1 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5 instead of DECL_REGISTER.
7 2006-02-18 Olivier Hainque <hainque@adacore.com>
10 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16 * opth-gen.awk: Handle Var and InverseMask together.
17 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
19 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
20 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
22 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
23 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
24 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
25 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
26 LINUX_DYNAMIC_LINKER): Define.
27 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
28 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
30 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
31 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
32 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
33 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
34 (TARGET_C99_FUNCTIONS): Don't define.
35 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
37 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
38 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
39 GLIBC_DYNAMIC_LINKER64): Define.
40 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
41 LINUX_DYNAMIC_LINKER64.
42 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
43 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
44 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
45 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
46 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
47 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
48 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
49 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
50 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
51 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
52 and LINUX_DYNAMIC_LINKER32.
53 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
54 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
55 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
56 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
57 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
59 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
60 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
61 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
62 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
63 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
64 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
65 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
66 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
67 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
68 LINUX_DYNAMIC_LINKER): Define.
69 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
70 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
71 GLIBC_DYNAMIC_LINKER64): Define.
72 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
73 LINUX_DYNAMIC_LINKER64.
74 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
75 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
76 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
77 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
78 LINUX_DYNAMIC_LINKER): Define.
79 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
80 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
81 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
82 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
83 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
84 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
85 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
86 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
87 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
88 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
89 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
90 * doc/invoke.texi (-muclibc): Remove caveat about supported
93 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
95 * doc/cpp.texi (__TIMESTAMP__): Document.
97 2006-02-17 Roger Sayle <roger@eyesopen.com>
100 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
101 C is one less than the width of X (and related transformations).
102 * simplify_rtx.c (simplify_unary_operation_1): Transform
103 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
104 depending on STORE_FLAG_VALUE, were C is one less then the
107 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
109 Fix PR tree-optimization/26341
110 * tree-ssa-operands.c (add_virtual_operand): Remove assert
111 about NAME_MEMORY_TAG's.
113 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
116 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
117 with hardware float support, and software float support. Add fcpy
118 alternative to hardware patterns. Add alternatives to copy between
119 general and floating-point registers to the 32-bit pattern.
120 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
121 secondary reload to load a QI or HI mode constant into a floating
123 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
124 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
126 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
129 * config/rs6000/darwin.md (load_macho_picbase_si): Add
131 (load_macho_picbase_di): Likewise.
133 2006-02-16 Jeff Law <law@redhat.com>
135 * tree-vrp.c (set_value_range_to_nonnegative): New function.
136 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
137 (ssa_name_nonzero_p): Likewise.
138 (get_value_range): Return NULL if VRP is not running.
139 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
140 VRP routines do not discover a range.
141 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
142 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
143 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
144 (tree_expr_nonnegative_p): Similarly.
145 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
146 (restore_nonzero_vars_to_original_value): Remove.
147 (unsafe_associative_fp_binop): Remove.
148 (tree_ssa_dominator_optimize): Remove initialization and
149 finalization of nonzero_vars and nonzero_vars_stack.
150 (dom_opt_initialize_block): No longer push marker on
152 (dom_opt_finalize_block): No longer call
153 restore_nonzero_vars_to_original_value.
154 (record_equivalences_from_phis): No longer look for
155 nonzero PHI arguments.
156 (cprop_into_successor_phis): No longer propagate nonzero
157 property into PHI arguments. Lose unused argument. Caller
159 (record_equivalences_from_stmt): No longer record nonzero
160 values for SSA_NAMEs.
161 (lookup_avail_expr): No longer use nonzero_vars.
163 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
164 for sizetype when sizetype is unsigned.
166 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
168 PR rtl-optimization/25603
169 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
170 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
171 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
172 with new meaning of SETS.
174 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
179 * config/linux.opt: New file.
180 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
181 LINUX_DYNAMIC_LINKER): Define.
182 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
183 * config.gcc (*-*-linux*): Define extra_options.
184 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
185 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
186 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
187 GLIBC_DYNAMIC_LINKER.
188 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
189 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
190 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
191 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
192 * doc/invoke.texi (GNU/Linux Options): New section.
194 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
196 * config/sparc/sparc.md (setjmp): Rewrite.
198 (setjmp_64): Likewise.
200 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
202 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
205 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
207 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
210 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
212 PR rtl-optimization/26296
213 * Makefile.in (loop-invariant.c): Add except.h dependency.
214 * loop-invariant.c: Include except.h.
215 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
217 2005-02-16 Paul Brook <paul@codesourcery.com>
219 * reload1.c (emit_reload_insns): Invalidate dead input registers used
222 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
224 PR rtl-optimization/25636
225 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
226 when deciding whether an insn is an initializing insn.
228 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
230 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
231 (tree_code_size): Ditto.
232 * tree.h (struct tree_memory_tag): Remove parent_var.
233 (struct tree_struct_field_tag): New.
236 (union tree_node): Add sft member.
237 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
239 (create_sft): Add size and offset argument, set SFT_OFFSET and
241 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
242 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
243 * tree-flow-inline.h (get_subvar_at): Update for
245 (var_can_have_subvars): Ditto.
246 (overlap_subvar): Ditto.
247 * print-tree.c (print_node): Print out interesting things for
249 * tree-flow.h (struct subvar): Remove offset and size members.
250 * tree-ssa-operands.c (get_expr_operands): Update for
251 get_indirect_ref_operands changes.
252 (get_indirect_ref_operands): Call add_virtual_operand instead of
253 add_stmt_operand. Only recurse on base var if requested.
254 (access_can_touch_variable): New function.
255 (add_stmt_operand): Split virtual operand handling into ...
256 (add_virtual_operand): Here. Add offset, size, and for_clobber
257 arguments. Prune alias sets.
258 (add_call_clobber_ops): Call add_virtual_operand.
260 2006-02-15 Jakub Jelinek <jakub@redhat.com>
263 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
265 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
266 than TREE_CODE as index into omp_clause_num_ops array.
268 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
270 PR rtl-optimization/26184
271 * modulo-sched.c (generate_reg_moves): Free bitmap vector
273 * modulo-sched.c (sms_schedule): Free g_arr pointer.
274 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
275 must_precede, must_follow and tobe_scheduled.
278 * opts.c (common_handle_option): Free new_option pointer.
279 * df-core.c (df_analyze): Free postorder pointer.
281 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
283 * Makefile.in: Fix the examples about the use of stamps
285 2006-02-15 Michael Matz <matz@suse.de>
289 * stor-layout.c (layout_decl): Zero-width bitfields aren't
290 influenced by maximum_field_alignment or DECL_PACKED.
291 (update_alignment_for_field): Ditto.
292 (place_field): Ditto.
293 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
296 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
298 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
299 (debug_flow_info): Pass it.
300 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
301 * bb-reorder.c (reorder_basic_blocks): Likewise.
302 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
303 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
304 * flow.c (life_analysis, recompute_reg_usage): Likewise.
305 * gcse.c (gcse_main, bypass_jumps): Likewise.
306 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
307 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
308 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
309 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
310 * rtl.h (dump_flow_info): Adjust prototype.
311 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
312 * var-tracking.c (variable_tracking_main): Likewise.
313 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
314 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
317 2006-02-15 Marcin Dalecki <martin@dalecki.de>
319 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
322 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
324 PR tree-optimization/26209
325 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
326 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
328 * tree-cfg.c (replace_uses_by): Do not alter cfg.
330 2006-02-14 Roger Sayle <roger@eyesopen.com>
333 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
334 (X,Y) and the corresponding symmetry related transformations.
335 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
336 (X,Y) and its symmetry related transformations.
338 2006-02-14 Roger Sayle <roger@eyesopen.com>
340 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
343 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
345 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
347 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
350 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
351 support COMDAT group.
352 * configure: Regenerate.
354 2006-02-14 Roger Sayle <roger@eyesopen.com>
359 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
361 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
363 Fix PR tree-optimization/26260
365 * doc/invoke.texi (max-fields-for-field-sensitive): Document
367 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
368 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
369 * tree-ssa-structalias.c (create_variable_info_for): Use
370 MAX_FIELDS_FOR_FIELD_SENSITIVE.
372 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
374 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
376 * tree-ssa-loop-niter.c (number_of_iterations_ne,
377 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
378 of the ending condition.
379 * tree-ssa-loop-manip.c: Include params.h.
380 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
381 tree_unroll_loop): New functions.
382 * tree-pass.h (pass_loop_prefetch): Declare.
383 * loop.c (rest_of_handle_loop_optimize): Test for
384 -fprefetch-loop-arrays-rtl.
385 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
386 * timevar.def (TV_TREE_PREFETCH): New timevar.
387 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
388 pass_loop_prefetch): New.
389 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
390 (cleanup_tree_cfg_loop): Call scev_reset.
391 * common.opt (fprefetch-loop-arrays-rtl): Add.
392 * tree-ssa-loop-prefetch.c: New file.
393 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
394 (new_temp_expr_table): Initialize expr_vars.
395 (free_temp_expr_table): Cleanup expr_vars.
396 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
397 expressions from being merged into one.
398 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
399 (struct tree_niter_desc): Add control, bound and cmp fields.
400 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
402 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
403 (tree-cfgcleanup.o): Add SCEV_H dependency.
404 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
405 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
407 2006-02-14 Richard Guenther <rguenther@suse.de>
409 PR tree-optimization/26258
410 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
411 in PHI argument processing.
413 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
415 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
416 new expression in the requested machine mode.
418 2006-02-13 Roger Sayle <roger@eyesopen.com>
420 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
421 directly, instead let do_compare_rtx_and_jump handle this for us.
422 * expr.c (expand_expr_real_1): Likewise.
423 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
424 before do_jump_by_parts_greater.
425 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
426 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
428 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
430 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
432 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
434 PR rtl-optimization/26235
435 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
436 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
439 2006-02-13 Jeff Law <law@redhat.com>
441 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
444 2006-02-13 Jakub Jelinek <jakub@redhat.com>
447 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
448 twice if decl is a builtin. When trying again, call get_callee_fndecl
449 first to verify it is still a builtin.
451 2006-02-13 Geoffrey Keating <geoffk@apple.com>
453 * dwarf2out.c (base_type_die): Don't add AT_name here.
454 (subrange_type_die): Don't add AT_name here.
455 (modified_type_die): Rearrange code flow. Do add AT_name here.
457 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
459 PR rtl-optimization/26247
460 PR rtl-optimization/26248
461 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
463 2006-02-13 Richard Sandiford <richard@codesourcery.com>
465 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
466 * config/fixtfdi.c: Likewise.
467 * config/fixunstfdi.c: Likewise.
468 * config/floatditf.c: Likewise.
470 2006-02-13 Roger Sayle <roger@eyesopen.com>
473 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
474 into (X,C2) if C1 is a subset of the bits of C2. Transform
475 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
477 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
479 2006-02-13 Josh Conner <jconner@apple.com>
482 * varasm.c (function_section): Check for section name before
483 calling select_section on targets that define
484 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
485 unlikely_text_section instead of hot_function_section if
486 first_function_block_is_cold.
488 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
491 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
493 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
495 PR rtl-optimization/26222
496 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
497 after tree->rtl expansion.
498 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
499 before passing it to emit_move_insn.
501 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
503 * doc/invoke.texi (-Write-strings): Document that it is enabled by
505 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
506 Clarify documentation.
507 * c-common.h (warn_write_strings): Remove.
508 * c-common.c (warn_write_strings): Likewise.
509 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
512 2006-02-12 Roger Sayle <roger@eyesopen.com>
515 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
516 (do_jump_parts_zero_rtx): New function renamed from
517 do_jump_parts_equality_rtx. Made static. Add a mode argument.
518 (do_jump_parts_equality_rtx): New function split out from
519 do_jump_parts_equality. Old implementation renamed as above.
520 Call do_jump_parts_zero_rtx if either operand is zero.
521 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
522 do all of the heavy lifting.
523 (do_compare_rtx_and_jump): Handle multi-word comparisons by
524 calling either do_jump_by_parts_greater_rtx or
525 do_jump_by_parts_equality_rtx.
526 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
527 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
528 moved to do_compare_rtx_and_jump, call it directly.
529 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
530 mode argument. Call do_compare_rtx_and_jump.
531 (emit_case_nodes): Update calls to do_jump_if_equal.
533 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
535 PR rtl-optimization/26225
536 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
538 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
540 PR rtl-optimization/26232
541 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
543 2006-02-11 Jason Merrill <jason@redhat.com>
546 * tree-inline.c (declare_return_variable): Just don't use the
547 modify target if it's a gimple complex reg and the return slot
550 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
552 * doc/contrib.texi: Update my entry.
554 2006-02-10 Geoffrey Keating <geoffk@apple.com>
556 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
558 2006-02-10 Diego Novillo <dnovillo@redhat.com>
560 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
563 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
565 * doc/invoke.texi (-floop-optimize2): Removed.
566 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
567 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
568 Test flag_branch_on_count_reg only if HAVE_doloop_end.
569 * common.opt (floop-optimize2): Removed.
570 (fmove-loop-invariants): Enabled by default.
572 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
574 * tree-if-conv.c (combine_blocks): Free the result of
577 2006-02-10 Jeff Law <law@redhat.com>
579 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
581 PR tree-optimization/26213
582 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
583 loop trying to follow SSA_NAME_VALUE chains.
585 2006-02-10 Richard Guenther <rguenther@suse.de>
587 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
588 deal with structures that end in implicitly variable sized arrays.
590 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
592 PR rtl-optimization/24762
593 * df-scan.c (df_bb_refs_record): Record correct registers defined on
596 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
598 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
599 (struct ivopts_data): Add regs_used field.
600 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
601 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
602 instead of loop_data->regs_used;
603 (free_loop_data): Do not free aux fields for loops.
604 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
605 and tree_ssa_iv_optimize_finalize.
607 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
609 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
611 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
614 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
615 computing the effective result type.
617 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
620 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
621 (tree_overlaps_hard_reg_set): Declare.
622 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
623 type and signature to match function type expected by walk_tree.
624 (tree_overlaps_hard_reg_set): New function.
625 (decl_conflicts_with_clobbers_p): Rename to:
626 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
627 Use tree_overlaps_hard_reg_set. Changed caller.
628 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
629 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
630 * cris.c (cris_md_asm_clobbers): Likewise.
632 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
634 * reload1.c (emit_input_reload_insns): Delete code that tries to
635 inherit using find_equiv_reg.
637 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
639 * c-common.h (flag_const_strings): Don't declare.
640 * c-common.c (flag_const_strings): Remove.
641 * c.opt (fconst_strings): Remove.
642 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
643 <OPT_Wwrite_strings>: Don't set flag_const_strings.
644 (c_common_init_options): Don't set flag_const_strings.
645 * doc/invoke.texi (-fno-const-strings): Remove documentation.
647 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
649 * arm.md (tlobits_cbranch): New pattern.
650 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
651 testing a single bit.
653 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
656 * tree-ssa-pre.c (create_component_ref_by_pieces):
657 Handle RETURN_DECL like VAR_DECL.
659 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
662 * fold-const.c (fold_indirect_ref_1): Fold
663 "*(foo *)&complexfoo" to "__real__ complexfoo"
664 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
666 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
668 * tree-flow-inline.h (var_can_have_subvars):
669 Volatile variables should not have subvariables.
671 2006-02-09 Diego Novillo <dnovillo@redhat.com>
674 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
675 multiplying unsigned values.
678 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
680 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
682 2006-02-08 Jason Merrill <jason@redhat.com>
685 * tree.def: Elaborate on difference from MODIFY_EXPR.
686 * doc/c-tree.texi (INIT_EXPR): Likewise.
687 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
688 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
689 (gimplify_target_expr): Likewise.
690 (gimplify_cond_expr): Remove target handling.
691 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
692 (gimplify_expr): Clobber it here.
693 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
694 Do return slot optimization if we have an INIT_EXPR.
697 * tree-inline.c (declare_return_variable): Also clear
698 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
701 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
704 * gimplify.c (gimplify_one_sizepos): Fix typo.
706 2006-02-08 Jeff Law <law@redhat.com>
708 PR tree-optimization/21417
709 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
710 across a backedge if the control statement at the end of the
711 block is data dependent on other statements in the same block.
712 (record_temporary_equivalences_from_stmts): Remove over-conservative
713 test for threading across backedges.
715 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
716 control statement, handle all three special cases in the same
717 manner as they all have the same desired solution. No longer
718 special case edge flag updating when the post dominator is
721 2006-02-08 Roger Sayle <roger@eyesopen.com>
723 * tree.def (CHAR_TYPE): Remove.
724 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
725 * dwarf2out.c (base_type_die, is_base_type): Likewise.
726 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
727 (gen_string_type_die): Delete unreachable function.
729 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
730 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
731 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
732 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
733 * builtins.c (type_to_class): Likewise.
734 * fold-const.c (fold_convert, build_range_check,
735 merge_ranges): Likewise.
736 * expr.c (count_type_elements): Likewise.
737 * c-pretty-print.c (pp_c_type_specifier): Likewise.
738 * stor-layout.c (layout_type): Likewise.
739 * ipa-type-escape.c (type_to_consider): Likewise.
740 * gimplify.c (omp_firstprivatize_type_sizes,
741 gimplify_type_sizes): Likewise.
742 * explow.c (promote_mode): Likewise.
743 * tree-sra.c (is_sra_scalar_type): Likewise.
744 * varasm.c (output_constant): Likewise.
745 * tree-inline.c (remap_type_1): Likewise.
746 * convert.c (convert_to_pointer, convert_to_real,
747 convert_to_integer, convert_to_complex): Likewise.
749 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
751 * df-scan.c (df_def_record_1): A set destination may
752 be a parallel regardless of mode.
754 2006-02-08 Roger Sayle <roger@eyesopen.com>
757 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
758 * config/mips/_tilib.c: Remove.
759 * config/fixtfdi.c: New libgcc source file.
760 * config/fixunstfdi.c: New source file.
761 * config/floatditf.c: New source file.
