1 2005-12-16 Steven Bosscher <stevenb@suse.de>
3 * reorg.c (mostly_true_jump): Clean up code depending on
4 LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing
5 poor man's branch prediction, instead rely on REG_BR_PROB
8 2005-12-16 Jakub Jelinek <jakub@redhat.com>
10 PR rtl-optimization/24899
11 * loop.c (strength_reduce): Don't reduce giv that is not always
12 computable and where add_val or mult_val can trap.
14 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
16 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
18 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
19 names of ms1-16-002 files.
21 2005-12-16 Alan Modra <amodra@bigpond.net.au>
24 * gcc.c (for_each_path): New function.
25 (add_to_obstack, file_at_path): New functions.
26 (struct file_at_path_info, struct add_to_obstack_info): New.
27 (build_search_list): Rewrite using for_each_path. Constify struct
28 path_prefix pointer. Add do_multi param. Adjust all callers.
29 (find_a_file): Similarly, but just change existing param to bool.
30 (putenv_from_prefixes): Add do_multi param, make "paths" const.
31 (do_spec_path): Delete.
32 (struct spec_path_info): New.
33 (spec_path): New function.
34 (do_spec_1): Use for_each_path for %D and %I.
35 (find_file): Adjust for find_a_file changes.
36 (main): Search multilibs for specs. Print multilib lib path for
37 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
38 (read_specs): Search multilibs for %include and %include_noerr.
39 (is_directory): Remove second string param. Change last param
40 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
41 check path is a dir. Update all callers.
42 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
43 * system.h (SMALL_ARG_MAX): Poison.
44 * config.gcc: Don't define SMALL_ARG_MAX.
45 * config.host: Likewise.
46 * config.build: Likewise.
48 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
50 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
51 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
52 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
53 simplify_logical): Move simplifications that do not require
54 additional infrastructure...
55 * simplify-rtx.c (simplify_unary_operation_1,
56 simplify_binary_operation_1): ... here.
58 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
61 * flow.c (mark_used_dest_regs): New function.
62 (mark_used_regs): Call mark_used_dest_regs.
64 2005-12-16 Jeff Law <law@redhat.com>
66 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
67 represent a use and definition of the same SSA_NAME.
69 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
70 Janis Johnson <janis187@us.ibm.com>
71 Ben Elliston <bje@au.ibm.com>
73 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
74 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
75 * target.h (struct gcc_target): Add decimal_float_supported_p.
76 * targhooks.c (default_scalar_mode_supported_p): Handle
78 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
79 of inf, nan, finite, isinf and isnan.
80 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
81 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
82 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
83 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
84 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
85 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
86 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
87 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
88 Pedwarn if decimal floating point types are used. Error if
89 decimal floating point is not supported by the target.
90 (finish_declspecs): Return type from DFP typespec_word.
91 * c-typeck.c (c_common_type): Choose the decimal floating point
92 type with the greater precision when determining a common type.
93 (convert_arguments): Warn if there is a mismatch between argument
94 and prototype for decimal float types. Warn of conversions with
95 binary float types and of precision narrowing due to prototype.
96 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
97 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
98 (c_token_starts_declspecs): Likewise.
99 (c_parser_attributes): Likewise.
100 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
101 RID_DFLOAT64, RID_DFLOAT128.
102 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
103 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
104 (shorten_compare): Convert DFP/BFP operands to a common type.
105 (c_common_modes_and_builtins): Register built-in decimal float
106 types if the target supports them.
107 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
108 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
109 inf, nan, finite, isinf and isnan builtins.
110 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
111 (builtin_define_float_constants): Assert non-decimal radix.
112 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
113 Call builtin_define_decimal_float_constants for each type.
114 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
115 flags. Use real_from_string3, which can handle binary or decimal
117 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
118 cts_dfloat64, cts_dfloat128.
119 * tree.c (build_common_tree_nodes_2): Add decimal float types.
120 * tree.h (enum tree_index): Add new enumeration values
121 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
122 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
123 (dfloat32_type_node): New macro.
124 (dfloat64_type_node, dfloat128_type_node): Likewise.
125 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
126 (dfloat128_ptr_type_node): Likewise.
127 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
128 bit decimal floating point types with "df", "dd" and "dl".
129 * c-format.h (enum format_lengths): Add new enumeration values
130 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
131 * c-format.c (printf_length_specs, scanf_length_specs): Add
132 entries for H, D, DD.
133 (print_char_table, scan_char_table): Use new entries.
134 (asm_fprintf_char_table, gcc_diag_char_table,
135 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
137 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
138 (DECIMAL64_TYPE_SIZE): Likewise.
139 (DECIMAL128_TYPE_SIZE): Likewise.
140 (TARGET_DEC_EVAL_METHOD): Likewise.
141 * doc/extend.texi (Decimal Float): New node.
142 (Constructing Calls): Document decimal float built-ins.
143 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
144 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
145 * ginclude/decfloat.h: New file.
147 2005-12-16 Alan Modra <amodra@bigpond.net.au>
149 * reload.c (find_reloads): Fix comment typo.
150 * recog.h (recog_memoized): Correct comment.
152 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
154 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
155 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
156 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
157 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
158 * doc/invoke.texi, doc/tm.texi: Fix typos.
160 2005-12-16 Ben Elliston <bje@au.ibm.com>
162 * real.c (decimal_quad_format): Correct values for emin, emax.
164 2005-12-15 DJ Delorie <dj@redhat.com>
166 * config/m32c/predicates.md (m32c_psi_scale): New.
167 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
168 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
170 2005-12-16 Jan Hubicka <jh@suse.cz>
172 PR rtl-optimization/25224
173 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
176 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
177 Steven Bosscher <stevenb@suse.de>
179 * loop-invariant.c (df): New global variable.
180 (find_defs, check_dependencies, find_invariant_insn, record_uses,
181 find_invariants_bb, find_invariants_body, find_invariants,
182 find_invariants_to_move, move_invariants, free_inv_motion_data,
183 move_single_loop_invariants, move_loop_invariants): Do not pass df in
186 2005-12-15 Jakub Jelinek <jakub@redhat.com>
188 * varasm.c (default_unique_section_1): Use special section
189 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
191 2005-12-16 Ben Elliston <bje@au.ibm.com>
193 * doc/invoke.texi (Warning Options): Document -Walways-true being
196 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
199 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
200 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
201 __floatunditf): Use #error if type sizes don't match requirements
203 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
204 as wider floating-point type. Use #error if type sizes don't
205 match requirements of implementation. Avoid overflow in computing
206 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
207 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
208 (__floatundisf, __floatundidf): Likewise.
209 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
210 * config/ia64/ia64.c (ia64_init_libfuncs): Use
211 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
212 TFmode-TImode conversions.
213 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
215 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
217 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
218 Use builtin_define_with_int_value() instead of
219 adding a new check for every new major FreeBSD version.
221 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
223 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
225 2005-12-15 Richard Sandiford <richard@codesourcery.com>
227 * config/arm/predicates.md (call_memory_operand): New.
228 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
230 2005-12-15 Andrew Haley <aph@redhat.com>
232 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
233 against prev_cache_entry == NULL when moving a cache entry to the
236 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
238 * config/mt/mt.c (mt_override_options): Require lower case
239 architectures. Revert accidental default to ms2.
240 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
241 ENDFILE_SPEC): Require lower case architectures. Revert default
244 * doc/invoke.texi (MT Options): Rename and update.
245 * doc/md.texi (MorphoTech family): Rename and update.
247 2005-12-15 Olivier Hainque <hainque@adacore.com>
249 * stor-layout.c (layout_type): Don't complain about a too small
250 an array element type size compared to its alignment when the
253 2005-12-15 Jan Hubicka <jh@suse.cz>
256 * i386.c (classify_argument): Properly adjust offset of bitfield for
259 2005-12-15 Richard Sandiford <richard@codesourcery.com>
261 * final.c (final_scan_insn): Flip in_cold_section_p when changing
262 between the hot and cold sections. Use current_function_section
263 to get the new section.
264 * dwarf2out.c (output_line_info): Use in_cold_section_p to
265 determine whether we are assembling hot or cold code.
266 (secname_for_decl, dwarf2out_var_location): Likewise.
267 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
268 * varasm.c (last_text_section): Delete.
269 (in_cold_section_p): New variable.
270 (hot_function_section): New function.
271 (current_function_section): Pass in_cold_section_p as the
272 reloc argument to select_section. Use it to decide between
273 unlikely_function_section and hot_function_section.
274 (assemble_start_function): Use switch_to_section. Set
275 in_cold_section_p instead of last_text_section.
276 (assemble_end_function): Use switch_to_section.
277 (switch_to_section): Don't set last_text_section.
278 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
279 argument to make the right choice between hot and cold sections.
281 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
283 Second part of MS1->MT renaming
284 * config/mt/mt.md (doloop_end): Call mt_add_loop.
285 (movqi, movhi): Call mt_set_memflags.
286 (*movdf_internal): Call mt_split_words.
287 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
289 (cmpsi): Store to mt_compare_op[01].
290 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
291 bungt, bunle, bunlt): Call mt_emit_cbranch.
292 (prologue): Call mt_expand_prologue.
293 (epilogu): Call mt_expend_epilogue.
294 (eh_return): Call mt_expand_eh_return.
295 (eh_epilogue): Call me_emit_eh_epilogue.
296 (conditional_trap): Store to mt_compare_op[01].
297 * config/mt/crti.asm: Adjust comment.
298 * config/mt/crtn.asm: Adjust comment.
299 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
300 (mt_compare_op0, mt_compare_op1): Renamed.
301 (current_frame_info, zero_frame_info): Adjust type.
302 (mt_ucmpsi3_libcall): Renamed.
303 (mt_flag_delayed_branch): Renamed.
304 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
305 (mt_nops_required, mt_nop_reasons): Renamed.
306 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
307 mt_debug_stack, mt_print_operand_simple_address,
308 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
309 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
310 mt_function_arg_advance, mt_arg_partial_bytes,
311 mt_pass_by_reference, mt_function_arg_boundary,
312 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
313 mt_legitimate_address_p): Renamed, adjusted.
315 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
316 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
317 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
318 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
319 mt_expand_eh_return, mt_emit_eh_prologue,
320 mt_handl_interrupt_attribute): Renamed, adjusted.
321 (mt_attribute_table): Renamed, adjusted.
322 (mt_initial_elimination_offset, mt_generate_compare,
323 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
324 mt_secondary_reload_class, mt_function_value, mt_split_words,
325 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
326 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
327 (mt_labels): Renamed.
328 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
329 mt_machine_reorg): Renamed, adjusted.
330 (mt_attribute_table: Renamed.
331 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
332 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
333 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
334 * config/mt/mt.opt (march): Set mt_cpu_string.
335 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
336 (TARGET_CPU_CPP_BUILTINS): Adjust.
337 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
339 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
340 (MT_MIN_INT): Renamed.
341 (RETURN_ADDR_RTX): Adjust.
342 (struct mt_frame_info): Renamed.
343 (current_frame_info): Adjust type.
344 (INITIAL_ELIMINATION_OFFSET): Adjust.
345 (MT_NUM_ARG_REGS): Renamed.
346 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
347 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
348 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
349 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
350 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
351 (mt_compare_op0, mt_compare_op1): Renamed.
352 * config/mt/mt-protos.h: Rename prototypes.
354 2005-12-15 Richard Guenther <rguenther@suse.de>
356 * tree-flow.h (okay_component_ref_for_subvars): Remove.
357 (get_ref_base_and_extent): Declare.
358 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
359 (get_ref_base_and_extent): New function.
360 * tree-ssa-alias.c (find_used_portions): Use it.
361 * tree-ssa-structalias.c (get_constraint_for_component_ref):
363 * tree-ssa-operands.c (get_expr_operands): Likewise.
365 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
367 * combine.c: Remove force_to_mode's fourth parameter.
368 (force_to_mode): Do not handle REG.
369 (canon_reg_for_combine): New.
370 (make_field_assignment): Use it where the removed argument was non-NULL.
372 2005-12-15 Alan Modra <amodra@bigpond.net.au>
375 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
376 error_mark_node. Make alignment params unsigned.
377 * config/rs6000/rs6000-protos.h
378 (rs6000_special_round_type_align): Update prototype.
379 (rs6000_machopic_legitimize_pic_address): Remove arg names.
381 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
383 PR rtl-optimization/25310
384 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
385 of the eliminable register when substituting into a PLUS.
387 2005-12-14 Jakub Jelinek <jakub@redhat.com>
390 * config/i386/i386.c (ix86_force_to_memory): Always use
391 SImode push for HImode in -m32.
392 (ix86_free_from_memory): Likewise.
394 2005-12-14 Richard Sandiford <richard@codesourcery.com>
396 * gcc/config/arm/arm.md: Provide a big-endian version of the
397 (zero_extend:SI (subreg:QI ...)) splitter.
399 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
401 * struct-equiv.c (note_local_live): Handle hard regs with different
404 2005-12-14 Jeff Law <law@redhat.com>
406 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
407 to a structure containing state rather than a pointer to bool.
408 (case ARRAY_REF): New code to handle folding some array references.
409 (case ADDR_EXPR): Note when we are processing expressions found
410 within an ADDRE_EXPR.
411 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
412 for state variables rather than just a pointer to a boolean.
413 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
414 handling of constant string references.
416 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
418 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
419 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
420 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
421 Move other tst* patterns to retain partial order.
423 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
425 * config/s390/s390.md ("d0", "1"): New mode attributes.
426 ("<shift>di3", "<shift>si3"): Merge.
427 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
428 ("ashrdi3", "ashrsi3"): Merge.
429 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
430 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
431 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
432 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
433 ("*ashrdi3", "*ashrsi3"): Merge.
434 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
436 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
438 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
439 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
440 ("*extendqidi2", "*extendqisi2") Merge.
441 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
442 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
443 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
444 Move some patterns to retain partial ordering.
446 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
448 * config/s390/s390.md ("atype", "length"): Rewrite.
449 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
451 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
453 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
455 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
457 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
458 PARALLELs with a mode.
460 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
462 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
465 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
467 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
469 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
473 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
476 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
478 2005-12-14 Jakub Jelinek <jakub@redhat.com>
482 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
483 DECL_P, call get_section rather than get_named_section. Supply
486 2005-12-14 Ben Elliston <bje@au.ibm.com>
488 * c-common.c (c_common_truthvalue_conversion): Generalise warning
489 for addresses converted to booleans; not just function addresses.
490 * c-typeck.c (build_binary_op): Warn for address comparisons which
491 can never be NULL (eg. func == NULL or &var == NULL).
492 * common.opt (Walways-true): New option.
493 * c-opts.c (c_common_handle_option): Set it with -Wall.
494 * doc/invoke.texi: Document it.
496 2005-12-13 Paul Brook <paul@codesourcery.com>
498 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
499 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
501 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
503 * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
504 * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
506 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
507 (EXTRA_MULTILIB_PARTS): Define.
509 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
511 PR rtl-optimization/20070 / part1
512 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
513 count_or_remove_death_notes with kill == -1.
514 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
515 registers if PROP_POST_REGSTACK is set.
516 (mark_used_reg): Likewise.
517 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
518 REG_UNUSED notes for stack regs.
519 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
520 to match rtx_equiv_p machinery. Change caller.
521 (outgoing_edges_match): Likewise.
522 (try_crossjump_to_edge): Use struct_equiv_block_eq
523 instead of flow_find_cross_jump.
524 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
525 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
526 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
527 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
528 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
529 (insns_match_p): Update prototype.
530 (flow_find_cross_jump): Remove prototype.
531 (struct_equiv_block_eq, struct_equiv_init): Declare.
532 (rtx_equiv_p, condjump_equiv_p): Likewise.
533 * struct-equiv.c: Include reload.h.
534 (IMPOSSIBLE_MOVE_FACTOR): Define.
535 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
536 (struct_equiv_improve_checkpoint): Likewise.
537 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
538 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
539 (struct_equiv_merge, find_dying_input): Likewise.
540 (resolve_input_conflict, note_local_live): Likewise.
541 (death_notes_match_p): Change parameters and processing
542 to match rtx_equiv_p machinery. Change caller.
543 (insns_match_p): Likewise.
544 (flow_find_cross_jump): Replace with:
545 (struct_equiv_block_eq).
547 Back out this change:
548 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
549 * recog.c (verify_changes): Make it static.
550 * recog.h: Remove the corresponding prototype.
552 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
554 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
557 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
559 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
560 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
561 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
562 TARGET_MS1_64_001 appropriately.
563 (ms1_machine_reorg): Use TARGET_MS2.
565 2005-12-13 Jakub Jelinek <jakub@redhat.com>
569 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
570 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
571 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
572 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
573 Set mode to SI, adjust constraints.
574 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
575 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
578 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
580 * c-cppbuiltin.c (builtin_define_float_constants): Add
581 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
582 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
583 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
584 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
585 to "((double)%sL)" otherwise "%s".
587 2005-12-13 Paul Brook <paul@codesourcery.com>
589 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
592 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
594 * tree-flow.h: Allow compilation with a C++ compiler.
595 (struct edge_prediction): Prefix all field names with "ep_".
596 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
597 (tree_predict_edge, combine_predictions_for_bb): Likewise.
598 (remove_predictions_associated_with_edge): Likewise.
600 2005-12-12 Jeff Law <law@redhat.com>
602 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
604 * passes.c (init_optimization_passes): Run reassociation again
605 after loop optimizations.
607 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
609 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
611 (optimize_stmt): Ditto.
612 (canonicalize_comparison): New function.
613 * tree-ssa-operands.c (swap_tree_operands): Make external.
614 (get_expr_operands): Stop auto-canonicalization.
615 * tree-ssa-reassoc.c: Rewrite.
616 (init_optimization_passes):
617 * tree-flow.h (swap_tree_operands): Prototype.
618 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
620 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
622 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
623 indicate function epilogue has been output.
624 (pa_asm_output_mi_thunk): Likewise.
625 (output_deferred_plabels): Put plabels in readonly data section when
626 not generating PIC code.
627 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
628 information. Add assert.
629 (som_output_comdat_data_section_asm_op): New function.
630 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
631 instead of output_section_asm_op for COMDAT sections.
633 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
635 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
636 Fix whitespace in vincinity of to-be-installed changes.
637 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
638 (insns_match_p): Likewise.
640 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
642 * config.gcc (ms1): Replace with ...
644 * config/ms1: Rename to ...
645 * config/mt: ... here. Rename ms1 files to mt.
646 * config/mt/mt.c: Adjust gt-mt.h #include.
647 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
648 (crti.o, crtn.o): Adjust file names.
650 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
652 * varray.h: Allow compilation with a C++ compiler.
653 (union varray_data_tag): Prefix all field names with "vdt_".
654 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
655 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
656 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
657 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
658 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
659 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
660 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
661 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
662 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
663 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
664 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
665 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
666 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
667 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
668 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
669 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
670 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
671 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
672 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
673 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
674 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
675 VARRAY_TOP_TREE_PTR): Likewise.
676 * varray.c (varray_grow): Likewise.
677 (varray_clear): Likewise.
679 2005-12-12 Alan Modra <amodra@bigpond.net.au>
682 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
683 alignment to doubleword if the first field is a double array.
684 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
686 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
688 * tree-ssa-structalias.c (process_constraint): Remove code to
689 transform addressofs into scalar.
690 (create_variable_info_for): In whole-program IPA, globals don't
691 point to ANYTHING by default.
693 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
695 * timevar.def (TV_IPA_PTA): New.
696 * tree-pass.h (pass_ipa_pta): New
697 * tree-ssa-structalias.c: Include cgraph.h
699 (predbitmap_obstack): New.
700 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
701 (struct constraint_stats): Add num_edges.
702 (new_var_info): Don't call bitmap_clear.
703 (struct constraint_edge): Update docs.
704 (new_constraint_edge): Remove src param.
705 (struct constraint_graph): Add zero_weight_succs,
706 zero_weight_preds. Update docs.
707 (constraint_expr_equal): Reformat.
708 (constraint_edge_equal): Update for removal of src.
709 (constraint_edge_less): Ditto.
710 (constraint_edge_vec_find): Ditto.
711 (erase_graph_self_edge): Update for removal of src and and zero
713 (clear_edges_for_node): Ditto.
714 (add_graph_edge): Ditto.
715 (get_graph_weights): Ditto.
716 (allocate_graph_weights): Ditto.
717 (merge_graph_nodes): Ditto.
718 (int_add_graph_edge): Ditto.
719 (valid_graph_edge): Ditto.
720 (valid_weighted_graph_edge): Ditto.
721 (build_constraint_graph): Ditto.
723 (collapse_nodes): Ditto.
724 (process_unification_queue): Ditto.
726 (solve_graph): Ditto.
727 (do_structure_copy): Ditto.
728 (perform_var_substitution): Ditto.
729 Init and release obstack.
730 (handle_ptr_arith): Try to resolve directly.
731 (find_func_aliases): Don't call update_alias_info here
732 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
733 (do_sd_constraint): Add code for propagating faster.
735 (do_ds_constraint): Ditto.
736 (count_num_arguments): New function.
737 (create_function_info_for): Ditto.
738 (create_variable_info_for): Handle FUNCTION_DECL.
739 (intra_create_variable_infos): Use make_constraint_to_anything.
740 (init_alias_vars): Init obstacks here.
741 (need_to_solve): Handle zero weight graph changes.
742 (compute_points_to_sets): Call update_alias_info here.
743 (delete_points_to_sets): Free zero weight preds/succs here.
745 (ipa_pta_execute): New
747 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
749 * tree-ssa-structalias.c (var_anyoffset): Removed.
750 (anyoffset_tree): Ditto.
751 (anyoffset_id): Ditto.
752 (do_deref): Take vector of constraints, no return value.
753 Update to work on vector.
754 (get_constraint_for): Ditto.
755 (get_constraint_for_component_ref): Ditto.
756 (do_structure_copy): Ditto.
757 (handle_ptr_arith): Ditto.
758 (find_func_aliases): Ditto.
759 (set_uids_in_ptset): Remove anyoffset handling.
760 (init_base_vars): Ditto.
762 2005-12-10 Mark Mitchell <mark@codesourcery.com>
765 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
766 DECL_EXTERNAL functions have no bodies. Tidy.
768 2005-12-10 Andreas Schwab <schwab@suse.de>
770 * except.c (switch_to_exception_section): Only define if
771 TARGET_UNWIND_INFO is not defined.
773 2005-12-10 Richard Sandiford <richard@codesourcery.com>
775 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
776 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
778 2005-12-10 Richard Sandiford <richard@codesourcery.com>
780 * output.h (init_section, fini_section): Delete.
781 * varasm.c (init_section, fini_section): Delete.
782 (init_varasm_once): Don't initialize them.
783 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
784 there are no corresponding varasm.c variables.
786 2005-12-10 Richard Sandiford <richard@codesourcery.com>
788 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
789 of EH_FRAME_SECTION_NAME into...
790 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
792 * except.c (default_exception_section): Delete, moving most
794 (switch_to_exception_section): ...this new function. Set
795 exception_section if it is still null, then switch to it.
796 (output_function_exception_table): Use switch_to_exception_section.
797 * varasm.c (exception_section, eh_frame_section): Update comments.
798 (get_section): Hoist use of SECTION_NAMED.
799 (init_varasm_once): Don't set exception_section and eh_frame_section.
800 * output.h (default_exception_section): Delete.
801 (default_eh_frame_section): Delete.
803 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
805 * config/bfin/bfin.c: Include "cgraph.h".
806 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
807 Return the reg that holds the pointer to the GOT.
808 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
809 doing stack checking.
811 2005-12-09 Diego Novillo <dnovillo@redhat.com>
813 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
814 recompute_tree_invarant_for_addr_expr.
815 Update uses everywhere.
817 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
819 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
820 (MULTILIB_DIRNAMES): Define.
822 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
825 * config/s390/s390.c (struct s390_address): New field literal_pool.
826 (s390_decompose_address): Compute literal_pool field. Do not
827 assume register %r13 is always (and solely) used as pool base.
828 (s390_extra_constraint_str): Use literal_pool field.
830 2005-12-09 Thiemo Seufer <ths@networkno.de>
832 * config/mips/mips.c (override_options): Don't allow too small
833 integers in FP registers.
835 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
837 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
838 targetm.binds_local_p to check for local function calls.
840 2005-12-09 Alan Modra <amodra@bigpond.net.au>
843 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
844 call_used_regs can't be used to save reg in another reg.
846 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
847 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
849 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
851 * except.c (output_ttype): Likewise.
852 * tree-object-size.c (collect_object_sizes_for): Likewise.
853 (check_for_plus_in_loops_1): Likewise.
854 (check_for_plus_in_loops): Likewise.
855 (compute_object_sizes): Use gcc_unreachable instead of abort.
857 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
859 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
860 (loop_end, loop_init, doloop_end): New insns.
861 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
862 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
863 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
864 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
865 * config/ms1/ms1.c: #include basic-block.h
866 (struct machine_function): Add has_loops field.
868 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
869 (struct loop_info, struct loop_work): New.
870 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
871 (ms1_reorg_loops): New loop optimization.
872 (ms1_machine_reorg): Call it.
873 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
875 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
877 PR tree-optimization/25248
878 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
879 evolution_of_loop from the failed attempt. Remove handling
882 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
884 * tree.h (DECL_EXTERNAL): Clarify documentation.
886 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
887 Jakub Jelinek <jakub@redhat.com>
890 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
891 argument. Don't drop outer ANDs.
892 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
893 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
895 * config/s390/predicates.md (setmem_operand): Remove.
896 (shift_count_operand): Rename to...
897 (shift_count_or_setmem_operand): ... this. Adjust
898 s390_decompose_shift_count caller.
899 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
900 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
901 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
902 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
903 rotl<mode>3_and, setmem_long_and): New insns.
904 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
905 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
906 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
907 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
908 of shift_count_operand.
909 (setmem_long): Use shift_count_or_setmem_operand instead of
912 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
913 Andreas Tobler <a.tobler@schweiz.ch>
915 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
918 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
920 * expr.c (force_operand): Use convert_to_mode for conversions.
922 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
924 * reload.h (reg_equiv_invariant): Declare.
925 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
926 register also when reg_equiv_invariant[R] is set.
928 2005-12-07 Richard Sandiford <richard@codesourcery.com>
929 Andreas Tobler <a.tobler@schweiz.ch>
931 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
933 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
935 * tree-ssa-pre.c (bitmap_set_and): New function.
936 (bitmap_set_and_compl): New function.
937 (bitmap_set_empty_p): New function.
938 (insert_extra_phis): New function.
939 (compute_avail): Use insert_extra_phis.
941 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
943 * config/s390/s390.c (s390_expand_atomic): New function.
944 Adjust comment of helper functions.
945 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
946 * config/s390/s390.md ("ATOMIC"): New code macro.
947 ("atomic"): Corresponding new code attribute.
948 ("sync_lock_test_and_set[hq]i",
949 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
951 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
953 * config/s390/s390.c (s390_expand_mask_and_shift,
954 struct alignment_context, init_alignment_context,
955 s390_expand_cs_hqi): New.
956 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
957 * config/s390/s390.md ("sync_compare_and_swaphi",
958 "sync_compare_and_swapqi"): New pattern.
960 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
962 Fix PR tree-optimization/25291
963 * tree-ssa-operands.c (add_call_clobber_ops): Remove
964 redundant and crashing check.
966 2005-12-08 Alan Modra <amodra@bigpond.net.au>
969 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
970 tests further when !strict && reload_in_progress.
971 (print_operand): Check that both operands of indexed address are regs.
972 (print_operand_address): Likewise.
973 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
974 (INT_REG_OK_FOR_BASE_P): Correct.
976 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
978 Preparation for PR rtl-optimization/20070 / part1
979 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
980 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
981 outgoing_edges_match.
982 (outgoing_edges_match): Use condjump_equiv_p.
983 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
985 * struct-equiv.c: New file.
986 (death_notes_match_p) New function, broken out of insns_match_p.
987 * Makefile.in (OBJS-common): Add struct-equiv.o.
988 (struct-equiv.o): New target.
990 2005-12-07 Richard Sandiford <richard@codesourcery.com>
992 * coretypes.h: Revert previous change.
993 * config/darwin.h: Revert previous reversion.
994 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
996 2005-12-07 Richard Sandiford <richard@codesourcery.com>
998 * coretypes.h (section): Provide dummy definition for target files.
999 * config/darwin.h: Revert previous change.
1001 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1003 * doc/sourcebuild.texi (all.build, install-normal): Remove.
1004 * configure.ac: Remove all.build and install-normal from target_list
1005 * configure: Regenerate.
1006 * Makefile.in (install): Don't depend on install-normal.
1008 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1010 * Makefile.in: Document the use of stamps.
1012 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1014 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1015 * Makefile.in: Add code to compute some dependencies on s-gtype
1016 automatically. Remove the declaration of those dependencies.
1018 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1020 * gcc/reload.c (push_secondary_reload): Fix typo:
1021 s/insn_constraint/scratch_constraint/.
1023 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1025 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1027 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1029 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1030 (alpha_elf_select_rtx_section): Return the selected section rather
1031 than emitting assembly code.
1032 (alpha_write_linkage): Emit a ".link" directive directly and then
1033 set in_section to NULL.
1034 (vms_asm_out_constructor): Use switch_to_section.
1035 (vms_asm_out_destructor): Likewise.
1036 (unicosmk_output_common): Set in_section to NULL instead of calling
1037 the dummy common_section function.
1038 (unicosmk_text_section): Delete in favor of...
1039 (unicosmk_output_text_section_asm_op): ...this new function.
1040 (unicosmk_data_section): Delete in favor of...
1041 (unicosmk_output_data_section_asm_op): ...this new function.
1042 (unicosmk_init_sections): New function.
1043 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1044 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1045 the dummy ssib_section function.
1046 (unicosmk_section_buf): Delete.
1047 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1048 (unicosmk_data_section): Delete.
1049 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1050 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1051 (SECTION_FUNCTION_TEMPLATE): Delete.
1052 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1053 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1054 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1055 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1056 (TARGET_ASM_INIT_SECTIONS): Define.
1057 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1058 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1059 (link_section, literals_section): Delete.
1060 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1061 set in_section to NULL.
1063 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1064 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1065 (COMMON_SECTION): Delete.
1066 (TARGET_ASM_INIT_SECTIONS): Define.
1067 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1068 the dummy common_section function.
1069 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1070 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1071 between readonly_data_section and text_section to check whether
1072 read-only data is being put in the text section.
1073 (arm_output_function_epilogue): Use switch_to_section.
1074 (arm_elf_asm_constructor): Likewise.
1075 (thumb_call_via_reg): Replace call to in_text_section with
1076 a comparison between in_section and text_section.
1077 (arm_file_end): Use switch_to_section.
1078 (aof_text_section): Delete in favor of...
1079 (aof_output_text_section_asm_op): ...this new function.
1080 (aof_data_section): Delete in favor of...
1081 (aof_output_data_section_asm_op): ...this new function.
1082 (aof_asm_init_sections): New function.
1083 (zero_init_section): Moved from config/arm/aof.h.
1084 (aof_dump_imports, aof_file_start): Use switch_to_section.
1085 * config/arm/arm.h (thumb_call_via_label): Update comment.
1086 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1087 (common_section): Delete.
1088 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1089 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1090 global switch_to_section function instead of the old port-local one.
1091 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1092 (SWITCH_TO_SECTION_FUNCTION): Delete.
1093 (drectve_section): Redefine as a macro.
1094 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1095 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1098 * config/avr/avr.c (progmem_section): New variable.
1099 (avr_output_progmem_section_asm_op): New function.
1100 (avr_asm_init_sections): New function.
1101 (avr_output_addr_vec_elt): Use switch_to_section.
1102 * config/avr/avr.h (progmem_section): Declare.
1103 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1104 (READONLY_DATA_SECTION): Delete.
1105 (TARGET_ASM_INIT_SECTIONS): Define.
1106 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1107 * config/avr/avr-protos.h (progmem_section): Delete.
1109 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1111 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1112 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1114 * config/darwin-sections.def: New file.
1115 * config/darwin.c: Define all sections in darwin-sections.def.
1116 (output_objc_section_asm_op, darwin_init_sections): New functions.
1117 (machopic_output_indirection): Use switch_to_section.
1118 (machopic_select_section): Return the selected section rather than
1119 emitting assembly code. Replace the static function table with
1120 inline conditional expressions. Update the tests of last_text_section
1121 and move them into the FUNCTION_DECL block.
1122 (machopic_select_rtx_section): Return the selected section rather than
1123 emitting assembly code.
1124 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1125 (darwin_file_end): Use switch_to_section.
1126 * config/darwin.h: Use darwin-sections.def to declare sections.
1127 (INIT_SECTION_ASM_OP): Remove empty definition.
1128 (HAS_INIT_SECTION): Define this instead.
1129 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1130 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1131 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1132 (TARGET_ASM_INIT_SECTIONS): Define.
1133 * config/darwin-protos.h (darwin_init_sections): Declare.
1134 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1135 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1136 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1137 (constructor_section, destructor_section, mod_init_section): Delete.
1138 (mod_term_section): Delete.
1139 (darwin_exception_section, darwin_eh_frame_section): Delete.
1140 (machopic_select_section): Return a section.
1141 (machopic_select_rtx_section): Likewise.
1142 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1143 (const_section, const_coal_section, const_data_section): Delete.
1144 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1145 (literal4_section, literal8_section, constructor_section): Delete.
1146 (mod_init_section, mod_term_section, destructor_section): Delete.
1147 (objc_class_section, objc_meta_class_section, objc_category_section)
1148 (objc_class_vars_section, objc_instance_vars_section): Delete.
1149 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1150 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1151 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1152 (objc_symbols_section, objc_module_info_section): Delete.
1153 (objc_image_info_section, objc_protocol_section): Delete.
1154 (objc_string_object_section, objc_constant_string_object_section)
1155 (objc_class_names_section, objc_meth_var_names_section): Delete.
1156 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1157 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1158 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1159 (darwin_exception_section, darwin_eh_frame_section): Delete.
1160 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1162 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1163 (frv_asm_out_destructor): Likewise.
1164 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1165 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1166 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1168 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1169 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1170 (data_section): Delete.
1172 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1173 (DRECTVE_SECTION_FUNCTION): Delete.
1174 (drectve_section): Redefine as a macro that sets in_section after
1175 emitting the directive.
1176 (SWITCH_TO_SECTION_FUNCTION): Delete.
1177 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1178 in_text_section with comparison between in_section and text_section.
1179 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1180 rather than emitting assembly code. Use get_named_section.
1181 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1183 (machopic_output_stub): Use switch_to_section.
1184 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1185 (nwld_named_section_asm_out_destructor): Use get_section and
1188 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1189 rather than emitting assembly code.
1190 (ia64_rwreloc_select_section): Likewise.
1191 (ia64_rwreloc_select_rtx_section): Likewise.
1192 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1193 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1195 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1196 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1198 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1199 section rather than emitting assembly code.
1200 (iq2000_select_section): Likewise.
1201 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1202 (sbss_section): Delete.
1204 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1205 and get_named_section.
1206 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1208 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1209 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1210 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1211 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1213 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1214 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1215 global switch_to_section function instead of the old port-local one.
1216 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1217 (SWITCH_SECTION_FUNCTION): Delete.
1218 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1219 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1220 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1221 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1223 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1224 global switch_to_section function instead of the old port-local one.
1225 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1227 * config/mips/mips.c (mips_file_start): Update comment.
1228 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1229 (mips_output_aligned_decl_common): Use switch_to_section.
1230 (mips_select_rtx_section): Return the section rather than emitting
1231 assembly code. Use get_named_section.
1232 (mips_function_rodata_section: Likewise get_section.
1233 (build_mips16_function_stub): Use switch_to_section.
1234 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1235 (SDATA_SECTION_ASM_OP): Delete.
1236 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1237 (EXTRA_SECTION_FUNCTIONS): Delete.
1239 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1240 (mmix_asm_output_aligned_local): Use switch_to_section.
1242 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1243 (som_one_only_readonly_data_section): New variables.
1244 (pa_output_function_epilogue): Set in_section to NULL instead of
1245 calling forget_section.
1246 (output_deferred_plabels): Use select_section.
1247 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1248 of calling forget_section.
1249 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1250 (pa_asm_output_aligned_local): Use select_section.
1251 (som_text_section_asm_op): Delete in favor of...
1252 (som_output_text_section_asm_op): ...this new function.
1253 (pa_som_asm_init_sections): New function.
1254 (pa_select_section): Return the section rather than emitting
1256 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1257 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1258 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1259 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1260 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1261 (som_readonly_data_section, som_one_only_readonly_data_section)
1262 (som_one_only_data_section, forget_section): Delete.
1263 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1264 (TARGET_ASM_INIT_SECTIONS): Define.
1265 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1267 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1268 (private_data_section, read_only_private_data_section): New variables.
1269 (sdata2_section, toc_section): New variables.
1270 (rs6000_file_start): Use switch_to_section.
1271 (rs6000_assemble_integer): Use comparisons against in_section
1272 instead of calling in_toc_section and in_text_section. Use
1273 unlikely_text_section_p.
1274 (rs6000_elf_output_toc_section_asm_op): New function, derived
1275 from the old rs6000/sysv4.h toc_section function.
1276 (rs6000_elf_asm_init_sections): New function.
1277 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1278 the section rather than emitting assembly code.
1279 (machopic_output_stub): Use switch_to_section.
1280 (toc_section): Delete dummy function.
1281 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1282 switch_to_section and get_section.
1283 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1284 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1285 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1286 the old rs6000/xcoff.h toc_section function.
1287 (rs6000_xcoff_asm_init_sections): New function.
1288 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1289 the section rather than emitting assembly code.
1290 (rs6000_xcoff_file_start): Use switch_to_section.
1291 (rs6000_xcoff_file_end): Likewise.
1292 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1293 (sdata2_section, sbss_section, private_data_section): Delete.
1294 (read_only_data_section, read_only_private_data_section): Delete.
1295 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1296 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1297 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1298 (FINI_SECTION_FUNCTION): Delete.
1299 (TARGET_ASM_INIT_SECTIONS): Define.
1300 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1301 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1302 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1303 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1304 (READONLY_DATA_SECTION): Delete.
1305 (TARGET_ASM_INIT_SECTIONS): Define.
1306 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1307 to NULL rather than no_section.
1308 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1310 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1312 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1313 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1314 from call to current_function_section.
1316 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1317 (bss100_section): New variable.
1318 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1319 (xstormy16_asm_init_sections): New function.
1320 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1321 switch_to_section and get_section.
1322 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1323 from calls to current_function_section.
1324 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1325 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1326 (TARGET_ASM_INIT_SECTIONS): Define.
1327 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1329 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1330 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1331 (FINI_SECTION_FUNCTION): Delete.
1333 * config/v850/v850.c: Include gt-v850.h.
1334 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1335 (zbss_section): New variables.
1336 (v850_output_aligned_bss): Use switch_to_section.
1337 (v850_asm_init_sections): New function.
1338 (v850_select_section): Return the section rather than emitting
1340 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1341 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1342 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1343 (TARGET_ASM_INIT_SECTIONS): Define.
1344 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1345 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1346 (zbss_section): Delete.
1348 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1350 * config/vx-common.h (vxworks_exception_section): Delete.
1351 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1353 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1354 section rather than emitting assembly code.
1355 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1358 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1359 * coretypes.h (section): New union and typedef.
1360 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1361 from call to current_function_section.
1362 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1363 (dbxout_symbol_location): Use switch_to_section.
1364 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1365 most of the code into...
1366 (default_eh_frame_section): ...here. Return a section.
1367 (collect2_eh_frame_section): Delete, moving most of the code into..
1368 (switch_to_eh_frame_section): ...this new function.
1369 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1370 (debug_macinfo_section, debug_line_section, debug_loc_section)
1371 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1373 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1374 eh_frame_section. Use switch_to_section and get_section.
1375 (dwarf2out_begin_prologue): Use switch_to_section.
1376 (AT_string_form): Check the flags in debug_str_section instead of
1377 DEBUG_STR_SECTION_FLAGS.
1378 (output_comp_unit): Use switch_to_section, get_section, and
1380 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1381 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1382 from call to current_function_section.
1383 (dwarf2out_var_location): Use unlikely_text_section_p.
1384 (dwarf2out_source_line): Use switch_to_section. Remove argument
1385 from call to current_function_section.
1386 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1387 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1388 debug_macinfo_section.
1389 (dwarf2out_init): Initialize the new section variables. Use them
1390 instead of calls to named_section_flags. Use switch_to_section.
