1 2005-12-16 Jakub Jelinek <jakub@redhat.com>
3 PR rtl-optimization/24899
4 * loop.c (strength_reduce): Don't reduce giv that is not always
5 computable and where add_val or mult_val can trap.
7 * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
9 2005-12-16 Nathan Sidwell <nathan@codesourcery.com>
11 * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
12 names of ms1-16-002 files.
14 2005-12-16 Alan Modra <amodra@bigpond.net.au>
17 * gcc.c (for_each_path): New function.
18 (add_to_obstack, file_at_path): New functions.
19 (struct file_at_path_info, struct add_to_obstack_info): New.
20 (build_search_list): Rewrite using for_each_path. Constify struct
21 path_prefix pointer. Add do_multi param. Adjust all callers.
22 (find_a_file): Similarly, but just change existing param to bool.
23 (putenv_from_prefixes): Add do_multi param, make "paths" const.
24 (do_spec_path): Delete.
25 (struct spec_path_info): New.
26 (spec_path): New function.
27 (do_spec_1): Use for_each_path for %D and %I.
28 (find_file): Adjust for find_a_file changes.
29 (main): Search multilibs for specs. Print multilib lib path for
30 -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV.
31 (read_specs): Search multilibs for %include and %include_noerr.
32 (is_directory): Remove second string param. Change last param
33 to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always
34 check path is a dir. Update all callers.
35 * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
36 * system.h (SMALL_ARG_MAX): Poison.
37 * config.gcc: Don't define SMALL_ARG_MAX.
38 * config.host: Likewise.
39 * config.build: Likewise.
41 2005-12-16 Paolo Bonzini <bonzini@gnu.org>
43 * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
44 FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
45 ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
46 simplify_logical): Move simplifications that do not require
47 additional infrastructure...
48 * simplify-rtx.c (simplify_unary_operation_1,
49 simplify_binary_operation_1): ... here.
51 2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
54 * flow.c (mark_used_dest_regs): New function.
55 (mark_used_regs): Call mark_used_dest_regs.
57 2005-12-16 Jeff Law <law@redhat.com>
59 * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
60 represent a use and definition of the same SSA_NAME.
62 2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
63 Janis Johnson <janis187@us.ibm.com>
64 Ben Elliston <bje@au.ibm.com>
66 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
67 (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
68 * target.h (struct gcc_target): Add decimal_float_supported_p.
69 * targhooks.c (default_scalar_mode_supported_p): Handle
71 * builtins.def: Add new builtins for 32, 64 and 128 bit variants
72 of inf, nan, finite, isinf and isnan.
73 * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
74 BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
75 BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
76 BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
77 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
78 BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
79 BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
80 * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
81 Pedwarn if decimal floating point types are used. Error if
82 decimal floating point is not supported by the target.
83 (finish_declspecs): Return type from DFP typespec_word.
84 * c-typeck.c (c_common_type): Choose the decimal floating point
85 type with the greater precision when determining a common type.
86 (convert_arguments): Warn if there is a mismatch between argument
87 and prototype for decimal float types. Warn of conversions with
88 binary float types and of precision narrowing due to prototype.
89 * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
90 (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
91 (c_token_starts_declspecs): Likewise.
92 (c_parser_attributes): Likewise.
93 * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
94 RID_DFLOAT64, RID_DFLOAT128.
95 (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
96 * c-common.c (c_common_type_for_mode): Handle decimal float modes.
97 (shorten_compare): Convert DFP/BFP operands to a common type.
98 (c_common_modes_and_builtins): Register built-in decimal float
99 types if the target supports them.
100 (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
101 * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
102 inf, nan, finite, isinf and isnan builtins.
103 * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
104 (builtin_define_float_constants): Assert non-decimal radix.
105 (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
106 Call builtin_define_decimal_float_constants for each type.
107 * c-lex.c (interpret_float): Decode decimal float types from CPP_N
108 flags. Use real_from_string3, which can handle binary or decimal
110 * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
111 cts_dfloat64, cts_dfloat128.
112 * tree.c (build_common_tree_nodes_2): Add decimal float types.
113 * tree.h (enum tree_index): Add new enumeration values
114 TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
115 TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
116 (dfloat32_type_node): New macro.
117 (dfloat64_type_node, dfloat128_type_node): Likewise.
118 (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
119 (dfloat128_ptr_type_node): Likewise.
120 * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
121 bit decimal floating point types with "df", "dd" and "dl".
122 * c-format.h (enum format_lengths): Add new enumeration values
123 FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
124 * c-format.c (printf_length_specs, scanf_length_specs): Add
125 entries for H, D, DD.
126 (print_char_table, scan_char_table): Use new entries.
127 (asm_fprintf_char_table, gcc_diag_char_table,
128 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
130 * defaults.h (DECIMAL32_TYPE_SIZE): Define.
131 (DECIMAL64_TYPE_SIZE): Likewise.
132 (DECIMAL128_TYPE_SIZE): Likewise.
133 (TARGET_DEC_EVAL_METHOD): Likewise.
134 * doc/extend.texi (Decimal Float): New node.
135 (Constructing Calls): Document decimal float built-ins.
136 * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
137 * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
138 * ginclude/decfloat.h: New file.
140 2005-12-16 Alan Modra <amodra@bigpond.net.au>
142 * reload.c (find_reloads): Fix comment typo.
143 * recog.h (recog_memoized): Correct comment.
145 2005-12-16 Kazu Hirata <kazu@codesourcery.com>
147 * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
148 config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
149 reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
150 tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
151 * doc/invoke.texi, doc/tm.texi: Fix typos.
153 2005-12-16 Ben Elliston <bje@au.ibm.com>
155 * real.c (decimal_quad_format): Correct values for emin, emax.
157 2005-12-15 DJ Delorie <dj@redhat.com>
159 * config/m32c/predicates.md (m32c_psi_scale): New.
160 * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
161 * config/m32c/muldiv.md (mulpsi3): Support negative constants.
163 2005-12-16 Jan Hubicka <jh@suse.cz>
165 PR rtl-optimization/25224
166 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
169 2005-12-15 Zdenek Dvorak <dvorakz@suse.cz>
170 Steven Bosscher <stevenb@suse.de>
172 * loop-invariant.c (df): New global variable.
173 (find_defs, check_dependencies, find_invariant_insn, record_uses,
174 find_invariants_bb, find_invariants_body, find_invariants,
175 find_invariants_to_move, move_invariants, free_inv_motion_data,
176 move_single_loop_invariants, move_loop_invariants): Do not pass df in
179 2005-12-15 Jakub Jelinek <jakub@redhat.com>
181 * varasm.c (default_unique_section_1): Use special section
182 names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
184 2005-12-16 Ben Elliston <bje@au.ibm.com>
186 * doc/invoke.texi (Warning Options): Document -Walways-true being
189 2005-12-15 Joseph S. Myers <joseph@codesourcery.com>
192 * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
193 * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
194 __floatunditf): Use #error if type sizes don't match requirements
196 (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode
197 as wider floating-point type. Use #error if type sizes don't
198 match requirements of implementation. Avoid overflow in computing
199 Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion,
200 shift one more bit. Cast 1 to DWtype or UDWtype for shifting.
201 (__floatundisf, __floatundidf): Likewise.
202 * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
203 * config/ia64/ia64.c (ia64_init_libfuncs): Use
204 _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
205 TFmode-TImode conversions.
206 * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
208 2005-12-14 Craig Rodrigues <rodrigc@gcc.gnu.org>
210 * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
211 Use builtin_define_with_int_value() instead of
212 adding a new check for every new major FreeBSD version.
214 2005-12-14 Andrew Pinski <pinskia@physics.uc.edu>
216 * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
218 2005-12-15 Richard Sandiford <richard@codesourcery.com>
220 * config/arm/predicates.md (call_memory_operand): New.
221 * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
223 2005-12-15 Andrew Haley <aph@redhat.com>
225 * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
226 against prev_cache_entry == NULL when moving a cache entry to the
229 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
231 * config/mt/mt.c (mt_override_options): Require lower case
232 architectures. Revert accidental default to ms2.
233 * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
234 ENDFILE_SPEC): Require lower case architectures. Revert default
237 * doc/invoke.texi (MT Options): Rename and update.
238 * doc/md.texi (MorphoTech family): Rename and update.
240 2005-12-15 Olivier Hainque <hainque@adacore.com>
242 * stor-layout.c (layout_type): Don't complain about a too small
243 an array element type size compared to its alignment when the
246 2005-12-15 Jan Hubicka <jh@suse.cz>
249 * i386.c (classify_argument): Properly adjust offset of bitfield for
252 2005-12-15 Richard Sandiford <richard@codesourcery.com>
254 * final.c (final_scan_insn): Flip in_cold_section_p when changing
255 between the hot and cold sections. Use current_function_section
256 to get the new section.
257 * dwarf2out.c (output_line_info): Use in_cold_section_p to
258 determine whether we are assembling hot or cold code.
259 (secname_for_decl, dwarf2out_var_location): Likewise.
260 (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
261 * varasm.c (last_text_section): Delete.
262 (in_cold_section_p): New variable.
263 (hot_function_section): New function.
264 (current_function_section): Pass in_cold_section_p as the
265 reloc argument to select_section. Use it to decide between
266 unlikely_function_section and hot_function_section.
267 (assemble_start_function): Use switch_to_section. Set
268 in_cold_section_p instead of last_text_section.
269 (assemble_end_function): Use switch_to_section.
270 (switch_to_section): Don't set last_text_section.
271 * config/darwin/darwin.c (machopic_select_section): Trust the reloc
272 argument to make the right choice between hot and cold sections.
274 2005-12-15 Nathan Sidwell <nathan@codesourcery.com>
276 Second part of MS1->MT renaming
277 * config/mt/mt.md (doloop_end): Call mt_add_loop.
278 (movqi, movhi): Call mt_set_memflags.
279 (*movdf_internal): Call mt_split_words.
280 (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
282 (cmpsi): Store to mt_compare_op[01].
283 (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
284 bungt, bunle, bunlt): Call mt_emit_cbranch.
285 (prologue): Call mt_expand_prologue.
286 (epilogu): Call mt_expend_epilogue.
287 (eh_return): Call mt_expand_eh_return.
288 (eh_epilogue): Call me_emit_eh_epilogue.
289 (conditional_trap): Store to mt_compare_op[01].
290 * config/mt/crti.asm: Adjust comment.
291 * config/mt/crtn.asm: Adjust comment.
292 * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
293 (mt_compare_op0, mt_compare_op1): Renamed.
294 (current_frame_info, zero_frame_info): Adjust type.
295 (mt_ucmpsi3_libcall): Renamed.
296 (mt_flag_delayed_branch): Renamed.
297 (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
298 (mt_nops_required, mt_nop_reasons): Renamed.
299 (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
300 mt_debug_stack, mt_print_operand_simple_address,
301 mt_print_operand_address, mt_print_operand): Renamed, adjusted.
302 (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
303 mt_function_arg_advance, mt_arg_partial_bytes,
304 mt_pass_by_reference, mt_function_arg_boundary,
305 mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
306 mt_legitimate_address_p): Renamed, adjusted.
308 (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
309 mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
310 mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p,
311 mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
312 mt_expand_eh_return, mt_emit_eh_prologue,
313 mt_handl_interrupt_attribute): Renamed, adjusted.
314 (mt_attribute_table): Renamed, adjusted.
315 (mt_initial_elimination_offset, mt_generate_compare,
316 mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
317 mt_secondary_reload_class, mt_function_value, mt_split_words,
318 mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
319 mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
320 (mt_labels): Renamed.
321 (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
322 mt_machine_reorg): Renamed, adjusted.
323 (mt_attribute_table: Renamed.
324 (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
325 TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
326 TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
327 * config/mt/mt.opt (march): Set mt_cpu_string.
328 * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
329 (TARGET_CPU_CPP_BUILTINS): Adjust.
330 (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
332 (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
333 (MT_MIN_INT): Renamed.
334 (RETURN_ADDR_RTX): Adjust.
335 (struct mt_frame_info): Renamed.
336 (current_frame_info): Adjust type.
337 (INITIAL_ELIMINATION_OFFSET): Adjust.
338 (MT_NUM_ARG_REGS): Renamed.
339 (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
340 FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
341 LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
342 GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
343 FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
344 (mt_compare_op0, mt_compare_op1): Renamed.
345 * config/mt/mt-protos.h: Rename prototypes.
347 2005-12-15 Richard Guenther <rguenther@suse.de>
349 * tree-flow.h (okay_component_ref_for_subvars): Remove.
350 (get_ref_base_and_extent): Declare.
351 * tree-dfa.c (okay_component_ref_for_subvars): Remove.
352 (get_ref_base_and_extent): New function.
353 * tree-ssa-alias.c (find_used_portions): Use it.
354 * tree-ssa-structalias.c (get_constraint_for_component_ref):
356 * tree-ssa-operands.c (get_expr_operands): Likewise.
358 2005-12-15 Paolo Bonzini <bonzini@gnu.org>
360 * combine.c: Remove force_to_mode's fourth parameter.
361 (force_to_mode): Do not handle REG.
362 (canon_reg_for_combine): New.
363 (make_field_assignment): Use it where the removed argument was non-NULL.
365 2005-12-15 Alan Modra <amodra@bigpond.net.au>
368 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
369 error_mark_node. Make alignment params unsigned.
370 * config/rs6000/rs6000-protos.h
371 (rs6000_special_round_type_align): Update prototype.
372 (rs6000_machopic_legitimize_pic_address): Remove arg names.
374 2005-12-14 Ulrich Weigand <uweigand@de.ibm.com>
376 PR rtl-optimization/25310
377 * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
378 of the eliminable register when substituting into a PLUS.
380 2005-12-14 Jakub Jelinek <jakub@redhat.com>
383 * config/i386/i386.c (ix86_force_to_memory): Always use
384 SImode push for HImode in -m32.
385 (ix86_free_from_memory): Likewise.
387 2005-12-14 Richard Sandiford <richard@codesourcery.com>
389 * gcc/config/arm/arm.md: Provide a big-endian version of the
390 (zero_extend:SI (subreg:QI ...)) splitter.
392 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
394 * struct-equiv.c (note_local_live): Handle hard regs with different
397 2005-12-14 Jeff Law <law@redhat.com>
399 * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
400 to a structure containing state rather than a pointer to bool.
401 (case ARRAY_REF): New code to handle folding some array references.
402 (case ADDR_EXPR): Note when we are processing expressions found
403 within an ADDRE_EXPR.
404 (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
405 for state variables rather than just a pointer to a boolean.
406 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
407 handling of constant string references.
409 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
411 * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
412 ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
413 ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
414 Move other tst* patterns to retain partial order.
416 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
418 * config/s390/s390.md ("d0", "1"): New mode attributes.
419 ("<shift>di3", "<shift>si3"): Merge.
420 ("*<shift>di3_and", "*<shift>si3_and"): Merge.
421 ("ashrdi3", "ashrsi3"): Merge.
422 ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
423 ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
424 ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
425 ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
426 ("*ashrdi3", "*ashrsi3"): Merge.
427 ("*ashrdi3_and", "*ashrsi3_and"): Merge.
429 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
431 * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
432 ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
433 ("*extendqidi2", "*extendqisi2") Merge.
434 ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
435 ("zero_extendhidi2", "zero_extendqidi2"): Merge.
436 ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
437 Move some patterns to retain partial ordering.
439 2005-12-14 Adrian Straetling <straetling@de.ibm.com>
441 * config/s390/s390.md ("atype", "length"): Rewrite.
442 ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
444 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
446 * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
448 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
450 * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
451 PARALLELs with a mode.
453 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
455 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
458 2005-12-14 Sebastian Pop <pop@cri.ensmp.fr>
460 * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
462 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
466 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
469 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
471 2005-12-14 Jakub Jelinek <jakub@redhat.com>
475 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
476 DECL_P, call get_section rather than get_named_section. Supply
479 2005-12-14 Ben Elliston <bje@au.ibm.com>
481 * c-common.c (c_common_truthvalue_conversion): Generalise warning
482 for addresses converted to booleans; not just function addresses.
483 * c-typeck.c (build_binary_op): Warn for address comparisons which
484 can never be NULL (eg. func == NULL or &var == NULL).
485 * common.opt (Walways-true): New option.
486 * c-opts.c (c_common_handle_option): Set it with -Wall.
487 * doc/invoke.texi: Document it.
489 2005-12-13 Paul Brook <paul@codesourcery.com>
491 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
492 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
494 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
496 * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
497 * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
499 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
500 (EXTRA_MULTILIB_PARTS): Define.
502 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
504 PR rtl-optimization/20070 / part1
505 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
506 count_or_remove_death_notes with kill == -1.
507 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
508 registers if PROP_POST_REGSTACK is set.
509 (mark_used_reg): Likewise.
510 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
511 REG_UNUSED notes for stack regs.
512 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
513 to match rtx_equiv_p machinery. Change caller.
514 (outgoing_edges_match): Likewise.
515 (try_crossjump_to_edge): Use struct_equiv_block_eq
516 instead of flow_find_cross_jump.
517 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
518 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
519 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
520 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
521 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
522 (insns_match_p): Update prototype.
523 (flow_find_cross_jump): Remove prototype.
524 (struct_equiv_block_eq, struct_equiv_init): Declare.
525 (rtx_equiv_p, condjump_equiv_p): Likewise.
526 * struct-equiv.c: Include reload.h.
527 (IMPOSSIBLE_MOVE_FACTOR): Define.
528 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
529 (struct_equiv_improve_checkpoint): Likewise.
530 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
531 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
532 (struct_equiv_merge, find_dying_input): Likewise.
533 (resolve_input_conflict, note_local_live): Likewise.
534 (death_notes_match_p): Change parameters and processing
535 to match rtx_equiv_p machinery. Change caller.
536 (insns_match_p): Likewise.
537 (flow_find_cross_jump): Replace with:
538 (struct_equiv_block_eq).
540 Back out this change:
541 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
542 * recog.c (verify_changes): Make it static.
543 * recog.h: Remove the corresponding prototype.
545 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
547 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
550 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
552 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
553 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
554 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
555 TARGET_MS1_64_001 appropriately.
556 (ms1_machine_reorg): Use TARGET_MS2.
558 2005-12-13 Jakub Jelinek <jakub@redhat.com>
562 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
563 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
564 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
565 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
566 Set mode to SI, adjust constraints.
567 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
568 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
571 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
573 * c-cppbuiltin.c (builtin_define_float_constants): Add
574 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
575 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
576 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
577 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
578 to "((double)%sL)" otherwise "%s".
580 2005-12-13 Paul Brook <paul@codesourcery.com>
582 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
585 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
587 * tree-flow.h: Allow compilation with a C++ compiler.
588 (struct edge_prediction): Prefix all field names with "ep_".
589 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
590 (tree_predict_edge, combine_predictions_for_bb): Likewise.
591 (remove_predictions_associated_with_edge): Likewise.
593 2005-12-12 Jeff Law <law@redhat.com>
595 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
597 * passes.c (init_optimization_passes): Run reassociation again
598 after loop optimizations.
600 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
602 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
604 (optimize_stmt): Ditto.
605 (canonicalize_comparison): New function.
606 * tree-ssa-operands.c (swap_tree_operands): Make external.
607 (get_expr_operands): Stop auto-canonicalization.
608 * tree-ssa-reassoc.c: Rewrite.
609 (init_optimization_passes):
610 * tree-flow.h (swap_tree_operands): Prototype.
611 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
613 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
615 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
616 indicate function epilogue has been output.
617 (pa_asm_output_mi_thunk): Likewise.
618 (output_deferred_plabels): Put plabels in readonly data section when
619 not generating PIC code.
620 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
621 information. Add assert.
622 (som_output_comdat_data_section_asm_op): New function.
623 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
624 instead of output_section_asm_op for COMDAT sections.
626 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
628 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
629 Fix whitespace in vincinity of to-be-installed changes.
630 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
631 (insns_match_p): Likewise.
633 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
635 * config.gcc (ms1): Replace with ...
637 * config/ms1: Rename to ...
638 * config/mt: ... here. Rename ms1 files to mt.
639 * config/mt/mt.c: Adjust gt-mt.h #include.
640 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
641 (crti.o, crtn.o): Adjust file names.
643 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
645 * varray.h: Allow compilation with a C++ compiler.
646 (union varray_data_tag): Prefix all field names with "vdt_".
647 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
648 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
649 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
650 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
651 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
652 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
653 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
654 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
655 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
656 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
657 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
658 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
659 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
660 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
661 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
662 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
663 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
664 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
665 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
666 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
667 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
668 VARRAY_TOP_TREE_PTR): Likewise.
669 * varray.c (varray_grow): Likewise.
670 (varray_clear): Likewise.
672 2005-12-12 Alan Modra <amodra@bigpond.net.au>
675 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
676 alignment to doubleword if the first field is a double array.
677 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
679 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
681 * tree-ssa-structalias.c (process_constraint): Remove code to
682 transform addressofs into scalar.
683 (create_variable_info_for): In whole-program IPA, globals don't
684 point to ANYTHING by default.
686 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
688 * timevar.def (TV_IPA_PTA): New.
689 * tree-pass.h (pass_ipa_pta): New
690 * tree-ssa-structalias.c: Include cgraph.h
692 (predbitmap_obstack): New.
693 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
694 (struct constraint_stats): Add num_edges.
695 (new_var_info): Don't call bitmap_clear.
696 (struct constraint_edge): Update docs.
697 (new_constraint_edge): Remove src param.
698 (struct constraint_graph): Add zero_weight_succs,
699 zero_weight_preds. Update docs.
700 (constraint_expr_equal): Reformat.
701 (constraint_edge_equal): Update for removal of src.
702 (constraint_edge_less): Ditto.
703 (constraint_edge_vec_find): Ditto.
704 (erase_graph_self_edge): Update for removal of src and and zero
706 (clear_edges_for_node): Ditto.
707 (add_graph_edge): Ditto.
708 (get_graph_weights): Ditto.
709 (allocate_graph_weights): Ditto.
710 (merge_graph_nodes): Ditto.
711 (int_add_graph_edge): Ditto.
712 (valid_graph_edge): Ditto.
713 (valid_weighted_graph_edge): Ditto.
714 (build_constraint_graph): Ditto.
716 (collapse_nodes): Ditto.
717 (process_unification_queue): Ditto.
719 (solve_graph): Ditto.
720 (do_structure_copy): Ditto.
721 (perform_var_substitution): Ditto.
722 Init and release obstack.
723 (handle_ptr_arith): Try to resolve directly.
724 (find_func_aliases): Don't call update_alias_info here
725 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
726 (do_sd_constraint): Add code for propagating faster.
728 (do_ds_constraint): Ditto.
729 (count_num_arguments): New function.
730 (create_function_info_for): Ditto.
731 (create_variable_info_for): Handle FUNCTION_DECL.
732 (intra_create_variable_infos): Use make_constraint_to_anything.
733 (init_alias_vars): Init obstacks here.
734 (need_to_solve): Handle zero weight graph changes.
735 (compute_points_to_sets): Call update_alias_info here.
736 (delete_points_to_sets): Free zero weight preds/succs here.
738 (ipa_pta_execute): New
740 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
742 * tree-ssa-structalias.c (var_anyoffset): Removed.
743 (anyoffset_tree): Ditto.
744 (anyoffset_id): Ditto.
745 (do_deref): Take vector of constraints, no return value.
746 Update to work on vector.
747 (get_constraint_for): Ditto.
748 (get_constraint_for_component_ref): Ditto.
749 (do_structure_copy): Ditto.
750 (handle_ptr_arith): Ditto.
751 (find_func_aliases): Ditto.
752 (set_uids_in_ptset): Remove anyoffset handling.
753 (init_base_vars): Ditto.
755 2005-12-10 Mark Mitchell <mark@codesourcery.com>
758 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
759 DECL_EXTERNAL functions have no bodies. Tidy.
761 2005-12-10 Andreas Schwab <schwab@suse.de>
763 * except.c (switch_to_exception_section): Only define if
764 TARGET_UNWIND_INFO is not defined.
766 2005-12-10 Richard Sandiford <richard@codesourcery.com>
768 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
769 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
771 2005-12-10 Richard Sandiford <richard@codesourcery.com>
773 * output.h (init_section, fini_section): Delete.
774 * varasm.c (init_section, fini_section): Delete.
775 (init_varasm_once): Don't initialize them.
776 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
777 there are no corresponding varasm.c variables.
779 2005-12-10 Richard Sandiford <richard@codesourcery.com>
781 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
782 of EH_FRAME_SECTION_NAME into...
783 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
785 * except.c (default_exception_section): Delete, moving most
787 (switch_to_exception_section): ...this new function. Set
788 exception_section if it is still null, then switch to it.
789 (output_function_exception_table): Use switch_to_exception_section.
790 * varasm.c (exception_section, eh_frame_section): Update comments.
791 (get_section): Hoist use of SECTION_NAMED.
792 (init_varasm_once): Don't set exception_section and eh_frame_section.
793 * output.h (default_exception_section): Delete.
794 (default_eh_frame_section): Delete.
796 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
798 * config/bfin/bfin.c: Include "cgraph.h".
799 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
800 Return the reg that holds the pointer to the GOT.
801 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
802 doing stack checking.
804 2005-12-09 Diego Novillo <dnovillo@redhat.com>
806 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
807 recompute_tree_invarant_for_addr_expr.
808 Update uses everywhere.
810 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
812 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
813 (MULTILIB_DIRNAMES): Define.
815 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
818 * config/s390/s390.c (struct s390_address): New field literal_pool.
819 (s390_decompose_address): Compute literal_pool field. Do not
820 assume register %r13 is always (and solely) used as pool base.
821 (s390_extra_constraint_str): Use literal_pool field.
823 2005-12-09 Thiemo Seufer <ths@networkno.de>
825 * config/mips/mips.c (override_options): Don't allow too small
826 integers in FP registers.
828 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
830 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
831 targetm.binds_local_p to check for local function calls.
833 2005-12-09 Alan Modra <amodra@bigpond.net.au>
836 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
837 call_used_regs can't be used to save reg in another reg.
839 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
840 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
842 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
844 * except.c (output_ttype): Likewise.
845 * tree-object-size.c (collect_object_sizes_for): Likewise.
846 (check_for_plus_in_loops_1): Likewise.
847 (check_for_plus_in_loops): Likewise.
848 (compute_object_sizes): Use gcc_unreachable instead of abort.
850 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
852 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
853 (loop_end, loop_init, doloop_end): New insns.
854 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
855 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
856 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
857 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
858 * config/ms1/ms1.c: #include basic-block.h
859 (struct machine_function): Add has_loops field.
861 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
862 (struct loop_info, struct loop_work): New.
863 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
864 (ms1_reorg_loops): New loop optimization.
865 (ms1_machine_reorg): Call it.
866 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
868 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
870 PR tree-optimization/25248
871 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
872 evolution_of_loop from the failed attempt. Remove handling
875 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
877 * tree.h (DECL_EXTERNAL): Clarify documentation.
879 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
880 Jakub Jelinek <jakub@redhat.com>
883 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
884 argument. Don't drop outer ANDs.
885 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
886 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
888 * config/s390/predicates.md (setmem_operand): Remove.
889 (shift_count_operand): Rename to...
890 (shift_count_or_setmem_operand): ... this. Adjust
891 s390_decompose_shift_count caller.
892 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
893 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
894 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
895 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
896 rotl<mode>3_and, setmem_long_and): New insns.
897 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
898 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
899 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
900 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
901 of shift_count_operand.
902 (setmem_long): Use shift_count_or_setmem_operand instead of
905 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
906 Andreas Tobler <a.tobler@schweiz.ch>
908 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
911 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
913 * expr.c (force_operand): Use convert_to_mode for conversions.
915 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
917 * reload.h (reg_equiv_invariant): Declare.
918 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
919 register also when reg_equiv_invariant[R] is set.
921 2005-12-07 Richard Sandiford <richard@codesourcery.com>
922 Andreas Tobler <a.tobler@schweiz.ch>
924 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
926 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
928 * tree-ssa-pre.c (bitmap_set_and): New function.
929 (bitmap_set_and_compl): New function.
930 (bitmap_set_empty_p): New function.
931 (insert_extra_phis): New function.
932 (compute_avail): Use insert_extra_phis.
934 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
936 * config/s390/s390.c (s390_expand_atomic): New function.
937 Adjust comment of helper functions.
938 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
939 * config/s390/s390.md ("ATOMIC"): New code macro.
940 ("atomic"): Corresponding new code attribute.
941 ("sync_lock_test_and_set[hq]i",
942 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
944 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
946 * config/s390/s390.c (s390_expand_mask_and_shift,
947 struct alignment_context, init_alignment_context,
948 s390_expand_cs_hqi): New.
949 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
950 * config/s390/s390.md ("sync_compare_and_swaphi",
951 "sync_compare_and_swapqi"): New pattern.
953 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
955 Fix PR tree-optimization/25291
956 * tree-ssa-operands.c (add_call_clobber_ops): Remove
957 redundant and crashing check.
959 2005-12-08 Alan Modra <amodra@bigpond.net.au>
962 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
963 tests further when !strict && reload_in_progress.
964 (print_operand): Check that both operands of indexed address are regs.
965 (print_operand_address): Likewise.
966 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
967 (INT_REG_OK_FOR_BASE_P): Correct.
969 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
971 Preparation for PR rtl-optimization/20070 / part1
972 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
973 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
974 outgoing_edges_match.
975 (outgoing_edges_match): Use condjump_equiv_p.
976 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
978 * struct-equiv.c: New file.
979 (death_notes_match_p) New function, broken out of insns_match_p.
980 * Makefile.in (OBJS-common): Add struct-equiv.o.
981 (struct-equiv.o): New target.
983 2005-12-07 Richard Sandiford <richard@codesourcery.com>
985 * coretypes.h: Revert previous change.
986 * config/darwin.h: Revert previous reversion.
987 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
989 2005-12-07 Richard Sandiford <richard@codesourcery.com>
991 * coretypes.h (section): Provide dummy definition for target files.
992 * config/darwin.h: Revert previous change.
994 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
996 * doc/sourcebuild.texi (all.build, install-normal): Remove.
997 * configure.ac: Remove all.build and install-normal from target_list
998 * configure: Regenerate.
999 * Makefile.in (install): Don't depend on install-normal.
1001 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1003 * Makefile.in: Document the use of stamps.
1005 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1007 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1008 * Makefile.in: Add code to compute some dependencies on s-gtype
1009 automatically. Remove the declaration of those dependencies.
1011 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1013 * gcc/reload.c (push_secondary_reload): Fix typo:
1014 s/insn_constraint/scratch_constraint/.
1016 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1018 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1020 2005-12-07 Richard Sandiford <richard@codesourcery.com>
1022 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1023 (alpha_elf_select_rtx_section): Return the selected section rather
1024 than emitting assembly code.
1025 (alpha_write_linkage): Emit a ".link" directive directly and then
1026 set in_section to NULL.
1027 (vms_asm_out_constructor): Use switch_to_section.
1028 (vms_asm_out_destructor): Likewise.
1029 (unicosmk_output_common): Set in_section to NULL instead of calling
1030 the dummy common_section function.
1031 (unicosmk_text_section): Delete in favor of...
1032 (unicosmk_output_text_section_asm_op): ...this new function.
1033 (unicosmk_data_section): Delete in favor of...
1034 (unicosmk_output_data_section_asm_op): ...this new function.
1035 (unicosmk_init_sections): New function.
1036 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1037 (unicosmk_output_ssib): Set in_section to NULL instead of calling
1038 the dummy ssib_section function.
1039 (unicosmk_section_buf): Delete.
1040 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1041 (unicosmk_data_section): Delete.
1042 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1043 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1044 (SECTION_FUNCTION_TEMPLATE): Delete.
1045 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1046 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1047 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1048 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1049 (TARGET_ASM_INIT_SECTIONS): Define.
1050 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1051 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1052 (link_section, literals_section): Delete.
1053 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1054 set in_section to NULL.
1056 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1057 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1058 (COMMON_SECTION): Delete.
1059 (TARGET_ASM_INIT_SECTIONS): Define.
1060 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1061 the dummy common_section function.
1062 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1063 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1064 between readonly_data_section and text_section to check whether
1065 read-only data is being put in the text section.
1066 (arm_output_function_epilogue): Use switch_to_section.
1067 (arm_elf_asm_constructor): Likewise.
1068 (thumb_call_via_reg): Replace call to in_text_section with
1069 a comparison between in_section and text_section.
1070 (arm_file_end): Use switch_to_section.
1071 (aof_text_section): Delete in favor of...
1072 (aof_output_text_section_asm_op): ...this new function.
1073 (aof_data_section): Delete in favor of...
1074 (aof_output_data_section_asm_op): ...this new function.
1075 (aof_asm_init_sections): New function.
1076 (zero_init_section): Moved from config/arm/aof.h.
1077 (aof_dump_imports, aof_file_start): Use switch_to_section.
1078 * config/arm/arm.h (thumb_call_via_label): Update comment.
1079 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1080 (common_section): Delete.
1081 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1082 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1083 global switch_to_section function instead of the old port-local one.
1084 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1085 (SWITCH_TO_SECTION_FUNCTION): Delete.
1086 (drectve_section): Redefine as a macro.
1087 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1088 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1091 * config/avr/avr.c (progmem_section): New variable.
1092 (avr_output_progmem_section_asm_op): New function.
1093 (avr_asm_init_sections): New function.
1094 (avr_output_addr_vec_elt): Use switch_to_section.
1095 * config/avr/avr.h (progmem_section): Declare.
1096 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1097 (READONLY_DATA_SECTION): Delete.
1098 (TARGET_ASM_INIT_SECTIONS): Define.
1099 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1100 * config/avr/avr-protos.h (progmem_section): Delete.
1102 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1104 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1105 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1107 * config/darwin-sections.def: New file.
1108 * config/darwin.c: Define all sections in darwin-sections.def.
1109 (output_objc_section_asm_op, darwin_init_sections): New functions.
1110 (machopic_output_indirection): Use switch_to_section.
1111 (machopic_select_section): Return the selected section rather than
1112 emitting assembly code. Replace the static function table with
1113 inline conditional expressions. Update the tests of last_text_section
1114 and move them into the FUNCTION_DECL block.
1115 (machopic_select_rtx_section): Return the selected section rather than
1116 emitting assembly code.
1117 (machopic_asm_out_constructor, machopic_asm_out_destructor)
1118 (darwin_file_end): Use switch_to_section.
1119 * config/darwin.h: Use darwin-sections.def to declare sections.
1120 (INIT_SECTION_ASM_OP): Remove empty definition.
1121 (HAS_INIT_SECTION): Define this instead.
1122 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1123 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1124 (TARGET_ASM_EH_FRAME_SECTION): Delete.
1125 (TARGET_ASM_INIT_SECTIONS): Define.
1126 * config/darwin-protos.h (darwin_init_sections): Declare.
1127 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1128 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1129 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1130 (constructor_section, destructor_section, mod_init_section): Delete.
1131 (mod_term_section): Delete.
1132 (darwin_exception_section, darwin_eh_frame_section): Delete.
1133 (machopic_select_section): Return a section.
1134 (machopic_select_rtx_section): Likewise.
1135 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1136 (const_section, const_coal_section, const_data_section): Delete.
1137 (const_data_coal_section, data_coal_section, cstring_section): Delete.
1138 (literal4_section, literal8_section, constructor_section): Delete.
1139 (mod_init_section, mod_term_section, destructor_section): Delete.
1140 (objc_class_section, objc_meta_class_section, objc_category_section)
1141 (objc_class_vars_section, objc_instance_vars_section): Delete.
1142 (objc_cls_meth_section, objc_inst_meth_section): Delete.
1143 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1144 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1145 (objc_symbols_section, objc_module_info_section): Delete.
1146 (objc_image_info_section, objc_protocol_section): Delete.
1147 (objc_string_object_section, objc_constant_string_object_section)
1148 (objc_class_names_section, objc_meth_var_names_section): Delete.
1149 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1150 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1151 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1152 (darwin_exception_section, darwin_eh_frame_section): Delete.
1153 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1155 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1156 (frv_asm_out_destructor): Likewise.
1157 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1158 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1159 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1161 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1162 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1163 (data_section): Delete.
1165 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1166 (DRECTVE_SECTION_FUNCTION): Delete.
1167 (drectve_section): Redefine as a macro that sets in_section after
1168 emitting the directive.
1169 (SWITCH_TO_SECTION_FUNCTION): Delete.
1170 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1171 in_text_section with comparison between in_section and text_section.
1172 * config/i386/i386.c (x86_64_elf_select_section): Return the section
1173 rather than emitting assembly code. Use get_named_section.
1174 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1176 (machopic_output_stub): Use switch_to_section.
1177 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1178 (nwld_named_section_asm_out_destructor): Use get_section and
1181 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1182 rather than emitting assembly code.
1183 (ia64_rwreloc_select_section): Likewise.
1184 (ia64_rwreloc_select_rtx_section): Likewise.
1185 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1186 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1188 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1189 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1191 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1192 section rather than emitting assembly code.
1193 (iq2000_select_section): Likewise.
1194 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1195 (sbss_section): Delete.
1197 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1198 and get_named_section.
1199 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1201 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1202 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1203 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1204 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1206 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1207 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1208 global switch_to_section function instead of the old port-local one.
1209 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1210 (SWITCH_SECTION_FUNCTION): Delete.
1211 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1212 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1213 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1214 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1216 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
1217 global switch_to_section function instead of the old port-local one.
1218 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1220 * config/mips/mips.c (mips_file_start): Update comment.
1221 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1222 (mips_output_aligned_decl_common): Use switch_to_section.
1223 (mips_select_rtx_section): Return the section rather than emitting
1224 assembly code. Use get_named_section.
1225 (mips_function_rodata_section: Likewise get_section.
1226 (build_mips16_function_stub): Use switch_to_section.
1227 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1228 (SDATA_SECTION_ASM_OP): Delete.
1229 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1230 (EXTRA_SECTION_FUNCTIONS): Delete.
1232 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1233 (mmix_asm_output_aligned_local): Use switch_to_section.
1235 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1236 (som_one_only_readonly_data_section): New variables.
1237 (pa_output_function_epilogue): Set in_section to NULL instead of
1238 calling forget_section.
1239 (output_deferred_plabels): Use select_section.
1240 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
1241 of calling forget_section.
1242 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1243 (pa_asm_output_aligned_local): Use select_section.
1244 (som_text_section_asm_op): Delete in favor of...
1245 (som_output_text_section_asm_op): ...this new function.
1246 (pa_som_asm_init_sections): New function.
1247 (pa_select_section): Return the section rather than emitting
1249 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1250 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1251 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1252 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1253 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1254 (som_readonly_data_section, som_one_only_readonly_data_section)
1255 (som_one_only_data_section, forget_section): Delete.
1256 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1257 (TARGET_ASM_INIT_SECTIONS): Define.
1258 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1260 * config/rs6000/rs6000.c (read_only_data_section): New variable.
1261 (private_data_section, read_only_private_data_section): New variables.
1262 (sdata2_section, toc_section): New variables.
1263 (rs6000_file_start): Use switch_to_section.
1264 (rs6000_assemble_integer): Use comparisons against in_section
1265 instead of calling in_toc_section and in_text_section. Use
1266 unlikely_text_section_p.
1267 (rs6000_elf_output_toc_section_asm_op): New function, derived
1268 from the old rs6000/sysv4.h toc_section function.
1269 (rs6000_elf_asm_init_sections): New function.
1270 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1271 the section rather than emitting assembly code.
1272 (machopic_output_stub): Use switch_to_section.
1273 (toc_section): Delete dummy function.
1274 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1275 switch_to_section and get_section.
1276 (rs6000_xcoff_output_readonly_section_asm_op): New function.
1277 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1278 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1279 the old rs6000/xcoff.h toc_section function.
1280 (rs6000_xcoff_asm_init_sections): New function.
1281 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1282 the section rather than emitting assembly code.
1283 (rs6000_xcoff_file_start): Use switch_to_section.
1284 (rs6000_xcoff_file_end): Likewise.
1285 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1286 (sdata2_section, sbss_section, private_data_section): Delete.
1287 (read_only_data_section, read_only_private_data_section): Delete.
1288 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1289 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1290 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1291 (FINI_SECTION_FUNCTION): Delete.
1292 (TARGET_ASM_INIT_SECTIONS): Define.
1293 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1294 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1295 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1296 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1297 (READONLY_DATA_SECTION): Delete.
1298 (TARGET_ASM_INIT_SECTIONS): Define.
1299 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
1300 to NULL rather than no_section.
1301 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1303 * config/sh/sh.c (sh_file_start): Use switch_to_section.
1305 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1306 (sparc_output_deferred_case_vectors): Likewise. Remove argument
1307 from call to current_function_section.
1309 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1310 (bss100_section): New variable.
1311 (xstormy16_asm_output_aligned_common): Use switch_to_section.
1312 (xstormy16_asm_init_sections): New function.
1313 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1314 switch_to_section and get_section.
1315 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
1316 from calls to current_function_section.
1317 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1318 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1319 (TARGET_ASM_INIT_SECTIONS): Define.
1320 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1322 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1323 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1324 (FINI_SECTION_FUNCTION): Delete.
1326 * config/v850/v850.c: Include gt-v850.h.
1327 (rosdata_section, rozdata_section, tdata_section, zdata_section)
1328 (zbss_section): New variables.
1329 (v850_output_aligned_bss): Use switch_to_section.
1330 (v850_asm_init_sections): New function.
1331 (v850_select_section): Return the section rather than emitting
1333 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1334 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1335 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1336 (TARGET_ASM_INIT_SECTIONS): Define.
1337 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1338 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1339 (zbss_section): Delete.
1341 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1343 * config/vx-common.h (vxworks_exception_section): Delete.
1344 (TARGET_ASM_EXCEPTION_SECTION): Delete.
1346 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1347 section rather than emitting assembly code.
1348 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1351 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1352 * coretypes.h (section): New union and typedef.
1353 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
1354 from call to current_function_section.
1355 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1356 (dbxout_symbol_location): Use switch_to_section.
1357 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1358 most of the code into...
1359 (default_eh_frame_section): ...here. Return a section.
1360 (collect2_eh_frame_section): Delete, moving most of the code into..
1361 (switch_to_eh_frame_section): ...this new function.
1362 (debug_info_section, debug_abbrev_section, debug_aranges_section)
1363 (debug_macinfo_section, debug_line_section, debug_loc_section)
1364 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1366 (output_call_frame_info): Call switch_to_eh_frame_section instead of
1367 eh_frame_section. Use switch_to_section and get_section.