762 * config/floatunditf.c: New souce file.
763 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
764 files above instead of config/mips/_tilib.c.
765 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
767 2006-02-08 Jeff Law <law@redhat.com>
769 PR tree-optimization/26169
770 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
773 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
775 * df.h (DF_REG_SIZE): Return the length of the initialized
778 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
780 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
781 __muldf3): Return a correctly signed zero.
783 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
785 * passes.c (register_one_dump_file): Accept the current properties
786 instead of pass number. Adjust call to dump_register. Remove
788 (register_dump_files): Now a wrapper around...
789 (register_dump_files_1): ... this one. Do not modify the pass
791 (next_pass_1): Cosmetic fix.
792 (execute_todo): Keep second parameter only. Use curr_properties
793 instead of fetching it from the pass structure. Check and set
795 (execute_one_pass): Handle TODO_set_props. Use curr_properties
796 instead of fetching it from the pass structure. Fix calls to
797 execute_todo. Update curr_properties and initialize .vcg RTL dump
798 after running the pass. Reset last_verified.
799 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
801 (FIRST_AUTO_NUMBERED_DUMP): New.
802 (dump_register): Remove "num" parameter, assign it within the
804 (get_dump_file_name): Modify template for dumps.
805 * tree-dump.h (dump_register): Adjust prototype.
806 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
807 (PROP_trees): Add PROP_gimple_lomp.
808 (TODO_set_props): New.
809 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
810 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
811 * cfgexpand.c (pass_expand): Destroy PROP_trees.
813 2006-02-08 Jakub Jelinek <jakub@redhat.com>
815 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
816 (sparc64-*-linux*): Likewise.
817 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
818 * config/sparc/t-linux: New file.
819 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
820 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
821 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
822 -m32 -mlong-double-128.
824 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
825 * config/alpha/t-linux: New file.
826 * config/alpha/libgcc-alpha-ldbl.ver: New file.
828 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
829 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
830 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
831 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
832 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
833 (CPP_ARCH32_SPEC): Remove.
835 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
837 PR tree-optimization/26145
838 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
841 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
844 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
845 >= 240000 when generating code for SOM runtime.
846 (output_indirect_call): Don't use "b,l" instruction for indirect calls
847 to $$dyncall when generating code for SOM runtime..
849 2006-02-07 Dirk Mueller <dmueller@suse.com>
852 * doc/invoke.texi (-Wsequence-point): Update documentation
853 that -Wsequence-point is implemented for C++ as well.
855 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
857 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
858 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
859 (LIB_SPEC): Likewise.
860 * doc/invoke.texi (SPARC options): Document -pthread.
862 2006-02-07 Geoffrey Keating <geoffk@apple.com>
864 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
867 2006-02-07 Roger Sayle <roger@eyesopen.com>
869 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
870 Correct comment describing BOOLEAN_TYPE.
872 2006-02-07 Dirk Mueller <dmueller@suse.com>
874 * c.opt: C++ frontend supports -Wdiv-by-zero.
875 * c-opts.c (c_common_handle_option): Remove dead case.
877 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
879 * configure.ac (TLS assembler check): Do not enable TLS by
880 default on SPARC/Solaris before version 10.
881 * configure: Regenerate.
883 2006-02-07 David Edelsohn <edelsohn@gnu.org>
885 * doc/invoke.texi (xl-compat): Document conversion and support
888 2006-02-07 Jeff Law <law@redhat.com>
890 * tree-vrp.c (find_conditional_asserts): Update comments.
891 (simplify_stmt_for_jump_threading): New.
892 (identify_jump_threads, finalize_jump_threads): New.
893 (vrp_finalize): Call identify_jump_threads.
894 (execute_vrp): Call finalize_jump_threads.
895 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
896 (vrp_element, vrp_data, vrp_element_p): Remove.
897 (vrp_hash_elt, vrp_variables_stack): Remove.
898 (vrp_hash, vrp_eq, record_range): Remove.
899 (simplify_cond_and_lookup_avail_expr): Remove.
900 (extract_range_from_cond): Remove.
901 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
902 (simplify_stmt_for_jump_threading): New.
903 (dom_thread_across_edge): New wrapper.
904 (tree_ssa_dominator_optimize): No longer initialize or
905 finalize any of the VRP datastructures. Remove iteration
906 step and simplify as a result of removal of iteration step.
907 (pass_dominator): Perform a cfg cleanup after DOM.
908 (dom_opt_finalize_block): Use the new common routines
909 for threading jumps. Simplify stack management slightly.
910 No longer need to unwind VRP state.
911 (record_equivalences_from_incoming_edge): No longer record
913 (eliminate_redundant_computations): No longer call
914 simplify_cond_and_lookup_avail_expr.
915 * tree-flow.h (potentially_threadable_block): Prototype.
916 (thread_across_edge): Likewise.
917 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
918 (tree-ssa-threadedge.o): Add dependencies.
919 * tree-ssa-threadedge.c: New file.
920 * passes.c (init_optimization_passes): Merge PHIs before
921 calling VRP. Run VRP again late in the SSA optimization pipeline.
923 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
925 * df-core.c (df_set_blocks): Do not dereference function pointers.
926 (df_finish1): Likewise.
927 (df_hybrid_search_forward): Likewise.
928 (df_hybrid_search_backward): Likewise.
929 (df_iterative_dataflow): Likewise.
930 (df_analyze_problem): Likewise.
931 (df_compact_blocks): Likewise.
933 * df-scan.c (df_rescan_blocks): Likewise.
934 (df_record_entry_block_defs): Likewise.
936 * genconditions.c (write_conditions): Guard the definition of
937 'insn_conditions' with the check on GCC version.
938 (write_writer): Guard the traversal 'insn_conditions' with
939 the check on GCC version.
941 2006-02-07 Richard Guenther <rguenther@suse.de>
945 2006-01-30 Richard Guenther <rguenther@suse.de>
947 * gimplify.c (gimplify_target_expr): Handle easy cases
948 without creating a temporary.
950 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
952 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
953 use of float in probability computations. Use edge probabilities
954 in place of statically computed probabilities.
955 (min_spec_prob): New static variable.
956 (schedule_insns): Initialize it.
957 (GET_SRC_PROB): Removed.
958 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
960 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
963 * config/ia64/unwind-ia64.c: Revert last change.
964 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
965 (INCOMING_FRAME_SP_OFFSET): Define.
967 2006-02-06 Roger Sayle <roger@eyesopen.com>
969 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
971 2006-02-07 Ben Elliston <bje@au.ibm.com>
973 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
974 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
975 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
976 (ix86_return_in_memory): Handle TDmode.
977 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
978 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
980 2006-02-06 Richard Sandiford <richard@codesourcery.com>
982 * reorg.c (dbr_schedule): Use dump_file instead of file.
984 2006-02-06 Steve Ellcey <sje@cup.hp.com>
987 * config/ia64/predicates.md (extr_len_operand): New predicate.
988 * config/ia64/ia64.md (extv): Tighten constraints.
990 (*tbit_and_2): Ditto.
991 (*tbit_and_3): Ditto.
997 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1000 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1002 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1004 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1005 loop_optimizer_init and loop_optimizer_finalize
1006 * tree-ssa-sink.c (execute_sink_code): Ditto.
1007 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1008 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1009 tree_ssa_loop_done): Ditto.
1010 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1011 * sched-ebb.c: Include output.h.
1012 (schedule_ebbs): Do not use dump argument.
1013 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1014 * loop.c (loop_dump_stream): Removed.
1015 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1017 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1018 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1019 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1020 loop_iterations, strength_reduce, record_biv, record_giv,
1021 final_giv_value, check_final_value, check_ext_dependent_givs,
1022 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1023 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1024 dump_file instead of loop_dump_stream.
1025 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1027 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1029 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1030 * haifa-sched.c: Include output.h
1031 (schedule_insns, sched_init): Do not use dump argument.
1032 * mode-switching.c (optimize_mode_switching): Ditto.
1033 * modulo-sched.c (stats_file): Removed.
1034 (print_node_sched_params): Do not call argument dump_file.
1035 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1036 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1038 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1040 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1041 rtl_loop_init, rtl_loop_done): Ditto.
1042 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1043 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1045 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1046 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1047 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1048 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1049 * emit-rtl.c (renumber_insns): Ditto.
1050 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1051 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1052 * regclass.c (regclass): Ditto.
1053 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1054 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1055 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1056 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1058 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1059 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1061 * gcse.c (gcse_file, debug_stderr): Removed.
1062 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1063 rest_of_handle_gcse): Do not use dump argument.
1064 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1065 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1066 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1067 compute_code_hoist_vbeinout, compute_code_hoist_data,
1068 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1069 compute_store_table, build_store_vectors, insert_insn_start_bb,
1070 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1071 store_motion): Use dump_file instead of gcse_file.
1072 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1073 * profile.c (profile_dump_file): Removed.
1074 (branch_prob): Use dump_file instead of profile_dump_file.
1075 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1077 * tree-ssa-copy.c (dump_copy_of): Ditto.
1078 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1079 dump file to life_analysis.
1080 * bt-load.c (branch_target_load_optimize): Ditto.
1081 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1083 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1084 regclass, dbr_schedule): Declaration changed.
1085 * sched-int.h (sched_init): Declaration changed.
1086 * tree-profile.c (tree_profile_dump_file): Removed.
1087 (tree_profile_hooks): Removed profile_dump_file hook.
1088 * rtl-profile (rtl_profile_dump_file): Removed.
1089 (rtl_profile_hooks): emoved profile_dump_file hook.
1090 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1092 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1093 * tree-cfg.c (build_tree_cfg): Ditto.
1094 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1095 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1096 Declaration changed.
1097 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1098 life_analysis and schedule_insns.
1099 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1101 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1103 * config/mips/mips.c (mips_reorg): Ditto.
1104 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1107 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1109 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1110 (s390_mangle_fundamental_type): New.
1111 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1114 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1115 (alpha_mangle_fundamental_type): New.
1116 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1119 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1121 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1123 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1124 (sparc_mangle_fundamental_type): New.
1126 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1128 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1129 (s390x-*-linux*): Likewise.
1130 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1131 * config/s390/t-linux: New file.
1133 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1135 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1136 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1138 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1140 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1141 (ANTIC_SAFE_LOADS): New macro.
1142 (find_or_generate_expression): Add prototype.
1143 (set_contains_value): Allow null set for sake of not always having
1144 to allocate ANTIC_SAFE_LOADS.
1145 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1146 Allow COMPONENT_REF too.
1147 (valid_in_set): Allow COMPONENT_REF.
1148 Check ANTIC_SAFE_LOADS too.
1149 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1150 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1152 (can_PRE_operation): Add COMPONENT_REF.
1153 (create_component_ref_by_pieces): New function.
1154 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1155 (insert_aux): Move AGGREGATE_TYPE_P check here.
1156 (compute_avail): Set bb local stmt uids.
1157 (pass_pre): Use TODO_update_ssa_only_virtuals.
1159 2006-02-06 Ben Elliston <bje@au.ibm.com>
1161 * configure.ac: Unconditionally disable decimal float by default.
1162 * configure: Regenerate.
1164 2006-02-06 Ben Elliston <bje@au.ibm.com>
1166 * read-rtl.c (read_name): Terminate reading on EOF.
1168 2006-02-06 Ben Elliston <bje@au.ibm.com>
1170 * dfp.c (decimal_real_arithmetic): Change second argument type
1171 from int to enum tree_code. Do not always return true, but now
1172 return result of any call to decimal_do helper functions.
1173 * dfp.h (decimal_real_arithmetic): Update prototype.
1175 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1177 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1179 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1182 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1185 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1187 * tree-vrp.c (cfg_loops): Removed.
1188 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1189 Use current_loops instead of cfg_loops. Pass flags to
1190 loop_optimizer_init.
1191 * cfgloopmanip.c (fix_loop_structure): Update only available
1193 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1194 loop_optimizer_init.
1195 * modulo-sched.c (build_loops_structure): Removed.
1196 (sms_schedule): Use loop_optimizer_init.
1197 * loop-init.c (loop_optimizer_init): Use flags to determine
1198 which properties of loops to prepare.
1199 (rtl_loop_init): Pass flags to loop_optimizer_init.
1200 * tree-ssa-sink.c (execute_sink_code): Ditto.
1201 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1202 * tree-ssa-pre.c (init_pre): Ditto.
1203 * cfgloop.h (LOOPS_NORMAL): New.
1204 (loop_optimizer_init): Declaration changed.
1206 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1208 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1209 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1211 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1213 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1215 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1216 * pa/t-pa64: Delete quadlib.c rule.
1217 * pa/x-ada: Revert last change.
1218 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1220 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1222 PR rtl-optimization/26087
1223 * rtlanal.c (canonicalize_condition): Do not cross basic block
1226 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1229 * config/ia64/ia64.c: Include debug.h.
1230 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1231 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1232 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1233 (process_epilogue, process_set, process_for_unwind_directive):
1234 Output unwind info only if requested. Add CFA info if requested.
1235 Add new arguments as needed. Adjust callers.
1236 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1238 (DWARF2_FRAME_INFO): Define to zero.
1239 * config/ia64/unwind-ia64.c: Remove code that compensated for
1240 the CFA offset error fixed above.
1241 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1242 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1243 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1244 -funwind-tables and -fexceptions to enable frame info.
1245 (dwarf2out_frame_init): Define initial CFA even if
1246 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1247 DWARF2_UNWIND_INFO is nonzero, not just defined.
1248 (dwarf2out_frame_finish): Output non-EH call frame info only
1249 if DWARF2_FRAME_INFO is nonzero.
1250 (convert_cfa_to_loc_list,
1251 compute_frame_pointer_to_cfa_displacement): Define even if
1252 unwind info is not supported.
1253 (gen_subprogram_die): Use the above unconditionally. Remove
1254 legacy alternate code.
1255 * toplev.c (compile_file): Compile in call to
1256 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1257 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1259 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1260 Jakub Jelinek <jakub@redhat.com>
1262 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1263 IBM extended float format long double as "g" on powerpc*-linux.
1265 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1268 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1269 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1271 2006-02-03 Jason Merrill <jason@redhat.com>
1274 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1277 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1278 on the return slot if it's an NRV.
1280 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1282 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1283 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1284 rewrite_use): Do not handle USE_OUTER.
1285 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1286 add_iv_outer_candidates, may_replace_final_value,
1287 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1288 (find_interesting_uses_op): Functionality of
1289 find_interesting_uses_outer_or_nonlin moved here.
1290 (find_interesting_uses_outside): Use find_interesting_uses_op.
1292 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1295 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1297 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1298 Ulrich Weigand <uweigand@de.ibm.com>
1301 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1302 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1303 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1304 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1306 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1307 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1308 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1309 Define secondary reloads for TFmode moves.
1310 (constant_modes): Add TFmode.
1311 (NR_C_MODES): Set to 8.
1312 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1314 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1315 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1316 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1317 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1318 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1319 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1320 (FPR mode macro): Add TFmode.
1321 (DSF mode macro): New.
1322 (<de>, <dee> mode attributes): Removed.
1323 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1324 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1325 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1326 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1327 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1328 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1329 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1330 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1331 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1332 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1333 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1334 "*negabs<mode>2", "sqrt<mode>2"):
1335 Changed <de> to <xde>. R constraint replaced by <Rf>.
1336 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1338 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1339 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1340 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1342 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1343 "extenddftf2", "extendsftf2"): New expanders.
1344 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1345 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1346 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1347 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1349 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1350 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1351 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1352 __floatditf): Add a GCC_4.1.0 symbol version tag.
1353 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1356 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1359 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1360 Use targetm.binds_local_p instead of TREE_PUBLIC.
1362 2006-02-02 Roger Sayle <roger@eyesopen.com>
1364 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1365 on INTEGER_TYPEs to indicate that it denotes a character type.
1366 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1367 signed_char_type_node, unsigned_char_type_node and char_type_node.
1368 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1369 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1370 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1372 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1373 Daniel Berlin <dberlin@dberlin.org>
1375 * tree-tailcall.c (arg_needs_copy_p): New function.
1376 (eliminate_tail_call): Use arg_needs_copy_p.
1377 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1378 (add_virtual_phis): New function.
1380 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1382 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1383 #ignore instead of #scratch for %g7 .register directive.
1385 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1387 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1390 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1392 * flow.c (calculate_global_regs_live): Assert that there aren't any
1395 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1397 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1399 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1400 bsi_after_labels iterator.
1401 * tree-if-conv.c (find_phi_replacement_condition,
1402 replace_phi_with_cond_modify_expr): Likewise.
1403 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1404 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1406 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1408 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1410 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1413 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1414 array after growing it.
1416 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1419 * fold-const.c (fold_checksum_tree): Change type of buf.
1421 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1423 * reload.c (push_secondary_reload): Initialize t_icode.
1425 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1427 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1428 -msoft-float -mlong-double-128 only issue a warning, but don't
1429 swich to DFmode long double.
1431 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1433 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1434 has a constant equivalent, iterate over equivalents for arg0,
1435 calling simplify_relational_operation and if there's a result
1436 cheaper than X, apply fold_rtx and return the result.
1438 2006-02-01 Jan Hubicka <jh@suse.cz>
1440 * opts.c (no_unit_at_a_time_default): New global variable.
1441 (decode_options): Use it.
1442 * opts.h (no_unit_at_a_time_default): Declare.
1444 2006-02-01 Paul Brook <paul@codesourcery.com>
1446 * function.c (assign_parm_setup_reg): Use function argument promotion
1448 * expr.c (expand_expr_real_1): Use function argument promotion rules
1451 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1453 * gcc.c (process_command): Change j to 'unsigned int'.
1455 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1458 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1459 Use the corrected index for the character
1460 out of the string constant.
1462 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1464 * mode-switching.c (optimize_mode_switching): Fix size
1465 allocated for bb_info[n_entities].
1467 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1469 * gcc.c (main): Correct type that is allocated for
1470 explicit_link_files.