1391 (output_indirect_string): Use switch_to_section and debug_str_section.
1392 (dwarf2out_finish): Use switch_to_section and the new section
1394 * except.c (default_exception_section): Return the section instead
1395 of emitting assembly code.
1396 (output_function_exception_table): Use the global exception_section
1397 variable instead of the target hook. Use switch_to_section. Remove
1398 argument from call to current_function_section.
1399 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1400 (shorten_branches): Use pointer comparisons to detect whether the
1401 text section is the same as readonly_data_section.
1402 (profile_function): Use switch_to_section. Remove argument from
1403 call to current_function_section.
1404 (final_scan_insn): Likewise. Update use of last_text_section.
1405 * gengtype.c (open_base_files): Add an include of output.h.
1406 * output.h (text_section, data_section, readonly_data_section)
1407 (ctors_section, dtors_section, bss_section, init_section)
1408 (fini_section, sdata_section): Turn into section pointers.
1409 (in_text_section, in_unlikely_text_section, exports_section)
1410 (drectve_section, named_section, mergeable_string_section)
1411 (last_text_section_name): Delete.
1412 (default_exception_section, default_eh_frame_section): Return sections.
1413 (SECTION_DECLARED, SECTION_NAMED): New macros.
1414 (SECTION_MACH_DEP): Bump value.
1415 (section_common, named_section, unnamed_section): New structures.
1416 (unnamed_section_callback): New typedef.
1417 (section): New union.
1418 (sbss_section, exception_section, eh_frame_section): New variables.
1419 (in_section, last_text_section): Turn into section pointers.
1420 (get_unnamed_section, get_section, get_named_section): New functions.
1421 (mergeable_constant_section, function_section): Return a section.
1422 (unlikely_text_section): Likewise.
1423 (current_function_section): Likewise. Remove the decl argument.
1424 (unlikely_text_section_p, switch_to_section): New functions.
1425 (output_section_asm_op): New function.
1426 (set_named_section_flags, named_section_flags, named_section_real)
1427 (named_section_first_declaration): Delete.
1428 (default_select_section, default_elf_select_section): Return a section.
1429 (default_elf_select_section_1, default_function_rodata_section)
1430 (default_no_function_rodata_section, default_select_rtx_section)
1431 (default_elf_select_rtx_section): Likewise.
1432 * rtl.h (in_data_section): Delete.
1433 * sdbout.c (sdbout_one_type): Use switch_to_section.
1434 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1435 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1436 (TARGET_ASM_EH_FRAME_SECTION): Poison.
1437 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1438 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1439 (TARGET_ASM_OUT): Update after above changes.
1440 * target.h (init_sections): New hook.
1441 (exception_section, eh_frame_section): Delete.
1442 (select_section, select_rtx_section, function_rodata_section): Return
1443 a section rather than emitting assembly code.
1444 * varasm.c (text_section, data_section, readonly_data_section)
1445 (ctors_section, dtors_section, bss_section, init_section)
1446 (fini_section): Turn into section pointers.
1447 (sdata_section, sbss_section, exception_section): New variables.
1448 (eh_frame_section): New variable.
1449 (in_section): Make global and turn into a section pointer.
1450 (last_text_section): Turn into a section pointer.
1451 (unnamed_sections): New variable.
1452 (in_named_name, last_text_section_name): Delete.
1453 (EXTRA_SECTION_FUNCTIONS): Delete.
1454 (in_named_entry): Delete.
1455 (section_htab): New variable, replacing...
1456 (in_named_htab): ...this deleted variable.
1457 (section_entry_eq, section_entry_hash): New functions, based on...
1458 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1459 (get_unnamed_section, get_section): New functions.
1460 (unlikely_text_section): Return a section instead of emitting
1462 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1463 (get_named_section_flags, named_section_first_declaration): Delete.
1464 (unlikely_text_section_p): New function.
1465 (named_section_real, named_section): Delete.
1466 (get_named_section): New function.
1467 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1468 (function_section): Return a section rather than emitting
1470 (current_function_section): Likewise. Remove argument. Use
1471 last_text_section if nonnull, otherwise use function_section.
1472 (default_function_rodata_section): Return a section rather than
1473 emitting assembly code. Use get_section.
1474 (default_no_function_rodata_section): Return a section rather than
1475 emitting assembly code.
1476 (variable_section): Use switch_to_section and get_named_section.
1477 (mergeable_string_section): Return a section rather than emitting
1478 assembly code. Use get_section. Make static. Don't take special
1479 countermeasures for empty strings.
1480 (mergeable_constant_section): Return a section rather than emitting
1481 assembly code. Use get_section.
1482 (default_named_section_asm_out_destructor): Use switch_to_section
1484 (default_dtor_section_asm_out_destructor): Use switch_to_section.
1485 (default_named_section_asm_out_constructor): Use switch_to_section
1487 (default_ctor_section_asm_out_constructor): Use switch_to_section.
1488 (assemble_start_function): Likewise. Set last_text_section to
1489 NULL rather than no_section. Change the type of save_section.
1490 (assemble_zeros, assemble_variable): Use the section flags to detect
1491 whether or not a section is text.
1492 (assemble_static_space): Use switch_to_section.
1493 (assemble_trampoline_template): Likewise.
1494 (output_constant_def_contents): Use switch_to_section and
1496 (output_constant_pool_1): Use switch_to_section. Use the section
1497 flags to see whether sections contain mergeable data.
1498 (init_varasm_once): Initialize section_htab instead of in_named_htab.
1499 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
1500 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1501 whether a section has already been declared.
1502 (default_select_section, default_elf_select_section): Return a
1503 section rather than emitting assembly code.
1504 (default_elf_select_section_1): Likewise. Use bss_section for
1505 SECCAT_BSS if nonnull. Use get_named_section.
1506 (default_select_rtx_section): Return a section rather than
1507 emitting assembly code.
1508 (default_elf_select_rtx_section): Likewise. Use get_named_section.
1509 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1510 (output_section_asm_op, switch_to_section): New functions.
1511 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1514 * doc/tm.texi: Expand the introduction to the sections documentation.
1515 (TRAMPOLINE_SECTION): Document new interface.
1516 (SDATA_SECTION_ASM_OP): Document new macro.
1517 (READONLY_DATA_SECTION): Delete.
1518 (SDATA_SECTION_ASM_OP): Document new macro.
1519 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1520 (TARGET_ASM_INIT_SECTIONS): Document new hook.
1521 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1522 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1523 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1525 2005-12-07 Alan Modra <amodra@bigpond.net.au>
1527 * gcc.c (init_gcc_specs): Match braces inside conditionally
1530 2005-12-06 Geoffrey Keating <geoffk@apple.com>
1532 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1534 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
1537 * tree.c (integer_all_onesp): Always return true if all bits on.
1539 * testsuite/g++.dg/init/array0.C: New.
1541 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
1543 * doc/md.texi: Adapt to implementation.
1545 2005-12-06 Andreas Schwab <schwab@suse.de>
1547 * opts.c (decode_options): Fix typo in message.
1549 2005-12-06 Alan Modra <amodra@bigpond.net.au>
1552 * longlong.h: Merge PPC tests from upstream.
1554 2005-12-06 Richard Guenther <rguenther@suse.de>
1556 * fold-const.c (fold_convert): Do not build and fold
1557 CONVERT_EXPR, but always use NOP_EXPR.
1559 2005-12-06 Jan Beulich <jbeulich@novell.com>
1561 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1562 __builtin_ia32_paddq and __builtin_ia32_subq.
1563 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1564 __builtin_ia32_pshufw.
1565 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1567 2005-12-05 James E Wilson <wilson@specifix.com>
1570 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1573 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
1575 * print-tree.c (print_node): Ditto.
1576 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1577 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1578 before accessing DECL_ARTIFICIAL.
1579 Handle new tag tree codes.
1580 * tree-flow-inline.h (clear_call_clobbered): Update for tag
1582 (unmodifiable_var_p): Ditto.
1583 * tree-flow.h (mem_tag_kind): Remove.
1584 (struct var_ann_d): Remove mem_tag_kind member.
1585 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1586 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1587 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1588 (group_aliases): Ditto.
1589 (setup_pointers_and_addressables): Ditto.
1590 (is_escape_site): Ditto.
1591 (may_alias_p): Ditto.
1592 (create_tag_raw): New function.
1593 (create_memory_tag): Use it.
1594 (dump_alias_info): Update for tags.
1595 (may_be_aliased): Ditto.
1596 (add_type_alias): Ditto.
1597 (new_type_alias): Ditto.
1598 (create_sft): Ditto.
1599 (create_structure_vars): Ditto.
1600 * tree-ssa-ccp.c (get_default_value): Ditto.
1601 * tree-ssa-operands.c (get_expr_operands): Ditto.
1602 (add_stmt_operand): Ditto.
1603 (add_call_clobber_ops): Remove duplicated condition.
1604 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1606 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1607 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1608 * tree.c (init_ttree): Update structures for new tree codes.
1609 (tree_code_size): Update sizes for new tree codes.
1610 (make_node_stat): Don't try to set common things on minimal
1612 (tree_node_structure): Update for tags.
1613 (is_global_var): Ditto.
1614 * tree.def: Add new tree codes.
1615 * tree.h (MTAG_P): New macro.
1616 (TREE_MEMORY_TAG_CHECK): Ditto.
1617 (SSA_VAR_P): Update for tags.
1618 (struct tree_memory_tag): New structure.
1619 (MTAG_GLOBAL): New macro.
1620 (union tree_node): Add memory tag member.
1621 * treestruct.def (TS_MEMORY_TAG): New.
1623 2005-12-05 Dale Johannesen <dalej@apple.com>
1625 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
1626 what was approved (PR 24323).
1628 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
1630 * doc/c-tree.texi (Function Bodies): Remove description of
1633 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
1635 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1636 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1637 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1638 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1639 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1640 __divxc3): Document.
1642 2005-12-05 Geoffrey Keating <geoffk@apple.com>
1644 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1646 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1647 hook_bool_void_false.
1648 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1649 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1651 * config/darwin.c (machopic_select_section): It's not defined
1652 as weak if it's only marked as weak_import.
1654 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1657 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1658 A hidden weak object does bind locally. Strong linkonce data
1659 counts like any other strong symbol for binding.
1660 (weak_finish_1): Don't specially handle weakrefs, they no longer
1662 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1663 * c-common.c (handle_alias_attribute): Allow static aliases
1665 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1666 * gthr-dce.h: Make weakrefs static.
1667 * gthr-tpf.h: Likewise.
1668 * gthr-solaris.h: Likewise.
1669 * gthr-posix.h: Likewise.
1670 * gthr-posix95.h: Likewise.
1671 * config/darwin.c (darwin_encode_section_info): static weakref
1672 variables are not necessarily defined in this translation unit.
1673 * doc/extend.texi (Function Attributes): Mention that an alias
1674 attribute creates a definition for the thing it's attached to.
1675 Change the documentation for weakref to say that the thing
1676 it's attached to must be static.
1678 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1679 we don't go into an infinite loop.
1681 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
1683 * config/rs6000/predicates.md (logical_const_operand): Split
1684 out of logical_operand.
1685 (logical_operand): Use it.
1686 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1687 logical_const_operand.
1689 2005-12-05 Jan Beulich <jbeulich@novell.com>
1691 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1692 and IX86_BUILTIN_CMPNESS.
1693 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1694 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1695 * config/i386/i386.md (movti_internal): Correct type attribute.
1696 Simplify mode attribute.
1697 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1698 Correct type attribute.
1699 (absxf2): Correct operator.
1700 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1701 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1702 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1704 (sse2_vmsqrtv2df2): Correct mode attribute.
1706 2005-12-05 Jan Beulich <jbeulich@novell.com>
1708 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1709 16 bits. Provide insn pattern for this case.
1711 2005-12-05 Jan Beulich <jbeulich@novell.com>
1713 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1715 (__popcountDI2): Likewise.
1717 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1720 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1721 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1722 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1725 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1727 * c-typeck.c (null_pointer_constant_p): New function.
1728 (build_conditional_expr, build_c_cast, convert_for_assignment,
1729 build_binary_op): Use it.
1731 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1733 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1734 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1736 (check_function_arguments_recurse): Allow both NOP_EXPR and
1737 CONVERT_EXPR but check conversions preserve precision.
1738 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1739 but check conversions preserve precision.
1740 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
1743 2005-12-04 Roger Sayle <roger@eyesopen.com>
1746 * common.opt (Wstring-literal-comparison): New command line option.
1747 * c-opts.c (c_common_handle_option): Set it with -Wall.
1748 * c-typeck.c (parser_build_binary_op): Issue warning if either
1749 operand of a comparison operator is a string literal, except for
1750 testing equality or inequality against NULL.
1752 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1754 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1756 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1757 of building a NOP_EXPR.
1758 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
1760 * c-convert.c (convert): Use fold_convert instead of building
1761 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
1762 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
1764 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1765 NOP_EXPR the same as CONVERT_EXPR.
1766 * c-typeck.c (build_function_call): Use fold_convert instead of
1767 building a NOP_EXPR directly.
1768 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1770 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1772 PR rtl-optimization/25197
1773 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1776 2005-12-02 Stuart Hastings <stuart@apple.com>
1778 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1781 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1783 * c-typeck.c (default_function_array_conversion,
1784 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1785 (build_conditional_expr): Apply integer_zerop to orig_op1 and
1786 orig_op2. Don't check them for NOP_EXPR.
1787 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1788 around integer zero.
1790 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1792 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1793 toc_save_offset, toc_size, lr_size.
1794 (rs6000_stack_info): Use memset rather than bss struct copy to init.
1795 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1796 Adjust for removal of unused rs6000_stack_t fields.
1797 (debug_stack_info): Adjust.
1798 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
1799 first, and don't bother checking for set/inc of lr on sibcalls.
1800 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1802 2005-12-02 Jakub Jelinek <jakub@redhat.com>
1805 * config/i386/i386.md (movqi_1): Only force imovx for alternative
1806 5 if operand 1 is not aligned. Undo previous constraint change.
1807 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1809 2005-12-02 Richard Guenther <rguenther@suse.de>
1811 * tree.h (build): Remove prototype.
1812 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1813 * tree.c (build): Remove.
1814 (build0_stat): Update comment.
1816 2005-12-02 Richard Guenther <rguenther@suse.de>
1818 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1819 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1821 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1822 maybe_fold_offset_to_component_ref): Likewise.
1823 * tree-ssa-dom.c (thread_across_edge,
1824 simplify_rhs_and_lookup_avail_expr,
1825 find_equivalent_equality_comparison, record_equivalences_from_stmt):
1827 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1828 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1829 lower_try_finally_switch): Likewise.
1830 * tree-if-conv.c (add_to_dst_predicate_list,
1831 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1832 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1833 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1834 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1835 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1836 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1837 gimplify_init_ctor_eval, gimplify_init_constructor,
1838 gimplify_variable_sized_compare, gimplify_boolean_expr,
1839 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1840 gimplify_expr, gimplify_body, gimplify_function_tree,
1841 force_gimple_operand): Likewise.
1842 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1843 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1844 mx_register_decls): Likewise.
1845 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1846 get_frame_field, finalize_nesting_tree_1): Likewise.
1847 * tree-inline.c (setup_one_parameter): Likewise.
1848 * tree-vect-transform.c (vectorizable_condition): Likewise.
1849 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1851 * tree-profile.c (tree_gen_edge_profiler): Likewise.
1852 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1853 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1854 * tree-chrec.h (build_polynomial_chrec): Likewise.
1856 2005-12-02 Richard Guenther <rguenther@suse.de>
1858 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1859 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1860 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1861 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1862 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1863 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1864 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1866 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1867 sh_adjust_unroll_max): Likewise.
1868 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1869 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1870 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1872 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1874 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1877 2005-12-02 Richard Guenther <rguenther@suse.de>
1879 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1880 simplify_cond_using_ranges): Use buildN instead of build.
1881 * tree-tailcall.c (adjust_accumulator_values,
1882 adjust_return_value): Likewise.
1883 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1884 generate_element_copy, generate_element_zero,
1885 generate_one_element_init): Likewise.
1886 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1887 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1888 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1889 perfect_nestify): Likewise.
1891 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1893 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1895 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
1897 * ggc.h (GGC_RESIZEVEC): New.
1899 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1901 * gcc.c (execute): Improve readability.
1903 2005-12-02 Richard Guenther <rguenther@suse.de>
1905 * tree-cfg.c (mark_used_vars): New function.
1906 (dump_function_to_file): Dump only used VAR_DECLs.
1908 2005-12-02 Richard Guenther <rguenther@suse.de>
1910 * convert.c (convert_to_integer): Fix compare for nonpositive
1911 constant to use tree_int_cst_sgn <= 0.
1913 2005-12-02 Richard Guenther <rguenther@suse.de>
1915 * convert.c (convert_to_integer): Use fold_convert instead
1916 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
1917 instead of comparing against 0. Use build_int_cst instead
1918 of converting integer_zero_node.
1920 2005-12-02 Richard Guenther <rguenther@suse.de>
1922 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1925 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1928 * combine.c (simplify_logical <IOR>): Simplify more patterns to
1931 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1934 * function.c (expand_function_end): Emit blockage for unwinder
1937 2005-12-01 Roger Sayle <roger@eyesopen.com>
1939 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1940 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1941 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1942 integer constant comparisons.
1944 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
1945 Janis Johnson <janis187@us.ibm.com>
1946 David Edelsohn <dje@watson.ibm.com>
1947 Ben Elliston <bje@au.ibm.com>
1949 * dfp.h, dfp.c: New files.
1950 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1951 (DECNUM_H): Likewise.
1952 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1953 (INCLUDES): Append $(DECNUMINC).
1954 (OBJS-common): Add dfp.o.
1956 * real.h (EXP_BITS): Pinch one bit to ..
1957 (struct real_value): Add decimal field.
1958 (real_format): Change table size, update documentation.
1959 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1960 (real_from_string3): Declare.
1961 (decimal_single_format): Declare.
1962 (decimal_double_format): Declare.
1963 (decimal_quad_format): Declare.
1964 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1965 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1966 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1967 * real.c: Include dfp.h.
1968 (normalize): Early return for decimal floats.
1969 (do_add): Zero decimal field.
1970 (do_compare): Call do_decimal_compare for decimal floats.
1971 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1972 (real_arithmetic): Call decimal_real_arithmetic for decimal
1973 floating point operands.
1974 (real_identical): If a and b are of differing radix, return false.
1975 (real_to_integer): Call decimal_real_to_integer if the value is a
1977 (real_to_integer2): Likewise, call decimal_real_to_integer2.
1978 (real_to_decimal): Likewise, call decimal_real_to_decimal.
1979 (real_to_hexadecimal): Place "N/A" in the return string for
1981 (real_from_string3): New variant, given a mode.
1982 (real_maxval): Use decimal_real_maxval for decimal floats.
1983 (round_for_format): Use decimal_round_for_format for decimals.
1984 (real_convert): Use decimal_real_convert where appropriate.
1985 (significand_size): Handle base 10.
1986 (encode_decimal_single, decode_decimal_single,
1987 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1988 decode_decimal_quad): New functions.
1989 (decimal_single_format): New.
1990 (decimal_double_format): New.
1991 (decimal_quad_format): New.
1992 * machmode.def: Add SD, DD and TD decimal floating point modes.
1993 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1994 Include MODE_DECIMAL_FLOAT.
1995 (DECIMAL_FLOAT_MODE_P): New.
1996 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1997 * genmodes.c (struct mode_data): Add counter field.
1998 (struct mode_data): Update comment for format.
1999 (blank_mode): Initialise counter field.
2000 (new_mode): Increment counter field for each mode defined.
2001 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2003 (make_complex_modes): Handle modes containing `D'.
2004 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2005 (make_decimal_float_mode): New.
2006 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2007 (cmp_modes): Compare counter field if other characteristics
2009 (emit_real_format_for_mode): Support formats for decimal floats.
2010 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2011 Document MODE_DECIMAL_FLOAT.
2013 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2015 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2018 2005-12-01 Richard Henderson <rth@redhat.com>
2020 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2022 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2024 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2026 * config/pa/pa.c (pa_init_builtins): If we detect
2027 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2030 2005-12-01 Richard Guenther <rguenther@suse.de>
2032 * fold-const.c (fold_binary): Use fold_build2, not
2035 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2037 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2039 * vec.h (VEC_block_remove): New.
2041 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2044 * c-common.c (lvalue_error): Fix wording.
2046 2005-12-01 Richard Guenther <rguenther@suse.de>
2048 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2049 thinko in last patch.
2051 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2053 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2054 than -flat_namespace.
2056 2005-12-01 Ben Elliston <bje@au.ibm.com>
2058 * mklibgcc.in: Parameterise the script to build soft float
2059 functions by iterating over each type, rather than cloning the
2062 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2065 * builtins.c (fold_builtin_fputs): Defer check for missing
2066 replacement functions.
2068 2005-11-30 Kean Johnston <jkj@sco.com>
2070 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2071 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2073 2005-11-30 Richard Guenther <rguenther@suse.de>
2075 PR tree-optimization/22501
2076 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2077 function split out from ...
2078 (forward_propagate_addr_expr): ... here. Use it to propagate
2079 ADDR_EXPRs to all uses.
2081 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2083 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2084 * builtins.c (expand_builtin_mathfn): Use them.
2085 (expand_builtin_mathfn_2): Likewise.
2086 (expand_builtin_mathfn_3): Likewise.
2087 (expand_builtin_int_roundingfn): Likewise.
2088 (expand_builtin): Likewise.
2089 (integer_valued_real_p): Likewise.
2090 (fold_builtin_int_roundingfn): Likewise.
2091 (fold_builtin_bitop): Likewise.
2092 (fold_builtin_logarithm): Likewise.
2093 (fold_builtin_1): Likewise.
2094 * convert.c (convert_to_integer): Likewise.
2095 * fold-const.c (negate_mathfn_p): Likewise.
2096 (tree_expr_nonnegative_p): Likewise.
2098 2005-11-30 Dale Johannesen <dalej@apple.com>
2099 Andrew Pinski <pinskia@physics.uc.edu>
2101 * combine.c (find_split_point): Sign extend bitmask
2102 when changing bitfield assignment to IOR of AND.
2104 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2106 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2107 clobber to scratch reg.
2108 (*decrement_and_branch_until_zero_no_clobber): Remove.
2109 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2110 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2111 * config/ms1/ms1.opt (mmul): Remove.
2112 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2113 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2115 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2116 Bernd Schmidt <bernd.schmidt@analog.com>
2118 * pa/predicates.md (symbolic_operand): Add comment.
2119 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2120 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2121 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2122 (pa_secondary_reload_class): Delete.
2123 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2124 and pa_secondary_reload_class. Reorder some checks. Update inline
2125 copy of symbolic operand.
2126 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2128 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2130 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2133 2005-11-30 Jeff Law <law@redhat.com>
2135 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2136 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2138 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2140 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2141 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2142 (ia64_expand_move): Adjust caller.
2144 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2145 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2148 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2150 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2151 Always produce an output if we can remove NEGs or canonicalize
2152 (minus (minus ...)) expressions. Provide a fast path for the
2154 (simplify_gen_binary): Do not call simplify_plus_minus.
2155 (simplify_binary_operation_1): Reassociate at the end of the
2158 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2160 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2161 moves and unpack to speed up.
2163 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2165 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2166 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2167 (gen_v9_scc): Update callers.
2168 * config/sparc/sparc.md: Likewise.
2169 * config/sparc/sparc-protos.h: Update extern declaration.
2171 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2173 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2175 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2178 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2180 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2181 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2182 (negate_expr): Here.
2184 2005-11-29 Ben Elliston <bje@au.ibm.com>
2186 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2187 Fix typo in comment.
2189 2005-11-29 Ben Elliston <bje@au.ibm.com>
2191 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2192 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2194 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2198 * builtins.c (init_target_chars): New.
2199 (expand_builtin_printf, expand_builtin_fprintf,
2200 expand_builtin_sprintf, fold_builtin_sprintf,
2201 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2202 fold_builtin_snprintf_chk, fold_builtin_printf,
2203 fold_builtin_fprintf): Check for matching format strings using
2206 2005-11-29 Paul Brook <paul@codesourcery.com>
2208 * config.gcc: Do not use fixproto on m68k-elf.
2210 2005-11-28 Roger Sayle <roger@eyesopen.com>
2212 * expmed.c (div_cost): Replace with...
2213 (sdiv_cost, udiv_cost): New.
2214 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2215 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2216 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2217 (expand_divmod): Replace use of div_cost with either sdiv_cost
2218 or udiv_cost depending upon the signedness of the operation.
2220 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2223 * config/darwin.c (machopic_indirection_name,
2224 machopic_output_indirection): Follow transparent alias chain.
2226 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2228 * varasm.c (ultimate_transparent_alias_target): Add comment.
2230 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2232 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2233 SET_SRC instead of XEXP where appropriate.
2235 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2237 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2240 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2242 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2243 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2246 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2248 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2249 secondary_input_reload_class, made static. Adapt to new
2251 (secondary_output_reload_class): Delete.
2252 (TARGET_SECONDARY_RELOAD): New macro.
2253 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2254 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2256 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2259 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2260 when its natural alignment is > BITS_PER_UNIT.
2261 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2262 * c-common.c (handle_packed_attribute): Ignore packing on a field
2263 whose type is naturally char aligned.
2265 2005-11-28 Richard Guenther <rguenther@suse.de>
2267 * c-common.c (strict_aliasing_warning): Handle all
2268 component-ref like accesses.
2270 2005-11-28 Roger Sayle <roger@eyesopen.com>
2271 Uros Bizjak <uros@kss-loka.si>
2274 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2275 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2276 when flag_unsafe_math_optimizations is set and
2277 we don't care about NaNs or Infinities.
2279 Move x/expN(y) and x/pow(y,z) transformation into common
2280 flag_unsafe_math_optimizations section.
2282 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2284 * gcc.c (main): Change type of argv to "char **".
2286 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2288 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2289 small data sections.
2290 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2291 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2292 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2293 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2294 output locals to sbss if !rs6000_elf_in_small_data_p.
2295 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2297 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2300 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2301 generated by reload.
2302 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2303 indexed_or_indirect_address.
2304 (indexed_or_indirect_address): Don't test for base reg. Call
2305 address_operand last. Make it a special predicate.
2307 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2309 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2311 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2314 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2316 (negate_expr): Likewise.
2318 2005-11-27 Andreas Schwab <schwab@suse.de>
2320 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2323 2005-11-27 Steven Bosscher <stevenb@suse.de>
2325 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2326 has EH predecessor edges.
2328 2005-11-26 Eric Christopher <echristo@apple.com>
2330 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2331 register stalls by zero extending to the full register.
2333 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2335 * config/floatunsisf.c, config/floatunsidf.c,
2336 config/floatunsixf.c, config/floatunsitf.c: New files.
2337 * config/ia64/t-hpux: Add floatunsitf.c.
2338 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2339 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2341 2005-11-26 Richard Henderson <rth@redhat.com>
2343 * c-lex.c (pragma_lex): Rename from c_lex.
2344 * c-pch.c: Update for pragma_lex rename.
2345 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2346 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2347 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2348 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2349 * doc/tm.texi: Likewise.
2351 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2354 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2355 when overflow is undefined.
2357 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2359 * doc/md.texi (Insn Canonicalizations): Refer to the
2360 function commutative_operand_precedence for further rules.
2362 2005-11-25 Roger Sayle <roger@eyesopen.com>
2365 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2366 is less than zero. Limit mult_cost to a reasonable upper bound for
2367 the synthetic multiplication sequence.
2369 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2372 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2373 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2374 Lookup the explicit replacement functions for any unlocked
2375 stdio builtin transformations.
2377 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2379 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2381 * targhooks.c (default_secondary_reload): Don't require operand 2
2382 for an input reload to be earlyclobber.
2384 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2386 * fold-const.c (negate_mathfn_p): Fix comment and add support
2387 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2390 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2393 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2394 _Q_ulltoq for unsigned conversions from SImode and DImode to
2397 2005-11-25 Alan Modra <amodra@bigpond.net.au>
2399 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2400 (__floatundidf, __floatundisf): Likewise.
2402 2005-11-25 David Edelsohn <edelsohn@gnu.org>
2404 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2405 (rs6000_override_options): Remove initialization of
2406 rs6000_sr_alias_set.
2407 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2408 (rs6000_emit_stack_tie): Same.
2409 (emit_frame_save): Same.
2410 (gen_frame_mem_offset): Same.
2411 (rs6000_emit_prologue): Same.
2412 (rs6000_emit_epilogue): Same.
2414 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2417 * fold-const.c (fold_build): Convert bool_var != 1 and
2418 bool_var == 0 to !bool_var.
2420 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2423 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2424 for C being INTEGER_CST. Likewise for !=.
2426 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2429 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2430 unsigned conversions from SImode to TFmode.
2432 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
2434 * expr.c (expand_expr_real_1): Fix error in last change.
2436 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2438 * caller-save.c: (this_insn_sets): Move into:
2439 (save_call_clobbered_regs).
2440 (mark_set_regs): Get this_insn_sets from data.
2442 (save_call_clobbered_regs): Take sets of the return value by
2443 sibcalls into account.
2445 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2448 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2449 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2450 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2451 (memory_move_secondary_cost, init_reg_autoinc): Remove
2452 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2453 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2454 secondary_reload_class call.
2455 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
2457 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2458 (push_secondary_reload): Use secondary_reload target hook.
2459 (secondary_reload_class, scratch_reload_class): New functions.
2460 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2461 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
2462 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2463 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2464 (secondary_reload_class, scratch_reload_class): Declare.
2465 * reload1.c: Include target.h.
2466 (reload_adjust_reg_for_temp): New function.
2467 (reload_adjust_reg_for_icode): Likewise.
2468 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2469 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2471 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
2472 for inheritance. Support case when both secondary & tertiary reloads
2473 are for intermediate registers.
2474 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2475 with secondary_reload_class call. Support case when both secondary
2476 & tertiary reloads are for intermediate registers.
2477 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2478 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2479 * target.h (secondary_reload_info): New struct / typedef.
2480 (struct gcc_target): New member secondary_reload.
2481 * targhooks.c Include reload.h, optabs.h and recog.h.
2482 (default_secondary_reload): New function.
2483 * targhooks.h (default_secondary_reload): Declare.
2484 * doc/tm.texi: Document secondary_reload target hook. Update
2485 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2486 * doc/md.texi: Likewise.
2488 * sh-protos.h (sh_secondary_reload): Declare.
2489 * sh.c (TARGET_SECONDARY_RELOAD): Override.
2490 (sh_secondary_reload): New function.
2491 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2492 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2493 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2494 (HAVE_SECONDARY_RELOADS): Define.
2495 * sh.md (reload_indf): Rename to:
2497 (reload_outdf): Rename to:
2498 (reload_outdf__RnFRm).
2499 (reload_insf): Rename to:
2501 (reload_insi): Rename to:
2502 (reload_insi__i_fpul).
2504 2005-11-24 Uros Bizjak <uros@kss-loka.si>
2506 * configure.ac: Require at least texinfo 4.4.
2507 * configure: Regenerate.
2509 * doc/install.texi (Tools/packages necessary for building GCC):
2510 Update required version of texinfo to at least 4.4.
2511 (Installing GCC: Building): Update required version of texinfo
2513 (Installing GCC: Final installation): Update required version
2514 of texi2dvi to at least 4.4.
2515 (Host/target specific installation notes for GCC): Update required
2516 version of texinfo to at least 4.4.
2518 2005-11-24 Richard Guenther <rguenther@suse.de>
2519 Dirk Mueller <dmueller@suse.de>
2522 * c-common.h (strict_aliasing_warning): Declare.
2523 * c-common.c (strict_aliasing_warning): New function,
2525 * c-typeck.c (build_c_cast): ... here.
2527 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2529 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2531 (swap_commutative_operands_with_target): New.
2533 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2535 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2536 also when doing PRE, rather than only for global CPROP.
2538 2005-11-24 Ben Elliston <bje@au.ibm.com>
2540 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2541 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2543 (expand_twoval_unop): Likewise.
2544 (widen_clz): Likewise.
2545 (expand_parity): Likewise.
2546 (expand_unop): Likewise.
2547 (emit_cmp_and_jmp_insn_1): Likewise.
2548 (prepare_float_lib_cmp): Likewise.
2550 2005-11-24 Ben Elliston <bje@au.ibm.com>
2552 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2553 Remove unused `class' variable.
2555 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2558 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
2559 C/C++ diagnostic function warn_array_subscript_with_type_char.
2560 * c-common.h (warn_array_subscript_with_type_char): Declare.
2561 * c-common.c (warn_array_subscript_with_type_char): Define.
2563 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2566 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2567 compiling at the intersection of C and C++.
2569 2005-11-23 Mark Mitchell <mark@codesourcery.com>
2571 * doc/invoke.texi: For man pages, include gcc-vers.texi.
2572 List @file in the option summary. Include the libiberty
2573 documentation for @file.
2574 * gcc.c (main): Call expandargv.
2575 * Makefile.in (gcc-vers.texi): Define srcdir.
2577 2005-11-23 Diego Novillo <dnovillo@redhat.com>
2579 * passes.c (init_optimization_passes): Document
2580 sequencing of passes.
2582 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
2584 * config/m68k/predicates.md (pcrel_address, extend_operator,
2585 post_inc_operand, pre_dec_operand): Remove redundant
2587 (const_uint32_operand, const_sint32_operand): Use gcc_assert
2589 (valid_dbcc_comparison_p): Rewrite in the lisp style.
2591 2005-11-23 Ben Elliston <bje@au.ibm.com>
2593 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2595 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
2597 Preparatory work for PR target/21623:
2598 * alpha.c (secondary_reload_class): Rename to:
2599 (alpha_secondary_reload_class).
2600 * alpha.h, alpha-protos.h: Likewise.
2601 * mn10300.c (secondary_reload_class): Rename to:
2602 (mn10300_secondary_reload_class).
2603 * mn10300.h, mn10300-protos.h: Likewise.
2604 * pa.c (secondary_reload_class): Rename to:
2605 (pa_secondary_reload_class).
2606 * pa.h, pa-protos.h: Likewise.
2607 * rs6000.c (secondary_reload_class): Rename to:
2608 rs6000_secondary_reload_class.
2609 * rs6000.h, rs6000-protos.h: Likewise.
2611 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
2614 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2616 2005-11-22 Ian Lance Taylor <ian@airs.com>
2618 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2620 (prepare_cmp_insn): Likewise.
2622 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
2625 * m68k.md (zero_extendsidi2): Force operands[1] to a register
2626 if both operands[0] and operands[1] are memory.
2628 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2631 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2632 COMPARISON_CLASS_P and an integral types create create a new
2633 expression with the new type and fold that.
2635 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2638 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2639 to SUBTARGET_OS_CPP_BUILTINS.
2641 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
2643 * arm.c (emit_set_insn): New function.
2644 (arm_split_constant): Call it.
2645 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2646 (arm_legitimize_address): Likewise. Use plus_constant.
2647 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
2648 (thumb_expand_prologue): Likewise.
2649 (arm_gen_load_multiple): Use VOIDmode in SET.
2650 (arm_gen_store_multiple): Likewise.
2651 (vfp_emit_fstmx): Likewise. Use plus_constant.
2652 (emit_multi_reg_push): Likewise.
2653 (emit_sfm): Use plus_constant.
2655 2005-11-23 Alan Modra <amodra@bigpond.net.au>
2658 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2661 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2664 * expmed.c (store_bit_field): Don't attempt to insv a field
2665 larger than the reg.
2667 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2670 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2671 explicit sign extension, not a (char) cast.
2673 2005-11-22 Ben Elliston <bje@au.ibm.com>
2675 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2676 GET_MODE_CLASS (x) == MODE_FLOAT.
2677 * config/i386/i386.c: Likewise.
2678 * config/rs6000/xcoff.h: Likewise.
2679 * config/rs6000/linux64.h: Likewise.
2680 * config/rs6000/rs6000.c: Likewise.
2681 * config/rs6000/rs6000.h: Likewise.
2682 * config/rs6000/predicates.md: Likewise.
2683 * config/rs6000/sysv4.h: Likewise.
2685 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2687 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2690 * config/alpha/freebsd.h, config/alpha/linux.h,
2691 config/arm/linux-elf.h, config/bfin/bfin.h,
2692 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2693 config/i386/beos-elf.h, config/i386/gnu.h,
2694 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2695 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2696 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2697 config/rs6000/linux64.h, config/rs6000/sysv4.h,
2698 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2699 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2700 config/sparc/linux.h, config/sparc/linux64.h,
2701 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2703 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2704 are both defined when either flag -fpic or -fPIC are used.
2706 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2708 * config/fp-bit.c (clzusi): New function.
2709 (si_to_float, usi_to_float): Use it to compute proper shift.
2710 (usi_to_float): Preserve guard bits when shifting right.
2711 * libgcc-std.ver (GCC_4.2.0): New version.
2712 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2713 __floatundisf): New functions.
2714 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2715 __floatundisf): Declare.
2716 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2717 _floatundixf, and _floatunditf.
2718 * optabs.c (expand_float): If target does not define a pattern for
2719 signed or unsigned conversion, use an unsigned libcall instead of
2721 (init_optabs): Initialize ufloat_optab.
2723 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2725 * config/rs6000/rs6000.opt (mmulhw): New option.
2726 * doc/invoke.texi (-mmulhw): Document.
2727 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2729 * config/rs6000/rs6000.md: Add half-word multiply and
2730 multiply-accumulate instructions for 405 and 440.
2732 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
2734 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2735 which matches behavior of gcc 4.0 and older for RTEMS targets. The
2736 default now includes a linker group which makes the RTEMS one nest.
2738 2005-11-22 Ben Elliston <bje@au.ibm.com>
2740 * cse.c (fold_rtx): Typo fix.
2741 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2743 2005-11-21 Richard Henderson <rth@redhat.com>
2745 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2746 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2748 * c-tree.h (lookup_name): Move declaration ...
2749 * c-common.h (lookup_name): ... here.
2750 * config/darwin-c.c: Include c-common.h.
2751 * config/t-darwin: Update dependencies.
2753 2005-11-22 Ben Elliston <bje@au.ibm.com>
2755 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2756 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2757 * genopinit.c (gen_insn): Likewise.
2758 * reload.c (find_equiv_reg): Likewise.
2759 * loop.c (load_mems): Likewise.
2760 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2761 * cse.c (find_comparison_args, fold_rtx): Likewise.
2762 * dwarf2out.c (add_const_value_attribute): Likewise.
2763 * expr.c (convert_move): Likewise.
2764 * recog.c (general_operand, register_operand): Likewise.
2765 * reg-stack.c (replace_reg): Likewise.
2766 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2767 * c-common.c (handle_vector_size_attribute): Likewise.
2768 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2769 (simplify_binary_operation_1): Likewise.
2770 (simplify_const_binary_operation): Likewise.
2771 (simplify_relational_operation): Likewise.
2772 (simplify_const_relational_operation): Likewise.
2773 (simplify_immed_subreg): Likewise.
2774 * emit-rtl.c (gen_lowpart_common): Likewise.
2775 * expmed.c (expand_mult): Likewise.
2776 * stor-layout.c (layout_type): Likewise.
2778 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
2781 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2782 cst2 only for SPE vectors.
2784 2005-11-21 David Edelsohn <edelsohn@gnu.org>
2787 * config/rs6000/predicates.md (vrsave_operation): Check
2788 UNSPEC_VOLATILE value.
2790 2005-11-21 Jan Hubicka <jh@suse.cz>
2792 PR tree-optimization/24653
2793 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2795 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2797 * config/i386/predicates.md (ax_reg_operand): New predicate.
2798 (memory_displacement_only_operand): New predicate.
2799 * config/i386/i386.md ("modrm" attribute): Return 0 if one
2800 operand is AX register and the other operand is memory operand
2801 with displacement only.
2803 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2805 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2806 if we don't care about NaNs or Infinities.
2808 2005-11-20 Ian Lance Taylor <ian@airs.com>
2810 PR rtl-optimization/24883
2811 * combine.c (combinable_i3pat): When checking whether the
2812 destination of i3 is used in i3, consider paradoxical subregs.
2814 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
2817 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2819 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
2821 * combine.c (try_combine): Do not run subst on i1src and i2src in
2822 the case of generating a PARALLEL for a comparison.
2824 2005-11-20 Richard Henderson <rth@redhat.com>
2827 * tree-sra.c (struct sra_elt): Add all_no_warning.
2828 (struct sra_walk_fns) <use>: Add use_all argument.
2829 (sra_walk_expr): Pass it.