1368 (dwarf2out_begin_prologue): Use switch_to_section.
1369 (AT_string_form): Check the flags in debug_str_section instead of
1370 DEBUG_STR_SECTION_FLAGS.
1371 (output_comp_unit): Use switch_to_section, get_section, and
1373 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1374 (dwarf2out_begin_block): Use switch_to_section. Remove argument
1375 from call to current_function_section.
1376 (dwarf2out_var_location): Use unlikely_text_section_p.
1377 (dwarf2out_source_line): Use switch_to_section. Remove argument
1378 from call to current_function_section.
1379 (dwarf2out_start_source_file, dwarf2out_end_source_file)
1380 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1381 debug_macinfo_section.
1382 (dwarf2out_init): Initialize the new section variables. Use them
1383 instead of calls to named_section_flags. Use switch_to_section.
1384 (output_indirect_string): Use switch_to_section and debug_str_section.
1385 (dwarf2out_finish): Use switch_to_section and the new section
1387 * except.c (default_exception_section): Return the section instead
1388 of emitting assembly code.
1389 (output_function_exception_table): Use the global exception_section
1390 variable instead of the target hook. Use switch_to_section. Remove
1391 argument from call to current_function_section.
1392 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1393 (shorten_branches): Use pointer comparisons to detect whether the
1394 text section is the same as readonly_data_section.
1395 (profile_function): Use switch_to_section. Remove argument from
1396 call to current_function_section.
1397 (final_scan_insn): Likewise. Update use of last_text_section.
1398 * gengtype.c (open_base_files): Add an include of output.h.
1399 * output.h (text_section, data_section, readonly_data_section)
1400 (ctors_section, dtors_section, bss_section, init_section)
1401 (fini_section, sdata_section): Turn into section pointers.
1402 (in_text_section, in_unlikely_text_section, exports_section)
1403 (drectve_section, named_section, mergeable_string_section)
1404 (last_text_section_name): Delete.
1405 (default_exception_section, default_eh_frame_section): Return sections.
1406 (SECTION_DECLARED, SECTION_NAMED): New macros.
1407 (SECTION_MACH_DEP): Bump value.
1408 (section_common, named_section, unnamed_section): New structures.
1409 (unnamed_section_callback): New typedef.
1410 (section): New union.
1411 (sbss_section, exception_section, eh_frame_section): New variables.
1412 (in_section, last_text_section): Turn into section pointers.
1413 (get_unnamed_section, get_section, get_named_section): New functions.
1414 (mergeable_constant_section, function_section): Return a section.
1415 (unlikely_text_section): Likewise.
1416 (current_function_section): Likewise. Remove the decl argument.
1417 (unlikely_text_section_p, switch_to_section): New functions.
1418 (output_section_asm_op): New function.
1419 (set_named_section_flags, named_section_flags, named_section_real)
1420 (named_section_first_declaration): Delete.
1421 (default_select_section, default_elf_select_section): Return a section.
1422 (default_elf_select_section_1, default_function_rodata_section)
1423 (default_no_function_rodata_section, default_select_rtx_section)
1424 (default_elf_select_rtx_section): Likewise.
1425 * rtl.h (in_data_section): Delete.
1426 * sdbout.c (sdbout_one_type): Use switch_to_section.
1427 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1428 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1429 (TARGET_ASM_EH_FRAME_SECTION): Poison.
1430 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1431 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1432 (TARGET_ASM_OUT): Update after above changes.
1433 * target.h (init_sections): New hook.
1434 (exception_section, eh_frame_section): Delete.
1435 (select_section, select_rtx_section, function_rodata_section): Return
1436 a section rather than emitting assembly code.
1437 * varasm.c (text_section, data_section, readonly_data_section)
1438 (ctors_section, dtors_section, bss_section, init_section)
1439 (fini_section): Turn into section pointers.
1440 (sdata_section, sbss_section, exception_section): New variables.
1441 (eh_frame_section): New variable.
1442 (in_section): Make global and turn into a section pointer.
1443 (last_text_section): Turn into a section pointer.
1444 (unnamed_sections): New variable.
1445 (in_named_name, last_text_section_name): Delete.
1446 (EXTRA_SECTION_FUNCTIONS): Delete.
1447 (in_named_entry): Delete.
1448 (section_htab): New variable, replacing...
1449 (in_named_htab): ...this deleted variable.
1450 (section_entry_eq, section_entry_hash): New functions, based on...
1451 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1452 (get_unnamed_section, get_section): New functions.
1453 (unlikely_text_section): Return a section instead of emitting
1455 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1456 (get_named_section_flags, named_section_first_declaration): Delete.
1457 (unlikely_text_section_p): New function.
1458 (named_section_real, named_section): Delete.
1459 (get_named_section): New function.
1460 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1461 (function_section): Return a section rather than emitting
1463 (current_function_section): Likewise. Remove argument. Use
1464 last_text_section if nonnull, otherwise use function_section.
1465 (default_function_rodata_section): Return a section rather than
1466 emitting assembly code. Use get_section.
1467 (default_no_function_rodata_section): Return a section rather than
1468 emitting assembly code.
1469 (variable_section): Use switch_to_section and get_named_section.
1470 (mergeable_string_section): Return a section rather than emitting
1471 assembly code. Use get_section. Make static. Don't take special
1472 countermeasures for empty strings.
1473 (mergeable_constant_section): Return a section rather than emitting
1474 assembly code. Use get_section.
1475 (default_named_section_asm_out_destructor): Use switch_to_section
1477 (default_dtor_section_asm_out_destructor): Use switch_to_section.
1478 (default_named_section_asm_out_constructor): Use switch_to_section
1480 (default_ctor_section_asm_out_constructor): Use switch_to_section.
1481 (assemble_start_function): Likewise. Set last_text_section to
1482 NULL rather than no_section. Change the type of save_section.
1483 (assemble_zeros, assemble_variable): Use the section flags to detect
1484 whether or not a section is text.
1485 (assemble_static_space): Use switch_to_section.
1486 (assemble_trampoline_template): Likewise.
1487 (output_constant_def_contents): Use switch_to_section and
1489 (output_constant_pool_1): Use switch_to_section. Use the section
1490 flags to see whether sections contain mergeable data.
1491 (init_varasm_once): Initialize section_htab instead of in_named_htab.
1492 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
1493 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1494 whether a section has already been declared.
1495 (default_select_section, default_elf_select_section): Return a
1496 section rather than emitting assembly code.
1497 (default_elf_select_section_1): Likewise. Use bss_section for
1498 SECCAT_BSS if nonnull. Use get_named_section.
1499 (default_select_rtx_section): Return a section rather than
1500 emitting assembly code.
1501 (default_elf_select_rtx_section): Likewise. Use get_named_section.
1502 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1503 (output_section_asm_op, switch_to_section): New functions.
1504 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1507 * doc/tm.texi: Expand the introduction to the sections documentation.
1508 (TRAMPOLINE_SECTION): Document new interface.
1509 (SDATA_SECTION_ASM_OP): Document new macro.
1510 (READONLY_DATA_SECTION): Delete.
1511 (SDATA_SECTION_ASM_OP): Document new macro.
1512 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1513 (TARGET_ASM_INIT_SECTIONS): Document new hook.
1514 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1515 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1516 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1518 2005-12-07 Alan Modra <amodra@bigpond.net.au>
1520 * gcc.c (init_gcc_specs): Match braces inside conditionally
1523 2005-12-06 Geoffrey Keating <geoffk@apple.com>
1525 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1527 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
1530 * tree.c (integer_all_onesp): Always return true if all bits on.
1532 * testsuite/g++.dg/init/array0.C: New.
1534 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
1536 * doc/md.texi: Adapt to implementation.
1538 2005-12-06 Andreas Schwab <schwab@suse.de>
1540 * opts.c (decode_options): Fix typo in message.
1542 2005-12-06 Alan Modra <amodra@bigpond.net.au>
1545 * longlong.h: Merge PPC tests from upstream.
1547 2005-12-06 Richard Guenther <rguenther@suse.de>
1549 * fold-const.c (fold_convert): Do not build and fold
1550 CONVERT_EXPR, but always use NOP_EXPR.
1552 2005-12-06 Jan Beulich <jbeulich@novell.com>
1554 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1555 __builtin_ia32_paddq and __builtin_ia32_subq.
1556 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1557 __builtin_ia32_pshufw.
1558 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1560 2005-12-05 James E Wilson <wilson@specifix.com>
1563 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1566 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
1568 * print-tree.c (print_node): Ditto.
1569 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1570 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1571 before accessing DECL_ARTIFICIAL.
1572 Handle new tag tree codes.
1573 * tree-flow-inline.h (clear_call_clobbered): Update for tag
1575 (unmodifiable_var_p): Ditto.
1576 * tree-flow.h (mem_tag_kind): Remove.
1577 (struct var_ann_d): Remove mem_tag_kind member.
1578 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1579 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1580 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1581 (group_aliases): Ditto.
1582 (setup_pointers_and_addressables): Ditto.
1583 (is_escape_site): Ditto.
1584 (may_alias_p): Ditto.
1585 (create_tag_raw): New function.
1586 (create_memory_tag): Use it.
1587 (dump_alias_info): Update for tags.
1588 (may_be_aliased): Ditto.
1589 (add_type_alias): Ditto.
1590 (new_type_alias): Ditto.
1591 (create_sft): Ditto.
1592 (create_structure_vars): Ditto.
1593 * tree-ssa-ccp.c (get_default_value): Ditto.
1594 * tree-ssa-operands.c (get_expr_operands): Ditto.
1595 (add_stmt_operand): Ditto.
1596 (add_call_clobber_ops): Remove duplicated condition.
1597 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1599 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1600 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1601 * tree.c (init_ttree): Update structures for new tree codes.
1602 (tree_code_size): Update sizes for new tree codes.
1603 (make_node_stat): Don't try to set common things on minimal
1605 (tree_node_structure): Update for tags.
1606 (is_global_var): Ditto.
1607 * tree.def: Add new tree codes.
1608 * tree.h (MTAG_P): New macro.
1609 (TREE_MEMORY_TAG_CHECK): Ditto.
1610 (SSA_VAR_P): Update for tags.
1611 (struct tree_memory_tag): New structure.
1612 (MTAG_GLOBAL): New macro.
1613 (union tree_node): Add memory tag member.
1614 * treestruct.def (TS_MEMORY_TAG): New.
1616 2005-12-05 Dale Johannesen <dalej@apple.com>
1618 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
1619 what was approved (PR 24323).
1621 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
1623 * doc/c-tree.texi (Function Bodies): Remove description of
1626 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
1628 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1629 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1630 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1631 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1632 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1633 __divxc3): Document.
1635 2005-12-05 Geoffrey Keating <geoffk@apple.com>
1637 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1639 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1640 hook_bool_void_false.
1641 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1642 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1644 * config/darwin.c (machopic_select_section): It's not defined
1645 as weak if it's only marked as weak_import.
1647 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1650 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1651 A hidden weak object does bind locally. Strong linkonce data
1652 counts like any other strong symbol for binding.
1653 (weak_finish_1): Don't specially handle weakrefs, they no longer
1655 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1656 * c-common.c (handle_alias_attribute): Allow static aliases
1658 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1659 * gthr-dce.h: Make weakrefs static.
1660 * gthr-tpf.h: Likewise.
1661 * gthr-solaris.h: Likewise.
1662 * gthr-posix.h: Likewise.
1663 * gthr-posix95.h: Likewise.
1664 * config/darwin.c (darwin_encode_section_info): static weakref
1665 variables are not necessarily defined in this translation unit.
1666 * doc/extend.texi (Function Attributes): Mention that an alias
1667 attribute creates a definition for the thing it's attached to.
1668 Change the documentation for weakref to say that the thing
1669 it's attached to must be static.
1671 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1672 we don't go into an infinite loop.
1674 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
1676 * config/rs6000/predicates.md (logical_const_operand): Split
1677 out of logical_operand.
1678 (logical_operand): Use it.
1679 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1680 logical_const_operand.
1682 2005-12-05 Jan Beulich <jbeulich@novell.com>
1684 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1685 and IX86_BUILTIN_CMPNESS.
1686 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1687 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1688 * config/i386/i386.md (movti_internal): Correct type attribute.
1689 Simplify mode attribute.
1690 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1691 Correct type attribute.
1692 (absxf2): Correct operator.
1693 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1694 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1695 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1697 (sse2_vmsqrtv2df2): Correct mode attribute.
1699 2005-12-05 Jan Beulich <jbeulich@novell.com>
1701 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1702 16 bits. Provide insn pattern for this case.
1704 2005-12-05 Jan Beulich <jbeulich@novell.com>
1706 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1708 (__popcountDI2): Likewise.
1710 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1713 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1714 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1715 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1718 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1720 * c-typeck.c (null_pointer_constant_p): New function.
1721 (build_conditional_expr, build_c_cast, convert_for_assignment,
1722 build_binary_op): Use it.
1724 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1726 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1727 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1729 (check_function_arguments_recurse): Allow both NOP_EXPR and
1730 CONVERT_EXPR but check conversions preserve precision.
1731 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1732 but check conversions preserve precision.
1733 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
1736 2005-12-04 Roger Sayle <roger@eyesopen.com>
1739 * common.opt (Wstring-literal-comparison): New command line option.
1740 * c-opts.c (c_common_handle_option): Set it with -Wall.
1741 * c-typeck.c (parser_build_binary_op): Issue warning if either
1742 operand of a comparison operator is a string literal, except for
1743 testing equality or inequality against NULL.
1745 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1747 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1749 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1750 of building a NOP_EXPR.
1751 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
1753 * c-convert.c (convert): Use fold_convert instead of building
1754 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
1755 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
1757 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1758 NOP_EXPR the same as CONVERT_EXPR.
1759 * c-typeck.c (build_function_call): Use fold_convert instead of
1760 building a NOP_EXPR directly.
1761 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1763 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1765 PR rtl-optimization/25197
1766 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1769 2005-12-02 Stuart Hastings <stuart@apple.com>
1771 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1774 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1776 * c-typeck.c (default_function_array_conversion,
1777 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1778 (build_conditional_expr): Apply integer_zerop to orig_op1 and
1779 orig_op2. Don't check them for NOP_EXPR.
1780 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1781 around integer zero.
1783 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1785 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1786 toc_save_offset, toc_size, lr_size.
1787 (rs6000_stack_info): Use memset rather than bss struct copy to init.
1788 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1789 Adjust for removal of unused rs6000_stack_t fields.
1790 (debug_stack_info): Adjust.
1791 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
1792 first, and don't bother checking for set/inc of lr on sibcalls.
1793 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1795 2005-12-02 Jakub Jelinek <jakub@redhat.com>
1798 * config/i386/i386.md (movqi_1): Only force imovx for alternative
1799 5 if operand 1 is not aligned. Undo previous constraint change.
1800 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1802 2005-12-02 Richard Guenther <rguenther@suse.de>
1804 * tree.h (build): Remove prototype.
1805 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1806 * tree.c (build): Remove.
1807 (build0_stat): Update comment.
1809 2005-12-02 Richard Guenther <rguenther@suse.de>
1811 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1812 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1814 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1815 maybe_fold_offset_to_component_ref): Likewise.
1816 * tree-ssa-dom.c (thread_across_edge,
1817 simplify_rhs_and_lookup_avail_expr,
1818 find_equivalent_equality_comparison, record_equivalences_from_stmt):
1820 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1821 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1822 lower_try_finally_switch): Likewise.
1823 * tree-if-conv.c (add_to_dst_predicate_list,
1824 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1825 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1826 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1827 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1828 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1829 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1830 gimplify_init_ctor_eval, gimplify_init_constructor,
1831 gimplify_variable_sized_compare, gimplify_boolean_expr,
1832 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1833 gimplify_expr, gimplify_body, gimplify_function_tree,
1834 force_gimple_operand): Likewise.
1835 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1836 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1837 mx_register_decls): Likewise.
1838 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1839 get_frame_field, finalize_nesting_tree_1): Likewise.
1840 * tree-inline.c (setup_one_parameter): Likewise.
1841 * tree-vect-transform.c (vectorizable_condition): Likewise.
1842 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1844 * tree-profile.c (tree_gen_edge_profiler): Likewise.
1845 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1846 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1847 * tree-chrec.h (build_polynomial_chrec): Likewise.
1849 2005-12-02 Richard Guenther <rguenther@suse.de>
1851 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1852 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1853 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1854 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1855 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1856 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1857 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1859 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1860 sh_adjust_unroll_max): Likewise.
1861 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1862 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1863 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1865 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1867 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1870 2005-12-02 Richard Guenther <rguenther@suse.de>
1872 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1873 simplify_cond_using_ranges): Use buildN instead of build.
1874 * tree-tailcall.c (adjust_accumulator_values,
1875 adjust_return_value): Likewise.
1876 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1877 generate_element_copy, generate_element_zero,
1878 generate_one_element_init): Likewise.
1879 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1880 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1881 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1882 perfect_nestify): Likewise.
1884 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1886 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1888 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
1890 * ggc.h (GGC_RESIZEVEC): New.
1892 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1894 * gcc.c (execute): Improve readability.
1896 2005-12-02 Richard Guenther <rguenther@suse.de>
1898 * tree-cfg.c (mark_used_vars): New function.
1899 (dump_function_to_file): Dump only used VAR_DECLs.
1901 2005-12-02 Richard Guenther <rguenther@suse.de>
1903 * convert.c (convert_to_integer): Fix compare for nonpositive
1904 constant to use tree_int_cst_sgn <= 0.
1906 2005-12-02 Richard Guenther <rguenther@suse.de>
1908 * convert.c (convert_to_integer): Use fold_convert instead
1909 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
1910 instead of comparing against 0. Use build_int_cst instead
1911 of converting integer_zero_node.
1913 2005-12-02 Richard Guenther <rguenther@suse.de>
1915 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1918 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1921 * combine.c (simplify_logical <IOR>): Simplify more patterns to
1924 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1927 * function.c (expand_function_end): Emit blockage for unwinder
1930 2005-12-01 Roger Sayle <roger@eyesopen.com>
1932 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1933 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1934 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1935 integer constant comparisons.
1937 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
1938 Janis Johnson <janis187@us.ibm.com>
1939 David Edelsohn <dje@watson.ibm.com>
1940 Ben Elliston <bje@au.ibm.com>
1942 * dfp.h, dfp.c: New files.
1943 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1944 (DECNUM_H): Likewise.
1945 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1946 (INCLUDES): Append $(DECNUMINC).
1947 (OBJS-common): Add dfp.o.
1949 * real.h (EXP_BITS): Pinch one bit to ..
1950 (struct real_value): Add decimal field.
1951 (real_format): Change table size, update documentation.
1952 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1953 (real_from_string3): Declare.
1954 (decimal_single_format): Declare.
1955 (decimal_double_format): Declare.
1956 (decimal_quad_format): Declare.
1957 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1958 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1959 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1960 * real.c: Include dfp.h.
1961 (normalize): Early return for decimal floats.
1962 (do_add): Zero decimal field.
1963 (do_compare): Call do_decimal_compare for decimal floats.
1964 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1965 (real_arithmetic): Call decimal_real_arithmetic for decimal
1966 floating point operands.
1967 (real_identical): If a and b are of differing radix, return false.
1968 (real_to_integer): Call decimal_real_to_integer if the value is a
1970 (real_to_integer2): Likewise, call decimal_real_to_integer2.
1971 (real_to_decimal): Likewise, call decimal_real_to_decimal.
1972 (real_to_hexadecimal): Place "N/A" in the return string for
1974 (real_from_string3): New variant, given a mode.
1975 (real_maxval): Use decimal_real_maxval for decimal floats.
1976 (round_for_format): Use decimal_round_for_format for decimals.
1977 (real_convert): Use decimal_real_convert where appropriate.
1978 (significand_size): Handle base 10.
1979 (encode_decimal_single, decode_decimal_single,
1980 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1981 decode_decimal_quad): New functions.
1982 (decimal_single_format): New.
1983 (decimal_double_format): New.
1984 (decimal_quad_format): New.
1985 * machmode.def: Add SD, DD and TD decimal floating point modes.
1986 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1987 Include MODE_DECIMAL_FLOAT.
1988 (DECIMAL_FLOAT_MODE_P): New.
1989 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1990 * genmodes.c (struct mode_data): Add counter field.
1991 (struct mode_data): Update comment for format.
1992 (blank_mode): Initialise counter field.
1993 (new_mode): Increment counter field for each mode defined.
1994 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1996 (make_complex_modes): Handle modes containing `D'.
1997 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1998 (make_decimal_float_mode): New.
1999 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2000 (cmp_modes): Compare counter field if other characteristics
2002 (emit_real_format_for_mode): Support formats for decimal floats.
2003 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2004 Document MODE_DECIMAL_FLOAT.
2006 2005-12-02 Alan Modra <amodra@bigpond.net.au>
2008 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2011 2005-12-01 Richard Henderson <rth@redhat.com>
2013 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2015 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2017 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2019 * config/pa/pa.c (pa_init_builtins): If we detect
2020 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2023 2005-12-01 Richard Guenther <rguenther@suse.de>
2025 * fold-const.c (fold_binary): Use fold_build2, not
2028 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
2030 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2032 * vec.h (VEC_block_remove): New.
2034 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
2037 * c-common.c (lvalue_error): Fix wording.
2039 2005-12-01 Richard Guenther <rguenther@suse.de>
2041 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2042 thinko in last patch.
2044 2005-12-01 Geoffrey Keating <geoffk@apple.com>
2046 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2047 than -flat_namespace.
2049 2005-12-01 Ben Elliston <bje@au.ibm.com>
2051 * mklibgcc.in: Parameterise the script to build soft float
2052 functions by iterating over each type, rather than cloning the
2055 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2058 * builtins.c (fold_builtin_fputs): Defer check for missing
2059 replacement functions.
2061 2005-11-30 Kean Johnston <jkj@sco.com>
2063 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2064 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2066 2005-11-30 Richard Guenther <rguenther@suse.de>
2068 PR tree-optimization/22501
2069 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2070 function split out from ...
2071 (forward_propagate_addr_expr): ... here. Use it to propagate
2072 ADDR_EXPRs to all uses.
2074 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2076 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2077 * builtins.c (expand_builtin_mathfn): Use them.
2078 (expand_builtin_mathfn_2): Likewise.
2079 (expand_builtin_mathfn_3): Likewise.
2080 (expand_builtin_int_roundingfn): Likewise.
2081 (expand_builtin): Likewise.
2082 (integer_valued_real_p): Likewise.
2083 (fold_builtin_int_roundingfn): Likewise.
2084 (fold_builtin_bitop): Likewise.
2085 (fold_builtin_logarithm): Likewise.
2086 (fold_builtin_1): Likewise.
2087 * convert.c (convert_to_integer): Likewise.
2088 * fold-const.c (negate_mathfn_p): Likewise.
2089 (tree_expr_nonnegative_p): Likewise.
2091 2005-11-30 Dale Johannesen <dalej@apple.com>
2092 Andrew Pinski <pinskia@physics.uc.edu>
2094 * combine.c (find_split_point): Sign extend bitmask
2095 when changing bitfield assignment to IOR of AND.
2097 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2099 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2100 clobber to scratch reg.
2101 (*decrement_and_branch_until_zero_no_clobber): Remove.
2102 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2103 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2104 * config/ms1/ms1.opt (mmul): Remove.
2105 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2106 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2108 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2109 Bernd Schmidt <bernd.schmidt@analog.com>
2111 * pa/predicates.md (symbolic_operand): Add comment.
2112 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2113 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2114 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2115 (pa_secondary_reload_class): Delete.
2116 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2117 and pa_secondary_reload_class. Reorder some checks. Update inline
2118 copy of symbolic operand.
2119 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2121 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
2123 * loop-doloop.c (add_test): Only add jump notes if we did emit a
2126 2005-11-30 Jeff Law <law@redhat.com>
2128 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2129 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2131 2005-11-30 Jakub Jelinek <jakub@redhat.com>
2133 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2134 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2135 (ia64_expand_move): Adjust caller.
2137 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2138 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2141 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
2143 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2144 Always produce an output if we can remove NEGs or canonicalize
2145 (minus (minus ...)) expressions. Provide a fast path for the
2147 (simplify_gen_binary): Do not call simplify_plus_minus.
2148 (simplify_binary_operation_1): Reassociate at the end of the
2151 2005-11-29 Evan Cheng <evan.cheng@apple.com>
2153 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2154 moves and unpack to speed up.
2156 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
2158 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2159 argument, they are always sparc_compare_op0 and sparc_compare_op1.
2160 (gen_v9_scc): Update callers.
2161 * config/sparc/sparc.md: Likewise.
2162 * config/sparc/sparc-protos.h: Update extern declaration.
2164 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2166 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2168 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2171 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
2173 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2174 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2175 (negate_expr): Here.
2177 2005-11-29 Ben Elliston <bje@au.ibm.com>
2179 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2180 Fix typo in comment.
2182 2005-11-29 Ben Elliston <bje@au.ibm.com>
2184 * Makefile.in (clean-target): Depend on clean-target-libgcc.
2185 (clean-target-libgcc): Import rule from the top-level Makefile.in.
2187 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2191 * builtins.c (init_target_chars): New.
2192 (expand_builtin_printf, expand_builtin_fprintf,
2193 expand_builtin_sprintf, fold_builtin_sprintf,
2194 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2195 fold_builtin_snprintf_chk, fold_builtin_printf,
2196 fold_builtin_fprintf): Check for matching format strings using
2199 2005-11-29 Paul Brook <paul@codesourcery.com>
2201 * config.gcc: Do not use fixproto on m68k-elf.
2203 2005-11-28 Roger Sayle <roger@eyesopen.com>
2205 * expmed.c (div_cost): Replace with...
2206 (sdiv_cost, udiv_cost): New.
2207 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2208 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2209 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2210 (expand_divmod): Replace use of div_cost with either sdiv_cost
2211 or udiv_cost depending upon the signedness of the operation.
2213 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2216 * config/darwin.c (machopic_indirection_name,
2217 machopic_output_indirection): Follow transparent alias chain.
2219 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
2221 * varasm.c (ultimate_transparent_alias_target): Add comment.
2223 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
2225 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2226 SET_SRC instead of XEXP where appropriate.
2228 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2230 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2233 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
2235 * config/fp-bit.h (LSHIFT): Take shift count parameter.
2236 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2239 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
2241 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2242 secondary_input_reload_class, made static. Adapt to new
2244 (secondary_output_reload_class): Delete.
2245 (TARGET_SECONDARY_RELOAD): New macro.
2246 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2247 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2249 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
2252 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
2253 when its natural alignment is > BITS_PER_UNIT.
2254 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2255 * c-common.c (handle_packed_attribute): Ignore packing on a field
2256 whose type is naturally char aligned.
2258 2005-11-28 Richard Guenther <rguenther@suse.de>
2260 * c-common.c (strict_aliasing_warning): Handle all
2261 component-ref like accesses.
2263 2005-11-28 Roger Sayle <roger@eyesopen.com>
2264 Uros Bizjak <uros@kss-loka.si>
2267 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2268 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2269 when flag_unsafe_math_optimizations is set and
2270 we don't care about NaNs or Infinities.
2272 Move x/expN(y) and x/pow(y,z) transformation into common
2273 flag_unsafe_math_optimizations section.
2275 2005-11-27 Mark Mitchell <mark@codesourcery.com>
2277 * gcc.c (main): Change type of argv to "char **".
2279 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2281 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2282 small data sections.
2283 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2284 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2285 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2286 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
2287 output locals to sbss if !rs6000_elf_in_small_data_p.
2288 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2290 2005-11-28 Alan Modra <amodra@bigpond.net.au>
2293 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2294 generated by reload.
2295 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2296 indexed_or_indirect_address.
2297 (indexed_or_indirect_address): Don't test for base reg. Call
2298 address_operand last. Make it a special predicate.
2300 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
2302 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2304 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
2307 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2309 (negate_expr): Likewise.
2311 2005-11-27 Andreas Schwab <schwab@suse.de>
2313 * config/m68k/m68k.c: Reindent and fix whitespace, remove
2316 2005-11-27 Steven Bosscher <stevenb@suse.de>
2318 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2319 has EH predecessor edges.
2321 2005-11-26 Eric Christopher <echristo@apple.com>
2323 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2324 register stalls by zero extending to the full register.
2326 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
2328 * config/floatunsisf.c, config/floatunsidf.c,
2329 config/floatunsixf.c, config/floatunsitf.c: New files.
2330 * config/ia64/t-hpux: Add floatunsitf.c.
2331 * config/ia64/ia64.c (ia64_init_libfuncs): Use
2332 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2334 2005-11-26 Richard Henderson <rth@redhat.com>
2336 * c-lex.c (pragma_lex): Rename from c_lex.
2337 * c-pch.c: Update for pragma_lex rename.
2338 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2339 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2340 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2341 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2342 * doc/tm.texi: Likewise.
2344 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
2347 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2348 when overflow is undefined.
2350 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
2352 * doc/md.texi (Insn Canonicalizations): Refer to the
2353 function commutative_operand_precedence for further rules.
2355 2005-11-25 Roger Sayle <roger@eyesopen.com>
2358 * expmed.c (choose_mult_variant): Return immediately when mult_cost
2359 is less than zero. Limit mult_cost to a reasonable upper bound for
2360 the synthetic multiplication sequence.
2362 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2365 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2366 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2367 Lookup the explicit replacement functions for any unlocked
2368 stdio builtin transformations.
2370 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
2372 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2374 * targhooks.c (default_secondary_reload): Don't require operand 2
2375 for an input reload to be earlyclobber.
2377 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2379 * fold-const.c (negate_mathfn_p): Fix comment and add support
2380 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2383 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2386 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2387 _Q_ulltoq for unsigned conversions from SImode and DImode to
2390 2005-11-25 Alan Modra <amodra@bigpond.net.au>
2392 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2393 (__floatundidf, __floatundisf): Likewise.
2395 2005-11-25 David Edelsohn <edelsohn@gnu.org>
2397 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2398 (rs6000_override_options): Remove initialization of
2399 rs6000_sr_alias_set.
2400 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2401 (rs6000_emit_stack_tie): Same.
2402 (emit_frame_save): Same.
2403 (gen_frame_mem_offset): Same.
2404 (rs6000_emit_prologue): Same.
2405 (rs6000_emit_epilogue): Same.
2407 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2410 * fold-const.c (fold_build): Convert bool_var != 1 and
2411 bool_var == 0 to !bool_var.
2413 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
2416 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2417 for C being INTEGER_CST. Likewise for !=.
2419 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
2422 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2423 unsigned conversions from SImode to TFmode.
2425 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
2427 * expr.c (expand_expr_real_1): Fix error in last change.
2429 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2431 * caller-save.c: (this_insn_sets): Move into:
2432 (save_call_clobbered_regs).
2433 (mark_set_regs): Get this_insn_sets from data.
2435 (save_call_clobbered_regs): Take sets of the return value by
2436 sibcalls into account.
2438 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
2441 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2442 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2443 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2444 (memory_move_secondary_cost, init_reg_autoinc): Remove
2445 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2446 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2447 secondary_reload_class call.
2448 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
2450 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2451 (push_secondary_reload): Use secondary_reload target hook.
2452 (secondary_reload_class, scratch_reload_class): New functions.
2453 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2454 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
2455 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2456 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2457 (secondary_reload_class, scratch_reload_class): Declare.
2458 * reload1.c: Include target.h.
2459 (reload_adjust_reg_for_temp): New function.
2460 (reload_adjust_reg_for_icode): Likewise.
2461 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2462 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2464 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
2465 for inheritance. Support case when both secondary & tertiary reloads
2466 are for intermediate registers.
2467 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2468 with secondary_reload_class call. Support case when both secondary
2469 & tertiary reloads are for intermediate registers.
2470 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2471 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2472 * target.h (secondary_reload_info): New struct / typedef.
2473 (struct gcc_target): New member secondary_reload.
2474 * targhooks.c Include reload.h, optabs.h and recog.h.
2475 (default_secondary_reload): New function.
2476 * targhooks.h (default_secondary_reload): Declare.
2477 * doc/tm.texi: Document secondary_reload target hook. Update
2478 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2479 * doc/md.texi: Likewise.
2481 * sh-protos.h (sh_secondary_reload): Declare.
2482 * sh.c (TARGET_SECONDARY_RELOAD): Override.
2483 (sh_secondary_reload): New function.
2484 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2485 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2486 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2487 (HAVE_SECONDARY_RELOADS): Define.
2488 * sh.md (reload_indf): Rename to:
2490 (reload_outdf): Rename to:
2491 (reload_outdf__RnFRm).
2492 (reload_insf): Rename to:
2494 (reload_insi): Rename to:
2495 (reload_insi__i_fpul).
2497 2005-11-24 Uros Bizjak <uros@kss-loka.si>
2499 * configure.ac: Require at least texinfo 4.4.
2500 * configure: Regenerate.
2502 * doc/install.texi (Tools/packages necessary for building GCC):
2503 Update required version of texinfo to at least 4.4.
2504 (Installing GCC: Building): Update required version of texinfo
2506 (Installing GCC: Final installation): Update required version
2507 of texi2dvi to at least 4.4.
2508 (Host/target specific installation notes for GCC): Update required
2509 version of texinfo to at least 4.4.
2511 2005-11-24 Richard Guenther <rguenther@suse.de>
2512 Dirk Mueller <dmueller@suse.de>
2515 * c-common.h (strict_aliasing_warning): Declare.
2516 * c-common.c (strict_aliasing_warning): New function,
2518 * c-typeck.c (build_c_cast): ... here.
2520 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2522 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2524 (swap_commutative_operands_with_target): New.
2526 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2528 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2529 also when doing PRE, rather than only for global CPROP.
2531 2005-11-24 Ben Elliston <bje@au.ibm.com>
2533 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2534 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2536 (expand_twoval_unop): Likewise.
2537 (widen_clz): Likewise.
2538 (expand_parity): Likewise.
2539 (expand_unop): Likewise.
2540 (emit_cmp_and_jmp_insn_1): Likewise.
2541 (prepare_float_lib_cmp): Likewise.
2543 2005-11-24 Ben Elliston <bje@au.ibm.com>
2545 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2546 Remove unused `class' variable.
2548 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2551 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
2552 C/C++ diagnostic function warn_array_subscript_with_type_char.
2553 * c-common.h (warn_array_subscript_with_type_char): Declare.
2554 * c-common.c (warn_array_subscript_with_type_char): Define.
2556 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2559 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2560 compiling at the intersection of C and C++.
2562 2005-11-23 Mark Mitchell <mark@codesourcery.com>
2564 * doc/invoke.texi: For man pages, include gcc-vers.texi.
2565 List @file in the option summary. Include the libiberty
2566 documentation for @file.
2567 * gcc.c (main): Call expandargv.
2568 * Makefile.in (gcc-vers.texi): Define srcdir.
2570 2005-11-23 Diego Novillo <dnovillo@redhat.com>
2572 * passes.c (init_optimization_passes): Document
2573 sequencing of passes.
2575 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
2577 * config/m68k/predicates.md (pcrel_address, extend_operator,
2578 post_inc_operand, pre_dec_operand): Remove redundant
2580 (const_uint32_operand, const_sint32_operand): Use gcc_assert
2582 (valid_dbcc_comparison_p): Rewrite in the lisp style.
2584 2005-11-23 Ben Elliston <bje@au.ibm.com>
2586 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2588 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
2590 Preparatory work for PR target/21623:
2591 * alpha.c (secondary_reload_class): Rename to:
2592 (alpha_secondary_reload_class).
2593 * alpha.h, alpha-protos.h: Likewise.
2594 * mn10300.c (secondary_reload_class): Rename to:
2595 (mn10300_secondary_reload_class).
2596 * mn10300.h, mn10300-protos.h: Likewise.
2597 * pa.c (secondary_reload_class): Rename to:
2598 (pa_secondary_reload_class).
2599 * pa.h, pa-protos.h: Likewise.
2600 * rs6000.c (secondary_reload_class): Rename to:
2601 rs6000_secondary_reload_class.
2602 * rs6000.h, rs6000-protos.h: Likewise.
2604 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
2607 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2609 2005-11-22 Ian Lance Taylor <ian@airs.com>
2611 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2613 (prepare_cmp_insn): Likewise.
2615 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
2618 * m68k.md (zero_extendsidi2): Force operands[1] to a register
2619 if both operands[0] and operands[1] are memory.
2621 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2624 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2625 COMPARISON_CLASS_P and an integral types create create a new
2626 expression with the new type and fold that.
2628 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2631 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2632 to SUBTARGET_OS_CPP_BUILTINS.
2634 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
2636 * arm.c (emit_set_insn): New function.
2637 (arm_split_constant): Call it.
2638 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2639 (arm_legitimize_address): Likewise. Use plus_constant.
2640 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
2641 (thumb_expand_prologue): Likewise.
2642 (arm_gen_load_multiple): Use VOIDmode in SET.
2643 (arm_gen_store_multiple): Likewise.
2644 (vfp_emit_fstmx): Likewise. Use plus_constant.
2645 (emit_multi_reg_push): Likewise.
2646 (emit_sfm): Use plus_constant.
2648 2005-11-23 Alan Modra <amodra@bigpond.net.au>
2651 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2654 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2657 * expmed.c (store_bit_field): Don't attempt to insv a field
2658 larger than the reg.
2660 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2663 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2664 explicit sign extension, not a (char) cast.
2666 2005-11-22 Ben Elliston <bje@au.ibm.com>
2668 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2669 GET_MODE_CLASS (x) == MODE_FLOAT.
2670 * config/i386/i386.c: Likewise.
2671 * config/rs6000/xcoff.h: Likewise.
2672 * config/rs6000/linux64.h: Likewise.
2673 * config/rs6000/rs6000.c: Likewise.
2674 * config/rs6000/rs6000.h: Likewise.
2675 * config/rs6000/predicates.md: Likewise.
2676 * config/rs6000/sysv4.h: Likewise.
2678 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2680 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2683 * config/alpha/freebsd.h, config/alpha/linux.h,
2684 config/arm/linux-elf.h, config/bfin/bfin.h,
2685 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2686 config/i386/beos-elf.h, config/i386/gnu.h,
2687 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2688 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2689 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2690 config/rs6000/linux64.h, config/rs6000/sysv4.h,
2691 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2692 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2693 config/sparc/linux.h, config/sparc/linux64.h,
2694 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2696 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2697 are both defined when either flag -fpic or -fPIC are used.
2699 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2701 * config/fp-bit.c (clzusi): New function.
2702 (si_to_float, usi_to_float): Use it to compute proper shift.
2703 (usi_to_float): Preserve guard bits when shifting right.
2704 * libgcc-std.ver (GCC_4.2.0): New version.
2705 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2706 __floatundisf): New functions.
2707 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2708 __floatundisf): Declare.
2709 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2710 _floatundixf, and _floatunditf.
2711 * optabs.c (expand_float): If target does not define a pattern for
2712 signed or unsigned conversion, use an unsigned libcall instead of
2714 (init_optabs): Initialize ufloat_optab.
2716 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2718 * config/rs6000/rs6000.opt (mmulhw): New option.
2719 * doc/invoke.texi (-mmulhw): Document.
2720 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2722 * config/rs6000/rs6000.md: Add half-word multiply and
2723 multiply-accumulate instructions for 405 and 440.
2725 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
2727 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2728 which matches behavior of gcc 4.0 and older for RTEMS targets. The
2729 default now includes a linker group which makes the RTEMS one nest.
2731 2005-11-22 Ben Elliston <bje@au.ibm.com>
2733 * cse.c (fold_rtx): Typo fix.
2734 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2736 2005-11-21 Richard Henderson <rth@redhat.com>
2738 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2739 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2741 * c-tree.h (lookup_name): Move declaration ...
2742 * c-common.h (lookup_name): ... here.
2743 * config/darwin-c.c: Include c-common.h.
2744 * config/t-darwin: Update dependencies.
2746 2005-11-22 Ben Elliston <bje@au.ibm.com>
2748 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2749 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2750 * genopinit.c (gen_insn): Likewise.
2751 * reload.c (find_equiv_reg): Likewise.
2752 * loop.c (load_mems): Likewise.
2753 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2754 * cse.c (find_comparison_args, fold_rtx): Likewise.
2755 * dwarf2out.c (add_const_value_attribute): Likewise.
2756 * expr.c (convert_move): Likewise.
2757 * recog.c (general_operand, register_operand): Likewise.
2758 * reg-stack.c (replace_reg): Likewise.
2759 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2760 * c-common.c (handle_vector_size_attribute): Likewise.
2761 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2762 (simplify_binary_operation_1): Likewise.
2763 (simplify_const_binary_operation): Likewise.
2764 (simplify_relational_operation): Likewise.
2765 (simplify_const_relational_operation): Likewise.
2766 (simplify_immed_subreg): Likewise.
2767 * emit-rtl.c (gen_lowpart_common): Likewise.
2768 * expmed.c (expand_mult): Likewise.
2769 * stor-layout.c (layout_type): Likewise.
2771 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
2774 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2775 cst2 only for SPE vectors.
2777 2005-11-21 David Edelsohn <edelsohn@gnu.org>
2780 * config/rs6000/predicates.md (vrsave_operation): Check
2781 UNSPEC_VOLATILE value.
2783 2005-11-21 Jan Hubicka <jh@suse.cz>
2785 PR tree-optimization/24653
2786 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2788 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2790 * config/i386/predicates.md (ax_reg_operand): New predicate.
2791 (memory_displacement_only_operand): New predicate.
2792 * config/i386/i386.md ("modrm" attribute): Return 0 if one
2793 operand is AX register and the other operand is memory operand
2794 with displacement only.
2796 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2798 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2799 if we don't care about NaNs or Infinities.
2801 2005-11-20 Ian Lance Taylor <ian@airs.com>
2803 PR rtl-optimization/24883
2804 * combine.c (combinable_i3pat): When checking whether the
2805 destination of i3 is used in i3, consider paradoxical subregs.
2807 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
2810 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2812 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
2814 * combine.c (try_combine): Do not run subst on i1src and i2src in
2815 the case of generating a PARALLEL for a comparison.
2817 2005-11-20 Richard Henderson <rth@redhat.com>
2820 * tree-sra.c (struct sra_elt): Add all_no_warning.
2821 (struct sra_walk_fns) <use>: Add use_all argument.
2822 (sra_walk_expr): Pass it.