1472 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1474 * config/s390/s390.c (init_alignment_context): Set
1475 ALIAS_SET_MEMORY_BARRIER on the MEM.
1476 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1478 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1481 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1483 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1486 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1488 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1489 * regrename.c: Ditto.
1490 * tree-ssa-loop-im.c: Ditto.
1491 * tree-dump.c: Ditto.
1492 * tree-complex.c: Ditto.
1493 * genrecog.c: Ditto.
1494 * tree-ssa-threadupdate.c: Ditto.
1496 * java/class.c: Ditto.
1497 * java/jcf-parse.c: Ditto.
1498 * java/resource.c: Ditto.
1499 * java/except.c: Ditto.
1500 * java/jvspec.c: Ditto.
1501 * java/jcf-write.c: Ditto.
1502 * java/jcf-path.c: Ditto.
1503 * java/gjavah.c: Ditto.
1504 * java/zextract.c: Ditto.
1505 * java/jcf-io.c: Ditto.
1506 * java/jcf.h: Ditto.
1507 * java/buffer.c: Ditto.
1508 * java/lang.c: Ditto.
1509 * java/parse-scan.y: Ditto.
1510 * java/lex.c: Ditto.
1511 * java/lex.h: Ditto.
1512 * cfgloopmanip.c: Ditto.
1513 * postreload-gcse.c: Ditto.
1514 * tree-ssa-loop-manip.c: Ditto.
1515 * postreload.c: Ditto.
1516 * tree-ssa-loop-ch.c: Ditto.
1520 * diagnostic.c: Ditto.
1522 * genoutput.c: Ditto.
1524 * cfghooks.c: Ditto.
1525 * cfgloopanal.c: Ditto.
1526 * objc/objc-act.c: Ditto.
1528 * genextract.c: Ditto.
1529 * genautomata.c: Ditto.
1530 * pretty-print.c: Ditto.
1532 * cgraphunit.c: Ditto.
1535 * haifa-sched.c: Ditto.
1536 * dominance.c: Ditto.
1538 * tree-ssa-loop-ivopts.c: Ditto.
1540 * mode-switching.c: Ditto.
1541 * modulo-sched.c: Ditto.
1543 * ipa-pure-const.c: Ditto.
1545 * fix-header.c: Ditto.
1547 * tree-stdarg.c: Ditto.
1548 * ipa-utils.c: Ditto.
1549 * loop-init.c: Ditto.
1550 * ipa-inline.c: Ditto.
1553 * alloc-pool.c: Ditto.
1554 * dwarf2out.c: Ditto.
1556 * genattrtab.c: Ditto.
1557 * tree-ssa-loop-ivcanon.c: Ditto.
1561 * fortran/gfortranspec.c: Ditto.
1563 * local-alloc.c: Ditto.
1564 * langhooks.c: Ditto.
1565 * function.c: Ditto.
1566 * tree-vectorizer.c: Ditto.
1568 * ipa-type-escape.c: Ditto.
1570 * tree-if-conv.c: Ditto.
1573 * tree-data-ref.c: Ditto.
1574 * loop-unroll.c: Ditto.
1575 * treelang/treetree.c: Ditto.
1578 * ggc-common.c: Ditto.
1580 * coverage.c: Ditto.
1582 * tree-cfgcleanup.c: Ditto.
1583 * tree-ssa-pre.c: Ditto.
1584 * cfgcleanup.c: Ditto.
1585 * loop-invariant.c: Ditto.
1587 * ipa-prop.c: Ditto.
1588 * print-tree.c: Ditto.
1589 * conflict.c: Ditto.
1590 * ggc-page.c: Ditto.
1591 * sched-deps.c: Ditto.
1592 * regclass.c: Ditto.
1593 * tree-object-size.c: Ditto.
1595 * bb-reorder.c: Ditto.
1596 * resource.c: Ditto.
1597 * var-tracking.c: Ditto.
1599 * df-problems.c: Ditto.
1600 * reg-stack.c: Ditto.
1603 * sched-rgn.c: Ditto.
1604 * tree-ssa-structalias.c: Ditto.
1605 * tree-ssa-reassoc.c: Ditto.
1606 * config/darwin-c.c: Ditto.
1607 * config/darwin.c: Ditto.
1608 * config/arm/arm.c: Ditto.
1610 * collect2.c: Ditto.
1613 2006-01-31 Nicolas Pitre <nico@cam.org>
1615 * arm.md (smaxsi3): Make aware of smax_m1.
1618 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1620 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1622 2006-01-31 Richard Guenther <rguenther@suse.de>
1624 * doc/invoke.texi (-msselibm): Document.
1625 * target.h (expand_library_builtin): New target hook.
1626 * builtins.c (expand_builtin): Use expand_library_builtin.
1627 (default_expand_library_builtin): New function.
1628 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1629 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1630 (link_gcc_math_spec): Declare.
1631 (static_specs): Add link_gcc_math_spec.
1632 * expr.h (default_expand_library_builtin): Declare.
1633 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1634 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1635 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1636 * config/i386/i386.opt (msselibm): New target option.
1637 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1638 (ix86_init_sse_abi_builtins): New function.
1639 (ix86_expand_library_builtin): Likewise.
1640 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1641 (override_options): Handle error conditions wrt -msselibm.
1642 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1643 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1644 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1647 2006-01-31 Richard Guenther <rguenther@suse.de>
1648 Paolo Bonzini <bonzini@gnu.org>
1650 * doc/install.texi (--disable-libgcc-math): Document.
1652 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1654 * expr.h (expand_normal): new inline function.
1655 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1657 * dwarf2out.c: use it.
1662 * config/sparc/sparc.c: use it.
1663 * config/i386/i386.c: use it.
1664 * config/rs6000/rs6000.c: use it.
1665 * config/arm/arm.c: use it.
1666 * config/mips/mips.c: use it.
1667 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1669 2006-01-30 Roger Sayle <roger@eyesopen.com>
1671 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1672 argv to the appropriate type.
1674 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1676 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1679 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1682 * config/s390/s390.c (struct machine_function): New flag
1683 decomposed_literal_pool_addresses_ok_p.
1684 (s390_reorg): Set it before final stage of literal pool transforms.
1685 (s390_decompose_address): Only accept displacements of the form
1686 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1688 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1690 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1691 the comparison routine return.
1693 2006-01-30 Michael Matz <matz@suse.de>
1695 * global.c (find_reg): Only evict for global regs.
1696 Take n_refs into account and dump more info.
1698 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1701 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1702 (pragma_trap, pragma_nosave_low_regs): Likewise.
1703 (current_function_anonymous_args): Likewise.
1704 (sh_deferred_function_attributes): New variable.
1705 (sh_deferred_function_attributes_tail): Likewise.
1706 (print_operand): For '@', look up trap_exit attribute.
1707 (calc_live_regs): Look up trapa_handler attribute. For trapa
1708 handlers, save/restore fpscr, but don't do any other
1709 interrupt-specific saves.
1710 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1711 Fix check for partially saved registers to check for SHmedia.
1712 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1713 (sh_output_function_epilogue): Don't clear any of the removed
1715 (sh_insert_attributes): Don't check pragma_interrupt.
1716 Insert deferred attributes. Check that interrupt attribute is
1717 present for other attributes that require its presence.
1718 (sh_attribute_table): Add new attributes trapa_handler and
1720 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1721 Don't check for pragma_interrupt. Don't store argument.
1722 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1723 (sh_deferred_function_attributes): Declare.
1724 (sh_deferred_function_attributes_tail): Likewise.
1725 * sh.md (sp_switch_1): Add operand. Change generator caller.
1726 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1727 (*return_i): Don't use when trap_exit attribute is in effect.
1728 (*return_trapa): New insn pattern.
1730 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1731 setting c_target_objs and cxx_target_objs.
1732 * t-sh: Add rule for sh-c.o.
1734 2006-01-30 Richard Guenther <rguenther@suse.de>
1737 * gimplify.c (gimplify_target_expr): Handle easy cases
1738 without creating a temporary.
1740 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1742 * vec.h (safe_grow): Remove duplicated line.
1744 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1747 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1748 (expand_omp): ... here.
1749 (expand_omp_parallel): Only remove barriers for combined
1750 parallel+workshare constructs.
1752 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1756 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1757 * tree.c (build_qualified_type): Chain the new type to the original
1758 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1759 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1760 (build_pointer_type_for_mode): Only return unqualified types.
1761 (build_reference_type_for_mode): Likewise.
1763 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1765 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1766 * Makefile.in (CXX_COMPAT_WARN): Define.
1767 * configure: Regenerate.
1769 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1772 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1775 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1777 * toplev.c: Fix thinko.
1779 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1780 Marcin Dalecki <martin@dalecki.de>
1782 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1783 (push_srcloc): Use XNEW.
1784 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1786 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1788 * df-core.c (df_set_blocks): Deleted all variable.
1790 2006-01-28 Ian Lance Taylor <ian@airs.com>
1792 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1793 cgraph_output_pending_asms.
1795 2006-01-28 Zack Weinberg <zackw@panix.com>
1797 * c.opt: Add -W(no-)overlength-strings.
1798 * doc/invoke.texi: Document it.
1799 * c-opts.c (c_common_handle_option): -pedantic implies
1800 -Woverlength-strings, if not explicitly disabled already.
1801 (c_common_post_options): -Woverlength-strings defaults to off, and
1802 is always off for C++.
1803 * c-common.c (fix_string_type): Issue warning about strings longer
1804 than is portable only if warn_overlength_strings. Rearrange code
1805 a little for clarity.
1806 * configure.in: Check for -Wno-overlength-strings as well before
1807 enabling -pedantic in stage 1.
1808 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1809 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1811 * genconditions.c (write_header, write_one_condition)
1812 (write_conditions, write_writer): Consolidate very long strings
1813 that were broken up to fit in C89 portable limit. Don't use
1814 printf when fputs will do.
1816 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1818 * combine.c (simplify_comparison <AND>): Check
1819 TRULY_NOOP_TRUNCATION before start using a subreg.
1821 * config/mips/mips.md (*branch_zero<mode>,
1822 *branch_zero<mode>_inverted, *branch_equality<mode>,
1823 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1824 Remove mode check from comparisons.
1826 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1828 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1830 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1832 * expmed.c (const_mult_add_overflow_p): Remove.
1833 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1835 * recog.c (validate_replace_rtx_subexp): Remove.
1836 * recog.h: Remove the prototype for
1837 validate_replace_rtx_subexp.
1839 * integrate.h: Remove the prototype for
1840 copy_decl_for_inlining.
1841 * rtl.h: Remove the prototype for mark_constant_function.
1842 * tree-vectorizer.h: Remove the prototype for
1843 vect_strip_conversion.
1845 * modulo-sched.c (create_partial_schedule,
1846 free_partial_schedule, reset_partial_schedule): Make them
1849 * hooks.c (hook_bool_rtx_int_false): Remove.
1850 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1852 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1854 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1855 and -mlong-double-128 are incompatible.
1856 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1857 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1858 (TARGET_LIBGCC2_CFLAGS): Define.
1859 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1860 (TARGET_LIBGCC2_CFLAGS): Same.
1861 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1863 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1866 * c-typeck.c (build_binary_op): Perform implicit casts of
1867 operands before shortening them.
1869 * cfgloopmanip.c (split_loop_bb): Remove.
1870 * cfgloop.h: Remove the prototype for split_loop_bb.
1872 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1873 * cfgloop.h: Remove the prototype for
1874 flow_loop_outside_edge_p.
1876 * emit-rtl.c (init_virtual_regs): Make it static.
1877 * function.h: Remove the prototype for init_virtual_regs.
1879 * recog.c (peephole2_optimize): Make it static.
1880 * recog.h: Remove the prototype for peephole2_optimize.
1882 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1884 * df-scan.c (df_record_entry_block_defs): Check if
1885 INCOMING_RETURN_ADDR_RTX is defined.
1887 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1888 Kenneth Zadeck <zadeck@naturalbridge.com>
1890 PR rtl-optimization/24762
1891 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1892 * targhooks.c (hook_void_bitmap): New hook prototype.
1893 * targhoohs.h (hook_void_bitmap): Ditto.
1894 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1895 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1896 * target.h (live_on_entry): New function pointer.
1897 * df-scan.c (df_all_hard_regs): Removed.
1898 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1899 (df_scan_free_internal): Added df->entry_block_defs.
1900 (df_scan_alloc): Ditto.
1901 (df_scan_dump): Ditto.
1902 (df_uses_record): Plumbed flag field properly thru calls.
1903 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1904 This part fixes PR24762.
1905 (df_bb_refs_record): Added code to make the frame and arg
1906 pointers live in EH blocks.
1907 (df_refs_record): Added call to df_record_entry_block_defs.
1908 (df_record_entry_block_defs): New function.
1909 * df-core.c: Added comments to describe new artifical defs.
1910 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1911 (entry_block_defs): New field in struct df.
1912 (df_all_hard_regs): Deleted.
1913 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1914 * df-problems.c (df_ru_bb_local_compute_process_def):
1915 Added code to handle artifical defs in the entry to a function.
1916 (df_ru_bb_local_compute): Ditto.
1917 (df_rd_bb_local_compute_process_def): Ditto.
1918 (df_rd_bb_local_compute): Ditto.
1919 (df_lr_bb_local_compute): Ditto.
1920 (df_ur_bb_local_compute): Ditto.
1921 (df_urec_bb_local_compute): Ditto.
1922 (df_chain_create_bb): Ditto.
1923 (df_ur_local_finalize): Removed entry.
1924 (df_urec_init): Ditto.
1925 (df_urec_local_finalize): Ditto.
1926 (df_ri_bb_compute): Added detection of last use of pseudos.
1927 * Makefile.in (df-scan.o): Updated dependencies.
1928 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1929 * config/mips/mips.c (mips_set_live_on_entry): Added.
1930 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1932 * dce.c (marked_insn_p): Added code to handle artifical defs.
1934 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1936 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1938 (_mm_cvtsi128_si64): Likewise.
1939 (_mm_cvtsd_si64): Likewise.
1940 (_mm_cvttsd_si64): Likewise.
1941 (_mm_cvtsi64_sd): Likewise.
1942 (_mm_cvtsi64_si128): Likewise.
1943 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1944 (_mm_cvtsi64_m64): Likewise.
1945 (_m_to_int64): Likewise.
1946 (_mm_cvtm64_si64): Likewise.
1947 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1948 (_mm_cvttss_si64): Likewise.
1949 (_mm_cvtsi64_ss): Likewise.
1950 (_mm_cvtss_f32): Likewise.
1952 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1954 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1955 for pragma redefine_extname.
1957 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1960 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1961 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1962 -mno-minimal-toc to previous content.
1963 (bispecs): Remove goal.
1964 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1965 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1966 compatibility aliases on powerpc-*-*gnu*.
1967 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1968 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1969 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1970 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1971 (ldblspecs): New goal.
1972 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1973 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1975 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1976 L_sf_to_tf or L_df_to_tf is defined.
1978 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1979 Alan Modra <amodra@bigpond.net.au>
1982 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1983 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1984 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1985 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1986 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1987 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1988 (rs6000_override_options): Initialize rs6000_ieeequad.
1989 Initialize TFmode format to ibm_extended_format if not
1991 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1993 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1994 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1995 (function_arg_advance): IBM long double passed in two FPRs, not
1997 (function_arg): IBM long double passed in FPRs.
1998 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1999 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2000 Only multireg GPR aligned.
2001 (rs6000_init_libfuncs): Enable IBM long double functions if not
2003 (rs6000_generate_compare): Use IBM long double compare if not
2005 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2006 (TARGET_IEEEQUAD): Define.
2007 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2008 not TARGET_IEEEQUAD.
2009 * config/rs6000/rs6000.md: Enable TFmode patterns if
2011 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2012 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2013 and -mlong-double-128 are incompatible.
2014 * doc/invoke.texi (-mabi): Collect options together. Add
2015 ibmlongdouble and ieeelongdouble.
2017 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2019 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2021 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2022 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2023 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2024 * rtl.h (rtunion_def): Remove rt_ptr.
2026 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2027 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2028 * config/i386/winnt.c (i386_pe_mark_dllexport)
2029 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2031 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2033 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2035 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2039 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2040 pthread_key_delete. From John David Anglin. gthrw-ify
2041 pthread_getunique_np only if it it's not a macro. Delete
2043 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2044 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2045 __gthread_objc_condition_signal, __gthread_key_delete): Add
2046 "__attribute__ ((__unused__))" to unused arguments.
2047 (__gthread_recursive_mutex_init_function): Add missing return.
2048 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2049 gthr-posix95.h: Use macro-based approach for name redirection
2050 on targets missing weakref.
2052 2006-01-26 Zack Weinberg <zackw@panix.com>
2054 * genconditions.c (write_header): In generated code, #ifdef out
2055 all includes and fake declarations, except includes of bconfig.h
2056 and system.h, unless GCC_VERSION >= 3001. Do not include
2057 gensupport.h in any case.
2058 (write_conditions): Generate a definition of struct c_test. Add
2059 a comment to the generated #endif.
2060 (write_one_condition): Escape backslashes in string too.
2061 (write_writer): Generated code must escape backslashes and quote
2062 marks (but not newlines) in the strings it writes.
2063 * Makefile.in (build/gencondmd.o): Update dependencies.
2065 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2068 * Makefile.in (insn-automata.o): Add header file dependencies.
2069 * genautomata.c: Add includes.
2071 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2074 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2076 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2078 * configure.ac: Expect target tools paths to be passed from the toplevel
2079 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2081 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2083 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2086 * c.opt (Wpointer-sign): Init to -1.
2087 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2088 OPT_pedantic, to 0 otherwise.
2089 * doc/invoke.texi: Update.
2091 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2093 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2094 constants provided by 80387 instructions in the destination mode.