2830 (sra_walk_modify_expr): Likewise.
2831 (scalarize_ldst): Likewise.
2832 (scan_use): Update for new argument.
2833 (mark_no_warning): New.
2834 (scalarize_use): Use it.
2836 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2838 * expr.c (expand_expr_real): Use usmul_optab for widening
2839 signed * unsigned multiplies.
2840 * genopinit.c (optabs): Add usmul_widen_optab.
2841 * optabs.c (init_optabs): Likewise.
2842 * optabs.h (enum optab_index): Add OTI_usmul_widen.
2843 (usmul_widen_optab): Define.
2844 * config/bfin/bfin.md (usmulhisi3): New pattern.
2846 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2848 2005-11-20 Graham Stott <btinternet.com>
2850 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2852 2005-11-20 Andreas Schwab <schwab@suse.de>
2855 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2858 2005-11-19 Richard Henderson <rth@redhat.com>
2861 * tree-gimple.c (is_gimple_id): Export.
2862 * tree-gimple.h (is_gimple_id): Declare.
2863 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2864 (get_default_value): Use it.
2865 (maybe_fold_stmt_indirect): Likewise.
2867 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
2869 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2870 than VR1 or vice-versa.
2872 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
2876 * reload.c (find_reloads_address_1): Mention dependency on
2878 * reload1.c (gen_reload): For IN with an unary operation, try
2879 moving inner expression to OUT if trivial SET is not valid.
2880 Confirm that the result is valid. Move common code block into...
2881 (emit_insn_if_valid_for_reload): New function.
2883 2005-11-19 Richard Guenther <rguenther@suse.de>
2885 * fold-const.c (fold_indirect_ref_1): Make sure we fold
2886 ARRAY_REFs of constant strings.
2888 2005-11-19 Jakub Jelinek <jakub@redhat.com>
2890 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2891 fatal format string.
2893 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
2895 * combine.c (make_compound_operation): Swap operands of
2896 commutative operation if necessary before returning.
2898 2005-11-19 Richard Guenther <rguenther@suse.de>
2901 * fold-const.c (fold_plusminus_mult_expr): New function.
2902 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2903 cases, remove now unnecessary code.
2905 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
2907 * gensupport.c (old_preds): Rename to std_preds, add special field.
2908 (struct old_pred_table): Rename to struct std_pred_table, add special
2910 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2911 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2912 (init_predicate_table): Adjust, and set along the way whether a
2913 predicate is special.
2915 2005-11-18 Mark Mitchell <mark@codesourcery.com>
2917 * BASE-VER: Change to 4.2.0.
2919 2005-11-18 James E Wilson <wilson@specifix.com>
2921 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2924 2005-11-18 Mike Stump <mrs@apple.com>
2926 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2927 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2928 * c-decl.c (lookup_name_two) Remove.
2929 * c-tree.h (lookup_name_two): Remove.
2930 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2931 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2932 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2933 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2935 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
2938 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2939 when not generating code to use that co-processor.
2941 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
2943 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2944 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2945 these functions are now in tree-phinodes.c.
2947 2005-11-18 Jie Zhang <jie.zhang@analog.com>
2949 * config/bfin/bfin.md (trap): New pattern.
2951 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2953 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2956 * expr.c (expand_expr_real): Don't call record_block_change unless
2957 ib_boundaries_block is non-null
2959 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2961 * fold-const.c (build_range_check): Use proper type for subtraction
2962 when merging lower bound.
2964 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2966 PR rtl-optimization/24497
2967 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2970 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2972 * tree-scalar-evolution.c (expression_expensive_p): New function.
2973 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2975 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
2977 * config/bfin/crtlibid.s: New file.
2979 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2982 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2983 when not using sjlj exceptions.
2984 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2985 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2986 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2987 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2988 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2989 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2990 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2991 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2992 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2993 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2994 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2995 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2996 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2998 * config/pa/hpux-unwind.h: New file.
3000 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
3002 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3003 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3004 * varasm.c (do_assemble_alias): Adjust call.
3005 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3007 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3009 2005-11-17 James E Wilson <wilson@specifix.com>
3011 * tree.def (FUNCTION_DECL): Correct typo in comment.
3013 2005-11-17 Richard Henderson <rth@redhat.com>
3015 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3016 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3017 and DW_CFA_def_cfa_sf.
3018 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3019 (dbx_reg_number): Don't assert particular registers here.
3020 (based_loc_descr): ... do it here instead. Fold in ...
3021 (eliminate_reg_to_offset): ... this function.
3022 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3023 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3024 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3025 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3026 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3027 (instantiate_virtual_regs): Likewise.
3028 * var-tracking.c (adjust_stack_reference): Likewise.
3029 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3031 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3033 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3034 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3035 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3037 ($(T)crtlibid.o): New rule.
3039 2005-11-16 Richard Guenther <rguenther@suse.de>
3042 * fold-const.c (extract_array_ref): Return byte offset
3044 (fold_binary): Fold &x[a] CMP &x[b] to
3045 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3048 2005-11-16 Richard Henderson <rth@redhat.com>
3051 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3052 parts of an SSA_NAME.
3054 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3057 * arm.md (split for movsf with immediate): Restrict split to insns
3058 that set a general register.
3060 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3062 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3064 * unwind-dw2.c (uw_advance_context): Likewise.
3065 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3066 _Unwind_SjLj_Unregister.
3067 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3069 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3071 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3073 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3075 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3076 langhook to get a DImode integer type.
3078 2005-11-16 Richard Henderson <rth@redhat.com>
3079 J"orn Rennecke <joern.rennecke@st.com>
3080 Ulrich Weigand <uweigand@de.ibm.com>
3084 * reload1.c (reg_equiv_invariant): New.
3085 (reload): Allocate, initialize, and free it.
3086 (calculate_needs_all_insns): Check it when skipping equivalence
3088 (alter_reg): Likewise.
3089 (eliminate_regs_1): Rename from eliminate_regs. Add new
3090 may_use_invariant argument; only use reg_equiv_invariant when true.
3091 (eliminate_regs): New.
3092 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3093 a context for which may_use_invariant may be true.
3095 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3097 * fold-const.c (const_binop): Don't constant fold the operation
3098 if the result has overflowed and flag_trapping_math.
3099 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3101 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3103 * config/arm/unwind-arm.c (abort): Add prototype here.
3104 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3105 (struct phase1_vrs): Add prev_sp.
3106 (unwind_phase2_forced): Save the original core registers instead of
3107 modifying entry_vrs. Take a new flag argument for resuming unwinding
3108 and set action flags accordingly. Always set _US_END_OF_STACK when
3109 get_eit_entry fails. Unwind before calling the stop function.
3110 (_Unwind_GetCFA): New function.
3111 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3112 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3113 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3114 just call unwind_phase2_forced.
3115 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3116 * config/arm/unwind-arm.h (abort): Remove prototype.
3117 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3119 (_Unwind_GetCFA): New prototype.
3120 * config/arm/pr-support.c (abort): Add prototype here.
3121 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3123 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3124 not schedule the prologue with non-call exceptions and EABI.
3126 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3128 * config/arm/unwind-arm.h: Reorder interface function declarations.
3129 (_URC_END_OF_STACK): New enumeration value.
3130 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3131 (struct _Unwind_Control_Block): Document reserved field use.
3132 (_Unwind_Stop_Fn): New typedef.
3133 (_Unwind_ForcedUnwind): Declare.
3134 (_Unwind_Resume_or_Rethrow): Declare.
3135 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3137 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3138 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3139 (UCB_FORCED_STOP_ARG): New.
3140 (search_EIT_table): Update boundary condition checks.
3141 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3142 (unwind_phase2): Replace for with do..while.
3143 (unwind_phase2_forced): New.
3144 (__gnu_Unwind_RaiseException): Replace for with do..while.
3145 (__gnu_Unwind_ForcedUnwind): New.
3146 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3147 Use appropriate phase2 unwinder.
3148 (__gnu_Unwind_Resume_or_Rethrow): New.
3149 (__gnu_unwind_pr_common): Cope with forced unwinding.
3151 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3154 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3156 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3157 roundsf2): Remove "s" from mnemonic.
3159 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3161 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3163 * config/bfin/crtn.s: Change epilogues to match.
3164 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3165 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3166 __PIC__ and __pic__.
3168 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3171 * doc/invoke.texi: Distinguish between free and fixed form instead of
3172 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3174 * gcc.c (default_compilers): Remove double entries, add entries for
3175 suffixes '.F90' and '.F95'.
3177 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3179 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3180 in the stack probing loop.
3182 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3184 * configure.ac: Use .machine power5 not power5x.
3185 * configure: Regenerate.
3187 2005-11-15 Mike Stump <mrs@apple.com>
3189 * c-decl.c (lookup_name_two): Add.
3190 * c-tree.h (lookup_name_two): Likewise.
3191 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3192 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3194 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3196 PR rtl-optimization/23392
3197 * regrename.c (enum scan_actions) Add mark_access.
3198 (scan_actions_name): Ditto.
3199 (scan_rtx_reg): Handle mark_access.
3200 (scan_rtx_address): Do nothing for mark_access.
3201 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3202 and regs in REG_INC notes before closing chains for dead regs.
3203 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3204 opening chains for new writes.
3206 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3208 * c.opt (ffixed-line-length-none): New.
3210 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3212 * mklibgcc.in: Change contents of eh_dummy.c.
3214 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3216 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3218 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3220 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3222 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3224 2005-11-15 Jan Hubicka <jh@suse.cz>
3226 * invoke.texi (large-unit-insns): Document.
3227 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3228 * params.def (large-unit-insns): New param.
3230 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3233 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3234 special register for operand 3. Reindent constraints to align
3237 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3239 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3240 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3241 * configure.ac: Add test for FP rounding instructions.
3242 * configure: Regenerate.
3243 * config.in: Regenerate.
3244 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3245 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3247 * config/rs6000/rs6000.opt (mfprnd): New.
3248 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3249 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3250 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3251 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3252 (TARGET_FPRND): New.
3253 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3255 (btrunc<mode>2): New.
3257 (floor<mode>2): New.
3258 (round<mode>2): New.
3260 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3262 * gcc.c (version_compare_spec_function): Use fatal() rather than
3265 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3266 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3267 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3269 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3272 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3273 on -mmacosx-version-min setting.
3275 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3278 * tree-vrp.c (infer_value_range): Return false if STMT is a
3279 block terminator and its basic block has no successors.
3281 2005-11-14 Mike Stump <mrs@apple.com>
3283 * config/i386/i386.c (override_options): -masm=intel isn't
3284 supported on darwin.
3285 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3287 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3289 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3290 vfork after including auto-host.h.
3292 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3294 PR rtl-optimization/22002
3295 * combine.c (distribute_notes): Detect cases where a reg dies
3296 two or more times in a bb, including on the insn we are combining,
3297 and place the death note on the correct range.
3299 2005-11-14 Dale Johannesen <dalej@apple.com>
3301 * expmed.c (store_bit_field): Add offset unconditionally for
3303 (extract_bit_field): Don't force extzv or extv operand into
3304 a register if field is too big.
3306 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3308 * config/arm/arm.c (pic_labelno): New.
3309 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3310 LABEL_REF. Pass only the labelno to PIC insns.
3311 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3312 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3313 * arm.md (UNSPEC_PIC_LABEL): New constant.
3314 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3315 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3316 Use the correct label prefix.
3318 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3320 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3323 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3325 * loop-invariant.c: Include tm_p.h.
3326 * Makefile.in: Updated.
3328 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3330 * pa.c (store_reg): Revise generation of frame notes in large frames.
3331 (set_reg_plus_d): Likewise.
3333 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3335 PR tree-optimization/24709
3336 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3339 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3341 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3342 and duplicate declaration of pthread_self.
3344 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3345 Ian Lance Taylor <ian@airs.com>
3348 * calls.c (expand_call): If TARGET is a MEM and some part of the
3349 argument area has been saved, force TARGET to a register.
3351 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3353 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3356 2005-11-13 Jason Merrill <jason@redhat.com>
3359 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3360 lazily declared methods.
3361 (force_decl_die): Stop if forcing out the context already make a
3363 (force_type_die): Likewise.
3365 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3368 * builtins.c (integer_valued_real_p): Add break in
3369 REAL_CST having TREE_OVERFLOW set.
3371 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
3373 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3374 addressing modes during calculation of costs.
3376 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3378 * function.c (assign_stack_local_1): Restrict sanity check
3379 on frame size overflow to 32-bit and above platforms.
3381 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3383 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3384 * config/cris/cris.c: Include reload.h.
3385 (cris_initial_elimination_offset): New function.
3386 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3389 2005-11-12 Richard Guenther <rguenther@suse.de>
3391 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3393 2005-11-12 Jan Hubicka <jh@suse.cz>
3395 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3396 to compare against 0 when possible.
3398 2005-11-12 Jie Zhang <jie.zhang@analog.com>
3400 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3401 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3402 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3403 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3406 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3408 * recog.c (constrain_operands) <case 'g'>: For a match, require
3409 that a non-register matches general_operand when strict >= 0.
3411 2005-11-11 Steven Bosscher <stevenb@suse.de>
3413 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3416 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3418 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3419 (memory_address_same): New.
3420 (dse_optimize_stmt): Call memory_address_same.
3422 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3425 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3426 ZERO_EXTEND>: New cases.
3428 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3430 * longlong.h (__clz_tab): Always provide.
3432 2005-11-11 Steven Bosscher <stevenb@suse.de>
3435 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3437 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3438 before check_maybe_invariant.
3439 (move_invariant_reg): Use gen_move_insn instead of replacing
3440 SET_DEST with the temporary for the invariant.
3441 (move_loop_invariants): If checking is enabled, do internal
3442 consistency checks after completing the pass.
3444 2005-11-11 David Edelsohn <edelsohn@gnu.org>
3447 * common.opt (Wvolatile-register-var): New.
3448 * varasm.c (make_decl_rtl): Only emit warning when option
3449 specified. Clarify warning message.
3450 * doc/invoke.texi (Wvolatile-register-var): Document new option.
3452 * doc/md.texi (copysign): Document standard named pattern.
3454 2005-11-11 Jie Zhang <jie.zhang@analog.com>
3456 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3457 bytes when align is 2.
3458 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3459 by the first instruction of the loop.
3461 2005-11-11 Jason Merrill <jason@redhat.com>
3464 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3467 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3469 PR rtl-optimization/22509
3470 * local-alloc.c (memref_used_between_p): Check whether a function call
3471 could not reference the memref.
3473 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
3475 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3476 algorithm so as to choose the best, not the worst, alternative.
3477 Reset accumulated register class before processing next alternative.
3479 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
3482 * calls.c (expand_call): Copy a return value to a plain register
3485 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
3488 * varasm.c (assemble_name): Recompute name only for transparent
3491 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
3493 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3495 2005-11-04 Jeff Law <law@redhat.com>
3498 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3499 perform reassociation if the parent statement will not die as
3500 a result of the optimization.
3502 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
3504 * tree-ssa-alias.c (compute_may_aliases): Remove call to
3505 delete_old_heap_vars.
3506 * tree-dfa.c (referenced_var_remove): Remove function.
3507 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3508 (delete_tree_ssa): Remove call to delete_old_heapvars.
3509 Add call to delete_alias_heapvars.
3510 * tree-flow.h (referenced_var_remove): Remove prototype
3511 (init_alias_heapvars): New prototype.
3512 (delete_alias_heapvars): Ditto.
3513 * Makefile.in (tree-ssa-structalias.o): Add
3514 gt-tree-ssa-structalias.o
3515 (GTFILES): Add tree-ssa-structalias.h and
3516 tree-ssa-structalias.c.
3517 (s-gtype): Add gt-tree-ssa-structalias.h.
3518 * tree-ssa-structalias.c (heapvars): Remove.
3519 (oldheapvars): Remove.
3520 (heapvar_for_stmt): New variable.
3521 (heapvar_lookup): New function.
3522 (heapvar_insert): Ditto.
3523 (get_constraint_for): See if we have an old heapvar
3525 (init_alias_heapvars): New function.
3526 (delete_alias_heapvars): Ditto.
3527 Add include of gt-tree-ssa-structalias.h.
3529 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3532 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3534 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
3536 * tree.c (int_fits_type_p): Only look at the base type
3537 if it has the same precision as the original type.
3539 2005-11-10 Jakub Jelinek <jakub@redhat.com>
3542 * varasm.c (assemble_alias): Use %q+D in the error
3543 message instead of %J and %qD.
3545 2005-11-10 Richard Guenther <rguenther@suse.de>
3547 * gcse.c (free_ldst_entry): Only free hashtable if
3550 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3552 * function.c (assign_stack_local_1): Issue an error message if
3553 the frame size overflows in the signed target arithmetics.
3555 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3557 * tree.c (build_qualified_type): Chain the new type to the original
3558 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3559 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3560 (build_pointer_type_for_mode): Only return unqualified types.
3561 (build_reference_type_for_mode): Likewise.
3563 2005-11-09 Jakub Jelinek <jakub@redhat.com>
3565 * Makefile.in (gnucompare): Do comparison of all files using one of
3566 the chosen methods and only afterwards decide if just warning should
3567 be issued or comparison failure raised.
3569 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3571 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3572 (noce_try_abs): Negate if the comparison is reversed.
3573 Look only one instruction backwards for a REG_EQUAL note.
3575 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3578 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3579 gthr-tpf.h: Define __gthrw. For all identifiers that might
3580 be weak, introduce weakrefs or non-weak aliases with __gthrw,
3581 and prefix all uses with __ghtrw.
3583 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3586 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3587 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
3588 * c-common.c (handle_weakref_attribute): New.
3589 (c_common_attribute_table): Add weakref.
3590 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3592 * configure, config.in: Rebuilt.
3593 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3594 * doc/extend.texi: Document weakref attribute.
3595 * varasm.c (ultimate_transparent_alias_target): New
3596 (assemble_name): Use it.
3597 (weak_finish_1): Split out of...
3598 (weak_finish): ... and deal with weakrefs in...
3599 (weakref_targets): ... new list.
3600 (globalize_decl): Clean up weakref_targets.
3601 (do_assemble_alias): Handle weakrefs.
3602 (finish_aliases_1): Do not reject weakrefs to external symbols.
3603 (assemble_alias): Handle weakrefs.
3605 2005-11-09 Richard Guenther <rguenther@suse.de>
3607 PR tree-optimization/24716
3608 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3609 t_bool to track results from follow_ssa_edge.
3611 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3613 * final.c (force_source_line): New global variable.
3614 (final_scan_insn): Set it to true instead of clearing last_filename.
3615 (notice_source_line): Return true if force_source_line is true,
3616 unless source info is absent.
3618 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
3621 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3622 a linkage name for a variable if it a register variable.
3623 * c-decl.c (grokdeclarator): Global register variables
3624 should be set as PUBLIC.
3626 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3629 * config/s390/s390.c (struct s390_frame_layout): New fields
3630 first_save_gpr_slot and last_save_gpr_slot.
3631 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3632 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3633 first_save_gpr and last_save_gpr with the _slot variants.
3634 (s390_register_info): Calculate first_save_gpr_slot and
3635 last_save_gpr_slot using regs_ever_live.
3637 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3640 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3641 for a function containing a landing pad.
3643 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3646 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3649 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
3651 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3652 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3654 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
3657 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3659 (call,load,store): New insn types.
3660 (mem_access, branch_access): Adjust reservation conditions.
3661 (define_delay): Adjust condition.
3662 (decrement_and_branch_until_zero): Allow for ms2. Set branch
3664 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3665 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3667 (call_internal, call_value_internal, return_internal,
3668 return_interrupt_internal, eh_return_internal, indirect_jump,
3669 tablejump): Set call insn type.
3670 (blockage, ei, di): Use appropriate unspec const.
3671 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3672 (ms1_get_attr_type): Adjust to give load & store types.
3673 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
3674 backwards past a barrier.
3675 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
3677 (struct branch_info, struct label_info): New.
3679 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3680 (ms1_machine_reorg): New.
3681 (TARGET_MACHINE_DEPENDENT_REORG): Override.
3682 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3683 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3684 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3687 2005-11-09 Per Bothner <per@bothner.com>
3688 Uros Bizjak <uros@kss-loka.si>
3691 * toplev.c (process_options): Initialize debug_hooks early
3692 in case lang_hooks.post_options ends up calling a debug_hook.
3694 2005-11-08 Jakub Jelinek <jakub@redhat.com>
3696 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3697 DBX_REGISTER_NUMBER being contiguous.
3699 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
3700 Diego Novillo <dnovillo@redhat.com>
3703 * tree-vrp.c (register_edge_assert_for): Do not register
3704 always-false predicates.
3706 2005-11-08 Devang Patel <dpatel@apple.com>
3708 PR tree-optimization/23115
3709 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3712 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
3714 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3717 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
3719 Fix PR tree-optimization/23382
3721 * tree-ssa-alias.c (compute_may_aliases): Call
3722 delete_old_heap_vars.
3723 * tree-dfa.c (referenced_var_remove): New function.
3724 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3725 * tree-flow.h (referenced_var_remove): Add prototype.
3726 (delete_old_heap_vars): Ditto.
3727 * tree-ssa-structalias.c (heapvars): New variable.
3728 (oldheapvars): Ditto.
3729 (get_constraint_for): Put heap vars on heapvars list.
3730 (delete_old_heap_vars): New function.
3732 2005-11-08 Jason Merrill <jason@redhat.com>
3734 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3736 2005-11-08 Uros Bizjak <uros@kss-loka.si>
3739 * reg-stack.c (reg_to_stack): Update register liveness also
3740 for flag_sched2_use_traces.
3742 2005-11-08 Alan Modra <amodra@bigpond.net.au>
3745 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3746 override prior explicit -mno-powerpc-gfxopt.
3748 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
3750 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3751 if the bitsize is zero.
3752 * doc/md.texi (Standard Pattern Names): Document it.
3754 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3755 (TARGET_PASS_BY_REFERENCE): Likewise.
3757 2005-11-07 Ian Lance Taylor <ian@airs.com>
3759 PR rtl-optimization/24683
3760 * config/i386/i386.c (legitimize_pic_address): If constant operand
3761 to PLUS is too large, put it in a register.
3763 2005-11-07 Jie Zhang <jie.zhang@analog.com>
3765 * configure.ac: Enable checking assembler dwarf2 support for bfin
3767 * configure: Regenerate.
3769 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3773 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3774 gen_easy_vector_constant_add_self): Delete.
3775 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3777 (output_vec_const_move): Use gen_easy_altivec_constant.
3778 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3779 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3780 (easy_vector_constant_add_self): Rewritten.
3781 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3782 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3783 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3784 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3785 Macroize and adjust for the other changes.
3787 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3791 * c-typeck.c (build_c_cast): Try using a shared constant, and see
3792 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3794 2005-11-07 Jakub Jelinek <jakub@redhat.com>
3796 PR rtl-optimization/23567
3797 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3798 (noce_process_if_block): Don't do any optimizations except
3799 if (cond) x = x; if !set_b and write into orig_x may trap
3800 or fault. Remove the MEM_READONLY_P check.
3802 2005-11-06 Diego Novillo <dnovillo@redhat.com>
3805 * tree-vrp.c (fix_equivalence_set): New.
3806 (extract_range_from_assert): Call it.
3808 2005-11-05 Ian Lance Taylor <ian@airs.com>
3811 * combine.c (apply_distributive_law): Don't distribute across a
3814 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
3816 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3817 config/ms1/ms1.h, config/rs6000/predicates.md,
3818 config/s390/s390.c, params.def, postreload-gcse.c,
3819 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3820 tree-vrp.c, tree.c: Fix comment typos.
3821 * doc/invoke.texi: Fix typos.
3823 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
3825 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3826 for testing whether the data_dependence_relation contains distance
3827 vectors. Iterate over all distance vectors of the ddr.
3828 * lambda.h: Define a vec of lambda_vector pointers.
3829 * tree-data-ref.c (dump_data_dependence_relation,
3830 dump_data_dependence_direction): Iterate over all distance and
3831 direction vectors of the ddr.
3832 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3834 (build_classic_dist_vector, build_classic_dir_vector): Push a set
3835 of distance/direction vectors instead of a single one.
3836 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3837 lambda_vectors with a vec of lambda_vectors.
3838 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3839 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3840 DDR_NUM_DIST_VECTS): New.
3841 * tree-loop-linear.c (gather_interchange_stats): Test for the
3842 existence of distance vectors only after having checked that there
3843 is a dependence. Iterate over all distance vectors of the ddr.
3844 (linear_transform_loops): Use dump_data_dependence_relation.
3845 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3846 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
3847 distance vectors of the ddr.
3849 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
3851 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3852 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3853 IS_INTHANDLER; all callers changed.
3854 (n_regs_saved_by_prologue): Take interrupt handler attributes into
3856 (do_link, do_unlink): New argument ALL; all callers changed.
3857 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3858 If function isn't leaf, save and restore all registers.
3859 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3862 2005-11-05 Jan Hubicka <jh@suse.cz>
3864 PR rtl-optimization/23490
3865 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3866 max-flow-memory-location): Document.
3867 * flow.c: Include params.h
3868 (MAX_MEM_SET_LIST_LEN): Kill.
3869 (add_to_mem_set_list): Use new param.
3870 * cse.c (cse_basic_block): Replace 1000 by new param.
3871 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3872 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3873 * predict.c (predict_loops): Use new param.
3874 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3876 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3877 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3878 Do not hold memory returned by cgraph_node_name across other call.
3880 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
3883 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3886 2005-11-04 Jeff Law <law@redhat.com>
3889 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3890 * tree-ssa-dom.c: Include params.h.
3891 (thread_across_edge): If there are too many statements in the
3892 target block, then do not thread through it.
3893 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3894 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3896 2005-11-03 Diego Novillo <dnovillo@redhat.com>
3899 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3900 TODO_update_ssa instead of TODO_update_ssa_no_phi.
3902 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
3905 * tree-scalar-evolution.c (instantiate_parameters_1,
3906 instantiate_parameters, resolve_mixers): Compute the size of an
3907 expression to be instantiated and give up the instantiation if the
3908 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3910 2005-11-04 Richard Guenther <rguenther@suse.de>
3912 * tree-flow.h (ref_contains_indirect_ref): Rename to
3913 array_ref_contains_indirect_ref.
3914 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3915 (array_ref_contains_indirect_ref): Make comment match the code
3917 (ref_contains_array_ref): Likewise.
3918 * tree-ssa-structalias.c (find_func_aliases): Remove call to
3919 ref_contains_indirect_ref.
3920 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3921 Rename calls to ref_contains_indirect_ref.
3923 2005-11-04 Paul Brook <paul@codesourcery.com>
3925 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3926 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3927 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3928 * config/arm/arm.md: Use match_operand in peephole input templates
3929 and match_dup in peephole output templates.
3931 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3933 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3936 2005-11-04 Mark Mitchell <mark@codesourcery.com>
3937 Daniel Jacobowitz <dan@codesourcery.com>
3939 * longlong.h (add_ssaaaa): Clobber condition code register
3941 (sub_ddmmss): Likewise.
3942 (umul_ppmm): Likewise.
3944 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3945 Paul Brook <paul@codesourcery.com>
3946 Phil Blundell <pb@reciva.com>
3948 * configure.ac: Add test for ARM TLS support.
3949 * configure: Regenerated.
3950 * config/arm/arm-protos.h (legitimize_tls_address)
3951 (arm_tls_referenced_p, tls_mentioned_p)
3952 (arm_output_addr_const_extra): New prototypes.
3953 (thumb_legitimize_pic_address): Delete.
3954 * config/arm/arm.c: Include "gt-arm.h".
3955 (enum tls_reloc): New.
3956 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3957 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3958 (arm_call_tls_get_addr, legitimize_tls_address)
3959 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3960 (arm_init_tls_builtins, arm_emit_tls_decoration)
3961 (arm_output_addr_const_extra): New functions.
3962 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3963 (TARGET_HAVE_TLS): Define.
3964 (target_thread_pointer): New.
3965 (arm_override_options): Handle -mtp=.
3966 (legitimize_pic_address): Ignore UNSPECs.
3967 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3969 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3970 (tls_get_addr_libfunc): New variable.
3971 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3972 (arm_init_builtins): Call arm_init_tls_builtins.
3973 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3974 (arm_encode_section_info): Call default_encode_section_info.
3975 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3976 (enum arm_tp_type): New.
3977 (target_thread_pointer): Add declaration.
3978 (LEGITIMATE_CONSTANT_P): Handle TLS.
3979 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3980 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3981 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3982 * config/arm/arm.md: Add UNSPEC_TLS.
3983 (movsi): Handle TLS.
3984 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3986 (tls_load_dot_plus_eight): New insn and a peephole to create it.
3987 (load_tp_hard, load_tp_soft): New insns.
3988 * arm.opt: Add -mtp=.
3989 * doc/invoke.texi (ARM Options): Document -mtp.
3991 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3993 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3994 * config/arm/libunwind.S: Include "lib1funcs.asm".
3995 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3996 (LIB2ADDEH): Add libunwind.S.
3997 (LIB2ADDEHDEP): Add lib1funcs.asm.
3998 * mklibgcc.in: Handle asm files in libgcc_eh.a.
4000 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4003 * gcc/c.opt: Add a -lang-fortran option.
4004 * gcc/c-opts.c: Add a lang_fortran flag.
4005 (c_common_init_options): Handling the -lang-fortran option.
4006 (c_common_handle_option): Add a case for Fortran options in
4007 preprocessing. Remove cases for -ffixed-form and
4008 -ffixed-line-length. Add a case for -lang-fortran.
4010 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4012 * config/rs6000/rs6000.c: Include params.h
4013 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4014 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4015 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4016 (UNSPEC_VPKUWSS): Delete.
4017 (altivec_vpkuhss): Delete.
4018 (altivec_vpkuwss): Delete.
4019 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4021 (neg_eq0<mode>): Remove final condition.
4022 (neg_eq<mode>): Remove condition and split-condition.
4024 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4026 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4027 Use associated print macros.
4029 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4032 * diagnostic.c (diagnostic_set_info_translated): New function.
4033 (diagnostic_set_info): Use it. Add comment.
4034 * diagnostic.h (diagnostic_set_info_translated): Declare.
4036 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4038 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4039 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4040 reference only if 'public' is true.
4041 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4042 emit the .hidden directive only if the indirect reference is public.
4043 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4044 Pass it to dw2_force_const_mem.
4045 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4046 * dwarf2out.c (output_cfi): Adjust calls to above function.
4047 (output_call_frame_info): Likewise.
4048 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4049 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4051 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4053 PR tree-optimization/24483
4054 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4055 field to elts if possible.
4057 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4060 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4063 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4065 Fix PR tree-optimization/24351
4067 * tree-ssa-structalias.c (struct variable_info): Add
4069 (get_varinfo_fc): New function to follow collapsing.
4070 (new_var_info): Set collapsed_to to NULL.
4071 (dump_constraint): Follow collapsing.
4072 (build_constraint_graph): Handle collapsing.
4073 (do_simple_structure_copy): Return false if something bad
4075 (collapse_rest_of_var): New function.
4076 (do_structure_copy): Collapse if do_simple_structure_copy returns
4079 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4082 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4083 expressions to a statement list instead of gimplifying them.
4085 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4087 PR rtl-optimization/23585
4088 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4089 that can't trap plus a constant integer, if the mode has zero size.
4091 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4094 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4096 ("*insv<mode>_reg_extimm"): Likewise.
4098 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4101 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4102 c_common_type_for_mode returns an unnamed type.
4104 2005-11-02 Richard Henderson <rth@redhat.com>
4108 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4109 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4110 * function.c (assign_parms): Use calls.internal_arg_pointer.
4111 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4113 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4114 (TARGET_CALLS): Add it.
4115 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4116 * targhooks.c (default_internal_arg_pointer): New.
4117 * targhooks.h (default_internal_arg_pointer): Declare.
4118 * tree.h (dwarf2out_reg_save_reg): Declare.
4119 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4120 * config/i386/i386.c (dbx_register_map): Add return column.
4121 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4122 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4123 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4124 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4125 (ix86_save_reg): Save force_align_arg_pointer.
4126 (ix86_emit_save_regs): Make regno unsigned.
4127 (ix86_emit_save_regs_using_mov): Likewise.
4128 (ix86_expand_prologue): Handle force_align_arg_pointer.
4129 (ix86_expand_epilogue): Likewise.
4130 * config/i386/i386.h: (dbx_register_map): Update.
4131 (dbx64_register_map, svr4_dbx_register_map): Update.
4132 (struct machine_function): Add force_align_arg_pointer.
4133 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4134 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4135 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4137 2005-11-02 Jan Hubicka <jh@suse.cz>
4140 * i386.md: Add peep2 for simplyfing array accesses.
4142 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4145 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4146 * config/s390/s390.c (s390_decompose_shift_count): New function.
4147 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4148 (print_shift_count_operand): Use s390_decompose_shift_count.
4149 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4150 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4152 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4155 * loop.c (loop_givs_rescan): Use force_operand to expand
4158 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4161 * fold-const.c (build_range_check): Use unsigned when signed
4162 overflow is undefined also. If etype is subtype, make sure that
4163 the subtraction is in the supertype.
4165 2005-11-02 Richard Henderson <rth@redhat.com>
4168 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4171 2005-11-01 Richard Henderson <rth@redhat.com>
4174 * loop.c (scan_loop): Do not propagate computations to a hard
4175 register destination with SMALL_REGISTER_CLASSES.
4177 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4179 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4180 costs for MULT inside PLUS or MINUS.
4182 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4184 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4185 (TRAMPOLINE_SIZE): Round up to 60.
4186 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4188 2005-10-31 James E. Wilson <wilson@specifix.com>
4191 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4192 ifdef. Put ifdefs around call in gen_subprogram_die.
4193 (compute_frame_pointer_to_cfa_displacement): Likewise.
4194 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4197 PR rtl-optimization/17356
4198 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4199 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4201 2005-10-31 Jan Hubicka <jh@suse.cz>
4204 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4207 * i386.c (legitimize_pic_address): Deal with large immediates.
4210 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4211 from symbol names while computing checkup.
4214 * predict.c (predict_loops): Do not estimate more than
4215 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4216 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4218 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4220 PR tree-optimization/19097
4221 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4223 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4225 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4227 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4230 * tree-inline.c (setup_one_parameter): If the init_stmt
4231 is NULL, don't insert the statement.
4233 2005-10-30 Jan Hubicka <jh@suse.cz>
4235 PR tree-optimization/24172
4236 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4238 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4240 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4241 constants for hosts with long != 32 bits.
4243 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4246 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4248 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4250 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4251 (TARGET_MS1_16_002): New.
4252 (TARGET_MS1_16_003): New.
4254 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4255 ("*decrement_and_branch_until_zero_no_clobber"): New.
4256 Add corresponding splitter for decrement_and_branch_until_zero
4258 Key all decrement_and_branch_until_zero patterns off of
4261 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4264 * tree-complex.c (extract_component): Treat RESULT_DECL
4265 like the rest of the decls.
4267 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4269 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4270 indirect call to _mcount if the function needs a static chain.
4272 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4273 Caroline Tice <ctice@apple.com>
4275 PR rtl-optimization/24460
4276 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4277 (dwarf2out_switch_text_section): Set it to true instead of
4278 incrementing separate_line_info_table_in_use.
4279 (output_loc_list): Additionally test have_switched_text_sections.
4280 (output_ranges): Likewise.
4281 (dwarf2out_finish): Likewise.
4282 * varasm.c (assemble_start_function): Do not call
4283 insert_section_boundary_note.
4284 (assemble_end_function): If flag_reorder_blocks_and_partition,
4285 switch to the function's section before emitting the .size directive.
4286 * bb-reorder.c (insert_section_boundary_note): Staticify.
4287 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4288 * output.h (insert_section_boundary_note): Delete.
4290 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4293 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4294 instead of pointer equality when comparing types.
4296 2005-10-24 James E. Wilson <wilson@specifix.com>
4298 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4299 add_dependence_list_and_free calls.
4301 2005-10-24 Steven Bosscher <stevenb@suse.de>
4303 * contrib.texi: Add the names of the LLNL folks who donated
4304 Cray pointer support for gfortran.
4306 2005-10-24 Steven Bosscher <stevenb@suse.de>
4308 PR tree-optimization/24225
4309 * profile.c (branch_prob): Look from end to start through a
4310 basic block when looking for a locus.
4312 2005-10-24 Richard Henderson <rth@redhat.com>
4314 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4316 (hppa_expand_prologue): Likewise.
4318 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4320 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4321 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4322 * pa.h (NO_PROFILE_COUNTERS): Define.
4323 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4324 (funcdef_nos): New vector to hold label numbers of deferred profile
4326 (output_deferred_profile_counters): New function.
4327 (hppa_profile_hook): Push label number onto funcdef_nos.
4328 (pa_hpux_file_end): Call output_deferred_profile_counters if
4329 NO_DEFERRED_PROFILE_COUNTERS is false.
4331 * pa-protos.h (get_deferred_plabel): New prototype.
4332 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4334 (output_call): Adjust calls.
4336 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4338 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4339 peculiarity of GOT/TOC section usage.
4341 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4344 * c-common.c (constant_string_class_name): Add documentation.
4346 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4349 * recog.c (peephole2_optimize): Increment peep2_current_count
4350 only when the slot is empty.
4352 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4355 * except.c (output_function_exception_table): Call
4356 assemble_external_libcall if we need a personality function.
4358 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4360 PR rtl-optimization/24460
4361 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4362 set the basic block for barriers.
4364 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4366 * var-tracking.c (vt_initialize): Initialize post.
4368 2005-10-21 Devang Patel <dpatel@apple.com>
4371 * c-common.c (vector_types_convertible_p): Check vector element type.
4373 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4375 * config/sh/sh.c (prepare_move_operands): Handle the address
4376 constant which is a tls symbolic address plus a constant.
4378 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4381 * gcc.c (main): Use the correct counter for erroring out
4382 about mulitple files.
4384 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4387 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4388 use r2 for 64-bit tls .got access.
4390 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4392 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4395 2005-10-20 Steven Bosscher <stevenb@suse.de>
4397 PR tree-optimization/24307
4398 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4400 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
4403 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4405 * varasm.c (find_decl_and_mark_needed): After cgraph global info
4406 is ready, stop marking functions, but still mark variables.
4408 2005-10-20 Richard Guenther <rguenther@suse.de>
4411 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4414 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4416 PR rtl-optimization/23585
4417 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4418 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
4419 (may_trap_p_1): New predicate extracted from...
4420 (may_trap_p): ... here. Invoke may_trap_p_1.
4421 (may_trap_or_fault_p): New predicate.
4422 * rtl.h (may_trap_or_fault_p): Declare it.
4423 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4424 instead of may_trap_p.
4425 (steal_delay_list_from_fallthrough): Likewise.
4426 (fill_simple_delay_slots): Likewise.
4427 (fill_slots_from_thread): Likewise.
4428 * function.c (pad_to_arg_alignment): Rework comment about
4429 SPARC_STACK_BOUNDARY_HACK.
4430 * config/sparc/sparc.h: Likewise.
4432 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
4434 * config/s390/s390.c (s390_expand_insv): New.
4435 * config/s390/s390-protos.h (s390_expand_insv): Declare.
4436 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4437 ("icm_hi"): Remove mode attribute.
4438 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4440 ("*extracthi", "*extractqi"): Remove.
4441 (extv<mode>", "*extzv<mode>"): New.
4442 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4443 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4445 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4447 * cfgexpand.c (discover_nonconstant_array_refs_r,
4448 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4449 (tree_expand_cfg): Call discover_nonconstant_array_refs.
4450 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4451 discover_nonconstant_array_refs.
4453 2005-10-19 Steven Bosscher <stevenb@suse.de>
4456 * c-decl.c (pop_scope): Don't warn about an unused variable
4457 if it is marked with TREE_NO_WARNING.
4458 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4459 somenow mismatch and olddecl is to be replaced.
4461 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
4464 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4465 whether registers live on the edge can be saved/restored.
4467 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
4469 * config/sh/sh.c (fixup_mova): Skip notes.
4471 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4473 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4474 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4475 (s390_can_eliminate): Handle BASE_REGNUM elimination.
4476 (s390_initial_elimination_offset): Likewise.
4477 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4478 register on TARGET_ZARCH targets.
4479 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4480 (INITIAL_FRAME_POINTER_OFFSET): Remove.
4481 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4482 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4484 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4486 * config/s390/s390.md: Comment describing output modifiers updated.
4487 * config/s390/s390.c (print_operand): Likewise.
