (rest_of_handle_cfg): Removed call to mark_constant_function.
10379 (nonoverlapping_component_refs_p): Added calls to support
10380 type based aliasing.
10381 * tree-ssa-alias.c (may_alias_p,
10382 compute_flow_insensitive_aliasing): Ditto.
10383 * calls.c (flags_from_decl_or_type): Removed reference to
10385 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10386 too many arguments. This is necessary for Spec 2000.
10387 * cgraph.h (const_function, pure_function): Removed.
10388 * common.opt: Added "fipa-pure-const", "fipa-reference",
10389 "fipa-type-escape", and "ftree-promote-static".
10391 * passes.c: Added ipa and tree-promote-statics passes.
10392 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10393 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10394 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10395 * tree-flow.h: Added exposed sra calls and addition of
10396 reference_vars_info field for FUNCTION_DECLS.
10397 * tree-pass.h: Added passes.
10398 * tree-sra.c: (sra_init_cache): New function.
10399 (sra_insert_before, sra_insert_after) Made public.
10400 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10402 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10403 aliasing. (may_alias_p): Added code to use type escape analysis to
10404 improve alias sets.
10405 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10406 code to prune clobbers of static variables based on information
10407 produced in ipa-reference pass. Changed call clobbering so that
10408 statics are not marked as clobbered if the call does not clobber
10411 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
10413 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10416 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10418 * doc/install.texi (*-*-solaris2*): Document recommended version
10419 of GNU binutils and mention GNU linker problem on Solaris 10.
10421 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
10424 * c-decl.c (c_build_bitfield_integer_type): New function.
10425 (finish_struct): Call it.
10426 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10428 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10430 * c-typeck.c (digest_init): Call 'convert_for_assignment'
10433 2005-07-16 Jan Hubicka <jh@suse.cz>
10435 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10436 (scale_bbs_frequencies_int): Watch roundoff errors.
10437 * predict.c (return_prediction): Initialize return_stmt.
10439 2005-07-16 Jan Hubicka <jh@suse.cz>
10441 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10442 after RTL profiling.
10444 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
10446 PR middle-end/22398
10447 * fold-const.c (build_range_check): Convert high/low to etype
10448 if we are only comparing against exp.
10450 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
10452 Fix PR tree-optimization/22376
10453 * tree-ssa-structalias.c (build_constraint_graph): We really meant
10455 (need_to_solve): New function.
10456 (compute_points_to_sets): Use it.
10458 2005-07-15 Jan Hubicka <jh@suse.cz>
10460 * cfg.c (update_bb_profile_for_threading): More diagnostic.
10461 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10463 2005-07-15 Richard Guenther <rguenther@suse.de>
10465 * c-common.c (handle_flatten_attribute): New function.
10466 Add flatten function attribute.
10467 * doc/extend.texi: Document flatten function attribute.
10468 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10469 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10471 (cgraph_decide_inlining): Handle functions with flatten
10474 2005-07-14 David Edelsohn <edelsohn@gnu.org>
10476 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10477 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10478 UNSPEC_XCHG, UNSPEC_AND): New.
10479 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10480 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10481 * config/rs6000/sync.md (FETCHOP): New code macro.
10482 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10484 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10485 (sync_compare_and_swap<mode>): Same.
10486 (sync_lock_test_and_set<mode>): Same.
10487 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10488 for QImode and HImode, and not PPC405.
10489 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10490 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10491 (sync_<fetchop>{si,di}_internal): New.
10492 (sync_nand{si,di}_internal): New.
10493 (sync_old_<fetchop>{si,di}_internal): New.
10494 (sync_old_nand{si,di}_internal): New
10495 (sync_new_<fetchop>{si,di}_internal): New.
10496 (sync_new_nand{si,di}_internal): New.
10497 (atomic_and{si,di}): New.
10498 (sync_new_nand{si,di}_internal): New.
10499 (atomic_and{si,di}): New.
10500 (sync_add<mode>_internal): Delete.
10501 (sync_addshort_internal): Use unspec instead of unspec_volatile.
10502 (sync_sub<mode>_internal): Delte.
10503 (sync_subshort_internal): New.
10504 (sync_andsi_internal): Use unspec instead of unspec_volatile.
10505 (sync_anddi_internal): Delete.
10506 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10507 (sync_booldi_internal): Delete.
10508 (sync_boolc<mode>_internal): Delete.
10509 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10510 (sync_boolc<mode>_internal2): Delete.
10511 (sync_boolcc<mode>_internal): Delete.
10512 (isync, lwsync): Use unspec instead of unspec_volatile.
10513 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10514 Revert UNSPEC_VOLATILE.
10515 (rs6000_split_atomic_op): New.
10516 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10518 2005-07-14 Eric Christopher <echristo@redhat.com>
10520 * config/mips/mips.c (mips_canonicalize_comparison): Cast
10521 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10523 2005-07-14 Eric Christopher <echristo@redhat.com>
10525 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10527 2005-07-14 Steven Bosscher <stevenb@suse.de>
10529 PR tree-optimization/22230
10530 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10531 the computation of the four cross productions for "range op range".
10533 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
10534 Ulrich Weigand <uweigand@de.ibm.com>
10537 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10540 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10542 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10544 2005-07-14 Steve Ellcey <sje@cup.hp.com>
10546 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10548 2005-07-14 Richard Guenther <rguenther@suse.de>
10550 PR middle-end/22347
10551 * config/i386/i386-protos.h (ix86_function_value): Change
10552 prototype to match new target hook.
10553 * config/i386/i386.c (ix86_value_regno): Change prototype
10554 to take extra type argument.
10555 (TARGET_FUNCTION_VALUE): Define.
10556 (ix86_function_ok_for_sibcall): Pass extra argument to
10557 ix86_value_regno, check return slot rtx for exact match.
10558 (ix86_function_value): Take extra parameter. Dispatch to
10559 ix86_value_regno with fndecl/fntype as provided.
10560 (ix86_value_regno): Handle extra type argument.
10561 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10563 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10564 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10565 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10566 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10567 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10569 2005-07-14 Richard Guenther <rguenther@suse.de>
10571 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10572 * calls.c (expand_call): Pass fntype to hard_function_value.
10573 (emit_library_call_value_1): Likewise.
10574 * explow.c: Include target.h.
10575 (hard_function_value): Take extra argument, the fntype.
10576 Use new target hook for function_value.
10577 * expr.h (hard_function_value): Change prototype.
10578 * function.c (aggregate_value_p): Pass 0 as fntype to
10579 hard_function_value.
10580 (assign_parms): Use new target hook for function_value.