2096 2006-01-26 Richard Guenther <rguenther@suse.de>
2097 Andrew Pinski <pinskia@physics.uc.edu>
2100 partial PR tree-opt/17064
2101 * tree-ssa-structalias.c (intra_create_variable_infos):
2102 Create heap variables for incoming parameters if
2103 flag_argument_noalias > 1.
2104 (find_what_p_points_to): Look through default defs of
2107 2006-01-26 Jeff Law <law@redhat.com>
2110 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2111 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2112 within the VR_RANGE, use the VR_RANGE as the result, not the
2114 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2115 bounds for the type.
2117 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2119 * tree-ssa-alias.c (maybe_create_global_var): Change
2120 subvar walking to an assertion that we don't have subvar'd variables.
2122 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2125 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2126 Use a new variable, inner. PARM_DECLs are always non-weak.
2128 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2130 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2133 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2135 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2137 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2139 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2140 (smax_insn, smin_insn, smax_0, smin_0): New.
2142 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2145 * config/cris/cris.c (cris_order_for_addsi3): New function.
2146 * config/cris/cris-protos.h: Prototype it.
2147 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2148 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2149 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2150 (split for "op.S1 [rx=rx+i],ry (swapped)")
2151 (split for "op(s|u).S1 [rx=rx+i],ry")
2152 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2153 Apply cris_order_for_addsi3 when generating addsi3 insns.
2155 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2157 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2158 (TREE_BLOCK): Add call to EXPR_CHECK.
2160 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2163 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2164 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2165 (dump_omp_clauses): ... here.
2166 (dump_generic_node): Handle OMP_CLAUSE.
2167 * tree.c (omp_clause_num_ops): New.
2168 (omp_clause_code_name): New.
2169 (tree_code_size): Handle OMP_CLAUSE.
2170 (tree_size): Likewise.
2171 (make_node): Document handling of OMP_CLAUSE.
2172 (tree_node_structure): Handle OMP_CLAUSE.
2173 (omp_clause_check_failed): New.
2174 (omp_clause_range_check_failed): New.
2175 (omp_clause_operand_check_failed): New.
2176 (build_omp_clause): New.
2177 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2178 * tree.h (enum omp_clause_code): Declare.
2179 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2180 (OMP_CLAUSE_RANGE_CHECK): Define.
2181 (OMP_CLAUSE_ELT_CHECK): Define.
2182 (omp_clause_check_failed): Declare.
2183 (omp_clause_operand_check_failed): Declare.
2184 (omp_clause_range_check_failed): Declare.
2185 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2186 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2187 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2188 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2189 (OMP_CLAUSE_IF_EXPR): Likewise.
2190 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2191 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2192 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2193 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2194 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2195 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2196 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2197 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2198 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2199 (OMP_CLAUSE_CODE): Define.
2200 (OMP_CLAUSE_SET_CODE): Define.
2201 (OMP_CLAUSE_CODE): Define.
2202 (OMP_CLAUSE_OPERAND): Define.
2203 (struct tree_omp_clause): Declare.
2204 (union tree_node): Add field 'omp_clause'.
2205 * treestruct.def (TS_OMP_CLAUSE): Define.
2206 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2207 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2208 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2209 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2210 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2211 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2212 (OMP_CLAUSE): Define.
2213 * print-tree.c (print_node): Handle OMP_CLAUSE.
2214 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2215 * c-typeck.c: Likewise.
2216 * gimplify.c: Likewise.
2217 * c-omp.c: Likewise.
2218 * tree-nested.c: Likewise.
2219 * tree-inline.c: Likewise.
2220 * c-parser.c: Likewise.
2221 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2224 2006-01-25 Roger Sayle <roger@eyesopen.com>
2226 PR rtl-optimization/25703
2227 * combine.c (try_combine): Handle zero_extract and strict_low_part
2228 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2230 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2232 * global.c: Fix comment typos.
2234 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2237 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2238 Use output_addr_const instead of assemble_name.
2240 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2242 * Makefile.in (sched-vis.o): Update dependencies.
2243 * haifa-sched.c (sched_finish): Clear current_sched_info.
2244 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2245 (dump_flow_info): Call it.
2246 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2248 * basic-block.h (dump_bb_info): Declare.
2249 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2250 option, and apply options only for dump files whose TDF_RTL,
2251 TDF_TREE, or TDF_IPA bits match.
2252 * rtl.h: Declare new functions exported from sched-vis.c.
2253 * sched-vis.c: Enable also if scheduling is not used.
2254 (print_value): Print the mode of registers if not inside scheduling.
2255 (print_insn): Make it work outside the scheduler. Beautify the output
2257 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2259 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2261 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2262 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2263 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2264 depending on the value of CONSTANT_POOL_ADDRESS_P.
2265 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2267 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2268 rather than SYMBOL_REF_DECL.
2269 (rtx_constant_pool): Remove const_rtx_sym_htab.
2270 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2271 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2272 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2273 Remove handling of const_rtx_sym_htab.
2274 (find_pool_constant): Delete.
2275 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2276 rather than find_pool_constant.
2277 (get_pool_constant_for_function): Delete.
2278 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2280 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2281 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2282 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2283 (SYMBOL_REF_CONSTANT): New macro.
2284 (get_pool_constant_for_function): Delete.
2285 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2286 rather than SYMBOL_REF_DECL.
2287 (i386_pe_mark_dllimport): Likewise.
2288 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2289 rather than SYMBOL_REF_DECL.
2290 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2291 (machopic_indirect_call_target): Likewise.
2293 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2295 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2297 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2299 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2301 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2303 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2305 2006-01-24 David Daney <ddaney@avtrex.com>
2308 * configure.ac (enable_tls): New enable option.
2309 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2310 * configure: Regenerate.
2311 * doc/install.texi (--enable-tls): Document new option.
2312 (--disable-tls): Ditto.
2314 2006-01-24 Richard Henderson <rth@redehat.com>
2316 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2317 * alias.c (true_dependence): Respect it.
2318 (canon_true_dependence, write_dependence_p): Likewise.
2319 * builtins.c (get_builtin_sync_mem): Set it.
2321 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2323 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2326 2006-01-24 DJ Delorie <dj@redhat.com>
2328 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2329 for storing constants in single-bit bitfields.
2331 2006-01-25 Ben Elliston <bje@au.ibm.com>
2333 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2335 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2338 * tree-ssa-pre.c (phi_translate): Return NULL
2339 for AGGREGATE_TYPE's.
2341 2006-01-24 Zack Weinberg <zackw@panix.com>
2343 * genautomata.c (process_state_for_insn_equiv_partition):
2344 Use xcalloc for insn_arcs_array.
2345 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2346 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2348 2006-01-24 Richard Henderson <rth@redhat.com>
2350 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2353 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2355 PR rtl-optimization/25890
2356 PR rtl-optimization/25905
2357 * combine.c (expand_compound_operation, expand_field_assignment):
2358 Fail if the bitfield's final position is out of bounds.
2360 2006-01-24 Ian Lance Taylor <ian@airs.com>
2363 * cgraphunit.c (cgraph_output_in_order): Don't clear
2364 cgraph_asm_nodes until after asm strings have been output.
2366 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2368 * fix-header.c (read_scan_file): Add new parameter imultilib when
2369 calling register_include_chains.
2371 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2373 * omp-low.c: Update documentation.
2375 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2376 Daniel Berlin <dberlin@dberlin.org>
2380 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2381 return from the function.
2383 2006-01-22 Zack Weinberg <zackw@panix.com>
2385 * rtl.def (match_code): Add second argument.
2386 * genpreds.c (write_extract_subexp): New function.
2387 (write_match_code): Add path argument. Use write_extract_subexp.
2388 (write_predicate_expr): Pass path to write_match_code.
2389 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2390 not perform a mode test.
2391 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2392 a subexpression does not constrain the top-level code set.
2393 * read-rtl.c (read_rtx_variadic): New function.
2394 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2395 * doc/md.texi: Document new notation.
2396 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2397 (cmpsi_operand): ... here, using new notation.
2399 2006-01-22 Zack Weinberg <zackw@panix.com>
2401 * varray.c: Remove GENERATOR_FILE #ifdefs.
2403 2006-01-22 Zack Weinberg <zackw@panix.com>
2405 * genautomata.c (output_reserved_units_table): Emit nothing if
2406 description->query_units_num is zero. Remove extra blank line.
2407 (output_cpu_unit_reservation_p): Short circuit
2408 if description->query_units_num is zero.
2410 2006-01-22 Zack Weinberg <zackw@panix.com>
2412 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2413 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2414 nor any of the random handful of variables that used to be necessary
2415 when this program was linked with rtlanal.o. Prune set of forward
2416 function declarations.
2417 (struct attr_desc): Remove static_p field.
2418 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2419 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2420 (attr_string): Do not read the character one past the length of
2422 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2423 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2424 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2425 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2426 (make_automaton_attrs): New.
2427 (main): Do not call into genautomata. Call local gen_bypass
2428 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2429 Remove special case for insn_alts.
2430 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2431 varray.h (leftover from previous change). Prune set of forward
2432 function declarations. Remove state_alts fields from all
2433 structures. Remove state_alts_table from struct automaton.
2434 Make everything except main static. Do not maintain num_dfa_decls.
2435 Do not maintain state_alts fields of various structures.
2436 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2437 (add_arc): Remove state_alts argument. All callers updated.
2438 (output_reserved_units_table): Emit #ifdef here...
2439 (output_tables): ...not here. Don't generate state_alts tables.
2440 (expand_automata): Don't generate attributes.
2441 (write_automata): Don't generate state_alts functions.
2442 (main): New function.
2443 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2444 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2445 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2446 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2447 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2448 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2449 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2450 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2452 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2453 * genattrtab.h: Delete file.
2454 * Makefile.in (OBJS-common): Add insn-automata.o.
2455 (insn-automata.o): New rule.
2456 (simple_generated_c): Add insn-automata.c.
2457 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2458 (genprogmd): Add automata.
2459 (build/genattrtab): Needs no extra objects nor libraries.
2460 (build/genautomata): Needs build/vec.o and -lm.
2462 2006-01-22 Zack Weinberg <zackw@panix.com>
2464 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2465 (output_dfa_max_issue_rate, locked_states_num): Delete.
2466 (struct automaton): Add locked_states field.
2467 (output_dead_lock_vect): Save number of locked states in
2468 automaton->locked_states. If it is zero, don't print anything.
2469 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2470 (output_internal_dead_lock_func): Only test the dead_lock_vect
2471 for automata that have locked states.
2472 (output_statistics): Always print the number of locked states for
2473 each automaton. Calculate total number of locked states here.
2474 (write_automata): Don't call output_dfa_max_issue_rate.
2475 * genattrtab.c: Define length_unit_log as a const variable.
2476 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2477 max_insn_queue_index const.
2478 * final.c (length_unit_log): Declare const.
2479 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2481 2006-01-22 Zack Weinberg <zackw@panix.com>
2483 * genautomata.c: Include vec.h, not varray.h.
2484 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2485 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2486 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2487 VEC_* macros operating on appropriately typed vectors, or to
2488 malloced arrays when the size is known in advance. Const-ify
2489 many char* variables and function arguments. No functional changes.
2490 * Makefile.in (build/varray.o): Delete rule.
2491 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2492 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2494 2006-01-22 Zack Weinberg <zackw@panix.com>
2496 * gensupport.c: Define get_insn_name and record_insn_name here.
2497 (read_md_rtx): Call record_insn_name as appropriate.
2498 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2499 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2500 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2502 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2503 (BUILD_VARRAY): Delete.
2504 (genprognormal): Rename genprogmd. Fold in all programs from
2505 genprognoprint; also attrtab.
2506 (build/genattrtab): Just mention genautomata.o and varray.o.
2507 Reorganize a bit, add comments to make the categories clearer.
2509 2006-01-22 Zack Weinberg <zackw@panix.com>
2511 * genconditions.c (condition_table, add_condition): Delete.
2512 (write_conditions): Don't emit n_insn_conditions nor
2513 insn_elision_unavailable. Issue the gcc version #ifdef here,
2514 inside the table, with no #else clause ...
2515 (write_header): ...not here.
2516 (write_writer): New function.
2517 (main): Don't initialize condition_table. Use add_c_test.
2519 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2520 files on the command line.
2521 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2522 Return -1 if there is no entry in the table, don't abort.
2523 (add_c_test, traverse_c_tests): New functions.
2524 * gensupport.h (insn_elision_unavailable, insn_conditions)
2525 (n_insn_conditions): Delete declarations.
2526 (add_c_test, traverse_c_tests): Declare.
2527 * read-rtl.c: Include gensupport.h.
2528 (read_conditions): New function.
2529 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2530 (read_rtx_1): If we get EOF when we were looking for an initial
2531 open paren, return 0. Call read_conditions when appropriate.
2532 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2533 dummy-conditions.o. Eliminate references to insn-conditions.o,
2534 or change them to build/gencondmd.o, as appropriate. Remove
2535 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2536 from $(simple_generated_c). For all files remaining in those
2537 two lists, add insn-conditions.md to the generator command line.
2538 Give insn-constants.h/s-constants their own rules. Add rules
2539 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2540 (build/read-rtl.o): Depend on gensupport.h.
2541 (genprognormal): Include preds.
2542 (genprogearly): Rename genprognoprint; only difference is now that
2543 they don't link with $(BUILD_PRINT).
2544 * dummy-conditions.c: Delete.
2546 2006-01-22 Zack Weinberg <zackw@panix.com>
2548 * genextract.c: Don't include insn-config.h. Do include vec.h.
2549 Declare vectors of int, char, and locstr.
2550 (locstr): New typedef.
2551 (struct extraction): Make all array fields into bare pointers.
2552 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2553 (insn_code_number): Delete.
2554 (accum_extract): New struct.
2555 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2556 (gen_insn): Take insn_code_number as an argument. Use an
2557 accum_extract structure instead of loading data directly into
2558 a struct extraction, and having to know how big it might get.
2559 (walk_rtx): Operate entirely on an accum_extract structure.
2560 (print_path): Avoid unnecessary use of printf.
2561 (print_header): New function, split out of main. Distinguish
2562 more carefully between an unrecognizable insn and an insn that
2563 has the code number of a define_expand.
2564 (main): Pass insn_code_number to gen_insn. Call print_header
2565 only after parsing. Avoid unnecessary use of printf.
2566 * Makefile.in (build/vec.o): New rule.
2567 (build/genextract): Depend on build/vec.o.
2568 (build/genextract.o): Don't depend on insn-config.h.
2570 2006-01-22 Zack Weinberg <zackw@panix.com>
2572 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2573 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2574 practical. Eliminate per-generator-program link rules.
2576 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2579 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2580 with a call expr to ...
2581 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2583 2006-01-23 Richard Guenther <rguenther@suse.de>
2585 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2586 before make_edge with conditional EDGE_TRUE_VALUE.
2588 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2589 Jan Hubicka <jh@suse.cz>
2590 Richard Guenther <rguenther@suse.de>
2592 PR rtl-optimization/25654
2593 * cfgexpand.c (aggregate_contains_union_type): New function.
2594 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2595 for structure variables that contain a union type.
2597 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2599 * gengtype.c (new_structure): Return the structure.
2600 (create_option): Add an extra "next" argument.
2601 (create_field): New function.
2602 (adjust_field_rtx_def): Use create_option and create_field.
2603 Remove a now-unnecessary call to find_structure.
2604 (adjust_field_tree_def): Likewise.
2605 (note_yacc_type): Remove an unnecessary call to find_structure.
2606 * gengtype.h (new_structure): Return the structure.
2607 (create_option): Add an extra argument.
2608 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2609 (option): Adjust calls to create_option.
2611 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2613 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2615 2006-01-22 Paul Brook <paul@codesourcery.com>
2616 Peter Barada <peter@the-baradas.com>
2618 * config/m68k/m68k.md: Add Coldfire FPU support.
2619 Define FP mode macro and associated attributes.
2620 Use it for float mode patterns.
2621 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2622 (LIBCALL_VALUE): Use m68k_libcall_value.
2623 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2624 (m68k_function_value): Ditto.
2625 (emit_move_sequence): Ditto.
2626 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2627 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2628 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2629 (MULTILIB_EXCEPTIONS): Ditto.
2630 * config/m68k/m68k.opt: Add mcfv4e.
2631 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2632 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2633 (m68k_output_function_prologue): Save ColdFire FPU registers.
2634 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2635 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2636 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2637 ColdFire FPU registers.
2638 (m68k_libcall_value, m68k_function_value): New functions.
2639 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2640 (LIBCALL_VALUE): Use m68k_libcall_value.
2641 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2642 (MASK_COLDFIRE): Add MASK_CFV4E.
2643 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2644 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2645 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2646 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2647 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2648 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2649 * doc/invoke.tex: Document -mcfv4e on m68k.
2651 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2653 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2656 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2659 * c-opts.c (c_common_handle_option): Don't include
2660 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2661 * doc/invoke.texi (C++ Dialect Options): Document that
2662 -Wnon-virtual-dtor is no longer included in -Wall.
2664 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2666 * gcov.c (print_version), gcov-dump.c (print_version),
2667 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2670 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2672 * df-scan.c (problem_SCAN): Added NULL reset function.
2673 (df_scan_reset_blocks): Added code to call reset block function
2674 (df_bb_refs_delete) Fixed comment.
2675 (df_insn_refs_delete): Made tolerant of deleting non existent info
2676 for dataflow problems that need to be reset.
2677 * df-core.c (df_set_blocks): Ditto.
2678 * df.h (struct df_problem): Added reset_fun.
2679 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2680 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2681 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2682 functions to clear out all references to def-use or use-def chains.
2684 2006-01-21 Ben Elliston <bje@au.ibm.com>
2686 * varasm.c (assemble_real): Initialise data array.
2688 2006-01-20 Paul Brook <paul@codesourcery.com>
2690 Merge from csl-arm-branch.
2691 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2692 * config/arm/arm.md (movdi): Force operands[1] to a register
2693 if we have a non-register source.
2694 (*arm_movdi, *movdf_soft_insn): Require that one of the
2695 operands be a register.