4489 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4491 * config/s390/s390.c (override_options): Added check for -mstack-size
4493 * doc/invoke.texi: Mention that limit in the documenation.
4495 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
4498 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4500 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
4502 Fix PR tree-optimization/24231
4504 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4505 (compute_avail): Ditto.
4507 2005-10-18 Richard Henderson <rth@redhat.com>
4510 * config/i386/i386.c (legitimate_constant_p): Check
4511 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
4513 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4514 (legitimate_pic_address_disp_p): Reorg CONST checking to make
4515 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
4517 (print_operand_address): Likewise.
4518 * config/i386/predicates.md (x86_64_immediate_operand): Test
4519 SYMBOL_REF_TLS_MODEL properly inside CONST.
4520 (x86_64_zext_immediate_operand): Likewise.
4521 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4522 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4523 * config/i386/i386-protos.h: Remove predicates.md entries.
4525 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
4527 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4528 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4530 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
4531 Ian Lance Taylor <ian@airs.com>
4534 * fold-const.c (fold_widened_comparison): Do not allow range based
4535 constant folding when right operand cannot be unwidened.
4537 2005-10-17 Richard Henderson <rth@redhat.com>
4539 * builtins.c (expand_builtin_synchronize): Build a new-style asm
4540 with a memory clobber.
4542 2005-10-17 James E Wilson <wilson@specifix.com>
4544 PR rtl-optimization/17356
4545 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4546 checking for EDGE_EH.
4548 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
4550 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4551 the slot on an even boundary for any type with 16-byte alignment.
4553 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
4556 * md.texi (Modifiers) <%>: Clarify that % doesn't work
4557 after register allocation.
4559 2005-10-17 DJ Delorie <dj@redhat.com>
4561 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4564 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
4567 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4570 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
4572 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4573 to 2 if it's already non-zero.
4574 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4575 is set and warn about it if flag_schedule_insns is 1.
4577 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
4579 * config/crx/crx.md: Compare-and-branch instructions need to
4582 2005-10-17 Uros Bizjak <uros@kss-loka.si>
4585 * config/i386/i386.md (*pushdi2_rex64 splitter)
4586 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4587 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4588 flow2 pass only when (optimize > 0 && flag_peephole2).
4590 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
4593 * gcc.c (have_c): New static variable.
4595 (process_command): Remove declation of have_c.
4596 Set have_o to 1 when handling -o.
4597 (main): Add a fatel error if there are multiple
4598 files specified and -o and -c/-S is passed witout
4599 -combine or multiple languages.
4601 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
4603 Fix PR tree-optimization/22444
4604 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4605 Assert that we don't hit something with subvars.
4606 (setup_pointers_and_addressables): Don't add things with subvars,
4607 because we'll already process the subvars for aliasing purposes.
4609 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
4612 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4613 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4614 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4615 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4616 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4617 swapped, alternatives for the R constraint.
4620 * builtins.c (get_builtin_sync_mode): Make unlimited
4621 mode_for_size request.
4623 2005-10-15 Richard Henderson <rth@redhat.com>
4625 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4626 (gimplify_expr): ... here.
4627 (gimplify_compound_lval): Use it in initial scan loop. Allow
4628 fb_lvalue in base expression.
4630 2005-10-15 Richard Henderson <rth@redhat.com>
4633 * builtins.c (expand_builtin_trap): Export.
4634 * expr.h (expand_builtin_trap): Declare.
4635 * expr.c (expand_assignment): Emit a trap for integral offsets
4636 from registers that weren't reduced to bitpos.
4638 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4639 (mark_array_ref_addressable): Remove.
4640 * tree-flow.h (mark_array_ref_addressable): Remove.
4641 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4643 2005-10-15 James E Wilson <wilson@specifix.com>
4646 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
4647 (add_dependence_list_and_free): Likewise.
4648 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4651 2005-10-15 Diego Novillo <dnovillo@redhat.com>
4655 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4656 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4658 (vrp_visit_phi_node): Only prevent infinite iterations when
4659 the previous result and the new result are both VR_RANGEs.
4661 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
4663 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4666 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4669 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4672 2005-10-14 Per Bothner <per@bothner.com>
4674 PR preprocessor/21250
4675 * c-ppoutput.c (print_line): Print internal line 0 as 1.
4677 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
4680 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4681 overflow flags. Refactor some conditionals.
4683 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
4686 * tree-dfa.c (add_referenced_var): Only look at decls which
4687 have TREE_CONSTANT or TREE_READONLY set instead of if
4688 !TREE_PUBLIC or !TREE_CONSTANT.
4690 2005-10-13 James E Wilson <wilson@specifix.com>
4692 * doc/invoke.texi: For -x, add f95-cpp-input.
4693 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4695 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
4697 PR tree-optimization/24262
4698 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4699 in loop all the time.
4701 2005-10-12 Richard Henderson <rth@redhat.com>
4704 * tree.h (DECL_TRANSPARENT_UNION): Remove.
4705 * function.c (assign_parm_find_data_types): Don't support it.
4706 * print-tree.c (print_node): Likewise.
4707 * c-common.c (handle_transparent_union_attribute): Likewise.
4708 Use build_duplicate_type.
4709 * tree-inline.c (remap_type_1): Split out of remap_type;
4710 properly remap aggregate fields.
4711 (build_duplicate_type): New.
4712 * doc/extend.texi (Variable Attributes): Remove documentation
4713 for transparent_union.
4715 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4718 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4719 (gen_stack_pointer_dec): Likewise.
4721 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
4725 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4727 (struct cxx): Add adjust_class_at_definition target hook.
4728 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4729 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4730 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4731 hook_void_tree. Add to TARGET_CXX.
4732 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4734 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4735 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4736 instead of attribute. Check for dllexport override. Warn if
4737 inconsistent dll linkage. Don't lose old dllimport if decl has
4738 had address referenced. Tweak lookup of dllimport atribute.
4739 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4740 for target specific rules. Don't add dllimport attribute if
4741 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
4742 dllimport attribute.
4743 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4744 * varasm.c (initializer_constant_valid_p): Replace
4745 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4749 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4750 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4751 (i[34567]86-*-mingw32*): Likewise.
4753 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4754 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4756 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4757 C++-specific code. Change return value to bool.
4758 (i386_pe_dllimport_p): Likewise.
4759 (associated_type): Simplify and make language-independent
4760 (i386_pe_encode_section_info): Replace override of ambiguous
4761 dllimport symbol refs with a gcc_assert.
4762 (i386_pe_valid_dllimport_attribute_p): Define.
4763 * config/i386/winnt-cxx.c: New file. Define C++ versions of
4764 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4765 i386_pe_adjust_class_at_definition.
4766 * config/i386/winnt-stubs.c: New file. Define stub versions of
4767 lang-specific functions.
4768 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4769 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4770 i386_pe_adjust_class_at_definition.
4771 (i386_pe_valid_dllimport_attribute_p): Declare.
4772 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4773 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4774 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4777 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4778 dllimport attribute with test of DECL_DLLIMPORT_P.
4780 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
4782 * combine.c (make_extraction): Correct offset computation.
4784 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
4786 * config/cris/t-linux (LIMITS_H_TEST): Define.
4788 2005-10-12 Richard Henderson <rth@redhat.com>
4791 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4793 2005-10-12 Richard Guenther <rguenther@suse.de>
4795 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4797 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
4800 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4801 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4804 2005-10-12 Richard Guenther <rguenther@suse.de>
4807 * varasm.c (output_constant): Correct typo from previous
4810 2005-10-11 Ian Lance Taylor <ian@airs.com>
4812 PR rtl-optimization/13931
4813 * combine.c: Revert patch of 2003-05-14, and:
4814 (try_combine): Only set elim_i1 and elim_i2 if the destination is
4815 completely killed in the appropriate insn.
4816 (distribute_notes): Don't skip multiple hard register test for
4817 elim_i1 and elim_i2.
4819 2005-10-11 Richard Henderson <rth@redhat.com>
4822 * c-typeck.c (convert_for_assignment): Use build_constructor_single
4823 to initialize a transparent union instead of a nop_expr.
4825 2005-10-11 Richard Henderson <rth@redhat.com>
4827 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4828 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4829 (tree_ssa_dce_loop): Call scev_reset.
4832 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4833 * tree-ssa-dce.c: Include cfgloop.h.
4834 (tree_ssa_dce_loop, pass_dce_loop): New.
4835 * tree-pass.h (pass_dce_loop): Declare it.
4836 * passes.c (init_optimization_passes): Use it.
4838 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4841 * convert.c (convert_to_real): Revert 2005-10-05 patch.
4842 Only apply the optimization for rounding builtins if the inner
4843 cast is also an extension.
4845 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
4848 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4849 mark_new_vars_to_rename instead of update_stmt.
4851 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
4853 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4855 2005-10-11 Jakub Jelinek <jakub@redhat.com>
4857 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4858 for setting MMX register to 0 rather than mmx.
4860 2005-10-10 Steve Ellcey <sje@cup.hp.com>
4863 * configure.ac: Move gas check from mips specific case to common case.
4864 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4865 * configure: Regenerate
4866 * doc/install.texi: Update.
4868 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4871 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4873 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
4875 * gcc.c (do_spec_1): Accept numeric characters in file name
4878 2005-10-10 Nick Clifton <nickc@redhat.com>
4880 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
4881 describing the deleted arm_gen_rotated_half_load function.
4883 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
4885 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4888 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
4890 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4892 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4893 (EXTRA_MULTILIB_PARTS): Define.
4894 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4895 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4896 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4897 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4898 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4899 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4901 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
4903 PR tree-optimization/24226
4904 * tree-cfg.c (remove_bb): Clean up unreachable loops.
4905 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4906 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4909 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4911 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4913 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
4916 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4917 Rewrite for no need for the early clobber.
4919 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4921 Merge from csl-arm-branch:
4922 2005-09-07 Paul Brook <paul@codesourcery.com>
4923 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4926 2005-04-30 Paul Brook <paul@codesourcery.com>
4927 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4928 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4930 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
4931 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4932 (arm_override_options): Use TARGET_AAPCS_BASED.
4933 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4934 (PTRDIFF_TYPE): Use int for AAPCS.
4935 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4936 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4937 (DEFAULT_SHORT_ENUMS): Delete.
4938 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4940 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
4941 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4942 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4943 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4945 2004-12-03 Mark Mitchell <mark@codesourcery.com>
4946 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4948 2004-11-22 Mark Mitchell <mark@codesourcery.com>
4949 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4951 2004-11-19 Mark Mitchell <mark@codesourcery.com>
4952 * config.gcc (arm*-*-linux-gnueabi): Add it.
4953 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4955 (TARGET_OS_CPP_BUILTINS): Likeiwse.
4956 * config/arm/linux-eabi.h: New file.
4957 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4958 (LINUX_TARET_LINK_SPEC): Likewise.
4959 (LINK_SPEC): Use it.
4960 * config/arm/t-linux-eabi: New file.
4962 2005-10-08 Steven Bosscher <stevenb@suse.de>
4965 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4967 (PARAM_SMS_DFA_HISTORY): Likewise.
4969 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4972 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4973 (load_register_parameters): Call it.
4974 (check_sibcall_argument_overlap_1): Likewise.
4975 (store_one_arg): Likewise.
4977 2005-10-07 James E. Wilson <wilson@specifix.com>
4979 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4980 DImode not VECINT24 for operand 2.
4983 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4987 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4988 fr_spill): Use destination_operand for operand 0.
4990 2005-10-07 DJ Delorie <dj@redhat.com>
4992 * varasm.c (output_constant): Limit error to expanding
4995 2005-10-07 Richard Guenther <rguenther@suse.de>
4998 * fold-const.c (fold_binary): Fix operand types during folding
4999 of X op (A, Y). Evaluation order of the side-effects of
5000 X and A are frontend-defined, so ensure we honour that even for
5001 tcc_comparison class operands; eased by removing duplicate code.
5003 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5005 * stor-layout.c (layout_type): Do not allow alignment of array
5006 elements to be greater than their size.
5008 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5010 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5012 (hppa*-*-linux*): Ditto.
5013 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5014 * config/host-hpux.c: New.
5015 * config/x-hpux: New.
5016 * config/pa/x-hpux: Remove.
5017 * config/pa/x-linux: Remove.
5018 * config/pa/pa-host.c: Remove.
5020 2005-10-07 Jeff Law <law@redhat.com>
5022 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5023 determine whether or not to try and thread outgoing edges.
5025 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5027 * config/rs6000/rs6000.md (eqsi_power): New.
5028 (neg_eq0si): Add TARGET_POWER to final condition.
5031 2005-10-06 Richard Henderson <rth@redhat.com>
5033 * config/rs6000/rs6000.c: Revert last change.
5035 2005-10-06 Richard Henderson <rth@redhat.com>
5037 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5038 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5040 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5044 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5045 out return_label and naked_return_label.
5047 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5049 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5052 2005-10-06 Richard Henderson <rth@redhat.com>
5055 * tree-inline.c (declare_return_variable): Handle modify_dest not
5058 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5060 Fix PR tree-optimization/22488
5061 * tree-ssa-structalias.c (check_for_overlaps): New function.
5062 (create_variable_info_for): Use it.
5064 2005-10-06 Richard Henderson <rth@redhat.com>
5067 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5068 (dwarf2out_start_source_file): Print it.
5070 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5072 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5074 2005-10-06 Richard Henderson <rth@redhat.com>
5077 * mode-switching.c (optimize_mode_switching): Clear transp bit
5078 for block with incomming abnormal edges.
5080 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5081 (fpscr_set_from_mem): Use them.
5082 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5083 (fpscr postinc splitters): Rewrite as peephole2+split.
5085 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5087 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5088 (eq<mode>_compare): Same.
5090 2005-10-06 Richard Guenther <rguenther@suse.de>
5092 PR tree-optimization/24238
5093 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5095 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5097 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5098 here. Use AC_PATH_PROG for environment variables instead of
5100 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5102 * configure: Regenerated.
5104 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5107 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5108 then force it into a register.
5109 (call_value): Likewise.
5111 2005-10-06 Richard Henderson <rth@redhat.com>
5114 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5115 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5116 under pass_vectorize.
5118 2005-10-05 Devang Patel <dpatel@apple.com>
5121 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5122 handling constants. Check NAMESPACE_DECL context for constants.
5124 2005-10-05 Eric Christopher <echristo@apple.com>
5126 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5128 2005-10-05 Richard Henderson <rth@redhat.com>
5131 * tree-cfg.c (mark_array_ref_addressable_1): New.
5132 (mark_array_ref_addressable): New.
5133 * tree-flow.h (mark_array_ref_addressable): Declare.
5134 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5136 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5140 * reload.c (subst_reloads): When adding a REG_LABEL to a
5141 jump instruction, also update JUMP_LABEL.
5143 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5145 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5146 * bb-reorder.c (copy_bb_p): Use it.
5147 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5149 2005-10-05 Richard Henderson <rth@redhat.com>
5152 * toplev.c (process_options): Warn about unsupported combinations
5153 of unwind tables and omit-frame-pointer.
5154 * config/i386/i386.c (override_options): Similarly. Enable
5155 accumulate-outgoing-args if not explicitly disabled.
5157 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5159 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5160 Handle big endian vs. small endian.
5161 (vec_initv2sf): Handle big endian vs. small endian.
5162 (*vec_extractv2sf_1): Ditto.
5164 2005-10-05 Dale Johannesen <dalej@apple.com>
5166 * convert.c (convert_to_real): Don't convert
5167 (float)floor(double d) to floorf((float)d).
5169 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5171 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5173 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5175 PR tree-optimization/18587
5176 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5177 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5178 build_vuses): Change to VEC type.
5179 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5180 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5181 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5182 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5183 (get_name_decl): New. Return DECL_UID of base variable.
5184 (operand_build_cmp): New. qsort comparison routine.
5185 (operand_build_sort_virtual): New. Sort virtual build vector.
5186 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5187 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5188 (FINALIZE_BASE): Use get_name_decl.
5189 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5190 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5191 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5192 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5193 direct VEC_* manipulations.
5194 (build_ssa_operands): Call operand_build_sort_virtual.
5195 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5196 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5197 with direct VEC_* manipulations.
5198 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5199 with direct VEC manipulations.
5201 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5203 PR tree-optimization/21419
5204 PR tree-optimization/24146
5205 PR tree-optimization/24151
5207 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5208 (build_asm_expr): Call it if outputs are read-only.
5209 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5211 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5212 Paolo Bonzini <bonzini@gnu.org>
5216 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5217 enable the instructions and not just the built-ins.
5218 * doc/invoke.texi (x86 Options): Likewise.
5220 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5222 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5224 * doc/invoke.texi (Option Summary): Correct spelling
5225 of -mmacosx-version-min.
5227 2005-10-04 Devang Patel <dpatel@apple.com>
5229 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5232 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5234 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5235 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5237 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5239 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5240 ("TE","tg"): New mode attributes.
5241 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5242 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5243 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5244 dword_mode and one for GPRmode.
5246 2005-10-04 Ian Lance Taylor <ian@airs.com>
5248 PR preprocessor/13726
5249 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5250 any comments passed in.
5252 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5254 * tree.c (annotate_with_file_line): Fix typo.
5256 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5259 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5260 type used to access data in the inlined length == 1 case, use
5261 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5262 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5264 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5266 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5267 TARGET_SSE3 and only for TARGET_80387.
5268 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5269 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5270 Do not depend on TARGET_80387.
5272 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5274 * tree.c (last_annotated_node): Change type to location_t*.
5275 (annotate_with_file_line): Reflect the change of
5276 last_annotated_node type.
5278 2005-10-04 Richard Guenther <rguenther@suse.de>
5281 * c-decl.c (grokdeclarator): Don't write to fields
5284 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5287 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5289 * varasm.c (make_decl_rtl): If a register variable does not
5290 have a set user assmbler name, error out.
5291 Decode the asmspec is now name+1 bypassing '*'.
5293 2005-10-04 Steven Bosscher <stevenb@suse.de>
5295 PR tree-optimization/23049
5296 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5297 of a COND_EXPR is folded before calling fold on the whole rhs of a
5298 conditional assignment.
5299 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5300 document that a COND_EXPR may appear there.
5302 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5305 * tree-vrp.c (extract_range_from_assert): If the new numeric
5306 range created out of the assertion contradicts the existing
5307 numeric range of the ASSERT_EXPR variable, make the new range
5310 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5312 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5313 from T_REGS to FP register class.
5315 2005-10-03 Richard Henderson <rth@redhat.com>
5318 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5319 before creating a new one.
5321 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5323 * config/rs6000/t-aix43 (LDFLAGS): New.
5324 * config/rs6000/t-aix52 (LDFLAGS): New.
5326 2005-10-03 Ian Lance Taylor <ian@airs.com>
5328 * gimplify.c (find_single_pointer_decl_1): New static function.
5329 (find_single_pointer_decl): New static function.
5330 (internal_get_tmp_var): For a formal variable, set restrict base
5331 information if appropriate.
5332 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5334 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5335 (DECL_GET_RESTRICT_BASE): Define.
5336 (SET_DECL_RESTRICT_BASE): Define.
5337 (decl_restrict_base_lookup): Declare.
5338 (decl_restrict_base_insert): Declare.
5339 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5340 * tree.c (restrict_base_for_decl): New static variable.
5341 (init_ttree): Initialize restrict_base_for_decl.
5342 (copy_node_stat): Copy restrict base information.
5343 (decl_restrict_base_lookup): New function.
5344 (decl_restrict_base_insert): New function.
5345 (print_restrict_base_statistics): New static function.
5346 (dump_tree_statistics): Call print_restrict_base_statistics.
5348 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5351 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5352 case of anti-ranges.
5354 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5357 * c-typeck.c (tagged_tu_seen): Rename to ...
5358 (tagged_tu_seen_cache): this and add val field.
5359 (comptypes): Move functional to comptypes_internal
5360 and free tagged_tu_seen.
5361 (comptypes_internal): New function and call comptypes_internal
5362 instead of comptypes. Speed up by sibcalling
5363 tagged_types_tu_compatible_p.
5364 (alloc_tagged_tu_seen): New function
5365 (free_all_tagged_tu_seen_up_to): New function.
5366 (tagged_types_tu_compatible_p): Return the val of the seen two
5368 Add that the two types are the same to tagged_tu_seen_base
5369 if they are and call comptypes_internal instead of comptypes.
5370 <case UNION_TYPE>: Speed up common type where the fields are
5372 (function_types_compatible_p): Call comptypes_internal instead of
5374 (type_lists_compatible_p): Likewise.
5375 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5377 2005-10-02 Matthias Klose <doko@debian.org>
5379 * doc/invoke.texi: Fix typo and speling error.
5381 2005-10-01 Richard Henderson <rth@redhat.com>
5383 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5385 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5387 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5388 using --start-group and --end-group.
5390 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5392 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5393 FIXME note regarding quirky semantics.
5395 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5398 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5399 non-null range as a last resort.
5401 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
5402 Diego Novillo <dnovillo@redhat.com>
5405 * tree-vrp.c (extract_range_from_assert): For !=
5406 assertions, only build an anti-range if LIMIT is a
5407 single-valued range.
5409 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
5411 * arm.md (movqi): On thumb when optimizing, handle loading from
5412 memory by describing this as taking a subreg of a zero-extended load
5413 into an SImode register.
5416 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
5418 * reload1.c (merge_assigned_reloads): Do not change any
5419 RELOAD_FOR_OUTPUT_ADDRESS reloads.
5421 2005-09-30 Geoffrey Keating <geoffk@apple.com>
5423 * Makefile.in (LIPO_FOR_TARGET): Define.
5424 (STRIP_FOR_TARGET): Define.
5426 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5427 before creating new ones. Do symlinks before creating the actual
5430 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5431 to work out which multilibs are actually being built.
5433 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
5435 * tree-vect-transform.c, config/ms1/ms1.md,
5436 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5437 Follow spelling conventions.
5438 * doc/invoke.texi, doc/md.texi: Fix typos.
5440 2005-09-30 Andrew Macleod <amacleod@redat.com>
5442 PR tree-optimization/21430
5443 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5444 use operands, and set stmt pointer if need be.
5445 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5446 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5449 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5452 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5454 2005-09-29 Mark Mitchell <mark@codesourcery.com>
5456 * optabs.c (expand_binop): Initialize first_pass_p.
5458 2005-09-29 Jakub Jelinek <jakub@redhat.com>
5461 * c-decl.c (c_write_global_declarations_1): If any
5462 wrapup_global_declaration_2 call returned true, restart the loop.
5464 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
5466 Fix PR tree-optimization/24117
5467 * tree-ssa-structalias.c (find_func_aliases): Strip nops
5468 before considering whether to use anyoffset.
5470 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5474 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5476 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5478 (swap_commutative_operands_with_target): New.
5480 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5483 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5486 2005-09-29 Steven Bosscher <stevenb@suse.de>
5488 PR tree-optimization/23911
5489 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5490 and IMAGPART_EXPR too.
5492 2005-09-28 Mark Mitchell <mark@codesourcery.com>
5495 * expmed.c (expand_shift): Move logic to reverse rotation
5496 direction when rotating by constants ...
5497 * optabs.c (expand_binop): ... here.
5498 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5499 (ix86_rotrdi3): New pattern.
5500 (rotldi3): Handle 32-bit mode.
5501 (ix86_rotldi3): New pattern.
5503 2005-09-29 Alan Modra <amodra@bigpond.net.au>
5506 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5507 check for numbers that need no bit twiddle.
5509 2005-09-28 Geoffrey Keating <geoffk@apple.com>
5511 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5512 multilib to be built.
5514 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5515 (stage1-start): Delete old libgcc and libunwind before moving
5516 anything into the stage directory.
5517 (stage2-start): Likewise.
5518 (stage3-start): Likewise.
5519 (stage4-start): Likewise.
5520 (stageprofile-start): Likewise.
5521 (stagefeedback-start): Likewise.
5522 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5523 header in tm_file and CPU-specific t-darwin in tmake_file.
5524 (i[34567]86-*-darwin*): Don't change tm_file.
5525 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5526 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5527 shared library stub for target OS version.
5528 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5529 (SHLIB_LINK): Don't make SHLIB_SOLINK.
5530 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5531 (libgcc_s.%.dylib): New.
5533 (install-darwin-libgcc-stubs): New.
5534 (INSTALL_LIBGCC): New append.
5535 * config/i386/darwin-libgcc.10.4.ver: New.
5536 * config/i386/darwin-libgcc.10.5.ver: New.
5537 * config/i386/t-darwin: New.
5538 * config/rs6000/darwin-libgcc.10.4.ver: New.
5539 * config/rs6000/darwin-libgcc.10.5.ver: New.
5540 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5541 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5543 2005-09-28 Paul Brook <paul@codesourcery.com>
5545 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5548 2005-09-28 Richard Guenther <rguenther@suse.de>
5550 PR tree-optimization/23853
5551 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5552 host_integerp to verify misalignment value.
5554 2005-09-28 Richard Henderson <rth@redhat.com>
5556 * builtins.c (get_builtin_sync_mode): New.
5557 (expand_builtin_sync_operation): Pass in mode argument.
5558 (expand_builtin_compare_and_swap): Likewise.
5559 (expand_builtin_lock_test_and_set): Likewise.
5560 (expand_builtin_lock_release): Likewise.
5561 (expand_builtin): Update to match.
5563 2005-09-28 Nick Clifton <nickc@redhat.com>
5565 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5566 formatting. Add check to PLUS case to ensure that the offset is
5567 within an acceptable range.
5569 * config/v850/v850.md (casesi): Disable the generation of the
5570 switch pattern as it is not being handled properly at the moment.
5572 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5573 for when the high words are identical.
5575 2005-09-27 Richard Henderson <rth@redhat.com>
5577 * pretty-print.c (pp_base_format): Fix typo for %>.
5579 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
5580 Devang Patel <dpatel@apple.com>
5582 PR tree-optimization/23625
5583 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5584 LABEL_EXPR, assertion check.
5586 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
5588 * optabs.c (no_conflict_move_test): Check if a result of a
5589 to-be-moved insn would be clobbered by an originally
5592 2005-09-27 Jeff Law <law@redhat.com>
5594 * passes.c (init_optimization_passes): Replace copy propagation
5595 passes immediately after DOM with phi-only copy propagation
5596 pases. Add phi-only copy propagation pass after first DOM pass.
5597 * tree-pass.h (pass_phi_only_copy_prop): Declare.
5598 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5599 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5600 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
5601 to init_copy_prop. Callers updated.
5602 (do_phi_only_copy_prop): New function.
5603 (pass_phi_only_copy_prop): New pass descriptor.
5605 2005-09-27 Nick Clifton <nickc@redhat.com>
5607 * libgcc2.c (__popcount_tab): Remove redundant prototype.
5609 2005-09-26 Jason Merrill <jason@redhat.com>
5612 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5614 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5616 2005-09-26 James E Wilson <wilson@specifix.com>
5618 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5619 copyright. Add gcc copyright plus libgcc exception.
5620 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
5622 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5624 2005-09-26 Jeff Law <law@redhat.com>
5626 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5627 about when to iterate.
5629 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
5632 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5633 for __complex__ double in -mcpu=G5 mode.
5635 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
5637 PR tree-optimization/23942
5638 * Makefile.in (SCEV_H): Depends on PARAMS_H.
5639 * tree-scalar-evolution.c: Include params.h.
5641 (follow_ssa_edge, follow_ssa_edge_in_rhs,
5642 follow_ssa_edge_in_condition_phi_branch,
5643 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5644 Change return type to t_bool. Use a parameter to limit the size of
5645 trees that are walked before stopping
5646 (analyze_evolution_in_loop): Initialize the limit to 0.
5647 (follow_ssa_edge): Give up by returning t_dont_know if the limit
5648 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5650 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5653 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5654 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5656 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
5658 * combine.c (make_extraction): Check for valid use of subreg.
5660 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5663 * config/i386/i386.md ("*fistdi2_1"): New pattern.
5664 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5665 ("fist<mode>2_with_temp"): Use only register operands.
5667 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
5669 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5670 CALL_INSN_FUNCTION_USAGE.
5672 2005-09-26 Richard Guenther <rguenther@suse.de>
5675 * gcse.c: Include hashtab.h, define ldst entry hashtable.
5676 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5677 (ldst_entry): Use the hashtable instead of list-walking.
5678 (find_rtx_in_ldst): Likewise.
5679 (free_ldst_entry): Free the hashtable.
5680 (compute_ld_motion_mems): Create the hashtable.
5681 (trim_ld_motion_mems): Remove entry from hashtable if
5682 removing it from list.
5683 (compute_store_table): Likewise^2.
5684 (store_motion): Free hashtable in case we did not see
5687 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
5689 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5690 and arg1 if we are passing them to fold_build2.
5692 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
5695 * config/i386/i386.c (ix86_function_regparm): Fix the test for
5698 2005-09-25 Richard Henderson <rth@redhat.com>
5700 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5701 SYMBOL_REF_TLS_MODEL to be correct.
5703 2005-09-24 Richard Henderson <rth@redhat.com>
5705 * ipa-type-escape.c (discover_unique_type): Remove dead code at
5706 end of function. Reindent.
5708 2005-09-24 Ian Lance Taylor <ian@airs.com>
5710 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5711 NEGATE_EXPR/BIT_NOT_EXPR case.
5713 2005-09-24 Richard Henderson <rth@redhat.com>
5715 * c-common.c (handle_mode_attribute): When not modifying in place,
5716 create subtypes for enumerations.
5717 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5718 * gimplify.c (create_tmp_from_val): Likewise.
5720 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
5722 * config/i386/i386.md (*tls_global_dynamic_64,
5723 *tls_local_dynamic_base_64): Add missing mode to call.
5724 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5726 2005-09-24 Jan Hubicka <jh@suse.cz>
5728 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5729 (cgraph_clone_node): Likewise.
5730 * cgraph.h (cgraph_clone_edge): Update prototype.
5731 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5732 duplicated prototypes; add updating argument.
5733 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5734 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5736 (cgraph_mark_inline_edge): Likewise.
5737 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5738 (cgraph_flatten_node): Likewise.
5739 (cgraph_decide_recursive_inlining): Likewise.
5740 (cgraph_decide_inlining_of_small_function): Likewise.
5741 * tree-optimize.c (tree_rest_of_compilation): Likewise.
5743 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5744 Pete Steinmetz <steinmtz@us.ibm.com>
5746 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5747 (rldic.): Set type to "compare".
5749 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
5750 mfjmpr for MFCTR/MFLR.
5751 (movdf_hardfloat64): Same.
5752 (movdf_softfloat64): Same. Correct order of store and move types.
5753 (movti_string): Set type to store_ux/load_ux.
5754 (load_multiple): Set type to load_ux.
5755 (store_multiple): Set type to store_ux.
5756 (movmemsi): Set type to store_ux.
5757 (output_cbranch direct_return): Set type to jmpreg.
5758 (stmw): Set type to store_ux.
5759 (lmw): Set type to load_ux.
5760 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5761 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5762 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5763 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5764 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5765 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5766 (rios1-fpstore): Increase latency to 3.
5767 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5768 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5770 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5771 Andrew Pinski <pinskia@physics.uc.edu>
5773 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5774 operand2 constraint to "b".
5775 (sync_<fetchop_name>di_internal): Same.
5776 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5778 (sync_old_<fetchop_name>di_internal): Same.
5779 (sync_new_<fetchop_name>si_internal): Same.
5780 (sync_new_<fetchop_name>di_internal): Same.
5782 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
5785 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5786 case, define as macros.
5788 PR rtl-optimization/23837
5789 * optabs.c (no_conflict_move_test): Don't set must_stay for a
5790 clobber / clobber match between dest and p->first.
5792 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5793 (no_conflict_move_test): Update comments.
5795 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5797 * doc/install.texi: Update URL for Jacks.
5798 * doc/sourcebuild.texi: Likewise.
5800 2005-09-22 David Edelsohn <edelsohn@gnu.org>
5803 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5804 registers when choosing register preferences.
5805 (movdf_hardfloat64): Same.
5807 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
5809 * expmed.c (expand_shift): Don't use the target of the rotate as
5810 target for the first expanded shift insn.
5811 * testsuite/gcc.dg/20050922-1.c: Testcase added.
5813 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
5815 PR tree-optimization/22438
5816 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5817 preserved iv rhs rewriting specially.
5819 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
5821 * tree-data-ref.c (analyze_array_indexes): Only estimate when
5822 estimate_only is true.
5823 * tree-flow.h (ref_contains_indirect_ref): New prototype.
5824 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5825 tree-ssa-structalias.c
5826 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5827 ref_contains_indirect_ref.
5828 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5830 2005-09-21 DJ Delorie <dj@redhat.com>
5832 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5834 (mn10300_return_in_memory): Support variable size types also.
5835 (mn10300_pass_by_reference): Likewise.
5836 (mn10300_function_value): New.
5837 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5838 (FUNCTION_OUTGOING_VALUE): Likewise.
5839 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5840 * doc/invoke.texi: Document it.
5842 2005-09-21 Uros Bizjak <uros@kss-loka.si>
5845 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5846 force integer op1 into register for XFmode compares.
5848 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5851 * expmed.c (alg_code): Add alg_impossible.
5852 (alg_hash_entry): Add cost.
5853 (synth_mult): Record alg_impossible in the hash table if
5854 multiplication by a given integer is impossble within the
5855 limit. Speed up using alg_impossible.
5857 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5859 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5860 argument. Allow and set any offset if needs_anyoffset is passed
5862 (get_constraint_for): Add argument here too.
5864 (do_structure_copy): Pass NULL to get_constraint_for.
5865 (handle_ptr_arith): Ditto.
5866 (find_func_aliases): Ditto.
5868 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
5870 PR rtl-optimization/23898
5871 * output.h (get_attr_min_length): Declare.
5872 * final.c (get_attr_length_1): New function, broken out of:
5874 (get_attr_min_length): New function.
5875 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5876 (duplicate_computed_gotos): Likewise.
5877 * genattr.c (insn_min_length): Generate declaration.
5878 * genattrtab.c (min_fn, min_attr_value): New functions.
5879 (make_length_attrs): Generate insn_min_length.
5881 2005-09-20 Steve Ellcey <sje@cup.hp.com>
5883 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5885 2005-09-20 Richard Henderson <rth@redhat.com>
5887 PR tree-optimization/24059
5888 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5891 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
5893 * c.opt (fextended-identifiers): New.
5894 * c-opts.c (c_common_handle_option): Handle
5895 -fextended-identifiers.
5896 * doc/cpp.texi: Update documentation of extended identifiers.
5897 * doc/cppopts.texi (-fextended-identifiers): Document.
5899 2005-09-20 Jakub Jelinek <jakub@redhat.com>
5901 PR tree-optimization/23929
5902 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5905 PR tree-optimization/23818
5906 * tree-stdarg.c (execute_optimize_stdarg): Call
5907 calculate_dominance_info.
5909 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5911 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5912 (analyze_siv_subscript_cst_affine): Add weak SIV test.
5913 (compute_overlap_steps_for_affine_1_2): Use
5914 get_number_of_iters_for_loop.
5915 (analyze_subscript_affine_affine): Check whether difference is
5917 Use get_number_of_iters_for_loop.
5918 Check whether overlap occurs outside of bounds.
5919 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5921 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
5923 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5924 base register if possible.
5926 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
5928 PR tree-optimization/18463
5929 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5930 converting it directly is not possible.
5931 (chrec_convert_aggressive): New function.
5932 * tree-chrec.h (chrec_convert_aggressive): Declare.
5933 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5934 Fold chrec conversions aggressively if asked to.
5935 (instantiate_parameters): Modified because of changes in
5936 instantiate_parameters_1.
5938 2005-09-19 Richard Henderson <rth@redhat.com>
5940 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5941 (reduc_splus_v2df): New.
5943 2005-09-19 Richard Sandiford <richard@codesourcery.com>
5945 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5946 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
5948 2005-09-19 Richard Henderson <rth@redhat.com>
5950 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5953 2005-09-19 Richard Henderson <rth@redhat.com>
5955 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5956 (ia64_expand_dot_prod_v8qi): New.
5957 * config/ia64/ia64-protos.h: Update.
5958 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5959 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5960 sdot_prodv8qi, sdot_prodv4hi): New.
5961 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5963 2005-09-19 Richard Henderson <rth@redhat.com>
5966 * real.c (exact_real_truncate): Return false if the format cannot
5967 represent the number as a normal.
5969 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5970 for a memory source.
5972 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
5974 * tree-ssa-operands.c (swap_tree_operands): Export.
5975 * tree.h (swap_tree_operands): Declare.
5976 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5977 Call swap_tree_operands.
5979 2005-09-19 Richard Henderson <rth@redhat.com>
5981 * tree-flow.h (merge_alias_info): Declare.
5982 * tree-ssa-copy.c (merge_alias_info): Export.
5983 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5984 (vect_create_data_ref_ptr): Use create_iv directly.
5985 (vectorizable_load): Use correct types for integer constants.
5986 (vect_generate_tmps_on_preheader): Likewise.
5987 (vect_gen_niters_for_prolog_loop): Likewise.
5989 2005-09-19 Steven Bosscher <stevenb@suse.de>
5991 PR rtl-optimization/23943
5992 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5994 2005-09-18 Jan Hubicka <jh@suse.cz>
5996 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5998 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
6000 * varasm.c (output_constant): Do not abort on conversions to union
6001 types between different sizes.
6003 2005-09-18 Richard Guenther <rguenther@suse.de>
6006 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6009 2005-09-18 Paul Brook <paul@codesourcery.com>
6011 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6013 2005-09-17 Richard Henderson <rth@redhat.com>
6015 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6016 * tree-ssa-loop.c (pass_vect_dce): Remove.
6017 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6020 2005-09-17 Richard Henderson <rth@redhat.com>
6022 * tree-pass.h (pass_vect_dce): Declare.
6023 * passes.c (init_optimization_passes): Add it.
6024 * tree-flow.h (tree_ssa_dce): Declare.
6025 * tree-ssa-dce.c (tree_ssa_dce): Export.
6026 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6027 (gate_tree_vectorize): ... here.
6028 (pass_vect_dce): New.
6030 2005-09-17 Jan Hubicka <jh@suse.cz>
6032 * except.c (struct eh_status): Turn region_array into vec.
6033 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6034 convert_from_eh_region_ranges, find_exception_handler_labels,
6035 current_function_has_exception_handlers, assign_filter_values,
6036 build_post_landing_pads, dw2_build_landing_pads,
6037 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6038 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6039 foreach_reachable_handler, can_throw_internal_1,
6040 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6042 (duplicate_eh_region_1): Update region_array.
6043 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6045 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6048 * expmed.c (expand_mult): Substitute simple register for op0 when
6051 2005-09-17 Richard Henderson <rth@redhat.com>
6053 * expr.c (emit_move_via_integer): Add force argument, pass it on
6054 to emit_move_change_mode. Update callers.
6055 (emit_move_complex): Pass true to new force argument.
6056 * function.c (expand_function_end): Move expand_eh_return call
6057 earlier. Merge sub-word complex values into a pseudo before
6058 copying to the return hard register.
6060 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6062 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6063 between different sizes.
6065 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6069 * passes.c (init_optimization_passes): Register dump files for
6072 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6074 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6075 * config/s390/s390.c (s390_overlap_p): New function.
6076 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6077 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6080 2005-09-16 Richard Guenther <rguenther@suse.de>
6082 * ipa-pure-const.c (static_execute): Free auxiliar information.
6083 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6084 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6086 2005-09-15 DJ Delorie <dj@redhat.com>
6088 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6090 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6092 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6094 (swap_commutative_operands_with_target): New.
6096 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6098 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6101 (estimate_iters_using_array): New function.
6102 * tree-data-ref.h (estimate_iters_using_array): Prototype
6103 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6104 Use estimate_iters_using_array instead of analyze_array.
6106 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6108 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6111 2005-09-15 Michael Matz <matz@suse.de>
6113 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6115 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6117 PR tree-optimization/23835
6118 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6119 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6121 2005-09-14 Richard Henderson <rth@redhat.com>
6123 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6124 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6126 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6128 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6129 in the ARRAY_TYPE case.
6131 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6133 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6135 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6138 * tree-vect-transform.c (vectorizable_operation): Return false for
6139 scalar shift operations and for vector shift operations with
6140 non-invariant shift arguments. Use scalar tree operand op1 as
6141 a shift operand when vector shift insn pattern uses scalar shift
6143 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6145 2005-09-14 Olivier Hainque <hainque@adacore.com>
6147 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6148 value if it has side-effects.
6150 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6153 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6155 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6157 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6158 passed as NAME as if it were label at start of function code.