10581 Pass 0 as fntype to hard_function_value.
10582 (expand_function_end): Likewise.
10583 * reg-stack.c: Include target.h.
10584 (stack_result): Use new target hook for function_value.
10585 * target-def.h: New target hook function_value.
10586 * target.h: Likewise.
10587 * targhooks.c (default_function_value): New function.
10588 * targhooks.h (default_function_value): Declare.
10590 2005-07-13 Ian Lance Taylor <ian@airs.com>
10592 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10594 2005-07-14 Jan Hubicka <jh@suse.cz>
10596 * tree-dfa.c (dump_variable): Use default_def function.
10597 * tree-ssa-alias.c (dump_points_to_info): Likewise.
10598 * tree-ssa.c (verify_use): Likewise.
10599 * tree-ssanames.c (release_ssa_name): Likewise.
10600 * tree-tailcall.c (eliminate_tail_call): Likewise.
10601 (tree_optimize_tail_calls_1): Likewise.
10602 * tree-vrp.c (get_value_range): Likewise.
10604 2005-07-14 Ben Elliston <bje@au.ibm.com>
10606 * gcc.c (main): Compare language[0] with '*' when iterating over
10609 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10611 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10612 "s390_emit_compare". Add handling of CCZ1mode.
10613 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10614 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10616 (s390_branch_condition_mask): Add CCZ1mode handling.
10617 * config/s390/s390.md: ("seq", "*seq"): New pattern.
10618 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10619 Use CCZ1mode instead of CCZmode.
10620 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
10622 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10624 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10626 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10628 2005-07-13 Eric Christopher <echristo@redhat.com>
10630 * config/mips/mips.c (mips_canonicalize_comparison): New.
10631 (mips_emit_int_relational): Use.
10633 2005-07-13 Eric Christopher <echristo@redhat.com>
10635 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10636 static extra parts.
10637 * config/s390/s390.md: Include tpf.md. Move tpf specific
10639 * config/s390/tpf.md: To here.
10640 * config/s390/s390.opt: Move tpf specific options...
10641 * config/s390/tpf.opt: to here. Add mmain option.
10642 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10643 * config/s390/tpf.h: Rewrite.
10645 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10647 * doc/tm.texi: Remove @xref{Cross-profiling}.
10649 2005-07-13 Jeff Law <law@redhat.com>
10651 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10652 expressions, test their _DECL operands for pointer equality rather
10653 than using operand_equal_p.
10655 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10657 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10658 (TARGET_POSIX_IO): This.
10659 * config/darwin.h: Likewise.
10660 * config/freebsd.h: Likewise.
10661 * config/linux.h: Likewise.
10662 * config/lynx.h: Likewise.
10663 * config/netbsd.h: Likewise.
10664 * config/rs6000/linux64.h: Likewise.
10665 * config/rs6000/linux.h: Likewise.
10666 * config/s390/tpf.h: Likewise.
10667 * config/sh/embed-elf.h: Likewise.
10668 * config/sparc/linux64.h: Likewise.
10669 * config/sparc/linux.h: Likewise.
10670 * config/svr4.h: Likewise.
10671 * gcov-io.h: Likewise.
10673 * doc/tm.texi: Updated.
10675 * libgcov.c (create_file_directory): Defined only if
10676 TARGET_POSIX_IO is defined.
10677 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10680 2005-07-13 Jan Hubicka <jh@suse.cz>
10682 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10684 2005-07-13 David Edelsohn <edelsohn@gnu.org>
10686 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10687 structure as argument.
10689 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
10691 PR tree-optimization/21921
10692 * tree-iterator.c (tsi_link_before): Support the case when
10693 tsi_end_p (tsi) == true.
10695 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10697 PR tree-optimization/22442
10698 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10701 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10703 PR rtl-optimization/20376
10704 * toplev.c (process_options): Enable -fweb and -frename-registers when
10706 * doc/invoke.texi: Update the information about when -fweb and
10707 -frename-registers are enabled.
10709 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10712 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10713 if *rhs_p is not a SSA_NAME.
10715 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
10717 Fix PR tree-optimization/22422
10718 * tree-ssa-structalias.c (struct variable_info): Add flag for
10720 (get_varinfo): Now a static function.
10721 (new_varinfo): init has_union and is_special_var to false.
10722 (solution_set_add): Check has_union.
10723 (do_da_constraint): Move temporary variable so it gets reset
10725 Also check for special variable.
10726 (do_ds_constraint): Ditto.
10727 (do_sd_constraint): Ditto.
10728 (do_structure_copy): Check for special variable.
10729 (find_func_aliases): Ditto.
10730 (init_base_vars): Set special vars properly.
10732 2005-07-13 Jan Hubicka <jh@suse.cz>
10734 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10737 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10738 (get_expr_operands): Fix thinko wrt flags and subvars.
10740 PR tree-optimize/22379
10741 * tree-inline.c (expand_call_inline): Do not output sorry in early
10744 2005-07-12 Dale Johannesen <dalej@apple.com>
10746 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
10748 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10751 * host-linux.h: Include limits.h.
10753 2005-07-12 Dale Johannesen <dalej@apple.com>
10755 * expr.c (compress_float_constant): Add cost check.
10756 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
10758 2005-07-12 Dale Johannesen <dalej@apple.com>
10760 * gcc.target/i386/compress-float-sse.c: New.
10761 * gcc.target/i386/compress-float-sse-pic.c: New.
10762 * gcc.target/i386/compress-float-387.c: New.
10763 * gcc.target/i386/compress-float-387-pic.c: New.
10764 * gcc.dg/compress-float-ppc.c: New.
10765 * gcc.dg/compress-float-ppc-pic.c: New.
10767 2005-07-12 Eric Christopher <echristo@redhat.com>
10769 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10770 static extra parts.
10771 * config/s390/s390.md: Include tpf.md. Move tpf specific
10773 * config/s390/tpf.md: To here.
10774 * config/s390/s390.opt: Move tpf specific options...
10775 * config/s390/tpf.opt: to here. Add mmain option.
10776 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10777 * config/s390/tpf.h: Rewrite.
10779 2005-07-12 Eric Christopher <echristo@redhat.com>
10781 * gcc.c (struct infile): Update comment for language.
10782 (main): Rewrite input file resetting code.
10784 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10787 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10788 requiring a cast in a non RHS of modify_expr. Add a cast when required.
10789 (lookup_avail_expr): Use constant_boolean_node instead
10790 of boolean_false_node/boolean_true_node.
10792 2005-07-12 Ben Elliston <bje@au.ibm.com>
10794 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10795 and use it when printing num_edges.
10797 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
10799 * doc/extend.texi (Blackfin Built-in Functions): New section.