2823 (sra_walk_modify_expr): Likewise.
2824 (scalarize_ldst): Likewise.
2825 (scan_use): Update for new argument.
2826 (mark_no_warning): New.
2827 (scalarize_use): Use it.
2829 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2831 * expr.c (expand_expr_real): Use usmul_optab for widening
2832 signed * unsigned multiplies.
2833 * genopinit.c (optabs): Add usmul_widen_optab.
2834 * optabs.c (init_optabs): Likewise.
2835 * optabs.h (enum optab_index): Add OTI_usmul_widen.
2836 (usmul_widen_optab): Define.
2837 * config/bfin/bfin.md (usmulhisi3): New pattern.
2839 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2841 2005-11-20 Graham Stott <btinternet.com>
2843 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2845 2005-11-20 Andreas Schwab <schwab@suse.de>
2848 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2851 2005-11-19 Richard Henderson <rth@redhat.com>
2854 * tree-gimple.c (is_gimple_id): Export.
2855 * tree-gimple.h (is_gimple_id): Declare.
2856 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2857 (get_default_value): Use it.
2858 (maybe_fold_stmt_indirect): Likewise.
2860 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
2862 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2863 than VR1 or vice-versa.
2865 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
2869 * reload.c (find_reloads_address_1): Mention dependency on
2871 * reload1.c (gen_reload): For IN with an unary operation, try
2872 moving inner expression to OUT if trivial SET is not valid.
2873 Confirm that the result is valid. Move common code block into...
2874 (emit_insn_if_valid_for_reload): New function.
2876 2005-11-19 Richard Guenther <rguenther@suse.de>
2878 * fold-const.c (fold_indirect_ref_1): Make sure we fold
2879 ARRAY_REFs of constant strings.
2881 2005-11-19 Jakub Jelinek <jakub@redhat.com>
2883 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2884 fatal format string.
2886 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
2888 * combine.c (make_compound_operation): Swap operands of
2889 commutative operation if necessary before returning.
2891 2005-11-19 Richard Guenther <rguenther@suse.de>
2894 * fold-const.c (fold_plusminus_mult_expr): New function.
2895 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2896 cases, remove now unnecessary code.
2898 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
2900 * gensupport.c (old_preds): Rename to std_preds, add special field.
2901 (struct old_pred_table): Rename to struct std_pred_table, add special
2903 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2904 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2905 (init_predicate_table): Adjust, and set along the way whether a
2906 predicate is special.
2908 2005-11-18 Mark Mitchell <mark@codesourcery.com>
2910 * BASE-VER: Change to 4.2.0.
2912 2005-11-18 James E Wilson <wilson@specifix.com>
2914 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2917 2005-11-18 Mike Stump <mrs@apple.com>
2919 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2920 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2921 * c-decl.c (lookup_name_two) Remove.
2922 * c-tree.h (lookup_name_two): Remove.
2923 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2924 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2925 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2926 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2928 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
2931 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2932 when not generating code to use that co-processor.
2934 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
2936 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2937 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2938 these functions are now in tree-phinodes.c.
2940 2005-11-18 Jie Zhang <jie.zhang@analog.com>
2942 * config/bfin/bfin.md (trap): New pattern.
2944 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2946 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2949 * expr.c (expand_expr_real): Don't call record_block_change unless
2950 ib_boundaries_block is non-null
2952 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2954 * fold-const.c (build_range_check): Use proper type for subtraction
2955 when merging lower bound.
2957 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2959 PR rtl-optimization/24497
2960 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2963 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2965 * tree-scalar-evolution.c (expression_expensive_p): New function.
2966 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2968 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
2970 * config/bfin/crtlibid.s: New file.
2972 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2975 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2976 when not using sjlj exceptions.
2977 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2978 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2979 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2980 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2981 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2982 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2983 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2984 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2985 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2986 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2987 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2988 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2989 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2991 * config/pa/hpux-unwind.h: New file.
2993 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
2995 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2996 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2997 * varasm.c (do_assemble_alias): Adjust call.
2998 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3000 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3002 2005-11-17 James E Wilson <wilson@specifix.com>
3004 * tree.def (FUNCTION_DECL): Correct typo in comment.
3006 2005-11-17 Richard Henderson <rth@redhat.com>
3008 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3009 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3010 and DW_CFA_def_cfa_sf.
3011 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3012 (dbx_reg_number): Don't assert particular registers here.
3013 (based_loc_descr): ... do it here instead. Fold in ...
3014 (eliminate_reg_to_offset): ... this function.
3015 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3016 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3017 * unwind-dw2.c (execute_cfa_program): Apply data align factor
3018 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3019 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3020 (instantiate_virtual_regs): Likewise.
3021 * var-tracking.c (adjust_stack_reference): Likewise.
3022 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3024 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
3026 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3027 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3028 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3030 ($(T)crtlibid.o): New rule.
3032 2005-11-16 Richard Guenther <rguenther@suse.de>
3035 * fold-const.c (extract_array_ref): Return byte offset
3037 (fold_binary): Fold &x[a] CMP &x[b] to
3038 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3041 2005-11-16 Richard Henderson <rth@redhat.com>
3044 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3045 parts of an SSA_NAME.
3047 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
3050 * arm.md (split for movsf with immediate): Restrict split to insns
3051 that set a general register.
3053 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3055 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
3057 * unwind-dw2.c (uw_advance_context): Likewise.
3058 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
3059 _Unwind_SjLj_Unregister.
3060 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3062 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3064 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3066 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3068 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3069 langhook to get a DImode integer type.
3071 2005-11-16 Richard Henderson <rth@redhat.com>
3072 J"orn Rennecke <joern.rennecke@st.com>
3073 Ulrich Weigand <uweigand@de.ibm.com>
3077 * reload1.c (reg_equiv_invariant): New.
3078 (reload): Allocate, initialize, and free it.
3079 (calculate_needs_all_insns): Check it when skipping equivalence
3081 (alter_reg): Likewise.
3082 (eliminate_regs_1): Rename from eliminate_regs. Add new
3083 may_use_invariant argument; only use reg_equiv_invariant when true.
3084 (eliminate_regs): New.
3085 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3086 a context for which may_use_invariant may be true.
3088 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3090 * fold-const.c (const_binop): Don't constant fold the operation
3091 if the result has overflowed and flag_trapping_math.
3092 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3094 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
3096 * config/arm/unwind-arm.c (abort): Add prototype here.
3097 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3098 (struct phase1_vrs): Add prev_sp.
3099 (unwind_phase2_forced): Save the original core registers instead of
3100 modifying entry_vrs. Take a new flag argument for resuming unwinding
3101 and set action flags accordingly. Always set _US_END_OF_STACK when
3102 get_eit_entry fails. Unwind before calling the stop function.
3103 (_Unwind_GetCFA): New function.
3104 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3105 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3106 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3107 just call unwind_phase2_forced.
3108 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3109 * config/arm/unwind-arm.h (abort): Remove prototype.
3110 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3112 (_Unwind_GetCFA): New prototype.
3113 * config/arm/pr-support.c (abort): Add prototype here.
3114 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3116 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3117 not schedule the prologue with non-call exceptions and EABI.
3119 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
3121 * config/arm/unwind-arm.h: Reorder interface function declarations.
3122 (_URC_END_OF_STACK): New enumeration value.
3123 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3124 (struct _Unwind_Control_Block): Document reserved field use.
3125 (_Unwind_Stop_Fn): New typedef.
3126 (_Unwind_ForcedUnwind): Declare.
3127 (_Unwind_Resume_or_Rethrow): Declare.
3128 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3130 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3131 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3132 (UCB_FORCED_STOP_ARG): New.
3133 (search_EIT_table): Update boundary condition checks.
3134 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3135 (unwind_phase2): Replace for with do..while.
3136 (unwind_phase2_forced): New.
3137 (__gnu_Unwind_RaiseException): Replace for with do..while.
3138 (__gnu_Unwind_ForcedUnwind): New.
3139 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3140 Use appropriate phase2 unwinder.
3141 (__gnu_Unwind_Resume_or_Rethrow): New.
3142 (__gnu_unwind_pr_common): Cope with forced unwinding.
3144 2005-11-16 David Edelsohn <edelsohn@gnu.org>
3147 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3149 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3150 roundsf2): Remove "s" from mnemonic.
3152 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
3154 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3156 * config/bfin/crtn.s: Change epilogues to match.
3157 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3158 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3159 __PIC__ and __pic__.
3161 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3164 * doc/invoke.texi: Distinguish between free and fixed form instead of
3165 Fortran and Fortran 90/95. Remove ratfor from the list of supported
3167 * gcc.c (default_compilers): Remove double entries, add entries for
3168 suffixes '.F90' and '.F95'.
3170 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
3172 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3173 in the stack probing loop.
3175 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3177 * configure.ac: Use .machine power5 not power5x.
3178 * configure: Regenerate.
3180 2005-11-15 Mike Stump <mrs@apple.com>
3182 * c-decl.c (lookup_name_two): Add.
3183 * c-tree.h (lookup_name_two): Likewise.
3184 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3185 * config/darwin-c.c (darwin_pragma_unused): Likewise.
3187 2005-11-16 Alan Modra <amodra@bigpond.net.au>
3189 PR rtl-optimization/23392
3190 * regrename.c (enum scan_actions) Add mark_access.
3191 (scan_actions_name): Ditto.
3192 (scan_rtx_reg): Handle mark_access.
3193 (scan_rtx_address): Do nothing for mark_access.
3194 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3195 and regs in REG_INC notes before closing chains for dead regs.
3196 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3197 opening chains for new writes.
3199 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3201 * c.opt (ffixed-line-length-none): New.
3203 2005-11-15 Steve Ellcey <sje@cup.hp.com>
3205 * mklibgcc.in: Change contents of eh_dummy.c.
3207 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3209 * loop.c (scan_loop): Do not insert temporaries for hard registers.
3211 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
3213 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3215 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
3217 2005-11-15 Jan Hubicka <jh@suse.cz>
3219 * invoke.texi (large-unit-insns): Document.
3220 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3221 * params.def (large-unit-insns): New param.
3223 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
3226 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3227 special register for operand 3. Reindent constraints to align
3230 2005-11-14 David Edelsohn <edelsohn@gnu.org>
3232 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3233 -mpopcntb, -mfprnd. Add -mcpu=power5+.
3234 * configure.ac: Add test for FP rounding instructions.
3235 * configure: Regenerate.
3236 * config.in: Regenerate.
3237 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3238 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3240 * config/rs6000/rs6000.opt (mfprnd): New.
3241 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3242 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3243 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3244 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3245 (TARGET_FPRND): New.
3246 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3248 (btrunc<mode>2): New.
3250 (floor<mode>2): New.
3251 (round<mode>2): New.
3253 2005-11-14 Geoffrey Keating <geoffk@apple.com>
3255 * gcc.c (version_compare_spec_function): Use fatal() rather than
3258 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3259 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3260 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3262 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3265 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3266 on -mmacosx-version-min setting.
3268 2005-11-14 Diego Novillo <dnovillo@redhat.com>
3271 * tree-vrp.c (infer_value_range): Return false if STMT is a
3272 block terminator and its basic block has no successors.
3274 2005-11-14 Mike Stump <mrs@apple.com>
3276 * config/i386/i386.c (override_options): -masm=intel isn't
3277 supported on darwin.
3278 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3280 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
3282 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3283 vfork after including auto-host.h.
3285 2005-11-15 Alan Modra <amodra@bigpond.net.au>
3287 PR rtl-optimization/22002
3288 * combine.c (distribute_notes): Detect cases where a reg dies
3289 two or more times in a bb, including on the insn we are combining,
3290 and place the death note on the correct range.
3292 2005-11-14 Dale Johannesen <dalej@apple.com>
3294 * expmed.c (store_bit_field): Add offset unconditionally for
3296 (extract_bit_field): Don't force extzv or extv operand into
3297 a register if field is too big.
3299 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3301 * config/arm/arm.c (pic_labelno): New.
3302 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3303 LABEL_REF. Pass only the labelno to PIC insns.
3304 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3305 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3306 * arm.md (UNSPEC_PIC_LABEL): New constant.
3307 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3308 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3309 Use the correct label prefix.
3311 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
3313 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3316 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
3318 * loop-invariant.c: Include tm_p.h.
3319 * Makefile.in: Updated.
3321 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3323 * pa.c (store_reg): Revise generation of frame notes in large frames.
3324 (set_reg_plus_d): Likewise.
3326 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
3328 PR tree-optimization/24709
3329 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3332 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3334 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3335 and duplicate declaration of pthread_self.
3337 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
3338 Ian Lance Taylor <ian@airs.com>
3341 * calls.c (expand_call): If TARGET is a MEM and some part of the
3342 argument area has been saved, force TARGET to a register.
3344 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
3346 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3349 2005-11-13 Jason Merrill <jason@redhat.com>
3352 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3353 lazily declared methods.
3354 (force_decl_die): Stop if forcing out the context already make a
3356 (force_type_die): Likewise.
3358 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
3361 * builtins.c (integer_valued_real_p): Add break in
3362 REAL_CST having TREE_OVERFLOW set.
3364 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
3366 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3367 addressing modes during calculation of costs.
3369 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3371 * function.c (assign_stack_local_1): Restrict sanity check
3372 on frame size overflow to 32-bit and above platforms.
3374 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3376 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3377 * config/cris/cris.c: Include reload.h.
3378 (cris_initial_elimination_offset): New function.
3379 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3382 2005-11-12 Richard Guenther <rguenther@suse.de>
3384 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3386 2005-11-12 Jan Hubicka <jh@suse.cz>
3388 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3389 to compare against 0 when possible.
3391 2005-11-12 Jie Zhang <jie.zhang@analog.com>
3393 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3394 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3395 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3396 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3399 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3401 * recog.c (constrain_operands) <case 'g'>: For a match, require
3402 that a non-register matches general_operand when strict >= 0.
3404 2005-11-11 Steven Bosscher <stevenb@suse.de>
3406 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3409 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3411 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3412 (memory_address_same): New.
3413 (dse_optimize_stmt): Call memory_address_same.
3415 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
3418 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3419 ZERO_EXTEND>: New cases.
3421 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
3423 * longlong.h (__clz_tab): Always provide.
3425 2005-11-11 Steven Bosscher <stevenb@suse.de>
3428 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3430 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3431 before check_maybe_invariant.
3432 (move_invariant_reg): Use gen_move_insn instead of replacing
3433 SET_DEST with the temporary for the invariant.
3434 (move_loop_invariants): If checking is enabled, do internal
3435 consistency checks after completing the pass.
3437 2005-11-11 David Edelsohn <edelsohn@gnu.org>
3440 * common.opt (Wvolatile-register-var): New.
3441 * varasm.c (make_decl_rtl): Only emit warning when option
3442 specified. Clarify warning message.
3443 * doc/invoke.texi (Wvolatile-register-var): Document new option.
3445 * doc/md.texi (copysign): Document standard named pattern.
3447 2005-11-11 Jie Zhang <jie.zhang@analog.com>
3449 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3450 bytes when align is 2.
3451 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3452 by the first instruction of the loop.
3454 2005-11-11 Jason Merrill <jason@redhat.com>
3457 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3460 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3462 PR rtl-optimization/22509
3463 * local-alloc.c (memref_used_between_p): Check whether a function call
3464 could not reference the memref.
3466 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
3468 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3469 algorithm so as to choose the best, not the worst, alternative.
3470 Reset accumulated register class before processing next alternative.
3472 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
3475 * calls.c (expand_call): Copy a return value to a plain register
3478 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
3481 * varasm.c (assemble_name): Recompute name only for transparent
3484 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
3486 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3488 2005-11-04 Jeff Law <law@redhat.com>
3491 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3492 perform reassociation if the parent statement will not die as
3493 a result of the optimization.
3495 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
3497 * tree-ssa-alias.c (compute_may_aliases): Remove call to
3498 delete_old_heap_vars.
3499 * tree-dfa.c (referenced_var_remove): Remove function.
3500 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3501 (delete_tree_ssa): Remove call to delete_old_heapvars.
3502 Add call to delete_alias_heapvars.
3503 * tree-flow.h (referenced_var_remove): Remove prototype
3504 (init_alias_heapvars): New prototype.
3505 (delete_alias_heapvars): Ditto.
3506 * Makefile.in (tree-ssa-structalias.o): Add
3507 gt-tree-ssa-structalias.o
3508 (GTFILES): Add tree-ssa-structalias.h and
3509 tree-ssa-structalias.c.
3510 (s-gtype): Add gt-tree-ssa-structalias.h.
3511 * tree-ssa-structalias.c (heapvars): Remove.
3512 (oldheapvars): Remove.
3513 (heapvar_for_stmt): New variable.
3514 (heapvar_lookup): New function.
3515 (heapvar_insert): Ditto.
3516 (get_constraint_for): See if we have an old heapvar
3518 (init_alias_heapvars): New function.
3519 (delete_alias_heapvars): Ditto.
3520 Add include of gt-tree-ssa-structalias.h.
3522 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3525 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3527 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
3529 * tree.c (int_fits_type_p): Only look at the base type
3530 if it has the same precision as the original type.
3532 2005-11-10 Jakub Jelinek <jakub@redhat.com>
3535 * varasm.c (assemble_alias): Use %q+D in the error
3536 message instead of %J and %qD.
3538 2005-11-10 Richard Guenther <rguenther@suse.de>
3540 * gcse.c (free_ldst_entry): Only free hashtable if
3543 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3545 * function.c (assign_stack_local_1): Issue an error message if
3546 the frame size overflows in the signed target arithmetics.
3548 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3550 * tree.c (build_qualified_type): Chain the new type to the original
3551 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3552 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3553 (build_pointer_type_for_mode): Only return unqualified types.
3554 (build_reference_type_for_mode): Likewise.
3556 2005-11-09 Jakub Jelinek <jakub@redhat.com>
3558 * Makefile.in (gnucompare): Do comparison of all files using one of
3559 the chosen methods and only afterwards decide if just warning should
3560 be issued or comparison failure raised.
3562 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3564 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3565 (noce_try_abs): Negate if the comparison is reversed.
3566 Look only one instruction backwards for a REG_EQUAL note.
3568 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3571 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3572 gthr-tpf.h: Define __gthrw. For all identifiers that might
3573 be weak, introduce weakrefs or non-weak aliases with __gthrw,
3574 and prefix all uses with __ghtrw.
3576 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3579 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3580 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
3581 * c-common.c (handle_weakref_attribute): New.
3582 (c_common_attribute_table): Add weakref.
3583 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3585 * configure, config.in: Rebuilt.
3586 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3587 * doc/extend.texi: Document weakref attribute.
3588 * varasm.c (ultimate_transparent_alias_target): New
3589 (assemble_name): Use it.
3590 (weak_finish_1): Split out of...
3591 (weak_finish): ... and deal with weakrefs in...
3592 (weakref_targets): ... new list.
3593 (globalize_decl): Clean up weakref_targets.
3594 (do_assemble_alias): Handle weakrefs.
3595 (finish_aliases_1): Do not reject weakrefs to external symbols.
3596 (assemble_alias): Handle weakrefs.
3598 2005-11-09 Richard Guenther <rguenther@suse.de>
3600 PR tree-optimization/24716
3601 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3602 t_bool to track results from follow_ssa_edge.
3604 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3606 * final.c (force_source_line): New global variable.
3607 (final_scan_insn): Set it to true instead of clearing last_filename.
3608 (notice_source_line): Return true if force_source_line is true,
3609 unless source info is absent.
3611 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
3614 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3615 a linkage name for a variable if it a register variable.
3616 * c-decl.c (grokdeclarator): Global register variables
3617 should be set as PUBLIC.
3619 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3622 * config/s390/s390.c (struct s390_frame_layout): New fields
3623 first_save_gpr_slot and last_save_gpr_slot.
3624 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3625 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3626 first_save_gpr and last_save_gpr with the _slot variants.
3627 (s390_register_info): Calculate first_save_gpr_slot and
3628 last_save_gpr_slot using regs_ever_live.
3630 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3633 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3634 for a function containing a landing pad.
3636 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3639 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3642 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
3644 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3645 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3647 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
3650 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3652 (call,load,store): New insn types.
3653 (mem_access, branch_access): Adjust reservation conditions.
3654 (define_delay): Adjust condition.
3655 (decrement_and_branch_until_zero): Allow for ms2. Set branch
3657 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3658 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3660 (call_internal, call_value_internal, return_internal,
3661 return_interrupt_internal, eh_return_internal, indirect_jump,
3662 tablejump): Set call insn type.
3663 (blockage, ei, di): Use appropriate unspec const.
3664 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3665 (ms1_get_attr_type): Adjust to give load & store types.
3666 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
3667 backwards past a barrier.
3668 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
3670 (struct branch_info, struct label_info): New.
3672 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3673 (ms1_machine_reorg): New.
3674 (TARGET_MACHINE_DEPENDENT_REORG): Override.
3675 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3676 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3677 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3680 2005-11-09 Per Bothner <per@bothner.com>
3681 Uros Bizjak <uros@kss-loka.si>
3684 * toplev.c (process_options): Initialize debug_hooks early
3685 in case lang_hooks.post_options ends up calling a debug_hook.
3687 2005-11-08 Jakub Jelinek <jakub@redhat.com>
3689 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3690 DBX_REGISTER_NUMBER being contiguous.
3692 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
3693 Diego Novillo <dnovillo@redhat.com>
3696 * tree-vrp.c (register_edge_assert_for): Do not register
3697 always-false predicates.
3699 2005-11-08 Devang Patel <dpatel@apple.com>
3701 PR tree-optimization/23115
3702 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3705 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
3707 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3710 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
3712 Fix PR tree-optimization/23382
3714 * tree-ssa-alias.c (compute_may_aliases): Call
3715 delete_old_heap_vars.
3716 * tree-dfa.c (referenced_var_remove): New function.
3717 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3718 * tree-flow.h (referenced_var_remove): Add prototype.
3719 (delete_old_heap_vars): Ditto.
3720 * tree-ssa-structalias.c (heapvars): New variable.
3721 (oldheapvars): Ditto.
3722 (get_constraint_for): Put heap vars on heapvars list.
3723 (delete_old_heap_vars): New function.
3725 2005-11-08 Jason Merrill <jason@redhat.com>
3727 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3729 2005-11-08 Uros Bizjak <uros@kss-loka.si>
3732 * reg-stack.c (reg_to_stack): Update register liveness also
3733 for flag_sched2_use_traces.
3735 2005-11-08 Alan Modra <amodra@bigpond.net.au>
3738 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3739 override prior explicit -mno-powerpc-gfxopt.
3741 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
3743 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3744 if the bitsize is zero.
3745 * doc/md.texi (Standard Pattern Names): Document it.
3747 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3748 (TARGET_PASS_BY_REFERENCE): Likewise.
3750 2005-11-07 Ian Lance Taylor <ian@airs.com>
3752 PR rtl-optimization/24683
3753 * config/i386/i386.c (legitimize_pic_address): If constant operand
3754 to PLUS is too large, put it in a register.
3756 2005-11-07 Jie Zhang <jie.zhang@analog.com>
3758 * configure.ac: Enable checking assembler dwarf2 support for bfin
3760 * configure: Regenerate.
3762 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3766 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3767 gen_easy_vector_constant_add_self): Delete.
3768 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3770 (output_vec_const_move): Use gen_easy_altivec_constant.
3771 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3772 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3773 (easy_vector_constant_add_self): Rewritten.
3774 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3775 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3776 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3777 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3778 Macroize and adjust for the other changes.
3780 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3784 * c-typeck.c (build_c_cast): Try using a shared constant, and see
3785 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3787 2005-11-07 Jakub Jelinek <jakub@redhat.com>
3789 PR rtl-optimization/23567
3790 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3791 (noce_process_if_block): Don't do any optimizations except
3792 if (cond) x = x; if !set_b and write into orig_x may trap
3793 or fault. Remove the MEM_READONLY_P check.
3795 2005-11-06 Diego Novillo <dnovillo@redhat.com>
3798 * tree-vrp.c (fix_equivalence_set): New.
3799 (extract_range_from_assert): Call it.
3801 2005-11-05 Ian Lance Taylor <ian@airs.com>
3804 * combine.c (apply_distributive_law): Don't distribute across a
3807 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
3809 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3810 config/ms1/ms1.h, config/rs6000/predicates.md,
3811 config/s390/s390.c, params.def, postreload-gcse.c,
3812 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3813 tree-vrp.c, tree.c: Fix comment typos.
3814 * doc/invoke.texi: Fix typos.
3816 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
3818 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3819 for testing whether the data_dependence_relation contains distance
3820 vectors. Iterate over all distance vectors of the ddr.
3821 * lambda.h: Define a vec of lambda_vector pointers.
3822 * tree-data-ref.c (dump_data_dependence_relation,
3823 dump_data_dependence_direction): Iterate over all distance and
3824 direction vectors of the ddr.
3825 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3827 (build_classic_dist_vector, build_classic_dir_vector): Push a set
3828 of distance/direction vectors instead of a single one.
3829 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3830 lambda_vectors with a vec of lambda_vectors.
3831 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3832 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3833 DDR_NUM_DIST_VECTS): New.
3834 * tree-loop-linear.c (gather_interchange_stats): Test for the
3835 existence of distance vectors only after having checked that there
3836 is a dependence. Iterate over all distance vectors of the ddr.
3837 (linear_transform_loops): Use dump_data_dependence_relation.
3838 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3839 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
3840 distance vectors of the ddr.
3842 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
3844 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3845 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3846 IS_INTHANDLER; all callers changed.
3847 (n_regs_saved_by_prologue): Take interrupt handler attributes into
3849 (do_link, do_unlink): New argument ALL; all callers changed.
3850 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3851 If function isn't leaf, save and restore all registers.
3852 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3855 2005-11-05 Jan Hubicka <jh@suse.cz>
3857 PR rtl-optimization/23490
3858 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3859 max-flow-memory-location): Document.
3860 * flow.c: Include params.h
3861 (MAX_MEM_SET_LIST_LEN): Kill.
3862 (add_to_mem_set_list): Use new param.
3863 * cse.c (cse_basic_block): Replace 1000 by new param.
3864 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3865 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3866 * predict.c (predict_loops): Use new param.
3867 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3869 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3870 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3871 Do not hold memory returned by cgraph_node_name across other call.
3873 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
3876 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3879 2005-11-04 Jeff Law <law@redhat.com>
3882 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3883 * tree-ssa-dom.c: Include params.h.
3884 (thread_across_edge): If there are too many statements in the
3885 target block, then do not thread through it.
3886 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3887 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3889 2005-11-03 Diego Novillo <dnovillo@redhat.com>
3892 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3893 TODO_update_ssa instead of TODO_update_ssa_no_phi.
3895 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
3898 * tree-scalar-evolution.c (instantiate_parameters_1,
3899 instantiate_parameters, resolve_mixers): Compute the size of an
3900 expression to be instantiated and give up the instantiation if the
3901 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3903 2005-11-04 Richard Guenther <rguenther@suse.de>
3905 * tree-flow.h (ref_contains_indirect_ref): Rename to
3906 array_ref_contains_indirect_ref.
3907 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3908 (array_ref_contains_indirect_ref): Make comment match the code
3910 (ref_contains_array_ref): Likewise.
3911 * tree-ssa-structalias.c (find_func_aliases): Remove call to
3912 ref_contains_indirect_ref.
3913 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3914 Rename calls to ref_contains_indirect_ref.
3916 2005-11-04 Paul Brook <paul@codesourcery.com>
3918 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3919 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3920 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3921 * config/arm/arm.md: Use match_operand in peephole input templates
3922 and match_dup in peephole output templates.
3924 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3926 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3929 2005-11-04 Mark Mitchell <mark@codesourcery.com>
3930 Daniel Jacobowitz <dan@codesourcery.com>
3932 * longlong.h (add_ssaaaa): Clobber condition code register
3934 (sub_ddmmss): Likewise.
3935 (umul_ppmm): Likewise.
3937 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3938 Paul Brook <paul@codesourcery.com>
3939 Phil Blundell <pb@reciva.com>
3941 * configure.ac: Add test for ARM TLS support.
3942 * configure: Regenerated.
3943 * config/arm/arm-protos.h (legitimize_tls_address)
3944 (arm_tls_referenced_p, tls_mentioned_p)
3945 (arm_output_addr_const_extra): New prototypes.
3946 (thumb_legitimize_pic_address): Delete.
3947 * config/arm/arm.c: Include "gt-arm.h".
3948 (enum tls_reloc): New.
3949 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3950 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3951 (arm_call_tls_get_addr, legitimize_tls_address)
3952 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3953 (arm_init_tls_builtins, arm_emit_tls_decoration)
3954 (arm_output_addr_const_extra): New functions.
3955 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3956 (TARGET_HAVE_TLS): Define.
3957 (target_thread_pointer): New.
3958 (arm_override_options): Handle -mtp=.
3959 (legitimize_pic_address): Ignore UNSPECs.
3960 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3962 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3963 (tls_get_addr_libfunc): New variable.
3964 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3965 (arm_init_builtins): Call arm_init_tls_builtins.
3966 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3967 (arm_encode_section_info): Call default_encode_section_info.
3968 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3969 (enum arm_tp_type): New.
3970 (target_thread_pointer): Add declaration.
3971 (LEGITIMATE_CONSTANT_P): Handle TLS.
3972 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3973 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3974 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3975 * config/arm/arm.md: Add UNSPEC_TLS.
3976 (movsi): Handle TLS.
3977 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3979 (tls_load_dot_plus_eight): New insn and a peephole to create it.
3980 (load_tp_hard, load_tp_soft): New insns.
3981 * arm.opt: Add -mtp=.
3982 * doc/invoke.texi (ARM Options): Document -mtp.
3984 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3986 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3987 * config/arm/libunwind.S: Include "lib1funcs.asm".
3988 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3989 (LIB2ADDEH): Add libunwind.S.
3990 (LIB2ADDEHDEP): Add lib1funcs.asm.
3991 * mklibgcc.in: Handle asm files in libgcc_eh.a.
3993 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3996 * gcc/c.opt: Add a -lang-fortran option.
3997 * gcc/c-opts.c: Add a lang_fortran flag.
3998 (c_common_init_options): Handling the -lang-fortran option.
3999 (c_common_handle_option): Add a case for Fortran options in
4000 preprocessing. Remove cases for -ffixed-form and
4001 -ffixed-line-length. Add a case for -lang-fortran.
4003 2005-11-03 David Edelsohn <edelsohn@gnu.org>
4005 * config/rs6000/rs6000.c: Include params.h
4006 (optimization_options): Set max-grow-copy-bb-insns default to 16.
4007 (bdesc_2arg): Delete vpkuhss and vpkuwss.
4008 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4009 (UNSPEC_VPKUWSS): Delete.
4010 (altivec_vpkuhss): Delete.
4011 (altivec_vpkuwss): Delete.
4012 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4014 (neg_eq0<mode>): Remove final condition.
4015 (neg_eq<mode>): Remove condition and split-condition.
4017 2005-11-04 Alan Modra <amodra@bigpond.net.au>
4019 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4020 Use associated print macros.
4022 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4025 * diagnostic.c (diagnostic_set_info_translated): New function.
4026 (diagnostic_set_info): Use it. Add comment.
4027 * diagnostic.h (diagnostic_set_info_translated): Declare.
4029 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
4031 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4032 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4033 reference only if 'public' is true.
4034 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4035 emit the .hidden directive only if the indirect reference is public.
4036 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4037 Pass it to dw2_force_const_mem.
4038 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4039 * dwarf2out.c (output_cfi): Adjust calls to above function.
4040 (output_call_frame_info): Likewise.
4041 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4042 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4044 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
4046 PR tree-optimization/24483
4047 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4048 field to elts if possible.
4050 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4053 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4056 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
4058 Fix PR tree-optimization/24351
4060 * tree-ssa-structalias.c (struct variable_info): Add
4062 (get_varinfo_fc): New function to follow collapsing.
4063 (new_var_info): Set collapsed_to to NULL.
4064 (dump_constraint): Follow collapsing.
4065 (build_constraint_graph): Handle collapsing.
4066 (do_simple_structure_copy): Return false if something bad
4068 (collapse_rest_of_var): New function.
4069 (do_structure_copy): Collapse if do_simple_structure_copy returns
4072 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
4075 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4076 expressions to a statement list instead of gimplifying them.
4078 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4080 PR rtl-optimization/23585
4081 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4082 that can't trap plus a constant integer, if the mode has zero size.
4084 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
4087 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4089 ("*insv<mode>_reg_extimm"): Likewise.
4091 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
4094 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4095 c_common_type_for_mode returns an unnamed type.
4097 2005-11-02 Richard Henderson <rth@redhat.com>
4101 * dwarf2out.c (dwarf2out_reg_save_reg): New.
4102 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4103 * function.c (assign_parms): Use calls.internal_arg_pointer.
4104 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4106 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4107 (TARGET_CALLS): Add it.
4108 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4109 * targhooks.c (default_internal_arg_pointer): New.
4110 * targhooks.h (default_internal_arg_pointer): Declare.
4111 * tree.h (dwarf2out_reg_save_reg): Declare.
4112 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4113 * config/i386/i386.c (dbx_register_map): Add return column.
4114 (dbx64_register_map, svr4_dbx_register_map): Likewise.
4115 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4116 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4117 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4118 (ix86_save_reg): Save force_align_arg_pointer.
4119 (ix86_emit_save_regs): Make regno unsigned.
4120 (ix86_emit_save_regs_using_mov): Likewise.
4121 (ix86_expand_prologue): Handle force_align_arg_pointer.
4122 (ix86_expand_epilogue): Likewise.
4123 * config/i386/i386.h: (dbx_register_map): Update.
4124 (dbx64_register_map, svr4_dbx_register_map): Update.
4125 (struct machine_function): Add force_align_arg_pointer.
4126 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4127 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4128 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4130 2005-11-02 Jan Hubicka <jh@suse.cz>
4133 * i386.md: Add peep2 for simplyfing array accesses.
4135 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4138 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4139 * config/s390/s390.c (s390_decompose_shift_count): New function.
4140 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4141 (print_shift_count_operand): Use s390_decompose_shift_count.
4142 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4143 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
4145 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
4148 * loop.c (loop_givs_rescan): Use force_operand to expand
4151 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
4154 * fold-const.c (build_range_check): Use unsigned when signed
4155 overflow is undefined also. If etype is subtype, make sure that
4156 the subtraction is in the supertype.
4158 2005-11-02 Richard Henderson <rth@redhat.com>
4161 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4164 2005-11-01 Richard Henderson <rth@redhat.com>
4167 * loop.c (scan_loop): Do not propagate computations to a hard
4168 register destination with SMALL_REGISTER_CLASSES.
4170 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
4172 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4173 costs for MULT inside PLUS or MINUS.
4175 2005-11-01 Bob Wilson <bob.wilson@acm.org>
4177 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4178 (TRAMPOLINE_SIZE): Round up to 60.
4179 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4181 2005-10-31 James E. Wilson <wilson@specifix.com>
4184 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4185 ifdef. Put ifdefs around call in gen_subprogram_die.
4186 (compute_frame_pointer_to_cfa_displacement): Likewise.
4187 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4190 PR rtl-optimization/17356
4191 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
4192 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4194 2005-10-31 Jan Hubicka <jh@suse.cz>
4197 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4200 * i386.c (legitimize_pic_address): Deal with large immediates.
4203 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4204 from symbol names while computing checkup.
4207 * predict.c (predict_loops): Do not estimate more than
4208 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4209 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4211 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
4213 PR tree-optimization/19097
4214 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4216 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
4218 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4220 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
4223 * tree-inline.c (setup_one_parameter): If the init_stmt
4224 is NULL, don't insert the statement.
4226 2005-10-30 Jan Hubicka <jh@suse.cz>
4228 PR tree-optimization/24172
4229 * tree-inline.c (copy_body_r): Unshare the substituted value first.
4231 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
4233 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4234 constants for hosts with long != 32 bits.
4236 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
4239 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4241 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
4243 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4244 (TARGET_MS1_16_002): New.
4245 (TARGET_MS1_16_003): New.
4247 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4248 ("*decrement_and_branch_until_zero_no_clobber"): New.
4249 Add corresponding splitter for decrement_and_branch_until_zero
4251 Key all decrement_and_branch_until_zero patterns off of
4254 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
4257 * tree-complex.c (extract_component): Treat RESULT_DECL
4258 like the rest of the decls.
4260 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
4262 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4263 indirect call to _mcount if the function needs a static chain.
4265 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
4266 Caroline Tice <ctice@apple.com>
4268 PR rtl-optimization/24460
4269 * dwarf2out.c (have_switched_text_sections): New boolean variable.
4270 (dwarf2out_switch_text_section): Set it to true instead of
4271 incrementing separate_line_info_table_in_use.
4272 (output_loc_list): Additionally test have_switched_text_sections.
4273 (output_ranges): Likewise.
4274 (dwarf2out_finish): Likewise.
4275 * varasm.c (assemble_start_function): Do not call
4276 insert_section_boundary_note.
4277 (assemble_end_function): If flag_reorder_blocks_and_partition,
4278 switch to the function's section before emitting the .size directive.
4279 * bb-reorder.c (insert_section_boundary_note): Staticify.
4280 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4281 * output.h (insert_section_boundary_note): Delete.
4283 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4286 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4287 instead of pointer equality when comparing types.
4289 2005-10-24 James E. Wilson <wilson@specifix.com>
4291 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4292 add_dependence_list_and_free calls.
4294 2005-10-24 Steven Bosscher <stevenb@suse.de>
4296 * contrib.texi: Add the names of the LLNL folks who donated
4297 Cray pointer support for gfortran.
4299 2005-10-24 Steven Bosscher <stevenb@suse.de>
4301 PR tree-optimization/24225
4302 * profile.c (branch_prob): Look from end to start through a
4303 basic block when looking for a locus.
4305 2005-10-24 Richard Henderson <rth@redhat.com>
4307 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4309 (hppa_expand_prologue): Likewise.
4311 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4313 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4314 (NO_DEFERRED_PROFILE_COUNTERS): Define.
4315 * pa.h (NO_PROFILE_COUNTERS): Define.
4316 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4317 (funcdef_nos): New vector to hold label numbers of deferred profile
4319 (output_deferred_profile_counters): New function.
4320 (hppa_profile_hook): Push label number onto funcdef_nos.
4321 (pa_hpux_file_end): Call output_deferred_profile_counters if
4322 NO_DEFERRED_PROFILE_COUNTERS is false.
4324 * pa-protos.h (get_deferred_plabel): New prototype.
4325 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
4327 (output_call): Adjust calls.
4329 2005-10-24 Alan Modra <amodra@bigpond.net.au>
4331 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4332 peculiarity of GOT/TOC section usage.
4334 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
4337 * c-common.c (constant_string_class_name): Add documentation.
4339 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
4342 * recog.c (peephole2_optimize): Increment peep2_current_count
4343 only when the slot is empty.
4345 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4348 * except.c (output_function_exception_table): Call
4349 assemble_external_libcall if we need a personality function.
4351 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4353 PR rtl-optimization/24460
4354 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4355 set the basic block for barriers.
4357 2005-10-21 Janis Johnson <janis187@us.ibm.com>
4359 * var-tracking.c (vt_initialize): Initialize post.
4361 2005-10-21 Devang Patel <dpatel@apple.com>
4364 * c-common.c (vector_types_convertible_p): Check vector element type.
4366 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
4368 * config/sh/sh.c (prepare_move_operands): Handle the address
4369 constant which is a tls symbolic address plus a constant.
4371 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
4374 * gcc.c (main): Use the correct counter for erroring out
4375 about mulitple files.
4377 2005-10-21 Alan Modra <amodra@bigpond.net.au>
4380 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4381 use r2 for 64-bit tls .got access.
4383 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
4385 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4388 2005-10-20 Steven Bosscher <stevenb@suse.de>
4390 PR tree-optimization/24307
4391 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4393 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
4396 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4398 * varasm.c (find_decl_and_mark_needed): After cgraph global info
4399 is ready, stop marking functions, but still mark variables.
4401 2005-10-20 Richard Guenther <rguenther@suse.de>
4404 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4407 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4409 PR rtl-optimization/23585
4410 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4411 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
4412 (may_trap_p_1): New predicate extracted from...
4413 (may_trap_p): ... here. Invoke may_trap_p_1.
4414 (may_trap_or_fault_p): New predicate.
4415 * rtl.h (may_trap_or_fault_p): Declare it.
4416 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4417 instead of may_trap_p.
4418 (steal_delay_list_from_fallthrough): Likewise.
4419 (fill_simple_delay_slots): Likewise.
4420 (fill_slots_from_thread): Likewise.
4421 * function.c (pad_to_arg_alignment): Rework comment about
4422 SPARC_STACK_BOUNDARY_HACK.
4423 * config/sparc/sparc.h: Likewise.
4425 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
4427 * config/s390/s390.c (s390_expand_insv): New.
4428 * config/s390/s390-protos.h (s390_expand_insv): Declare.
4429 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4430 ("icm_hi"): Remove mode attribute.
4431 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4433 ("*extracthi", "*extractqi"): Remove.
4434 (extv<mode>", "*extzv<mode>"): New.
4435 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4436 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4438 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4440 * cfgexpand.c (discover_nonconstant_array_refs_r,
4441 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4442 (tree_expand_cfg): Call discover_nonconstant_array_refs.
4443 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4444 discover_nonconstant_array_refs.
4446 2005-10-19 Steven Bosscher <stevenb@suse.de>
4449 * c-decl.c (pop_scope): Don't warn about an unused variable
4450 if it is marked with TREE_NO_WARNING.
4451 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4452 somenow mismatch and olddecl is to be replaced.
4454 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
4457 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4458 whether registers live on the edge can be saved/restored.
4460 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
4462 * config/sh/sh.c (fixup_mova): Skip notes.
4464 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4466 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4467 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4468 (s390_can_eliminate): Handle BASE_REGNUM elimination.
4469 (s390_initial_elimination_offset): Likewise.
4470 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4471 register on TARGET_ZARCH targets.
4472 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4473 (INITIAL_FRAME_POINTER_OFFSET): Remove.
4474 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4475 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4477 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4479 * config/s390/s390.md: Comment describing output modifiers updated.
4480 * config/s390/s390.c (print_operand): Likewise.
4482 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4484 * config/s390/s390.c (override_options): Added check for -mstack-size
4486 * doc/invoke.texi: Mention that limit in the documenation.
4488 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
4491 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4493 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
4495 Fix PR tree-optimization/24231
4497 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4498 (compute_avail): Ditto.