6160 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6162 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6165 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6167 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6168 as early clobber. Rewrite so the PIC register is not implicitly used.
6170 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6172 * tree.c (annotate_with_file_line): Compare line numbers before
6175 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6178 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6179 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6181 2005-09-13 Ian Lance Taylor <ian@airs.com>
6183 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6184 than a HOST_WIDEST_INT to gen_doloop_begin.
6186 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6188 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6190 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6192 PR tree-optimize/23817
6193 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6195 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6198 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6199 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6200 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6201 (restore_stack_nonlocal): Likewise.
6202 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6204 2005-09-12 Ian Lance Taylor <ian@airs.com>
6207 * c.opt (ffriend-injection): New C++ option.
6208 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6209 (C++ Dialect Options): Document -ffriend-injection.
6211 2005-09-12 Josh Conner <jconner@apple.com>
6214 * ipa-reference.c (static_execute): Don't mark variables in
6215 named sections TREE_READONLY.
6217 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6219 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6222 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6224 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6225 V_MUST_DEF instead of just the first_use_p.
6226 Don't mark the virtual variables for renaming on the statement which
6228 (pass_dse): Remove TODO_update_ssa.
6230 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6233 * stor-layout.c (compute_record_mode): For records with a single
6234 field, actually check the field's mode size against the type size.
6236 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6237 registers for TARGET_SHMEDIA.
6238 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6239 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6240 of GENERAL_REGS and FP_REGS.
6242 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6244 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6246 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6248 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6249 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6250 are omitted. Exclude stack_tie insn too.
6252 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6254 PR rtl-optimization/23098
6255 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6257 * config/rs6000/rs6000.md (movdf splitter): Use
6258 const_double_operand predicate for TARGET_POWERPC64.
6259 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6260 SYMBOL_REF method to ABI_V4.
6262 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6263 replace_equiv_address.
6264 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6265 rs6000_sr_alias_set and MEM_NOTRAP.
6266 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6268 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6270 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6271 handle CALL_EXPR again.
6273 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6275 * arm/predicates.md (alignable_memory_operand): Delete.
6277 2005-09-10 Richard Henderson <rth@redhat.com>
6280 * dbxout.c (dbxout_expand_expr): New.
6281 (dbxout_symbol): Use it.
6283 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6285 * arm.c (arm_gen_rotated_half_load): Delete.
6286 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6287 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6288 (thumb_set_return_address): Likewise.
6289 (thumb_load_double_from_address): Use adjust_address.
6290 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6291 (extendhsisi2_mem, movhi_bytes): Use change_address.
6292 (movhi): Use widen_memory_access.
6293 (reload_out_df): Use replace_equiv_address.
6294 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6296 2005-09-09 Richard Henderson <rth@redhat.com>
6299 * dbxout.c: Include expr.h.
6300 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6301 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6302 * Makefile.in (dbxout.o): Add EXPR_H.
6304 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6306 PR tree-optimization/23509
6307 * tree-cfg.c (replace_uses_by): Use replace_exp.
6308 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6309 pointers have name_mem_tag or type_mem_tag set.
6311 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6313 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6314 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6315 of wrongly accessing operands.
6317 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6319 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6320 * tree-chrec.c: Include tree-scalar-evolution.h.
6321 (chrec_convert): Instantiate the base and step before calling
6322 scev_probably_wraps_p that would fail on parametric evolutions.
6323 Collect all the fails into a single section failed_to_convert,
6324 print a diagnostic, and return chrec_dont_know instead of calling
6326 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6327 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6329 (scev_const_prop): Don't replace the definition of a loop closed ssa
6330 phi node by itself, or by another loop closed ssa phi node.
6331 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6332 that base and step are defined.
6334 2005-09-09 Richard Guenther <rguenther@suse.de>
6337 * fold-const.c (fold_ternary): Check truth_value_p before
6338 calling invert_truthvalue.
6340 2005-09-09 Nick Clifton <nickc@redhat.com>
6342 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6343 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6344 dimension of these arrays.
6345 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6347 * longlong.h: Only provide a prototype for the __clz_tab[] array
6348 if this header has not been included from libgcc2.h.
6349 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6351 Provide prototypes for exported functions.
6352 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6355 2005-09-08 Josh Conner <jconner@apple.com>
6359 * expr.c (expand_expr_addr_expr_1): Don't invoke
6360 expand_simple_binop for EXPAND_INITIALIZER.
6362 2005-09-08 Richard Henderson <rth@redhat.com>
6365 * toplev.c (wrapup_global_declaration_1): Split out ...
6366 (wrapup_global_declaration_2): ... from ...
6367 (wrapup_global_declarations): ... here. Return bool.
6368 (check_global_declaration_1): Split out ...
6369 (check_global_declarations): from here.
6370 (emit_debug_global_declarations): New.
6371 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6372 check_global_declaration_1, emit_debug_global_declarations): Declare.
6373 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6374 of decls. Call wrapup_global_declaration_1,
6375 wrapup_global_declaration_2, check_global_declaration_1 directly.
6376 (c_write_global_declarations_2): New.
6378 (c_write_global_declarations): Call c_write_global_declarations_2.
6379 * langhooks.c (write_global_declarations): Call
6380 emit_debug_global_declarations.
6382 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6383 remove decls that have DECL_RTL_SET_P.
6384 * passes.c (rest_of_decl_compilation): Invoke
6385 cgraph_varpool_finalize_decl for all but functions.
6387 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6389 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6390 the result of a conversion if the new min and max cannot be compared.
6392 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6394 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6395 (override_options): Setting s390_sr_alias_set removed.
6396 (save_fpr, save_gprs): Set alias set to vararg or frame.
6397 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6398 s390_sr_alias_set with get_frame_alias_set ().
6399 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6400 get_varargs_alias_set ().
6402 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6406 * c-parser.c (c_parser_objc_method_definition): If the next
6407 token is not "{", error out and don't start the function.
6409 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6411 * tree-vrp.c (extract_range_from_expr): Move the check for non
6412 nullness after the check for gimple invariant.
6414 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6416 * tree.c (host_integerp, tree_low_cst): Correct function comment.
6418 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6421 * config/m32r.md (movmemsi_internal): Canonicalize order of
6422 operands in PLUS component of template.
6424 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
6426 * reload1.c (fixup_eh_region_note): Remove assertion.
6427 (fixup_abnormal_edges): Reverted removal of call to
6428 find_many_sub_basic_blocks made on 2005-08-31.
6430 2005-09-07 Richard Henderson <rth@redhat.com>
6432 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6433 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6434 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6435 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6436 rearrange for better packing.
6437 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6438 (lookup_cfa_1): Remove inline marker.
6439 (cfa_equal_p): Split out of ...
6440 (def_cfa_1): ... here. Use INVALID_REGNUM.
6441 (build_cfa_loc): Handle !cfa->indirect.
6442 (frame_pointer_cfa_offset): New.
6443 (dbx_reg_number): Assert register elimination performed; do
6444 leaf register remapping.
6445 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6446 (eliminate_reg_to_offset): New.
6447 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
6448 for verifiably local stack frame addresses; re-base to CFA.
6449 (mem_loc_descriptor): Remove can_use_fbreg argument.
6450 (concat_loc_descriptor, loc_descriptor): Likewise.
6451 (containing_function_has_frame_base): Remove.
6452 (rtl_for_decl_location): Don't do register elimination or
6453 leaf register remapping here.
6454 (secname_for_decl): Split out from ..
6455 (add_location_or_const_value_attribute): ... here.
6456 (convert_cfa_to_loc_list): New.
6457 (compute_frame_pointer_to_cfa_displacement): New.
6458 (gen_subprogram_die): Use them.
6459 * tree.h (frame_base_decl): Remove.
6460 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6461 (prologue_stack_adjust): Remove.
6462 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6463 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6464 (set_frame_base_location): Remove.
6465 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6466 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6467 (vt_add_function_parameters): Don't eliminate_regs.
6468 (vt_initialize): Don't create frame_base_decl.
6470 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6472 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6473 version of GNU binutils for 4.x and later.
6475 2005-09-06 Mark Mitchell <mark@codesourcery.com>
6477 * ggc-page.c (ggc_push_context): Remove.
6478 (ggc_pop_context): Likewise.
6479 * ggc.h (ggc_push_context): Remove.
6480 (ggc_pop_context): Likewise.
6482 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6485 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6486 returning from an interrupt handler.
6488 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6491 * config/arc/arc.c (output_shift): Add check for loop count when
6494 2005-09-06 Steven Bosscher <stevenb@suse.de>
6496 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6498 (abs_replacement): Likewise.
6499 (pass_phiopt): Remove TODO_update_ssa.
6501 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6504 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6505 if "return with no value, in function returning non-void" warning
6507 * tree-cfg.c (execute_warn_function_return): Don't look at
6508 RETURN_EXPRs with TREE_NO_WARNING set.
6511 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6512 for internal functions doesn't use registers used by global registers
6513 variables. Use fewer register parameters if there are global register
6516 2005-09-06 Olivier Hainque <hainque@adacore.com>
6517 Eric Botcazou <ebotcazou@adacore.com>
6520 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6521 when we would be extracting outside its bit span (bitpos+bitsize
6522 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6523 Ada unchecked conversions.
6525 2005-09-06 Steven Bosscher <stevenb@suse.de>
6527 * tree-ssa-pre.c (try_look_through_load): New function.
6528 (compute_avail): Use it to try to look through loads for some
6529 more useful expressions.
6531 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6533 * simplify-rtx.c (simplify_binary_operation_1): Correct the
6534 condition for detecting cases like (a&a) and (a^a).
6536 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
6538 * common.opt: Add option ftree-vect-loop-version.
6539 * params.def: Add --param vect-max-version-checks.
6540 * doc/invoke.texi: Document ftree-vect-loop-version and
6541 --param vect-max-version-checks.
6542 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6543 may_misalign_stmts and defines for accessors.
6544 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6545 LOOP_VINFO_MAY_MISALIGN_STMTS.
6546 (destroy_loop_vec_info): VEC_free for
6547 LOOP_VINFO_MAY_MISALIGN_STMTS.
6548 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6549 Update documentation.
6550 (vect_update_misalignment_for_peel): New.
6551 (vect_enhance_data_refs_alignment): Update to choose loop
6552 peeling or loop versioning if appropriate for the (potentially)
6553 unaligned data references in the loop.
6554 (vect_analyze_data_refs_alignment): Remove call to
6555 vect_enhance_data_refs_alignment so the checks can be done
6557 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6558 and move up call to vect_analyze_data_refs_alignment.
6559 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6560 (vect_transform_loop): Add call to loop_version.
6562 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6564 PR rtl-optimization/23098
6565 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6566 * simplify-rtx.c (constant_pool_reference_p): New function.
6567 * rtl.h (constant_pool_reference_p): New prototype.
6568 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6569 constant_pool_reference_p in condition and
6570 avoid_constant_pool_reference in preparation statements.
6572 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
6574 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6575 STRICT_LOW_PART SETs.
6577 2005-09-06 Alan Modra <amodra@bigpond.net.au>
6580 * except.c (sjlj_emit_function_enter): Find the function begin
6581 note even when it's not in first basic block.
6583 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
6585 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
6586 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6587 * aclocal.m4: Regenerate.
6589 2005-09-05 DJ Delorie <dj@redhat.com>
6591 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6594 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
6596 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6597 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6598 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6599 Follow spelling conventions.
6600 * doc/invoke.texi: Follow spelling conventions.
6602 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6604 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6605 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6606 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6608 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6611 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6612 (output_stack_adjust): Use gen_tmp_stack_mem.
6613 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6614 (sh_set_return_address, sh_allocate_initial_value): Likewise.
6615 (sh_get_pr_initial_val): Likewise.
6616 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6617 (sh_initialize_trampoline): Likewise. Also use adjust_address.
6618 * sh.md (divsi_inv_m0): Use gen_const_mem.
6619 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6620 (movdf_i4+1): Use gen_tmp_stack_mem.
6621 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6622 (fpu_switch+2): Likewise.
6623 (movv4sf_i, movv16sf_i): Use adjust_address.
6624 (symGOT_load): Set MEM_NOTRAP_P bit.
6626 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6629 * pa.c (emit_move_sequence): Fix typo in last change.
6631 2005-09-03 Jakub Jelinek <jakub@redhat.com>
6633 PR rtl-optimization/23454
6634 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6637 2005-09-03 Richard Henderson <rth@redhat.com>
6638 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6641 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6644 2005-09-02 Nicolas Pitre <nico@cam.org>
6646 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6647 to bit_count to 32 bits.
6649 2005-08-31 Mark Mitchell <mark@codesourcery.com>
6652 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6653 generating synthetic loads from volatile lvalues.
6655 005-09-02 Nick Clifton <nickc@redhat.com>
6657 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6658 __ctzhi2, __clzhi2): New functions.
6660 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
6663 * tree-nested.c (struct var_map_elt): Mark with GTY.
6664 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
6666 (lookup_field_for_decl): Allocate new element in GC memory.
6667 (lookup_tramp_for_decl): Likewise.
6668 (convert_nl_goto_reference): Likewise
6669 (create_nesting_tree): Allocate info in GC memory. Likewise for
6671 (free_nesting_tree): Free with ggc_free instead of free.
6672 (root): New static variable.
6673 (lower_nested_functions): Remove root as local variable. And zero out
6674 root at the end of the function.
6676 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
6678 PR rtl-optimization/20365
6679 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6680 to short. New member ix.
6681 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6682 (simplify_plus_minus): Initialize ix members before calling qsort.
6684 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
6686 PR tree-optimization/23626
6687 * tree-cfg.c (replace_uses_by): Clean up eh info.
6689 2005-09-01 DJ Delorie <dj@redhat.com>
6691 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6694 2005-09-01 David Edelsohn <edelsohn@gnu.org>
6696 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6697 (rs6000_split_multireg_move): Use replace_equiv_address instead of
6700 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
6702 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
6703 do not issue warning for a variable definition following
6706 2005-09-01 Richard Henderson <rth@redhat.com>
6709 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6710 conversion to CONST_VECTOR.
6712 2005-09-01 Richard Henderson <rth@redhat.com>
6715 * reload1.c (reload_as_needed): Check !CALL_P before calling
6716 fixup_eh_region_note.
6717 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6719 2005-09-01 DJ Delorie <dj@redhat.com>
6721 * varasm.c (output_constant): Let the target resolve
6722 conversions of addresses to non-default pointer sizes.
6724 2005-09-01 Nicolas Pitre <nico@cam.org>
6726 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6727 to alow matching ARM pre-indexed addressing mode.
6728 (arm_override_options): Remove now irrelevant comment.
6730 2005-09-01 Phil Edwards <phil@codesourcery.com>
6732 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
6733 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
6734 * config/i386/vxworks.h: Likewise.
6735 * config/i386/t-vxworksae: New file, for VxWorks AE.
6736 * config/i386/vxworksae.h: Likewise.
6738 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
6740 PR tree-optimization/23410
6741 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6742 sequence is not wrapping during the first step.
6744 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6747 * dwarf2out.c (base_type_die): Compare char_type_node with
6748 TYPE_MAIN_VARIANT (type), not type.
6750 2005-09-01 Richard Guenther <rguenther@suse.de>
6752 PR tree-optimization/15366
6753 * common.opt: Add -finline-functions-called-once.
6754 Put -fearly-inlining in alphabetically ordered place.
6755 * doc/invoke.texi: Document new option.
6756 * ipa-inline.c (cgraph_decide_inlining): Honour
6757 flag_inline_functions_called_once.
6759 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6761 PR rtl-optimization/23478
6762 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6763 (alloc_qty): Initialize it.
6764 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6765 (combine_regs): Combine also n_throwing_calls_crossed fields.
6766 (find_free_reg): Don't attempt to caller-save pseudos crossing
6767 calls that might throw.
6768 * global.c (struct allocno): Add throwing_calls_crossed field.
6769 (global_alloc): Revert 2005-08-22 change. Initialize
6770 throwing_calls_crossed.
6771 (find_reg): Don't attempt to caller-save pseudos crossing calls that
6774 2005-09-01 Alan Modra <amodra@bigpond.net.au>
6777 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6778 (mask64_operand): Reinstate code prior to 2005-06-11 change.
6779 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6780 (and64_2_operand): Tweak to use predicate.
6781 (and_operand): Adjust for mask_operand changes.
6782 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6783 (print_operand): Likewise.
6784 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6785 (mask64_1or2_operand): Delete.
6786 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6787 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6788 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6789 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6790 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6791 (rotldi3_internal4): Likewise.
6792 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6793 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6794 (ashldi3_internal7): Likewise.
6795 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6796 (ashldi3_internal, ashldi3_internal9 split): Likewise.
6797 (anddi3 split): Don't match mask64_operand.
6798 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
6799 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
6800 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
6801 't' splitter predicate.
6802 (movdi_internal64 + 2): Revert 2005-06-11 change.
6804 2005-08-31 DJ Delorie <dj@redhat.com>
6806 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6807 (m32c_asm_integer): Add support for 32 bit pointers.
6809 2005-08-31 Richard Henderson <rth@redhat.com>
6811 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6812 component-like references for setting MEM_NOTRAP_P.
6814 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6815 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6817 2005-08-31 Richard Henderson <rth@redhat.com>
6819 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6820 into a pseudo before applying gen_lowpart.
6822 2005-08-31 Geoffrey Keating <geoffk@apple.com>
6824 * doc/install.texi (Specific): Update cctools version required
6825 for full functionality.
6826 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6827 linkers as -macosx_version_min.
6829 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
6832 * sh.c (print_operand, %R and %S): Add handling of floating point
6833 registers, memory, constants and invalid operands.
6835 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
6837 * ipa-pure-const.c: Change dump name.
6839 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6842 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6843 to "reg_or_0_operand".
6844 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6846 2005-08-31 Dale Johannesen <dalej@apple.com>
6848 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
6849 loops that count down.
6851 2005-08-31 Richard Henderson <rth@redhat.com>
6854 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6855 (fixup_eh_region_note): New.
6856 (reload_as_needed): Call it.
6857 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6858 don't call find_many_sub_basic_blocks; call verify_flow_info.
6859 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6860 (keep_stack_depressed): Likewise.
6861 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6863 2005-08-31 Richard Henderson <rth@redhat.com>
6865 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6868 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
6870 * expr.c (expand_expr_real_1): Compare size of address
6871 mode to target's address mode size in deciding expansion of
6872 the constant address.
6874 2005-08-31 Richard Guenther <rguenther@suse.de>
6877 * expr.c (all_zeros_p): New function.
6878 (expand_expr_real_1): Handle the case of an all-zero
6879 non-addressable constructor separately.
6881 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
6883 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6884 arguments, adjust all callers.
6885 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6887 2005-08-30 Richard Henderson <rth@redhat.com>
6890 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6891 whenever the mode sizes match.
6893 2005-08-31 Alan Modra <amodra@bigpond.net.au>
6895 * calls.c (load_register_parameters): Fix comment typo.
6896 * expr.c (emit_push_insn): Comment formatting.
6898 2005-08-30 Ian Lance Taylor <ian@airs.com>
6900 * config/i386/x-cygwin (host-cygwin): Change dependency from
6901 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6903 2005-08-29 Geoffrey Keating <geoffk@apple.com>
6905 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6908 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6911 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6912 call to ggc_collect.
6914 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
6917 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6918 beginning. Remove $(INCLUDES) from all the rules, if following
6919 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6921 2005-08-29 Jakub Jelinek <jakub@redhat.com>
6924 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6925 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6926 not constant, but maxlen is, don't set len to maxlen, rather
6927 set maxlen to len if len is a constant.
6929 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
6931 PR tree-optimization/23475
6932 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6935 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
6937 Fix PR middle-end/22455
6939 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6940 Checksum only the parts of the tree that exist for the tree code.
6942 2005-08-28 Dale Johannesen <dalej@apple.com>
6944 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
6946 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
6948 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6950 2005-08-28 Richard Henderson <rth@redhat.com>
6952 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6953 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6956 2005-08-28 Jakub Jelinek <jakub@redhat.com>
6959 * builtins.c (get_memory_rtx): Don't strip nops
6960 in between COMPONENT_REFs.
6962 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
6965 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6967 (gimplify_modify_expr): Check for zero sized types and gimplify the
6968 rhs and lhs as statements.
6970 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
6973 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6974 state for return address column of signal frames.
6976 2005-08-27 David Edelsohn <edelsohn@gnu.org>
6979 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6980 bytes >= 2 not bytes == 2.
6981 (expand_block_move): Same.
6983 2005-08-27 Richard Guenther <rguenther@suse.de>
6986 * config/i386/sse.md (sse2_movsd): Add missing closing
6989 2005-08-27 Paul Brook <paul@codesourcery.com>
6991 * genrecog.c (enum decision_type): Add DT_num_insns.
6992 (struct decision_test): Add u.num_insns.
6993 (add_to_sequence): Add DT_num_insns test.
6994 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6995 (write_cond, debug_decision_2): Ditto.
6996 (change_state): Assume peep2_next_insn never fails.
6997 Remove "afterward" argument.
6998 (write afterward, write_tree): Update to match.
6999 * recog.c (peep2_current_count): New variable.
7000 (peep2_next_insn): Check it.
7001 (peephole2_optimize): Set peep2_current_count.
7002 * recog.h (peep2_current_count): Declare.
7004 2005-08-26 Josh Conner <jconner@apple.com>
7007 * ipa-pure-const.c (check_tree): Check for volatile-ness
7008 when considering a dereference.
7010 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7012 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7014 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7016 PR rtl-optimization/23561
7017 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7018 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7019 at most LEN bytes long memory fits into the field.
7020 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7021 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7022 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7024 2005-08-26 Richard Henderson <rth@redhat.com>
7027 * loop.c (biased_biv_may_wrap_p): New.
7028 (maybe_eliminate_biv_1): Use it to suppress non-equality
7029 comparison transformations. Delete disabled code.
7031 2005-08-26 Ian Lance Taylor <ian@airs.com>
7033 * combine.c (make_extraction): Avoid reference outside object.
7035 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7037 * stor-layout.c (finalize_type_size): Restore behaviour for
7038 non-aggregate types to the status quo ante of the patch for
7039 pr 23467. Document why it matters.
7041 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7044 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7045 array by one element, initialize the BT_LAST element with NULL.
7047 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7049 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7050 optimizing for size.
7052 (compare_plus_eqsi): Same.
7053 (plus_eqsi_compare): Same.
7054 (neg_eq0<mode>): Same.
7055 (neg_eq<mode>): Same.
7057 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7060 2005-08-26 Nick Clifton <nickc@redhat.com>
7062 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7063 TARGET_EP is not defined.
7064 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7065 TARGET_EP is enabled.
7066 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7067 * config/v850/v850.md (save_all_interrupt): Only use the EP
7068 register if TARGET_EP is defined.
7069 (restore_all_interrupt): Likewise.
7070 * config/v850/lib1funcs.asm: Update functions so that the EP
7071 register is only used if __EP__ is defined.
7073 2005-08-26 David Ung <davidu@mips.com>
7075 * config/mips/mips.c (mips_expand_prologue): Handle case when
7076 generating for MIPS16 and the outgoing argument area is more than
7077 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7080 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7082 * config/crx/crx.md: Make doloop_end pattern usage controllable
7083 via mloop-nesting=<max-nesting> command line switch. Make sure
7084 the combiner cannot use doloop_end_<mode> in an illegal way.
7085 * config/crx/crx.c: Use regs up to r6 for argument passing.
7086 Refine crx_address_cost (non cst4 displacements are expensive).
7087 * config/crx/crx.opt: Add switch for mloop-nesting=.
7089 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7091 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7092 (UNSPEC_MVST): New constant.
7094 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7096 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7097 Reject operands containing eliminable registers.
7098 * testsuite/gcc.dg/20050825-1.c: New testcase.
7100 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7101 Jan Hubicka <jh@suse.cz>
7103 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7105 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7107 PR tree-optimization/23546
7108 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7111 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7113 * params.def (PARAM_MIN_SPEC_PROB): New.
7114 * sched-rgn.c (MIN_PROBABILITY): Delete.
7115 (compute_trg_info): Convert to PARAM_VALUE.
7116 * doc/invoke.texi (param): Document min-spec-prob.
7118 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7120 * config/darwin.h: define __PIC__
7121 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7122 TARGET_OS_CPP_BUILTINS macro.
7124 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7126 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7129 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7131 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7133 * cfghooks.c (duplicate_block): Added position where to place
7134 new block as argument.
7135 * cfghooks.h (duplicate_block): Declaration changed.
7136 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7138 * cfglayout.h (copy_bbs): Declaration changed.
7139 * cfgloop.h (loop_version): Declaration changed.
7140 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7141 position to copy_bbs.
7142 (loop_version): Pass position to duplicate_loop_to_header_edge.
7143 Add place_after argument and position new blocks according to
7145 * modulo-sched.c (sms_schedule): Pass place_after argument
7147 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7148 * tree-cfg.c (split_edge_bb_loc): New function.
7149 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7150 to determine position of new blocks.
7151 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7153 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7154 argument to duplicate_block.
7155 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7156 Pass position to copy_bbs.
7158 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7160 * fold-const.c (ptr_difference_const): Use
7161 cst_and_fits_in_hwi instead of host_integerp.
7163 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7165 * config/darwin.c (gen_pic_offset): New.
7166 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7169 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7171 PR tree-optimization/23486
7172 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7174 2005-08-23 Phil Edwards <phil@codesourcery.com>
7176 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7177 remove use_collect2.
7178 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7180 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7181 configuration files to override the default value.
7183 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7184 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7185 * config/vx-common.h: New file, split out from...
7186 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7187 * config/vxworksae.h: New file, for VxWorks AE.
7188 * config/vxworks.opt: New file.
7189 * config/vxlib.c: Update for VxWorks 6.
7191 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7192 other MULTILIB_* variables appropriately.
7193 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7194 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7195 * config/rs6000/vxworks.h: Update for VxWorks 6.
7196 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7198 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7201 * config/darwin.c (machopic_select_section): Remove the hack to
7202 mark "::operator new" and "::operator delete" for coalescing
7203 even though they are not weak.
7205 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7207 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7208 * configure: Regenerate.
7210 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7213 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7215 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7216 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7219 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7221 * config/rs6000/predicates.md (equality_operator): New.
7222 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7223 comparison with a large constant.
7225 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7227 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7229 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7231 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7232 registers is even, and we have a hardware double precision fp,
7234 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7235 size of current argument when checking if argument was passed in
7238 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7241 * stor-layout.c (finalize_type_size): Dont override
7242 existing alignment with a smaller alignment from the mode.
7244 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7246 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7247 * lambda.h (lambda_vector_lexico_pos): ... here.
7248 * tree-data-ref.c (build_classic_dist_vector): Return false when
7249 the distance vector is lexicographically negative.
7251 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7253 PR tree-optimization/23511
7254 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7255 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7257 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7259 PR tree-optimization/22043
7260 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7261 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7262 If ALLOW_FLEXARR, handle types ending with flexible array member.
7263 Pass false as second argument to recursive count_type_elements calls.
7264 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7265 argument to count_type_elements call.
7266 * tree-sra.c (decide_block_copy): Likewise.
7267 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7268 for a constant-sized object, set cleared as well. Pass true as
7269 second argument to count_type_elements call.
7271 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7274 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7275 from legitimate_small_data_p, and make global. Update use.
7276 Remove forward declaration.
7277 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7279 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7281 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7283 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7284 of scratch intermediates.
7285 (eq<mode>_compare): Same.
7286 (neg_eq0<mode>): New.
7287 (neg_eq<mode>): Convert to define_insn_and_split.
7289 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7292 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7293 stdarg functions, set/clear the fp marker even when no variable
7295 * config/rs6000/sysv4.opt (mprototype): Describe.
7297 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7299 PR rtl-optimization/23478
7300 * regs.h (reg_info): Add throw_calls_crossed.
7301 (REG_N_THROWING_CALLS_CROSSED): Define.
7302 * flow.c (allocate_reg_life_data): Initialize
7303 REG_N_THROWING_CALLS_CROSSED.
7304 (propagate_one_insn, attempt_auto_inc): Update
7305 REG_N_THROWING_CALLS_CROSSED.
7306 * global.c (global_alloc): Don't allocate pseudos across
7307 calls that may throw.
7309 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7312 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7313 value is inbetween the range if we did not find an exact match.
7315 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7317 * doc/invoke.texi (Option Summary): Add ms1 options.
7318 * doc/extend.texi: Document interrupt handler attribute for ms1.
7319 * doc/md.texi: Document ms1 constraints.
7320 * config.gcc: Add ms1-*-elf.
7321 * config/ms1/ms1.h: New.
7322 * config/ms1/ms1.c: New.
7323 * config/ms1/ms1.md: New.
7324 * config/ms1/ms1-protos.h: New.
7325 * config/ms1/ABI.txt: New.
7326 * config/ms1/crti.asm: New.
7327 * config/ms1/crtn.asm: New.
7328 * config/ms1/lib2extra-funcs.c: New.
7329 * config/ms1/t-ms1: New.
7330 * config/ms1/ms1.opt: New.
7332 2005-08-22 Ira Rosen <irar@il.ibm.com>
7334 * config/rs6000/altivec.md (xorv4sf3): New.
7335 (negv4sf2, neg<mode>2): Likewise.
7337 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7340 * config/ia64/ia64.md (divsi3): Check divide by zero.
7341 (udivsi3): Likewise.
7343 (udivdi3): Likewise.
7345 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7347 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7348 up to elem_bitsize bits, not max_bitsize.
7350 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7352 PR tree-optimization/23433
7353 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7354 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7356 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7358 PR tree-optimization/23434
7359 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7360 the iteration bound is not an INTEGER_CST.
7362 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7364 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7365 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7366 NULL if need_epilog_adjust is false.
7367 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7368 Case 3 always peels first itration, not just for PLUS case, and no need
7369 to use scalar_initial_def here. Create an epilog adjustment only if
7370 scalar_initial_def is not NULL.
7372 (vectorizable_reduction): Remove assert.
7374 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7377 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7378 (__moddi3): Likewise.
7379 (__udivdi3): Likewise.
7380 (__umoddi3): Likewise.
7381 (__divsi3): Likewise.
7382 (__modsi3): Likewise.
7383 (__udivsi3): Likewise.
7384 (__umodsi3): Likewise.
7386 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7388 * tree-pass.h (TDF_GRAPH): Define.
7389 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7390 * passes.c (finish_optimization_passes): Only call
7391 finish_graph_dump_file if TDF_GRAPH is set.
7392 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7393 NULL. Set TDF_GRAPH bit.
7394 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7396 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
7398 * arm.h (arm_stack_offsets): Add locals_base field.
7399 * arm.c (arm_get_frame_offsets): Compute it.
7400 (thumb_compute_initial_elimination offset): Make the Thumb frame
7401 pointer point to the base of the local variables.
7402 (thumb_expand_prologue): Update accordingly.
7403 (thumb_expand_epilogue): Likewise.
7405 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
7406 mode of clobbered scratch to DImode. Handle a case that's known to
7409 2005-08-19 David Edelsohn <edelsohn@gnu.org>
7411 * config/rs6000/rs6000.md (gt0<mode>): Delete.
7412 (gt0<mode>_compare): Delete.
7413 (neg_gt0<mode>): Delete.
7415 2005-08-19 Eric Christopher <echristo@apple.com>
7417 * optabs.h: Change CTI_ to COI_.
7420 2005-08-19 James E Wilson <wilson@specifix.com>
7422 * builtins.c (expand_builtin_return_addr): Set
7423 current_function_accesses_prior_frames when count != 0. Use
7424 frame_pointer_rtx when count == 0.
7425 * function.h (struct function): Add accesses_prior_frames field.
7426 (current_function_accesses_prior_frames): Define.
7427 * reload1.c (init_elim_table): Check
7428 current_function_accesses_prior_frames.
7429 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7431 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7433 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7434 indicator. Return true if the flowgraph changed during
7437 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7440 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7441 conditional expression before testing its value.
7443 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7445 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7447 2005-08-19 Devang Patel <dpatel@apple.com>
7449 PR tree-optimization/23048
7450 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7451 third parameter. Check whether latch is dominated by exit
7453 (if_convertible_loop_p): Supply exit block itself to
7454 if_convertible_bb_p.
7456 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7459 * arm.md (arm_load_pic_register): Change argument to the mask of
7460 saved registers. Call thumb_find_work_register if we need a
7461 scratch register on Thumb.
7462 (arm_expand_prologue): Pass empty register set to
7463 arm_load_pic_register.
7464 (thumb_expand_prologue): Pass live_regs_mask directly to
7465 arm_load_pic_register.
7466 * arm-protos.h (arm_load_pic_register): Update prototype.
7468 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
7470 * sh.c (find_sole_member): New function.
7471 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7472 if the record's alignment is larger than the size of its only member.
7474 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7477 * arm.c (thumb_legitimize_reload_address): New function.
7478 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7479 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7481 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
7483 * config/crx/crx.c: Implement crx_decompose_address. Reject
7484 symbolic displacements since CRX register relative adressing
7485 mode can't handle unsigned 32-bit values as displacements.
7486 * config/crx/crx.h: Simplify definitions, remove redundant
7487 parenthesis and obsolete macros.
7488 * config/crx/crx.opt: Add new switch for debugging addresses.
7489 * config/crx/crx-protos.h: Add new declarations for above.
7491 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
7494 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7497 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7499 * collect2.c (dup2): Delete.
7500 * configure.ac: Don't check for dup2.
7502 * config.in, configure: Regenerate.
7504 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
7506 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7507 record with the type of its only member.
7509 2005-08-18 David Edelsohn <edelsohn@gnu.org>
7511 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7512 define_insn_and_split.
7513 (plus_ltu<mode>_compare): Same.
7514 (gtu<mode>_compare): Same.
7515 (plus_gtu<mode>_compare): Same.
7517 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
7519 PR tree-optimization/22228
7520 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7522 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7523 are recorded in vect_vnames_to_rename for renaming.
7524 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7525 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7526 in vect_vnames_to_rename.
7527 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7528 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7530 2005-08-18 Jan Hubicka <jh@suse.cz>
7533 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7534 info only for local statics, not for member variables.
7536 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7538 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7540 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7542 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7544 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
7547 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7549 2005-08-17 James E Wilson <wilson@specifix.com>
7551 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7554 2005-08-17 David Edelsohn <edelsohn@gnu.org>
7556 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7557 (leu<mode>_compare): Same.
7558 (plus_leu<mode>): Same.
7559 (neg_leu<mode>): Same.
7560 (and_neg_leu<mode): Same.
7561 (ltu<mode>_compare): Same.
7562 (plus_ltu<mode>): Same.
7564 (geu<mode>_compare): Same.
7565 (plus_geu<mode>): Same.
7566 (neg_geu<mode>): Same.
7567 (and_neg_geu<mode>): Same.
7568 (plus_gt<mode>): Same.
7569 (gtu<mode>_compare): Same.
7570 (plus_gtu<mode>): Same.
7572 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
7574 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7575 Move call_table_data to end. Delete spurious .text.
7576 (callt_save_all_interrupt): Fix comment typo.
7578 2005-08-17 James E Wilson <wilson@specifix.com>
7579 Kevin Winchester <winchester@amirix.com>
7582 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7584 2005-08-17 Uros Bizjak <uros@kss-loka.si>
7587 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7588 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7590 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
7592 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7593 record with the type of its only member if the modes don't match.
7595 * varasm.c (decode_reg_name): Skip empty additional register names.
7597 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7599 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7600 lsm_tmp_name_length): New.
7601 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7602 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7604 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7605 Andreas Krebbel <krebbel1@de.ibm.com>
7607 * config.gcc: Added z9-109 switch.
7608 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7609 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7610 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7611 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7612 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7613 for "z9_109" cpu attribute.
7614 * config/s390/s390.c (z9_109_cost): New processor cost structure.
7615 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7616 (s390_handle_arch_option): Added z9-109 switch.
7617 (override_options): Set respective cost function for z9-109.
7618 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7619 (legitimate_reload_constant_p): Accept extended immediates.
7620 (print_operand): Three new output modifiers added: k, m and o.
7621 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7622 (s390_output_mi_thunk): Use extended immediate when possible.
7623 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7624 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7625 (CONSTRAINT_LEN): Added length of O constraint.
7626 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7627 * config/s390/s390.md ("cpu"): New value z9_109 added.
7628 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7629 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7630 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7631 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7632 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7633 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7634 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7635 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7636 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7637 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7638 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7639 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7640 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7641 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7642 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7644 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7645 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7646 insns for TARGET_EXTIMM.
7648 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
7650 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7652 2005-08-17 Nick Clifton <nickc@redhat.com>
7654 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7655 Call default_encode_section_info.
7657 2005-08-17 Steven Bosscher <stevenb@suse.de>
7659 PR tree-optimization/21574
7660 * tree-ssa-ccp.c (likely_value): If the right hand side is a
7661 constant, return CONSTANT.
7662 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7663 (ccp_fold, visit_assignment): Likewise.
7664 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7666 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7668 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7669 fold_buildN instead of buildN then fold_initializer or fold.
7670 (build_unary_op): Likewise.
7671 (build_binary_op): Likewise.
7672 * fold-const.c (fold_initializer): Remove.
7673 (fold_build1_initializer): New function.
7674 (fold_build2_initializer): New function.
7675 (fold_build3_initializer): New function.
7676 * tree.h (fold_initializer): Remove.
7677 (fold_build1_initializer): New function.
7678 (fold_build2_initializer): New function.
7679 (fold_build3_initializer): New function.
7681 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7683 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7684 (try_move_mult_to_index): Call fold_build2 instead of build2.
7685 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7686 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7687 fold_binary_to_constant.
7688 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7690 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7691 check if A == gcd (A, B). Remove TYPE argument.
7692 (analyze_offset) Use fold_build2 instead of fold (build.
7693 (create_data_ref): Likewise.
7694 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7695 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7698 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
7700 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7701 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7703 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
7706 * gimplify.c (zero_sized_type): New function.
7707 (gimplify_modify_expr_rhs): If we have a zero sized type,
7708 replace the statement with an empty statement.
7710 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
7712 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7715 2005-08-16 Ian Lance Taylor <ian@airs.com>
7717 * doc/tm.texi (Label Output): Correct typo.
7719 2005-08-16 Steven Bosscher <stevenb@suse.de>
7722 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7723 force_operand will work later on using have_insn_for.
7725 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7727 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7729 2005-08-16 Ian Lance Taylor <ian@airs.com>
7732 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7733 vector type, don't try to construct it element by element. Add an
7734 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7736 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7738 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7740 2005-08-16 Geoffrey Keating <geoffk@apple.com>
7742 * doc/invoke.texi (Precompiled Headers): Document some more options
7743 which are known to be safe.
7745 2005-08-16 James E Wilson <wilson@specifix.com>
7747 PR tree-optimization/21105
7748 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7749 TREE_OVERFLOW check.
7751 2005-08-16 David Edelsohn <edelsohn@gnu.org>
7753 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7754 (neg_ltu<mode>): Same.
7756 (neg_gtu<mode>): Same.
7758 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7760 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7761 (fold_builtin_isdigit): Use fold_buildN.
7762 (build_function_call_expr): Likewise.
7763 * c-typeck.c (c_finish_loop): Likewise.
7765 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
7766 Richard Shann <rshann@superh.com>
7768 PR middle-end/20396:
7769 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7771 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
7773 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7775 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
7778 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7779 arm_compure_save_reg0_reg12_mask to determine when the PIC register
7782 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7785 * fold-const.c (build_range_check): Disable optimization for function
7786 pointer expressions on targets that require function pointer
7789 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
7791 * simplify-rtx.c (simplify_const_relational_operation): When
7792 extracting arguments of a COMPARE, recompute the mode as well.
7794 2005-08-15 Ian Lance Taylor <ian@airs.com>
7796 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7798 2005-08-15 DJ Delorie <dj@redhat.com>
7800 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7802 (movsi_splittable): Allow, but split, moves to the stack.
7803 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7806 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7808 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7809 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7810 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7812 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7813 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7814 Delete HOST_PTR_PRINTF.
7816 * configure, config.in: Regenerate.
7818 2005-08-15 David Edelsohn <edelsohn@gnu.org>
7820 * config/rs6000/rs6000.md (QHSI): New mode macro.
7821 (wd): Extend mode attr for QImode and HImode
7822 (dbits): New mode attr.
7823 (zero_extend<mode>di2): Convert to mode macro.
7825 2005-08-15 Steve Ellcey <sje@cup.hp.com>
7828 * doc/invoke.texi (-mgnu-ld): Update description.
7831 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7834 * Makefile.in (tree-chrec.o): Depends on real.h.