2696 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2697 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2699 2006-01-20 DJ Delorie <dj@redhat.com>
2701 * varasm.c (initialize_constant_valid_p): Allow pointers
2702 initialized from integer constants of lesser precision.
2703 (output_constant): Allow non-int-sized pointer modes to be
2704 initialized from integer constants.
2706 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2709 * cppdefault.h (struct default_include): Add multilib flag.
2710 * cppdefault.c (cpp_include_defaults): Set it.
2711 * c.opt (-imultilib): New option.
2712 * c-opts.c (imultilib): New.
2713 (c_common_handle_option): Handle -imultilib.
2714 (c_common_post_options): Likewise.
2715 * c-incpath.c (add_standard_paths, register_include_chains):
2717 * c-incpath.h (register_include_chains): Add extra parameter.
2718 * gcc.c (do_spec_1): Generate -imultilib option.
2719 (The Specs Language): Update %I description.
2720 (process_command): Update copyright notice.
2721 * doc/cppopts.texi (-imultilib): Document.
2722 * doc/invoke.texi (-imultilib): Include in option summary.
2723 (%I): Update specs documentation.
2725 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2727 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2729 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2731 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2734 2006-01-20 Richard Guenther <rguenther@suse.de>
2735 Steven Bosscher <stevenb.gcc@gmail.com>
2737 PR rtl-optimization/24626
2738 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2739 EDGE_TRUE_VALUE if in RTL mode.
2742 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2743 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2745 2006-01-20 Dirk Mueller <dmueller@suse.com>
2748 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2749 instead of a special NOP marker.
2750 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2751 NOP marker handling.
2752 * c-common.h (empty_body_warning): Add forward declaration.
2753 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2754 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2756 2006-01-20 Paul Brook <paul@codesourcery.com>
2758 * Makefile.in (lang_checks): Keep going if mkdir fails.
2760 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2762 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2763 be able to clean out basic block when not necessary.
2764 (df_scan_free): Fixed to properly delete information if df is
2765 unused before calling df_finish.
2766 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2767 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2769 (df_bb_refs_delete): New function.
2770 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2771 * df-core.c (df_set_blocks): Added code to properly clean out
2772 unused blocks if they are not part of the blocks to consider.
2773 Added additional null check.
2774 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2775 be able to clean out basic block when not necessary
2776 * df.h (df_free_bb_function): Ditto.
2777 (df_bb_refs_delete): New function.
2778 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2779 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2780 basic block parameter to be able to clean out basic block when not
2782 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2783 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2784 Fixed to properly delete information if df is unused before
2787 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2789 PR rtl-optimization/25799
2790 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2791 Corrected confluence operator to remove bits from op2 before oring
2792 with op1 rather than removing bits from op1.
2793 (df_ru_transfer_function): Corrected test on wrong bitmap which
2794 caused infinite loop. Both of these problems were introduced in
2795 the dataflow rewrite.
2797 2006-01-19 DJ Delorie <dj@redhat.com>
2799 * reload1.c (find_reload_regs): Note the details of reload
2800 failures in the dump file.
2801 (spill_failure): Likewise.
2803 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2805 * loop-iv.c: Include df.h and hashtab.h.
2806 (enum iv_grd_result): New enum.
2807 (DF_REF_IV, DF_REF_IV_SET): New macros.
2808 (struct biv_entry): New.
2809 (df, bivs): New global variables.
2810 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2811 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2813 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2814 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2815 analyzed_for_bivness_p, record_biv): New functions.
2816 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2817 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2818 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2820 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2822 (iv_number_of_iterations): Use new interface to iv analysis.
2823 * loop-unroll.c: Do not include varray.h.
2824 (analyze_iv_to_split_insn): Use new interface to iv
2826 * loop-unswitch.c (may_unswitch_on): Ditto.
2827 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2829 (df_bb_modify): Realloc tables to the new index.
2830 (df_find_use): New function.
2831 * df.h (df_find_use): Declare.
2832 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2834 * cfgloop.h (struct rtx_iv): Remove analysed field.
2835 (iv_get_reaching_def): Removed.
2836 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2837 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2838 (loop-iv.o): Add df.h and hashtab.h dependency.
2839 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2841 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2844 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2846 (__floatundisf, __floatundidf): Likewise.
2847 * libgcc2.h (IS_IBM_EXTENDED): Define.
2849 2006-01-19 DJ Delorie <dj@redhat.com>
2851 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2853 2006-01-19 Paul Brook <paul@codesourcery.com>
2855 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2856 as nothrow when unwinding tables are disabled.
2858 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2861 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2862 of bit-field" when in system header.
2864 2006-01-19 DJ Delorie <dj@redhat.com>
2866 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2867 the 16 bit shift limit of the m16c.
2869 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2872 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2873 * config/i386/i386.c (output_set_got): Output the label if we have one
2874 for the TARGET_DEEP_BRANCH_PREDICTION case.
2876 2006-01-19 Jan Hubicka <jh@suse.cz>
2877 H.J. Lu <hongjiu.lu@intel.com>
2878 Evandro Menezes <evandro.menezes@amd.com>
2880 * invoke.texi (generic): Document
2882 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2883 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2884 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2885 (x86_use_incdec, x86_pad_returns): New variables
2886 (TARGET_CPU_DEFAULT_generic): New constant
2887 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2888 (enum processor_type): Add generic32 and generic64.
2889 * i386.md (cpu attribute): Add generic32/generic64
2890 (movhi splitter): Behave sanely when both partial_reg_dependency and
2891 partial_reg_stall are set.
2892 (K8 splitters): Enable for generic as well.
2893 * predicates.md (incdec_operand): Use TARGET_INCDEC
2894 (aligned_operand): Avoid memory mismatch stalls.
2895 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2896 * ppro.md: Enable for generic32
2897 * i386.c (generic64_cost, generic32_cost): New.
2898 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2899 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2900 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2901 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2902 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2903 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2904 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2905 x86_accumulate_outgoing_args, x86_prologue_using_move,
2906 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2907 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2909 (x86_use_incdec, x86_pad_returns): New.
2910 (override_options): Add generic32 and generic64, translate "generic"
2911 to generic32/generic64 and "i686" to "generic32", refuse
2912 "generic32"/"generic64" as arch target.
2913 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2914 (ix86_reorg): Honor PAD_RETURNS.
2916 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2918 * tree-pretty-print.c (dump_generic_node): Handle
2919 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2920 * cgraph.c (cgraph_expand_queue): Rename from
2921 cgraph_analyze_queue. Update all users.
2922 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2923 cgraph_expand_queue.
2924 (cgraph_expand_all_functions): Likewise.
2925 (cgraph_finalize_pending_functions): Remove. Update callers.
2927 * tree.h (OMP_DIRECTIVE_P): Define.
2928 (OMP_PARALLEL_FN): Define.
2929 (OMP_PARALLEL_DATA_ARG): Define.
2930 (OMP_SECTIONS_SECTIONS): Define.
2931 * tree-pass.h (pass_expand_omp): Declare.
2932 * omp-low.c (struct omp_region): Declare.
2933 (struct omp_context): Remove fields 'parallel_type',
2934 'parallel_start_ix' and 'parallel_start_additional_args'.
2936 (struct omp_for_data): Rename from struct expand_omp_for_data.
2937 (omp_regions): New static variable.
2938 (root_omp_region): New static variable.
2939 (find_omp_clause): Make static.
2940 (is_in_combined_parallel_ctx): Remove.
2941 (is_combined_parallel): New.
2942 (extract_omp_for_data): Move earlier in the file.
2943 (workshare_safe_to_combine_p): New.
2944 (get_ws_args_for): New.
2945 (determine_parallel_type): Move earlier in the file.
2946 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2948 (omp_copy_decl): Likewise.
2949 (create_omp_child_function): Likewise.
2950 (lookup_omp_region): New.
2951 (dump_omp_region): New.
2952 (debug_omp_region): New.
2953 (debug_all_omp_regions): New.
2954 (new_omp_region): New.
2955 (scan_omp_parallel): If parallel_nesting_level > 1, the
2956 directive is nested within another parallel directive.
2957 Set OMP_PARALLEL_FN.
2958 (scan_omp_for): Do not try to handle combined parallel+for
2960 Remove FIXME comment.
2961 (scan_omp_nested): Remove.
2962 (scan_omp_1): Do not call scan_omp_nested when
2963 parallel_nesting_level is > 1.
2964 Do not change the DECL_CONTEXT of local variables found.
2965 (lookup_decl_in_outer_ctx): New.
2966 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2967 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2968 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2969 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2970 If CTX is nested, lookup VAR in the outer context when
2971 building copy assignment.
2972 (lower_send_clauses): Rename from expand_send_clauses.
2973 If CTX is nested, lookup VAR in the outer context when
2974 building copy assignments.
2975 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2976 If CTX is nested, lookup VAR in the outer context when
2977 building copy assignments.
2978 (expand_parallel_call): Rename from build_parallel_call.
2979 Handle combined parallel+workshare cases.
2980 Re-implement to emit code into the CFG.
2982 (expand_omp_parallel): Re-implement to emit code into the CFG.
2983 Call move_sese_region_to_fn to outline the sub-graph
2984 containing the parallel region.
2985 (expand_omp_for_1): Remove.
2986 (expand_omp_for_generic): Re-implement to emit code into the
2988 (expand_omp_for_static_nochunk): Likewise.
2989 (expand_omp_for_static_chunk): Likewise.
2990 (expand_omp_for): Likewise.
2991 (expand_omp_sections): Likewise.
2992 (remove_exit_barriers): New.
2993 (expand_omp_synch): New.
2995 (build_omp_regions_1): New.
2996 (build_omp_regions): New.
2997 (execute_expand_omp): New.
2998 (gate_expand_omp): New.
2999 (pass_expand_omp): Define.
3000 (lower_omp_sections): Rename from expand_omp_sections.
3001 Set OMP_SECTIONS_SECTIONS.
3002 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3003 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3004 (lower_omp_single): Rename from expand_omp_simple.
3005 (lower_omp_master): Rename from expand_omp_master.
3006 (lower_omp_ordered): Rename from expand_omp_ordered.
3007 (lower_omp_critical): Rename from expand_omp_critical.
3008 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3009 (lower_omp_for): Re-implement.
3010 (lower_omp_parallel): Re-implement.
3011 (lower_regimplify): Rename from expand_regimplify.
3012 (lower_omp_1): Rename from expand_omp_1.
3013 If there are syntax errors in the program, replace every
3014 OpenMP directive with NOP.
3015 Call lower_omp_* instead of expand_omp_*.
3016 (lower_omp): Rename from expand_omp.
3018 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3019 * tree-gimple.h (enum omp_parallel_type): Remove.
3020 (gimple_boolify): Declare extern.
3021 (find_omp_clause, determine_parallel_type): Remove.
3023 * gimple-low.c (lower_omp_directive): New.
3024 (lower_stmt): Call it.
3025 (record_vars_into): Move from ...
3026 (record_vars): ... here.
3027 Call record_vars_into with current_function_decl.
3029 * gimplify.c (struct gimplify_ctx): Remove fields
3030 combined_pre_p and combined_ctxp. Update users.
3031 (get_formal_tmp_var): Add documentation.
3032 (gimple_boolify): Make extern.
3033 (gimplify_expr_in_ctx): Remove. Update callers.
3034 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3035 will always be a BIND_EXPR.
3036 (gimplify_expr): Handle OMP_RETURN_EXPR.
3037 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3038 (OMP_PARALLEL): Add 3 operands.
3039 (OMP_SECTIONS): Add 1 operand.
3040 (OMP_RETURN_EXPR): Define.
3042 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3043 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3044 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3045 creating a circular free list.
3046 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3048 * tree-flow.h (move_sese_region_to_fn): Declare.
3049 (record_vars_into): Declare.
3050 * tree-cfg.c (make_omp_sections_edges): New.
3051 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3052 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3053 OMP_SECTIONS and OMP_SECTION.
3054 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3055 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3056 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3057 (gather_blocks_in_sese_region): New.
3058 (struct move_stmt_d): Declare.
3060 (move_block_to_fn): New.
3061 (move_sese_region_to_fn): New.
3063 * passes.c (init_optimization_passes): Schedule
3064 pass_expand_omp after pass_init_datastructures.
3066 * tree-ssa-operands.c (get_expr_operands): Handle
3067 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3068 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3070 2006-01-19 Jeff Law <law@redhat.com>
3072 * tree-vrp.c (extract_range_from_assert): Refine the result range
3073 if the variable referenced by the ASSERT_EXPR has a range and
3074 either the tentative result range or the previous range is a
3077 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3079 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3081 2006-01-19 Jan Hubicka <jh@suse.cz>
3083 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3085 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3087 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3088 (expand_compound_operation, expand_field_assignment): Fail if the
3089 bit lengths of an extract operation are out of range.
3090 (make_extraction): Compute wanted_inner_mode based on the position
3091 and length of the extraction. Make it extraction_mode for non-constant
3092 positions, and do not modify offset in that case. When generating a
3093 new MEM, use a mode that can hold the extraction while keeping correct
3094 alignment. Remove code that supported MEMs wrapped by USEs.
3095 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3097 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3099 * config/s390/s390.md ("Y", "y"): New mode attribute.
3100 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3101 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3102 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3103 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3104 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3105 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3106 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3107 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3108 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3109 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3110 "addsi3", "subsi3"): Insn patterns removed.
3111 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3112 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3113 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3114 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3115 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3116 "*sub<mode>3_cconly2"): New insn patterns.
3117 ("addsi3", "subsi3"): New expanders.
3119 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3121 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3122 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3123 existing STMT_VINFO_VECTYPE if available.
3124 (vect_mark_relevant): Add special handling for stmts that are
3125 marked as STMT_VINFO_IN_PATTERN_P.
3126 (vect_analyze_loop): Call vect_pattern_recog.
3127 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3128 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3130 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3131 (vect_recog_func_ptr): New function-pointer type.
3132 * tree-vect-patterns.c: New file.
3133 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3134 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3135 (vect_pattern_recog_1): New functions.
3136 (vect_pattern_recog_funcs): New array of function pointers.
3138 * tree-vectorizer.h (ternary_op): New enum value.
3139 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3140 declaration. Revised documentation. Removed redundant dump prints.
3141 Removed redundant argument. Added support for reduction patterns.
3142 (vectorizable_reduction): Added support for reduction patterns.
3143 (vect_transform_stmt): Added support for patterns.
3145 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3146 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3147 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3148 (expand_widen_pattern_expr): New function.
3149 (init_optabs): Initialize new optabs udot_prod_optab,
3151 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3152 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3153 (expand_widen_pattern_expr): New function declaration.
3154 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3156 * tree-inline.c (estimate_num_insns_1): Added cases for new
3157 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3158 * tree-pretty-print.c (dump_generic_node): Likewise.
3159 (op_prio): Likewise.
3160 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3161 * tree-ssa-operands.c (get_expr_operands): Added case for
3163 * tree-vect-patterns.c (widened_name_p): New function.
3164 (vect_recog_dot_prod_pattern): Added function implementation.
3165 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3166 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3167 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3168 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3170 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3171 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3172 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3173 (init_optabs): Initialize new optabs widen_ssum_optab,
3175 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3176 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3177 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3178 use instead of type of def.
3179 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3180 function implementation.
3181 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3182 widen_ssumv8hi): New.
3184 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3187 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3190 * c-decl.c (add_flexible_array_elts_to_size): New function.
3191 (finish_decl): Use it.
3193 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3195 * diagnostic.h: Include options.h.
3196 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3197 dependancies for diagnostic.h.
3198 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3200 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3202 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3203 (ssa_ro_call_cache_valid): Ditto.
3204 * tree-ssa-alias.c (sort_tags_by_id): New function.
3205 (init_transitive_clobber_worklist): Ditto.
3206 (add_to_worklist): Ditto.
3207 (mark_aliases_call_clobbered): Ditto.
3208 (compute_tag_properties): Ditto.
3209 (set_initial_properties): Ditto.
3210 (compute_call_clobbered): Ditto.
3211 (compute_may_aliases): Call compute_call_clobbered and grouping.
3212 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3213 (compute_flow_insensitive_aliasing): Grouping now happens in our
3215 (setup_pointers_and_addressables): Remove clobbering related code.
3216 (add_may_alias): Ditto.
3217 (replace_may_alias): Ditto.
3218 (get_nmt_for): Ditto.
3219 (create_global_var):
3220 (is_escape_site): Return an escape_type enumeration.
3221 * tree-flow-inline.h (is_call_clobbered): Global var does not
3222 imply call clobbered.
3223 (mark_call_clobbered): Take a reason for marking this. Remove
3224 marking of globalness, and cache invalidation.
3225 (clear_call_clobbered): Remove cache invalidation code.
3226 * tree-dfa.c (dump_variable): If details is on, dump the reason
3228 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3230 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3231 (struct var_ann_d): Ditto.
3232 (enum escape_type): New.
3233 (mark_call_clobbered): Adjust prototype.
3234 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3235 are never call clobbered.
3236 Record reasons for escaping.
3237 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3238 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3239 (ssa_ro_call_cache_valid): Ditto.
3240 (clobbered_v_may_defs): Ditto.
3241 (clobbered_vuses): Ditto.
3242 (ro_call_vuses): Ditto.
3243 (clobber_stats): New.
3244 (init_ssa_operands): Zero out clobber stats.
3245 (fini_ssa_operands): Print out clobber stats.
3246 (get_call_expr_operands): Pass callee fndecl to
3248 (add_call_clobber_ops): Remove use of cache.
3249 Add use of PURE_CONST information.
3250 (add_call_read_ops): Remove use of cache.
3251 Add use of static not_read information.
3253 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3255 Introduce TLS descriptors for i386 and x86_64.
3256 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3257 (TARGET_ANY_GNU_TLS): New macro.
3258 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3259 (struct machine_function): Add tls_descriptor_call_expanded_p.