10800 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10803 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
10805 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10806 s/cmpstrsi/cmpstrnsi
10807 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10809 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10810 (init_optabs): Initialize cmpstrn_optab.
10811 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10812 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10813 * expr.c: (enum insn_code cmpstrn_optab): Declare.
10814 * config/i386/i386.md: s/cmpstr/cmpstrn
10815 * config/c4x/c4x.md: s/cmpstr/cmpstrn
10816 * doc/md.texi: Update documentation.
10818 2005-07-11 Richard Henderson <rth@redhat.com>
10820 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10821 build_va_arg_indirect_ref.
10822 (alpha_gimplify_va_arg): Likewise.
10823 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10824 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10825 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10826 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10827 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10828 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10830 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10832 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10834 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10835 * passes.c (init_optimization_passes): Add pass_empty_loop.
10836 * tree-pass.h (pass_empty_loop): Declare.
10837 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10838 try_remove_empty_loop, remove_empty_loops): New functions.
10839 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10840 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10842 2005-07-12 Peter Barada <peter@the-baradas.com>
10844 PR middle-end/16719
10845 PR middle-end/18421
10846 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10847 in address registers.
10848 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10849 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10850 alternative of addsi3_5200.
10852 2005-07-11 Ian Lance Taylor <ian@airs.com>
10854 * config/mips/mips.md (ffs<mode>2): Remove.
10856 2005-07-11 Ian Lance Taylor <ian@airs.com>
10858 * doc/tree-ssa.texi (Cleanups): Improve description of
10860 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10862 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10864 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10865 * tree.h (DECL_ARGUMENT_FLD): New macro.
10867 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10869 Fix PR tree-optimization/22404
10871 * tree-ssa-structalias.c (create_variable_info_for): Use
10874 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
10876 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10877 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10878 for second comparison operand.
10879 * config/bfin/predicates.md (reg_or_const_int_operand): New.
10881 * config/bfin/bfin.md (define_attr "type"): Add "sync".
10882 (define_insn_reservation "alu"): Likewise.
10883 (csync, ssync): Now of type sync.
10884 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10885 -mcsync-anomaly -mspecld-anomaly.
10886 * config/bfin/bfin.opt (mcsync): Remove.
10887 (mcsync-anomaly, mspecld-anomaly): Add.
10888 * config/bfin/bfin.c: Include "insn-codes.h".
10889 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10890 (TARGET_DEFAULT_TARGET_FLAGS): New.
10891 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10893 2005-07-11 Steven Bosscher <stevenb@suse.de>
10895 * basic-block.h: Give the BB flags enum a name, bb_flags.
10896 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10897 * cfgcleanup.c (enum bb_flags): Remove here.
10898 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10899 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10900 (update_forwarder_flag): Likewise.
10901 (thread_jump): Likewise.
10902 (try_forward_edges): Likewise.
10903 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
10904 forwarder flags. Don't clear bb->aux for all basic blocks. Only
10905 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10907 2005-07-11 Richard Guenther <rguenther@suse.de>
10909 * config/i386/i386.opt: New target option -msseregparm.
10910 * config/i386/i386.c (override_options): Error out for
10911 -msseregparm but no SSE support.
10912 (ix86_function_sseregparm): Check for global sseregparm.
10913 * doc/invoke.texi: Document -msseregparm.
10915 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10917 * config.gcc (m32r-*-linux*): Use the default extra_parts.
10918 (m32rle-*-linux*): Ditto.
10920 2005-07-11 Jakub Jelinek <jakub@redhat.com>
10922 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10923 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10926 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10928 PR middle-end/22239
10930 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10931 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10933 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
10935 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10936 (varmap): Heapify varmap.
10937 (constraints): Heapify constraints.
10938 (struct constraint_graph): Heapify succs and preds.
10939 (constraint_vec_find): Update for heapification.
10940 (constraint_set_union): Ditto.
10941 (insert_into_complex): Ditto.
10942 (constraint_edge_vec_find): Ditto.
10943 (erase_graph_self_edge): Ditto.
10944 (add_graph_edge): Ditto.
10945 (get_graph_weights): Ditto.
10946 (merge_graph_nodes): Ditto.
10947 (build_constraint_graph): Ditto.
10948 (topo_visit): Ditto.
10949 (solve_graph): Ditto.
10950 (create_variable_info_for): Ditto.
10951 (init_base_vars): Ditto.
10952 (delete_points_to_sets): Free graph, varmap, and complex constraints.
10953 (condese_varmap_nodes): Free complex vector.
10954 (clear_edges_for_node): Clear succs and preds vector.
10956 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10958 * tree-ssa-structalias.c (update_alias_info): Change counting of
10959 references to not include vdefs.
10961 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10963 * tree-ssa-alias.c (free_used_part_map): Add missing free.
10964 (up_insert): Ditto.
10966 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10968 * pa.c (pa_commutative_p): Make PLUS commutative when
10969 TARGET_NO_SPACE_REGS is true.
10971 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10973 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10974 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10975 * tree-dfa.c (dump_subvars_for): New.
10976 (debug_subvars_for): New.
10977 (dump_variable): Show subvariables if VAR has them.
10978 * tree-flow-inline.h (get_subvar_at): New.
10979 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10980 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10982 (struct subvar): Change fields offset and size to unsigned
10984 (dump_subvars_for): Declare.
10985 (debug_subvars_for): Declare.
10986 (get_subvar_at): Declare.
10987 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10988 to unsigned HOST_WIDE_INT *.
10989 (overlap_subvar): Likewise.
10990 * tree-gimple.c (is_gimple_reg): Always return false for
10991 SFTs and memory tags.
10992 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10993 Update all callers.
10994 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10995 (compute_may_aliases): Call compute_points_to_sets.
10996 (collect_points_to_info_for): Remove.
10997 (compute_points_to_and_addr_escape): Remove.
10998 (delete_alias_info): Call delete_points_to_sets.
10999 (compute_flow_sensitive_aliasing): If the call to
11000 find_what_p_points_to returns false, call set_pt_anything.
11001 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11002 (set_pt_anything): Clear pi->pt_vars.
11003 (set_pt_malloc): Remove.
11004 (merge_pointed_to_info): Remove.
11005 (add_pointed_to_expr): Remove.
11006 (add_pointed_to_var): Remove.
11007 (collect_points_to_info_r): Remove.
11008 (is_escape_site): Make extern.
11010 (create_overlap_variables_for): Call it.
11011 * tree-ssa-copy.c (merge_alias_info): Never merge
11012 flow-sensitive alias information.