7835 * tree-chrec.c: Include real.h.
7836 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7837 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7838 * tree-scalar-evolution.c (add_to_evolution_1,
7839 interpret_rhs_modify_expr): Ditto.
7841 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7844 * tree-data-ref.c (estimate_niter_from_size_of_data): When
7845 step is negative compute the estimation from init downwards to zero.
7847 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
7849 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7851 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7853 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7855 (legitimate_reload_constant_p): Fix handling of lliXX operands.
7856 Accept double-word constants that can be split.
7857 * config/s390/s390.md ("movti"): Use 'P' constraint.
7858 ("*movdi_31", "*movdf_31"): Likewise.
7860 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
7862 Fix PR tree-optimization/22615
7864 * tree-ssa-structalias.c (solution_set_add): Handle
7865 first_vi_for_offset returning NULL.
7866 (do_da_constraint): Ditto.
7867 (do_sd_constraint): Ditto.
7868 (do_ds_constraint): Ditto
7869 (find_func_aliases): Ditto.
7870 (build_constraint_graph): RHS is allowed be ANYTHING.
7871 (first_vi_for_offset): Return NULL if we couldn't find anything at
7874 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7876 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7877 over memory as first operand.
7879 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
7882 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7883 available for setting it.
7885 2005-08-14 Ira Rosen <irar@il.ibm.com>
7887 PR tree-optimization/23320
7888 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7889 data-refs' types instead of base object nullness. Add check for
7890 pointer type data-refs before first location comparison. Remove
7893 2005-08-14 Andreas Schwab <schwab@suse.de>
7895 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7897 2005-08-13 James E Wilson <wilson@specifix.com>
7899 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7900 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7901 -fstack-protector-all, --param ssp-buffer-size): Document.
7902 (-Wvariadic-macros): Alphabetize.
7903 (-fsched-stalled-insns-dep): Add missing 'f'.
7905 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7908 2005-08-13 David Edelsohn <edelsohn@gnu.org>
7910 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7911 or indirect address operand.
7912 (EXTRA_ADDRESS_CONSTRAINT): New.
7913 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7915 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
7917 PR tree-optimization/22236
7918 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7919 successors and predecessors.
7920 * tree-chrec.c (chrec_convert): Before converting, check that
7921 sequences don't wrap.
7922 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7923 (analyze_array): Extern.
7924 (find_data_references_in_loop): Remove call to
7925 compute_estimated_nb_iterations.
7926 * tree-data-ref.h (analyze_array): Declared.
7927 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7928 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7929 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7930 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7932 * tree-ssa-loop-ivcanon.c: Fix documentation.
7933 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7934 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7935 (infer_loop_bounds_from_undefined): New.
7936 (estimate_numbers_of_iterations_loop): Use
7937 infer_loop_bounds_from_undefined.
7938 (used_in_pointer_arithmetic_p): New.
7939 (scev_probably_wraps_p): Pass an extra parameter. Call
7940 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
7941 (convert_step): Fix documentation.
7942 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7943 Use initial_condition_in_loop_num and evolution_part_in_loop_num
7944 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
7945 scev_probably_wraps_p.
7947 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
7949 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7950 (s390_register_info): Ignore clobbered_regs information for fixed
7951 registers, and only fixed registers.
7952 (s390_init_frame_layout): Remove redundant call.
7954 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
7956 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7957 description of -Wold-style-casts.
7959 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7960 Jakub Jelinek <jakub@redhat.com>
7962 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7963 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7964 * config/s390/s390.c (print_operand): New output modifier 'G' added.
7965 (get_thread_pointer): Renamed to s390_get_thread_pointer.
7966 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7967 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7968 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7969 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7970 ("stack_protect_set", "stack_protect_test"): New expanders.
7971 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7972 "stack_protect_testdi"): New insn definitions.
7974 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7976 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7978 2005-08-12 Paul Brook <paul@codesourcery.com>
7980 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7982 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7984 * config/s390/predicates.md (setmem_operand): New predicate.
7985 (shift_count_operand): Accept ANDs with special constants as
7987 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7988 with special constants.
7989 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7990 shift_count_operand with setmem_operand.
7992 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7994 * config/s390/s390.c (s390_extract_part, s390_single_part):
7996 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7997 (s390_output_mi_thunk): Don't use lg on 31 bit.
7998 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7999 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8001 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8003 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8004 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8005 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8006 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8007 with one of the new macros.
8009 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8011 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8012 Don't set save_return_addr_p.
8013 (s390_register_info): Make clobbered_regs not depending on
8016 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8018 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8019 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8021 2005-08-11 James E. Wilson <wilson@specifix.com>
8023 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8025 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8027 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8028 locations gathered by var-tracking in single entry loc_list
8029 over loc_descriptor_from_tree.
8031 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8032 pass it down to loc_descriptor.
8033 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8034 (containing_function_has_frame_base): Move earlier in the file.
8035 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8036 instead of always assuming fbreg can't be used.
8038 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8040 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8041 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8042 Accept address wrapped in AND for Altivec.
8043 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8044 Strip AND wrapping offset address for Altivec.
8046 2005-08-11 Richard Henderson <rth@redhat.com>
8049 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8050 before using TYPE_IS_SIZETYPE.
8052 2005-08-11 Richard Henderson <rth@redhat.com>
8055 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8056 insn types not present on ev4.
8057 (alphaev5_insn_pipe): Similarly.
8059 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8062 * arm.c (arm_override_options): If the user has selected callee-super-
8063 interworking, then enable normal interworking.
8065 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8067 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8070 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8072 * doc/rtl.texi: Fix two typos.
8074 2005-08-11 Richard Guenther <rguenther@suse.de>
8077 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8078 cases where we call to/from functions returning void.
8080 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8083 * tree.c (build_pointer_type_for_mode): Robustify.
8085 2005-08-10 James E Wilson <wilson@specifix.com>
8087 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8088 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8090 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8093 2005-08-10 Eric Christopher <echristo@apple.com>
8095 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8096 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8099 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8102 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8103 for the high part when generating dynamic-no-pic code.
8105 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8107 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8108 (x86_64-*-linux*): Likewise.
8110 * config/i386/crtfastmath.c: New file.
8111 * config/i386/t-crtfm: Likewise.
8113 * config/i386/linux.h (ENDFILE_SPEC): New.
8114 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8116 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8119 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8121 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8122 (vec_shl, vec_shr): Document new operations.
8123 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8125 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8127 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8128 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8129 change predicate to indexed_or_indirect_address.
8131 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8133 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8134 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8135 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8136 and __aeabi_uwrite8.
8137 * config/arm/unaligned-funcs.c: New file.
8138 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8140 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8142 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8144 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8145 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8147 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8148 * final.c (pass_shorten_branches): Add dump.
8149 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8150 (pass_life): Rename dump.
8151 (rest_of_handle_flow2): Remove initial verify_flow_info.
8152 * function.c (pass_instantiate_virtual_regs): Add dump.
8153 * integrate.c (pass_initial_value_sets): Add dump.
8154 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8155 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8156 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8157 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8158 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8159 gate_rtl_unrool_and_peel_loops): New.
8160 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8161 rtl_doloop): Do not look at flags.
8162 * mode-switching.c (pass_mode_switching): Add dump.
8163 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8164 pass_split_before_regstack): Add dump.
8165 * regmove.c (pass_stack_adjustments): Add dump.
8166 * tree-optimize.c (pass_fixup_cfg): Add dump.
8168 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8171 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8172 deciding which instruction sequence to use.
8174 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8176 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8177 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8179 2005-08-09 Richard Guenther <rguenther@suse.de>
8181 * c-common.c (builtin_function_2): Remove.
8182 (def_builtin_1): New function.
8183 (c_common_nodes_and_builtins): Use def_builtin_1 to
8184 build builtin functions.
8186 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8188 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8189 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8190 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8193 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8195 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8196 fold_binary instead of fold_build2 since we don't care about the
8198 (loop_niter_by_eval): Likewise.
8199 (compare_trees): Likewise.
8200 (proved_non_wrapping_p): Likewise.
8202 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8206 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8207 if the if is really empty.
8209 2005-08-09 Steven Bosscher <stevenb@suse.de>
8211 PR tree-optimization/23234
8212 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8213 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8214 argument of the new enum.
8215 (execute_cse_reciprocals): Add reciprocals for function arguments
8216 on the unique successor edge of the entry block. Update other calls
8217 to execute_cse_reciprocals_1.
8219 2005-08-08 Richard Henderson <rth@redhat.com>
8222 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8224 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8226 * expr.c (write_complex_part): Return after handling MEM.
8228 2005-08-08 Josh Conner <jconner@apple.com>
8230 PR rtl-optimization/23241
8231 * combine.c (simplify_comparison): Fix error in determining
8232 whether to lift a subreg from comparison.
8234 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8237 * config/rs6000/altivec.md (vec_init<mode>): New.
8238 (vec_set<mode>): New.
8239 (vec_extract<mode>): New.
8240 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8241 (rs6000_expand_vector_set): New.
8242 (rs6000_expand_vector_extract): New.
8243 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8244 for Altivec modes before reload.
8245 (altivec_expand_vec_init_builtin): New.
8246 (get_element_number): New.
8247 (altivec_expand_vec_set_builtin): New.
8248 (altivec_expand_vec_ext_builtin): New.
8249 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8251 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8253 * config/rs6000/rs6000.h (rs6000_builtins): Add
8254 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8255 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8256 * config/rs6000/rs6000-protos.h: Declare new functions.
8258 2005-08-08 Jan Hubicka <jh@suse.cz>
8260 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8261 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8262 * i386.md (movdi*): Use pic_32bit_operand.
8263 * predicates.md (pic_32bit_operand): New.
8265 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8268 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8270 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8272 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8273 (test_for_singularity): Use fold_build2.
8275 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8277 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8279 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8281 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8282 (COMMON_ASM_OP) Define.
8283 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8284 (ix86_encode_section_info): Likewise.
8285 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8286 SUBTARGET_ENCODE_SECTION_INFO.
8288 2005-08-06 Richard Henderson <rth@redhat.com>
8291 * tree-nested.c (convert_local_reference): Save and restore val_only
8292 around component_ref and friends. Clear walk_subtrees by default.
8294 2005-08-06 Peter O'Gorman <peter@pogma.com>
8297 * gcc.c (process_command): Check the argument to -b has a dash.
8298 * doc/invoke.texi: Update -b and -V docs.
8300 2005-08-06 James E Wilson <wilson@specifix.com>
8302 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8304 2005-08-06 Michael Matz <matz@suse.de>
8306 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8307 member only if only one insn is associated with the value.
8309 2005-08-06 Nick Clifton <nickc@redhat.com>
8311 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8313 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8314 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8315 Check symbol flags instead of symbol name mangling.
8316 (xstormy16_asm_output_aligned_common): Likewise. Also
8317 simplify code since the bss100_section cass is the only case
8318 where the below100 code will be triggered.
8319 (xstormy16_encode_section_info): Encode below100 attribute
8320 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8322 (xstormy16_strip_name_encoding): Delete - this function is no
8324 (TARGET_STRIP_NAME_ENCODING): Undefine.
8325 * config/stormy16/stormy16-protos.h: Delete prototype for
8326 xstormy16_strip_name_encoding.
8328 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8330 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8331 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8332 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8333 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8334 config/alpha/predicates.md, config/arc/arc.h,
8335 config/arm/arm.h, config/arm/ieee754-df.S,
8336 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8337 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8338 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8339 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8340 config/m68hc11/m68hc11.h, config/mips/mips.c,
8341 config/mips/mips.h, config/mips/openbsd.h,
8342 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8343 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8344 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8345 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8346 config/sparc/linux.h, config/sparc/linux64.h,
8347 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8348 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8349 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8350 typos. Follow spelling conventions.
8352 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8355 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8356 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8357 specially. Check for side effects only for COND_EXPR.
8358 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8359 return with TREE_NO_WARNING.
8361 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8363 PR rtl-optimization/23233
8364 * loop.c (combine_movables): Require the modes to be the same.
8365 (move_movables): Remove handling of cases where the replacement
8366 had a different mode to the original.
8368 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8370 PR tree-optimization/23128
8371 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8372 subtraction wrap, and set TREE_OVERFLOW if they do.
8374 2005-08-05 Richard Henderson <rth@redhat.com>
8377 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8378 FORCED_LABEL labels.
8380 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8383 * reload.c (find_reloads_subreg_address): Pass down TYPE
8384 unchanged. Change all callers except find_reloads_toplev.
8386 2005-08-05 Michael Matz <matz@suse.de>
8388 * genattrtab.c (current_alternative_string): Remove.
8389 (SIMPLIFY_ALTERNATIVE): Ditto.
8390 (attr_alt_bit_p): Ditto.
8391 (alternative_name): Make const char *.
8392 (evaluate_eq_attr): Remove use of above things.
8393 (simplify_test_exp): Ditto.
8394 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8395 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8397 2005-08-04 James E Wilson <wilson@specifix.com>
8399 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8400 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8401 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8402 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8403 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8405 2005-08-04 Richard Henderson <rth@redhat.com>
8408 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8409 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8410 * tree-sra.c (decide_block_copy): Use it. Disable element copy
8411 if we'd have to instantiate too many members.
8413 2005-08-04 Richard Henderson <rth@redhat.com>
8416 * tree-outof-ssa.c (coalesce_asm_operands): New.
8417 (coalesce_ssa_name): Use it. Split out ...
8418 (coalesce_phi_operands, coalesce_result_decls): ... these.
8420 2005-08-04 Paul Brook <paul@codesourcery.com>
8422 * read-rtl.c (read_quoted_string): Break if EOF.
8424 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
8426 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8427 (fold_build2): Likewise.
8428 (fold_build3): Likewise.
8429 (fold_build1_stat): New function prototype.
8430 (fold_build2_stat): Likewise.
8431 (fold_build3_stat): Likewise.
8432 * fold-const.c (fold_build1): Rename to ..
8433 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8434 through to build1_stat.
8435 (fold_build2): Rename to ..
8436 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8437 through to build2_stat.
8438 (fold_build3): Rename to ..
8439 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8440 through to build3_stat.
8442 2005-08-04 David Edelsohn <edelsohn@gnu.org>
8443 Ian Lance Taylor <ian@airs.com>
8445 * function.c (assign_stack_local_1): Do not correct stack slot
8446 address if allocation size is smaller than mode size.
8448 2005-08-04 Diego Novillo <dnovillo@redhat.com>
8451 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8452 (tree_merge_blocks): Propagate anything allowed by
8454 Clarify documentation.
8455 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8456 SSA form, schedule an update if necessary.
8458 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
8460 * doc/install.texi (Binaries): Remove broken link to
8461 Sinix/Reliant Unix binaries.
8463 2005-08-03 Richard Henderson <rth@redhat.com>
8466 * function.c (stack_protect_epilogue): Export.
8467 * tree.h (stack_protect_epilogue): Declare.
8468 * calls.c (expand_call): Call it.
8470 2005-08-03 Eric Christopher <echristo@apple.com>
8472 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8473 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8476 2005-08-04 Jan Hubicka <jh@suse.cz>
8478 * profile.c (branch_prob): Split edges with goto locus on them
8479 to get proper line counts.
8480 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8482 2005-08-03 Paul Brook <paul@codesourcery.com>
8484 * function.c (assign_parms): Round current_function_args_size
8485 to PARM_BOUNDARY, not STACK_BOUNDARY.
8487 2005-08-03 Geoffrey Keating <geoffk@apple.com>
8489 * config/i386/i386.c (x86_elf_aligned_common)
8490 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8492 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
8494 PR tree-optimization/23157
8495 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8496 before emitting them.
8498 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8500 PR tree-optimization/19899
8501 * Makefile.in (tree-scalar-evolution.o): Add real.h.
8502 * tree-scalar-evolution.c: Include real.h.
8503 (add_to_evolution): Build constant -1 of correct type.
8505 2005-08-03 Jan Hubicka <jh@suse.cz>
8507 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8508 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8509 profile updating for complette unrolling.
8510 * loop-unroll.c (peel_loop_completely): Use it.
8511 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8512 (tree_unroll_loops_completely): Disable code growing unrolling of cold
8515 2005-08-03 Paul Brook <paul@codesourcery.com>
8517 * combine.c (can_change_dest_mode): New function.
8518 (try_combine, simplify_set): Use it.
8520 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
8522 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8525 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
8527 * doc/install.texi (Specific): Adjust link to openavr.org.
8528 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8529 (Binaries): Adjust HP-UX Porting Center link.
8530 (Binaries): Adjust Free Software Foundation ordering link.
8532 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
8534 * convert.c (convert_to_integer): Use fold_build1 instead of
8535 build1 when converting an integer to an integer.
8537 2005-08-02 Richard Henderson <rth@redhat.com>
8539 * combine.c (combine_instructions): Don't use reg_equal/equiv
8540 results if the mode doesn't match.
8542 2005-08-02 Mark Mitchell <mark@codesourcery.com>
8544 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8545 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8547 2005-08-02 Richard Henderson <rth@redhat.com>
8550 * explow.c (memory_address): Remove special-case for
8551 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8553 2005-08-02 Diego Novillo <dnovillo@redhat.com>
8556 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8557 number of calls to cleanup_tree_cfg_1.
8559 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
8561 * doc/invoke.texi: document file extensions .F90 and .F95
8563 2005-08-02 Richard Guenther <rguenther@suse.de>
8565 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8566 positive if its first argument is positive.
8568 2005-08-02 Richard Guenther <rguenther@suse.de>
8570 PR tree-optimization/23177
8571 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8574 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
8576 PR tree-optimization/23129
8577 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8578 varying for divisions with anti-ranges.
8580 2005-08-02 Jan Hubicka <jh@suse.cz>
8582 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8583 * tree-ssa-threadupdate.c (thread_block): Add it here.
8585 2005-08-01 James E Wilson <wilson@specifix.com>
8587 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8588 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8589 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8591 * config/mips/predicates.md (const_call_insn_operand): Add check for
8592 SYMBOL_REF_LONG_CALL_P.
8593 * doc/extend.texi (long_call): Document the new attribute.
8595 2005-08-01 Ian Lance Taylor <ian@airs.com>
8596 Richard Henderson <rth@redhat.com>
8598 * Makefile.in (RTL_BASE_H): Add real.h.
8599 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8601 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8603 * rtl.c (rtl_check_failed_code_mode): New.
8604 * rtl.h (struct rtx_def): Add u.rv.
8605 (XCMWINT, XCNMPRV): New.
8606 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8607 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8609 2005-08-01 Richard Henderson <rth@redhat.com>
8611 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8612 with auto-inc codes.
8614 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8616 2005-08-01 Jan Hubicka <jh@suse.cz>
8618 * i386-protos.h (asm_preferred_eh_data_format): Declare.
8619 * i386.c: Include dwarf2.h
8620 (asm_preferred_eh_data_format): New.
8621 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8623 2005-08-01 Ian Lance Taylor <ian@airs.com>
8625 * config/host-linux.c (linux_gt_pch_get_address): Add new name
8626 randomize_va_space for virtual address randomization control.
8628 2005-08-01 Steven Bosscher <stevenb@suse.de>
8630 * common.opt (flag_ipa_cp): Put in right place to maintain
8633 2005-08-01 Jan Hubicka <jh@suse.cz>
8635 * profile.c (compute_value_histograms): Fix thinko.
8636 * value-prof.c: Include toplev.h
8637 (check_counter): New function.
8638 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8639 tree_mod_subtract_transform): Add sanity check.
8641 2005-08-01 Richard Guenther <rguenther@suse.de>
8643 PR tree-optimization/23133
8644 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8645 current functions parameter decls to find defs to cse
8648 2005-08-01 Richard Guenther <rguenther@suse.de>
8650 PR tree-optimization/23109
8651 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8652 If trapping math is in effect, use post-dominator information
8653 to check if we'd in any case reach a trapping point before
8654 doing the reciprocal insertion.
8655 (execute_cse_reciprocals): Compute post-dominators, if necessary.
8656 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8657 expressions are invariant only if trapping math is not in effect.
8659 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8661 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8662 cgraph_function_versioning): New declarations.
8663 * cgraphunit.c: Add include to ipa-prop.h.
8664 (update_call_expr, cgraph_copy_node_for_versioning,
8665 cgraph_function_versioning): New functions.
8666 * integrate.c (copy_decl_for_inlining): Remove.
8667 * ipa-prop.h (ipa_replace_map): New struct.
8668 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8669 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8670 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8671 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8672 ipcp_iterate_stage, ipcp_method_scale_print,
8673 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8674 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8675 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8676 ipcp_update_bb_counts, ipcp_update_profiling,
8677 ipcp_update_edges_counts): New functions.
8678 (ipcp_method_cval_init): Remove restriction regarding local methods.
8679 (ipcp_init_stage): Add ipcp_method_compute_scale.
8680 (ipcp_insert_stage): Add versioning.
8681 (ipcp_structures_print): Add ipcp_method_scale_print.
8682 (ipcp_driver): Dump profiling info.
8683 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8684 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8685 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8686 (struct inline_data): Add versioning_p, ipa_info, new fields.
8687 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8688 declare_return_variable): Replace calls to copy_decl_for_inlining with
8690 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8692 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8693 Add argument VERSIONING.
8694 (copy_arguments_for_versioning, copy_static_chain,
8695 function_versionable_p, tree_versionable_function_p,
8696 tree_function_versioning, replace_ref_tree): New functions.
8697 * tree-inline.h: Include varray.h.
8698 (tree_versionable_function_p, tree_function_versioning,
8699 tree copy_decl_for_dup): New declarations.
8701 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8703 * ipa-cp.c: New file. Contains IPCP specific functionality.
8704 * ipa-prop.h: New file. Contains structures/definitions that can be
8705 used by several interprocedural data flow optimizations (and also IPCP).
8706 * ipa-prop.c: New file.
8707 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8708 * common.opt: Add ipa-cp flag.
8709 * timevar.def: Add IPCP optimization.
8710 * tree-optimize.c (init_tree_optimization_passes): Schedule
8712 * tree-pass.h (pass_ipa_cp): Declare.
8714 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
8716 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8717 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8718 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8719 config/i386/i386.c, config/mips/mips.h,
8720 config/rs6000/rs6000.h, config/sh/sh.c,
8721 config/stormy16/stormy16.c: Fix comment typos.
8723 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
8726 * c-typeck.c (build_binary_op): Use common_type wrapper on
8728 (common_type): Update comment.
8730 2005-07-31 Steven Bosscher <stevenb@suse.de>
8733 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8734 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8735 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8737 2005-07-31 Jan Hubicka <jh@suse.cz>
8739 * pretty-print.h (pp_widest_integer): New macro.
8740 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8743 2005-07-31 Jan Hubicka <jh@suse.cz>
8745 * output.h (enum section_category): Export from varasm.c
8746 (categorize_decl_for_section): Likewise.
8747 * varasm.c (enum section_category): Kill.
8748 (categorize_decl_for_section): Make global.
8749 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8751 * i386.c (ix86_section_threshold): New static variable.
8752 (ix86_in_large_data_p, ix86_encode_section_info,
8753 x86_64_elf_unique_section,
8754 x86_64_elf_select_section): New functions.
8755 (TARGET_ENCODE_SECTION_INFO): Define
8756 (override_options): Enable medium model for PIC.
8757 (ix86_expand_prologue): Expand gen_set_got_rex64.
8758 (legitimate_constant_p): Handle new UNSPECs.
8759 (legitimate_pic_address_disp_p): Likewise.
8760 (legitimize_pic_address): Lower MEDIUM model addressing.
8761 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8762 (enum cmodel): Add MEDIUM_PIC.
8763 (SYMBOL_REF_FAR_ADDR_P): New macro.
8764 (SYMBOL_FLAG_FAR_ADDR): New flag.
8765 * i386.md (movdi): Support medium model.
8766 (set_got_rex64): New pattern.
8767 * i386.opt (mlarge-data-threshold): New flag.
8768 * predicates.md (zext_operand/sext_operand): Deal with medium model.
8769 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8770 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8771 TARGET_ASM_UNIQUE_SECTION): New.
8773 * invoke.texi (-mlarge_data_threshold): Document
8775 2005-07-31 Jan Hubicka <jh@suse.cz>
8777 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8778 (coalesce_vars): Likewise.
8779 * tree-ssa-live.c (coalesce_cost): New.
8780 (build_tree_conflict_graph): Use coalesce_cost.
8781 * tree-ssa-live.h (coalesce_cost): Declare.
8783 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
8785 * arm.md (all peepholes for post-increment operations): Delete.
8786 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8787 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8788 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8789 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8790 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8792 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
8794 * fold-const.c (tree_expr_nonnegative_p): Always return true for
8797 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
8800 * doc/invoke.texi: Document -rdynamic.
8802 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
8805 * c-parser.c (c_parser_parms_list_declarator): Call
8806 mark_forward_parm_decls.
8807 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8808 decls with visibility structure.
8810 2005-07-30 Paul Brook <paul@codesourcery.com>
8812 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8814 2005-07-30 Paul Brook <paul@codesourcery.com>
8816 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8818 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8820 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8822 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8825 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8826 nested function declarators.
8827 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8828 (grokparms): Call warn_if_shadowing for parameters used within the
8830 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8831 not used within the parameter list.
8832 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8834 2005-07-30 Jan Hubicka <jh@suse.cz>
8836 * expr.c (expand_expr_real_1): Do not load mem targets into register.
8837 * i386.c (ix86_fixup_binary_operands): Likewise.
8838 (ix86_expand_unary_operator): Likewise.
8839 (ix86_expand_fp_absneg_operator): Likewise.
8840 * optabs.c (expand_vec_cond_expr): Validate dest.
8842 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8845 * real.c (real_from_string): Also set last bit if there is a
8846 nonzero hex digit beyond GCC's internal precision after ".".
8848 2005-07-29 David Edelsohn <edelsohn@gnu.org>
8850 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8851 define_constants. Change duplicate values to unassigned numbers.
8852 Change UNSPEC_SUBS to UNSPEC_VSUBS.
8853 (*altivec_vspltsf): New.
8854 (altivec_vperm_v4sf): Delete.
8855 (altivec_vperm_<mode>): Use mode macro V.
8856 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8857 (altivec_predicate_v4sf): Delete.
8858 (altivec_predicate_<mode>): Use mode macro V.
8859 (*altivec_lvesfx): New.
8860 (*altivec_stvesfx): New.
8861 (vec_realign_load_v4sf): Delete.
8862 (vec_realign_load_<mode>): Use mode macro V.
8863 * config/rs6000/rs6000.c (generate_set_vrsave): Use
8866 2005-07-29 Mark Mitchell <mark@codesourcery.com>
8869 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8871 * configure: Regenerated.
8873 2005-07-29 Paul Brook <paul@codesourcery.com>
8875 * doc/install.texi: Add link to GFortran binaries wiki page.
8877 2005-07-29 David Ung <davidu@mips.com>
8879 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8880 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8881 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8882 * config/mips/mips.md (cpu): Add 5kf name.
8883 (includes): Includes 5k.md.
8884 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8885 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8888 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8891 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8892 (cleanup_tree_cfg): ... here.
8893 Call cleanup_tree_cfg_1 until there are no more cleanups to
8896 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
8898 * tree-vrp.c (compare_range_with_value): Return true or false
8899 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8900 EQ_EXPR respectively.
8902 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
8904 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8907 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8909 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8910 (tree_ssa_dominator_optimize): Increment it.
8911 (dump_dominator_optimization_stats): Print it.
8913 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
8914 Steven Bosscher <stevenb@suse.de>
8916 PR rtl-optimization/23117
8917 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8918 when head == tail. Tidy comment.
8920 2005-07-28 Richard Henderson <rth@redhat.com>
8922 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8923 * cselib.c (rtx_equal_for_cselib_p): Likewise.
8924 * jump.c (rtx_renumbered_equal_p): Likewise.
8925 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8926 CONST_INT and CONST_DOUBLE.
8927 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8928 * reload.c (operands_match_p): Special case CONST_INT and
8929 CONST_DOUBLE; check mode earlier.
8931 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8934 * c-typeck.c (convert_for_assignment): Do not check
8935 DECL_IN_SYSTEM_HEADER on NULL fundecl.
8937 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8940 * c-typeck.c (composite_type): Prefer constant size arrays to
8943 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8946 * real.c (real_from_string): Set last bit if there is a nonzero
8947 hex digit beyond GCC's internal precision.
8949 2005-07-28 Richard Henderson <rth@redhat.com>
8952 * cfgcleanup.c (try_forward_edges): Watch out for end of
8955 2005-07-28 James E Wilson <wilson@specifixinc.com>
8958 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8960 2005-07-28 Jan Hubicka <jh@suse.cz>
8962 * Makefile.in (rtl-profile.o): Kill all traces of it.
8963 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8964 * coverage.h (rtl_coverage_counter_ref): Kill.
8965 * opts.c (flag_speculative_prefetching_set): Kill.
8966 (flag_loop_optimize_set): New.
8967 (common_handle_option): Disable loop optimizer when profiling;
8968 do not handle speculative prefetching.
8969 * passes.c (init_optimization_passes): Replace pass_profiling combo
8970 by branch_prob pass.
8971 * profile.c (compute_value_histograms): Update for simplified value
8973 (rtl_register_profile_hooks): Kill.
8974 (pass_profiling): Kill.
8975 (rest_of_handle_branch_prob): Do not profile.
8976 * toplev.c (process_options): Remove speculative prefetching.
8977 * toplev.h (flag_tree_based_profiling): Kill.
8978 * tree-profile.c (prepare_instrumented_value,
8979 tree_gen_interval_profiler, tree_gen_pow2_profiler,
8980 tree_gen_one_value_profiler, do_tree_profiling): Update for
8981 simplified datastructures.
8982 * value-prof.c: Add comment that speculative prefetching was dropped;
8983 update rest of file for simplified datastructures.
8984 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8985 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8986 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8987 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8988 rtl_mod_subtract, gen_speculative_prefetch,
8989 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8990 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8991 (gate_handle_value_profile_transformations,
8992 rest_of_handle_value_profile_transformations,
8993 pass_value_profile_transformations): Kill.
8994 * value-prof.h (histogram_value_t): Remove IL based unions.
8995 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8996 rtl_profile_hooks): Remove hooks.
8998 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9000 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9001 (cgraph_clone_node): Likewise.
9002 * cgraph.h (cgraph_clone_edge): Update prototype.
9003 (cgraph_clone_node): Likewise.
9004 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9006 (lookup_recursive_calls): Consider profile.
9007 (cgraph_decide_recursive_inlining): Fix updating; use new
9008 probability argument; use profile.
9009 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9010 * tree-inline.c (copy_bb): Update clal of clone_edge.
9011 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9013 * invoke.texi (min-inline-recursive-probability): Document.
9015 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9017 * doc/install.texi (Configuration): Update Valgrind homepage.
9019 2005-07-28 Richard Henderson <rth@redhat.com>
9022 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9023 labels we want to delete.
9024 (cfg_layout_merge_blocks): Likewise.
9026 2005-07-28 Richard Henderson <rth@redhat.com>
9029 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9030 when expanding to nothing.
9032 2005-07-28 Josh Conner <jconner@apple.com>
9034 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9035 (cgraph_decide_inlining_of_small_functions): Likewise.
9037 2005-07-28 Josh Conner <jconner@apple.com>
9039 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9040 direction of badness if negative.
9041 (cgraph_default_inline_p): Add reason to parameters, and assign it
9043 (cgraph_decide_inlining_of_small_functions): New parameter in call
9044 to cgraph_default_inline_p.
9045 (cgraph_decide_inlining_incrementally): Likewise.
9046 * cgraphunit.c (decide_is_function_needed): Likewise.
9047 * cgraph.h (cgraph_default_inline_p): Likewise.
9049 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9051 * builtins.c: Fix comment typo(s).
9052 * genautomata.c: Likewise.
9053 * gimplify.c: Likewise.
9054 * tree-dfa.c: Likewise.
9055 * tree-flow-inline.h: Likewise.
9056 * tree-into-ssa.c: Likewise.
9057 * tree-ssa-alias.c: Likewise.
9058 * tree-ssa-ccp.c: Likewise.
9059 * tree-ssa-copy.c: Likewise.
9060 * tree-ssa-dce.c: Likewise.
9061 * tree-ssa-dom.c: Likewise.
9062 * tree-ssa-operands.c: Likewise.
9063 * tree-tailcall.c: Likewise.
9064 * tree-vectorizer.c: Likewise.
9065 * tree-vrp.c: Likewise.
9068 2005-07-28 Jeff Law <law@redhat.com>
9070 * tree-vrp.c (test_for_singularity): Extracted from ...
9071 (simplify_cond_using_ranges): Attempt to simplify a relational
9072 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9074 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9076 PR tree-optimization/22506
9077 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9078 phis whose argument is constant.
9080 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9082 PR rtl-optimization/18992
9083 Back out this patch:
9084 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9085 PR optimization/12142
9086 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9087 uses of the register in the SET_SRC. Remove unnecessary argument.
9089 Replace it with this:
9090 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9091 if flag_non_call_exceptions is set and the insn may trap, pass
9092 pc_rtx as dest for recursion.
9093 In SET_SRC part of SET case, if dest is already set, pass it down
9096 2005-07-28 Jan Hubicka <jh@suse.cz>
9098 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9099 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9100 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9102 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9103 profile when available.
9105 2005-07-28 Jan Beulich <jbeulich@novell.com>
9107 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9108 (ia64_print_operand): Describe and handle 'X'.
9109 (ia64_register_move_cost): Also handle FP_REGS.
9110 (ia64_preferred_reload_class): Likewise.
9111 (ia64_secondary_reload_class): Likewise.
9112 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9113 it. Also check for ITANIUM_CLASS_FLDP.
9114 * config/ia64/ia64.h (FP_REGNO_P): New.
9115 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9116 (reg_class): Add FP_REGS.
9117 (REG_CLASS_NAMES): Adjust for it.
9118 (REG_CLASS_CONTENTS): Likewise.
9119 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9120 (REG_CLASS_FROM_LETTER): Handle 'x'.
9121 (CLASS_MAX_NREGS): Handle FP_REGS.
9122 (MEMORY_MOVE_COST): Likewise.
9123 * config/ia64/ia64.md (itanium_class): Add fldp.
9124 (type): Handle fldp.
9125 (movti_internal): More allowable operand combinations. Use ldfp8 when
9126 splitting unnecessary. Remove predicable attribute. Adjust
9127 itanium_class attribute.
9128 (smuldi3_highpart): Remove outdated comment.
9129 (mulditi3, umulditi3, rotlti3): New expanders.
9130 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9131 (absti2): Disabled new insn for future reference.
9132 Respective new splitters.
9133 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9134 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9135 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9137 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9139 PR rtl-optimization/23047
9140 * simplify-rtx.c (simplify_const_relational_operation): Respect
9141 flag_wrapv for comparisons with ABS.
9143 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9145 PR tree-optimization/22493
9146 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9147 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9149 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9151 * config/frv/frv.opt (moptimize-membar): New.
9153 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9155 * config/frv/frv.h: Remove machine_function definition.
9157 * config/frv/frv.c (struct frv_io): New.
9158 (struct machine_function): Moved from frv.h. Add has_membar_p.
9159 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9160 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9161 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9162 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9163 (frv_reorg): Call frv_optimize_membar when appropriate.
9164 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9165 (frv_expand_builtin): Adjust calls accordingly.
9166 (frv_io_address_cookie): New function.
9167 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9168 load or store rather than a special insn. Add ccnstant address and
9169 io-type operands to the membar.
9170 (frv_ifcvt_modify_tests): Unsign regno.
9171 (frv_ifcvt_modify_tests): Same.
9173 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9174 UNSPEC_OPTIONAL_MEMBAR constant.
9175 (builtin_read_<mode>): Delete.
9176 (builtin_write_<mode>): Delete.
9177 ("optional_membar_<mode>"): Add operand.
9179 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9180 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9181 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9182 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9183 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9184 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9185 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9186 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9187 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9189 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9191 * df.c (df_uses_record): Handle SCRATCH.
9193 2005-07-28 Steven Bosscher <stevenb@suse.de>
9196 * passes.c (rest_of_decl_compilation): If decl is a type and
9197 we have encountered errors, don't emit debug information.
9199 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9201 * params.def: Fixed comment.
9203 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9206 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9207 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9208 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9210 2005-07-27 Steven Bosscher <stevenb@suse.de>
9213 * varasm.c (assemble_start_function): Don't do anything that may
9214 require a CFG if the current function is a thunk.
9216 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9218 * doc/install.texi (Prerequisites): Mention that perl is needed
9219 to do export control in libstdc++ targetting Darwin.
9221 2005-07-27 Steven Bosscher <stevenb@suse.de>
9223 PR rtl-optimization/17808
9224 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9225 (sched_insns_conditions_mutex_p): Split out from...
9226 (add_dependence): ...here. But don't call it from here.
9227 (add_dependence_list): Check sched_insns_conditions_mutex_p
9228 before calling add_dependence.
9229 (add_dependence_list_and_free): Likewise.
9230 (fixup_sched_groups): Likewise.
9231 (sched_analyze_1): Likewise.
9232 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9233 (sched_analyze): Likewise.
9234 (sched_analyze_insn): Likewise.
9235 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9236 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9237 dependencies on all COND_EXEC insns to jumps ending basic blocks
9238 when doing intrablock scheduling.
9239 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9241 2005-07-27 Jeff Law <law@redhat.com>
9243 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9244 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9245 equivalency sets, correctly handle the case were vr0 has an
9246 equivalency set, but vr1 does not.
9248 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9250 PR tree-optimization/23073
9251 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9252 vect_print_dump_info before fprintf.
9254 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9256 PR tree-optimize/22348
9257 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9258 Fold the partial computation.
9260 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9262 PR tree-optimization/22325
9263 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9265 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9267 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9268 (force_var_cost): ... this function.
9269 (compute_phi_arg_on_exit): Export.
9271 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9273 PR tree-optimization/20773
9274 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9277 2005-07-27 Richard Guenther <rguenther@suse.de>
9279 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9280 Avoid pushing again if current struct contains only
9281 fields we decomposed.
9283 2005-07-27 Jan Hubicka <jh@suse.cz>
9285 PR tree-optimization/22574
9286 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9289 * tree-tailcall.c (decrease_profile): New function.
9290 (eliminate_tail_call): Use it.
9292 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9293 visibility flags correctly in whole program mode.
9295 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9297 PR rtl-optimization/22472
9298 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9300 2005-07-26 Steven Bosscher <stevenb@suse.de>
9302 PR tree-optimization/22504
9303 * tree-complex.c (expand_complex_addition): Use 'code' instead
9304 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9306 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9308 * config.gcc (cpu_type): Add frv case.
9309 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9310 (supported_defaults): Add fr550 case.
9312 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9315 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9316 whether a pointer of type T * may point to objects of type T *.
9318 2005-07-26 DJ Delorie <dj@redhat.com>
9320 * configure: Regenerate.
9322 2005-07-26 Dale Johannesen <dalej@apple.com>
9324 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9326 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9328 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9329 Clarify use of "build" in name.
9331 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9333 * doc/extend.texi (Raw read/write Functions): New section.
9334 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9335 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9336 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9337 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9338 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9339 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9340 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9341 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9342 * config/frv/frv.c: Add bdesc_loads global.
9343 Add bdesc_stores global.
9344 (frv_init_builtins): Add support for __builtin_{read/write}*.
9345 (frv_volatile_memref): New.
9346 (frv_expand_load_builtin): New.
9347 (frv_expand_store_builtin): New.
9348 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9349 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9350 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9351 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9352 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9353 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9354 (builtin_read_<mode>): New.
9355 (builtin_write_<mode>): New.
9356 (builtin_write64): New.
9357 (optional_membar_<mode>): New.
9359 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9361 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9362 (rather than units) against HOST_BITS_PER_WIDE_INT.
9364 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9366 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9367 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9368 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9369 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9372 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9373 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9374 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9376 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9378 2005-07-26 Richard Guenther <rguenther@suse.de>
9380 PR tree-optimization/22486
9381 * fold-const.c (fold_unary): Fold away useless component
9382 references of the form (T *)&T.x, if the address
9385 2005-07-25 James E Wilson <wilson@specifixinc.com>
9387 * dwarf2out.c (add_call_src_coords_attributes): New.
9388 (gen_inlined_subroutine_die): Call it.
9389 (maybe_emit_file, init_file_table): Add comments.
9390 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9392 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9393 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9394 * tree.h (BLOCK_SOURCE_LOCATION): New.
9395 (struct tree_block): New field locus.