3260 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3261 (ix86_current_function_calls_tls_descriptor): Likewise.
3262 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3263 (override_options): Introduce gnu2 tls dialect.
3264 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3266 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3268 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3269 (ix86_init_machine_status): Initialize new field.
3270 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3271 (ix86_tls_module_base): New.
3272 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3273 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3274 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3275 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3276 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3277 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3278 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3279 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3280 * config/i386/predicates.md (tls_modbase_operand): New.
3281 (tp_or_register_operand): New.
3283 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3285 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3286 (look_for_address_of): Ditto.
3287 (ipa_init): Walk the function decls.
3288 (static_execute): Don't set readonly on FUNCTION_DECL's.
3290 2006-01-18 Roger Sayle <roger@eyesopen.com>
3292 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3293 for shifts where the source and destination registers are different.
3295 2006-01-18 Paul Brook <paul@codesourcery.com>
3297 Merge from csl-arm-branch.
3298 2005-03-14 Julian Brown <julian@codesourcery.com>
3299 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3300 (aeabi_llsl): Likewise.
3301 (ashrdi3): Likewise.
3302 (aeabi_lasr): Likewise.
3303 (lshrdi3): Likewise.
3304 (aeabi_llsr): Likewise.
3305 2005-03-10 Julian Brown <julian@codesourcery.com>
3306 * config.gcc: Disable shared libgcc for SymbianOS.
3307 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3309 2006-01-18 DJ Delorie <dj@redhat.com>
3311 * c-pragma.c (handle_pragma_diagnostic): New.
3312 (init_pragma): Register it.
3313 * doc/extend.texi: Document it.
3315 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3316 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3317 (diagnostic_context): Add classify_diagnostic[].
3318 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3319 as errors if they're overridden to DK_WARNING.
3320 (diagnostic_initialize): Initialize classify_diagnostic[].
3321 (diagnostic_set_kind_override): New.
3322 (diagnostic_report_diagnostic): Check for kind changes.
3323 * opts.c (common_handle_option): Take lang_mask. Update callers.
3325 * common.opt (Werror=): New.
3326 * doc/invoke.texi: Document -Werror=*
3328 2006-01-18 Jeff Law <law@redhat.com>
3330 * tree-vrp.c (test_for_singularity): Correct test for new
3331 min limit. Use operand_equal_p rather than pointer equality
3332 for testing if new min/max values are equal.
3334 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3335 using range information until after propagation and folding.
3337 2006-01-18 Richard Henderson <rth@redhat.com>
3338 Aldy Hernandez <aldyh@redhat.com>
3339 Jakub Jelinek <jakub@redhat.com>
3340 Diego Novillo <dnovillo@redhat.com>
3342 * omp-low.c: New file.
3343 * c-omp.c: New file.
3345 2006-01-18 Richard Henderson <rth@redhat.com>
3346 Jakub Jelinek <jakub@redhat.com>
3347 Diego Novillo <dnovillo@redhat.com>
3349 * doc/invoke.texi: Document -fopenmp.
3350 * tree-dump.h (debug_function): Declare.
3351 * hooks.c (hook_bool_tree_bool_false): New function.
3352 (hook_tree_tree_null): Remove.
3353 (hook_tree_tree_tree_null): New.
3354 * hooks.h: Update to match.
3355 * tree-pretty-print.c (debug_tree_chain): New.
3356 (print_generic_expr): Handle TDF_CHAIN.
3357 (dump_generic_node): Handle BLOCK.
3358 Do not abort with incomplete SWITCH_EXPRs.
3359 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3360 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3361 print space after directive name.
3362 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3363 Handle OMP_MASTER and OMP_ORDERED.
3364 Handle printing of OMP_BODY just in one place, goto
3365 dump_omp_body in the rest of OMP_* nodes that have
3367 Don't handle clause nodes here. Update omp statements to
3368 use dump_omp_clauses.
3369 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3370 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3371 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3372 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3373 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3374 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3375 Adjust output for GOMP_PARALLEL.
3376 (dump_omp_clauses): New.
3377 (print_declaration): Dump DECL_VALUE_EXPR.
3378 (op_symbol_1): Split out of op_symbol.
3379 (dumping_stmts): Remove. Update all users.
3380 * cgraph.c (cgraph_analyze_queue): New.
3381 (cgraph_add_new_function): New.
3382 * cgraph.h (cgraph_analyze_queue): Declare.
3383 (cgraph_add_new_function): Declare.
3384 (cgraph_lower_function): Remove.
3385 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3386 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3387 and TYPE_P nodes in its default clause.
3388 (empty_body_p): New.
3389 (tree_range_check_failed): New.
3391 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3392 OMP_CLAUSE_REDUCTION_MERGE,
3393 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3394 OMP_CLAUSE_PRIVATE_DEBUG,
3395 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3396 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3397 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3398 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3399 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3400 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3401 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3402 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3403 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3404 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3405 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3406 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3407 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3408 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3409 (TREE_RANGE_CHECK): New.
3410 (empty_body_p): Declare.
3411 (enum omp_clause_default_kind): New.
3412 (build_string_literal): Declare.
3413 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3414 (build5_stat, build5): Declare.
3415 * tree-pass.h (TDF_CHAIN): Define.
3416 * tree-pass.h (PROP_gimple_lomp): Define.
3417 (pass_lower_omp): Declare.
3418 * diagnostic.h (debug_tree_chain): Declare.
3419 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3421 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3422 * builtins.c (build_string_literal): Make extern.
3423 * gcc.c (include_spec_function): New.
3424 (static_spec_functions): Add it.
3425 (main): Move load of libgomp.spec ...
3426 (LINK_COMMAND_SPEC): ... here.
3427 (link_gomp_spec): New.
3428 (static_specs): Include it.
3429 (LINK_COMMAND_SPEC): Add link_gomp.
3430 (GOMP_SELF_SPECS): New.
3431 (driver_self_specs): Include it.
3432 (switch_matches): Don't mark inline.
3433 (main): Load libgomp.spec.
3434 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3435 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3436 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3437 * tree-gimple.h (enum omp_parallel): Declare.
3438 (determine_parallel_type): Declare.
3439 (omp_firstprivatize_variable): Declare.
3440 (omp_reduction_init): Declare.
3441 (diagnose_omp_structured_block_errors): Declare.
3442 (struct walk_stmt_info): Add want_return_expr.
3443 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3444 (find_omp_clause): Declare.
3445 (insert_field_into_struct): Declare.
3446 (struct walk_stmt_info): Move from tree-nested.c
3447 (walk_stmts): Declare.
3448 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3450 * cgraphunit.c (cgraph_lower_function): Make static.
3451 (cgraph_finalize_pending_functions): New.
3452 (cgraph_finalize_function): Call it.
3453 (cgraph_finalize_compilation_unit): Likewise.
3454 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3455 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3456 (BT_FN_UINT_UINT): New.
3457 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3458 DEF_FUNCTION_TYPE_VAR_4): Document.
3459 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3460 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3461 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3462 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3463 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3464 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3465 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3466 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3467 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3468 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3469 into separate files.
3470 (DEF_GOMP_BUILTIN): New.
3471 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3472 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3473 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3474 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3475 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3476 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3477 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3478 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3479 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3480 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3481 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3482 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3483 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3484 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3485 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3486 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3487 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3488 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3489 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3490 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3491 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3492 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3493 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3494 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3495 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3496 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3497 * sync-builtins.def: New file, moved from builtins.def.
3498 * omp-builtins.def: New file, moved from builtins.def.
3499 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3500 * gimple-low.c (lower_function_body): Clear data.
3501 (lower_stmt): Do not handle COMPOUND_EXPR.
3502 Remove call to print_node_brief.
3503 * c-tree.h (c_finish_omp_clauses): New prototype.
3504 (C_DECL_THREADPRIVATE_P): Define.
3505 (lookup_name_no_remap, c_omp_remap_private): Remove
3506 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3507 (check_for_loop_decls): Update decl.
3508 (lookup_name_no_remap, c_omp_remap_private): Declare.
3509 (build_indirect_ref, build_modify_expr, pushdecl,
3510 pushdecl_top_level): Move to c-common.h.
3511 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3512 before the switch, but just in the 2 places that need it.
3513 * c-decl.c (diagnose_mismatched_decls): Do not check for
3514 mismatched thread-local attributes when OLDDECL is marked
3515 threadprivate and NEWDECL has no thread-local attributes.
3516 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3517 (c_gimple_diagnostics_recursively): Rename from
3518 c_warn_unused_result_recursively. Invoke
3519 diagnose_omp_structured_block_errors.
3520 (check_for_loop_decls): Return a singular decl found.
3521 * langhooks.c (lhd_omp_predetermined_sharing): Return
3522 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3523 (lhd_omp_firstprivatize_type_sizes): New.
3524 (lhd_omp_assignment): New.
3525 (lhd_omp_predetermined_sharing): New.
3526 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3527 (struct lang_hooks_for_types): Add
3528 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3529 omp_predetermined_sharing, omp_disregard_value_expr,
3530 omp_private_debug_clause, omp_clause_default_ctor,
3531 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3532 (c_finish_omp_clauses): New.
3533 (c_finish_bc_stmt): Diagnose break within omp for.
3534 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3535 (build_unary_op): Return error_mark after reporting
3537 (build_modify_expr): Likewise.
3538 * gimplify.c: Include optabs.h and pointer-set.h.
3539 (enum gimplify_omp_var_data): Declare.
3540 (struct gimplify_omp_ctx): Declare.
3541 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3543 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3544 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3545 (splay_tree_compare_decl_uid): New.
3546 (new_omp_context): New.
3547 (delete_omp_context): New.
3548 (gimple_add_tmp_var): Call omp_add_variable.
3549 (gimplify_bind_expr): Likewise.
3550 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3551 true, disregard DECL_VALUE_EXPR on the decl if any.
3552 (gimplify_expr_in_ctx): New.
3553 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3554 omp_add_variable, omp_notice_variable, omp_is_private
3555 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3556 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3557 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3558 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3559 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3560 gimplify_omp_atomic): New.
3561 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3562 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3563 OMP_CRITICAL and OMP_ATOMIC.
3564 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3565 * c-pragma.h (enum pragma_kind): Add
3566 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3567 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3568 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3569 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3570 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3571 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3572 PRAGMA_OMP_THREADPRIVATE.
3573 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3574 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3575 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3576 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3577 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3578 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3579 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3580 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3581 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3582 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3583 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3584 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3585 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3587 (struct nesting_info): Add field_map,
3588 suppress_expansion, debug_var_chain.
3589 (create_nesting_tree): Initialize them.
3590 (lookup_field_for_decl): Use field_map.
3591 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3592 (convert_local_omp_clauses): New.
3593 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3594 (walk_body): Split out of walk_function.
3595 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3596 (convert_nonlocal_reference): Handle omp statements.
3597 (convert_local_reference): Likewise.
3598 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3599 (unnest_nesting_tree): New.
3600 (lower_nested_functions): Call it.
3601 (insert_field_into_struct): Make extern.
3602 (struct walk_stmt_info): Move to tree-gimple.h.
3603 (walk_stmts): Make extern.
3604 * omp-builtins.def: New file.
3605 * tree-iterator.c (expr_only): Clarify comment.
3606 * c-common.h (pushdecl_top_level, pushdecl,
3607 build_modify_expr, build_indirect_ref,
3608 c_finish_omp_master, c_finish_omp_critical,
3609 c_finish_omp_ordered, c_finish_omp_barrier,
3610 c_finish_omp_atomic, c_finish_omp_flush,
3611 c_finish_omp_for, c_split_parallel_clauses,
3612 omp_clause_default_kind, c_omp_sharing_predetermined,
3613 c_omp_remap_decl): Declare.
3614 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3615 (OBJS-common): Add omp-low.o.
3616 (c-omp.o, omp-low.o): Add.
3617 (gimplify.o): Add dependency on $(OPTABS_H).
3618 (GTFILES): Add omp-low.c.
3619 (gt-stringpool.h): Add.
3620 * tree-cfg.c (set_bb_for_stmt): Do not update the
3621 block-to-labels map if we are currently expanding to RTL.
3622 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3624 Handle IDENTIFIER_NODE.
3625 (tree_verify_flow_info): Do not ICE when emitting error
3626 messages about invalid labels.
3627 (dump_function_to_file): Reset CFUN before emitting the body
3629 (debug_function): New.
3630 * passes.c (init_optimization_passes): Schedule
3632 * langhooks-def.h (lhd_omp_predetermined_sharing,
3633 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3635 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3636 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3637 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3638 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3639 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3640 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3641 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3642 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3643 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3644 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3645 (LANG_HOOK_DECLS): Use them.
3647 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3648 Richard Henderson <rth@redhat.com>
3649 Jakub Jelinek <jakub@redhat.com>
3650 Diego Novillo <dnovillo@redhat.com>
3652 * c-parser.c (pragma_omp_clause): Define.
3653 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3654 (c_parser_compound_statement): Likewise.
3655 (c_parser_statement): Likewise.
3656 (c_parser_pragma): Handle omp pragmas.
3657 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3658 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3659 (c_parser_omp_clause_name, check_no_duplicate_clause,
3660 c_parser_omp_variable_list,
3661 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3662 c_parser_omp_clause_copyprivate,
3663 c_parser_omp_clause_default,
3664 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3665 c_parser_omp_clause_lastprivate,
3666 c_parser_omp_clause_nowait,
3667 c_parser_omp_clause_num_threads,
3668 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3669 c_parser_omp_clause_reduction,
3670 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3671 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3672 c_parser_omp_atomic, c_parser_omp_barrier,
3673 c_parser_omp_critical, c_parser_omp_flush,
3674 c_parser_omp_for_loop, c_parser_omp_for,
3675 c_parser_omp_master, c_parser_omp_ordered,
3676 c_parser_omp_sections_scope, c_parser_omp_sections,
3677 c_parser_omp_parallel, c_parser_omp_single,
3678 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3679 * c-pragma.c (init_pragma): Do omp pragma registration here.
3680 * c.opt (fopenmp): New flag.
3682 2006-01-18 Eric Christopher <echristo@apple.com>
3684 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3685 * config/darwin.h (GOMP_SELF_SPECS): Define.
3687 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3689 * rtl.h: Remove the prototype for reg_alloc.
3691 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3694 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3695 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3696 sjlj and dwarf2 exception handling.
3697 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3698 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3699 * pa/pa.c (function_value): Treat complex and vector types as
3701 (function_arg): Likewise. Only pass scalar floats in the floating
3702 point argument registers.
3703 * pa/t-slibgcc-dwarf-ver: New file.
3704 * pa/t-slibgcc-sjlj-ver: New file.
3705 * pa/t-slibgcc-elf-ver: Delete file.
3707 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3709 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3710 unlikely_test_section_p test.
3712 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3714 * mode-switching.c (optimize_mode_switching): Make it static.
3715 * basic-block.h: Remove the prototype for
3716 optimize_mode_switching.
3718 * modulo-sched.c (sms_schedule): Make it static.
3719 * rtl.h: Remove the prototype for sms_schedule.
3721 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3722 * rtl.h: Remove the prototype for gcse_after_reload_main.
3724 * reg-stack.c (reg_to_stack): Make it static.
3725 * rtl.h: Remove the prototype for reg_to_stack.
3727 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3729 * rtl.h: Remove the prototypes for regrename_optimize and
3730 copyprop_hardreg_forward.
3732 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3734 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3735 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3736 Test against the appropriate null constant for the mode.
3737 If 'fixup_overlap' is true, swap the operands if they overlap.
3738 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3739 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3740 alpha_split_tmode_pair and adjust for above change.
3741 * config/alpha/alpha.md (movtf_internal): Adjust call to
3742 alpha_split_tfmode_pair and rely on it to swap the operands.
3743 (movti_internal): New insn and post-reload splitter.
3744 (movti): New expander.
3746 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3748 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3751 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3753 * rtlanal.c (global_reg_mentioned_p_1,
3754 global_reg_mentioned_p): Remove.
3755 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3757 * flow.c (initialize_uninitialized_subregs): Make it static.
3758 * rtl.h: Remove the prototype for
3759 initialize_uninitialized_subregs.
3761 * function.c (instantiate_virtual_regs): Make it static.
3762 * function.h: Remove the prototype for
3763 instantiate_virtual_regs.
3765 * regmove.c (regmove_optimize, combine_stack_adjustments):
3767 * rtl.h: Remove the prototypes for regmove_optimize and
3768 combine_stack_adjustments.
3770 2006-01-17 Roger Sayle <roger@eyesopen.com>
3772 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3773 (size_cost): Encode costs in bytes so that a reg-reg addition is
3774 equivalent to COSTS_N_INSNS(1).
3775 (override_options): Use the size_cost.branch_cost as the default
3776 ix86_branch_cost when optimizing for size.
3778 2006-01-18 Ben Elliston <bje@au.ibm.com>
3780 * Makefile.in (D32PBIT_FUNCS): New.
3781 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3782 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3783 D64PBIT_FUNCS and D128PBIT_FUNCS.
3784 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3785 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3787 (decnumber_dep): Define.
3788 * doc/libgcc.texi (Decimal float library routines): New node.
3789 * config/dfp-bit.h, config/dfp-bit.c: New files.
3791 2006-01-18 Ben Elliston <bje@au.ibm.com>
3793 * expr.c (emit_move_change_mode): Always adjust addresses, not
3794 just during reload. Copy replacements only during reload.
3795 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3796 emit_move_via_integer.
3798 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3800 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3801 instead of $(srcdir) and ${srcdir}.
3803 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3807 * arm.h (struct machine_function): Add pic_reg.
3808 * arm.c (arm_pic_register): Make unsigned.
3809 (arm_override_options): Only set arm_pic_register if
3810 TARGET_SINGLE_PIC_BASE.
3811 (use_return_insn): Only test for a pic register if it is fixed.
3812 (arm_compute_save_reg0_reg12_mask): Likewise.
3813 (thumb_compute_save_reg_mask): Likewise.