11013 * tree-ssa-operands.c (get_expr_operands): Adjust variables
11014 offset and size to be unsigned HOST_WIDE_INT.
11015 (add_to_addressable_set): Rename from note_addressable.
11016 Set TREE_ADDRESSABLE as the variables are added to the set.
11018 (add_stmt_operand): Do not try to micro-optimize unmodifiable
11019 operands into VUSEs when adding V_MAY_DEFs for members in an
11021 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11022 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11023 (struct variable_info): Add bitfield is_heap_var.
11024 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11025 (new_var_info): Initialize is_heap_var.
11026 (get_constraint_for): Add HEAP variables to the symbol table.
11027 Mark them with is_heap_var.
11028 (update_alias_info): New. Taken mostly from the old
11029 compute_points_to_and_addr_escape.
11030 (handle_ptr_arith): New.
11031 (find_func_aliases): Call update_alias_info.
11032 Call handle_ptr_info for tcc_binary expressions.
11033 Call mark_stmt_modified.
11034 (create_variable_info_for): If DECL has subvars, do not create
11035 variables for its subvars. Always add all the fields.
11036 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11037 SFTs, then add all the SFTs of the structure.
11038 If VI->DECL is an aggregate with subvariables, add the SFT at
11040 (find_what_p_points_to): If VI is an artificial variable,
11041 translate to bitfields in SSA_NAME_PTR_INFO.
11042 If the solution is empty, set pi->pt_vars to NULL
11043 (init_base_vars): Create ANYOFFSET.
11044 (compute_points_to_sets): Rename from create_alias_vars.
11046 (pass_build_pta): Remove.
11047 (delete_points_to_sets): Rename from delete_alias_vars.
11048 (pass_del_pta): Remove.
11049 * tree-ssa-structalias.h (struct alias_info): Move from
11051 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11052 NUM_REFERENCES_SET): Likewise.
11053 (compute_points_to_sets, delete_points_to_sets): Declare.
11055 2005-07-09 Richard Henderson <rth@redhat.com>
11057 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11058 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11059 alpha_split_lock_test_and_set_12): New functions.
11060 * config/alpha/alpha-protos.h: Update.
11061 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11062 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11063 * config/alpha/sync.md (I12MODE): New.
11064 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11065 (sync_<fetchop_name><I48MODE>): Likewise.
11066 (sync_nand<I48MODE>): Likewise.
11067 (sync_old_<fetchop_name><I48MODE>): Likewise.
11068 (sync_new_<fetchop_name><I48MODE>): Likewise.
11069 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11070 (sync_compare_and_swap<I48MODE>): Likewise.
11071 (sync_lock_test_and_set<I48MODE>): Likewise.
11072 (sync_compare_and_swap<I12MODE>): New.
11073 (sync_compare_and_swap<I12MODE>_1): New.
11074 (sync_lock_test_and_set<I12MODE>): New.
11075 (sync_lock_test_and_set<I12MODE>_1): New.
11077 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11081 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11083 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11085 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11086 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11088 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11091 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11093 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11095 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11096 memory_operand constraint.
11097 (store_conditional_<mode>): Same.
11098 (sync_compare_and_swap<mode>): Same.
11099 (sync_lock_test_and_set<mode>): Same.
11101 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11103 Rewrite PIC support to more closely model actual instructions.
11104 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11105 (cris_symbol): Remove prototypes for removed functions.
11106 (cris_pic_symbol_type_of, cris_valid_pic_const)
11107 (cris_expand_pic_call_address): Prototypes for new functions.
11108 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11110 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11112 <case ':'>: Add case for new punctuation character.
11113 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11114 emitting (extra) PIC modifier.
11115 <case UNSPEC>: Do not assert for PLT.
11116 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11117 (cris_expand_prologue, cris_expand_epilogue): Check
11118 for pic_offset_table_rtx usage instead of taking
11119 current_function_uses_pic_offset_table as the final word.
11120 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11121 Remove flag_pic difference.
11122 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11123 the moral equivalents of...
11124 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11126 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11127 (cris_handle_option): Mark ARG as unused.
11128 (cris_expand_pic_call_address): New worker function for "call",
11130 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11131 output PIC constructs here.
11132 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11133 as symbol-specific modifers, not whole or part of operands.
11134 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11135 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11136 constants and flag_pic.
11137 (CONSTANT_INDEX_P): Adjust for new functions.
11138 (enum cris_pic_symbol_type): New helper type.
11139 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11140 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11141 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11143 ("movsi"): Emit actual instructions for GOT and relative access.
11144 ("*movsi_got_load"): New pattern to set up the register holding
11146 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11147 Adjust FIXME for 'S'.
11148 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11149 Use "movs" for -fpic cases.
11150 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11151 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11152 ("call", "call_value"): Just call cris_expand_pic_call_address for
11154 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11155 Remove special pattern.
11156 ("*expanded_call_side", "*expanded_call_value_side"): New
11158 (gotplt-to-plt, gotplt-to-plt-side-call)
11159 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11161 * config/cris/cris/predicates.md
11162 ("cris_general_operand_or_gotless_symbol"): Remove unused
11164 ("cris_general_operand_or_symbol"): Adjust for new functions.
11166 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11168 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11170 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11172 * Makefile.in (TREE_H): Add treestruct.def.
11173 (c-decl.o): Add pointer-set.h
11174 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11175 visibility on regular DECL's.
11176 (merge_decls): Fix the copying of decl nodes of various types for
11177 the new structures. Don't update RTL, section name, weak status,
11178 etc, on DECL's without RTL.
11179 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11180 Don't check volatile on non-variable types.
11181 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11182 to check whether we have seen arguments.
11183 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11184 flag is checked before field (flag is common, field is not).
11185 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11186 TS_DECL_COMMON could have an origin.
11187 (add_location_or_const_value_attribute): Don't check section name
11188 on non-var/function decls.
11189 (dwarf2out_var_location): Reverse order of tests.
11190 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11191 with DECL_WRTL_CHECK.
11192 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11193 * fold-const.c (fold_binary): Don't check weakness on
11194 non-var/function decls.
11195 (tree_expr_nonzero_p): Ditto.
11196 (fold_checksum_tree): Use tree_decl_extra as sizeof
11198 * ggc-page.c (extra_order_size_table): Add sizes for
11199 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11201 * gimplify.c (gimplify_bind_expr): Only set
11202 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11203 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11205 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11206 * langhooks.h (init_ts). New langhook.
11207 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11208 * print-tree.c (print_node): Update to only print fields that
11209 exist in the structures the passed decl has.
11210 * toplev.c (wrapup_global_declarations): Don't reset
11211 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11212 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11213 * tree-inline.c (remap_decl): Ditto.