4500 2005-10-18 Richard Henderson <rth@redhat.com>
4503 * config/i386/i386.c (legitimate_constant_p): Check
4504 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
4506 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4507 (legitimate_pic_address_disp_p): Reorg CONST checking to make
4508 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
4510 (print_operand_address): Likewise.
4511 * config/i386/predicates.md (x86_64_immediate_operand): Test
4512 SYMBOL_REF_TLS_MODEL properly inside CONST.
4513 (x86_64_zext_immediate_operand): Likewise.
4514 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4515 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4516 * config/i386/i386-protos.h: Remove predicates.md entries.
4518 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
4520 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4521 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4523 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
4524 Ian Lance Taylor <ian@airs.com>
4527 * fold-const.c (fold_widened_comparison): Do not allow range based
4528 constant folding when right operand cannot be unwidened.
4530 2005-10-17 Richard Henderson <rth@redhat.com>
4532 * builtins.c (expand_builtin_synchronize): Build a new-style asm
4533 with a memory clobber.
4535 2005-10-17 James E Wilson <wilson@specifix.com>
4537 PR rtl-optimization/17356
4538 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4539 checking for EDGE_EH.
4541 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
4543 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4544 the slot on an even boundary for any type with 16-byte alignment.
4546 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
4549 * md.texi (Modifiers) <%>: Clarify that % doesn't work
4550 after register allocation.
4552 2005-10-17 DJ Delorie <dj@redhat.com>
4554 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4557 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
4560 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4563 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
4565 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4566 to 2 if it's already non-zero.
4567 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4568 is set and warn about it if flag_schedule_insns is 1.
4570 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
4572 * config/crx/crx.md: Compare-and-branch instructions need to
4575 2005-10-17 Uros Bizjak <uros@kss-loka.si>
4578 * config/i386/i386.md (*pushdi2_rex64 splitter)
4579 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4580 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4581 flow2 pass only when (optimize > 0 && flag_peephole2).
4583 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
4586 * gcc.c (have_c): New static variable.
4588 (process_command): Remove declation of have_c.
4589 Set have_o to 1 when handling -o.
4590 (main): Add a fatel error if there are multiple
4591 files specified and -o and -c/-S is passed witout
4592 -combine or multiple languages.
4594 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
4596 Fix PR tree-optimization/22444
4597 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4598 Assert that we don't hit something with subvars.
4599 (setup_pointers_and_addressables): Don't add things with subvars,
4600 because we'll already process the subvars for aliasing purposes.
4602 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
4605 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4606 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4607 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4608 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4609 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4610 swapped, alternatives for the R constraint.
4613 * builtins.c (get_builtin_sync_mode): Make unlimited
4614 mode_for_size request.
4616 2005-10-15 Richard Henderson <rth@redhat.com>
4618 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4619 (gimplify_expr): ... here.
4620 (gimplify_compound_lval): Use it in initial scan loop. Allow
4621 fb_lvalue in base expression.
4623 2005-10-15 Richard Henderson <rth@redhat.com>
4626 * builtins.c (expand_builtin_trap): Export.
4627 * expr.h (expand_builtin_trap): Declare.
4628 * expr.c (expand_assignment): Emit a trap for integral offsets
4629 from registers that weren't reduced to bitpos.
4631 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4632 (mark_array_ref_addressable): Remove.
4633 * tree-flow.h (mark_array_ref_addressable): Remove.
4634 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4636 2005-10-15 James E Wilson <wilson@specifix.com>
4639 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
4640 (add_dependence_list_and_free): Likewise.
4641 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4644 2005-10-15 Diego Novillo <dnovillo@redhat.com>
4648 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4649 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4651 (vrp_visit_phi_node): Only prevent infinite iterations when
4652 the previous result and the new result are both VR_RANGEs.
4654 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
4656 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4659 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4662 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4665 2005-10-14 Per Bothner <per@bothner.com>
4667 PR preprocessor/21250
4668 * c-ppoutput.c (print_line): Print internal line 0 as 1.
4670 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
4673 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4674 overflow flags. Refactor some conditionals.
4676 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
4679 * tree-dfa.c (add_referenced_var): Only look at decls which
4680 have TREE_CONSTANT or TREE_READONLY set instead of if
4681 !TREE_PUBLIC or !TREE_CONSTANT.
4683 2005-10-13 James E Wilson <wilson@specifix.com>
4685 * doc/invoke.texi: For -x, add f95-cpp-input.
4686 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4688 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
4690 PR tree-optimization/24262
4691 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4692 in loop all the time.
4694 2005-10-12 Richard Henderson <rth@redhat.com>
4697 * tree.h (DECL_TRANSPARENT_UNION): Remove.
4698 * function.c (assign_parm_find_data_types): Don't support it.
4699 * print-tree.c (print_node): Likewise.
4700 * c-common.c (handle_transparent_union_attribute): Likewise.
4701 Use build_duplicate_type.
4702 * tree-inline.c (remap_type_1): Split out of remap_type;
4703 properly remap aggregate fields.
4704 (build_duplicate_type): New.
4705 * doc/extend.texi (Variable Attributes): Remove documentation
4706 for transparent_union.
4708 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4711 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4712 (gen_stack_pointer_dec): Likewise.
4714 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
4718 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4720 (struct cxx): Add adjust_class_at_definition target hook.
4721 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4722 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4723 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4724 hook_void_tree. Add to TARGET_CXX.
4725 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4727 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4728 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4729 instead of attribute. Check for dllexport override. Warn if
4730 inconsistent dll linkage. Don't lose old dllimport if decl has
4731 had address referenced. Tweak lookup of dllimport atribute.
4732 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4733 for target specific rules. Don't add dllimport attribute if
4734 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
4735 dllimport attribute.
4736 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4737 * varasm.c (initializer_constant_valid_p): Replace
4738 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4742 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4743 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4744 (i[34567]86-*-mingw32*): Likewise.
4746 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4747 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4749 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4750 C++-specific code. Change return value to bool.
4751 (i386_pe_dllimport_p): Likewise.
4752 (associated_type): Simplify and make language-independent
4753 (i386_pe_encode_section_info): Replace override of ambiguous
4754 dllimport symbol refs with a gcc_assert.
4755 (i386_pe_valid_dllimport_attribute_p): Define.
4756 * config/i386/winnt-cxx.c: New file. Define C++ versions of
4757 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4758 i386_pe_adjust_class_at_definition.
4759 * config/i386/winnt-stubs.c: New file. Define stub versions of
4760 lang-specific functions.
4761 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4762 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4763 i386_pe_adjust_class_at_definition.
4764 (i386_pe_valid_dllimport_attribute_p): Declare.
4765 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4766 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4767 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4770 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4771 dllimport attribute with test of DECL_DLLIMPORT_P.
4773 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
4775 * combine.c (make_extraction): Correct offset computation.
4777 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
4779 * config/cris/t-linux (LIMITS_H_TEST): Define.
4781 2005-10-12 Richard Henderson <rth@redhat.com>
4784 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4786 2005-10-12 Richard Guenther <rguenther@suse.de>
4788 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4790 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
4793 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4794 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4797 2005-10-12 Richard Guenther <rguenther@suse.de>
4800 * varasm.c (output_constant): Correct typo from previous
4803 2005-10-11 Ian Lance Taylor <ian@airs.com>
4805 PR rtl-optimization/13931
4806 * combine.c: Revert patch of 2003-05-14, and:
4807 (try_combine): Only set elim_i1 and elim_i2 if the destination is
4808 completely killed in the appropriate insn.
4809 (distribute_notes): Don't skip multiple hard register test for
4810 elim_i1 and elim_i2.
4812 2005-10-11 Richard Henderson <rth@redhat.com>
4815 * c-typeck.c (convert_for_assignment): Use build_constructor_single
4816 to initialize a transparent union instead of a nop_expr.
4818 2005-10-11 Richard Henderson <rth@redhat.com>
4820 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4821 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4822 (tree_ssa_dce_loop): Call scev_reset.
4825 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4826 * tree-ssa-dce.c: Include cfgloop.h.
4827 (tree_ssa_dce_loop, pass_dce_loop): New.
4828 * tree-pass.h (pass_dce_loop): Declare it.
4829 * passes.c (init_optimization_passes): Use it.
4831 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4834 * convert.c (convert_to_real): Revert 2005-10-05 patch.
4835 Only apply the optimization for rounding builtins if the inner
4836 cast is also an extension.
4838 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
4841 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4842 mark_new_vars_to_rename instead of update_stmt.
4844 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
4846 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4848 2005-10-11 Jakub Jelinek <jakub@redhat.com>
4850 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4851 for setting MMX register to 0 rather than mmx.
4853 2005-10-10 Steve Ellcey <sje@cup.hp.com>
4856 * configure.ac: Move gas check from mips specific case to common case.
4857 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4858 * configure: Regenerate
4859 * doc/install.texi: Update.
4861 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4864 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4866 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
4868 * gcc.c (do_spec_1): Accept numeric characters in file name
4871 2005-10-10 Nick Clifton <nickc@redhat.com>
4873 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
4874 describing the deleted arm_gen_rotated_half_load function.
4876 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
4878 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4881 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
4883 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4885 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4886 (EXTRA_MULTILIB_PARTS): Define.
4887 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4888 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4889 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4890 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4891 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4892 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4894 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
4896 PR tree-optimization/24226
4897 * tree-cfg.c (remove_bb): Clean up unreachable loops.
4898 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4899 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4902 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4904 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4906 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
4909 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4910 Rewrite for no need for the early clobber.
4912 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4914 Merge from csl-arm-branch:
4915 2005-09-07 Paul Brook <paul@codesourcery.com>
4916 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4919 2005-04-30 Paul Brook <paul@codesourcery.com>
4920 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4921 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4923 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
4924 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4925 (arm_override_options): Use TARGET_AAPCS_BASED.
4926 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4927 (PTRDIFF_TYPE): Use int for AAPCS.
4928 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4929 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4930 (DEFAULT_SHORT_ENUMS): Delete.
4931 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4933 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
4934 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4935 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4936 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4938 2004-12-03 Mark Mitchell <mark@codesourcery.com>
4939 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4941 2004-11-22 Mark Mitchell <mark@codesourcery.com>
4942 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4944 2004-11-19 Mark Mitchell <mark@codesourcery.com>
4945 * config.gcc (arm*-*-linux-gnueabi): Add it.
4946 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4948 (TARGET_OS_CPP_BUILTINS): Likeiwse.
4949 * config/arm/linux-eabi.h: New file.
4950 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4951 (LINUX_TARET_LINK_SPEC): Likewise.
4952 (LINK_SPEC): Use it.
4953 * config/arm/t-linux-eabi: New file.
4955 2005-10-08 Steven Bosscher <stevenb@suse.de>
4958 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4960 (PARAM_SMS_DFA_HISTORY): Likewise.
4962 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4965 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4966 (load_register_parameters): Call it.
4967 (check_sibcall_argument_overlap_1): Likewise.
4968 (store_one_arg): Likewise.
4970 2005-10-07 James E. Wilson <wilson@specifix.com>
4972 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4973 DImode not VECINT24 for operand 2.
4976 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4980 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4981 fr_spill): Use destination_operand for operand 0.
4983 2005-10-07 DJ Delorie <dj@redhat.com>
4985 * varasm.c (output_constant): Limit error to expanding
4988 2005-10-07 Richard Guenther <rguenther@suse.de>
4991 * fold-const.c (fold_binary): Fix operand types during folding
4992 of X op (A, Y). Evaluation order of the side-effects of
4993 X and A are frontend-defined, so ensure we honour that even for
4994 tcc_comparison class operands; eased by removing duplicate code.
4996 2005-10-07 Steve Ellcey <sje@cup.hp.com>
4998 * stor-layout.c (layout_type): Do not allow alignment of array
4999 elements to be greater than their size.
5001 2005-10-07 Steve Ellcey <sje@cup.hp.com>
5003 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5005 (hppa*-*-linux*): Ditto.
5006 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5007 * config/host-hpux.c: New.
5008 * config/x-hpux: New.
5009 * config/pa/x-hpux: Remove.
5010 * config/pa/x-linux: Remove.
5011 * config/pa/pa-host.c: Remove.
5013 2005-10-07 Jeff Law <law@redhat.com>
5015 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5016 determine whether or not to try and thread outgoing edges.
5018 2005-10-07 David Edelsohn <edelsohn@gnu.org>
5020 * config/rs6000/rs6000.md (eqsi_power): New.
5021 (neg_eq0si): Add TARGET_POWER to final condition.
5024 2005-10-06 Richard Henderson <rth@redhat.com>
5026 * config/rs6000/rs6000.c: Revert last change.
5028 2005-10-06 Richard Henderson <rth@redhat.com>
5030 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5031 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5033 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
5037 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5038 out return_label and naked_return_label.
5040 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5042 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5045 2005-10-06 Richard Henderson <rth@redhat.com>
5048 * tree-inline.c (declare_return_variable): Handle modify_dest not
5051 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
5053 Fix PR tree-optimization/22488
5054 * tree-ssa-structalias.c (check_for_overlaps): New function.
5055 (create_variable_info_for): Use it.
5057 2005-10-06 Richard Henderson <rth@redhat.com>
5060 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5061 (dwarf2out_start_source_file): Print it.
5063 2005-10-06 Geoffrey Keating <geoffk@apple.com>
5065 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5067 2005-10-06 Richard Henderson <rth@redhat.com>
5070 * mode-switching.c (optimize_mode_switching): Clear transp bit
5071 for block with incomming abnormal edges.
5073 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5074 (fpscr_set_from_mem): Use them.
5075 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5076 (fpscr postinc splitters): Rewrite as peephole2+split.
5078 2005-10-06 David Edelsohn <edelsohn@gnu.org>
5080 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5081 (eq<mode>_compare): Same.
5083 2005-10-06 Richard Guenther <rguenther@suse.de>
5085 PR tree-optimization/24238
5086 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5088 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
5090 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5091 here. Use AC_PATH_PROG for environment variables instead of
5093 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
5095 * configure: Regenerated.
5097 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
5100 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5101 then force it into a register.
5102 (call_value): Likewise.
5104 2005-10-06 Richard Henderson <rth@redhat.com>
5107 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5108 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
5109 under pass_vectorize.
5111 2005-10-05 Devang Patel <dpatel@apple.com>
5114 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5115 handling constants. Check NAMESPACE_DECL context for constants.
5117 2005-10-05 Eric Christopher <echristo@apple.com>
5119 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5121 2005-10-05 Richard Henderson <rth@redhat.com>
5124 * tree-cfg.c (mark_array_ref_addressable_1): New.
5125 (mark_array_ref_addressable): New.
5126 * tree-flow.h (mark_array_ref_addressable): Declare.
5127 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5129 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
5133 * reload.c (subst_reloads): When adding a REG_LABEL to a
5134 jump instruction, also update JUMP_LABEL.
5136 2005-10-05 David Edelsohn <edelsohn@gnu.org>
5138 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5139 * bb-reorder.c (copy_bb_p): Use it.
5140 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5142 2005-10-05 Richard Henderson <rth@redhat.com>
5145 * toplev.c (process_options): Warn about unsupported combinations
5146 of unwind tables and omit-frame-pointer.
5147 * config/i386/i386.c (override_options): Similarly. Enable
5148 accumulate-outgoing-args if not explicitly disabled.
5150 2005-10-05 Steve Ellcey <sje@cup.hp.com>
5152 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5153 Handle big endian vs. small endian.
5154 (vec_initv2sf): Handle big endian vs. small endian.
5155 (*vec_extractv2sf_1): Ditto.
5157 2005-10-05 Dale Johannesen <dalej@apple.com>
5159 * convert.c (convert_to_real): Don't convert
5160 (float)floor(double d) to floorf((float)d).
5162 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
5164 * config/arm/arm.md (insv): Use gen_int_mode in more places.
5166 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
5168 PR tree-optimization/18587
5169 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5170 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5171 build_vuses): Change to VEC type.
5172 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5173 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5174 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5175 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5176 (get_name_decl): New. Return DECL_UID of base variable.
5177 (operand_build_cmp): New. qsort comparison routine.
5178 (operand_build_sort_virtual): New. Sort virtual build vector.
5179 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5180 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5181 (FINALIZE_BASE): Use get_name_decl.
5182 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5183 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5184 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5185 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5186 direct VEC_* manipulations.
5187 (build_ssa_operands): Call operand_build_sort_virtual.
5188 (copy_virtual_operand, create_ssa_artficial_load_stmt,
5189 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5190 with direct VEC_* manipulations.
5191 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5192 with direct VEC manipulations.
5194 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
5196 PR tree-optimization/21419
5197 PR tree-optimization/24146
5198 PR tree-optimization/24151
5200 * c-typeck.c (readonly_error): Handle USE being lv_asm.
5201 (build_asm_expr): Call it if outputs are read-only.
5202 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5204 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
5205 Paolo Bonzini <bonzini@gnu.org>
5209 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5210 enable the instructions and not just the built-ins.
5211 * doc/invoke.texi (x86 Options): Likewise.
5213 2005-10-04 Geoffrey Keating <geoffk@apple.com>
5215 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5217 * doc/invoke.texi (Option Summary): Correct spelling
5218 of -mmacosx-version-min.
5220 2005-10-04 Devang Patel <dpatel@apple.com>
5222 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5225 2005-10-04 Steve Ellcey <sje@cup.hp.com>
5227 * tree-vect-transform.c (vect_create_epilog_for_reduction):
5228 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5230 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
5232 * config/s390/s390.md ("TDSI","DP"): New mode macros.
5233 ("TE","tg"): New mode attributes.
5234 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5235 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5236 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5237 dword_mode and one for GPRmode.
5239 2005-10-04 Ian Lance Taylor <ian@airs.com>
5241 PR preprocessor/13726
5242 * c-ppoutput.c (cb_include): Add comments parameter, and print out
5243 any comments passed in.
5245 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5247 * tree.c (annotate_with_file_line): Fix typo.
5249 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5252 * builtins.c (fold_builtin_memcmp): When constructing the pointer
5253 type used to access data in the inlined length == 1 case, use
5254 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5255 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5257 2005-10-04 Uros Bizjak <uros@kss-loka.si>
5259 * config/i386/i386.h (TARGET_FISTTP): Enable also for
5260 TARGET_SSE3 and only for TARGET_80387.
5261 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5262 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5263 Do not depend on TARGET_80387.
5265 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5267 * tree.c (last_annotated_node): Change type to location_t*.
5268 (annotate_with_file_line): Reflect the change of
5269 last_annotated_node type.
5271 2005-10-04 Richard Guenther <rguenther@suse.de>
5274 * c-decl.c (grokdeclarator): Don't write to fields
5277 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
5280 * c-decl.c (finish_decl): Use set_user_assembler_name even for
5282 * varasm.c (make_decl_rtl): If a register variable does not
5283 have a set user assmbler name, error out.
5284 Decode the asmspec is now name+1 bypassing '*'.
5286 2005-10-04 Steven Bosscher <stevenb@suse.de>
5288 PR tree-optimization/23049
5289 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5290 of a COND_EXPR is folded before calling fold on the whole rhs of a
5291 conditional assignment.
5292 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5293 document that a COND_EXPR may appear there.
5295 2005-10-03 Diego Novillo <dnovillo@redhat.com>
5298 * tree-vrp.c (extract_range_from_assert): If the new numeric
5299 range created out of the assertion contradicts the existing
5300 numeric range of the ASSERT_EXPR variable, make the new range
5303 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
5305 * config/sh/sh.c (sh_register_move_cost): Add case for moving
5306 from T_REGS to FP register class.
5308 2005-10-03 Richard Henderson <rth@redhat.com>
5311 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5312 before creating a new one.
5314 2005-10-03 David Edelsohn <edelsohn@gnu.org>
5316 * config/rs6000/t-aix43 (LDFLAGS): New.
5317 * config/rs6000/t-aix52 (LDFLAGS): New.
5319 2005-10-03 Ian Lance Taylor <ian@airs.com>
5321 * gimplify.c (find_single_pointer_decl_1): New static function.
5322 (find_single_pointer_decl): New static function.
5323 (internal_get_tmp_var): For a formal variable, set restrict base
5324 information if appropriate.
5325 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5327 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5328 (DECL_GET_RESTRICT_BASE): Define.
5329 (SET_DECL_RESTRICT_BASE): Define.
5330 (decl_restrict_base_lookup): Declare.
5331 (decl_restrict_base_insert): Declare.
5332 (struct tree_decl_with_vis): Add based_on_restrict_p field.
5333 * tree.c (restrict_base_for_decl): New static variable.
5334 (init_ttree): Initialize restrict_base_for_decl.
5335 (copy_node_stat): Copy restrict base information.
5336 (decl_restrict_base_lookup): New function.
5337 (decl_restrict_base_insert): New function.
5338 (print_restrict_base_statistics): New static function.
5339 (dump_tree_statistics): Call print_restrict_base_statistics.
5341 2005-10-02 Diego Novillo <dnovillo@redhat.com>
5344 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5345 case of anti-ranges.
5347 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
5350 * c-typeck.c (tagged_tu_seen): Rename to ...
5351 (tagged_tu_seen_cache): this and add val field.
5352 (comptypes): Move functional to comptypes_internal
5353 and free tagged_tu_seen.
5354 (comptypes_internal): New function and call comptypes_internal
5355 instead of comptypes. Speed up by sibcalling
5356 tagged_types_tu_compatible_p.
5357 (alloc_tagged_tu_seen): New function
5358 (free_all_tagged_tu_seen_up_to): New function.
5359 (tagged_types_tu_compatible_p): Return the val of the seen two
5361 Add that the two types are the same to tagged_tu_seen_base
5362 if they are and call comptypes_internal instead of comptypes.
5363 <case UNION_TYPE>: Speed up common type where the fields are
5365 (function_types_compatible_p): Call comptypes_internal instead of
5367 (type_lists_compatible_p): Likewise.
5368 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5370 2005-10-02 Matthias Klose <doko@debian.org>
5372 * doc/invoke.texi: Fix typo and speling error.
5374 2005-10-01 Richard Henderson <rth@redhat.com>
5376 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5378 2005-10-01 Mark Mitchell <mark@codesourcery.com>
5380 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5381 using --start-group and --end-group.
5383 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5385 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5386 FIXME note regarding quirky semantics.
5388 2005-10-01 Diego Novillo <dnovillo@redhat.com>
5391 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5392 non-null range as a last resort.
5394 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
5395 Diego Novillo <dnovillo@redhat.com>
5398 * tree-vrp.c (extract_range_from_assert): For !=
5399 assertions, only build an anti-range if LIMIT is a
5400 single-valued range.
5402 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
5404 * arm.md (movqi): On thumb when optimizing, handle loading from
5405 memory by describing this as taking a subreg of a zero-extended load
5406 into an SImode register.
5409 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
5411 * reload1.c (merge_assigned_reloads): Do not change any
5412 RELOAD_FOR_OUTPUT_ADDRESS reloads.
5414 2005-09-30 Geoffrey Keating <geoffk@apple.com>
5416 * Makefile.in (LIPO_FOR_TARGET): Define.
5417 (STRIP_FOR_TARGET): Define.
5419 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5420 before creating new ones. Do symlinks before creating the actual
5423 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5424 to work out which multilibs are actually being built.
5426 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
5428 * tree-vect-transform.c, config/ms1/ms1.md,
5429 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5430 Follow spelling conventions.
5431 * doc/invoke.texi, doc/md.texi: Fix typos.
5433 2005-09-30 Andrew Macleod <amacleod@redat.com>
5435 PR tree-optimization/21430
5436 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5437 use operands, and set stmt pointer if need be.
5438 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5439 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5442 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5445 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5447 2005-09-29 Mark Mitchell <mark@codesourcery.com>
5449 * optabs.c (expand_binop): Initialize first_pass_p.
5451 2005-09-29 Jakub Jelinek <jakub@redhat.com>
5454 * c-decl.c (c_write_global_declarations_1): If any
5455 wrapup_global_declaration_2 call returned true, restart the loop.
5457 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
5459 Fix PR tree-optimization/24117
5460 * tree-ssa-structalias.c (find_func_aliases): Strip nops
5461 before considering whether to use anyoffset.
5463 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5467 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5469 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5471 (swap_commutative_operands_with_target): New.
5473 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5476 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5479 2005-09-29 Steven Bosscher <stevenb@suse.de>
5481 PR tree-optimization/23911
5482 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5483 and IMAGPART_EXPR too.
5485 2005-09-28 Mark Mitchell <mark@codesourcery.com>
5488 * expmed.c (expand_shift): Move logic to reverse rotation
5489 direction when rotating by constants ...
5490 * optabs.c (expand_binop): ... here.
5491 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5492 (ix86_rotrdi3): New pattern.
5493 (rotldi3): Handle 32-bit mode.
5494 (ix86_rotldi3): New pattern.
5496 2005-09-29 Alan Modra <amodra@bigpond.net.au>
5499 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5500 check for numbers that need no bit twiddle.
5502 2005-09-28 Geoffrey Keating <geoffk@apple.com>
5504 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5505 multilib to be built.
5507 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5508 (stage1-start): Delete old libgcc and libunwind before moving
5509 anything into the stage directory.
5510 (stage2-start): Likewise.
5511 (stage3-start): Likewise.
5512 (stage4-start): Likewise.
5513 (stageprofile-start): Likewise.
5514 (stagefeedback-start): Likewise.
5515 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5516 header in tm_file and CPU-specific t-darwin in tmake_file.
5517 (i[34567]86-*-darwin*): Don't change tm_file.
5518 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5519 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5520 shared library stub for target OS version.
5521 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5522 (SHLIB_LINK): Don't make SHLIB_SOLINK.
5523 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5524 (libgcc_s.%.dylib): New.
5526 (install-darwin-libgcc-stubs): New.
5527 (INSTALL_LIBGCC): New append.
5528 * config/i386/darwin-libgcc.10.4.ver: New.
5529 * config/i386/darwin-libgcc.10.5.ver: New.
5530 * config/i386/t-darwin: New.
5531 * config/rs6000/darwin-libgcc.10.4.ver: New.
5532 * config/rs6000/darwin-libgcc.10.5.ver: New.
5533 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5534 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5536 2005-09-28 Paul Brook <paul@codesourcery.com>
5538 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5541 2005-09-28 Richard Guenther <rguenther@suse.de>
5543 PR tree-optimization/23853
5544 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5545 host_integerp to verify misalignment value.
5547 2005-09-28 Richard Henderson <rth@redhat.com>
5549 * builtins.c (get_builtin_sync_mode): New.
5550 (expand_builtin_sync_operation): Pass in mode argument.
5551 (expand_builtin_compare_and_swap): Likewise.
5552 (expand_builtin_lock_test_and_set): Likewise.
5553 (expand_builtin_lock_release): Likewise.
5554 (expand_builtin): Update to match.
5556 2005-09-28 Nick Clifton <nickc@redhat.com>
5558 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5559 formatting. Add check to PLUS case to ensure that the offset is
5560 within an acceptable range.
5562 * config/v850/v850.md (casesi): Disable the generation of the
5563 switch pattern as it is not being handled properly at the moment.
5565 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5566 for when the high words are identical.
5568 2005-09-27 Richard Henderson <rth@redhat.com>
5570 * pretty-print.c (pp_base_format): Fix typo for %>.
5572 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
5573 Devang Patel <dpatel@apple.com>
5575 PR tree-optimization/23625
5576 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5577 LABEL_EXPR, assertion check.
5579 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
5581 * optabs.c (no_conflict_move_test): Check if a result of a
5582 to-be-moved insn would be clobbered by an originally
5585 2005-09-27 Jeff Law <law@redhat.com>
5587 * passes.c (init_optimization_passes): Replace copy propagation
5588 passes immediately after DOM with phi-only copy propagation
5589 pases. Add phi-only copy propagation pass after first DOM pass.
5590 * tree-pass.h (pass_phi_only_copy_prop): Declare.
5591 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5592 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5593 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
5594 to init_copy_prop. Callers updated.
5595 (do_phi_only_copy_prop): New function.
5596 (pass_phi_only_copy_prop): New pass descriptor.
5598 2005-09-27 Nick Clifton <nickc@redhat.com>
5600 * libgcc2.c (__popcount_tab): Remove redundant prototype.
5602 2005-09-26 Jason Merrill <jason@redhat.com>
5605 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5607 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5609 2005-09-26 James E Wilson <wilson@specifix.com>
5611 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5612 copyright. Add gcc copyright plus libgcc exception.
5613 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
5615 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5617 2005-09-26 Jeff Law <law@redhat.com>
5619 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5620 about when to iterate.
5622 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
5625 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5626 for __complex__ double in -mcpu=G5 mode.
5628 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
5630 PR tree-optimization/23942
5631 * Makefile.in (SCEV_H): Depends on PARAMS_H.
5632 * tree-scalar-evolution.c: Include params.h.
5634 (follow_ssa_edge, follow_ssa_edge_in_rhs,
5635 follow_ssa_edge_in_condition_phi_branch,
5636 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5637 Change return type to t_bool. Use a parameter to limit the size of
5638 trees that are walked before stopping
5639 (analyze_evolution_in_loop): Initialize the limit to 0.
5640 (follow_ssa_edge): Give up by returning t_dont_know if the limit
5641 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5643 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5646 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5647 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5649 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
5651 * combine.c (make_extraction): Check for valid use of subreg.
5653 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5656 * config/i386/i386.md ("*fistdi2_1"): New pattern.
5657 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5658 ("fist<mode>2_with_temp"): Use only register operands.
5660 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
5662 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5663 CALL_INSN_FUNCTION_USAGE.
5665 2005-09-26 Richard Guenther <rguenther@suse.de>
5668 * gcse.c: Include hashtab.h, define ldst entry hashtable.
5669 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5670 (ldst_entry): Use the hashtable instead of list-walking.
5671 (find_rtx_in_ldst): Likewise.
5672 (free_ldst_entry): Free the hashtable.
5673 (compute_ld_motion_mems): Create the hashtable.
5674 (trim_ld_motion_mems): Remove entry from hashtable if
5675 removing it from list.
5676 (compute_store_table): Likewise^2.
5677 (store_motion): Free hashtable in case we did not see
5680 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
5682 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5683 and arg1 if we are passing them to fold_build2.
5685 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
5688 * config/i386/i386.c (ix86_function_regparm): Fix the test for
5691 2005-09-25 Richard Henderson <rth@redhat.com>
5693 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5694 SYMBOL_REF_TLS_MODEL to be correct.
5696 2005-09-24 Richard Henderson <rth@redhat.com>
5698 * ipa-type-escape.c (discover_unique_type): Remove dead code at
5699 end of function. Reindent.
5701 2005-09-24 Ian Lance Taylor <ian@airs.com>
5703 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5704 NEGATE_EXPR/BIT_NOT_EXPR case.
5706 2005-09-24 Richard Henderson <rth@redhat.com>
5708 * c-common.c (handle_mode_attribute): When not modifying in place,
5709 create subtypes for enumerations.
5710 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5711 * gimplify.c (create_tmp_from_val): Likewise.
5713 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
5715 * config/i386/i386.md (*tls_global_dynamic_64,
5716 *tls_local_dynamic_base_64): Add missing mode to call.
5717 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5719 2005-09-24 Jan Hubicka <jh@suse.cz>
5721 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5722 (cgraph_clone_node): Likewise.
5723 * cgraph.h (cgraph_clone_edge): Update prototype.
5724 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5725 duplicated prototypes; add updating argument.
5726 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5727 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5729 (cgraph_mark_inline_edge): Likewise.
5730 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5731 (cgraph_flatten_node): Likewise.
5732 (cgraph_decide_recursive_inlining): Likewise.
5733 (cgraph_decide_inlining_of_small_function): Likewise.
5734 * tree-optimize.c (tree_rest_of_compilation): Likewise.
5736 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5737 Pete Steinmetz <steinmtz@us.ibm.com>
5739 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5740 (rldic.): Set type to "compare".
5742 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
5743 mfjmpr for MFCTR/MFLR.
5744 (movdf_hardfloat64): Same.
5745 (movdf_softfloat64): Same. Correct order of store and move types.
5746 (movti_string): Set type to store_ux/load_ux.
5747 (load_multiple): Set type to load_ux.
5748 (store_multiple): Set type to store_ux.
5749 (movmemsi): Set type to store_ux.
5750 (output_cbranch direct_return): Set type to jmpreg.
5751 (stmw): Set type to store_ux.
5752 (lmw): Set type to load_ux.
5753 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5754 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5755 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5756 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5757 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5758 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5759 (rios1-fpstore): Increase latency to 3.
5760 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5761 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5763 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5764 Andrew Pinski <pinskia@physics.uc.edu>
5766 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5767 operand2 constraint to "b".
5768 (sync_<fetchop_name>di_internal): Same.
5769 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5771 (sync_old_<fetchop_name>di_internal): Same.
5772 (sync_new_<fetchop_name>si_internal): Same.
5773 (sync_new_<fetchop_name>di_internal): Same.
5775 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
5778 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5779 case, define as macros.
5781 PR rtl-optimization/23837
5782 * optabs.c (no_conflict_move_test): Don't set must_stay for a
5783 clobber / clobber match between dest and p->first.
5785 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5786 (no_conflict_move_test): Update comments.
5788 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5790 * doc/install.texi: Update URL for Jacks.
5791 * doc/sourcebuild.texi: Likewise.
5793 2005-09-22 David Edelsohn <edelsohn@gnu.org>
5796 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5797 registers when choosing register preferences.
5798 (movdf_hardfloat64): Same.
5800 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
5802 * expmed.c (expand_shift): Don't use the target of the rotate as
5803 target for the first expanded shift insn.
5804 * testsuite/gcc.dg/20050922-1.c: Testcase added.
5806 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
5808 PR tree-optimization/22438
5809 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5810 preserved iv rhs rewriting specially.
5812 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
5814 * tree-data-ref.c (analyze_array_indexes): Only estimate when
5815 estimate_only is true.
5816 * tree-flow.h (ref_contains_indirect_ref): New prototype.
5817 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5818 tree-ssa-structalias.c
5819 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5820 ref_contains_indirect_ref.
5821 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5823 2005-09-21 DJ Delorie <dj@redhat.com>
5825 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5827 (mn10300_return_in_memory): Support variable size types also.
5828 (mn10300_pass_by_reference): Likewise.
5829 (mn10300_function_value): New.
5830 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5831 (FUNCTION_OUTGOING_VALUE): Likewise.
5832 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5833 * doc/invoke.texi: Document it.
5835 2005-09-21 Uros Bizjak <uros@kss-loka.si>
5838 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5839 force integer op1 into register for XFmode compares.
5841 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5844 * expmed.c (alg_code): Add alg_impossible.
5845 (alg_hash_entry): Add cost.
5846 (synth_mult): Record alg_impossible in the hash table if
5847 multiplication by a given integer is impossble within the
5848 limit. Speed up using alg_impossible.
5850 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5852 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5853 argument. Allow and set any offset if needs_anyoffset is passed
5855 (get_constraint_for): Add argument here too.
5857 (do_structure_copy): Pass NULL to get_constraint_for.
5858 (handle_ptr_arith): Ditto.
5859 (find_func_aliases): Ditto.
5861 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
5863 PR rtl-optimization/23898
5864 * output.h (get_attr_min_length): Declare.
5865 * final.c (get_attr_length_1): New function, broken out of:
5867 (get_attr_min_length): New function.
5868 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5869 (duplicate_computed_gotos): Likewise.
5870 * genattr.c (insn_min_length): Generate declaration.
5871 * genattrtab.c (min_fn, min_attr_value): New functions.
5872 (make_length_attrs): Generate insn_min_length.
5874 2005-09-20 Steve Ellcey <sje@cup.hp.com>
5876 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5878 2005-09-20 Richard Henderson <rth@redhat.com>
5880 PR tree-optimization/24059
5881 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5884 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
5886 * c.opt (fextended-identifiers): New.
5887 * c-opts.c (c_common_handle_option): Handle
5888 -fextended-identifiers.
5889 * doc/cpp.texi: Update documentation of extended identifiers.
5890 * doc/cppopts.texi (-fextended-identifiers): Document.
5892 2005-09-20 Jakub Jelinek <jakub@redhat.com>
5894 PR tree-optimization/23929
5895 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5898 PR tree-optimization/23818
5899 * tree-stdarg.c (execute_optimize_stdarg): Call
5900 calculate_dominance_info.
5902 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5904 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5905 (analyze_siv_subscript_cst_affine): Add weak SIV test.
5906 (compute_overlap_steps_for_affine_1_2): Use
5907 get_number_of_iters_for_loop.
5908 (analyze_subscript_affine_affine): Check whether difference is
5910 Use get_number_of_iters_for_loop.
5911 Check whether overlap occurs outside of bounds.
5912 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5914 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
5916 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5917 base register if possible.
5919 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
5921 PR tree-optimization/18463
5922 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5923 converting it directly is not possible.
5924 (chrec_convert_aggressive): New function.
5925 * tree-chrec.h (chrec_convert_aggressive): Declare.
5926 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5927 Fold chrec conversions aggressively if asked to.
5928 (instantiate_parameters): Modified because of changes in
5929 instantiate_parameters_1.
5931 2005-09-19 Richard Henderson <rth@redhat.com>
5933 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5934 (reduc_splus_v2df): New.
5936 2005-09-19 Richard Sandiford <richard@codesourcery.com>
5938 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5939 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
5941 2005-09-19 Richard Henderson <rth@redhat.com>
5943 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5946 2005-09-19 Richard Henderson <rth@redhat.com>
5948 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5949 (ia64_expand_dot_prod_v8qi): New.
5950 * config/ia64/ia64-protos.h: Update.
5951 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5952 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5953 sdot_prodv8qi, sdot_prodv4hi): New.
5954 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5956 2005-09-19 Richard Henderson <rth@redhat.com>
5959 * real.c (exact_real_truncate): Return false if the format cannot
5960 represent the number as a normal.
5962 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5963 for a memory source.
5965 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
5967 * tree-ssa-operands.c (swap_tree_operands): Export.
5968 * tree.h (swap_tree_operands): Declare.
5969 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5970 Call swap_tree_operands.
5972 2005-09-19 Richard Henderson <rth@redhat.com>
5974 * tree-flow.h (merge_alias_info): Declare.
5975 * tree-ssa-copy.c (merge_alias_info): Export.
5976 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5977 (vect_create_data_ref_ptr): Use create_iv directly.
5978 (vectorizable_load): Use correct types for integer constants.
5979 (vect_generate_tmps_on_preheader): Likewise.
5980 (vect_gen_niters_for_prolog_loop): Likewise.
5982 2005-09-19 Steven Bosscher <stevenb@suse.de>
5984 PR rtl-optimization/23943
5985 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5987 2005-09-18 Jan Hubicka <jh@suse.cz>
5989 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5991 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
5993 * varasm.c (output_constant): Do not abort on conversions to union
5994 types between different sizes.
5996 2005-09-18 Richard Guenther <rguenther@suse.de>
5999 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6002 2005-09-18 Paul Brook <paul@codesourcery.com>
6004 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6006 2005-09-17 Richard Henderson <rth@redhat.com>
6008 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6009 * tree-ssa-loop.c (pass_vect_dce): Remove.
6010 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6013 2005-09-17 Richard Henderson <rth@redhat.com>
6015 * tree-pass.h (pass_vect_dce): Declare.
6016 * passes.c (init_optimization_passes): Add it.
6017 * tree-flow.h (tree_ssa_dce): Declare.
6018 * tree-ssa-dce.c (tree_ssa_dce): Export.
6019 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6020 (gate_tree_vectorize): ... here.
6021 (pass_vect_dce): New.
6023 2005-09-17 Jan Hubicka <jh@suse.cz>
6025 * except.c (struct eh_status): Turn region_array into vec.
6026 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6027 convert_from_eh_region_ranges, find_exception_handler_labels,
6028 current_function_has_exception_handlers, assign_filter_values,
6029 build_post_landing_pads, dw2_build_landing_pads,
6030 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6031 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6032 foreach_reachable_handler, can_throw_internal_1,
6033 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6035 (duplicate_eh_region_1): Update region_array.
6036 (duplicate_eh_regions): Resize region_array and avoid recomputing.
6038 2005-09-17 David Edelsohn <edelsohn@gnu.org>
6041 * expmed.c (expand_mult): Substitute simple register for op0 when
6044 2005-09-17 Richard Henderson <rth@redhat.com>
6046 * expr.c (emit_move_via_integer): Add force argument, pass it on
6047 to emit_move_change_mode. Update callers.
6048 (emit_move_complex): Pass true to new force argument.
6049 * function.c (expand_function_end): Move expand_eh_return call
6050 earlier. Merge sub-word complex values into a pseudo before
6051 copying to the return hard register.
6053 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
6055 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6056 between different sizes.
6058 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
6062 * passes.c (init_optimization_passes): Register dump files for
6065 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
6067 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6068 * config/s390/s390.c (s390_overlap_p): New function.
6069 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6070 peephole2, "*xc" peephole2): Added overlap check to the peephole2
6073 2005-09-16 Richard Guenther <rguenther@suse.de>
6075 * ipa-pure-const.c (static_execute): Free auxiliar information.
6076 * ipa-type-escape.c (discover_unique_type): Free temporary key.
6077 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6079 2005-09-15 DJ Delorie <dj@redhat.com>
6081 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6083 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
6085 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6087 (swap_commutative_operands_with_target): New.
6089 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
6091 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6094 (estimate_iters_using_array): New function.
6095 * tree-data-ref.h (estimate_iters_using_array): Prototype
6096 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6097 Use estimate_iters_using_array instead of analyze_array.
6099 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
6101 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6104 2005-09-15 Michael Matz <matz@suse.de>
6106 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6108 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
6110 PR tree-optimization/23835
6111 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6112 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6114 2005-09-14 Richard Henderson <rth@redhat.com>
6116 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6117 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6119 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
6121 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6122 in the ARRAY_TYPE case.
6124 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
6126 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6128 2005-09-14 Uros Bizjak <uros@kss-loka.si>
6131 * tree-vect-transform.c (vectorizable_operation): Return false for
6132 scalar shift operations and for vector shift operations with
6133 non-invariant shift arguments. Use scalar tree operand op1 as
6134 a shift operand when vector shift insn pattern uses scalar shift
6136 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6138 2005-09-14 Olivier Hainque <hainque@adacore.com>
6140 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6141 value if it has side-effects.