3814 (legitimate_pic_operand): Factor out some known invariants.
3815 (legitimize_pic_address): If we don't have a fixed pic register,
3816 then set up a pseudo in the function entry sequence. Handle the
3817 pic base being in a pseudo.
3818 (arm_load_pic_register): Handle the pic register being in a pseudo.
3819 (arm_expand_prologue): Only set up the pic register if it is fixed.
3820 (thumb_expand_prologue): Likewise.
3821 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3822 (pic_load_addr_based_insn): Likewise.
3823 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3826 2006-01-18 Ben Elliston <bje@au.ibm.com>
3828 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3829 decimal float modes for all floating point registers.
3831 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3832 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3834 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3837 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3838 even when the pointer is not NULL.
3840 2006-01-16 Ian Lance Taylor <ian@airs.com>
3842 * common.opt (ftoplevel-reorder): New option.
3843 * cgraph.c (cgraph_asm_nodes): New global variable.
3844 (cgraph_asm_last_node): New static variable.
3845 (cgraph_order): New global variable.
3846 (cgraph_create_node): Set new order field.
3847 (cgraph_varpool_node): Likewise.
3848 (decide_is_variable_needed): Return true if not
3849 flag_toplevel_reorder.
3850 (cgraph_add_asm_node): New function.
3851 * cgraph.h (struct cgraph_node): Add order field.
3852 (struct cgraph_varpool_node): Add order field.
3853 (struct cgraph_asm_node): Define.
3854 (cgraph_asm_nodes, cgraph_order): Declare.
3855 (cgraph_add_asm_node): Declare.
3856 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3858 (cgraph_varpool_assemble_pending_decls): Call it.
3859 (cgraph_output_pending_asms): New static function.
3860 (cgraph_finalize_compilation_unit): Call it.
3861 (struct cgraph_order_sort): Define.
3862 (cgraph_output_in_order): New static function.
3863 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3864 !flag_toplevel_reorder case.
3865 * c-parser.c: Include "cgraph.h".
3866 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3868 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3869 than -fno-unit-at-a-time.
3870 * doc/invoke.texi (Option Summary): Mention
3871 -fno-toplevel-reorder.
3872 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3873 -funit-at-a-time documentation.
3875 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3876 Kazu Hirata <kazu@codesourcery.com>
3878 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3880 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3882 * Makefile.in (FUNCTION_H): New. Use it instead of
3883 function.h throughout the file.
3884 * function.h: Include tree.h.
3886 2006-01-17 Ben Elliston <bje@au.ibm.com>
3888 * recog.c: Separate some functions with whitespace.
3890 2006-01-16 Richard Henderson <rth@redhat.com>
3892 Merge from gomp branch:
3893 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3894 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3895 and rename from struct inline_data. Rename callee* to dst*;
3896 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3897 transform_new_cfg, transform_return_to_modify, and
3898 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3900 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3901 (copy_decl_for_dup): Remove.
3902 * tree-inline.c (struct inline_data): Move to header.
3903 (insert_decl_map): Export.
3904 (remap_decl): Update for member name changes. Use copy_decl hook.
3905 Allow for replacement to be a non-decl. Remove dead code.
3906 (remap_type_1): Check for existing mapping.
3907 (remap_type): Export.
3908 (remap_decls): Update for member name changes.
3909 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3910 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3911 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3912 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3913 (tree_function_versioning, build_duplicate_type): Likewise.
3914 (copy_body_r): Likewise. Export.
3915 (copy_decl_for_dup): Split into ...
3916 (copy_decl_for_dup_finish, copy_decl_to_var,
3917 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3918 (replace_ref_tree, inlining_p): Remove.
3920 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3922 * ifcvt.c (if_convert): Make it static.
3923 * rtl.h: Remove the prototype for if_convert.
3925 * local-alloc.c (local_alloc): Make it static.
3926 * rtl.h: Remove the prototype for local_alloc.
3928 * loop.c (loop_optimize): Make it static.
3929 * cfgloop.h: Remove the prototype for loop_optimize.
3932 2006-01-16 DJ Delorie <dj@redhat.com>
3934 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3937 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3939 * pa.md: Disparage copies between general and floating-point registers
3940 in 32-bit move patterns.
3942 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3945 * Makefile.in (check-%): Depend on site.exp instead of
3946 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3949 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3951 * global.c (global_alloc): Make it static.
3952 * rtl.h: Remove the prototype for global_alloc.
3954 2006-01-16 Richard Guenther <rguenther@suse.de>
3956 * tree-ssa-alias.c (struct used_part): Add write_only field.
3957 (get_or_create_used_part_for): Initialize it to true.
3958 (create_overlap_variables_for): Don't create structure variables
3959 for structures that only are written to.
3960 (find_used_portions): Handle MODIFY_EXPR to track whether a
3961 structure is only written to.
3963 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3965 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3967 * basic-block.h: Remove the prototype for
3968 partition_hot_cold_basic_blocks.
3970 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
3972 * cppspec.c (lang_specific_spec_functions): Remove.
3973 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3974 * gcc.h (lang_specific_spec_functions): Remove.
3975 * gccspec.c (lang_specific_spec_functions): Remove.
3977 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3979 * combine.c (record_value_for_reg): Invalidate registers
3981 (record_dead_and_set_regs_1): Likewise, by passing them to
3982 record_value_for_reg.
3983 (record_dead_and_set_regs): Invalidate stores made by a
3984 call. We do not combine across a call, but we still
3985 relied on equivalences.
3987 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3989 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3990 vrp_int_const_binop returning non-constant nodes.
3992 2006-01-16 Paul Brook <paul@codesourcery.com>
3994 * config/m68k/m68k.c (output_move_const_into_data_reg):
3995 Output correct mnemonic for mvz and mvs.
3997 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3999 * rtl-factoring.c: Add sequence abstraction algorithm.
4000 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4001 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4003 (block_has_preserve_label): New function.
4004 * common.opt: Register new pass.
4005 * Makefile.in: Ditto.
4007 * timevar.def: Ditto.
4008 * tree-pass.h: Ditto.
4009 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4010 * rtl.h (make_jump_insn_raw): Add forward decl.
4011 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4013 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4014 Roger Sayle <roger@eyesopen.com>
4016 * fold-const.c (fold_minmax): New static function.
4017 (fold_binary) <MIN_EXPR>: Call it.
4018 <MAX_EXPR>: Likewise.
4019 * stor-layout.c (place_field): Use DECL_SIZE consistently
4020 in the computation of the new record size.
4022 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4024 * cse.c (cse_condition_code_reg): Make it static.
4025 * rtl.h: Remove the prototype for cse_condition_code_reg.
4027 * combine.c (combine_instructions): Make it static.
4028 * rtl.h: Remove the prototype for combine_instructions.
4030 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4033 * tree.c (get_file_function_name_long): Concatenate the first global
4034 object name with a string derived from the input filename of the object
4037 2006-01-16 Ben Elliston <bje@au.ibm.com>
4039 * config/i386/winnt-stubs.c: Update FSF address.
4040 * config/xtensa/ieee754-df.S: Ditto.
4041 * config/xtensa/ieee754-sf.S: Ditto.
4043 2006-01-14 Ian Lance Taylor <ian@airs.com>
4045 * ifcvt.c (noce_init_if_info): New static function, broken out of
4046 noce_process_if_block.
4047 (noce_process_if_block): Call noce_init_if_info.
4048 (check_cond_move_block): New static function.
4049 (cond_move_process_if_block): New static function.
4050 (process_if_block): Call cond_move_process_if_block.
4052 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4054 * cselib.c (hash_table): Rename to cselib_hash_table.
4055 (cselib_clear_table, discard_useless_values,
4056 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4057 cselib_init, cselib_finish): Adjust uses of hash_table.
4059 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4061 PR tree-optimization/25485
4062 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4063 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4064 is known to be false and true, respectively.
4066 2006-01-14 Richard Guenther <rguenther@suse.de>
4068 PR tree-optimization/22548
4069 PR tree-optimization/22555
4070 PR tree-optimization/22501
4071 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4072 * params.def (salias-max-array-elements): New parameter.
4073 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4074 * doc/invoke.texi (salias-max-array-elements): Document.
4075 * tree-flow-inline.h (var_can_have_subvars): We also handle
4077 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4079 * tree-ssa-structalias.c (params.h): Include.
4080 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4081 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4082 (get_constraint_for): For ADDR_EXPR operating on something
4083 containing an ARRAY_REF, add all subvars to the solution.
4084 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4085 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4086 for creating MUST_DEFs.
4087 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4089 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4091 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4093 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4094 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4095 number_of_iterations_le): New functions.
4096 (number_of_iterations_special): Removed.
4097 (number_of_iterations_exit): Do not use number_of_iterations_special.
4098 * tree.c (unsigned_type_for): Always return integer type.
4100 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4101 Richard Guenther <rguenther@suse.de>
4103 PR rtl-optimization/24257
4104 * gcse.c (find_moveable_store): Only consider a store movable
4105 when the SET_SRC of the insn can be assigned to a register.
4107 2006-01-14 Ian Lance Taylor <ian@airs.com>
4109 * tree.c (tree_not_class_check_failed): New function.
4110 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4111 (tree_not_class_check_failed): Declare.
4113 2006-01-13 Ian Lance Taylor <ian@airs.com>
4115 * reload1.c (do_output_reload): Add assertion rejecting a
4118 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4120 * combine.c (struct reg_stat): Add new fields truncation_label and
4122 (record_value_for_reg): Reset truncated_to_mode.
4123 (record_truncated_value): New function.
4124 (check_promoted_subreg): Call it. Rename to check_conversions.
4125 (combine_instructions): Rename check_promoted_subreg to
4127 (reg_truncated_to_mode): New function.
4128 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4129 (gen_lowpart_or_truncate): New function.
4130 (force_to_mode): Use it instead of gen_lowpart.
4132 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4134 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4135 VAR is a tag, not its type tag.
4137 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4139 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4140 alternatives to match style of other entries.
4141 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4143 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4145 PR tree-optimization/25771
4146 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4149 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4152 * tree-inline.c (declare_return_variable): If the return variable
4153 was marked as a non gimple complex, set the return slot variable
4154 to be a non gimple comple variable.
4156 2006-01-13 Richard Guenther <rguenther@suse.de>
4158 * builtins.c (expand_builtin_sincos): New function.
4159 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4161 (expand_builtin): Expand sincos using expand_builtin_sincos.
4163 2006-01-12 DJ Delorie <dj@redhat.com>
4165 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4166 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4167 so that constant shifts can be split.
4168 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4169 (m32c_valid_pointer_mode): Make static.
4170 (shift_gen_func_for): New.
4171 (m32c_prepare_shift): Use it. Split large const shifts into
4173 * config/m32c/predicates.md (shiftcount_operand): Allow more
4175 (longshiftcount_operand): New.
4176 * doc/md.texi (Machine Constraints): Document In6.
4178 2006-01-13 Ben Elliston <bje@au.ibm.com>
4180 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4181 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4184 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4186 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4187 to try to avoid clobbering pieces of structures when we know
4188 something about the whole structure.
4189 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4191 2006-01-13 Ben Elliston <bje@au.ibm.com>
4193 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4194 return in memory, as this is no limitation is no longer present.
4196 2006-01-12 DJ Delorie <dj@redhat.com>
4198 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4199 mova with fb, and for fb+0 -> An.
4201 * config/m32c/mov.md (peephole2): Fix enabling logic.
4203 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4204 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4205 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4206 FINI_ARRAY_SECTION_ASM_OP): Define.
4208 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4210 (m32c_legitimize_reload_address): New logic to reload FB to An.
4211 (m32c_output_reg_push): Add newline.
4212 (m32c_output_reg_pop): Likewise.
4214 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4216 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4218 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4220 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4222 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4224 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4227 2006-01-11 Ben Elliston <bje@au.ibm.com>
4229 * rtlanal.c (find_reg_note): Assert insn is not null.
4231 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4233 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4236 2006-01-11 Jeff Law <law@redhat.com>
4238 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4240 (mark_threaded_blocks, register_jump_thread): New functions.
4241 (thread_through_all_blocks): Remove unwanted argument. No
4242 longer rely on e->aux to communicate thread target info.
4243 Call mark_threaded_blocks. Release the threaded_blocks
4244 bitmap and threaded_edges vector when complete.
4245 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4246 (threaded_blocks): Remove.
4247 (tree_ssa_dominator_optimize): Remove initialization and
4248 finalization of threaded_blocks. Simplify call to
4249 thread_through_all_blocks.
4250 (thread_across_edge): Call register_jump_thread rather than
4251 storing thread information into e->aux.
4252 (free_all_edge_infos): Simplify now that e->aux is no longer
4253 used to communicate with thread_through_all_blocks.
4254 * tree-flow.h (thread_through_all_blocks): Update prototype.
4255 (register_jump_thread): Prototype.
4257 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4259 * df-core.c (df_compact_blocks, df_bb_replace): Use
4260 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4262 2006-01-11 Richard Guenther <rguenther@suse.de>
4264 PR tree-optimization/25734
4265 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4266 stop propagation after successful propagation to the LHS.
4268 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4270 * basic-block.h (control_flow_graph): Change the type of
4271 x_basic_block_info to VEC(basic_block,gc) *.
4272 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4274 (SET_BASIC_BLOCK): New.
4275 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4276 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4277 * cfgbuild.c (find_basic_blocks): Likewise.
4278 * cfglayout.c (fixup_reorder_chain): Likewise.
4279 * cfgrtl.c (create_basic_block_structure,
4280 rtl_create_basic_block): Likewise.
4281 * ifcvt.c (find_if_case_1): Likewise.
4282 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4285 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4287 * Makefile.in: Removed rotted odf.c entry.
4289 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4292 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4293 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4294 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4295 output pattern modifier, not %e.
4296 * config/cris/cris.c (cris_op_str): Update comment about pattern
4298 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4299 before falling through into...
4300 <case 'E'>: Redefined from old 'e' case.
4302 2006-01-11 Jan Hubicka <jh@suse.cz>
4305 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4307 2006-01-11 Jan Hubicka <jh@suse.cz>
4309 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4310 * i386.c (x86_decompose_lea): Kill.
4311 (ix86_rtx_costs): Kill.
4313 2006-01-11 Jan Hubicka <jh@suse.cz>
4315 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4316 * cgraph.h (cgraph_node): Add inline_decl.
4317 (cgraph_insert_node_to_hashtable): Declare.
4318 (save_inline_function_body): Declare.
4319 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4321 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4322 (cgraph_function_versioning): Update call of tree_function_versioning.
4323 (save_inline_function_body): New function.
4324 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4325 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4326 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4327 (cgraph_default_inline_p): Likewise.
4328 (cgraph_decide_inlining_incrementally): Likewise.
4329 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4330 (copy_bb): Kill saving; do updating of clones.
4331 (copy_cfg_body): Kill saving.
4332 (initialize_inlined-parameters): Likewise.
4333 (expand_call_inline): Likewise.
4335 (tree_function_versioning): New parameter "update_clones".
4336 (inlining_p): Kill saving.
4337 * tree-inline.h (tree_function_versioning): Update prototype.
4338 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4341 2006-01-11 Ian Lance Taylor <ian@airs.com>
4343 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4344 Allow undoing set of machine mode.
4345 (do_SUBST): Use enums instead of is_int.
4346 (do_SUBST_MODE): New function.
4347 (SUBST_MODE): New macro.
4348 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4349 reg and trying to replace reg_regno_rtx with a new register.
4350 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4351 (simplify_set): Use SUBST_MODE.
4352 (distribute_notes): Remove code that tried to update reg notes
4353 for regno_reg_rtx changes.
4355 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4357 PR tree-optimization/23109
4358 PR tree-optimization/23948
4359 PR tree-optimization/24123
4361 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4362 * tree-cfg.c (single_noncomplex_succ): New.
4363 * tree-flow.h (single_noncomplex_succ): Declare it.
4364 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4365 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4366 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4367 insert_bb, register_division_in, insert_reciprocals,
4368 replace_reciprocal, free_bb): New.
4369 (execute_cse_reciprocals_1): Rewritten.
4370 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4371 Do not commit any edge insertion. Always compute dominators and
4372 create the allocation pool.
4373 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4374 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4375 * targhooks.c (default_min_divistions_for_recip_mul): New.
4376 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4377 * passes.c (init_optimization_passes): Run recip after tree loop
4379 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4381 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4382 Kenneth Zadeck <zadeck@naturalbridge.com>
4384 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4385 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4386 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4387 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4388 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4389 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4390 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4391 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4392 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4393 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4394 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4395 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4396 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4397 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4398 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4399 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4400 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4401 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4402 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4403 DF_SCAN_POST_ALLOC): New macros.
4404 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4405 df_free_bb_function, df_local_compute_function, df_init_function,
4406 df_dataflow_function, df_confluence_function_0,
4407 df_confluence_function_n, df_transfer_function,
4408 df_finalizer_function, df_free_function, df_dump_problem_function,
4409 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4410 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4411 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4412 df_urec_bb_info, ) New types.
4413 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4415 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4416 df_analyze_simple_change_some_blocks,
4417 df_analyze_simple_change_one_block, df_compact_blocks,
4418 df_bb_replace, df_bb_regno_last_use_find,
4419 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4420 df_insn_regno_def_p, df_find_def, df_find_use,
4421 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4422 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4423 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4424 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4425 debug_df_chain, df_get_dependent_problem, df_chain_create,
4426 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4427 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4428 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4429 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4430 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4431 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4432 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4433 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4434 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4435 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4436 df_reorganize_refs, df_set_state, df_hard_reg_init,
4437 df_read_modify_subreg_p) New public functions.
4438 * df-core.c: The core dataflow solver and glue routines for rtl
4440 (df_init, df_add_problem, df_set_blocks, df_finish,
4441 df_hybrid_search_forward, df_hybrid_search_backward,
4442 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4443 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4444 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4445 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4446 df_reg_defined, df_find_use, df_reg_used, df_dump,
4447 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4448 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4449 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4450 debug_df_useno, reset_df_after_reload): New functions.