9397 2005-07-26 Andreas Schwab <schwab@suse.de>
9399 PR rtl-optimization/23043
9400 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9401 when allocating a struct unoccr.
9403 2005-07-25 Richard Henderson <rth@redhat.com>
9406 * tree-complex.c (gate_no_optimization): True if errors.
9407 * Makefile.in (tree-complex.o): Update dependencies.
9409 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
9411 * config/frv/predicates.md (integer_register_operand): Use
9414 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9417 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9419 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9421 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9423 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9424 types when flag_unsafe_math_optimizations is true.
9426 2005-07-25 Mark Mitchell <mark@codesourcery.com>
9428 * gcc.c (option_map): Add --sysroot.
9429 (process_command): Handle --sysroot.
9430 (display_help): Document it.
9431 * doc/cppopts.tex (-isysroot): Document.
9432 * doc/invoke.texi (--sysroot): Document.
9433 * doc/install.texi (--with-build-sysroot): Document.
9435 * Makefile.in (inhibit_libc): New variable.
9436 (INHIBIT_LIBC_CFLAGS): Likewise.
9437 (LIBGCC2_CFLAGS): Include
9438 $(INHIBIT_LIBC_CFLAGS).
9439 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9440 ($(T)crtbegin.o): Do not use @inhibit_libc@.
9441 ($(T)crtend.o): Likewise.
9442 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9443 ($(T)crtendS.o): Likewise.
9444 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9445 ($(T)crtendT.o): Likewise.
9446 (stmp-fixinc): Do not complain about missing headers if
9448 * configure.ac (inhibit_libc): Set it to true/false.
9449 (--with-build-sysroot): New option. Use it to set
9451 * configure: Regenerated.
9453 2005-07-25 Manfred Hollstein <mh@suse.com>
9455 * calls.c (store_one_arg): Fix unsigned comparison warning.
9457 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
9460 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9461 (ggc_print_statistics): Initialize variable before use.
9463 2005-07-25 Richard Guenther <rguenther@suse.de>
9465 * tree-dfa.c (mark_new_vars_to_rename): Protect against
9466 calling with a PHI_NODE argument.
9468 * tree-flow-inline.h (overlap_subvar): Protect against
9471 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
9473 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9474 * configure: Regenerate.
9476 2005-07-25 Ira Rosen <irar@il.ibm.com>
9478 * expr.c (highest_pow2_factor): Make extern.
9479 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9480 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9481 record_array_differ_p, array_ptr_differ_p): Likewise.
9482 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9483 additional cases. Call the above functions.
9484 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9485 base_object_differ_p when there are two base objects. Otherwise, compare
9486 base address and offset. Call may_alias_p.
9487 (dump_data_reference): Use a correct field name.
9488 (analyze_array): Make static. Initialize new data-ref fields.
9489 (analyze_indirect_ref): New function.
9490 (init_data_ref): Initialize new data-ref fields.
9491 (strip_conversion): Moved from tree-vect-analyze.c.
9492 (analyze_offset_expr, get_ptr_offset, address_analysis,
9493 object_analysis): Likewise.
9494 (analyze_offset): New function.
9495 (create_data_ref): Likewise.
9496 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9497 dimensions for ARRAY_REFs only.
9498 (build_classic_dist_vector): Make static.
9499 (access_functions_are_affine_or_constant_p): Call macro to get the
9500 address of access functions.
9501 (compute_all_dependences): Add new parameter
9502 compute_self_and_read_read_dependences. Compute self and read-read
9503 dependences if it is true.
9504 (find_data_references_in_loop): Call create_data_ref. Initialize new
9506 (compute_data_dependences_for_loop): Add new parameter
9507 compute_self_and_read_read_dependences. Remove parameter nb_loops,
9508 compute nb_loops. Call compute_all_dependences,
9509 build_classic_dist_vector and build_classic_dir_vector with correct
9511 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9512 with correct parameters. Compare dimensions for ARRAY_REFs only.
9513 (free_data_refs): Call macro to free access functions.
9514 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9515 fields from stmt_vinfo.
9516 (struct base_object_info): New structure.
9517 (struct data_reference): Move fields to base_object_info. Add fields
9518 first_location and object_info for above structures. Move fields from
9519 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9520 aligned_to. Add macros to access the new fields.
9521 Update functions declarations.
9522 * tree-flow.h (is_aliased_with): Declare.
9523 * tree-loop-linear.c (linear_transform_loops): Call
9524 compute_data_dependences_for_loop with correct parameters.
9525 * tree-ssa-alias.c (is_aliased_with): New function.
9526 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9527 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9528 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9529 vect_base_addr_differ_p, compute_subscript_distance and
9530 build_classic_dist_vector. Add printings. Check absolute value of
9532 (vect_analyze_data_ref_dependences): Go through ddrs instead of
9534 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9535 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9536 to bytes. Add printing.
9537 (vect_compute_data_refs_alignment): Go through loads and stores in one
9539 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9540 vect_analyze_data_ref_access): Likewise.
9541 (vect_analyze_pointer_ref_access): Remove.
9542 (vect_address_analysis, vect_object_analysis): Likewise.
9543 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9544 and analyze data-refs in the loop.
9545 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9546 fields of data-ref instead of stmt. Add init to the offset from the
9548 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9549 (vect_update_init_of_dr): Likewise.
9550 (vect_update_inits_of_drs): Go through loads and stores in one loop.
9551 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9553 (new_loop_vec_info): Initialize new fields.
9554 (destroy_loop_vec_info): Free new fields.
9555 (vect_strip_conversion): Remove.
9556 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9557 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9558 datarefs. Add new field ddrs.
9559 Add macros for the new fields access.
9560 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9561 base_aligned_p, misalignment, memtag, ptr_info and subvars.
9562 Remove their macros.
9563 * tree.h (highest_pow2_factor): Declare.
9565 2005-07-25 Jakub Jelinek <jakub@redhat.com>
9567 * calls.c (store_one_arg): Check for sibling call MEM arguments
9568 from already clobbered incoming argument area.
9570 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9572 * c-common.c (check_missing_format_attribute): New.
9573 * c-common.h (check_missing_format_attribute): Likewise.
9574 * c-typeck.c (convert_for_assignment): Use it.
9576 2005-07-24 Andreas Schwab <schwab@suse.de>
9578 * config/m68k/m68k.md ("extendqidi2"): When source is an address
9579 register use a word move. Correct operand of ext.w in 68000 code.
9581 2005-07-23 Mark Mitchell <mark@codesourcery.com>
9583 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9584 variables as declarations, rather than definitions.
9586 2005-07-24 Ira Rosen <irar@il.ibm.com>
9588 PR tree-optimization/22526
9589 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9592 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9594 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9595 that C99 reserve for future use. Use it to define clog10,
9596 clog10f and clog10l.
9598 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9600 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9601 * configure.ac: Check for -Wmissing-format-attribute.
9603 * configure: Regenerate.
9605 2005-07-23 Richard Henderson <rth@redhat.com>
9607 PR tree-optimization/22623
9608 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9610 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
9613 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9615 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9617 * Makefile.in (C_TREE_H): Update dependencies.
9618 * c-tree.h: Include toplev.h.
9619 * diagnostic.h (diagnostic_set_info): Add format attribute.
9620 * rtl-error.c (diagnostic_for_asm): Likewise.
9622 2005-07-23 Chao-ying Fu <fu@mips.com>
9624 * config/mips/mips-dsp.md: New file.
9625 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9626 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9628 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9629 MIPS_BUILTIN_BPOSGE32.
9630 (mips_expand_builtin_direct): Add one parameter to indicate that
9631 builtin functions need to return a value.
9632 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9634 (mips_regno_to_class): Add classes for 12 new DSP registers.
9635 (mips_subword): Change to check four HI registers.
9636 (mips_output_move): Output move to and from 6 new DSP accumulators.
9637 (override_options): Make sure -mdsp and -mips16 are not used together.
9638 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
9640 (mips_conditional_register_usage): Disable 6 new DSP accumulators
9642 (print_operand): Add 'q' for printing DSP accumulators.
9643 (mips_cannot_change_mode_class): Check ACC_REGS.
9644 (mips_secondary_reload_class): Check ACC_REGS.
9645 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9646 (mips_register_move_cost): Check ACC_REGS.
9647 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9648 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9649 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9650 (dsp_bdesc): New array.
9651 (bdesc_arrays): Add DSP builtin function table.
9652 (mips_prepare_builtin_arg): Check predicate again after
9654 (mips_expand_builtin): Add one more parameter to
9655 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9656 MIPS_BUILTIN_BPOSGE32.
9657 (mips_init_builtins): Initialize new function types.
9658 (mips_expand_builtin_direct): Check if builtin functions need to
9659 return a value and pass operands properly.
9660 (mips_expand_builtin_bposge): New function.
9661 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9662 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9663 (FIRST_PSEUDO_REGISTER): Increase to 188.
9664 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9665 Update for 12 new DSP registers.
9666 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9667 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9668 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9669 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9670 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9671 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9672 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9673 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9674 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9675 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9676 (REGISTER_NAMES): Add names for 12 new DSP registers.
9677 * config/mips/mips.md: Include mips-dsp.md.
9678 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9679 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9680 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9681 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9682 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9683 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9684 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9685 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9686 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9687 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9688 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9689 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9690 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9691 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9692 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9693 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9694 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9695 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9696 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9697 (UNSPEC_RDDSP): New constants.
9698 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9699 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
9701 * config/mips/mips.opt (-mdsp): New option.
9702 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9703 (reg_imm10_operand): New predicates.
9704 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9705 * doc/invoke.texi (-mdsp): Document new option.
9707 2005-07-22 DJ Delorie <dj@redhat.com>
9709 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9711 * tree-inline.c (inlinable_function_p): Likewise.
9713 2005-07-22 Mark Mitchell <mark@codesourcery.com>
9716 * toplev.c (check_global_declarations): Do not mark undefined
9717 variables as DECL_IGNORED_P.
9718 * varasm.c (first_global_object_name): GTY it.
9719 (weak_global_object_name): Likewise.
9720 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9721 a string to go into {weak,first}_global_object_name.
9723 2005-07-22 DJ Delorie <dj@redhat.com>
9725 * c-format.c (check_function_format): Change warning control
9726 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9728 2005-07-22 Diego Novillo <dnovillo@redhat.com>
9730 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9731 &PTR->FLD a dereference of PTR.
9732 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9733 a potential dereference of PTR.
9735 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
9737 PR rtl-optimization/20370
9738 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9739 call allocate_reg_info if necessary.
9741 PR rtl-optimization/21848
9742 * calls.c (emit_library_call_value_1): For const functions, add
9743 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9745 PR rtl-optimization/22445
9746 * cselib.c (target.h): Include.
9747 (rtx_equal_for_cselib_p): Allow commutative matches.
9748 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9749 Remove MODE parameter. Changed all callers.
9751 PR rtl-optimization/22258
9752 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9754 (try_combine): Use likely_spilled_retval_p.
9756 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
9758 * config.gcc: Add crx-elf support.
9760 * doc/contrib.texi: Mention crx.
9761 * doc/extend.texi: Document crx extensions.
9762 * doc/install.texi: Document crx install.
9763 * doc/invoke.texi: Document crx options.
9764 * doc/md.texi: Document crx constraints.
9766 * config/crx/crx-protos.h: New file.
9767 * config/crx/crx.c: New file.
9768 * config/crx/crx.h: New file.
9769 * config/crx/crx.md: New file.
9770 * config/crx/crx.opt: New file.
9771 * config/crx/t-crx: New file.
9773 2005-07-22 Manfred Hollstein <mh@suse.com>
9775 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9777 (int_add_graph_edge): Likewise.
9778 (collapse_nodes): Likewise.
9779 (process_unification_queue): Likewise.
9781 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9782 Laurent GUERBY <laurent@guerby.net>
9784 PR tree-optimization/22336
9785 * function.c (record_block_change): Check for
9786 cfun->ib_boundaries_block.
9788 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
9790 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9791 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9793 2005-07-21 DJ Delorie <dj@redhat.com>
9795 * toplev.c (warn_deprecated_use): Add warning control to warning
9797 * c-typeck.c (parser_build_binary_op): Likewise.
9798 (c_finish_if_stmt): Likewise.
9799 * c-common.c (check_function_sentinel): Likewise.
9800 (check_nonnull_arg): Likewise.
9802 2005-07-21 Richard Henderson <rth@redhat.com>
9805 * tree-complex.c (complex_ssa_name_components): New.
9806 (cvc_lookup): Allow entry not found.
9807 (create_components): Remove.
9808 (create_one_component_var, get_component_var): New.
9809 (get_component_ssa_name, set_component_ssa_name): New.
9810 (extract_component): Use get_component_ssa_name.
9811 (update_complex_components): Use set_component_ssa_name.
9812 (update_complex_components_on_edge): Likewise.
9813 (update_phi_components): Create new PHI nodes directly, instead
9814 of adding insns to edges.
9815 (tree_lower_complex): Allocate and free complex_variable_components
9816 and complex_ssa_name_components here.
9818 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
9820 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9821 revert to returning false.
9823 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9826 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9828 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9831 * config/i386/i386.md (cmpxf): Change operand constraints
9832 to "nonmemory_operand".
9834 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9836 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9838 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9841 * fold-const.c (fold_build1): Add checksum for the operands.
9842 (fold_build2): Likewise.
9843 (fold_build3): Likewise.
9845 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9848 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9850 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9852 * common.opt (-fforward-propagate): Committed by mistake,
9855 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9857 * reg-stack.c: Fix comment typo(s).
9858 * tree-ssa-operands.c: Likewise.
9859 * tree-vectorizer: Likewise.
9861 2005-07-21 Nick Clifton <nickc@redhat.com>
9863 * config/sh/symbian.c: Replace C++ style line comments with C
9864 style line comments.
9865 (symbian_add_attribute): Do not use a ? operator on the LHS of
9867 (sh_symbian_handle_dll_attribute): Change the type of the
9868 method vector to "VEC(tree,gc)*" and use vector accessor
9869 macros to walk over the elements.
9870 (symbian_export_vtable_and_rtti_p): Likewise.
9871 (symbian_class_needs_attribute_p): Likewise.
9873 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9876 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9877 initialize targetm.resolve_overloaded_builtin here.
9878 (altivec_expand_overloaded_builtin): Make it non-static.
9879 * config/rs6000/rs6000-protos.h
9880 (altivec_expand_overloaded_builtin): New prototype.
9881 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9882 targetm.resolve_overloaded_builtin here.
9883 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9885 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9886 Zdenek Dvorak <dvorakz@suse.cz>
9888 PR tree-optimization/19210
9889 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9891 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9892 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9893 rely on unproven assumptions.
9894 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9895 * tree-flow.h (number_of_iterations_exit): Add final parameter.
9896 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9897 to number_of_iterations_exit.
9898 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9899 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9900 * tree-ssa-loop-niter.c (find_loop_niter,
9901 estimate_numbers_of_iterations_loop): Likewise.
9902 (number_of_iterations_exit): Honor the new options.
9903 * doc/invoke.texi (Wunsafe-loop-optimizations,
9904 funsafe-loop-optimizations): Document them.
9906 2005-07-21 Richard Sandiford <richard@codesourcery.com>
9908 PR rtl-optimization/22167
9909 * gcse.c (hoist_code): Fix hoist_exprs[] check.
9911 2005-07-20 Adam Nemet <anemet@lnxw.com>
9913 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9914 __do_global_dtors_aux longcall.
9916 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
9918 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9919 (old_special_pred_table): Don't reference
9920 SPECIAL_MODE_PREDICATES.
9921 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9922 * config/arc/arc.h: Don't mention PREDICATE_CODES.
9923 * config/sh/predicates.h: Don't mention
9924 SPECIAL_MODE_PREDICATES.
9925 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9928 2005-07-20 DJ Delorie <dj@redhat.com>
9930 * config.gcc: Add m32c-elf support.
9932 * doc/contrib.texi: Mention m32c.
9933 * doc/extend.texi: Document m32c extensions.
9934 * doc/install.texi: Mention m32c.
9935 * doc/invoke.texi: Document m32c options.
9936 * doc/md.texi: Document m32c constraints.
9938 * config/m32c/addsub.md: New file.
9939 * config/m32c/bitops.md: New file.
9940 * config/m32c/cond.md: New file.
9941 * config/m32c/jump.md: New file.
9942 * config/m32c/m32c-lib1.S: New file.
9943 * config/m32c/m32c-lib2.c: New file.
9944 * config/m32c/m32c-modes.def: New file.
9945 * config/m32c/m32c-pragma.c: New file.
9946 * config/m32c/m32c-protos.h: New file.
9947 * config/m32c/m32c.abi: New file.
9948 * config/m32c/m32c.c: New file.
9949 * config/m32c/m32c.h: New file.
9950 * config/m32c/m32c.md: New file.
9951 * config/m32c/m32c.opt: New file.
9952 * config/m32c/minmax.md: New file.
9953 * config/m32c/mov.md: New file.
9954 * config/m32c/muldiv.md: New file.
9955 * config/m32c/predicates.md: New file.
9956 * config/m32c/prologue.md: New file.
9957 * config/m32c/shift.md: New file.
9958 * config/m32c/t-m32c: New file.
9960 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9962 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9963 (stack_protect_set, stack_protect_test): New expanders.
9964 (stack_protect_set_si, stack_protect_set_si_media,
9965 stack_protect_set_di_media, stack_protect_test_si,
9966 stack_protect_test_si_media, stack_protect_test_di_media):
9969 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
9971 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9973 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
9975 * tree.h (tree_expr_nonzero_p): Export.
9976 * fold-const.c (tree_expr_nonzero_p): Likewise.
9977 Return true for CALL_EXPRs that are alloca calls.
9978 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9980 * tree-flow.h (expr_computes_nonzero): Remove.
9981 * tree-vrp.c (expr_computes_nonzero): Remove.
9982 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9983 (extract_range_from_unary_expr): Likewise.
9984 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9985 tree_expr_nonzero_p.
9987 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
9989 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9990 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
9991 extra arg "picreg" and use it instead of pic_offset_table_rtx.
9992 All callers changed.
9993 (frame_related_constant_load): New arg "related" which controls
9994 setting of RTX_FRAME_RELATED_P. All callers changed.
9995 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9996 (bfin_expand_prologue): Add stack limit checking.
9997 * config/bfin/bfin.md (trapifcc): New pattern.
9999 * config/bfin/bfin.c: Include "langhooks.h".
10000 (def_builtin): Go through lang_hooks to call builtin_function.
10002 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10003 * config/bfin/predicates.md (symbol_ref_operand): New.
10004 (call_insn_operand): Delete. All callers changed to use
10005 register_no_elim_operand.
10006 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10008 (function_arg): Use it to generate the call's operand 2.
10009 (bfin_longcall_p): New function.
10010 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10011 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10012 determine if the address needs to be in a REG.
10013 (bfin_handle_longcall_attribute): New function.
10014 (bfin_attribute_table): Add "longcall" and "shortcall".
10015 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10016 (CUMULATIVE_ARGS): New member call_cookie.
10017 (PREDICATE_CODES): Add symbol_ref_operand.
10018 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10019 extra USE to the pattern.
10020 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10021 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10022 sibcall_value_insn; now the new patterns handle direct calls and the
10023 old ones indirect calls.
10024 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10026 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10028 * doc/trouble.texi: Update section on handling of empty loops.
10030 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10032 * config.gcc: Remove support for sparc-*-openbsd*,
10033 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10035 * config.host: Remove support for i860-*-sysv4* as a host.
10036 * config/i860/*, config/ip2k/*, config/ns32k/*,
10037 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10038 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10039 mention obsolete ports.
10041 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10043 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10044 soft frame pointer.
10045 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10046 of frame_pointer_rtx.
10047 (sh_expand_epilogue): Likewise.
10048 (sh_set_return_address): Likewise.
10049 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10050 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10051 offsets from FRAME_POINTER_REGNUM.
10052 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10053 (sh_register_names): Add initializer for sfp.
10054 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10055 (VALID_REGISTER_P): Likewise.
10056 (FIRST_PSEUDO_REGISTER): Update.
10057 (DWARF_FRAME_REGISTERS): Define.
10058 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10059 (HARD_FRAME_POINTER_REGNUM): Define.
10060 (FRAME_POINTER_REGNUM): Redefine.
10061 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10062 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10063 from FRAME_POINTER_REGNUM.
10064 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10065 FRAME_POINTER_REGNUM.
10066 (REG_CLASS_CONTENTS): Add sfp.
10067 (REG_ALLOC_ORDER): Likewise.
10068 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10069 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10070 of frame_pointer_rtx.
10071 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10073 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10075 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10076 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10077 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10079 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10082 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10084 Make CONSTRUCTOR use VEC to store initializers.
10085 * c-common.c (complete_array_type): Update to cope with VEC in
10087 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10088 (pp_c_constructor_elts): New function.
10089 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10090 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10091 struct constructor_stack, struct initializer_stack,
10092 constructor_elements, push_init_level, pop_init_level,
10093 add_pending_init, find_init_member, output_init_element): Update to
10094 cope with VEC in CONSTRUCTOR_ELTS.
10095 * coverage.c (build_fn_info_value, build_ctr_info_value,
10096 build_gcov_info): Likewise.
10097 * expr.c (categorize_ctor_elements_1, store_constructor,
10098 expand_expr_real_1): Likewise.
10099 * fold-const.c (fold_ternary): Likewise.
10100 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10101 gimplify_init_constructor, gimplify_expr): Likewise.
10102 * tree-dump.c (dequeue_and_dump): Likewise.
10103 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10105 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10107 * tree-sra.c (generate_element_init_1): Likewise.
10108 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10109 * tree-ssa-operands.c (get_expr_operands): Likewise.
10110 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10111 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10112 (get_initial_def_for_reduction): Likewise.
10113 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10114 value handle in annotations.
10115 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10116 tree_node_structure): Add support for constr_kind.
10117 (build_vector_from_ctor, build_constructor_single,
10118 build_constructor_from_list): New functions.
10119 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10120 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10121 Update to cope with VEC in CONSTRUCTOR_ELTS.
10122 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10123 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10124 CONSTRUCTOR_APPEND_ELT): New macros.
10125 (struct constructor_elt, struct tree_constructor): New data types.
10126 (union tree_node): Add tree_constructor field.
10127 * treestruct.def: Define TS_CONSTRUCTOR.
10128 * varasm.c (const_hash_1, compare_constant, copy_constant,
10129 compute_reloc_for_constant, output_addressed_constants,
10130 initializer_constant_valid_p, output_constant,
10131 array_size_for_constructor, output_constructor): Update to cope with
10132 VEC in CONSTRUCTOR_ELTS.
10133 * vec.h (VEC_empty, VEC_copy): New macros.
10135 2005-07-19 Devang Patel <dpatel@apple.com>
10137 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10139 2005-07-19 Richard Henderson <rth@redhat.com>
10142 * gimplify.c (gimplify_expr): Use main variant type for the temp
10143 destination for a discarded volatile read.
10144 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10145 casts between non-void types that change volatility.
10147 2005-07-15 DJ Delorie <dj@redhat.com>
10149 * toplev.h: Add comment about the first parameter for warning().
10150 * errors.h: Likewise.
10152 * c.opt (Wpragmas): New.
10153 * doc/invoke.texi: Document it.
10155 * function.c (do_warn_unused_parameter): Add warning control to
10157 * c-decl.c (warn_if_shadowing): Likewise.
10158 * c-lex.c (cb_def_pragma): Likewise.
10159 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10160 (pop_alignment): Likewise.
10161 (handle_pragma_pack): Likewise.
10162 (apply_pragma_weak): Likewise.
10163 (handle_pragma_weak): Likewise.
10164 (handle_pragma_redefine_extname): Likewise.
10165 (add_to_renaming_pragma_list): Likewise.
10166 (handle_pragma_extern_prefix): Likewise.
10167 (maybe_apply_renaming_pragma): Likewise.
10168 (handle_pragma_visibility): Likewise.
10170 * config/c4x/c4x-c.c (BAD): Likewise.
10171 (c4x_parse_pragma): Likewise.
10172 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10173 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10174 (rs6000_pragma_longcall): Likewise.
10175 * config/v850/v850-c.c (pop_data_area): Likewise.
10176 (ghs_pragma_section): Likewise.
10177 (ghs_pragma_section): Likewise.
10178 (ghs_pragma_interrupt): Likewise.
10179 (ghs_pragma_starttda): Likewise.
10180 (ghs_pragma_startsda): Likewise.
10181 (ghs_pragma_startzda): Likewise.
10182 (ghs_pragma_endtda): Likewise.
10183 (ghs_pragma_endsda): Likewise.
10184 (ghs_pragma_endzda): Likewise.
10186 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10187 Kenneth Zadeck <zadeck@naturalbridge.com>
10189 * Makefile.in: Removed tree-promote-statics.c
10190 * tree-promote-statics.c: Removed.
10191 * common.opt: Removed flag-promote-statics.
10193 * passes.c: Removed tree-promote-statics pass.
10194 * tree-pass.h: Ditto.
10195 * timevar.def: Removed TV_PROMOTE_STATICS.
10198 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10200 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10202 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10204 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10207 * c-common.c (check_function_arguments): Call
10208 'check_function_format' if either -Wformat or
10209 -Wmissing-format-attribute are specified.
10210 * c-format.c (check_function_format): Check -Wformat before
10211 calling 'check_format_info'.
10212 * c-opts.c (c_common_post_options): Don't warn for
10213 -Wmissing-format-attribute without -Wformat.
10214 * c-typeck.c (convert_for_assignment): Detect additional cases for
10215 -Wmissing-format-attribute.
10216 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10219 2005-07-19 Richard Guenther <rguenther@suse.de>
10221 * config/i386/i386.md (lrint<mode>2): Use temporary
10222 instead of clobbering non-existent memory.
10224 2005-07-19 Nick Clifton <nickc@redhat.com>
10226 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10227 statement to avoid displaying ASCII control characters.
10229 2005-07-19 Ben Elliston <bje@au.ibm.com>
10231 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10232 * cfganal.c (find_edge_index): Ditto.
10233 * combine.c (combine_instructions): Ditto.
10234 * ddg.c (create_scc): Ditto.
10235 (find_successors): Ditto.
10236 (find_predecessors): Ditto.
10237 (find_nodes_on_paths): Ditto.
10238 (longest_simple_path): Ditto.
10239 * flow.c (update_life_info): Ditto.
10240 (count_or_remove_death_notes): Ditto.
10241 (clear_log_links): Ditto.
10242 * modulo-sched.c (generate_reg_moves): Ditto.
10243 (find_max_asap): Ditto.
10244 (find_max_hv_min_mob): Ditto.
10245 (find_max_dv_min_mob): Ditto.
10246 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10247 * sched-rgn.c (extract_edgelst): Ditto.
10248 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10249 (dump_update_ssa): Ditto.
10250 (ssa_names_to_replace) Ditto.
10251 (switch_virtuals_to_full_rewrite): Ditto.
10252 (update_ssa): Ditto.
10253 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10255 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10257 Fix PR tree-optimization/22483
10259 * tree-complex.c (create_components): Use
10260 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10261 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10262 * tree-flow.h (safe_referenced_var_iterator): New structure.
10263 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10264 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10265 safe_referenced_var iterator.
10266 (add_type_alias): Ditto.
10268 2005-07-19 Steven Bosscher <stevenb@suse.de>
10270 * loop-init.c (rest_of_handle_loop2): Remove.
10271 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10272 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10273 (pass_rtl_loop_init, pass_rtl_loop_done,
10274 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10275 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10276 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10277 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10278 pass_tree_loop_done, and pass_tree_unswitch.
10279 (gate_loop): Rename to gate_tree_loop.
10280 * passes.c (init_optimization_passes): Update for renamed tree
10281 loop passes. Add the new loop2 passes as subpasses of loop2.
10282 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10283 Update for the renamed tree loop passes.
10285 2005-07-18 Ian Lance Taylor <ian@airs.com>
10287 PR middle-end/22057
10288 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10289 blocks when optimizing.
10291 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10293 * common.opt (frename-registers): Initialize to 2.
10295 (fgcse-after-reload): Ditto.
10296 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10297 (process_options): Only change flag_web, flag_rename_registers,
10298 and flag_rerun_cse_after_loop if not explicitly set by user.
10300 2005-07-18 Jan Beulich <jbeulich@novell.com>
10302 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10303 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10304 in 64-bit mode the same as DImode in 32-bit mode.
10305 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10306 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10307 mode. Add new mode parameter.
10308 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10309 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10310 x86_64_shift_adj): New expanders.
10311 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10312 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10314 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10315 DImode shift splitters.
10316 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10317 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10320 2005-07-18 Jan Beulich <jbeulich@novell.com>
10322 * i386.md (movdi_extzv_1): New.
10323 (zero_extendhidi2): Combine alternatives and never force use of
10325 (zero_extendqidi2): Likewise. Don't restrict input selection.
10327 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10329 Fix PR tree-optimization/22531
10330 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10333 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10335 * tree-promote-statics.c (pass_promote_statics): Change dump file
10338 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10340 * tree-optimize.c (init_tree_optimization_passes): Add
10341 pass_eliminate_useless_stores pass.
10342 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10343 * tree-ssa-pre.c (is_copy_stmt): New function.
10344 (follow_copies_till_vuse): Ditto.
10345 (do_eustores): Ditto.
10346 (gate_eustores): Ditto.
10348 2005-07-16 Richard Henderson <rth@redhat.com>
10350 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10352 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10353 Kenneth Zadeck <zadeck@naturalbridge.com>
10355 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10356 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10357 ipa-type-escape.h, tree-promote-statics.c
10358 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10359 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10360 tree-promote-statics.c: new files.
10361 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10362 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10363 int nonlocal_set_p, mark_constant_function): Deleted.
10364 (rest_of_handle_cfg): Removed call to mark_constant_function.
10365 (nonoverlapping_component_refs_p): Added calls to support
10366 type based aliasing.
10367 * tree-ssa-alias.c (may_alias_p,
10368 compute_flow_insensitive_aliasing): Ditto.
10369 * calls.c (flags_from_decl_or_type): Removed reference to
10371 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10372 too many arguments. This is necessary for Spec 2000.
10373 * cgraph.h (const_function, pure_function): Removed.
10374 * common.opt: Added "fipa-pure-const", "fipa-reference",
10375 "fipa-type-escape", and "ftree-promote-static".
10377 * passes.c: Added ipa and tree-promote-statics passes.
10378 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10379 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10380 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10381 * tree-flow.h: Added exposed sra calls and addition of
10382 reference_vars_info field for FUNCTION_DECLS.
10383 * tree-pass.h: Added passes.
10384 * tree-sra.c: (sra_init_cache): New function.
10385 (sra_insert_before, sra_insert_after) Made public.
10386 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10388 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10389 aliasing. (may_alias_p): Added code to use type escape analysis to
10390 improve alias sets.
10391 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10392 code to prune clobbers of static variables based on information
10393 produced in ipa-reference pass. Changed call clobbering so that
10394 statics are not marked as clobbered if the call does not clobber
10397 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
10399 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10402 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10404 * doc/install.texi (*-*-solaris2*): Document recommended version
10405 of GNU binutils and mention GNU linker problem on Solaris 10.
10407 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
10410 * c-decl.c (c_build_bitfield_integer_type): New function.
10411 (finish_struct): Call it.
10412 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10414 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10416 * c-typeck.c (digest_init): Call 'convert_for_assignment'
10419 2005-07-16 Jan Hubicka <jh@suse.cz>
10421 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10422 (scale_bbs_frequencies_int): Watch roundoff errors.
10423 * predict.c (return_prediction): Initialize return_stmt.
10425 2005-07-16 Jan Hubicka <jh@suse.cz>
10427 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10428 after RTL profiling.
10430 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
10432 PR middle-end/22398
10433 * fold-const.c (build_range_check): Convert high/low to etype
10434 if we are only comparing against exp.
10436 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
10438 Fix PR tree-optimization/22376
10439 * tree-ssa-structalias.c (build_constraint_graph): We really meant
10441 (need_to_solve): New function.
10442 (compute_points_to_sets): Use it.
10444 2005-07-15 Jan Hubicka <jh@suse.cz>
10446 * cfg.c (update_bb_profile_for_threading): More diagnostic.
10447 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10449 2005-07-15 Richard Guenther <rguenther@suse.de>
10451 * c-common.c (handle_flatten_attribute): New function.
10452 Add flatten function attribute.
10453 * doc/extend.texi: Document flatten function attribute.
10454 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10455 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10457 (cgraph_decide_inlining): Handle functions with flatten
10460 2005-07-14 David Edelsohn <edelsohn@gnu.org>
10462 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10463 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10464 UNSPEC_XCHG, UNSPEC_AND): New.
10465 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10466 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10467 * config/rs6000/sync.md (FETCHOP): New code macro.
10468 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10470 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10471 (sync_compare_and_swap<mode>): Same.
10472 (sync_lock_test_and_set<mode>): Same.
10473 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10474 for QImode and HImode, and not PPC405.
10475 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10476 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10477 (sync_<fetchop>{si,di}_internal): New.
10478 (sync_nand{si,di}_internal): New.
10479 (sync_old_<fetchop>{si,di}_internal): New.
10480 (sync_old_nand{si,di}_internal): New
10481 (sync_new_<fetchop>{si,di}_internal): New.
10482 (sync_new_nand{si,di}_internal): New.
10483 (atomic_and{si,di}): New.
10484 (sync_new_nand{si,di}_internal): New.
10485 (atomic_and{si,di}): New.
10486 (sync_add<mode>_internal): Delete.
10487 (sync_addshort_internal): Use unspec instead of unspec_volatile.
10488 (sync_sub<mode>_internal): Delte.
10489 (sync_subshort_internal): New.
10490 (sync_andsi_internal): Use unspec instead of unspec_volatile.
10491 (sync_anddi_internal): Delete.
10492 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10493 (sync_booldi_internal): Delete.
10494 (sync_boolc<mode>_internal): Delete.
10495 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10496 (sync_boolc<mode>_internal2): Delete.
10497 (sync_boolcc<mode>_internal): Delete.
10498 (isync, lwsync): Use unspec instead of unspec_volatile.
10499 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10500 Revert UNSPEC_VOLATILE.
10501 (rs6000_split_atomic_op): New.
10502 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10504 2005-07-14 Eric Christopher <echristo@redhat.com>
10506 * config/mips/mips.c (mips_canonicalize_comparison): Cast
10507 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10509 2005-07-14 Eric Christopher <echristo@redhat.com>
10511 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10513 2005-07-14 Steven Bosscher <stevenb@suse.de>
10515 PR tree-optimization/22230
10516 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10517 the computation of the four cross productions for "range op range".
10519 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
10520 Ulrich Weigand <uweigand@de.ibm.com>
10523 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10526 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10528 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10530 2005-07-14 Steve Ellcey <sje@cup.hp.com>
10532 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10534 2005-07-14 Richard Guenther <rguenther@suse.de>
10536 PR middle-end/22347
10537 * config/i386/i386-protos.h (ix86_function_value): Change
10538 prototype to match new target hook.
10539 * config/i386/i386.c (ix86_value_regno): Change prototype
10540 to take extra type argument.
10541 (TARGET_FUNCTION_VALUE): Define.
10542 (ix86_function_ok_for_sibcall): Pass extra argument to
10543 ix86_value_regno, check return slot rtx for exact match.
10544 (ix86_function_value): Take extra parameter. Dispatch to
10545 ix86_value_regno with fndecl/fntype as provided.
10546 (ix86_value_regno): Handle extra type argument.
10547 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10549 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10550 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10551 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10552 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10553 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10555 2005-07-14 Richard Guenther <rguenther@suse.de>
10557 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10558 * calls.c (expand_call): Pass fntype to hard_function_value.
10559 (emit_library_call_value_1): Likewise.
10560 * explow.c: Include target.h.
10561 (hard_function_value): Take extra argument, the fntype.
10562 Use new target hook for function_value.
10563 * expr.h (hard_function_value): Change prototype.
10564 * function.c (aggregate_value_p): Pass 0 as fntype to
10565 hard_function_value.
10566 (assign_parms): Use new target hook for function_value.
10567 Pass 0 as fntype to hard_function_value.
10568 (expand_function_end): Likewise.
10569 * reg-stack.c: Include target.h.
10570 (stack_result): Use new target hook for function_value.
10571 * target-def.h: New target hook function_value.
10572 * target.h: Likewise.
10573 * targhooks.c (default_function_value): New function.
10574 * targhooks.h (default_function_value): Declare.
10576 2005-07-13 Ian Lance Taylor <ian@airs.com>
10578 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10580 2005-07-14 Jan Hubicka <jh@suse.cz>
10582 * tree-dfa.c (dump_variable): Use default_def function.
10583 * tree-ssa-alias.c (dump_points_to_info): Likewise.
10584 * tree-ssa.c (verify_use): Likewise.
10585 * tree-ssanames.c (release_ssa_name): Likewise.
10586 * tree-tailcall.c (eliminate_tail_call): Likewise.
10587 (tree_optimize_tail_calls_1): Likewise.
10588 * tree-vrp.c (get_value_range): Likewise.
10590 2005-07-14 Ben Elliston <bje@au.ibm.com>
10592 * gcc.c (main): Compare language[0] with '*' when iterating over
10595 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10597 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10598 "s390_emit_compare". Add handling of CCZ1mode.
10599 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10600 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10602 (s390_branch_condition_mask): Add CCZ1mode handling.
10603 * config/s390/s390.md: ("seq", "*seq"): New pattern.
10604 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10605 Use CCZ1mode instead of CCZmode.
10606 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
10608 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10610 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10612 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10614 2005-07-13 Eric Christopher <echristo@redhat.com>
10616 * config/mips/mips.c (mips_canonicalize_comparison): New.
10617 (mips_emit_int_relational): Use.
10619 2005-07-13 Eric Christopher <echristo@redhat.com>
10621 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10622 static extra parts.
10623 * config/s390/s390.md: Include tpf.md. Move tpf specific
10625 * config/s390/tpf.md: To here.
10626 * config/s390/s390.opt: Move tpf specific options...
10627 * config/s390/tpf.opt: to here. Add mmain option.
10628 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10629 * config/s390/tpf.h: Rewrite.
10631 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10633 * doc/tm.texi: Remove @xref{Cross-profiling}.
10635 2005-07-13 Jeff Law <law@redhat.com>
10637 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10638 expressions, test their _DECL operands for pointer equality rather
10639 than using operand_equal_p.
10641 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10643 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10644 (TARGET_POSIX_IO): This.
10645 * config/darwin.h: Likewise.
10646 * config/freebsd.h: Likewise.
10647 * config/linux.h: Likewise.
10648 * config/lynx.h: Likewise.
10649 * config/netbsd.h: Likewise.
10650 * config/rs6000/linux64.h: Likewise.
10651 * config/rs6000/linux.h: Likewise.
10652 * config/s390/tpf.h: Likewise.
10653 * config/sh/embed-elf.h: Likewise.
10654 * config/sparc/linux64.h: Likewise.
10655 * config/sparc/linux.h: Likewise.
10656 * config/svr4.h: Likewise.
10657 * gcov-io.h: Likewise.
10659 * doc/tm.texi: Updated.
10661 * libgcov.c (create_file_directory): Defined only if
10662 TARGET_POSIX_IO is defined.
10663 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10666 2005-07-13 Jan Hubicka <jh@suse.cz>
10668 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10670 2005-07-13 David Edelsohn <edelsohn@gnu.org>
10672 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10673 structure as argument.
10675 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
10677 PR tree-optimization/21921
10678 * tree-iterator.c (tsi_link_before): Support the case when
10679 tsi_end_p (tsi) == true.
10681 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10683 PR tree-optimization/22442
10684 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10687 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10689 PR rtl-optimization/20376
10690 * toplev.c (process_options): Enable -fweb and -frename-registers when
10692 * doc/invoke.texi: Update the information about when -fweb and
10693 -frename-registers are enabled.
10695 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10698 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10699 if *rhs_p is not a SSA_NAME.
10701 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
10703 Fix PR tree-optimization/22422
10704 * tree-ssa-structalias.c (struct variable_info): Add flag for
10706 (get_varinfo): Now a static function.
10707 (new_varinfo): init has_union and is_special_var to false.
10708 (solution_set_add): Check has_union.
10709 (do_da_constraint): Move temporary variable so it gets reset
10711 Also check for special variable.
10712 (do_ds_constraint): Ditto.
10713 (do_sd_constraint): Ditto.
10714 (do_structure_copy): Check for special variable.
10715 (find_func_aliases): Ditto.
10716 (init_base_vars): Set special vars properly.