6143 2005-09-14 David Edelsohn <edelsohn@gnu.org>
6146 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6148 2005-09-14 Alan Modra <amodra@bigpond.net.au>
6150 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6151 passed as NAME as if it were label at start of function code.
6153 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
6155 * config/sh/sh.md (*movv4sf_i): Add general register cases to
6158 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6160 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6161 as early clobber. Rewrite so the PIC register is not implicitly used.
6163 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6165 * tree.c (annotate_with_file_line): Compare line numbers before
6168 2005-09-13 Uros Bizjak <uros@kss-loka.si>
6171 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6172 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6174 2005-09-13 Ian Lance Taylor <ian@airs.com>
6176 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6177 than a HOST_WIDEST_INT to gen_doloop_begin.
6179 2005-09-13 Diego Novillo <dnovillo@redhat.com>
6181 * tree-dfa.c (dump_variable): Guard against NULL annotations.
6183 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
6185 PR tree-optimize/23817
6186 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6188 2005-09-13 Alan Modra <amodra@bigpond.net.au>
6191 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6192 word before changing the stack pointer. Use gen_frame_mem for MEMs.
6193 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6194 (restore_stack_nonlocal): Likewise.
6195 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6197 2005-09-12 Ian Lance Taylor <ian@airs.com>
6200 * c.opt (ffriend-injection): New C++ option.
6201 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6202 (C++ Dialect Options): Document -ffriend-injection.
6204 2005-09-12 Josh Conner <jconner@apple.com>
6207 * ipa-reference.c (static_execute): Don't mark variables in
6208 named sections TREE_READONLY.
6210 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6212 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6215 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6217 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6218 V_MUST_DEF instead of just the first_use_p.
6219 Don't mark the virtual variables for renaming on the statement which
6221 (pass_dse): Remove TODO_update_ssa.
6223 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
6226 * stor-layout.c (compute_record_mode): For records with a single
6227 field, actually check the field's mode size against the type size.
6229 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6230 registers for TARGET_SHMEDIA.
6231 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6232 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
6233 of GENERAL_REGS and FP_REGS.
6235 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
6237 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6239 2005-09-12 Alan Modra <amodra@bigpond.net.au>
6241 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6242 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6243 are omitted. Exclude stack_tie insn too.
6245 2005-09-11 David Edelsohn <edelsohn@gnu.org>
6247 PR rtl-optimization/23098
6248 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6250 * config/rs6000/rs6000.md (movdf splitter): Use
6251 const_double_operand predicate for TARGET_POWERPC64.
6252 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6253 SYMBOL_REF method to ABI_V4.
6255 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6256 replace_equiv_address.
6257 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6258 rs6000_sr_alias_set and MEM_NOTRAP.
6259 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6261 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
6263 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6264 handle CALL_EXPR again.
6266 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
6268 * arm/predicates.md (alignable_memory_operand): Delete.
6270 2005-09-10 Richard Henderson <rth@redhat.com>
6273 * dbxout.c (dbxout_expand_expr): New.
6274 (dbxout_symbol): Use it.
6276 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
6278 * arm.c (arm_gen_rotated_half_load): Delete.
6279 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6280 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6281 (thumb_set_return_address): Likewise.
6282 (thumb_load_double_from_address): Use adjust_address.
6283 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6284 (extendhsisi2_mem, movhi_bytes): Use change_address.
6285 (movhi): Use widen_memory_access.
6286 (reload_out_df): Use replace_equiv_address.
6287 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6289 2005-09-09 Richard Henderson <rth@redhat.com>
6292 * dbxout.c: Include expr.h.
6293 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6294 (dbxout_symbol): Handle DECL_VALUE_EXPR.
6295 * Makefile.in (dbxout.o): Add EXPR_H.
6297 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
6299 PR tree-optimization/23509
6300 * tree-cfg.c (replace_uses_by): Use replace_exp.
6301 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6302 pointers have name_mem_tag or type_mem_tag set.
6304 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6306 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6307 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6308 of wrongly accessing operands.
6310 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
6312 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6313 * tree-chrec.c: Include tree-scalar-evolution.h.
6314 (chrec_convert): Instantiate the base and step before calling
6315 scev_probably_wraps_p that would fail on parametric evolutions.
6316 Collect all the fails into a single section failed_to_convert,
6317 print a diagnostic, and return chrec_dont_know instead of calling
6319 * tree-scalar-evolution.c (loop_closed_phi_def): New.
6320 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6322 (scev_const_prop): Don't replace the definition of a loop closed ssa
6323 phi node by itself, or by another loop closed ssa phi node.
6324 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6325 that base and step are defined.
6327 2005-09-09 Richard Guenther <rguenther@suse.de>
6330 * fold-const.c (fold_ternary): Check truth_value_p before
6331 calling invert_truthvalue.
6333 2005-09-09 Nick Clifton <nickc@redhat.com>
6335 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6336 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6337 dimension of these arrays.
6338 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6340 * longlong.h: Only provide a prototype for the __clz_tab[] array
6341 if this header has not been included from libgcc2.h.
6342 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6344 Provide prototypes for exported functions.
6345 Use the __clz_tab[] and __popcount_tab[] arrays provided by
6348 2005-09-08 Josh Conner <jconner@apple.com>
6352 * expr.c (expand_expr_addr_expr_1): Don't invoke
6353 expand_simple_binop for EXPAND_INITIALIZER.
6355 2005-09-08 Richard Henderson <rth@redhat.com>
6358 * toplev.c (wrapup_global_declaration_1): Split out ...
6359 (wrapup_global_declaration_2): ... from ...
6360 (wrapup_global_declarations): ... here. Return bool.
6361 (check_global_declaration_1): Split out ...
6362 (check_global_declarations): from here.
6363 (emit_debug_global_declarations): New.
6364 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6365 check_global_declaration_1, emit_debug_global_declarations): Declare.
6366 * c-decl.c (c_write_global_declarations_1): Don't create a vector
6367 of decls. Call wrapup_global_declaration_1,
6368 wrapup_global_declaration_2, check_global_declaration_1 directly.
6369 (c_write_global_declarations_2): New.
6371 (c_write_global_declarations): Call c_write_global_declarations_2.
6372 * langhooks.c (write_global_declarations): Call
6373 emit_debug_global_declarations.
6375 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6376 remove decls that have DECL_RTL_SET_P.
6377 * passes.c (rest_of_decl_compilation): Invoke
6378 cgraph_varpool_finalize_decl for all but functions.
6380 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6382 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6383 the result of a conversion if the new min and max cannot be compared.
6385 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
6387 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6388 (override_options): Setting s390_sr_alias_set removed.
6389 (save_fpr, save_gprs): Set alias set to vararg or frame.
6390 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6391 s390_sr_alias_set with get_frame_alias_set ().
6392 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6393 get_varargs_alias_set ().
6395 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6399 * c-parser.c (c_parser_objc_method_definition): If the next
6400 token is not "{", error out and don't start the function.
6402 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
6404 * tree-vrp.c (extract_range_from_expr): Move the check for non
6405 nullness after the check for gimple invariant.
6407 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6409 * tree.c (host_integerp, tree_low_cst): Correct function comment.
6411 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6414 * config/m32r.md (movmemsi_internal): Canonicalize order of
6415 operands in PLUS component of template.
6417 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
6419 * reload1.c (fixup_eh_region_note): Remove assertion.
6420 (fixup_abnormal_edges): Reverted removal of call to
6421 find_many_sub_basic_blocks made on 2005-08-31.
6423 2005-09-07 Richard Henderson <rth@redhat.com>
6425 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6426 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6427 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6428 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6429 rearrange for better packing.
6430 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6431 (lookup_cfa_1): Remove inline marker.
6432 (cfa_equal_p): Split out of ...
6433 (def_cfa_1): ... here. Use INVALID_REGNUM.
6434 (build_cfa_loc): Handle !cfa->indirect.
6435 (frame_pointer_cfa_offset): New.
6436 (dbx_reg_number): Assert register elimination performed; do
6437 leaf register remapping.
6438 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6439 (eliminate_reg_to_offset): New.
6440 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
6441 for verifiably local stack frame addresses; re-base to CFA.
6442 (mem_loc_descriptor): Remove can_use_fbreg argument.
6443 (concat_loc_descriptor, loc_descriptor): Likewise.
6444 (containing_function_has_frame_base): Remove.
6445 (rtl_for_decl_location): Don't do register elimination or
6446 leaf register remapping here.
6447 (secname_for_decl): Split out from ..
6448 (add_location_or_const_value_attribute): ... here.
6449 (convert_cfa_to_loc_list): New.
6450 (compute_frame_pointer_to_cfa_displacement): New.
6451 (gen_subprogram_die): Use them.
6452 * tree.h (frame_base_decl): Remove.
6453 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6454 (prologue_stack_adjust): Remove.
6455 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6456 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6457 (set_frame_base_location): Remove.
6458 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6459 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6460 (vt_add_function_parameters): Don't eliminate_regs.
6461 (vt_initialize): Don't create frame_base_decl.
6463 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6465 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6466 version of GNU binutils for 4.x and later.
6468 2005-09-06 Mark Mitchell <mark@codesourcery.com>
6470 * ggc-page.c (ggc_push_context): Remove.
6471 (ggc_pop_context): Likewise.
6472 * ggc.h (ggc_push_context): Remove.
6473 (ggc_pop_context): Likewise.
6475 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6478 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6479 returning from an interrupt handler.
6481 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6484 * config/arc/arc.c (output_shift): Add check for loop count when
6487 2005-09-06 Steven Bosscher <stevenb@suse.de>
6489 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6491 (abs_replacement): Likewise.
6492 (pass_phiopt): Remove TODO_update_ssa.
6494 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6497 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6498 if "return with no value, in function returning non-void" warning
6500 * tree-cfg.c (execute_warn_function_return): Don't look at
6501 RETURN_EXPRs with TREE_NO_WARNING set.
6504 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6505 for internal functions doesn't use registers used by global registers
6506 variables. Use fewer register parameters if there are global register
6509 2005-09-06 Olivier Hainque <hainque@adacore.com>
6510 Eric Botcazou <ebotcazou@adacore.com>
6513 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6514 when we would be extracting outside its bit span (bitpos+bitsize
6515 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6516 Ada unchecked conversions.
6518 2005-09-06 Steven Bosscher <stevenb@suse.de>
6520 * tree-ssa-pre.c (try_look_through_load): New function.
6521 (compute_avail): Use it to try to look through loads for some
6522 more useful expressions.
6524 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6526 * simplify-rtx.c (simplify_binary_operation_1): Correct the
6527 condition for detecting cases like (a&a) and (a^a).
6529 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
6531 * common.opt: Add option ftree-vect-loop-version.
6532 * params.def: Add --param vect-max-version-checks.
6533 * doc/invoke.texi: Document ftree-vect-loop-version and
6534 --param vect-max-version-checks.
6535 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6536 may_misalign_stmts and defines for accessors.
6537 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6538 LOOP_VINFO_MAY_MISALIGN_STMTS.
6539 (destroy_loop_vec_info): VEC_free for
6540 LOOP_VINFO_MAY_MISALIGN_STMTS.
6541 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6542 Update documentation.
6543 (vect_update_misalignment_for_peel): New.
6544 (vect_enhance_data_refs_alignment): Update to choose loop
6545 peeling or loop versioning if appropriate for the (potentially)
6546 unaligned data references in the loop.
6547 (vect_analyze_data_refs_alignment): Remove call to
6548 vect_enhance_data_refs_alignment so the checks can be done
6550 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6551 and move up call to vect_analyze_data_refs_alignment.
6552 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6553 (vect_transform_loop): Add call to loop_version.
6555 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6557 PR rtl-optimization/23098
6558 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6559 * simplify-rtx.c (constant_pool_reference_p): New function.
6560 * rtl.h (constant_pool_reference_p): New prototype.
6561 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6562 constant_pool_reference_p in condition and
6563 avoid_constant_pool_reference in preparation statements.
6565 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
6567 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6568 STRICT_LOW_PART SETs.
6570 2005-09-06 Alan Modra <amodra@bigpond.net.au>
6573 * except.c (sjlj_emit_function_enter): Find the function begin
6574 note even when it's not in first basic block.
6576 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
6578 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
6579 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6580 * aclocal.m4: Regenerate.
6582 2005-09-05 DJ Delorie <dj@redhat.com>
6584 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6587 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
6589 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6590 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6591 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6592 Follow spelling conventions.
6593 * doc/invoke.texi: Follow spelling conventions.
6595 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6597 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6598 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6599 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6601 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6604 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6605 (output_stack_adjust): Use gen_tmp_stack_mem.
6606 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6607 (sh_set_return_address, sh_allocate_initial_value): Likewise.
6608 (sh_get_pr_initial_val): Likewise.
6609 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6610 (sh_initialize_trampoline): Likewise. Also use adjust_address.
6611 * sh.md (divsi_inv_m0): Use gen_const_mem.
6612 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6613 (movdf_i4+1): Use gen_tmp_stack_mem.
6614 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6615 (fpu_switch+2): Likewise.
6616 (movv4sf_i, movv16sf_i): Use adjust_address.
6617 (symGOT_load): Set MEM_NOTRAP_P bit.
6619 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6622 * pa.c (emit_move_sequence): Fix typo in last change.
6624 2005-09-03 Jakub Jelinek <jakub@redhat.com>
6626 PR rtl-optimization/23454
6627 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6630 2005-09-03 Richard Henderson <rth@redhat.com>
6631 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6634 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6637 2005-09-02 Nicolas Pitre <nico@cam.org>
6639 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6640 to bit_count to 32 bits.
6642 2005-08-31 Mark Mitchell <mark@codesourcery.com>
6645 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6646 generating synthetic loads from volatile lvalues.
6648 005-09-02 Nick Clifton <nickc@redhat.com>
6650 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6651 __ctzhi2, __clzhi2): New functions.
6653 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
6656 * tree-nested.c (struct var_map_elt): Mark with GTY.
6657 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
6659 (lookup_field_for_decl): Allocate new element in GC memory.
6660 (lookup_tramp_for_decl): Likewise.
6661 (convert_nl_goto_reference): Likewise
6662 (create_nesting_tree): Allocate info in GC memory. Likewise for
6664 (free_nesting_tree): Free with ggc_free instead of free.
6665 (root): New static variable.
6666 (lower_nested_functions): Remove root as local variable. And zero out
6667 root at the end of the function.
6669 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
6671 PR rtl-optimization/20365
6672 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6673 to short. New member ix.
6674 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6675 (simplify_plus_minus): Initialize ix members before calling qsort.
6677 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
6679 PR tree-optimization/23626
6680 * tree-cfg.c (replace_uses_by): Clean up eh info.
6682 2005-09-01 DJ Delorie <dj@redhat.com>
6684 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6687 2005-09-01 David Edelsohn <edelsohn@gnu.org>
6689 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6690 (rs6000_split_multireg_move): Use replace_equiv_address instead of
6693 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
6695 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
6696 do not issue warning for a variable definition following
6699 2005-09-01 Richard Henderson <rth@redhat.com>
6702 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6703 conversion to CONST_VECTOR.
6705 2005-09-01 Richard Henderson <rth@redhat.com>
6708 * reload1.c (reload_as_needed): Check !CALL_P before calling
6709 fixup_eh_region_note.
6710 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6712 2005-09-01 DJ Delorie <dj@redhat.com>
6714 * varasm.c (output_constant): Let the target resolve
6715 conversions of addresses to non-default pointer sizes.
6717 2005-09-01 Nicolas Pitre <nico@cam.org>
6719 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6720 to alow matching ARM pre-indexed addressing mode.
6721 (arm_override_options): Remove now irrelevant comment.
6723 2005-09-01 Phil Edwards <phil@codesourcery.com>
6725 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
6726 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
6727 * config/i386/vxworks.h: Likewise.
6728 * config/i386/t-vxworksae: New file, for VxWorks AE.
6729 * config/i386/vxworksae.h: Likewise.
6731 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
6733 PR tree-optimization/23410
6734 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6735 sequence is not wrapping during the first step.
6737 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6740 * dwarf2out.c (base_type_die): Compare char_type_node with
6741 TYPE_MAIN_VARIANT (type), not type.
6743 2005-09-01 Richard Guenther <rguenther@suse.de>
6745 PR tree-optimization/15366
6746 * common.opt: Add -finline-functions-called-once.
6747 Put -fearly-inlining in alphabetically ordered place.
6748 * doc/invoke.texi: Document new option.
6749 * ipa-inline.c (cgraph_decide_inlining): Honour
6750 flag_inline_functions_called_once.
6752 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6754 PR rtl-optimization/23478
6755 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6756 (alloc_qty): Initialize it.
6757 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6758 (combine_regs): Combine also n_throwing_calls_crossed fields.
6759 (find_free_reg): Don't attempt to caller-save pseudos crossing
6760 calls that might throw.
6761 * global.c (struct allocno): Add throwing_calls_crossed field.
6762 (global_alloc): Revert 2005-08-22 change. Initialize
6763 throwing_calls_crossed.
6764 (find_reg): Don't attempt to caller-save pseudos crossing calls that
6767 2005-09-01 Alan Modra <amodra@bigpond.net.au>
6770 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6771 (mask64_operand): Reinstate code prior to 2005-06-11 change.
6772 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6773 (and64_2_operand): Tweak to use predicate.
6774 (and_operand): Adjust for mask_operand changes.
6775 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6776 (print_operand): Likewise.
6777 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6778 (mask64_1or2_operand): Delete.
6779 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6780 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6781 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6782 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6783 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6784 (rotldi3_internal4): Likewise.
6785 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6786 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6787 (ashldi3_internal7): Likewise.
6788 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6789 (ashldi3_internal, ashldi3_internal9 split): Likewise.
6790 (anddi3 split): Don't match mask64_operand.
6791 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
6792 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
6793 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
6794 't' splitter predicate.
6795 (movdi_internal64 + 2): Revert 2005-06-11 change.
6797 2005-08-31 DJ Delorie <dj@redhat.com>
6799 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6800 (m32c_asm_integer): Add support for 32 bit pointers.
6802 2005-08-31 Richard Henderson <rth@redhat.com>
6804 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6805 component-like references for setting MEM_NOTRAP_P.
6807 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6808 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6810 2005-08-31 Richard Henderson <rth@redhat.com>
6812 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6813 into a pseudo before applying gen_lowpart.
6815 2005-08-31 Geoffrey Keating <geoffk@apple.com>
6817 * doc/install.texi (Specific): Update cctools version required
6818 for full functionality.
6819 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6820 linkers as -macosx_version_min.
6822 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
6825 * sh.c (print_operand, %R and %S): Add handling of floating point
6826 registers, memory, constants and invalid operands.
6828 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
6830 * ipa-pure-const.c: Change dump name.
6832 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6835 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6836 to "reg_or_0_operand".
6837 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6839 2005-08-31 Dale Johannesen <dalej@apple.com>
6841 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
6842 loops that count down.
6844 2005-08-31 Richard Henderson <rth@redhat.com>
6847 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6848 (fixup_eh_region_note): New.
6849 (reload_as_needed): Call it.
6850 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6851 don't call find_many_sub_basic_blocks; call verify_flow_info.
6852 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6853 (keep_stack_depressed): Likewise.
6854 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6856 2005-08-31 Richard Henderson <rth@redhat.com>
6858 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6861 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
6863 * expr.c (expand_expr_real_1): Compare size of address
6864 mode to target's address mode size in deciding expansion of
6865 the constant address.
6867 2005-08-31 Richard Guenther <rguenther@suse.de>
6870 * expr.c (all_zeros_p): New function.
6871 (expand_expr_real_1): Handle the case of an all-zero
6872 non-addressable constructor separately.
6874 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
6876 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6877 arguments, adjust all callers.
6878 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6880 2005-08-30 Richard Henderson <rth@redhat.com>
6883 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6884 whenever the mode sizes match.
6886 2005-08-31 Alan Modra <amodra@bigpond.net.au>
6888 * calls.c (load_register_parameters): Fix comment typo.
6889 * expr.c (emit_push_insn): Comment formatting.
6891 2005-08-30 Ian Lance Taylor <ian@airs.com>
6893 * config/i386/x-cygwin (host-cygwin): Change dependency from
6894 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6896 2005-08-29 Geoffrey Keating <geoffk@apple.com>
6898 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6901 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6904 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6905 call to ggc_collect.
6907 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
6910 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6911 beginning. Remove $(INCLUDES) from all the rules, if following
6912 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6914 2005-08-29 Jakub Jelinek <jakub@redhat.com>
6917 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6918 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6919 not constant, but maxlen is, don't set len to maxlen, rather
6920 set maxlen to len if len is a constant.
6922 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
6924 PR tree-optimization/23475
6925 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6928 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
6930 Fix PR middle-end/22455
6932 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6933 Checksum only the parts of the tree that exist for the tree code.
6935 2005-08-28 Dale Johannesen <dalej@apple.com>
6937 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
6939 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
6941 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6943 2005-08-28 Richard Henderson <rth@redhat.com>
6945 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6946 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6949 2005-08-28 Jakub Jelinek <jakub@redhat.com>
6952 * builtins.c (get_memory_rtx): Don't strip nops
6953 in between COMPONENT_REFs.
6955 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
6958 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6960 (gimplify_modify_expr): Check for zero sized types and gimplify the
6961 rhs and lhs as statements.
6963 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
6966 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6967 state for return address column of signal frames.
6969 2005-08-27 David Edelsohn <edelsohn@gnu.org>
6972 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6973 bytes >= 2 not bytes == 2.
6974 (expand_block_move): Same.
6976 2005-08-27 Richard Guenther <rguenther@suse.de>
6979 * config/i386/sse.md (sse2_movsd): Add missing closing
6982 2005-08-27 Paul Brook <paul@codesourcery.com>
6984 * genrecog.c (enum decision_type): Add DT_num_insns.
6985 (struct decision_test): Add u.num_insns.
6986 (add_to_sequence): Add DT_num_insns test.
6987 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6988 (write_cond, debug_decision_2): Ditto.
6989 (change_state): Assume peep2_next_insn never fails.
6990 Remove "afterward" argument.
6991 (write afterward, write_tree): Update to match.
6992 * recog.c (peep2_current_count): New variable.
6993 (peep2_next_insn): Check it.
6994 (peephole2_optimize): Set peep2_current_count.
6995 * recog.h (peep2_current_count): Declare.
6997 2005-08-26 Josh Conner <jconner@apple.com>
7000 * ipa-pure-const.c (check_tree): Check for volatile-ness
7001 when considering a dereference.
7003 2005-08-27 Jakub Jelinek <jakub@redhat.com>
7005 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7007 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7009 PR rtl-optimization/23561
7010 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
7011 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7012 at most LEN bytes long memory fits into the field.
7013 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7014 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7015 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7017 2005-08-26 Richard Henderson <rth@redhat.com>
7020 * loop.c (biased_biv_may_wrap_p): New.
7021 (maybe_eliminate_biv_1): Use it to suppress non-equality
7022 comparison transformations. Delete disabled code.
7024 2005-08-26 Ian Lance Taylor <ian@airs.com>
7026 * combine.c (make_extraction): Avoid reference outside object.
7028 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
7030 * stor-layout.c (finalize_type_size): Restore behaviour for
7031 non-aggregate types to the status quo ante of the patch for
7032 pr 23467. Document why it matters.
7034 2005-08-26 Jakub Jelinek <jakub@redhat.com>
7037 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7038 array by one element, initialize the BT_LAST element with NULL.
7040 2005-08-26 David Edelsohn <edelsohn@gnu.org>
7042 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7043 optimizing for size.
7045 (compare_plus_eqsi): Same.
7046 (plus_eqsi_compare): Same.
7047 (neg_eq0<mode>): Same.
7048 (neg_eq<mode>): Same.
7050 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7053 2005-08-26 Nick Clifton <nickc@redhat.com>
7055 * config/v850/v850.c (ep_memory_operand): Return FALSE if
7056 TARGET_EP is not defined.
7057 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7058 TARGET_EP is enabled.
7059 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7060 * config/v850/v850.md (save_all_interrupt): Only use the EP
7061 register if TARGET_EP is defined.
7062 (restore_all_interrupt): Likewise.
7063 * config/v850/lib1funcs.asm: Update functions so that the EP
7064 register is only used if __EP__ is defined.
7066 2005-08-26 David Ung <davidu@mips.com>
7068 * config/mips/mips.c (mips_expand_prologue): Handle case when
7069 generating for MIPS16 and the outgoing argument area is more than
7070 SMALL_OPERAND. Use the frame pointer as temporary to generate the
7073 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
7075 * config/crx/crx.md: Make doloop_end pattern usage controllable
7076 via mloop-nesting=<max-nesting> command line switch. Make sure
7077 the combiner cannot use doloop_end_<mode> in an illegal way.
7078 * config/crx/crx.c: Use regs up to r6 for argument passing.
7079 Refine crx_address_cost (non cst4 displacements are expensive).
7080 * config/crx/crx.opt: Add switch for mloop-nesting=.
7082 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
7084 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7085 (UNSPEC_MVST): New constant.
7087 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
7089 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7090 Reject operands containing eliminable registers.
7091 * testsuite/gcc.dg/20050825-1.c: New testcase.
7093 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7094 Jan Hubicka <jh@suse.cz>
7096 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7098 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7100 PR tree-optimization/23546
7101 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7104 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
7106 * params.def (PARAM_MIN_SPEC_PROB): New.
7107 * sched-rgn.c (MIN_PROBABILITY): Delete.
7108 (compute_trg_info): Convert to PARAM_VALUE.
7109 * doc/invoke.texi (param): Document min-spec-prob.
7111 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
7113 * config/darwin.h: define __PIC__
7114 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7115 TARGET_OS_CPP_BUILTINS macro.
7117 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7119 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7122 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7124 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7126 * cfghooks.c (duplicate_block): Added position where to place
7127 new block as argument.
7128 * cfghooks.h (duplicate_block): Declaration changed.
7129 * cfglayout.c (copy_bbs): Add argument after. Pass it to
7131 * cfglayout.h (copy_bbs): Declaration changed.
7132 * cfgloop.h (loop_version): Declaration changed.
7133 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7134 position to copy_bbs.
7135 (loop_version): Pass position to duplicate_loop_to_header_edge.
7136 Add place_after argument and position new blocks according to
7138 * modulo-sched.c (sms_schedule): Pass place_after argument
7140 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7141 * tree-cfg.c (split_edge_bb_loc): New function.
7142 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7143 to determine position of new blocks.
7144 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7146 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7147 argument to duplicate_block.
7148 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7149 Pass position to copy_bbs.
7151 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
7153 * fold-const.c (ptr_difference_const): Use
7154 cst_and_fits_in_hwi instead of host_integerp.
7156 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
7158 * config/darwin.c (gen_pic_offset): New.
7159 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
7162 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
7164 PR tree-optimization/23486
7165 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7167 2005-08-23 Phil Edwards <phil@codesourcery.com>
7169 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
7170 remove use_collect2.
7171 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
7173 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
7174 configuration files to override the default value.
7176 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
7177 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7178 * config/vx-common.h: New file, split out from...
7179 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
7180 * config/vxworksae.h: New file, for VxWorks AE.
7181 * config/vxworks.opt: New file.
7182 * config/vxlib.c: Update for VxWorks 6.
7184 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
7185 other MULTILIB_* variables appropriately.
7186 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
7187 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
7188 * config/rs6000/vxworks.h: Update for VxWorks 6.
7189 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
7191 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
7194 * config/darwin.c (machopic_select_section): Remove the hack to
7195 mark "::operator new" and "::operator delete" for coalescing
7196 even though they are not weak.
7198 2005-08-24 Alan Modra <amodra@bigpond.net.au>
7200 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7201 * configure: Regenerate.
7203 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7206 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7208 * convert.c (convert_to_integer, convert_to_vector): Likewise.
7209 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7212 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
7214 * config/rs6000/predicates.md (equality_operator): New.
7215 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7216 comparison with a large constant.
7218 2005-08-23 Mark Mitchell <mark@codesourcery.com>
7220 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7222 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
7224 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7225 registers is even, and we have a hardware double precision fp,
7227 (sh_gimplify_va_arg_expr): For floating point arguments, consider
7228 size of current argument when checking if argument was passed in
7231 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7234 * stor-layout.c (finalize_type_size): Dont override
7235 existing alignment with a smaller alignment from the mode.
7237 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7239 * lambda-code.c (lambda_vector_lexico_pos): Moved...
7240 * lambda.h (lambda_vector_lexico_pos): ... here.
7241 * tree-data-ref.c (build_classic_dist_vector): Return false when
7242 the distance vector is lexicographically negative.
7244 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
7246 PR tree-optimization/23511
7247 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7248 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7250 2005-08-23 Jakub Jelinek <jakub@redhat.com>
7252 PR tree-optimization/22043
7253 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7254 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7255 If ALLOW_FLEXARR, handle types ending with flexible array member.
7256 Pass false as second argument to recursive count_type_elements calls.
7257 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7258 argument to count_type_elements call.
7259 * tree-sra.c (decide_block_copy): Likewise.
7260 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7261 for a constant-sized object, set cleared as well. Pass true as
7262 second argument to count_type_elements call.
7264 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7267 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7268 from legitimate_small_data_p, and make global. Update use.
7269 Remove forward declaration.
7270 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7272 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7274 2005-08-23 David Edelsohn <edelsohn@gnu.org>
7276 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7277 of scratch intermediates.
7278 (eq<mode>_compare): Same.
7279 (neg_eq0<mode>): New.
7280 (neg_eq<mode>): Convert to define_insn_and_split.
7282 2005-08-23 Alan Modra <amodra@bigpond.net.au>
7285 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7286 stdarg functions, set/clear the fp marker even when no variable
7288 * config/rs6000/sysv4.opt (mprototype): Describe.
7290 2005-08-22 Jakub Jelinek <jakub@redhat.com>
7292 PR rtl-optimization/23478
7293 * regs.h (reg_info): Add throw_calls_crossed.
7294 (REG_N_THROWING_CALLS_CROSSED): Define.
7295 * flow.c (allocate_reg_life_data): Initialize
7296 REG_N_THROWING_CALLS_CROSSED.
7297 (propagate_one_insn, attempt_auto_inc): Update
7298 REG_N_THROWING_CALLS_CROSSED.
7299 * global.c (global_alloc): Don't allocate pseudos across
7300 calls that may throw.
7302 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
7305 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7306 value is inbetween the range if we did not find an exact match.
7308 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
7310 * doc/invoke.texi (Option Summary): Add ms1 options.
7311 * doc/extend.texi: Document interrupt handler attribute for ms1.
7312 * doc/md.texi: Document ms1 constraints.
7313 * config.gcc: Add ms1-*-elf.
7314 * config/ms1/ms1.h: New.
7315 * config/ms1/ms1.c: New.
7316 * config/ms1/ms1.md: New.
7317 * config/ms1/ms1-protos.h: New.
7318 * config/ms1/ABI.txt: New.
7319 * config/ms1/crti.asm: New.
7320 * config/ms1/crtn.asm: New.
7321 * config/ms1/lib2extra-funcs.c: New.
7322 * config/ms1/t-ms1: New.
7323 * config/ms1/ms1.opt: New.
7325 2005-08-22 Ira Rosen <irar@il.ibm.com>
7327 * config/rs6000/altivec.md (xorv4sf3): New.
7328 (negv4sf2, neg<mode>2): Likewise.
7330 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
7333 * config/ia64/ia64.md (divsi3): Check divide by zero.
7334 (udivsi3): Likewise.
7336 (udivdi3): Likewise.
7338 2005-08-21 Jakub Jelinek <jakub@redhat.com>
7340 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7341 up to elem_bitsize bits, not max_bitsize.
7343 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7345 PR tree-optimization/23433
7346 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7347 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7349 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
7351 PR tree-optimization/23434
7352 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7353 the iteration bound is not an INTEGER_CST.
7355 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
7357 * tree-vect-transform.c (get_initial_def_for_reduction): Set
7358 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7359 NULL if need_epilog_adjust is false.
7360 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7361 Case 3 always peels first itration, not just for PLUS case, and no need
7362 to use scalar_initial_def here. Create an epilog adjustment only if
7363 scalar_initial_def is not NULL.
7365 (vectorizable_reduction): Remove assert.
7367 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
7370 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7371 (__moddi3): Likewise.
7372 (__udivdi3): Likewise.
7373 (__umoddi3): Likewise.
7374 (__divsi3): Likewise.
7375 (__modsi3): Likewise.
7376 (__udivsi3): Likewise.
7377 (__umodsi3): Likewise.
7379 2005-08-20 Jakub Jelinek <jakub@redhat.com>
7381 * tree-pass.h (TDF_GRAPH): Define.
7382 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7383 * passes.c (finish_optimization_passes): Only call
7384 finish_graph_dump_file if TDF_GRAPH is set.
7385 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7386 NULL. Set TDF_GRAPH bit.
7387 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7389 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
7391 * arm.h (arm_stack_offsets): Add locals_base field.
7392 * arm.c (arm_get_frame_offsets): Compute it.
7393 (thumb_compute_initial_elimination offset): Make the Thumb frame
7394 pointer point to the base of the local variables.
7395 (thumb_expand_prologue): Update accordingly.
7396 (thumb_expand_epilogue): Likewise.
7398 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
7399 mode of clobbered scratch to DImode. Handle a case that's known to
7402 2005-08-19 David Edelsohn <edelsohn@gnu.org>
7404 * config/rs6000/rs6000.md (gt0<mode>): Delete.
7405 (gt0<mode>_compare): Delete.
7406 (neg_gt0<mode>): Delete.
7408 2005-08-19 Eric Christopher <echristo@apple.com>
7410 * optabs.h: Change CTI_ to COI_.
7413 2005-08-19 James E Wilson <wilson@specifix.com>
7415 * builtins.c (expand_builtin_return_addr): Set
7416 current_function_accesses_prior_frames when count != 0. Use
7417 frame_pointer_rtx when count == 0.
7418 * function.h (struct function): Add accesses_prior_frames field.
7419 (current_function_accesses_prior_frames): Define.
7420 * reload1.c (init_elim_table): Check
7421 current_function_accesses_prior_frames.
7422 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7424 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7426 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7427 indicator. Return true if the flowgraph changed during
7430 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7433 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7434 conditional expression before testing its value.
7436 2005-08-19 Diego Novillo <dnovillo@redhat.com>
7438 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7440 2005-08-19 Devang Patel <dpatel@apple.com>
7442 PR tree-optimization/23048
7443 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7444 third parameter. Check whether latch is dominated by exit
7446 (if_convertible_loop_p): Supply exit block itself to
7447 if_convertible_bb_p.
7449 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7452 * arm.md (arm_load_pic_register): Change argument to the mask of
7453 saved registers. Call thumb_find_work_register if we need a
7454 scratch register on Thumb.
7455 (arm_expand_prologue): Pass empty register set to
7456 arm_load_pic_register.
7457 (thumb_expand_prologue): Pass live_regs_mask directly to
7458 arm_load_pic_register.
7459 * arm-protos.h (arm_load_pic_register): Update prototype.
7461 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
7463 * sh.c (find_sole_member): New function.
7464 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7465 if the record's alignment is larger than the size of its only member.
7467 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7470 * arm.c (thumb_legitimize_reload_address): New function.
7471 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7472 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7474 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
7476 * config/crx/crx.c: Implement crx_decompose_address. Reject
7477 symbolic displacements since CRX register relative adressing
7478 mode can't handle unsigned 32-bit values as displacements.
7479 * config/crx/crx.h: Simplify definitions, remove redundant
7480 parenthesis and obsolete macros.
7481 * config/crx/crx.opt: Add new switch for debugging addresses.
7482 * config/crx/crx-protos.h: Add new declarations for above.
7484 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
7487 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7490 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7492 * collect2.c (dup2): Delete.
7493 * configure.ac: Don't check for dup2.
7495 * config.in, configure: Regenerate.
7497 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
7499 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7500 record with the type of its only member.
7502 2005-08-18 David Edelsohn <edelsohn@gnu.org>
7504 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7505 define_insn_and_split.
7506 (plus_ltu<mode>_compare): Same.
7507 (gtu<mode>_compare): Same.
7508 (plus_gtu<mode>_compare): Same.
7510 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
7512 PR tree-optimization/22228
7513 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7515 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7516 are recorded in vect_vnames_to_rename for renaming.
7517 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7518 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7519 in vect_vnames_to_rename.
7520 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7521 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7523 2005-08-18 Jan Hubicka <jh@suse.cz>
7526 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7527 info only for local statics, not for member variables.
7529 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7531 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7533 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7535 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7537 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
7540 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7542 2005-08-17 James E Wilson <wilson@specifix.com>
7544 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7547 2005-08-17 David Edelsohn <edelsohn@gnu.org>
7549 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7550 (leu<mode>_compare): Same.
7551 (plus_leu<mode>): Same.
7552 (neg_leu<mode>): Same.
7553 (and_neg_leu<mode): Same.
7554 (ltu<mode>_compare): Same.
7555 (plus_ltu<mode>): Same.
7557 (geu<mode>_compare): Same.
7558 (plus_geu<mode>): Same.
7559 (neg_geu<mode>): Same.
7560 (and_neg_geu<mode>): Same.
7561 (plus_gt<mode>): Same.
7562 (gtu<mode>_compare): Same.
7563 (plus_gtu<mode>): Same.
7565 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
7567 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7568 Move call_table_data to end. Delete spurious .text.
7569 (callt_save_all_interrupt): Fix comment typo.
7571 2005-08-17 James E Wilson <wilson@specifix.com>
7572 Kevin Winchester <winchester@amirix.com>
7575 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7577 2005-08-17 Uros Bizjak <uros@kss-loka.si>
7580 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7581 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7583 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
7585 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7586 record with the type of its only member if the modes don't match.
7588 * varasm.c (decode_reg_name): Skip empty additional register names.
7590 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7592 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7593 lsm_tmp_name_length): New.
7594 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7595 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7597 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7598 Andreas Krebbel <krebbel1@de.ibm.com>
7600 * config.gcc: Added z9-109 switch.
7601 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7602 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7603 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7604 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7605 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7606 for "z9_109" cpu attribute.
7607 * config/s390/s390.c (z9_109_cost): New processor cost structure.
7608 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7609 (s390_handle_arch_option): Added z9-109 switch.
7610 (override_options): Set respective cost function for z9-109.
7611 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7612 (legitimate_reload_constant_p): Accept extended immediates.
7613 (print_operand): Three new output modifiers added: k, m and o.
7614 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7615 (s390_output_mi_thunk): Use extended immediate when possible.
7616 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7617 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7618 (CONSTRAINT_LEN): Added length of O constraint.
7619 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7620 * config/s390/s390.md ("cpu"): New value z9_109 added.
7621 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7622 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7623 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7624 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7625 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7626 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7627 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7628 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7629 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7630 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7631 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7632 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7633 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7634 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7635 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7637 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7638 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7639 insns for TARGET_EXTIMM.
7641 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
7643 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7645 2005-08-17 Nick Clifton <nickc@redhat.com>
7647 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7648 Call default_encode_section_info.
7650 2005-08-17 Steven Bosscher <stevenb@suse.de>
7652 PR tree-optimization/21574
7653 * tree-ssa-ccp.c (likely_value): If the right hand side is a
7654 constant, return CONSTANT.
7655 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7656 (ccp_fold, visit_assignment): Likewise.
7657 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7659 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7661 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7662 fold_buildN instead of buildN then fold_initializer or fold.
7663 (build_unary_op): Likewise.
7664 (build_binary_op): Likewise.
7665 * fold-const.c (fold_initializer): Remove.
7666 (fold_build1_initializer): New function.
7667 (fold_build2_initializer): New function.
7668 (fold_build3_initializer): New function.
7669 * tree.h (fold_initializer): Remove.
7670 (fold_build1_initializer): New function.
7671 (fold_build2_initializer): New function.
7672 (fold_build3_initializer): New function.
7674 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7676 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7677 (try_move_mult_to_index): Call fold_build2 instead of build2.
7678 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7679 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7680 fold_binary_to_constant.
7681 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7683 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7684 check if A == gcd (A, B). Remove TYPE argument.
7685 (analyze_offset) Use fold_build2 instead of fold (build.
7686 (create_data_ref): Likewise.
7687 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7688 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7691 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
7693 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7694 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7696 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
7699 * gimplify.c (zero_sized_type): New function.
7700 (gimplify_modify_expr_rhs): If we have a zero sized type,
7701 replace the statement with an empty statement.
7703 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
7705 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7708 2005-08-16 Ian Lance Taylor <ian@airs.com>
7710 * doc/tm.texi (Label Output): Correct typo.
7712 2005-08-16 Steven Bosscher <stevenb@suse.de>
7715 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7716 force_operand will work later on using have_insn_for.
7718 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7720 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7722 2005-08-16 Ian Lance Taylor <ian@airs.com>
7725 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7726 vector type, don't try to construct it element by element. Add an
7727 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7729 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7731 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7733 2005-08-16 Geoffrey Keating <geoffk@apple.com>
7735 * doc/invoke.texi (Precompiled Headers): Document some more options
7736 which are known to be safe.
7738 2005-08-16 James E Wilson <wilson@specifix.com>
7740 PR tree-optimization/21105
7741 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7742 TREE_OVERFLOW check.
7744 2005-08-16 David Edelsohn <edelsohn@gnu.org>
7746 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7747 (neg_ltu<mode>): Same.
7749 (neg_gtu<mode>): Same.
7751 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7753 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7754 (fold_builtin_isdigit): Use fold_buildN.
7755 (build_function_call_expr): Likewise.
7756 * c-typeck.c (c_finish_loop): Likewise.
7758 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
7759 Richard Shann <rshann@superh.com>
7761 PR middle-end/20396:
7762 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7764 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
7766 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7768 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
7771 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7772 arm_compure_save_reg0_reg12_mask to determine when the PIC register
7775 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7778 * fold-const.c (build_range_check): Disable optimization for function
7779 pointer expressions on targets that require function pointer
7782 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
7784 * simplify-rtx.c (simplify_const_relational_operation): When
7785 extracting arguments of a COMPARE, recompute the mode as well.
7787 2005-08-15 Ian Lance Taylor <ian@airs.com>
7789 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7791 2005-08-15 DJ Delorie <dj@redhat.com>
7793 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7795 (movsi_splittable): Allow, but split, moves to the stack.
7796 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7799 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7801 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7802 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7803 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7805 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7806 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7807 Delete HOST_PTR_PRINTF.
7809 * configure, config.in: Regenerate.