4451 * df-scan.c: The scanning fuctions, once in df.c, completely
4452 rewritten so that they now fully model the functionality of
4453 register usage at the backend.
4454 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4455 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4456 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4457 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4458 df_get_artificial_defs, df_get_artificial_uses,
4459 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4460 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4461 df_refs_delete, df_reorganize_refs, df_set_state,
4462 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4463 df_def_record_1, df_defs_record, df_uses_record,
4464 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4465 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4466 df_record_exit_block_uses, df_hard_reg_init): New functions.
4468 * df-problems.c: Seven concrete dataflow problems that use the
4469 scanning in df-scan.c and are solved by the engine in df-core.c.
4470 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4471 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4472 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4473 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4474 df_ru_free_bb_info, df_ru_alloc,
4475 df_ru_bb_local_compute_process_def,
4476 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4477 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4478 df_ru_transfer_function, df_ru_free, df_ru_dump,
4479 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4480 df_rd_free_bb_info, df_rd_alloc,
4481 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4482 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4483 df_rd_transfer_function, df_rd_free, df_rd_dump,
4484 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4485 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4486 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4487 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4488 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4489 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4490 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4491 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4492 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4493 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4494 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4495 df_urec_mark_reg_use_for_earlyclobber,
4496 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4497 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4498 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4499 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4500 df_chain_create_bb_process_use, df_chain_create_bb,
4501 df_chain_finalize, df_chain_free, df_chains_dump,
4502 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4503 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4504 df_reg_lifetime): New functions.
4505 * df.c: Deleted file.
4506 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4507 consistent with new df api.
4508 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4509 rest_of_handle_sms): Ditto.
4510 * web.c (unionfind_union, union_defs, entry_register, web_main):
4512 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4513 invariant_expr_equal_p, find_defs, check_dependencies,
4514 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4515 free_inv_motion_data, move_loop_invariants): Ditto.
4516 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4517 Update dependencies.
4518 (odf.c): Added defective entry that was deleted later in day.
4519 * sched-deps.c (sched_analyze_1): Ditto.
4521 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4523 * tree-ssa-operands.c (get_expr_operands): Record addressable
4524 variables directly. Do not call add_stmt_operands for CONST_DECLs
4526 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4527 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4529 2006-01-11 Ben Elliston <bje@au.ibm.com>
4531 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4532 function returns true in the positive case.
4534 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4537 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4538 for SI, DI, SF and DF modes. Add alternatives to copy between
4539 general and floating point registers to the 32-bit patterns.
4540 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4541 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4542 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4543 generating 64-bit code.
4544 * config/pa/pa.c (output_move_double): Handle copies between general
4545 and floating registers.
4547 2006-01-10 Stuart Hastings <stuart@apple.com>
4549 * config/i386/i386.md (set_got): Update.
4550 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4551 (builtin_setjmp_receiver): Mach-O support.
4552 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4553 (GOT_SYMBOL_NAME): Define.
4554 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4555 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4556 * config/i386/i386.c (override_options): Revise for Darwin.
4557 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4558 support. (darwin_x86_file_end): New. (output_set_got): Add label
4559 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4560 * config/i386/i386-protos.h (output_set_got): Likewise.
4561 * config/darwin.c (machopic_legitimize_pic_address): Update
4564 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4566 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4567 when MODE isn't BLKmode.
4569 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4571 PR rtl-optimization/25367
4572 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4574 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4577 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4578 for a negative bound.
4580 2006-01-10 Richard Guenther <rguenther@suse.de>
4582 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4583 Never override with anything constraint.
4585 2006-01-10 Jan Beulich <jbeulich@novell.com>
4587 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4588 256 bits when optimize_size.
4590 2006-01-10 Jan Beulich <jbeulich@novell.com>
4592 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4594 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4595 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4598 2006-01-10 Ben Elliston <bje@au.ibm.com>
4600 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4602 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4603 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4604 (USE_FP_FOR_ARG): Reject decimal float modes.
4605 (function_arg_advance): Likewise.
4606 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4607 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4608 point types in AltiVec vectors.
4609 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4610 (rs6000_libcall_value): Likewise.
4612 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4614 * config/xtensa/ieee754-df.S: New file.
4615 * config/xtensa/ieee754-sf.S: New file.
4616 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4617 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4618 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4620 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4622 * config/sh/predicates.md (binary_float_operator,
4623 binary_logical_operator, commutative_float_operator,
4624 equality_comparison_operator, greater_comparison_operator,
4625 less_comparison_operator, logical_operator,
4626 noncommutative_float_operator, shift_operator,
4627 symbol_ref_operand, unary_float_operator): Remove redundant
4630 2006-01-09 Jeff Law <law@redhat.com>
4632 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4633 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4634 now unused arguments. Callers updated.
4635 (eliminate_redundant_computations): Remove now unused arguments,
4637 (local_fold): Remove, no longer used.
4638 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4640 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4641 (simplify_cond): New function.
4642 (forward_propagate_into_cond): Call simplify_cond.
4644 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4646 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4647 (*vec_extractv2di_1_sse): New.
4649 2006-01-09 Ben Elliston <bje@au.ibm.com>
4651 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4653 2006-01-08 Richard Guenther <rguenther@suse.de>
4655 * tree-ssa-structalias.c (get_constraint_for): Remove
4657 (get_constraint_for_component_ref): Likewise.
4658 (do_deref): Likewise.
4659 (get_constraint_for): Likewise.
4660 (do_structure_copy): Likewise.
4661 (handle_ptr_arith): Likewise.
4662 (find_func_aliases): Likewise. Remove unused need_anyoffset
4665 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4666 Kaz Kojima <kkojima@gcc.gnu.org>
4668 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4669 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4670 (EXTRA_CONSTRAINT_C16): Remove.
4671 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4672 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4673 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4674 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4675 constants of SHmedia. Handle nested constant expressions of
4677 (andcosts): Fix the costs for SHmedia constants.
4678 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4679 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4680 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4681 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4682 (movv4hi_i, movv2si_i): Likewise.
4683 (movsi_const): Adjust the second operand of ior so to match with
4685 (movdi_const, movdi_const_32bit): Likewise.
4686 (movdi_const_16bit+1): Don't sign-extend LOW.
4687 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4689 (*double_shori): Fix the split condition. Use GEN_INT instead
4690 of get_int_mode calls. Mask lower 16-bit of the argument of
4692 (sym2GOTPLT): Remove.
4693 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4695 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4696 instead of EXTRA_CONSTRAINT_C16.
4698 2006-01-07 Ian Lance Taylor <ian@airs.com>
4699 David Edelsohn <edelsohn@gnu.org>
4701 PR rtl-optimization/25662
4702 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4703 for constant operands instead of simplify_gen_binary.
4704 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4705 after trying simplify_binary_operation
4707 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4709 * tree.c (iterative_hash_expr): Hash decls based on UID.
4711 2006-01-06 Eric Christopher <echristo@apple.com>
4713 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4714 (TARGET_UNWIND_EMIT): Fix spelling.
4715 * target.h (gcc_target): Add except_table_label.
4716 * except.c (output_function_exception_table): Use.
4717 * varasm.c (default_emit_except_table_label): New.
4718 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4720 (asm_out): Add here.
4721 * output.h (default_emit_except_table_label): Prototype.
4722 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4723 * config/darwin.c (darwin_emit_except_table_label): Define.
4724 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4726 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4728 PR tree-optimization/18527
4729 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4730 number_of_iterations_special, number_of_iterations_exit):
4731 Move base and step of an iv to a single structure. Add
4732 no_overflow flag, and use it in # of iterations analysis.
4733 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4734 folded_casts argument.
4735 (simple_iv): Pass base and step in a structure. Set no_overflow
4737 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4738 Evaluate expensiveness of computing # of iterations instead of
4739 the final expression.
4740 * tree-scalar-evolution.h (affine_iv): New structure.
4741 (simple_iv): Declaration changed.
4742 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4743 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4744 find_givs_in_stmt): Changed due to simple_iv change.
4746 2006-01-06 Jeff Law <law@redhat.com>
4749 * tree-cfg.c (bsi_replace): Rename final argument from
4750 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4751 change (stmt -> orig_stmt).
4752 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4753 (bsi_remove): Add new argument. Remove EH information
4755 (verify_eh_throw_table_statements): New function.
4756 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4758 * tree-optimize.c (execute_free_cfg_annotations): Verify
4759 the EH throw statement table after removing annotations.
4760 * except.h (verify_eh_throw_table_statements): Prototype.
4761 * tree-flow.h (bsi_remove): Update prototype.
4762 * tree-vrp.c (remove_range_assertions): Add new argument to
4764 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4765 * tree-complex.c (expand_complex_div_wide): Likewise.
4766 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4767 * tree-tailcall.c (eliminate_tailcall): Likewise.
4768 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4769 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4770 * tree-nrv.c (tree_nrv): Likewise.
4771 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4772 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4773 (combine_blocks): Likewise.
4774 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4775 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4776 (cleanup_control_flow): Likewise.
4777 (remove_forwarder_block): Likewise.
4778 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4779 * tree-sra.c (sra_replace): Likewise.
4780 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4781 (forward_propagate_single_use_vars): Likewise.
4782 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4783 * tree-inline.c (expand_call_inline): Likewise.
4784 * tree-vect-transform.c (vect_transform_loop): Likewise.
4785 * tree-outof-ssa.c (rewrite_trees): Likewise.
4786 * tree-cfg.c (make_goto_expr_edges): Likewise.
4787 (cleanup_dead_labels): Likewise.
4788 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4789 (bsi_move_before, bsi_move_after): Likewise.
4790 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4791 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4793 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4796 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4798 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4799 on non gimple variables. Also add checks at the top for decls and
4801 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4803 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4804 and IMAGPART_EXPR for creating MUST_DEFs.
4805 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4806 and NAME_MEMORY_TAG separately from the DECLs.
4808 2006-01-06 Richard Guenther <rguenther@suse.de>
4810 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4811 annotation, if necessary.
4812 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4813 redundant calls to update_stmt.
4814 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4817 2006-01-05 Richard Henderson <rth@redhat.com>
4819 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4821 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4823 * c-typeck.c: Update copyright date.
4825 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4827 * c-typeck.c (build_c_cast): Always warn when casting
4828 from a pointer to an integer of different size, even if
4829 the node was constant.
4831 2006-01-05 Richard Guenther <rguenther@suse.de>
4833 PR tree-optimization/22555
4834 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4835 if one structure field is an array.
4836 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4837 operands even if we found a subvar, but ignore VOPs in this
4839 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4841 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4843 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4846 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4848 2006-01-05 Richard Guenther <rguenther@suse.de>
4849 Diego Novillo <dnovillo@redhat.com>
4851 * tree-pass.h (TODO_remove_unused_locals): Define.
4852 * gimple-low.c (expand_var_p, remove_useless_vars,
4853 pass_remove_useless_vars): Remove. Update all users.
4854 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4855 (remove_unused_locals): New function.
4856 * tree-flow.h (remove_unused_locals): Declare.
4857 * passes.c (execute_todo): Call remove_unused_locals if
4858 TODO_remove_unused_locals is set.
4859 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4860 * tree-ssa-dce.c (pass_dce): Likewise.
4861 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4863 2006-01-05 Richard Guenther <rguenther@suse.de>
4865 * tree-flow.h (struct fieldoff): Decompose field to
4866 type, size and decl.
4867 * tree-ssa-alias.c (create_sft): Take type as parameter.
4868 (create_overlap_variables_for): Store type, size and decl
4869 in the fieldoff structure.
4870 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4872 (push_fields_onto_fieldstack): Likewise.
4873 (create_variable_info_for): Likewise. Use offset for the
4874 SFT name if the decl is not available.
4876 2006-01-04 Paul Brook <paul@codesourcery.com>
4878 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4880 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4882 * lambda-code.c (can_put_in_inner_loop): Relax
4884 (can_put_after_inner_loop): New function.
4885 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4886 (perfect_nestify): Change to make copies and modify uses.
4888 2006-01-04 Richard Henderson <rth@redhat.com>
4890 Merge from gomp branch:
4891 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4892 via integer constant.
4893 (pragma_lex): Remove.
4894 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4895 rather than parsing it.
4896 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4897 handle_pragma_extern_prefix): Add %< %> quotes.
4898 (registered_pragmas): New.
4899 (c_register_pragma_1): New.
4900 (c_register_pragma): Use it.
4901 (c_register_pragma_with_expansion): Likewise.
4902 (c_invoke_pragma_handler): New.
4903 (init_pragma): Use cpp_register_deferred_pragma directly for
4905 * c-pragma.h (enum pragma_kind): New.
4906 (pragma_handler): New.
4907 (c_invoke_pragma_handler): Declare.
4908 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4910 * c-common.h (c_common_pch_pragma): Update decl.
4911 * Makefile.in (c-parser.o): Update dependencies.
4912 (GTFILES): Add c-pragma.h.
4913 * c-parser.c (struct c_token): Add pragma_kind.
4914 (struct c_parser): Add in_pragma.
4915 (c_lex_one_token): Always initialize keyword and pragma_kind.
4916 Extract data for CPP_PRAGMA.
4917 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4918 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4919 Don't allow CPP_PRAGMA_EOL if in_pragma.
4920 (c_parser_consume_pragma): New.
4921 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4922 (c_parser_skip_to_end_of_parameter): Likewise.
4923 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4924 (c_parser_skip_to_pragma_eol): New.
4925 (c_parser_external_declaration): Handle CPP_PRAGMA.
4926 (c_parser_compound_statement_nostart): Likewise.
4927 (c_parser_statement_after_labels): Likewise.
4928 (c_parser_pragma): New.
4929 (pragma_lex): Likewise.
4930 (c_parser_pragma_pch_preprocess): New.
4931 (c_parser_new): Merge into ...
4932 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4934 2006-01-04 Jeff Law <law@redhat.com>
4937 * tree-cfg.c (bsi_replace): Remove the original statement
4938 from the EH throw statement table.
4940 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4942 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4943 make the prototype extern "C" and add throw ().
4946 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4947 and pos non-negative and pos + len <= 32.
4948 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4949 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4950 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4953 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4954 as well as sizes not multiple of component size.
4957 * function.c (instantiate_expr): New function.
4958 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4959 walk its DECL_VALUE_EXPR with instantiate_expr.
4961 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4962 DW_OP_deref{,_size} if address isn't going to be added.
4964 2006-01-04 Ben Elliston <bje@au.ibm.com>
4966 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4967 * config/fp-bit.c: Likewise.
4969 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4971 * dominance.c: Add comment about why we use DFS numbering
4974 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4975 Richard Henderson <rth@redhat.com>
4977 Merge from gomp-branch:
4978 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4979 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4981 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4983 PR rtl-optimization/25578
4984 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4985 pass a parameter to simplify_shift_const if changing ASHIFTRT
4988 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4990 * builtins.c (get_builtin_sync_mem): New function.
4991 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4992 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4993 Call get_builtin_sync_mem to generate mem rtx.
4995 2006-01-03 Richard Guenther <rguenther@suse.de>
4998 * stmt.c (add_case_node): Make sure to clear overflow flags
5001 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5003 Merge from gomp-branch.
5004 * config/sparc/sync.md: New file.
5005 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5006 UNSPECV_LDSTUB): New constants.
5007 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5008 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5009 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5012 2006-01-03 Roger Sayle <roger@eyesopen.com>
5014 * combine.c (reg_subword_p): New predicate to test whether the
5015 destination of a set refers to a subword/piece of a register.
5016 (try_combine): Generalize the code to merge the setting of a
5017 pseudo to a constant followed by a set of a subword of that
5018 register to a constant.
5020 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5022 * basic-block.h (control_flow_graph): Change the type of
5023 x_label_to_block_map to VEC(basic_block,gc) *.
5024 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5025 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5027 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5028 VEC(basic_block,heap) *.
5029 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5030 ssa_prop_fini): Adjust the uses of cfg_blocks.
5032 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5034 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5036 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5037 hashing trees instead of a pointer hash.
5038 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5039 compare for MEM_EXPR.
5041 PR rtl-optimization/25130
5042 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5043 when comparing MEMs for GCSE
5045 2006-01-03 Ben Elliston <bje@au.ibm.com>
5047 * targhooks.h (default_decimal_float_supported_p): Declare.
5048 * targhooks.c (default_decimal_float_supported_p): Define.
5049 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5050 `default_decimal_float_supported_p'.
5051 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5053 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5055 * combine.c (apply_distributive_law <SUBREG>): Check
5056 TRULY_NOOP_TRUNCATION.
5058 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5060 * dwarf2out.c (have_switched_text_section): Delete.
5061 (have_multiple_function_sections): New.
5062 (have_location_lists): Make 'bool'.
5063 (add_AT_loc_list): Use 'true' not '1'.
5064 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5065 (output_loc_list): Use have_multiple_function_sections.
5066 (output_ranges): Likewise.
5067 (dwarf2out_begin_function): Set have_multiple_function_sections if
5069 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5070 Check function_section rather than DECL_SECTION_NAME.
5071 (dwarf2out_finish): Use have_multiple_function_sections.
5072 Don't clear have_location_lists.
5074 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5075 Jan Hubicka <jh@suse.cz>
5077 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5078 case of conditional jump jumping to the next instruction.
5079 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5080 cases of conditional jump jumping to the next instruction.
5082 2006-01-02 Jan Hubicka <jh@suse.cz>
5084 * i386.c (*_cost): Add COSTS_N_INSNS.
5085 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5087 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5090 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5092 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5094 * config/arm/arm.c (all_fpus): Fix comment typo.
5095 * config/darwin.c: Likewise.
5096 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5097 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5098 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5100 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5102 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5103 (rs6000_split_compare_and_swapqhi): New.
5104 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5105 (sync_compare_and_swapqhi_internal): New.
5106 * config/rs6000/rs6000-protos.h: Declare.