11214 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11215 * tree-pretty-print.c (print_declaration): Don't print
11216 DECL_REGISTER on things that don't contain it.
11217 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11218 non-var/function decls.
11219 * tree.c (tree_contains_struct): New structure.
11220 (init_priority_for_decl): New hashtable.
11221 (tree_int_map): New structure.
11222 (tree_int_map_eq): New function.
11223 (tree_int_map_marked_p): Ditto.
11224 (tree_int_map_hash): Ditto.
11225 (tree_map): Move to tree.h.
11226 (tree_map_eq): Externalize.
11227 (tree_map_hash): Ditto.
11228 (tree_map_marked_p): Ditto.
11229 (init_ttree): Set up tree_contains_struct and call langhook.
11230 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11231 (tree_code_size): Update for new structures.
11232 (tree_node_structure): Update for new structures.
11233 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11235 (copy_node_stat): Copy init priority.
11236 (build_decl_stat): Ditto for visibility.
11237 (ts_enum_names): New.
11238 (tree_contains_struct_check_failed): New function.
11239 (decl_init_priority_lookup): Ditto.
11240 (decl_init_priority_insert): Ditto.
11241 * treestruct.def: New file.
11242 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11243 (CONTAINS_STRUCT_CHECK): Ditto.
11244 (tree_contains_struct_check_failed): New prototype.
11245 (DECL_CHECK): Removed.
11246 (DECL_MINIMAL_CHECK): New.
11247 (DECL_COMMON_CHECK): Ditto.
11248 (DECL_WRTL_CHECK): Ditto.
11249 (DECL_NON_COMMON_CHECK): Ditto.
11250 (DECL_WITH_VIS_CHECK): Ditto.
11251 (VAR_OR_FUNCTION_DECL_P): Ditto
11252 (struct tree_decl_minimal): New structure.
11253 (struct tree_decl_common): Ditto.
11254 (struct tree_decl_with_rtl): Ditto.
11255 (struct tree_decl_with_vis): Ditto.
11256 (struct tree_decl_non_common): Ditto.
11257 (struct tree_field_decl): Ditto.
11258 (struct tree_parm_decl): Ditto.
11259 (struct tree_var_decl): Ditto.
11260 (struct tree_function_decl): Ditto.
11261 (struct tree_const_decl): Ditto.
11262 (struct tree_result_decl): Ditto.
11263 (union tree_node): Add new structures.
11264 * var-tracking.c (track_expr_p): Reverse order of tests.
11266 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11268 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11270 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11271 * system.h: Poison FINALIZE_PIC.
11272 * doc/tm.texi (FINALIZE_PIC): Remove.
11274 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11277 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11278 to the correct type if we have a MODIFY_EXPR.
11280 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11282 PR tree-optimization/22360
11283 * tree.c (upper_bound_in_type): Fix calculations for casting
11284 to a non-wider signed type and casting a signed value to a
11285 wider unsigned type.
11286 (lower_bound_in_type): Fix calculations for casting to a
11287 non-wider signed type.
11289 PR tree-optimization/20139
11290 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11292 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11293 fold_cond_expr_cond.
11294 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11295 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11297 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11300 * tree-complex.c (expand_complex_libcall): Produce
11301 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11303 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11305 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11306 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11307 b" assert and inserted fastpath code for this case.
11308 (bitmap_ior): Removed "a != b" assert.
11310 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11312 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11313 (ENDFILE_SPEC): Likewise.
11314 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11316 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11317 a large stack frame at epilogue.
11319 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11321 * final.c: Include sdbout.h when required.
11323 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11325 * config.gcc (*-*-darwin*): Only one target-specific header file
11326 for generic darwin.
11327 (powerpc-*-darwin*): Add version-specific header files.
11328 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11329 * config.in: Regenerate.
11330 * configure: Regenerate.
11331 * gcc.c: Include xregex.h.
11332 (version_compare_spec_function): New.
11333 (spec_function): Add version-compare.
11334 (replace_outfile_spec_function): Reformat comment.
11335 (compare_version_strings): New.
11336 * config/darwin-c.c (version_as_macro): New.
11337 (builtin_define): New.
11338 (darwin_cpp_builtins): New.
11339 * config/darwin-protos.h (darwin_cpp_builtins): New.
11340 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11341 (LIB_SPEC): Make unconditional, update comment.
11342 (TARGET_C99_FUNCTIONS): Define.
11343 * config/darwin.opt: Sort.
11344 (mmacosx-version-min=): New.
11345 * config/darwin7.h: Delete.
11346 * config/darwin8.h: Delete.
11347 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11348 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11349 (TARGET_C99_FUNCTIONS): Define.
11350 * config/rs6000/darwin7.h: New.
11351 * config/rs6000/darwin8.h: New.
11352 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11353 (-mmacosx-version-min): Document.
11355 2005-07-07 Ian Lance Taylor <ian@airs.com>
11357 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11359 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11361 PR middle-end/22239
11362 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11364 2005-07-07 Khem Raj <kraj@mvista.com>
11366 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11367 in bytes, not words.
11369 2005-07-07 Paul Brook <paul@codesourcery.com>
11371 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11372 DEFAULT_FUNCTION_ARG_PADDING to upward.
11374 2005-07-07 Richard Henderson <rth@redhat.com>
11376 * function.c (locate_and_pad_parm): Record parameter alignment in
11377 stack_alignment_needed.
11379 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11381 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11382 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11383 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11384 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11385 (define_attr "type"): Add isync, sync, load_l, store_c.
11386 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11387 Create scratch volatile MEM.
11388 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11390 (load_locked_<mode>): New.
11391 (store_conditional_<mode>): New.
11392 (sync_compare_and_swap<mode>): Replace with splitter.
11393 (sync_lock_test_and_set<mode>): Replace with splitter.
11394 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11396 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11397 is ics. Attribute isync.
11398 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11400 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11401 and UNSPECV_SYNC_OP.
11402 (emit_unlikely_jump): New.
11403 (emit_load_locked): New.
11404 (emit_store_conditional): New.
11405 (rs6000_split_compare_and_swap): New.
11406 (rs6000_split_lock_test_and_set): New.
11407 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11408 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11409 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11410 rs6000_split_lock_test_and_set): Declare.
11411 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11412 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11413 store_c, isync, sync.
11415 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
11417 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11418 filenames to gtyp-gen.h.
11419 (s-typ-gen): Use it in place of for loops.
11421 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
11423 * hooks.c (hook_bool_rtx_int_false): New function.
11424 * hooks.h (hook_bool_rtx_int_false): Declare.
11425 * target-def.h (TARGET_COMMUTATIVE_P): Define.