7811 2005-08-15 David Edelsohn <edelsohn@gnu.org>
7813 * config/rs6000/rs6000.md (QHSI): New mode macro.
7814 (wd): Extend mode attr for QImode and HImode
7815 (dbits): New mode attr.
7816 (zero_extend<mode>di2): Convert to mode macro.
7818 2005-08-15 Steve Ellcey <sje@cup.hp.com>
7821 * doc/invoke.texi (-mgnu-ld): Update description.
7824 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7827 * Makefile.in (tree-chrec.o): Depends on real.h.
7828 * tree-chrec.c: Include real.h.
7829 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7830 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7831 * tree-scalar-evolution.c (add_to_evolution_1,
7832 interpret_rhs_modify_expr): Ditto.
7834 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7837 * tree-data-ref.c (estimate_niter_from_size_of_data): When
7838 step is negative compute the estimation from init downwards to zero.
7840 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
7842 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7844 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7846 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7848 (legitimate_reload_constant_p): Fix handling of lliXX operands.
7849 Accept double-word constants that can be split.
7850 * config/s390/s390.md ("movti"): Use 'P' constraint.
7851 ("*movdi_31", "*movdf_31"): Likewise.
7853 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
7855 Fix PR tree-optimization/22615
7857 * tree-ssa-structalias.c (solution_set_add): Handle
7858 first_vi_for_offset returning NULL.
7859 (do_da_constraint): Ditto.
7860 (do_sd_constraint): Ditto.
7861 (do_ds_constraint): Ditto
7862 (find_func_aliases): Ditto.
7863 (build_constraint_graph): RHS is allowed be ANYTHING.
7864 (first_vi_for_offset): Return NULL if we couldn't find anything at
7867 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7869 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7870 over memory as first operand.
7872 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
7875 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7876 available for setting it.
7878 2005-08-14 Ira Rosen <irar@il.ibm.com>
7880 PR tree-optimization/23320
7881 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7882 data-refs' types instead of base object nullness. Add check for
7883 pointer type data-refs before first location comparison. Remove
7886 2005-08-14 Andreas Schwab <schwab@suse.de>
7888 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7890 2005-08-13 James E Wilson <wilson@specifix.com>
7892 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7893 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7894 -fstack-protector-all, --param ssp-buffer-size): Document.
7895 (-Wvariadic-macros): Alphabetize.
7896 (-fsched-stalled-insns-dep): Add missing 'f'.
7898 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7901 2005-08-13 David Edelsohn <edelsohn@gnu.org>
7903 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7904 or indirect address operand.
7905 (EXTRA_ADDRESS_CONSTRAINT): New.
7906 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7908 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
7910 PR tree-optimization/22236
7911 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7912 successors and predecessors.
7913 * tree-chrec.c (chrec_convert): Before converting, check that
7914 sequences don't wrap.
7915 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7916 (analyze_array): Extern.
7917 (find_data_references_in_loop): Remove call to
7918 compute_estimated_nb_iterations.
7919 * tree-data-ref.h (analyze_array): Declared.
7920 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7921 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7922 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7923 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7925 * tree-ssa-loop-ivcanon.c: Fix documentation.
7926 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7927 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7928 (infer_loop_bounds_from_undefined): New.
7929 (estimate_numbers_of_iterations_loop): Use
7930 infer_loop_bounds_from_undefined.
7931 (used_in_pointer_arithmetic_p): New.
7932 (scev_probably_wraps_p): Pass an extra parameter. Call
7933 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
7934 (convert_step): Fix documentation.
7935 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7936 Use initial_condition_in_loop_num and evolution_part_in_loop_num
7937 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
7938 scev_probably_wraps_p.
7940 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
7942 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7943 (s390_register_info): Ignore clobbered_regs information for fixed
7944 registers, and only fixed registers.
7945 (s390_init_frame_layout): Remove redundant call.
7947 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
7949 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7950 description of -Wold-style-casts.
7952 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7953 Jakub Jelinek <jakub@redhat.com>
7955 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7956 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7957 * config/s390/s390.c (print_operand): New output modifier 'G' added.
7958 (get_thread_pointer): Renamed to s390_get_thread_pointer.
7959 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7960 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7961 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7962 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7963 ("stack_protect_set", "stack_protect_test"): New expanders.
7964 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7965 "stack_protect_testdi"): New insn definitions.
7967 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7969 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7971 2005-08-12 Paul Brook <paul@codesourcery.com>
7973 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7975 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7977 * config/s390/predicates.md (setmem_operand): New predicate.
7978 (shift_count_operand): Accept ANDs with special constants as
7980 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7981 with special constants.
7982 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7983 shift_count_operand with setmem_operand.
7985 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7987 * config/s390/s390.c (s390_extract_part, s390_single_part):
7989 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7990 (s390_output_mi_thunk): Don't use lg on 31 bit.
7991 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7992 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7994 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7996 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7997 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7998 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7999 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8000 with one of the new macros.
8002 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
8004 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8005 Don't set save_return_addr_p.
8006 (s390_register_info): Make clobbered_regs not depending on
8009 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
8011 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8012 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8014 2005-08-11 James E. Wilson <wilson@specifix.com>
8016 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8018 2005-08-11 Jakub Jelinek <jakub@redhat.com>
8020 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8021 locations gathered by var-tracking in single entry loc_list
8022 over loc_descriptor_from_tree.
8024 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8025 pass it down to loc_descriptor.
8026 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8027 (containing_function_has_frame_base): Move earlier in the file.
8028 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8029 instead of always assuming fbreg can't be used.
8031 2005-08-11 David Edelsohn <edelsohn@gnu.org>
8033 * config/rs6000/altivec.md: Change constraint "m" to "Z".
8034 * config/rs6000/predicates.md (indexed_or_indirect_operand):
8035 Accept address wrapped in AND for Altivec.
8036 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8037 Strip AND wrapping offset address for Altivec.
8039 2005-08-11 Richard Henderson <rth@redhat.com>
8042 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8043 before using TYPE_IS_SIZETYPE.
8045 2005-08-11 Richard Henderson <rth@redhat.com>
8048 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8049 insn types not present on ev4.
8050 (alphaev5_insn_pipe): Similarly.
8052 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
8055 * arm.c (arm_override_options): If the user has selected callee-super-
8056 interworking, then enable normal interworking.
8058 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8060 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8063 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
8065 * doc/rtl.texi: Fix two typos.
8067 2005-08-11 Richard Guenther <rguenther@suse.de>
8070 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8071 cases where we call to/from functions returning void.
8073 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
8076 * tree.c (build_pointer_type_for_mode): Robustify.
8078 2005-08-10 James E Wilson <wilson@specifix.com>
8080 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8081 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8083 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8086 2005-08-10 Eric Christopher <echristo@apple.com>
8088 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8089 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8092 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
8095 * config/darwin.c (machopic_indirect_data_reference): Use a new register
8096 for the high part when generating dynamic-no-pic code.
8098 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
8100 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8101 (x86_64-*-linux*): Likewise.
8103 * config/i386/crtfastmath.c: New file.
8104 * config/i386/t-crtfm: Likewise.
8106 * config/i386/linux.h (ENDFILE_SPEC): New.
8107 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8109 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8112 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
8114 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8115 (vec_shl, vec_shr): Document new operations.
8116 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8118 2005-08-10 David Edelsohn <edelsohn@gnu.org>
8120 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8121 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8122 change predicate to indexed_or_indirect_address.
8124 2005-08-10 Richard Sandiford <richard@codesourcery.com>
8126 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8127 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8128 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8129 and __aeabi_uwrite8.
8130 * config/arm/unaligned-funcs.c: New file.
8131 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8133 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
8135 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8137 * cfglayout.c (pass_insn_locators_initialize): Add dump.
8138 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8140 * except.c (pass_convert_to_eh_region_ranges): Add dump.
8141 * final.c (pass_shorten_branches): Add dump.
8142 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8143 (pass_life): Rename dump.
8144 (rest_of_handle_flow2): Remove initial verify_flow_info.
8145 * function.c (pass_instantiate_virtual_regs): Add dump.
8146 * integrate.c (pass_initial_value_sets): Add dump.
8147 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8148 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8149 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8150 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8151 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8152 gate_rtl_unrool_and_peel_loops): New.
8153 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8154 rtl_doloop): Do not look at flags.
8155 * mode-switching.c (pass_mode_switching): Add dump.
8156 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8157 pass_split_before_regstack): Add dump.
8158 * regmove.c (pass_stack_adjustments): Add dump.
8159 * tree-optimize.c (pass_fixup_cfg): Add dump.
8161 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8164 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8165 deciding which instruction sequence to use.
8167 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
8169 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8170 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8172 2005-08-09 Richard Guenther <rguenther@suse.de>
8174 * c-common.c (builtin_function_2): Remove.
8175 (def_builtin_1): New function.
8176 (c_common_nodes_and_builtins): Use def_builtin_1 to
8177 build builtin functions.
8179 2005-08-09 Jie Zhang <jie.zhang@analog.com>
8181 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8182 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8183 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8186 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8188 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8189 fold_binary instead of fold_build2 since we don't care about the
8191 (loop_niter_by_eval): Likewise.
8192 (compare_trees): Likewise.
8193 (proved_non_wrapping_p): Likewise.
8195 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
8199 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8200 if the if is really empty.
8202 2005-08-09 Steven Bosscher <stevenb@suse.de>
8204 PR tree-optimization/23234
8205 * tree-ssa-math-opts.c (place_reciprocal): New enum.
8206 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8207 argument of the new enum.
8208 (execute_cse_reciprocals): Add reciprocals for function arguments
8209 on the unique successor edge of the entry block. Update other calls
8210 to execute_cse_reciprocals_1.
8212 2005-08-08 Richard Henderson <rth@redhat.com>
8215 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8217 2005-08-08 Bob Wilson <bob.wilson@acm.org>
8219 * expr.c (write_complex_part): Return after handling MEM.
8221 2005-08-08 Josh Conner <jconner@apple.com>
8223 PR rtl-optimization/23241
8224 * combine.c (simplify_comparison): Fix error in determining
8225 whether to lift a subreg from comparison.
8227 2005-08-08 David Edelsohn <edelsohn@gnu.org>
8230 * config/rs6000/altivec.md (vec_init<mode>): New.
8231 (vec_set<mode>): New.
8232 (vec_extract<mode>): New.
8233 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8234 (rs6000_expand_vector_set): New.
8235 (rs6000_expand_vector_extract): New.
8236 (rs6000_legitimate_offset_address_p): Offset addresses are valid
8237 for Altivec modes before reload.
8238 (altivec_expand_vec_init_builtin): New.
8239 (get_element_number): New.
8240 (altivec_expand_vec_set_builtin): New.
8241 (altivec_expand_vec_ext_builtin): New.
8242 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8244 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8246 * config/rs6000/rs6000.h (rs6000_builtins): Add
8247 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8248 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8249 * config/rs6000/rs6000-protos.h: Declare new functions.
8251 2005-08-08 Jan Hubicka <jh@suse.cz>
8253 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8254 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8255 * i386.md (movdi*): Use pic_32bit_operand.
8256 * predicates.md (pic_32bit_operand): New.
8258 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
8261 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8263 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
8265 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8266 (test_for_singularity): Use fold_build2.
8268 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8270 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8272 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
8274 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8275 (COMMON_ASM_OP) Define.
8276 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8277 (ix86_encode_section_info): Likewise.
8278 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8279 SUBTARGET_ENCODE_SECTION_INFO.
8281 2005-08-06 Richard Henderson <rth@redhat.com>
8284 * tree-nested.c (convert_local_reference): Save and restore val_only
8285 around component_ref and friends. Clear walk_subtrees by default.
8287 2005-08-06 Peter O'Gorman <peter@pogma.com>
8290 * gcc.c (process_command): Check the argument to -b has a dash.
8291 * doc/invoke.texi: Update -b and -V docs.
8293 2005-08-06 James E Wilson <wilson@specifix.com>
8295 * config/mips/cross64.h, config/mips/t-cross64: Delete.
8297 2005-08-06 Michael Matz <matz@suse.de>
8299 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8300 member only if only one insn is associated with the value.
8302 2005-08-06 Nick Clifton <nickc@redhat.com>
8304 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8306 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8307 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8308 Check symbol flags instead of symbol name mangling.
8309 (xstormy16_asm_output_aligned_common): Likewise. Also
8310 simplify code since the bss100_section cass is the only case
8311 where the below100 code will be triggered.
8312 (xstormy16_encode_section_info): Encode below100 attribute
8313 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8315 (xstormy16_strip_name_encoding): Delete - this function is no
8317 (TARGET_STRIP_NAME_ENCODING): Undefine.
8318 * config/stormy16/stormy16-protos.h: Delete prototype for
8319 xstormy16_strip_name_encoding.
8321 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
8323 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8324 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8325 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8326 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8327 config/alpha/predicates.md, config/arc/arc.h,
8328 config/arm/arm.h, config/arm/ieee754-df.S,
8329 config/arm/ieee754-sf.S, config/bfin/bfin.c,
8330 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8331 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8332 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8333 config/m68hc11/m68hc11.h, config/mips/mips.c,
8334 config/mips/mips.h, config/mips/openbsd.h,
8335 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8336 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8337 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8338 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8339 config/sparc/linux.h, config/sparc/linux64.h,
8340 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8341 doc/extend.texi, doc/gcov.texi, doc/install.texi,
8342 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8343 typos. Follow spelling conventions.
8345 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
8348 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8349 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8350 specially. Check for side effects only for COND_EXPR.
8351 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8352 return with TREE_NO_WARNING.
8354 2005-08-06 Richard Sandiford <richard@codesourcery.com>
8356 PR rtl-optimization/23233
8357 * loop.c (combine_movables): Require the modes to be the same.
8358 (move_movables): Remove handling of cases where the replacement
8359 had a different mode to the original.
8361 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
8363 PR tree-optimization/23128
8364 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8365 subtraction wrap, and set TREE_OVERFLOW if they do.
8367 2005-08-05 Richard Henderson <rth@redhat.com>
8370 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8371 FORCED_LABEL labels.
8373 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
8376 * reload.c (find_reloads_subreg_address): Pass down TYPE
8377 unchanged. Change all callers except find_reloads_toplev.
8379 2005-08-05 Michael Matz <matz@suse.de>
8381 * genattrtab.c (current_alternative_string): Remove.
8382 (SIMPLIFY_ALTERNATIVE): Ditto.
8383 (attr_alt_bit_p): Ditto.
8384 (alternative_name): Make const char *.
8385 (evaluate_eq_attr): Remove use of above things.
8386 (simplify_test_exp): Ditto.
8387 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8388 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8390 2005-08-04 James E Wilson <wilson@specifix.com>
8392 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8393 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8394 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8395 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8396 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8398 2005-08-04 Richard Henderson <rth@redhat.com>
8401 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8402 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8403 * tree-sra.c (decide_block_copy): Use it. Disable element copy
8404 if we'd have to instantiate too many members.
8406 2005-08-04 Richard Henderson <rth@redhat.com>
8409 * tree-outof-ssa.c (coalesce_asm_operands): New.
8410 (coalesce_ssa_name): Use it. Split out ...
8411 (coalesce_phi_operands, coalesce_result_decls): ... these.
8413 2005-08-04 Paul Brook <paul@codesourcery.com>
8415 * read-rtl.c (read_quoted_string): Break if EOF.
8417 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
8419 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8420 (fold_build2): Likewise.
8421 (fold_build3): Likewise.
8422 (fold_build1_stat): New function prototype.
8423 (fold_build2_stat): Likewise.
8424 (fold_build3_stat): Likewise.
8425 * fold-const.c (fold_build1): Rename to ..
8426 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8427 through to build1_stat.
8428 (fold_build2): Rename to ..
8429 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8430 through to build2_stat.
8431 (fold_build3): Rename to ..
8432 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
8433 through to build3_stat.
8435 2005-08-04 David Edelsohn <edelsohn@gnu.org>
8436 Ian Lance Taylor <ian@airs.com>
8438 * function.c (assign_stack_local_1): Do not correct stack slot
8439 address if allocation size is smaller than mode size.
8441 2005-08-04 Diego Novillo <dnovillo@redhat.com>
8444 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8445 (tree_merge_blocks): Propagate anything allowed by
8447 Clarify documentation.
8448 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8449 SSA form, schedule an update if necessary.
8451 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
8453 * doc/install.texi (Binaries): Remove broken link to
8454 Sinix/Reliant Unix binaries.
8456 2005-08-03 Richard Henderson <rth@redhat.com>
8459 * function.c (stack_protect_epilogue): Export.
8460 * tree.h (stack_protect_epilogue): Declare.
8461 * calls.c (expand_call): Call it.
8463 2005-08-03 Eric Christopher <echristo@apple.com>
8465 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8466 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8469 2005-08-04 Jan Hubicka <jh@suse.cz>
8471 * profile.c (branch_prob): Split edges with goto locus on them
8472 to get proper line counts.
8473 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8475 2005-08-03 Paul Brook <paul@codesourcery.com>
8477 * function.c (assign_parms): Round current_function_args_size
8478 to PARM_BOUNDARY, not STACK_BOUNDARY.
8480 2005-08-03 Geoffrey Keating <geoffk@apple.com>
8482 * config/i386/i386.c (x86_elf_aligned_common)
8483 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8485 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
8487 PR tree-optimization/23157
8488 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8489 before emitting them.
8491 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8493 PR tree-optimization/19899
8494 * Makefile.in (tree-scalar-evolution.o): Add real.h.
8495 * tree-scalar-evolution.c: Include real.h.
8496 (add_to_evolution): Build constant -1 of correct type.
8498 2005-08-03 Jan Hubicka <jh@suse.cz>
8500 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8501 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8502 profile updating for complette unrolling.
8503 * loop-unroll.c (peel_loop_completely): Use it.
8504 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8505 (tree_unroll_loops_completely): Disable code growing unrolling of cold
8508 2005-08-03 Paul Brook <paul@codesourcery.com>
8510 * combine.c (can_change_dest_mode): New function.
8511 (try_combine, simplify_set): Use it.
8513 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
8515 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8518 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
8520 * doc/install.texi (Specific): Adjust link to openavr.org.
8521 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8522 (Binaries): Adjust HP-UX Porting Center link.
8523 (Binaries): Adjust Free Software Foundation ordering link.
8525 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
8527 * convert.c (convert_to_integer): Use fold_build1 instead of
8528 build1 when converting an integer to an integer.
8530 2005-08-02 Richard Henderson <rth@redhat.com>
8532 * combine.c (combine_instructions): Don't use reg_equal/equiv
8533 results if the mode doesn't match.
8535 2005-08-02 Mark Mitchell <mark@codesourcery.com>
8537 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8538 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8540 2005-08-02 Richard Henderson <rth@redhat.com>
8543 * explow.c (memory_address): Remove special-case for
8544 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8546 2005-08-02 Diego Novillo <dnovillo@redhat.com>
8549 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8550 number of calls to cleanup_tree_cfg_1.
8552 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
8554 * doc/invoke.texi: document file extensions .F90 and .F95
8556 2005-08-02 Richard Guenther <rguenther@suse.de>
8558 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8559 positive if its first argument is positive.
8561 2005-08-02 Richard Guenther <rguenther@suse.de>
8563 PR tree-optimization/23177
8564 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8567 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
8569 PR tree-optimization/23129
8570 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8571 varying for divisions with anti-ranges.
8573 2005-08-02 Jan Hubicka <jh@suse.cz>
8575 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8576 * tree-ssa-threadupdate.c (thread_block): Add it here.
8578 2005-08-01 James E Wilson <wilson@specifix.com>
8580 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8581 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8582 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8584 * config/mips/predicates.md (const_call_insn_operand): Add check for
8585 SYMBOL_REF_LONG_CALL_P.
8586 * doc/extend.texi (long_call): Document the new attribute.
8588 2005-08-01 Ian Lance Taylor <ian@airs.com>
8589 Richard Henderson <rth@redhat.com>
8591 * Makefile.in (RTL_BASE_H): Add real.h.
8592 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8594 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8596 * rtl.c (rtl_check_failed_code_mode): New.
8597 * rtl.h (struct rtx_def): Add u.rv.
8598 (XCMWINT, XCNMPRV): New.
8599 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8600 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8602 2005-08-01 Richard Henderson <rth@redhat.com>
8604 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8605 with auto-inc codes.
8607 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8609 2005-08-01 Jan Hubicka <jh@suse.cz>
8611 * i386-protos.h (asm_preferred_eh_data_format): Declare.
8612 * i386.c: Include dwarf2.h
8613 (asm_preferred_eh_data_format): New.
8614 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8616 2005-08-01 Ian Lance Taylor <ian@airs.com>
8618 * config/host-linux.c (linux_gt_pch_get_address): Add new name
8619 randomize_va_space for virtual address randomization control.
8621 2005-08-01 Steven Bosscher <stevenb@suse.de>
8623 * common.opt (flag_ipa_cp): Put in right place to maintain
8626 2005-08-01 Jan Hubicka <jh@suse.cz>
8628 * profile.c (compute_value_histograms): Fix thinko.
8629 * value-prof.c: Include toplev.h
8630 (check_counter): New function.
8631 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8632 tree_mod_subtract_transform): Add sanity check.
8634 2005-08-01 Richard Guenther <rguenther@suse.de>
8636 PR tree-optimization/23133
8637 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8638 current functions parameter decls to find defs to cse
8641 2005-08-01 Richard Guenther <rguenther@suse.de>
8643 PR tree-optimization/23109
8644 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8645 If trapping math is in effect, use post-dominator information
8646 to check if we'd in any case reach a trapping point before
8647 doing the reciprocal insertion.
8648 (execute_cse_reciprocals): Compute post-dominators, if necessary.
8649 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8650 expressions are invariant only if trapping math is not in effect.
8652 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8654 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8655 cgraph_function_versioning): New declarations.
8656 * cgraphunit.c: Add include to ipa-prop.h.
8657 (update_call_expr, cgraph_copy_node_for_versioning,
8658 cgraph_function_versioning): New functions.
8659 * integrate.c (copy_decl_for_inlining): Remove.
8660 * ipa-prop.h (ipa_replace_map): New struct.
8661 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8662 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8663 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8664 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8665 ipcp_iterate_stage, ipcp_method_scale_print,
8666 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8667 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8668 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8669 ipcp_update_bb_counts, ipcp_update_profiling,
8670 ipcp_update_edges_counts): New functions.
8671 (ipcp_method_cval_init): Remove restriction regarding local methods.
8672 (ipcp_init_stage): Add ipcp_method_compute_scale.
8673 (ipcp_insert_stage): Add versioning.
8674 (ipcp_structures_print): Add ipcp_method_scale_print.
8675 (ipcp_driver): Dump profiling info.
8676 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8677 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8678 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8679 (struct inline_data): Add versioning_p, ipa_info, new fields.
8680 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8681 declare_return_variable): Replace calls to copy_decl_for_inlining with
8683 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8685 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8686 Add argument VERSIONING.
8687 (copy_arguments_for_versioning, copy_static_chain,
8688 function_versionable_p, tree_versionable_function_p,
8689 tree_function_versioning, replace_ref_tree): New functions.
8690 * tree-inline.h: Include varray.h.
8691 (tree_versionable_function_p, tree_function_versioning,
8692 tree copy_decl_for_dup): New declarations.
8694 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8696 * ipa-cp.c: New file. Contains IPCP specific functionality.
8697 * ipa-prop.h: New file. Contains structures/definitions that can be
8698 used by several interprocedural data flow optimizations (and also IPCP).
8699 * ipa-prop.c: New file.
8700 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8701 * common.opt: Add ipa-cp flag.
8702 * timevar.def: Add IPCP optimization.
8703 * tree-optimize.c (init_tree_optimization_passes): Schedule
8705 * tree-pass.h (pass_ipa_cp): Declare.
8707 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
8709 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8710 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8711 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8712 config/i386/i386.c, config/mips/mips.h,
8713 config/rs6000/rs6000.h, config/sh/sh.c,
8714 config/stormy16/stormy16.c: Fix comment typos.
8716 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
8719 * c-typeck.c (build_binary_op): Use common_type wrapper on
8721 (common_type): Update comment.
8723 2005-07-31 Steven Bosscher <stevenb@suse.de>
8726 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8727 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8728 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8730 2005-07-31 Jan Hubicka <jh@suse.cz>
8732 * pretty-print.h (pp_widest_integer): New macro.
8733 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8736 2005-07-31 Jan Hubicka <jh@suse.cz>
8738 * output.h (enum section_category): Export from varasm.c
8739 (categorize_decl_for_section): Likewise.
8740 * varasm.c (enum section_category): Kill.
8741 (categorize_decl_for_section): Make global.
8742 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8744 * i386.c (ix86_section_threshold): New static variable.
8745 (ix86_in_large_data_p, ix86_encode_section_info,
8746 x86_64_elf_unique_section,
8747 x86_64_elf_select_section): New functions.
8748 (TARGET_ENCODE_SECTION_INFO): Define
8749 (override_options): Enable medium model for PIC.
8750 (ix86_expand_prologue): Expand gen_set_got_rex64.
8751 (legitimate_constant_p): Handle new UNSPECs.
8752 (legitimate_pic_address_disp_p): Likewise.
8753 (legitimize_pic_address): Lower MEDIUM model addressing.
8754 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8755 (enum cmodel): Add MEDIUM_PIC.
8756 (SYMBOL_REF_FAR_ADDR_P): New macro.
8757 (SYMBOL_FLAG_FAR_ADDR): New flag.
8758 * i386.md (movdi): Support medium model.
8759 (set_got_rex64): New pattern.
8760 * i386.opt (mlarge-data-threshold): New flag.
8761 * predicates.md (zext_operand/sext_operand): Deal with medium model.
8762 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8763 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8764 TARGET_ASM_UNIQUE_SECTION): New.
8766 * invoke.texi (-mlarge_data_threshold): Document
8768 2005-07-31 Jan Hubicka <jh@suse.cz>
8770 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8771 (coalesce_vars): Likewise.
8772 * tree-ssa-live.c (coalesce_cost): New.
8773 (build_tree_conflict_graph): Use coalesce_cost.
8774 * tree-ssa-live.h (coalesce_cost): Declare.
8776 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
8778 * arm.md (all peepholes for post-increment operations): Delete.
8779 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8780 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8781 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8782 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8783 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8785 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
8787 * fold-const.c (tree_expr_nonnegative_p): Always return true for
8790 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
8793 * doc/invoke.texi: Document -rdynamic.
8795 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
8798 * c-parser.c (c_parser_parms_list_declarator): Call
8799 mark_forward_parm_decls.
8800 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8801 decls with visibility structure.
8803 2005-07-30 Paul Brook <paul@codesourcery.com>
8805 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8807 2005-07-30 Paul Brook <paul@codesourcery.com>
8809 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8811 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8813 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8815 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8818 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8819 nested function declarators.
8820 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8821 (grokparms): Call warn_if_shadowing for parameters used within the
8823 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8824 not used within the parameter list.
8825 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8827 2005-07-30 Jan Hubicka <jh@suse.cz>
8829 * expr.c (expand_expr_real_1): Do not load mem targets into register.
8830 * i386.c (ix86_fixup_binary_operands): Likewise.
8831 (ix86_expand_unary_operator): Likewise.
8832 (ix86_expand_fp_absneg_operator): Likewise.
8833 * optabs.c (expand_vec_cond_expr): Validate dest.
8835 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8838 * real.c (real_from_string): Also set last bit if there is a
8839 nonzero hex digit beyond GCC's internal precision after ".".
8841 2005-07-29 David Edelsohn <edelsohn@gnu.org>
8843 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8844 define_constants. Change duplicate values to unassigned numbers.
8845 Change UNSPEC_SUBS to UNSPEC_VSUBS.
8846 (*altivec_vspltsf): New.
8847 (altivec_vperm_v4sf): Delete.
8848 (altivec_vperm_<mode>): Use mode macro V.
8849 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8850 (altivec_predicate_v4sf): Delete.
8851 (altivec_predicate_<mode>): Use mode macro V.
8852 (*altivec_lvesfx): New.
8853 (*altivec_stvesfx): New.
8854 (vec_realign_load_v4sf): Delete.
8855 (vec_realign_load_<mode>): Use mode macro V.
8856 * config/rs6000/rs6000.c (generate_set_vrsave): Use
8859 2005-07-29 Mark Mitchell <mark@codesourcery.com>
8862 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8864 * configure: Regenerated.
8866 2005-07-29 Paul Brook <paul@codesourcery.com>
8868 * doc/install.texi: Add link to GFortran binaries wiki page.
8870 2005-07-29 David Ung <davidu@mips.com>
8872 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8873 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8874 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8875 * config/mips/mips.md (cpu): Add 5kf name.
8876 (includes): Includes 5k.md.
8877 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8878 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8881 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8884 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8885 (cleanup_tree_cfg): ... here.
8886 Call cleanup_tree_cfg_1 until there are no more cleanups to
8889 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
8891 * tree-vrp.c (compare_range_with_value): Return true or false
8892 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8893 EQ_EXPR respectively.
8895 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
8897 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8900 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8902 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8903 (tree_ssa_dominator_optimize): Increment it.
8904 (dump_dominator_optimization_stats): Print it.
8906 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
8907 Steven Bosscher <stevenb@suse.de>
8909 PR rtl-optimization/23117
8910 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8911 when head == tail. Tidy comment.
8913 2005-07-28 Richard Henderson <rth@redhat.com>
8915 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8916 * cselib.c (rtx_equal_for_cselib_p): Likewise.
8917 * jump.c (rtx_renumbered_equal_p): Likewise.
8918 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8919 CONST_INT and CONST_DOUBLE.
8920 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8921 * reload.c (operands_match_p): Special case CONST_INT and
8922 CONST_DOUBLE; check mode earlier.
8924 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8927 * c-typeck.c (convert_for_assignment): Do not check
8928 DECL_IN_SYSTEM_HEADER on NULL fundecl.
8930 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8933 * c-typeck.c (composite_type): Prefer constant size arrays to
8936 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8939 * real.c (real_from_string): Set last bit if there is a nonzero
8940 hex digit beyond GCC's internal precision.
8942 2005-07-28 Richard Henderson <rth@redhat.com>
8945 * cfgcleanup.c (try_forward_edges): Watch out for end of
8948 2005-07-28 James E Wilson <wilson@specifixinc.com>
8951 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8953 2005-07-28 Jan Hubicka <jh@suse.cz>
8955 * Makefile.in (rtl-profile.o): Kill all traces of it.
8956 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8957 * coverage.h (rtl_coverage_counter_ref): Kill.
8958 * opts.c (flag_speculative_prefetching_set): Kill.
8959 (flag_loop_optimize_set): New.
8960 (common_handle_option): Disable loop optimizer when profiling;
8961 do not handle speculative prefetching.
8962 * passes.c (init_optimization_passes): Replace pass_profiling combo
8963 by branch_prob pass.
8964 * profile.c (compute_value_histograms): Update for simplified value
8966 (rtl_register_profile_hooks): Kill.
8967 (pass_profiling): Kill.
8968 (rest_of_handle_branch_prob): Do not profile.
8969 * toplev.c (process_options): Remove speculative prefetching.
8970 * toplev.h (flag_tree_based_profiling): Kill.
8971 * tree-profile.c (prepare_instrumented_value,
8972 tree_gen_interval_profiler, tree_gen_pow2_profiler,
8973 tree_gen_one_value_profiler, do_tree_profiling): Update for
8974 simplified datastructures.
8975 * value-prof.c: Add comment that speculative prefetching was dropped;
8976 update rest of file for simplified datastructures.
8977 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8978 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8979 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8980 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8981 rtl_mod_subtract, gen_speculative_prefetch,
8982 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8983 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8984 (gate_handle_value_profile_transformations,
8985 rest_of_handle_value_profile_transformations,
8986 pass_value_profile_transformations): Kill.
8987 * value-prof.h (histogram_value_t): Remove IL based unions.
8988 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8989 rtl_profile_hooks): Remove hooks.
8991 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8993 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8994 (cgraph_clone_node): Likewise.
8995 * cgraph.h (cgraph_clone_edge): Update prototype.
8996 (cgraph_clone_node): Likewise.
8997 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8999 (lookup_recursive_calls): Consider profile.
9000 (cgraph_decide_recursive_inlining): Fix updating; use new
9001 probability argument; use profile.
9002 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9003 * tree-inline.c (copy_bb): Update clal of clone_edge.
9004 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9006 * invoke.texi (min-inline-recursive-probability): Document.
9008 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
9010 * doc/install.texi (Configuration): Update Valgrind homepage.
9012 2005-07-28 Richard Henderson <rth@redhat.com>
9015 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9016 labels we want to delete.
9017 (cfg_layout_merge_blocks): Likewise.
9019 2005-07-28 Richard Henderson <rth@redhat.com>
9022 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9023 when expanding to nothing.
9025 2005-07-28 Josh Conner <jconner@apple.com>
9027 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9028 (cgraph_decide_inlining_of_small_functions): Likewise.
9030 2005-07-28 Josh Conner <jconner@apple.com>
9032 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
9033 direction of badness if negative.
9034 (cgraph_default_inline_p): Add reason to parameters, and assign it
9036 (cgraph_decide_inlining_of_small_functions): New parameter in call
9037 to cgraph_default_inline_p.
9038 (cgraph_decide_inlining_incrementally): Likewise.
9039 * cgraphunit.c (decide_is_function_needed): Likewise.
9040 * cgraph.h (cgraph_default_inline_p): Likewise.
9042 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9044 * builtins.c: Fix comment typo(s).
9045 * genautomata.c: Likewise.
9046 * gimplify.c: Likewise.
9047 * tree-dfa.c: Likewise.
9048 * tree-flow-inline.h: Likewise.
9049 * tree-into-ssa.c: Likewise.
9050 * tree-ssa-alias.c: Likewise.
9051 * tree-ssa-ccp.c: Likewise.
9052 * tree-ssa-copy.c: Likewise.
9053 * tree-ssa-dce.c: Likewise.
9054 * tree-ssa-dom.c: Likewise.
9055 * tree-ssa-operands.c: Likewise.
9056 * tree-tailcall.c: Likewise.
9057 * tree-vectorizer.c: Likewise.
9058 * tree-vrp.c: Likewise.
9061 2005-07-28 Jeff Law <law@redhat.com>
9063 * tree-vrp.c (test_for_singularity): Extracted from ...
9064 (simplify_cond_using_ranges): Attempt to simplify a relational
9065 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
9067 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
9069 PR tree-optimization/22506
9070 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9071 phis whose argument is constant.
9073 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
9075 PR rtl-optimization/18992
9076 Back out this patch:
9077 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9078 PR optimization/12142
9079 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9080 uses of the register in the SET_SRC. Remove unnecessary argument.
9082 Replace it with this:
9083 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9084 if flag_non_call_exceptions is set and the insn may trap, pass
9085 pc_rtx as dest for recursion.
9086 In SET_SRC part of SET case, if dest is already set, pass it down
9089 2005-07-28 Jan Hubicka <jh@suse.cz>
9091 * cfg.c (update_bb_profile_for_threading): Use RDIV.
9092 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9093 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9095 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9096 profile when available.
9098 2005-07-28 Jan Beulich <jbeulich@novell.com>
9100 * config/ia64/ia64.c (ia64_load_pair_ok): New.
9101 (ia64_print_operand): Describe and handle 'X'.
9102 (ia64_register_move_cost): Also handle FP_REGS.
9103 (ia64_preferred_reload_class): Likewise.
9104 (ia64_secondary_reload_class): Likewise.
9105 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9106 it. Also check for ITANIUM_CLASS_FLDP.
9107 * config/ia64/ia64.h (FP_REGNO_P): New.
9108 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9109 (reg_class): Add FP_REGS.
9110 (REG_CLASS_NAMES): Adjust for it.
9111 (REG_CLASS_CONTENTS): Likewise.
9112 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9113 (REG_CLASS_FROM_LETTER): Handle 'x'.
9114 (CLASS_MAX_NREGS): Handle FP_REGS.
9115 (MEMORY_MOVE_COST): Likewise.
9116 * config/ia64/ia64.md (itanium_class): Add fldp.
9117 (type): Handle fldp.
9118 (movti_internal): More allowable operand combinations. Use ldfp8 when
9119 splitting unnecessary. Remove predicable attribute. Adjust
9120 itanium_class attribute.
9121 (smuldi3_highpart): Remove outdated comment.
9122 (mulditi3, umulditi3, rotlti3): New expanders.
9123 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9124 (absti2): Disabled new insn for future reference.
9125 Respective new splitters.
9126 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9127 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9128 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9130 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
9132 PR rtl-optimization/23047
9133 * simplify-rtx.c (simplify_const_relational_operation): Respect
9134 flag_wrapv for comparisons with ABS.
9136 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
9138 PR tree-optimization/22493
9139 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9140 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9142 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
9144 * config/frv/frv.opt (moptimize-membar): New.
9146 * doc/invoke.texi: Document -moptimize-membar and its inverse.
9148 * config/frv/frv.h: Remove machine_function definition.
9150 * config/frv/frv.c (struct frv_io): New.
9151 (struct machine_function): Moved from frv.h. Add has_membar_p.
9152 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9153 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9154 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9155 (frv_optimize_membar_global, frv_optimize_membar): New functions.
9156 (frv_reorg): Call frv_optimize_membar when appropriate.
9157 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9158 (frv_expand_builtin): Adjust calls accordingly.
9159 (frv_io_address_cookie): New function.
9160 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9161 load or store rather than a special insn. Add ccnstant address and
9162 io-type operands to the membar.
9163 (frv_ifcvt_modify_tests): Unsign regno.
9164 (frv_ifcvt_modify_tests): Same.
9166 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
9167 UNSPEC_OPTIONAL_MEMBAR constant.
9168 (builtin_read_<mode>): Delete.
9169 (builtin_write_<mode>): Delete.
9170 ("optional_membar_<mode>"): Add operand.
9172 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9173 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9174 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9175 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9176 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9177 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9178 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9179 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9180 * testsuite/gcc.target/frv/all-read-write-1.c: New.
9182 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
9184 * df.c (df_uses_record): Handle SCRATCH.
9186 2005-07-28 Steven Bosscher <stevenb@suse.de>
9189 * passes.c (rest_of_decl_compilation): If decl is a type and
9190 we have encountered errors, don't emit debug information.
9192 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9194 * params.def: Fixed comment.
9196 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
9199 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9200 (TARGET_ASM_UNALIGNED_HI_OP): Add.
9201 (TARGET_ASM_UNALIGNED_SI_OP): Add.
9203 2005-07-27 Steven Bosscher <stevenb@suse.de>
9206 * varasm.c (assemble_start_function): Don't do anything that may
9207 require a CFG if the current function is a thunk.
9209 2005-07-25 Geoffrey Keating <geoffk@apple.com>
9211 * doc/install.texi (Prerequisites): Mention that perl is needed
9212 to do export control in libstdc++ targetting Darwin.
9214 2005-07-27 Steven Bosscher <stevenb@suse.de>
9216 PR rtl-optimization/17808
9217 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9218 (sched_insns_conditions_mutex_p): Split out from...
9219 (add_dependence): ...here. But don't call it from here.
9220 (add_dependence_list): Check sched_insns_conditions_mutex_p
9221 before calling add_dependence.
9222 (add_dependence_list_and_free): Likewise.
9223 (fixup_sched_groups): Likewise.
9224 (sched_analyze_1): Likewise.
9225 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9226 (sched_analyze): Likewise.
9227 (sched_analyze_insn): Likewise.
9228 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9229 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
9230 dependencies on all COND_EXEC insns to jumps ending basic blocks
9231 when doing intrablock scheduling.
9232 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9234 2005-07-27 Jeff Law <law@redhat.com>
9236 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9237 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
9238 equivalency sets, correctly handle the case were vr0 has an
9239 equivalency set, but vr1 does not.
9241 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
9243 PR tree-optimization/23073
9244 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9245 vect_print_dump_info before fprintf.
9247 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9249 PR tree-optimize/22348
9250 * tree-ssa-loop-niter.c (number_of_iterations_cond):
9251 Fold the partial computation.
9253 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9255 PR tree-optimization/22325
9256 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9258 * tree-scalar-evolution.c (scev_const_prop): Add generic final
9260 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9261 (force_var_cost): ... this function.
9262 (compute_phi_arg_on_exit): Export.
9264 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
9266 PR tree-optimization/20773
9267 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9270 2005-07-27 Richard Guenther <rguenther@suse.de>
9272 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9273 Avoid pushing again if current struct contains only
9274 fields we decomposed.
9276 2005-07-27 Jan Hubicka <jh@suse.cz>
9278 PR tree-optimization/22574
9279 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9282 * tree-tailcall.c (decrease_profile): New function.
9283 (eliminate_tail_call): Use it.
9285 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9286 visibility flags correctly in whole program mode.
9288 2005-07-26 Steve Ellcey <sje@cup.hp.com>
9290 PR rtl-optimization/22472
9291 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9293 2005-07-26 Steven Bosscher <stevenb@suse.de>
9295 PR tree-optimization/22504
9296 * tree-complex.c (expand_complex_addition): Use 'code' instead
9297 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9299 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9301 * config.gcc (cpu_type): Add frv case.
9302 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9303 (supported_defaults): Add fr550 case.
9305 2005-07-26 Diego Novillo <dnovillo@redhat.com>
9308 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9309 whether a pointer of type T * may point to objects of type T *.
9311 2005-07-26 DJ Delorie <dj@redhat.com>
9313 * configure: Regenerate.
9315 2005-07-26 Dale Johannesen <dalej@apple.com>
9317 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
9319 2005-07-26 Mark Mitchell <mark@codesourcery.com>
9321 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9322 Clarify use of "build" in name.
9324 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
9326 * doc/extend.texi (Raw read/write Functions): New section.
9327 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9328 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9329 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9330 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9331 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9332 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9333 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9334 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9335 * config/frv/frv.c: Add bdesc_loads global.
9336 Add bdesc_stores global.
9337 (frv_init_builtins): Add support for __builtin_{read/write}*.
9338 (frv_volatile_memref): New.
9339 (frv_expand_load_builtin): New.
9340 (frv_expand_store_builtin): New.
9341 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9342 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9343 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9344 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9345 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9346 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9347 (builtin_read_<mode>): New.
9348 (builtin_write_<mode>): New.
9349 (builtin_write64): New.
9350 (optional_membar_<mode>): New.
9352 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
9354 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9355 (rather than units) against HOST_BITS_PER_WIDE_INT.