10718 2005-07-13 Jan Hubicka <jh@suse.cz>
10720 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10723 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10724 (get_expr_operands): Fix thinko wrt flags and subvars.
10726 PR tree-optimize/22379
10727 * tree-inline.c (expand_call_inline): Do not output sorry in early
10730 2005-07-12 Dale Johannesen <dalej@apple.com>
10732 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
10734 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10737 * host-linux.h: Include limits.h.
10739 2005-07-12 Dale Johannesen <dalej@apple.com>
10741 * expr.c (compress_float_constant): Add cost check.
10742 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
10744 2005-07-12 Dale Johannesen <dalej@apple.com>
10746 * gcc.target/i386/compress-float-sse.c: New.
10747 * gcc.target/i386/compress-float-sse-pic.c: New.
10748 * gcc.target/i386/compress-float-387.c: New.
10749 * gcc.target/i386/compress-float-387-pic.c: New.
10750 * gcc.dg/compress-float-ppc.c: New.
10751 * gcc.dg/compress-float-ppc-pic.c: New.
10753 2005-07-12 Eric Christopher <echristo@redhat.com>
10755 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10756 static extra parts.
10757 * config/s390/s390.md: Include tpf.md. Move tpf specific
10759 * config/s390/tpf.md: To here.
10760 * config/s390/s390.opt: Move tpf specific options...
10761 * config/s390/tpf.opt: to here. Add mmain option.
10762 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10763 * config/s390/tpf.h: Rewrite.
10765 2005-07-12 Eric Christopher <echristo@redhat.com>
10767 * gcc.c (struct infile): Update comment for language.
10768 (main): Rewrite input file resetting code.
10770 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10773 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10774 requiring a cast in a non RHS of modify_expr. Add a cast when required.
10775 (lookup_avail_expr): Use constant_boolean_node instead
10776 of boolean_false_node/boolean_true_node.
10778 2005-07-12 Ben Elliston <bje@au.ibm.com>
10780 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10781 and use it when printing num_edges.
10783 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
10785 * doc/extend.texi (Blackfin Built-in Functions): New section.
10786 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10789 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
10791 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10792 s/cmpstrsi/cmpstrnsi
10793 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10795 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10796 (init_optabs): Initialize cmpstrn_optab.
10797 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10798 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10799 * expr.c: (enum insn_code cmpstrn_optab): Declare.
10800 * config/i386/i386.md: s/cmpstr/cmpstrn
10801 * config/c4x/c4x.md: s/cmpstr/cmpstrn
10802 * doc/md.texi: Update documentation.
10804 2005-07-11 Richard Henderson <rth@redhat.com>
10806 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10807 build_va_arg_indirect_ref.
10808 (alpha_gimplify_va_arg): Likewise.
10809 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10810 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10811 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10812 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10813 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10814 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10816 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10818 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10820 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10821 * passes.c (init_optimization_passes): Add pass_empty_loop.
10822 * tree-pass.h (pass_empty_loop): Declare.
10823 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10824 try_remove_empty_loop, remove_empty_loops): New functions.
10825 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10826 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10828 2005-07-12 Peter Barada <peter@the-baradas.com>
10830 PR middle-end/16719
10831 PR middle-end/18421
10832 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10833 in address registers.
10834 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10835 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10836 alternative of addsi3_5200.
10838 2005-07-11 Ian Lance Taylor <ian@airs.com>
10840 * config/mips/mips.md (ffs<mode>2): Remove.
10842 2005-07-11 Ian Lance Taylor <ian@airs.com>
10844 * doc/tree-ssa.texi (Cleanups): Improve description of
10846 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10848 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10850 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10851 * tree.h (DECL_ARGUMENT_FLD): New macro.
10853 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10855 Fix PR tree-optimization/22404
10857 * tree-ssa-structalias.c (create_variable_info_for): Use
10860 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
10862 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10863 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10864 for second comparison operand.
10865 * config/bfin/predicates.md (reg_or_const_int_operand): New.
10867 * config/bfin/bfin.md (define_attr "type"): Add "sync".
10868 (define_insn_reservation "alu"): Likewise.
10869 (csync, ssync): Now of type sync.
10870 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10871 -mcsync-anomaly -mspecld-anomaly.
10872 * config/bfin/bfin.opt (mcsync): Remove.
10873 (mcsync-anomaly, mspecld-anomaly): Add.
10874 * config/bfin/bfin.c: Include "insn-codes.h".
10875 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10876 (TARGET_DEFAULT_TARGET_FLAGS): New.
10877 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10879 2005-07-11 Steven Bosscher <stevenb@suse.de>
10881 * basic-block.h: Give the BB flags enum a name, bb_flags.
10882 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10883 * cfgcleanup.c (enum bb_flags): Remove here.
10884 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10885 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10886 (update_forwarder_flag): Likewise.
10887 (thread_jump): Likewise.
10888 (try_forward_edges): Likewise.
10889 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
10890 forwarder flags. Don't clear bb->aux for all basic blocks. Only
10891 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10893 2005-07-11 Richard Guenther <rguenther@suse.de>
10895 * config/i386/i386.opt: New target option -msseregparm.
10896 * config/i386/i386.c (override_options): Error out for
10897 -msseregparm but no SSE support.
10898 (ix86_function_sseregparm): Check for global sseregparm.
10899 * doc/invoke.texi: Document -msseregparm.
10901 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10903 * config.gcc (m32r-*-linux*): Use the default extra_parts.
10904 (m32rle-*-linux*): Ditto.
10906 2005-07-11 Jakub Jelinek <jakub@redhat.com>
10908 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10909 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10912 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10914 PR middle-end/22239
10916 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10917 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10919 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
10921 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10922 (varmap): Heapify varmap.
10923 (constraints): Heapify constraints.
10924 (struct constraint_graph): Heapify succs and preds.
10925 (constraint_vec_find): Update for heapification.
10926 (constraint_set_union): Ditto.
10927 (insert_into_complex): Ditto.
10928 (constraint_edge_vec_find): Ditto.
10929 (erase_graph_self_edge): Ditto.
10930 (add_graph_edge): Ditto.
10931 (get_graph_weights): Ditto.
10932 (merge_graph_nodes): Ditto.
10933 (build_constraint_graph): Ditto.
10934 (topo_visit): Ditto.
10935 (solve_graph): Ditto.
10936 (create_variable_info_for): Ditto.
10937 (init_base_vars): Ditto.
10938 (delete_points_to_sets): Free graph, varmap, and complex constraints.
10939 (condese_varmap_nodes): Free complex vector.
10940 (clear_edges_for_node): Clear succs and preds vector.
10942 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10944 * tree-ssa-structalias.c (update_alias_info): Change counting of
10945 references to not include vdefs.
10947 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10949 * tree-ssa-alias.c (free_used_part_map): Add missing free.
10950 (up_insert): Ditto.
10952 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10954 * pa.c (pa_commutative_p): Make PLUS commutative when
10955 TARGET_NO_SPACE_REGS is true.
10957 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10959 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10960 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10961 * tree-dfa.c (dump_subvars_for): New.
10962 (debug_subvars_for): New.
10963 (dump_variable): Show subvariables if VAR has them.
10964 * tree-flow-inline.h (get_subvar_at): New.
10965 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10966 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10968 (struct subvar): Change fields offset and size to unsigned
10970 (dump_subvars_for): Declare.
10971 (debug_subvars_for): Declare.
10972 (get_subvar_at): Declare.
10973 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10974 to unsigned HOST_WIDE_INT *.
10975 (overlap_subvar): Likewise.
10976 * tree-gimple.c (is_gimple_reg): Always return false for
10977 SFTs and memory tags.
10978 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10979 Update all callers.
10980 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10981 (compute_may_aliases): Call compute_points_to_sets.
10982 (collect_points_to_info_for): Remove.
10983 (compute_points_to_and_addr_escape): Remove.
10984 (delete_alias_info): Call delete_points_to_sets.
10985 (compute_flow_sensitive_aliasing): If the call to
10986 find_what_p_points_to returns false, call set_pt_anything.
10987 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10988 (set_pt_anything): Clear pi->pt_vars.
10989 (set_pt_malloc): Remove.
10990 (merge_pointed_to_info): Remove.
10991 (add_pointed_to_expr): Remove.
10992 (add_pointed_to_var): Remove.
10993 (collect_points_to_info_r): Remove.
10994 (is_escape_site): Make extern.
10996 (create_overlap_variables_for): Call it.
10997 * tree-ssa-copy.c (merge_alias_info): Never merge
10998 flow-sensitive alias information.
10999 * tree-ssa-operands.c (get_expr_operands): Adjust variables
11000 offset and size to be unsigned HOST_WIDE_INT.
11001 (add_to_addressable_set): Rename from note_addressable.
11002 Set TREE_ADDRESSABLE as the variables are added to the set.
11004 (add_stmt_operand): Do not try to micro-optimize unmodifiable
11005 operands into VUSEs when adding V_MAY_DEFs for members in an
11007 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11008 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11009 (struct variable_info): Add bitfield is_heap_var.
11010 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11011 (new_var_info): Initialize is_heap_var.
11012 (get_constraint_for): Add HEAP variables to the symbol table.
11013 Mark them with is_heap_var.
11014 (update_alias_info): New. Taken mostly from the old
11015 compute_points_to_and_addr_escape.
11016 (handle_ptr_arith): New.
11017 (find_func_aliases): Call update_alias_info.
11018 Call handle_ptr_info for tcc_binary expressions.
11019 Call mark_stmt_modified.
11020 (create_variable_info_for): If DECL has subvars, do not create
11021 variables for its subvars. Always add all the fields.
11022 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11023 SFTs, then add all the SFTs of the structure.
11024 If VI->DECL is an aggregate with subvariables, add the SFT at
11026 (find_what_p_points_to): If VI is an artificial variable,
11027 translate to bitfields in SSA_NAME_PTR_INFO.
11028 If the solution is empty, set pi->pt_vars to NULL
11029 (init_base_vars): Create ANYOFFSET.
11030 (compute_points_to_sets): Rename from create_alias_vars.
11032 (pass_build_pta): Remove.
11033 (delete_points_to_sets): Rename from delete_alias_vars.
11034 (pass_del_pta): Remove.
11035 * tree-ssa-structalias.h (struct alias_info): Move from
11037 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11038 NUM_REFERENCES_SET): Likewise.
11039 (compute_points_to_sets, delete_points_to_sets): Declare.
11041 2005-07-09 Richard Henderson <rth@redhat.com>
11043 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11044 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11045 alpha_split_lock_test_and_set_12): New functions.
11046 * config/alpha/alpha-protos.h: Update.
11047 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11048 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11049 * config/alpha/sync.md (I12MODE): New.
11050 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11051 (sync_<fetchop_name><I48MODE>): Likewise.
11052 (sync_nand<I48MODE>): Likewise.
11053 (sync_old_<fetchop_name><I48MODE>): Likewise.
11054 (sync_new_<fetchop_name><I48MODE>): Likewise.
11055 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11056 (sync_compare_and_swap<I48MODE>): Likewise.
11057 (sync_lock_test_and_set<I48MODE>): Likewise.
11058 (sync_compare_and_swap<I12MODE>): New.
11059 (sync_compare_and_swap<I12MODE>_1): New.
11060 (sync_lock_test_and_set<I12MODE>): New.
11061 (sync_lock_test_and_set<I12MODE>_1): New.
11063 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11067 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11069 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11071 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11072 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11074 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11077 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11079 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11081 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11082 memory_operand constraint.
11083 (store_conditional_<mode>): Same.
11084 (sync_compare_and_swap<mode>): Same.
11085 (sync_lock_test_and_set<mode>): Same.
11087 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11089 Rewrite PIC support to more closely model actual instructions.
11090 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11091 (cris_symbol): Remove prototypes for removed functions.
11092 (cris_pic_symbol_type_of, cris_valid_pic_const)
11093 (cris_expand_pic_call_address): Prototypes for new functions.
11094 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11096 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11098 <case ':'>: Add case for new punctuation character.
11099 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11100 emitting (extra) PIC modifier.
11101 <case UNSPEC>: Do not assert for PLT.
11102 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11103 (cris_expand_prologue, cris_expand_epilogue): Check
11104 for pic_offset_table_rtx usage instead of taking
11105 current_function_uses_pic_offset_table as the final word.
11106 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11107 Remove flag_pic difference.
11108 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11109 the moral equivalents of...
11110 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11112 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11113 (cris_handle_option): Mark ARG as unused.
11114 (cris_expand_pic_call_address): New worker function for "call",
11116 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11117 output PIC constructs here.
11118 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11119 as symbol-specific modifers, not whole or part of operands.
11120 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11121 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11122 constants and flag_pic.
11123 (CONSTANT_INDEX_P): Adjust for new functions.
11124 (enum cris_pic_symbol_type): New helper type.
11125 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11126 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11127 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11129 ("movsi"): Emit actual instructions for GOT and relative access.
11130 ("*movsi_got_load"): New pattern to set up the register holding
11132 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11133 Adjust FIXME for 'S'.
11134 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11135 Use "movs" for -fpic cases.
11136 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11137 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11138 ("call", "call_value"): Just call cris_expand_pic_call_address for
11140 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11141 Remove special pattern.
11142 ("*expanded_call_side", "*expanded_call_value_side"): New
11144 (gotplt-to-plt, gotplt-to-plt-side-call)
11145 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11147 * config/cris/cris/predicates.md
11148 ("cris_general_operand_or_gotless_symbol"): Remove unused
11150 ("cris_general_operand_or_symbol"): Adjust for new functions.
11152 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11154 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11156 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11158 * Makefile.in (TREE_H): Add treestruct.def.
11159 (c-decl.o): Add pointer-set.h
11160 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11161 visibility on regular DECL's.
11162 (merge_decls): Fix the copying of decl nodes of various types for
11163 the new structures. Don't update RTL, section name, weak status,
11164 etc, on DECL's without RTL.
11165 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11166 Don't check volatile on non-variable types.
11167 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11168 to check whether we have seen arguments.
11169 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11170 flag is checked before field (flag is common, field is not).
11171 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11172 TS_DECL_COMMON could have an origin.
11173 (add_location_or_const_value_attribute): Don't check section name
11174 on non-var/function decls.
11175 (dwarf2out_var_location): Reverse order of tests.
11176 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11177 with DECL_WRTL_CHECK.
11178 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11179 * fold-const.c (fold_binary): Don't check weakness on
11180 non-var/function decls.
11181 (tree_expr_nonzero_p): Ditto.
11182 (fold_checksum_tree): Use tree_decl_extra as sizeof
11184 * ggc-page.c (extra_order_size_table): Add sizes for
11185 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11187 * gimplify.c (gimplify_bind_expr): Only set
11188 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11189 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11191 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11192 * langhooks.h (init_ts). New langhook.
11193 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11194 * print-tree.c (print_node): Update to only print fields that
11195 exist in the structures the passed decl has.
11196 * toplev.c (wrapup_global_declarations): Don't reset
11197 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11198 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11199 * tree-inline.c (remap_decl): Ditto.
11200 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11201 * tree-pretty-print.c (print_declaration): Don't print
11202 DECL_REGISTER on things that don't contain it.
11203 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11204 non-var/function decls.
11205 * tree.c (tree_contains_struct): New structure.
11206 (init_priority_for_decl): New hashtable.
11207 (tree_int_map): New structure.
11208 (tree_int_map_eq): New function.
11209 (tree_int_map_marked_p): Ditto.
11210 (tree_int_map_hash): Ditto.
11211 (tree_map): Move to tree.h.
11212 (tree_map_eq): Externalize.
11213 (tree_map_hash): Ditto.
11214 (tree_map_marked_p): Ditto.
11215 (init_ttree): Set up tree_contains_struct and call langhook.
11216 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11217 (tree_code_size): Update for new structures.
11218 (tree_node_structure): Update for new structures.
11219 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11221 (copy_node_stat): Copy init priority.
11222 (build_decl_stat): Ditto for visibility.
11223 (ts_enum_names): New.
11224 (tree_contains_struct_check_failed): New function.
11225 (decl_init_priority_lookup): Ditto.
11226 (decl_init_priority_insert): Ditto.
11227 * treestruct.def: New file.
11228 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11229 (CONTAINS_STRUCT_CHECK): Ditto.
11230 (tree_contains_struct_check_failed): New prototype.
11231 (DECL_CHECK): Removed.
11232 (DECL_MINIMAL_CHECK): New.
11233 (DECL_COMMON_CHECK): Ditto.
11234 (DECL_WRTL_CHECK): Ditto.
11235 (DECL_NON_COMMON_CHECK): Ditto.
11236 (DECL_WITH_VIS_CHECK): Ditto.
11237 (VAR_OR_FUNCTION_DECL_P): Ditto
11238 (struct tree_decl_minimal): New structure.
11239 (struct tree_decl_common): Ditto.
11240 (struct tree_decl_with_rtl): Ditto.
11241 (struct tree_decl_with_vis): Ditto.
11242 (struct tree_decl_non_common): Ditto.
11243 (struct tree_field_decl): Ditto.
11244 (struct tree_parm_decl): Ditto.
11245 (struct tree_var_decl): Ditto.
11246 (struct tree_function_decl): Ditto.
11247 (struct tree_const_decl): Ditto.
11248 (struct tree_result_decl): Ditto.
11249 (union tree_node): Add new structures.
11250 * var-tracking.c (track_expr_p): Reverse order of tests.
11252 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11254 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11256 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11257 * system.h: Poison FINALIZE_PIC.
11258 * doc/tm.texi (FINALIZE_PIC): Remove.
11260 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11263 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11264 to the correct type if we have a MODIFY_EXPR.
11266 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11268 PR tree-optimization/22360
11269 * tree.c (upper_bound_in_type): Fix calculations for casting
11270 to a non-wider signed type and casting a signed value to a
11271 wider unsigned type.
11272 (lower_bound_in_type): Fix calculations for casting to a
11273 non-wider signed type.
11275 PR tree-optimization/20139
11276 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11278 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11279 fold_cond_expr_cond.
11280 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11281 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11283 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11286 * tree-complex.c (expand_complex_libcall): Produce
11287 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11289 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11291 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11292 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11293 b" assert and inserted fastpath code for this case.
11294 (bitmap_ior): Removed "a != b" assert.
11296 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11298 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11299 (ENDFILE_SPEC): Likewise.
11300 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11302 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11303 a large stack frame at epilogue.
11305 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11307 * final.c: Include sdbout.h when required.
11309 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11311 * config.gcc (*-*-darwin*): Only one target-specific header file
11312 for generic darwin.
11313 (powerpc-*-darwin*): Add version-specific header files.
11314 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11315 * config.in: Regenerate.
11316 * configure: Regenerate.
11317 * gcc.c: Include xregex.h.
11318 (version_compare_spec_function): New.
11319 (spec_function): Add version-compare.
11320 (replace_outfile_spec_function): Reformat comment.
11321 (compare_version_strings): New.
11322 * config/darwin-c.c (version_as_macro): New.
11323 (builtin_define): New.
11324 (darwin_cpp_builtins): New.
11325 * config/darwin-protos.h (darwin_cpp_builtins): New.
11326 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11327 (LIB_SPEC): Make unconditional, update comment.
11328 (TARGET_C99_FUNCTIONS): Define.
11329 * config/darwin.opt: Sort.
11330 (mmacosx-version-min=): New.
11331 * config/darwin7.h: Delete.
11332 * config/darwin8.h: Delete.
11333 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11334 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11335 (TARGET_C99_FUNCTIONS): Define.
11336 * config/rs6000/darwin7.h: New.
11337 * config/rs6000/darwin8.h: New.
11338 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11339 (-mmacosx-version-min): Document.
11341 2005-07-07 Ian Lance Taylor <ian@airs.com>
11343 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11345 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11347 PR middle-end/22239
11348 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11350 2005-07-07 Khem Raj <kraj@mvista.com>
11352 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11353 in bytes, not words.
11355 2005-07-07 Paul Brook <paul@codesourcery.com>
11357 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11358 DEFAULT_FUNCTION_ARG_PADDING to upward.
11360 2005-07-07 Richard Henderson <rth@redhat.com>
11362 * function.c (locate_and_pad_parm): Record parameter alignment in
11363 stack_alignment_needed.
11365 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11367 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11368 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11369 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11370 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11371 (define_attr "type"): Add isync, sync, load_l, store_c.
11372 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11373 Create scratch volatile MEM.
11374 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11376 (load_locked_<mode>): New.
11377 (store_conditional_<mode>): New.
11378 (sync_compare_and_swap<mode>): Replace with splitter.
11379 (sync_lock_test_and_set<mode>): Replace with splitter.
11380 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11382 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11383 is ics. Attribute isync.
11384 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11386 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11387 and UNSPECV_SYNC_OP.
11388 (emit_unlikely_jump): New.
11389 (emit_load_locked): New.
11390 (emit_store_conditional): New.
11391 (rs6000_split_compare_and_swap): New.
11392 (rs6000_split_lock_test_and_set): New.
11393 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11394 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11395 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11396 rs6000_split_lock_test_and_set): Declare.
11397 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11398 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11399 store_c, isync, sync.
11401 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
11403 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11404 filenames to gtyp-gen.h.
11405 (s-typ-gen): Use it in place of for loops.
11407 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
11409 * hooks.c (hook_bool_rtx_int_false): New function.
11410 * hooks.h (hook_bool_rtx_int_false): Declare.
11411 * target-def.h (TARGET_COMMUTATIVE_P): Define.
11412 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11413 * target.h (struct gcc_target): Add commutative_p member.
11414 * targhooks.c (hook_bool_rtx_commutative_p): New function.
11415 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11416 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11417 (pa_commutative_p): New function.
11418 * jump.c (target.h): Include.
11419 (rtx_renumbered_equal_p): Use targetm.commutative_p.
11420 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11422 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11424 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11425 (s390_expand_setmem): New.
11426 * config/s390/s390.c: Likewise.
11427 (print_shift_count_operand): Truncate to 12 bits instead of 6.
11429 * config/s390/s390.md: ("setmem<mode>"): Accept character as
11430 general_operand. Call new function "s390_expand_setmem".
11431 ("clrmem_long", "*clrmem_long"): Rewrite to ...
11432 ("setmem_long", "*setmem_long"): ... this.
11434 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11436 * config/s390/s390.c: (optimization_options): Enable
11437 TARGET_MVCLE at -Os.
11438 * doc/invoke.texi: Document changes in default behaviour.
11439 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11441 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11443 * expr.c: (set_storage_via_setmem): Convert opchar to mode
11444 defined by back-end.
11446 2005-07-07 Jakub Jelinek <jakub@redhat.com>
11448 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11449 all sets in the pattern.
11450 * config/rs6000/rs6000.md (stack_protect_testsi,
11451 stack_protect_testdi): Likewise.
11453 2005-07-06 Jeff Law <law@redhat.com>
11455 * tree-vrp.c (simplify_using_ranges): Kill.
11456 (vrp_finalize): Remove call to simplify_using_ranges.
11457 (simplify_stmt_using_ranges): New function extracted from
11458 simplify_using_ranges.
11459 (simplify_div_or_mod_using_ranges): Likewise.
11460 (simplify_abs_using_ranges): Likewise.
11461 (simplify_cond_using_ranges): New function.
11462 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11463 * tree-ssa-propagate.c (substitute_and_fold): Call
11464 simplify_stmt_using_ranges if we have range information.
11466 2005-07-06 James E. Wilson <wilson@specifixinc.com>
11468 * config/ia64/ia64.c (ia64_reorg): Check optimize before
11469 ia64_flag_schedule_isns2.
11471 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11472 reading/writing general registers.
11473 (ia64_function_arg): Revert 2005-06-18 change.
11475 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
11477 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11478 (legitimize_tls_address): Use gcc_unreachable instead of abort.
11480 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
11482 * function.c (expand_function_end): Revert part of 2005-06-27
11483 patch. Do sjlj_emit_function_exit_after after return_label.
11485 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11487 * doc/install.texi (--disable-libssp): New.
11489 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
11491 * doc/invoke.texi: Update -fforce-mem documentation.
11492 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11493 code for -fforce-mem.
11494 * expmed.c: (store_bit_field,store_fixed_bit_field,
11495 extract_bit_field): Ditto.
11496 * expr.c: (convert_move): Ditto.
11497 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11498 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11499 emit_conditional_add,expand_float,expand_fix): Ditto.
11500 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11501 (common_handle_option): Issue warning when -fforce-mem specified.
11503 2005-07-06 Paul Brook <paul@codesourcery.com>
11505 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11507 * configure: Regenerate.
11509 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
11511 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11513 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
11515 Fix PR tree-optimization/22319
11516 Fix PR tree-optimization/22140
11517 Fix PR tree-optimization/22310
11519 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11520 variable sized types.
11521 Use correct type for intermediate structure on *a = *b structure
11524 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11526 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11528 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11529 (machine_function): Move typedef to...
11530 * config/rs6000/rs6000.c (machine_function): ... here. Add
11531 varargs_save_offset field.
11532 (rs6000_stack_t): Remove varargs_size field.
11533 (setup_incoming_varargs): Allocate varargs save area using
11534 assign_stack_local, try to make it as small as possible.
11535 Save offset from virtual_stack_vars_rtx to the save area
11536 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
11537 instead of magic 8 when fp word byte size is used.
11538 (rs6000_va_start): Use cfun->machine->varargs_save_offset
11539 instead of -RS6000_VARARGS_SIZE.
11540 (rs6000_stack_info, debug_stack_info,
11541 rs6000_initial_elimination_offset): Remove all traces of
11543 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11544 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11545 RS6000_VARARGS_AREA.
11547 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
11549 PR tree-optimization/21963
11550 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11551 constant_multiple_of in the same way get_computation_cost_at does.
11553 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11555 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11556 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11557 (gen_compare_reg): If sparc_compare_emitted is set, clear it
11558 and return its previous value.
11559 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11560 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11562 (stack_protect_set, stack_protect_test): New expanders.
11563 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11564 stack_protect_testdi): New insns.
11565 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11566 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11568 2005-07-06 Jeff Law <law@redhat.com>
11570 * tree-ssa-dce.c (cfg_altered): New global.
11571 (tree_dce_init): Initialize cfg_altered.
11572 (remove_dead_stmt): If we remove an edge in the CFG, then set
11574 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11577 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11579 * Makefile.in (stamp-collect-ld): Use
11580 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
11581 ./collect-ld if it already exists.
11582 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11583 Don't remove ./nm if it already exists.
11585 2005-07-05 Devang Patel <dpatel@apple.com>
11587 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11588 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11589 * tree-vectorizer.c (vect_loop_location): New.
11590 (vect_print_dump_info): Use vect_loop_location.
11591 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11592 (vectorize_loops): Set vect_loop_location.
11593 * tree-vect-analyze.c (vect_analyze_offset_expr,
11594 vect_determin_vectorization_factor, vect_analyze_operations,
11595 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11596 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11597 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11598 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11599 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11600 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11601 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11602 vect_analyze_loop): Adjust vect_print_dump_info API.
11603 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11604 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11605 vect_finish_stmt_generation, vectorizable_assignment,
11606 vectorizable_operation, vectorizable_store, vectorizable_load,
11607 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11608 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11609 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11610 vect_transform_loop): Same.
11611 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11612 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11615 2005-07-05 Randolph Chung <tausq@debian.org>
11617 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11618 * configure: Regenerate.
11619 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11620 (pa_tls_referenced_p): Declare.
11621 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11622 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11623 (legitimize_tls_address): New.
11624 (hppa_legitimize_address): Handle TLS addresses.
11625 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11626 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11627 (emit_move_sequence): Handle TLS addresses.
11628 (pa_encode_section_info): Call default handler to handle common
11630 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11631 (CONSTANT_ADDRESS_P): Reject TLS operands.
11632 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11633 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11634 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11635 (UNSPEC_TLSLE): Define new constants.
11636 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11637 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11638 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11639 (tie_symbolic_operand, tle_symbolic_operand): New
11641 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
11643 * aclocal.m4: Update macros for autoconf 2.59 style.
11644 * configure.ac: Likewise.
11646 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11648 * pa.c (function_value): Handle small aggregates on 32-bit targets.
11649 (function_arg): Pass small aggregates in general registers on 32-bit
11651 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11653 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
11655 * Makefile.in (final.o): Fix dependencies.
11657 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11661 * langhooks.h (struct lang_hooks): Add expr_to_decl.
11662 * langhooks.c (lhd_expr_to_decl): New.
11663 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11665 (LANG_HOOKS_INITIALIZER): Update.
11666 * tree.c (recompute_tree_invarant_for_addr_expr): Call
11667 expr_to_decl langhook.
11668 * c-tree.h (c_expr_to_decl): Declare.
11669 * c-typeck.c (c_expr_to_decl): New.
11670 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11672 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11674 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11677 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11678 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11680 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
11682 * Makefile.in: Adjust dependencies.
11683 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11684 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11685 * alias.c (rest_of_handle_cfg, pass_cfg): New.
11686 * bb-reorder.c (duplicate_computed_gotos): Make it static.
11687 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11688 rest_of_compilation.
11690 * bb-reorder.c (gate_duplicate_computed_gotos,
11691 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11692 rest_of_handle_reorder_blocks, pass_reorder_blocks,
11693 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11694 pass_partition_blocks): New.
11695 * bt-load.c (gate_handle_branch_target_load_optimize,
11696 rest_of_handle_branch_target_load_optimize,
11697 pass_branch_target_load_optimize): New.
11698 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11700 * cfglayout.c (pass_insn_locators_initialize): New.
11701 * cfgrtl.c (pass_free_cfg): New.
11702 * combine.c (gate_handle_combine, rest_of_handle_combine,
11703 pass_combine): New.
11704 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11705 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11706 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11707 * except.c (pass_set_nothrow_function_flags,
11708 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11710 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11711 rest_of_handle_shorten_branches, pass_shorten_branches,
11712 rest_of_clean_state, pass_clean_state): New.
11713 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11714 rest_of_handle_remove_death_notes, pass_remove_death_notes,
11715 rest_of_handle_life, pass_life, rest_of_handle_flow2,
11717 * function.c (pass_instantiate_virtual_regs, pass_init_function,
11718 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11719 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11720 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11722 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11723 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11724 pass_rtl_ifcvt, gate_handle_if_after_combine,
11725 rest_of_handle_if_after_combine, pass_if_after_combine,
11726 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11727 pass_if_after_reload): New.
11728 * integrate.c (pass_initial_value_sets): New.
11729 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11730 pass_purge_lineno_notes): New.
11731 * mode-switching.c (rest_of_handle_mode_switching,
11732 pass_mode_switching): New.
11733 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11734 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11736 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11737 pass_loop_optimize): New.
11738 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11740 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11742 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11743 pass_postreload_cse): New.
11744 * profile.c (gate_handle_profiling, pass_profiling,
11745 rest_of_handle_branch_prob, pass_branch_prob): New.
11746 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11747 pass_split_before_regstack, gate_handle_split_before_regstack,
11748 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11749 rest_of_handle_split_all_insns, pass_split_all_insns): New.
11750 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11751 pass_stack_regs): New.
11752 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11753 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11754 pass_stack_adjustments): New.
11755 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11756 pass_regrename): New.
11757 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11758 pass_delay_slots, gate_handle_machine_reorg,
11759 rest_of_handle_machine_reorg, pass_machine_reorg): New.
11760 * rtl.h (extern void purge_line_number_notes): New.
11761 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11762 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11764 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11766 * value-prof.c (gate_handle_value_profile_transformations,
11767 rest_of_handle_value_profile_transformations,
11768 pass_value_profile_transformations): New.
11769 * var-tracking.c (gate_handle_var_tracking,
11770 pass_variable_tracking): New.
11771 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11773 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11774 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11775 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11776 rest_of_handle_old_regalloc, rest_of_handle_regrename,
11777 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11778 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11779 rest_of_handle_gcse2, rest_of_handle_regmove,
11780 rest_of_handle_tracer, rest_of_handle_if_conversion,
11781 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11782 rest_of_handle_web, rest_of_handle_branch_prob,
11783 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11784 rest_of_handle_jump_bypass, rest_of_handle_combine,
11785 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11786 rest_of_handle_gcse, rest_of_handle_loop_optimize,
11787 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11788 rest_of_handle_mode_switching, rest_of_handle_jump,
11789 rest_of_handle_eh, rest_of_handle_stack_adjustments,
11790 rest_of_handle_flow2, rest_of_handle_jump2,
11791 rest_of_handle_peephole2, rest_of_handle_postreload,
11792 rest_of_handle_shorten_branches, rest_of_clean_state,
11793 rest_of_compilation): Remove.
11795 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11796 * passes.c (dump_flags, in_gimple_form, all_passes,
11797 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11798 register_dump_files, next_pass_1, last_verified, execute_todo,
11799 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11800 from tree-optimize.c.
11801 (init_optimization_passes): Moved from tree-optimize.c,
11802 adding the RTL optimizations.
11803 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11804 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11805 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11806 register_dump_files, next_pass_1, last_verified, execute_todo,
11807 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11808 init_tree_optimization_passes, ipa_passes): Delete.
11809 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11811 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11812 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11814 (ipa_passes): Remove.
11815 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11816 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11817 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11818 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11819 (dump_info_p, dump_flag): Moved to tree-dump.h.
11821 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11823 * passes.c (finish_optimization_passes): Use dump_begin
11824 and dump_end, TDI_end.
11825 (gate_rest_of_compilation): New.
11826 (pass_rest_of_compilation): Use it.
11827 (gate_postreload, pass_postreload): New.
11828 * toplev.c (general_init): Rename init_tree_optimization_passes.
11829 * toplev.h (init_tree_optimization_passes): Rename to
11830 init_optimizations_passes.
11831 * tree-dump.c (dump_flag): Make static.
11832 (dump_files): Remove RTL dumps.
11833 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11834 pass_cleanup_cfg, pass_free_cfg_annotations,
11835 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11836 pass_init_datastructures, pass_fixup_cfg): Make non-static.
11837 * tree-pretty-print.c: Include tree-pass.h.
11838 * cgraph.c: Include tree-dump.h.
11840 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11842 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11843 Only fall back to saying it points to readonly memory if
11844 we can't do better.
11846 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11848 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11849 * config/m32r/m32r.c (m32r_compute_frame_size,
11850 m32r_expand_prologue): Take current_function_profile into
11851 account whenever we reference
11852 current_function_uses_pic_offset_table.
11853 (m32r_finalize_pic): Remove.
11854 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11856 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
11858 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11859 instead of $<. Don't remove ./as if it already exists.
11861 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11864 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11865 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11866 for complex modes when generating code for PA 1.0.
11867 (VALID_FP_MODE_P): New macro.
11868 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11869 sets for all general and floating point modes. Align wide floating
11870 point modes to even register boundaries to comply with architectural
11872 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11873 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11874 (VALID_FP_MODE_P): New macro.
11875 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11876 sets for all general and floating point modes. Align wide floating
11877 point modes to even register boundaries to comply with architectural
11880 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11882 * tree-dump.c (dump_files): Initialize dump number for .cgraph
11885 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11887 * tree-ssa-structalias.c: Don't include expr.h.
11889 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11891 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11894 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11896 Fix PR tree-optimization/22279
11898 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11901 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
11903 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11905 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11907 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11908 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11909 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11910 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11911 config/stormy16/stormy16.c, config/v850/v850.c,
11912 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11913 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11914 Avoid "." or "\n" at end of diagnostics and capital letters at
11915 start of diagnostics.
11916 * combine.c, cse.c: Don't translate dump file output.
11917 * toplev.c (print_version): Only translate output if going to
11920 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11922 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11923 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11926 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11928 * pa.c (fix_range): Fix typo in comment.
11930 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11932 * tree-vrp.c (extract_range_from_assert): Replace
11933 fold (build (...)) with fold_build2.
11935 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11937 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11938 gcc_gfc_char_table, init_dynamic_gfc_info): New.
11939 (format_types_orig, handle_format_attribute): Add support for
11942 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
11944 * varasm.c (assemble_variable): Fix format specifier thinko.
11946 2005-07-03 Ira Rosen <irar@il.ibm.com>
11948 PR tree-optimization/22029 (and 22135)
11949 * tree-pretty-print.c (dump_generic_node): Check that the node is not
11950 a phi node before calling dump_vops.
11952 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11954 * tree-dump.h (dump_string_field): Declare.
11955 * tree-dump.c: Use it instead of dump_string.
11956 (dump_string_field): Make non-static.
11958 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
11960 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11961 up the minimal CFG stuff always when optimize > 0. Call
11962 split_all_insns_noflow in PIC case if needed.
11964 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11965 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11968 * c-decl.c (c_write_global_declarations): Dump contents of
11970 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11971 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11972 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11973 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11976 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11978 * c-common.h (GCC_DIAG_STYLE): Define.
11979 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
11980 version for format checking to 4.1.
11981 * c-format.c: Include toplev.h after c-common.h.
11982 (enum format_type): Add gcc_tdiag_format_type.
11983 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11984 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11985 (format_types_orig): Add gcc_tdiag.
11986 (init_dynamic_diag_info): Support gcc_tdiag formats.
11987 (handle_format_attribute): Likewise.
11988 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11989 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
11990 version for format checking to 4.1.
11991 (warning0, warning, error, pedwarn, sorry): Use
11992 ATTRIBUTE_GCC_DIAG.
11993 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11994 (finish_aliases_1): Do not use %qE.
11995 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11996 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11997 Correct format bugs.
11998 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11999 parameter to unsigned HOST_WIDE_INT.
12000 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12002 2005-07-02 David Edelsohn <edelsohn@gnu.org>
12004 PR middle-end/21742
12005 * expr.c (write_complex_part): Use adjust_address for MEM.
12006 (read_complex_part): Same.
12008 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12010 Fix PR tree-optimization/22280
12012 * tree-sra.c (generate_element_init): Remove useless loop.
12014 2005-07-02 Richard Henderson <rth@redhat.com>
12016 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12018 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12020 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12022 PR middle-end/14490
12023 * fold-const.c (fold_binary): Handle the return value of
12024 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12025 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12027 2005-07-02 Jeff Law <law@redhat.com>
12029 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12030 a eliminate type conversion which feeds an equality comparison
12031 if the original type or either operand in the comparison is a
12034 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12036 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12037 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12039 * config/avr/avr.c: Do not use '`' as left quote.
12040 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12041 Remove "." from end of diagnostics. Make diagnostics start with
12044 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12045 Joseph S. Myers <joseph@codesourcery.com>
12047 * toplev.c (default_tree_printer): Handle setting location with
12049 * c-objc.common.c (c_tree_printer): Likewise.
12050 * c-format.c (gcc_diag_flag_specs): Add '+'.
12051 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12052 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12054 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12055 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12056 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12057 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12058 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12059 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12060 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12061 format arguments where %J is used without %D.
12063 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12065 * gcc.c (LINK_SSP_SPEC): Define.
12066 (link_ssp_spec): New variable.
12067 (LINK_COMMAND_SPEC): Add %(link_ssp).
12068 (static_specs): Add link_ssp_spec.
12069 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12070 * configure: Rebuilt.
12071 * config.in: Rebuilt.
12073 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12074 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12075 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12076 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12077 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12078 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12079 -0x7008(2) instead of reading __stack_chk_guard variable.
12080 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12082 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12083 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12084 if TARGET_THREAD_SSP_OFFSET is defined.
12085 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12086 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12089 2005-06-27 Richard Henderson <rth@redhat.com>
12090 * libgcc-std.ver (GCC_4.1.0): New.
12091 * libgcc.h (__stack_chk_guard): Declare.
12092 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12093 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12094 * mklibgcc.in (lib2funcs): Add them.
12096 2005-07-01 Richard Henderson <rth@redhat.com>
12098 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12099 void * before struct sigcontext *.
12100 (x86_fallback_frame_state): Likewise.
12102 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12104 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12106 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12109 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12110 we check for SSA_NAME for.
12112 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12114 Fix PR tree-optimization/22071
12116 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12118 (get_constraint_for_component_ref): Use it.
12120 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12123 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12124 print out the last new line.
12126 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12128 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12129 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12130 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12131 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12132 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12133 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12134 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12135 (enum reg_class): New member CC0_REGS.
12136 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12137 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12138 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12139 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12140 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12141 Adjust for register now described.
12143 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12146 * config/i386/i386.md (stack_protect_test_si,
12147 stack_protect_test_di): Add earlyclobber for scratch 3.
12148 * config/rs6000/rs6000.md (stack_protect_testsi,
12149 stack_protect_testdi): Add earlyclobber for scratch 3,
12150 remove earlyclobber from scratch 4.
12152 Older entries for 2005 can be found in ChangeLog-2005.