11426 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11427 * target.h (struct gcc_target): Add commutative_p member.
11428 * targhooks.c (hook_bool_rtx_commutative_p): New function.
11429 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11430 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11431 (pa_commutative_p): New function.
11432 * jump.c (target.h): Include.
11433 (rtx_renumbered_equal_p): Use targetm.commutative_p.
11434 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11436 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11438 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11439 (s390_expand_setmem): New.
11440 * config/s390/s390.c: Likewise.
11441 (print_shift_count_operand): Truncate to 12 bits instead of 6.
11443 * config/s390/s390.md: ("setmem<mode>"): Accept character as
11444 general_operand. Call new function "s390_expand_setmem".
11445 ("clrmem_long", "*clrmem_long"): Rewrite to ...
11446 ("setmem_long", "*setmem_long"): ... this.
11448 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11450 * config/s390/s390.c: (optimization_options): Enable
11451 TARGET_MVCLE at -Os.
11452 * doc/invoke.texi: Document changes in default behaviour.
11453 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11455 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11457 * expr.c: (set_storage_via_setmem): Convert opchar to mode
11458 defined by back-end.
11460 2005-07-07 Jakub Jelinek <jakub@redhat.com>
11462 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11463 all sets in the pattern.
11464 * config/rs6000/rs6000.md (stack_protect_testsi,
11465 stack_protect_testdi): Likewise.
11467 2005-07-06 Jeff Law <law@redhat.com>
11469 * tree-vrp.c (simplify_using_ranges): Kill.
11470 (vrp_finalize): Remove call to simplify_using_ranges.
11471 (simplify_stmt_using_ranges): New function extracted from
11472 simplify_using_ranges.
11473 (simplify_div_or_mod_using_ranges): Likewise.
11474 (simplify_abs_using_ranges): Likewise.
11475 (simplify_cond_using_ranges): New function.
11476 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11477 * tree-ssa-propagate.c (substitute_and_fold): Call
11478 simplify_stmt_using_ranges if we have range information.
11480 2005-07-06 James E. Wilson <wilson@specifixinc.com>
11482 * config/ia64/ia64.c (ia64_reorg): Check optimize before
11483 ia64_flag_schedule_isns2.
11485 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11486 reading/writing general registers.
11487 (ia64_function_arg): Revert 2005-06-18 change.
11489 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
11491 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11492 (legitimize_tls_address): Use gcc_unreachable instead of abort.
11494 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
11496 * function.c (expand_function_end): Revert part of 2005-06-27
11497 patch. Do sjlj_emit_function_exit_after after return_label.
11499 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11501 * doc/install.texi (--disable-libssp): New.
11503 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
11505 * doc/invoke.texi: Update -fforce-mem documentation.
11506 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11507 code for -fforce-mem.
11508 * expmed.c: (store_bit_field,store_fixed_bit_field,
11509 extract_bit_field): Ditto.
11510 * expr.c: (convert_move): Ditto.
11511 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11512 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11513 emit_conditional_add,expand_float,expand_fix): Ditto.
11514 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11515 (common_handle_option): Issue warning when -fforce-mem specified.
11517 2005-07-06 Paul Brook <paul@codesourcery.com>
11519 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11521 * configure: Regenerate.
11523 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
11525 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11527 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
11529 Fix PR tree-optimization/22319
11530 Fix PR tree-optimization/22140
11531 Fix PR tree-optimization/22310
11533 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11534 variable sized types.
11535 Use correct type for intermediate structure on *a = *b structure
11538 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11540 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11542 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11543 (machine_function): Move typedef to...
11544 * config/rs6000/rs6000.c (machine_function): ... here. Add
11545 varargs_save_offset field.
11546 (rs6000_stack_t): Remove varargs_size field.
11547 (setup_incoming_varargs): Allocate varargs save area using
11548 assign_stack_local, try to make it as small as possible.
11549 Save offset from virtual_stack_vars_rtx to the save area
11550 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
11551 instead of magic 8 when fp word byte size is used.
11552 (rs6000_va_start): Use cfun->machine->varargs_save_offset
11553 instead of -RS6000_VARARGS_SIZE.
11554 (rs6000_stack_info, debug_stack_info,
11555 rs6000_initial_elimination_offset): Remove all traces of
11557 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11558 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11559 RS6000_VARARGS_AREA.
11561 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
11563 PR tree-optimization/21963
11564 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11565 constant_multiple_of in the same way get_computation_cost_at does.
11567 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11569 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11570 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11571 (gen_compare_reg): If sparc_compare_emitted is set, clear it
11572 and return its previous value.
11573 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11574 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11576 (stack_protect_set, stack_protect_test): New expanders.
11577 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11578 stack_protect_testdi): New insns.
11579 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11580 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11582 2005-07-06 Jeff Law <law@redhat.com>
11584 * tree-ssa-dce.c (cfg_altered): New global.
11585 (tree_dce_init): Initialize cfg_altered.
11586 (remove_dead_stmt): If we remove an edge in the CFG, then set
11588 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11591 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11593 * Makefile.in (stamp-collect-ld): Use
11594 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
11595 ./collect-ld if it already exists.
11596 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11597 Don't remove ./nm if it already exists.
11599 2005-07-05 Devang Patel <dpatel@apple.com>
11601 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11602 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11603 * tree-vectorizer.c (vect_loop_location): New.
11604 (vect_print_dump_info): Use vect_loop_location.
11605 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11606 (vectorize_loops): Set vect_loop_location.
11607 * tree-vect-analyze.c (vect_analyze_offset_expr,
11608 vect_determin_vectorization_factor, vect_analyze_operations,
11609 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11610 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11611 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11612 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11613 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11614 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11615 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11616 vect_analyze_loop): Adjust vect_print_dump_info API.
11617 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11618 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11619 vect_finish_stmt_generation, vectorizable_assignment,
11620 vectorizable_operation, vectorizable_store, vectorizable_load,
11621 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11622 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11623 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11624 vect_transform_loop): Same.
11625 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11626 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11629 2005-07-05 Randolph Chung <tausq@debian.org>
11631 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11632 * configure: Regenerate.
11633 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11634 (pa_tls_referenced_p): Declare.
11635 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11636 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11637 (legitimize_tls_address): New.
11638 (hppa_legitimize_address): Handle TLS addresses.
11639 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11640 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11641 (emit_move_sequence): Handle TLS addresses.
11642 (pa_encode_section_info): Call default handler to handle common
11644 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11645 (CONSTANT_ADDRESS_P): Reject TLS operands.
11646 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11647 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11648 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11649 (UNSPEC_TLSLE): Define new constants.