9357 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
9359 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9360 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9361 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9362 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9365 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9366 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9367 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9369 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9371 2005-07-26 Richard Guenther <rguenther@suse.de>
9373 PR tree-optimization/22486
9374 * fold-const.c (fold_unary): Fold away useless component
9375 references of the form (T *)&T.x, if the address
9378 2005-07-25 James E Wilson <wilson@specifixinc.com>
9380 * dwarf2out.c (add_call_src_coords_attributes): New.
9381 (gen_inlined_subroutine_die): Call it.
9382 (maybe_emit_file, init_file_table): Add comments.
9383 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9385 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9386 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9387 * tree.h (BLOCK_SOURCE_LOCATION): New.
9388 (struct tree_block): New field locus.
9390 2005-07-26 Andreas Schwab <schwab@suse.de>
9392 PR rtl-optimization/23043
9393 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9394 when allocating a struct unoccr.
9396 2005-07-25 Richard Henderson <rth@redhat.com>
9399 * tree-complex.c (gate_no_optimization): True if errors.
9400 * Makefile.in (tree-complex.o): Update dependencies.
9402 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
9404 * config/frv/predicates.md (integer_register_operand): Use
9407 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9410 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9412 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9414 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
9416 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9417 types when flag_unsafe_math_optimizations is true.
9419 2005-07-25 Mark Mitchell <mark@codesourcery.com>
9421 * gcc.c (option_map): Add --sysroot.
9422 (process_command): Handle --sysroot.
9423 (display_help): Document it.
9424 * doc/cppopts.tex (-isysroot): Document.
9425 * doc/invoke.texi (--sysroot): Document.
9426 * doc/install.texi (--with-build-sysroot): Document.
9428 * Makefile.in (inhibit_libc): New variable.
9429 (INHIBIT_LIBC_CFLAGS): Likewise.
9430 (LIBGCC2_CFLAGS): Include
9431 $(INHIBIT_LIBC_CFLAGS).
9432 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9433 ($(T)crtbegin.o): Do not use @inhibit_libc@.
9434 ($(T)crtend.o): Likewise.
9435 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9436 ($(T)crtendS.o): Likewise.
9437 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9438 ($(T)crtendT.o): Likewise.
9439 (stmp-fixinc): Do not complain about missing headers if
9441 * configure.ac (inhibit_libc): Set it to true/false.
9442 (--with-build-sysroot): New option. Use it to set
9444 * configure: Regenerated.
9446 2005-07-25 Manfred Hollstein <mh@suse.com>
9448 * calls.c (store_one_arg): Fix unsigned comparison warning.
9450 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
9453 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9454 (ggc_print_statistics): Initialize variable before use.
9456 2005-07-25 Richard Guenther <rguenther@suse.de>
9458 * tree-dfa.c (mark_new_vars_to_rename): Protect against
9459 calling with a PHI_NODE argument.
9461 * tree-flow-inline.h (overlap_subvar): Protect against
9464 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
9466 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9467 * configure: Regenerate.
9469 2005-07-25 Ira Rosen <irar@il.ibm.com>
9471 * expr.c (highest_pow2_factor): Make extern.
9472 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9473 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9474 record_array_differ_p, array_ptr_differ_p): Likewise.
9475 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9476 additional cases. Call the above functions.
9477 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9478 base_object_differ_p when there are two base objects. Otherwise, compare
9479 base address and offset. Call may_alias_p.
9480 (dump_data_reference): Use a correct field name.
9481 (analyze_array): Make static. Initialize new data-ref fields.
9482 (analyze_indirect_ref): New function.
9483 (init_data_ref): Initialize new data-ref fields.
9484 (strip_conversion): Moved from tree-vect-analyze.c.
9485 (analyze_offset_expr, get_ptr_offset, address_analysis,
9486 object_analysis): Likewise.
9487 (analyze_offset): New function.
9488 (create_data_ref): Likewise.
9489 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9490 dimensions for ARRAY_REFs only.
9491 (build_classic_dist_vector): Make static.
9492 (access_functions_are_affine_or_constant_p): Call macro to get the
9493 address of access functions.
9494 (compute_all_dependences): Add new parameter
9495 compute_self_and_read_read_dependences. Compute self and read-read
9496 dependences if it is true.
9497 (find_data_references_in_loop): Call create_data_ref. Initialize new
9499 (compute_data_dependences_for_loop): Add new parameter
9500 compute_self_and_read_read_dependences. Remove parameter nb_loops,
9501 compute nb_loops. Call compute_all_dependences,
9502 build_classic_dist_vector and build_classic_dir_vector with correct
9504 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9505 with correct parameters. Compare dimensions for ARRAY_REFs only.
9506 (free_data_refs): Call macro to free access functions.
9507 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9508 fields from stmt_vinfo.
9509 (struct base_object_info): New structure.
9510 (struct data_reference): Move fields to base_object_info. Add fields
9511 first_location and object_info for above structures. Move fields from
9512 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9513 aligned_to. Add macros to access the new fields.
9514 Update functions declarations.
9515 * tree-flow.h (is_aliased_with): Declare.
9516 * tree-loop-linear.c (linear_transform_loops): Call
9517 compute_data_dependences_for_loop with correct parameters.
9518 * tree-ssa-alias.c (is_aliased_with): New function.
9519 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9520 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9521 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9522 vect_base_addr_differ_p, compute_subscript_distance and
9523 build_classic_dist_vector. Add printings. Check absolute value of
9525 (vect_analyze_data_ref_dependences): Go through ddrs instead of
9527 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9528 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9529 to bytes. Add printing.
9530 (vect_compute_data_refs_alignment): Go through loads and stores in one
9532 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9533 vect_analyze_data_ref_access): Likewise.
9534 (vect_analyze_pointer_ref_access): Remove.
9535 (vect_address_analysis, vect_object_analysis): Likewise.
9536 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9537 and analyze data-refs in the loop.
9538 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9539 fields of data-ref instead of stmt. Add init to the offset from the
9541 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9542 (vect_update_init_of_dr): Likewise.
9543 (vect_update_inits_of_drs): Go through loads and stores in one loop.
9544 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9546 (new_loop_vec_info): Initialize new fields.
9547 (destroy_loop_vec_info): Free new fields.
9548 (vect_strip_conversion): Remove.
9549 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9550 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9551 datarefs. Add new field ddrs.
9552 Add macros for the new fields access.
9553 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9554 base_aligned_p, misalignment, memtag, ptr_info and subvars.
9555 Remove their macros.
9556 * tree.h (highest_pow2_factor): Declare.
9558 2005-07-25 Jakub Jelinek <jakub@redhat.com>
9560 * calls.c (store_one_arg): Check for sibling call MEM arguments
9561 from already clobbered incoming argument area.
9563 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9565 * c-common.c (check_missing_format_attribute): New.
9566 * c-common.h (check_missing_format_attribute): Likewise.
9567 * c-typeck.c (convert_for_assignment): Use it.
9569 2005-07-24 Andreas Schwab <schwab@suse.de>
9571 * config/m68k/m68k.md ("extendqidi2"): When source is an address
9572 register use a word move. Correct operand of ext.w in 68000 code.
9574 2005-07-23 Mark Mitchell <mark@codesourcery.com>
9576 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9577 variables as declarations, rather than definitions.
9579 2005-07-24 Ira Rosen <irar@il.ibm.com>
9581 PR tree-optimization/22526
9582 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9585 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9587 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9588 that C99 reserve for future use. Use it to define clog10,
9589 clog10f and clog10l.
9591 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9593 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9594 * configure.ac: Check for -Wmissing-format-attribute.
9596 * configure: Regenerate.
9598 2005-07-23 Richard Henderson <rth@redhat.com>
9600 PR tree-optimization/22623
9601 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9603 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
9606 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9608 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9610 * Makefile.in (C_TREE_H): Update dependencies.
9611 * c-tree.h: Include toplev.h.
9612 * diagnostic.h (diagnostic_set_info): Add format attribute.
9613 * rtl-error.c (diagnostic_for_asm): Likewise.
9615 2005-07-23 Chao-ying Fu <fu@mips.com>
9617 * config/mips/mips-dsp.md: New file.
9618 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9619 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9621 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9622 MIPS_BUILTIN_BPOSGE32.
9623 (mips_expand_builtin_direct): Add one parameter to indicate that
9624 builtin functions need to return a value.
9625 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9627 (mips_regno_to_class): Add classes for 12 new DSP registers.
9628 (mips_subword): Change to check four HI registers.
9629 (mips_output_move): Output move to and from 6 new DSP accumulators.
9630 (override_options): Make sure -mdsp and -mips16 are not used together.
9631 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
9633 (mips_conditional_register_usage): Disable 6 new DSP accumulators
9635 (print_operand): Add 'q' for printing DSP accumulators.
9636 (mips_cannot_change_mode_class): Check ACC_REGS.
9637 (mips_secondary_reload_class): Check ACC_REGS.
9638 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9639 (mips_register_move_cost): Check ACC_REGS.
9640 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9641 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9642 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9643 (dsp_bdesc): New array.
9644 (bdesc_arrays): Add DSP builtin function table.
9645 (mips_prepare_builtin_arg): Check predicate again after
9647 (mips_expand_builtin): Add one more parameter to
9648 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9649 MIPS_BUILTIN_BPOSGE32.
9650 (mips_init_builtins): Initialize new function types.
9651 (mips_expand_builtin_direct): Check if builtin functions need to
9652 return a value and pass operands properly.
9653 (mips_expand_builtin_bposge): New function.
9654 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9655 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9656 (FIRST_PSEUDO_REGISTER): Increase to 188.
9657 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9658 Update for 12 new DSP registers.
9659 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9660 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9661 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9662 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9663 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9664 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9665 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9666 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9667 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9668 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9669 (REGISTER_NAMES): Add names for 12 new DSP registers.
9670 * config/mips/mips.md: Include mips-dsp.md.
9671 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9672 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9673 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9674 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9675 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9676 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9677 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9678 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9679 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9680 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9681 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9682 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9683 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9684 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9685 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9686 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9687 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9688 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9689 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9690 (UNSPEC_RDDSP): New constants.
9691 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9692 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
9694 * config/mips/mips.opt (-mdsp): New option.
9695 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9696 (reg_imm10_operand): New predicates.
9697 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9698 * doc/invoke.texi (-mdsp): Document new option.
9700 2005-07-22 DJ Delorie <dj@redhat.com>
9702 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9704 * tree-inline.c (inlinable_function_p): Likewise.
9706 2005-07-22 Mark Mitchell <mark@codesourcery.com>
9709 * toplev.c (check_global_declarations): Do not mark undefined
9710 variables as DECL_IGNORED_P.
9711 * varasm.c (first_global_object_name): GTY it.
9712 (weak_global_object_name): Likewise.
9713 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9714 a string to go into {weak,first}_global_object_name.
9716 2005-07-22 DJ Delorie <dj@redhat.com>
9718 * c-format.c (check_function_format): Change warning control
9719 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9721 2005-07-22 Diego Novillo <dnovillo@redhat.com>
9723 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9724 &PTR->FLD a dereference of PTR.
9725 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9726 a potential dereference of PTR.
9728 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
9730 PR rtl-optimization/20370
9731 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9732 call allocate_reg_info if necessary.
9734 PR rtl-optimization/21848
9735 * calls.c (emit_library_call_value_1): For const functions, add
9736 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9738 PR rtl-optimization/22445
9739 * cselib.c (target.h): Include.
9740 (rtx_equal_for_cselib_p): Allow commutative matches.
9741 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9742 Remove MODE parameter. Changed all callers.
9744 PR rtl-optimization/22258
9745 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9747 (try_combine): Use likely_spilled_retval_p.
9749 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
9751 * config.gcc: Add crx-elf support.
9753 * doc/contrib.texi: Mention crx.
9754 * doc/extend.texi: Document crx extensions.
9755 * doc/install.texi: Document crx install.
9756 * doc/invoke.texi: Document crx options.
9757 * doc/md.texi: Document crx constraints.
9759 * config/crx/crx-protos.h: New file.
9760 * config/crx/crx.c: New file.
9761 * config/crx/crx.h: New file.
9762 * config/crx/crx.md: New file.
9763 * config/crx/crx.opt: New file.
9764 * config/crx/t-crx: New file.
9766 2005-07-22 Manfred Hollstein <mh@suse.com>
9768 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9770 (int_add_graph_edge): Likewise.
9771 (collapse_nodes): Likewise.
9772 (process_unification_queue): Likewise.
9774 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9775 Laurent GUERBY <laurent@guerby.net>
9777 PR tree-optimization/22336
9778 * function.c (record_block_change): Check for
9779 cfun->ib_boundaries_block.
9781 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
9783 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9784 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9786 2005-07-21 DJ Delorie <dj@redhat.com>
9788 * toplev.c (warn_deprecated_use): Add warning control to warning
9790 * c-typeck.c (parser_build_binary_op): Likewise.
9791 (c_finish_if_stmt): Likewise.
9792 * c-common.c (check_function_sentinel): Likewise.
9793 (check_nonnull_arg): Likewise.
9795 2005-07-21 Richard Henderson <rth@redhat.com>
9798 * tree-complex.c (complex_ssa_name_components): New.
9799 (cvc_lookup): Allow entry not found.
9800 (create_components): Remove.
9801 (create_one_component_var, get_component_var): New.
9802 (get_component_ssa_name, set_component_ssa_name): New.
9803 (extract_component): Use get_component_ssa_name.
9804 (update_complex_components): Use set_component_ssa_name.
9805 (update_complex_components_on_edge): Likewise.
9806 (update_phi_components): Create new PHI nodes directly, instead
9807 of adding insns to edges.
9808 (tree_lower_complex): Allocate and free complex_variable_components
9809 and complex_ssa_name_components here.
9811 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
9813 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9814 revert to returning false.
9816 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9819 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9821 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9824 * config/i386/i386.md (cmpxf): Change operand constraints
9825 to "nonmemory_operand".
9827 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9829 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9831 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9834 * fold-const.c (fold_build1): Add checksum for the operands.
9835 (fold_build2): Likewise.
9836 (fold_build3): Likewise.
9838 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9841 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9843 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9845 * common.opt (-fforward-propagate): Committed by mistake,
9848 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9850 * reg-stack.c: Fix comment typo(s).
9851 * tree-ssa-operands.c: Likewise.
9852 * tree-vectorizer: Likewise.
9854 2005-07-21 Nick Clifton <nickc@redhat.com>
9856 * config/sh/symbian.c: Replace C++ style line comments with C
9857 style line comments.
9858 (symbian_add_attribute): Do not use a ? operator on the LHS of
9860 (sh_symbian_handle_dll_attribute): Change the type of the
9861 method vector to "VEC(tree,gc)*" and use vector accessor
9862 macros to walk over the elements.
9863 (symbian_export_vtable_and_rtti_p): Likewise.
9864 (symbian_class_needs_attribute_p): Likewise.
9866 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9869 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9870 initialize targetm.resolve_overloaded_builtin here.
9871 (altivec_expand_overloaded_builtin): Make it non-static.
9872 * config/rs6000/rs6000-protos.h
9873 (altivec_expand_overloaded_builtin): New prototype.
9874 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9875 targetm.resolve_overloaded_builtin here.
9876 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9878 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9879 Zdenek Dvorak <dvorakz@suse.cz>
9881 PR tree-optimization/19210
9882 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9884 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9885 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9886 rely on unproven assumptions.
9887 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9888 * tree-flow.h (number_of_iterations_exit): Add final parameter.
9889 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9890 to number_of_iterations_exit.
9891 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9892 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9893 * tree-ssa-loop-niter.c (find_loop_niter,
9894 estimate_numbers_of_iterations_loop): Likewise.
9895 (number_of_iterations_exit): Honor the new options.
9896 * doc/invoke.texi (Wunsafe-loop-optimizations,
9897 funsafe-loop-optimizations): Document them.
9899 2005-07-21 Richard Sandiford <richard@codesourcery.com>
9901 PR rtl-optimization/22167
9902 * gcse.c (hoist_code): Fix hoist_exprs[] check.
9904 2005-07-20 Adam Nemet <anemet@lnxw.com>
9906 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9907 __do_global_dtors_aux longcall.
9909 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
9911 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9912 (old_special_pred_table): Don't reference
9913 SPECIAL_MODE_PREDICATES.
9914 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9915 * config/arc/arc.h: Don't mention PREDICATE_CODES.
9916 * config/sh/predicates.h: Don't mention
9917 SPECIAL_MODE_PREDICATES.
9918 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9921 2005-07-20 DJ Delorie <dj@redhat.com>
9923 * config.gcc: Add m32c-elf support.
9925 * doc/contrib.texi: Mention m32c.
9926 * doc/extend.texi: Document m32c extensions.
9927 * doc/install.texi: Mention m32c.
9928 * doc/invoke.texi: Document m32c options.
9929 * doc/md.texi: Document m32c constraints.
9931 * config/m32c/addsub.md: New file.
9932 * config/m32c/bitops.md: New file.
9933 * config/m32c/cond.md: New file.
9934 * config/m32c/jump.md: New file.
9935 * config/m32c/m32c-lib1.S: New file.
9936 * config/m32c/m32c-lib2.c: New file.
9937 * config/m32c/m32c-modes.def: New file.
9938 * config/m32c/m32c-pragma.c: New file.
9939 * config/m32c/m32c-protos.h: New file.
9940 * config/m32c/m32c.abi: New file.
9941 * config/m32c/m32c.c: New file.
9942 * config/m32c/m32c.h: New file.
9943 * config/m32c/m32c.md: New file.
9944 * config/m32c/m32c.opt: New file.
9945 * config/m32c/minmax.md: New file.
9946 * config/m32c/mov.md: New file.
9947 * config/m32c/muldiv.md: New file.
9948 * config/m32c/predicates.md: New file.
9949 * config/m32c/prologue.md: New file.
9950 * config/m32c/shift.md: New file.
9951 * config/m32c/t-m32c: New file.
9953 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9955 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9956 (stack_protect_set, stack_protect_test): New expanders.
9957 (stack_protect_set_si, stack_protect_set_si_media,
9958 stack_protect_set_di_media, stack_protect_test_si,
9959 stack_protect_test_si_media, stack_protect_test_di_media):
9962 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
9964 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9966 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
9968 * tree.h (tree_expr_nonzero_p): Export.
9969 * fold-const.c (tree_expr_nonzero_p): Likewise.
9970 Return true for CALL_EXPRs that are alloca calls.
9971 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9973 * tree-flow.h (expr_computes_nonzero): Remove.
9974 * tree-vrp.c (expr_computes_nonzero): Remove.
9975 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9976 (extract_range_from_unary_expr): Likewise.
9977 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9978 tree_expr_nonzero_p.
9980 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
9982 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9983 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
9984 extra arg "picreg" and use it instead of pic_offset_table_rtx.
9985 All callers changed.
9986 (frame_related_constant_load): New arg "related" which controls
9987 setting of RTX_FRAME_RELATED_P. All callers changed.
9988 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9989 (bfin_expand_prologue): Add stack limit checking.
9990 * config/bfin/bfin.md (trapifcc): New pattern.
9992 * config/bfin/bfin.c: Include "langhooks.h".
9993 (def_builtin): Go through lang_hooks to call builtin_function.
9995 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9996 * config/bfin/predicates.md (symbol_ref_operand): New.
9997 (call_insn_operand): Delete. All callers changed to use
9998 register_no_elim_operand.
9999 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10001 (function_arg): Use it to generate the call's operand 2.
10002 (bfin_longcall_p): New function.
10003 (bfin_expand_call): Extra arg "cookie". All callers and declaration
10004 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
10005 determine if the address needs to be in a REG.
10006 (bfin_handle_longcall_attribute): New function.
10007 (bfin_attribute_table): Add "longcall" and "shortcall".
10008 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10009 (CUMULATIVE_ARGS): New member call_cookie.
10010 (PREDICATE_CODES): Add symbol_ref_operand.
10011 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10012 extra USE to the pattern.
10013 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10014 New patterns, split off call_insn, sibcall_insn, call_value_insn and
10015 sibcall_value_insn; now the new patterns handle direct calls and the
10016 old ones indirect calls.
10017 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10019 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
10021 * doc/trouble.texi: Update section on handling of empty loops.
10023 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
10025 * config.gcc: Remove support for sparc-*-openbsd*,
10026 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10028 * config.host: Remove support for i860-*-sysv4* as a host.
10029 * config/i860/*, config/ip2k/*, config/ns32k/*,
10030 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10031 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10032 mention obsolete ports.
10034 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
10036 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10037 soft frame pointer.
10038 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10039 of frame_pointer_rtx.
10040 (sh_expand_epilogue): Likewise.
10041 (sh_set_return_address): Likewise.
10042 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10043 instead of FRAME_POINTER_REGNUM if needed. Add elimination
10044 offsets from FRAME_POINTER_REGNUM.
10045 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10046 (sh_register_names): Add initializer for sfp.
10047 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10048 (VALID_REGISTER_P): Likewise.
10049 (FIRST_PSEUDO_REGISTER): Update.
10050 (DWARF_FRAME_REGISTERS): Define.
10051 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10052 (HARD_FRAME_POINTER_REGNUM): Define.
10053 (FRAME_POINTER_REGNUM): Redefine.
10054 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10055 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
10056 from FRAME_POINTER_REGNUM.
10057 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10058 FRAME_POINTER_REGNUM.
10059 (REG_CLASS_CONTENTS): Add sfp.
10060 (REG_ALLOC_ORDER): Likewise.
10061 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
10062 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10063 of frame_pointer_rtx.
10064 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10066 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
10068 * fold-const.c (tree_expr_nonnegative_p): Only return true for
10069 ABS_EXPR when flag_wrapv is false because of INT_MIN.
10070 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10072 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10075 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
10077 Make CONSTRUCTOR use VEC to store initializers.
10078 * c-common.c (complete_array_type): Update to cope with VEC in
10080 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10081 (pp_c_constructor_elts): New function.
10082 * c-pretty-print.h (pp_c_constructor_elts): Declare.
10083 * c-typeck.c (build_function_call, build_c_cast, digest_init,
10084 struct constructor_stack, struct initializer_stack,
10085 constructor_elements, push_init_level, pop_init_level,
10086 add_pending_init, find_init_member, output_init_element): Update to
10087 cope with VEC in CONSTRUCTOR_ELTS.
10088 * coverage.c (build_fn_info_value, build_ctr_info_value,
10089 build_gcov_info): Likewise.
10090 * expr.c (categorize_ctor_elements_1, store_constructor,
10091 expand_expr_real_1): Likewise.
10092 * fold-const.c (fold_ternary): Likewise.
10093 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10094 gimplify_init_constructor, gimplify_expr): Likewise.
10095 * tree-dump.c (dequeue_and_dump): Likewise.
10096 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10098 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10100 * tree-sra.c (generate_element_init_1): Likewise.
10101 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10102 * tree-ssa-operands.c (get_expr_operands): Likewise.
10103 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10104 * tree-vect-transform.c (vect_get_vec_def_for_operand):
10105 (get_initial_def_for_reduction): Likewise.
10106 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10107 value handle in annotations.
10108 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10109 tree_node_structure): Add support for constr_kind.
10110 (build_vector_from_ctor, build_constructor_single,
10111 build_constructor_from_list): New functions.
10112 (build_constructor): Update to take a VEC instead of a TREE_LIST.
10113 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10114 Update to cope with VEC in CONSTRUCTOR_ELTS.
10115 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10116 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10117 CONSTRUCTOR_APPEND_ELT): New macros.
10118 (struct constructor_elt, struct tree_constructor): New data types.
10119 (union tree_node): Add tree_constructor field.
10120 * treestruct.def: Define TS_CONSTRUCTOR.
10121 * varasm.c (const_hash_1, compare_constant, copy_constant,
10122 compute_reloc_for_constant, output_addressed_constants,
10123 initializer_constant_valid_p, output_constant,
10124 array_size_for_constructor, output_constructor): Update to cope with
10125 VEC in CONSTRUCTOR_ELTS.
10126 * vec.h (VEC_empty, VEC_copy): New macros.
10128 2005-07-19 Devang Patel <dpatel@apple.com>
10130 * dbxout.c (dbxout_type): Check Objective-C++ lang.
10132 2005-07-19 Richard Henderson <rth@redhat.com>
10135 * gimplify.c (gimplify_expr): Use main variant type for the temp
10136 destination for a discarded volatile read.
10137 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10138 casts between non-void types that change volatility.
10140 2005-07-15 DJ Delorie <dj@redhat.com>
10142 * toplev.h: Add comment about the first parameter for warning().
10143 * errors.h: Likewise.
10145 * c.opt (Wpragmas): New.
10146 * doc/invoke.texi: Document it.
10148 * function.c (do_warn_unused_parameter): Add warning control to
10150 * c-decl.c (warn_if_shadowing): Likewise.
10151 * c-lex.c (cb_def_pragma): Likewise.
10152 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10153 (pop_alignment): Likewise.
10154 (handle_pragma_pack): Likewise.
10155 (apply_pragma_weak): Likewise.
10156 (handle_pragma_weak): Likewise.
10157 (handle_pragma_redefine_extname): Likewise.
10158 (add_to_renaming_pragma_list): Likewise.
10159 (handle_pragma_extern_prefix): Likewise.
10160 (maybe_apply_renaming_pragma): Likewise.
10161 (handle_pragma_visibility): Likewise.
10163 * config/c4x/c4x-c.c (BAD): Likewise.
10164 (c4x_parse_pragma): Likewise.
10165 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10166 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10167 (rs6000_pragma_longcall): Likewise.
10168 * config/v850/v850-c.c (pop_data_area): Likewise.
10169 (ghs_pragma_section): Likewise.
10170 (ghs_pragma_section): Likewise.
10171 (ghs_pragma_interrupt): Likewise.
10172 (ghs_pragma_starttda): Likewise.
10173 (ghs_pragma_startsda): Likewise.
10174 (ghs_pragma_startzda): Likewise.
10175 (ghs_pragma_endtda): Likewise.
10176 (ghs_pragma_endsda): Likewise.
10177 (ghs_pragma_endzda): Likewise.
10179 2005-07-19 Danny Berlin <dberlin@dberlin.org>
10180 Kenneth Zadeck <zadeck@naturalbridge.com>
10182 * Makefile.in: Removed tree-promote-statics.c
10183 * tree-promote-statics.c: Removed.
10184 * common.opt: Removed flag-promote-statics.
10186 * passes.c: Removed tree-promote-statics pass.
10187 * tree-pass.h: Ditto.
10188 * timevar.def: Removed TV_PROMOTE_STATICS.
10191 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
10193 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10195 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10197 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10200 * c-common.c (check_function_arguments): Call
10201 'check_function_format' if either -Wformat or
10202 -Wmissing-format-attribute are specified.
10203 * c-format.c (check_function_format): Check -Wformat before
10204 calling 'check_format_info'.
10205 * c-opts.c (c_common_post_options): Don't warn for
10206 -Wmissing-format-attribute without -Wformat.
10207 * c-typeck.c (convert_for_assignment): Detect additional cases for
10208 -Wmissing-format-attribute.
10209 * doc/invoke.texi (-Wmissing-format-attribute): Document new
10212 2005-07-19 Richard Guenther <rguenther@suse.de>
10214 * config/i386/i386.md (lrint<mode>2): Use temporary
10215 instead of clobbering non-existent memory.
10217 2005-07-19 Nick Clifton <nickc@redhat.com>
10219 * config/avr/avr.c (legitimate_address_p): Fix debugging print
10220 statement to avoid displaying ASCII control characters.
10222 2005-07-19 Ben Elliston <bje@au.ibm.com>
10224 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10225 * cfganal.c (find_edge_index): Ditto.
10226 * combine.c (combine_instructions): Ditto.
10227 * ddg.c (create_scc): Ditto.
10228 (find_successors): Ditto.
10229 (find_predecessors): Ditto.
10230 (find_nodes_on_paths): Ditto.
10231 (longest_simple_path): Ditto.
10232 * flow.c (update_life_info): Ditto.
10233 (count_or_remove_death_notes): Ditto.
10234 (clear_log_links): Ditto.
10235 * modulo-sched.c (generate_reg_moves): Ditto.
10236 (find_max_asap): Ditto.
10237 (find_max_hv_min_mob): Ditto.
10238 (find_max_dv_min_mob): Ditto.
10239 * sbitmap.c (sbitmap_first_set_bit): Ditto.
10240 * sched-rgn.c (extract_edgelst): Ditto.
10241 * tree-into-ssa.c (prepare_names_to_update): Ditto.
10242 (dump_update_ssa): Ditto.
10243 (ssa_names_to_replace) Ditto.
10244 (switch_virtuals_to_full_rewrite): Ditto.
10245 (update_ssa): Ditto.
10246 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10248 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
10250 Fix PR tree-optimization/22483
10252 * tree-complex.c (create_components): Use
10253 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10254 * tree-flow-inline.h (fill_referenced_var_vec): New function.
10255 * tree-flow.h (safe_referenced_var_iterator): New structure.
10256 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10257 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10258 safe_referenced_var iterator.
10259 (add_type_alias): Ditto.
10261 2005-07-19 Steven Bosscher <stevenb@suse.de>
10263 * loop-init.c (rest_of_handle_loop2): Remove.
10264 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10265 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10266 (pass_rtl_loop_init, pass_rtl_loop_done,
10267 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10268 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10269 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10270 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10271 pass_tree_loop_done, and pass_tree_unswitch.
10272 (gate_loop): Rename to gate_tree_loop.
10273 * passes.c (init_optimization_passes): Update for renamed tree
10274 loop passes. Add the new loop2 passes as subpasses of loop2.
10275 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10276 Update for the renamed tree loop passes.
10278 2005-07-18 Ian Lance Taylor <ian@airs.com>
10280 PR middle-end/22057
10281 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10282 blocks when optimizing.
10284 2005-07-18 Steve Ellcey <sje@cup.hp.com>
10286 * common.opt (frename-registers): Initialize to 2.
10288 (fgcse-after-reload): Ditto.
10289 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10290 (process_options): Only change flag_web, flag_rename_registers,
10291 and flag_rerun_cse_after_loop if not explicitly set by user.
10293 2005-07-18 Jan Beulich <jbeulich@novell.com>
10295 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10296 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10297 in 64-bit mode the same as DImode in 32-bit mode.
10298 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10299 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10300 mode. Add new mode parameter.
10301 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10302 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10303 x86_64_shift_adj): New expanders.
10304 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10305 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10307 Respective new splitters. Use renamed shift splitter helpers in 32-bit
10308 DImode shift splitters.
10309 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10310 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10313 2005-07-18 Jan Beulich <jbeulich@novell.com>
10315 * i386.md (movdi_extzv_1): New.
10316 (zero_extendhidi2): Combine alternatives and never force use of
10318 (zero_extendqidi2): Likewise. Don't restrict input selection.
10320 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10322 Fix PR tree-optimization/22531
10323 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
10326 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10328 * tree-promote-statics.c (pass_promote_statics): Change dump file
10331 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
10333 * tree-optimize.c (init_tree_optimization_passes): Add
10334 pass_eliminate_useless_stores pass.
10335 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10336 * tree-ssa-pre.c (is_copy_stmt): New function.
10337 (follow_copies_till_vuse): Ditto.
10338 (do_eustores): Ditto.
10339 (gate_eustores): Ditto.
10341 2005-07-16 Richard Henderson <rth@redhat.com>
10343 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10345 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10346 Kenneth Zadeck <zadeck@naturalbridge.com>
10348 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10349 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10350 ipa-type-escape.h, tree-promote-statics.c
10351 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10352 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10353 tree-promote-statics.c: new files.
10354 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10355 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10356 int nonlocal_set_p, mark_constant_function): Deleted.
10357 (rest_of_handle_cfg): Removed call to mark_constant_function.
10358 (nonoverlapping_component_refs_p): Added calls to support
10359 type based aliasing.
10360 * tree-ssa-alias.c (may_alias_p,
10361 compute_flow_insensitive_aliasing): Ditto.
10362 * calls.c (flags_from_decl_or_type): Removed reference to
10364 * c-typeck.c (convert_arguments): Make builtins tolerant of having
10365 too many arguments. This is necessary for Spec 2000.
10366 * cgraph.h (const_function, pure_function): Removed.
10367 * common.opt: Added "fipa-pure-const", "fipa-reference",
10368 "fipa-type-escape", and "ftree-promote-static".
10370 * passes.c: Added ipa and tree-promote-statics passes.
10371 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10372 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10373 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10374 * tree-flow.h: Added exposed sra calls and addition of
10375 reference_vars_info field for FUNCTION_DECLS.
10376 * tree-pass.h: Added passes.
10377 * tree-sra.c: (sra_init_cache): New function.
10378 (sra_insert_before, sra_insert_after) Made public.
10379 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10381 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10382 aliasing. (may_alias_p): Added code to use type escape analysis to
10383 improve alias sets.
10384 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10385 code to prune clobbers of static variables based on information
10386 produced in ipa-reference pass. Changed call clobbering so that
10387 statics are not marked as clobbered if the call does not clobber
10390 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
10392 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10395 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10397 * doc/install.texi (*-*-solaris2*): Document recommended version
10398 of GNU binutils and mention GNU linker problem on Solaris 10.
10400 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
10403 * c-decl.c (c_build_bitfield_integer_type): New function.
10404 (finish_struct): Call it.
10405 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10407 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10409 * c-typeck.c (digest_init): Call 'convert_for_assignment'
10412 2005-07-16 Jan Hubicka <jh@suse.cz>
10414 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10415 (scale_bbs_frequencies_int): Watch roundoff errors.
10416 * predict.c (return_prediction): Initialize return_stmt.
10418 2005-07-16 Jan Hubicka <jh@suse.cz>
10420 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10421 after RTL profiling.
10423 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
10425 PR middle-end/22398
10426 * fold-const.c (build_range_check): Convert high/low to etype
10427 if we are only comparing against exp.
10429 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
10431 Fix PR tree-optimization/22376
10432 * tree-ssa-structalias.c (build_constraint_graph): We really meant
10434 (need_to_solve): New function.
10435 (compute_points_to_sets): Use it.
10437 2005-07-15 Jan Hubicka <jh@suse.cz>
10439 * cfg.c (update_bb_profile_for_threading): More diagnostic.
10440 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10442 2005-07-15 Richard Guenther <rguenther@suse.de>
10444 * c-common.c (handle_flatten_attribute): New function.
10445 Add flatten function attribute.
10446 * doc/extend.texi: Document flatten function attribute.
10447 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10448 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10450 (cgraph_decide_inlining): Handle functions with flatten
10453 2005-07-14 David Edelsohn <edelsohn@gnu.org>
10455 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10456 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10457 UNSPEC_XCHG, UNSPEC_AND): New.
10458 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10459 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10460 * config/rs6000/sync.md (FETCHOP): New code macro.
10461 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10463 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10464 (sync_compare_and_swap<mode>): Same.
10465 (sync_lock_test_and_set<mode>): Same.
10466 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10467 for QImode and HImode, and not PPC405.
10468 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10469 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10470 (sync_<fetchop>{si,di}_internal): New.
10471 (sync_nand{si,di}_internal): New.
10472 (sync_old_<fetchop>{si,di}_internal): New.
10473 (sync_old_nand{si,di}_internal): New
10474 (sync_new_<fetchop>{si,di}_internal): New.
10475 (sync_new_nand{si,di}_internal): New.
10476 (atomic_and{si,di}): New.
10477 (sync_new_nand{si,di}_internal): New.
10478 (atomic_and{si,di}): New.
10479 (sync_add<mode>_internal): Delete.
10480 (sync_addshort_internal): Use unspec instead of unspec_volatile.
10481 (sync_sub<mode>_internal): Delte.
10482 (sync_subshort_internal): New.
10483 (sync_andsi_internal): Use unspec instead of unspec_volatile.
10484 (sync_anddi_internal): Delete.
10485 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10486 (sync_booldi_internal): Delete.
10487 (sync_boolc<mode>_internal): Delete.
10488 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10489 (sync_boolc<mode>_internal2): Delete.
10490 (sync_boolcc<mode>_internal): Delete.
10491 (isync, lwsync): Use unspec instead of unspec_volatile.
10492 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10493 Revert UNSPEC_VOLATILE.
10494 (rs6000_split_atomic_op): New.
10495 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10497 2005-07-14 Eric Christopher <echristo@redhat.com>
10499 * config/mips/mips.c (mips_canonicalize_comparison): Cast
10500 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10502 2005-07-14 Eric Christopher <echristo@redhat.com>
10504 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10506 2005-07-14 Steven Bosscher <stevenb@suse.de>
10508 PR tree-optimization/22230
10509 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10510 the computation of the four cross productions for "range op range".
10512 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
10513 Ulrich Weigand <uweigand@de.ibm.com>
10516 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10519 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10521 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10523 2005-07-14 Steve Ellcey <sje@cup.hp.com>
10525 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10527 2005-07-14 Richard Guenther <rguenther@suse.de>
10529 PR middle-end/22347
10530 * config/i386/i386-protos.h (ix86_function_value): Change
10531 prototype to match new target hook.
10532 * config/i386/i386.c (ix86_value_regno): Change prototype
10533 to take extra type argument.
10534 (TARGET_FUNCTION_VALUE): Define.
10535 (ix86_function_ok_for_sibcall): Pass extra argument to
10536 ix86_value_regno, check return slot rtx for exact match.
10537 (ix86_function_value): Take extra parameter. Dispatch to
10538 ix86_value_regno with fndecl/fntype as provided.
10539 (ix86_value_regno): Handle extra type argument.
10540 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10542 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10543 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10544 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10545 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10546 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10548 2005-07-14 Richard Guenther <rguenther@suse.de>
10550 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10551 * calls.c (expand_call): Pass fntype to hard_function_value.
10552 (emit_library_call_value_1): Likewise.
10553 * explow.c: Include target.h.
10554 (hard_function_value): Take extra argument, the fntype.
10555 Use new target hook for function_value.
10556 * expr.h (hard_function_value): Change prototype.
10557 * function.c (aggregate_value_p): Pass 0 as fntype to
10558 hard_function_value.
10559 (assign_parms): Use new target hook for function_value.
10560 Pass 0 as fntype to hard_function_value.
10561 (expand_function_end): Likewise.
10562 * reg-stack.c: Include target.h.
10563 (stack_result): Use new target hook for function_value.
10564 * target-def.h: New target hook function_value.
10565 * target.h: Likewise.
10566 * targhooks.c (default_function_value): New function.
10567 * targhooks.h (default_function_value): Declare.
10569 2005-07-13 Ian Lance Taylor <ian@airs.com>
10571 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10573 2005-07-14 Jan Hubicka <jh@suse.cz>
10575 * tree-dfa.c (dump_variable): Use default_def function.
10576 * tree-ssa-alias.c (dump_points_to_info): Likewise.
10577 * tree-ssa.c (verify_use): Likewise.
10578 * tree-ssanames.c (release_ssa_name): Likewise.
10579 * tree-tailcall.c (eliminate_tail_call): Likewise.
10580 (tree_optimize_tail_calls_1): Likewise.
10581 * tree-vrp.c (get_value_range): Likewise.
10583 2005-07-14 Ben Elliston <bje@au.ibm.com>
10585 * gcc.c (main): Compare language[0] with '*' when iterating over
10588 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10590 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10591 "s390_emit_compare". Add handling of CCZ1mode.
10592 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10593 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10595 (s390_branch_condition_mask): Add CCZ1mode handling.
10596 * config/s390/s390.md: ("seq", "*seq"): New pattern.
10597 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10598 Use CCZ1mode instead of CCZmode.
10599 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
10601 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10603 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10605 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10607 2005-07-13 Eric Christopher <echristo@redhat.com>
10609 * config/mips/mips.c (mips_canonicalize_comparison): New.
10610 (mips_emit_int_relational): Use.
10612 2005-07-13 Eric Christopher <echristo@redhat.com>
10614 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10615 static extra parts.
10616 * config/s390/s390.md: Include tpf.md. Move tpf specific
10618 * config/s390/tpf.md: To here.
10619 * config/s390/s390.opt: Move tpf specific options...
10620 * config/s390/tpf.opt: to here. Add mmain option.
10621 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10622 * config/s390/tpf.h: Rewrite.
10624 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10626 * doc/tm.texi: Remove @xref{Cross-profiling}.
10628 2005-07-13 Jeff Law <law@redhat.com>
10630 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10631 expressions, test their _DECL operands for pointer equality rather
10632 than using operand_equal_p.
10634 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10636 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10637 (TARGET_POSIX_IO): This.
10638 * config/darwin.h: Likewise.
10639 * config/freebsd.h: Likewise.
10640 * config/linux.h: Likewise.
10641 * config/lynx.h: Likewise.
10642 * config/netbsd.h: Likewise.
10643 * config/rs6000/linux64.h: Likewise.
10644 * config/rs6000/linux.h: Likewise.
10645 * config/s390/tpf.h: Likewise.
10646 * config/sh/embed-elf.h: Likewise.
10647 * config/sparc/linux64.h: Likewise.
10648 * config/sparc/linux.h: Likewise.
10649 * config/svr4.h: Likewise.
10650 * gcov-io.h: Likewise.
10652 * doc/tm.texi: Updated.
10654 * libgcov.c (create_file_directory): Defined only if
10655 TARGET_POSIX_IO is defined.
10656 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10659 2005-07-13 Jan Hubicka <jh@suse.cz>
10661 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10663 2005-07-13 David Edelsohn <edelsohn@gnu.org>
10665 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10666 structure as argument.
10668 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
10670 PR tree-optimization/21921
10671 * tree-iterator.c (tsi_link_before): Support the case when
10672 tsi_end_p (tsi) == true.
10674 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10676 PR tree-optimization/22442
10677 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10680 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10682 PR rtl-optimization/20376
10683 * toplev.c (process_options): Enable -fweb and -frename-registers when
10685 * doc/invoke.texi: Update the information about when -fweb and
10686 -frename-registers are enabled.
10688 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10691 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10692 if *rhs_p is not a SSA_NAME.
10694 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
10696 Fix PR tree-optimization/22422
10697 * tree-ssa-structalias.c (struct variable_info): Add flag for
10699 (get_varinfo): Now a static function.
10700 (new_varinfo): init has_union and is_special_var to false.
10701 (solution_set_add): Check has_union.
10702 (do_da_constraint): Move temporary variable so it gets reset
10704 Also check for special variable.
10705 (do_ds_constraint): Ditto.
10706 (do_sd_constraint): Ditto.
10707 (do_structure_copy): Check for special variable.
10708 (find_func_aliases): Ditto.