11650 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11651 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11652 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11653 (tie_symbolic_operand, tle_symbolic_operand): New
11655 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
11657 * aclocal.m4: Update macros for autoconf 2.59 style.
11658 * configure.ac: Likewise.
11660 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11662 * pa.c (function_value): Handle small aggregates on 32-bit targets.
11663 (function_arg): Pass small aggregates in general registers on 32-bit
11665 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11667 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
11669 * Makefile.in (final.o): Fix dependencies.
11671 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11675 * langhooks.h (struct lang_hooks): Add expr_to_decl.
11676 * langhooks.c (lhd_expr_to_decl): New.
11677 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11679 (LANG_HOOKS_INITIALIZER): Update.
11680 * tree.c (recompute_tree_invarant_for_addr_expr): Call
11681 expr_to_decl langhook.
11682 * c-tree.h (c_expr_to_decl): Declare.
11683 * c-typeck.c (c_expr_to_decl): New.
11684 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11686 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11688 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11691 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11692 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11694 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
11696 * Makefile.in: Adjust dependencies.
11697 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11698 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11699 * alias.c (rest_of_handle_cfg, pass_cfg): New.
11700 * bb-reorder.c (duplicate_computed_gotos): Make it static.
11701 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11702 rest_of_compilation.
11704 * bb-reorder.c (gate_duplicate_computed_gotos,
11705 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11706 rest_of_handle_reorder_blocks, pass_reorder_blocks,
11707 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11708 pass_partition_blocks): New.
11709 * bt-load.c (gate_handle_branch_target_load_optimize,
11710 rest_of_handle_branch_target_load_optimize,
11711 pass_branch_target_load_optimize): New.
11712 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11714 * cfglayout.c (pass_insn_locators_initialize): New.
11715 * cfgrtl.c (pass_free_cfg): New.
11716 * combine.c (gate_handle_combine, rest_of_handle_combine,
11717 pass_combine): New.
11718 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11719 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11720 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11721 * except.c (pass_set_nothrow_function_flags,
11722 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11724 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11725 rest_of_handle_shorten_branches, pass_shorten_branches,
11726 rest_of_clean_state, pass_clean_state): New.
11727 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11728 rest_of_handle_remove_death_notes, pass_remove_death_notes,
11729 rest_of_handle_life, pass_life, rest_of_handle_flow2,
11731 * function.c (pass_instantiate_virtual_regs, pass_init_function,
11732 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11733 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11734 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11736 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11737 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11738 pass_rtl_ifcvt, gate_handle_if_after_combine,
11739 rest_of_handle_if_after_combine, pass_if_after_combine,
11740 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11741 pass_if_after_reload): New.
11742 * integrate.c (pass_initial_value_sets): New.
11743 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11744 pass_purge_lineno_notes): New.
11745 * mode-switching.c (rest_of_handle_mode_switching,
11746 pass_mode_switching): New.
11747 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11748 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11750 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11751 pass_loop_optimize): New.
11752 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11754 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11756 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11757 pass_postreload_cse): New.
11758 * profile.c (gate_handle_profiling, pass_profiling,
11759 rest_of_handle_branch_prob, pass_branch_prob): New.
11760 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11761 pass_split_before_regstack, gate_handle_split_before_regstack,
11762 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11763 rest_of_handle_split_all_insns, pass_split_all_insns): New.
11764 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11765 pass_stack_regs): New.
11766 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11767 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11768 pass_stack_adjustments): New.
11769 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11770 pass_regrename): New.
11771 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11772 pass_delay_slots, gate_handle_machine_reorg,
11773 rest_of_handle_machine_reorg, pass_machine_reorg): New.
11774 * rtl.h (extern void purge_line_number_notes): New.
11775 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11776 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11778 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11780 * value-prof.c (gate_handle_value_profile_transformations,
11781 rest_of_handle_value_profile_transformations,
11782 pass_value_profile_transformations): New.
11783 * var-tracking.c (gate_handle_var_tracking,
11784 pass_variable_tracking): New.
11785 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11787 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11788 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11789 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11790 rest_of_handle_old_regalloc, rest_of_handle_regrename,
11791 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11792 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11793 rest_of_handle_gcse2, rest_of_handle_regmove,
11794 rest_of_handle_tracer, rest_of_handle_if_conversion,
11795 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11796 rest_of_handle_web, rest_of_handle_branch_prob,
11797 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11798 rest_of_handle_jump_bypass, rest_of_handle_combine,
11799 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11800 rest_of_handle_gcse, rest_of_handle_loop_optimize,
11801 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11802 rest_of_handle_mode_switching, rest_of_handle_jump,
11803 rest_of_handle_eh, rest_of_handle_stack_adjustments,
11804 rest_of_handle_flow2, rest_of_handle_jump2,
11805 rest_of_handle_peephole2, rest_of_handle_postreload,
11806 rest_of_handle_shorten_branches, rest_of_clean_state,
11807 rest_of_compilation): Remove.
11809 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11810 * passes.c (dump_flags, in_gimple_form, all_passes,
11811 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11812 register_dump_files, next_pass_1, last_verified, execute_todo,
11813 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11814 from tree-optimize.c.
11815 (init_optimization_passes): Moved from tree-optimize.c,
11816 adding the RTL optimizations.
11817 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11818 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11819 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11820 register_dump_files, next_pass_1, last_verified, execute_todo,
11821 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11822 init_tree_optimization_passes, ipa_passes): Delete.
11823 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11825 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11826 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11828 (ipa_passes): Remove.
11829 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11830 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11831 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11832 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11833 (dump_info_p, dump_flag): Moved to tree-dump.h.
11835 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11837 * passes.c (finish_optimization_passes): Use dump_begin
11838 and dump_end, TDI_end.
11839 (gate_rest_of_compilation): New.
11840 (pass_rest_of_compilation): Use it.
11841 (gate_postreload, pass_postreload): New.
11842 * toplev.c (general_init): Rename init_tree_optimization_passes.
11843 * toplev.h (init_tree_optimization_passes): Rename to
11844 init_optimizations_passes.
11845 * tree-dump.c (dump_flag): Make static.
11846 (dump_files): Remove RTL dumps.
11847 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11848 pass_cleanup_cfg, pass_free_cfg_annotations,
11849 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11850 pass_init_datastructures, pass_fixup_cfg): Make non-static.
11851 * tree-pretty-print.c: Include tree-pass.h.
11852 * cgraph.c: Include tree-dump.h.
11854 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11856 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11857 Only fall back to saying it points to readonly memory if
11858 we can't do better.
11860 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11862 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11863 * config/m32r/m32r.c (m32r_compute_frame_size,
11864 m32r_expand_prologue): Take current_function_profile into
11865 account whenever we reference
11866 current_function_uses_pic_offset_table.
11867 (m32r_finalize_pic): Remove.
11868 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11870 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
11872 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11873 instead of $<. Don't remove ./as if it already exists.
11875 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11878 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11879 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11880 for complex modes when generating code for PA 1.0.
11881 (VALID_FP_MODE_P): New macro.
11882 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11883 sets for all general and floating point modes. Align wide floating
11884 point modes to even register boundaries to comply with architectural
11886 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11887 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11888 (VALID_FP_MODE_P): New macro.
11889 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11890 sets for all general and floating point modes. Align wide floating
11891 point modes to even register boundaries to comply with architectural
11894 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11896 * tree-dump.c (dump_files): Initialize dump number for .cgraph
11899 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11901 * tree-ssa-structalias.c: Don't include expr.h.
11903 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11905 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11908 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11910 Fix PR tree-optimization/22279
11912 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11915 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
11917 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11919 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11921 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11922 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11923 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11924 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11925 config/stormy16/stormy16.c, config/v850/v850.c,
11926 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11927 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11928 Avoid "." or "\n" at end of diagnostics and capital letters at
11929 start of diagnostics.
11930 * combine.c, cse.c: Don't translate dump file output.
11931 * toplev.c (print_version): Only translate output if going to
11934 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11936 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11937 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11940 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11942 * pa.c (fix_range): Fix typo in comment.
11944 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11946 * tree-vrp.c (extract_range_from_assert): Replace
11947 fold (build (...)) with fold_build2.
11949 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11951 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11952 gcc_gfc_char_table, init_dynamic_gfc_info): New.
11953 (format_types_orig, handle_format_attribute): Add support for
11956 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
11958 * varasm.c (assemble_variable): Fix format specifier thinko.
11960 2005-07-03 Ira Rosen <irar@il.ibm.com>
11962 PR tree-optimization/22029 (and 22135)
11963 * tree-pretty-print.c (dump_generic_node): Check that the node is not
11964 a phi node before calling dump_vops.
11966 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11968 * tree-dump.h (dump_string_field): Declare.
11969 * tree-dump.c: Use it instead of dump_string.
11970 (dump_string_field): Make non-static.
11972 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
11974 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11975 up the minimal CFG stuff always when optimize > 0. Call
11976 split_all_insns_noflow in PIC case if needed.
11978 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11979 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11982 * c-decl.c (c_write_global_declarations): Dump contents of
11984 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11985 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11986 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11987 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11990 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11992 * c-common.h (GCC_DIAG_STYLE): Define.
11993 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
11994 version for format checking to 4.1.
11995 * c-format.c: Include toplev.h after c-common.h.
11996 (enum format_type): Add gcc_tdiag_format_type.
11997 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11998 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11999 (format_types_orig): Add gcc_tdiag.
12000 (init_dynamic_diag_info): Support gcc_tdiag formats.
12001 (handle_format_attribute): Likewise.
12002 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12003 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
12004 version for format checking to 4.1.
12005 (warning0, warning, error, pedwarn, sorry): Use
12006 ATTRIBUTE_GCC_DIAG.
12007 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12008 (finish_aliases_1): Do not use %qE.
12009 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12010 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12011 Correct format bugs.
12012 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12013 parameter to unsigned HOST_WIDE_INT.
12014 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12016 2005-07-02 David Edelsohn <edelsohn@gnu.org>
12018 PR middle-end/21742
12019 * expr.c (write_complex_part): Use adjust_address for MEM.
12020 (read_complex_part): Same.
12022 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12024 Fix PR tree-optimization/22280
12026 * tree-sra.c (generate_element_init): Remove useless loop.
12028 2005-07-02 Richard Henderson <rth@redhat.com>
12030 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12032 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12034 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12036 PR middle-end/14490
12037 * fold-const.c (fold_binary): Handle the return value of
12038 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12039 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12041 2005-07-02 Jeff Law <law@redhat.com>
12043 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12044 a eliminate type conversion which feeds an equality comparison
12045 if the original type or either operand in the comparison is a
12048 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12050 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12051 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12053 * config/avr/avr.c: Do not use '`' as left quote.
12054 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12055 Remove "." from end of diagnostics. Make diagnostics start with
12058 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12059 Joseph S. Myers <joseph@codesourcery.com>
12061 * toplev.c (default_tree_printer): Handle setting location with
12063 * c-objc.common.c (c_tree_printer): Likewise.
12064 * c-format.c (gcc_diag_flag_specs): Add '+'.
12065 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12066 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12068 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12069 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12070 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12071 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12072 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12073 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12074 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12075 format arguments where %J is used without %D.
12077 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12079 * gcc.c (LINK_SSP_SPEC): Define.
12080 (link_ssp_spec): New variable.
12081 (LINK_COMMAND_SPEC): Add %(link_ssp).
12082 (static_specs): Add link_ssp_spec.
12083 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12084 * configure: Rebuilt.
12085 * config.in: Rebuilt.
12087 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12088 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12089 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12090 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12091 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12092 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12093 -0x7008(2) instead of reading __stack_chk_guard variable.
12094 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12096 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12097 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12098 if TARGET_THREAD_SSP_OFFSET is defined.
12099 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12100 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12103 2005-06-27 Richard Henderson <rth@redhat.com>
12104 * libgcc-std.ver (GCC_4.1.0): New.
12105 * libgcc.h (__stack_chk_guard): Declare.
12106 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12107 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12108 * mklibgcc.in (lib2funcs): Add them.
12110 2005-07-01 Richard Henderson <rth@redhat.com>
12112 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12113 void * before struct sigcontext *.
12114 (x86_fallback_frame_state): Likewise.
12116 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12118 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12120 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12123 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12124 we check for SSA_NAME for.
12126 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12128 Fix PR tree-optimization/22071
12130 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12132 (get_constraint_for_component_ref): Use it.
12134 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12137 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12138 print out the last new line.
12140 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12142 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12143 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12144 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12145 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12146 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12147 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12148 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12149 (enum reg_class): New member CC0_REGS.
12150 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12151 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12152 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12153 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12154 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12155 Adjust for register now described.
12157 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12160 * config/i386/i386.md (stack_protect_test_si,
12161 stack_protect_test_di): Add earlyclobber for scratch 3.
12162 * config/rs6000/rs6000.md (stack_protect_testsi,
12163 stack_protect_testdi): Add earlyclobber for scratch 3,
12164 remove earlyclobber from scratch 4.
12166 Older entries for 2005 can be found in ChangeLog-2005.