10709 (init_base_vars): Set special vars properly.
10711 2005-07-13 Jan Hubicka <jh@suse.cz>
10713 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10716 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10717 (get_expr_operands): Fix thinko wrt flags and subvars.
10719 PR tree-optimize/22379
10720 * tree-inline.c (expand_call_inline): Do not output sorry in early
10723 2005-07-12 Dale Johannesen <dalej@apple.com>
10725 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
10727 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10730 * host-linux.h: Include limits.h.
10732 2005-07-12 Dale Johannesen <dalej@apple.com>
10734 * expr.c (compress_float_constant): Add cost check.
10735 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
10737 2005-07-12 Dale Johannesen <dalej@apple.com>
10739 * gcc.target/i386/compress-float-sse.c: New.
10740 * gcc.target/i386/compress-float-sse-pic.c: New.
10741 * gcc.target/i386/compress-float-387.c: New.
10742 * gcc.target/i386/compress-float-387-pic.c: New.
10743 * gcc.dg/compress-float-ppc.c: New.
10744 * gcc.dg/compress-float-ppc-pic.c: New.
10746 2005-07-12 Eric Christopher <echristo@redhat.com>
10748 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10749 static extra parts.
10750 * config/s390/s390.md: Include tpf.md. Move tpf specific
10752 * config/s390/tpf.md: To here.
10753 * config/s390/s390.opt: Move tpf specific options...
10754 * config/s390/tpf.opt: to here. Add mmain option.
10755 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10756 * config/s390/tpf.h: Rewrite.
10758 2005-07-12 Eric Christopher <echristo@redhat.com>
10760 * gcc.c (struct infile): Update comment for language.
10761 (main): Rewrite input file resetting code.
10763 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10766 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10767 requiring a cast in a non RHS of modify_expr. Add a cast when required.
10768 (lookup_avail_expr): Use constant_boolean_node instead
10769 of boolean_false_node/boolean_true_node.
10771 2005-07-12 Ben Elliston <bje@au.ibm.com>
10773 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10774 and use it when printing num_edges.
10776 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
10778 * doc/extend.texi (Blackfin Built-in Functions): New section.
10779 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10782 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
10784 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10785 s/cmpstrsi/cmpstrnsi
10786 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10788 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10789 (init_optabs): Initialize cmpstrn_optab.
10790 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10791 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10792 * expr.c: (enum insn_code cmpstrn_optab): Declare.
10793 * config/i386/i386.md: s/cmpstr/cmpstrn
10794 * config/c4x/c4x.md: s/cmpstr/cmpstrn
10795 * doc/md.texi: Update documentation.
10797 2005-07-11 Richard Henderson <rth@redhat.com>
10799 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10800 build_va_arg_indirect_ref.
10801 (alpha_gimplify_va_arg): Likewise.
10802 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10803 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10804 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10805 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10806 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10807 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10809 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10811 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10813 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10814 * passes.c (init_optimization_passes): Add pass_empty_loop.
10815 * tree-pass.h (pass_empty_loop): Declare.
10816 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10817 try_remove_empty_loop, remove_empty_loops): New functions.
10818 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10819 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10821 2005-07-12 Peter Barada <peter@the-baradas.com>
10823 PR middle-end/16719
10824 PR middle-end/18421
10825 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10826 in address registers.
10827 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10828 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10829 alternative of addsi3_5200.
10831 2005-07-11 Ian Lance Taylor <ian@airs.com>
10833 * config/mips/mips.md (ffs<mode>2): Remove.
10835 2005-07-11 Ian Lance Taylor <ian@airs.com>
10837 * doc/tree-ssa.texi (Cleanups): Improve description of
10839 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10841 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10843 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10844 * tree.h (DECL_ARGUMENT_FLD): New macro.
10846 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10848 Fix PR tree-optimization/22404
10850 * tree-ssa-structalias.c (create_variable_info_for): Use
10853 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
10855 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10856 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10857 for second comparison operand.
10858 * config/bfin/predicates.md (reg_or_const_int_operand): New.
10860 * config/bfin/bfin.md (define_attr "type"): Add "sync".
10861 (define_insn_reservation "alu"): Likewise.
10862 (csync, ssync): Now of type sync.
10863 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10864 -mcsync-anomaly -mspecld-anomaly.
10865 * config/bfin/bfin.opt (mcsync): Remove.
10866 (mcsync-anomaly, mspecld-anomaly): Add.
10867 * config/bfin/bfin.c: Include "insn-codes.h".
10868 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10869 (TARGET_DEFAULT_TARGET_FLAGS): New.
10870 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10872 2005-07-11 Steven Bosscher <stevenb@suse.de>
10874 * basic-block.h: Give the BB flags enum a name, bb_flags.
10875 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10876 * cfgcleanup.c (enum bb_flags): Remove here.
10877 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10878 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10879 (update_forwarder_flag): Likewise.
10880 (thread_jump): Likewise.
10881 (try_forward_edges): Likewise.
10882 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
10883 forwarder flags. Don't clear bb->aux for all basic blocks. Only
10884 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10886 2005-07-11 Richard Guenther <rguenther@suse.de>
10888 * config/i386/i386.opt: New target option -msseregparm.
10889 * config/i386/i386.c (override_options): Error out for
10890 -msseregparm but no SSE support.
10891 (ix86_function_sseregparm): Check for global sseregparm.
10892 * doc/invoke.texi: Document -msseregparm.
10894 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10896 * config.gcc (m32r-*-linux*): Use the default extra_parts.
10897 (m32rle-*-linux*): Ditto.
10899 2005-07-11 Jakub Jelinek <jakub@redhat.com>
10901 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10902 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10905 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10907 PR middle-end/22239
10909 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10910 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10912 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
10914 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10915 (varmap): Heapify varmap.
10916 (constraints): Heapify constraints.
10917 (struct constraint_graph): Heapify succs and preds.
10918 (constraint_vec_find): Update for heapification.
10919 (constraint_set_union): Ditto.
10920 (insert_into_complex): Ditto.
10921 (constraint_edge_vec_find): Ditto.
10922 (erase_graph_self_edge): Ditto.
10923 (add_graph_edge): Ditto.
10924 (get_graph_weights): Ditto.
10925 (merge_graph_nodes): Ditto.
10926 (build_constraint_graph): Ditto.
10927 (topo_visit): Ditto.
10928 (solve_graph): Ditto.
10929 (create_variable_info_for): Ditto.
10930 (init_base_vars): Ditto.
10931 (delete_points_to_sets): Free graph, varmap, and complex constraints.
10932 (condese_varmap_nodes): Free complex vector.
10933 (clear_edges_for_node): Clear succs and preds vector.
10935 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10937 * tree-ssa-structalias.c (update_alias_info): Change counting of
10938 references to not include vdefs.
10940 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10942 * tree-ssa-alias.c (free_used_part_map): Add missing free.
10943 (up_insert): Ditto.
10945 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10947 * pa.c (pa_commutative_p): Make PLUS commutative when
10948 TARGET_NO_SPACE_REGS is true.
10950 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10952 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10953 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10954 * tree-dfa.c (dump_subvars_for): New.
10955 (debug_subvars_for): New.
10956 (dump_variable): Show subvariables if VAR has them.
10957 * tree-flow-inline.h (get_subvar_at): New.
10958 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10959 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10961 (struct subvar): Change fields offset and size to unsigned
10963 (dump_subvars_for): Declare.
10964 (debug_subvars_for): Declare.
10965 (get_subvar_at): Declare.
10966 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10967 to unsigned HOST_WIDE_INT *.
10968 (overlap_subvar): Likewise.
10969 * tree-gimple.c (is_gimple_reg): Always return false for
10970 SFTs and memory tags.
10971 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10972 Update all callers.
10973 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10974 (compute_may_aliases): Call compute_points_to_sets.
10975 (collect_points_to_info_for): Remove.
10976 (compute_points_to_and_addr_escape): Remove.
10977 (delete_alias_info): Call delete_points_to_sets.
10978 (compute_flow_sensitive_aliasing): If the call to
10979 find_what_p_points_to returns false, call set_pt_anything.
10980 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10981 (set_pt_anything): Clear pi->pt_vars.
10982 (set_pt_malloc): Remove.
10983 (merge_pointed_to_info): Remove.
10984 (add_pointed_to_expr): Remove.
10985 (add_pointed_to_var): Remove.
10986 (collect_points_to_info_r): Remove.
10987 (is_escape_site): Make extern.
10989 (create_overlap_variables_for): Call it.
10990 * tree-ssa-copy.c (merge_alias_info): Never merge
10991 flow-sensitive alias information.
10992 * tree-ssa-operands.c (get_expr_operands): Adjust variables
10993 offset and size to be unsigned HOST_WIDE_INT.
10994 (add_to_addressable_set): Rename from note_addressable.
10995 Set TREE_ADDRESSABLE as the variables are added to the set.
10997 (add_stmt_operand): Do not try to micro-optimize unmodifiable
10998 operands into VUSEs when adding V_MAY_DEFs for members in an
11000 * tree-ssa-operands.h (add_to_addressable_set): Declare.
11001 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11002 (struct variable_info): Add bitfield is_heap_var.
11003 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11004 (new_var_info): Initialize is_heap_var.
11005 (get_constraint_for): Add HEAP variables to the symbol table.
11006 Mark them with is_heap_var.
11007 (update_alias_info): New. Taken mostly from the old
11008 compute_points_to_and_addr_escape.
11009 (handle_ptr_arith): New.
11010 (find_func_aliases): Call update_alias_info.
11011 Call handle_ptr_info for tcc_binary expressions.
11012 Call mark_stmt_modified.
11013 (create_variable_info_for): If DECL has subvars, do not create
11014 variables for its subvars. Always add all the fields.
11015 (set_uids_in_ptset): If the solution includes ANYOFFSET and
11016 SFTs, then add all the SFTs of the structure.
11017 If VI->DECL is an aggregate with subvariables, add the SFT at
11019 (find_what_p_points_to): If VI is an artificial variable,
11020 translate to bitfields in SSA_NAME_PTR_INFO.
11021 If the solution is empty, set pi->pt_vars to NULL
11022 (init_base_vars): Create ANYOFFSET.
11023 (compute_points_to_sets): Rename from create_alias_vars.
11025 (pass_build_pta): Remove.
11026 (delete_points_to_sets): Rename from delete_alias_vars.
11027 (pass_del_pta): Remove.
11028 * tree-ssa-structalias.h (struct alias_info): Move from
11030 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11031 NUM_REFERENCES_SET): Likewise.
11032 (compute_points_to_sets, delete_points_to_sets): Declare.
11034 2005-07-09 Richard Henderson <rth@redhat.com>
11036 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11037 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11038 alpha_split_lock_test_and_set_12): New functions.
11039 * config/alpha/alpha-protos.h: Update.
11040 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11041 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11042 * config/alpha/sync.md (I12MODE): New.
11043 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11044 (sync_<fetchop_name><I48MODE>): Likewise.
11045 (sync_nand<I48MODE>): Likewise.
11046 (sync_old_<fetchop_name><I48MODE>): Likewise.
11047 (sync_new_<fetchop_name><I48MODE>): Likewise.
11048 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11049 (sync_compare_and_swap<I48MODE>): Likewise.
11050 (sync_lock_test_and_set<I48MODE>): Likewise.
11051 (sync_compare_and_swap<I12MODE>): New.
11052 (sync_compare_and_swap<I12MODE>_1): New.
11053 (sync_lock_test_and_set<I12MODE>): New.
11054 (sync_lock_test_and_set<I12MODE>_1): New.
11056 2005-07-09 Diego Novillo <dnovillo@redhat.com>
11060 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11062 2005-07-09 Jakub Jelinek <jakub@redhat.com>
11064 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11065 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11067 2005-07-09 Richard SAndiford <richard@codesourcery.com>
11070 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11072 2005-07-08 David Edelsohn <edelsohn@gnu.org>
11074 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11075 memory_operand constraint.
11076 (store_conditional_<mode>): Same.
11077 (sync_compare_and_swap<mode>): Same.
11078 (sync_lock_test_and_set<mode>): Same.
11080 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
11082 Rewrite PIC support to more closely model actual instructions.
11083 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11084 (cris_symbol): Remove prototypes for removed functions.
11085 (cris_pic_symbol_type_of, cris_valid_pic_const)
11086 (cris_expand_pic_call_address): Prototypes for new functions.
11087 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11089 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11091 <case ':'>: Add case for new punctuation character.
11092 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11093 emitting (extra) PIC modifier.
11094 <case UNSPEC>: Do not assert for PLT.
11095 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11096 (cris_expand_prologue, cris_expand_epilogue): Check
11097 for pic_offset_table_rtx usage instead of taking
11098 current_function_uses_pic_offset_table as the final word.
11099 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11100 Remove flag_pic difference.
11101 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11102 the moral equivalents of...
11103 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11105 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11106 (cris_handle_option): Mark ARG as unused.
11107 (cris_expand_pic_call_address): New worker function for "call",
11109 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11110 output PIC constructs here.
11111 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11112 as symbol-specific modifers, not whole or part of operands.
11113 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11114 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11115 constants and flag_pic.
11116 (CONSTANT_INDEX_P): Adjust for new functions.
11117 (enum cris_pic_symbol_type): New helper type.
11118 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11119 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11120 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11122 ("movsi"): Emit actual instructions for GOT and relative access.
11123 ("*movsi_got_load"): New pattern to set up the register holding
11125 ("*movsi_internal"): Operand 1 is not a plain general_operand.
11126 Adjust FIXME for 'S'.
11127 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11128 Use "movs" for -fpic cases.
11129 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11130 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11131 ("call", "call_value"): Just call cris_expand_pic_call_address for
11133 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11134 Remove special pattern.
11135 ("*expanded_call_side", "*expanded_call_value_side"): New
11137 (gotplt-to-plt, gotplt-to-plt-side-call)
11138 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11140 * config/cris/cris/predicates.md
11141 ("cris_general_operand_or_gotless_symbol"): Remove unused
11143 ("cris_general_operand_or_symbol"): Adjust for new functions.
11145 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11147 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11149 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
11151 * Makefile.in (TREE_H): Add treestruct.def.
11152 (c-decl.o): Add pointer-set.h
11153 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11154 visibility on regular DECL's.
11155 (merge_decls): Fix the copying of decl nodes of various types for
11156 the new structures. Don't update RTL, section name, weak status,
11157 etc, on DECL's without RTL.
11158 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11159 Don't check volatile on non-variable types.
11160 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11161 to check whether we have seen arguments.
11162 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11163 flag is checked before field (flag is common, field is not).
11164 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
11165 TS_DECL_COMMON could have an origin.
11166 (add_location_or_const_value_attribute): Don't check section name
11167 on non-var/function decls.
11168 (dwarf2out_var_location): Reverse order of tests.
11169 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11170 with DECL_WRTL_CHECK.
11171 * expmed.c (make_tree): rtl is now in decl_with_rtl.
11172 * fold-const.c (fold_binary): Don't check weakness on
11173 non-var/function decls.
11174 (tree_expr_nonzero_p): Ditto.
11175 (fold_checksum_tree): Use tree_decl_extra as sizeof
11177 * ggc-page.c (extra_order_size_table): Add sizes for
11178 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
11180 * gimplify.c (gimplify_bind_expr): Only set
11181 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11182 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11184 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11185 * langhooks.h (init_ts). New langhook.
11186 * passes.c (rest_of_decl_compilation): Reverse order of tests.
11187 * print-tree.c (print_node): Update to only print fields that
11188 exist in the structures the passed decl has.
11189 * toplev.c (wrapup_global_declarations): Don't reset
11190 DECL_DEFER_OUTPUT on DECL's that don't contain it.
11191 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11192 * tree-inline.c (remap_decl): Ditto.
11193 * tree-outof-ssa.c (create_temp): Reverse order of tests.
11194 * tree-pretty-print.c (print_declaration): Don't print
11195 DECL_REGISTER on things that don't contain it.
11196 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11197 non-var/function decls.
11198 * tree.c (tree_contains_struct): New structure.
11199 (init_priority_for_decl): New hashtable.
11200 (tree_int_map): New structure.
11201 (tree_int_map_eq): New function.
11202 (tree_int_map_marked_p): Ditto.
11203 (tree_int_map_hash): Ditto.
11204 (tree_map): Move to tree.h.
11205 (tree_map_eq): Externalize.
11206 (tree_map_hash): Ditto.
11207 (tree_map_marked_p): Ditto.
11208 (init_ttree): Set up tree_contains_struct and call langhook.
11209 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11210 (tree_code_size): Update for new structures.
11211 (tree_node_structure): Update for new structures.
11212 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11214 (copy_node_stat): Copy init priority.
11215 (build_decl_stat): Ditto for visibility.
11216 (ts_enum_names): New.
11217 (tree_contains_struct_check_failed): New function.
11218 (decl_init_priority_lookup): Ditto.
11219 (decl_init_priority_insert): Ditto.
11220 * treestruct.def: New file.
11221 * tree.h (CODE_CONTAINS_STRUCT): New macro.
11222 (CONTAINS_STRUCT_CHECK): Ditto.
11223 (tree_contains_struct_check_failed): New prototype.
11224 (DECL_CHECK): Removed.
11225 (DECL_MINIMAL_CHECK): New.
11226 (DECL_COMMON_CHECK): Ditto.
11227 (DECL_WRTL_CHECK): Ditto.
11228 (DECL_NON_COMMON_CHECK): Ditto.
11229 (DECL_WITH_VIS_CHECK): Ditto.
11230 (VAR_OR_FUNCTION_DECL_P): Ditto
11231 (struct tree_decl_minimal): New structure.
11232 (struct tree_decl_common): Ditto.
11233 (struct tree_decl_with_rtl): Ditto.
11234 (struct tree_decl_with_vis): Ditto.
11235 (struct tree_decl_non_common): Ditto.
11236 (struct tree_field_decl): Ditto.
11237 (struct tree_parm_decl): Ditto.
11238 (struct tree_var_decl): Ditto.
11239 (struct tree_function_decl): Ditto.
11240 (struct tree_const_decl): Ditto.
11241 (struct tree_result_decl): Ditto.
11242 (union tree_node): Add new structures.
11243 * var-tracking.c (track_expr_p): Reverse order of tests.
11245 * doc/c-tree.texi: Add documentation on DECL node internal structure.
11247 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11249 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11250 * system.h: Poison FINALIZE_PIC.
11251 * doc/tm.texi (FINALIZE_PIC): Remove.
11253 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11256 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11257 to the correct type if we have a MODIFY_EXPR.
11259 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
11261 PR tree-optimization/22360
11262 * tree.c (upper_bound_in_type): Fix calculations for casting
11263 to a non-wider signed type and casting a signed value to a
11264 wider unsigned type.
11265 (lower_bound_in_type): Fix calculations for casting to a
11266 non-wider signed type.
11268 PR tree-optimization/20139
11269 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11271 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11272 fold_cond_expr_cond.
11273 * tree-ssanames.c (release_defs): Assert in_ssa_p.
11274 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11276 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
11279 * tree-complex.c (expand_complex_libcall): Produce
11280 REALPART_EXPR/IMAGPART_EXPR with the correct type.
11282 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
11284 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11285 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11286 b" assert and inserted fastpath code for this case.
11287 (bitmap_ior): Removed "a != b" assert.
11289 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11291 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11292 (ENDFILE_SPEC): Likewise.
11293 * config/m32r/m32r.h (ASM_SPEC): Likewise.
11295 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11296 a large stack frame at epilogue.
11298 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
11300 * final.c: Include sdbout.h when required.
11302 2005-07-07 Geoffrey Keating <geoffk@apple.com>
11304 * config.gcc (*-*-darwin*): Only one target-specific header file
11305 for generic darwin.
11306 (powerpc-*-darwin*): Add version-specific header files.
11307 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11308 * config.in: Regenerate.
11309 * configure: Regenerate.
11310 * gcc.c: Include xregex.h.
11311 (version_compare_spec_function): New.
11312 (spec_function): Add version-compare.
11313 (replace_outfile_spec_function): Reformat comment.
11314 (compare_version_strings): New.
11315 * config/darwin-c.c (version_as_macro): New.
11316 (builtin_define): New.
11317 (darwin_cpp_builtins): New.
11318 * config/darwin-protos.h (darwin_cpp_builtins): New.
11319 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11320 (LIB_SPEC): Make unconditional, update comment.
11321 (TARGET_C99_FUNCTIONS): Define.
11322 * config/darwin.opt: Sort.
11323 (mmacosx-version-min=): New.
11324 * config/darwin7.h: Delete.
11325 * config/darwin8.h: Delete.
11326 * config/i386/darwin.h (): Call darwin_cpp_builtins.
11327 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11328 (TARGET_C99_FUNCTIONS): Define.
11329 * config/rs6000/darwin7.h: New.
11330 * config/rs6000/darwin8.h: New.
11331 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11332 (-mmacosx-version-min): Document.
11334 2005-07-07 Ian Lance Taylor <ian@airs.com>
11336 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11338 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
11340 PR middle-end/22239
11341 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11343 2005-07-07 Khem Raj <kraj@mvista.com>
11345 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11346 in bytes, not words.
11348 2005-07-07 Paul Brook <paul@codesourcery.com>
11350 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11351 DEFAULT_FUNCTION_ARG_PADDING to upward.
11353 2005-07-07 Richard Henderson <rth@redhat.com>
11355 * function.c (locate_and_pad_parm): Record parameter alignment in
11356 stack_alignment_needed.
11358 2005-07-07 David Edelsohn <edelsohn@gnu.org>
11360 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11361 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11362 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11363 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11364 (define_attr "type"): Add isync, sync, load_l, store_c.
11365 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11366 Create scratch volatile MEM.
11367 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
11369 (load_locked_<mode>): New.
11370 (store_conditional_<mode>): New.
11371 (sync_compare_and_swap<mode>): Replace with splitter.
11372 (sync_lock_test_and_set<mode>): Replace with splitter.
11373 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11375 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
11376 is ics. Attribute isync.
11377 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
11379 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11380 and UNSPECV_SYNC_OP.
11381 (emit_unlikely_jump): New.
11382 (emit_load_locked): New.
11383 (emit_store_conditional): New.
11384 (rs6000_split_compare_and_swap): New.
11385 (rs6000_split_lock_test_and_set): New.
11386 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11387 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11388 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11389 rs6000_split_lock_test_and_set): Declare.
11390 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11391 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11392 store_c, isync, sync.
11394 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
11396 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11397 filenames to gtyp-gen.h.
11398 (s-typ-gen): Use it in place of for loops.
11400 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
11402 * hooks.c (hook_bool_rtx_int_false): New function.
11403 * hooks.h (hook_bool_rtx_int_false): Declare.
11404 * target-def.h (TARGET_COMMUTATIVE_P): Define.
11405 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11406 * target.h (struct gcc_target): Add commutative_p member.
11407 * targhooks.c (hook_bool_rtx_commutative_p): New function.
11408 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11409 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11410 (pa_commutative_p): New function.
11411 * jump.c (target.h): Include.
11412 (rtx_renumbered_equal_p): Use targetm.commutative_p.
11413 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11415 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11417 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11418 (s390_expand_setmem): New.
11419 * config/s390/s390.c: Likewise.
11420 (print_shift_count_operand): Truncate to 12 bits instead of 6.
11422 * config/s390/s390.md: ("setmem<mode>"): Accept character as
11423 general_operand. Call new function "s390_expand_setmem".
11424 ("clrmem_long", "*clrmem_long"): Rewrite to ...
11425 ("setmem_long", "*setmem_long"): ... this.
11427 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11429 * config/s390/s390.c: (optimization_options): Enable
11430 TARGET_MVCLE at -Os.
11431 * doc/invoke.texi: Document changes in default behaviour.
11432 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11434 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
11436 * expr.c: (set_storage_via_setmem): Convert opchar to mode
11437 defined by back-end.
11439 2005-07-07 Jakub Jelinek <jakub@redhat.com>
11441 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11442 all sets in the pattern.
11443 * config/rs6000/rs6000.md (stack_protect_testsi,
11444 stack_protect_testdi): Likewise.
11446 2005-07-06 Jeff Law <law@redhat.com>
11448 * tree-vrp.c (simplify_using_ranges): Kill.
11449 (vrp_finalize): Remove call to simplify_using_ranges.
11450 (simplify_stmt_using_ranges): New function extracted from
11451 simplify_using_ranges.
11452 (simplify_div_or_mod_using_ranges): Likewise.
11453 (simplify_abs_using_ranges): Likewise.
11454 (simplify_cond_using_ranges): New function.
11455 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11456 * tree-ssa-propagate.c (substitute_and_fold): Call
11457 simplify_stmt_using_ranges if we have range information.
11459 2005-07-06 James E. Wilson <wilson@specifixinc.com>
11461 * config/ia64/ia64.c (ia64_reorg): Check optimize before
11462 ia64_flag_schedule_isns2.
11464 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11465 reading/writing general registers.
11466 (ia64_function_arg): Revert 2005-06-18 change.
11468 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
11470 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11471 (legitimize_tls_address): Use gcc_unreachable instead of abort.
11473 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
11475 * function.c (expand_function_end): Revert part of 2005-06-27
11476 patch. Do sjlj_emit_function_exit_after after return_label.
11478 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11480 * doc/install.texi (--disable-libssp): New.
11482 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
11484 * doc/invoke.texi: Update -fforce-mem documentation.
11485 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11486 code for -fforce-mem.
11487 * expmed.c: (store_bit_field,store_fixed_bit_field,
11488 extract_bit_field): Ditto.
11489 * expr.c: (convert_move): Ditto.
11490 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11491 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11492 emit_conditional_add,expand_float,expand_fix): Ditto.
11493 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11494 (common_handle_option): Issue warning when -fforce-mem specified.
11496 2005-07-06 Paul Brook <paul@codesourcery.com>
11498 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11500 * configure: Regenerate.
11502 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
11504 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11506 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
11508 Fix PR tree-optimization/22319
11509 Fix PR tree-optimization/22140
11510 Fix PR tree-optimization/22310
11512 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11513 variable sized types.
11514 Use correct type for intermediate structure on *a = *b structure
11517 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11519 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11521 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11522 (machine_function): Move typedef to...
11523 * config/rs6000/rs6000.c (machine_function): ... here. Add
11524 varargs_save_offset field.
11525 (rs6000_stack_t): Remove varargs_size field.
11526 (setup_incoming_varargs): Allocate varargs save area using
11527 assign_stack_local, try to make it as small as possible.
11528 Save offset from virtual_stack_vars_rtx to the save area
11529 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
11530 instead of magic 8 when fp word byte size is used.
11531 (rs6000_va_start): Use cfun->machine->varargs_save_offset
11532 instead of -RS6000_VARARGS_SIZE.
11533 (rs6000_stack_info, debug_stack_info,
11534 rs6000_initial_elimination_offset): Remove all traces of
11536 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11537 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11538 RS6000_VARARGS_AREA.
11540 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
11542 PR tree-optimization/21963
11543 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11544 constant_multiple_of in the same way get_computation_cost_at does.
11546 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11548 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11549 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11550 (gen_compare_reg): If sparc_compare_emitted is set, clear it
11551 and return its previous value.
11552 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11553 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11555 (stack_protect_set, stack_protect_test): New expanders.
11556 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11557 stack_protect_testdi): New insns.
11558 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11559 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11561 2005-07-06 Jeff Law <law@redhat.com>
11563 * tree-ssa-dce.c (cfg_altered): New global.
11564 (tree_dce_init): Initialize cfg_altered.
11565 (remove_dead_stmt): If we remove an edge in the CFG, then set
11567 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11570 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11572 * Makefile.in (stamp-collect-ld): Use
11573 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
11574 ./collect-ld if it already exists.
11575 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11576 Don't remove ./nm if it already exists.
11578 2005-07-05 Devang Patel <dpatel@apple.com>
11580 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11581 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11582 * tree-vectorizer.c (vect_loop_location): New.
11583 (vect_print_dump_info): Use vect_loop_location.
11584 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11585 (vectorize_loops): Set vect_loop_location.
11586 * tree-vect-analyze.c (vect_analyze_offset_expr,
11587 vect_determin_vectorization_factor, vect_analyze_operations,
11588 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11589 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11590 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11591 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11592 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11593 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11594 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11595 vect_analyze_loop): Adjust vect_print_dump_info API.
11596 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11597 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11598 vect_finish_stmt_generation, vectorizable_assignment,
11599 vectorizable_operation, vectorizable_store, vectorizable_load,
11600 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11601 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11602 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11603 vect_transform_loop): Same.
11604 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11605 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11608 2005-07-05 Randolph Chung <tausq@debian.org>
11610 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11611 * configure: Regenerate.
11612 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11613 (pa_tls_referenced_p): Declare.
11614 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11615 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11616 (legitimize_tls_address): New.
11617 (hppa_legitimize_address): Handle TLS addresses.
11618 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11619 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11620 (emit_move_sequence): Handle TLS addresses.
11621 (pa_encode_section_info): Call default handler to handle common
11623 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11624 (CONSTANT_ADDRESS_P): Reject TLS operands.
11625 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11626 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11627 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11628 (UNSPEC_TLSLE): Define new constants.
11629 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11630 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11631 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11632 (tie_symbolic_operand, tle_symbolic_operand): New
11634 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
11636 * aclocal.m4: Update macros for autoconf 2.59 style.
11637 * configure.ac: Likewise.
11639 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11641 * pa.c (function_value): Handle small aggregates on 32-bit targets.
11642 (function_arg): Pass small aggregates in general registers on 32-bit
11644 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11646 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
11648 * Makefile.in (final.o): Fix dependencies.
11650 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11654 * langhooks.h (struct lang_hooks): Add expr_to_decl.
11655 * langhooks.c (lhd_expr_to_decl): New.
11656 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11658 (LANG_HOOKS_INITIALIZER): Update.
11659 * tree.c (recompute_tree_invarant_for_addr_expr): Call
11660 expr_to_decl langhook.
11661 * c-tree.h (c_expr_to_decl): Declare.
11662 * c-typeck.c (c_expr_to_decl): New.
11663 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11665 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11667 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11670 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11671 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11673 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
11675 * Makefile.in: Adjust dependencies.
11676 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11677 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11678 * alias.c (rest_of_handle_cfg, pass_cfg): New.
11679 * bb-reorder.c (duplicate_computed_gotos): Make it static.
11680 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11681 rest_of_compilation.
11683 * bb-reorder.c (gate_duplicate_computed_gotos,
11684 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11685 rest_of_handle_reorder_blocks, pass_reorder_blocks,
11686 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11687 pass_partition_blocks): New.
11688 * bt-load.c (gate_handle_branch_target_load_optimize,
11689 rest_of_handle_branch_target_load_optimize,
11690 pass_branch_target_load_optimize): New.
11691 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11693 * cfglayout.c (pass_insn_locators_initialize): New.
11694 * cfgrtl.c (pass_free_cfg): New.
11695 * combine.c (gate_handle_combine, rest_of_handle_combine,
11696 pass_combine): New.
11697 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11698 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11699 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11700 * except.c (pass_set_nothrow_function_flags,
11701 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11703 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11704 rest_of_handle_shorten_branches, pass_shorten_branches,
11705 rest_of_clean_state, pass_clean_state): New.
11706 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11707 rest_of_handle_remove_death_notes, pass_remove_death_notes,
11708 rest_of_handle_life, pass_life, rest_of_handle_flow2,
11710 * function.c (pass_instantiate_virtual_regs, pass_init_function,
11711 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11712 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11713 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11715 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11716 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11717 pass_rtl_ifcvt, gate_handle_if_after_combine,
11718 rest_of_handle_if_after_combine, pass_if_after_combine,
11719 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11720 pass_if_after_reload): New.
11721 * integrate.c (pass_initial_value_sets): New.
11722 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11723 pass_purge_lineno_notes): New.
11724 * mode-switching.c (rest_of_handle_mode_switching,
11725 pass_mode_switching): New.
11726 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11727 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11729 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11730 pass_loop_optimize): New.
11731 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11733 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11735 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11736 pass_postreload_cse): New.
11737 * profile.c (gate_handle_profiling, pass_profiling,
11738 rest_of_handle_branch_prob, pass_branch_prob): New.
11739 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11740 pass_split_before_regstack, gate_handle_split_before_regstack,
11741 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11742 rest_of_handle_split_all_insns, pass_split_all_insns): New.
11743 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11744 pass_stack_regs): New.
11745 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11746 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11747 pass_stack_adjustments): New.
11748 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11749 pass_regrename): New.
11750 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11751 pass_delay_slots, gate_handle_machine_reorg,
11752 rest_of_handle_machine_reorg, pass_machine_reorg): New.
11753 * rtl.h (extern void purge_line_number_notes): New.
11754 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11755 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11757 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11759 * value-prof.c (gate_handle_value_profile_transformations,
11760 rest_of_handle_value_profile_transformations,
11761 pass_value_profile_transformations): New.
11762 * var-tracking.c (gate_handle_var_tracking,
11763 pass_variable_tracking): New.
11764 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11766 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11767 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11768 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11769 rest_of_handle_old_regalloc, rest_of_handle_regrename,
11770 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11771 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11772 rest_of_handle_gcse2, rest_of_handle_regmove,
11773 rest_of_handle_tracer, rest_of_handle_if_conversion,
11774 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11775 rest_of_handle_web, rest_of_handle_branch_prob,
11776 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11777 rest_of_handle_jump_bypass, rest_of_handle_combine,
11778 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11779 rest_of_handle_gcse, rest_of_handle_loop_optimize,
11780 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11781 rest_of_handle_mode_switching, rest_of_handle_jump,
11782 rest_of_handle_eh, rest_of_handle_stack_adjustments,
11783 rest_of_handle_flow2, rest_of_handle_jump2,
11784 rest_of_handle_peephole2, rest_of_handle_postreload,
11785 rest_of_handle_shorten_branches, rest_of_clean_state,
11786 rest_of_compilation): Remove.
11788 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11789 * passes.c (dump_flags, in_gimple_form, all_passes,
11790 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11791 register_dump_files, next_pass_1, last_verified, execute_todo,
11792 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11793 from tree-optimize.c.
11794 (init_optimization_passes): Moved from tree-optimize.c,
11795 adding the RTL optimizations.
11796 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11797 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11798 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11799 register_dump_files, next_pass_1, last_verified, execute_todo,
11800 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11801 init_tree_optimization_passes, ipa_passes): Delete.
11802 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11804 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11805 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11807 (ipa_passes): Remove.
11808 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11809 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11810 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11811 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11812 (dump_info_p, dump_flag): Moved to tree-dump.h.
11814 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11816 * passes.c (finish_optimization_passes): Use dump_begin
11817 and dump_end, TDI_end.
11818 (gate_rest_of_compilation): New.
11819 (pass_rest_of_compilation): Use it.
11820 (gate_postreload, pass_postreload): New.
11821 * toplev.c (general_init): Rename init_tree_optimization_passes.
11822 * toplev.h (init_tree_optimization_passes): Rename to
11823 init_optimizations_passes.
11824 * tree-dump.c (dump_flag): Make static.
11825 (dump_files): Remove RTL dumps.
11826 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11827 pass_cleanup_cfg, pass_free_cfg_annotations,
11828 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11829 pass_init_datastructures, pass_fixup_cfg): Make non-static.
11830 * tree-pretty-print.c: Include tree-pass.h.
11831 * cgraph.c: Include tree-dump.h.
11833 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11835 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11836 Only fall back to saying it points to readonly memory if
11837 we can't do better.
11839 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11841 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11842 * config/m32r/m32r.c (m32r_compute_frame_size,
11843 m32r_expand_prologue): Take current_function_profile into
11844 account whenever we reference
11845 current_function_uses_pic_offset_table.
11846 (m32r_finalize_pic): Remove.
11847 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11849 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
11851 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11852 instead of $<. Don't remove ./as if it already exists.
11854 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11857 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11858 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11859 for complex modes when generating code for PA 1.0.
11860 (VALID_FP_MODE_P): New macro.
11861 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11862 sets for all general and floating point modes. Align wide floating
11863 point modes to even register boundaries to comply with architectural
11865 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11866 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
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
11873 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11875 * tree-dump.c (dump_files): Initialize dump number for .cgraph
11878 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11880 * tree-ssa-structalias.c: Don't include expr.h.
11882 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11884 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11887 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11889 Fix PR tree-optimization/22279
11891 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11894 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
11896 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11898 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11900 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11901 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11902 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11903 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11904 config/stormy16/stormy16.c, config/v850/v850.c,
11905 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11906 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11907 Avoid "." or "\n" at end of diagnostics and capital letters at
11908 start of diagnostics.
11909 * combine.c, cse.c: Don't translate dump file output.
11910 * toplev.c (print_version): Only translate output if going to
11913 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11915 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11916 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11919 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11921 * pa.c (fix_range): Fix typo in comment.
11923 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11925 * tree-vrp.c (extract_range_from_assert): Replace
11926 fold (build (...)) with fold_build2.
11928 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11930 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11931 gcc_gfc_char_table, init_dynamic_gfc_info): New.
11932 (format_types_orig, handle_format_attribute): Add support for
11935 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
11937 * varasm.c (assemble_variable): Fix format specifier thinko.
11939 2005-07-03 Ira Rosen <irar@il.ibm.com>
11941 PR tree-optimization/22029 (and 22135)
11942 * tree-pretty-print.c (dump_generic_node): Check that the node is not
11943 a phi node before calling dump_vops.
11945 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11947 * tree-dump.h (dump_string_field): Declare.
11948 * tree-dump.c: Use it instead of dump_string.
11949 (dump_string_field): Make non-static.
11951 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
11953 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11954 up the minimal CFG stuff always when optimize > 0. Call
11955 split_all_insns_noflow in PIC case if needed.
11957 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11958 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11961 * c-decl.c (c_write_global_declarations): Dump contents of
11963 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11964 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11965 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11966 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11969 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11971 * c-common.h (GCC_DIAG_STYLE): Define.
11972 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
11973 version for format checking to 4.1.
11974 * c-format.c: Include toplev.h after c-common.h.
11975 (enum format_type): Add gcc_tdiag_format_type.
11976 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11977 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11978 (format_types_orig): Add gcc_tdiag.
11979 (init_dynamic_diag_info): Support gcc_tdiag formats.
11980 (handle_format_attribute): Likewise.
11981 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11982 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
11983 version for format checking to 4.1.
11984 (warning0, warning, error, pedwarn, sorry): Use
11985 ATTRIBUTE_GCC_DIAG.
11986 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11987 (finish_aliases_1): Do not use %qE.
11988 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11989 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11990 Correct format bugs.
11991 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11992 parameter to unsigned HOST_WIDE_INT.
11993 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11995 2005-07-02 David Edelsohn <edelsohn@gnu.org>
11997 PR middle-end/21742
11998 * expr.c (write_complex_part): Use adjust_address for MEM.
11999 (read_complex_part): Same.
12001 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
12003 Fix PR tree-optimization/22280
12005 * tree-sra.c (generate_element_init): Remove useless loop.
12007 2005-07-02 Richard Henderson <rth@redhat.com>
12009 * config/alpha/alpha.c (alpha_legitimize_address): Check for
12011 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12013 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
12015 PR middle-end/14490
12016 * fold-const.c (fold_binary): Handle the return value of
12017 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12018 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12020 2005-07-02 Jeff Law <law@redhat.com>
12022 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12023 a eliminate type conversion which feeds an equality comparison
12024 if the original type or either operand in the comparison is a
12027 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
12029 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12030 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12032 * config/avr/avr.c: Do not use '`' as left quote.
12033 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12034 Remove "." from end of diagnostics. Make diagnostics start with
12037 2005-07-02 Zack Weinberg <zack@codesourcery.com>
12038 Joseph S. Myers <joseph@codesourcery.com>
12040 * toplev.c (default_tree_printer): Handle setting location with
12042 * c-objc.common.c (c_tree_printer): Likewise.
12043 * c-format.c (gcc_diag_flag_specs): Add '+'.
12044 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12045 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12047 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12048 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12049 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12050 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12051 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12052 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
12053 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
12054 format arguments where %J is used without %D.
12056 2005-07-02 Jakub Jelinek <jakub@redhat.com>
12058 * gcc.c (LINK_SSP_SPEC): Define.
12059 (link_ssp_spec): New variable.
12060 (LINK_COMMAND_SPEC): Add %(link_ssp).
12061 (static_specs): Add link_ssp_spec.
12062 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12063 * configure: Rebuilt.
12064 * config.in: Rebuilt.
12066 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12067 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12068 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12069 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12070 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12071 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12072 -0x7008(2) instead of reading __stack_chk_guard variable.
12073 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12075 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12076 (stack_protect_set, stack_protect_test): Use *_tls* patterns
12077 if TARGET_THREAD_SSP_OFFSET is defined.
12078 (stack_tls_protect_set_si, stack_tls_protect_set_di,
12079 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12082 2005-06-27 Richard Henderson <rth@redhat.com>
12083 * libgcc-std.ver (GCC_4.1.0): New.
12084 * libgcc.h (__stack_chk_guard): Declare.
12085 (__stack_chk_fail, __stack_chk_fail_local): Declare.
12086 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12087 * mklibgcc.in (lib2funcs): Add them.
12089 2005-07-01 Richard Henderson <rth@redhat.com>
12091 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12092 void * before struct sigcontext *.
12093 (x86_fallback_frame_state): Likewise.
12095 2005-07-01 James E. Wilson <wilson@specifixinc.com>
12097 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12099 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12102 * tree-ssa-reassoc.c (should_transpose): Fix which operand
12103 we check for SSA_NAME for.
12105 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
12107 Fix PR tree-optimization/22071
12109 * tree-ssa-structalias.c (offset_overlaps_with_access): New
12111 (get_constraint_for_component_ref): Use it.
12113 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
12116 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12117 print out the last new line.
12119 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
12121 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12122 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12123 * config/cris/cris.c (cris_conditional_register_usage): Adjust
12124 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12125 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12126 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12127 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12128 (enum reg_class): New member CC0_REGS.
12129 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12130 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12131 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12132 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12133 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12134 Adjust for register now described.
12136 2005-07-01 Jakub Jelinek <jakub@redhat.com>
12139 * config/i386/i386.md (stack_protect_test_si,
12140 stack_protect_test_di): Add earlyclobber for scratch 3.
12141 * config/rs6000/rs6000.md (stack_protect_testsi,
12142 stack_protect_testdi): Add earlyclobber for scratch 3,
12143 remove earlyclobber from scratch 4.
12145 Older entries for 2005 can be found in ChangeLog-2005.